НОВЫЕ КОМПОЗИЦИИ ДЛЯ ГОРЬКИХ ВЕЩЕСТВ

Резиновая смесь на основе бутадиеннитрильного каучука

Способ вулканизации резиновых смесей на основе винилпиридиновых каучуков

Improvements in thermoplastic compositions

A composition comprises from 2 to 20 parts of a rubbery copolymer of 40-80 per cent conjugated diolefin and 16-20 per cent of a monovinyl pyridine with 98-80 parts of a vinyl chloride polymer. Specified conjugated diolefins are butadiene, isoprene and piperylene, specified monovinyl pyridines are 2,- 3- or 4-vinyl pyridine, 2-methyl-5-vinyl- or 2-methyl-6-vinyl- or 2-ethyl-4-vinyl or 5-ethyl-2-vinyl pyridine, and specified vinyl chloride polymers are polyvinyl chloride or copolymers containing vinyl acetate or vinylidene chloride. The compositions may be used in the fabrication of textile machinery, containers, pipes, electrical parts, tote boxes, automobile parts, roller-skate wheels, protective equipment, armour, washing-machine parts and numerous other articles of which details are given.

Polypropylene compositions

The dye affinity and stability of fibres based on polypropylene is improved by blending polypropylene with a modifier which is a polymer of an acrylamide of formula: wherein R is H or alkyl, and R1 and R2 are H, alkyl, cycloalkyl, aralkyl or aryl, provided that R1 and R2 are not both H. The acrylamide may be a homopolymer, or a copolymer with another said acrylamide or with a different ethylenically unsaturated monomer. Lists of suitable acrylamides and monomers for preparing modifiers are given and of these the polymers preferred are those derived from N,N-dimethyl acrylamide, N - isopropylmethacrylamide, N - propylacrylamide, N-benzylacrylamide, N-octadecylacrylamide, N-cyclohexylacrylamide, N-methylmethacrylamide, styrene, acrylonitrile, vinyl chloride and vinylidine chloride. The blended compositions may be formed into fibres, yarn, knit tubes, socks and may be woven into blankets or used in the production of car seat covers and marine hawsers. Spinning and dyeing ...

Isopropenylpyridine polymers

Homopolymers of isopropenylpyridine of softening point between 100 DEG and 240 DEG C., are made by polymerizing an isopropenylpyridine, preferably the 2- or 4-substituted pyridene in the presence of a compound selected from Group I to III of the Mendel<\>eeff Periodic Table. The compound may be magnesium diethyl amide bromide, phenyl magnesium bromide, n-butyl lithium, beryllium diethyl, magnesium diethyl, N-carbazyl lithium, beryllium-bis-(dimethylamide), magnesium phenylmethylamide bromide, aluminium-tris-(dimethylamide), lithium aluminium hydride, or complexes of the type LiAl[N(C6H5)2]3H, and which may be prepared in accordance with Specification 912,404. The polymerization may be effected in bulk, or in the presence of a solvent such as an aliphatic or aromatic hydrocarbon. The polymers may be purified by treatment with dilute acids. The polymers are insoluble in aliphatic hydrocarbons and in boiling ethyl or isopropyl ether. The polymers alone, or in admixture ...

PREVENTION OF UNDESIRED ADSORPTION ON SURFACES

Method of manufacturing synthetic fibres of polyvinyl alcohol

Polyvinyl alcohol filaments are made by dry-or wet-spinning a spinning solution comprising a polymerized emulsion obtained by copolymerizing in water a hydrophilic vinyl monomer containing quaternary nitrogen with a monomer which forms a water-insoluble polymer, mixed with and dispersed in an aqueous solution of polyvinyl alcohol, the spinning solution containing 0,5-50% of polymer emulsion, by weight, based on the weight of the polyvinyl alcohol, and the resulting filament containing 0,1-2% of its dry weight of nitrogen. Specified vinyl monomers containing quaternary nitrogen include 4-vinyl-pyridinium methyl chloride, 4-vinyl-pyridinium benzyl chloride, 2-vinyl-pyridinium ethyl chloride, 3-vinyl-pyridinium methyl iodide, 4-vinyl-pyridine betaine, 2-methyl-5-vinyl-pyridinium ethyl bromide, 5-ethyl-2-vinyl-pyridinium butyl bromide, 2-methyl-5-vinyl-pyridinium dodecylbromide, 2-methyl-5-vinyl-pyridinium benzyl chloride, p 2-methyl-5-vinyl-pyridinium methyl-methyl sulphate, di(2-methyl-5- ...

Polymer mixture with improved color affinity

Salt sensitive aqueous emulsions

THIN FILM COATING LAYER COMPOSITION AND COATING METHOD

Provided is a coating layer composition used for coating a polyester fibre thin film, a polyimide thin film, a polyvinyl chloride thin film, a semi-embossed thin film and a polyvinyl chloride thin film analogue, said composition comprising: poly(4-vinylpyridine), SU-8, and a solvent such as isopropyl alcohol or 1,4-dioxane. Also provided is a solution-based coating method, said method rapidly performing surface modification on various types of materials, fixing transition metal ions by providing a sufficient amount of pyridine ligands, forming an adhesion promoting layer located between a substrate and a deposited metal, and thereby catalysing chemically plated copper and other metals for surface metallisation.

Procédé de préparation de compositions comprenant un mélange de polyméres et susceptibles d'être filées en fournissant des fibres ayant une aptitude remarquable à la teinture

Verfahren zur Herstellung festhaftender Verbindungen zwischen Kautschuk und Metallen

Mit sauren Farbstoffen färbbare Vinylfaser und Verfahren zu deren Herstellung

Verfahren zur Herstellung festhaftender Verbindungen zwischen Kautschuk und Metallen

Verfahren zur Herstellung von Isopropenylpyridinpolymerisaten

Stabilisierte Polymermasse

Polymermischung mit verbesserter Farbaffinität

Lösung zum Überziehen von Medikamenten

Polymermischung mit guter Farbaffinität

Verfahren zur Herstellung eines Copolymers und Verwendung desselben

Composition polyester réceptive vis-à-vis des colorants

КОЛЛОИДНО-ЖИДКОКРИСТАЛЛИЧЕСКИЙ КОМПОЗИТ ДЛЯ ЭЛЕКТРООПТИЧЕСКИХ УСТРОЙСТВ

Изобретение относится к жидкокристаллическим композитам, предназначенным для работы в электрооптических и фотонных устройствах. Предложенный композитный материал, полученный добавлением к нематическому жидкому кристаллу малых частиц полимера поли(2-метил-5-винилпиридин) и стабилизатора гептилоксибензойной кислоты с мезогенным свойством, обладает высокой стабильностью структуры и улучшенными электрооптическими параметрами.

КОЛЛОИДНО-ЖИДКОКРИСТАЛЛИЧЕСКИЙ КОМПОЗИТ ДЛЯ ЭЛЕКТРООПТИЧЕСКИХ УСТРОЙСТВ

Изобретение относится к жидкокристаллическим композитам, предназначенным для работы в электрооптических и фотонных устройствах. Предложенный композитный материал, полученный добавлением к нематическому жидкому кристаллу малых частиц полимера поли(2-метил-5-винилпиридин) и стабилизатора гептилоксибензойной кислоты с мезогенным свойством, обладает высокой стабильностью структуры и улучшенными электрооптическими параметрами.

КОЛЛОИДНО-ЖИДКОКРИСТАЛЛИЧЕСКИЙ КОМПОЗИТ ДЛЯ ЭЛЕКТРООПТИЧЕСКИХ УСТРОЙСТВ

Изобретение относится к жидкокристаллическим композитам, предназначенным для работы в электрооптических и фотонных устройствах. Предложенный композитный материал, полученный добавлением к нематическому жидкому кристаллу малых частиц полимера поли(2-метил-5-винилпиридин) и стабилизатора гептилоксибензойной кислоты с мезогенным свойством, обладает высокой стабильностью структуры и улучшенными электрооптическими параметрами.

LOW REFLECTION COATING FILM, OPTICAL MEMBER INCLUDING SAME AND MANUFACTURING METHODS THEREOF

Disclosed are a low reflection coating film, an optical member including the same and a manufacturing method thereof. According to an embodiment of the present invention, the low reflection coating film has pores including arrangements of cavitation spheres formed by a second polymer which remains after a first polymer is removed from globular micelles formed as the first polymer forming the back bone of the globular micelles and the second polymer forming side chains hydrogen-bound to the first polymer are self-assembled. COPYRIGHT KIPO 2018 ...

Water cleanable thick film paste composition

A thick film paste composition comprizing: finely divided inorganic particles dispersed in an organic vehicle comprizing: (a) organic solvent; and (b) solid organic polymer; with the proviso that: (I) the polymer is dissolved in the organic vehicle and is 1-5% wt. Of the total paste composition; and (ii) the organic solvent having an evaporation rate at least 2 times slower than water at 30oC and 1 atm; and (iii) the total paste composition is water cleanable.

MULTILAYER HYDROGELS WITH PH-RESPONSIVE SWELLING AND SURFACE WETTABILITY

A novel type of ultrathin cationic hydrogel coatings are provided that have high, quick and reversible swelling/shrinkage transitions and surface wettability in response to pH changes. The poly(4-vinyl pyridine) (PVP) hydrogel films are produced by selective cross-linking of PVP copolymers in layer-by-layer (LbL) films assembled by spin-assisted method. These multilayer hydrogels exhibit drastic and reversible 10-fold swelling when the pH is changed from neutral to acidic. The swelling amplitude of these coatings is controlled by varying cross-link densities within the films. The pH-responsive hydrogels open new prospects for developing "intelligent" materials with sharp stimuli-triggered responses for applications in sensing, transport regulation, and self-cleaning coatings.

NOVEL COMPOSITIONS FOR BITTERANTS

The present invention relates to compositions comprising aversive agent. More specifically, the present invention relates to polymer composite compositions comprising such agents and application thereof.

METHODS FOR SELECTIVE PERMEATION OF SELF-ASSEMBLED BLOCK COPOLYMERS WITH METAL OXIDES, METHODS FOR FORMING METAL OXIDE STRUCTURES, AND SEMICONDUCTOR STRUCTURES INCLUDING SAME

Methods of forming metal oxide structure and methods of forming metal oxide patterns on a substrate using a block copolymer system formulated for self assembly are disclosed. The metal oxide structures and patterns may be used, for example, as a mask for sublithographic patterning during various stages of semiconductor device fabrication. A block copolymer within a trench in the substrate and including at least one soluble block and at least one insoluble block may be annealed to form a self assembled pattern including a plurality of repeating units of the soluble block laterally aligned with the trench and positioned within a matrix of the insoluble block. The self assembled pattern may be exposed to a metal oxide precursor that impregnates the soluble block. The metal oxide precursor may be oxidized to form a metal oxide. The self assembled pattern may be removed to form a pattern of metal oxide lines on the substrate surface.

Water cleanable thick film paste composition

A thick film paste composition comprising: finely divided inorganic particles dispersed in an organic vehicle comprising (a) organic solvent; and (b) solid organic polymer; with the proviso that; (i) the polymer is dissolved in the organic vehicle and is 1-5% wt. of the total paste composition; and (ii) the organic solvent having an evaporation rate at least 2 times slower than water at 30°C and 1 atm; and (iii) the total paste composition is water cleanable.

Пропиточный состав для корда из синтетических и натуральных волокон

Композиция

Verfahren zur Herstellung von gut anfaerbbaren Faeden oder Fasern aus Polyvinylalkohol

Lubricating oil composition

Lubricating compositions comprise a major proportion of a lubricating oil, and minor proportions of (a) a detergent copolymer of a monomer containing heterocyclic nitrogen and a monomer free of heterocyclic nitrogen, and (b) a thiobisphenol of formula where the R's are the same or different C1-8 alkyl groups (including cyclohexyl), and y is an integer from 1-4. Typical additives are (a) copolymers of vinyl pyridines or pyrolidones with acrylates, methacrylates or mixtures thereof; and (b) thio-bis(3-methyl-5-tertbutylphenol) and dithio(3-methyl-5-cyclohexylphenol). The oil may be a natural or synthetic hydrocarbon oil which may be blended with minor proportions of fatty oils, e.g. castor oil and lard oil, and/or synthetic lubricants, e.g. polyisobutylene. Optional additives mentioned include alkyl phenols and bisphenols, phenyl-alpha-naphthylamine, didodecyl sulphide, dibenzyl sulphide, organic phosphates, phosphites and phosphonates (which may contain chlorine), ...

Non-ash mineral lubricating oil compositions

Complexes are described between (A) an acid aryl phosphate, and (B) either an aliphatic polyhydric alcohol or an alcohol of the general formula where each R is alkyl and all the R's together contain 4-20 carbon atoms, R1 and R11 are the same or different alkylene groups, n is 1-4, and m is 0 or 1-8. Specific complexes mentioned are: (1) monocresyl phosphate and pentaerythritol; (2) dicresyl phosphate and pentaerythritol; (3) dicresyl phosphate and nonyl phenoxy ethanol; and (4) dicresyl phosphate and diisobutyl phenoxy (ethoxy)4 ethanol. Specifications 808,665 and 842,010 are referred to.ALSO:A lubricating oil composition comprises a major proportion of a mineral lubricating oil and minor proportions of each of (A) an oil-soluble nitrogen-containing polymeric detergent and (B) an oil-soluble complex of an acid aryl phosphate with either an aliphatic polyhydric alcohol or an alcohol of the general formula where each R is an alkyl radical and all ...

ELECTROLESSLY PLATEABLE POLYMERIC BLENDS

... 1,274,218. Graft polymer compositions. UNIROYAL Inc. 1 May, 1969 [23 Aug., 1968 (2)], No. 55805/71. Divided out of 1,274,217. Heading C3G. A plastics material capable of receiving an electrolessly deposited metal coating comprises a blend of (A) up to 55% by weight of an interpolymer resin of from 0À25-25% vinyl pyridine, 64À5-90% styrene, and 5-35% acrylonitrile (said percentages are based on total weight of polymer), together with (B) not less than 45% of a resinous polymer which is a graft polyblend of (a) styrene and acrylonitrile grafted on to polybutadiene or poly(butadiene-co-styrene) and (b) a oopolymer of styrene and acrylonitrile. A preferred composition contains an interpolymer comprising 4 % vinylpyridine, 64À5 % styrene and 31À5% acrylonitrile, and a graft polyblend comprising an ABS graft polymer (16 : 50 : 34) and a styrene/acrylonitrile copolymer (74 : 26).

Improvements relating to textile fibres and process for obtaining them

A spinning mix comprises a linear polyolefin (such as polypropylene), a polymer of a vinyl pyridine (such as poly-2-vinylpyridine), and an antioxidant for the polyolefin and/or a U.V. light absorbent. Specified antioxidants are phenols, oximes, organic sulphur compounds and condensation products of amines with dihalogen compounds; specified U.V. light absorbents are triazoles and benzophenones. Fibres, multi-filaments and yarns having improved affinity to acid and metallized dyes, may be obtained. Reference has been directed by the Comptroller to Specification 879,198.

POLYMERE ONE COMPOSITIONS FOR DRAINING CLARIFYING DREDGING

SALT-SENSITIVE AQUEOUS EMULSIONS

BLOCKKOPOLYMERE FOR IMPROVED VISCOSITY STABILITY IN CONCENTRATED SOFT DETERGENTS

UV ABSORBER COMBINATION FOR POLYPROPYLENE POLYVINYLPYRIDINE

BLOCK COPOLYMERS FOR IMPROVED VISCOSITY STABILITY IN CONCENTRATED FABRIC SOFTENERS

The invention relates to fabric softening compositions to be used during the rinse cycle of a textile laundering operation to provide fabric softening/static control benefits. Said compositions comprise one or more polymers having a hydrophobic backbone with one or more hydrophilic side chains and are characterized by excellent storage stability and viscosity characteristics especially at elevated temperatures.

POLYMER BASE BLEND COMPOSITIONS CONTAINING DESTRUCTURIZED STARCH

Pd 7022-11-SIL WARNER-LAMBERT COMPANY Morris Plains, USA Polymer base blend compositions containinq destructurized starch A thermoplastic polymer composition comprising a) destructurized starch, and b) at least one polymer selected from the group consisting of polymers which contain tertiary amino groups and/or salts thereof and/or quaternary ammonium groups; said polymer being present in an amount effective to enhance the physical properties of said articles. The composition may contain further conventional additives as well as hydrophobic, substantially water-insoluble polymers.

POLYMER COMPOSITIONS

Polymer compositions comprising a dispersion of at least one polymer A obtained by polymerisation of at least one olefinically unsaturated compound, which polymer contains aliphatic hydrocarbon side chains of at least 10 carbon atoms, in a continuous aqueous phase comprising a surfactant and at least one polymer B which comprises a thixotropic hydrophilic polymer, a process for the preparation of the compositions, and their use as pour point depressants.

Use of pyridine quaternary ammonium salt type alkaline or alkalescent polymer membranous

The invention discloses a quaternary pyridine salt type alkaline or alkalescent polymer membrane, which is used as a membrane material of a direct alcohol fuel cell. The quaternary pyridine salt type alkaline or alkalescent polymer membrane is produced from polymer materials which are subjected to membrane formation, quaternization reaction and alkalization reaction. The polymer materials are polymer materials produced by pyridine quaternization and a blend prepared from the polymer materials and polyvinylidene fluoride, bisphenol A polyethersulfone, polyether-ether-ketone, polyethersulfone, polyethersulfoneketone, poly(phthalazinone ether ketone), poly(phthalazinone ether sulfone) or poly(phthalazinone ether sulfone ketone) and so on which are blended. A direct methanol fuel cell (AMDMFC) adopting the quaternary pyridine salt type alkaline or alkalescent polymer membrane works under alkaline or alkalescent conditions, has the advantages of improving the oxidation reaction rate of methanol ...

Modified polypropylene fibres and method of preparation of these fibres

Process of improvement of the adherence of elastic synthetic substances on the carcass of the tires

MANUFACTORING PROCESS OF RESOLS PHENOLFORMALDEHYDE FOR the TREATMENT Of ELEMENTS OF REINFORCEMENT FOR RUBBERS

A method for improving adherence of elastic synthetic substances on the carcass of the tires

VINYL CHLORIDE RESIN COMPOSITION

PURPOSE: To provide a vinyl chloride resin composition having improved creep resistance while retaining its flexibility, containing vinylpyridine polymer. CONSTITUTION: A vinyl chloride resin composition containing about 1W10 PHR of a vinyl-pyridine polymer having a molecular weight of about 10,000W40,000 and a softening point of about 90W120°C, such as vinylpyridine homopolymer, vinylpyridine-styrene copolymer (pref. styrene content of ≤ 90 wt%), vinylpyridine- butadiene copolymer, (pref. butadiene content of ≤ 40 wt%), vinylpyridine- styrene-butadiene copolymer, etc. COPYRIGHT: (C)1979,JPO&Japio ...

Способ крепления текстильных материалов к резинам

Способ получения асборезиновой смеси

Способ крепления резин к текстильным материалам

Verfahren zur Herstellung von thermoplastischen Massen aus harzartigen Polymeren monovinyl-aromatischer Kohlenwasserstoffe und kautschukartigen Elastomeren

Durch Woll-, Kuepen- oder Azofarbstoffe anfaerbbare Faeden oder Fasern

Adhesive compositions

An adhesive comprises a diene/vinyl pyridine copolymer and from 10-90 per cent of a phenol-aldehyde resole. Dienes specified are butadiene 1 : 3, isoprene, dimethyl butadiene and piperylene and vinyl pyridines specified are alpha and gamma vinyl pyridines and homologues thereof. The resole may be prepared from formaldehyde, paraformaldehyde, hexamethylenetetramine, acetaldehyde, butyraldehyde, chloral or furfural, and phenol, cresols, xylenols, naphthols, diphenylolmethane, diphenylolpropane, chlorophenols, tertiary butyl phenol, tertiary amyl phenol, catechol, resorcinol, phloroglucinol, orcinol, hydroquinone or quebracho extract, and in the presence of the copolymer. Butadiene or isoprene and alpha vinyl pyridine are copolymerized in bulk, solvent or aqueous dispersion, and in the latter sodium or potassium oleate, sodium resinate, formaldehyde/sodium naphthalene-sulphonate product, potassium persulphate, benzoyl peroxide, potassium ferricyanide, sodium bisulphite or hydrosulphite, lauryl ...

India rubber mixture

Antimicrobial polymeric surfaces

Polymeric compositions for dewatering sewage sludges

Temperature-insensitive membrane materials and analyte sensors containing the same

Membranes permeable to an analyte may overlay the active sensing region of a sensor to limit the analyte flux and improve the response linearity of the sensor. Temperature variation of the analyte permeability can be problematic in some instances. Polymeric membrane compositions having limited variation in analyte permeability as a function of temperature may comprise: a polymer backbone comprising one or more side chains that comprise a heterocycle; and an amine-free polyether arm appended, via an alkyl spacer or a hydroxy-functionalized alkyl spacer, to the heterocycle of at least a portion of the one or more side chains.

FRICTION MATERIAL FOR BRAKE LININGS AND THE LIKE

A friction material for brake linings is formed using a polystilbazole resin (3-16% by weight) to provide the matrix for the material. The balance of the material is filler material such as steel wool, metal powders, carbon, ceramic powders, and friction modifiers. The lining is produced by mixing the ingredients and hot pressing the mixture at temperature which promote the flow and cure of the resin, and at pressures which produce a material of suitable density.

FLAME RETARDANTS

A non-halogen containing flame-retardant additive comprising a salt of an inorganic phosphorus-containing acid and a polymeric compound which is a homopolymer or copolymer and comprises a linear backbone formed of at least 10 repeat units and contains a plurality of basic nitrogen functionalities. The additives are suitable for use in polymer materials either alone or in combination with other flame-retardant additives, resulting in an additive having reduced smoke generation, reduced evolution of corrosive gases and improved flame-retarding properties. The flame-retardant additives of the invention are compatible with a variety of thermoplastic and thermoset polymers applicable for wire and cable insulation, heat recoverable items, electrical tape and moulded parts. The additives may also be formulated as a dispersion into coating compositions optionally comprising additional ingredients such as other flame-retardants, fillers, colourants etc. In addition the additives may be employed ...

Method for preparing noble metal/polymer nanometer hybrid particles

The invention discloses a method for preparing noble metal/polymer nanometer hybrid particles, comprising the following steps: (1) preparing nanometer silicon dioxide particles enwrapped by a 4-vinylpyridine layer by taking the nanometer silicon dioxide particles as nucleus; and (2) loading noble metal on the 4-vinylpyridine layer to obtain the noble metal/polymer nanometer hybrid particles by taking the 4-vinylpyridine layer loading the noble metal as a shell layer and taking the nanometer silicon dioxide as the nucleus. For the nanometer particles with the nucleus shell structure by taking the 4-vinylpyridine layer loading the noble metal as the shell layer and taking the nanometer silicon dioxide as the nucleus, both the thickness of the 4-vinylpyridine layer and the grain diameter of the nanometer silicon dioxide can be adjusted, thereby the specific surface of the final noble metal/polymer nanometer hybrid particles is adjustable; and meanwhile, the 4-vinylpyridine is enwrapped on ...

Polymer colloid system for papermaking industry

FRICTION MATERIAL, CANVAS OF BRAKE, AND METHOD FOR MANUFACTURING FRICTION MATERIAL

ELECTROLESSLY PLATABLE POLYMERIC BLENDS

Composition and method for treating hair containing a cationic ampholytic polymer and an anionic benefit agent

The present invention relates to compositions for treating keratin substances, in particular the hair, containing a combination of a cationic ampholytic polymer and an anionic benefit agent as well as to uses thereof. In one embodiment, the composition of the present invention comprises about 0.01 to about 20% by weight of a cationic ampholytic polymer; and about 0.01 to about 20% by weight of an anionic benefit agent.

Способ крепления текстильных материалов

Faerbbare Polypropylenfasern

Polypropylene Fibres having improved properties and process for Dyeing the same

... 1,183,369. Polypropylene composition fibres. MITSUBISHI RAYON CO. Ltd. 31 May, 1967 [16 June, 1966; 17 June, 1966; 6 July, 1966], No. 25122/67. Heading C3P. [Also in Division D1] Fibres are made of compositions comprising polypropylene and 1 to 30 weight per cent based on the composition of a copolymer of a vinyl pyridine and less than 50 inol per cent of an alkyl acrylate and/or methacrylate having 16 to 20 carbon atoms in the alkyl group. The copolymer may contain units of methyl or ethyl acrylate. The compositions may also comprise non-ionic surface active agents, polyethers, phosphite or thiophosphite esters, dialkyl phenols, and conventional antioxidants, stabilizers and antistatic agents. The fibres have enhanced dyeability. Specified acrylates are cetyl, stearyl and eicosyl acrylates and methacrylates. Specified vinyl pyridines are 2- vinylpyridine, 3 - vinylpyridine, 4 - vinyl - pyridine, 2 - methyl - 5 - vinylpyridine and 2 - ethyl - 5 - vinylpyridine. Many suitable surface-active ...

Flame retardants

A non-halogen containing flame-retardant additive comprises a salt of an inorganic phosphorus-containing acid and a polymeric compound which is a homopolymer or copolymer and comprises a linear backbone formed of at least 10 repeat units and contains a plurality of basic nitrogen functionalities. The additives may be incorporated into polymers, e.g. polyolefin polymers, or may be formulated into coating compositions.

Improving the bond strength of elastic plastics to tyre cord filaments

... 1,146,304. Treating textiles. CHEMISCHE WERKE HULS A.G. 6 May, 1966 [7 May, 1965], No. 20029/66. Heading D1P. The bond strength of cord filaments, e.g. nylon or viscose rayon, to an unsaturated elastomeric copolymer of ethylene or propylene with one or more -olefines and one or more polyenes or to a rubber mixture containing such a copolymer is improved by impregnating the cord filaments with a mixture contaning (a) an aqueous dispersion of a copolymer of ethylene or propylene, one or more -olefines and one or more polyenes having 2.5-20 carbon-carbon double bonds per 1000 carbon atoms, (b) an aqueous dispersion of a homopolymer or vinylpyridine or a substituted vinyl pyridine and (c) an aqueous solution of a rescrcinol formaldehyde resin, the weight ratio of copolymer to polyvinylpyridine being 99.9:0.1 to 60:40, drying them, contacting them with the copolymer or rubber mixture and vulcanising. Monomers used to prepare the copolymers include -butylene, -pentene, hexadiene-1,5, hexadiene ...

POLLUTION-FREE METHOD OF MAKING PHENOL-FORMALDEHYDE RESOLE, RESORCINOL (-FORMALDEHYDE LATEX), VINYL PYRIDINE COPOLYMER TIRECORD DIP AND PRODUCT

NOVEL COMPLEXES FOR THE SEPARATION OF CATIONS

PRIMER COMPOSITIONS FOR GLASS FIBERS AND USES THEREOF

Textile fibres endowed with an affinity improved for the dyes and process to obtain them

Composition of mineral lubricating oil without ashes

New polymeric composition endowed with an affinity improved for the dyes

Method of preparation of medicinal tablets

PRIMER COMPOSITIONS FOR GLASS FIBERS AND USES THEREOF

PREVENTION OF UNDESIRED ADSORPTION ON SURFACES

Prevention and/or reduction of colonisation by micro-organisms of surfaces exposed to aqueous environments. According to the present invention surfaces (13) are contacted with a solution containing a polymer mixture comprising (1) a polymer containing (a) reactive groups (A) capable of bonding with the surface to be treated and (b) hydrophobic groups (B); and (2) a polymer comprising (c) at least one hydrophilic polymeric chain (c) and (d) at least one hydrophobic group (D) in the presence of water. The surfaces which can be treated according to the present invention are very diverse in character. The invention can be used for the treatment of teeth to reduce bacteria colinisation causing tooth decay and in the treatment of ships' hulls, cooling towers and heat exchangers.

DYEABLE POLYESTER COMPOSITION

FINE FIBERS MADE FROM ROOM TEMPERATURE CROSSLINKING

The present disclosure provides a unique method of making a fine fiber that is formed from a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. The present disclosure also provides a unique method of coating a fine fiber with a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. The present disclosure further provides fine fibers wherein the entirety of the fiber is formed from a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. Also provided are filter media and ter substrates including the fine fibers.

НОВЫЕ КОМПОЗИЦИИ ДЛЯ ГОРЬКИХ ВЕЩЕСТВ

Группа изобретений относится к композициям средства, вызывающего отвращение. Композиция содержит по меньшей мере одно вещество, вызывающее отвращение, и по меньшей мере один инертный носитель, причем вещество, вызывающее отвращение, по меньшей мере частично включено в указанный инертный носитель, выбрано из денатониум бензоата, денатониум сахарида и денатониум капсаицината и присутствует в диапазоне масс.% от 0,01 до 80, инертный носитель выбран из высокомолекулярных полиэтиленгликолей, поливинилпирролидина, полимеров винилпиридина, таких как полимер 2-винилпиридина (2-ВП), 3-винилпиридина (3-ВП) и 4-винилпиридина (4-ВП), сшитых полимеров 4-винилпиридина и дивинилбензола, олигомера эпихлоргидрина и 4-винилпиридина, полимеров поливинилпиридин-хлорметилированного полистирола, сшитого полимера 4-винилпиридин-этиленгликольдиметакрилата (EGDMA), нанокомпозитного материала на основе поли(4-винилпиридин-состирола)/FHAP, поли(4-винилпиридин-со-N-аллилтиомочевины) и гидрогеля на основе поли(акриламид-со ...

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Hydrophilic cross-linked polymeric membranes and sorbents

Hydrophilic cross-linked polymeric membranes, when prepared according to the process of the present invention, are unique in character in as much as the steady state permeability of the membrane has been altered by blending and cross-linking polyalkyl amines and polyalcohols. To obtain desired results, the compositions must contain at least 10% polyalkyl amines, with preferred amounts of polyalkyl amines in the composition being in excess of 40%, with over 50% polyalkyl amine concentration by weight being most preferred.

Flame retardants

Improvements in or relating to bonding rubber to metals

A method of bonding rubber to metal comprises using as an adhesive a solution in a solvent of (1) a random or a graft copolymer of a conjugated diene having fewer than 8 carbon atoms or a graft copolymer of natural rubber with (2) a mono-olefinic substituted heterocyclic compound containing carbon atoms and a nitrogen atom in the ring and at least one polymerisable mono-olefinic group in a side chain, the said copolymer being substantially free from reaction products with acids, and from phenolic resins. The solution may also contain polychloroprene and a compound with an active hydrogen atom such as an alcohol.

Polypropylene fibres

A composition suitable for forming fibres of improved dye affinity and stability, comprises polypropylene and a polyvinyl acetal resin, preferably one in which at least 50% of the hydroxyl groups have been reacted with an aldehyde. Of the various aldehydes which may be used in making the polyvinyl acetal, those preferred are formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, valeraldehyde and heptaldehyde. The examples illustrate the dyeing with dispersed dyes of yarns formed from the compositions of the invention. Applications specified are socks, blankets, seat covers and hawsers.

Improvements in or relating to solutions of acrylonitrile polymers

Polyacrylonitrile or a copolymer containing at least 85 per cent of acrylonitrile and up to 15 per cent of another monoethylenically unsaturated compound is dissolved in an aqueous solution containing at least 30 per cent, based on the weight of the solution, but less than a concentration which will dissolve the polymer, of a salt having an anion at least as high in the lyotropic series of solvents for the polymer as its cation (i.e. a solvent salt), and between 5 and 25 per cent of a salt having an anion lower in the above-mentioned lyotropic series than its cation (i.e. a non-solvent salt), the salts being mutually soluble in water, the concentration of salts in the aqueous solution being at least 55 per cent. Copolymerizable monomers specified are allyl alcohol, vinyl acetate, methyl acrylate, acrylamide, methacrylamide, vinyl pyridine, and allylamine. Salts specified are stannic chloride, the chlorides and nitrates of zinc, nickel, cobalt and manganese, and certain metal bromides, iodides ...

Copolymers for treating construction aggregates

The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described.

RESIN COMPOSITION FOR POLYOLEFIN RESIN FOAM, POLYOLEFIN RESIN FOAM AND FOAMED SEALING MATERIAL

The present invention relates to a resin composition for a polyolefin resin foam, including: a polyolefin (A) having a melt flow rate (MFR) at a temperature of 230° C. of 0.2 to 0.7 g/10 min and a melt tension at break measured at a temperature of 190° C. of 30 cN or more; and a polyolefin (B) having a melt flow rate (MFR) at a temperature of 230° C. of 1.5 to 10 g/10 min and a melt tension at break measured at a temperature of 190° C. of 10 cN or more, in which the polyolefin (B) is contained in an amount of from 15 to 75 parts by weight based on 100 parts by weight of the polyolefin (A). 1. A resin composition for a polyolefin resin foam , comprising:a polyolefin (A) having a melt flow rate (MFR) at a temperature of 230° C. of 0.2 to 0.7 g/10 min and a melt tension at break measured at a temperature of 190° C. of 30 cN or more; anda polyolefin (B) having a melt flow rate (MFR) at a temperature of 230° C. of 1.5 to 10 g/10 min and a melt tension at break measured at a temperature of 190° C. of 10 cN or more,wherein the polyolefin (B) is contained in an amount of from 15 to 75 parts by weight based on 100 parts by weight of the polyolefin (A).2. The resin composition for a polyolefin resin foam according to claim 1 , further comprising a component (C) which comprises at least one selected from the group consisting of a rubber and a thermoplastic elastomer and a softener and has a melt flow rate (MFR) at a temperature of 230° C. of 3 to 10 g/10 min and a melt tension at break measured at a temperature of 190° C. of less than 10 cN claim 1 ,wherein the component (C) is contained in an amount of from 30 to 200 parts by weight based on 100 parts by weight of the polyolefin (A).3. A polyolefin resin foam formed by foaming the resin composition for a polyolefin resin foam according to .4. The polyolefin resin foam according to claim 3 , having an apparent density of 0.01 to 0.15 g/cm.5. The polyolefin resin foam according to claim 3 , having an average cell diameter of 10 ...

Filled Polyolefin Compositions

Polyolefin compositions containing nanosize mineral fillers, having an improved balance of processability and mechanical properties comprising from 99.9% to 75% by weight of a polypropylene component A); from 0.1% to 25% by weight of a nanosize mineral filler component B); wherein A) is a polypropylene composition containing a polypropylene fraction A) having a melt flow rate (MFR) value of 100 g/10 min. or more, a polypropylene fraction A) having a melt flow rate (MFR) value of from 0.1 to 30 g/10 min and optionally a compatibilizer Q). 1. Filled polyolefin compositions comprising:A) from 99.9% to 75% by weight of a polypropylene component; andB) from 0.1% to 25% by weight of a nanosize mineral filler;wherein the percentages of A) and B) are referred to the sum of A) and B), and A) is selected from the following compositions:{'sup': I', 'I', 'II', 'II', 'I', 'II', 'I', 'II, 'a) a polypropylene composition containing from 20% to 70% by weight of a polypropylene fraction A) having a melt flow rate (MFR) value of 100 g/10 min. or more, and from 30% to 80% by weight of a polypropylene fraction A) having a melt flow rate (MFR) value of from 0.1 to 30 g/10 min., the said percentages of A) and A) being referred to the sum of A) and A); or'}{'sup': I', 'I', 'II', 'II', 'I', 'II', 'I', 'II, 'b) a polypropylene composition containing from 15% to 60% by weight of a polypropylene fraction A) having a melt flow rate (MFR) value of 100 g/10 min. or more, from 25% to 70% by weight of a polypropylene fraction A) having a melt flow rate (MFR) value of from 0.1 to 30 g/10 min. and from 0.5% to 20% by weight of a compatibilizer Q), the said percentages of A), A) and Q) being referred to the sum of A), A) and Q);'}{'sup': I', 'II, 'sub': 4', '10, 'said fractions A) and A) being independently selected from propylene homopolymers and random copolymers of propylene containing up to 5% by moles of ethylene and/or C-Cα-olefin(s), all the melt flow rate values being measured according to ...

Olefin polymerization catalyst, process for producing olefin polymer, polypropylene resin composition and article comprising the same

An olefin polymerization catalyst is obtained by bringing the following components (A), (B) and (C) into contact with one another: (A) a solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom and a halogen atom; (B) an organoaluminum compound; and (C) a triether represented by formula (I). An olefin polymerization solid catalyst can be provided having a sufficiently high polymerization activity and an ability to produce an olefin polymer with a low content of low-molecular weight components and amorphous components.

HIGH FLOWABILITY LONG CHAIN BRANCHED POLYPROPYLENE

The present invention relates to a polypropylene composition showing a high melt flow rate and high melt strength while maintaining high impact strength. The composition of the present invention is obtainable by using a low molecular weight linear isotactic polypropylene as melt flow enhancer for a high molecular weight polypropylene having a high melt strength and impact strength. The inventive composition could be used for the production of different articles. 1. A polypropylene composition comprising{'sup': '−1', '(A) 70 to 95 wt %, based on the total weight of the polypropylene composition, of a high molecular weight polypropylene component having a strain hardening factor in a range of 3.5 to 15 when measured at a strain rate of 3.0 sand a Hencky strain of 2.5, and'}{'sub': '2', '(B) 5 wt % to 30 wt %, based on the total weight of the polypropylene composition, of a low molecular weight linear isotactic polypropylene component having a MFRin a range of 500 to 5000 g/10 min measured according to ISO 1133 (230° C., 2.16 kg load).'}2. The polypropylene composition according to wherein the polypropylene composition has a MFRof 5.0 to 30 g/10 min measured according to ISO 1133 (230° C. claim 1 , 2.16 kg load).3. The polypropylene composition according to claim 1 , wherein the high molecular weight polypropylene component (A) has an MFR2 of 0.5 to 5.0 g/10 min measured according to ISO 1133 (230° C. claim 1 , 2.16 kg load).4. The polypropylene composition according to claim 1 , wherein the high molecular component (A) has a LAOS non-linearity factor (LAOS-NLF) in a range of 4.0 to 10.5. The polypropylene composition according to claim 1 , wherein the high molecular component (A) has a F30 melt strength as determined in the Rheotens test at 200° C. in a range of 6.0 to 30 cN.6. The polypropylene composition according to claim 1 , wherein the high molecular weight polypropylene component is a homopolymer component.7. The polypropylene composition according to claim 1 , ...

POLYOLEFIN-BASED RESIN COMPOSITION AND PROCESS FOR PRODUCING SAME

Provided is a polyolefin-based resin composition capable of obtaining a molded product having a high modulus of elongation and a low coefficient of linear expansion. The polyolefin-based resin composition includes a polyolefin-based resin, flaked graphite, and either one or both of a compound with a six-membered ring structure and a compound with a five-membered ring structure. The flaked graphite is uniformly dispersed in the polyolefin-based resin. Thus, a molded product formed using the polyolefin-based resin composition has excellent mechanical strength such as a high modulus of elongation, a low coefficient of linear expansion, and high dimensional stability, and can be used for various applications such as a material that is suitable for use as the exterior panels of automobiles or a sheet metal replacement material. 1. A polyolefin-based resin composition , comprising a polyolefin-based resin , flaked graphite , and either one or both of a compound with a six-membered ring structure and a compound with a five-membered ring structure.2. The polyolefin-based resin composition according to claim 1 , wherein the compound with a six-membered ring structure and the compound with a five-membered ring structure each include a conjugated double bond.3. The polyolefin-based resin composition according to claim 1 , wherein the compound with a six-membered ring structure and the compound with a five-membered ring structure are each a polymer containing a styrene component.4. The polyolefin-based resin composition according to claim 3 , wherein a content of the styrene component in the polymer containing the styrene component is 40% by weight or less.5. The polyolefin-based resin composition according to claim 3 , wherein the polymer containing the styrene component is a styrene-olefin copolymer.63. The polyolefin-based resin composition according to claim claim 3 , wherein the polymer containing the styrene component is a styrene-based thermoplastic elastomer.7. The ...

RESIN COMPOSITION FOR INJECTION MOLDING, INJECTION MOLDED FOAM ARTICLE, AND METHOD FOR PRODUCING INJECTION MOLDED FOAM ARTICLE

A resin composition for injection molding comprising (I) 70-90 wt. parts of a propylene polymer resin having a MFR of at least 30 g/10 min. but smaller than 200 g/10 min. as measured at 230° C. according to ASTM D-1238, (II) 5-25 wt. parts of an ethylene-α-olefin copolymer having a melt strength (MS) of larger than 50 mN but not larger than 300 mN as measured at 160° C., and (III) 5-25 wt. parts of an olefin polymer resin having a density of at least 850 kg/mbut not larger than 930 kg/mas measured according to JIS K6760, and a melt strength (MS) of smaller than 30 mN as measured at 160° C., wherein the sum of (I), (II) and (III) is 100 wt. parts. This resin composition gives an injection molded article exhibiting enhanced impact strength at a low temperature and having no or minimized flow marks on the surface thereof. 1. A resin composition for injection molding characterized by comprising:(I) 70 to 90 parts by weight of a propylene polymer resin having a melt flow rate (MFR) of at least 30 g/10 min. but smaller than 200 g/10 min. as measured at a temperature of 230° C. according to ASTM D-1238,{'sub': '160', '(II) 5 to 25 parts by weight of an ethylene-α-olefin copolymer having a melt strength (MS) of larger than 50 mN but not larger than 300 mN as measured at a temperature of 160° C., and'}{'sup': 3', '3, 'sub': '160', '(III) 5 to 25 parts by weight of an olefin polymer resin having a density of at least 850 kg/mbut not larger than 930 kg/mas measured according to JIS K6760, and a melt strength (MS) of smaller than 30 mN as measured at a temperature of 160° C.,'}wherein the sum of the three components (I), (II) and (III) is 100 parts by weight.2. The resin composition for injection molding according to claim 1 , which has a MFR of at least 30 g/10 min. but smaller than 200 g/10 min. as measured at a temperature of 230° C. according to ASTM D-1238.3. The resin composition for injection molding according to claim 1 , which has a melt strength (MS) in the range of 2 ...

HETEROPHASIC POLYPROPYLENE WITH HIGH FLOWABILITY AND ENHANCED MECHANICAL PROPERTIES

The present invention relates to a heterophasic polypropylene resin comprising a crystalline propylene homopolymer matrix (A) and an amorphous propylene copolymer phase (B) dispersed within the matrix having excellent mechanical properties, in particular at low temperatures, and at the same time high flowability. Further, the invention relates to a production process of the heterophasic polypropylene resin, the use of such a resin in a polypropylene composition and to articles made of the heterophasic polypropylene resin. 1. A heterophasic polypropylene resin having an MFRaccording to ISO 1133 at 230° C./2.16 kg of 25 to 95 g/10 min comprising a crystalline polypropylene homopolymer matrix (A) and an amorphous propylene/alpha olefin copolymer phase (B) dispersed within the matrix , wherein the heterophasic polypropylene resin has ‘35 to 75 wt % of a fraction insoluble in p-xylene at 25° C. (XCU) with an intrinsic viscosity of less than 1.1 dl/g, determined according to DIN EN ISO 1628-1 and -3, and', 'a melting point of more than 150° C., and} an intrinsic viscosity of 2.0 to 5.0 dl/g, determined according to DIN EN ISO 1628-1 and -3,', 'a content of ethylene and/or alpha olefin in the range of 40 to 70 wt %, based on the total weight of the XCS fraction, and', 'the absence of a melting point, in a DSC analysis in the range between 0 and 300° C.,', {'sup': '2', 'and the heterophasic polypropylene resin has a Charpy notched impact strength at −20° C. of at least 12.5 kJ/m, determined according to ISO 179-1/1eA,'}], '25 to 65 wt % of a fraction soluble in p-xylene at 25° C. (XCS) with'}2. The heterophasic polypropylene resin according to claim 1 , wherein the XCU fraction has a melt flow rate of at least 200 g/10 min determined according to ISO 1133 at 230° C./2.16 kg.3. The heterophasic polypropylene resin according to claim 1 , wherein the XCS fraction has a weight average molecular weight Mof 250 to 900 kg/mol measured by GPC according to ISO 16014-1 and 4.4. The ...

RESIN FOAM SHEET AND RESIN FOAM MEMBER

Disclosed is a resin foam sheet which has a low apparent density, is thin and flexible, and can be wound satisfactorily stably. The resin foam sheet has an apparent density of 0.02 to 0.30 g/cm, a tensile strength of 0.5 to 3.0 MPa, a thickness of 0.20 to 0.70 mm, a length of 5 m or more, and a width of 300 mm or more and has openings on both sides. The resin foam sheet preferably has a value of 30% or less determined according to following Expression (1): 1. A resin foam sheet having an apparent density of 0.02 to 0.30 g/cm , a tensile strength of 0.5 to 3.0 MPa , a thickness of 0.20 to 0.70 mm , a length of 5 m or more , and a width of 300 mm or more and having openings on both sides thereof.2. The resin foam sheet of claim 1 , wherein the resin foam sheet has a value of 30% or less claim 1 , the value determined according to following Expression (1):{'br': None, '(Thickness tolerance)/(Median thickness)×100\u2003\u2003(1)'}wherein the thickness tolerance is determined by measuring thicknesses at intervals of 10 mm on a measurement line passing through lengthwise one point and extending widthwise from one end to the other, further measuring thicknesses at intervals of 10 mm on another measurement line passing through another point 1 m lengthwise away from the lengthwise one point and extending widthwise from one end to the other, and defining a difference between a maximum and a minimum among all the measured thicknesses as the thickness tolerance; andthe median thickness is defined as a value in the center of all the measured thicknesses arranged in increasing order.3. The resin foam sheet of claim 1 , wherein the openings have been formed by slicing.4. The resin foam sheet of claim 1 , wherein the resin foam sheet has been formed by foaming a resin composition.5. The resin foam sheet of claim 4 , wherein the resin composition has been foamed with a supercritical fluid.6. A resin foam member comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the resin ...

Articles Formed From Polypropylene Prepared with a Single-Site Catalyst and Poly(hydroxyl carboxylic acid) Blends

A resin composition comprising at least 0.1% by weight of poly(hydroxy carboxylic acid) and at least 50% by weight of polypropylene prepared with a single-site catalyst, preferably with a metallocene catalyst. 113-. (canceled)14. An article formed from a resin composition comprising at least 0.1% by weight of poly(hydroxy carboxylic acid) and at least 50% by weight of polypropylene prepared with a single-site metallocene catalyst.15. The article of claim 14 , wherein the article is a thermoformed article claim 14 , a blow molded article claim 14 , an injection stretch blow molded article claim 14 , an injection blow molded article claim 14 , an extrusion blow molded claim 14 , a rotational molded article claim 14 , a foamed article claim 14 , an extruded sheet claim 14 , or a fiber.16. The article of claim 14 , wherein the article is a monolayer article.17. The article of claim 14 , wherein the article is a multilayer article claim 14 , and wherein at least one of the layers comprises the resin composition.18. The article of claim 14 , wherein the article is an injection stretch blow molded article claim 14 , and wherein the resin composition exhibits a melt flow index ranging from 1.5 dg/min to 30 dg/min.19. The article of claim 14 , wherein the article is a blow molded article claim 14 , and wherein the resin composition exhibits a melt flow index ranging from 0.3 dg/min to 3.0 dg/min.20. The article of claim 14 , wherein the article is an extruded sheet claim 14 , and wherein the resin composition exhibits a melt flow index ranging from 2.0 dg/min to 10 dg/min.21. The article of claim 14 , wherein the article is an injection molded article claim 14 , and wherein the resin composition exhibits a melt flow index ranging from 10 dg/min to 100 dg/min.22. The article of claim 14 , wherein the resin composition is free of compatibiliser for compatibilising polypropylene and poly(hydroxy carboxylic acid).23. The article of claim 14 , wherein the polypropylene is ...

PROPYLENE RESIN COMPOSITION AND INJECTION-MOLDED ARTICLE OF SAME

A propylene resin composition contains a specific propylene resin (A), a specific copolymer (B), an inorganic filler (C), a fatty acid amide (D), and carbon black (E), wherein the propylene resin (A) has a content of 52% to 72% by weight, the copolymer (B) has a content of 10% to 20% by weight, and the inorganic filler (C) has a content of 18% to 28% by weight. The total of weights of the propylene resin (A), the copolymer (B) of ethylene and an α-olefin having not less than 4 carbons, and the inorganic filler (C) is taken as 100% by weight. The fatty acid amide (D) is contained at 0.2 to 0.7 parts by weight, and the carbon black (E) is contained at 0.8 to 2.2 parts by weight, relative to 100 parts by weight of the total of the weights of (A), (B) and (C). 1. A propylene resin composition comprisinga propylene resin (A) defined below, a copolymer of ethylene and an α-olefin having not less than 4 carbons (B) defined below, an inorganic filler (C), a fatty acid amide (D), and carbon black (E), whereinthe propylene resin (A) has a content of 52% to 72% by weight, the copolymer (B) has a content of 10% to 20% by weight, and the inorganic filler (C) has a content of 18% to 28% by weight,where the total of the weights of the propylene resin (A), the copolymer (B) of ethylene and an α-olefin having not less than 4 carbons, and the inorganic filler (C) is taken as 100% by weight, andthe fatty acid amide (D) is contained at 0.2 to 0.7 parts by weight, and the carbon black (E) is contained at 0.8 to 2.2 parts by weight, relative to 100 parts by weight of the total of the weights of the propylene resin (A), the copolymer (B), and the inorganic filler (C),propylene resin (A) is a propylene-based polymeric material (A-1) produced by multistage polymerization and comprising a propylene homopolymerized polymer component and a propylene-ethylene randomly copolymerized polymer component having an intrinsic viscosity number of 5 to 7 dl/g, or being a mixture (A-3) comprising a ...

Methods and Apparatus for Forming Blends of Polyolefin and Resin Modifier

A process for preparing a blend of thermoplastic polymer and resin modifier within a single-screw extruder, wherein the resin modifier is a hydrocarbon resin. 1. A process for preparing a blend of thermoplastic polymer and resin modifier , the process comprising the steps of:(i) charging neat thermoplastic polymer to a single-screw extruder;(ii) charging neat resin modifier to the extruder;(iii) conveying the polyolefin and resin modifier through a feed section of the extruder to form a blend, where the feed section has an average channel depth;(iv) conveying the blend through a compression section of the extruder to thereby form a molten blend;(v) mixing the molten blend after said step of conveying the blend through the compression section to thereby impart positive pressure on the molten blend in a downstream direction;(vi) conveying the molten blend through a metering section, where the metering section has an average channel depth; and(vii) extruding the molten blend, wherein the blend or molten blend is subjected to a compression ratio that is at least 1.2, where the compression ratio is the ratio of the feed section average channel depth to the metering section average channel depth.2. The process of claim 1 , where the blend includes a thermoplastic polymer to resin modifier weight ratio of 95:5 to 5:95.3. The process of claim 1 , where said step of extruding includes forming a film.4. The process of claim 1 , where said step of charging neat thermoplastic polymer includes charging thermoplastic polymer pellets comprising at least 95 wt % of the thermoplastic polymer claim 1 , and where said step of charging neat resin modifier includes charging resin pellets comprising at least 95 wt % of the resin modifier.5. The process of claim 1 , where the thermoplastic polymer is a polyolefin selected from the group consisting of polypropylene and polyethylene.6. The process of claim 1 , where the resin modifier is an amorphous hydrocarbon resin.7. The process of ...

POLYOLEFIN COMPOSITION

A polyolefin composition comprising: 1. A polyolefin composition comprising:a) from 66 wt % to 76 wt % of a propylene polymer having the fraction insoluble in xylene at 25° C., higher than 97 wt %, a polydispersity index lower than 4.5, and a melt flow rate (MFR) determined according to ISO method 1133 (230° C. and 2.16 kg) comprised between 6.0 g/10 min and 10.0 g/10 min,b) from 12 wt % to 20 wt % of a copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 40 wt % to 53 wt %, the polymer fraction soluble in xylene at 25° C. having an intrinsic viscosity value ranging from 2 to 4 dl/g;c) from 12% to 20% of ethylene homopolymer;the sum of the amount of a)+b)+c) being 100;said composition having a value of melt flow rate (MFR) determined according to ISO method 1133 (230° C. and 2.16 kg) ranging from 3.6 to 8.0 g/10 min.2. The polyolefin composition according to claim 1 , having the melt flow rate (MFR) determined according to ISO method 1133 (230° C. and 2.16 kg) from 4.1 to 7.0 g/10 min.3. The polyolefin composition of claim 1 , wherein the polydispersity index of component a) ranges from 3.5 to 4.5.4. The polyolefin composition of claim 1 , wherein component a) ranges from 67 wt % to 74 wt %.5. The polyolefin composition of claim 1 , l wherein component b) ranges from 13.5 wt % to 18 wt %.6. The polyolefin composition of claim 1 , wherein component c) ranges from 13 wt % to 16 wt %.7. An injected molded article comprising the polyolefin composition of .8. The injected molded article according to being a battery case.9. The injected molded article of claim 8 , wherein the battery case comprises a lead battery.10. The injected molded article of claim 9 , wherein the battery case has a parallelepiped shape comprising a bottom part and four side parts the internal space being divided in a plurality of cells by one or more spacers.11. The injected molded article of claim 10 , wherein the case contains 6 ...

Polymeric compositions and uses thereof

Provided are thermo-sensitive and light-sensitive polymer compositions including poly(4-vinyl pyridine) and poly(4-vinyl pyridine-co-butyl methacrylate).

MODIFIED PROPYLENE RESIN

It is an object of the present invention to provide a modified propylene resin containing very small amounts of low-crystalline and low-molecular-weight components. The present invention relates to a modified propylene resin characterized by satisfying the following requirements (1) to (4). (1) The melting point (Tm) measured with a differential scanning calorimeter (DSC) is 140° C. or higher. (2) The amount of grafts of ethylenic unsaturated bond-containing monomer after hot xylene washing is 0.1 to 5 percent by weight. (3) The amount of components soluble in o-dichlorobenzene at 70° C. is 1.5 percent by weight or less. (4) The intrinsic viscosity [η] is 0.1 to 4 dl/g. 113-. (canceled)14. A polypropylene based resin composition (S2) comprising 0.1 to 10 percent by weight of modified propylene resin (D) ,3 to 70 percent by weight of filler (F), and20 to 96.9 percent by weight of polypropylene based resin (P),wherein the modified propylene resin (D) is characterized by satisfying the following requirements (1) to (4):(1) The melting point (Tm) measured with a differential scanning calorimeter (DSC) is 145° C. or higher,(2) The amount of grafts of ethylenic unsaturated bond-containing monomer after hot xylene washing is 0.1 to 5 percent by weight,(3) The amount of components soluble in o-dichlorobenzene at 70° C. is 1.5 percent by weight or less, and(4) The intrinsic viscosity [η] is 0.1 to 4 dl/g,andwherein the total of (D), (F), and (P) is 100 percent by weight.15. The polypropylene based resin composition (S2) according to claim 14 , wherein the filler (F) is at least one type of inorganic filler selected from the group consisting of glass fibers claim 14 , carbon fibers claim 14 , talc claim 14 , and magnesium sulfate.16. The polypropylene based resin composition (S2) according to claim 14 , wherein the filler (F) is at least one type of organic filler selected from the group consisting of wood flour and cellulose.17. A formed product comprising the polypropylene ...

CONTROLLED RHEOLOGY FORMULATIONS CONTAINING HIGH MELT STRENGTH POLYPROPYLENE FOR EXTRUSION COATING

A process of extruding a blend of an irradiated first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has a viscosity retention of 20 to 35%. 1. A composition comprising a blend of an irradiated first propylene polymer comprising a non-phenolic stabilizer and a non-irradiated second propylene polymer ,wherein the irradiation of the first propylene polymer was conducted in a reduced oxygen environment, andthe irradiated first propylene polymer and the non-irradiated second propylene polymer were blended at a temperature below the melting point of the first and second propylene polymers,wherein the blend has a viscosity retention of 20 to 35%.2. The composition of wherein the first propylene polymer is selected from:(a) a crystalline propylene homopolymer having a xylene insolubles greater than 80%,{'sub': 4', '10', '4', '10, '(b) a crystalline random copolymer comprising propylene and an olefin selected from the group consisting of ethylene and a C-Cα-olefin, having xylene insolubles greater than 80%, with the proviso that when the α-olefin is ethylene, the crystalline random copolymer comprises a maximum polymerized ethylene content of about 10% by weight, and when the α-olefin is a C-Cα-olefin, the crystalline random copolymer comprises a maximum polymerized α-olefin content of about 20% by weight,'}{'sub': 4', '10', '4', '10, '(c) a crystalline random terpolymer comprising propylene and two olefins selected from the group consisting of ethylene, C-Cα-olefins, and mixtures thereof with the proviso that the crystalline random terpolymer comprises a maximum polymerized C-Cα-olefin content of about 20% by weight, ...

POLYETHER ETHER KETONE COMPOSITE MATERIAL

A polyether ether ketone composite material of the present invention includes PEEK and polyolefin, in which the composite material has a single endothermic peak in a DSC. The PEEK and the polyolefin are preferably to have compatibility with each other, and the composite material may have a matrix part formed from the PEEK and a first dispersed part formed from the polyolefin having a particle size of 1 μm or smaller. The composite material may have a matrix part formed from the PEEK and a second dispersed part dispersed in the matrix part, and the second dispersed part may be formed from the PEEK and the polyolefin, a dispersion PEEK is dispersed in the polyolefin, and the second dispersed part has a particle size of 10 μm or smaller. 1. A polyether ether ketone composite material comprising:polyether ether ketone andpolyolefin,wherein the composite material has a single endothermic peak in a Differential Scanning Calorimetry.2. The polyether ether ketone composite material according to claim 1 ,wherein the polyether ether ketone and the polyolefin have compatibility with each other.3. The polyether ether ketone composite material according to claim 1 , wherein the polyether ether ketone composite material has a matrix part formed from the polyether ether ketone and a first dispersed part dispersed in the matrix part claim 1 ,wherein the first dispersed part is formed from the polyolefin and has a particle size of 1 μm or smaller.4. The polyether ether ketone composite material according to claim 1 , wherein the polyether ether ketone composite material has a matrix part formed from t the polyether ether ketone and a second dispersed part dispersed in the matrix part claim 1 ,wherein the second dispersed part is formed from the polyether ether ketone and the polyolefin, the polyether ether ketone being partially dispersed in the polyolefin, and the second dispersed part has a particle size of 10 μm or smaller. 1. Field of the InventionThe present invention relates ...

POLYPROPYLENE RESIN COMPOSITION

A polypropylene resin composition, including 75-90 wt. % of polypropylene resin as a matrix, 7-15 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (A) having a styrene content of 18-42 wt. %, and 3-10 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (B) having a styrene content of 12-15 wt. %. The polypropylene resin composition has an excellent scratch resistance compatible with impact resistance, and outstanding melt-moldability and is suitable for providing a colored-resin molding compound. 1. A polypropylene resin composition , comprising: 75-90 wt. % of polypropylene resin , 7-15 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (A) having a styrene content of 18-42 wt. % , and 3-10 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (B) having a styrene content of 12-15 wt. % wherein the composition is free from the inorganic filler other than a colorant.2. A polypropylene resin composition according to claim 1 , wherein the hydrogenated styrene-butadiene-styrene copolymer elastomer (A) is dispersed at an average particle size of 50-1500 nm and the hydrogenated styrene-butadiene-styrene copolymer elastomer (B) is dispersed at an average particle size of 10-50 nm claim 1 , in the polypropylene resin as matrix.3. A polypropylene resin composition according to claim 1 , wherein 0.05-0.4 wt. part of an organic nucleus agent is contained per 100 wt. parts of resin components including the polypropylene resin claim 1 , and the hydrogenated styrene-butadiene-styrene copolymer elastomers (A) and (B).4. A polypropylene resin composition according to claim 1 , wherein 0.05-0.4 wt. part of an organic nucleus agent is contained per 100 wt. parts of resin components including the polypropylene resin claim 1 , and the hydrogenated styrene-butadiene-styrene copolymer elastomers (A) and (B).5. A polypropylene resin composition according to claim 1 , further containing a colorant.6. A polypropylene resin ...

THERMOPLASTIC POLYOLEFINS WITH HIGH FLOWABILITY AND EXCELLENT SURFACE QUALITY PRODUCED BY A MULTISTAGE PROCESS

Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ≧200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCHCH)(NRR) wherein Rand Rcan be the same or different a represent a hydro-carbon group having 1 to 12 carbon atoms, as well as the use of these reactor grade thermoplastic polyolefins and molded articles produced from them. 14-. (canceled)5. A catalyst system for the production of reactor grade thermoplastic polyolefins in a multistage polymerization process with at least 3 polymerization steps , said catalyst system comprises(i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and(ii) an organometallic cocatalyst and [{'br': None, 'sub': 2', '3', '3, 'sup': x', 'y, 'Si(OCHCH)(NRR)'}, {'sup': x', 'y, 'wherein Rand Rcan be the same or different a represent a hydrocarbon group having 1 to 12 carbon atoms,'}], '(iii) external donor represented by the formula'}said reactor grade thermoplastic polyolefins have high flowability and excellent surface quality and comprise{'sub': '2', '( ...

POLYPROPYLENE-BASED RESIN COMPOSITION AND MOLDED ARTICLE MADE THEREOF

A polypropylene-based resin composition capable of affording a molded article superior in tensile elongation at break includes a polypropylene resin (A), an ethylene-α-olefin copolymer (B) having a density of 0.865 to 0.890 g/cm, an ethylene-α-olefin copolymer (C) having a density of 0.855 to 0.859 g/cm, and an inorganic filler (D), wherein the content of the polypropylene resin (A) is 49 to 76% by weight, the content of the inorganic filler (D) is 9 to 22% by weight, the sum total of the contents of the ethylene-α-olefin copolymer (B) and the ethylene-α-olefin copolymer (C) is 15 to 29% by weight. The sum total of the contents of (A), (B), (C), and (D) is taken as 100% by weight, and the content of the ethylene-α-olefin copolymer (B), x % by weight, and the content of the ethylene-α-olefin copolymer (C), y % by weight, satisfy the formula: 0.07≦x/(x+y)≦0.41. 1. A polypropylene-based resin composition comprisinga polypropylene resin (A) defined below,an ethylene-α-olefin copolymer (B) defined below,an ethylene-α-olefin copolymer (C) defined below, andan inorganic filler (D),wherein the content of the polypropylene resin (A) is 49 to 76% by weight, the content of the inorganic filler (D) is 9 to 22% by weight, the sum total of the contents of the ethylene-α-olefin copolymer (B) and the ethylene-α-olefin copolymer (C) is 15 to 29% by weight where the sum total of the contents of (A), (B), (C), and (D) is taken as 100% by weight, and {'br': None, 'i': ≦x', 'x+y, '0.07/()≦0.41\u2003\u2003(1)'}, 'where the content of the ethylene-α-olefin copolymer (B) is x % by weight and the content of the ethylene-α-olefin copolymer (C) is y % by weight, x and y satisfy the following formula (1)'}the polypropylene resin (A) is a propylene-based block copolymer (A-1) comprising a propylene polymer portion (I) and a propylene random copolymer portion (II), or a propylene polymer mixture (A-3) comprising said block copolymer (A-1) and a propylene homopolymer (A-2),whereinthe polymer ...

POLYPROPYLENE COMPOSITION

The invention is directed to a polypropylene composition, to a three-dimensional article comprising said polypropylene composition, and to the use of said composition for automotive articles. The polypropylene composition of the invention comprises: 40-90% by total weight of the composition of a polymer blend comprising polypropylene having a melt flow index as measured according to ISO 1133 at 230° C. and 2.16 kg of 2.0-100 g/10 min; 5-25% by total weight of the composition of one or more plastomers; 0.5-25% by total weight of the composition of mineral filler selected from the group consisting of phyllosilicates, mica or wollastonite; and 0.2-4% by total weight of the composition of glass fibres having an average fibre diameter in the range of 5-30 μm. 1. Polypropylene composition comprising:40-90% by total weight of the composition of a polymer blend comprising polypropylene having a melt flow index as measured according to ISO 1133 at 230° C. and 2.16 kg of 2.0-100 g/10 min;5-25% by total weight of the composition of one or more plastomers;0.5-25% by total weight of the composition of mineral filler selected from the group consisting of phyllosilicates, mica or wollastonite; and0.2-4% by total weight of the composition of glass fibres having an average fibre diameter in the range of 5-30 μm.2. Polypropylene composition according to claim 1 , comprising:50-80% by total weight of the composition of the polymer blend;7-20% by total weight of the composition of the one or more plastomers;1-20% by total weight of the composition of the mineral filler; and0.5-3% by total weight of the composition of the glass fibres.3. Polypropylene composition according to claim 1 , comprising:60-75% by total weight of the composition of the polymer blend;10-20% by total weight of the composition of the one or more plastomers;2-15% by total weight of the composition of talc mineral filler; and0.5-2.5% by total weight of the composition of the glass fibres4. Polypropylene composition ...

THERMOPLASTIC POLYOLEFIN COMPOSITIONS USEFUL FOR ODOR REDUCTION

A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition. 3. The composition of or , wherein the (D) scavenger component comprises a ratio of the polyacetoacetate compound having the Formula (I) to calcium carbonate of from 1:0.1 to 1:10.4. The composition of any of the preceding claims , wherein the (B) elastomer component is an ethylene/α-olefin copolymer.5. The composition of any of the preceding claims , wherein the (C) additive component comprises talc and an antioxidant.6. The composition of any of the preceding claims , wherein:{'sub': 'B', 'Ris a C1 alkyl group or a substituted or unsubstituted ether moiety;'}{'sub': 'C', 'Ris a C1 or C2 alkyl group; and'}n is a number from 2 to 20.8. The composition of any of the preceding claims , the composition containing from 0 mg/mto less than or equal to 0.05 mg/mformaldehyde , from 0 mg/mto less than or equal to 1 mg/macetaldehyde , from 0 mg/mto less than or equal to 0.05 mg/macrolein , from 0 mg/mto less than or equal to 0.05 mg/mpropionaldehyde , and from 0 mg/mto less than or equal to 0.05 mg/mcrotonaldehyde , in accordance with the VOC Test Method.9. The composition of any of the preceding claims , wherein the composition has a lower odor grade compared to a composition without the (D) scavenger component , in accordance with the Odor Grade Test.10. The composition of any of the preceding claims , wherein the composition exhibits less than a 10% difference with respect to at least one of (i) to (vi) compared to a composition without the (D) scavenger component:(i) a tensile modulus in MPa, as measured by ISO 527;(ii) a tensile yield strength in MPa, as measured by ISO 527;(iii) a flexural Young's modulus in MPa, as measured by ASTM D790;(iv) ...

PYRIDINIUM MODIFIED COMPOSITE, AND ARTICLE INCLUDING SAME

A composite includes a cross-linked polymer including a pyridinium group and a thermoplastic polymer, and an article that includes the composite. 1. A composite comprising:a cross-linked polymer comprising pyridinium group; anda thermoplastic polymer.2. The composite of claim 1 , wherein the cross-linked polymer comprising the pyridinium group is derived from a compound comprising the pyridinium group and a multi-functional compound comprising at least two curable functional groups.4. The composite of claim 3 , wherein Rof Chemical Formula 1 is a C6 to C30 alkyl group.5. The composite of claim 2 , wherein the multi-functional compound comprising at least two curable functional groups is selected from ethylene glycol di(meth)acrylate claim 2 , propylene glycol di(meth)acrylate claim 2 , polyethylene glycol di(meth)acrylate claim 2 , polypropylene glycol di(meth)acrylate claim 2 , butanediol di(meth)acrylate claim 2 , hexamethylene glycol di(meth)acrylate claim 2 , trimethylolpropane tri(meth)acrylate claim 2 , glycerine tri(meth)acrylate claim 2 , pentaerythritol tetra(meth)acrylate claim 2 , diglycerine hexa(meth)acrylate claim 2 , bisphenol A diglycidyl ether claim 2 , bisphenol F diglycidyl ether claim 2 , hexahydrophthalic acid glycidyl ester claim 2 , diphenylmethane diisocyanate claim 2 , 1 claim 2 ,6-hexamethylene diisocyanate claim 2 , 2 claim 2 ,2 claim 2 ,4-trimethylhexamethylene diisocyanate claim 2 , phenylene diisocyanate claim 2 , 4 claim 2 ,4′-dicyclohexylmethane diisocyanate claim 2 , 3 claim 2 ,3′-dimethyldiphenyl-4 claim 2 ,4′-diisocyanate claim 2 , xylene diisocyanate claim 2 , naphthalene diisocyanate claim 2 , 1 claim 2 ,4-cyclohexyl diisocyanate claim 2 , and a combination thereof.6. The composite of claim 1 , wherein the pyridinium group is included in an amount of about 50 weight percent to about 99.9 weight percent based on a total weight of the cross-linked polymer comprising the pyridinium group.7. The composite of claim 1 , wherein a ...

SCRATCH RESISTANCE POLYPROPYLENE AT HIGH FLOW

Injection molded article comprising at least 60 wt.-% of a heterophasic propylene copolymer, said polymer comprises a matrix being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate and at least one of the three polypropylene fractions has a melt flow rate in the range of 1.0 to 20.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein said heterophasic propylene copolymer has a melt flow rate of equal or more than 20.0 g/10 min and the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g. 1. An injection molded article comprising at least 60 wt.-% of a heterophasic propylene copolymer (HECO) , said heterophasic propylene copolymer (HECO) comprising:{'sub': 2', '2, '(a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) comprises at least three polypropylene fractions (PP1), (PP2) and (PP3), the three polypropylene fractions (PP1), (PP2) and (PP3) differ from each other by the melt flow rate MFR(230° C.) measured according to ISO 1133 and at least one of the three polypropylene fractions (PP1), (PP2) and (PP3) has a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range of 1.0 to 20.0 g/10 min,'}and(b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M),wherein{'sub': '2', '(i) said heterophasic propylene copolymer (HECO) has a melt flow rate MFR(230° C.) measured according to ISO 1133 of equal or more than 20.0 g/10 min, and'}(ii) the amorphous phase (AM) of the xylene cold soluble fraction (XCS) of the heterophasic propylene copolymer (HECO) has an intrinsic viscosity (IV) measured according to ISO 1628-1 (at 135° C. in decaline) of equal or higher than 2.0 dl/g.2. The injection molded article according to claim 1 , wherein the injection molded article(a) is a housing or a pail, ...

Coated Article

An article is provided that includes a blend. The blend includes from at least 5.0% to at most 20.0% by weight of polylactic acid (PLA), based on the total weight of the blend; at least 5.0% to at most 92.0% by weight of polypropylene (PP) or of a mixture of polypropylene (PP) and polyethylene (PE), based on the total weight of the blend; from 0.0% to at most 40.0% by weight of an inorganic filler, based on the total weight of the blend; at least 0.1% to at most 10.0% by weight of a compatibilizer, based on the total weight of the blend; and at least 0.1% to at most 40.0% by weight of an elastomer, based on the total weight of the blend. The elastomer is ethylene octene rubber or ethylene butene monomer rubber. The article is at least partially coated with at least one coating.

LOW DENSITY POLYOLEFIN RESINS WITH HIGH DIMENSIONAL STABILITY

The present disclosure generally relates to low density compositions useful for making automotive components, such as molded parts, as well as other articles of manufacture; such compositions comprise (a) a polyolefin comprising polypropylene, a propylene-ethylene block copolymer, or combinations thereof, wherein the polyolefin blend is present in an amount ranging from about 53 wt. % to about 65 wt. %, based on a total weight of the composition; (b) a first elastomer, a second elastomer, and an impact-modifying compatibilizer, wherein the combined weight percent of components (b) ranges from about 27 wt. % to about 32 wt. %, based on the total weight of the composition; (c) a filler present in an amount ranging from about 5 wt. % to about 12 wt. %, based on the total weight of the composition; and (d) an additive package present in an amount ranging from about 0.5 wt. % to about 5 wt. %. 1. A composition comprising:(a) a polyolefin comprising polypropylene, a propylene-ethylene block copolymer, or combinations thereof, wherein the polyolefin is present in an amount ranging from about 53 wt. % to about 65 wt. %, based on a total weight of the composition;(b) a first elastomer, a second elastomer, and an impact-modifying compatibilizer, wherein the combined weight percent of the first elastomer, the second elastomer, and the impact-modifying compatibilizer ranges from about 25 wt. % to about 34 wt. %, based on the total weight of the composition;(c) a filler present in an amount ranging from about 5 wt. % to about 12 wt. %, based on the total weight of the composition; and(d) an additive package present in an amount ranging from about 0.5 wt. % to about 5 wt. %, based on the total weight of the composition;{'sup': '3', 'wherein the composition has a density ranging from about 0.90 to about 1.00 g/cm, an after-bake-mold-shrinkage (0.5 hours, 120° C.) ranging from about 0.5 percent to about 0.9 percent, a coefficient of linear thermal expansion ranging from about 1 to ...

LASER TRANSPARENT COMPOSITIONS AND METHODS OF LASER WELDING

Laser transparent compositions that may be black in color. The laser transparent compositions may include a matrix material that includes a polypropylene, a dye system that includes one, and optionally two or more, polar organic compounds, a plurality of glass fibers, and a UV stabilizer. Methods of laser welding, which may include irradiating a laser absorbing composition that contacts a laser transparent composition at an interface. 1. A laser transparent composition having a black color , the laser transparent composition comprising:a matrix material comprising a polypropylene;a dye system, wherein the dye system is (i) dispersed in the matrix material, and (ii) present at an amount of about 0.05% to about 0.5%, by weight, based on the weight of the laser transparent composition;a compatibilizer, wherein the compatibilizer is (i) dispersed in the matrix material, and (ii) present at an amount of about 0.1% to about 10%, by weight, based on the weight of the laser transparent composition;a plurality of glass fibers, wherein the plurality of glass fibers is (i) dispersed in the matrix material, and (ii) present at an amount of about 1% to about 40%, by weight, based on the weight of the laser transparent composition; anda UV stabilizer, wherein the UV stabilizer is (i) dispersed in the matrix material, and (ii) present at an amount of about 0.1% to about 2%, by weight, based on the weight of the laser transparent composition;wherein the laser transparent composition has a laser transparency of at least 50%.2. The laser transparent composition of claim 1 , wherein the laser transparent composition has a laser transparency of at least 65%.3. The laser transparent composition of claim 1 , wherein the dye system comprises two or more polar organic compounds.4. The laser transparent composition of claim 3 , wherein the two or more polar organic compounds of the dye system comprise a red dye and a green dye claim 3 , and wherein the red dye and the green dye are present ...

PROPYLENE-BASED COMPOSITIONS OF ENHANCED APPEARANCE AND EXCELLENT MOLD FLOWABILITY

The present disclosure relates to a class of impact copolymer polypropylene (ICP) compositions exhibiting the advantageous combination of excellent tiger (flow) marking performance in large/long molded parts, very low gels count and exceptional mold flowability (high MFR) despite the high viscosity ratio (e.g., >4) between rubber and propylene based matrix phases. Furthermore, it has been surprisingly found that the inventive compositions are associated with a low gels count even when using a quite coarse mesh wire screen, e.g., 60 mesh wire screen, independent of screw type e.g., twin or single screw. Finally, the inventive compositions exhibit significantly reduced the levels of volatiles, and excellent stiffness-impact balance used as standalone materials or in filled compounds. The significantly reduced number of large gels leads to excellent surface appearance and paintability of the molded parts. The composition of the present disclosure is made with a bulk/gas reactor process (i.e., non-slurry/non-solvent process) that has the advantage of process simplicity, process efficiency and simplicity of compositional structure relative to the complexity in structure and process of making of compositions in the prior art. 1. An impact copolymer propylene (ICP) composition comprising:a polypropylene-based matrix of from 75% to 90% by weight of the composition; andan ethylene propylene copolymer rubber (EPR) phase of from 8% to 25% by weight of the composition, wherein the EPR phase comprises from 35% to 45% by weight of ethylene, a xylenes solubles (XS) content of greater than 8 wt % as determined by acetone precipitation, and an intrinsic viscosity (I.V.) of greater than 6.5 dL/g,wherein the ICP composition has a MFR of from 15 to 125 g/10 min and a tan δ of less than 5.0 at 0.1 rad/s (180° C.).2. The composition according to claim 1 , wherein the polypropylene-based matrix has a MFR of greater than 50 g/10 min.3. The composition according to claim 1 , wherein the ...

OLEFIN POLYMERIZATION PROCESS INTHE PRESENCE OF ANTISTATIC COMPOSITION

A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing: 1. A process for the preparation of polyolefins comprising the step of:(i) polymerizing an olefin in the presence of an antistatic composition comprising:(a) from about 0.5 to about 50% by weight, based upon the total weight of the antistatic composition, of a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and{'sup': '2', '(b) from about 50 to about 99.5% by weight, based upon the total weight of the antistatic composition, of an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm/sec (DIN 51562).'}2. The process according to claim 1 , wherein the compound (a) of formula R—OH is water.3. The process according to claim 1 , wherein the compound (a) of formula R—OH is an alcohol selected from the group consisting of methanol claim 1 , ethanol claim 1 , 1-propanol claim 1 , 1-butanol claim 1 , 1-pentanol claim 1 , 1-hexanol claim 1 , 1-heptanol claim 1 , 1-octanol claim 1 , 1-nonanol claim 1 , 1-decanol claim 1 , undecan-1-ol claim 1 , dodecan-1-ol claim 1 , tridecan-1-ol claim 1 , 1-tetradecanol claim 1 , pentadecan-1-ol claim 1 , isobutanol claim 1 , isoamyl alcohol claim 1 , 2-methyl-1-propanol claim 1 , phenethyl alcohol claim 1 , tryptophol claim 1 , isopropanol claim 1 , 2-butanol claim 1 , 2-pentanol claim 1 , 2-hexanol claim 1 , 2-heptanol claim 1 , cyclohexanol claim 1 , tert-butyl alcohol claim 1 , tert-amyl alcohol claim 1 , 2-methyl-2-pentanol claim 1 , 2-methylhexan-2-ol claim 1 , 2-methylheptan-2-ol claim 1 , 3-methyl-3-pentanol claim 1 , and methyloctan-3-ol.4. The process according to claim 1 , wherein the oligomeric or polymeric organic compound (b) has a viscosity at 40° C. in the range of about 260 to about 285 mm/sec (DIN 51562).5. The process according to ...

POLYPROPYLENE COMPOSITION WITH EXCELLENT PAINT ADHESION

The present invention is directed to a polypropylene composition, an article comprising the polypropylene composition as well as the use of the polypropylene composition to enhance paint adhesion of a molded article. 1: Polypropylene composition (C) , the polypropylene composition (C) comprising: [{'sub': '2', '(a1) said heterophasic propylene copolymer (HECO) has a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range of above 1.0 to 20.0 g/10 min;'}, '(a2) the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO) has an intrinsic viscosity determined according to DIN ISO 1628/1 (in decalin at 135° C.) in the range of more than 2.1 to 9.0 dl/g; and', '(a3) the comonomer content of the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO) is in the range of 10.0 to 45.0 wt. %;, '(a) 15.0 to 60.0 wt. %, based on the total weight of the composition (C), of a heterophasic propylene copolymer (HECO),'} (b1) a comonomer content in the range of 1.5 to 8.0 wt. %; and', {'sub': '2', '(b2) a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range of 5.0 to 100.0 g/10 min; and'}], '(b) 10.0 to 45.0 wt. %, based on the total weight of the composition (C), of a propylene copolymer (R-PP) having'}(c) 20.0 to 40.0 wt. %, based on the total weight of the composition (C), of a mineral filler (F) being selected from the group consisting of talcum, wollastonite, caolin and mica.2: The polypropylene composition (C) according to claim 1 , wherein the polypropylene composition (C) has a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range of 3.0 to 45.0 g/10 min.4: The polypropylene composition (C) according to claim 1 , wherein the heterophasic propylene copolymer (HECO) has(a) a comonomer content in the range of 5.0 to 20 wt. %; and/or(b) a xylene cold soluble content (XCS) determined according ISO 16152 (25° C.) of below 45.0 wt. %.6: The polypropylene composition (C) ...

THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED ARTICLE THEREOF

The thermoplastic elastomer composition includes (A) a polypropylene resin, (B) a non-conjugated diene copolymer having a Mooney viscosity (ML, 125° C.) of 40 to 85 and a molecular weight distribution of 1.5 to 3.0 and whose eluted amount at −15° C. measured by cross-fractionation chromatography is 50% to 99.9% of the overall eluted amount, and (C) an ethylene copolymer having a Mooney viscosity (ML, 125° C.) of 20 to 30 and a density of 0.850 g/cmto 0.890 g/cm. The content of (A) is 40% by weight to 70% by weight. The combined content of (B) and (C) is 30% by weight to 60% by weight. The ratio of the content of (B) to the content of (C) is 1.1 to 20. The composition exhibits good dimension stability during its molding process. A molded article superior in tensile strength, low temperature impact resistance, and rigidity can be obtained from the composition. 1. A thermoplastic elastomer composition comprising component (A) defined below , component (B) defined below , and component (C) defined below , wherein the content of the component (A) is 40% by weight to 70% by weight and the combined content of the component (B) and the component (C) is 30% by weight to 60% by weight , where the total of the contents of the components (A) , (B) , and (C) is taken as 100% by weight , and the ratio of the content of the component (B) to the content of the component (C) is 1.1 to 20 ,component (A): a polypropylene resin having a content of monomer units derived from propylene of more than 60% by weight but not more than 100% by weight, where the overall amount of the polypropylene resin is taken as 100% by weight;{'sub': '1+4', 'component (B): a non-conjugated diene copolymer comprising monomer units derived from ethylene, monomer units derived from at least one selected from the group consisting of propylene and α-olefins having 4 or more carbon atoms, and monomer units derived from a non-conjugated diene, wherein the content of the monomer units derived from ethylene is 40% ...

METHOD OF PRODUCING BIOPLASTIC PELLETS USING LIVESTOCK MANURE METHOD OF PRODUCING BIOPLASTIC PELLETS USING LIVESTOCK MANURE

The present disclosure relates to a method of producing bioplastic pellets using livestock manure, the method including steps of: making a first mixture livestock manure, sawdust, a microbial medium and a microbial preparation; (2) making a fermentation product by stirring the first mixture; (3) making an aged product by aging the fermentation product; (4) making a dried product by drying the aged product; (5) making compost powder by crushing the dried product; and (6) mixing the compost powder, synthetic resin, a binder, a dispersing agent and a slip agent together to obtain a second mixture, and cutting the second mixture into pellets during extrusion. The method has an advantage in that it is possible to improve processability by reducing the water content of decomposed livestock manure containing a lot of water and to improve mechanical properties. 1. A method of producing bioplastic pellets using livestock manure , the method comprising steps of:(1) making a first mixture by mixing 60 to 80 wt % of livestock manure, 10 to 20 wt % of sawdust, 5 to 15 wt % of a microbial medium, and 1 to 7 wt % of a microbial preparation;(2) making a fermentation product by stirring the first mixture at 20 to 30° C. for 3 to 4 hours;(3) making an aged product by aging the fermentation product at 20 to 25° C. for 10 to 15 days;(4) making a dried product by drying the aged product at 30 to 35° C. for 22 to 24 hours;(5) making compost powder by crushing the dried product to a size of 100 to 150 mesh; and(6) mixing 55 to 60 wt % of the compost powder, 30 to 35 wt % of synthetic resin, 1 to 5 wt % of a binder, 5 to 10 wt % of a dispersing agent and 0.5 to 1 wt % of a slip agent for 15 to 30 minutes to obtain a second mixture, and cutting the second mixture into pellets during extrusion at 160 to 190° C.,wherein the binder in step (6) comprises 50 to 65 wt % of a styrene-maleic anhydride copolymer, 20 to 35 wt % of polysiloxane, and 10 to 25 wt % of 2-hydroxyethyl methacrylate.2. The ...

FINE FIBERS MADE FROM ROOM TEMPERATURE CROSSLINKING

The present disclosure provides a unique method of making a fine fiber that is formed from a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. The present disclosure also provides a unique method of coating a fine fiber with a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. The present disclosure further provides fine fibers wherein the entirety of the fiber is formed from a composition including an epoxy and a polymer component including a 4-vinyl pyridine-containing polymer. Also provided are filter media and filter substrates including the fine fibers. 120-. (canceled)21. A method of making a filter media comprising a plurality of fine fibers , the method comprising:combining a polymer component, a solvent, and an epoxy to form a composition, the polymer component comprising a 4-vinyl pyridine-containing polymer and the epoxy being at least difunctional, wherein the solvent does not complex with 4-vinyl pyridine;electrospinning the composition to form the plurality of fine fibers such that the entirety of each fiber is prepared from the composition;causing the 4-vinyl pyridine-containing polymer and the epoxy to crosslink in the plurality of fine fibers under conditions having an ambient temperature of no greater than 40° C.; andforming the filter media from the plurality of fine fibers without increasing the temperature of the plurality of fine fibers above 40° C.22. The method of claim 21 , wherein the polymer component claim 21 , the solvent claim 21 , and the epoxy are combined and the plurality of fine fibers are formed without increasing the temperature of the composition above room temperature claim 21 , and wherein the filter media comprising the plurality of fine fibers is formed without increasing the temperature of the plurality of fine fibers above room temperature.23. The method of claim 21 , wherein the combining of the polymer component ...

EMULSIFIED OILS

Emulsions for treating shingles, concrete, metallic substrates, mammalian skins, human hair or agricultural plants are described. The emulsions include soy alkyl and/or aryl ester; water; and a cationic surfactant to form the emulsion. Methods of using the emulsions are also described. Compositions including a modified oil alkyl and/or aryl ester comprising the transesterification reaction product of an oil and a surfactant having a hydroxyl group are described. Methods of using the compositions are also described. Methods of making a modified oil alkyl or aryl ester are described. The methods include transesterifying an oil with a surfactant having a hydroxyl group. 1. A composition comprising:a modified oil alkyl ester, modified oil aryl ester, or combinations thereof, the modified oil alkyl ester soy aryl ester comprising the transesterification reaction product of an oil and a surfactant having a hydroxyl group.2. The composition of wherein the surfactant comprises a cationic surfactant claim 1 , an anionic surfactant claim 1 , or a non-ionic surfactant.3. The composition of wherein the surfactant comprises the cationic surfactant.4. The composition of wherein the cationic surfactant comprises a benzalkonium salt claim 3 , a polyquaternirium compound claim 3 , poly(vinyl pyridine) co-N claim 3 ,N dimethyl ethyl methacrylate claim 3 , or combinations thereof.5. The composition of wherein the surfactant comprises the anionic surfactant.6. The composition of wherein the anionic surfactant comprises sodium dodecyl sulfate claim 5 , sodium lauryl benzene sulfonate claim 5 , poly acrylic acid claim 5 , an anionic sulfate-based surfactant claim 5 , an anionic sulfonate-based surfactant claim 5 , or combinations thereof.7. The composition of wherein the surfactant comprises the non-ionic surfactant.8. The composition of wherein the non-ionic surfactant comprises poly(ethylene oxide-b-propylene oxide) claim 7 , poly(ethylene oxide-b-butylene oxide) claim 7 , a sorbitol ...

RESIN COMPOSITION

A resin composition which overcomes the defects of needle-like basic magnesium sulfate and has good balance among mechanical strength, molding productivity and the appearance of a molded article. 1. A resin composition comprising(i) 100 parts by weight of a resin (component A),(ii) plate-like magnesium hydroxide having a crystal thickness (y) of 0.2 μm or less and an aspect ratio of 20 to 100 (component B) and(iii) needle-like basic magnesium sulfate (component C),whereinthe total content of the components B and C is 1 to 100 parts by weight based on 100 parts by weight of the resin, and the weight ratio of the component B to the component C is 0.1 to 0.9:0.9 to 0.1.2. The resin composition according to claim 1 , wherein the weight ratio of the component B to the component C is 0.2 to 0.6:0.8 to 0.4.3. The resin composition according to claim 1 , wherein the component B has a crystal thickness (y) of 0.2 μm or less and an aspect ratio of 30 or more.4. The resin composition according to claim 1 , wherein the component B has a crystal thickness (y) of 0.1 μm or less and an aspect ratio of 40 or more.5. The resin composition according to claim 1 , wherein the component C has a width (w) of 0.5 to 1 μm claim 1 , a length (L) of 20 to 50 μm and an aspect ratio of 20 or more.6. The resin composition according to claim 1 , wherein the component B and the component C are surface treated with an anionic surfactant. The present invention relates to a resin composition which is excellent in mechanical strength and the appearance of a product. More specifically, it relates to a resin composition which comprises two different magnesium compounds and is excellent in mechanical strength and the appearance of a molded article.In recent years, energy prices have been becoming higher and higher. Therefore, energy saving is a common issue in a wide variety of fields. For example, in the field of automobiles, one of means for improving gas mileage is to reduce the weight of a car body. ...

FIRE RETARDANT SYSTEMS FOR POLYMERS THAT ENABLE FLEXIBILITY AND STRENGTH

The present invention relates to advanced flame/fire retardant compositions for fabric, upholstery, carpet, barrier, automotive, building construction, communication, and consumer electronics applications. The flame retardant composition comprises: about 5-25 wt. % hydrogenated styrenic block copolymer, about 6-40 wt. % polyolefin, about 50-80 wt. % inorganic flame retardant, about 0-5 wt. % coating, about 0-5 wt. % functionalized styrenic block copolymer, about 0-7 wt. % agri-derived heat resistant liquid, about 0.05-1.0 wt. % antioxidant, and about 0-7 wt. % optional additives such as metal deactivator, colorant, filler, and/or lubricants, wherein said composition totals 100 wt. %. An article made from the flame retardant composition, such as film, fiber, cable, and wire insulation meets various European and U.S. standards. The flame retardant compositions possess a good balance of tensile strength, elongation, flame resistance, and processability that has previously been unobtainable. 1. A flame retardant composition comprising:from about 5 to about 18 wt. % of a hydrogenated styrenic block copolymer,from about 6 to about 40 wt. % of a polyolefin,from about 50 to about 80 wt. % of an inorganic flame retardant with at least 10 wt. % thereof being coated inorganic flame retardant, andfrom about 0.05 to about 1.0 wt. % of an antioxidant,wherein said composition totals 100 wt. %.2. The flame retardant composition of claim 1 , wherein said hydrogenated styrenic block copolymer has the formula SEBS or S-EB/S-S claim 1 , formed sequentially or radially claim 1 , or a mixture thereof.3. The flame retardant composition of claim 2 , wherein at least a minor portion of the SEBS or S-EB/S-S is functionalized.4. The flame retardant composition of claim 1 , wherein said polyolefin is polyolefin homo-polymer claim 1 , polyolefin copolymer claim 1 , functionalized polyolefin claim 1 , polyolefin elastomer claim 1 , or a mixture of 2 or more of these.5. The flame retardant ...

IN-SITU REACTOR BLEND OF A ZIEGLER-NATTA CATALYSED, NUCLEATED POLYPROPYLENE AND A METALLOCENE CATALYSED POLYPROPYLENE

Propylene homo- or copolymer composition comprising an in-situ reactor blend of a Ziegler-Natta catalysed, nucleated polypropylene (znPP) and a metallocene catalysed polypropylene (mcPP), in a weight ratio in the range of 6:94 to 50:50 (wt % znPP:wt % mcPP), preferably in the range of 10:90 to 44:56 (wt % znPP:wt % mcPP), having an excellent balance between optical properties, mechanical properties, thermal properties and processing properties; a process for its production and the use of a mixture of a Ziegler-Natta catalyst system and a metallocene catalyst system. 1. Propylene homo- or copolymer composition obtainable in the presence of a catalyst mixture comprising: a Ziegler-Natta catalyst system and a metallocene catalyst system , the composition comprising an in-situ reactor blend of a Ziegler-Natta catalysed , nucleated polypropylene (znPP) and a metallocene catalysed polypropylene (mcPP) , in a weight ratio in the range of 6:94 to 50:50 (wt % znPP:wt % mcPP) said propylene homo- or copolymer composition is endowed with the following features:{'sub': '2', 'a) a MFRaccording to ISO 1133 (230° C., 2.16 kg) in the range of 0.01 to 500 g/10 min,'}b) a comonomer-content (determined with FTIR) in the range of 0.0 to 8.0 wt %,c) xylene cold solubles (XCS) determined at 23° C. according to ISO 6427 of less than 10.0 wt %,{'sup': '13', 'd) in case of propylene homopolymers with isotactic pentads (mmmm) measured by C-NMR higher than 90%,'}{'sub': 'm', 'e) a melting temperature Tmeasured by DSC between 135° C. to 170° C., and'}{'sub': 'c', 'f) a crystallisation temperature Tmeasured by DSC between 100° C. to 135° C., and'}g) in case of propylene copolymers with a randomness measured by FTIR higher than 95%.2. Propylene homo- or copolymer composition according to having:a tensile modulus (E) measured according to ISO 527-2 in the range of 500 to 3000 MPa,{'sup': 2', '2, 'a Charpy notched impact strength (NIS) determined according to ISO 179-1eA:2000 at 23° C. in the ...

RESIN COMPOSITION

A resin composition that has an excellent balance between thermal creep resistance and toughness and from which a molded product with favorable appearance can be obtained is provided. The resin composition includes: 100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin; 1 parts to 20 parts by mass of (C) an admixture; and 0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid, a higher fatty acid metal salt, and a higher fatty acid ester, wherein when the resin composition is dissolved in chloroform, a proportion Xof the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass %. 1. A resin composition comprising:100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin;1 parts to 20 parts by mass of (C) an admixture; and0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid, a higher fatty acid metal salt, and a higher fatty acid ester,{'sub': 'D(B+C)', 'wherein when the resin composition is dissolved in chloroform, a proportion Xof the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass %.'}3. The resin composition according to claim 1 ,wherein a content of the component (A) is 30 parts to 98 parts by mass with respect to 100 parts by mass of the components (A) and (B) in total.4. The resin composition according to claim 1 ,wherein the component (D) is the higher fatty acid metal salt.5. The resin composition according to claim 1 ,wherein the component (C) is one or more selected from the group consisting of a hydrogenated block copolymer, a copolymer having a polystyrene block chain-polyolefin block chain, and a copolymer having a polyphenylene ether block chain-polyolefin block chain. The disclosure relates to a resin composition.Polypropylene-based ...

HETEROPHASIC PROPYLENE COPOLYMER WITH LOW CLTE

A heterophasic propylene copolymer (HECO) comprising a polypropylene matrix having a melt flow rate MFR(230° C.) in the range of 45 to 75 g/10 min for the preparation of molde articles with low CLTE. 1. Heterophasic propylene copolymer (HECO) comprising:{'sub': '2', '(a) a (semi)crystalline polypropylene (PP) having a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range of 42 to 75 g/10 min; and'}(b) an elastomeric propylene copolymer (ESC) dispersed in said (semi)crystalline polypropylene (PP); '(i) a xylene cold soluble (XCS) fraction in the range of 25 to 38 wt. %;', 'wherein said heterophasic propylene copolymer (HECO) has (ii) a comonomer content in the range of 30.0 to 65.0 mol %; and', '(iii) an intrinsic viscosity (IV) in the range of 1.70 to 2.30 dl/g., 'wherein further the xylene cold soluble (XCS) fraction of said heterophasic propylene copolymer (HECO) has2. Heterophasic propylene copolymer (HECO) according to claim 1 , wherein the intrinsic viscosity (IV) of the xylene cold insoluble (XCI) fraction of the heterophasic propylene copolymer (HECO) is in the range of 1.15 to 1.35 dl/g.3. Heterophasic propylene copolymer (HECO) comprising:(a) a (semi)crystalline polypropylene (PP); and(b) an elastomeric propylene copolymer (ESC) dispersed in said (semi)crystalline polypropylene (PP): '(i) a xylene cold soluble (XCS) fraction in the range of 25 to 38 wt. %;', 'wherein said heterophasic propylene copolymer (HECO) has (ii) a comonomer content in the range of 30.0 to 65.0 mol %; and', '(iii) an intrinsic viscosity (IV) in the range of 1.70 to 2.30 dl/g;, 'wherein further the xylene cold soluble (XCS) fraction of said heterophasic propylene copolymer (HECO) has '(iv) the xylene cold insoluble (XCI) fraction of the heterophasic propylene copolymer (HECO) has an intrinsic viscosity (IV) in the range of 1.15 to 1.35 dl/g.', 'and wherein still further;'}4. Heterophasic propylene copolymer (HECO) according to claim 3 , wherein the (semi)crystalline ...

Starch-Thermoplastic Polymer-Grease Compositions and Methods of Making and Using the Same

Starch-thermoplastic polymer-grease compositions comprising intimate admixtures of thermoplastic polymer and grease. Methods of making and using starch-thermoplastic polymer-grease compositions. 1. A starch-thermoplastic polymer-grease composition comprising an intimate admixture of:(a) thermoplastic polymer;(b) starch, comprising thermoplastic starch; and(c) grease.wherein said grease has a droplet size of less than 10 μm within the starch-thermoplastic polymer-grease composition.2. The composition of claim 1 , wherein the droplet size is less than 5 μm.3. The composition of claim 1 , wherein the droplet size is less than 1 μm.4. The composition of claim 1 , wherein the droplet size is less than 500 nm.5. The composition of claim 1 , further comprising an additive claim 1 , wherein said additive is grease soluble or grease dispersible6. The composition of claim 5 , wherein the additive is a perfume claim 5 , dye claim 5 , pigment claim 5 , nanoparticle claim 5 , antistatic agent claim 5 , filler claim 5 , or combination thereof.7. The composition of claim 1 , having a bio-based content greater than 3%.8. The composition of claim 1 , comprising from 5 wt % to 60 wt % grease claim 1 , based upon the total weight of the composition.9. The composition of claim 1 , comprising from 8 wt % to 40 wt % grease claim 1 , based upon the total weight of the composition.10. The composition of claim 1 , comprising from 10 wt % to 30 wt % grease claim 1 , based upon the total weight of the composition11. The composition of claim 1 , wherein said grease comprises a fatty acid selected from the group consisting of lauric claim 1 , myristic claim 1 , palmitic claim 1 , stearic claim 1 , oleic claim 1 , linoleic claim 1 , linolenic claim 1 , and combinations thereof.12. The composition of claim 1 , wherein said grease comprises a metal salt where the claim 1 , metal is selected from the group consisting of sodium claim 1 , potassium claim 1 , rubidium claim 1 , cesium claim 1 , silver ...

COMPOSITE RESIN MOLDED ARTICLE

A composite resin molded article includes: a base resin; and fillers dispersed in the base resin, wherein the fillers include fibrous fillers and particulate fillers having aspect ratios lower than aspect ratios of the fibrous fillers. 1. A composite resin molded article containing:a base resin; andfillers dispersed in the base resin,wherein the fillers include fibrous fillers and particulate fillers having aspect ratios lower than aspect ratios of the fibrous fillers.2. The composite resin molded article according to claim 1 ,wherein the fibrous fillers have aspect ratios of 10 or higher, andthe particulate fillers have aspect ratios of 2 or lower.3. The composite resin molded article according to claim 1 , wherein a ratio of the fibrous fillers in the fillers is ranging from 1% to 10% claim 1 , and a ratio of the particulate fillers in the fillers is ranging from 50% to 70%.4. The composite resin molded article according to claim 1 , wherein a ratio of the fibrous fillers in the fillers present at a surface layer of the composite resin molded article is higher than a ratio of the fibrous fillers in the fillers present at a core side of the composite resin molded article.5. The composite resin molded article according to claim 1 , wherein the fillers have lightness of L values of higher than 80 determined by a color difference measurement.6. The composite resin molded article according to claim 1 , wherein the composite resin molded article having lightness of different L values determined by the color difference measurement in a cross-sectional direction claim 1 , wherein the lightness of L values at the surface layer of the composite resin molded article are higher than the lightness of L values at the core side of the composite resin molded article.7. The composite resin molded article according to claim 1 , wherein at least one end part of each fibrous filler in the composite resin molded article is defibrated.8. The composite resin molded article according to ...

SELF-STABILIZED THERMOTHICKENING COLLOIDS

A thermothickening fluid is provided which comprises a liquid phase; a first polymer comprising functional groups and having a room temperature solubility in the liquid phase; and a second, different polymer comprising functional groups and having a room temperature solubility in the liquid phase, wherein functional groups on the first polymer are capable of associating with functional groups on the second polymer to form complexes, and the room temperature solubility of the first polymer is greater than the room temperature solubility of the second polymer. The fluid is a colloid at room temperature, a solution at an elevated temperature, and exhibits a thermothickening/thinning transition viscosity value at a thermo-thickening/thinning transition temperature between room temperature and the elevated temperature. 1. A thermothickening fluid comprising:a liquid phase;a first polymer comprising functional groups and having a room temperature solubility in the liquid phase; anda second, different polymer comprising functional groups and having a room temperature solubility in the liquid phase, wherein functional groups on the first polymer are capable of associating with functional groups on the second polymer to form complexes, and the room temperature solubility of the first polymer is greater than the room temperature solubility of the second polymer,wherein the fluid is a colloid at room temperature, a solution at an elevated temperature, and exhibits a thermothickening/thinning transition viscosity value at a thermo-thickening/thinning transition temperature between room temperature and the elevated temperature.2. The fluid of claim 1 , wherein the association between corresponding functional groups on the first and second polymers to form the complexes is hydrogen bonding.3. The fluid of claim 1 , wherein the functional groups of one of the first and second polymers are carboxylic acid groups.4. The fluid of claim 1 , wherein the functional groups of one of the ...

RESIN COMPOSITION FOR MOLDING MATERIALS, MOLDED BODY, AND METHOD FOR PRODUCING RESIN COMPOSITION FOR MOLDING MATERIALS

Provided is a resin composition for molding materials, comprising a plant fiber (A), a thermoplastic resin (B), and a compound (C) having a reactivity with a carboxy group. 1. A resin composition for molding materials , comprising:a plant fiber (A);a thermoplastic resin (B); anda compound (C) having a reactivity with a carboxy group,wherein the thermoplastic resin (B) is a polyolefin-based resin, andthe compound (C) having a reactivity with a carboxy group is a compound containing at least one functional group selected from the group consisting of a carbodiimide group and an oxazoline group, andthe plant fiber (A), the thermoplastic resin (B), and the compound (C) having a reactivity with a carboxy group are blended such that a mass ratio thereof is 5 to 55/35 to 94/0.2 to 10.2. The resin composition for molding materials according to claim 1 ,wherein the plant fiber (A) is a chemically modified product modified with an acid anhydride.3. (canceled)4. (canceled)5. A molded body which is obtained by molding the resin composition for molding materials according to .6. A method for producing a resin composition for molding materials which contains a plant fiber (A) claim 1 , a thermoplastic resin (B) claim 1 , and a compound (C) having a reactivity with a carboxy group claim 1 , the method comprising:a step of melt-kneading the plant fiber (A), the thermoplastic resin (B), and the compound (C) having a reactivity with a carboxy group,wherein the thermoplastic resin (B) is a polyolefin-based resin,the compound (C) having a reactivity with a carboxy group is a compound containing at least one functional group selected from the group consisting of a carbodiimide group and an oxazoline group, anda mass ratio of the plant fiber (A)/the thermoplastic resin (B)/the compound (C) having a reactivity with a carboxy group is 5 to 55/35 to 94/0.2 to 10.7. The method for producing a resin composition for molding materials according to claim 6 ,wherein in the step of the melt- ...

POLYPROPYLENE COMPOSITE

Polyvinyl alcohol fiber reinforced polypropylene composition with excellent impact/stiffness balance as well as to its preparation and use. 112-. (canceled)14. The fiber reinforced polypropylene composition according to claim 13 , wherein the polypropylene (PP) of the matrix (M) is a propylene homopolymer (H-PP1) having(i) a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of from 1 to 500 g/10 min,(ii) a melting temperature Tm in the range of 150 to 175° C.,(iii) a isotactic pentad concentration of higher than 90 mol %, and(iv) a xylene cold soluble content (XCS) of not more than 5 wt %.15. The fiber reinforced polypropylene composition according to claim 13 , wherein the polypropylene (PP) of the matrix (M) is a heterophasic propylene copolymer (HECO) havinga) a xylene cold soluble content (XCS) measured according ISO 6427 (23° C.) in the range of 8.0 to 35 wt %, and/or{'sub': '2', 'b) a melt flow rate MFR(230° C.) measured according to ISO 1133 of from 1 to 300 g/10 min, and/or'}{'sub': 4', '8, 'c) a total ethylene and/or Cto Cα-olefin content of 5.0 to 25 wt %, based on the total weight of the heterophasic propylene copolymer (HECO).'}16. The fiber reinforced polypropylene composition according to claim 15 , wherein the heterophasic propylene copolymer (HECO) comprisesa) a polypropylene matrix (M-HECO), being a propylene homopolymer (H-PP2), andb) an elastomeric copolymer (E).17. The fiber reinforced polypropylene composition according to claim 13 , wherein the polyvinyl alcohol (PVA) fibers have(i) a tenacity of at least 0.4 N/tex up to 1.7 N/tex,(ii) a fiber length of 2.0 to 20 mm, and(ii) a fiber average diameter in the range of 10 to 20 μm.18. The fiber reinforced polypropylene composition according to claim 13 , wherein the polar modified polypropylene as coupling agent (CA) is a modified polypropylene having a polar group or groups claim 13 ,wherein the polar group or groups are derived from polar compounds selected from the group consisting of ...

CELLULAR POLYMERIC MATERIAL

A formulation includes a polymeric material, a nucleating agent, and a surface active agent. The formulation may be used to form an insulated container. 1. An insulative cellular polypropylene-based material comprisinga first polymer material comprising at least one high melt strength polypropylene homopolymer anda second polymer material comprising at least one polymer selected from the group consisting of crystalline polypropylene homopolymer, impact polypropylene copolymer, and mixtures thereof,wherein the material has wrinkles or creases.2. The insulative cellular polypropylene-based material of claim 1 , further comprising at least one nucleating agent.3. The insulative cellular polypropylene-based material of claim 1 , further comprising at least one slip agent.4. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of greater than about 2.5.5. The insulative cellular polypropylene-based material of having a cell aspect ratio in a circumferential direction of greater than about 2.75.6. The insulative cellular polypropylene-based material of having a cell aspect ratio in the axial direction of greater than about 2.5.7. The insulative cellular polypropylene-based material of having a cell aspect ratio in an axial direction of greater than about 2.75.8. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of greater than about 2.5.9. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of greater than about 2.75.10. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of greater than about 3.0.11. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of greater than about 3.25.12. The insulative cellular polypropylene-based material of having a cell ...

POLYPROPYLENE RESIN COMPOSITION AND MOLDED ARTICLE

A polypropylene resin composition affords a molded article good in rigidity, impact resistance, and tensile elongation at break. This composition contains 75-98 wt % of a propylene-based material (A) and 2-25 wt % of a propylene-ethylene random copolymer (B). Material (A) contains 50-100 wt % of a polymeric material (A-1) produced by multistage polymerization and composed of a propylene homopolymer component (i) and a propylene-ethylene random copolymer component (ii), and 0-50 wt % of a propylene homopolymer (A-2). The content of (i) in material (A-1) is 55-90 wt %, and the content of (ii) is 10-45 wt %, (ii) in material (A-1) contains >40 wt % but ≦80 wt % of ethylene units and ≧20 wt % but <60 wt % of propylene units, and the content of (ii) in material (A) is 5-35 wt %. Copolymer (B) contains 88-95 wt % of propylene units and 5-12 wt % of ethylene units and has an MFR of 0.5-10 g/10 minutes measured at 230° C. and a load of 2.16 kgf. 2. The polypropylene-based resin composition according- claim 1 , wherein the propylene-ethylene random copolymer (B) has a density of 0.87-0.88 g/cm.3. A molded article made of the polypropylene resin composition according-.4. A molded article made of the polypropylene resin composition according-. The present invention relates to polypropylene resin compositions and molded articles made thereof. Particularly, the present invention relates to a polypropylene resin composition capable of affording a molded article being well balanced with respect to impact resistance and tensile elongation at break, and a molded article made thereof.Polypropylene resin compositions are in use for automotive interior or exterior parts, electric parts, etc. because they are materials generally being excellent in rigidity, impact resistance, etc.Patent document 1 discloses a polypropylene resin composition developed for the purpose of improving molding processability, mechanical strength balance, and paintability which is a composition composed of a ...

RESIN COMPOSITION, RESIN MOLDED ARTICLE, AND METHOD OF PREPARING RESIN COMPOSITION

A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a coating layer around the glass fiber, and wherein the thickness of the coating layer is from 50 nm to 700 nm. 1. A resin composition comprising:a thermoplastic resin;a glass fiber;a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond; anda compatibilizer,wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a coating layer around the glass fiber, and wherein the thickness of the coating layer is from 50 nm to 700 nm.2. The resin composition according to claim 1 ,wherein the content of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond is from 1% by weight to 10% by weight with respect to the weight of the glass fiber.3. The resin composition according to claim 1 ,wherein the thermoplastic resin is polyolefin.4. The resin composition according to claim 1 ,wherein the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond is polyamide.5. The resin composition according to claim 1 ,wherein the compatibilizer is a chemically modified polyolefin.6. The resin composition according to claim 1 ,wherein the content of the glass fiber is from 0.1 parts by weight to 200 parts by weight with respect to 100 parts by weight of the thermoplastic resin.7. The resin composition according to claim 1 ,the content of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond is from 0.1 parts by weight to ...

POLYMER COMPOSITION FOR IMPROVED GRADE PLASTICS FROM RECYCLED MATERIAL

A polymer composition including 1. A polymer composition comprising:60-80 wt. % of a recycled polypropylene (PP);10-35 wt. % of a recycled polyethylene (PE);5-20 wt. % of a polyolefin elastomer (POE);0.1-10 wt. % styrene ethylene butylene styrene block copolymer (SEBS),wherein the wt. % is relative to the total weight of the polymer composition;wherein said polymer composition comprises at least 11 wt. % of polyolefin elastomer and styrene ethylene butylene styrene block copolymer,the recycled polypropylene is a material collected under the DSD 324 or DSD 324-1 standard andthe recycled polyethylene is a material collected under the DSD 329 standard, and wherein the POE is a C2-C4 copolymer, a C2-C6 copolymer or a C2-C8 copolymer.2. The polymer composition according to claim 1 , wherein the polymer composition comprises <0.5% by mass expanded polystyrene.3. The polymer composition according to claim 2 , comprising:60-77.5 wt. % of a recycled polypropylene;12-35 wt. % of a recycled polyethylene;6-20 wt. % of a polyolefin elastomer (POE);0.1-8 wt. % styrene ethylene butylene styrene block copolymer (SEBS).4. The polymer composition according to claim 1 , wherein the recycled PP content of the polymer composition is made-up of between 25-75 wt. % BOPP and between 25-75 wt. % rubber-containing injection moulded material and wherein wt. % is relative to the total amount of recycled PP.5. The polymer composition according to claim 1 , wherein the recycled PP is present between 60-80 wt. % claim 1 , preferably 60-77.5 wt. % claim 1 , most preferably between 62-75 wt. % claim 1 , within the polymer composition; wherein wt. % is relative to the total weight of the polymer composition.6. The polymer composition according to claim 1 , wherein the recycled PE preferably comprises recycled High-Density Polyethylene (HDPE) to at least 90 wt. % claim 1 , more preferably at least 92 wt. % claim 1 , most preferably at least 95 wt. % claim 1 , and wherein the recycled PE has a density ...

Plastic Corrugation

A corrugated plastic sheet is provided having two outer sheets and internal ribs. The ratio of the thicknesses between each outer sheet and a rib is approximately 2:1. This ratio can be adjusted so that the upper and lower sheets are thicker than the thickness of the ribs. The die itself does not need to be changed. Rather, the die settings are merely adjusted. 1. A corrugated substrate comprising:at least two planar sheets substantially parallel to one another each having a first thickness;a plurality of ribs disposed between the sheets, each rib having a second thickness;the ratio of the first thickness to the second thickness being approximately 2:1; and, the substrate is plastic.2. The corrugated substrate of wherein the ribs are disposed perpendicular to the planar sheets.3. The corrugated substrate of wherein the substrate is a high density polypropylene.4. The corrugated substrate of wherein there are about 100 ribs per foot.5. The corrugated substrate of wherein the first thickness is about 0.016 millimeters and the second thickness is about 0.0075 millimeters.6. The corrugated substrate of wherein the substrate thickness is in the range of about 3 millimeters to 4.5 millimeters.7. The corrugated substrate of wherein the substrate thickness is about 3.5 millimeters.8. The corrugated substrate of wherein the approximate distance between each of the plurality of ribs is about 0.120 millimeters.9. The corrugated substrate of wherein the substrate has a plastic material density in the range of about 700 grams per square meter to about 1 claim 6 ,200 grams per square meter.10. The corrugated substrate of wherein the substrate has a plastic material density in the range of about 800 grams per square meter to about 1 claim 6 ,000 grams per square meter.11. The corrugated substrate of having a fold line.12. The corrugated substrate of wherein the substrate forms a box. The present application claims the benefit of U.S. Provisional Application No. 62/062,481, filed ...

POLYPROPYLENE RESIN COMPOSITION AND INTERIOR AND EXTERIOR MATERIALS FOR VEHICLES USING THE SAME

Disclosed is a polypropylene resin composition and interior and exterior materials for vehicles using the same, particularly an olefin-based polypropylene resin composition including: about 50 to 70% by weight of a high crystalline polypropylene; about 10 to 20% by weight of a reactor made thermoplastic polyolefin (RTPO) polypropylene; about 5 to 20% by weight of an inorganic filler; about 10 to 20% by weight of a rubber elastomer; and about 3% by weight or less of a slip agent, based on the total weight of the composition. The composition provides excellent physical properties such as high strength and impact resistance, and thus superior resistance to damage, and shows low gloss characteristics and excellent fluidity. 1. A polypropylene resin composition , comprising:about 50 to 70% by weight of a high crystalline polypropylene;about 10 to 20% by weight of a reactor made thermoplastic polyolefin (RTPO) polypropylene;about 5 to 20% by weight of an inorganic filler;about 10 to 20% by weight of a rubber elastomer; andabout 3% by weight or less of a slip agent,wherein % by weight is based on a total weight of the polypropylene resin composition.2. The polypropylene resin composition of claim 1 , further comprising about 1 to 2% by weight of a modified polypropylene in which a polar group is grafted in an amount of about 1 to 2% by mole as an additive.3. The polypropylene resin composition of claim 1 , wherein the high crystalline polypropylene is a mixture of a high crystalline polypropylene homo polymer (HCPP homo polymer) and a high crystalline polypropylene block copolymer (HCPP block copolymer) and a mixed weight ratio thereof is about 1 to 9:9 to 1.4. The polypropylene resin composition of claim 3 , wherein an isotactic index of the HCPP homo polymer is about 97% or more.5. The polypropylene resin composition of claim 3 , wherein a melt index of the HCPP homo polymer is about 5 to 60 g/10 min (230° C. claim 3 , 2.16 kg) and a melt index of the HCPP block ...

COMPOSITION COMPRISING HETEROPHASIC PROPYLENE COPOLYMER

The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, 1. A composition comprising(A) a propylene-based polymer,(B) an elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms and(C) an inorganic filler,wherein (A) the propylene-based polymer has a melt flow index of 60 to 150 dg/min measured according to ASTM D1238 (2.16 kg/230° C.) and{'sup': '3', 'wherein (B) the elastomer has a density of 0.840 to 0.865 g/cm,'}wherein (B) the elastomer has a melt flow index of 3 to 13 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C.,wherein the amount of (B) the elastomer is 2 to 30 wt % based on the total composition,wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition, andwherein the elastomer is an ethylene-1-octene copolymer.2. The composition according to claim 1 , wherein the elastomer has a melt flow index of 4 to 10 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C.3. The composition according to claim 1 , wherein the elastomer has a density of 0.850 to 0.865 g/cm.4. The composition according to claim 1 , wherein the propylene-based polymer is a heterophasic propylene copolymer consisting of(a) a propylene-based matrix,wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene copolymer consisting of at least 96 wt % of propylene monomer units and at most 4 wt % of ethylene monomer units and/or an α-olefin monomer units having 4 to 10 carbon atoms, based on the total weight of the propylene-based matrix andwherein the propylene-based matrix is present in an amount of 65 to 95 wt % based on the total heterophasic propylene copolymer and(b) a dispersed ethylene-α-olefin copolymer, wherein the dispersed ethylene-α-olefin copolymer is an ethylene- ...

Thermoplastic Vulcanizates and Compositions Thereof

Disclosed is a thermoplastic vulcanizate composition with a dispersed phase of a rubber, partially cured in a phenolic resin curing agent, and a continuous thermoplastic phase including at least one thermoplastic polymer, where the composition has one or more of the following properties: (i) an epoxidized soy bean oil is added after the partial curing of the rubber phase; (ii) a combination of an alkyl radical scavenger and an alkyl phosphite is added during the partial curing of the rubber phase; (iii) the thermoplastic phase has ≥10 wt % polypropylene having a heat of fusion >80 J/g, and the composition includes (a) stannous chloride; (b) a non-basic hindered amine light stabilizer; and/or (c) both (a) and (b); and (iv) where (i) to (iii) include carbon black in the composition. 1. A thermoplastic vulcanizate composition comprising(A) a dispersed rubber phase, including a rubber that has been at least partially cured in the presence of a phenolic resin curing agent;(B) a continuous thermoplastic phase, including at least one thermoplastic polymer;(C) carbon black; and (I) the composition further comprises an epoxidized soy bean oil;', '(II) the composition further comprises a mixture of an alkyl radical scavenger and an alkyl phosphite;', '(III) the thermoplastic phase comprises at least about 10 wt % of one or more polypropylene compound(s) based on the total weight of the thermoplastic phase, wherein the one or more propylene compound(s) has a heat of fusion of greater than about 95 J/g; and', '(IV) the thermoplastic phase comprises at least about 10 wt % of one or more polypropylene compound(s) based on the total weight of the thermoplastic phase, wherein the one or more polypropylene compound(s) has a heat of fusion of greater than about 80 J/g and the composition includes (i) about 0.25 to about 0.35 wt % of stannous chloride, based on the total weight of the phenolic resin curing agent and the stannous chloride; (ii) a non-basic hindered amine light ...

Plastic, for Automotive Interior Parts, Manufactured From Biomass Pellets, and Method for Manufacturing the Plastic

The present disclosure relates to a plastic article for automotive interior parts using a biomass pellet and to a method for manufacturing the plastic article, which is characterized by injection molding a pellet containing paper powder and plastic resin. The present disclosure provides a plastic article for automotive interior parts using a biomass pellet, which meets the physical property requirements for automotive interior parts. 1. A plastic article for automotive interior parts using a biomass pellet , which is prepared by injection molding a pellet comprising a paper powder and a plastic resin.2. The plastic article according to claim 1 , wherein the pellet further comprises a plant powder.3. The plastic article according to claim 1 , wherein the pellet comprises 5-50 wt % of the paper powder and 50-95 wt % of the plastic resin based on total weight.4. The plastic article according to claim 2 , wherein the pellet comprises 5-45 wt % of the paper powder claim 2 , 5-20 wt % of the plant powder and 45-75 wt % of the plastic resin based on total weight.5. The plastic article according to claim 2 , wherein the plant is one or more plant(s) selected from the group consisting of maize claim 2 , bamboo and rice hull.6. The plastic article according to or claim 2 , wherein the plastic resin comprises one or more selected from polypropylene (PP) claim 2 , acrylonitrile butadiene styrene (ABS) claim 2 , polycarbonate-acrylonitrile butadiene styrene (PC-ABS) claim 2 , polyamide 6 (PA6) and polyamide 66 (PA66).7. The plastic article according to or claim 2 , wherein the pellet further comprises an organic acid and a peroxide.8. The plastic article according to or claim 2 , wherein the pellet further comprises a graft binder and the graft binder is contained in an amount of 0.5-2 wt % based on the total weight of the pellet.9. A method for manufacturing a plastic article for automotive interior parts using a biomass pellet claim 2 , comprising: (a) preparing a paper powder ...

POLYPROPYLENE POLYMER COMPOSITION HAVING HIGH STIFFNESS PROPERTIES

Polypropylene polymer compositions are disclosed that have excellent stiffness properties. The polypropylene polymer compositions are made by combining a first polypropylene polymer with a second polypropylene polymer. The combination of polymers has been found to produce a composition having high stiffness properties in addition to excellent toughness properties. In addition, the polymer composition has good flow properties for being molded into various products and articles. Of particular advantage, the different polypropylene polymers can be produced at relatively high catalyst activity, especially in comparison to high crystalline polymers made in the past. 2. A polypropylene polymer composition as defined in claim 1 , wherein the first polypropylene polymer has a xylene soluble content of from about 2.5% by weight to about 7% by weight and the second polypropylene polymer has a xylene soluble content of from about 2.5% by weight to about 7% by weight.3. A polypropylene polymer composition as defined in claim 1 , where one of the polypropylene polymers has a xylene soluble content of greater than 5% by weight and the other polypropylene polymer has a xylene soluble content of less than about 4% by weight.4. (canceled)5. (canceled)6. A polypropylene polymer composition as defined in claim 1 , wherein the first polypropylene polymer is present in the polymer composition in an amount less than about 66% by weight claim 1 , and in an amount greater than about 30%.7. A polypropylene polymer composition as defined in claim 1 , wherein the composition contains a nucleating agent.8. A polypropylene polymer composition as defined in claim 1 , wherein the composition does not contain a nucleating agent.9. A polypropylene polymer composition as defined in claim 1 , wherein the polypropylene polymer composition has a melt flow rate of from about 0.5 g/10 min to about 30 g/10 min and has a xylene soluble content of from about 3% to about 7% by weight.10. A polypropylene ...

DISPERSANT FOR POWER STORAGE DEVICE POSITIVE ELECTRODE

The present invention relates to a dispersant for a positive electrode of a power storage device. The dispersant is a copolymer that contains a constitutional unit A represented by the following general formula (1) and at least one constitutional unit B selected from the group consisting of a constitutional unit Brepresented by the following general formula (2) and a constitutional unit Brepresented by the following general formula (3). The total content of the constitutional unit A and the constitutional unit B in the copolymer is 80% by mass or more. The content of the constitutional unit A in all constitutional units of the copolymer is 35% by mass or more. 2. The dispersant for a positive electrode of a power storage device according to claim 1 , wherein a ratio of the content of the constitutional unit B to the content of the constitutional unit A (constitutional unit B/constitutional unit A) of the copolymer is 0.2 or more and 1.9 or less.3. The dispersant for a positive electrode of a power storage device according to claim 1 , wherein the content of the constitutional unit A in all the constitutional units of the copolymer is 80% by mass or less.4. The dispersant for a positive electrode of a power storage device according to claim 1 , wherein the content of the constitutional unit B in all the constitutional units of the copolymer is 5% by mass or more and 65% by mass or less.6. The dispersant for a positive electrode of a power storage device according to claim 1 , wherein a weight average molecular weight of the copolymer is 1 claim 1 ,000 or more and 500 claim 1 ,000 or less.7. The dispersant for a positive electrode of a power storage device according to claim 1 , wherein the constitutional unit B is a constitutional unit derived from at least one selected from the group consisting of 2-hydroxyethyl methacrylate claim 1 , methoxyethyl methacrylate claim 1 , 4-vinylpyridine claim 1 , methacrylic acid claim 1 , and methacrylamide.8. A conductive material ...

POLYOLEFIN COMPOSITION WITH IMPROVED SURFACE APPEARANCE

The present invention is directed to a heterophasic polypropylene composition (HECO1) and the use thereof to reduce the amount of flow marks of an injection moulded polyolefin composition. Further, the present invention is directed to a polyolefinn composition (C) comprising a polyolefin (PO), said heterophasic polypropylene composition (HECOl) and optionally a filler as well as an article comprising said polyolefin composition (C). 1: A heterophasic polypropylene composition (HECO1) , comprising;i) a matrix (M) comprising a first propylene polymer (PP1) and a second propylene polymer (PP2), and{'sub': '8', 'ii) an elastomeric propylene copolymer (EPR) being a copolymer of propylene and ethylene and/or a C4 to Cα-olefin dispersed within the matrix (M),'}wherein the ratio MFR(PP1)/MFR(PP2) is above 10,000, wherein MFR(PP1) is the melt flow rate MFR (230° C., 2.16 kg) in [g/10 min] determined according to ISO 1133 of the first propylene polymer (PP1) and MFR(PP2) is the melt flow rate MFR (230° C., 2.16 kg) in [g/10 min] determined according to ISO 1133 of the second propylene polymer (PP2).2: The heterophasic polypropylene composition (HECO1) according to claim 1 , wherein the second propylene polymer (PP2) has a melt flow rate MFR (230° C. claim 1 , 2.16 kg) determined according to ISO 1133 equal or below 10.0 g/10 min.3: The heterophasic polypropylene composition (HECO1) claim 1 , comprising;i) a matrix (M) comprising a first propylene polymer (PP1) and a second propylene polymer (PP2), wherein the second propylene copolymer has a melt flow rate MFR (230° C., 2.16 kg) determined according to ISO 1133 of equal or below 0.05 g/10 min, andii) an elastomeric propylene copolymer (EPR) dispersed within the matrix (M),wherein the ratio MFR(PP1)/MFR(PP2) is above 61, wherein MFR(PP1) is the melt flow rate MFR (230° C., 2.16 kg) in [g/10 min] determined according to ISO 1133 of the first propylene polymer (PP1) and MFR(PP2) is the melt flow rate MFR (230° C., 2.16 kg) in [g ...

POLYPROPYLENE MODIFYING AGENT AND PREPARATION METHOD THEREFOR, POLYPROPYLENE COMPOSITION, AND POLYPROPYLENE MATERIAL AND PREPARATION METHOD THEREFOR

A polypropylene modifier and a preparation method therefor, polypropylene composition, and polypropylene material comprising the polypropylene modifier and a preparation method therefor are provided. The preparation method for the polypropylene modifier comprises: bringing a polar monomer grafted polypropylene into contact with a component A to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A; in formula (1), the polar monomer is selected from maleic anhydride, acrylic acid, and acrylate, etc; and the component A is selected from polyisocyanate, etc; and in formula (2), the polar monomer is selected from ditnethylaminoethyl methacrylate and epoxy acrylate, etc; and the component A is selected from polyisocyanate and polyethylene oxide, etc. When introduced into an ordinary linear polypropylene, the polypropylene modifier can significantly improve the melt strength and the mechanical properties of the polypropylene. 1. A preparation method for a polypropylene modifier , comprising:bringing a polar monomer grafted polypropylene into contact with a component A in formula (1) or formula (2) to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A;in formula (1), the polar monomer is at least one selected from maleic anhydride, acrylic acid, acrylate, methacrylic acid, methacrylate, vinyl neodecanoate, glycidyl methacylate, dimethylaminoethyl methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is at least one selected from polyisocyanate and polyethylene oxide;in formula (2), the polar monomer is at least one selected from dimethylaminoethyl methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is ...

RESIN COMPOSITION AND METHOD OF PRODUCING THE SAME

A resin composition having a high thermal aging property and molding stability in mass production of molded articles while keeping molding fluidity and thermal creep resistance is provided. A resin composition, containing 100 parts by mass in total of a polypropylene resin (a) and a polyphenylene ether resin (b), and 1 to 20 parts by mass of a compatibilizer (c), wherein in the component (a), the proportion of the component having a molecular weight of 30,000 or less is from 3.0 to 5.1% of the entire component (a), and the proportion of the component having a molecular weight of 10,000,000 or more is from 1.0 to 1.6% of the entire component (a). 1. A resin composition , comprising:100 parts by mass in total of a polypropylene resin (a) and a polyphenylene ether resin (b), and1 to 20 parts by mass of a compatibilizer (c),wherein in the component (a),a proportion of a component having a molecular weight of 30,000 or less, which is determined by gel permeation chromatography (GPC, mobile phase: o-dichlorobenzene, standard substance: polystyrene), is from 3.0 to 5.1% of the entire component (a), and a proportion of a component having a molecular weight of 10,000,000 or more is from 1.0 to 1.6% of the entire component (a).2. The resin composition according to claim 1 , further comprising 5 to 50 parts by mass of a filler (d) based on 100 parts by mass in total of the component (a) and the component (b).3. The resin composition according to claim 1 , wherein molecular weight distribution of the component (a) (weight average molecular weight (Mw)/number average molecular weight (Mn)) is from 8 to 11.4. The resin composition according to claim 1 , wherein the component (c) is one or more selected from the group consisting of hydrogenated block copolymers claim 1 , copolymers having polystyrene-polyolefin chain claim 1 , and copolymers having polyphenylene ether-polyolefin chain.5. The resin composition according to claim 1 , wherein the component (c) is a hydrogenated block ...

HETEROPHASIC COPOLYMERS

A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %; the heterophasic polypropylene resin has an MFR2 of 0.01 to 50 g/10 min; the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %; the heterophasic polypropylene resin has a notched charpy impact strength at −20 C of at least 25 kJ/m, preferably at least 50 kJ/m; and wherein the MFR(Matrix)/MFR(XS)≧5, preferably ≧10. 1. A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix , whereinthe xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %;{'sub': '2', 'the heterophasic polypropylene resin has an MFRof 0.01 to 50 g/10 min;'}the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %;{'sup': '2', 'the heterophasic polypropylene resin has a notched charpy impact strength at −20° C. of at least 25 kJ/m; and wherein'}{'sub': 2', '2, 'the MFR(XS)/MFR(matrix)≅5.'}2. A heterophasic polypropylene resin comprising a polypropylene homopolymer phase (A) and an ethylene-propylene copolymer phase (B) dispersed within phase (A) , whereinthe xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %;{'sub': '2', 'the heterophasic polypropylene resin has an MFRof 0.01 to 50 g/10 min;'}the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %;{'sub': '2', 'the MFR(xylene insoluble) is 0.2 g/10 min or less; and wherein'}{'sub': 2', '2, ' ...

COMPOSITE MATERIAL FOR MEANS OF TRANSPORT INCLUDING POLYPROPYLENE RESIN AND LONG CARBON FIBER

The present invention relates to a composite material for a transport, including a polypropylene resin and a carbon long fiber, and more particularly, to a fiber reinforced composite material composition for a transport including 40-90 wt % of a polypropylene resin, 5-60 wt % of a carbon long fiber having a fiber diameter of 1-50 μm and a weight average fiber length of 20-150 mm, and 0.3-10 wt % of a compatibilizer. The compatibilizer includes one selected from the group consisting of an ionomer, a copolymer of propylene-polar monomer, a modification water added polymer and combinations thereof. The composite material has improved interface properties between the polypropylene resin and the carbon long fiber owing to a specific compatibilizer, improved rigidity, impact resistance and heat resistance, and may be applied to various fields requiring the fiber reinforced composite material as well as various transports including an automobile. 1. A fiber reinforced composite material composition for a transport , comprising 40-90 wt % of a polypropylene resin , 5-60 wt % of a carbon long fiber having a fiber diameter of 1-50 μm and a weight average fiber length of 20-150 mm , and 0.3-10 wt % of a compatibilizer ,wherein the compatibilizer comprises one selected from the group consisting of an ionomer, a copolymer of propylene-polar monomer, a modification water added polymer and combinations thereof.2. The fiber reinforced composite material composition for a transport of claim 1 , wherein the polypropylene resin is a polypropylene single polymer or a copolymer of polypropylene and alpha olefin.3. The fiber reinforced composite material composition for a transport of claim 2 , wherein the alpha olefin comprises one selected from the group consisting of 1-butene claim 2 , 1-pentene claim 2 , 1-hexene claim 2 , 4-methyl-1-pentene claim 2 , 1-heptene claim 2 , 1-octene claim 2 , 1-nonene claim 2 , 1-decene claim 2 , 1-undecene claim 2 , 1-dodecene and combinations thereof. ...

Thermoplastic Polyolefin Blends Having Improved Low Temperature Impact Performance

A composition comprising (A) from 30 wt % to 70 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 70.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 85.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg); (C) from 1 wt % to 40 wt % of an olefin block copolymer; and at least one of (D) from 1 wt % to 40 wt % of a polyolefin elastomer and (E) from 1 wt % to 30 wt % of a filler. 1. A composition comprising:(A) from 30 wt % to 70 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 70.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg);(B) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 85.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg);(C) from 1 wt % to 40 wt % of an olefin block copolymer; andat least one of (D) from 1 wt % to 40 wt % of a polyolefin elastomer and (E) from 1 wt % to 30 wt % of a filler.2. The composition of claim 1 , wherein the filler is talc.3. The composition as claimed in any one of and claim 1 , wherein the olefin block copolymer has a density from 0.850 g/cc to 0.890 g/cc (ASTM D792) and a melt index from 0.1 g/10 min to 10.0 g/10 min (ASTM D-1238 at 190° C. claim 1 , 2.16 kg).4. The composition as claimed in any one of to claim 1 , wherein the polyolefin elastomer has a density from 0.850 g ...

THERMOPLASTIC POLYOLEFIN BLENDS INCLUDING ETHYLENE RICH POLYMERS

A composition comprising (A) from 40 wt % to 75 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg); (B) from 1 wt % to 40 wt % of an olefin block copolymer; and (C) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg). 1. A composition comprising:(A) from 50 wt % to 70 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 1.0 g/10 min to 100.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg);(B) from 20 wt % to 30 wt % of an olefin block copolymer; and(C) from 1 wt % to 20 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, and a melt index from 0.1 g/10 min to 50.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg).2. The composition of claim 1 , further comprising (D) from 0.1 wt % to 20 wt % of an additive or filler.3. The composition of any of the preceding claims claim 1 , wherein the olefin block copolymer has a density from 0.850 g/cc to 0.890 g/cc (ASTM D792) and a melt index from 0.1 g/10 min to 10.0 g/10 min (ASTM D-1238 at 190° C. claim 1 , 2.16 kg).4. The composition of any of the preceding claims claim 1 , further comprising a melt flow rate of greater than 7.0 g/10 min (ASTM D-1238 at 230° C. claim 1 , 2.16 kg).5. The composition of any of the preceding claims claim 1 , further comprising a notched impact of greater than or equal to ...

RESIN COMPOSITION

There is disclosed a resin composition from which a molded article excellent in scratch resistance and mechanical properties, low in gloss and low in shrinkage anisotropy can be obtained. Specifically, disclosed is a resin composition comprising 40% by weight to 90% by weight of a propylene polymeric material (A) containing 50% by weight or more of structural units derived from propylene, 9% by weight to 30% by weight of wollastonite (B), and 1% by weight to 30% by weight of an elastomer (C) where the combined amount of (A), (B) and (C) is taken as 100% by weight, wherein the wollastonite (B) satisfies specific requirements. 1. A resin composition comprising 40% by weight to 90% by weight of a propylene polymeric material (A) containing 50% by weight or more of structural units derived from propylene , 9% by weight to 30% by weight of wollastonite (B) , and 1% by weight to 30% by weight of an elastomer (C) where the combined amount of (A) , (B) and (C) is taken as 100% by weight , wherein the wollastonite (B) satisfies the following requirement (1) and requirement (2) ,requirement (1): having an average fiber length of 10.0 μm to 26.0 μmrequirement (2): having a fiber length distribution satisfying the following (b1), (b2) and (b3) where the overall number of the wollastonite is taken as 100%,(b1): the content of wollastonite having a fiber length of 50 μm or more is 0.1% to 3.0%(b2): the content of wollastonite having a fiber length of not less than 10 μm but less than 50 μm is 17.0% to 35.0%(b3): the content of wollastonite having a fiber length of less than 10 μm is 62.0% to 82.9%.2. The resin composition according to claim 1 , wherein the elastomer is an olefin-based elastomer having a melt flow rate of 0.05 g/10 minutes to 30 g/10 minutes as measured at a 230° C. under a load of 21.18 N in accordance with JIS K6758. 1. Technical FieldThe present invention relates to a resin composition containing prescribed ingredients.2. Background ArtMolded articles made of ...

Polymer Composition Comprising Polypropylene

The present invention relates to a polymer composition comprising: 115.-. (canceled)16. A polymer composition comprising:at least 31.0% by weight of a polypropylene (PP1) based on the total weight of the polymer composition;{'sup': '3', 'a first polyethylene (A) having a melt flow rate MI2 of at least 2.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg and a density of at least 0.940 g/cmas determined according to ISO 1183-2:2005 at a temperature of 23° C.;'}a second polyethylene (B) having a melt flow rate MI2 from at least 0.1 g/10 min to below 2.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; andoptionally an ethylene vinyl acetate copolymer.17. The polymer composition according to claim 16 , wherein said first polyethylene (A) is a Ziegler Natta-catalyzed polyethylene.18. The polymer composition according to claim 16 , wherein said second polyethylene (B) is a metallocene-catalyzed polyethylene.19. The polymer composition according to claim 16 , wherein said first polyethylene (A) has a density ranging from 0.940 to 0.970 g/cm.20. The polymer composition according to claim 16 , wherein said second polyethylene (B) has a density of below 0.940 g/cmas determined according to ISO 1183-2:2005 at a temperature of 23° C.21. The polymer composition according to claim 16 , wherein said polypropylene (PP1) is a propylene copolymer.22. The polymer composition according to claim 16 , wherein said polypropylene (PP1) is a copolymer of propylene with one or more comonomers selected from ethylene and a C4 to C12 olefin.23. The polymer composition according to claim 16 , wherein said polypropylene (PP1) is a heterophasic propylene copolymer.24. The polymer composition according to claim 16 , wherein said polymer composition comprises at most 40.0% by weight of said first polyethylene (A) based on the total weight of the polymer composition.25. The polymer composition ...

THE PROCESS FOR MANUFACTURE OF LOW EMISSION POLYPROPYLENE

The present invention relates to a heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-a-olefin copolymer, wherein the heterophasic propylene copolymer has a melt flow rate of at least 40 g/10 min as determined in accordance with ISO 1 133 (230° C., 2.16 kg) and a FOG value of at most 350 μg/g as determined by VDA 278. 1. A heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-α-olefin copolymer , wherein the heterophasic propylene copolymer has a melt flow rate of at least 40 g/10 min as determined in accordance with ISO 1133 (230° C. , 2.16 kg) and a FOG value of at most 350 μg/g as determined by VDA 278.2. The heterophasic propylene copolymer according to claim 1 , which heterophasic propylene copolymer is obtained by visbreaking of an intermediate heterophasic propylene copolymer in a shifting ratio claim 1 , which complies with the following formula:{'br': None, 'i': x', 'x+', 'x', 'x+, 'sup': 2', '2, '0.0011−0.0111≤shifting ratio≤−0.0009+0.19631'}wherein x stands for the melt flow rate of the final heterophasic propylene copolymer obtained after visbreaking of the intermediate heterophasic propylene copolymer,wherein the shifting ratio is the melt flow rate of the final heterophasic propylene copolymer divided by the melt flow rate of the intermediate heterophasic propylene copolymer,wherein the melt flow rates are determined in accordance with ISO1133 (230° C., 2.16 kg).3. The heterophasic propylene copolymer according to claim 1 , wherein the heterophasic propylene copolymer consists of(a) a propylene-based matrix,wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene-α-olefin copolymer consisting of at least 70 wt % of propylene and at most 30 wt % of α-olefin, based on the total weight of the propylene-based matrix andwherein the propylene-based matrix is present in an amount of 60 to 95 wt % based on the total heterophasic propylene ...

ARTICLES WITH HIGH RIGIDITY AND LOW WARPAGE COMPRISING HETEROPHASIC PROPYLENE POLYMER COMPOSITION AND USES THEREFOR

The present invention is directed to articles comprising a heterophasic polypropylene composition. The articles exhibit a combination of high stiffness, good dimensional stability, low shrinkage and reduced warpage properties and fast cycle times. Such articles are suitable in the rigid packaging area. The articles comprise a polypropylene composition comprising a heterophasic propylene copolymer which comprises a) a matrix phase (A) comprising at least one propylene homopolymer and/or a propylene copolymer, and b) a disperse phase (B) comprising a propylene copolymer rubber dispersed in the matrix phase (A), wherein the propylene copolymer rubber of the disperse phase (B) has a comonomer content of 30 to 55 wt. %, wherein the weight ratio of the matrix phase (A) and the disperse phase (B) is from 20:80 to 80:20; and the polypropylene composition has (i) a melt flow rate MFRof 1 g/10 min to 500 g/10 min, determined according to ISO 1133 (230° C., 2.16 kg load); and the article has (ii) a half-time of crystallisation tof 1 to 25 msec, measured at 80° C. by fast scanning calorimeter. The invention further relates to a process for preparing such a heterophasic polypropylene composition and its use for e.g. molded articles, in particular injection molded articles such as thin-walled containers. 1. An article comprising a polypropylene composition comprisinga heterophasic propylene copolymer which comprises:a) a matrix phase (A) comprising at least one propylene homopolymer and/or a propylene copolymer, and 'the propylene copolymer rubber of the disperse phase (B) has a comonomer content of 30 to 55 wt. %,', 'b) a disperse phase (B) comprising a propylene copolymer rubber dispersed in the matrix phase (A), wherein'}wherein the weight ratio of the matrix phase (A) and the disperse phase (B) is from 20:80 to 80:20; andthe polypropylene composition has:{'sub': '2', '(i) a melt flow rate MFRof 1 g/10 min to 500 g/10 min, determined according to ISO 1133 (230° C., 2.16 kg ...

HETEROPHASIC PROPYLENE COPOLYMERS

A polypropylene composition made from or containing: 1. A polypropylene composition comprising:A) from 60 to 90 wt %, based upon the total weight of the polypropylene composition, of a fraction insoluble in xylene at 25° C., wherein the fraction soluble in xylene comprises more than 80% wt of propylene units, and {'o': [{'@ostyle': 'single', 'M'}, {'@ostyle': 'single', 'M'}], 'the logarithm of average molecular weight (Log w) ranging from 4.7 to 5.7 to which is associated an ethylene content C2 w (expressed as % wt) and'}, 'B) from 10 to 40 wt %, based upon the total weight of the polypropylene composition, of a fraction soluble in xylene at 25° C., wherein the fraction soluble in xylene at 25° C. comprises a copolymer of propylene and ethylene having an average content of ethylene derived units from 30.0 wt % to 55.0 wt %, wherein the fraction soluble in xylene at 25° C. when subjected to GPC fractionation and continuous IR analysis for determining the logarithm of molecular weight (Log M) and the associated ethylene content of the eluted copolymer fractions (GPC-IR analysis), provides a plot showing{'o': [{'@ostyle': 'single', 'M'}, {'@ostyle': 'single', 'M'}], 'sub': '2', 'at least an eluted copolymer fraction having logarithm of molecular weight (Log M) higher than Log w to which is associated an ethylene content higher than Cw.'}2. The polypropylene composition according to claim 1 , wherein component B) ranges from 13 wt % to 37 wt %.3. The polypropylene composition according to claim 2 , wherein component B) ranges from 17 to 32% wt.4. The polypropylene composition according to claim 1 , wherein component B) contains from 32.0 wt % to 48.0 wt % of ethylene derived units.5. The polypropylene composition according to claim 1 , wherein the MFR L (Melt Flow Rate according to ISO 1133 claim 1 , condition L claim 1 , that is claim 1 , 230° C. and 2.16 kg load) ranges from 5 to 100 g/10 min.6. The polypropylene composition according to claim 5 , wherein the MFR L ...

RESIN FOAM SHEET AND RESIN FOAM COMPOSITE MATERIAL

There is provided a resin foam sheet low in the apparent density and thin and flexible, and excellent in the stability in winding-up (wind-up stability). The resin foam sheet according to the present invention has an apparent density of 0.03 to 0.30 g/cm, a compression stress at 50%-compression of not more than 5.0 N/cm, a thickness of not less than 0.05 mm and not more than 0.40 mm, a length of not less than 5 m, and a width of not less than 300 mm. The value determined by the following expression (1) of the resin foam sheet is preferably not more than 25%. 1. A resin foam sheet , having: an apparent density of 0.03 to 0.30 g/cm , a compression stress at 50%-compression of not more than 5.0 N/cm , a thickness of not less than 0.05 mm and not more than 0.40 mm , a length of not less than 5 m , and a width of not less than 300 mm.2. The resin foam sheet according to claim 1 , wherein the resin foam sheet has a value of not more than 25% determined by the following expression (1):{'br': None, '(thickness tolerance)/(central value of thicknesses)×100\u2003\u2003(1),'}wherein the thickness tolerance refers to a difference between a maximum value and a minimum value in all measurement values acquired by a measurement wherein thicknesses are measured every 10 mm from one edge to the other edge in a width direction at a point in a longitudinal direction, and thicknesses are further measured every 10 mm from one edge to the other edge in the width direction at a point moved in the longitudinal direction by 1 m from the former point; andthe central value of thicknesses refers to a value positioned at the center in all measurement values arranged in ascending order acquired by a measurement wherein thicknesses are measured every 10 mm from one edge to the other edge in a width direction at a point in a longitudinal direction, and thicknesses are further measured every 10 mm from one edge to the other edge in the width direction at a point moved in the longitudinal direction ...

POLYOLEFINS COMPOSITION WITH LOW CLTE AND REDUCED OCCURRENCE OF FLOW MARKS

The invention relates to a novel polyolefin composition having a low coefficient of thermal expansion (CLTE) and having a reduced occurrence of flow marks. The novel polyolefin compositions comprise a heterophasic polypropylene composition, ethylene/1-butene elastomer and an inorganic filler. 1. Polyolefin composition comprising: [{'sub': '2', 'i. 10-50 wt %, based on the weight of the heterophasic polypropylene composition, of a first propylene homopolymer (PPH1) having an MFRmeasured according to ISO 1133 of from 30-80 g/10 min (230° C., 2.16 kg),'}, {'sub': '2', 'ii. 20-65 wt %, based on the weight of the heterophasic polypropylene composition, of a second propylene homopolymer (PPH2) having an MFRmeasured according to ISO 1133 of from 100-250 g/10 min (230° C., 2.16 kg),'}, {'sub': 'XS1', 'iii. 5-30 wt %, based on the weight of the heterophasic polypropylene composition of a first xylene cold soluble fraction (XS1) having an intrinsic viscosity IVof 2.0-3.0 dl/g,'}, {'sub': 'XS2', 'iv. 5-25 wt %, based on the weight of the heterophasic polypropylene composition of a second xylene cold soluble (XS2) fraction having an intrinsic viscosity IVof 1.5-2.8 dl/g,'}], 'a. 35-90 wt %, based on the weight of the polyolefin composition, of a heterophasic polypropylene composition comprising{'sub': XS1', 'XS2, 'claim-text': b. 5-40 wt %, based on the weight of the polyolefin composition, of an inorganic filler, and', 'c. 5-25 wt %, based on the weight of the polyolefin composition, of an ethylene/1-butene elastomer, 'with the proviso that IV≠IV,'}2. Polyolefin composition according to claim 1 , wherein the ethylene/1-butene elastomer has a density of from 850-880 kg/m.3. Polyolefin composition according to claim 1 , wherein the ethylene/1-butene elastomer has an MFRmeasured according to ISO 1133 of from 0.5-10 g/10 min (190° C. claim 1 , 2.16 kg).4. Polyolefin composition according to claim 1 , wherein the inorganic filler is selected from the group consisting of talc and ...

POLYPROPYLENE RESIN COMPOSITION, POLYOLEFIN RESIN COMPOSITION CONTAINING POLYPROPYLENE RESIN COMPOSITION, AND MOLDED ARTICLE OF POLYOLEFIN RESIN COMPOSITION,

An object of the present invention is to provide a polypropylene resin composition that is blended in a polyolefin resin to improve its surface characteristics and impart sustained water repellency and yet is low in aggregates so as not to deteriorate the visual appearance, a polyolefin resin composition containing the polypropylene resin composition, and a molded article of the polyolefin resin composition. A composition that achieves the object is a polypropylene resin composition obtained by heating and kneading a material containing (A) a polypropylene resin, (B) a polypropylene wax, (C) a polyorganosiloxane containing at least one silicon-atom-bonded alkenyl group in each molecule, and (D) an organic peroxide. 1. A polypropylene resin composition obtained by heating and kneading a material containing (A) a polypropylene resin , (B) a polypropylene wax , (C) a polyorganosiloxane containing at least one silicon-atom-bonded alkenyl group in each molecule , and (D) an organic peroxide.2. A polyolefin resin composition containing the polypropylene resin composition according to .3. A molded article obtained by molding the polyolefin resin composition according to . The present invention relates to a polypropylene resin composition with sustained water repellency, a polyolefin resin composition containing the polypropylene resin composition, and a molded article of the polyolefin resin composition. Specifically, the present invention relates to a polypropylene resin composition that is blended in a polyolefin resin to improve its surface characteristics and impart sustained water repellency and yet is low in aggregates so as not to deteriorate the visual appearance, a polyolefin resin composition containing the polypropylene resin composition, and a molded article of the polyolefin resin composition.Currently, polyolefin resins are used widely in various fields, such as automobiles, household electric appliances, stationery, films, food containers, etc. However, ...

HIGH MELT STRENGTH POLYPROPYLENE OF IMPROVED QUALITY

Use of an additive mixture containing a linear polypropylene and at least one additive in a polypropylene composition comprising said additive mixture and a branched polypropylene to reduce the gel index of said polypropylene composition. 1. A process for providing a polypropylene composition having a high melt strength , the process comprising the steps of:{'sub': 30', '30', '30', '30, '(a) providing a branched polypropylene (b-PP) having a Fmelt strength of more than 5.5 cN and a vmelt extensibility of more than 200 mm/s, wherein the Fmelt strength and the vmelt extensibility are measured according to ISO 16790:2005, wherein the branched polypropylene (b-PP) is provided by reacting a polypropylene (PP) with a thermally decomposing free radical-forming agent;'}{'sub': '2', '(b) adding to the branched polypropylene (b-PP) a linear polypropylene (l-PP) having a melt flow rate MFR(230° C.) of 1 to 18 g/10 min.'}2. The process according to claim 1 , wherein the branched polypropylene (b-PP) is provided by reacting a polypropylene (PP) with a peroxide claim 1 , and/or optionally with a bifunctionally unsaturated monomer claim 1 , obtaining thereby the branched polypropylene (b-PP).3. The process according to claim 1 , wherein step (b) is initiated when at least 80% of the reaction between the polypropylene (PP) and the thermally decomposing free radical-forming agent and optionally a bifunctionally unsaturated monomer has taken place.4. The process according to claim 1 , wherein the step (a) and (b) are accomplished in an extruder claim 1 , said extruder comprises in operation direction a first mixing zone (MZ1) and a second mixing zone (MZ2) claim 1 , wherein further the step (a) takes place in the first mixing zone (MZ1) whereas step (b) takes place in the second mixing zone (MZ2).5. The process according to claim 4 , wherein the extruder comprises in operation direction a feed-throat (FT) claim 4 , the first mixing zone (MZ1) claim 4 , the second mixing zone (MZ2) ...

POLYPROPYLENE RESIN COMPOSITION

The present invention provides a polypropylene resin composition including (A) about 60 to 80% by weight of a base resin selected from the group consisting of a high crystalline polypropylene, a propylene-ethylene copolymer, and a mixture thereof; (B) about 2 to 8% by weight of a styrene-ethylene/butene-styrene elastomer; (C) about 6 to 10% by weight of an ethylene-octene elastomer; (D) about 5 to 10% by weight of whisker; (E) about 2 to 8% by weight of talc; (F) about 1 to 3% by weight of a modified polypropylene grafted with maleic anhydride; (G) about 1 to 5% by weight of a vinyl-based acetal compatibilizer; and (H) about 1 to 3% by weight of a slipping agent containing a siloxane-based compound and an amide-based compound, with respect to the total weight of polypropylene. Polypropylene resin compositions according to the present invention can exhibit excellent physical properties such as high stiffness and impact resistance even though formed into a thin film. Hence, the polypropylene resin composition of the present invention can be effectively applied as a vehicle interior material such as a door trim, a pillar trim, a tail gate, and further can contribute to reducing weight of a vehicle. 1. A polypropylene resin composition comprising:(A) about 60 to 80% by weight of a base resin selected from the group consisting of a high crystalline polypropylene, a propylene-ethylene copolymer, and a mixture thereof;(B) about 2 to 8% by weight of a styrene-ethylene/butene-styrene elastomer;(C) about 6 to 10% by weight of an ethylene-octene elastomer;(D) about 5 to 10% by weight of whisker;(E) about 2 to 8% by weight of talc;(F) about 1 to 3% by weight of a modified polypropylene grafted with maleic anhydride;(G) about 1 to 5% by weight of a vinyl-based acetal compatibilizer; and(H) about 1 to 3% by weight of a slipping agent containing a siloxane-based compound and an amide-based compound,wherein each said % by weight is based on the total weight of the polypropylene ...

PROPYLENE POLYMER COMPOSITION AND MOLDED ARTICLE THEREOF

The present invention provides a propylene polymer molded article being high in tensile elongation and scratch resistance and a propylene polymer composition capable of affording such a molded article. Specifically, the present invention provides, in one embodiment thereof, a propylene polymer composition comprising a propylene polymer (A-1) that is a polymer having an intrinsic viscosity, as measured in tetralin at 135° C., of from 1.2 dl/g, inclusive, to 1.7 dl/g, exclusive, or a propylene polymer (A-2) that is a polymer having an intrinsic viscosity, as measured in tetralin at 135° C., of from 1.7 dl/g, inclusive, to 2.9 dl/g, inclusive, a propylene polymer (B) that is a polymer having an intrinsic viscosity, as measured in tetralin at 135° C., of from 0.5 dl/g, inclusive, to 1.1 dl/g, exclusive, and a nucleating agent.

POLYMER COMPOSITIONS COMPRISING ALGAE MATERIALS

Polymer compositions and methods of making and using the polymer compositions are provided. In a general embodiment, the present disclosure provides a composition comprising a polymer, a compatibilizer and an algae product. 1. A composition comprising:a polymeric material;a compatibilizer; andan algae product.2. The composition of claim 1 , wherein the polymeric material is selected from the group comprised of polyolefins claim 1 , polyamides claim 1 , polyesters and polyacrylates.3. The composition of claim 2 , wherein the polyolefin is selected from the group consisting of polyethylene claim 2 , polypropylene claim 2 , polybutene and other combinations of olefinic monomers selected from the group consisting of ethylene claim 2 , propylene claim 2 , butene claim 2 , butadiene claim 2 , pentene claim 2 , hexene claim 2 , octane claim 2 , styrene claim 2 , acrylates and methacrylates.4. The composition of claim 2 , wherein the polyester is selected from the group consisting of polylactic acid claim 2 , polybutylene succinate claim 2 , polybutylene adipate-co-terephthalate claim 2 , polyethylene terephthalate claim 2 , polyhydroxy alkanoate and combinations thereof.5. The composition of claim 2 , wherein the polyamide is selected from the group consisting ofpolyamide 6 claim 2 , polyamide 10 claim 2 , polyamide 4 claim 2 , 10 claim 2 , polyamide 66 claim 2 , polyamide 12 and combinations thereof.6. The composition of claim 1 , wherein the compatibilizer is selected from the group consisting of grafted or functionalized polymers including maleic anhydride grafted polypropylene claim 1 , glycidyl grafted polypropylene claim 1 , maleic anhydride grafted polyethylene claim 1 , maleic anhydride grafted polybutene and combinations thereof.7. The composition of claim 1 , wherein the compatibilizer comprises maleated polypropylene with a melt flow of about 50 to about 500 g/10 minute and maleic anhydride grafting of about 0.5 to about 10 wt %.8. The composition of claim 1 , ...

THERMOPLASTIC ELASTOMER COMPOSITION AND METHOD FOR PRODUCING THE SAME

Described are a thermoplastic elastomer composition which includes components including a polar rubber having crosslinks and optionally an olefin polymer in a highly dispersed state relative to one another and which has excellent moldability, and a method for producing such compositions. The thermoplastic elastomer composition is obtained by dynamically heat treating a carbodiimide group-containing compound (A), an olefin polymer (B) having a group reactive with a carbodiimide group, a polar rubber (C), an optional olefin polymer (D), and a crosslinking agent (E) capable of crosslinking the polar rubber (C). 1. A thermoplastic elastomer composition obtained by dynamically heat treating:a carbodiimide group-containing compound (A),an olefin polymer (B) having a group reactive with a carbodiimide group,a polar rubber (C), anda crosslinking agent (E) capable of crosslinking the polar rubber (C).2. The thermoplastic elastomer composition according to claim 1 , further comprising an olefin polymer (D).3. The thermoplastic elastomer composition according to claim 1 , comprising a reaction product (I) formed between the carbodiimide group-containing compound (A) and the olefin polymer (B) having a group reactive with a carbodiimide group.4. The thermoplastic elastomer composition according to claim 1 , wherein the polar rubber (C) comprises a polar rubber (C1) having a group reactive with a carbodiimide group.5. The thermoplastic elastomer composition according to claim 4 , wherein the polar rubber (C1) claim 4 , having a group reactive with a carbodiimide group is a polar rubber having an active hydrogen-containing group in a side chain.6. The thermoplastic elastomer composition according to claim 4 , comprising a reaction product (II) formed between the carbodiimide group-containing compound (A) and the polar rubber (C1) having a group reactive with a carbodiimide group.7. The thermoplastic elastomer composition according to claim 1 , wherein the carbodiimide group- ...

Thermoplastic Polyolefin Compositions with Ethylene-Propylene Copolymers

This invention relates to a thermoplastic polyolefin composition with (a) 45 wt % to 70 wt % of a polypropylene having 70 wt % or more units derived from propylene, having a melting point temperature of greater than 130° C. and a melt flow rate from 2 to 80 g/10 min; (b) 20 wt % to 30 wt % of a bimodal ethylene-propylene copolymer comprising: (i) 80 wt % to 90 wt % of an amorphous ethylene-propylene copolymer having about 30 wt % or more units derived from ethylene; (ii) 5 wt % to 15 wt % of a semi-crystalline ethylene-propylene copolymer having 70 wt % or more units derived from ethylene; and (iii) 1 wt % to 5 wt % of a propylene-based elastomer having within the range from 5 wt % to 25 wt % ethylene derived units and having a melting point temperature of less than 110° C. and a Mw/Mn within the range from 2.0 to 4.0. 1. A thermoplastic polyolefin composition comprising:a. about 45 wt % to about 70 wt % based on the total weight of the composition of a polypropylene having about 70 wt % or more units derived from propylene, including isotactically arranged propylene-derived sequences, having a melting point temperature of greater than 130° C. and a melt flow rate (230° C./2.16 kg) within the range from 2 g/10 min to 80 g/10 min; i. about 75 wt % to about 90 wt % based on the total weight of the ethylene-propylene copolymer of an amorphous ethylene-propylene copolymer having either no crystallinity or crystallinity derived from ethylene, having about 30 wt % or more units derived from ethylene;', 'ii. about 5 wt % to about 25 wt % based on the total weight of the ethylene-propylene copolymer of a semi-crystalline ethylene-propylene copolymer having substantial crystallinity derived from ethylene and having about 70 wt % or more units derived from ethylene; and', 'iii. about 1 wt % to about 5 wt % based on the total weight of the ethylene-propylene copolymer of a propylene-based elastomer having within the range from 5 to 25 wt % ethylene derived units and having a ...

POLYPROPYLENE COMPOSITION WITH OUTSTANDING IMPACT PERFORMANCE

The present invention is directed to a polypropylene composition (C) comprising a polypropylene matrix, a dispersed phase comprising two different elastomeric ethylene copolymers and an inorganic filler. The present invention is further directed to an article comprising said polypropylene composition (C). 1. A polypropylene composition (C) having a melt flow rate MFR(230° C. , 2.16 kg) determined according to ISO 1133 of at least 10.0 g/10 min , comprisingi) 45.0 to 80.0 wt. % of a matrix (M) comprising a propylene polymer (PP1),ii) 15.0 to 40.0 wt. % of an elastomeric fraction (E) dispersed within said matrix (M), comprisinga) a first elastomeric ethylene copolymer (E1) having an ethylene content of at least 30.0 mol %, andb) a second elastomeric ethylene copolymer (E2) having an ethylene content equal or below 30.0 mol %, andiii) an inorganic filler (F).2. The polypropylene composition (C) according to claim 1 , wherein the elastomeric fraction (E) comprises the first elastomeric ethylene copolymer (E1) and the second elastomeric ethylene copolymer (E2) in a weight ratio of 2:1 to 10:1.3. The polypropylene composition (C) according to claim 1 , comprising:i) 45.0 to 75.0 wt. % of the propylene polymer (PP1),ii) 10.0 to 40.0 wt. % of the first elastomeric ethylene copolymer (E1),iii) 0.5 to 10.0 wt. % of the second elastomeric ethylene copolymer (E2), andiv) 15.0 to 30.0 wt. % of the inorganic filler,based on the overall amount of the polypropylene composition (C).4. The polypropylene composition (C) according to claim 1 , wherein the propylene polymer (PP1):i) is a propylene homopolymer (H-PP1) and/or{'sub': '2', 'ii) has a melt flow rate MFR(230° C., 2.16 kg) determined according to ISO 1133 in the range of 20.0 to 200.0 g/10 min.'}5. The polypropylene composition (C) according to claim 1 , wherein the first elastomeric ethylene copolymer (E1) is a copolymer of ethylene and a C4 to C20 α-olefin.6. The polypropylene composition (C) according to claim 5 , wherein ...

TRANSITION METAL COMPLEXES, CATALYST COMPOSITIONS INCLUDING THE SAME, AND METHOD FOR PREPARING POLYOLEFINS THEREWITH

The present invention relates to a transition metal complex that exhibits high activity in the polymerization reaction of olefin monomers and improved copolymerization activity, thus enabling the preparation of a low density, high molecular weight polyolefin, a catalyst composition including the same, and a method for preparing a polyolefin using the composition. 2. The transition metal complex according to claim 1 , wherein M is titanium (Ti) claim 1 , zirconium (Zr) claim 1 , or hafnium (Hf) claim 1 , and Qand Qare each independently a halogen or a C1-10 alkyl group.3. The transition metal complex according to claim 1 , wherein Rto Rare each independently hydrogen claim 1 , a C1-10 alkyl group claim 1 , a C2-10 alkenyl group claim 1 , a C2-10 alkynyl group claim 1 , a C1-20 alkoxy group claim 1 , a C6-20 aryl group claim 1 , a C3-20 cycloalkyl group claim 1 , a C7-20 alkylaryl group claim 1 , or a C7-20 arylalkyl group; and{'sup': 1', '3, 'Xto Xare each independently hydrogen, a halogen, a C1-10 alkyl group, a C2-10 alkenyl group, a C2-10 alkynyl group, a C1-20 alkoxy group, a C6-20 aryl group, a C3-20 cycloalkyl group, a C7-20 alkylaryl group, or a C7-20 arylalkyl group.'}4. The transition metal complex according to claim 1 , wherein Rto Rare each independently hydrogen or a C1-10 alkyl group; and{'sup': 1', '3, 'Xto Xare each independently a halogen, a C1-10 alkyl group, a C3-20 cycloalkyl group, or a C6-20 aryl group.'}6. A catalyst composition for olefin polymerization comprising the transition metal complex represented by Chemical Formula 1 of and a cocatalyst.7. A method for preparing a polyolefin comprising the step of polymerizing olefin monomers in the presence of the catalyst composition for olefin polymerization of . This application claims the benefits of Korean Patent Application No. 10-2015-0146840 filed on Oct. 21, 2015 with the Korean Intellectual Property Office, the disclosure of which is herein incorporated by reference in its entirety.The ...

POLYPROPYLENE COMPOSITIONS

The present disclosure generally relates to a heterophasic polypropylene composition comprising 68-76% by weight of a propylene homopolymer or copolymer matrix, 24-32% by weight of an ethylene-propylene copolymer, and a nucleating agent. In some embodiments, the composition has an intrinsic viscosity of the xylene soluble (XSIV) fraction at room temperature of up to 1.3 dl/g and a melt flow rate (230° C., 2.16 kg) of 30 to 70 g/10 min. The compositions disclosed herein can be used in molded articles, using techniques such as thin wall injection molding, that are endowed with excellent impact behavior. 1. A propylene polymer composition comprising:(a) 68-76 wt. %, based upon the total weight of components (a) to (c), of a first polymer component comprising a propylene homopolymer or a copolymer of propylene, wherein the propylene copolymer contains up to 1.2 wt. %, of ethylene derived units;(b) 24-32 wt. %, based upon the total weight of components (a) to (c), of a second polymer component comprising a copolymer comprising 72 to 86 wt. % ethylene derived units and 14 to 28 wt. % propylene derived units; and 'wherein the polypropylene composition has an intrinsic viscosity of the xylene soluble fraction (XSIV) at room temperature of up to 1.3 dl/g and a melt flow rate (MFR), measured at 230° C. and 2.16 kg, from 30 to 70 g/10 min.', '(c) a nucleating agent;'}2. The propylene polymer composition of claim 1 , wherein the nucleating agent is present in amount from 0.01 to 2% by weight claim 1 , based upon the total weight of components (a) to (c).4. A process for the preparation of the polyolefin compositions of claim 1 , comprising at least two sequential polymerization stages claim 1 , with each subsequent polymerization being conducted in the presence of the polymeric material formed in the immediately preceding polymerization reaction claim 1 , wherein the polymerization stage of propylene to the polymer component (a) is carried out in at least one stage claim 1 , ...

POLYOLEFIN COMPOSITION WITH REDUCED ODOR AND FOGGING

A polyolefin composition made from or containing (A) at least one polyolefin, (B) up to 50.0% by weight of a filler, and (C) from 0.05 to 2.5% by weight of at least one cyclodextrin, wherein the sum of (A)+(B)+(C) is equal to 100 weight percent, based on the total weight of the polyolefin composition. 1. A polyolefin composition comprising:(A) at least one polyolefin;(B) up to 50.0% by weight of a filler; and(C) from 0.05 to 2.5% by weight of at least one cyclodextrin, the sum (A)+(B)+(C) being 100.2. The polyolefin composition according to comprising:(A) at least one polyolefin;(B) from 3.0 to 40.0% by weight of a filler; and(C) from 0.1 to 2.5% by weight of at least one cyclodextrin, the sum (A)+(B)+(C) being 100.3. The polyolefin composition according to comprising:(A) at least one polyolefin;(B) from 5.0 to 38.0% by weight of a filler; and(C) from 0.2 to 2.0% by weight of at least one cyclodextrin, the sum (A)+(B)+(C) being 100.4. The polyolefin composition according to claim 1 , wherein component (A) comprises a polypropylene.5. The polyolefin composition according to claim 1 , wherein the cyclodextrin is β-cyclodextrin claim 1 , methylated β-cyclodextrin or a mixture thereof.6. The polyolefin composition according to claim 1 , wherein the filler (B) is talc.7. The polyolefin composition according to claim 1 , wherein the filler (B) is glass fibers.8. The polyolefin composition according to further comprising a compatibilizer.9. The polyolefin composition according to claim 8 , wherein the compatibilizer is a propylene polymer grafted with maleic anhydride.10. A molded article prepared from the composition according to .11. The molded article according to claim 10 , being an automotive article.12. A process for injection molding comprising the step of:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'molding the polyolefin composition according to .'} In general, the present disclosure relates to the field of chemistry. More specifically, the present ...

COMPOSITE RESIN COMPOSITION

Provided is a composite resin composition to be used as a material for a molded article produced by a molding machine. The composite resin composition includes a main ingredient resin and a fibrous filler and the fiber length direction end of the fibrous filler is defibrated. The length of the defibrated portion is 5% or more and 50% or less of the fiber length of the entire fibrous filler The fiber diameter in the defibrated portion of the fibrous filler is 1/1000 or more and 1/10 or less the fiber diameter in the undefibrated portion. The modulus of elasticity of the fibrous filler is higher than the modulus of elasticity of the main ingredient resin and the difference between these moduli of elasticity is within 20 GPa. 1. A composite resin composition being used as a raw material for a molded article produced by a molding machine , and comprising a main ingredient resin and a fibrous filler ,wherein the fiber length direction end of the fibrous filler is defibrated;the length of the defibrated portion is 5% or more and 50% or less of the fiber length of the entire fibrous filler;the fiber diameter in the defibrated portion of the fibrous filler is 1/1000 or more and 1/10 or less the fiber diameter in the undefibrated portion; andthe modulus of elasticity of the fibrous filler is higher than the modulus of elasticity of the main ingredient resin, and the difference between these moduli of elasticity is within 20 GPa.2. The composite resin composition according to claim 1 , wherein voids are present in the interface between the resin and the fibrous filler claim 1 , and the volume of the voids is 10% or less of the volume of the fibrous filler.3. The composite resin composition according to claim 1 , wherein the fibrous filler is a natural fiber made of cellulose or the like.4. The composite resin composition according to claim 1 , wherein the main ingredient resin is an olefin resin.5. A pellet comprising the composite resin composition according to .6. The ...

Starch-Polymer-Oil Compositions, Methods Of Making And Using The Same

Compositions comprising thermoplastic starch, thermoplastic polymers, and oils, waxes, or combinations thereof are disclosed, where the oil, wax, or combination is dispersed throughout the thermoplastic polymer. Also disclosed are methods of making these compositions. 1. A thermoplastic polymer composition comprising an intimate admixture of(a) a thermoplastic starch;(b) a thermoplastic polymer; and(c) an oil, wax, or combination thereof present in an amount of about 5 wt % to about 40 wt %, based upon the total weight of the composition, wherein said oil, wax, or combination thereof is dispersed within the composition such that the oil, wax, or combination thereof has a droplet size of less than 10 μm within the composition.2. The composition of claim 1 , wherein the thermoplastic polymer comprises a polyolefin claim 1 , a polyester claim 1 , a polyamide claim 1 , copolymers thereof claim 1 , or combinations thereof.3. The composition of claim 2 , wherein the thermoplastic polymer is selected from the group consisting of polypropylene claim 2 , polyethylene claim 2 , polypropylene co-polymer claim 2 , polyethylene co-polymer claim 2 , polyethylene terephthalate claim 2 , polybutylene terepthalate claim 2 , polylactic acid claim 2 , polyhydroxyalkanoates claim 2 , polyamide-6 claim 2 , polyamide-6 claim 2 ,6 claim 2 , and combinations thereof.4. The composition of claim 1 , wherein the thermoplastic polymer comprises polypropylene.5. The composition of claim 4 , wherein the polypropylene has a molecular weight of about 20 kDa to about 400 kDa.6. The composition of claim 4 , wherein the polypropylene has a melt flow index of greater than 5 g/10 min.7. The composition of claim 6 , wherein the polypropylene has a melt flow index of greater than 10 g/10 min.8. The composition of claim 1 , comprising about 20 wt % to about 90 wt % of the thermoplastic polymer claim 1 , based upon the total weight of the composition.9. The composition of claim 8 , comprising about 30 wt % ...

MOULDED ARTICLE WITH LOW WARPAGE

Use of a composition comprising a propylene homopolymer; a non-spherical reinforcing material, phyllosilicate, and compatibilizer to reduce the warpage of injection molded articles. 1. A moulded article comprising a composition (Co) , wherein said composition (Co) comprises{'sub': '2', '(a) a propylene homopolymer (H-PP) having a melt flow rate MFR(230° C.) measured according to ISO 1133 of at least 5.0 g/10 min;'}(b) a non-spherical reinforcing material (RF);(c) a phyllosilicate (P); and(d) a compatibilizer (C).2. The moulded article according to claim 1 , wherein said moulded article comprises based on the total amount of the moulded article at least 85 wt.-% of the composition (Co).3. The moulded article according to claim 1 , wherein the moulded article and/or the composition (Co) has/have a melt flow rate MFR(230° C.) measured according to ISO 1133 of at least 3.0 g/10 min.4. The moulded article according to claim 1 , wherein the moulded article and/or the composition (Co) has/have(a) a flexural modulus measured according to ISO 178 of at least 4000 MPa;and/or(b) a tensile strength measured according to ISO 527-2 of at least 52 MPa;and/or{'sup': '2', '(c) an Izod impact strength (23° C.) measured according to ISO 180 of at least 4.6 kJ/m.'}5. The moulded article according to claim 1 , wherein the homopolmyer (H-PP)(a) has a melting temperature measured according to ISO 11357-3 of at least 150° C.;and/or(b) is α-nulceated.6. The moulded article according to claim 1 , wherein the non-spherical reinforcing material (RF) has an aspect ratio from 5 to 400 claim 1 , wherein optionally the reinforcing material (RF) has(a) a length from 0.1 to 3.0 mm;and/or(b) a diameter from 8 to 20 μm.7. The moulded article according to claim 1 , wherein the non-spherical reinforcing material (RF) is selected from the group consisting of glass fibre (GF) claim 1 , carbon fibre (CF) claim 1 , and wollastonite (WL).8. The moulded article according to claim 1 , wherein the ...

POLYOLEFIN COMPOSITION

The present disclosure relates to a polyolefin composition comprising: 1. A polyolefin composition comprising:{'sup': 'a', 'a) 40.0-58.5 wt % of a propylene homopolymer having a fraction insoluble in xylene at 25° C. higher than 96 wt % and a melt flow rate (MFRISO Method 1133 (230° C. and 2.16 kg)) of 95.0-200.0 g/10 min;'}b) 21.0-30.0 wt % of a copolymer of ethylene and propylene having an amount of recurring units deriving from ethylene ranging from 35.0-60.0 wt % and a polymer fraction soluble in xylene at 25° C. of component a)+component b) having an intrinsic viscosity value of 3.1-4.2 dl/g; andc) 20.5-30.0 wt % of ethylene homopolymer;{'sup': T', 'a', 'T', 'a', 'T, 'wherein composition has a melt flow rate (MFRISO Method 1133 (230° C. and 2.16 kg)) ranging from 9.0-30.0 g/10 min, and the ratio between the MFR of component a) MFRand the MFR of the total composition MFRMFR/MFRis 5.0-15.0.'}2. The polyolefin composition of claim 1 , wherein component a) ranges from 45.0-58.0 wt % claim 1 , component b) ranges from 21.5-27.5% claim 1 , and component c) ranges from 20.5-27.5%.3. The polyolefin composition of wherein in component b) the amount of recurring units deriving from ethylene ranges from 38.0 wt %-55.0 wt %.4. The polyolefin composition of claim 1 , wherein the ratio between the MFR of component a) MFRand the MFR of the total composition MFRMFR/MFRis from 6.0 and 10.0.5. The polyolefin composition of claim 1 , wherein the flexural modulus value is from 800-1400 MPa.6. The polyolefin composition of claim 1 , wherein the gloss of the composition is lower than 22%.7. The polyolefin composition of claim 1 , wherein the carbon emission values claim 1 , measured according to VDA 227 (C-emission) claim 1 , are lower than 25.0 μg C/g. The present disclosure relates to polyolefin compositions comprising a heterophasic propylene/ethylene copolymer and polyethylene for, in some embodiments, automotive interior elements characterized by low oligomer emissions and low ...

Green Reinforced Composite Materials

Tomato and/or potato waste particle, flake and/or fiber reinforced composite material. Factory waste material from tomato or potato processing is dried, ground, optionally treated with a coupling agent and blended with a matrix material to form composite material. 1. A composite material comprisinga matrix material reinforced with tomato waste particulate material repurposed from factory waste.2. The composite material of claim 1 , wherein the matrix comprises polymer material.3. The composite material of claim 1 , wherein the matrix comprises at least one of polyethylene and polypropylene polymer.4. The composite material of claim 1 , wherein the particulate material comprises fibers claim 1 , flakes claim 1 , particles claim 1 , or mixtures thereof.5. The composite material of claim 1 , wherein the particulate material has a size less than 5 millimeters.6. The composite material of claim 1 , wherein the particulate material has a size less than 2 millimeters.7. (canceled)8. The composite material of claim 1 , wherein the tomato waste is tomato pomace.9. The composite material of claim 1 , in the form of food packaging.10. The composite material of claim 9 , wherein the food packaging comprises at least one of a meal tray claim 9 , packaging closure claim 9 , rigid container claim 9 , or flexible film.11. A method of making a composite material comprising:drying and grinding tomato waste reinforcing particulate material,blending the dried and ground particulate material with a matrix material, andforming the blended material into predetermined shape.12. The method of claim 11 , wherein the particulate material is treated with a coupling agent after drying and grinding.13. The method of claim 11 , wherein the matrix material is a polymer material.14. The method of claim 11 , wherein the matrix material comprises at least one of a polyethylene and polypropylene polymer.15. The method of claim 11 , wherein the particulate material comprises fibers claim 11 , flakes ...

PRODUCTION OF BLEND OF POLYOLEFIN AND ORGANOPOLYSILOXANE

A process for the production of a polymer composition is disclosed. The polymer composition comprises an organopolysiloxane dispersed in a thermoplastic organic polymer liable to thermo-radical degradation or cross-linking when subjected to a high compounding energy at a temperature above its melting point. In a first step (I), a thermoplastic organic polymer and an organopolysiloxane are mixed at a temperature at which both the thermoplastic organic polymer and the organopolysiloxane are in liquid phases to form a masterbatch. In a second step (II), the masterbatch is mixed with further thermoplastic organic polymer to form a polymer composition having a lower concentration of organopolysiloxane than that in the masterbatch. In the first step (I), the thermoplastic organic polymer and the organopolysiloxane are mixed in the presence of an additive capable of inhibiting the thermo-radical degradation or cross-linking of the thermoplastic organic polymer. The organopolysiloxane of the masterbatch remains stable during processing. 1. A process for the production of a polymer composition comprising an organopolysiloxane dispersed in a thermoplastic organic polymer , wherein:(I) thermoplastic organic polymer and organopolysiloxane are mixed at a temperature at which both the thermoplastic organic polymer and the organopolysiloxane are in liquid phases to form a masterbatch; and(II) the masterbatch is mixed with further thermoplastic organic polymer to form a polymer composition having a lower concentration of organopolysiloxane than that in the masterbatch;wherein in (I) the thermoplastic organic polymer and the organopolysiloxane are mixed in the presence of an additive capable of inhibiting the thermo-radical degradation or cross-linking of the thermoplastic organic polymer.2. The process according to claim 1 , wherein the additive is an antioxidant.3. The process according to claim 1 , wherein the additive is a sterically hindered phenolic antioxidant.4. The process ...

POLYPROPYLENE RESIN COMPOSITION

Provided is a polypropylene resin composition. The polypropylene resin composition includes: from about 20 to about 80 parts by weight of a polypropylene resin; from about 1 to about 35 parts by weight of an amine-based kenaf master batch; and from about 1 to about 25 parts by weight of a vinyl-based acetal compatibilizer. Also disclosed is the polypropylene resin composition which is used for vehicle interior and exterior materials, thereby improving physical properties such as low-temperature properties and tensile strength and providing superior resistance against damages. 1. A polypropylene resin composition comprising:from about 20 to about 80 parts by weight of a polypropylene resin;from about 1 to about 35 parts by weight of an amine-based kenaf master batch; andfrom about 1 to about 25 parts by weight of a vinyl-based acetal compatibilizer, with respect to 100 parts by weight of the polypropylene resin.2. The polypropylene resin composition of claim 1 , wherein the amine-based kenaf master batch includes from about 60 to about 70 parts by weight of a base resin claim 1 , from about 1 to about 10 parts by weight of an amine-based compatibilizer including an amine group claim 1 , and from about 20 to about 40 parts by weight of kenaf claim 1 , with respect to 100 parts by weight of the amine-based kenaf master batch.3. The polypropylene resin composition of claim 2 , wherein the base resin is polypropylene claim 2 , low density polyethylene (LDPE) claim 2 , or a combination thereof.4. The polypropylene resin composition of claim 2 , further comprising from about 0.1 to about 1 parts by weight of an additive claim 2 , with respect to 100 parts by weight of the amine-based kenaf master batch.5. The polypropylene resin composition of claim 4 , further comprising from about 1 to about 35 parts by weight of an elastomer grafted with from about 0.1 to about 5.0 parts by weight of maleic anhydride claim 4 , with respect to 100 parts by weight of the elastomer.6. The ...

COMPOSITE COMPRISING A CELLULOSE-BASED FILLER

Composite comprising a heterophasic propylene copolymer (HECO), a high density polyethylene, a cellulose-based filler and a compatibilizer. 1. A composite comprising(a) 32 to 89 wt.-%, based on the total weight of the composite, of a heterophasic propylene copolymer (HECO) comprising a (semicrystalline) polypropylene (PP) as a matrix in which an elastomeric propylene copolymer (EC) is dispersed;{'sup': '3', '(b) 5.0 to 40 wt.-%, based on the total weight of the composite, of a high density polyethylene (HDPE) having a density in the range of 935 to 970 kg/m;'}(c) 5.0 to 30 wt.-%, based on the total weight of the composite, of a cellulose-based filler (CF); and(d) 1.0 to 8.0 wt.-%, based on the total weight of the composite, of an adhesion promoter (AP),wherein the composite does not comprise(i) a further heterophasic propylene copolymer different to the heterophasic propylene copolymer (HECO) and(ii) a further (semicrystalline) polypropylene different to the (semicrystalline) polypropylene (PP) of the matrix of the heterophasic propylene copolymer (HECO).2. The composite according to consisting of(a) 32 to 89 wt.-%, based on the total weight of the composite, of a heterophasic propylene copolymer (HECO) comprising a (semicrystalline) polypropylene (PP) as a matrix in which an elastomeric propylene copolymer (EC) is dispersed;{'sup': '3', '(b) 5.0 to 40 wt.-%, based on the total weight of the composite, of a high density polyethylene (HDPE) having a density in the range of 935 to 970 kg/m;'}(c) 5.0 to 30 wt.-%, based on the total weight of the composite, of the cellulose-based filler (CF);(d) 1.0 to 8.0 wt.-%, based on the total weight of the composite, of an adhesion promoter (AP), and(e) optionally, one or more of alpha nucleating agents (NU) or additives (A).3. The composite according to consisting of(a) 32 to 89 wt.-%, based on the total weight of the composite, of a heterophasic propylene copolymer (HECO) comprising a (semicrystalline) polypropylene (PP) as a ...

POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR

Polyolefin compositions suitable for injection molded items e.g. for impact bumpers and car interiors comprising from 30% to 90% by weight of an heterophasic propylene polymer composition (A); and from 10% to 70% by weight of a multimodal ethylene/butene-1 copolymer (B); having density from 0.850 to 0.935 g/cm, total comonomer content from 6% to 30% by weight, Mw/Mn from 4 to 20; intrinsic viscosity in decalin at 135° C. from 1.0 to 4.0 dL/g, and comprising an HDPE fraction (HDPE % wt) up to 30% wt; further comprising from 0 to 50% by weight of a filler (C) and optionally, in amount up to 10% by weight with respect to the overall composition, an impact modifier masterbatch component D consisting of an ultra-soft heterophasic copolymer component. 1. A polyolefin composition comprising: [{'sub': 4', '10, 'a1) from 20% to 90% by weight of a propylene homopolymer or of a copolymer of propylene or blends thereof, containing 8% by weight or less of copolymerized ethylene or C-Cα-olefin(s) or blends thereof, said homopolymer or copolymer or blends having an isotactic index higher than 80%,'}, {'sub': 4', '10, 'a2) from 10% to 80% by weight of a copolymer of ethylene containing from 40% to 70% by weight of copolymerized propylene or C-Cα-olefin(s) or of combinations thereof;'}, 'said composition A having intrinsic viscosity of the xylene soluble fraction at room temperature of from 1.5 to 8 dl/g;, 'A) from 30% to 90% by weight of a propylene polymer composition comprising [{'sup': '3', 'i) density comprised in the range from 0.850 to 0.935 g/cmas measured according to ISO1183-1::2004;'}, 'ii) total butene-1 comonomer content ranging from 6% to 30% by weight;', 'iii) Mw/Mn comprised from 4 to 20;', 'iv) intrinsic viscosity, as determined in decalin at 135° C. according to EN IS0 1628-312003, comprised between 1.0 and 4.0 dL/g,, 'B) from 10% to 70% by weight of a multimodal ethylene copolymer with butene-1 as comonomer having the following propertiesand comprising an HDPE ...

PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS

A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene (co)polymer fraction insoluble in xylene at 25° C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25° C., said process comprising: 4. The process according to claim 1 , wherein the catalyst component (a) has an average particle size ranging from 15 to 80 μm.5. The process according to claim 1 , wherein the succinate is present in amount ranging from 45 to 90% by mol with respect to the total amount of internal donors.6. The process according to claim 1 , wherein step (i) is carried out in liquid propylene.8. The molded article according to claim 7 , being a container for storing food in a refrigerator. The present invention relates to a polymerization process for the preparation of heterophasic propylene polymer compositions and to molded articles obtained thereby having good impact resistance.Impact-resistant heterophasic propylene polymer compositions are well known in the art. Typically, they comprise a relatively high crystalline propylene polymer fraction mostly insoluble in xylene at 25° C., and a relatively low crystallinity copolymer fraction being highly soluble in xylene at 25° C. The relatively high crystallinity fraction is generally a propylene homopolymer, or a random propylene copolymer with a relatively low amount of olefin comonomer, characterized by high isotacticity. The relatively low crystallinity fraction is generally a propylene copolymer and particularly a propylene-ethylene copolymer having a content of ethylene ranging from 15 to 75% by weight. Those heterophasic compositions can be prepared by several methods, including the mechanical blend of the two components. The preferred method, however, is the preparation in-reactor by a sequence of polymerization step carried out in one or two reactors. Usually, in a first step propylene is polymerized alone or copolymerized with a small amount of ...

METHOD OF MANUFACTURING A RESIN COMPOSITION

A method of manufacturing a resin composition is provided. The resin composition includes: 100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin; 1 part to 20 parts by mass of (C) an admixture; and 0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid, a higher fatty acid metal salt, and a higher fatty acid ester. A proportion Xof the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass %. The method includes a step of melt-kneading the whole component (B), the whole component (C), and 15 mass % to 100 mass % of the component (D) to obtain kneaded material, and a step of adding the whole component (A) and the rest of the component (D). 1. A method of manufacturing a resin composition including 100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin , 1 part to 20 parts by mass of (C) an admixture , and 0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid , a higher fatty acid metal salt , and a higher fatty acid ester , wherein when the resin composition is dissolved in chloroform , a proportion Xof the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass % , the method comprising:a first step of melt-kneading the whole component (B), the whole component (C), and 15 mass % to 100 mass % of the component (D) to obtain kneaded material; anda second step of adding the whole component (A) and the rest of the component (D) (except in the case where the whole component (D) is added in the first step to the kneaded material obtained in the first step, and melt-kneading them.3. The method of manufacturing a resin composition according to claim 1 ,wherein a content of the component (A) is 30 parts to 98 parts by mass with respect to 100 parts by mass of ...

HETEROPHASIC POLYPROPYLENE COMPOSITION WITH IMPROVED BALANCE OF PROPERTIES

The present invention is directed to a heterophasic polypropylene composition having an improved balance of desirable properties, i.e. high stiffness, high toughness, and high transparency. The heterophasic polypropylene composition of the present invention comprises 60.0 to 95.0 wt % of a crystalline propylene homopolymer with a melting temperature Tmeasured by differential scanning calorimetry of higher than 155° C., 5.0 to 20.0 wt % of an elastomeric ethylene-propylene rubber, and at least one polymeric nucleating agent, wherein the crystalline propylene homopolymer (H-PP) and the elastomeric ethylene-propylene rubber (EPR) have been produced in the presence of a single-site catalyst, wherein the heterophasic polypropylene composition is characterized by a soluble fraction determined in 1,2,4-trichlorobenzene at 40° C. in the range of 5.0 to 20.0 wt %, and wherein the soluble fraction has an ethylene in content in the range of 12.0 to 40.0 wt %. The present invention is further directed to a process for the preparation of the heterophasic polypropylene composition comprising polymerizing propylene in at least three polymerization steps in the presence of a single-site catalyst, wherein the at least one polymeric nucleating agent is introduced either as a master batch by a compounding step or via a prepolymerization step prior to the first polymerization step. The present invention is further directed to an article obtained by extrusion of the heterophasic polypropylene composition, and to a packaging article comprising the extruded article. Finally, the present invention is directed to the use of the heterophasic polypropylene composition for the production of extruded articles such as films or sheets. 115-. (canceled)16. A heterophasic polypropylene composition (HECO) comprising a matrix phase (M) and an elastomeric phase dispersed therein , wherein the polypropylene composition comprises{'sub': 'm', '(A) 60.0 to 95.0 wt %, based on the total weight of the ...

POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE

A polypropylene composition made from or containing 1. A polypropylene composition comprising:(i) component (1) comprising a propylene homopolymer or copolymer containing 0 to 0.5% by weight of an ethylene-derived unit, based upon the total weight of the propylene homopolymer or copolymer;(ii) component (2) comprising an ethylene/propylene copolymer containing 15 to 30% by weight of an ethylene-derived unit, based upon the total weight of the ethylene/propylene copolymer; and(iii) 0.01 to 1.0 parts by weight of a crystal nucleating agent based on a total of 100 parts by weight of component (1) and component (2); 1) the Mw/Mn value of xylene insolubles (XI) of the polypropylene composition as measured by GPC is in the range of 6 to 20,', '2) the weight ratio of component (1) to component (2) is in the range of 82:18 to 90:10,', '3) the intrinsic viscosity of xylene solubles (XSIV) of the polypropylene composition is in the range of 2.5 to 3.4 dl/g, and', '4) the MFR (at 230° C. under a load of 2.16 kg) of the polypropylene composition is in the range of 3 to 10 g/10 min., 'wherein'}2. The polypropylene composition according to claim 1 , wherein components (1) and (2) are polymers obtained by polymerizing propylene and ethylene using a catalyst comprising:(a) a solid catalyst comprising magnesium, titanium, a halogen, and an electron donor compound selected from succinate-based compounds,(b) an organoaluminum compound, and optionally(c) an external electron donor compound.3. The polypropylene composition according to claim 1 , wherein the crystal nucleating agent is selected from the group consisting of phosphoric ester-based nucleating agents claim 1 , triaminobenzene derivative-based nucleating agents claim 1 , and combinations thereof.4. The polypropylene composition according to claim 1 , further comprising not more than 2 parts by weight of a plate-like inorganic filler based on a total of 100 parts by weight of component (1) and component (2).5. An injection- ...

POLYPROPYLENE BASED COMPOSITION WITH IMPROVED PAINTABILITY

The present invention relates to a polypropylene based composition comprising:(A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer;(B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/mto 900 kg/m; and(D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230° C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.0 g/10 min to 20 g/10 min, an article comprising said polypropylene based composition and the use of said terpolymer (B) for reducing the paint adhesion failure of an article comprising said polypropylene based composition. 1. A polypropylene based composition comprising:(A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer;(B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.;{'sup': 3', '3, '(C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/mto 900 kg/m; and'}(D) from 5.0 to 25.0 wt % of an inorganic filler,wherein the amounts of components (A), (B), (C), and ...

Optical sensor

An optically transparent matrix including a molecule containing a hydroxyazobenzene group or its derivative embedded in the matrix. An optical system including the optically transparent matrix, an isomerizing light source, and means for measuring absorbance changes from the optically transparent matrix. A method for measuring the quantity of hydrogen bonding gaseous molecules.

POLYOLEFIN COMPOSITION WITH REDUCED OCCURRENCE OF FLOW MARKS

The invention relates to a novel polyolefin composition having a reduced occurrence of flow marks especially at high injection speeds. The novel polyolefin compositions comprise a heterophasic polypropylene composition, ethylene/propylene elastomer and an inorganic filler. 1. Polyolefin composition comprising:a. 35-90 wt %, based on the weight of the polyolefin composition, of a heterophasic polypropylene composition comprising:{'sub': '2', 'i. 10-50 wt %, based on the weight of the heterophasic polypropylene composition, of a first polypropylene (PP1) having an MFRmeasured according to ISO 1133 of from 30-80 g/10 min (230° C., 2.16 kg),'}{'sub': '2', 'ii. 20-65 wt %, based on the weight of the heterophasic polypropylene composition, of a second polypropylene (PP2) having an MFRmeasured according to ISO 1133 of from 100-250 g/10 min (230° C., 2.16 kg),'}{'sub': 'XS1', 'iii. 5-30 wt %, based on the weight of the heterophasic polypropylene composition of a first xylene cold soluble fraction (XS1) having an intrinsic viscosity IVof 2.0-3.0 dl/g,'}{'sub': 'XS2', 'iv. 5-25 wt %, based on the weight of the heterophasic polypropylene composition of a second xylene cold soluble (XS2) fraction having an intrinsic viscosity IVof 1.5-2.8 dl/g,'}{'sub': Xsi', 'XS2, 'with the proviso that IV≠IV,'}b. 5-40 wt %, based on the weight of the polyolefin composition, of an inorganic filler, andc. 5-25 wt %, based on the weight of the polyolefin composition, of an ethylene/propylene elastomer.2. Polyolefin composition according to claim 1 , wherein the ethylene/propylene elastomer has a density of from 865-881 kg/m3. Polyolefin composition according to claim 1 , wherein the ethylene/propylene elastomer has an MFRmeasured according to ISO 1133 of from 1-7 g/10 min (230° C. claim 1 , 2.16 kg) and/or a polydispersity index (PDI)>6.4. Polyolefin composition according to claim 1 , wherein the inorganic filler is selected from the group consisting of talc and wollastonite.5. Polyolefin ...

HETEROPHASIC POLYPROPYLENE WITH IMPROVED IMPACT STRENGTH/STIFFNESS BALANCE, IMPROVED POWDER FLOWABILITY, REDUCED EMISSIONS AND LOW SHRINKAGE

Heterophasic polypropylene composition with improved impact strength/stiffness balance and with high flowability, reduced emissions and low shrinkage, and its use. 2. A heterophasic polypropylene composition according to claim 1 , wherein the ratio of MFR/MFRis ≦0.5.3. A heterophasic polypropylene composition according to claim 1 , having a crystalline polypropylene content with a melting point (T) from DSC analysis according ISO 11357 in the range of 160 to 170° C. and optionally a crystalline polyethylene content with a melting point from DSC analysis according ISO 11357 in the range of 105 to 130° C.4. A heterophasic polypropylene composition according to claim 1 , comprising either a flexural modulus determined according to ISO 178 (FM) on an injection moulded specimen of 80×10×4 mmin the range of 500 to 1100 MPa or a tensile modulus (TM) measured at 23° C. according to ISO 527-1 (cross head speed 1 mm/min) in the range of 500 to 1100 MPa and furthermore by a Charpy notched impact strength (NIS) determined according to ISO 179 1eA at 23° C. on an injection moulded specimen of 80×10×4 mmof at least 10.0 kJ/m.5. A heterophasic polypropylene composition according to claim 1 , having a total comonomer content defined as the sum of contents of ethylene and α-olefins with 4-10 carbon atoms in the range of 6.0 to 26.0 wt %.6. A heterophasic polypropylene composition according to claim 1 , comprising at least two glass transition points (T) as determined by dynamic-mechanical thermal analysis according ISO 6721-7 claim 1 , with one T(T(1)) associated to the crystalline isotactic propylene homopolymer matrix being in the range of −4 to 4° C. and another T(T(2)) associated to the predominantly amorphous propylene copolymer being in the range of −60 to −35° C.7. A heterophasic polypropylene composition according to claim 1 , comprising a Charpy notched impact strength determined according to ISO 179 1 eA at −20° C. on an injection moulded specimen of 80×10×4 mmin the range ...

POLYOLEFIN-NATURAL FIBER COMPOSITE COMPOSITION FOR EXTRUSION MOLDING

The present disclosure relates to a polyolefin-natural fiber composite composition for extrusion molding, and more particularly to a polyolefin-natural fiber composite composition, which comprises polyolefin resin, natural fiber, thermoplastic elastic rubber and an anhydrous maleic acid-grafted polypropylene-based compatibilizer, and is useful as a material for an extrusion molded article by obtaining an effect of improving dimensional stability, mechanical properties and surface quality through adjusting three-dimensional structure and particle size of the polypropylene-based compatibilizer and binding rate of the maleic acid. 1. A polyolefin-natural fiber composite composition comprising:polyolefin resin in 20 to 95 wt %;natural fiber in 3 to 40 wt %;thermoplastic elastic rubber in 1 to 30 wt %; anda polypropylene-based compatibilizer, whose main chain is atactic polypropylene and whose diameter is 0.5 to 200 μm, and which is grafted with anhydrous maleic acid of 2 to 10 wt %, in 1 to 10 wt %.2. The polyolefin-natural fiber composite composition of claim 1 , wherein the polyolefin resin is at least one selected from the group consisting of: a homopolymer selected from the group consisting of homo-polyethylene and homo-polypropylene; a random copolymer copolymerized from a comonomer selected from the group consisting of ethylene claim 1 , propylene claim 1 , butylene and octene; and a block copolymer wherein ethylene-propylene rubber is blended with the homopolymer.3. The polyolefin-natural fiber composite composition of claim 1 , wherein the natural fiber is at least one selected from the group consisting of kenaf claim 1 , flax claim 1 , hemp claim 1 , jute claim 1 , abaca claim 1 , bamboo claim 1 , coir claim 1 , pineapple claim 1 , ramie claim 1 , sisal and henequen.4. The polyolefin-natural fiber composite composition of claim 1 , wherein the thermoplastic elastic rubber is a copolymer copolymerized from ethylene and a-olefin having a carbon number of 3 to 10 ...

REINFORCED POLYPROPYLENE COMPOSITION

Embodiments of the invention provide a reinforced polypropylene comprising a multi-modal molecular weight distribution elastomer and a block composite. 1. A composition comprising:polypropylene; and,a multi-mode molecular weight distribution elastomer;a block composite; and,optionally, a filler.2. The composition of wherein the multi-mode molecule weight distribution elastomer has a high molecular weight fraction and a low molecular weight fraction.3. The composition of wherein the high molecular weight fraction has a molecular weight of 75 kg/mol to 600 kg/mol.4. The composition of wherein the low molecular weight fraction has a molecular weight of 5 kg/mol to 50 kg/mol.5. The composition of wherein the high molecular weight fraction has a comonomer content that is at least 10% wt greater than that of the low molecular weight fraction. This invention relates to a reinforced polypropylene composition comprising an elastomer and a block composite.Many different polymers and materials have been added to polymer compositions in attempting to enhance the composition's impact strength or maintain the impact strength while enhancing other properties. For example, U.S. Pat. No. 5,118,753 (Hikasa et al.), incorporated herein by reference, discloses thermoplastic elastomer compositions said to have low hardness and excellent flexibility and mechanical properties consisting essentially of a mixture of an oil-extended olefinic copolymer rubber and an olefinic plastic. The olefinic plastic is polypropylene or a copolymer of polypropylene and an alpha-olefin of 2 or more carbon atoms. Modern Plastics Encyclopedia/89, mid October 1988 Issue, Volume 65, Number 11, pp. 110-117, the disclosure of which is incorporated herein by reference, also discusses the use of various thermoplastic elastomers (TPEs) useful for impact modification. These include: elastomeric alloys TPEs, engineering TPEs, olefinic TPEs (also known as thermoplastic olefins or TPOs), polyurethane TPEs and styrenic ...

POLYOLEFIN COMPOSITIONS

A polyolefin compositions comprising: 1. A polyolefin composition comprising:A) 77 wt. % to 90 wt. %, based upon the total weight of the polyolefin composition, of a propylene homopolymer, wherein the propylene homopolymer has a fraction soluble in xylene at 25° C. in an amount lower than 2 wt. %;{'sub': 4', '10', '4', '10, 'claim-text': wherein the polyolefin composition has:', 'a melt flow rate (MFR) at 230° C., 2.16 kg of from 0.5 to 4.5 g/10 min;', 'a total content of ethylene derived units ranging from 7 wt. % to 18 wt. %;', 'an intrinsic viscosity of less than 1.5 dl/g, based upon a total amorphous fraction soluble in xylene at 25° C., 'B) 10 wt. % to 23 wt. %, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and at least one C-Calpha-olefin, wherein the copolymer comprises from 20 wt. % to 30 wt. %, of at least one C-Calpha-olefin derived units;'}2. The polyolefin of comprising: 80 to 89 wt. % claim 1 , based upon the total weight of the polyolefin composition claim 1 , of the propylene homopolymer; and 11 to 17 wt. % claim 1 , based upon the total weight of the polyolefin composition claim 1 , of the copolymer of ethylene and at least one C-Calpha-olefin.3. The polyolefin composition of claim 1 , wherein the polyolefin composition has an intrinsic viscosity between 1.0 to 1.3 dl/g claim 1 , based upon a total amorphous fraction soluble in xylene at 25° C.4. The polyolefin composition of claim 1 , wherein the propylene homopolymer MFR from 1 to 4 g/10 min. (measured at 230° C. claim 1 , 2.16 Kg).5. A film comprising a polyolefin composition comprising:A) 77 wt. % to 90 wt. %, based upon the total weight of the polyolefin composition, of a propylene homopolymer, wherein the propylene homopolymer has a fraction soluble in xylene at 25° C. in an amount lower than 2 wt. %;{'sub': 4', '10', '4', '10, 'claim-text': wherein the polyolefin composition has:', 'a melt flow rate (MFR) at 230° C., 2.16 kg of from 0.5 to 4.5 g/10 min ...