ПОЛИМЕРНАЯ ОБВЯЗОЧНАЯ ЛЕНТА ДЛЯ ОБВЯЗЫВАНИЯ ОДНОГО ИЛИ НЕСКОЛЬКИХ ОБЪЕКТОВ И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ

Объектом настоящего изобретения является полимерная обвязочная лента для обвязывания одного или нескольких объектов. Полимерная обвязочная лента содержит следующие компоненты: а) вплоть до приблизительно 90 вес.% полиэфира, b) от приблизительно 1 до приблизительно 5 вес.% полиолефина; с) от приблизительно 5 до приблизительно 10 вес.% волокнистого материала. Изобретение также относится к способу изготовления полимерной обвязочной ленты. 2 н. и 8 з.п. ф-лы, 1 ил.

ГЕТЕРОФАЗНЫЙ ПОЛИПРОПИЛЕН СО СТАТИСТИЧЕСКИМ СОПОЛИМЕРОМ ПРОПИЛЕНА И ГЕКСЕНА В КАЧЕСТВЕ МАТРИЦЫ

Изобретение относится к гетерофазной полипропиленовой композиции для пленок с высокой прозрачностью, основанной на превосходной совместимости статистического сополимера пропилена и 1-гексена, используемого в качестве матрицы, с различными типами внешних модификаторов, диспергированных внутри матрицы. Полипропиленовая композиция для пленок содержит смесь (a) сополимера пропилена, содержащего от 2,5 до 12,0 % масс. 1-гексена в качестве сомономера, в расчете на массу сополимера пропилена, и имеющего показатель текучести расплава ПТР2от 0,1 до 100 г/10 мин, определенный при температуре 230 °C и нагрузке 2,16 кг, и (b) гомо- или сополимера этилена, имеющего показатель текучести расплава ПТР2от 0,05 до 30,0 г/10 мин, определенный при температуре 190 °C и нагрузке 2,16 кг, и плотность от 850 до 920 кг/м3, при этом сополимер этилена, содержащийся в гомо- или сополимере этилена, представляет собой сополимер этилена и 1-октена, при этом показатель текучести расплава ПТР2полипропиленовой композиции ...

Усовершенствованные составы покрытия и способы их изготовления

ПОЛИМЕРНЫЙ МАТЕРИАЛ ДЛЯ ТЕПЛОИЗОЛИРОВАННОГО КОНТЕЙНЕРА

... 1. Состав для формования теплоизолирующей ячеистой неароматической полимерной структуры, причем состав включаетпервый полимерный материал, содержащий по меньшей мере один полипропилен с высокой прочностью расплава, характеризующийся длинноцепочечным разветвлением,второй полимерный материал, содержащий по меньшей мере один полимер, выбранный из группы, состоящей из полипропилена, полиэтилена и их смесей, по меньшей мере один нуклеирующий агент, и по меньшей мере одну добавку, понижающую трение.2. Состав по п. 1, где первый материал представляет собой гомополимер.3. Состав по п. 1, где первый полимерный материал имеет прочность расплава не менее 36 согласно ISO 16790.4. Состав по п. 1, где первый полимерный материал имеет температуру плавления не менее 163°C (325,4°F).5. Состав по п. 1, где второй полимерный материал содержит материал на основе полиэтилена, выбранный из группы, состоящей из полиэтилена низкой плотности, линейного полиэтилена низкой плотности, полиэтилена высокой плотности ...

Polymer-Masterbatch enthaltend lineares, ultrahochmolekulares, vinylgruppenfreies Polydimethylsiloxan

Die Erfindung betrifft Polymer-Masterbatches enthaltend linerare, ultrahochmolekulare, vinylgruppenfreie Polydimethylsiloxane und deren Verwendung als Additive bei der Herstellung von Compounds.

EIN- UND MEHRSCHICHTIGE POLYOLEFIN-SCHAUMSTOFFROHRE

Provision of inorganic powders with reduced hazard

Method and apparatus for the production of a sheet material comprising a polypropylene layer and a polyethylene layer

... 1,041,893. Web coating apparatus. UNION VERPACKUNGS G.m.b.H. Sept. 18, 1964 [Sept. 18, 1963], No. 38231/64. Heading D1L. [Also in Division B2] A sheet material comprising a layer of polypropylene and a layer of polyethylene may be produced using apparatus which comprises means 8 for applying a liquid primer to a moving web, a drying chamber 9, a heating chamber 10, a plastics web transverse stretching roller 11, a web coating plastics extrusion device 12 and web cooling means 13, and means for passing a plastics web from the primer applying means through the drying and heating chambers, over the transverse stretching roller, and under the extrusion device to the cooling means, the length of the heating chamber in the direction of web movement being shorter than that of the drying chamber.

Colourant

Silver containing antimicrobial materials

This invention relates to antimicrobial materials and articles, such as fibres, yarns, and their incorporation into textiles, packaging for food or beverages, or articles of clothing such as gloves. The antimicrobial fibres and yarns may be formed of a polymer and may comprise silver particles dispersed therein. The present invention contemplates a polymer batch precursor to the fibre of the invention and further products formed of the fibre or the polymer batch, for example textiles.

Polymeric material for an insulated container

POLYMERIC MATERIAL FOR AN INSULATED CONTAINER A formulation includes a polymeric material, a nucleating agent, a blowing, and a surface active agent. The formulation can be used to form a container.

Thermoformed article formed from a porous polymeric sheet

A thermoformed article that is formed from a polymeric sheet having a thickness of from about 0.1 to about 100 millimeters is provided. The polymeric sheet contains a thermoplastic composition that includes a continuous phase that includes a matrix polymer. A microinclusion additive and nanoinclusion additive are dispersed within the continuous phase in the form of discrete domains, and a porous network is defined in the composition that includes a plurality of nanopores having an average cross-sectional dimension of about 800 nanometers or less.

Thermoplastic Starch Composition Derives From Agricultural Waste

A thermoplastic starch composition acquired from compounding a mixture comprises starch containing agricultural waste in 45 to 70% by weight of total composition that the agricultural waste contains starch content less than 50% in dry weight; thermoplastic synthetic polymer in 5 25 to 50% by weight of total composition; plasticizer in 1 to 10% by weight of total composition; and coupling agent in 1 to 5% by weight of total composition; wherein the compounding is performed at a first temperature which is higher than room temperature.

COLOURANT

The present invention relates to a colourant for darkening the colour tone of a target polymer or of a colourant for addition to a polymer. The present invention comprises a black colourant being a mixture comprising a carrier material and a first pigment comprising at least black shade manganese oxide and at least one additional pigment. The first pigment and at least one additional pigment are selected such that in combination with the carrier material they produce a substantially black colour tone. This colour tone is then transferred to a target polymer or polymer colourant.

MICROSTRUCTURED MULTICOMPOSITE COPPER MICROPARTICLE WITH ANTIBACTERIAL AND/OR BIOCIDAL ACTIVITY THAT COMPRISES 5 DIFFERENT TYPES OF COPPER COMPOUNDS

A copper microparticle with antibacterial and/or biocidal activity, wherein each microparticle has a regular, crystalline and microstructured composition that comprises 5 different copper compounds: Antlerite Cu3 +2(SO4) (OH) 4, Brochantite Cu4 +2SO4 (OH) 6, Chalcantite Cu+2SO4.5H2O, Natrochalcite NaCu2+2 ( SO4 ) 2OH ·H2O and Hydrated copper sulfate hydroxide Cu3 (SO4) 2 (OH) 2 -4H2O/2CuSO4 -Cu (OH) 2, with the microparticle having a size of between 5 and 50 µm. A process for preparing copper microparticles with antibacterial and/or biocidal activity. A concentrated polymeric composition (masterbatch) with antibacterial and/or biocidal activity that is incorporated during the extrusion process to molten polymers for forming rigid or flexible products such as fibers, filaments, and sheets. A use of a copper microparticle with antibacterial and/or biocidal activity. A use of a concentrated polymeric composition (masterbatch) with antibacterial and/or biocidal activity.

POLYPROPYLENE COMPOSITION FOR FOAMING APPLICATIONS

The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).

PREPREGS, CORES AND COMPOSITE ARTICLES INCLUDING POWDER COATED LAYERS

Composite articles comprising a porous prepreg or core layer and a powder coated layer thereon are described. In some instances, a thermoplastic composite article comprises a porous core layer comprising a web of reinforcing fibers held together by a thermoplastic material, and a powder coated layer disposed on the porous core layer, in which a particle size of the powder coated layer is selected to provide an interface between the powder coated layer and the porous core layer, wherein at least 50% by weight of the disposed powder coated layer is present above the interface.

POLYMER COMPOSITION FILLED WITH AN INORGANIC FILLER MATERIAL MIXTURE

The present invention relates to a polymer composition comprising at least 20.0 wt.-%, based on the total weight of the polymer composition, of at least one biodegradable polymer resin, from 0.1 to 20.0 wt.-%, based on the total weight of the polymer composition, of at least one polyolefin selected from polyethylene and/or polypropylene and from 5.9 to 60.0 wt.-%, based on the total weight of the polymer composition, of an inorganic filler material dispersed in the at least one polyolefin and the at least one biodegradable polymer resin, a process for the preparation of such a polymer composition, the use of an inorganic filler material for increasing the thermal stability and/or processability of a polymer composition, the use of the polymer composition for the preparation of an article as well as in a process selected from extrusion process, co-extrusion process, blown film extrusion process, cast film extrusion or sheet extrusion process, extrusion coating process, injection molding ...

COMPOSITE COMPRISING A CELLULOSE-BASED FILLER

Composite comprising a heterophasic propylene copolymer (HECO), a high density polyethylene, a cellulose-based filler and a compatibilizer.

FIBER REINFORCED COMPOSITE

Fiber reinforced composite comprising a trimodal polypropylene composition.

POLYMERIC MATERIAL FOR AN INSULATED CONTAINER

A formulation includes a polymeric material, a nucleating agent, a blowing, and a surface active agent. The formulation can be used to form a container.

ELECTRET SHEET

Provided is an electret having high piezoelectric properties. An electret sheet of the invention is characterized in that it comprises a synthetic resin sheet is electrified by injecting electric charges thereinto, that the synthetic resin sheet comprises two types of synthetic resins incompatible with each other, and that these synthetic resins form a phase separated structure and are cross-linked through a polyfunctional monomer. Therefore, positive and negative charges in an apparently polarized state are present in the interfacial portions between the two types of synthetic resins incompatible with each other. By applying an external force to the electret sheet to deform it, the relative positions of these positive and negative charges are changed, and these changes cause a favorable electrical response. Therefore, the electret sheet has high piezoelectric properties.

THERMOPLASTIC STARCH COMPOSITION DERIVES FROM AGRICULTURAL WASTE

A thermoplastic starch composition acquired from compounding a mixture comprises starch-containing agricultural waste in 45 to 70% by weight of total composition that the agricultural waste contains starch content less than 50% in dry weight; thermoplastic synthetic polymer in 25 to 50% by weight of total composition; plasticizer in 1 to 10% by weight of total composition; and coupling agent in 1 to 5% by weight of total composition; wherein the compounding is performed at a first temperature which is higher than room temperature.

Verfahren zum Verkleben durch Hitzeeinwirkung eines Olefinpolymer- oder Olefincopolymerfilmes mit einer Überzugsschicht und ein gemäss dem Verfahren verklebter Film

Verfahren und Vorrichtung zur Herstellung einer aus Polypropylen-Schicht und einer Polyäthylen-Schicht bestehenden Folie

DVUKhOSNOORIENTIROVANNYE FILM, MADE FROM PROPYLENE POLYMER COMPOSITIONS

FIBER REINFORCED COMPOSITE

COMPOSITION FOAMED POLYPROPYLENE

POLYPROPYLENE COMPOSITION FOR FOAMING

PLAIN ANTIMICROBIAL MATERIALS

FIBER STRUCTURE HAVING HALOGEN-FREE FOAMING POLYMER LAYER

N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink, and absorbent composite

IMPROVEMENT OF THE ADHERENCE OF PAINTINGS HAS POLYOLEFINS

FILM OF SEPARATOR, ITS MANUFACTORING PROCESS, SUPERCONDENSATEUR, BATTERY AND CONDENSER PROVIDED WITH THE FIM

L'invention concerne un film de séparateur pour dispositif servant à emmagasiner de l'énergie électrique, le film étant poreux et orienté, le film étant obtenu par étirage dans une direction longitudinale et dans une direction transversale à la direction longitudinale, le film contenant un mélange comportant un homopolymère de polypropylène, au moins 50 % d'un copolymère de monomères comprenant au moins du propylène et de l'éthylène, au moins un agent béta-nucléant. Suivant l'invention, le copolymère a une proportion d'éthylène > 5 % et < 10 % et une proportion de propylène > 90 % pour une épaisseur micrométrique du film > 8 micromètres et < 30 micromètres correspondant à un facteur d'espace déterminé selon la norme IEC-60674-3-1 supérieur ou égal à 200 et une masse volumique du film étiré dans les deux directions supérieure ou égale à 0.18 g/cm et inférieure ou égale à 0.41 g/cm.

METHOD OF MAKING A POLYPROPYLENE COMPOSITION HAS MELT FLOW CONTROLLED

Le procédé de fabrication d'une composition consiste à mettre en présence un produit contenant majoritairement du polypropylène présentant une fluidité contrôlée inférieure à 10 g/10 min avec du polypropylène très fluide et un polymère greffé par de l'anhydride maléique.

신발창, 조성물, 및 이들의 제조 방법

... 신발창 조성물 및 신발창의 제조 방법이 제공된다. 상기 신발창은, 0.50 g/cm3 미만의 밀도를 갖는 발포된 실란-가교결합된 폴리올레핀 엘라스토머를 포함하는 조성물을 포함한다. 상기 신발창은 ASTM D 395 (6 시간 @ 50℃)에 따라 측정시 약 5.0 % 내지 약 20.0 %의 압축 변형을 나타낸다. 상기 실란-그래프팅된 폴리올레핀 엘라스토머는, 밀도가 0.86 g/cm3 미만인 제 1 폴리올레핀, 결정화도가 40 % 미만인 제 2 폴리올레핀, 실란 가교결합제, 그래프팅 개시제, 축합 촉매 및 발포제를 포함하는 블렌드로부터 제조될 수 있다.

열가소성 엘라스토머 조성물 및 그의 제조 방법

... 본 발명은, 에틸렌·α-올레핀·비공액 폴리엔 공중합체(A)와, 폴리올레핀 수지(B)와, 상기 공중합체(A)와 수지(B)의 합계 100질량부당 1∼200질량부의 연화제(C)와, 가교제(D)를, 배치식 믹서를 이용하여, 하기 조건(1)∼(4)를 만족시키는 조건하에서 동적 가교해서 얻어지는 열가소성 엘라스토머 조성물이다. (1) 50≤P1≤300(여기에서, P1은 하기 식(i)로 정의된다. P1=γave.×Log(t1) (i) (식(i) 중, t1은 가교제(D) 투입 후의 체류 시간(sec)이고, γave.는 전단 속도 γ의 t1에서의 평균 속도(sec-1)이다.)), (2) 900≤P2≤1450(여기에서, P2는 하기 식(ii)로 정의된다. P2=(Tave.+273)×Log(t1) (ii) (식(ii) 중, Tave.는 가교제(D) 투입 후의 평균 수지 온도(℃)이고, t1은 가교제(D) 투입 후의 체류 시간(sec)이다.)), (3) -2.5≤P3≤1.5(여기에서, P3은 하기 식(iii)으로 정의된다. P3=Log(t1/t2) (iii) (식(iii) 중, t1은 가교제(D) 투입 후의 체류 시간(sec)이고, t2는 가교제(D) 투입 후의 평균 수지 온도 Tave.에서 가교제(D)의 잔존량이 투입량의 1ppm 이하가 되기 위해서 필요한 시간(sec)이다.)), (4) 배치식 믹서에, 에틸렌·α-올레핀·비공액 폴리엔 공중합체(A), 폴리올레핀 수지(B) 및 연화제(C)를 투입한 후에 가교제(D)를 투입한다. 본 발명의 열가소성 엘라스토머 조성물에 의하면, 우수한 고무 탄성 등의 기계 물성 및 외관을 갖는 성형체를 제조할 수 있고, 또한 용융 밀도 및 압출량을 높일 수 있어 생산성의 향상을 도모할 수 있다.

produção assistida pelo modelo de materiais porosos.

ADHESIVES AND USE THEREOF

System and method for manufacturing plastic product from recycled mixed plastic waste

THERMOPLASTIC RESIN FOAM AND FOAM SEALANT

The purpose of the present invention is to provide a thermoplastic resin foam and a foam sealant that enable indentations to be sufficiently and rapidly restored. The thermoplastic resin foam is characterized in that the indentation recovery rate defined below is at least 50%, and the foam sealant is characterized by containing the thermoplastic resin foam (in particular, it is preferable an adhesive layer positioned on one or both sides of the thermoplastic resin foam be provided). Indentation recovery rate: After compressing the thermoplastic resin foam at 23°C with a jig having a 90 degree blade angle to the lowest point in the thickness direction of the foam for 15 seconds, and then releasing the compressed state, the indentation recovery rate is the ratio of the thickness of the indented portion with respect to the initial thickness 60 seconds after the compressed state has been released.

BIAXIALLY ORIENTED FILMS MADE OF PROPYLENE POLYMER COMPOSITIONS

The present invention is biaxially oriented film comprising a layer comprising a propylene polymer composition comprising a high isotactic homopolymer of propylene and a polymeric α-nucleating agent. The composition may also comprise other propylene polymers.

NATURAL RUBBER BASED ELECTRICALLY CONDUCTIVE THERMOPLASTIC VULCANISATES AND THE DEVICE FOR MANUFACTURING THE SAME

The various embodiments of the present invention disclose an peroxide-vulcanised TPVs based on Hevea Brasiliensis natural rubber, polypropylene and solid sulfonic acid doped polyaniline [PAni.DBSA] with useful electrical conductivities (up to about 2.1+0.2 S/cm] can be produced by using an internal mixer. The peroxide-vulcanised TPVs exhibit useful physical properties and also possess a reasonable good electromagnetic interferences shielding effectiveness. These peroxide-vulcanised TPVs could be recycled up to 4 times without significant loss of their EMI SE, electrical and physical properties. As a result, they have good potential to be used for manufacturing any EMI shielding products, such as EMI shielding seals and gaskets.

ISOTACTIC POLYPROPYLENE BASED COMPOSITE

This invention relates to a process for producing an isotactic polypropylene based composite, comprising: reactive blending of isotactic polypropylene homo-polymer; polypropylene grafted with a carboxylic anhydride or a furan type moiety such as maleic anhydride grafted polypropylene; and an amino silane such as (3-aminopropyl)triethoxysilane to produce an isotactic polypropylene based composite such that the crystallization temperature of the isotactic polypropylene based composite is in a range of about 120° C. to about 126° C. The reactive blending can further take place in the presence of an organically modified nanoclay.

RIGID HOLLOW PROTECTION CASING

The rigid hollow protection casing (30) includes a first rigid layer (10) composed of a matrix of a first thermoplastic material (11) including in its interior at least one long-fibre fabric layer (12) selected from fibreglass, carbon fibre and/or aramid fibre and comprising between 45% and 65% of the total weight of the first layer (10); a second overlapping rigid layer (20) exterior to the first layer (10), the second layer (20) being entirely composed of a matrix thereof or of a second thermoplastic material (21), the second layer (20) comprising between 2% and 10% of the total weight of the casing (30).

Thermoformed article formed from a porous polymeric sheet

A thermoformed article that is formed from a polymeric sheet having a thickness of from about 0.1 to about 100 millimeters is provided. The polymeric sheet contains a thermoplastic composition that includes a continuous phase that includes a matrix polymer. A microinclusion additive and nanoinclusion additive are dispersed within the continuous phase in the form of discrete domains, and a porous network is defined in the composition that includes a plurality of nanopores having an average cross-sectional dimension of about 800 nanometers or less.

Polymer blend, method for making the same and roofing membrane containing the same

A polymer blend comprising 10 to 90 parts by weight of a propylene-based polymer component having a weight average molecular weight of at least 200 kg·mol−1; and 20 to 80 parts by weight of a propylene-based elastomer component comprising structural units derived from propylene and at least one of ethylene and C4-C12 alpha-olefins having a weight average molecular weight in the range from 5 to 50 kg·mol−1, method for making a membrane comprising the same and roofing membrane comprising the same. The polymer blend is particularly suitable for making roofing membrane due to advantageous elastic modulus in broad temperature ranges.

Thermoplastic elastomer composition, use thereof, method for producing same, ethylene/α-olefin/unconjugated polyene copolymer and use thereof

... [Problem] The purpose of the invention is to provide: a thermoplastic elastomer composition capable of providing molded articles that are lightweight, have better oil resistance than those provided by conventional cross-linked thermoplastic elastomers, and have hardness and mechanical properties such as tensile strength and tensile elongation that are equal to or superior to those provided by conventional cross-linked thermoplastic elastomers; and an ethylene/α-olefin/unconjugated polyene copolymer having little compression set at low temperature as well as flexibility and an excellent balance of rubber elasticity at low temperature and tensile strength at normal temperature.[Solution] Produced are: a thermoplastic elastomer composition obtained by dynamically crosslinking a mixture containing a crystalline olefin polymer (A), an ethylene/α-olefin (having 4-20 carbon atoms)/unconjugated polyene copolymer (1B) that satisfies specific requirements, and a phenol resin-based crosslinking agent ...

PROPYLENE BASED RESIN COMPOSITION AND USE THEREOF

Means for Solving the Problems The thermoplastic resin composition (X1) of the present invention comprises (A1), (B1), (C1), and optionally (D1) below: 1 to 90 wt % of an isotactic polypropylene (A1); 9 to 98 wt % of a propylene/ethylene/-olefin copolymer (B1) containing 45 to 89 mol % of propylene-derived structural units, 10 to 25 mol % of ethylene-derived structural units, and optionally, 0 to 30 mol % of C4-C20 -olefin-derived structural units (a1); 1 to 80 wt % of a styrene-based elastomer (C1); and 0 to 70 wt % of an ethylene/-olefin copolymer (D1) whose density is in the range of 0.850 to 0.910 g/cm3, wherein (A1)+(B1)+(C1)+(D1)=100 wt %.

METHOD OF DISSOLVING AND RECYCLING THERMOPLASTICS

A method of modifying a polymer or plastic is provided wherein a polymer system, comprising one or more polymer chains, is amorphous, crystalline, semi-crystalline or a combination thereof. The process including exposing the polymer system in a solid, liquid or gas solvent such that the polymer system changes configuration or said polymer changes morphology. The process further comprises subjecting the polymer system to a thermodynamic mechanism such that the Gibbs Free Energy of the polymer system is lowered, the polymer system's entropy is increased, and its chain orientation or morphology is altered.

Joined body

Provided is a joined body comprising a first joined member, a second joined member, and a joining layer that joins the first joined member and the second joined member, wherein the first joined member and the second joined member are each independently one selected from the group consisting of a metal member, a polyamide resin member, and a polyolefin resin member, and the joining layer is a layer formed of a resin composition having a co-continuous phase including a continuous phase A farmed of the polyamide resin and a continuous phase B formed of the polyolefin resin and has a dispersed domain a distributed in the continuous phase A, a finely dispersed subdomain a′ distributed in the dispersed domain a, a dispersed domain b distributed in the continuous phase B, and a finely dispersed subdomain b′ distributed in the dispersed domain b.

POLYPROPYLENE FILM WHICH CAN HEAT-SEAL

ПРОТИВООТРАЖАТЕЛЬНАЯ ПЛЕНКА ДЛЯ ФОТОЭЛЕКТРИЧЕСКИХ БАТАРЕЙ

Настоящее изобретение относится к противоотражательной пленке для фотоэлектрических батарей. Описана противоотражательная пленка, содержащая частицы полимера, обладающие: (а) не менее 70% полимеризованных остатков акриловых мономеров; (b) средним диаметром частиц, равным от 0,75 до 15 мкм; и (с) показателем преломления, который непрерывно изменяется при переходе от центра частиц к поверхности; и непрерывную полимерную фазу, включающую не менее 85 мас.%. полиолефина, причем полиолефин включает полимеры или сополимеры алкенов, содержащих от 2 до 8 атомов углерода, где средняя разность показателей преломления полимерных частиц и непрерывной полимерной фазы, измеренная в диапазоне от 400 до 800 нм, равна не более 0,02. Технический результат – получение противоотражательной пленки, подходящей для изготовления фотоэлектрических батарей. 6 з.п. ф-лы, 2 табл., 18 пр.

МОДИФИКАТОР И СПОСОБ ЕГО ПРИМЕНЕНИЯ, СПОСОБ ПОЛУЧЕНИЯ МОДИФИКАТОРА И НОСИТЕЛЬ ДЛЯ ДОБАВКИ

Изобретение относится к модификатору, который можно смешивать с полиолефином, чтобы получить формованное изделие. Модификатор имеет непрерывную фазу (A), содержащую вторую полиолефиновую смолу, и дисперсную фазу (B), содержащую полиамидную смолу и модифицированный эластомер. Дисперсная фаза (B) состоит из продукта смешения в расплаве полиамидной смолы и модифицированного эластомера. Модифицированный эластомер представляет собой эластомер, содержащий реакционно-способную группу, которая реагирует с полиамидной смолой. Эластомер представляет собой термопластичный эластомер на основе олефина, содержащий в качестве скелета сополимер этилена или пропилена с α-олефином, содержащим от 3 до 8 атомов углерода. Эластомер включает структурное звено производное от малеинового ангидрида. Обеспечивается формованное изделие с улучшенной ударопрочностью. 4 н. и 5 з.п. ф-лы, 2 табл., 2 ил.

ТЕРМОФОРМОВАННОЕ ИЗДЕЛИЕ, ОБРАЗОВАННОЕ ИЗ ПОРИСТОГО ПОЛИМЕРНОГО ЛИСТА

Provision of inorganic powders with reduced hazard

Inorganic acid chlorides which have use in polymer production can be incorporated into a masterbatch with the addition of an organosilane compound coating to reduce the corrosiveness of the masterbatch pellets and reduce variability of pellet size. Preferred acid chlorides are magnesium chloride, aluminium chloride, phosphorus (V) chloride or stannous chloride (tin (II) chloride). The coating may be added by pre-treating the inorganic acid chloride with organosilane in water or by reacting the acid chloride and porganosilane in situ in the polymer. The polymer may form a masterbatch for addition to other polymers.

Polymeric material for an insulated container

A formulation includes a polymeric material, a nucleating agent, a blowing, and a surface active agent. The formulation can be used to form a container.

Polymeric material for an insulated container

A method of forming an insulative cellular structure comprises a) providing a 1st material comprising a high melt strength PP, b) providing a 2nd material comprising impact PP copolymer or crystalline PP homopolymer, c) providing a nucleating agent, d) optionally including a slip agent, e) mixing, f) melting, g) adding blowing agent, and h) extruding. For preference the nucleating agent is talc, mica or CaCO3. The blowing agent may also be CaCO3, or citric acid. Structures formed by the process are also claimed and may ideally be containers such as cups.

Polymeric material for an insulated container

Polymer structure comprising base plastic with hydration layer for avoiding biofilm formation thereon

Provided is a germ-repellent polymer structure including a base plastic selected from polypropylene homopolymer, polypropylene impact copolymer, or acrylonitrile butadiene styrene; and a hydration layer, the hydration layer including one or more hydrophilic additives formed on the base plastic optionally in the presence of an intermediate plastic that is compatible to both the base plastic and hydrophilic additives for stabilizing the hydration layer on some base plastics. In some embodiment, the introduction of hydration layer to the base plastic through the intermediate plastic imparts germ repellency by introducing sufficient hydroxyl groups onto the surface of the base plastic in order to trap water molecules into a polymer matrix of the base plastic. The change in mechanical strength of the base plastic before and after the introduction of the hydration layer is less than 20% of an original mechanical strength, where the original mechanical strength corresponds to a strength of the ...

PROPYLENE RESIN COMPOSITION AND USE OF IT

Polyester film, method for manufacturing same, and method for recycling polyethylene terephthalate container using same

Embodiments according to the present invention pertain to a polyester film, a method for manufacturing same, and a method for recycling a polyethylene terephthalate (PET) container using same. The polyester film does not have a crystallization temperature (Tc) or has a crystallization temperature satisfying 70-130°C as measured by differential scanning calorimetry, thus exhibiting excellent shrinkage properties and excellent recyclability due to controlled crystallinity, such that clumping hardly occurs even when the polyester film is dried at high temperature for a long time in a recycling process.

Plastics-material strapping band for wrapping around one or more articles, and method for producing a plastics-material strapping band

The present invention relates to a plastics-material strapping band (4) for wrapping around one or more articles. The plastics-material strapping band has the following constituent parts: a) up to approximately 90% by weight polyester, b) approximately 1% by weight to 5% by weight polyolefin and c) approximately 5% by weight to 10% by weight fibre material. The invention also relates to a method for producing a plastics-material strapping band.

Film for labels and covering webs

The invention relates to a film including at least a first layer (1) comprising at least 50% of random polypropylene heterophasic (block) copolymer. The invention also relates to labels and covering webs comprising said film.

A SURFACE-TREATED FILLER MATERIAL PRODUCT PROVIDING IMPROVED UV STABILITY FOR POLYMERIC ARTICLES

The present invention relates to a surface-treated filler material product comprising filler material comprising at least one epoxy-functional compound having one or more epoxy group(s) and/or reaction products thereof, a process for preparing said surface-treated filler material product, a polymer composition comprising at least one polymeric resin and from 1 to 70 wt.-%, based on the total weight of the polymer composition, of said surface-treated filler material product, a polymeric article comprising said surface-treated filler material product and/or the polymer composition as well as the use of the surface-treated filler material product to reduce degradation of the mechanical properties in a polymeric article comprising the surface-treated filler material product when exposed to UV light.

BREATHABLE FILM

The invention relates to a breathable film. The specific ball-drop impact resistance of the film is more than 100 mm per gram polymer per square meter. The film has a water vapor permeability of at least 1000 g/m2 in 24 hours. The elongation at break of the film in the machine direction is less than 200%.

POLYOLEFIN ELASTOMER COMPOSITIONS AND METHODS OF MAKING THE SAME

An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The elastomeric article can exhibit a compression set of from about 5.0 % to about 35.0 %, as measured according to ASTM D 395 (22 hrs P 70 °C). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm3, a second polyolefin having a crystallinity less than 40 %, a silane crosslinker, a grafting initiator, and a condensation catalyst.

EASY TO DISPERSE CALCIUM CARBONATE TO IMPROVE HOT TACK STRENGTH

The present invention relates to a process for producing an extrusion-coated material, an extrusion-coated material produced by the process, an article comprising the extrusion-coated material as well as the use of the extrusion-coated material in a lamination process.

RENEWABLE REPLACEMENTS FOR CARBON BLACK IN COMPOSITES AND METHODS OF MAKING AND USING THEREOF

Biocarbon is presented as an alternative to synthetic carbon black. Master batches having biocarbon for usage in raw plastics and/or the production of composites. Biocarbon is mainly derived from plant biomass, but other sources can be used. A method of producing the master batch: (a) pyrolyzing processed biomass in an oxygen-starved environment to produced biocarbon; (b) comminuting the biocarbon in a reduced oxygen atmosphere; (c) cooling the comminuted biocarbon; (d) mixing the cooled comminuted biocarbon with a carrier resin, thereby producing the master batch.

NEW FOAM MATERIALS

A foamable composition comprising from 60 to 99.88 % by weight (% wt.) of at least one poly(aryl ether sulfone), from 0.10 to 10.00 % by weight (% wt.) of at least one olefinic polymer, from 0.01 to 5.00 % by weight (% wt.) of at least one tetrazole compound and from 0.01 to 2.50 % by weight (% wt.) of at least one additive selected from the group of titanium dioxide (Ti02), clays, talc, silicates, silica, aluminates, barites, titanates, borates, nitrides, carbon-based materials or combinations thereof, all % wt. are relative to the total weight of the composition (C). Foam materials made from said foamable compositions and articles made from said foam materials.

FIBER REINFORCED COMPOSITE

POLYPROPYLENE COMPOSITION FOR FOAMING APPLICATIONS

COMPOSITE, REINFORCED WITH FIBERS

PRODUCT FROM BIOMATERIAL BASED ON POMEGRANATE SUNFLOWER SEEDS OR HUSK SUNFLOWER SEEDS

Foam materials comprising polyphenylene sulfide (PPS) polymers

FOAMED POLYPROPYLENE COMPOSITION

MATERIAL FOR INJECTION MOLDING, BASED ON A THERMOPLASTIC SUBSTANCE, HOLLOW GLASS BALLS AND FIBERS, METHOD OF MANUFACTURE AND USE OF THE MATERIAL

L'invention concerne un matériau destiné à l'injection plastique et son procédé de fabrication, comportant de la matière thermoplastique, des billes de verre creuses et des fibres de carbone, caractérisé en ce qu'il consiste en un mélange de deux composés distincts, un premier composé sous forme de granulés obtenus par extrusion, de préférence par extrusion selon le procédé BUSS, et comprenant de la matière thermoplastique et des billes de verre creuses, et un second composé sous forme de granulés comprenant de la matière thermoplastique chargée en fibres telles que des fibres de carbone ou des fibres végétales.

Glass fiber reinforced polypropylene-polyamide resin composition

페인팅된 폴리올레핀 물품

... 페인팅된 물품은 기재 및 페인트 층 사이의 프라이머 층 (여기서 상기 기재는, 0.89 g/cm3및 0.92 g/cm3 의 밀도를 갖는, 폴리프로필렌 폴리머 및 올레핀 블록 코폴리머를 포함하는 기재 형성 조성물의 산물임)을 포함한다. 상기 기재는, (1) 프탈레이트계 가소제, (2) 할로겐-함유 폴리머, 및 (3) 스티렌 모노머 유래의 침출가능한, 소형 폴리머 단위가 없다.

THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME AND MOLDED BODY

0 DEG uni-directional fillament prepreg, method of manufacturing the same and method of manufacturing multi-axis prepreg composite thereby

The present invention provides 0 DEG uni-directional filament prepreg prepared by: (i) weaving a fabric by using a thermoplastic film tape having a width of 5 to 60 mm as a warp yam and a high-strength filament as a weft yarn; and (ii) thermally compressing the woven fabric at a temperature at which the warp yarn is molten, wherein the high-strength filaments are aligned parallel to each other in an axial direction X of a winding roller on which uni-directional prepreg are wound, and a resin is impregnated in the prepregs. Meanwhile, the present invention provides a multi-axis prepreg composite is prepared by simultaneously and continuously feeding the 0DEG uni-directional filament prepreg A prepared according to the above method and 90DEG uni-directional filament prepreg B prepared in a conventional warping manner, into a thermal-compression roller 2, and thermally compressing the same. The present invention may enable continuously manufacturing the multi-axis prepreg composite C in which ...

EXPANDED POLYPROPYLENE RESIN BEADS AND EXPANDED BEAD MOLDING

Disclosed are expanded polypropylene resin beads which enable the heat molding of expanded polypropylene resin beads at low steam pressure and can provide an expanded mold with sufficient rigidity and heat resistance. The multilayer expanded resin beads are formed by expanding multilayer resin beads comprising a core layer formed from a polypropylene resin and a coating layer formed from a different polypropylene resin to that which forms the core layer. The multilayer expanded resin beads can be molded in-mold at a steam pressure lower than the steam pressure for molding single-layer expanded beads which would result from expanding the single layer resin beads made from the polypropylene resin which forms the core layer. The coating layer to core layer resin weight ratio in the aforementioned multi- layer resin beads is not less than 0.001 and not greater than 0.040 and the expansion ratio of the expanded beads, the average value of the thickness of the coating layer of the expanded beads ...

RESIN FOAM AND FOAM SEALING MATERIAL

The purpose of the present invention is to provide a resin foam which exhibits excellent thickness recovery performance (speed) after compressive deformation, is flexible even in low-temperature environments, and balances instantaneous recovery properties with shock absorption properties; and a foam sealing material. The resin foam has a thickness recovery rate of 50% or more at 23°C as defined below, and has a repulsive stress of less than 10.0 N/cm2 when at 50% compression at -10°C as defined below. Thickness recovery rate: proportion in relation to initial thickness of resin-foam thickness measured after compressing resin foam for one minute in thickness direction thereof to 20% of initial thickness, releasing state of compression, and allowing one minute to elapse since release of state of compression. Repulsive stress when at 50% compression: opposing repulsive load when compressing resin foam in thickness direction thereof to 50% of initial thickness.

Polymeric material for an insulated container

A formulation includes a polymeric material, a nucleating agent, a blowing agent, and a surface active agent. The formulation can be used to form a container.

ELASTOMERIC THERMOPLASTIC PRE-EXPANSION COMPOSITION COMPRISING AN ELASTOMER AND A PHYSICAL BLOWING AGENT

Finally, a subject matter of the invention is a sealing lip used in the fields of the transportation industry and in the construction industry.

Injection Molding and Molding Compositions Therefore

A method of combining rubbers and plastics when injection molding, and compositions usable in injection molding, are shown and described. Comminuted rubber from waste tires and waste plastics including any of high density polyethylene, polyethylene terephthalate, and polypropylene are combined and heated to melt at least the plastics. In one optional approach, both are melted. Plastics comprise from twenty to eighty percent by weight of the mixture, with rubber accounting for the balance. The mixture may be fortified with bonding, compatibilizing, and strengthening agents. The compositions may be cooled and pelletized for immediate use in injection operations.

Resin Foam and Foam Sealing Material

There is provided a resin foam excellent in dustproofness and assemblability. The resin foam has a repulsive stress at 80% compression (repulsive stress when a resin foam is compressed by 80% of the initial thickness) of 1.0 to 9.0 N/cm2 and a tensile modulus of elasticity of 5.0 to 14.0 MPa. Preferably, the resin foam further has an average cell diameter of 10 to 180 µm and an apparent density of 0.01 to 0.10 g/cm3.

METHOD FOR FORMING EXFOLIATED CLAY-POLYOLEFIN NANOCOMPOSITES

Heat-sealable polypropylene films, methods for their manufacture and packages including such films

An oriented heat-sealable polypropylene film comprises a base polypropylene film having on at least one surface at least two layers, the first outer heat sealable layer being a blend of polybutene-1 with polypropylene; the polybutene-1 content lying in the range between 30 and 95% by weight and most preferably in the range between 70 and 80% by weight, and the second layer, lying immediately below the first layer, being a polymer having a preponderance of ethylene and/or butene-1 units, such as low or high density polyethylene or an ethylene/butene copolymer in which ethylene units predominate or polybutene-1 or a butene-1/ethylene copolymer in which butene-1 units predominate. The second layer modifies the sealing properties of the first layer to provide a heat-sealable layer having improved hot tack properties and, in some cases, an improved heat-sealing threshold temperature.

FOAMED SPHERES, MOULDED PART FORMED FROM A PLURALITY OF FOAMED SPHERES AND METHOD FOR PRODUCING FOAMED SPHERES

ADDITIVES FOR FLAME RETARDED POLYOLEFINS

ПОЛИМЕРНЫЙ МАТЕРИАЛ ДЛЯ ТЕПЛОИЗОЛИРОВАННОГО КОНТЕЙНЕРА

Изобретение относится к составу для формирования теплоизолирующего ячеистого неароматического полимерного материала, который может быть использован для получения изделия, в частности контейнера. Состав содержит базовый полимерный материал, второй полимерный материал, нуклеирующий агент, добавку, понижающую трение, и порообразователь. Причем базовый полимерный материал содержит полипропилен с высокой прочностью расплава, характеризующийся длинноцепочечным разветвлением, а второй полимерный материал содержит гомополимер полипропилена. Полученный полимерный материал обладает высокими теплоизоляционными характеристиками, легко поддается вторичной переработке, устойчив к прокалыванию и неломок. 12 н. и 51 з.п. ф-лы, 10 ил., 12 табл.

АДГЕЗИВЫ И ИХ ПРИМЕНЕНИЕ

... 1. Адгезив, содержащий:a) не менее 70% по массе смеси полимеров, в которую входятi) полипропиленовый полимер, полученный с применением катализа металлоценами, который имеет плотность в диапазоне от приблизительно 0,70 до приблизительно 0,91 г/сми вязкость в расплавленном состоянии при 190°C, составляющую менее 50000 сП, иii) аморфный полимер, полученный с катализаторами Циглера-Натта, выбранный из группы, состоящей из полибутенового сополимера, полипропиленового сополимера и их смесей; иb) менее чем приблизительно 30% по массе усилителя липкости и/или разбавителя;где адгезив имеет вязкость, которая при 150°С ниже приблизительно 11000 сантипуазов по ASTM C3236; а общая масса составляет 100% по массе.2. Адгезив по п. 1, где указанный адгезив содержит менее чем приблизительно 25% по массе усилителя липкости и/или разбавителя.3. Адгезив по п. 1, где указанный полипропиленовый полимер, полученный с применением катализа металлоценами, дополнительно содержит C-C-α-олефиновый сомономер.4. Адгезив ...

COMPOSITE COMPOSITION FOR FRONT END MODULE CARRIER

Es wird eine leichte, verstärkte Kunststoff-Komposit-Zusammensetzung für einen Frontmodulträger offenbart, in der Glasfasern und Kohlenstofffasern als Versteifungsmittel zu einer Harzmischung aus einem synthetisch hergestellten Kunststoffharz, wie beispielsweise Polyamid, und einem Vielzweck-Kunststoffharz, wie beispielsweise Polyalkylen, gegeben werden. Die offenbarte Komposit-Zusammensetzung ist ein umweltfreundliches Verbundmaterial, das durch die Versteifung und die Gewichtsreduktion des Frontmodulträgers effektiv die Kohlenstoffdioxidemissionen reduzieren und die Kraftstoffeffizienz der Kraftfahrzeuge verbessern kann.

Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film

The invention relates to microporous membranes having one or more layers comprising polymer and inorganic molecules. The invention also relates to methods for producing these membranes, and the use of these membranes as battery separator film.

Separator film, its fabrication method, supercapacitor, battery and capacitor provided with said film

The invention relates to a separator film for a device used for storing electrical energy, the film being porous and oriented, and being obtained by stretching in a longitudinal direction and in a direction transverse to the longitudinal direction, the film containing a mixture comprising a polypropylene homopolymer, at least 10% of a copolymer obtained from monomers comprising at least propylene and ethylene, and at least one beta-nucleating agent. According to the invention, the ethylene content of the copolymer is ≧1% but <10% and a propylene content of the copolymer is ≧90% for a film thickness of ≧8 microns and ≦30 microns, corresponding to a specified space factor according to the IEC-60674-3-1 standard greater than or equal to 145% and a density of the biaxially stretched film greater than or equal to 0.18 g/cm 3 but less than or equal to 0.41 g/cm 3 .

Insulating member for covering a conduit in a clean room

This disclosure provides an insulating member for covering a conduit in a clean room. The insulating member typically has a length and defines a cavity extending along the length. The cavity is sized and shaped to receive the conduit. The insulating member typically includes an innermost layer that may be a closed cell fluoropolymer foam and is disposed to contact the conduit. The insulating member also typically includes an outermost layer that is disposed on the innermost layer and that may be a second fluoropolymer.

Electret sheet

Provided is an electret having high piezoelectric properties. An electret sheet of the invention is characterized in that it comprises a synthetic resin sheet is electrified by injecting electric charges thereinto, that the synthetic resin sheet comprises two types of synthetic resins incompatible with each other, and that these synthetic resins form a phase separated structure and are cross-linked through a polyfunctional monomer. Therefore, positive and negative charges in an apparently polarized state are present in the interfacial portions between the two types of synthetic resins incompatible with each other. By applying an external force to the electret sheet to deform it, the relative positions of these positive and negative charges are changed, and these changes cause a favorable electrical response. Therefore, the electret sheet has high piezoelectric properties.

POLYMER FOAM ARTICLES AND METHODS OF MAKING POLYMER FOAMS

Molded polymer foam articles are described as having a novel foam structure. The polymer foam articles include a continuous polymer matrix defining a plurality of pneumatoceles therein which is present throughout the entirety of the article. The surface region is further characterized as having compressed pneumatoceles. The novel foam structure is achieved even when molding polymer foam articles comprising a shape and volume wherein a sphere having a diameter between 2 cm and 1000 cm would fit within the article in at least one location without protruding from a surface of the article, and the article further has a total volume of more than 1000 cm. Methods of making a stabilized molten polymer foam, and of making a molded polymer foam article using the stabilized molten polymer foam are also described. 1. A method of forming a molten polymer foam , the method comprising:heating and mixing a thermoplastic polymer with a pneumatogen source to form a molten pneumatic mixture, wherein the temperature of the molten pneumatic mixture exceeds the temperature at which the pneumatogen source produces a pneumatogen at atmospheric pressure, and wherein a pressure applied to the molten pneumatic mixture is sufficient to substantially prevent formation of pneumatoceles;collecting a selected amount of the molten pneumatic mixture in a collection region;defining an expansion volume in the collection region proximal to the molten pneumatic mixture that results in a pressure drop at a rate of 0.01 GPa/s to 5 GPa/s, to form a molten polymer foam; anddispensing the molten polymer foam from the collection region.2. The method of wherein the method is carried out using an injection molding machine claim 1 , further wherein a backpressure is set to be 500 kPa to 25 MPa.3. The method of wherein the method further comprises allowing an expansion period of 0 seconds to 5 seconds to pass after the defining and before the dispensing claim 1 , wherein the molten polymer foam is allowed to ...

Polymeric material for an insulated container

A formulation includes a polymeric material, a nucleating agent, a blowing agent, and a surface active agent. The formulation can be used to form a container.

POLYPROPYLENE-BASED RESIN COMPOSITION AND FOAM SHEET

Provided is a polypropylene-based resin composition which gives uniform and fine cells and from which a foamed sheet and thermoform excellent in appearance, thermoformability, impact resistance, lightness, stiffness, heat resistance, heat insulating properties, oil resistance and the like can be produced. A polypropylene-based resin composition comprising (X) 5 to 99% by weight of a polypropylene resin having a structure with long chain branches, and (Y) 1 to 95% by weight of a propylene-based block copolymer produced by sequential polymerization, which block copolymer comprises (Y-1) a propylene (co)polymer and (Y-2) a propylene-ethylene copolymer, said resin (X) having properties (X-i) to (X-iv) and said block copolymer (Y) having properties (Y-i) to (Y-v), and the like. 1: A polypropylene-based resin composition comprising:(X) 5 to 99% by weight of a polypropylene resin comprising a structure with long chain branches, and (Y-1) a propylene (co)polymer, and', '(Y-2) a propylene-ethylene copolymer, and wherein said resin (X) has:, '(Y) 1 to 95% by weight of a sequentially polymerized propylene-based block copolymer wherein said resin (Y) comprises(X-i): a melt flow rate (MFR) of 0.1 to 30.0 g/10 minutes,(X-ii): a molecular weight distribution Mw/Mn of 3.0 to 10.0 measured by GPC and Mz/Mw of 2.5 to 10.0, [{'br': None, 'log(MT)≧−0.9×log(MFR)+0.7, or'}, {'br': None, 'MT≧15,'}], '(X-iii): a melt tension (MT) (unit: g) where'}(X-iv): a content of p-xylene soluble components (CXS) at 25° C. of less than 5% by weight based on the total amount of said resin (X), and whereinsaid block copolymer (Y) has:(Y-i): a weight ratio of 50 to 99% of (Y-1) and 1 to 50% of (Y-2) where said ratio is calculated based on the total weight of said block copolymer (Y) regarded as 100% by weight, and(Y-ii): an MFR of said block copolymer (Y) of 0.1 to 200.0 g/10 minutes,(Y-iii): a melting point of said block copolymer (Y) of more than 155° C.,(Y-iv): an ethylene content of said (Y-2) of 11.0 ...

PACKAGED VISCOELASTIC POLYMER SUBSTANCE

Packaged viscoelastic polymer substances and methods for the production of the packaged viscoelastic polymer substances are provided. The packaged viscoelastic polymer substances are further processable under the influence of heat and shear. 1. A method for producing a packaged viscoelastic polymer substance , the method comprising:a) plastifying a viscoelastic polymer substance at elevated temperatures, the viscoelastic polymer substance being a polymer substance based on poly(meth)acrylates having a weight-average molecular weight of 500,000 g/mol or more;b) continuously dispensing the plastified viscoelastic polymer substance into a protective polymer film, that has no self-adhesive properties and which, before being filled with the plastified viscoelastic polymer substance, has been brought into a tubular form, to give a strandlike polymer assembly having a diameter of 55 to 70 mm, a core of the plastified viscoelastic polymer substance, and a shell of the protective polymer film, wherein a fraction of the protective polymer film, based on a total weight of the protective polymer film and the plastified viscoelastic polymer substance, is less than 1.0 wt %, and wherein the plastified viscoelastic polymer substance has a viscosity of more than 100 Pas at the instant of being dispensed into the tubular protective polymer film;c) converting the strandlike polymer assembly into a flattened strandlike polymer assembly with a smallest cross-section having a ratio of width to height of about 2:1 to 7:1;d) cooling the flattened strandlike polymer assembly to a temperature at which the strandlike polymer assembly is still plastically deformable; ande) subsequently winding the flattened strandlike polymer assembly onto a reel, wherein the strandlike polymer assembly wound onto the reel has a length of more than 30 meters.2. The method of claim 1 , wherein the converting of the strandlike polymer assembly into the flattened strandlike polymer assembly in c) is carried out ...

Method For Recycling Floor Coverings

The invention relates to a solvent-based separation method for the total material recycling of materials used in nonwoven, woven, and tufted wares into the individual material components thereof sorted by type. At least one of the materials contains a polyolefin wax. As a solvent and/or swelling agent, halogen-free, aliphatic hydrocarbons or aromatic hydrocarbons or a mixture of one or several of said solvents are used. 1. A method of recovering individual varietally pure component materials used combined with each other in tufteds , wovens and nonwovens comprising the step of selective dissolution , selective swelling or both , wherein at least one of the component materials contains a polyolefin wax and the solvent and/or the swellant used comprises halogen-free aliphatic hydrocarbons aromatic hydrocarbons or both.2. The method as claimed in wherein the polyolefin wax comprises homo- or copolymers manufactured from ethylene claim 1 , propylene claim 1 , higher α-olefins of 4 to 20 carbon atoms or a combination thereof by polymerizing in the presence of metallocene catalysts and wherein the polyolefin wax has a dropping or softening point claim 1 , ring/ball claim 1 , between 70 and 160° C. and a melt viscosity claim 1 , as measured at a temperature of 170° C. claim 1 , of not more than 40 000 mPa·s.3. The method as claimed in claim 1 , wherein the polyolefin wax has a weight-average molar mass Mbetween 1000 and 40 000 g/mol and a number-average molar mass Mbetween 500 and 25 000 g/mol.4. The method as claimed in claim 1 , wherein the polyolefin wax is a homopolymer based on ethylene or propylene or a copolymer consisting of propylene and 0.1 to 30 wt % of ethylene 0.1 to 50 wt % of at least one branched or unbranched C-Cα-olefin or a mixture thereof and wherein the polysiefin wax has a melt viscosity claim 1 , as measured at 170° C. claim 1 , of not more than 30 000 mPa·s.5. The method as claimed in claim 1 , wherein the polyolefin wax and its recyclate have a ...

POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PRODUCING SAME

A polyolefin microporous membrane is produced by forming a gel-like molding using a polyolefin resin containing polypropylene, and stretching the molding in at least one direction, followed by washing, the polyolefin microporous membrane having an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction. 16-. (canceled)7. A polyolefin microporous membrane produced by forming a gel-like molding using a polyolefin resin containing polypropylene , and stretching the molding in at least one direction , followed by washing , the polyolefin microporous membrane having an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.8. The polyolefin microporous membrane according to claim 7 , wherein the polyolefin resin contains polypropylene having a weight average molecular weight of more than 50 claim 7 ,000 but less than 300 claim 7 ,000 in an amount of 0.5% by mass or more but less than 5% by mass.9. The polyolefin microporous membrane according to claim 7 , having a normalized PP/PE ratio whose average is 0.5 or more claim 7 , whose standard deviation is 0.2 or less claim 7 , and whose kurtosis is 1.0 or less claim 7 , as measured by Raman spectroscopy in at least one plane perpendicular to the thickness direction.10. The polyolefin microporous membrane according to claim 7 , wherein weight average molecular weight of polypropylene is more than 50 claim 7 ,000 but less than 150 claim 7 ,000.11. The polyolefin microporous membrane according to claim 7 , containing an ultra-high molecular weight polyethylene having a mass average molecular weight of 1×10or more in an amount of 1 to 50% by weight based on 100% by mass of a total amount of the polyolefin resin.12. A method of producing the polyolefin microporous membrane according to claim 7 , comprising:{'sup': '6', '(a) melt blending a ...

PLASTIC FILM AND PLASTIC FILM HAVING THE PLASTIC FILM LAYER

A plastic film layer includes polyolefin elastomers. The polyolefin elastomers have better fluidity and can improve the dispersion effect of polypropylene base raw materials. The polypropylene base raw materials are mixed evenly, and enhance the bonding strength between plastic film layers. The plastic film layer also includes a polyaniline resin. A plastic film having the plastic film layer is also provided. The plastic film layer and the plastic film applying the plastic film layer have strong tensile force and are not easily damaged. 1. A plastic film layer comprising:a polypropylene base raw material;a polyolefin elastomer; anda polyphthalamide resin.2. The plastic film layer of claim 1 , wherein a weight percentage range of the polypropylene base material is substantially 86-98 percent claim 1 , a weight percentage range of the polyolefin elastomer is substantially 2-14 percent claim 1 , and a weight percentage range of the polyphthalamide resin is substantially 0.1-1.0 percent.3. The plastic film layer of claim 2 , wherein a weight percentage of the polypropylene base material is substantially 92 percent claim 2 , a weight percentage of the polyolefin elastomer is substantially 7.5 percent claim 2 , and a weight percentage of the polyphthalamide resin is substantially 0.5 percent.4. The plastic film layer of claim 2 , wherein the polypropylene base raw material comprises a first polypropylene raw material and a second polypropylene raw material.5. The plastic film layer of claim 4 , wherein the first polypropylene raw material is an injection molding grade homopolymer polypropylene claim 4 , and the second polypropylene raw material is a blown film grade homopolymer polypropylene.6. The plastic film layer of claim 4 , wherein a weight of the second polypropylene material is substantially 1-4 times that of the first polypropylene material.7. The plastic film layer of claim 6 , wherein the weight of the second polypropylene material is three times that of the ...

PROCESSING AID AND BLEND EMPLOYING THE PROCESSING AID FOR ACHIEVING EFFECTIVE ORIENTATION OF AN EXTRUDED FILM LAYER AND A BIAXIALLY ORIENTED FILM INCLUDING SUCH FILM LAYER

Processing aid for aiding in orienting an extruded film layer including a preponderance, by weight, of a high crystal-line polypropylene is a crystalline polypropylene wax. An oriented film layer including a blend of crystalline polypropylene wax and high crystallinity polypropylene homopolymer is part of the invention. The invention includes a method of forming an oriented film layer including a preponderance by weight of a high crystallinity polypropylene and includes the steps of blending a high crystallinity polypropylene with a crystalline polypropylene wax, directing the blend through an extruder to form a film layer and then orienting the film layer. The invention includes a biaxially oriented, multi-layer film including a base layer and at least one skin layer. The base layer includes a blend of crystalline metallocene catalyzed polypropylene wax and a high crystallinity polypropylene. 1. A processing aid for aiding in orienting an extruded film layer including a preponderance , by weight , of high crystalline polypropylene , said processing aid being a crystalline polypropylene wax.2. The processing aid of claim 1 , said crystalline polypropylene wax being a crystalline claim 1 , metallocene catalyzed wax.3. A processing aid for aiding in orienting a multilayer film including a core layer claim 1 , optionally one or more intermediate layers claim 1 , and at least one skin layer claim 1 , said processing aid including a crystalline polypropylene wax in said core layer and/or one or more of the optional intermediate layers.4. The processing aid of claim 3 , wherein said multilayer film includes only said core layer and at least one skin layer claim 3 , said processing aid being a crystalline polypropylene wax located only is said core layer.5. The processing aid of claim 3 , said crystalline polypropylene wax being a crystalline claim 3 , metallocene catalyzed wax.6. An oriented film layer including a blend of a crystalline polypropylene wax and a high ...

METHOD FOR MANUFACTURING MOLDED ARTICLE AND PREFORM OF MOLDED ARTICLE

Provided is a method for producing a molded article having a thin film layer (B) formed on a surface of a porous body (A). The method includes a process (I) and a process (II) described below in this order: 1. A method for producing a molded article having a thin film layer (B) formed on a surface of a porous body (A) , the method comprising a process (I) and a process (II) described below in this order:process (I): forming the thin film layer (B) on a surface of a precursor (a) of the porous body (A) to obtain a preform, andprocess (II): expanding and molding the precursor (a) to the porous body (A).2. The method for producing a molded article according to claim 1 , wherein in the preform obtained at the process (I) claim 1 , an adhesion property of the thin film layer (B) to the precursor (a) belongs to classes 0 to 3 in accordance with ES K5600-5-6 (1999).3. The method for producing a molded article according to claim 1 , wherein the thin film layer (B) is at least one of a primer layer claim 1 , a coating film layer claim 1 , and a waterproof layer.4. The method for producing a molded article according to claim 1 , wherein at the process (I) claim 1 , the thin film layer (B) is formed on the surface of the precursor (a) by wet coating.512. The method for producing a molded article according to claim 1 , wherein the thin film layer (B) comprises an additive (B) and a thermosetting resin (B).613. The method for producing a molded article according to claim 1 , wherein the thin film layer (B) comprises an additive (B) and a thermoplastic resin (B).71. The method for producing a molded article according to claim 5 , wherein a maximum size of the additive (B) is 200 μm or less.8. The method for producing a molded article according to claim 1 , wherein a thickness of the thin film layer (B) is in a range of 10 to 500 μm.91. The method for producing a molded article according to claim 1 , wherein a surface roughness Ra of the thin film layer (B) formed at the process ( ...

PREPREGS, CORES AND COMPOSITE ARTICLES INCLUDING POWDER COATED LAYERS

Composite articles comprising a porous prepreg or core layer and a powder coated layer thereon are described. In some instances, a thermoplastic composite article comprises a porous core layer comprising a web of reinforcing fibers held together by a thermoplastic material, and a powder coated layer disposed on the porous core layer, in which a particle size of the powder coated layer is selected to provide an interface between the powder coated layer and the porous core layer, wherein at least 50% by weight of the disposed powder coated layer is present above the interface. 1. A thermoplastic composite article comprising:a porous core layer comprising a web of reinforcing fibers held together by a thermoplastic material; anda powder coated layer comprising a polymeric powder disposed on the porous core layer, in which an average particle size of the powder is selected to provide an interface between the powder coated layer and the porous core layer and where substantially all of the disposed powder of the powder coated layer is present above the interface.2. The thermoplastic composite article of claim 1 , in which the porosity of the core layer is greater than 10 by volume of the core layer.3. The thermoplastic composite article of claim 1 , in which the powder coated layer comprises a thermoplastic material claim 1 , in which the thermoplastic material of the porous core layer is the same or different than the thermoplastic material of the powder coated layer.4. The thermoplastic composite article of claim 3 , in which the thermoplastic material of the porous core layer is a polyolefin and the thermoplastic material of the powder coated layer is a non-polyolefin or a polyolefin.5. The thermoplastic composite article of claim 3 , in which the thermoplastic material of the porous core layer is selected from the group consisting of a polyethylene claim 3 , a polypropylene claim 3 , a polystyrene claim 3 , a polyimide claim 3 , a polyetherimide claim 3 , a polyamide ...

Polypropylene composition with improved sealing and thermal properties

The present invention relates to a polypropylene composition comprising comonomer units derived from ethylene in an amount of from 0.5 wt % to 25 wt %, and from at least one C 5-12 alpha-olefin in an amount of from 1.0 mol % to 3.0 mol %, wherein the polypropylene composition has an amount of xylene solubles XS of at least 20 wt %, and the xylene solubles have an amount of ethylene-derived comonomer units of from 4 wt % to 50 wt %.

POLYOLEFIN ELASTOMER COMPOSITIONS AND METHODS OF MAKING THE SAME

An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm. The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst. 1. A silane-crosslinked polyolefin elastomer blend comprising:{'sup': '3', 'a first polyolefin having a density less than 0.86 g/cm;'}a second polyolefin having a percent crystallinity less than 40%;a silane crosslinker,{'sup': '3', 'wherein the silane-crosslinked polyolefin elastomer blend exhibits a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.) and wherein the silane-crosslinked polyolefin elastomer blend has a density less than 0.90 g/cm.'}2. The silane-crosslinked polyolefin elastomer blend of further comprising a microencapsulated foaming agent.3. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the density is less than 0.70 g/cm.4. The silane-crosslinked polyolefin elastomer blend of further comprising a foaming agent.5. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the density is less than 0.60 g/cm.6. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the compression set is from about 15.0% to about 35.0% claim 1 , as measured according to ASTM D 395 (22 hrs @ 70° C.).7. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the first polyolefin comprises an ethylene-octene copolymer from about 60 wt % to about 97 wt %.8. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the second polyolefin comprises a polypropylene homopolymer from about 10 wt % to about 35 wt % and/or ...

ANTI-REFLECTIVE FILM FOR PHOTOVOLTAIC ARRAYS

A film containing polymeric particles which have an average particle diameter from 0.75 to 15 μm and a refractive index which changes continuously from the center of the particles to the surface. The particles are embedded in a continuous polymeric phase comprising a polyolefin. The average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is no greater than 0.02. 1. A film comprising polymeric particles having: (a) an average particle diameter from 0.75 to 15 μm; and (b) a refractive index which changes continuously from the center of the particles to the surface; and a continuous polymeric phase comprising a polyolefin; wherein an average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is no greater than 0.02.2. The film of in which the average particle diameter is from 1.5 to 10 μm.3. The film of in which the polymeric particles have a refractive index from 1.45 to 1.53.4. The film of in which the polyolefin comprises polymers or copolymers of alkenes having from two to eight carbon atoms.5. The film of in which the refractive index refractive index at the center of the polymeric particles is from 1.52 to 1.60 and the refractive index at the surface is from 1.46 to 1.52.6. The film of in which the continuous polymeric phase comprises from 1 to 12 wt % of the polymeric particles.7. The film of in which the average particle diameter is from 2 to 8 μm.8. The film of in which the polymeric particles comprise at least 60% polymerized residues of acrylic and styrenic monomers. This invention relates to an anti-reflective film which is particularly useful for construction of photovoltaic modules.There are a number of approaches to minimizing wasteful reflection of visible light from photovoltaic arrays, including application of a low dielectric constant layer onto the surface of the array. For example, U.S. Pat. No. 7, ...

MINERAL-FILLED POLYPROPYLENE COMPOSITION

The present invention relates to low density polypropylene compositions for the production of molded articles, such as finished parts for the automotive industry. 1. A composition having density lower than 1 g/cmcomprising:(A) from 15 to 60% by weight of one or more propylene-based components being selected from propylene homopolymers, propylene copolymers or combinations thereof, such first propylene-based component having a flexural modulus determined in accordance with ISO 178 higher than 1500 MPa, and a PI higher than 10; (B1) from 50 to 90% by weight of a crystalline polypropylene having a solubility in Xylene at room temperature lower than 5% by weight of the component (B1) and a melt flow rate higher than 50 g/10 min;', {'sub': 3', '10, '(B2) from 10 to 50% by weight of a copolymer of ethylene with at least one C-Calpha-olefin as comonomer such copolymer containing from 40 to 60% by weight, of ethylene and having a solubility in Xylene at room temperature higher than 70% by weight;'}], '(B) from 20 to 50% by weight of a heterophasic propylene polymer having a melt flow rate ranging from 10 to 20 g/10 min comprising{'sup': '3', '(D) from 5 to 25% by weight of an ethylene-based plastomer or elastomer, having a hardness (Shore A, ASTM D-2240) value equal to or lower than 90 points, and a density lower than 0.890 g/cm;'}(E) from 0 to 20% by weight of talc;(C) from 0 to 10% by weight of high-density polyethylene (HDPE); andthe sum of the percentage amounts of the components of the composition is equal to 100 percent.2. The composition of claim 1 , wherein the flexural modulus determined in accordance with ISO 178 of the component (A) is higher than 2000 MPa and the PI of the component (A) is higher than 13.3. The composition of claim 1 , wherein the component (A) has a MFR (230° C. claim 1 , 2.16 kg) value of from 10 to 150 g/10 min.4. The composition of claim 1 , wherein the melt flow rate MFR (230° C. claim 1 , 2.16 kg) value of component (B1) is higher than 70 ...

NEW FOAM MATERIALS

A foamable composition comprising from 60 to 99.88% by weight (% wt.) of at least one poly(aryl ether sulfone), from 0.10 to 10.00% by weight (% wt.) of at least one olefinic polymer, from 0.01 to 5.00% by weight (% wt.) of at least one tetrazole compound and from 0.01 to 2.50% by weight (% wt.) of at least one additive selected from the group of titanium dioxide (Ti02), clays, talc, silicates, silica, aluminates, barites, titanates, borates, nitrides, carbon-based materials or combinations thereof, all % wt. are relative to the total weight of the composition (C). Foam materials made from said foamable compositions and articles made from said foam materials. 114-. (canceled)17. The foamable composition (C) according to claim 15 , wherein the olefinic polymer is selected from the group consisting of a very low density polyethylene claim 15 , a linear low density polyethylene claim 15 , a low density polyethylene claim 15 , a propylene homopolymer claim 15 , or a propylene copolymer.19. The foamable composition (C) according to claim 15 , wherein the additive is selected from the group of TiO claim 15 , silicates claim 15 , and talc.20. The composition (C) according to comprising from 0.01 to 1.00 wt. % of the additive.21. The composition (C) according to further comprising one or more additional ingredient (I) other than the poly(aryl ether sulfone) PAES polymer claim 15 , the olefinic polymer claim 15 , the tetrazole compound claim 15 , and the additive claim 15 , selected from the group consisting of (i) colorants claim 15 , (ii) pigments claim 15 , (iii) light stabilizers claim 15 , (iv) heat stabilizers claim 15 , (v) antioxidants claim 15 , (vi) acid scavengers claim 15 , (vii) processing aids claim 15 , (viii) internal lubricants and/or external lubricants claim 15 , (ix) flame retardants claim 15 , (x) smoke-suppressing agents claim 15 , (xi) anti-static agents claim 15 , (xii) anti-blocking agents claim 15 , (xiii) conductivity additives claim 15 , (xiv) ...

RUBBER-FIBER COMPOSITE, RUBBER-RESIN COMPOSITE AND PNEUMATIC TIRE IN WHICH SAME IS USED

An object of the present invention is to provide: a rubber-fiber composite obtained by coating a core-sheath fiber with a rubber, in which adhesion between the rubber and the fiber is improved and which is thereby allowed to exhibit an improved durability as compared to conventional rubber-fiber composites when used as a reinforcing material; a rubber-resin composite; and a pneumatic tire using the same. The rubber-fiber composite is obtained by coating a reinforcing material with a rubber, which reinforcing material is composed of a core-sheath type composite fiber whose core portion is constituted by a high-melting-point resin having a melting point of 150° C. or higher and sheath portion is constituted by an olefin-based polymer having a melting point lower than that of the high-melting point resin. 1. A rubber-fiber composite obtained by coating a reinforcing material with a rubber , said reinforcing material being composed of a core-sheath type composite fiber whose core portion is constituted by a high-melting-point resin having a melting point of 150° C. or higher and sheath portion is constituted by an olefin-based polymer having a melting point lower than that of said high-melting point resin.2. The rubber-fiber composite according to claim 1 , wherein said olefin-based polymer is an olefin-based random copolymer obtained by addition polymerization of a monomer comprising ethylene or propylene.3. The rubber-fiber composite according to claim 1 , wherein said olefin-based polymer is an ethylene-propylene random copolymer.4. The rubber-fiber composite according to claim 3 , wherein the propylene content and the ethylene content in said ethylene-propylene random copolymer are 99.7% by mole to 20% by mole and 0.3% by mole to 80% by mole claim 3 , respectively.5. The rubber-fiber composite according to claim 1 , wherein said olefin-based polymer is a polyethylene-based polymer.6. The rubber-fiber composite according to claim 5 , wherein said polyethylene-based ...

Polyester film

A polyester film is provided. The polyester film includes 10 wt % to 100 wt % of a regenerated polyester resin. The regenerated polyester resin includes a physically regenerated polyester resin and a chemically regenerated polyester resin. Based on a total weight of the regenerated polyester resin being 100 wt %, an amount of the chemically regenerated polyester resin is larger than or equal to 5 wt %.

Polymer Compositions, Methods of Making the Same, and Articles Made Therefrom

The present disclosure is directed to compositions and methods for improving the cling performance in stretch-cling films. Compositions include: (a) 80.0 to 99.5 wt. % of a propylene-based elastomer, the propylene-based elastomer comprising at least about 60.0 wt. % propylene-derived units and about 5.0 to about 25.0 wt. % ethylene-derived units, based on total weight of the propylene-based elastomer, wherein the propylene-based elastomer has a heat of fusion of less than about 80.0 J/g; and (b) 0.5 to 20.0 wt. % of a polyalphaolefin, wherein the amounts of the propylene-based elastomer, and the polyalphaolefin are based on the weight of the composition. Methods of making such compositions as well as compositions including an ethylene-based polymer and films and methods of making films are also disclosed. 2. The composition of claim 1 , wherein about 8.0 to about 22.5 wt. % of the polymer units in the propylene-based elastomer are ethylene-derived units and the polypropylene-based elastomer has an MFR of about 2.0 to about 30.0 g/10 min.3. The composition of claim 1 , wherein the propylene-based elastomer has a weight average molecular weight (M) of about 5.0×10to about 5.0×10g/mol.4. The composition of claim 1 , wherein the polyalphaolefin is present in an amount of about 2.0 to 12.0 wt. %.5. The composition of claim 1 , wherein the polyalphaolefin has a weight average molecular weight (M) of about 5.0×10to about 1.0×10g/mol.6. The composition of claim 1 , wherein the polyalphaolefin has a kinematic viscosity at 25° C. of about 5.0 to about 1.5×10cSt.7. The composition of claim 1 , wherein the polyalphaolefin has a pour point of −100.0 to 0° C.8. The composition of claim 1 , further comprising a polyolefin and having cling force of about 0.50×10to 2.0×10g/in at 2.0×10% stretch.10. The composition of claim 9 , wherein the propylene-based elastomer is present in an amount of about 5.0 to 20.0 wt. %.11. The composition of claim 9 , wherein about 8.0 to about 22.5 wt. ...

METHOD FOR THERMALLY INSULATING AND SOUND-PROOFING COMPONENTS

Disclosed is a method for sound-proofing and/or sound-insulating metal and/or plastic components, wherein an insulating layer made of an expanded first thermoplastic polymer material is applied to the components in a first step of the method, and a mass damping layer made of a second thermoplastic polymer material having a density of from 1.5 to 5 g/cmthen is applied to the insulating layer. 1. A method for sound-proofing and/or sound-insulating components , comprising steps of:i) applying an insulating layer made of an expanded first thermoplastic polymer material to at least one surface of a component;{'sup': '3', 'ii) applying a mass damping layer made of a second thermoplastic polymer material having a density of from 1.5 to 5 g/cmto the insulating layer as a defined profile by means of direct extrusion at melting temperatures of between 120 and 300° C.'}2. The method according to claim 1 , wherein the component is used for domestic appliances or domestic machines or is a component part of a domestic appliance or domestic machine.3. The method according to claim 1 , wherein the component is a sink claim 1 , bath tub claim 1 , shower base or shower tray.4. The method according to claim 1 , wherein the component comprises substrates to be coated made of at least one of stainless steel claim 1 , PVC polymers claim 1 , polycarbonate polymers claim 1 , polypropylene polymers claim 1 , acrylonitrile butadiene styrene polymers (ABS polymers) or glass-fiber-reinforced plastics materials (FRP).5. The method according to wherein the first thermoplastic polymer material is an expanded film.6. The method according to wherein the expanded film is an expanded polypropylene film.7. The method according to wherein the first thermoplastic polymer material is applied to the component by means of blow molding and is bonded.8. The method according to wherein the second thermoplastic polymer material is a polypropylene (PP) claim 1 , ethylene vinyl acetate (EVA) or polyamide ...

PLASTIC STRAPPING BAND FOR WRAPPING AN OBJECT AND OF METHOD OF MAKING THE BAND

The present invention relates to a plastics-material strapping band () for wrapping around one or more articles. The plastics-material strapping band has the following constituent parts: a) up to approximately 90% by weight polyester, b) approximately 1% by weight to 5% by weight polyolefin and c) approximately 5% by weight to 10% by weight fibre material. The invention also relates to a method for producing a plastics-material strapping band. 1. Plastic strapping for wrapping around one or several objects , the strapping consisting essentially of the following components:a) up to about 90% polyester by weight,b) about 1 to 5% polyolefin by weight andc) about 5 to 10% fibrous material by weight.2. The plastic strapping according to claim 1 , wherein the fibrous material of component c) has a higher melting temperature than the components a) and b).3. The plastic strapping according to claim 1 , wherein the proportion of polyester of component a) is about 85% to 90% weight.4. The plastic strapping according to claim 1 , wherein the polyolefin is polyethylene claim 1 , polypropylene or combinations thereof.5. The plastic strapping according to claim 1 , wherein the fibrous material of component c) is comprised of fibers of a maximal length of up to 20 mm.6. The plastic strapping according to claim 1 , wherein natural plant and/or other mineral fibers are used as the fibrous material of component c).7. The plastic strapping according to claim 1 , wherein cellulose fibers or rubber fibers from natural polymers are used as the fibrous material of component c).8. The plastic strapping according to claim 1 , wherein the fibrous material of component c) is composed of inorganic glass fibers claim 1 , basalt fibers claim 1 , carbon fibers claim 1 , or ceramic fibers.9. The plastic strapping according to claim 1 , wherein the fibrous material of component c) is composed in combination of fibers according to to .10. A method of making of plastic strapping as defined in claim 1 ...

POLYMERIC MATERIAL AND PROCESS FOR RECYCLING PLASTIC BLENDS

There is provided a polymeric material comprising: a co-continuous or highly-continuous blend of polyethylene and polypropylene, the blend comprising a polyethylene phase and a polypropylene phase separated by a polyethylene/polypropylene interface; and one or more thermoplastics other than polyethylene and polypropylene, the one or more thermoplastics each having an interfacial tension with polypropylene higher than the interfacial tension of the polyethylene/polypropylene interface, wherein the one or more thermoplastics form discrete phases that are encapsulating each other, and wherein said discrete phases are comprised within the polypropylene phase of the co-continuous or highly-continuous blend or are located at the polyethylene/polypropylene interface. There is also provided a process for recycling a blend of thermoplastics comprising polyethylene, polypropylene and one or more other thermoplastics, the process comprising the step of melting and mixing the polyethylene, the polypropylene and the one or more other thermoplastics, thereby producing a polymeric material. 1. A polymeric material comprising:a co-continuous or highly-continuous blend of polyethylene and polypropylene, the blend comprising a polyethylene phase and a polypropylene phase separated by a polyethylene/polypropylene interface; andone or more thermoplastics other than polyethylene and polypropylene, the one or more thermoplastics each having an interfacial tension with polypropylene higher than the interfacial tension of the polyethylene/polypropylene interface,wherein the one or more thermoplastics form discrete phases that are encapsulating each other, andwherein said discrete phases are comprised within the polypropylene phase of the co-continuous or highly-continuous blend or are located at the polyethylene/polypropylene interface.2. The polymeric material of claim 1 , wherein the polyethylene/polypropylene interface is compatibilized by an interfacial agent and said discrete phases ...

THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED BODY

The purpose of the present invention is to provide: a thermoplastic resin composition which exhibits excellent rigidity, while having excellent impact strength characteristics; and a method for producing the thermoplastic resin composition. This thermoplastic resin composition, wherein a polyolefin resin contains a polyamide resin that is dispersed therein, is characterized in that: the thermoplastic resin composition is obtained by melting and kneading a polyolefin resin and a mixed resin that is obtained by melting and kneading a polyamide resin and a compatibilizer; and the compatibilizer is a modified elastomer that is obtained by providing an elastomer (such as an olefin-based thermoplastic elastomer or a styrene-based thermoplastic elastomer) with a reactive group that is reactive with the polyamide resin. The present invention also relates to a thermoplastic resin composition which is obtained by melting and kneading from 1% by mass to 80% by mass (inclusive) of a plant-derived polyamide resin such as polyamide 11, from 5% by mass to 75% by mass (inclusive) of a polyolefin resin and from 1% by mass to 30% by mass (inclusive) of a compatibilizer that is an olefin-based thermoplastic elastomer that is modified with an acid. 110.-. (canceled)11. A plant-derived polyamide resin-containing thermoplastic resin composition that is obtained by molten blending a polyamide resin , a polyolefin resin that does not comprise a reactive group that reacts with the polyamide resin , and a compatibilizer , wherein the polyamide resin is at least one plant-derived polyamide resin selected from the group consisting of polyamide 11 , polyamide 610 , polyamide 614 , polyamide 1010 , and polyamide 10T ,the content of the polyamide resin is from 1% to 80% by mass based on 100% by mass of the total of the polyamide resin, the polyolefin resin, and the compatibilizer,the content of the polyolefin resin is from 5% to 75% by mass based on 100% by mass of the total of the polyamide ...

SHOE SOLES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A shoe sole composition and method for making a shoe sole are provided. The shoe sole includes a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm. The shoe sole exhibits a compression set of from about 5.0% to about 20.0%, as measured according to ASTM D 395 (6 hrs @ 50° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm, a second polyolefin, having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent. 1. A shoe midsole comprising:{'sup': '3', 'claim-text': [{'sup': '3', 'a first polyolefin having a density less than 0.86 g/cm,'}, 'a second polyolefin having a crystallinity less than 40%,', 'a silane crosslinker,', 'a grafting initiator,', 'a condensation catalyst, and', 'a foaming agent,, 'a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm, the foamed silane-crosslinked polyolefin elastomer comprisingwherein the shoe midsole exhibits a compression set of from about 1.0% to about 50.0%, as measured according to ASTM D 395 (48 hrs @ 50° C.).2. The shoe midsole of claim 1 , wherein the first polyolefin is an ethylene/α-olefin copolymer from about 60 wt % to about 97 wt %.3. The shoe midsole of claim 1 , wherein the second polyolefin is a polypropylene homopolymer and/or a poly(ethylene-co-propylene) claim 1 , the second polyolefin from about 10 wt % to about 35 wt %.4. The shoe midsole of claim 1 , wherein the silane crosslinker comprises a vinyltrialkoxy silane from about 1 wt % to about 4 wt %.5. The shoe midsole of claim 1 , wherein the grafting initiator comprises one or more halogen molecules claim 1 , azo compounds claim 1 , carboxylic peroxyacids claim 1 , peroxyesters claim 1 , peroxyketals claim 1 , and peroxides claim 1 , the grafting initiator from greater than 0.15 wt % to about 2 wt %.6. The shoe ...

Method of Making Thermoplastic Vulcanizates and Thermoplastic Vulcanizates Made Therefrom

The present disclosure relates to a method for making thermoplastic vulcanizates comprising dynamically vulcanizing an elastomer in an extrusion reactor with a curative in the presence of a thermoplastic resin to form a thermoplastic vulcanizate. Process oil is added to the extrusion reactor at a first, second, and third location, where the amount of process oil introduced at the first oil injection location is less than that introduced at the second oil injection location, where the third oil injection location is downstream of where the curative is introduced to the extrusion reactor, and where the thermoplastic vulcanizate comprises at least 25 wt % of oil based on the weight of the thermoplastic vulcanizate. 1. A method for making a thermoplastic vulcanizate , the method comprising the steps of:(i) introducing an elastomer to an extrusion reactor, wherein the elastomer comprises less than about 25 phr of extender oil;(ii) introducing a thermoplastic resin to the extrusion reactor;(iii) introducing at least 7 phr of an inert solid particulate to the extrusion reactor;(iv) introducing a first amount of process oil to the extrusion reactor at a first oil injection location;(v) introducing a second amount of process oil to the extrusion reactor at a second oil injection location, where the second oil injection location is downstream of the first oil injection location, and wherein the second amount of process oil is greater than the first amount of process oil;(vi) introducing a curative to the extrusion reactor a location that is downstream of the second oil injection location;(vii) introducing a third amount of process oil to the extrusion reactor at a third oil injection location, where the third oil injection location is downstream of the location where the curative is introduced to the extrusion reactor; and(viii) dynamically vulcanizing the elastomer with the curative in the presence of the thermoplastic resin to form the thermoplastic vulcanizate;wherein the ...

EASY TO DISPERSE CALCIUM CARBONATE TO IMPROVE HOT TACK STRENGTH

The present invention relates to a process for producing an extrusion-coated material, an extrusion-coated material produced by the process, an article comprising the extrusion-coated material as well as the use of the extrusion-coated material in a lamination process. 1. A process for producing an extrusion-coated material comprising the following steps:a) providing at least one filler material in powder form,b) providing at least one polymer binder,c) providing at least one thermoplastic polymer,d) simultaneously or subsequently feeding the at least one filler material of step a) andthe at least one polymer binder of step b) into a high speed mixer unit,e) mixing the at least one filler material of step a) and the at least one polymer binder of step b) in the high speed mixer unit to obtain a compacted material,f) reducing the temperature of the compacted material obtained in step d) below the melting point or glass transition temperature of the at least one polymer binder,g) combining the compacted material obtained in step f) and the at least one thermoplastic polymer of step c) to obtain a filled thermoplastic polymer,h) extrusion coating the filled thermoplastic polymer obtained in step g) on at least a portion of the surface of a substrate.2. The process of claim 1 , wherein the at least one filler material of step a) comprises a calcium carbonate-comprising filler material.3. The process of claim 1 , wherein the at least one filler material of step a) is a calcium carbonate-comprising filler material being selected from the group consisting of natural ground calcium carbonate claim 1 , precipitated calcium carbonate claim 1 , surface-modified calcium carbonate claim 1 , and mixtures thereof claim 1 , and preferably natural ground calcium carbonate.4. The process of claim 1 , wherein the at least one filler material of step a) has a weight median particle size dfrom 0.05 to 10 μm claim 1 , preferably from 0.1 to 7 μm claim 1 , more preferably from 0.25 to 5 μ ...

Bamboo Fibers Reinforced Polypropylene Compositions

A bamboo fibers reinforced polypropylene composition may include at least 50 wt % of a heterophasic propylene copolymer; from 2 to 40 wt % of bamboo fibers; and from 0.1 to 10 wt % of a coupling agent. The composition may show a melt flow index that is at least 5 g/10 min at 190° C. under a load of 2.16 kg according to ISO 1133, condition L; a density that is in the range of 0.900 and 1.010 g/cmaccording to ISO 1183; and a flexural modulus is in the range of 1100 MPa and 4000 MPa according to ISO 178. The composition may be prepared by mixing and kneading, and may be used to form articles. 113-. (canceled)14. A composition comprising:a) at least 50 wt % relative to a total weight of the composition of a heterophasic propylene copolymer;b) from 2 to 40 wt % relative to the total weight of the composition of bamboo fibers;c) from 0.1 to 10 wt % relative to the total weight of the composition of a coupling agent; andd) from 0 to 30 wt % relative to the total weight of the composition of an inorganic filler; a melt flow index that is at least 5 g/10 min at 190° C. under a load of 2.16 kg according to ISO 1133, condition L;', {'sup': '3', 'a density that is in the range of 0.900 and 1.010 g/cmaccording to ISO 1183; and'}, 'a flexural modulus that is in the range of 1100 MPa and 4000 MPa according to ISO 178., 'wherein the composition exhibits the following properties15. The composition according to claim 14 , characterized in that the charpy impact strength notched of the composition at 23° C. according to ISO 179 claim 14 , is at least 3 kJ/m.16. The composition according to claim 14 , wherein the composition comprises from 2 to 17 wt % of bamboo fibers claim 14 , and wherein the charpy impact strength notched of the composition at 23° C. according to ISO 179 claim 14 , is at least 8 kJ/m.17. The composition according to claim 14 , characterized in that the charpy impact strength notched of the composition at −20° C. according to ISO 179 claim 14 , is at least 3.5 kJ/m. ...

Polypropylene resin composition and expanded molding

A polypropylene-based resin composition is provided that can provide a foam molding that exhibits an excellent closed cell characteristic and excellent extrusion characteristics, that is light weight and has a rigid feel, and that has an excellent recyclability. This polypropylene-based resin composition contains 100 weight % or is less than 100 weight % but at least 70 weight % of component (A) below and contains 0 weight % or is greater than 0 weight % but not more than 30 weight % of component (B) below, component (A): a propylene-based resin composition that comprises at least the following two components: a propylene-α-olefin copolymer (A1) satisfying conditions (A-1) to (A-3) and a propylene homopolymer (A2), (A1) and (A2) being obtained by polymerization by a multistage polymerization method, and this propylene-based resin composition having a content of (A1) of 1 to 20 weight % and a content of (A2) of 99 to 80 weight %, having a melt flow rate in the range from 5 to 20 g/10 minutes and exhibiting strain hardening in a measurement of extensional viscosity at a temperature of 180° C. and a strain rate of 10 s −1 , (A-1) an α-olefin content of 15 to 85 weight %, (A-2) an intrinsic viscosity q of 5 to 20 dL/g, (A-3) a Mw/Mn of 5 to 15; component (B): a propylene-based resin composition comprising at least the following two components: a propylene homopolymer or a propylene-α-olefin copolymer having a content of non-propylene α-olefin of less than 1 weight % (B1), which has an MFR of 10 to 1000 g/10 minutes, and a propylene-α-olefin copolymer (B2) that has a weight-average molecular weight of 500,000 to 10,000,000 and a content of non-propylene α-olefin of 1 to 15 weight %, (B1) and (B2) being obtained by polymerization by a multistage polymerization method, and this propylene-based resin composition having a content of (B1) of 50 to 90 weight % and a content of (B2) of 50 to 10 weight %, and satisfying prescribed conditions (B-1) to (B-3).

Thermoplastic Rubber Composition and Molded Product Using Same

Disclosed is a thermoplastic rubber composition comprising, based on 100 parts by weight of a block terpolymer (A) of an aromatic vinyl compound and an alkene compound, 50 to 100 parts by weight of a paraffin oil (B), 30 to 70 parts by weight of an inorganic additive (C), 5 to 30 parts by weight of a polyolefin-based resin (D), and 30 to 70 parts by weight of an acryl-based resin (E). The hardness of the thermoplastic rubber composition may be freely adjusted and the thermoplastic rubber composition has a bonding strength of 2 to 4 N/mm as measured using a UTM according to a KS M 6518 peeling test method. Accordingly, bonding strength thereof to a thermoplastic resin is increased even without addition of an adhesive. 1. A thermoplastic rubber composition comprising , based on 100 parts by weight of a block terpolymer (A) of an aromatic vinyl compound and an alkene compound ,50 to 100 parts by weight of a paraffin oil (B);30 to 70 parts by weight of an inorganic additive (C);5 to 30 parts by weight of a polyolefin-based resin (D); and30 to 70 parts by weight of an acryl-based resin (E).2. The thermoplastic rubber composition according to claim 1 , wherein the terpolymer (A) is an A-B-A′ type claim 1 , wherein A and A′ blocks are hard segments and B block is a soft segment claim 1 , wherein the terpolymer (A) comprises the hard segments in an amount of 20 to 35% by weight and the soft segment in an amount of 65 to 80% by weight.3. The thermoplastic rubber composition according to claim 2 , wherein A and A′ blocks are aromatic vinyl-based polymers and B block is a conjugated diene-based polymer.4. The thermoplastic rubber composition according to claim 1 , wherein the terpolymer (A) is selected from the group consisting of a styrene-ethylene-butadiene-styrene (SEBS) block copolymer claim 1 , a styrene-ethylene-propylene-styrene (SEPS) block copolymer claim 1 , a styrene-isoprene-styrene (SIS) block copolymer claim 1 , a styrene-ethylene-isoprene-styrene (SEIS) block ...

METHOD OF PRODUCING SLIDING MATERIAL FOR WEATHER STRIPS

PP, an EPDM prior to crosslinking, and PE particles are fed into a twin screw extruder and melt-kneaded so that the EPDM is dynamically crosslinked, whereby a sliding material for weather strips formed of an olefin-based TPV in which the PE particles are dispersed is produced. The amount of the PE particles blended is 10 parts by mass to 90 parts by mass with respect to 100 parts by mass of the total amount of the PP and the EPDM. It is preferable that the PE particles have an average particle diameter of 30 μm to 200 μm before the feeding, and are micronized by the melt kneading to have an average particle diameter of 10 μm to 50 μm in the produced sliding material for weather strips. 1. A method of producing a sliding material for weather strips , the sliding material formed of an olefin-based TPV in which PE particles are dispersed , the method comprising feeding PP , an EPDM prior to crosslinking , and PE particles into a twin screw extruder and melt-kneading the PP , the EPDM , and the PE particles to dynamically crosslink the EPDM.2. The method of producing a sliding material for weather strips according to claim 1 , wherein the PE particles are blended in an amount of 10 parts by mass to 90 parts by mass with respect to 100 parts by mass of the total amount of the PP and the EPDM.3. The method of producing a sliding material for weather strips according to claim 1 , wherein the PE particles have an average particle diameter of 30 μm to 200 μm before the feeding claim 1 , and are micronized by the melt-kneading to have an average particle diameter of 10 μm to 50 μm in a produced sliding material for weather strips.4. The method of producing a sliding material for weather strips according to claim 1 , wherein a material for the PE particles is an ultra-high molecular weight PE.5. The method of producing a sliding material for weather strips according to claim 1 , wherein claim 1 , in the sliding material for weather strips claim 1 , 30 parts by mass or less of ...

Masterbatches for preparing a composite material based on semi-crystalline polymer with enhanced conductivity properties, process and composite materials produced therefrom

The present invention relates to a masterbatch for use in a process of preparing a composite material comprising a blend of a first semi-crystalline polymer with at least 5 wt % carbon nanotubes. Good dispersion of the carbon nanotube is obtained within the masterbatch and evidenced by the blending of the masterbatch with a second semi-crystalline polymer miscible with the first one in respective proportions to obtain a composite material containing about 1 wt % of carbon nanotubes wherein said composite material yields an agglomerate area fraction U % lower than 2 and a surface resistivity lower than 10ohm/sq. 114.-. (canceled)15. A masterbatch for use in a process of preparing a composite material , the masterbatch comprising a blend of a first semi-crystalline polymer having a melting temperature Tm1 as measured according to ISO11357-3 , with carbon nanotubes , wherein the carbon nanotubes content being of at least 5 wt % of carbon nanotubes based on the total weight of the masterbatch as determined according to ISO11358 , the masterbatch having a high load melt index HLMI ranging from 100 g/10 min to 1000 g/10 min as determined according to ISO1133 under a load of 21.6 kg;characterised in that the first semi-crystalline polymer is selected from syndiotactic polypropylene and isotactic polypropylene; an agglomerate area fraction U % lower than 2%, as determined in accordance with ASTM D-2663-14,', {'sup': '5', 'a surface resistivity lower than 10ohm/sq, as determined according to CEI60167.'}], 'and in that the masterbatch presents a dispersion of the carbonanotubes as determined by the following characterization test: the masterbatch is blended with a second semi-crystalline polymer in respective proportions to obtain a composite material containing from 0.9 wt % to 1.1 wt, with respect to the total weight of the composite material as determined according to ISO11358, wherein the second semi-crystalline polymer is selected to be miscible with the first ...

ROOFING MEMBRANES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). 1. A roofing membrane comprising:{'sup': '3', 'a top layer comprising a flame retardant and a first silane-crosslinked polyolefin elastomer having a density less than 1.45 g/cm;'}an optional scrim layer; and{'sup': '3', 'a bottom layer comprising a flame retardant and a second silane-crosslinked polyolefin elastomer having a density less than 1.45 g/cm.'}2. The roofing membrane of claim 1 , wherein the flame retardant comprises a magnesium hydroxide and/or an aluminum hydroxide from about 20 wt % to about 70 wt %.3. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers both exhibit a crystallinity of from about 5% to about 25%.4. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers have a glass transition temperature of from about −75° C. to about −25° C.5. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers each comprise a first polyolefin having a density less than 0.86 g/cm claim 1 , a second polyolefin claim 1 , a silane crosslinker claim 1 , a grafting initiator claim 1 , and a condensation catalyst.6. The roofing membrane of claim 5 , wherein the silane crosslinker comprises a vinyltrialkoxy silane from about 1 wt % to about 4 wt %.7. The roofing membrane of claim 5 , wherein the condensation catalyst comprises a sulfonic ester catalyst and/or a tin catalyst from about 1 wt % to ...

POLYMERIC MATERIAL FOR AN INSULATED CONTAINER

A formulation includes a base resin, a nucleating agent, and a blowing agent. The formulation can be used to form a container. 1. A polymeric formulation comprisingabout 50-99.9 wt % of a base resin,up to about 10 wt % of a slip agent,up to about 10 wt % of a chemical blowing agent, andabout 0.5-10 wt % of a nucleating agent.2. (canceled)3. The polymeric formulation of claim 1 , wherein the base resin is about 95 to 98 wt %.4. (canceled)5. The polymeric formulation of claim 3 , wherein the base resin is about 96 wt % to about 97 wt %.6. The polymeric formulation of any of claim 1 , wherein the base resin comprises a secondary base resin.7. The polymeric formulation of claim 6 , wherein the secondary base resin is up to about 50 wt %.8. The polymeric formulation of claim 6 , wherein the secondary base resin is up to about 10 wt %.911-. (canceled)12. The polymeric formulation of claim 8 , wherein the secondary base resin is a polypropylene resin.1315-. (canceled)16. The polymeric formulation of claim 1 , wherein the slip agent is about 1 to 3 wt %.17. (canceled)18. The polymeric formulation of further comprising up to about 10 wt % of a colorant.19. The polymeric formulation of claim 18 , wherein the colorant is up to about 5 wt %.20. (canceled)21. The polymeric formulation of claim 19 , wherein the colorant is about 0.5 to 2 wt %.2223-. (canceled)24. The polymeric formulation of claim 1 , wherein the nucleating agent is about 0.5 to 5 wt %.2526-. (canceled)27. The polymeric formulation of claim 24 , wherein the chemical blowing agent is about 0.1 to 2 wt %.28. (canceled)29. The polymeric formulation of claim 27 , wherein the chemical blowing agent is about 0.1 wt %.3034-. (canceled)35. The polymeric formulation of claim 1 , wherein the nucleating agent is selected from the group consisting of a chemical nucleating agent claim 1 , a physical nucleating agent claim 1 , and a combination of a chemical nucleating agent and a physical nucleating agent.36. The polymeric ...

Biaxially oriented polypropylene film

Provided is a biaxially oriented polypropylene film that has high stiffness, has excellent heat resistance at a high temperature of 150° C., easily maintains a bag shape when being made into a packaging bag, and has less pitch shift during printing or fewer wrinkles in a sealed portion when being heat-sealed. A biaxially oriented polypropylene film, wherein a maximum elongation of the biaxially oriented polypropylene film at 150° C. or lower measured by a thermomechanical analyzer (TMA) is not larger than 1.5 mm in a longitudinal direction and not larger than 0.1 mm in a width direction, and a heat shrinkage rate of the biaxially oriented polypropylene film at 150° C. is not higher than 10% in the longitudinal direction and not higher than 30% in the width direction.

FOAMABLE RESIN COMPOSITION AND MOLDED FOAM

The present invention provides a foamable resin composition excellent in terms of the dispersibility and moldability. The foamable resin composition containing: from 30 to 80 wt % of a polyolefin; from 3 to 40 wt % of a polylactic acid; from 1 to 20 wt % of a modified polyolefin containing a carbonyl group in a molecule; from 10 to 40 wt % of a layered silicate; and from 0.01 to 0.5 wt % of a filler, the polyolefin containing at least one of polypropylene and polyethylene, the filler having a density different from the density of the layered silicate by at least 0.20 g/cm. 1. A foamable resin composition comprising:from 30 to 80 wt % of a polyolefin;from 3 to 40 wt % of a polylactic acid;from 1 to 20 wt % of a modified polyolefin containing a carbonyl group in a molecule;from 10 to 40 wt % of a layered silicate; andfrom 0.01 to 0.5 wt % of a filler,the polyolefin containing at least one of polypropylene and polyethylene,{'sup': '3', 'the filler having a density different from the density of the layered silicate by at least 0.20 g/cm.'}2. A molded foam obtained by foam molding the foamable resin composition according to .3. The molded foam according to claim 2 , obtained by blending a foamable resin composition comprising:from 30 to 80 wt % of a polyolefin;from 3 to 40 wt % of a polylactic acid;from 1 to 20 wt % of a modified polyolefin containing a carbonyl group in a molecule;from 10 to 40 wt % of a layered silicate; andfrom 0.01 to 0.5 wt % of a filler,the polyolefin containing at least one of polypropylene and polyethylene,{'sup': '3', 'the filler having a density different from the density of the layered silicate by at least 0.20 g/cm;'}and a supercritical fluid and making the resulting mixture foam.41. The molded foam according to claim 2 , obtained by injection molding a foamable resin composition comprising:from 30 to 80 wt % of a polyolefin;from 3 to 40 wt % of a polylactic acid;from 1 to 20 wt % of a modified polyolefin containing a carbonyl group in a ...

FORMED BODY HAVING A LAYER OF THERMOPLASTIC RESIN

A formed body having a layer of a resin composition constituted by a thermoplastic resin and a barrier resin, wherein the layer of the resin composition forms, in a matrix of the thermoplastic resin, a layer structure in which the barrier resin is dispersed in the form of a lamellar dispersion phase stretching in one direction; and the ratio (a)/(b) of an aspect ratio (a) of the dispersion phase of the barrier resin near the surfaces of the layer and an aspect ratio (b) of the dispersion phase of the barrier resin in the central portion in the direction of thickness of the layer, is not more than 2.0. The formed body has the layer of the resin composition constituted by the thermoplastic resin and the barrier resin, and has a dispersion structure capable of exhibiting excellent barrier property despite of the single layer. 1. A formed body having a layer of a resin composition constituted by a thermoplastic resin and a barrier resin , wherein:the layer of said resin composition forms, in a matrix of the thermoplastic resin, a layer structure in which the barrier resin is dispersed in the form of a lamellar dispersion phase stretching in one direction; andthe ratio (a)/(b) of an aspect ratio (a) of the dispersion phase of the barrier resin near the surfaces of the layer and an aspect ratio (b) of the dispersion phase of the barrier resin in the central portion in the direction of thickness of the layer, is not more than 2.0.2. The formed body according to claim 1 , wherein the aspect ratio (b) is 1.6 to 3.0.3. The formed body according to claim 1 , wherein the aspect ratio (a) is 2.5 to 4.0.4. The formed body according to claim 1 , wherein the ratio (MFRb/MFRm) of a melt flow rate (MFRb) of said barrier resin and a melt flow rate (MFRm) of said thermoplastic resin is 11 to 200.5. The formed body according to claim 1 , wherein the melt flow rate (MFRm) of said thermoplastic resin is 0.5 to 25 g/10 min. claim 1 , while the melt flow rate (MFRb) of said barrier resin is ...

PROPYLENE BASED RESIN COMPOSITION AND USE THEREOF

Means for solving the problems 1. A single-layer or multi-layer film comprising at least one layer that is made of a resin composition (X4) comprising (A4) and (B4) below and monoaxially or biaxially oriented:10 to 97 wt % of an isotactic polypropylene (A4); and{'sub': 4', '20, '3 to 90 wt % of a propylene/ethylene/α-olefin copolymer (B4) containing 40 to 85 mol % of propylene-derived structural units, 5 to 30 mol % of ethylene-derived structural units, and 5 to 30 mol % of C-Cα-olefin-derived structural units (a4), the melting point of (B4) being lower than 100° C. or not observed when measured with a differential scanning calorimeter,'}wherein, the total of (A4) and (B4) is 100 wt %.2. The film according to claim 1 , wherein the resin composition (X4) contains a hydrocarbon resin (C4) having a softening point of 50° C. to 160° C. as measured with the ring-and-ball method and a number-average molecular weight of 300 to 1400 as measured by gel permeation chromatography (GPC) in an amount of 3 to 70 parts by weight relative to 100 parts by weight of the total of (A4) and (B4).3. A heat-shrinkable film comprising the film according to .4. A resin composition (X4) comprising:10 to 97 wt % of an isotactic polypropylene (A4);{'sub': 4', '20, '3 to 90 wt % of a propylene/ethylene/α-olefin copolymer (B4) containing 40 to 85 mol % of propylene-derived structural units, 5 to 30 mol % of ethylene-derived structural units, and 5 to 30 mol % of C-Cα-olefin-derived structural units (a4), the melting point of (B4) being lower than 100° C. or not observed when measured with a differential scanning calorimeter,'}wherein the total of (A4) and (B4) is 100 wt %; anda hydrocarbon resin (C4) having a softening point of 50° C. to 160° C. as measured with the ring-and-ball method and a number-average molecular weight of 300 to 1400 as measured by GPC in an amount of 3 to 70 parts by weight relative to 100 parts by weight of the total of (A4) and (B4).5. A heat-shrinkable film comprising ...

Composite resin particles, and foamable composite resin particles, pre-foamed resin particles, and molded foam body using same

Composite resin particles including a polypropylene-based resin and a polystyrene-based resin, wherein the content of the polystyrene-based resin is 100 to 400 parts by mass with respect to 100 parts by mass of the polypropylene-based resin, a surface area section is in a state in which the polystyrene-based resin with a particle diameter of 0.3 μm or less is dispersed in the polypropylene-based resin, an outermost surface area section is in a state in which the polystyrene-based resin with a particle diameter of 0.3 to 1.5 μm is dispersed in the polypropylene-based resin, and the ratio of the absorbance derived from the polystyrene-based resin and the absorbance derived from the polypropylene-based resin obtained from an infrared absorption spectrum of the surface of the composite resin particles is 0.5 to 2.5.

MASTERBATCH COMPRISING COLORANT PARTICLES AND A POLYOL POLY(HYDROXY FATTY ACID) ESTER AS DISPERSING AGENT

The present invention relates to a masterbatch comprising colorant particles, a polyol poly(hydroxy fatty acid) ester dispersing agent and a carrier resin. The masterbatch is used for coloring thermoplastic polymer compositions. The present invention also relates to a method for producing said masterbatch, a colored thermoplastic polymer composition comprising said masterbatch and colored thermoplastic products formed of said colored thermoplastic composition. 1. A masterbatch for coloring of thermoplastic polymer compositions , said masterbatch comprising a colorant in a total amount of 10-50% (w/w) relative to the total weight of the masterbatch , a dispersing agent in a total amount of 0.5-20% (w/w) relative to the total weight of the masterbatch and a carrier resin in a total amount of 30-80% (w/w) relative to the total weight of the masterbatch , wherein the dispersing agent is a polyol poly(hydroxy fatty acid) ester (pphe dispersing agent) wherein the pphe dispersing agent is poly(glycerol) poly(ricinoleate) ester (PGPR) in which the esterified poly(ricinoleate) has an average degree of polymerization of at least 5 and in which the esterified polyglycerol of the PGPR has an average degree of polymerization of 2-5.2. (canceled)3. (canceled)4. The masterbatch according to claim 1 , wherein the total amount of pphe dispersing agent in the masterbatch is 3-10% (w/w) relative to the total weight of the masterbatch.5. (canceled)6. The masterbatch according to claim 1 , wherein the colorant is a pigment composition comprising organic claim 1 , metalorganic and/or inorganic particles claim 1 , where said particles are insoluble in polymers.7. (canceled)8. The masterbatch according to claim 1 , wherein the total amount of colorant in the masterbatch is 20-50% (w/w) relative to the total weight of the masterbatch.9. The masterbatch according to claim 1 , wherein the carrier resin is selected from the group consisting of polyolefins claim 1 , acrylic resins claim 1 , ...

THERMOPLASTIC ELASTOMER COMPOSITION, USE THEREOF, METHOD FOR PRODUCING SAME, ETHYLENE/a-OLEFIN/UNCONJUGATED POLYENE COPOLYMER AND USE THEREOF

[Problem] The purpose of the invention is to provide: a thermoplastic elastomer composition capable of providing molded articles that are lightweight, have better oil resistance than those provided by conventional cross-linked thermoplastic elastomers, and have hardness and mechanical properties such as tensile strength and tensile elongation that are equal to or superior to those provided by conventional cross-linked thermoplastic elastomers; and an ethylene/α-olefin/unconjugated polyene copolymer having little compression set at low temperature as well as flexibility and an excellent balance of rubber elasticity at low temperature and tensile strength at normal temperature. 1. A thermoplastic elastomer composition obtained by dynamically cross-linking a mixture containinga crystalline olefin polymer (A),an ethylene.α-olefin (C4-C20).non-conjugated polyene copolymer (1B) satisfying the following requirements (1) and (2), anda phenol resin-based cross-linking agent (C); {'br': None, 'i': B', 'EX]+', 'Y', 'E', 'X]+[Y, 'value=([2[])/[2×[]×([])]\u2003\u2003(i),'}, '(1) a B value represented by the following equation (i) is 1.20 to 1.80wherein [E], [X], and [Y] represent a mole fraction of structural units derived from the ethylene, a mole fraction of structural units derived from the C4-C20 α-olefin, and a mole fraction of structural units derived from the non-conjugated polyene respectively, and [EX] represents a diad chain fraction of the structural units derived from the ethylene-the structural units derived from the C4-C20 α-olefin; and(2) in the copolymer (1B), a molar ratio of the structural units derived from the ethylene to the structural units derived from the α-olefin (C4-C20) is 40/60 to 90/10.2. The thermoplastic elastomer composition according to claim 1 , wherein the α-olefin of the ethylene.α-olefin.non-conjugated polyene copolymer (1B) is 1-butene.3. The thermoplastic elastomer composition according to claim 1 , wherein the mixture further comprises 2 ...

Thermoplastic elastomer composition and production process for the same

A thermoplastic elastomer composition obtained by dynamically crosslinking an ethylene/α-olefin/non-conjugated polymer copolymer (A), a polyolefin resin (B), a softener (C) in an amount of 1 to 200 parts by mass per 100 parts by mass of the total of the copolymer (A) and the resin (B), and a crosslinking agent (D) by the use of a batch mixer under the conditions satisfying the requirements (1) to (4).

Flexible substrate, method for preparing the same, and display device comprising the same

A flexible substrate, a method for preparing the same, and a display device including the same, and more particularly, to a flexible substrate including: a first polymer layer including a first polymer; second polymer layers which include second polymers and are located above and below the first polymer layer; and first interfacial crosslinked layers which are located between the first polymer layer and the second polymer layers and include a first crosslinked polymer having a network structure in which the first polymer and the second polymer are crosslinked, in which the stiffness of the first polymer layer is higher than the stiffness of the second polymer layer and the softness of the second polymer layer is higher than the softness of the first polymer layer, a method for preparing the same, and a display device including the same.

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 is wrinkle-resistant or crease resistant.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 a circumferential direction of less than about 2.75.5. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of less than about 2.5.6. The insulative cellular polypropylene-based material of having a cell aspect ratio in an axial direction of less than about 2.75.7. The insulative cellular polypropylene-based material of having a cell aspect ratio in the axial direction of less than about 2.5.8. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of less than about 3.5.9. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of less than about 3.25.10. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of less than about 3.0.11. The insulative cellular polypropylene-based material of having a cell aspect ratio in the circumferential direction of less than about 2.75.12. The insulative cellular polypropylene-based material of having a cell aspect ratio ...

LIGHT-TRANSMISSIVE FOAM COMPOSITION AND PROCESS

A polyolefin foam having improved light-transmittance comprises an average cell size of about 70 microns to about 500 microns; a total cell wall thickness to gauge ratio of between about 0.15 to about 0.55; a basis weight of about 0.00005 lb/into about 0.00050 lb/in; an L color solid value of about 95 to about 45; and a light transmittance of about 10% to about 50% according to JIS K 7361-1. 1. A polyolefin foam , comprising:an average cell size of about 70 microns to about 500 microns;a total cell wall thickness to gauge ratio of between about 0.15 to about 0.55;{'sup': 2', '2, 'a basis weight of about 0.00005 lb/into about 0.00050 lb/in;'}an L color solid value of about 95 to about 45; anda light transmittance of about 10% to about 50% according to JIS K 7361-1.2. The polyolefin foam of claim 1 , wherein the average cell size is about 80 microns to about 465 microns.3. The polyolefin foam of claim 1 , wherein the average cell size is about 195 microns to about 465 microns.4. The polyolefin foam of claim 1 , wherein the basis weight is about 0.00008 lb/into about 0.00043 lb/in.5. The polyolefin foam of claim 1 , wherein the basis weight is about 0.00008 lb/into about 0.00027 lb/in.6. The polyolefin foam of claim 1 , wherein the L color solid value is about 91 to about 65.7. The polyolefin foam of claim 1 , wherein the light transmittance is about 15% to about 45%.8. The polyolefin foam of claim 1 , wherein the light transmittance is about 15% to about 35%.9. The polyolefin foam of claim 1 , wherein the total cell wall thickness to gauge ratio is about 0.18 to about 0.50.10. The polyolefin foam of claim 1 , wherein the total cell wall thickness to gauge ratio is about 0.22 to about 0.50.11. The polyolefin foam of claim 1 , further comprising one or more resins selected from the group consisting of: low density polyethylene (LDPE) claim 1 , linear low density polyethylene (LLDPE); ethylene vinyl acetate (EVA); polypropylene (PP); ethylene propylene diene monomer ( ...

ANTIOXIDANT-CONTAINING FOAMABLE RESIN PARTICLES, METHOD FOR PRODUCING SAME, FOAMABLE PARTICLES, AND FOAM-MOLDED ARTICLE

Antioxidant-containing expandable resin particles including composite resin particles containing 100 to 400 parts by mass of polystyrene-based resin relative to 100 parts by mass of polypropylene-based resin, and a blowing agent and an antioxidant contained in the composite resin particles, wherein the polypropylene-based resin is abundantly present on the surface of the composite resin particles and poorly present at the center of the particles, and the composite resin particles contain 150 to 1500 ppm of antioxidant. 1. Antioxidant-containing expandable resin particles comprising composite resin particles containing 100 to 400 parts by mass of polystyrene-based resin relative to 100 parts by mass of polypropylene-based resin , and a blowing agent and an antioxidant contained in the composite resin particles , wherein:the polypropylene-based resin is abundantly present on the surface of the composite resin particles and poorly present at the center of the particles; andthe composite resin particles contain 150 to 1500 ppm of antioxidant.2. The antioxidant-containing expandable resin particles according to claim 1 , wherein a content of the polystyrene-based resin relative to 100 parts by mass of the polypropylene-based resin is 150 to 300 parts by mass.3. The antioxidant-containing expandable resin particles according to claim 1 , wherein the polypropylene-based resin is present on the surface of the composite resin particles at 51 to 85% and the polystyrene-based resin is present on the surface of the composite resin particles at 15 to 49%.4. The antioxidant-containing expandable resin particles according to claim 1 , wherein the composite resin particles contain 200 to 1400 ppm of antioxidant.5. A method for producing the antioxidant-containing expandable resin particles according to claim 1 , comprisingthe step of impregnating the composite resin particles with an antioxidant together with a flame retardant or a blowing agent.6. The method for producing the ...

FIBER-REINFORCED POLYPROPYLENE-BASED COMPOSITE RESIN COMPOSITION WITH REDUCED ODOR FOR INTERIOR PARTS OF AUTOMOBILES

The present disclosure relates to a fiber-reinforced polypropylene composite resin composition with reduced odor for interior parts of vehicles which includes an inorganic deodorant with excellent effects of reducing odors so as to improve indoor air quality, and includes a mixture of a polypropylene polymer, a thermoplastic elastomer, a fiber-shaped filler, a coupling agent, a slip agent and a UV stabilizer. 1. A fiber-reinforced polypropylene composite resin composition comprising:35 to 50% by weight of a polypropylene polymer;30 to 40% by weight of a thermoplastic elastomer;15 to 25% by weight of a fiber-shaped filler;0.5 to 2% by weight of a coupling agent; and2 to 4% by weight of an inorganic deodorant.2. The fiber-reinforced polypropylene composite resin composition according to claim 1 , further comprising:a slip agent; anda UV stabilizer.3. The fiber-reinforced polypropylene composite resin composition according to claim 1 , wherein the polypropylene polymer is selected from the group consisting of a propylene homopolymer claim 1 , a propylene-ethylene copolymer or mixtures thereof.4. The fiber-reinforced polypropylene composite resin composition according to claim 3 , wherein the propylene homopolymer has a melt flow index of 10 to 25 g/10 min (230° C. claim 3 , 2.16 kg).5. The fiber-reinforced polypropylene composite resin composition according to claim 3 , wherein the propylene-ethylene copolymer comprises:a first propylene-ethylene copolymer having a melt flow index of 25 to 35 g/100 g/10 min (230° C., 2.16 kg); anda second propylene-ethylene copolymer having a melt flow index of 90 to 100 g/10 min (230° C., 2.16 kg).6. The fiber-reinforced polypropylene composite resin composition according to claim 1 , wherein the polypropylene polymer has a weight average molecular weight of 80 claim 1 ,000 to 600 claim 1 ,000 g/mol and a specific gravity of 0.89 to 0.91.7. The fiber-reinforced polypropylene composite resin composition according to claim 1 , wherein ...

POLYETHYLENE AND CONTROLLED RHEOLOGY POLYPROPYLENE POLYMER BLENDS AND METHODS OF USE

Polymer blends, methods of making, and methods of using the polymer blends are described. A polymer blend can include a polyethylene (PE) polymer and a controlled rheology polypropylene (CRPP) polymer having a PE polymer to CRPP polymer (PE:CRPP) weight ratio of greater than 1:1. 1. A polymer blend comprising a polyethylene (PE) and a controlled-rheology polypropylene (CRPP) having a PE to CRPP (PE:CRPP) weight ratio of greater than 1:1.2. The polymer blend of claim 1 , wherein the CRPP comprises unreacted prodegradant blended therewith.3. The polymer blend of claim 2 , wherein the prodegradant is a peroxide compound.4. The polymer blend of claim 1 , wherein the polymer blend has a higher melt strength than the melt strength of the PE absent the CRPP.5. The polymer blend of claim 4 , wherein the higher melt strength of the polymer blend comprises an increased zero shear viscosity and a decreased breadth parameter as compared to the PE absent the CRPP.6. The polymer blend of claim 1 , wherein the PE is selected from the group consisting of a low density polyethylene (LDPE) claim 1 , a linear low density polyethylene (LLDPE) claim 1 , a medium density polyethylene (MDPE) claim 1 , a high density polyethylene (HDPE) claim 1 , an ethylene copolymer claim 1 , or blends thereof.7. The polymer blend of claim 6 , wherein the PE is a metallocene catalyst based polymer.8. The polymer blend of claim 1 , wherein the blend includes 1 wt. % to 10 wt. % of CRPP and 99 wt. % to 90 wt. % of PE.9. The polymer blend of claim 1 , wherein the CRPP has a melt flow rate (MRF) of at least 100 g/10 min.10. The polymer blend of claim 9 , wherein the CRPP comprises 0.001 wt. % to 5 wt. % of unreacted prodegradant.11. The polymer blend of claim 1 , further comprising one or more additives.12. The polymer blend of claim 11 , wherein the additive comprises an antiblocking agent claim 11 , an antistatic agent claim 11 , an antioxidant claim 11 , a neutralizing agent claim 11 , a blowing agent ...

HEAT-SHRINKABLE LABEL, PACKAGE, AND MANUFACTURING METHOD FOR HEAT-SHRINKABLE LABEL

Provided are a heat-shrinkable label and a package each having solvent bonded-portion where solvent penetration-through is not caused even when the film is thin. Provided are particularly a heat-shrinkable label and a package each having solvent bonded-portion gaining a high peel strength stability even when the film is passed through a tubing step made high in speed. A heat-shrinkable label has a tubular shape, in which both end portions of a heat-shrinkable polyvinyl chloride-based film or a heat-shrinkable polystyrene-based film are bonded to each other with a solvent composition. The solvent composition contains at least one organic solvent selected from the group consisting of tetrahydrofuran (THF), methyl ethyl ketone (MEK) and ethyl acetate, and at least one resin selected from the group consisting of polyester, polypropylene and hydrogenated petroleum resin, and the end portion bonded has a peel strength of 2 N/15 mm or more. 1. A heat-shrinkable label having a tubular shape , in which both end portions of a heat-shrinkable polyvinyl chloride-based film or a heat-shrinkable polystyrene-based film are bonded to each other with a solvent composition ,wherein the solvent composition contains at least one organic solvent selected from the group consisting of tetrahydrofuran (THF), methyl ethyl ketone (MEK) and ethyl acetate, and at least one resin selected from the group consisting of polyester, polypropylene and hydrogenated petroleum resin, andthe end portion bonded has a peel strength of 2 N/15 mm or more.2. The heat-shrinkable label according to claim 1 , wherein the resin contained in the solvent composition is the polyester claim 1 , and a content of the resin in the solvent composition is from 5 to 40% both inclusive by weight.3. The heat-shrinkable label according to claim 1 , wherein the resin contained in the solvent composition is the polypropylene or the hydrogenated petroleum resin claim 1 , and a content of the resin in the solvent composition is ...

FOAM AND MOLDED ARTICLE

This foam has a 25% compressive strength at 23° C. of 90 kPa or lower and an elongation at break at 160° C., measured in accordance with JIS K6251, of 200% or higher. The present invention makes it possible to provide a foam with which it is possible to obtain a molded article having an exceptional appearance even in secondary processing into a complex shape, without harming the flexibility. 1. A foam having a 25% compressive strength at 23° C. of 90 kPa or less and an elongation at break at 160° C. , as measured according to JIS K 6251 , of 200% or more.2. A foam , wherein in a technique to determine proportions of three components , hard , middle , and soft components , by pulsed NMR measurement , a proportion of a hard component at 30° C. is 50% or less relative to all components and a proportion of a middle component at 160° C. is 65% or less relative to all components.3. The foam according to claim 1 , comprisingone or more types of polyolefin-based resins having an endothermic peak, as measured by a differential scanning calorimeter (DSC), present at 160° C. or higher and a melt flow rate (MFR) at 230° C. of 2.0 to 20 g/10 minutes.4. The foam according to claim 1 , obtained by crosslinking and foaming a foamable composition comprising:a polyolefin-based resin having an endothermic peak, as measured by a differential scanning calorimeter (DSC), present at 160° C. or higher and a melt flow rate (MFR) at 230° C. of 2.0 to 20 g/10 minutes in an amount of 10 to 30 mass % relative to the total amount of resin components in the foamable composition;a polyolefin-based resin having an endothermic peak, as measured by a differential scanning calorimeter (DSC), present at 130 to 150° C. and a melt flow rate (MFR) at 230° C. of 0.4 to 2.0 g/10 minutes in an amount of 30 to 50 mass % relative to the total amount of resin components in the foamable composition; anda polyolefin-based resin having an endothermic peak, as measured by a differential scanning calorimeter (DSC), ...

FOAM MATERIAL COMPRISING POLYPHENYLENE SULFIDE POLYMER (PPS)

The invention relates to a foam material (FP) comprising a polymer composition (C) comprising at least a polyphenylene sulfide polymer (PPS) and at least one functionalized elastomer (E). The present invention also relates to a process for the manufacture of said foam material and to an article (A) including said foam material (FP), for example a composite material. 1. A foam material (FP) comprising a polymer composition (C) , which comprises:at least one polyphenylene sulfide polymer (PPS), andfrom 1 to 40 wt. % of at least one functionalized elastomer, the wt. % being based on the total weight of (C).3. The foam material of claim 1 , wherein the functionalized elastomer is a non-aromatic elastomer.4. The foam material of claim 1 , wherein the functionalized elastomer is selected from the group consisting of copolymers of ethylene and glycidyl (meth)acrylate; terpolymers of ethylene claim 1 , acrylic ester and glycidyl (meth)acrylate; copolymers of ethylene and butyl ester acrylate; terpolymers of ethylene claim 1 , butyl ester acrylate and glycidyl methacrylate;ethylene-maleic anhydride copolymers; ethylene-propylene-rubbers grafted with maleic anhydride (EPR-g-MAH); ethylene-propylene-diene monomer rubbers grafted with maleic anhydride (EPDM-g-MAH) and mixture thereof.5. The foam material of claim 1 , further comprising from 0.01 to 5 wt. % of at least one nucleating agent.6. The foam material of claim 5 , wherein the nucleating agent is selected from the group consisting of glass fibers claim 5 , talc claim 5 , calcium carbonate claim 5 , silica claim 5 , silicate claim 5 , boron nitride claim 5 , titanium dioxide claim 5 , and carbon black.7. The foam material of claim 1 , wherein the polymer composition further comprises up to 40 wt. % of at least one filler (F).8. The foam material of claim 1 , having a density from 200 to 1 claim 1 ,200 kg/m claim 1 , as measured according to ASTM D1622.9. An article (A) including at least a part comprising the foam ...

POLYMERIC MATERIAL FOR AN INSULATED CONTAINER

A formulation includes a base resin, a nucleating agent, and a blowing agent. The formulation can be used to form a container. 1. An insulative material comprising a primary base resin , a slip agent , a chemical blowing agent , and a nucleating agent , wherein the primary base resin is a first homopolymeric polypropylene that is about 50-99.9 wt % of the insulative material ,the slip agent is up to about 10 wt % of the insulative material,the chemical blowing agent is up to about 10 wt % of the insulative material, andthe nucleating agent is about 0.5-10 wt % of the insulative material,{'sup': 3', '3, 'wherein the insulative material is non-aromatic, cellular, and has a density of about 0.01 g/cmto about 0.19 g/cm.'}2. The insulative material of claim 1 , further comprising a secondary base resin claim 1 , different from the first homopolymeric polypropylene claim 1 , that is up to about 15 wt % of the insulative material.3. The insulative material of claim 2 , wherein the secondary base resin is a polypropylene copolymer.4. The insulative material of claim 3 , wherein the secondary base resin is an impact polypropylene copolymer.5. The insulative material of claim 2 , wherein the insulative material does not comprise an ethylene-vinyl acetate (EVA) copolymer.6. The insulative material of claim 2 , wherein the primary and secondary base resins combined are about 95 to 98 wt % of the insulative material.7. The insulative material of claim 2 , wherein the primary and secondary base resins combined are about 96 wt % to about 97 wt % of the insulative material.8. The insulative material of claim 7 , wherein the secondary base resin is up to about 10 wt % of the insulative material.9. The insulative material of claim 2 , wherein the secondary base resin is a high crystallinity polypropylene.10. The insulative material of claim 9 , wherein the crystalline phase of the secondary base resin exceeds 51% at 10° C./min cooling rate as tested using differential scanning ...

Biomaterial product based on sunflower seed shells and/or sunflower seed hulls

The invention relates to a biomaterial product based on sunflower seed shells or sunflower seed hulls. The invention proposes the use, rather than of wood, bamboo, or other woodlike fiber products, of sunflower seed shells or sunflower seed hulls as starting material for the biomaterial products and the use thereof for producing such products, in order thereby to improve the existing biomaterials, including, in particular, by making them more cost-effective and enhancing their physical properties. 1. A method for producing a biomaterial product based on [ 'the material resulting from compounding of a sunflower seed shell material or sunflower seed hull material with a plastics material,', 'providing or producing a compounded material,'}, 'and', 'processing the compounded material, or a compounded material resulting therefrom by treatment, at a temperature of 260° C. or less to form a biomaterial product,', 'the total fraction of sunflower seed shell material or sunflower seed hull material in the biomaterial product being in the range from 20 to 60 wt %, based on the total mass of the biomaterial product, and', [{'sup': 3', '3, 'a density of 1 g/cmor greater than 1 g/cm, and/or'}, 'an elasticity modulus of 1000 MPa or greater than 1000 MPa, and/or', 'a tensile strength of 10 MPa or greater than 10 MPa, and/or', 'an elongation at break of 3% or greater than 3%., 'the biomaterial product preferably possessing'}], 'sunflower seed shells or sunflower seed hulls, comprising the following steps2. The method of claim 1 ,the fraction of the sunflower seed shell material or sunflower seed hull material in the biomaterial product being in the range from 30 to 50 wt %, based on the total mass of the biomaterial product, preferably 45 wt %, based on the total mass of the biomaterial product.3. The method of or claim 1 ,the plastics material being selected from the group consisting of polypropylene (PP), polyethylene (PE), polyvinyl chloride (PVC), acrylonitrile-butadiene- ...

Method for Improving UV Weatherability of Thermoplastic Vulcanizates

The present invention describes thermoplastic vulcanizates (TPVs) and methods for forming TPVs that include addition of a masterbatch comprising antioxidant (AO) additives to improve UV weatherability of TPVs. The hindered phenol antioxidants have a melting point of 85° C. or less, and comprise an alkyl chain longer than 12 carbons. A method may comprise compounding a carbon black, carrier resin, and hindered phenol antioxidant to form a masterbatch and dynamically vulcanizing the masterbatch, a vulcanizable elastomer, a thermoplastic resin, and a process oil to yield a TPV. 1. A method comprising:compounding a 20 wt. % to 70 wt. % carbon black, 25 wt. % to 75 wt. % carrier resin, and 2 wt. % to 25 wt. % hindered phenol antioxidant to form a masterbatch; anddynamically vulcanizing the masterbatch, a vulcanizable elastomer, a thermoplastic resin, and a process oil to yield a thermoplastic vulcanizate (TPV); wherein the hindered phenol antioxidant has a melting point of 85° C. or less and comprises an alkyl chain longer than 12 carbons.2. The method of claim 1 , wherein the hindered phenol antioxidant comprises one selected from the group consisting of octadecyl-3-(3 claim 1 ,5-di-tert-butyl-4-hydroxyphenyl)-propionate claim 1 , α-tocopherol claim 1 , β-tocopherol claim 1 , γ-tocopherol claim 1 , δ-tocopherol claim 1 , and any combination thereof.3. The method of claim 1 , wherein the hindered phenol antioxidant is present in the TPV at 0.5 wt. % to 1.5 wt. % based on a total weight of the TPV.4. The method of claim 1 , wherein the melting point of the hindered phenol antioxidant is below 60° C.5. The method of claim 1 , wherein the alkyl chain of the hindered phenol antioxidant is C13 to C22.6. The method of claim 1 , wherein the alkyl chain of the hindered phenol antioxidant is saturated.7. The method of claim 1 , wherein the process oil comprises one or more of a Group II base oil and/or a Group II base oil resin-in-oil.8. The method of claim 1 , wherein the ...

ONE-STEP PRODUCTION OF A POLYPROPYLENE COMPOSITION

The present invention relates to a process for providing a polypropylene composition comprising a branched polypropylene (b-PP), a polypropylene composition as well as a film comprising the polypropylene composition. 1. Process for providing a polypropylene composition comprising a branched polypropylene (b-PP) , the process comprising the steps of:{'sub': '2', 'a) providing a polypropylene (PP) having a melt flow rate MFR(230° C.) of more than 1.0 g/10 min;'}b) providing a thermally decomposing free radical-forming agent,c) providing bifunctionally unsaturated monomer(s) and/or multifunctionally unsaturated low molecular weight polymer(s),{'sub': '2', 'd) providing a linear polypropylene (l-PP) having a melt flow rate MFR(230° C.) of 10.0 to 50.0 g/10 min,'}e) reacting the polypropylene (PP) of step a) with the thermally decomposing free radical-forming agent of step b) and the bifunctionally unsaturated monomer(s) and/or multifunctionally unsaturated low molecular weight polymer(s) of step c) obtaining thereby the branched polypropylene (b-PP), andf) reacting the branched polypropylene (b-PP) obtained in step e) with the linear polypropylene (l-PP) of step d),wherein the polypropylene composition and/or branched polypropylene (b-PP) has/have{'sub': '2', 'i) a melt flow rate MFR(230° C.) measured according to ISO 1133 of 18.0 to 35.0 g/10 min,'}{'sub': 30', '30', '30', '30, 'ii) a Fmelt strength of more than 3.4 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.'}2. The process according to claim 1 , wherein the polypropylene (PP) has a melt flow rate MFR(230° C.) measured according to ISO 1133 in the range from 1.0 to 18.0 g/10 min.3. The process according to claim 1 , wherein the polypropylene (PP)(a) is a linear polypropylene (l-PP′);and/or{'sub': 30', '30', '30', '30, '(b) is a linear polypropylene (l-PP′) having a Fmelt strength of more than 1.0 cN and a vmelt ...

Resin foam and foam material

The present invention has the object of providing a resin foam and a foam material that exhibits superior dust resistance characteristics in a dynamic environment at the same time as having excellent light shielding characteristics, and is a resin foam having a repulsive force during an 80% compression at 23 degrees C. of 0.1 to 5.0 N/cm 2 , a surface coverage rate of a foam surface of at least 50%, and a thickness recovery rate as defined below of at least 50%, the thickness recovery rate is defined as the ratio to an initial thickness of the thickness one second after release of a compressed state that is obtained by releasing a compressed state after compressing resin foam for one minute to a thickness of 20% relative to the initial thickness.

CELLULOSE-FIBER DISPERSION POLYETHYLENE RESIN COMPOSITE MATERIAL, FORMED BODY AND PELLET USING SAME, PRODUCTION METHOD THEREFOR, AND RECYCLING METHOD FOR CELLULOSE-FIBER ADHESION POLYETHYLENE THIN FILM PIECE

A cellulose-fiber dispersion polyethylene resin composite material, formed by dispersing a cellulose fiber into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and wherein water absorption ratio satisfies the following formula; and a formed body and a pellet using the same, a production method therefor, and a recycling method for a cellulose-fiber adhesion polyethylene thin film piece. 141-. (canceled)42. A cellulose-fiber dispersion polyethylene resin composite material , formed by dispersing a cellulose fiber into a polyethylene resin ,wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and wherein water absorption ratio and the cellulose effective mass ratio measured by a thermogravimetric analysis (TGA) satisfies the following formula [Formula B]; [{'br': None, '(Water absorption ratio[%])=(mass after immersion[g]−mass before immersion[g])×100/(mass before immersion[g])\u2003\u2003[Formula A]'}, {'br': None, 'sup': '2', '(water absorption ratio[%])<(cellulose effective mass ratio[%])×0.01.\u2003\u2003[Formula B]'}], 'and under the condition that the composite material which is dried by a given drying conditions and is shaped into a given sheet form specimen, is immersed into water at 23° C. for 20 days, and water absorption ratio is determined by based on measured values before and after the immersion according to the following [Formula A];'}43. The cellulose-fiber dispersion polyethylene resin composite material described in claim 42 , wherein a proportion of the cellulose fiber is 5 parts by mass or more and less than 50 parts by mass in the total content of 100 parts by mass of the polyethylene resin and the cellulose fiber.44. The cellulose-fiber dispersion ...

A REINFORCED POLYOLEFIN COMPOSITE

A reinforced polyolefin composite is provided. The reinforced polyolefin composite comprises a polyolefin such as polyethylene or polypropylene, a rigid fibre micro filler such as glass fiber, carbon or cellulosic fibers, and at least one nano filler such as clay. The reinforced polyolefin composite may also comprise a modified polyolefin, which has a polar functional group such as maleate monoester, an acid anhydride or an acrylate grafted thereon. The clay nano filler may also be modified with an organosilane. The reinforced polyolefin composite may also comprise a stabilizer or other additives. A method of producing the reinforced polyolefin composite is also provided, comprising mixing a polyolefin, a rigid micro filler and at least one nano filler to form a mixture, melting the mixture and kneading the melted mixture. The obtained reinforced polyolefin composite is used in transportation, infrastructure, consumer goods and construction. 1. A reinforced polyolefin composite comprising a polyolefin and fillers dispersed in the polyolefin , wherein the fillers comprise a rigid micro filler , and at least one nano filler.2. The reinforced polyolefin composite of claim 1 , wherein a material of the rigid micro filler is different from the material of the at least one nano filler.3. (canceled)4. The reinforced polyolefin composite of claim 1 , wherein the polyolefin is polyethylene claim 1 , polypropylene claim 1 , or polypropylene in a combination with an ethylene-α-olefin copolymer.5. (canceled)6. The reinforced polyolefin composite of claim 1 , wherein the polyolefin has a melt flow rate of about 5 g/10 min to 50 g/10 min at a temperature of 230° C. at a weight of 2.16 kg.7. (canceled)8. The reinforced polyolefin composite of claim 1 , wherein the polyolefin has a polar functional group grafted thereon claim 1 , or the reinforced polyolefin composite further comprises a modified polymer having a polar functional group grafted thereon claim 1 , or the polyolefin ...

Polymeric Material for Use in Thermal Insulation

A polymeric material for use in thermal insulation is provided. The polymeric material is formed from a thermoplastic composition containing a continuous phase that includes a matrix polymer and within which a microinclusion additive and nanoinclusion additive are dispersed in the form of discrete domains. A porous network is defined in the material that includes a plurality of nanopores having an average cross-sectional dimension of about 800 nanometers or less. The polymeric material exhibits a thermal conductivity of about 0.20 watts per meter-kelvin or less.

LIQUID IMPREGNATED SURFACES FOR LIQUID REPELLANCY

Articles including repellent surfaces and methods of making and using these articles are disclosed. The repellant surface can comprise a polymer having a roughened surface and a fluorinated silane and a lubricating liquid deposited on the roughened surface. The repellent surface, and by extension the articles described herein, can exhibit superomniphobic properties. The methods for producing the repellant surface can comprise dissolving a polymer in a solvent to produce a polymer solution and optionally adding a non-solvent to the polymer solution to produce a casting mixture. The polymer solution or casting mixture can be deposited on a surface of a substrate and the solvent and/or the non-solvent evaporated to provide a coated-substrate having a roughened surface. A functional layer comprising a fluorinated silane followed by a lubricating liquid can be deposited on the roughened surface to form the repellant surface. 1. A method for producing a repellant surface , the method comprising:dissolving a polymer in a solvent to produce a polymer solution;adding a non-solvent to the polymer solution to produce a casting mixture;depositing the casting mixture on a surface of a substrate;evaporating the solvent and the non-solvent from the casting mixture to provide a coated-substrate having a roughened surface; andintroducing a lubricating liquid to the roughened surface to form a liquid impregnated layer.2. The method of claim 1 , further comprising depositing a functional layer comprising a fluorinated silane on the roughened surface.3. (canceled)4. The method of claim 1 , wherein the polymer includes a hydrophobic polymer comprising a polyalkylene claim 1 , a vinyl aromatic polymer claim 1 , an acrylonitrile butadiene styrene copolymer claim 1 , copolymers thereof claim 1 , or blends thereof.5. The method of claim 1 , wherein the solvent comprises an organic solvent.6. The method of claim 1 , wherein the polymer and the solvent are present in the casting mixture at a ...

BIPOLAR MEMBRANE

A bipolar membrane in which a cation-exchange membrane and an anion-exchange membrane are joined to each other, wherein a leakage ratio of gluconic acid at 60° C. is not more than 1.0%, and the cation-exchange membrane is supported by a polyolefin reinforcing member and, further, contains a polyvinyl chloride. 1. A bipolar membrane in which a cation-exchange membrane and an anion-exchange membrane are joined to each other ,wherein a leakage ratio of gluconic acid at 60° C. is not more than 1.0%, and said cation-exchange membrane is supported by a polyolefin reinforcing member and, further, contains a polyvinyl chloride.2. The bipolar membrane according to claim 1 , wherein an area ratio of a portion where the cation-exchange membrane and the anion-exchange membrane are peeled off is not more than 20% after the bipolar membrane is dipped in a 6N sodium hydroxide aqueous solution of 25° C. for one hour and then in pure water of 25° C. for another one hour.3. The bipolar membrane according to claim 1 , wherein the cation-exchange membrane contains said polyvinyl chloride in an amount of 10 to 45% by mass.4. A method of producing a bipolar membrane including a step of forming a cation-exchange membrane claim 1 , and a step of forming an anion-exchange membrane on the surface of said cation-exchange membrane; whereinthe step of forming said cation-exchange membrane includes:a step of impregnating a polyolefin reinforcing member with a polymerizable composition obtained by mixing a polyvinyl chloride (A) and a polymerization-curable component (B) that contains a monomer (b1) having a cation-exchange group or a monomer (b2) having a reaction group capable of introducing a cation-exchange group; anda step of forming a membrane of a cation-exchange resin that contains the polyvinyl chloride or of a cation-exchange resin precursor resin by polymerization-curing said polymerizable composition at a temperature of not lower than 100° C.; and, further, as required,a step of ...

Painted polyolefin articles

A painted article includes a primer layer between a substrate and a paint layer, of which the substrate is the product of a substrate forming composition including an olefin block copolymer and a polypropylene polymer having a density from 0.89 g/cm 3 and 0.92 g/cm 3 . The substrate is free of (1) phthalate-based plasticizer, (2) halogen-containing polymer, and (3) leachable, small polymeric units derived from styrene monomer.

METHOD FOR PREPARING POLYOLEFIN RESIN COMPOSITION AND POLYOLEFIN RESIN COMPOSITION

The present invention relates to a method for preparing a polyolefin resin composition including the step of mixing a first resin chip including a first polyolefin resin and glass filaments and a second resin chip including a second polyolefin resin and an aerogel or glass bubbles, a polyolefin resin composition including a first resin chip including a first polyolefin resin and glass filaments and a second resin chip including a second polyolefin resin and an aerogel or glass bubbles, and a polyolefin resin molded article including an extrusion molded article of the polyolefin resin composition. 1. A method for preparing a polyolefin resin composition comprising the steps of:mixing a first resin chip comprising a first polyolefin resin and glass filaments impregnated in the first polyolefin resin; and a second resin chip comprising a second polyolefin resin and an aerogel or glass bubbles impregnated in the second polyolefin resin,wherein a ratio of a length of the second resin chip to a length of the first resin chip is 0.8 to 1.2.2. The method according to claim 1 ,wherein the first resin chip comprises 40 to 98 wt % of the first polyolefin resin and 2 to 60 wt % of the glass filaments, andthe second resin chip comprises 40 to 98 wt % of the second polyolefin resin and 2 to 60 wt % of the aerogel or glass bubbles.3. The method according to claim 1 ,wherein the first polyolefin resin and the second polyolefin resin respectively comprise isotactic polypropylene having a melt index (measured at 230° C. according to ASTM 3-1238) of 10 g/10 min to 40 g/10 min.4. The method according to claim 1 ,wherein the glass filament has a length of 5 mm to 15 mm and a cross-sectional diameter of 1 to 50 μm.5. The method according to claim 1 ,wherein the aerogel has a longest diameter of 1 to 50 μm.6. The method according to claim 1 ,{'sup': 3', '3, 'wherein the aerogel has a specific surface area of 100 cm/g to 1,000 cm/g.'}7. The method according to claim 1 ,wherein the glass ...

EXPANDED BEAD AND METHOD FOR PRODUCING THE SAME

An expanded bead having a tubular shape with a through hole and a method for producing the same are provided. The expanded bead includes a foamed core layer and a covering layer. A polyolefin-based resin included in the covering layer has a melting point lower than a melting point of a polypropylene-based resin included in the foamed core layer. An average hole diameter d of the through hole of the expanded bead is less than 1 mm, and a ratio d/D of the average hole diameter d to an average outer diameter D of the expanded bead is 0.4 or less. The polypropylene-based resin for the foamed core layer has a flexural modulus of 1,200 MPa or more and a melting point of 158° C. or lower. 1. An expanded bead having a tubular shape with a through hole , comprising:a foamed core layer comprising a polypropylene-based resin; anda covering layer comprising a polyolefin-based resin, which covers the foamed core layer, the polyolefin-based resin having a melting point Tms that is lower than a melting point Tmc of the polypropylene-based resin for the foamed core layer, whereinan average hole diameter d of the through hole of the expanded bead is less than 1 mm, a ratio d/D of the average hole diameter d to an average outer diameter D of the expanded bead is 0.4 or less,the polypropylene-based resin for the foamed core layer has a flexural modulus of 1,200 MPa or more, and the melting point Tmc is 158° C. or lower.2. The expanded bead according to claim 1 , wherein the average outer diameter D of the expanded bead is 2 mm or more and 5 mm or less.3. The expanded bead according to claim 1 , wherein the expanded bead has an average wall thickness t of 1.2 mm or more and 2 mm or less.4. The expanded bead according to claim 1 , wherein the ratio d/D of the average hole diameter d to the average outer diameter D of the expanded bead is 0.25 or less.5. The expanded bead according to claim 1 , wherein the polypropylene-based resin for the foamed core layer is an ethylene-propylene ...

Propylene-Based Films with Improved Barrier Properties

The present invention provides a film including at least one layer that comprises a propylene polymer and a hydrocarbon resin. The films disclosed herein generally have improved barrier properties as compared to films free of the hydrocarbon resin. 1. A film comprising:a first layer, A, which comprises from about 40 wt % to about 99 wt % of a propylene polymer and from about 1 to about 60 wt % of a hydrocarbon resin, based on the total weight of the first layer;{'sub': 4', '20, 'wherein the propylene polymer is a propylene homopolymer, or a copolymer of propylene having at least one comonomer selected from ethylene and C-Calpha-olefins, wherein the copolymer has a propylene content of at least about 80 wt % and has a melting point of greater than about 115° C. and wherein the hydrocarbon resin is selected from the group consisting of an aliphatic hydrocarbon resin, a hydrogenated aliphatic hydrocarbon resin, an aromatic hydrocarbon resin, a hydrogenated aromatic hydrocarbon resin, a cycloaliphatic hydrocarbon resin, a hydrogenated cycloaliphatic hydrocarbon resin, a polyterpene resin, a terpene-phenol resin, a rosin ester resin, a rosin acid resin, and combinations thereof; and'}{'sub': 4', '20, 'wherein the film further comprises a second layer, B, comprising a copolymer of propylene and at least one comonomer selected from ethylene and C-Calpha-olefins, wherein the propylene copolymer has a propylene content of at least about 80 wt % and has a melting point of greater than about 115° C.'}2. The film of claim 1 , wherein the propylene homopolymer has one or more of the following properties:i) a melt flow rate MFR in the range of from about 1.5 dg/min to about 20 dg/min;ii) a molecular weight distribution Mw/Mn ranging from about 1.9 to about 5;and/or iii) a 1% secant flexural modulus ranging from about 500 MPa to about 2,000 MPa.3. The film of claim 1 , wherein the second layer claim 1 , B claim 1 , further comprises a hydrocarbon resin claim 1 , which is selected ...

MASS TRANSIT VEHICLE COMPONENT

The invention is directed to a mass transit vehicle component, to a method for preparing a mass transit vehicle component with improved smoke density and/or heat release performance, to the use of a component in mass transit vehicles, and to a use of a pellet or composition. The mass transit vehicle component of the invention is prepared from i) pellets of a flame retardant glass fibre reinforced polypropylene composition; ii) a composition comprising: a) pellets of a fibre reinforced polypropylene composition; and b) a flame retardant polypropylene dilution composition; or iii) a composition comprising: a) pellets of a flame retardant fibre reinforced polypropylene composition, and b) a flame retardant polypropylene dilution composition. 1. Mass transit vehicle component , said component being prepared fromi) pellets of a flame retardant fibre reinforced polypropylene composition having a core comprising fibres and a sheath of a polypropylene compound comprising polypropylene, optional additives and a flame retardant composition and surrounding said core, wherein the flame retardant composition comprises a mixture of an organo-phosphorous compound, an organic phosphoric acid compound and zinc oxide;ii) a composition comprising:a) pellets of a fibre reinforced polypropylene composition having a core comprising fibres and a sheath of a first polypropylene compound, which polypropylene compound comprises polypropylene and optional additives surrounding said core, wherein the fibre reinforced polypropylene composition comprises 10-70% by total weight of the fibre reinforced polypropylene composition of fibres and 30-90% by total weight of the fibre reinforced polypropylene composition of polypropylene compound, said fibre reinforced polypropylene composition not containing a flame retardant composition, andb) a flame retardant polypropylene dilution composition comprising a second polypropylene compound containing polypropylene, optional additives and a flame retardant ...

BI-POLYMER THERMOPLASTIC

A braided thermoplastic ribbon is disclosed having fully impregnated filaments. The ribbon is formed by a thermoplastic prepreg having a plurality of continuous fibers that are substantially oriented in a longitudinal direction, the continuous fibers constituting from about 30 wt. % to about 40 wt. % of the prepreg, a first resinous matrix that contains a first set of one or more thermoplastic polymers and within which the continuous fibers are embedded, wherein the thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg, and a second resinous matrix that contains a second set of one or more thermoplastic polymers, wherein the second set of thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg. 1. A thermoplastic prepreg comprising:a plurality of continuous fibers that are substantially oriented in a longitudinal direction, the continuous fibers constituting from about 30 wt. % to about 40 wt. % of the prepreg;a first resinous matrix that contains a first set of one or more thermoplastic polymers and within which the continuous fibers are embedded, wherein the thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg; anda second resinous matrix that contains a second set of one or more thermoplastic polymers, wherein the second set of thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg.2. The thermoplastic prepreg of claim 1 , wherein the first set of one or more thermoplastic polymers and the second set of one or more thermoplastic polymers are comprise different thermoplastic polymers.3. The thermoplastic prepreg of claim 1 , wherein the first set of one or more thermoplastic polymers and the second set of one or more thermoplastic polymers are comprise the same thermoplastic polymers having different molecular weights.4. The thermoplastic prepreg of claim 1 , wherein the second set of one or more thermoplastic polymers do not embed the ...

ELASTOMER PRECURSOR COMPRISING THERMOPLASTIC VULCANIZATE OR RUBBER PARTICLES INCORPORATED INTO A THERMOPLASTIC POLYMER IN A RUBBER MATRIX

A precursor to an elastomeric composition with improved properties is disclosed. The precursor comprises a cross-linkable rubber, a thermoplastic vulcanizate, and a cross-linking agent. An elastomeric composition produced by cross-linking of the rubber in the precursor and methods for manufacture of the precursor and the elastomeric composition are disclosed as well. 1. A method for making a precursor to an elastomeric material comprising:mixing rubber and at least one material selected from TPV, thermoplastic incorporating microparticles of rubber, and any combination thereof; andadding at least one cross-linking agent.2. The method according to claim 1 , wherein the mixing step is performed with an apparatus selected from mixers claim 1 , extruders claim 1 , and mills.3. The method according to claim 1 , wherein the mixing step comprises mixing at an operating temperature above the melting point of said TPV.4. The method according to claim 1 , wherein the mixing step comprises mixing at an operating temperature of about 150° C. to 270° C.5. A method of making an elastomeric material comprising the steps for making a precursor to an elastomeric material by the method of ; andactivating said cross-linking agent.6. A roofing material claim 1 , sealing material claim 1 , automotive component claim 1 , medical device claim 1 , protective clothing claim 1 , concertina bellows for buses or trains claim 1 , an inflatable product claim 1 , a membrane claim 1 , or a diaphragm comprising a precursor to an elastomeric material claim 1 , wherein said precursor comprises:a rubber;a material incorporated into the rubber, said material comprising thermoplastic vulcanizate (TPV), microparticles of TPV, thermoplastic incorporating microparticles of rubber, or any combination thereof; andat least one cross-linking agent.7. A microfluidic device made from a precursor to an elastomeric material claim 1 , wherein said precursor comprises:a rubber;a material incorporated into the rubber ...

INTEGRAL HOT MELT ADHESIVE PACKAGING FILMS AND USE THEREOF

Propylene polymer based packaging films for encapsulating hot melt adhesives are disclosed. The packaging films are readily miscible with the various hot melt adhesive chemistries during the melting stage without deleteriously affecting the adhesive properties, making the packaging film particularly well suited for packaging hot melt adhesives in a pillow, cylinder, pouch, block, cartridge and like forms. 1. A method of forming an integral hot melt adhesive package comprising the steps of:1. preparing the packaging film as an encapsulating vessel;2. pumping or pouring the hot melt adhesive in a molten state into the packaging film, wherein the packaging film is in direct contact with a heat sink;3. sealing the packaging film; and4. cooling the sealed package; and{'sup': 6', '8, 'wherein the packaging film comprises a polymer blend comprising at least 70 wt % of propylene and up to 15 wt % of ethylene content; and the packaging film has (a) a viscosity range of about 200,000 to 3,000,000 cps at 200° C.; (b) a peak melting temperature range of about 90 to 140° C.; (c) a Tm offset temperature below 149° C.; and (d) a storage modulus (G′) range of about 1×10to about 1×10Pascal at 100° C.;'}wherein the hot melt adhesive selected is from the group consisting of poly-alpha-olefins, rubbers, styrenic block-copolymers, ethylene-vinyl acetates, ethylene-butyl acetates, and mixtures thereof; andwherein the cooled sealed package is non-tacky.2. The method of forming an integral hot melt adhesive package of wherein pumping or pouring the hot melt adhesive in a molten state is conducted at temperatures of about 150° C. or below.3. The method of forming an integral hot melt adhesive package of wherein the heat sink is water. The present invention relates to packaging films for encapsulating hot melt adhesives. The packaging films are readily miscible with the hot melt adhesive during the adhesive melting stage without deleteriously affecting the adhesive properties, making the ...

FIBER-REINFORCED COMPOSITE

The present invention relates to a fiber-reinforced composite (FR-C), an automotive article comprising the fiber-reinforced composite (FR-C) as well as the use of the fiber-reinforced composite (FR-C) for automotive articles and a process for the preparation of the fiber-reinforced composite (FR-C). 1. Fiber-reinforced composite (FR-C) comprisinga) a matrix (M) comprising a polypropylene (PP), andb) olefin homopolymer fibers (F-OH) and/or olefin copolymer fibers (F-OC) dispersed in said matrix,and wherein the melting temperature of the matrix (M) and/or of the polypropylene (PP) is in the range of +/−20° C., like in the range of +/−10° C., of the melting temperature of the homopolymer fibers (F-OH) and/or the olefin copolymer fibers (F-OC).2. Fiber-reinforced composite (FR-C) according to claim 1 , wherein the melting temperature of the matrix (M) and/or of the polypropylene (PP) is not more than 20° C. claim 1 , like not more than 10° C. claim 1 , above the melting temperature of the homopolymer fibers (F-OH) and/or the olefin copolymer fibers (F-OC).3. Fiber-reinforced composite (FR-C) according to or claim 1 , wherein the melting temperature of the matrix (M) and/or of the polypropylene (PP) is +/−5° C. of the melting temperature of the homopolymer fibers (F-OH) and/or the olefin copolymer fibers (F-OC).4. Fiber-reinforced composite (FR-C) according to any one of the preceding claims claim 1 , wherein(a) the melting temperature of the matrix (M) and/or of the polypropylene (PP) is in the range of is below 175, preferably in the range of 130 to 175° C.;and/or(b) melting temperature of the homopolymer fibers (F-OH) and/or the olefin copolymer fibers (F-OC) is in the range of 125 to 170° C.5. Fiber-reinforced composite (FR-C) according to any one of the preceding claims claim 1 , wherein the fiber-reinforced composite (FR-C) comprises(a) 50 to 99.9 wt.-% of the matrix (M), and(b) 0.1 to 50 wt.-% of olefin homopolymer fibers (F-OH) and/or olefin copolymer fibers (F- ...

FOAMS BASED ON THERMOPLASTIC ELASTOMERS

The present invention relates to bead foams made of thermoplastic polyurethane and a polyolefins as component II, where the polyolefin consists of a mixture of II a) homopolypropylene, and II b polyethylenes, to moldings produced therefrom, to processes for the production of the bead foams and moldings, and also to the use of the moldings for shoe intermediate soles, shoe insoles, shoe combisoles, cushioning elements for shoes, bicycle saddles, bicycle tires, damping elements, cushioning, mattresses, underlays, grips, protective films, in components in the automobile-interior sector or automobile-exterior sector, balls and sports equipment, or as floorcovering. 1. A bead foam , comprising a composition comprising:from 60 to 90% by weight of a thermoplastic polyurethane as component andfrom 10 to 40% by weight of a polyolefin as component II;wherein the entirety of components I and II provides 100% by weight, andwherein the polyolefin consists of a mixture of homopolypropylene and polyethylenes.2. The bead foam according to claim 1 , wherein the composition comprises:from 60 to 85% by weight of the thermoplastic polyurethane as component I; andfrom 15 to 40% by weight of the polyolefin as component II.3. The bead foam according to claim 1 , wherein the bead foam is in the form of beads having an average diameter of from 0.2 to 20 mm.4. A process for the production of a molded body made of bead foam according claim 1 , comprising:impregnating the composition with a blowing agent under pressure to form an impregnated composition; anddecreasing a pressure to expand the impregnated composition.5. A molded body made of bead foam claim 4 , obtained from the process according to .6. The molded body made of bead foam according to claim 1 , having a tensile strength of above 600 kPa.7. The molded body according to claim 5 , having an elongation at break of above 100%.8. The molded body according to claim 5 , having a compressive stress at 10% compression of above 15 kPa.9. ...

Methods of preparing a peelable seal layer

The present invention provides methods of preparing peelable seal layers, methods of preparing multilayer films, peelable seal layers made therefrom, and multilayer films made therefrom. In one aspect, a method of preparing a peelable seal layer comprises (a) providing a first blend comprising (i) from 5 to 98 percent by weight of a reactor grade propylene based plastomer or elastomer having a molecular weight distribution of less than 3.5 and a density of less than 0.89 g/cc and (ii) from 2 to 95 percent by weight of a second polymer selected from the group consisting of polyethylene, polybutylene, and styrenic polymer and mixtures thereof; (b) providing at least one linear low density polyethylene; (c) blending the first blend with the at least one linear low density polyethylene to obtain a second blend; and (d) extruding the second blend to form a peelable seal layer, wherein the peelable seal layer has a heat seal initiation temperature less than 120° C. when sealed at a bar pressure of 40 psi with a dwell time of 0.5 seconds.

REINFORCED THERMOPLASTIC POLYMER COMPOSITION

The present invention relates to a process for making a thermoplastic composition, comprising the steps of: a) melt mixing a first thermoplastic polymer and a paper product comprising a mixture of cellulose fibers and a second thermoplastic polymer. 1. A process for making a thermoplastic composition , comprising the step of:a) melt mixing a first thermoplastic polymer and a paper product comprising a mixture of cellulose fibers and a second thermoplastic polymer.2. The process according to claim 1 , wherein the paper product has a porous structure of the cellulose fibers wherein the second thermoplastic polymer partly or wholly covers the cellulose fibers.3. The process according to claim 1 , wherein the paper product is obtained by a process comprising i) providing a mixture of the cellulose fibers and a melt of the second thermoplastic polymer and ii) cooling the mixture to a temperature below the melting point of the second thermoplastic polymer.4. The process according to claim 3 , wherein step i) involves dry blending the cellulose fibers and the second thermoplastic polymer and melting the second thermoplastic polymer optionally while mixing.5. The process according to claim 4 , wherein the second thermoplastic polymer to be dry blended with the cellulose fibers is in the form of fibers.6. The process according to claim 1 , wherein the paper product has a porous structure of the cellulose fibers and fibers of the second thermoplastic polymer.7. The process according to claim 1 , wherein the paper product is an industrial waste from a process for making a coffee pad or a tea bag.8. The process according to wherein the first thermoplastic polymer is polyolefin and the second thermoplastic polymer is polyolefin.9. The process according to claim 1 , wherein the amount of the cellulose fibers in the thermoplastic composition is 1-50 wt % of the total composition.10. The process according to claim 1 , wherein step a) involves melting the first thermoplastic polymer ...

Oriented tape for the production of woven fabrics and products produced therefrom

A machine-direction oriented tape comprising a blend of 65-95% wt % HDPE and 5-35% wt % PP optionally including fillers and UV additives displays physical and UV stability properties at least equal to commercially available oriented tape produced from PP or PE and can be used to produce woven fabric for applications such as ground cover and FIBC bags.

AQUEOUS BASED BLEND COMPOSITION AND METHOD OF PRODUCING THE SAME

The instant invention is an aqueous based blend composition and method of producing the same. The aqueous based blend composition comprises (a) an aqueous polyolefin dispersion comprising the melt blending product of one or more base polymers and one or more stabilizing agents in the presence of water and optionally one or more neutralizing agents, wherein the polyolefin dispersion has an average volume particle size diameter in the range of from 400 to 1500 nm; and a pH range from 8 to 11; and (b) an acrylic emulsion acrylic solids having an average weight particle size diameter in the range of from 75 to 450 nm; an acid level in the range of from 0.25 to 5 percent by weight of acid monomers based on the weight of the acrylic monomer, and a weight average molecular weight in the range of from 200,000 to 5,000,000 g/mole, and a glass transition temperature (T) in the range of from 7 to 100° C., wherein said acrylic emulsion has a pH in the range of from 7 to 11; wherein said aqueous based blend composition has a solid content in the range of from 15 to 70 percent by weight of solids, based on the weight of the aqueous based blend composition, and a pH in the range of from 7 to 11. 1. An aqueous based blend composition comprising:an aqueous polyolefin dispersion comprising the melt blending product of one or more homopolymers and/or copolymers of propylene and one or more stabilizing agents selected from the group of polar polyolefins in the presence of water and optionally one or more neutralizing agents, wherein the polyolefin dispersion has an average volume particle size diameter in the range of from 400 to 1500 nm, and a pH range from 8 to 11; and{'sub': 'g', 'an acrylic emulsion comprising acrylic solids having an average weight particle size diameter in the range of from 75 to 450 nm; an acid level in the range of from 0.25 to 5 percent by weight of acid monomers based on the weight of the acrylic monomer, and a weight average molecular weight in the range of ...

Films and Methods of Making the Same

Disclosed are films which can provide seal strengths suited for both peelable and nonpeelable seals in a package. 1. A film , comprising a layer comprising:a propylene-based elastomer;{'sup': '3', 'a first polyethylene having a density of at least about 0.930 g/cm; and'}{'sup': '3', 'a second polyethylene having a density lower than 0.930 g/cm.'}2. The film of claim 1 , wherein the film has at least one of the following properties: (i) a seal strength of about 1 N/15 mm to about 3 N/15 mm (EMC method) at a sealing temperature of 75° C. to 100° C. claim 1 , (ii) a seal strength of about 0.8 N/15 mm to about 4 N/15 mm at a sealing temperature of 100° C. to 110° C. claim 1 , (iii) a seal strength of about 8 N/15 mm to about 15 N/15 mm at a sealing temperature of 105° C. to 150° C. claim 1 , and (iv) a seal strength of about 15 N/15 mm to about 22 N/15 mm at a sealing temperature of 120° C. to 160° C.3. The film of claim 1 , wherein the film has a seal strength of about 1 N/15 mm to about 3 N/15 mm at a sealing temperature of 75° C. to 100° C. and a seal strength of about 8 N/15 mm to about 15 N/15 mm at a sealing temperature of 105° C. to 150° C.4. The film of claim 1 , wherein the film has a seal strength of about 0.8 N/15 mm to about 4 N/15 mm at a sealing temperature of 100° C. to 110° C. and a seal strength of about 15 N/15 mm to about 22 N/15 mm at a sealing temperature of 120° C. to 160° C.5. The film of claim 1 , wherein the propylene-based elastomer has at least about 60 wt % propylene-derived units and about 3 to about 25 wt % ethylene-derived units claim 1 , based on total weight of the propylene-based elastomer claim 1 , and a heat of fusion of less than about 80 J/g.6. The film of claim 1 , wherein the propylene-based elastomer is present in an amount of about 5 to about 50 wt % claim 1 , based on total weight of the polymer in the layer.7. The film of claim 1 , wherein the weight ratio between the first polyethylene and the second polyethylene is about 1:2 ...

PROCESS FOR PREPARING A BIAXIALLY ORIENTED MULTILAYERED FILM

The invention relates to a process for preparing a biaxially oriented multilayered film, the film comprising at least one layer comprising a polyolefin composition and at least one layer comprising a polyamide composition, the process comprising the steps of: a) Melting a polyamide composition comprising: i. a semi-crystalline polyamide Y comprising: ⋅monomeric units derived from caprolactam in an amount of at least 75 wt %; ⋅monomeric units derived from an aliphatic diamine in an amount of between 2.5 and 12.5 wt %; ⋅monomeric units derived from an aromatic diacid in an amount of between 2.5 and 12.5 wt %; wherein the weight percentage is given with respect to the total weight of the polyamide Y; ii. an amorphous polyamide in an amount of between 2.5 and 50 wt % with respect to the total weight of the polyamide composition; wherein the amorphous polyamide comprises: ⋅monomeric units derived from an aliphatic diamine X in an amount of between 30 and 70 wt %; ⋅monomeric units derived from an aromatic diacid in an amount of between 30 and 70 wt %; wherein the weight percentage is given with respect to the total weight of the amorphous polyamide; b) Melting a composition comprising a polyolefin; c) Co-extruding at least the melts obtained from a) and b) to form a film of at least two layers; d) Cooling the film to a temperature of at most 50° C., while the film is transported in a direction, referred to as machine direction; e) Stretching the film obtained in step d) with a stretch ratio of at least 13, at a temperature between the Tg of polyamide Y and Tm of the polyolefin, wherein the stretch ratio is defined as being the product of the stretch ratio parallel to the machine direction and the stretch ratio perpendicular to the machine direction. The invention also relates to a biaxially oriented multilayered film obtainable by the process. 1. Process for preparing a biaxially oriented multilayered film , the film comprising at least one layer comprising a polyolefin ...

POLYPROPYLENE COMPOSITION FOR FOAMING

The present invention relates to a new polypropylene composition for molded articles, such as finished parts for the automotive industry. A composition comprising: (A) from 40 to 85% by weight of a first propylene-based component being selected from propylene homopolymers, propylene copolymers and heterophasic propylene polymer, such first propylene-based component having a flexural modulus higher than 800 MPa; (B) from 5 to 20% by weight of a second propylene-based component being a heterophasic propylene polymer comprising: (B1) from 20 to 90% by weight of a crystalline polypropylene, and (B2) from 10 to 80% by weight of a copolymer of ethylene and at least one C-Calpha-olefin, such copolymer containing from 10 to 70% by weight of ethylene, being soluble in xylene at room temperature, and having an intrinsic viscosity in tetrahydronaphtalene at 135° C. of higher than 3.5 dl/g; and (C) from 10 to 40% by weight of glass fibers. 1. (A) 40-85% by weight of a first propylene-based component being selected from propylene homopolymers , propylene copolymers and heterophasic propylene polymer , such first propylene-based component having a flexural modulus determined in accordance with ISO 178 higher than 800 MPa; (B1) 20-90% by weight of a crystalline polypropylene, and', '(B2) 10-80% by weight of a copolymer of ethylene and at least one C3-C10 alpha-olefin, such copolymer containing from 10-70% by weight of ethylene, being soluble in xylene at room temperature, and having an intrinsic viscosity in tetrahydronaphtalene at 135° C. of higher than 3.5 dl/g; and, '(B) 5-20% by weight of a second propylene-based component being a heterophasic propylene polymer comprising(C) 10-40% by weight of glass fibers.2. The composition of claim 1 , wherein the copolymer (B2) has an intrinsic viscosity in tetrahydronaphthalene at 135° C. of from 5-8 dl/g.3. The composition according to claim 1 , wherein the component (B) comprises (percent by weight):{'sup': I', 'I', 'II', 'II', 'II', 'I ...

RESIN SYRINGE, PREFILLED SYRINGE, AND METHOD FOR PRODUCING RESIN SYRINGE

A resin syringe comprises: a syringe body made of polyolefin, and a printing layer printed on at least a part of an outer surface of the syringe body, wherein the printing layer comprises components including chlorinated polypropylene having a degree of chlorination in a range of 15 to 30%, a colorant, and a filler, wherein a plurality of recessed portions are formed in the outer surface of the syringe body on which the printing layer is printed, and wherein each of the plurality of recessed portions has a depth of 50 nm or more and less than 1 μm and a width of 50 nm or more and less than 1 μm and is filled with at least one of the components of the printing layer. 1. A resin syringe comprising:a syringe body made of polyolefin, anda printing layer printed on at least a part of an outer surface of the syringe body,wherein the printing layer comprises components including chlorinated polypropylene having a degree of chlorination in a range of 15 to 30%, a colorant, and a filler,wherein a plurality of recessed portions are formed in the outer surface of the syringe body on which the printing layer is printed, andwherein each of the plurality of recessed portions has a depth of 50 nm or more and less than 1 μm and a width of 50 nm or more and less than 1 μm and is filled with at least one of the components of the printing layer.2. The resin syringe according to claim 1 , wherein the at least one of the components of the printing layer filled in each of the plurality of recessed portions is chlorinated polyolefin.3. The resin syringe according to claim 1 , wherein the polyolefin is a cyclo olefin polymer claim 1 , a cyclo olefin copolymer claim 1 , or polypropylene.4. The resin syringe according to claim 1 , wherein each of the plurality of recessed portions has a depth in a range of 50 to 200 nm and a width in a range of of 100 to 500 nm.5. The resin syringe according to claim 1 , wherein the printing layer has an adjacent lamellar structure of chlorinated ...

PROCESSES FOR RECYCLING WASTE THERMOPLASTIC POLYMERIC MATERIALS

A process for recycling waste thermoplastic polymeric material may include reacting the polymeric material in a molten state with an organic compound having one or more carbon-carbon double bonds in a presence of a free radical initiator. A composition may include: waste thermoplastic polymeric material; a free radical initiator; and/or an organic compound having one or more carbon-carbon double bonds. The polymeric material may include a primary polymer, one or more secondary polymers, and residual additives. The primary polymer may be greater than or equal to 50% by weight and less than or equal to 99.9% by weight. The one or more secondary polymers may be greater than or equal to 0.1% by weight and less than or equal to 50% by weight. The residual additives may be greater than or equal to 0.1 parts per million (ppm) and less than or equal to 10% by weight. 1. A process for recycling waste thermoplastic polymeric material , the process comprising:reacting the waste thermoplastic polymeric material in a molten state with an organic compound having one or more carbon-carbon double bonds in a presence of a free radical initiator.2. The process of claim 1 , wherein the waste thermoplastic polymeric material comprises a primary polymer claim 1 , one or more secondary polymers claim 1 , and residual additives claim 1 ,wherein the primary polymer is present in an amount greater than or equal to 50% by weight and less than or equal to 99.9% by weight,wherein the one or more secondary polymers are present in an amount greater than or equal to 0.1% by weight and less than or equal to 50% by weight,wherein the residual additives are present in an amount greater than or equal to 0.1 parts per million (ppm) and less than or equal to 10% by weight, andwherein the percentages by weight are expressed with respect to a total weight of the primary polymer and the one or more secondary polymers.3. The process of claim 2 , wherein the one or more secondary polymers comprise ...

POLYOLEFIN-BASED MICROPOROUS FILMS VIA SEQUENTIAL COLD AND HOT STRETCHING OF UNANNEALED POLYPROPYLENE COPOLYMER FILMS

Microporous polymer films and methods of making same are disclosed. The microporous polymer film comprises: 1. A microporous polymer film comprising: (i) polypropylene homopolymer chain segments in total amount of from 50-82 wt. %, based on the weight of polypropylene copolymer, or from 43-79 mole %, based on the mole content of polymerized units of propylene in the polypropylene homopolymer chain segments as a percentage of the total mole content of polymerized monomer units in the polypropylene copolymer; and', '(ii) ethylene-containing copolymer chain segments in total amount of from 18-50 wt. %, based on the weight of polypropylene copolymer, or from 21-57 mole %, based on the mole content of polymerized monomer units in the ethylene-containing copolymer chain segments as a percentage of the total mole content of polymerized monomer units in the polypropylene copolymer; wherein at least a portion of the ethylene-containing copolymer chain segments comprise polymerized units of ethylene in an amount of at least 45 wt. %, based on the weight of the ethylene-containing copolymer chain segments, or at least 55 mole % based on the mole content of polymerized units of ethylene in the ethylene-containing copolymer chain segments as a percentage of the total mole content of polymerized monomer units in the ethylene-containing copolymer chain segments; and, '(a) 50 to 95 weight percent of one or more polypropylene copolymer, based on the total weight of the film, said polypropylene copolymer comprising one or more polypropylene homopolymer chain segments and one or more ethylene-containing copolymer chain segments; and wherein the microporous polymer film comprises(b) 5 to 50 weight percent of one or more ethylene-propylene elastomer, based on the total weight of the film;wherein at least 45 weight percent of the polymerized units in the ethylene-propylene elastomer are units of ethylene.2. The microporous film of claim 1 , wherein in (b) claim 1 , the one or more ...

ROOFING COMPOSITIONS COMPRISING LINEAR LOW DENSITY POLYETHYLENE

Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 20 to 65 weight percent of a propylene polymer having from 10-60% crystallinity, 30-60 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition. 1. A polymer blend composition comprising:a) propylene polymer having from 10-60% crystalinity;b) a linear low density polyethylene;c) a propylene copolymer; andd) an ethylene copolymer.2. The polymer blend composition of claim 1 , wherein the polymer blend composition comprises:20-65 wt % of the propylene polymer a);30-60 wt % of the linear low density polyethylene; and5 to 20 wt % of components c) and d) combined.3. The polymer blend composition of claim 2 , wherein the amount of linear low density polyethylene ranges from 30 to 50 wt %.4. The polymer blend composition of claim 1 , wherein the polymer blend composition comprises:25 to 50 wt % of the propylene polymer a);35 to 55 wt % of the linear low density polyethylene; andthe combination of c) and d) comprises from 8 to 20 wt %.5. The polymer blend composition of claim 1 , wherein the linear low density polyethylene comprises a butene comonomer.6. The polymer blend composition of claim 1 , wherein the propylene polymer of a) comprises rubber dispersed in the polypropylene.7. The polymer blend composition of claim 6 , wherein the rubber is EP rubber.8. The polymer blend composition of claim 1 , wherein the linear low density polyethylene has s density in the range of 0.915 to 0.920 g/cm.9. The polymer blend composition of claim 8 , wherein the density of the linear low density polyethylene is in the range of from 0.916 to 0.918 g/cm.10. The polymer blend composition of ...

Masterbatches for preparing a composite material based on semi-crystalline polymer with enhanced conductivity properties, process and composite materials produced therefrom

The present invention relates to a masterbatch for use in a process of preparing a composite material comprising a blend of a first semi-crystalline polymer with at least 5 wt % carbon nanotubes. Good dispersion of the carbon nanotube is obtained within the masterbatch and evidenced by the blending of the masterbatch with a second semi-crystalline polymer miscible with the first one in respective proportions to obtain a composite material containing about 1 wt % of carbon nanotubes wherein said composite material yields an agglomerate area fraction U % lower than 2 and a surface resistivity lower than 10ohm/sq. 114.-. (canceled)15. A process for the preparation of a masterbatch comprising the steps of:(a) providing carbon nanotubes,(b) providing a first semi-crystalline polymer having a melting temperature Tm1 as measured according to ISO 11357-3:2013, wherein the first semi-crystalline polymer is selected from syndiotactic polypropylene and isotactic polypropylene, and wherein the first semi-crystalline polymer has a melt flow index comprised between 5 and 250 g/10 min measured according to ISO 1133 under a load of 2.16 kg;(c) blending together the carbon nanotubes and the first semi-crystalline polymer by extrusion in an extruder comprising a transport zone and a melting zone maintained at a temperature comprised between Tm1+1° C. and Tm1+50° C., and comprising at least 5 wt % of carbon nanotubes based on the total weight of the masterbatch as determined according to ISO 11358, and', 'having a high load melt index HLMI of from 100 g/10 min to 1000 g/10 min as determined under a load of 21.6 kg according to ISO1133., '(d) forming a masterbatch through a die, the masterbatch,'}16. The process according to wherein the masterbatch comprises from 0.01 to 4.0 wt % of one or more additives based on the total weight of the masterbatch claim 15 , the one or more additives being selected from waxes claim 15 , tristearin claim 15 , zinc stearate claim 15 , calcium stearate ...

PROCESS FOR THE OBTAINMENT OF A POLYOLEFIN COMPOSITION

A two steps polymerization process for obtaining a polyolefin composition comprising: 4. The polymerization process according to wherein the catalyst system is supported on an inert carrier.5. The polymerization process according to wherein the molar ratio between the metallocene compound of formula (I) and the iron complex of formula (II) (M/Fe ratio) ranges from 3:1 to 50:1.6. The polymerization process according to wherein the polyolefin composition comprises:a) from 30 wt % to 50 wt % of a propylene homopolymer;b) from 40 wt % to 65 wt % of a copolymer of ethylene and propylene, wherein the ethylene derived units content ranges from 20 wt % to 65 wt %;c) from 3 wt % to 7 wt % of polyethylene homopolymer;the sum a)+b)+c) being 100.7. (canceled)8. A polyolefin blend comprising the polyolefin composition of .9. Extruded articles comprising the polyolefin composition of .10. Films claim 6 , pipe claim 6 , fibers claim 6 , sheets claim 6 , profiles comprising the polyolefin composition of .11. Molded articles comprising the polyolefin composition of .12. Thermoformed articles comprising the polyolefin composition of .13. Automotive parts comprising the polyolefin composition of .14. Bumpers comprising the polyolefin composition of . The present invention relates to a polymerization process for the obtainment of a polyolefin based composition comprising an heterophasic propylene based polymer and polyethylene.Polyolefin compositions comprising an heterophasic propylene polymer and polyethylene are well known in the art. For example WO 2006/067023 relates to a polypropylene composition comprising (per cent by weight):WO 2006/125720 relates to a propylene polymer composition comprising (per cent by weight):These composition are obtained by using Ziegler Natta catalyst with a three steps process, one for each component of the composition.Even metallocene based catalyst systems have been used for the obtainment of such three components compositions, for example in EP 646 ...

MONOLITHIC THERMOCASTING OF POLYMER MIXTURES FOR ARCHITECTURAL APPLICATIONS

A monolithic thermocasting system for thermocasting polymer and solid material and method of use having an internal frame system; an external frame system disposed external to the internal frame system; a mold cavity formed between the internal frame system and the external frame system, the mold cavity sized to receive the polymer and solid material and shaped to form an architectural member; a duct; and a heater element disposed in the duct for outputting thermal energy to the mold cavity to heat the polymer and solid material, the thermal energy being sufficient to thermocast the polymer and solid material to a combined building material. 1. A monolithic thermocasting system for thermocasting polymer and solid material , the monolithic thermocasting system comprising:an internal frame system;an external frame system disposed external to the internal frame system;a mold cavity formed between the internal frame system and the external frame system, the mold cavity sized to receive the polymer and solid material and shaped to form an architectural member;a duct; anda heater element disposed in the duct configured for outputting thermal energy to the mold cavity to heat the polymer and solid material, the thermal energy being sufficient to thermocast the polymer and solid material to a combined building material.2. The monolithic thermocasting system according to claim 1 , wherein the duct is positioned within the internal frame system.3. The monolithic thermocasting system according to claim 1 , wherein the duct is positioned between the internal frame system and the external frame system.4. The monolithic thermocasting system according to claim 1 , wherein the internal frame system comprises a metallic frame and surface system.5. The monolithic thermocasting system according to claim 1 , wherein the internal frame system comprises a wood-based frame and surface system.6. The monolithic thermocasting system according to claim 1 , wherein the external frame system ...

SHOE SOLES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A shoe sole composition and method for making a shoe sole are provided. The shoe sole includes a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm. The shoe sole exhibits a compression set of from about 5.0% to about 20.0%, as measured according to ASTM D 395 (6 hrs @ 50° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm, a second polyolefin, having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent. 1. A shoe sole comprising:{'sup': '3', 'a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm;'}wherein the shoe sole exhibits a compression set of from about 1.0% to about 50.0%, as measured according to ASTM D 395 (48 hrs @ 50° C.).2. The shoe sole of claim 1 , wherein the density is less than about 0.30 g/cm.3. The shoe sole of claim 1 , wherein the shoe sole exhibits a Asker C hardness of from about 50 to about 52.4. The shoe sole of claim 1 , wherein the compression set is from about 15.0% to about 20.0%.5. The shoe sole of claim 1 , further comprising:a coloring agent.6. The shoe sole of claim 1 , wherein the silane-grafted polyolefin elastomer comprises a first polyolefin having a density less than 0.86 g/cm claim 1 , a second polyolefin having a crystallinity less than 40% claim 1 , a silane crosslinker claim 1 , a grafting initiator claim 1 , a condensation catalyst claim 1 , and a foaming agent.7. The shoe sole of claim 1 , wherein the shoe sole exhibits a rebound resilience of at least 60%.8. A method for making a shoe sole claim 1 , the method comprising:{'sup': '3', 'extruding a first polyolefin having a density less than 0.86 g/cm, a second polyolefin, a silane crosslinker and a radical initiator together to form a silane-grafted polyolefin blend;'}extruding the silane- ...

Polyolefin elastomer compositions and methods of making the same

An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm 3 . The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm 3 , a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst.

MICRODENSE SEALS, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A microdense sealing member is provided. The microdense sealing member includes a composition having a foamed silane-crosslinked polyolefin elastomer with a density less than 0.70 g/cm. The microdense sealing member can exhibit a compression set of from about 5.0% to about 35.0% measured according to ASTM D 395 (22 hrs @ 70° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm, a second polyolefin having a crystallinity less than 60° C., a silane crosslinker, a grafting initiator, a condensation catalyst, and a microencapsulated foaming agent. 1. A microdense sealing member comprising:{'sup': '3', 'a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.70 g/cm,'}wherein the microdense sealing member exhibits a compression set of from about 40.0% to about 78.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.).2. The microdense sealing member of claim 1 , wherein the silane-crosslinked polyolefin elastomer comprises a first polyolefin having a density less than 0.86 g/cm claim 1 , a second polyolefin having a percent crystallinity less than 40% claim 1 , a silane crosslinker claim 1 , a grafting initiator claim 1 , a condensation catalyst claim 1 , and a microencapsulated foaming agent.3. The microdense sealing member of claim 1 , wherein the compression set is from about 15.0% to about 35.0% claim 1 , as measured according to ASTM D 395 (22 hrs @ 70° C.).4. The microdense sealing member of claim 1 , wherein the density is from about 0.60 g/cmto about 0.69 g/cm.5. The microdense sealing member of claim 1 , wherein the silane-crosslinked polyolefin elastomer exhibits a crystallinity of from about 50% to about 75%.6. The microdense sealing member of claim 1 , wherein the silane-crosslinked polyolefin elastomer exhibits a glass transition temperature of from about −75° C. to about −25° C.7. The microdense sealing member ...

HOSES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A hose is provided. The hose has a composition including a silane-crosslinked polyolefin elastomer and a filler. The hose composition exhibits a compression set of from about 5% to about 35%, as measured according to ASTM D 395 Method B (168 hrs at 150 ° C.). The hose composition additionally has a density from about 0.88 g/cmto about 1.05 g/cm. The hose may be used for transferring coolant liquid in a motor of a vehicle and includes a first outer layer of a first silane-crosslinked polyolefin elastomer; a second inner layer of a second silane-crosslinked polyolefin elastomer; and a textile reinforcement layer embedded between the first and second layers of the silane-crosslinked polyolefin elastomers. 1. A hose comprising:a composition comprising a silane-crosslinked polyolefin elastomer and a filler;wherein the composition exhibits a compression set of from about 5% to about 35%, as measured according to ASTM D 395 Method B (168 hrs at 150° C.); and{'sup': 3', '3, 'wherein the composition has a density from about 0.88 g/cmto about 1.05 g/cm.'}2. The hose of claim 1 , wherein the compression set is from about 10% to about 30%.3. The hose of claim 1 , wherein the silane-crosslinked polyolefin elastomer exhibits a crystallinity of from about 5% to about 25%.4. The hose of claim 1 , wherein the silane-crosslinked polyolefin elastomer has a glass transition temperature of from about −75° C. to about −25° C.5. The hose of claim 1 , wherein the silane-crosslinked polyolefin elastomer comprises a first polyolefin having a density less than 0.86 g/cm claim 1 , a second polyolefin claim 1 , a silane crosslinker claim 1 , a radical initiator claim 1 , and a non-metal condensation catalyst.6. The hose of claim 1 , wherein the density of the composition is from about 0.92 g/cmto about 1.0 g/cm.7. The hose of claim 1 , wherein the density of the composition is from about 0.95 g/cmto about 0.98 g/cm.8. The hose of claim 1 , wherein the composition exhibits thermoplastic ...

POLYMER BLEND, METHOD FOR MAKING THE SAME AND ROOFING MEMBRANE CONTAINING THE SAME

A polymer blend comprising 10 to 90 parts by weight of a propylene-based polymer component having a weight average molecular weight of at least 200 kg·mol; and 20 to 80 parts by weight of a propylene-based elastomer component comprising structural units derived from propylene and at least one of ethylene and C4-C12 alpha-olefins having a weight average molecular weight in the range from 5 to 50 kg·mol, method for making a membrane comprising the same and roofing membrane comprising the same. The polymer blend is particularly suitable for making roofing membrane due to advantageous elastic modulus in broad temperature ranges. 1. A polymer blend comprising:{'sup': '−1', '40 to 65 parts by weight of a propylene-based polymer component having a weight average molecular weight of at least 200 kg·mol, having at least 95 wt % propylene-derived units, and a melting temperature of at least 120° C.; and'}{'sup': '−1', '35 to 60 parts by weight of a propylene-based elastomer component comprising structural units derived from propylene and ethylene, having an ethylene content in a range from 8 to 16 wt %, based on the total weight of the propylene-based elastomer component, and having a weight average molecular weight in the range from 5 to 50 kg·mol.'}2. (canceled)3. The polymer blend of claim 1 , wherein the propylene-based elastomer component consists of structural units derived from propylene and structural units derived from ethylene.4. The polymer blend of claim 1 , wherein the propylene-based polymer has a melting temperature of at least 130° C.5. The polymer blend of claim 1 , comprising 45 to 55 parts by weight of the propylene-based polymer component; and 45 to 55 parts by weight of the propylene-based elastomer component.6. The polymer blend of claim 1 , wherein the propylene-based elastomer component has a weight average molecular weight in the range from 6 to 20 kg·mol.7. The polymer blend of claim 1 , wherein the propylene-based polymer component has a weight ...

Nonwoven fabric and process for the production thereof

The present invention relates to a process for the production of a nonwoven fabric. In particular, the present invention relates to the production of a nonwoven fabric having desirable tactile and haptic properties, as well as to the nonwoven fabric itself. The process requires the selection of specific materials and process conditions. The fabric is produced from a masterbatch of isotactic polypropylene homopolymer and a surface-treated calcium carbonate filler.

Cellular polymeric material

A formulation includes a polymeric material, a nucleating agent, and a surface active agent. The formulation can be used to form an insulated container.

COLORED COMPOSITE MATERIAL WITH CELLULOSE FIBERS

A material includes a base polymer, cellulose fibers dispersed through the base polymer, a pigment coloring the base polymer and the cellulose fibers, and a sealant selected from epoxidized soybean oil and polyolefin. The sealant coats and seals the cellulose fibers. 1. A material comprising:a base polymer;cellulose fibers dispersed through the base polymer;a pigment coloring the base polymer and the cellulose fibers; anda sealant selected from the group consisting of epoxidized soybean oil and polyolefin, the sealant coating and sealing the cellulose fibers.2. The material as recited in claim 1 , wherein the base polymer is polyolefin.3. The material as recited in claim 1 , wherein the sealant is at least 5% by weight.4. The material as recited in claim 3 , wherein the base polymer is at least 25% by weight and the pigment is at least 5% by weight.5. The material as recited in claim 4 , wherein the cellulose fibers are at least 40% by weight.6. The material as recited in claim 1 , further comprising reinforcement particles dispersed in the base polymer.7. The material as recited in claim 6 , wherein the cellulose fibers are at least 10% by weight.8. The material as recited in claim 1 , further comprising a compatibilizer selected from the group consisting of dicumyl peroxide claim 1 , maleic anhydride claim 1 , and combinations thereof.9. A material comprising:at least 25% by weight of a polyolefin base polymer;at least 40% by weight of cellulose fibers dispersed through the polyolefin base polymer;at least 5% of a pigment, the pigment coloring the base polymer and the cellulose fibers; anda sealant selected from the group consisting of at least 1% of epoxidized soybean oil, at least 0.4% of polyolefin, and combinations thereof.10. The material as recited in claim 9 , wherein the sealant is at least 5% by weight of the epoxidized soybean oil or at least 2% by weight of the polyolefin.11. The material as recited in claim 10 , wherein the cellulose fibers are at ...

METHOD FOR PRODUCING FLAME-RETARDANT THERMOPLASTIC ELASTOMER COMPOSITION

A flame-retardant thermoplastic elastomer composition is provided to produce a molded article possessing mechanical properties, flame retardancy and softness inherently possessed by a molted article obtained from a thermoplastic elastomer composition containing a mineral oil-based softening agent and a flame retardant and fails to stain a mold after injection molding. A production method includes step (1) obtaining a thermoplastic elastomer composition by dynamically crosslinking a polymer mixture (A) containing an ethylene-α-olefin-based copolymer rubber (A1) and a propylene-based polymer (A2) in the presence of a mineral oil-based softening agent (C) and a crosslinking agent (D), and step (2) kneading the thermoplastic elastomer composition, a halogen-free flame retardant (E), zinc oxide (F), and a thermoplastic resin with a polar group (G). The amounts of the components satisfy condition (p) when starting the dynamic crosslinking in step (1) and satisfy condition (q) when starting the kneading in step (2), respectively. 1. A method for producing a flame-retardant thermoplastic elastomer composition , wherein the method comprises:step (1) of obtaining a thermoplastic elastomer composition by dynamically crosslinking a polymer mixture (A) comprising an ethylene-α-olefin-based copolymer rubber (A1) and a propylene-based polymer (A2) in the presence of a mineral oil-based softening agent (C) and a crosslinking agent (D), andstep (2) of kneading the thermoplastic elastomer composition, a halogen-free flame retardant (E), zinc oxide (F), and a thermoplastic resin with a polar group (G), whereinthe amounts of the respective components at the time of starting the dynamic crosslinking in step (1) satisfy the following condition (p), andthe amounts of the respective components at the time of starting the kneading in step (2) satisfy the following condition (q), and whereincondition (p) requires that when the combined amount of the ethylene-α-olefin-based copolymer rubber ( ...

THERMOPLASTIC RESIN COMPOSITION FOR INTERIOR MATERIAL OF AUTOMOBILES, AND MOLDED PRODUCT FOR INTERIOR MATERIAL OF AUTOMOBILES

Provided is a thermoplastic resin composition for an interior material of automobiles, comprising a biomass-derived resin. The thermoplastic resin composition for an interior material of automobiles uses a biomass-derived resin, which replaces a petroleum-based thermoplastic resin, so as to reduce the generation of CO2, thereby providing an environmentally friendly effect. 1. A thermoplastic resin composition for automotive interior materials , comprising: a biomass-derived resin.2. The thermoplastic resin composition according to claim 1 , wherein the thermoplastic resin composition for automotive interior materials has a percent modern carbon (pMC) value of 10 wt % to 90 wt % claim 1 , as measured in accordance with ASTM D6866.3. The resin composition according to claim 1 , wherein the biomass-derived resin is selected from the group consisting of a polyolefin claim 1 , thermoplastic polyolefin (TPO) claim 1 , polylactic acid (PLA) claim 1 , cellulose claim 1 , chitin claim 1 , starch claim 1 , thermoplastic starch (TPS) claim 1 , polyhydroxyalkanoates (PHAs) claim 1 , polyvinyl alcohol claim 1 , polyglycolic acid (PGA) claim 1 , polyethylene terephthalate (PET) claim 1 , polybutylene succinate (PBS) claim 1 , polybutylene terephthalate (PBT) claim 1 , polybutylene adipate terephthalate (PBAT) claim 1 , polybutylene adipate-co-butylene succinate (PBAS) claim 1 , polybutylene adipate-co-butylene succinate terephthalate (PBAST) claim 1 , polytrimethylene terephthalate (PTT) claim 1 , polycaprolactone (PCL) claim 1 , polyamide (PA) claim 1 , polyurethane (PU) claim 1 , poly(ester-amide) claim 1 , poly(ester-urethane) claim 1 , and combinations thereof.4. The resin composition according to claim 1 , wherein the biomass-derived resin is prepared from biofuels processed or extracted from one biomass material selected from the group consisting of corn claim 1 , Jerusalem artichokes claim 1 , sugar cane claim 1 , sugar beet claim 1 , and combinations thereof.5. The resin ...

COEXTRUDED, CROSSLINKED MULTILAYER POLYOLEFIN FOAM STRUCTURES FROM RECYCLED POLYOLEFIN FOAM MATERIAL AND METHODS OF MAKING THE SAME

A physically crosslinked, closed cell continuous multilayer foam structure comprising at least one polypropylene/polyethylene coextruded foam layer is obtained. The multilayer foam structure is obtained by coextruding a multilayer structure comprising at least one foam composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure. 1. A method of forming a multilayer structure comprising: [ polypropylene or polyethylene; and', 'a first chemical foaming agent; and, 'a first layer comprising, 5-50 wt. % recycled, crosslinked polyolefin foam material;', '50-95 wt. % polypropylene, polyethylene, or a combination of polypropylene and polyethylene; and', 'a second chemical foaming agent., 'a second layer on a side of the first layer, the second layer comprising], 'coextruding2. The method of claim 1 , wherein the recycled claim 1 , crosslinked polyolefin foam material comprises cryogenically pulverized polyolefin foam material.3. The method of claim 1 , further comprising coextruding a third layer on a side of the second layer opposite the first layer claim 1 , the third layer comprising:polypropylene or polyethylene; anda third chemical foaming agent.4. The method of claim 3 , wherein the first layer and the third layer are substantially free of recycled polyolefin material.5. The method of claim 2 , wherein the cryogenically pulverized polyolefin foam material is small enough to pass through a 3.5 U.S. Standard mesh.6. The method of claim 1 , wherein the first layer comprises polypropylene with a melt flow index of 0.1-25 grams per 10 minutes at 230° C.7. The method of claim 1 , wherein the first layer comprises polyethylene with a melt flow index of 0.1-25 grams per 10 minutes at 190° C.8. The method of claim 3 , wherein the first claim 3 , second claim 3 , and third layers comprise a crosslinking agent.9. The method of claim 3 , wherein the first claim 3 , second claim 3 , and third chemical foaming ...

POLYOLEFIN MICROPOROUS FILM AND METHOD OF PRODUCING SAME

A polyolefin microporous membrane includes a polyethylene composition, and 0.5% or more but less than 5% by mass of polypropylene, wherein the polyethylene composition includes polyethylene having a mass average molecular weight of 2.5×10to 5×10and ultrahigh molecular weight polyethylene having a mass average molecular weight of 1×10to 3×10in an amount of more than 5% by mass and not more than 50% by mass based on 100% by mass of polyethylene composition and has a molecular weight distribution (Mw/Mn) of 5.0 to 300, and the polyolefin microporous membrane has an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction. 1. A polyolefin microporous membrane comprising:a polyethylene composition, and0.5% or more but less than 5% by mass of polypropylene,{'sup': 5', '5', '6', '6, 'wherein the polyethylene composition comprises polyethylene having a mass average molecular weight of 2.5×10to 5×10and ultrahigh molecular weight polyethylene having a mass average molecular weight of 1×10to 3×10in an amount of more than 5% by mass and not more than 50% by mass based on 100% by mass of polyethylene composition and has a molecular weight distribution (Mw/Mn) of 5.0 to 300, and'}the polyolefin microporous membrane has an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.2. The polyolefin microporous membrane according to claim 1 , having a normalized PP/PE ratio whose average is 0.5 or more claim 1 , whose standard deviation is 0.2 or less claim 1 , and whose kurtosis is 1.0 or less claim 1 , as measured by Raman spectroscopy in at least one plane perpendicular to the thickness direction.3. The polyolefin microporous membrane according to claim 1 , wherein weight average molecular weight of polypropylene is more than 50 claim 1 ,000 claim 1 , but less than 150 claim 1 ,000. This ...