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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 17634. Отображено 100.
16-02-2012 дата публикации

Method Of Improving Film Processing And Injection Molding Of Polyhydroxyalkanoate Polymers

Номер: US20120041109A1
Принадлежит: Metabolix Inc

Processing and improvements in processing of polyhydroxyalkanoate polymer films, sheet, injection moldings, thermoforms, and blow moldings are provided, by use of particular types of calcium carbonate. Methods for using the calcium carbonates in processing of polyhydroxyalkanoate polymers are also disclosed, as well as polyhydroxyalkanoate polymer compositions comprising the calcium carbonates, and articles made therefrom.

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05-04-2012 дата публикации

Bio-based material composition and optical device employing the same

Номер: US20120083560A1

The invention provides a bio-based material composition and an optical device employing the same. The composition can be a petroleum resin-free composition, including a polylactic acid resin, a filler, and a light diffusion agent. Further, the composition can be a composition with petroleum resin, including a polylactic acid resin, a petroleum resin, a light diffusion agent, and an antioxidant.

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03-05-2012 дата публикации

Low temperature cure powder coating compositions

Номер: US20120107629A1
Автор: Luc Moens
Принадлежит: Individual

The present invention relates to a powder coating composition for low temperature cure which comprises a mixture of a carboxylic acid group containing first polyester; at least one of a second polyester having a glass transition temperature ≦45° C. and/or a crystalline polycarboxylic acid; a glycidyl group containing acrylic copolymer; a further compound and/or resin having functional groups readable with the carboxylic acid groups; and a thermosetting curing catalyst. These thermosetting powder coatings are designed for coating heat-sensitive substrates such as wood, fibre board and other materials which can not withstand the excessive heat/time conditions necessary to cure traditional coatings. The powder coatings of the invention, when cured at temperatures below 150° C., produce a finish which exhibits a high gloss, smooth surface along with an outstanding hardness and weatherability.

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03-05-2012 дата публикации

Method for manufacturing carboxyl group-containing water-soluble polymer

Номер: US20120108776A1
Принадлежит: Sumitomo Seika Chemicals Co Ltd

In manufacturing of a carboxyl group-containing water-soluble polymer by a precipitation polymerization method, a method which can improve production efficiency with increasing practicality continuously adds a monomer solution wherein a monomer component containing an α,β-unsaturated carboxylic acid is dissolved in an inert solvent in a concentration of 20 to 50% by volume to an inert solvent charged in a reaction vessel. In this case, the amount of the inert solvent charged in the reaction vessel is set so that the concentration of the monomer component in the total amount summed up with the monomer solution is 10 to 24% by volume, and the time period until completion of continuous addition of the total amount of the monomer solution is set so that the conversion of the monomer component at the time of completion of addition of the total amount of the monomer solution is 60% or more. The monomer component may contain a polymerizable compound having two or more ethylenically unsaturated groups.

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19-07-2012 дата публикации

Polyester film for solar cells

Номер: US20120183792A1
Принадлежит: Toyobo Co Ltd

The invention provides a polyester film suitable for a back sheet for solar cells, which requires a high reflectance not only in the visible light region but also in the near-infrared region, and also requires a low reflection directivity. The polyester film is a cavity-containing polyester film having≈an average reflectance of 70-95% in a wavelength range of 400-1200 nm and an average transmittance of 5-30% in a wavelength range of 700-1200 nm.

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06-09-2012 дата публикации

Optical device with antistatic coating

Номер: US20120225301A1
Принадлежит: Individual

Optical devices comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of the optical layer wherein the antistatic layer comprises the reaction product of: (a) at least one polymerizable onium salt; and (b) at least one polymerizable, non-onium, silicone or perfluoropolyether moiety-containing monomer, oligomer, or polymer.

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22-11-2012 дата публикации

Methods of making and using polymers and compositions

Номер: US20120295353A1
Принадлежит: Corning Inc

Disclosed are methods of making and using polymers compositions. The polymer compositions may have monomer/oligomer mixtures that may have at least one silicone monomer or oligomer and at least one non-silicone monomer or oligomer, at least one crosslinker, and/or at least one polymerization initiator. The polymer compositions are cured, after which they may be useful in bioapplications, such as for use as freestanding films or coatings on a substrate, such as a mold, for cell culture.

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06-12-2012 дата публикации

Resin precursor composition and resin obtained by photocuring the same

Номер: US20120309863A1
Автор: Akiko Miyakawa
Принадлежит: Nikon Corp

Disclosed is a resin precursor composition including a bifunctional (meth)acrylate containing a fluorine atom, a bifunctional (meth)acrylate having a fluorene structure, and a photopolymerization initiator, the resin precursor composition in which the formation of precipitates during its storage is suppressed; and a resin obtained from the same. Specifically disclosed is a resin precursor composition that contains a bifunctional fluorine-containing (meth)acrylate (component A); a (meth)acrylate having a fluorene structure (component B); and a photopolymerization initiator (component C), wherein the component B includes a bifunctional (meth)acrylate having a fluorene structure (b-1) and a monofunctional (meth)acrylate having a fluorene structure (b-2) at a molar ratio (b-1):(b-2) of 90:10 to 70:30.

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27-12-2012 дата публикации

Water and oil resistant agent for paper and paper treatment process

Номер: US20120325419A1
Принадлежит: Daikin Industries Ltd

Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1 to 6 carbon atoms, the agent being able to afford a superior water and oil resistance to a paper. The invention also discloses a composition comprising the water and oil resistant agent, a process for treating a paper thereby and a treated paper thereby.

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21-02-2013 дата публикации

Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same

Номер: US20130043384A1
Принадлежит: NIPPON SHOKUBAI CO LTD

A polyacrylic acid (salt), or a polyacrylic acid (salt)-based water-absorbing resin, contains a tracer for detecting various troubles in the water-absorbing resin during the period from the production of the water-absorbing resin to the use and discard thereof by a consumer. The polyacrylic acid (salt)-based water-absorbing resin has a stable carbon isotope ratio, as determined by accelerator mass spectrometry, of less than −20% and a radioactive carbon content of 1.0×10 −14 or mole. The polyacrylic acid (salt)-based water-absorbing resin has: a CRC of 10 [g/g] or mole; an AAP of 20 [g/g] or mole; an Ext of 35 wt. % or less; a content of residual monomers of 1,000 ppm or less; a PSD in which the proportion of particles having a particle diameter of 150 μm or larger but less than 850 μm is 90 wt. % or more; and an FSR of 0.15 [g/g/s] or more.

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28-02-2013 дата публикации

Superabsorbent polymers and methods of making the same

Номер: US20130053522A1
Принадлежит: EVONIK DEGUSSA GmbH

In one aspect, a process for the preparation of a superabsorbent polymer is described herein. In some embodiments, the process comprises (I) preparing acrylic acid, wherein the process comprises (a1) provision of a fluid F1 having a composition comprising from about 5 to about 20 wt. % of hydroxypropionic acid, salts thereof, or mixtures thereof; from about 0.1 to about 5 wt. % of inorganic salts; from about 0.1 to about 30 wt. % of organic compounds which differ from hydroxypropionic acid; from 0 to about 50 wt. % of solids; and from about 20 to about 90 wt. % of water; (a2) dehydration of said hydroxypropionic acid to give a fluid F2 containing acrylic acid; and (a3) purification of said fluid F2 to give a purified acrylic acid phase comprising acrylic acid having a purity of at least 70 wt. %; and (II) polymerizing the acrylic acid of (I) to form a superabsorbent polymer.

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14-03-2013 дата публикации

METHOD OF PRODUCING WATER ABSORBENT RESIN

Номер: US20130066019A1
Принадлежит: NIPPON SHOKUBAI CO., LTD.

A method of enhancing and stabilizing the physical property (for example, liquid permeability) of a water absorbent resin by means of a simple technique without requiring any alteration of the raw materials or high capital investment, is provided. 132-. (canceled)33. A method for producing a water absorbent resin comprising:a polymerization step of polymerizing an aqueous solution of acrylic acid (salt) to obtain a water-containing gel-like crosslinked polymer;a drying step of drying the water-containing gel-like crosslinked polymer to obtain a water absorbent resin powder;a classification step of classifying the water absorbent resin powder; anda surface crosslinking step of surface crosslinking the water absorbent resin powder,{'sup': '2', 'wherein in the classification step that is carried out before the surface crosslinking step and/or after the surface crosslinking step, a tapping material is installed below the metal sieve mesh used in the classification step, and thereby classification is carried out, and the area of the metal sieve mesh is 1 to 10 [m/sheet].'}34. The method according to claim 33 , wherein the temperature of the tapping material is 40° C. to 100° C.35. The method according to claim 33 , wherein the tapping material is installed on a punching metal that is provided into plural compartments.36. A method for producing a water absorbent resin comprising:a polymerization step of polymerizing an aqueous solution of acrylic acid (salt) to obtain a water-containing gel-like crosslinked polymer;a drying step of drying the water-containing gel-like crosslinked polymer to obtain a water absorbent resin powder;a classification step of classifying the water absorbent resin powder; anda surface crosslinking step of surface crosslinking the water absorbent resin powder,wherein in the classification step that is carried out before the surface crosslinking step and/or after the surface crosslinking step, the water absorbent resin powder and a classification ...

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21-03-2013 дата публикации

RESIN PARTICLE AND METHOD FOR PRODUCING SAME

Номер: US20130071665A1
Принадлежит: SANYO CHEMICAL INDUSTRIES, LTD.

Disclosed is a resin particle having excellent low-temperature fusibility, having a sufficiently narrow size distribution, and that is obtained using a liquid or supercritical fluid. In the resin particle (C), which comprises a microparticle (A) containing a resin (a) being coated to or adhered to the surface of a resin particle (B) that contains another resin (b), the degree of swelling of the microparticle (A) resulting from liquid or supercritical carbon dioxide (X) at a temperature less than the glass transition temperature or the melting point of the microparticle (A) is no greater than 16%, and with the resin (a) as a constituent unit, the resin particle (C) contains 0.1-50 wt % of a non-crystalline non-halogen vinyl monomer (m1) of which the solubility parameter (SP value: (cal/cm)) is 7-9. 1. A resin particle (C) comprising a microparticle (A) containing a resin (a) being coated to or adhered to the surface of a resin particle (B) containing a resin (b) , wherein the degree of swelling of the microparticle (A) resulting from liquid or supercritical carbon dioxide (X) at a temperature less than the glass transition temperature or the melting point of the microparticle (A) is no greater than 16% , and the resin (a) contains , as a constituent unit , 0.1 to 50 wt % of a non-crystalline non-halogen vinyl monomer (m1) having a solubility parameter [SP value: (cal/cm)] of 7 to 9.2. The resin particle (C) according to claim 1 , wherein the non-crystalline non-halogen vinyl monomer (m1) is at least one kind of vinyl monomer selected from a silicone-containing vinyl monomer (m11) and a branched alkyl group-containing vinyl monomer (m12) having a carbon number of 8 to 30.3. The resin particle (C) according to claim 1 , wherein the resin (a) further contains claim 1 , as a constituent unit claim 1 , 30 to 99.9 wt % of a crystalline vinyl monomer (m2).4. The resin particle (C) according to claim 1 , wherein the particle diameter of the microparticle (A) is 0.01 to 1.0 μ ...

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21-03-2013 дата публикации

ANHYDROUS COMPOSITION AS A COATING AGENT FOR FUNCTIONAL LAYERS OF A MULTILAYER PAINT

Номер: US20130071668A1
Принадлежит: BASF COATINGS GMBH

Water-free composition comprising at least one saturated or unsaturated, epoxy-modified polyester as binder, at least one acrylate polymer or polyurethane polymer as further binder, polymer microparticles, at least one polymer which comprises functional groups consisting of blocked isocyanates and amino resins, as crosslinking agent, at least one pigment, at least one organic solvent, and at least one auxiliary or additive, the solids of the composition being at least 50% by weight. 1. A water-free composition comprisinga. a binder comprising at least one saturated or unsaturated, epoxy-modified polyester,b. a further binder comprising at least one acrylate polymer or plyurethane polymer,c. polymer microparticles,d. a crosslinking agent comprising at least one polymer comprising functional groups selected from the group consisting of blocked isocyanates and amino resins,e. at least one pigment,f. at least one organic solvent, andg. at least one auxiliary additive,the solids of the composition being at least 50% by weight and the composition being water-free.2. The water-free composition of claim 1 , wherein the polyester is present with a fraction of 5% to 20% by weight claim 1 , based on the total weight of the composition claim 1 , and the weight fractions of all of the constiuents add up to 100% by weight.3. The water-free composition of claim 2 , wherein the composition comprisesa. 5% to 30% by weight of at least one acrylate polymer or polyurethane polymer as further binder,b. 5% to 20% by weight of polymer microparticles,c. 5% to 15% by weight of at least one polymer which comprises functional groups selected from the group consisting of blocked isocyanates and amino resins, as crosslinking agent,d. 5% to 49.5% by weight of at least one pigment,e. 30% to 50% by weight of at least one organic solvent, andf. 0.5% to 40% by weight of at least one auxiliary or additive, based in each case on the total weight of the compsosition.4. The water-free composition of ...

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21-03-2013 дата публикации

STORAGE STABLE WATER BASED EPOXY-AMINE CURABLE SYSTEMS

Номер: US20130072597A1
Принадлежит: Momentive Specialty Chemicals Inc.

The invention relates to non aqueous curing agents for water dispersed epoxy resins. The curing agent composition offers a binder pot life of several hours, and in the presence of a metal, such as zinc, nearly no hydrogen generation is observed. The present curing composition can be mixed with a metal powder to provide a storage stable paste. The curing agent composition and/or paste is fully compatible with an epoxy water based resin. After low shear blending, the epoxy curing agent and metal system is storage stable for several hours working pot life that provides for cured coatings having good performance. 1. A curing agent for epoxy resins comprising:(a) a first amine adduct, which is a reaction product of an amine-terminated intermediate and a monofunctional epoxy compound, wherein the amine-terminated intermediate is prepared by reacting at least one polyamine or polyamidoamine, having at least 3 active amine hydrogen atoms per molecule, and at least one epoxy resin having a functionality of at least 1.5, in an epoxy functionality equivalents to polyamine or polyamidoamine mole ratio of 0.9:1 to 1:10, the excess of the polyamine or polyamidoamine being eliminated, and wherein the monofunctional epoxy compound is present in an amount calculated to react away the primary amines still present in the amine-terminated intermediate,(b) an optional second amine adduct which is prepared from a cycloaliphatic alkyl amine or polyamine and an epoxy compound,(c) a sterically hindered hydrophobic alkyl amine or diamine, and/or a hydrocarbon resin,(d) a component having amino or polyamino polyalkyleneglycol moieties and/or a medium to low molecular weight amino silane, and(e) optionally a metal powder.2. The curing agent of comprising 2-15 wt % of (a) claim 1 , based on the weight of the curing agent.3. The curing agent of claim 1 , wherein the second amine adduct is present claim 1 , comprising 2-20 wt % of the second amine adduct (b) claim 1 , the wt % based on the weight ...

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28-03-2013 дата публикации

BIODEGRADABLE BIAXIALLY DRAWN FILM WITH CONTROLLED TEAR RESISTANCE

Номер: US20130079455A1
Принадлежит:

The invention relates to a film with controllable tear resistant properties, comprising at least one basic layer which contains at least one polymer I from at least one hydroxycarboxylic acid, and >0.1 wt. %, in relation to the weight of the layer, of a thermoplastic polymer II which is different from polymer I, and/or inorganic additives. 125-. (canceled)26. A method for improving the initial-tear and tear propagation behavior of a biaxially stretched film which comprises at least one polymer I comprising at least one hydroxycarboxylic acid , said method includes adding 0.2-5% by weight , based on the weight of the film of (i) a thermoplastic polymer II which is propylene homopolymer or a mixture thereof or (ii) a theromplastic polymer II which is polyethylene or a mixture thereof.27. The method according to claim 26 , wherein the polymer I is a polylactic acid.28. The method according to claim 26 , wherein wherein the polymer I is a polylactic acid which comprises 80-100% by weight of L-lactic acid units and from 0 to 20% by weight of D-lactic acid units or other polyhydroxycarboxylic acid units.29. The method according to claim 26 , wherein polymer I is in a base layer and said base layer additionally includes an inorganic additive.30. The method according to claim 26 , wherein said thermoplastic polymer II is propylene homopolymer or a mixture thereof.31. The method according to claim 26 , wherein said thermoplastic polymer II is polyethylene or a mixture thereof.32. The method according to claim 31 , wherein said polyethylene is an HDPE claim 31 , an LDPE or an MDPE.33. The method according to claim 28 , wherein said polyethylene is an HDPE claim 28 , an LDPE or an MDPE.34. The method according to claim 32 , wherein wherein the polymer I is a polylactic acid which comprises 80-100% by weight of L-lactic acid units and from 0 to 20% by weight of D-lactic acid units or other polyhydroxycarboxylic acid units.35. The method according to claim 28 , wherein said ...

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11-04-2013 дата публикации

BIODEGRADABLE SHEET AND AN ARRAY OF SEPARABLE POUCHES FOR LIQUIDS

Номер: US20130087560A1
Принадлежит:

Disclosed is a biodegradable sheet prepared from biodegradable material, a process for preparing the biodegradable sheet and uses thereof. One of the disclosed uses of the biodegradable sheet is in the preparation of a flexible liquid receptacle. Disclosed also is a flexible liquid receptacle arranged as an array of several receptacle units that are attached to one another and that may be detached from one another by tearing along a perforated line created between each two receptacle units. The disclosed array may also include a hanger, thus allowing the array to be hung from any appropriate means. 1. (canceled)2. (canceled)3. (canceled)4. A single layered biodegradable sheet comprising PLA and PBS at a w/w ratio of between 2:1 to 0.5:1.5. The single layer of wherein the single layered biodegradable sheet further comprises Ecoflex.6. The single layer of claim 5 , wherein the single layered biodegradable sheet comprising about 33.3% w/w PLA claim 5 , 33.3% w/w PBS and 33.3% w/w Ecoflex.7. The single layer of claim 4 , wherein the single layered biodegradable sheet comprising about 20% w/w PLA and 80% w/w PBS.8. The single layer biodegradable sheet of claim 4 , wherein the biodegradable sheet comprising about 20% w/w PLA claim 4 , 40% w/w PBS and 40% w/w Novamont CF.9. A multi-layered biodegradable sheet comprising the three layers claim 4 , wherein the outer layers are identical and includes: PLA claim 4 , PBS and Ecoflex at a w/w ratio of between 2:1 to 0.5:1 or PLA claim 4 , PBSA and PBAT at a w/w ratio of between 2:1 to 0.5:1 and the inner layer includes 100% w/w PHA or PBAT.10. The multi-layered biodegradable sheet of claim 9 , comprising the three layers claim 9 , whereinLayer 1 comprises about 33.3% w/w PLA, 33.3% w/w PBS and 33.3% w/w Ecoflex;Layer 2 comprises 100% w/w PHA; andLayer 3 comprises 33.3% w/w PLA, 33.3% w/w PBS and 33.3% w/w Ecoflexwherein layer 2 is sandwiched between layers 1 and 3.11. The multi-layered biodegradable sheet of claim 9 , comprising ...

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02-05-2013 дата публикации

Biodegradable Chewing Gum

Номер: US20130108732A1
Принадлежит: Gumlink AS

A chewing gum includes a polyester having as polyester-forming components in condensed form: (a) a dicarboxylic acid, (b) a diol and (c) a compound having at least three groups capable of ester formation in an amount of from 0.1 to 10.0% by weight, based on the total weight of components (a), (b) and (c). The polyester includes components (a) and (b) in an amount of at least 90% by weight, based on the total weight of the polyester. The chewing gum includes the polyester in an amount of at least 5% by weight of the chewing gum. The chewing gum further includes a sweetening agent and/or a flavoring agent in an amount of 10 to 95% by weight of the chewing gum. The molar ratio between aromatic acids and aliphatic acids of the dicarboxylic acid is between 0 and 1:4.2.

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09-05-2013 дата публикации

POLYESTER RESIN COMPOSITION AND A PROCESS FOR MANUFACTURING THE SAME

Номер: US20130115402A1
Принадлежит: BASF SE

Co-polyester resin compositions and processes for manufacturing resin compositions are provided, said resin compositions being suitable for extrusion blow molding for the manufacture of containers with good color, clarity for both food, non-food applications and other applications such as profile extrusions and manufacture of blown films which require high melt strength polyester. 1. A process for preparing an extrusion-blow-moldable co-polyester resin composition; the process comprising: at least one pair of polyester-forming materials selected from the group of pairs consisting of a diol-dicarboxylic acid pair, a diol-dicarboxylic ester pair, and a diol-recycled PET pair, a co-monomer, and', 'at least one additive selected from the group consisting of an impact modifier, an antioxidant, a catalyst, an acetaldehyde inhibitor and a color toner, to obtain a reaction mixture;, 'a. charging in a reactor'}b. subjecting the reaction mixture to an esterification, an ester-interchange reaction, or glycolysation, to yield a pre-polymer;c. charging a chain extender, in a proportion of about 0.05 wt. % to about 2.0 wt. %, in the reaction mixture during (b) in at least one portion or in continuous manner at controlled dosing rate when the intrinsic viscosity of the reaction mixture is <0.20;d. subjecting the pre-polymer to polycondensation at a temperature in the range of about 270° C. to about 305° C. under pressure of less than 10 mb, to obtain amorphous chips having an I.V. in range 0.40 to 0.80;e. crystallizing the amorphous chips at a temperature in the range of about 110° C.-170° C. to obtain chips with a crystallinity of more than 30%; andf. processing the crystallized chips in a solid state polymerizer at a temperature in the range of about 190° C. to about 225° C. till the required I.V. of about 0.70 to about 2.0, is achieved, to obtain an EBM grade co-polyester resin composition.2. The process of claim 1 , wherein the diol is monoethylene glycol claim 1 , diethylene ...

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09-05-2013 дата публикации

Topcoat compositions and photolithographic methods

Номер: US20130115553A1
Автор: Deyan Wang
Принадлежит: Rohm and Haas Electronic Materials LLC

Topcoat compositions are provided that can be used in immersion lithography to form photoresist patterns. The topcoat compositions include a polymer system that includes a matrix polymer and a surface active polymer. The matrix polymer is present in the composition in a larger proportion by weight than the surface active polymer, and the surface active polymer has a lower surface energy than a surface energy of the matrix polymer. A solvent system includes a first organic solvent chosen from gamma-butyrolactone and/or gamma-valerolactone, and a second organic solvent. The first organic solvent has a higher surface energy than a surface energy of the surface active polymer, and a higher boiling point than a boiling point of the second organic solvent.

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16-05-2013 дата публикации

SIZING AGENT FOR REINFORCEMENT FIBERS, SYNTHETIC FIBER STRAND, AND FIBER-REINFORCED COMPOSITE

Номер: US20130123407A1
Принадлежит: MATSUMOTO YUSHI-SEIYAKU CO., LTD.

A sizing agent for reinforcement fibers which imparts good bonding performance to a reinforcement fiber is used to reinforce thermoplastic matrix resin, and provide a synthetic fiber strand applied with the sizing agent and a fiber-reinforced composite reinforced with the synthetic fiber strand. The sizing agent essentially contains a neutralization product of a modified polypropylene resin and an amine compound having at least two hydroxyl groups or amino groups in the molecule, and the nonvolatile component of the sizing agent exhibits an endothermic heat of fusion not higher than 50 J/g in determination with a differential scanning calorimeter (DSC). 1. A sizing agent for a reinforcement fiber used for reinforcing a thermoplastic matrix resin , the sizing agent comprisinga neutralization product of a modified polypropylene resin and an amine compound having at least two hydroxyl groups or at least two amino groups in the molecule, wherein the nonvolatile component of the sizing agent exhibits an endothermic heat of fusion not higher than 50 J/g in determination with a differential scanning calorimeter (DSC).2. A sizing agent for a reinforcement fiber according to claim 1 , being formulated by blending the modified polypropylene resin in an amount ranging from 10 to 90 weight percent to the whole amount of the nonvolatile component of the sizing agent and the amine compound in an amount ranging from 1 to 20 weight percent to the whole amount of the nonvolatile component of the sizing agent.3. A sizing agent for a reinforcement fiber according to claim 1 , wherein the boiling point of the amine compound ranges from 240 to 340 deg. C.4. A sizing agent for a reinforcement fiber according to any claim 1 , wherein the amine compound is a chemical compound represented by the following chemical formula (1) and/or chemical formula (2):{'br': None, 'sup': '1', 'sub': 2', '2', '2, 'RN(CHCHOH)\u2003\u2003(1)'}{'sup': '1', 'sub': 2', '2', '1', '10', '1', '18, 'claim-text': {' ...

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16-05-2013 дата публикации

AMORPHOUS HEAT-FUSIBLE FIBER, FIBER STRUCTURE, AND HEAT-RESISTANT MOLDED ARTICLE

Номер: US20130123437A1
Принадлежит: KURARAY CO., LTD.

Provided are a heat-fusible fiber having excellent heat resistance, flame retardancy and dimensional stability; a fiber structure comprising the heat-fusible fiber; and a molded article produced by applying a heat fusion treatment to the fiber structure and having excellent heat resistance. The heat-fusible fiber comprises an amorphous PES type polymer (A) not substantially having a melting point and an amorphous PEI type polymer (B) in the mixture ratio (weight) of (A)/(B)=5/95 to 95/5, the fiber having a single glass transition temperature in the range between 80° C. and 200° C., and being amorphous. The fiber structure comprises 10% by weight or higher of the amorphous heat-fusible fiber. The molded article comprises at least a fiber structure comprising 10% by weight or higher of the amorphous heat-fusible fiber, to be fusion-bonded at a temperature higher than the glass transition temperature of the amorphous heat-fusible fiber. 1: An amorphous heat-fusible fiber , comprising:(A) an amorphous polyester not substantially having a melting point; and(B) an amorphous polyetherimide,wherein:a weight ratio of (A)/(B) is 5/95 to 95/5; andthe fiber has a single glass transition temperature in a range between 80° C. and 200° C.2: The amorphous heat-fusible fiber of claim 1 , wherein the amorphous polyester (A) comprises a terephthalic acid component (D) and an isophthalic acid component (E) claim 1 , wherein a copolymerization ratio (mole % ratio) of (D)/(E) ranges from 70/30 to 40/60.4: The amorphous heat-fusible fiber of claim 1 , having a dry heat shrinkage percentage of 3% or less at a temperature of (glass transition temperature −10) ° C.5: The amorphous heat-fusible fiber of claim 1 , wherein the fiber is a melt-spun and un-drawn fiber.6: A fiber structure claim 1 , comprising 10% by weight or higher of the amorphous heat-fusible fiber of .7: A heat-resistant molded article claim 1 , comprising a fiber structure claim 1 , comprising 10% by weight or higher of the ...

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23-05-2013 дата публикации

Liquid crystal display device and process for producing liquid crystal display device

Номер: US20130128204A1
Принадлежит: Sharp Corp

The present invention provides a liquid crystal display device in which image sticking seldom occurs. The liquid crystal display device according to the present invention includes a pair of substrates, and a liquid crystal layer disposed between the pair of substrates, wherein the liquid crystal layer includes a liquid crystal material having a negative dielectric constant anisotropy, at least one of the pair of substrates is provided with an alignment film for vertically aligning adjacent liquid crystal molecules, and a polymer layer formed on the alignment film for controlling the alignment of the adjacent liquid crystal molecules, and the polymer layer is formed by polymerization of at least one monomer, the polymerization being initiated by radicals generated of the monomer upon absorption of light.

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23-05-2013 дата публикации

BIOMATERIAL CONTAINING DEGRADATION STABILIZED POLYMER

Номер: US20130129666A1
Принадлежит: SCIL TECHNOLOGY GMBH

The invention provides a polymer based material comprising a water binding agent present in an amount sufficient to chemically and/or physically absorb and/or adsorb water to prevent degradation of the polymer. The invention also provides a polymer based material comprising a plasticizer or organic solvent as well as a multi-component material or composite including materials encompassing a second polymer and/or an active agent. The invention further provides a pharmaceutical composition comprising the aforesaid polymer based material, which can be used for treatment of bone, cartilage and/or periodontal defects. 1. A polymer-comprising material comprising(a) a plasticizer, which is a water soluble or water miscible organic solvent,(b) a water degradable and water insoluble polymer, wherein the polymer is soluble in the plasticizer and capable of solidifying in an aqueous medium or body fluid to form a solid or semi-solid implant upon removal of the plasticizer into the surrounding tissue, and(c) a water-binding agent, wherein the water-binding agent is present in an amount of 25 wt % or less, which amount is sufficient to physically absorb and/or adsorb or chemically adsorb water to prevent degradation of the polymer, wherein the water-binding agent is silica gel, zeolite, dewatered calcium sulfate dehydrate, calcium sulfate anhydrous, sodium sulfate anhydrous, magnesium sulfate anhydrous, magnesium ethanolate, calcium ethanolate, aluminum ethanolate, or a mixture thereof;wherein the polymer-comprising material is selected from the group consisting of a tissue regeneration material, a bone filler, a bone replacement, an in situ hardening implant, a porous implant, an osteoinductive material, and a periodontal regeneration material.2. The polymer-comprising material of claim 1 , which further comprises an inorganic filler claim 1 , a pore forming agent claim 1 , a pore initiating filler claim 1 , at least a second polymer claim 1 , or any combination thereof.3. The ...

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23-05-2013 дата публикации

Compositions comprising polymers prepared from 2-hydroxyalkyl acids

Номер: US20130131190A1
Принадлежит: UNIVERSITE DE GENEVE

Described herein are compositions comprising polymers prepared by melt polycondensation of 2-hydroxyalkyl acids. Methods of making and using the compositions are also disclosed.

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23-05-2013 дата публикации

POLYHYDROXYALKANOATE COMPOSITION EXHIBITING IMPROVED IMPACT RESISTANCE AT LOW LEVELS OF IMPACT MODIFIER

Номер: US20130131272A1
Принадлежит: Arkema Inc.

The invention provides a composition exhibiting improved impact resistance at low levels of impact modifier. The composition comprises a polyhydroxyalkanoic acid and: 1. A composition comprising a polyhydroxyalkanoic acid and:(A) an elastomeric compound of core-shell type; and(B) and an olefinic copolymer comprising an ethylenic monomer bearing an epoxy function;wherein the amount of (B) is from 0.01 to 0.6% by mass of the composition and the mass ratio of (A)/(B) is from 85/15 to 99.5/0.5.2. The composition as claimed in claim 1 , wherein the ethylenic monomer bearing an epoxy function is glycidyl (meth)acrylate.3. The composition as claimed in claim 1 , wherein (B) is a copolymer of ethylene claim 1 , of glycidyl methacrylate and optionally of an alkyl (meth)acrylate in which the alkyl chain comprises from 1 to 30 carbon atoms.4. The composition as claimed in claim 1 , additionally comprising an additional olefinic polymer (C) other than the olefinic copolymer comprising an ethylenic monomer bearing an epoxy function.5. The composition as claimed in claim 4 , wherein the additional olefinic polymer (C) is a copolymer of ethylene and of an alkyl (meth)acrylate claim 4 , a copolymer of ethylene and a carboxylic acid vinyl ester claim 4 , a copolymer of ethylene and of a (meth)acrylic acid or an ionomer claim 4 , preferentially a copolymer of ethylene and of an alkyl acrylate with an alkyl chain ranging from 1 to 20.6. The composition as claimed in claim 4 , in which the mass ratio (B)/(C) is within the range from 90/10 to 10/90.7. The composition as claimed in claim 1 , wherein the mass ratio (A)/(B) is within the range from 89/11 to 96/4.8. The composition as claimed in claim 1 , wherein the amount of (A)+(B) is within the range from 0.5 to 6% by mass of the composition.9. The composition as claimed in claim 1 , in which the amount claim 1 , in polymerized form claim 1 , of ethylenic monomer comprising an epoxy function is within the range from 0.005% to 0.05% by ...

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30-05-2013 дата публикации

Biodegradable material and plant container

Номер: US20130133253A1
Автор: Greg S. Patterson
Принадлежит: Aspen Acquisition Corp

A biodegradable plant container made from a cellulosically derived polymer is coated with an enhancer to facilitate biodegradation of the container.

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30-05-2013 дата публикации

POROUS FILM

Номер: US20130137788A1
Принадлежит:

The invention provides a porous film including a polylactic acid based resin (A), a thermoplastic resin (B) that is not a polylactic acid based resin, and a filler (C), wherein resin (A) and resin (B) account for 10 to 95 mass % and 5 to 90 mass %, respectively, of the sum total 100 mass % of resin (A) and resin (B), while the filler (C) accounts for 1 to 400 parts by mass of the sum total 100 parts by mass of resin (A) and resin (B), with the porosity being 1 to 80%. The present invention provides a polylactic acid based porous film that has high flexibility, moisture permeability, heat resistance, and bleed-out resistance. 1. A porous film including a polylactic acid based resin (A) , a thermoplastic resin (B) that is not a polylactic acid based resin , and a filler (C) , whereinresin (A) and resin (B) account for 10 to 95 mass % and 5 to 90 mass %, respectively, of the sum total 100 mass % of resin (A) and resin (B), while the filler (C) accounts for 1 to 400 parts by mass of the sum total 100 parts by mass of resin (A) and resin (B),with the porosity being 1 to 80%.2. A porous film as defined in wherein resin (A) is a mixture of a crystalline polylactic acid based resin and an amorphous polylactic acid based resin.3. A porous film as defined in wherein resin (B) is at least one resin selected from the group consisting of a block copolymer having a polyether segment and a polylactic acid segment claim 1 , a block copolymer having a polyester segment and a polylactic acid segment claim 1 , an aliphatic polyester based resin claim 1 , and an aliphatic-aromatic polyester based resin.4. A porous film as defined in wherein resin (B) is a combination of a one resin selected from the group consisting of a block copolymer having a polyether segment and a polylactic acid segment and a block copolymer having a polyester segment and a polylactic acid segment claim 3 , with at least one resin selected from the group consisting of an aliphatic polyester based resin and an ...

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30-05-2013 дата публикации

Resin composition

Номер: US20130137802A1
Принадлежит: Kao Corp

A resin composition containing: an ester compound including a carboxylic acid ester obtained by using (1) a monohydric alcohol having an alkyl group having 1 to 4 carbon atoms; (2) a dicarboxylic acid having an alkylene group having 2 to 4 carbon atoms; and (3) a dihydric alcohol having an alkylene group having 2 to 6 carbon atoms, the ester compound having an acid value of 1.00 mgKOH/g or less, a hydroxyl value of 5.0 mgKOH/g or less, and a number-average molecular weight of from 300 to 700; and an aliphatic polyester. Since the resin composition of the present invention inhibits the generation of volatile compounds, the resin composition can be suitably used in various industrial applications, such as daily sundries, household electric appliance parts, and automobile parts.

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13-06-2013 дата публикации

Method for producing expandable granulates containing polylactic acid

Номер: US20130150468A1
Принадлежит: BASF SE

The invention relates to a process for producing expandable pelletized material which comprises polylactic acid which comprises the following steps: a) melting and incorporation by mixing of the following components: i) from 50 to 99.9% by weight, based on the total weight of components i to iii), of polylactic acid, ii) from 0 to 49.9% by weight, based on the total weight of components i to iii), of one or more further polymers, iii) from 0.1 to 2% by weight, based on the total weight of components i to iii), of a diepoxide or polyepoxide, and iv) from 0 to 10% by weight of one or more additives, b) incorporation by mixing of v) from 3 to 7% by weight, based on the total weight of components i to iv), of an organic blowing agent into the polymer melt by means of a static or dynamic mixer at a temperature of at least 140° C., c) discharging through a die plate with holes, the diameter of which at the exit from the die is at most 1.5 mm, and d) pelletizing the melt comprising blowing agent directly downstream of the die plate, and under water, at a pressure in the range from 1 to 20 bar. The invention further relates to expandable pelletized material which comprises polylactic acid and which is obtainable by said process, and also to specific expandable pelletized material which comprises polylactic acid and which has a proportion of from 3 to 7% by weight of an organic blowing agent, preferably n-pentane and particularly preferably isopentane. The invention further relates to a preferred process for producing expandable pelletized material which comprises blowing agent and which comprises polylactic acid, and which has low bulk density.

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13-06-2013 дата публикации

ISOCYANATE-TERMINATED PREPOLYMER

Номер: US20130150534A1
Принадлежит: Rohm and Haas Company

An isocyanate-terminated prepolymer having three components. The first component is 30-60 wt % polymerized residues of a first polyol containing a substituent of formula (I) 2. The isocyanate-terminated prepolymer of in which the first polyol comprises from 3 wt % to 9 wt % of esterified residues of at least one C-Canhydride claim 1 , C-Cdiacid or C-Clactone.3. The isocyanate-terminated prepolymer of in which the first polyol comprises from 0.35 to 0.38 units of formula (I) per fatty acid hydrocarbyl group.4. The isocyanate-terminated prepolymer of in which the first polyol comprises from 15 wt % to 27 wt % polymerized residues of at least one C-Caliphatic diol and has a hydroxyl number from 100 to 125 mg KOH/g.5. The isocyanate-terminated prepolymer of comprising 4-14 wt % polymerized residues of a glycol having Mfrom 300 to 3500.7. The two-component urethane system of in which the first polyol comprises from 3 wt % to 9 wt % esterified residues of at least one C-Canhydride claim 6 , C-Cdiacid or C-Clactone.9. The two-component urethane system of in which polymerized residues of at least one C-Caliphatic diol are present in the second polyol in an amount from 15 wt % to 32 wt % and the second polyol has a hydroxyl number from 150 to 195 mg KOH/g.10. The two-component urethane system of in which the second polyol comprises 3 wt % to 9 wt % esterified residues of a C-Caromatic anhydride. This invention relates generally to an isocyanate-terminated prepolymer produced from biological materials.The use of triglycerides in preparation of alkyd resins is well known. Typically, these resins are produced without modifying the fatty acid chains, but rather by utilizing the triglyceride ester groups to react with acids and glycols to form polyesters. Such resins usually have high molecular weights and require solvent to deliver the resin in a coating application.Production of condensation products useful in paints from reaction of triglycerides with maleic anhydride, ...

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13-06-2013 дата публикации

HIGHLY HEAT RESISTANT AND HIGHLY STRONG ACRYLIC COPOLYMER, A RESIN COMPOSITION COMPRISING THE SAME AND AN OPTICAL FILM AND AN IPS MODE LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME

Номер: US20130150546A1
Принадлежит: LG CHEM ,LTD.

Provided is an acrylic copolymer comprising; an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same. 1. An acryl-based copolymer comprising:an alkyl (meth)acrylate-based monomer;a monomer comprising a cyclic pendant structure; anda tert-butyl (meth)acrylate-based monomer.2. The acryl-based copolymer of claim 1 , further comprising a (meth)acrylamide-based monomer.3. The acryl-based copolymer of claim 1 , wherein the alkyl (meth)acrylate-based monomer has an alkyl group having a carbon number of 1-10.4. The acryl-based copolymer of claim 1 , wherein the alkyl (meth)acrylate-based monomer is methyl (meth)acrylate.5. The acryl-based copolymer of claim 1 , wherein the monomer comprising the cyclic pendant structure is styrene-based monomer.6. The acryl-based copolymer of claim 5 , wherein the styrene-based monomer is one or more selected from the group consisting of styrene claim 5 , α-methylstyrene claim 5 , 3-methylstyrene claim 5 , 4-methylstyrene claim 5 , 2 claim 5 ,4-dimethylstyrene claim 5 , 2 claim 5 ,5-dimethylstyrene claim 5 , 2-methyl-4-chlorostyrene claim 5 , 2 claim 5 ,4 claim 5 ,6-trimethylstyrene claim 5 , cis-β-methylstyrene claim 5 , trans-β-methylstyrene claim 5 , 4-methyl-α-methylstyrene claim 5 , 4-fluoro-α-methylstyrene claim 5 , 4-chloro-α-methylstyrene claim 5 , 4-bromo-α-methylstyrene claim 5 , 4-t-butylstyrene claim 5 , 2-fluoro styrene claim 5 , 3-fluorostyrene claim 5 , 4-fluorostyrene claim 5 , 2 claim 5 ,4-difluorostyrene claim 5 , 2 claim 5 ,3 claim 5 ,4 claim 5 ,5 claim 5 ,6-pentafluorostyrene claim 5 , 2-chlorostyrene claim 5 , 3-chlorostyrene claim 5 , 4-chlorostyrene claim 5 , 2 claim 5 ,4-dichlorostyrene claim 5 , 2 claim 5 ,6-dichlorocstyrene claim 5 , octachlorostyrene claim 5 , 2-bromostyrene claim ...

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20-06-2013 дата публикации

VULCANIZABLE HALOGENATED ELASTOMER COMPOSITIONS

Номер: US20130158170A1
Принадлежит: Dow Global Technologies LLC

The invention provides articles obtained from curing a composition consisting of a polymercapto crosslinking agent, a vulcanization accelerator, an inorganic base, a nitrogen containing chelating agent, wherein the nitrogen containing chelating agent is selected from the group consisting of 1,10-phenanthroline and 2,2-bipyridyl, and polyethylenimine; and a halogenated elastomer; wherein said nitrogen containing chelating agent is soluble in said halogenated elastomer. 1: An article obtained from curing of a composition consisting of:a) a polymercapto crosslinking agent,b) a vulcanization accelerator,c) an inorganic base,d) a nitrogen containing chelating agent, wherein the nitrogen containing chelating agent is selected from the group consisting of 1,10-phenanthroline and 2,2-bipyridyl, and polyethylenimine; ande) a halogenated elastomer; wherein said nitrogen containing chelating agent is soluble in said halogenated elastomer.2: The article of claim 1 , wherein the polymercapto crosslinking agent is 2 claim 1 ,5-dimercapto-1 claim 1 ,3 claim 1 ,4-thiadiazole or a derivative thereof.3: The article of claim 1 , wherein the polymercapto crosslinking agent is 2-mercapto-1 claim 1 ,3 claim 1 ,4-thiadiazole-5-thiobenzoate.4: The article of claim 1 , wherein the vulcanization accelerator is selected from the group consisting of quaternary ammonium or phosphonium salts claim 1 , tertiary amines claim 1 , and dihydropyridine derivatives. This application is a continuation application of U.S. patent application Ser. No. 11/719,222, filed on May 14, 2007, entitled, “VULCANIZABLE HALOGENATED ELASTOMER COMPOSITIONS,” which is a 371 U.S. national phase application of International Patent Application Serial No. PCT/US05/46473, filed on Dec. 21, 2005, which is an application that claims the benefit of U.S. Provisional Application No. 60/638,093, filed on Dec. 21, 2004, the teachings of which are incorporated herein, in their entirety, by reference, as if fully reproduced ...

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27-06-2013 дата публикации

MIXTURES COMPRISING AMINOALKYL-CONTAINING POLYORGANOSILOXANES AND SILICONE RESINS

Номер: US20130165566A1
Принадлежит: Wacker Chemie AG

Storage stable polyorganosiloxane-silicone resin mixtures contain: 112-. (canceled)14. The mixture of claim 13 , wherein the silicone resins (S) are MQ silicone resins comprising at least 80 mol % of units of the formulae VII and X claim 13 , and the average ratio of units of the formulae VII to X is in the range from 0.25 to 4.15. The mixture of claim 13 , wherein the liquid aminoalkyl-containing polyorganosiloxanes (P) comprise at least 95 mol % of units selected from units of the formulae I claim 13 , II and III.16. The mixture of claim 14 , wherein the liquid aminoalkyl-containing polyorganosiloxanes (P) comprise at least 95 mol % of units selected from units of the formulae I claim 14 , II and III.17. The mixture of claim 13 , wherein the monovalent hydrocarbyl radicals R claim 13 , R claim 13 , R claim 13 , R claim 13 , Rand Rare alkyl radicals having 1 to 6 carbon atoms or phenyl radicals.18. The mixture of claim 14 , wherein the monovalent hydrocarbyl radicals R claim 14 , R claim 14 , R claim 14 , R claim 14 , Rand Rare alkyl radicals having 1 to 6 carbon atoms or phenyl radicals.19. The mixture of claim 15 , wherein the monovalent hydrocarbyl radicals R claim 15 , R claim 15 , R claim 15 , R claim 15 , Rand Rare alkyl radicals having 1 to 6 carbon atoms or phenyl radicals.20. The mixture of claim 13 , wherein the Rradicals are —CHNRR claim 13 , —(CH)NRRor —(CH)N(R)(CH)N(R).21. The mixture of claim 14 , wherein the Rradicals are —CHNRR claim 14 , —(CH)NRRor —(CH)N(R)(CH)N(R).22. The mixture of claim 15 , wherein the Rradicals are —CHNRR claim 15 , —(CH)NRRor —(CH)N(R)(CH)N(R).23. The mixture of claim 17 , wherein the Rradicals are —CHNRR claim 17 , —(CH)NRRor —(CH)N(R)(CH)N(R).24. The mixture of claim 20 , wherein the radicals Rand Rare H.25. The mixture of claim 20 , wherein 1 to 90 mol % of the Rand Rradicals are acetyl radicals and the remaining Rand Rradicals are H.26. The mixture of claim 13 , wherein the viscosity of the polyorganosiloxanes (P) is in ...

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04-07-2013 дата публикации

FLUORINATED CORE-SHELL-POLYMERS AND PROCESS FOR PREPARING SAME

Номер: US20130171346A1
Принадлежит:

Disclosed is a process for preparing fluorinated core-shell polymer particles in which the core is a non-fluorinated polymer and the shell is derived from at least 50% by weight of fluorinated monomers, by 1) synthesizing a core polymer latex by aqueous emulsion polymerization of non-fluorinated monomers forming the core polymer, 2) adding the shell-forming fluorinated monomers or mixtures of at least 50% by weight of fluorinated monomers with non-fluorinated monomers to the core polymer latex of step 1) and allowing for at least one hour of equilibration time in which essentially no polymerization of the shell monomers occurs, 3) reacting the shell-forming monomers in the mixture from step 2) to form the core-shell polymer particles, wherein the process steps 1) to 3) are carried out under mechanical stirring in the absence of surfactants, emulsifiers, emulsifying monomers and mixtures thereof. 1. A process for preparing fluorinated core-shell polymer particles in which the core is a non-fluorinated polymer and the shell is derived from at least 50% by weight of fluorinated monomers , by(1) synthesizing a core polymer latex by aqueous emulsion polymerization of non-fluorinated monomers forming the core polymer(2) adding the shell-forming fluorinated monomers or mixtures of at least 50% by weight of fluorinated monomers with non-fluorinated monomers to the core polymer latex of step 1) and allowing for at least one hour of equilibration time in which essentially no polymerization of the shell monomers occurs,(3) reacting the shell-forming monomers in the mixture from step 2) to form the core-shell polymer particleswherein the process steps 1) to 3) are carried out under mechanical stirring in the absence of surfactants, emulsifiers, emulsifying monomers and mixtures thereof.2. The process according to claim 1 , wherein the shell is derived from at least 75% by weight claim 1 , preferably at least 95% by weight claim 1 , of fluorinated monomers.3. The process ...

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04-07-2013 дата публикации

SUPERABSORBENT POLYMERS

Номер: US20130171737A1

A superabsorbent polymer network formed of two monomers and two crosslinkers. The monomers and the crosslinkers are described herein. Further, a method for preparing this superabsorbent polymer network is disclosed. Also disclosed is a method of determining a ratio between two monomeric moieties in a superabsorbent polymer network formed of two monomers. 2. The superabsorbent polymer network of claim 1 , wherein the superabsorbent polymer network contains the copolymers of the first monomer and the second monomer.3. The superabsorbent polymer network of claim 2 , wherein the superabsorbent polymer network is formed of 12 to 20 mole % the first monomer claim 2 , 79 to 87 mole % the second monomer claim 2 , 0.2 to 0.3 mole % the first crosslinker claim 2 , and 0.3 to 1.2 mole % the second crosslinker.4. The superabsorbent polymer network of claim 3 , wherein the first monomer is itaconic acid and the second monomer is acrylic acid.5. The superabsorbent polymer network of claim 4 , wherein the second crosslinker is ethylene glycol claim 4 , diethylene glycol claim 4 , triethylene glycol claim 4 , or a combination thereof.6. The superabsorbent polymer network of claim 5 , wherein the first crosslinker is N claim 5 ,N′-methylene bisacrylamide claim 5 , N claim 5 ,N′-ethylenebisacrylamide claim 5 , or a combination thereof.7. The superabsorbent polymer network of claim 1 , wherein the first monomer is itaconic acid claim 1 , fumaric acid claim 1 , itaconamic acid claim 1 , maleic acid claim 1 , methyl maleic acid claim 1 , or a combination thereof; the second monomer is acrylic acid claim 1 , 2-hydroxyethyl methacrylate claim 1 , methacrylic acid claim 1 , acrylamide claim 1 , methacrylamide claim 1 , acryloxypropionic acid claim 1 , or a combination thereof; the first crosslinker is N claim 1 ,N′-methylene bisacrylamide claim 1 , N claim 1 ,N′-ethylene bisacrylamide claim 1 , 1 claim 1 ,3-propylene bisacrylamide claim 1 , ethylene diacrylate claim 1 , di(ethylene glycol) ...

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04-07-2013 дата публикации

Copolyester blends with improved melt strength

Номер: US20130172456A1
Принадлежит: EI Du Pont de Nemours and Co

Blends comprising 65-95 wt % poly(trimethylene terephthalate-co-sebacate), 5 to 35 wt % polylactic acid and a chain extender are provided that exhibit greatly increased melt strength compared to that of poly(trimethylene terephthalate-co-sebacate) alone. Such improvements allow these compositions to be processed readily by melt-blowing, which is useful for packaging and for preparing items such as biodegradable garbage bags.

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04-07-2013 дата публикации

ANTI-WEAR MATERIAL OF MODIFIED POLYTETRAFLUOROETHYLENE

Номер: US20130172487A1
Принадлежит:

An anti-wear material of modified polytetrafluoroethylene resin is provided, which is prepared by mixing sufficiently a polyphenyl p-hydroxybenzoate polymer used as modifier with polytetrafluoroethylene resin in a certain weight ratio, and then carrying out cold-press sintering or hot-press sintering. The anti-wear material made from the modified polytetrafluoroethylene resin has very low average wear coefficient. 1. An anti-wear material of modified polytetrafluoroethylene resin , characterized in that it is prepared by mixing sufficiently a polyphenyl p-hydroxybenzoate polymer with polytetrafluoroethylene resin , and then carrying out cold-press sintering or hot-press sintering.2. The anti-wear material according to claim 1 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 15-50% by weight claim 1 , and the content of the polytetrafluoroethylene resin is 50-85% by weight.3. The anti-wear material according to claim 2 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 20-45% by weight claim 2 , and the content of the polytetrafluoroethylene resin is 55-80% by weight.4. The anti-wear material according to claim 3 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 25% by weight claim 3 , and the content of the polytetrafluoroethylene resin is 75% by weight. The invention relates to an anti-wear material, in particular, an anti-wear material of modified polytetrafluoroethylene resin.Currently, the anti-wear materials used in China mainly include phenolic resin, fiber glass, molybdenum disulfide and carbon fiber etc. However, the major deficiency of these materials is the severe grinding abrasion.Additionally, polytetrafluoroethylene is often modified in conventional methods by adding inorganic fillers such as fiber glass, graphite and molybdenum disulfide into it; however, due to high abrasion and short life span, these materials are apt to bring abrasion to the grinding mating-parts.The object of the invention is ...

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11-07-2013 дата публикации

POLYMER NANOCOMPOSITE COMPRISING POLYLACTIC ACID REINFORCED WITH THE MODIFIED PHYLLOSILICATE

Номер: US20130177723A1

Polymer nanocomposite having: a) a polylactic polymer; and b) a modified phyllosilicate composition having a modifying agent which includes hexadecyl trimethyl ammonium cations which are intercalated between the layers of the phyllosilicate; and preparation process of such a polymer nanocomposite. The polymer nanocomposite is particularly useful for packaging, particularly food and drink packaging. 1. A polymer nanocomposite comprising:a) a polylactic polymer; andb) a modified phyllosilicate composition comprising a modifying agent including hexadecyl trimethyl ammonium cations which are intercalated between the layers of the phyllosilicate.2. The nanocomposite according to claim 1 , wherein the phyllosilicate composition further comprises acetylcholine cations as a modifying agent.3. The nanocomposite according to claim 1 , wherein the phyllosilicate composition further comprises choline cations as a modifying agent.4. The nanocomposite according to wherein the ratio phyllosilicate composition/polylactic polymer is comprised between 0.5: 99.5 and 20:80 weight/weight ratio.5. The nanocomposite according to wherein the phyllosilicate is selected from the group consisting of sodium montmorillonite claim 1 , magnesium montmorillonite claim 1 , and calcium montmorillonite.6. The nanocomposite according to wherein the phyllosilicate is sodium montmorillonite.7. The nanocomposite according to wherein the amount of acetylcholine is 0.10-1.00 meq/100 g the value of the phyllosilicate CEC and the amount of hexadecyl trimethyl ammonium cation is 0.4-9.9 the value of the phyllosilicate CEC.8. A process for the preparation of the nanocomposite according to claim 1 , which comprises:a) drying the modified phyllosilicate and the polylactic polymer; andb) melt-blending the polymer and the modified phyllosillicate by an extruder.9. The process according to claim 8 , wherein the melt-blending operation is carried out at a temperature between 190° C.-210° C.10. The process according ...

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11-07-2013 дата публикации

STEREOCOMPLEX POLYLACTIC ACID FILM AND RESIN COMPOSITION

Номер: US20130178567A1
Принадлежит: TEIJIN LIMITED

A stereocomplex polylactic acid resin composition containing an amide compound represented by the following general formula (1) and a film composed thereof. A stereocomplex polylactic acid excellent in transparency and a resin composition can be provided. 3. The stereocomplex polylactic acid film according to claim 1 , wherein the crystallinity (C) is 90% or more.4. The stereocomplex polylactic acid film according to claim 1 , wherein the crystallinity (C) is 70% or less.5. The stereocomplex polylactic acid film according to claim 1 , wherein the stereocomplex crystallinity (S) is 90% or more.6. The stereocomplex polylactic acid film according to claim 1 , wherein the haze is 1% or less.7. The stereocomplex polylactic acid film according to claim 1 , wherein the absolute value of the out-of-plane retardation (Rth) is 20 nm or less.8. The stereocomplex polylactic acid film according to claim 1 , wherein the out-of-plane retardation (Rth) is −20nm or less. The present invention relates to a stereocomplex polylactic acid film especially excellent in transparency and a resin composition, more particularly to a stereocomplex polylactic acid film for which low retardation is required.As a transparent polymeric substrate for optical use, for example, for liquid display, touch panel, etc., a cellulosic film such as triacetyl cellulose, a polyester film such as polyethyleneterephthalate film, a polycarbonate film, etc. are known.However, since these resins originate from petroleum which is a finite resource as the starting material, a problem of depletion of the petroleum resource is concerned.In recent years, a polylactic acid polymer is drawing attention as a material with which the above-mentioned problem may be solved. As a fact, there have been a lot of studies and developments on this material. The problem of depletion of resource may be solved by using a polylactic acid polymer, since its starting material is a plant material, such as corn. However, since polylactic ...

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11-07-2013 дата публикации

Copolymers of isoprenol, monoethylenically unsaturated monocarboxylic acids and sulfonic acids, methods for production thereof and use thereof as deposit inhibitors in water-bearing systems

Номер: US20130178574A1
Принадлежит: BASF SE

The invention relates to a copolymer of (a) 5 to 40% by weight of isoprenol, (b) 5 to 93% by weight of at least one monoethylenically unsaturated C 3 to C 8 monocarboxylic acid, an anhydride or salt of same, (c) 2 to 90% by weight of one or more sulfonic acid group-comprising monomers.

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01-08-2013 дата публикации

Synthesis of abietic acid-based macromer for polyester resin process

Номер: US20130196262A1
Принадлежит: Xerox Corp

An improved polycondensation method for bio-based polyesters synthesized from pre-formed macromers and the corresponding compositions, which are useful for producing binder polymers for imaging applications such as emulsion-aggregation (EA) toner.

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08-08-2013 дата публикации

Thickened Polymer

Номер: US20130203866A1
Принадлежит:

The invention relates to a polymer which can be obtained by radical emulsion polymerization of at least one acidic vinyl monomer or salt thereof, at least one non-ionic vinyl monomer, in particular preferably a hydrophobic non-ionic vinyl monomer, at least one monomer containing an unsaturated terminal group and a polyoxyalkyene portion, at least one crosslinking monomer, optionally a protective colloid, and is characterized in that the polymerization is controlled such that the gelling effect occurs at least at times, which is achieved by the monomer addition (dosing time) taking place for 40 minutes, particularly preferably for 30 minutes. 113.-. (canceled)15. The polymer of claim 14 , wherein (B) comprises a hydrophobic nonionic vinyl monomer.16. The polymer of claim 14 , wherein the monomer addition takes place over not more than 30 minutes.17. The polymer of claim 14 , wherein not more than 15% by weight of associative monomers are present.18. The polymer of claim 14 , wherein not more than 0.1% by weight of associative monomers are present.19. The polymer of claim 14 , wherein no associative monomers are present.20. The polymer of claim 14 , wherein (A) comprises one or more monomers selected from vinyl monomers having carboxyl groups and alkali claim 14 , alkaline earth claim 14 , ammonium claim 14 , and alkylammonium salts thereof.21. The polymer of claim 14 , wherein (A) comprises one or more monomers selected from acrylic acid claim 14 , methacrylic acid claim 14 , and alkali claim 14 , alkaline earth claim 14 , ammonium claim 14 , and alkylammonium salts thereof.22. The polymer of claim 14 , wherein (B) comprises one or more monomers selected from C1-C22-alkyl (meth)acrylates.23. The polymer of claim 14 , wherein (C) comprises one or more monomers selected from vinylpolyalkylene glycols and polymerizable surfactants.24. The polymer of claim 23 , wherein (C) comprises one or more monomers selected from R307 claim 23 , RAL307 claim 23 , A11/1800 claim 23 , ...

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08-08-2013 дата публикации

OUTER CASING FOR ELECTRIC DEVICE

Номер: US20130203923A1
Автор: Yamashita Takehiko
Принадлежит: Panasonic Corporation

An outer casing for an electric device is obtained by molding a flame-retarded resin composition including a resin component containing 50% by weight or more of poly(lactic acid) and/or a lactic acid copolymer, of which each is an environmental resin, and silica-magnesia catalyst particles and a polyphosphate salt as flame retardance-imparting components which impart flame retardancy, wherein the combined content of the silica-magnesia catalyst particles and the polyphosphate salt is 10% by weight or less of the total weight of the flame-retarded resin composition. 1. An outer casing for an electric device , which is obtained by molding a flame-retarded resin composition comprising a resin component containing 50% by weight or more of poly(lactic acid) and/or a lactic acid copolymer , and silica-magnesia catalyst particles and a polyphosphate salt as flame retardance-imparting components which impart flame retardancy , wherein the combined content of the silica-magnesia catalyst particles and the polyphosphate salt is 10% by weight or less of the total weight of the flame-retarded resin composition.2. The outer casing for an electric device according to claim 1 , wherein the content of the silica-magnesia catalyst particles is 0.3% or more and 9.70 or less by weight of the total weight of the flame-retarded resin composition.3. The outer casing for an electric device according to claim 1 , wherein the content of the polyphosphate salt is 0.3% or more and 9.7% or less by weight of the total weight of the flame-retarded resin composition.4. The outer casing for an electric device according to claim 1 , wherein the silica-magnesia catalyst particles do not have hydrogen atoms composing crystal water or a hydroxyl group in the molecule.5. A resin molded article claim 1 , which is obtained by molding a flame-retarded resin composition comprising a resin component containing 50% by weight or more of poly(lactic acid) and/or a lactic acid copolymer claim 1 , and silica- ...

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15-08-2013 дата публикации

ACTIVE ENERGY RAY-CURABLE RESIN COMPOSITION, NANO RIDGE/GROOVE STRUCTURE USING SAME AND PRODUCTION METHOD FOR SAID STRUCTURE, AND WATER REPELLENT ARTICLE PROVIDED WITH NANO RIDGE/GROOVE STRUCTURE

Номер: US20130210957A1
Принадлежит: MITSUBISHI RAYON CO., LTD

Disclosed is an activation energy ray-curable resin composition comprising 70 to 95 parts by mass of a multifunctional monomer (A) which has a surface free energy of 37 mJ/mor more when cured and 5 to 30 parts by mass of a fluorine (meth)acrylate (B) which is compatible with the multifunctional monomer (A) (a total content of all monomers in the composition shall be 100 parts by mass), wherein the multifunctional monomer (A) has three or more radical polymerizable functional groups in a molecule and a value of a molecular weight thereof divided by the number of the radical polymerizable functional group (molecular weight/number of radical polymerizable functional group) is 110 to 200, and wherein the fluorine (meth)acrylate (B) has one or more radical polymerizable functional groups in a molecule. 2. The activation energy ray-curable resin composition according to claim 1 , wherein the fluorine (meth)acrylate (B) is a compound havinga fluorine atom-containing site selected from perfluoroalkyl chains and perfluoropolyether chains which have a carbon number of 4 or more,a (meth)acryloyl group that is a radical polymerizable functional group, anda segment which is introduced between the fluorine atom-containing site and the polymerizable functional group for compatibility with the multifunctional monomer (A).3. The activation energy ray-curable resin composition according to claim 2 , wherein the segment introduced for compatibility with the multifunctional monomer (A) comprises any one of an alkylene oxide unit claim 2 , an alkyl unit and an urethane bond.4. The activation energy ray-curable resin composition according to claim 1 , further comprising 20 parts by mass or less of a fluorine (meth)acrylate (C) which is incompatible with the multifunctional monomer (A).5. The activation energy ray-curable resin composition according to claim 4 , wherein the multifunctional monomer (A) claim 4 , the fluorine (meth)acrylate (B) and the fluorine (meth)acrylate (C) are mixed ...

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15-08-2013 дата публикации

Process for the treatment of sulfonyl fluoride polymers

Номер: US20130211026A1
Принадлежит: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

A process for reducing the amount of soluble polymeric fractions in a sulfonyl fluoride polymer. The process comprises contacting the sulfonyl fluoride polymer with a fluorinated fluid followed by separation of the polymer from the fluid. The fluorinated fluid is selected from hydrofluoroethers and hydrofluoropolyethers. The invention further relates to sulfonyl fluoride polymers obtainable by the process and having a heat of fusion not exceeding 4 J/g and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising a sulfonyl functional group exceeding 24 mole %. 1. A process for reducing to less than 15% by weight the amount of polymeric fractions in which the average content of monomeric units comprising at least one sulfonyl fluoride group is greater than 24 mole % in a sulfonyl fluoride polymer having a heat of fusion not exceeding 4 J/g , measured according to ASTM 3418-08 , said process comprising the steps of contacting said polymer with a fluorinated fluid selected from the group consisting of hydrofluoroethers and hydrofluoropolyethers for at least 1 minute; and separating said fluid from said polymer.2. The process according to wherein the fluorinated fluid is a hydrofluoroether.3. The process according to wherein the sulfonyl fluoride polymer is contacted with the fluorinated fluid at a temperature of from −40° C. to no more than 80° C.4. The process according to any wherein the sulfonyl fluoride polymer is in pellet or granular form.5. A sulfonyl fluoride polymer having a heat of fusion not exceeding 4 J/g claim 1 , measured according to ASTM 3418-08 claim 1 , and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising at least one sulfonyl fluoride group greater than 24 mole %.6. The polymer according to containing less than 10% by weight of said polymeric fractions having an average content of said monomeric units comprising at least one said ...

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22-08-2013 дата публикации

SECONDARY AQUEOUS DISPERSIONS OF BIODEGRADABLE DIBLOCK COPOLYESTERS, PROCESSES FOR PREPARATION THEREOF AND USE THEREOF

Номер: US20130214441A1
Принадлежит: PHILLIPS-UNIVERSITÄT MARBURG

The present invention provides aqueous stable suspensions of biodegradable diblock copolyesters and a method for their production. The diblock copolyesters comprise one block of an aliphatic polyester and one block of a polyethylene oxide. 2. The stable secondary aqueous suspension according to claim 1 , wherein Y is a linear claim 1 , branched or cyclic alkyl group and X a linear claim 1 , branched or cyclic alkyl group or a phenyl group.3. The stable secondary aqueous suspension according to claim 1 , wherein the aliphatic ester is an ester of an 1 claim 1 ,ω-alkane dicarboxylic acid selected from the group consisting of malonic acid claim 1 , succinic acid claim 1 , glutaric acid claim 1 , adipic acid claim 1 , pimelic acid claim 1 , suberic acid claim 1 , azelaic acid claim 1 , sebacic acid claim 1 , dodecanoic acid claim 1 , brassylic acid claim 1 , and tetradecanoic acid.4. The stable secondary aqueous suspension according to claim 1 , wherein the aliphatic ester is an ester of an alkanediol selected from the group consisting of 1 claim 1 ,2-propanediol claim 1 , 1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butanediol claim 1 , 1 claim 1 ,5-pentanediol claim 1 , 1 claim 1 ,6-hexanediol claim 1 , 1 claim 1 ,7-heptanediol claim 1 , 1 claim 1 ,8-octanediol claim 1 , 1 claim 1 ,9-nonanediol claim 1 , 1 claim 1 ,10-decanediol claim 1 , 1 claim 1 ,11-undecanediol claim 1 , and 1 claim 1 ,12-dodecanediol.5. The stable secondary aqueous suspension according to claim 1 , wherein the size of the polyethylene glycol block amounts to 500 to 10 claim 1 ,000 dalton.6. The stable secondary aqueous suspension according to claim 1 , wherein polyester and polyethylene glycol blocks are present in a molar ratio of (polyester block:polyethylene glycol block) of 0.5 to 1.5:0.5 to 1.5.7. The stable secondary aqueous suspension according to claim 1 , wherein the solid content is at least 10 wt. % and a maximum of 30 wt. %.8. The stable secondary aqueous suspension according to ...

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22-08-2013 дата публикации

PLA-CONTAINING MATERIAL

Номер: US20130217815A1
Принадлежит: Andersen Corporation

PLA-containing materials, and building components containing such materials, include: polylactic acid (PLA); one or more inorganic pigments; and one or more stabilizers that includes one or more carbodiimide groups. 1. A PLA-containing building component comprising:polylactic acid (PLA);{'sub': '2', 'at least 3 wt-% TiOpigment, based on the total weight of the PLA-containing building component; and'}at least 0.5 wt-% of one or more stabilizers comprising one or more carbodiimide groups, based on the total weight of the PLA-containing building component.2. The PLA-containing building component of wherein the polylactic acid is at least 90 wt-% L-polylactic acid (PLA) claim 1 , based on the total weight of the PLA.3. The PLA-containing building component of wherein the PLA claim 1 , TiOpigment claim 1 , and stabilizer are selected to provide a material that demonstrates no greater than 5ΔE Units (Hunter) of color change over a period of 1 year of South Florida exposure claim 1 , or simulation of 1 year of South Florida exposure through accelerated weathering.4. The PLA-containing building component of wherein the PLA claim 3 , TiOpigment claim 3 , and stabilizer are selected to provide a material that demonstrates at least 30% gloss retention over a period of 1 year of South Florida exposure claim 3 , or simulation of 1 year of South Florida exposure through accelerated weathering.5. The PLA-containing building component of wherein the PLA claim 3 , TiOpigment claim 3 , and stabilizer are selected to provide no less than a chalking rating of 8 or more over a period of 1 year of South Florida exposure claim 3 , or simulation of 1 year of South Florida exposure through accelerated weathering.6. The PLA-containing building component of wherein the PLA claim 3 , TiOpigment claim 3 , and stabilizer are selected to provide a material that demonstrates no greater than 5ΔE Units (Hunter) of color change over a period of 5 years of South Florida exposure claim 3 , or ...

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22-08-2013 дата публикации

COMPOSITION OF POLYMERS DERIVED FROM RENEWABLE RESOURCES

Номер: US20130217818A1
Автор: Coupin Thierry
Принадлежит: Futerro S.A.

The present invention relates to a polymer composition comprising polylactide and, based on the weight of this polymer, from 17 to 25 wt% of a chain modifier, from 30 to 55 wt% of an elastomeric polymer and from 20 to 45 wt% of a plasticizer. The invention also relates to the method of preparing said composition as well as to the method of manufacturing an article starting from said composition and the article per se. 1. Polymer composition comprising:a) polylactide, and based on the weight of this polymer,b) from 17 to 25 wt % of a chain modifier selected from copolymers and terpolymers comprising ethylene or styrene and an unsaturated monomer bearing at least one epoxide or carboxylic acid or carboxylic acid anhydride fraction and optionally a (meth)acrylate fraction,c) from 30 to 55 wt % of an elastomeric polymer selected from biodegradable polyesters, aliphatic copolyesters, aromatic copolyesters and mixtures thereof andd) from 20 to 45 wt % of a plasticizer.2. Composition according to claim 1 , characterized in that the polylactide has a number-average molecular weight between 50 claim 1 ,000 and 250 claim 1 ,000.3. Composition according to claim 1 , characterized in that the chain modifier is selected from copolymers and terpolymers comprising ethylene or styrene and an unsaturated monomer bearing a carboxylic acid anhydride fraction or bearing an epoxide fraction and a (meth)acrylate fraction.4. Composition according to claim 3 , characterized in that the chain modifier is selected from copolymers of ethylene or of styrene and of glycidyl (meth)acrylate or maleic anhydride and terpolymers of ethylene or of styrene claim 3 , of alkyl (meth)acrylate and of glycidyl (meth)acrylate or of maleic anhydride.5. Composition according to claim 4 , characterized in that the chain modifier is selected from the copolymer of ethylene and of glycidyl methacrylate and the terpolymers of ethylene or of styrene claim 4 , of alkyl acrylate and of glycidyl (meth)acrylate or of ...

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22-08-2013 дата публикации

BIODEGRADABLE POLYESTER AND WRAPPING FILMS FOR PACKAGING PRODUCED THEREWITH

Номер: US20130217836A1
Принадлежит: Novamont S.p.A.

This invention relates to a biodegradable polyester which is particularly suitable for use for the manufacture of wrapping films for packaging, comprising units deriving from at least one diacid and at least one diol, characterised by a high static friction coefficient in comparison with conventional biodegradable polyesters. A further object of this invention is a wrapping film comprising the said biodegradable polyester. 1. Biodegradable polyester suitable for use for the manufacture of wrapping films , comprising units deriving from at least one diacid and at least one diol and having:Mn≧40000Mw/q≦90000,wherein“q”=weight percentage of polyester oligomers having molecular weight by GPC≦10000,a film of said polyester having a static friction coefficient of more than 10.2. Biodegradable polyester according to in which the polyester is selected from biodegradable aliphatic and aliphatic-aromatic polyesters.3. Biodegradable polyester according to claim 2 , in which the said aliphatic polyesters comprise at least one aliphatic diacid and at least one aliphatic diol.4. Biodegradable polyester according to claim 2 , in which the said aliphatic-aromatic polyesters have an aromatic part comprising at least one multifunctional aromatic acid and an aliphatic part comprising at least one aliphatic diacid and at least one aliphatic diol.5. Biodegradable polyester according to claim 4 , in which the multifunctional aromatic acids are aromatic dicarboxyl compounds of the phthalic acid type and heterocyclic dicarboxylic aromatic compounds of renewable origin and their esters claim 4 , and mixtures thereof.6. Biodegradable polyester according to claim 5 , in which the content of multifunctional aromatic acids is between 30-70% in moles with respect to the total content of dicarboxylic acids in moles.7. Biodegradable polyester according to claim 3 , in which the aliphatic diacids are aliphatic dicarboxylic acids having a number of between 2 and 22 carbon atoms in the main chain and ...

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22-08-2013 дата публикации

CONTINUOUS FLOW POLYMERISATION PROCESS

Номер: US20130217841A1

The present invention relates to a process for continuously preparing polymer by RAFT solution polymerisation, the process comprising: introducing into a flow reactor a reaction solution comprising one or more ethylenically unsaturated monomers, RAFT agent, non-reactive solvent and free radical initiator; and promoting RAFT polymerisation of the one or more ethylenically unsaturated monomers within the reactor so as to form a polymer solution that flows out of the reactor. 1. A process for continuously preparing polymer by RAFT solution polymerisation , the process comprising:introducing into a flow reactor a reaction solution comprising one or more ethylenically unsaturated monomers, RAFT agent, non-reactive solvent and free radical initiator; andpromoting RAFT polymerisation of the one or more ethylenically unsaturated monomers within the reactor so as to form a polymer solution that flows out of the reactor.2. The process according to claim 1 , wherein the flow reactor is in the form of a tubular flow reactor.3. The process according to claim 2 , wherein the flow reactor is in the form of a capillary tubular flow reactor.4. The process according to claim 1 , wherein the flow reactor comprises one or more flow lines through which the reaction solution passes claim 1 , the one or more flow lines having an internal diameter of about 1 mm.5. The process according to claim 1 , wherein the flow reactor comprises multiple flow lines through which the reaction solution passes claim 1 , each flow line having an internal diameter of about 1 mm.6. The process according to claim 1 , wherein the flow reactor comprises one or more flow lines through which the reaction solution passes claim 1 , the one or more flow lines being made of metal.7. The process according to which further comprises introducing the resulting polymer solution into a flow reactor or a region of a flow rector claim 1 , together with a reaction solution comprising one or more ethylenically unsaturated ...

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22-08-2013 дата публикации

COMPOSITION FOR FORMING LIQUID IMMERSION UPPER LAYER FILM, AND POLYMER

Номер: US20130217850A1
Принадлежит: JSR Corporation

An immersion upper layer film-forming composition includes [A] a polymer component that includes a polymer (A1), and [B] a solvent, the polymer (A1) including a structural unit (I) that includes a group represented by the following formula (i). The structural unit (I) is preferably a structural unit (I-1) represented by the following formula (1). The polymer component [A] preferably further includes a structural unit (II-1) represented by the following formula (2), the structural unit (II-1) being included in the polymer (A1) or a polymer other than the polymer (A1). The polymer component [A] preferably further includes a structural unit (III) that includes a carboxyl group, the structural unit (III) being included in the polymer (A1) or a polymer other than the polymer (A1). 4. The immersion upper layer film-forming composition according to claim 1 , wherein the polymer component [A] further comprises a structural unit (III) that includes a carboxyl group claim 1 , the structural unit (III) being included in the polymer (A1) or a polymer other than the polymer (A1).5. The immersion upper layer film-forming composition according to claim 1 , wherein the polymer component [A] further comprises a structural unit (IV) that includes a sulfo group claim 1 , the structural unit (IV) being included in the polymer (A1) or a polymer other than the polymer (A1).6. The immersion upper layer film-forming composition according to claim 1 , wherein the solvent [B] comprises an ether solvent.7. The immersion upper layer film-forming composition according to claim 1 , wherein Rin the group represented by the formula (i) is a halogen atom claim 1 , a nitro group claim 1 , an alkyl group claim 1 , a monovalent alicyclic hydrocarbon group claim 1 , an alkoxy group claim 1 , an acyl group claim 1 , an aralkyl group claim 1 , an aryl group claim 1 , or a group obtained by substituting a group among these groups with a substituent.8. The immersion upper layer film-forming composition ...

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29-08-2013 дата публикации

PROCESS FOR LATEX PRODUCTION BY MELT EMULSIFICATION

Номер: US20130225761A1
Автор: Whitehouse Robert S.
Принадлежит: Metabolix, Inc

A method for producing an aqueous PHA emulsion or latex comprising predominantly amorphous PHA polymers or copolymers with polymer dispersants or surfactants is described. 1. A method for producing an aqueous polyhydroxyalkanoate (PHA) emulsion from a biobased , biodegradable PHA polymer , copolymer or blends thereof , comprising the steps of:melting the PHA polymer, copolymer or blends thereof;lowering the temperature of the PHA polymer to about 20° C. to about 50° C. below the PHA polymer with the highest Tm;combining the PHA polymer, copolymer or blends thereof and an aqueous colloid stabilizer solution under high distributive mixing thereby forming a water-in-PHA emulsion;lowering the temperature by about 20° C. to about 50° C. of the water-in-PHA emulsion; andadding water and optionally one or more polymeric dispersants or surfactants producing an aqueous PHA emulsion.2. The method of claim 1 , wherein the aqueous PHA emulsion comprises a 3-hydroxybutyrate polymer claim 1 , copolymer or blends thereof.3. The method of or claim 1 , wherein the aqueous PHA emulsion comprises 4-hydroxybutyrate polymer claim 1 , copolymer or blends thereof.4. The method of claim 1 , wherein the aqueous PHA emulsion comprises a 3-hydroxybutyrate-co-4-hydroxybutyrate copolymer.5. The method of claim 1 , wherein the aqueous PHA emulsion comprises a poly(3-hydroxybutyrate) homopolymer claim 1 , a poly(3-hydroxybutyrate-co-4-hydroxybutyrate) claim 1 , a poly(3-hydroxybutyrate-co-3-hydroxyvalerate) claim 1 , a poly(3-hydroxybutyrate-co-5-hydroxyvalerate) claim 1 , or a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) or blends thereof.6. The method of claim 1 , wherein the aqueous PHA emulsion comprises a poly(3-hydroxybutyrate) homopolymer claim 1 , a poly(3-hydroxybutyrate-co-4-hydroxybutyrate) with 5% to 15% 4-hydroxybutyrate content claim 1 , a poly(3-hydroxybutyrate-co-3-hydroxyvalerate) with 5% to 22% 3-hydroxyvalerate content claim 1 , a poly(3-hydroxybutyrate-co-5-hydroxyvalerate) ...

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05-09-2013 дата публикации

RESIST UNDERLAYER FILM FORMING COMPOSITION, AND METHOD FOR FORMING RESIST PATTERN USING THE SAME

Номер: US20130230809A1
Принадлежит: NISSAN CHEMICAL INDUSTRIES, LTD.

There is provided a composition for forming a resist underlayer film that has a high selectivity of dry etching rate even though the composition contains an aromatic ring such as a benzene ring, and that is useful in lowering LER that presents a large problem in EUV (wavelength 13.5 nm) lithography. Moreover, another object is to obtain a composition for forming a resist underlayer film that provides a resist pattern having a desired shape on the resist underlayer film. A resist underlayer film forming composition for lithography which includes a polymer and a solvent, wherein in the polymer, diphenyl sulfone or a derivative thereof is introduced in the main chain of the polymer through an ether bond. 2. (canceled)11. The resist underlayer film forming composition for lithography according to claim 1 , further comprising a cross-linkable compound.12. The resist underlayer film forming composition for lithography according to claim 11 , further comprising a compound for accelerating a cross-linking reaction.13. The resist underlayer film forming composition for lithography according to claim 11 , wherein the cross-linkable compound is a nitrogen-containing compound having 2 to 4 nitrogen atoms that are substituted with a methylol group or an alkoxymethyl group.14. The resist underlayer film forming composition for lithography according to claim 12 , wherein the compound for accelerating the cross-linking reaction is at least one selected from a sulfonic acid compound and a thermal acid generator.15. A method for forming a resist pattern for producing a semiconductor device claim 12 , the method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'applying the resist underlayer film forming composition for lithography according to onto a semiconductor substrate and baking the obtained substance to form a resist underlayer film;'}forming a resist film on the resist underlayer film;exposing the semiconductor substrate coated with the resist underlayer and the ...

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05-09-2013 дата публикации

WHOLLY AROMATIC LIQUID CRYSTALLINE POLYESTER RESIN COMPOUND HAVING IMPROVED FLUIDITY

Номер: US20130231434A1
Принадлежит: SAMSUNG FINE CHEMICALS CO., LTD.

Provided is a wholly aromatic liquid crystalline polyester resin compound. The wholly aromatic liquid crystalline polyester resin compound includes a wholly aromatic liquid crystalline polyester resin having a high melting point and mica having a predetermined size. 1. A wholly aromatic liquid crystalline polyester resin compound , the compound comprising 100 parts by weight of a wholly aromatic liquid crystalline polyester resin having a melting point of about 300° C. to about 450° C.; andabout 5 parts by weight to about 20 parts by weight of mica having an average particle diameter of about 20 μm to about 50 μm.2. The wholly aromatic liquid crystalline polyester resin compound of claim 1 , wherein the wholly aromatic liquid crystalline polyester resin compound further comprising an inorganic filler other than the mica.3. The wholly aromatic liquid crystalline polyester resin compound of claim 2 , wherein the inorganic filler is at least one selected from the group consisting of glass fiber claim 2 , talc claim 2 , calcium carbonate claim 2 , and clay.4. The wholly aromatic liquid crystalline polyester resin compound of claim 2 , wherein an amount of the inorganic filler is about 5 parts by weight to about 90 parts by weight based on 100 parts by weight of the wholly aromatic liquid crystalline polyester resin. The present disclosure relates to a wholly aromatic liquid polyester resin compound, and more particularly, to a wholly aromatic liquid crystalline polyester resin compound including a wholly aromatic liquid crystalline polyester resin having a high melting point and mica having a predetermined size.A wholly aromatic liquid crystalline polyester resin has excellent heat resistance, dimensional stability, and high fluidity when melted and thus, is widely used as a material for precision injection molding, particularly in the field of electronic parts. In particular, due to high dimensional stability and high electrical insulating characteristics, the use of ...

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12-09-2013 дата публикации

POLYLACTIC ACID-BASED FILM OR SHEET

Номер: US20130236723A1
Принадлежит: NITTO DENKO CORPORATION

Disclosed is a polylactic acid-based film or sheet as a resin film or sheet including a polylactic acid (A). The film or sheet has a melt endotherm ΔHc′ of J/g or more, where ΔHc′ is of a region crystallized upon film formation and specified by following Expression (): 1. A polylactic acid-based film or sheet as a resin film or sheet comprising a polylactic acid (A) , wherein the polylactic acid-based film or sheet has a melt endotherm ΔHc′ of 10 J/g or more , where the melt endotherm ΔHc′ is of a region crystallized upon film formation and specified by Expression (1) expressed as follows:{'br': None, 'i': 'Hc′=ΔHm−ΔHc', 'Δ\u2003\u2003(1)'}wherein ΔHc represents an exotherm (J/g) associated with crystallization of the film or sheet in a temperature rise process after film formation; and ΔHm represents an endotherm (J/g) associated with subsequent melting of the film or sheet, where ΔHc and ΔHm are determined by DSC; andthe polylactic acid-based film or sheet has a tear strength of 2.5 N/mm or more both in a machine direction (MD) and in a transverse direction (TD), the tear strength determined according to “Paper-Determination of tearing resistance-Elmendorf tearing tester method” specified in JIS P 8116.2. The polylactic acid-based film or sheet of claim 1 , further comprising a fluoropolymer (B) in an amount of 0.5 to 15 parts by weight per 100 parts by weight of the polylactic acid (A).3. The polylactic acid-based film or sheet of claim 2 , wherein the fluoropolymer (B) is a tetrafluoroethylene polymer.4. The polylactic acid-based film or sheet of claim 1 , further comprising a crystallization promoter (C) in an amount of 0.1 to 15 parts by weight per 100 parts by weight of the polylactic acid (A).5. The polylactic acid-based film or sheet of claim 1 , further comprising an acidic-functional-group-modified olefinic polymer (D) in an amount of 0.1 to 10 parts by weight per 100 parts by weight of the polylactic acid (A) claim 1 , the acidic-functional-group- ...

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19-09-2013 дата публикации

CONSTRUCT FOR PROMOTING ABSORPTION OF MOLECULES BY A CELL AND METHODS OF USING THE CONSTRUCT

Номер: US20130244889A1

The present invention is directed to a construct for promoting absorption of molecules by a cell and the application thereof in drug and gene delivery. The present invention further describes topographical modulation of endocytosis for drug and gene delivery. 1. A construct for promoting absorption of molecules by a cell located at the surface of the construct; wherein the construct comprises:a plurality of micro and/or nanoscale protrusions located at the surface of the construct;wherein the protrusions have a size and are spaced apart from each other at a distance that promotes absorption of molecules by said cell.2. The construct of claim 1 , wherein the absorption of molecules is facilitated by endocytosis claim 1 , or receptor mediated endocytosis claim 1 , or pinocytosis claim 1 , or phagocytosis.3. The construct of claim 1 , wherein the protrusions are arranged in an isotropic or anisotropic pattern.4. The construct of claim 1 , wherein the protrusions are located at the surface of the construct in a detachable or non-detachable form.5. The construct of claim 1 , wherein the protrusions are in form of micropillars or nanopillars or a grating.6. The construct of claim 1 , wherein the protrusions are round or polygonal.7. The construct of claim 5 , wherein the pillars have a diameter or maximal width of between about 10 nm to about 5 μm or between about 50 nm to 4 μm claim 5 , or between about 200 nm to about 2 μm.8. The construct of claim 5 , wherein the gratings have a width of between about 10 nm to about 2 μm claim 5 , or between about 100 nm to about 1.5 μm.9. The construct of claim 5 , wherein the pillars are extending substantially perpendicular from the surface of the construct or wherein the pillars are collapsed pillars lying at the surface of the construct; wherein in case the pillars are collapsed pillars they have a length of between about 50 nm to about 5 μm.10. The construct of any one of claim 5 , wherein the pillars or lines of the grating are ...

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26-09-2013 дата публикации

ACID ETCH RESISTANCE FOR CALCAREOUS SUBSTRATES

Номер: US20130251908A1
Принадлежит: E I DU PONT DE NEMOURS AND COMPANY

A method to provide acid etch resistance to contacting a calcareous substrate with a copolymer prepared from fluorinated methacrylate, short chain branched (meth)acrylate, and (meth)acrylic acid salt and a treated substrate. 2. A method of claim 1 , wherein the copolymer of Formula I is in the form of a dispersion.3. A method of claim 2 , wherein the dispersion further comprises at least one surfactant.4. A method of claim 2 , wherein the dispersion further comprises at least one sealer.5. A method of claim 2 , wherein the dispersion further comprises at least one surfactant and at least one sealer.6. A method of further comprising curing the copolymer of Formula I on the substrate.7. A method of claim 1 , wherein the curing occurs from about 20° C. to from about 150° C. for a time from about 2 minutes to from about 14 days.8. A method of claim 7 , wherein the curing occurs at about 20° C. for about 14 days.9. A method of claim 7 , wherein the curing occurs at about 150° C. for about 2 minutes.10. A method of claim 1 , wherein Ris Cto Cfluoroalkyl and Q is —CHCH—.11. A method of claim 1 , wherein Ris isopropyl(meth)acrylate.12. A method of claim 1 , wherein Ris tert-butyl(meth)acrylate.13. A method of claim 1 , wherein M is NH.14. A method of wherein the contacting is by brushing claim 1 , spraying claim 1 , rollering claim 1 , dipping claim 1 , padding claim 1 , doctor blade claim 1 , wipe claim 1 , dip techniques claim 1 , or wet-on-wet procedure.15. A method of wherein the substrate contains calcium.16. A method of wherein the substrate is white marble claim 15 , black marble claim 15 , limestone claim 15 , or travertine.17. A substrate treated with a method of claim 1 , which is white marble claim 1 , black marble claim 1 , limestone claim 1 , or travertine.18. A substrate treated with a method of .19. A substrate treated with a method of .20. A substrate treated with a method of . This invention relates to a method of imparting acid etch resistance to ...

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26-09-2013 дата публикации

POLYESTER RESIN COMPOSITION AND MOLDED BODY OF SAME

Номер: US20130253145A1
Принадлежит: ADEKA CORPORATION

The present invention provides a polyester resin composition having improved physical properties and a molded body thereof. 2. The polyester resin composition according to claim 1 , wherein the content of said group represented by said Formula (1) is 0.001 to 1 part by mass with respect to a total of 100 parts by mass of said (A) polyester resin and said (B1) terminal-modified polyethylene terephthalate claim 1 , excluding said group represented by said Formula (1).4. The polyester resin composition according to claim 3 , wherein the content of said group represented by said Formula (1) is 0.001 to 5 parts by mass with respect to a total of 100 parts by mass of said (A) polyester resin and said (B2) terminal-modified polybutylene terephthalate claim 3 , excluding said group represented by said Formula (1).5. The polyester resin composition according to according to claim 1 , wherein said (A) polyester resin is at least one polyester resin selected from the group consisting of polyethylene terephthalate claim 1 , polybutylene terephthalate claim 1 , polytrimethylene terephthalate claim 1 , polyethylene naphthalate and polybutylene naphthalate.6. The polyester resin composition according to claim 1 , wherein said metal carboxylate is sodium carboxylate.7. A molded body claim 1 , which is characterized by being obtained by molding the polyester resin composition according to .8. A sheet claim 1 , which is obtained by molding the polyester resin composition according to claim 1 , said sheet not being subjected to an annealing treatment.9. The polyester resin composition according to according to claim 3 , wherein said (A) polyester resin is at least one polyester resin selected from the group consisting of polyethylene terephthalate claim 3 , polybutylene terephthalate claim 3 , polytrimethylene terephthalate claim 3 , polyethylene naphthalate and polybutylene naphthalate.10. The polyester resin composition according to claim 3 , wherein said metal carboxylate is sodium ...

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26-09-2013 дата публикации

SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME

Номер: US20130253149A1
Принадлежит:

In one aspect, a process for the preparation of a superabsorbent polymer is described herein. In some embodiments, the process comprises (I) preparing acrylic acid, wherein the process comprises (a1) provision of a fluid F1 having a composition comprising from about 5 to about 20 wt. % of hydroxypropionic acid, salts thereof, or mixtures thereof; from about 0.1 to about 5 wt. % of inorganic salts; from about 0.1 to about 30 wt. % of organic compounds which differ from hydroxypropionic acid; from 0 to about 50 wt. % of solids; and from about 20 to about 90 wt. % of water; (a2) dehydration of said hydroxypropionic acid to give a fluid F2 containing acrylic acid; and (a3) purification of said fluid F2 to give a purified acrylic acid phase comprising acrylic acid having a purity of at least 70 wt. %; and (II) polymerizing the acrylic acid of (I) to form a superabsorbent polymer. 114-. (canceled)17. The superabsorbent polymer of claim 16 , wherein said pressure π2 is lower than said pressure π1.18. The superabsorbent polymer of claim 15 , wherein said crystallization is selected from the group consisting of a suspension crystallization or a layer crystallization.19. The superabsorbent polymer of further comprising cooling said fluid F1 to a maximum to the temperature of the triple eutectic point of a composition of acrylic acid claim 15 , water and 2-hydroxypropionic acid.20. The superabsorbent polymer of wherein process step (a3) comprises obtaining a first crystal phase;wherein said first crystal phase comprises:i) at least about 5 wt. % of acrylic acid,ii) at least about 40 wt. % of water, andiii) at most about 10 wt. % of 2-hydroxypropionic acid.21. The superabsorbent polymer of wherein the purification is carried out by an at least two-stage crystallization.22. The superabsorbent polymer of wherein process step (a3) comprises the following process steps: i) from about 5 to about 60 wt. % of acrylic acid,', 'ii) from 39.9 to about 95 wt. % of water, and', 'iii) from ...

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03-10-2013 дата публикации

POLAR SOLUBLE OXYGEN SCAVENGING COMPOSITIONS AND ARTICLES THEREOF

Номер: US20130256323A1
Принадлежит: CHEMTEX ITALIA, S.P.A.

This specification discloses a composition of a melt blend comprising a continuos polyester phase, a cobalt of manganese compound and a first scavenging compound wherein the first scavenging compound comprises at least one allylic group and at least one polar moiety and at least some of the first scavenging compound or the oligomer or the polymer comprising the first scavenging compound is not present in the continuous polyester phase. The partial insolubility is essential for oxygen scavenging and the solubility is essential for reducing haze. The composition is useful in preforms, container walls, and films for packaging. 1. A composition comprisinga melt blend comprising a continuous polyester phase selected from the group consisting of polyethylene terephthalate, copolymers of polyethylene terephthalate and poly lactic acid, a salt selected from the group consisting of cobalt and manganese compounds, and a first scavenging compound or an oligomer or a polymer or mixtures thereof comprising the first scavenging compound wherein the first scavenging compound comprises at least one allylic group and at least one polar moiety and at least some of the first scavenging compound or the oligomer or the polymer comprising the first scavenging compound is not present in the continuous polyester phase.2. The composition of claim 1 , wherein the composition further comprises a second scavenging compound or an oligomer or a polymer and mixtures thereof comprising the second scavenging compound and the second scavenging compound or the oligomer or the polymer and mixtures thereof comprises at least one double allylic group and at least one polar moiety.5. The composition of claim 1 , where the first scavenger compound is not an antimony reducing scavenger.6. The composition of claim 2 , wherein the ratio of moles of the second scavenger compound to moles of the first scavenger compound is greater than 1:20.7. The composition of claim 2 , wherein the ratio of moles of the ...

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24-10-2013 дата публикации

Cleaning Method

Номер: US20130276242A1
Принадлежит: Xeros LTD

The invention provides a method for the cleaning of a soiled substrate, the method comprising treating the substrate with a solid particulate cleaning material and wash water, the treatment being carried out in an apparatus comprising a drum comprising perforated side walls and having a capacity of between 5 and 50 litres for each kg of fabric in the washload, wherein said solid particulate cleaning material comprises a multiplicity of polymeric particles at a particle to fabric addition level of 0.1:1-10:1 by mass, each particle being substantially cylindrical or spherical in shape and having an average density in the range of 0.5-2.5 g/cm 3 and an average volume in the range of 5-275 mm 3 , and wherein said drum comprising perforated side walls is rotated at a speed which generates G forces in the range of from 0.05 to 900 G. The polymeric particles may comprise foamed or unfoamed polymeric materials which may comprise either linear or crosslinked polymers. Preferably, at least one detergent is employed in the cleaning process. The invention provides optimum cleaning performance as a result of improved mechanical interaction between substrate and cleaning media and is preferably used for the cleaning of textile fabrics. The method allows for significant reductions in the consumption of detergents, water and energy when compared with the conventional wet cleaning of textile fabrics, and also facilitates reduced washing-related textile fabric damage. The invention also envisages a cleaning composition comprising a solid particulate cleaning composition and at least one additional cleaning agent. In particular embodiments of the invention, the solid particulate cleaning material is separated and recovered and then re-used in subsequent cleaning processes. Typically, the solid particulate cleaning material is itself cleaned intermittently in order to maintain its efficacy.

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24-10-2013 дата публикации

Superhydrophobic and Oleophobic Functional Coatings Comprised of Grafted Crystalline Polymers Comprising Perfluoroalkyl Moieties

Номер: US20130280485A1
Принадлежит: Massachusetts Institute of Technology

Described herein are methods of preparing superhydrophobic and oleophobic surfaces by grafting poly(perfluoroalkyl acrylate) chains on silicon substrates with initiated chemical vapor deposition. The grafting enhances the formation of the crystalline phase. The crystalline structures reduce the polymer chain mobility, resulting in nonwetting surfaces with respect to both water and mineral oil. 1. A composition , wherein the composition comprises a substrate and a coating material , wherein the coating material comprises a polymer; and the polymer comprises a plurality of pendant perfluorinated alkyl moieties.2. The composition of claim 1 , wherein the polymer comprises poly(1H claim 1 ,1H claim 1 ,2H claim 1 ,2H-perfluorodecyl acrylate).3. The composition of claim 1 , wherein the thickness of the coating material is from about 10 nm to about 1500 nm.4. The composition of claim 1 , wherein the coating material is covalently bonded to the substrate.5. The composition of claim 1 , wherein the substrate is homogeneous.6. The composition of claim 1 , wherein the substrate is heterogeneous.7. The composition of claim 1 , wherein the substrate is planar or non-planar.8. The composition of claim 1 , wherein the substrate is plastic claim 1 , silicon claim 1 , quartz claim 1 , woven or non-woven fabric claim 1 , paper claim 1 , ceramic claim 1 , nylon claim 1 , carbon claim 1 , polyester claim 1 , polyurethane claim 1 , polyanhydride claim 1 , polyorthoester claim 1 , polyacrylonitrile claim 1 , polyphenazine claim 1 , polyisoprene claim 1 , synthetic rubber claim 1 , polytetrafluoroethylene claim 1 , polyethylene terephthalate claim 1 , acrylate polymer claim 1 , chlorinated rubber claim 1 , fluoropolymer claim 1 , polyamide resin claim 1 , vinyl resin claim 1 , expanded polytetrafluoroethylene claim 1 , low density polyethylene claim 1 , high density polyethylene claim 1 , or polypropylene.9. The composition of claim 1 , wherein the advancing water contact angle is greater ...

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24-10-2013 дата публикации

POLYESTER COMPOSITION

Номер: US20130281560A1
Принадлежит: Novamont S.p.A.

This invention relates to a polymer composition comprising at least two polyesters having improved mechanical properties, in particular a good balance between ultimate tensile strength, elastic modulus and elongation on failure. This composition is particularly suitable for the production of manufactured articles such as for example films, moulded objects, thermoformed objects or expanded articles. 1. Polymeric composition characterized by comprising from 1 to 99% by weight of at least one aromatic polyester (AP) substantially comprising repeating units deriving from at least one heterocyclic polyfunctional aromatic acid of renewable origin and from 99 to 1% by weight of at least a second aliphatic-aromatic polyester (AAPE).2. Polymeric composition according to claim 1 , wherein said aromatic polyester substantially comprising repeating units deriving from at least one heterocyclic polyfunctional aromatic acid of renewable origin is of the diacid-diol type.3. Polymeric composition according to claim 2 , wherein said heterocyclic polyfunctional aromatic acid of renewable origin is 2 claim 2 ,5-furandicarboxylic acid.4. Polymeric composition according to claim 2 , wherein said diol is selected from 1 claim 2 ,2-ethanediol claim 2 , 1 claim 2 ,2-propanediol claim 2 , 1 claim 2 ,3-propanediol claim 2 , 1 claim 2 ,4-butanediol claim 2 , 1 claim 2 ,5-pentanediol claim 2 , 1 claim 2 ,6-hexanediol claim 2 , 1 claim 2 ,7-heptanediol claim 2 , 1 claim 2 ,8-octanediol claim 2 , 1 claim 2 ,9-nonanediol claim 2 , 1 claim 2 ,10-decanediol claim 2 , 1 claim 2 ,11-undecanediol claim 2 , 1 claim 2 ,12-dodecanediol claim 2 , 1 claim 2 ,13-tridecanediol claim 2 , 1 claim 2 ,4-cyclohexanedimethanol claim 2 , propylene glycol claim 2 , neo-pentylglycol claim 2 , 2-methyl-1 claim 2 ,3-propanediol claim 2 , dianhydro-sorbitol claim 2 , dianhydro-mannitol claim 2 , dianhydro-iditol claim 2 , cyclohexanediol claim 2 , cyclohexanemethanediol claim 2 , and mixtures thereof.5. Polymeric ...

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24-10-2013 дата публикации

FLAME RETARDANT RESIN COMPOSITION AND MOLDED ARTICLE THEREOF

Номер: US20130281585A1
Автор: Yamanaka Katsuhiro
Принадлежит:

A flame retardant resin composition which is obtained by using a plant-derived raw material and excellent in flame retardancy, heat resistance and impact resistance, and a molded article thereof. 2. The flame retardant resin composition according to claim 1 , wherein the polylactic acid (component A-1) is stereocomplex polylactic acid which contains poly(L-lactic acid) (component α-1) comprising not less than 90 mol % of an L-lactic acid unit and poly(D-lactic acid) (component β-1) comprising not less than 90 mol % of a D-lactic acid unit claim 1 , and the weight ratio of the component α-1 to the component β-1 is 10:90 to 90:10.3. The flame retardant resin composition according to claim 1 , wherein the component A-1 has a proportion of melting peaks at 195° C. or higher of not less than 80% of the total of all the melting peaks in the temperature elevation step in differential scanning calorimeter measurement.4. The flame retardant resin composition according to which comprises at least one resin (component A-2) selected from the group consisting of polyester resin (PEst) except for the component A-1 claim 1 , polyphenylene ether resin (PPE) claim 1 , polycarbonate resin (PC) claim 1 , polyamide resin (PA) claim 1 , polyolefin resin (PO) claim 1 , styrene-based resin claim 1 , polyphenylene sulfide resin (PPS) and polyether imide resin (PEI) as the resin component (component A).14. The flame retardant resin composition according to claim 1 , wherein the impact resistance modifier (component D) contains at least 50 wt % of a hydrogenated styrene-based thermoplastic elastomer.15. The flame retardant resin composition according to claim 1 , wherein the impact resistance modifier (component D) contains at least 50 wt % of at least one hydrogenated styrene-based thermoplastic elastomer selected from styrene-ethylene-butylene-styrene terpolymer (SEBS) claim 1 , styrene-ethylene-propylene-styrene terpolymer (SEPS) and styrene-ethylene-propylene-styrene terpolymer (SEEPS). ...

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24-10-2013 дата публикации

METHODS FOR PRODUCING ACRYLIC ACID AND/OR ESTER THEREOF AND POLYMER OF THE ACRYLIC ACID AND/OR ESTER THEREOF

Номер: US20130281649A1
Принадлежит:

The present invention aims to provide a method for stably producing highly pure acrylic acid and/or an ester thereof for a long time, in which a blockage in an evaporator or reactor and lowering of the catalytic activity are suppressed. The present invention also aims to provide a method for producing a hydrophilic resin with excellent performance and high safety using acrylic acid and/or an ester thereof containing fewer impurities as a raw material. 1. A method for producing acrylic acid and/or an ester thereof from a raw material composition containing hydroxypropionic acid and/or an ester thereof , the method comprising the steps of:(a) evaporating the raw material composition; and(b) dehydrating the evaporated raw material composition by contact with a dehydration catalyst,wherein the total amount of hydroxypropionic acid and/or an ester thereof supplied in the step (b) is controlled to be 70% by mass or more based on 100% by mass of the total amount of hydroxypropionic acid and/or an ester thereof supplied in the step (a).2. The production method according to claim 1 ,wherein at least part or all of the hydroxypropionic acid in the raw material composition is hydroxypropionic acid obtainable by fermentation.3. The production method according to claim 1 ,wherein an inorganic compound in the raw material composition is 1% by mass or less based on 100% by mass of the total amount of the hydroxypropionic acid and/or an ester thereof.4. The production method according to claim 1 ,wherein the total amount of water and/or an inert gas supplied in the step (a) is 0.5 times by mole or more of the total amount of the hydroxypropionic acid and/or an ester thereof in the raw material composition.5. The production method according to claim 1 ,wherein the hydroxypropionic acid is 3-hydroxypropionic acid.6. The production method according to claim 1 ,wherein a carbonaceous substance formed on the dehydration catalyst in the step (b) is removed by contact with an oxidant.7. ...

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31-10-2013 дата публикации

Monovinylaromatic Polymer Composition Comprising a Polymer Made From Renewable Resources as a Dispersed Phase

Номер: US20130289208A1
Автор: Duc Michel
Принадлежит: TOTAL PETROCHEMICALS FRANCE

A monovinylaromatic polymer composition can include a bio-sourced polymer dispersed phase and optionally a rubber dispersed phase. The bio-sourced polymer dispersed phase can be predominantly made of particles having a size of less than 10 μm. The monovinylaromatic polymer composition can be made by admixing a monovinylaromatic monomer, bio-sourced polymer, and optionally rubber at conditions effective to polymerize at least a part of the monovinylaromatic monomer and generate a compatibilizer. The monovinylaromatic polymer composition can be made by admixing a monovinylaromatic monomer, functionalized bio-sourced polymer(s) or mixtures of bio-sourced polymer(s) and functionalized bio-sourced polymer(s), and optionally rubber at conditions effective to polymerize at least a part of the monovinylaromatic monomer. The monovinylaromatic polymer composition can be made by blending, in the molten state, functionalized bio-sourced polymer(s) or mixtures of bio-sourced polymer(s) and functionalized bio-sourced polymer(s) with monovinylaromatic polymer, and optionally rubber. 116-. (canceled)17. A process for the production of a polymer composition comprising: admixing a monovinylaromatic monomer; and at least one bio-sourced polymer; under conditions effective to polymerize at least a part of the monovinylaromatic monomer and generate a compatibilizer of the bio-sourced polymer and monovinylaromatic polymer; wherein the polymer composition comprises a bio-sourced polymer dispersed phase.18. The process of claim 17 , further comprising admixing rubber to the monovinylaromatic monomer and at least one bio-sourced polymer claim 17 , wherein the polymer composition comprises a rubber dispersed phase.19. The process of claim 17 , wherein the bio-sourced polymer dispersed phase is predominantly made of particles having a size of less than 10 μm.21. The process of claim 17 , wherein the monovinylaromatic polymer is a continuous phase.23. The process of claim 22 , wherein the bio- ...

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07-11-2013 дата публикации

ROUTES TO POLYACRYLATES

Номер: US20130296454A1
Принадлежит:

A polyacrylate is obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of a polymeric photoinitiator. The polymeric photoinitiator is a co-polymer of at least one photoinitiator monomer (A) with at least one monomer (B), and optional additional monomers (C). Rapid polymerization of the acrylate monomer is provided. A method produces a polyacrylate using the polymeric photoinitiator as described, and a polymeric photoinitiator is used as the photoinitiator of radical polymerization of acrylate monomers. 2. A polyacrylate according to claim 1 , wherein Wand Ware independently selected from alcohol claim 1 , primary amine claim 1 , secondary amine or thiol groups claim 1 , preferably alcohol groups.3. A polyacrylate according to claim 1 , wherein Wand Ware the same functional groups.4. A polyacrylate according to claim 1 , wherein Xand Xare independently selected from optionally substituted C-Calkylene claim 1 , —O— claim 1 , —S— claim 1 , —NR— claim 1 , wherein Ris H or optionally substituted C-Calkyl claim 1 , and combinations thereof.5. A polyacrylate according to claim 1 , wherein Xand Xmay be linked to one another to form one or more ring structures.6. A polyacrylate according to claim 1 , wherein Xand Xare independently selected from optionally substituted C-Calkylene claim 1 , preferably optionally substituted C-Calkylene.7. A polyacrylate according to claim 1 , wherein Xand Xare the same.8. A polyacrylate according to claim 1 , wherein Z is selected from a single bond claim 1 , optionally substituted C-Calkylene claim 1 , optionally substituted C-Calkenylene claim 1 , —O— claim 1 , —S— claim 1 , —NR— claim 1 , —C(═O)— claim 1 , —C(═NR)— claim 1 , —SO— claim 1 , —P(═O)(OR)— claim 1 , optionally substituted heterocyclyl claim 1 , optionally substituted aryl claim 1 , —[O—(C-Calkylene)]- claim 1 , —[NHR—(C-Calkylene)] claim 1 , —[S—(C-Calkylene)]- claim 1 , and combinations thereof; wherein Ris H or optionally substituted C- ...

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14-11-2013 дата публикации

POLYESTER COMPOSITION

Номер: US20130303660A1
Принадлежит: E I DU PONT DE NEMOURS AND COMPANY

Compositions comprising: (a) 30 to 65 weight percent of a polyester, (b) 7 to 25 weight percent of an ethylene copolymer toughener; (c) 5 to 25 weight percent of a copolyether ester elastomer having a shore D hardness of 20 to 50; optionally (d) 15 to 35 weight percent of a halogenated epoxy flame retardant; and (e) when (d) is present in the composition, optionally, 2 to 10 weight percent of a flame retardant synergist; 1. A composition comprising:(a) 30 to 65 weight percent of a polyester;(b) 7 to 25 weight percent of an ethylene copolymer toughener;(c) 5 to 25 weight percent of a copolyether ester elastomer having a shore D hardness that ranges from 20 to 50;(d) optionally, a flame retardant; and(e) when (d) is present in the composition, optionally a flame retardant synergist,wherein:the ratio of the combined weight of (b)+(c) relative to the weight of (a) ranges from 0.40 to 0.85;the ratio of the weight of (b) relative to that of (c) ranges from 0.3 to 2.5; andthe Gardner impact of the composition, when molded, is at least 4.2 J, measured at −40° C. according to ASTM D5420.2. The composition of claim 1 , wherein the flame retardant claim 1 , when present claim 1 , is selected from halogenated polymers claim 1 , halogenated epoxy flame retardants claim 1 , and mixtures of these.3. The composition of claim 2 , wherein:when the flame retardant is a halogenated epoxy flame retardant, its concentration ranges from 15 to 35 weight percent of the total weight of the composition; andthe Gardner impact of the composition, when molded, is at least 7 J.4. The composition of claim 2 , wherein the shore D hardness of the copolyether ester elastomer ranges from 25 to 45.5. The composition of claim 2 , wherein the ratio of the combined weight of (b) plus (c) relative to the weight of (a) ranges from 0.45 to 0.85.6. The composition of claim 2 , wherein the ethylene copolymer toughener comprises copolymerized monomers of ethylene and glycidyl methacrylate claim 2 , and either n ...

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14-11-2013 дата публикации

CROSSLINKED POLYMERS CONTAINING BIOMASS DERIVED MATERIALS

Номер: US20130303705A1
Принадлежит:

Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions. 2. The crosslinked polymer of wherein the repeat units comprise aliphatic hydrocarbylene groups having substituents comprising one or more of C1-C22 aminoalkyl groups claim 1 , —COOZ claim 1 , —COX claim 1 , —CONZZ′ claim 1 , or —CONH(CH2)pNH2 claim 1 , and salts thereof.4. The crosslinked polymer of either or wherein at least one repeat unit contains one or more substituents comprising one or more of C1-C22 aminoalkyl groups claim 1 , optionally substituted with alkyl or aldaroyl groups claim 1 , or a salt thereof.5. The crosslinked polymer of wherein the polymer is a derivative of polyallylamine claim 1 , polyallylamine hydrochloride claim 1 , branched polyethyleneimine claim 1 , branched polyethyleneimine hydrochloride claim 1 , poly(acryloyl chloride) claim 1 , poly(methacryloyl chloride) claim 1 , poly[N-(□-aminoalkyl)acrylamide] claim 1 , polyglycosamine claim 1 , carboxymethylchitosan claim 1 , chitosan claim 1 , chitosan hydrochloride claim 1 , or a derivative or salt thereof.6. The crosslinked polymer of wherein the aldaroyl moiety in the crosslinking unit is glucaroyl claim 1 , galactaroyl claim 1 , mannaroyl claim 1 , xylaroyl claim 1 , or tartaroyl.8. The crosslinked polymer of wherein the suitable functional group is derived from an amine claim 7 , hydroxyl claim 7 , carboxylic acid claim 7 , ester claim 7 , urethane claim 7 , urea claim 7 , amide claim 7 , or isocyanate; and G is an epoxide claim 7 , isocyanate claim 7 , benzylic halide claim 7 , amine claim 7 , acid halide claim 7 , ester claim 7 , or amide.9. The crosslinked polymer of wherein L and L′ are independently selected from —Y—R claim 7 , wherein Y is O claim 7 , NH claim 7 , or S and R is alkyl claim 7 , substituted alkyl claim 7 , alkaryl claim 7 , substituted alkaryl claim 7 , aryl claim 7 , or ...

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21-11-2013 дата публикации

DEGRADABLE FIBERS

Номер: US20130310491A1
Принадлежит: 3M 9NNOVATIVE PROPERTIES COMPANY

There is provided self-degrading fibers, and methods of making and methods of using such self-degrading fibers. 2. The self-degrading fiber of further comprising:(c) a plasticizer.3. The self-degrading fiber of wherein the plasticizer is selected from polyethylene glycol claim 2 , starch claim 2 , glucose claim 2 , polypropylene glycol claim 2 , and combinations thereof.4. The self-degrading fiber of wherein the first material comprises at least about 70 weight percent and the second material comprises no more than 30 weight percent based on the total weight of the fiber.5. The self-degrading fiber of wherein the second material comprises at up to 75 weight percent of lactate and at least 25 weight percent of glycolate.6. The self-degrading fiber of wherein the first material is amorphous.7. The self-degrading fiber of wherein the first material is crystalline.8. The self-degrading fiber of wherein the first material is a mixture of crystalline and amorphous.9. The self-degrading fiber of wherein the fiber is a self-contained fiber.10. A self-degrading fiber comprising a first material and a second material claim 1 , wherein the fiber has a degradation level of at least 5 weight percent based on the total weight of the fiber when subjected to a temperature of about 38° C. for seven days in the presence of moisture.11. The self-degrading fiber of wherein the second material further comprises polyethylene glycol.12. The self-degrading fiber of wherein the first material is amorphous.13. The self-degrading fiber of wherein the first material is crystalline.14. A self-degrading fiber comprising a first material and a second material claim 10 , wherein the fiber has a degradation level of at least 5 weight percent based on the total weight of the fiber when subjected to a temperature of about 49° C. for seven days in the presence of moisture.15. The self-degrading fiber of wherein the second material further comprises polyethylene glycol.16. The self-degrading fiber of ...

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21-11-2013 дата публикации

FLAME-RETARDANT THERMOPLASTIC COMPOSITION

Номер: US20130310494A1
Принадлежит: BASF SE

A thermoplastic composition comprising A) a polyalkylene terephthalate; B) an elastomer selected from b1) the polyalkylene terephthalate polyester urethanes, b2) the polyalkylene terephthalate polyether urethanes, b3) the polyalkylene terephthalate polyethers, b4) of the polyalkylene terephthalate polyesters, and mixtures of these; C) a halogen-free flame retardant selected from c1) the nitrogen-containing flame retardants, c2) the nitrogen- and phosphorus-containing flame retardants, c3) of the phosphorus-containing flame retardants, and mixtures of these. The use of the thermoplastic composition of the invention for producing fibers, foils, or moldings, and also to fibers, foils or moldings which comprise the composition of the invention. The use of the thermoplastic composition as coating compositions. 110-. (canceled)11. A thermoplastic composition comprisingA) a polyalkylene terephthalate b1) polyalkylene terephthalate polyester urethanes,', 'b2) polyalkylene terephthalate polyether urethanes,', 'b3) polyalkylene terephthalate polyethers,', 'b4) polyalkylene terephthalate polyesters,', 'and mixtures of these,, 'B) an elastomer selected from the group consisting of'} c1) nitrogen-containing flame retardants,', 'c2) nitrogen- and phosphorus-containing flame retardants,', 'c3) phosphorus-containing flame retardants selected from the group consisting of phosphates, phosphinic salts, diphosphinic salts, and mixtures of these,', 'and mixtures of these,, 'C) a halogen-free flame retardant selected from the group consisting of'}wherein the proportions by weight of C) are from 5 to 35% by weight, based on the entire thermoplastic composition.12. The thermoplastic composition of claim 11 , wherein b1) is a polybutylene terephthalate polyester urethane.13. The thermoplastic composition of claim 11 , wherein c1) is a nitrogen-containing heterocycle having at least one nitrogen atom.14. The thermoplastic composition of which further comprises D) a reinforcing addition.15. ...

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21-11-2013 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED PRODUCT THEREOF

Номер: US20130310502A1
Принадлежит: Toray Industries, Inc.

The present invention relates to a thermoplastic resin composition obtained by compounding phosphoric acid and/or monosodium phosphate (D) with a resin composition including a styrenebased resin (A), a graft copolymer (B), and an aliphatic polyester resin (C), wherein the thermoplastic resin composition is excellent in mechanical properties (e.g., impact resistance) and thermal stability, and, in addition, can be molded without any problem in terms of safety and hygiene. 1. A thermoplastic resin composition obtained by compounding phosphoric acid and/or monosodium phosphate (D) with a resin composition comprising a styrene-based resin (A) , a graft copolymer (B) , and an aliphatic polyester resin (C).2. The thermoplastic resin composition according to claim 1 , wherein the resin composition further comprises an acrylic-based resin (E).3. The thermoplastic resin composition according to claim 1 , wherein the aliphatic polyester resin (C) is polylactic acid.4. The thermoplastic resin composition according to claim 1 , comprising 0.01 to 5 parts by weight of the phosphoric acid and/or monosodium phosphate (D) based on 100 parts by weight of the resin composition.5. The thermoplastic resin composition according to claim 1 , comprising 10 to 80 parts by weight of the styrene-based resin (A) claim 1 , 5 to 70 parts by weight of the graft copolymer (B) claim 1 , 1 to 85 parts by weight of the aliphatic polyester resin (C) claim 1 , and 0 to 30 parts by weight of the acrylic-based resin (E) based on 100 parts by weight of the resin composition.6. The thermoplastic resin composition according to claim 1 , wherein the styrene-based resin (A) is obtained by polymerizing at least an aromatic vinyl-based monomer (a1).7. The thermoplastic resin composition according to claim 1 , wherein the graft copolymer (B) is obtained by graft-polymerizing a rubbery polymer (r) with a monomer component comprising at least an unsaturated carboxylic acid alkyl ester-based monomer (b1).8. The ...

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28-11-2013 дата публикации

Polyester resin composition

Номер: US20130316106A1
Принадлежит: Mitsubishi Chemical Corp

The present invention relates to a polyester resin composition comprising: (A) a polyester resin containing 5% by mole or more and not more than 86% by mole of a succinic acid unit in the whole of an aliphatic dicarboxylic acid unit; (B) a polyester resin containing 5% by mole or more and not more than 95% by mole of an aromatic dicarboxylic acid unit in all of dicarboxylic acid units; and (C) a polyester resin containing an aliphatic oxycarboxylic acid, wherein the polyester resin composition contains from 10 to 89% by weight of the resin (A) and from 11 to 90% by weight of the resin (B) relative to a total sum of the resins (A) and (B) and contains from 1 to 40% by weight of the resin (C) relative to a total sum of the resins (A), (B) and (C).

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28-11-2013 дата публикации

FLAME RETARDANT RESIN COMPOSITION AND MOLDED PRODUCT

Номер: US20130317138A1
Принадлежит: RICOH COMPANY ,LTD.

A flame retardant resin composition including: a thermoplastic resin; and a flame retardant, wherein the flame retardant includes a phosphorylated lignin derivative, and wherein the phosphorylated lignin derivative is produced by adding phosphoric acid to a lignin derivative obtained by subjecting a naturally occurring lignin to a predetermined treatment. 1. A flame retardant resin composition comprising:a thermoplastic resin; anda flame retardant,wherein the flame retard comprises a phosphorylated lignin derivative, andwherein the phosphorylated lignin derivative is produced by adding phosphoric acid to a lignin derivative obtained by subjecting a naturally occurring lignin to a predetermined treatment.2. A flame retardant resin composition comprising:a thermoplastic resin; anda flame retardant,wherein the flame retardant comprises a phosphorylated lignin derivative, andwherein the phosphorylated lignin derivative is produced by 1) hydroxymethylating a lignin derivative obtained by subjecting a naturally occurring lignin to a predetermined treatment, and then 2) adding phosphoric acid to the hydroxymethylated lignin derivative.3. The flame retardant resin composition according to claim 1 , wherein the lignin derivative obtained by subjecting the naturally occurring lignin to the predetermined treatment is at least one selected from the group consisting of kraft lignins claim 1 , phenolated sulfuric acid lignins claim 1 , hydrothermally treated sulfuric acid lignins and alkali lignins.4. The flame retardant resin composition according to claim 3 , wherein the lignin derivative obtained by subjecting the naturally occurring lignin to the predetermined treatment is the kraft lignin or the phenolated sulfuric acid lignin.5. The flame retardant resin composition according to claim 2 , wherein the lignin derivative obtained by subjecting the naturally occurring lignin to the predetermined treatment is at least one selected from the group consisting of kraft lignins claim ...

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28-11-2013 дата публикации

PHA COMPOSITIONS COMPRISING PBS AND PBSA AND METHODS FOR THEIR PRODUCTION

Номер: US20130317163A1
Принадлежит: METABOLIX, INC.

Compositions of PHAs with PBS and/or PBSA are described and methods of making the same. 1. A method of preparing a branched polymer composition , comprisingreacting a PHA and PBS or PBSA with a branching agent, thereby forming a branched polymer composition of PHA and PBS or PHA and PBSA.2. The method of claim 1 , wherein the composition further comprises one or more additives.3. The method of claim 1 , wherein the branching agent is selected from: dicumyl peroxide claim 1 , t-amyl-2-ethylhexyl peroxycarbonate claim 1 , 1 claim 1 ,1-bis(t-butylperoxy)-3 claim 1 ,3 claim 1 ,5-trimethylcyclohexane claim 1 , 2 claim 1 ,5-dimethyl-2 claim 1 ,5-di(t-butylperoxy)hexane claim 1 , 2 claim 1 ,5-bis(t-butylperoxy)-2 claim 1 ,5-dimethylhexane claim 1 , 2 claim 1 ,5-dimethyl-di(t-butylperoxy)hexyne-3 claim 1 , di-t-butyl peroxide claim 1 , benzoyl peroxide claim 1 , di-t-amyl peroxide claim 1 , t-butyl cumyl peroxide claim 1 , n-butyl-4 claim 1 ,4-bis(t-butylperoxy)valerate claim 1 , 1 claim 1 ,1-di(t-butylperoxy)-3 claim 1 ,3 claim 1 ,5-trimethyl-cyclohexane claim 1 , 1 claim 1 ,1-di(t-butylperoxy)cyclohexane claim 1 , 1 claim 1 ,1-di(t-amylperoxy)-cyclohexane claim 1 , 2 claim 1 ,2-di(t-butylperoxy)butane claim 1 , ethyl-3 claim 1 ,3-di(t-butylperoxy)butyrate claim 1 , 2 claim 1 ,2-di(t-amylperoxy)propane claim 1 , ethyl-3 claim 1 ,3-di(t-amylperoxy)butyrate claim 1 , t-butylperoxy-acetate claim 1 , t-amylperoxyacetate claim 1 , t-butylperoxybenzoate claim 1 , t-amylperoxybenzoate claim 1 , and di-t-butyldiperoxyphthalate.4. The method of claim 1 , wherein the concentration of branching agent is between 0.001% to 0.5% by weight of the total composition.5. The method of claim 1 , wherein the composition further comprises a cross-linking agent for reacting with the polymer composition.6. The method of claim 1 , wherein the cross-linking agent contains at least two reactive C—C double bonds.7. The method of claim 1 , wherein the cross-linking agent is an epoxy functional ...

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05-12-2013 дата публикации

HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME

Номер: US20130324670A1
Принадлежит: Sumitomo Seika Chemicals Co., Ltd.

Provide is a cross-linked polymer which is a polymer of a water-soluble ethylenically unsaturated monomer, the cross-linked polymer being cross-linked by a water-soluble crosslinking agent. An aqueous liquid with a pH of 6.8 to 7.0 consisting of water and 1.0% by mass of the cross-linked polymer has an equilibrium compliance at 25° C. of 5.2×10to 1.0×10(1/Pa), while an aqueous liquid with a pH of 6.8 to 7.0 consisting of water and 0.2% by mass of a corresponding cross-linked polymer has a viscosity at 25° C. of 200 mPa·s or more. 1. A cross-linked polymer which is a polymer of a water-soluble ethylenically unsaturated monomer , the cross-linked polymer being cross-linked by a water-soluble crosslinking agent ,{'sup': −4', '−1, 'wherein an aqueous liquid with a pH of 6.8 to 7.0 consisting of water and 1.0% by mass of the cross-linked polymer has an equilibrium compliance at 25° C. of 5.2×10to 1.0×10(1/Pa), while an aqueous liquid with a pH of 6.8 to 7.0 consisting of water and 0.2% by mass of the cross-linked polymer has a viscosity at 25° C. of 200 mPa·s or more.'}2. The cross-linked polymer according to claim 1 , wherein the water-soluble crosslinking agent includes at least one compound selected from the group consisting of N claim 1 ,N′-methylenebisacrylamide claim 1 , ethylene glycol dimethacrylate claim 1 , ethylene glycol diglycidyl ether claim 1 , polyethylene glycol dimethacrylate claim 1 , polyethylene glycol diglycidyl ether claim 1 , and a water-soluble sucrose allyl ether.3. The cross-linked polymer according to claim 1 , wherein the water-soluble crosslinking agent includes the water-soluble sucrose allyl ether.4. The cross-linked polymer according to claim 1 , wherein the water-soluble ethylenically unsaturated monomer includes at least one compound selected from the group consisting of acrylic acid and a salt thereof claim 1 , methacrylic acid and a salt thereof claim 1 , 2-acrylamide-2 methylpropane sulfonic acid and a salt thereof claim 1 , ...

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12-12-2013 дата публикации

MOLECULARLY IMPRINTED POLYMERS HAVING AFFINITY FOR NATRIURETIC PEPTIDES

Номер: US20130330384A1
Принадлежит: UNIVERSITY OF SOUTH FLORIDA

The present invention concerns molecularly imprinted polymers (MIPs) having an affinity for natriuretic peptides, such as atrial natriuretic peptide (ANP). In some embodiments, the MIP is a nanoparticle (a molecularly imprinted polymeric nanoparticle (MIPNP)). Other aspects of the invention include methods of preparing an MIP having affinity for a natriuretic peptide, methods for binding a natriuretic peptide in vitro or in vivo using an MIP of the invention, methods for interfering with the binding of a natriuretic peptide with its receptor in vivo, methods for reducing inflammation, cell growth, cell differentiation, or a cell proliferation disorder, methods for detecting natriuretic peptides, and devices and kits for sequestering and/or detecting natriuretic peptides. 1. A composition of matter , comprising:(a) a molecularly imprinted polymer (MIP) having affinity for a natriuretic peptide or a fragment thereof; or(b) a pharmaceutical composition comprising an MIP of (a), and a pharmaceutically acceptable carrier; or(c) a device for sequestering or detecting natriuretic peptides, comprising a substrate with an MIP of (a) attached thereto; or(d) a kit for sequestration and/or detection of one or more natriuretic peptides, comprising, in one or more separate containers, one or more MIPs of (a).2. The composition of claim 1 , wherein the composition is (a) claim 1 , and wherein the MIP is a nanoparticle.3. The composition of claim 1 , wherein the composition is (a) claim 1 , and wherein the natriuretic peptide is atrial natriuretic peptide (ANP (SEQ ID NO:3)).4. The composition of claim 1 , wherein the composition is (a) claim 1 , and wherein the natriuretic peptide is selected from among atrial natriuretic peptide (ANP (SEQ ID NO:3); amino acids 99-126 of pro-ANP) claim 1 , long-acting natriuretic peptide (LANP (SEQ ID NO:7); amino acids 1-30 of pro-ANP) claim 1 , vessel dilator (VD (SEQ ID NO:8); amino acids 31-67 of pro-ANP) claim 1 , kaliuretic peptide (KP (SEQ ...

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12-12-2013 дата публикации

POLYLACTIC ACID BASED FILM

Номер: US20130331493A1
Принадлежит: Toray Industries, Inc.

A polylactic acid based film includes a composition containing a polylactic acid based resin (A), a thermoplastic resin other than polylactic acid based resin (B), and a compound treated with a surface treatment agent as filler (C), the polylactic acid based resin containing a crystalline polylactic acid based resin and an amorphous polylactic acid based resin, and resin (A) accounting for 10 to 95 mass % and resin (B) accounting for 5 to 90 mass % of a combined total of 100 mass % of resin (A) and resin (B), and filler (C) accounting for 10 to 400 parts by mass per a combined total of 100 parts by mass of resin (A) and resin (B). 1. A polylactic acid based film comprising a composition containing a polylactic acid based resin (A) , a thermoplastic resin other than polylactic acid based resin (B) , and a compound treated with a surface treatment agent as filler (C) ,the polylactic acid based resin containing a crystalline polylactic acid based resin and an amorphous polylactic acid based resin,and resin (A) accounting for 10 to 95 mass % and resin (B) accounting for 5 to 90 mass % of a combined total of 100 mass % of resin (A) and resin (B), and filler (C) accounting for 10 to 400 parts by mass per a combined total of 100 parts by mass of resin (A) and resin (B).2. The polylactic acid based film as described in claim 1 , wherein the surface treatment agent is a phosphate based compound and/or fatty acid.3. The polylactic acid based film as described in claim 1 , wherein the surface treatment agent contains a methacrylate group.4. The polylactic acid based film as described in claim 1 , wherein filler (C) is produced by subjecting an inorganic filler and/or organic filler to treatment with a surface treatment agent and specific surface area S (m/g) of the inorganic filler and/or organic filler and percentage by mass T (mass %) of that portion of filler (C) originating from the surface treatment agentsatisfies 0.15≦T/S≦0.45.5. The polylactic acid based film as ...

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19-12-2013 дата публикации

DEGRADABLE MATERIALS

Номер: US20130338271A1
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

The present disclosure relates to a degradable material comprising (a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and (b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material, where the second material is an oligomer comprising lactate and giycolate. In another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a Tg less than 56° C. In still another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a tan delta peak of less than 65° C. It has been surprisingly found that the degradable materials according to the present disclosure provide physical properties that are not inherent to poly lactic acid alone. It has also been surprisingly found that the degradable materials disclosed herein provide improvements with respect to the processability, production costs, flexibility and ductility without decreasing their degradability. 1. A degradable material comprising:(a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and(b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material,wherein the second material is an oligomer comprising lactate and glycolate.2. The degradable material of wherein the first material is poly lactic acid.3. The degradable material of further comprising:(c) a plasticizer.4. The degradable material of wherein the plasticizer is selected from polyethylene glycol claim 3 , starch claim 3 , glucose claim 3 , polypropylene glycol claim 3 , and ethers and esters thereof and ...

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26-12-2013 дата публикации

BIODEGRADABLE IMPACT-MODIFIED POLYMER COMPOSITIONS

Номер: US20130345363A1
Принадлежит: Arkema Inc.

The invention relates to an impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and may have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze, The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers. 3. A biodegradable polymer composition of claim 1 , wherein said biodegradable polymer is polylactide claim 1 , polyhydroxy butyrate claim 1 , or a mixture thereof.4. The biodegradable polymer composition of claim 1 , wherein said impact modifier has a number average particle size of from greater than 250 nm to 400 nm.5. The biodegradable polymer composition of claim 1 , wherein said impact modifier has a number average particle size of from 280 to 330 rim.6. The biodegradable polymer composition of claim 3 , wherein said polylactide has a weight average molecular weight of from 10 claim 3 ,000-3 claim 3 ,000 claim 3 ,000 g/mol.7. The biodegradable polymer composition of wherein the core-shell impact modifier are a blend of two or more copolymers.8. The biodegradable polymer composition of claim 1 , Wherein said biopolymer comprises one or more polymers selected from the group consisting of starch claim 1 , cellulose claim 1 , polysaccharides claim 1 , aliphatic or aromatic polyesters claim 1 , and polycaprolactone.9. The biodegradable polymer composition of claim 1 , wherein said core-shell impact modifier is an all-acrylic core/shell polymer.10. The biodegradable polymer composition of claim 1 , wherein the core of said core-shell impact modifier comprises one or more monomer units selected from the group consisting of butyl acrylate claim 1 , and ethylhexylacrylate.11. The biodegradable polymer composition of ...

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26-12-2013 дата публикации

NOVEL INITIATION PROCESS FOR POLYMERIZATION WITH ACTIVATION USING IONIC LIQUIDS

Номер: US20130345380A1
Принадлежит: EVONIK DEGUSSA GmbH

The present invention relates to an innovative polymerization technique for (meth)acrylates and styrenes, in which the polymerization is initiated by isocyanates and special bases with imine structure and is activated/accelerated by addition of ionic liquids. With this new technique, which can be employed selectively, it is also possible to produce high molecular weight poly(meth)acrylates with in some cases narrow molecular weight distribution. 1. A method for initiating polymerization , comprising initiatingpolymerization of a vinylic monomer M with a component B and a component C,wherein the component B is an organic base,and the component C is an ionic liquid.2. The method of claim 1 , whereinthe initiating further comprises adding a component A, which is an isocyanate or a carbodiimide, additionally to the mixture, andcomponent A and component B are added separately from one another to the monomer M.3. The method of claim 2 , wherein the initiating comprises adding component B to a mixture of component A claim 2 , the ionic liquid C claim 2 , and a vinylic monomer M.4. The method of claim 2 , wherein the initiating comprises adding component A to a mixture of component B claim 2 , the ionic liquid C claim 2 , and a vinylic monomer M.5. The method of claim 1 , wherein the initiating is performed at a temperature below 50° C.6. The method of claim 2 , wherein the component A is dodecyl isocyanate claim 2 , ethyl isocyanate claim 2 , 1 claim 2 ,6-hexa-methylene diisocyanate (HDI) claim 2 , an HDI trimer claim 2 , cyclohexyl isocyanate claim 2 , tert-butyl isocyanate claim 2 , phenyl isocyanate claim 2 , toluene diisocyanate (TDI) claim 2 , isophorone diisocyanate (IPDI) claim 2 , or an IPDI trimer.7. The method of claim 1 , wherein the component C is a substance which is liquid below 100° C. and is composed of a cation and an anion.8. The method of claim 7 , wherein the cation is an imidazolium claim 7 , a pyridinium claim 7 , a pyrrolidinium claim 7 , a ...

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26-12-2013 дата публикации

ULTRASONIC-ASSISTED MOLDING OF PRECISELY-SHAPED ARTICLES AND METHODS

Номер: US20130345384A1
Принадлежит:

An ultrasonic-assisted injection molding system and method for making precisely-shaped articles. A source of ultrasonic energy is positioned to apply vibrational energy to a mold cavity connected to at least one gate in flow communication with a source of molten (co)polymer. The mold is heated to a temperature of 104-116° C., and the molten (co)polymer is injected into the mold cavity. After cooling the mold until the molten (co)polymer within the gate has solidified, ultrasonic energy is applied to the mold without remelting the solidified (co)polymer within the gate until the temperature increases to 116-122° C., thereby substantially relieving flow induced stresses. The mold is then cooled until the temperature decreases to 101-107° C., and is thereafter heated until the temperature increases to 116-122° C., thereby substantially relieving any thermally induced stresses. The mold is cooled until the molten (co)polymer has solidified, thereby forming a precision molded plastic optical element. 1. A molding method , comprising:providing an injection mold having a first mold member and at least one movable mold member that can move toward and away from the first mold member to close the mold, wherein a mold cavity is formed in at least one of the first or movable mold members, the cavity having at least one gate therein, and further wherein a source of ultrasonic energy is positioned to apply ultrasonic energy to the cavity;closing the mold, whereby the at least one gate is fluidly connected to a source of molten (co)polymer;heating the mold to a mold temperature measured adjacent to the cavity of from 104° C. to 116° C.;thereafter injecting the molten (co)polymer into the cavity through the at least one gate of the closed mold to substantially fill the cavity and the gate with the molten (co)polymer;allowing the closed mold to cool until the molten (co)polymer within the gate has solidified;applying ultrasonic energy from the source of ultrasonic energy to the ...

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02-01-2014 дата публикации

POLYESTER CO-PHOSPHONATES

Номер: US20140000751A1
Принадлежит:

Polyester co-polyphosphonates including of phosphonates covalently incorporated with polyesters and methods for making such polyester co-polyphosphonates are described herein. The polyester co-phosphonates and compositions prepared from these compounds exhibit an excellent combination of processing characteristics, mechanical and fire resistant properties. 1. A method for preparing a polyester co-phosphonate comprising:combining at least one diol and at least one dicarboxylic acid or at least one di-ester to form a reaction mixture;reacting the reaction mixture; andintroducing at least one phosphonate into the reaction mixture, wherein the phosphonate is incorporated into a polyester to form a polyester co-phosphonate.2. The method of where the method is carried out in a batch process or a continuous process.3. The method of claim 1 , further comprising adding at least one AB monomer into the reaction mixture.4. The method of claim 1 , further comprising introducing a catalyst into the reaction mixture.5. The method of claim 1 , wherein phosphonate comprises about 1 wt. % to about 80 wt. % of the reaction mixture.6. The method of claim 1 , wherein the phosphonate is a diaryl alkyl phosphonate.7. The method of claim 1 , wherein the phosphonate is diphenyl methyl phosphonate.8. The method of claim 1 , wherein the phosphonate is oligomeric phosphonate.9. The method of claim 8 , wherein the phosphonate is an oligomeric phosphonate derived from diphenyl methyl phosphonate and bisphenol A.10. The method of claim 1 , wherein the phosphonate is a polyphosphonate.11. The method of claim 10 , wherein the polyphosphonate is derived from diphenyl methyl phosphonate and bisphenol A.12. The method of claim 1 , wherein incorporating is carried out during the step of reacting.13. The method of claim 1 , wherein introducing is carried out during or after the step of combining.14. The method of claim 1 , wherein the diol is selected from the group consisting of 1 claim 1 ,4- ...

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02-01-2014 дата публикации

RHEOLOGY MODIFIERS FOR MODIFYING THE RHEOLOGICAL BEHAVIOUR OF COATING COMPOSITIONS

Номер: US20140004368A1
Принадлежит: BASF SE

The present invention provides rheology modifiers, which are water-soluble polymers having a weight average molecular weight (Mw) of at least 1′000′000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and wherein the water-soluble polymers are in the form of solid particles. It also provides mixtures of rheology modifiers comprising a first rheology modifier, which is a water-soluble polymer having a weight average molecular weight (Mw) of at least 1′000′000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and a second rheology modifier, which has a weight average molecular weight of from 2′000 g/mol to 800′000 g/mol. It also provides coating composition containing the rheology modifiers, respectively, mixtures of rheology modifiers, a process for their preparation, a process for coating a substrate using these coating compositions and substrates coated with these coating compositions. 14-. (canceled)5. A process for preparing a coating composition comprising the steps of(i) providing a rheology modifier, wherein the rheology modifier is a water-soluble polymer having a weight average molecular weight (Mw) of at least 1,000,000 g/mol and an intrinsic viscosity of at least 2.5 dl/g, both as determined by size exclusion chromatography, and wherein the water-soluble polymer is in the form of solid particles,{'b': '1', '(ii) optionally forming an aqueous solution or inverse (water-in-oil) emulsion of the rheology modifiers of claim , and'}(iii) mixing the rheology modifiers of step (i) or the aqueous solution or inverse emulsion of the rheology modifiers obtained in step (ii) with a binder, a pigment, a carrier solvent and optional additives in order to form a coating composition.6. A coating composition obtainable by the process of .7. A process for coating a substrate comprising the steps of(i) providing a rheology modifier, wherein the rheology ...

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09-01-2014 дата публикации

TERNARY BLENDS OF TEREPHTHALATE OR ISOPHTHALATE POLYESTERS CONTAINING EG, CHDM AND TMCD

Номер: US20140010982A1
Принадлежит:

Disclosed are ternary polyester blends that contain at least one polyester comprising terephthalic or isophthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol residues, and at least one polyester comprising terephthalic or isophthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 1,4-cyclohexanedimethanol residues. The ternary polyester blends have improved clarity, toughness, and fabrication characteristics and are useful for the preparation of flat or shaped articles. Of special interest are ternary blends where one of the three components compatibilizes the blend of two otherwise immiscible polyesters. 1. A ternary polyester blend comprising: (i) a diacid component comprising at least 95 mole percent of the residues of terephthalic acid, isophthalic acid, or mixtures thereof; and', '(ii) a diol component comprising from 15 to 45 mole percent of the residues of 2,2,4,4-tetramethyl-1,3-cyclobutanediol and from 55 to 85 mole percent of the residues of 1,4-cyclohexanedimethanol;, '(a) a polyester (PCTT) comprising (i) a diacid component comprising at least 95 mole percent of the residues of terephthalic acid, isophthalic acid, or mixtures thereof; and', '(ii) a diol component comprising from 25 to 55 mole percent of the residues of 1,4-cyclohexanedimethanol and from 45 to 75 mole percent of the residues of ethylene glycol; and, '(b) a polyester (PETG) comprising (i) a diacid component comprising at least 95 mole percent of the residues of terephthalic acid, isophthalic acid, or mixtures thereof; and', '(ii) a diol component comprising from 55 to 85 mole percent of the residues of 1,4-cyclohexanedimethanol and from 15 to 45 mole percent of the residues of ethylene glycol,, '(c) a polyester (PCTG) comprisingwherein said blend has a haze value of 5% or less when measured on a 0.010-inch thick film.2. The blend according to claim 1 , having a haze value of 1.5% or less when measured on a 0.010-inch thick film.3. The blend according to claim 1 , which ...

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09-01-2014 дата публикации

BIODEGRADABLE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME

Номер: US20140011965A1
Принадлежит: Mitsui Chemicals, Inc.

Disclosed are a biodegradable resin composition comprising a copolymer (A) with a weight average molecular weight of 1,000 to 30,000, which comprises a constituent unit (a-1) derived from a multivalent carboxylic acid except for an amino acid and a constituent unit (a-2) derived from a hydroxycarboxylic acid, and a biodegradable resin (B), which has excellent hydrolyzability and excellent transparency; and a biodegradable molded article composed of this biodegradable resin composition. 1. A biodegradable resin composition , comprising:a copolymer (A) with a weight average molecular weight of 1,000 to 30,000, which comprises a constituent unit (a-1) derived from a multivalent carboxylic acid except for an amino acid and a constituent unit (a-2) derived from a hydroxycarboxylic acid, anda biodegradable resin (B).2. The biodegradable resin composition according to claim 1 , wherein the multivalent carboxylic acid is a hydroxydicarboxylic acid and/or a hydroxytricarboxylic acid.3. The biodegradable resin composition according to claim 1 , wherein the multivalent carboxylic acid is malic acid and/or citric acid.4. The biodegradable resin composition according to claim 1 , wherein the biodegradable resin (B) is a polyhydroxycarboxylic acid.5. The biodegradable resin composition according to claim 1 , wherein the biodegradable resin (B) is a polylactic acid.6. The biodegradable resin composition according to claim 1 , wherein the mol composition ratio [(a-1)/(a-2)] of constituent unit (a-1) and constituent unit (a-2) in copolymer (A) is 1/10 to 1/50.7. The biodegradable resin composition according to claim 1 , wherein the mass composition ratio [(A)/(B)] of copolymer (A) and biodegradable resin (B) is 1/99 to 20/80 when the total amount of copolymer (A) and biodegradable resin (B) is 100.8. The biodegradable resin composition according to claim 1 , wherein the weight average molecular weight of copolymer (A) is 2 claim 1 ,500 to 20 claim 1 ,000.9. A biodegradable molded ...

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16-01-2014 дата публикации

USE OF A COMB POLYMER FOR PREPARING A SUSPENSION COMPRISING CALCIUM CARBONATE AND HAVING A SENSITIVITY TO REDUCED TEMPERATURE

Номер: US20140018486A1
Принадлежит:

The invention relates to the use of a comb polymer for preparing a slurry, said slurry comprising calcium carbonate, the viscosity of said aqueous slurry as measured by a HAAKE Rheostress rheometer ranging from 25 to 1000 mPa·s measured at 20° C. and at 90° C. 117.-. (canceled)19. In a method of reducing the temperature sensitivity of an aqueous slurry comprising water and calcium carbonate by adding an agent thereto , the improvement wherein said agent is a comb copolymer , wherein{'sub': sp', 'sp, 'the specific viscosity of said comb copolymer measured at 20° C. and at a concentration of 45 g/l differs from the specific viscosity of said comb copolymer measured at 70° C. by a specific viscosity difference Δη, wherein the absolute value of Δηis less than or equal to 0.5,'}said comb copolymer does not have a cloud point between 20° C. and 95° C. measured in water,said comb copolymer has a specific charge from −10 C/g to −600 C/g at pH 8,{'sup': '−1', 'and wherein the comb copolymer is present in said slurry in an amount sufficient to provide said slurry with a viscosity at 20 sranging from 25 to 1000 mPa·s measured at 20° C. and at 90° C.'}20. The method according to claim 19 , wherein said copolymer has a specific charge from −10 C/g to −550 C/g at pH 8.21. The method according to claim 19 , wherein said copolymer has a negatively-charged backbone consisting in randomly polymerized monomers of acrylic acid and methacrylic acid and wherein the percentage by weight of monomers of methacrylic acid is more than the percentage by weight of monomers of acrylic acid and non-charged side chains consisting in polymerized epoxide-containing compounds.22. The method according to claim 19 , wherein said comb copolymer comprises:a) acrylic acid and methacrylic acid monomers, wherein the percentage by weight of monomers of methacrylic acid is higher than the percentage by weight of monomers of acrylic acid, and {'br': None, 'R-X-R′\u2003\u2003(I)'}, 'b) at least one macromonomer ...

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30-01-2014 дата публикации

MASTERBATCH, METHOD FOR FABRICATING THE SAME, AND A FILM FABRICATED FROM THE MASTERBATCH

Номер: US20140030502A1

The disclosure provides a masterbatch, a method for fabricating the same and a film formed from the masterbatch. The masterbatch includes a product prepared from a composition via polymerization and granulation. The composition includes: terephthalic acid; and a silicon dioxide dispersion, wherein the silicon dioxide dispersion includes surface-modified silicon dioxide particles disposed within ethylene glycol, and the surface-modified silicon dioxide particle has first functional groups and second functional groups bonded on the surface of the silicon dioxide particles, wherein the first functional groups have a structure represented by 2. The masterbatch as claimed in claim 1 , wherein the weight ratio of the first functional groups and second functional groups are 10-50 wt % claim 1 , based on the weight of the surface-modified silicon dioxide particles.3. The masterbatch as claimed in claim 1 , wherein the silicon dioxide dispersion has a solid content of 5-20 wt %.4. The masterbatch as claimed in claim 1 , wherein the masterbatch has an absolute viscosity of 0.55-0.7.5. The masterbatch as claimed in claim 1 , wherein the surface-modified silicon dioxide particle has a weight percentage of 1-50 wt % claim 1 , based on the weight of the masterbatch.6. The masterbatch as claimed in claim 1 , wherein the surface-modified silicon dioxide particle has a particle size of 1-100 nm.8. The method as claimed in claim 7 , wherein the weight ratio of the first functional groups and second functional groups are 10-50 wt % claim 7 , based on the weight of the surface-modified silicon dioxide particles.9. The method as claimed in claim 7 , wherein the silicon dioxide dispersion has a solid content of 5-20 wt %.10. The method as claimed in claim 7 , wherein the masterbatch has an absolute viscosity of 0.55-0.7.11. The method as claimed in claim 7 , wherein the surface-modified silicon dioxide particle has a weight percentage of 1-50 wt % claim 7 , based on the weight of the ...

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30-01-2014 дата публикации

Polylactide Hydrosol and Articles Made Therefrom

Номер: US20140031436A1
Принадлежит: SmartHealth, Inc.

A polylactide hydrosol polymer formulations suitable for thin film articles and methods of making the thin film articles are provided. The formulations and methods can be use to make articles such as gloves, condoms, catheters and the like using dip forming, and various casting processes. 1. A glove comprising: a polylactic acid polymer; and', 'a non-ionic surfactant; and', 'a biodegradable polymer resin selected from the group consisting of homopolymers, block copolymer, graft copolymer, random copolymer polyblend and combinations thereof, and', 'wherein the polyblend is selected from the group consisting of polyglycolic acid, polycaprolactone, polyhydroxybutyrate, aliphatic polyesters, polyalkylene esters, polyester amides, polyvinyl esters, polyester carbonates, polyvinyl alcohols, polyanhydrides, polysaccharides, and combinations thereof., 'at least one layer of an elastomeric material, wherein the elastomeric material comprises2. A glove comprising: a polylactic acid polymer; and', 'a non-ionic surfactant; and', 'wherein the non-ionic surfactant is an Octyl phenol ethoxylate., 'at least one layer of an elastomeric material, wherein the elastomeric material comprises3. A glove comprising: a polylactic acid polymer; and', 'a non-ionic surfactant; and', 'wherein the elastomeric material further comprises a plasticizer., 'at least one layer of an elastomeric material, wherein the elastomeric material comprises4. The glove of claim 3 , wherein the plasticizer is selected from the group consisting of a polyethylene glycol claim 3 , a polypropylene glycol claim 3 , a fatty acid ester claim 3 , a citric acid ester claim 3 , a lactide monomer claim 3 , an epoxidised oil claim 3 , an adipate ester claim 3 , an azealate ester claim 3 , an acetylated coconut oil claim 3 , an Octyl phenol ethoxylate claim 3 , and any combinations thereof.5. The glove of claim 4 , wherein the elastomeric material includes the polylactic acid polymer and an Octyl phenol ethoxylate claim 4 , ...

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30-01-2014 дата публикации

METHOD FOR THE PREPARATION OF MODIFIED POLY(ALKYLENE TEREPHTHALATE) EMPLOYING IN SITU TITANIUM-CONTAINING CATALYST

Номер: US20140031440A1
Принадлежит:

A process of preparing a modified polyalkylene terephthalate by melt polycondensation comprising reacting an alkylene diol and polyethylene terephthalate, wherein polymerization occurs in the presence of a catalyst complex formed by reaction of tetra(alkyl) titanate and a compound selected from phosphorus-containing compounds, nitrogen-containing compounds, boron-containing compounds, and combinations thereof. 1. A process of preparing a modified polyalkylene terephthalate from recycled polyethylene terephthalate , the process comprising:{'sub': 1', '8', '1', '8, 'forming a catalyst consisting of the reaction product of tetra(C-Calkyl) titanate and a complexing agent selected from the group phosphorus-containing compounds, nitrogen-containing compounds, boron-containing compounds, and combinations thereof, wherein the molar ratio of the complexing agent to the tetra(C-Calkyl) titanate is from 0.05 to less than or equal to 2:1;'}{'sub': 2', '20, 'depolymerizing the polyethylene terephthalate by combining the polyethylene terephthalate, in the presence of the catalyst, with a dihydric alcohol selected from the group C-Calkylene diols to obtain a molten mixture; and'}{'sub': 3', '20, 'polymerizing the molten mixture in the continued presence of the catalyst and C-Calkylene diol, which alkylene diol is added during or after depolymerisation such that the same or different alkylene diol can be present during depolymerization and polymerization, to yield modified polyalkylene terephthalate.'}2. The process of claim 1 , wherein the catalyst is made prior to depolymerisation.3. The process of claim 1 , wherein the catalyst is synthesized in situ claim 1 , prior to depolymerization of the polyethylene terephthalate claim 1 , by combining the tetra(C-Calkyl) titanate and complexing agent in the dihydric alcohol used to depolymerize the polyethylene terephthalate.4. The process of claim 1 , wherein the molar ratio of the phosphorus-containing compound:titanate is from 0.1:1 to ...

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30-01-2014 дата публикации

METHOD FOR PRODUCING WATER-ABSORBING RESIN

Номер: US20140031507A1
Принадлежит: Sumitomo Seika Chemicals Co., Ltd.

The invention provides a novel method for producing a water-absorbent resin comprising: subjecting at least one water-soluble ethylenic unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium, the reversed-phase suspension polymerization being conducted using a 0.00005 to 0.00016 mol of water-soluble azo initiator for radical polymerization per mol of the water-soluble ethylenic unsaturated monomer in the presence of 0.000015 to 0.00015 mol of hypophosphorous compound per mol of the water-soluble ethylenic unsaturated monomer. 1. A method for producing a water-absorbent resin comprising:subjecting at least one water-soluble ethylenic unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium,the reversed-phase suspension polymerization being conducted using 0.00005 to 0.00016 mol of water-soluble azo initiator for radical polymerization per mol of the water-soluble ethylenic unsaturated monomer to be used in the presence of 0.000015 to 0.00015 mol of hypophosphorous compound per mol of the water-soluble ethylenic unsaturated monomer to be used.2. The method for producing a water-absorbent resin according to claim 1 , wherein the water-soluble azo initiator for radical polymerization is at least one member selected from the group consisting of 2 claim 1 ,2′-azobis(2-amidinopropane)dihydrochloride claim 1 , 2 claim 1 ,2′-azobis{2-[1-(2-hydroxyethyl)-2-imidazolin-2-yl]propane}dihydrochloride claim 1 , and 2 claim 1 ,2′-azobis[N-(2-carboxyethyl)-2-methylpropioneamidine]tetrahydrate.3. The method for producing a water-absorbent resin according to claim 1 , wherein the hypophosphorous compound is at least one member selected from the group consisting of hypophosphorous acid and sodium hypophosphite.4. The method for producing a water-absorbent resin according to claim 1 , wherein the water-soluble ethylenic unsaturated monomer is at least one member selected from the ...

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06-02-2014 дата публикации

Biologically degradable polymeric composition with high deformability

Номер: US20140039096A1
Принадлежит: USTAV POLYMEROV SAV

The invention concerns a biologically degradable polymeric composition containing 5 to 95 wt % of polyhy droxyalkanoate and 95 to 5 wt % of polylactic acid or lactide with addition of 2 to 67 parts of plasticizer or mixture of plasticizers per 100 parts of the polymeric blend. The invention covers also composition containing 0.05 to 5 wt % of a reactive additive. Plasticizers are selected from chemicals, such as esters of citric acid, esters of glycerol, esters of phosphoric acid, esters of sebacic acid and other liquid organic low-molecular polyesters. The reactive additive is selected from a group of chemicals such as acrylic polymers, epoxidized acrylic polymers, diisocyanates and their derivatives, epoxidized oils, oligomeric copolymers of various monomers with glycidyl methacrylate and other species.

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13-02-2014 дата публикации

PHOSPHITE COMPOSITIONS

Номер: US20140045981A1
Принадлежит:

Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”. 1. A polymer stabilizing composition , comprising: 'wherein said one or more phosphite antioxidants comprise one or more solid tris(monoalkylaryl)phosphites, wherein the one or more solid tris(monoalkylaryl)phosphites is present in the composition in an amount exceeding 95 wt % with respect to the total amount of alkylaryl phosphite present in the composition; and', '(i) a first component comprising one or more phosphite antioxidants,'}(ii) a second component comprising an alkanolamine.3. The composition according to claim 2 , wherein R is selected from the group consisting of methyl claim 2 , ethyl claim 2 , propyl claim 2 , 2-methylpropyl and 2 claim 2 ,2-dimethylpropyl.4. The composition according to claim 2 , wherein the at least one tris(4-monoalkylaryl) phosphite of formula (I) is selected from the group consisting of tris(4-t-butylphenyl)phosphite and tris(4-t-amylphenyl)phosphite.5. The composition according to claim 2 , wherein 96 to 100% by weight of all phosphite antioxidants is one or more tris(4-monoalkylaryl)phosphite of formula (I).6. The composition according to claim 2 , wherein in the amine (b) each Ris independently selected from the group consisting of hydrogen claim 2 , straight or branched C-Calkyl and Ris a straight or branched C-Calkyl group.7. The composition according to wherein the amine is selected from the group consisting of triethanolamine claim 6 , tripropanolamine claim 6 , triisopropanolamine claim 6 , octyl-bis(2-ethanol)amine claim 6 , nonyl-bis(2-ethanol)amine claim 6 , decyl-bis(2-ethanol)amine claim 6 , undecyl-bis(2-ethanol)amine ...

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13-02-2014 дата публикации

Reactive resins for cable sealing compounds

Номер: US20140045993A1
Принадлежит: Evonik Roehm GmbH

The invention describes a composition, especially in the form of a 2-component system comprising (meth)acrylated polyether polyols and/or polyester polyols and/or (meth)acrylated hydroxy-functionalized triglycerides with an adjustable pot life, especially for cable potting compounds.

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13-02-2014 дата публикации

HYBRID POLYMERS

Номер: US20140046005A1

Described herein are polymers comprising a polyester and at least one polyhedral oligomeric silsesquioxane, wherein the polyester is capable of forming a stereocomplex with a polymer comprising a complimentary polyester and composites thereof. 1. A polymer comprising a polyester and at least one polyhedral oligomeric silsesquioxane , wherein the polyester is capable of forming stereocomplex with a polymer comprising a complimentary polyester.3. The polymer of claim 2 , the polyester comprises a substantially enantiomerically pure aliphatic polyester.4. The polymer of claim 2 , wherein the polyester comprises one of substantially pure poly(D-lactic acid) or poly(L-lactic acid).5. The polymer of claim 1 , wherein the polymer comprises about 1-20 polyhedral oligomeric silsesquioxanes.9. The polymer of claim 7 , wherein the polyester is terminated with a moiety selected from the group consisting of hydrogen claim 7 , alkyl claim 7 , alkenyl claim 7 , alkynyl claim 7 , aralkyl claim 7 , cycloalkyl claim 7 , cycloalkenyl claim 7 , heterocycloalkyl claim 7 , and heterocycloalkenyl; or has the formula CR(OCRCR)]—; wherein u is a whole number selected from 1-20; and R is independently selected from the group consisting of hydrogen claim 7 , alkyl claim 7 , alkenyl claim 7 , alkynyl claim 7 , aralkyl claim 7 , cycloalkyl claim 7 , cycloalkenyl claim 7 , heterocycloalkyl claim 7 , and heterocycloalkenyl.11. The polymer of claim 1 , wherein the polymer comprising a complimentary polyester comprises poly(D-lactic acid) or poly(L-lactic acid).12. The polymer of claim 1 , wherein the complimentary polyester is a polymer of claim 1 , poly(D-lactic acid) claim 1 , or poly(L-lactic acid).13. A stereocomplex comprising at least one polymer of .14. A composite comprising a stereocomplex and at least one matrix polymer claim 1 , wherein the stereocomplex comprises at least one polymer of .15. The composite of claim 1 , wherein the stereocomplex further comprises a second polymer of or ...

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20-02-2014 дата публикации

Biobased modifiers for polyvinylchloride blends

Номер: US20140051787A1
Принадлежит: Metabolix Inc

Compositions of polymer blends of polyvinylchloride (PVC) and polyhydroxyalkanoate (PHA) are described. In certain embodiments, the PHA is a poly-3-hydroxybutyrate-co-4-hydroxybutyrate copolymer having a weight percent 4-hydroxybutyrate of 30-45%. In other embodiments the PHA is a multiphase P3HB-4HB copolymer blend having one phase fully amorphous. The PHA is mixed with the PVC to optimize its optical, thermal and mechanical properties. In certain embodiments, the polymer is branched with optionally additives that improve properties. Methods of making the compositions of the invention are also described. The invention also includes articles, films and laminates comprising the compositions.

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06-03-2014 дата публикации

POLYLACTIC ACID COMPOSITION AND MOLDED ARTICLE THEREOF

Номер: US20140066555A1
Принадлежит:

A method for producing a composition including polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof. The composition includes 100 parts by weight of a resin component (component A) which is composed of 5 to 100 wt % of polylactic acid (component A-α) and 95 to 0 wt % of a thermoplastic resin (component A-β), 0.001 to 5 parts by weight of a phosphono-fatty acid ester (component B), 0.01 to 5 parts by weight of a phosphate metal salt (component C), 0.001 to 2 parts by weight of at least one antioxidant (component D) selected from the group consisting of a phosphite-based compound, a phosphonite-based compound, a hindered phenol-based compound and a thioether-based compound, and 0.001 to 10 parts by weight of an end-sealing agent (component E). 1. A method of producing a composition comprising the steps of:(i) melt kneading together composition-1 which comprises 100 parts by weight of poly-L-lactic acid (component A-α-1) and 0.001 to 3 parts by weight of a phosphono-fatty acid ester (component B) and composition-2 which comprises 100 parts by weight of poly-D-lactic acid (component A-α-2) and 0.001 to 3 parts by weight of a phosphono-fatty acid ester (component B) in the presence of 0.01 to 5 parts by weight of a phosphate metal salt (component C) based on 100 parts by weight of the total of the composition-1 and the composition-2 to prepare stereocomplex polylactic acid; and(ii) melt kneading together 100 parts by weight of a resin component (component A) which is composed of 5 to 100 wt % of the obtained stereocomplex polylactic acid (component A-α) and 95 to 0 wt % of a thermoplastic resin (component A-β), 0.001 to 2 parts by weight of at least one antioxidant (component D) selected from the group consisting of a phosphite-based compound, a phosphonite-based compound, a hindered phenol-based compound and thioether-based compound and 0.001 to 10 parts by weight of an end-sealing agent (component E).2. The ...

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06-03-2014 дата публикации

Molded Articles Made From A Translucent Polymer Composition

Номер: US20140066564A1
Принадлежит: Ticona LLC

A translucent polymer composition is described that contains a thermoplastic polymer combined with an impact modifier. The thermoplastic polymer may comprise a polyester copolymer that is substantially amorphous. The impact modifier may have a core and shell construction and may be configured so as to substantially match the refractive index of the polyester polymer. The polymer composition may also contain at least one stabilizer, an anti-scratch additive, a glitter-like additive, in addition to other components. In one embodiment, the polymer composition substantially blocks ultraviolet rays. In particular, the polymer composition can be formulated so that within the ultraviolet light wavelength range, the polymer composition displays 0% transmission or less. 1. A molded product comprising:{'sup': '2', 'an article molded from a polymer composition, the polymer composition comprising a substantially amorphous polyester polymer present in the composition in an amount sufficient to form a continuous phase, the polyester polymer comprising a polyalkylene terephthalate copolymer, the polymer composition further comprising an impact modifier and at least one stabilizer, the impact modifier being present in the polymer composition in an amount of at least about 15% by weight, the impact modifier having a refractive index that is within about 5% of a refractive index of the polyester polymer, the polymer composition having a maximum transmission within a wavelength range of from about 400 nm to about 900 nm of greater than about 60%, the polymer composition also having a notched Charpy impact strength at 23° C. of greater than about 3.5 kJ/m.'}2. A molded product as defined in claim 1 , wherein the polyester polymer comprises a polyethylene terephthalate glycol-modified copolymer containing cyclohexane dimethanol.3. A molded product as defined in claim 1 , wherein the polyester polymer comprises a polyethylene terephthalate glycol-modified copolymer containing neopentyl ...

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13-03-2014 дата публикации

MODIFIED POLYLACTIC ACID, POLYMERIC BLENDS AND METHODS OF MAKING THE SAME

Номер: US20140072746A1
Принадлежит: FINA TECHNOLOGY, INC.

Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof. 125-. (canceled)26. A process for forming a polymeric composition comprising:contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof; andcontacting the polylactic acid and the reactive modifier with a polyolefin to produce a polyolefin-polylactic acid blend, wherein the polyolefin exhibits a melt flow rate of less than about 6 dg/min.27. The process of claim 26 , wherein the polyolefin exhibits a melt flow rate ranging from about 0.5 dg/min. to about 6 dg/min.28. The process of claim 26 , wherein the polylactic acid is selected from poly(D-lactide) claim 26 , poly(L-lactide) claim 26 , poly(DL-lactide) claim 26 , and combinations thereof.29. The process of claim 26 , wherein the polylactic acid has a concentration of from about 2 wt. % to about 98 wt. % based on the total weight of the polymeric composition.30. The process of claim 26 , wherein the reactive modifier contacts the polylactic acid in a concentration of from about 2 wt. % to about 30 wt. % based on the total weight of the polymeric composition.31. The process of claim 26 , wherein the reactive modifier is an epoxy-functionalized polybutadiene oligomer.32. The process of claim 31 , wherein the epoxy-functionalized polybutadiene oligomer has a number average molecular weight in a range from about 500 g/mol to about 20000 g/mol.33. The process of claim 26 , wherein the reactive modifier is an ionic monomer.34. The process of claim 33 , wherein the ionic monomer is an organometallic salt having acrylate functional groups.35. The process of claim 26 , wherein the polyolefin is selected from polypropylene claim 26 , polyethylene claim 26 , copolymers thereof and ...

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