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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 29167. Отображено 100.
12-11-2021 дата публикации

Седло для клапана сигнального с дисковым затвором

Номер: RU0000207724U1

Полезная модель относится к пожарной технике, применима в клапанах сигнальных с дисковыми затворами прямоточного типа узлов управления спринклерных водозаполненных автоматических установок пожаротушения.Седло для клапана сигнального с дисковым затвором выполнено из двух частей и состоит из первой полой цилиндрической втулки, выполненной из композиционного материала и имеющей утоненную снаружи нижнюю часть с выполненной на ней резьбой, и из второй втулки полой армирующей, сопрягаемой по резьбе с первой втулкой, при этом вторая втулка выполнена с внутренней кольцевой ступенью, обеспечивающей возможность опоры на нее первой полой цилиндрической втулки, и с возможностью герметизации резьбового соединения посредством анаэробного герметика. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 207 724 U1 (51) МПК F16K 1/42 (2006.01) C08L 77/00 (2006.01) C08G 75/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК F16K 1/42 (2021.05); C08L 77/00 (2021.05); C08G 75/00 (2021.05) (21)(22) Заявка: 2021102711, 04.02.2021 (24) Дата начала отсчета срока действия патента: Дата регистрации: 12.11.2021 (45) Опубликовано: 12.11.2021 Бюл. № 32 (54) СЕДЛО ДЛЯ КЛАПАНА СИГНАЛЬНОГО С ДИСКОВЫМ ЗАТВОРОМ (57) Реферат: Полезная модель относится к пожарной имеющей утоненную снаружи нижнюю часть с технике, применима в клапанах сигнальных с выполненной на ней резьбой, и из второй втулки дисковыми затворами прямоточного типа узлов полой армирующей, сопрягаемой по резьбе с управления спринклерных водозаполненных первой втулкой, при этом вторая втулка автоматических установок пожаротушения. выполнена с внутренней кольцевой ступенью, Седло для клапана сигнального с дисковым обеспечивающей возможность опоры на нее затвором выполнено из двух частей и состоит из первой полой цилиндрической втулки, и с первой полой цилиндрической втулки, возможностью герметизации резьбового выполненной из композиционного материала и соединения посредством анаэробного ...

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26-01-2012 дата публикации

High pressure balloon

Номер: US20120018090A1
Принадлежит: Boston Scientific Scimed Inc

Composite fiber reinforced balloons for medical devices are prepared by applying a web of fibers to the exterior of a preformed underlayer balloon, encasing the web with a matrix material to form an assembly, and inserting the assembly into a preformed outer layer balloon to form the composite balloon.

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26-01-2012 дата публикации

Partially aromatic polyamide moulding compositions and their uses

Номер: US20120022194A1
Принадлежит: EMS PATENT AG

An unreinforced, halogen-free polyamide moulding composition which is provided with flame retardants and from which it is possible to produce electric and/or electronic components which can be reliably soldered, i.e. in particular without blisters being formed in the soldering process, in particular at 260° C. and possibly higher temperatures after water absorption and in the case of critical designs of the components, and which have an elongation at break of at least 5% and reliably achieve the UL94 classification V0. These polyamide moulding compositions have the following composition: (A) 62-87% by weight of a partially aromatic, partially crystalline copolyamide having a melting point of 270° C. to 320° C. and made up of 100% by weight of diacid fraction composed of: 50-100% by weight of terephthalic acid (TPA) and/or naphthalenedicarboxylic acid; 0-50% by weight of isophthalic acid (IPA), and 100% by weight of diamine fraction composed of at least one diamine selected from the group consisting of: butanediamine, pentanediamine, hexanediamine, octanediamine, methyloctanediamine, nonanediamine, decanediamine, undecanediamine and dodecanediamine; (B) 5-15% by weight of ionomer; (C) 8-18% by weight of flame retardants; (D) 0-5% by weight of additives; where the components (A)-(D) add up to 100% by weight.

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02-02-2012 дата публикации

Low-staining room temperature curable coating composition

Номер: US20120029140A1
Принадлежит: Daikin Industries Ltd

The present invention provides a low-staining room temperature curable coating composition having an excellent low-staining property and recoatability, and comprising (A) a hydroxyl-containing resin, (B) an isocyanate based curing agent, (C) an organosilicate based hydrophilizing agent, (D) a recoatability modifier and (E) an organic solvent, in which the recoatability modifier (D) comprises at least (D1) an amide-containing polymer and (D2) a silane coupling agent.

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23-02-2012 дата публикации

Salt resistant polyamide compositions

Номер: US20120046398A1
Автор: Georgios Topoulos
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a thermoplastic composition including: a) 20 to 35 weight percent poly(decamethylene decanediamide), b) 50 to 65 weight percent poly(hexamethylene decanediamide), and c) 8 to 15 weight percent of sulfonamide plasticizer. wherein the sulfonamide plasticizer is one or more sulfonamides selected from the group consisting of N-butylbenzenesulfonamide, N-(2-hydroxypropyl)benzenesulfonamide, N-ethyl-o-toluenesulfonamide, N-ethyl-p-toluenesulfonamide, o-toluenesulfonamide, and p-toluenesulfonamideone.

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15-03-2012 дата публикации

Thermoplastic polymer composition and molded product

Номер: US20120065332A1
Принадлежит: Techno Polymer Co Ltd

A thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property containing (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer of (B1) a hard segment block with at least one of a polyamide, polyester, polyolefin or polyurethane, and (B2) a soft segment block having an ether bond.

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22-03-2012 дата публикации

Stone based copolymer substrate

Номер: US20120071574A1
Автор: Mathew D. MacLeod
Принадлежит: Green Folks and MacLeod LLC

A stone based copolymer substrate includes calcium carbonate (CaCO3) from approximately fifty to eighty-five percent (50-85%) by weight and varying in size generally from 1.0 to 3.0 microns, high-density polyethylene (HDPE) from approximately two to twenty-five percent (2-25%) by weight and a biopolymer from approximately two to twenty-five percent (2-25%) by weight. The substrate may include a biodegradation additive from approximately three fourths of a percent to two percent (0.75-2%) by weight. By selectively adjusting the ranges of the substrate's components, various products can be made to replace current tree-based and plastic-based products. The substrate can be configured to be tear proof, water proof, fade resistant and fire retardant while utilizing less energy and producing less waste during its manufacture. In an exemplary embodiment of the invention, the stone used in the substrate includes limestone.

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19-04-2012 дата публикации

Transparent films

Номер: US20120094102A1
Принадлежит: DSM IP ASSETS BV

The invention relates to an optically transparent polymer film or extrudate product made of a polymer composition comprising a semi-crystalline polyamide having a melting temperature of at least 270° C. or a blend of the semi-crystalline polyamide (A) and a second polymer (B), and optionally at least one additive, wherein the semi-crystalline polyamide (A) is present in an amount of more than 50 wt. %, relative to the total weight of the polymer composition, the polymer composition in the optically transparent polymer film or extrudate product has a melting temperature (Tm-C) in the range of 270-340 ° C., and wherein the film or a part of the extrudate product has a haze of less than 12% and a light transmittance, of at least 88% measured with the method according to ASTM D1003A.

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19-04-2012 дата публикации

Dopo flame retardant compositions

Номер: US20120095140A1
Автор: Michael Roth
Принадлежит: Individual

The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.

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10-05-2012 дата публикации

Golf ball compositions

Номер: US20120115635A1
Принадлежит: Acushnet Co

Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula H≧ 11.889 Ln( M )+47, where H is the hardness of the composition, in JIS-C, and M is the flexural modulus of the composition, in ksi; or a softness/stiffness relationship represented by the formula if M <110, then H ≧8.5218 Ln( M )+ 32.5 if M≧110, then H≧72.5, where H is the hardness of the composition, in Shore D, and M is the flexural modulus of the composition, in ksi.

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17-05-2012 дата публикации

Method and system for surface adhesive rule technology

Номер: US20120121802A1
Принадлежит: HIGHCON SYSTEMS LTD

A surface-adhesive-rule technology (SART) method and system for creating a surface-adhesive-rule die and counter die for pre-treating cardboard. Wherein the pre-treating comprises: creasing and/or cutting and/or embossing the cardboard. The SART system may comprise: a rule-drawer having one or more cartridges, one or more nozzles, and one or more pressure actuator; a leading mechanism that carries the rule-drawer; and a controller that controls the rule-drawer and the leading mechanism according to a layout of a surface-adhesive-rule die. Each cartridge may comprise flexible materiel and may be associated with one of the nozzles having an orifice with a profile. Further the leading mechanism moves the rule-drawer and the rule-drawer draws a plurality of surface-adhesive rules from the flexible material having an attribute to reserve the shape of the orifice profile through which it is deposited on the surface of a die's body according to commands obtained from the controller.

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24-05-2012 дата публикации

Poly(Ester Amide)s and Poly(Ester Ether Amide)s With Pendant Crosslinkable Functional Groups

Номер: US20120130020A1
Автор: Chih-Chang Chu, Xuan Pang
Принадлежит: CORNELL UNIVERSITY

Amino-acid based poly(ester amide) (PEA) or poly(ester ether amide) (PEEA) polymers having pendant cross-linkable functional groups. The polymers can be cross-linked to form a hydrogel. These polymers can be used in biomedical applications.

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07-06-2012 дата публикации

Process for polymerizing lactam

Номер: US20120141791A1
Принадлежит: BASF SE

The present invention relates to a novel process for the anionic polymerization of lactam monomers.

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14-06-2012 дата публикации

Thermally stable biuret and isocyanurate based surface modifying macromolecules and uses thereof

Номер: US20120148774A1
Принадлежит: Interface Biologics Inc

The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

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14-06-2012 дата публикации

Recycled building material and method thereof

Номер: US20120149790A1
Автор: L. Richard Peng
Принадлежит: Individual

The present invention provides a recycled building material such as roof/Geo membrane that comprises (i) a polyolefin, (ii) a polymer containing a carboxyl group or a hydroxyl group, and (iii) a compatabilizer for the components (i) and (ii) which contains an epoxy group or an anhydride group. The present invention also provides a method of recycling building material as well as an article of manufacture such as a TPO membrane using the recycled building material. The TPO membrane has gained better physical properties such as consistent product quality, tensile strength, tear strength, wind resistance, and avoidance of tedious screening processes, among others.

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28-06-2012 дата публикации

Foam of polymers

Номер: US20120165423A1
Принадлежит: Teijin Aramid Bv

Described herein are foams of polymers and methods of making and using thereof. In certain aspects, the polymer foams include vacuum or gas-filled compartments formed by making a solution of 1 to 20% by weight of a polymer in a solvent; adding particles to the a polymer solution; solidifying the polymer wherein the particles are contained by heating, cooling, aging, or coagulating to obtain a polymer foam or matrix comprising the particles, and obtaining from the polymer matrix the polymer foam containing the compartments; and optionally washing, drying, and/or heating the polymer foam.

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12-07-2012 дата публикации

Polyamide resin composition

Номер: US20120177937A1
Принадлежит: Mitsubishi Gas Chemical Co Inc

Disclosed is a polyamide resin composition, including: a polyamide (A) containing a diamine unit including 70 mol % or more of a p-xylylenediamine unit and a dicarboxylic acid unit including 70 mol % or more of a linear aliphatic dicarboxylic acid unit having 6 to 18 carbon atoms; and a filler (B), in which the polyamide (A) includes a polyamide having a phosphorus atom concentration of 50 to 1,000 ppm and a YI value of 10 or less in a color difference test in accordance with JIS-K-7105, and a content of the filler (B) is 1 to 200 parts by mass with respect to 100 parts by mass of the polyamide (A).

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19-07-2012 дата публикации

Hydrolysis-resistant polyamides

Номер: US20120184664A1
Принадлежит: BASF SE

Thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of a thermoplastic polyamide, B) from 0.1 to 20% by weight of a terpolymer obtainable via copolymerization of (B1) from 1 to 70% by weight of at least one electron-deficient olefin, (B2) from 0 to 85% by weight of at least one olefin which, at its olefinic double bond, bears only hydrogen atoms and/or carbon atoms without electron-withdrawing substituents, and (B3) from 1 to 99% by weight of at least one alkoxyvinylsilane, C) from 0 to 50% by weight of a fibrous or particulate filler or a mixture of these, D) from 0 to 50% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.

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02-08-2012 дата публикации

Melt-blended thermoplastic composition

Номер: US20120196973A1
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a melt-blended thermoplastic composition including: A) a polyamide composition including a) 55 to 90 weight percent semi-crystalline semi-aromatic copolyamide; wherein the semi-aromatic copolyamide has a DMA tan delta peak value of greater than or equal to 0.23; and heat of fusion of at least 20 J/g and b) 10 to 45 weight percent aliphatic homopolyamide; wherein the aliphatic homopolyamide has a DMA tan delta peak value of less than or equal to 0.21; and heat of fusion of at least 30 J/g; B) 0 to 45 weight percent polymeric toughener; C) 0 to 20 weight percent plasticizer; and D) 0 to 45 weight percent reinforcing agent; wherein said melt-blend composition has a glass transition and has a tan delta peak (E″/E′) value of 0.21 or lower at said glass transition. Further disclosed herein is a method for providing the melt-blended thermoplastic composition.

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09-08-2012 дата публикации

Polymer composition comprising polyamide and ionomer

Номер: US20120202940A1
Принадлежит: EI Du Pont de Nemours and Co

Disclosed in a composition comprising at least one ionomer (A) and at least one blend comprising at least one polyamide and at least one ionomer (B) wherein the polyamide is an aliphatic polyamide and the ionomer (B) is a copolymer of ethylene, an α, β-unsaturated C 3 -C 8 carboxylic acid, at least one ethylenically unsaturated dicarboxylic acid or derivative thereof, and optionally an alkyl (meth)acrylate.

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16-08-2012 дата публикации

Fine fiber media layer

Номер: US20120204527A1
Принадлежит: Donaldson Co Inc

Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.

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16-08-2012 дата публикации

Compound, resin composition, and resin molded article

Номер: US20120204755A1
Автор: Kenji Yao
Принадлежит: Fuji Xerox Co Ltd

Disclosed is a compound represented by formula (1): wherein R 1 and R 3 each independently represent an alkylene group having 1 to 10 carbon atoms or an arylene group; R 2 and R 4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group; and l, n and m each independently represent a natural number of 1 to 3.

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23-08-2012 дата публикации

Golf ball

Номер: US20120214614A1
Принадлежит: Mizuno Corp

An object of the present invention is to provide a golf ball having excellent scuff resistance and spin performance, and a satisfactory rebound property. The golf ball has a core 3, an intermediate layer 5 covering the core 3, an inner cover 7 covering the intermediate layer 5, and an outer cover 15 covering the inner cover 7, wherein the outer cover 15 includes a neutralized product containing an ethylene-unsaturated carboxylic acid-alkyl(meth)acrylate ternary copolymer having a weight average molecular weight (Mw) of 80,000 to 500,000 and an ethylene-acrylic acid or ethylene-methacrylic acid copolymer having a weight average molecular weight (Mw) of 2,000 to 30,000, and the inner cover 7 also includes the neutralized product.

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23-08-2012 дата публикации

Process for producing thermoplastic elastomer composition

Номер: US20120214943A1
Принадлежит: Yokohama Rubber Co Ltd

Disclosed is a process for producing a thermoplastic elastomer composition having a matrix phase comprising a polyamide and an ethylene/vinyl alcohol copolymer and a disperse phase comprising a rubber composition, by which gelation by a reaction between a polyamide and an ethylene/vinyl alcohol copolymer can be inhibited and the dispersion of the rubber composition can be good. In the process, the polyamide resin and the rubber composition are melt-blended to the extent necessary for the rubber composition to form a disperse phase, and then the ethylene/vinyl alcohol copolymer is added and further melt-blended together.

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06-09-2012 дата публикации

Transparent or translucent extruded polyamide

Номер: US20120223453A1
Принадлежит: Arkema Inc

The invention relates to a process for forming an extruded transparent or translucent polyamide article including melt calendering to improve the physical properties and optical clarity. The polyamide article is a sheet, film, or profile.

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13-09-2012 дата публикации

Reflector for light-emitting device, and light-emitting device

Номер: US20120228564A1
Принадлежит: Asahi Kasei Chemicals Corp, Nichia Corp

The present invention relates to a reflector for a light-emitting device consisting of (A) an polyamide composition comprising a polyamide polymerized from (a) a dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and (b) a diamine comprising at least 50 mol % of a diamine with a branched main chain.

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13-09-2012 дата публикации

Fiber, fiber aggregate and adhesive having the same

Номер: US20120231260A1

Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

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13-09-2012 дата публикации

Fiber, fiber aggregate and adhesive having the same

Номер: US20120231689A1

Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

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20-09-2012 дата публикации

Durable polyoxymethylene composition

Номер: US20120238680A1
Автор: Chi-En Lin, Jung-Pao Chang
Принадлежит: MIN AIK Tech CO Ltd

A durable polyoxymethylene composition includes a polyoxymethylene copolymer with 1,3-dioxolane as a comonomer, a lubricant, an inorganic filler, a nucleating agent including a sodium salt, a stabilizer, an anti-static agent. A ramp is made of the durable polyoxymethylene. The ramp and the durable polyoxymethylene have excellent micro-wear-resistant property.

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27-09-2012 дата публикации

Farnesene interpolymers

Номер: US20120244304A1
Автор: Derek James Mcphee
Принадлежит: Amyris Inc

Farnesene interpolymer comprises units derived from a farnesene (e.g., α-farnesene or β-farnesene) and units derived from at least one vinyl monomer. The farnesene interpolymer can be prepared by copolymerizing the farnesene and at least one vinyl monomer in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism. In other embodiments, the at least one vinyl monomer is ethylene, an α-olefin, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

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27-09-2012 дата публикации

Semi-aromatic, semi-crystalline copolyamides

Номер: US20120245283A1
Принадлежит: BASF SE

Semiaromatic, semicrystalline copolyamide molding compositions, comprising A) from 35 to 100% by weight of a copolyamide composed of a 1 ) from 35 to 69% by weight of units which derive from hexamethylenediamine and from an aromatic dicarboxylic acid having from 8 to 16 carbon atoms, a 2 ) from 31 to 65% by weight of units which derive from 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane and from terephthalic acid, a 3 ) from 0 to 30% by weight of units of a semicrystalline polyamide different from a 1 ) and a 2 ), B) from 0 to 65% by weight of further additives, where the total of the percentages by weight of A) and B) is 100%.

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04-10-2012 дата публикации

Stabilizer composition for filled polymers and nanocomposites

Номер: US20120252931A1
Автор: Rudolf Pfaendner
Принадлежит: BASF SE

The present invention relates to a stabilizer composition comprising a phenolic antioxidant and/or a processing stabilizer together with selected glycidyl(meth)acrylate copolymers and a filled thermoplastic polymer, in particular a nanocomposite. Further aspects of the invention are a process for the stabilization of filled thermoplastic polymers, in particular nanocomposites with a phenolic antioxidant and/or a processing stabilizer together with selected glycidyl(meth)acrylate copolymers and the use of such a composition for the stabilization of filled thermoplastic polymers, in particular nano-composites.

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08-11-2012 дата публикации

Antistatic thermoplastic compositions

Номер: US20120283367A1
Принадлежит: BASF SE

The instant invention pertains to the use of an antistatic composition comprising a polar thermoplastic polymer and an ionic liquid as antistatic additive for non-polar thermo-plastic or elastomeric polymers. Further aspects of the invention are a process for the preparation of an antistatic non-polar thermoplastic or elastomeric polymer which process comprises incorporating therein a mixture of a polar thermoplastic polymer and an ionic liquid and the composition of a polar thermoplastic polymer, an ionic liquid and a non-polar thermoplastic or elastomeric polymer.

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15-11-2012 дата публикации

Flame-retardant thermoplastic molding composition

Номер: US20120289634A1
Автор: Alexander König
Принадлежит: BASF SE

The invention relates to a thermoplastic molding composition comprising a) from 30 to 95% by weight of at least one aliphatic polyamide or copolyamide, as component A, b) from 1 to 15% by weight of at least one cyclic phenoxyphosphazene having at least 3 phenoxyphosphazene units, as component B, c) from 3 to 20% by weight of at least one (di)phosphinate salt, as component C, d) from 1 to 15% by weight of at least one reaction product of melamine with a phosphorus acid, as component D, e) from 0 to 5% by weight of at least one metal borate, as component E, f) from 0 to 20% by weight of at least one impact-modifying polymer, as component F, g) from 0 to 50% by weight of glass fibers, as component G, and h) from 0 to 30% by weight of further additives, as component H, where the total amount of components A to H gives 100% by weight.

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15-11-2012 дата публикации

Copolymerized polyamide resin, method for producing same, resin composition, and molded article formed from the copolymerized polyamide resin or the resin composition

Номер: US20120289643A1
Принадлежит: Mitsubishi Gas Chemical Co Inc

A copolyamide resin for molding including a diamine component which includes two or more diamines and a dicarboxylic acid component. The diamine component includes 70 mol % or more of a xylylenediamine which includes 20 mol % or more of p-xylylenediamine and the dicarboxylic acid component includes 70 mol % or more of a straight-chain aliphatic dicarboxylic acid having 6 to 18 carbon atoms. The copolyamide resin contains particles having a major diameter of 50 μm or more in an amount of 1000 particles/g or less, the particles being made of a polyamide having a melting point higher than that of the copolyamide resin by 20° C. or more when measured by a differential scanning calorimetry. The copolyamide resin has very uniform and stable properties and is excellent in any of mechanical properties, heat resistance, chemical and physical properties, and molding properties. An efficient production method of the copolyamide resin, its resin composition, and its molded article are also described.

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29-11-2012 дата публикации

Titanium/titanium alloy-and-resin composite and method for making the same

Номер: US20120301690A1

A titanium/titanium alloy-and-resin composite includes a titanium/titanium alloy substrate, a nano-porous oxide film formed on the substrate, and resin compositions coupled to the surface of the nano-porous oxide film. The nano-porous oxide film has nano pores and includes at least two layers of different three dimensional meshed structures. The resin compositions contain crystalline thermoplastic synthetic resins. A method for making the titanium/titanium alloy-and-resin composite is also described.

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06-12-2012 дата публикации

Curable biopolymer nanoparticle latex binder for mineral, natural organic, or synthetic fiber products and non-woven mats

Номер: US20120309246A1
Принадлежит: Individual

A curable aqueous binder composition includes a dispersion of biopolymer particles, optionally with and an inter-particle crosslinking agent, for use in the formation of composite materials such as mineral, natural organic, or synthetic fiber products, including mineral fiber insulation, non-woven mats, fiberglass insulation and related glass fiber products, and wood based products, and construction materials. In an application of the curable aqueous composition to making fiberglass insulation, the composition may be blended with a second resin which may be a non-formaldehyde resin. In an application of the composition to making fiberglass roofing shingles, the biopolymer particles may be mixed into a formaldehyde based resin during or after the polymerization of the resin.

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06-12-2012 дата публикации

Process for Preparing Amide Gellant Compounds with Aromatic End Groups

Номер: US20120309924A1
Принадлежит: Xerox Corp

Disclosed is a process for preparing a compound of the formula wherein R 1 and R 1 ′, R 2 and R 2 ′, and R 3 are as defined herein, said process comprising (I) reacting a diacid of the formula HOOC—R 2 —COOH with a diamine of the formula H 2 N—R 3 —NH 2 to form an acid-terminated oligoamide intermediate of the formula HOOC—R 2 —CONH—R 3 —HNCO—R 2 ′—COOH; and (II) reacting the acid-terminated oligoamide intermediate with a monoalcohol of the formula R 1 —OH in the presence of a tin or organic titanate catalyst, in the absence of a coupling agent, and in the absence of a solvent to form the product. Also disclosed is a composition prepared by the process.

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13-12-2012 дата публикации

Biodegradable composition comprising polymers of natural origin and aliphatic-aromatic copolyesters

Номер: US20120316257A1
Автор: Catia Bastioli
Принадлежит: Novamont SpA

The present invention relates to a biodegradable composition comprising at least one polymer of natural origin and at least one aliphatic-aromatic copolyester obtained starting from mixtures comprising aliphatic diols, polyfunctional aromatic acids, and at least two aliphatic dicarboxylic acids, at least one of which is long chain. Said composition combines improved biodegradability, excellent mechanical properties, a high level of industrial processability, limited environmental impact as well as stability of physical properties under the influence of environmental factors.

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27-12-2012 дата публикации

Method for increasing the recyclability of a polyamide used in sintering

Номер: US20120329932A1
Принадлежит: Arkema France SA

The present invention relates to a method for increasing the recyclability of a polyamide in a sintering process, wherein at least 4000 ppm of at least one acid is incorporated in the polyamide, said acid being selected from: the acids of general formula HxPyOz in which x, y and z are integers selected in the range from 1 to 7, boric acid, the salts of these acids, their esters, their anhydrides and mixtures thereof.

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17-01-2013 дата публикации

Semiaromatic polyamide and method for producing same

Номер: US20130018166A1
Принадлежит: Unitika Ltd

The semiaromatic polyamide of the present invention includes a terephthalic acid component and a diamine component, wherein the diamine component is any of 1,8-octanediamine, 1,10-decanediamine and 1,12-dodecanediamine, and the proportion of the triamine unit in relation to the diamine unit in the polyamide is 0.3 mol % or less.

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24-01-2013 дата публикации

Bio-Polymers In Multicomponent Fibers

Номер: US20130023608A1
Принадлежит: Procter and Gamble Co

Multicomponent fibers comprising bio-based thermoplastic polymers, and optionally thermoplastic starch are disclosed. Also disclosed are nonwoven webs and articles formed from these fibers.

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31-01-2013 дата публикации

Hose for refrigerant transport use

Номер: US20130025733A1
Принадлежит: Individual

A hose for refrigerant transport use comprising an inner layer with superior deterioration resistance performance. The innermost layer comprised in the hose for refrigerant transport use of the present invention is formed using a polyamide resin composition comprising a polyamide and, per 100 parts by mass thereof, from 0.5 to 20 parts by mass of an acid acceptor.

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31-01-2013 дата публикации

Thermoplastic elastomer composition and pneumatic tire using same

Номер: US20130025757A1
Принадлежит: Yokohama Rubber Co Ltd

Provided is a thermoplastic elastomer composition that can be suitably used for the inner liners of pneumatic tires and exhibits high air barrier properties and high fatigue durability. The present invention is a thermoplastic elastomer composition comprising a thermoplastic resin composition and a rubber composition dispersed in the thermoplastic resin composition, wherein the thermoplastic resin composition comprises a polyamide and an ethylene-vinyl alcohol copolymer or a poly(vinyl alcohol), the rubber composition comprises a halogenated isoolefin-p-alkylstyrene copolymer and is cross inked. The thermoplastic resin composition preferably comprises 1 to 25% by weight of the ethylene-vinyl alcohol copolymer or the poly(vinyl alcohol). The thermoplastic elastomer composition preferably comprises 100 parts by weight of the thermoplastic resin composition and 80 to 200 parts by weight of the halogenated isoolefin-p-alkylstyrene copolymer.

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14-02-2013 дата публикации

Polyamide compound

Номер: US20130041128A1
Принадлежит: Mitsubishi Gas Chemical Co Inc

A polyamide compound containing from 25 to 50 mol % of a diamine unit that contains at least 50 mol % of an alicyclic diamine unit represented by the following general formula (I); from 25 to 50 mol % of a dicarboxylic acid unit that contains a linear aliphatic dicarboxylic acid unit represented by the following general formula (II-1) and/or an aromatic dicarboxylic acid unit represented by the following general formula (II-2) in an amount of at least 50 mol % in total; and from 0.1 to 50 mol % of a constituent unit represented by the following general formula (III): wherein, in the formulae, n indicates an integer of from 2 to 18; Ar represents an arylene group; and R represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.

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21-02-2013 дата публикации

Polyamide Resin

Номер: US20130046074A1
Принадлежит: UBE Industries Ltd

This is to provide a polyamide resin which can sufficiently ensure all of a relative viscosity ηr (high degree of polymerization), moldable temperature range estimated from a temperature difference (Td−Tm), heat resistance estimated from a melting point Tm, melt moldability estimated from a temperature difference (Tm−Tc), and low water absorbability as compared with the conventional polyoxamide resin. This is a polyamide resin comprising a dicarboxylic acid-derived unit and a diamine-derived unit being bonded, wherein the above-mentioned dicarboxylic acid contains oxalic acid (Compound A), and the above-mentioned diamine contains 1,6-hexanediamine (Compound B) and 2-methyl-1,5-pentanediamine (Compound C).

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28-02-2013 дата публикации

Method for the preparation of (polybutylene-co-adipate terephthalate) through the in situ phosphorus containing titanium based catalyst

Номер: US20130053461A1
Принадлежит: SABIC INNOVATIVE PLASTICS IP BV

Biodegradable compositions containing an aliphatic-aromatic copolyester derived from aromatic polyesters. Methods of making the compositions through an in situ phosphorus containing titanium based catalyst and articles made from the compositions.

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28-02-2013 дата публикации

Wax and method for producing same

Номер: US20130053490A1
Принадлежит: Kyoeisha Chemical Co Ltd

Disclosed is a wax that is added to a thermoplastic resin that undergoes a molding process at high temperatures. The wax does not thermally decompose when that thermoplastic resin composition undergoes the molding process. The wax also prevents mold fouling and provides superior lubricating properties and mold release properties. Also disclosed are a method for producing the wax with superior productivity, a lubricant and mold release agent for thermoplastic resin molding processes. The wax contains a dehydration condensed amide wax component. 99.98-5% by weight of which is an acid, which is formed from 2 mol of a C 12-22 saturated aliphatic monocarboxylic acid by molar ratio and “a” mole of a C 2-12 polybasic acid by molar ratio (0≦“a”≦5), and “b” mole of a C 2-14 diamine by molar ratio (1≦“b”≦6), and 0.02-5% by weight of an oxidation inhibitor that has compatibility with this amide wax component.

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28-02-2013 дата публикации

Composite wheel for a vehicle

Номер: US20130053500A1
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a injection molded composite wheel, including a thermoplastic polyamide composition consisting essentially of (A) 20 to 70 weight percent of at least one polyamide resin including at least one repeat unit selected from the group consisting of the formulas —C(O)(CH 2 ) 10 C(O)NH(CH 2 ) n NH—  (I), —C(O)(CH 2 ) 12 C(O)NH(CH 2 ) n NH—  (II), —C(O)(CH 2 ) 14 C(O)NH(CH 2 ) n NH—  (III), and —C(O)(CH 2 ) 16 C(O)NH(CH 2 ) n NH—  (IV); wherein n is an integer selected from 4, 6, and 10, and with the proviso that when the polyamide resin has repeat units of formula (I), at least one other repeat unit of formula (II)-(IV) is also present in at least 30 mol % content; (B) 20 to 65 weight percent of one or more fiber reinforcing agents, and (C) 0 to 20 weight percent of one or more polymer impact modifiers.

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28-02-2013 дата публикации

Recycled thermoplastic with toughener

Номер: US20130053503A1
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a thermoplastic composition including a) a recycled thermoplastic including polyamide resin, polyolefin and mineral filler, wherein the recycled thermoplastic includes at least 60 weight percent content of recycled polyamide selected from the group consisting of polyamide 66, polyamide 6, blends of polyamide 66 and polyamide 6, and copolymers having repeat units of polyamide 66 and polyamide 6; and at least 1 weight percent content of polyolefin; b) polymer toughener, wherein the polymer toughener includes at least 50 to 85 weight percent non-functionalized rubber and 15 to 50 weight percent of a functionalized rubber; and c) 10 to 50 reinforcing agent having a minimum aspect ratio of 3; and molded articles manufactured therefrom.

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14-03-2013 дата публикации

Polyacetal resin composition

Номер: US20130062550A1
Принадлежит: Mitsubishi Gas Chemical Co Inc

A polyacetal resin composition obtained by compounding 0.01 to 10.0 parts by weight of sterically hindered phenol (B) and 0.001 to 5 parts by weight of magnesium hydroxide (C) having a BET specific surface area of 20 m 2 /g or lower and an average particle diameter of 2 μm or less relative to 100 parts by weight of a polyacetal resin (A).

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14-03-2013 дата публикации

Polyamide resin-type composite material and method of producing same

Номер: US20130062806A1
Автор: Jun Mitadera
Принадлежит: Mitsubishi Gas Chemical Co Inc

A xylylenediamine-based polyamide resin/fiber composite material and molding are provided that do not exhibit a decline in properties under high temperatures and high humidities, and that exhibit a high elastic modulus and present little warping, and exhibit better recycle characteristics, a better moldability, and a better productivity than for thermosetting resins. The polyamide resin-type composite material comprises a fibrous material (B) impregnated with a polyamide resin (A) wherein at least 50 mole % of diamine structural units derived from xylylenediamine, and having a number-average molecular weight (Mn) of 6,000 to 30,000, and containing a component of a molecular weight of not more than 1,000 at 0.5 to 5 mass %.

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21-03-2013 дата публикации

HEAT RESISTANT THERMOPLASTIC ARTICLES INCLUDING POLYHYDROXY POLYMERS

Номер: US20130072608A1
Принадлежит: E I DU PONT DE MEMOURS AND COMPANY

Disclosed is a molded or extruded thermoplastic article, including a thermoplastic polyamide composition including (a) a polyamide resin; (b) one or more polyhydroxy polymer(s); (c) one or more co-stabilizer(s); (d) one or more reinforcement agents; (e) and, optionally, a polymeric toughener. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. A molded or extruded thermoplastic article , comprising a thermoplastic polyamide composition comprising(a) a polyamide resin having a melting point and/or glass transition temperature;(b) 1 to 10 weight percent of one or more polyhydroxy polymer(s) having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene/vinyl alcohol copolymers;(c) 0.1 to 3 weight percent of one or more co-stabilizer(s) having a 10% weight loss temperature, as determined by thermogravimetric analysis, of greater than 30° C. below said melting point of said polyamide resin if said melting point is present, or at least 250° C. if said melting point is not present, selected from the group consisting of secondary aryl amines, hindered amine light stabilizers, hindered phenols, and mixtures thereof;(d) 10 to about 60 weight percent of one or more reinforcement agents; and(e) 0 to 20 weight percent of a polymeric toughener comprising a reactive functional group and/or a metal salt of a carboxylic acid; wherein all weight percentages are based on the total weight of the polyamide composition; wherein molded 4 mm test bars prepared from said polyamide composition, and exposed at a test temperature at 170° C. for a test period of 500 hours, in an atmosphere of air, and tested according to ISO 527-2/1A, have, on average, a retention of tensile strength of at least 50 percent, as compared with that of an unexposed control of identical composition and shape; and ...

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21-03-2013 дата публикации

HEAT/LIGHT-STABILIZED POLYAMIDE COMPOSITIONS

Номер: US20130072616A1
Автор: PEDUTO Nicolangelo
Принадлежит: Rhodia Operations

Heat and light-stabilized polyamide compositions containing a stabilization system that includes copper oxide and KBr, and have an excellent preservation of color and of the mechanical properties thereof after exposure to heat or to light; these compositions are especially useful for producing shaped articles in the automotive field. 1. An admixture comprising at least one polyamide and a heat- and light-stabilizing amount of at least one copper oxide and KBr.2. The admixture as defined in claim 1 , wherein said at least one polyamide comprises at least one PA-6 polyamide or PA-6 claim 1 ,6 polyamide.3. The admixture as defined in claim 1 , wherein said at least one polyamide comprises a blend of polyamides.4. The admixture as defined in claim 1 , wherein said polyamide comprises at least one (co)polyamide and/or star polyamide.5. The admixture as defined in claim 1 , wherein said at least one polyamide is a branched polyamide or a star polyamide.6. The admixture as defined in claim 1 , wherein said admixture comprises between 20 and 80% by weight of said at least one polyamide claim 1 , relative to the total weight of the composition.7. The admixture as defined in claim 1 , wherein said admixture comprises from 0.001% to 2% by weight of copper oxide claim 1 , relative to the total weight of said polyamide.8. The admixture as defined in claim 1 , wherein said admixture comprises from 0.009% to 1.2% by weight of CuO and 0.1% to 1.2% by weight of KBr claim 1 , relative to the weight of said polyamide.9. The admixture as defined in claim 1 , further comprising at least one other heat and/or light stabilizer selected from the group consisting of KI claim 1 , hindered phenols claim 1 , stabilizers having at least one hindered amine structural unit claim 1 , organic phosphorus-containing stabilizers claim 1 , inorganic phosphorus-containing stabilizers claim 1 , sodium hypophosphite and manganese hypophosphite.10. The admixture as defined in claim 1 , further comprising ...

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21-03-2013 дата публикации

Pneumatic object provided with a gastight layer containing a thermoplastic elastomer and a thermoplastic

Номер: US20130072621A1

A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

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21-03-2013 дата публикации

MOLDED RESIN PRODUCT FOR VEHICLE STRUCTURAL MEMBER OR AIRCRAFT STRUCTURAL MEMBER

Номер: US20130072624A1
Принадлежит:

A molded resin product for a vehicle structural member or an aircraft structural member according to the present invention is formed by injection-molding of thermoplastic resin feedstock containing reinforcement fibers by using a screw provided at a leading end portion thereof with a mixer protruding in a radial direction. In the injection-molded product, the reinforcement fiber content ratio is greater than or equal to 20% by weight and the weight-average fiber length of the reinforcement fibers in an evaluation target area having a certain size is greater than or equal to 1 mm and less than or equal to 3 mm. 1. A molded resin product for a vehicle structural member or an aircraft structural member , which is formed by injection-molding of thermoplastic resin feedstock containing reinforcement fibers by using a screw provided at a leading end portion thereof with a mixer which is provided with radially protruding fins and in which the number of fins increases toward a leading end side in the axial direction from a rear end side in the axial direction ,wherein thermoplastic resin in which reinforcement fibers each having a length of greater than or equal to 2 mm and less than or equal to 20 mm are contained at the reinforcement fiber content ratio of greater than or equal to 20% by weight is used as feedstock, and the weight-average fiber length of the reinforcement fibers therein is greater than or equal to 1 mm and less than or equal to 3 mm.2. (canceled)3. The molded resin product for a vehicle structural member or an aircraft structural member according to claim 1 , wherein the evaluation target area is an approximate square in a plan view and the length of one side thereof is greater than or equal to 20 mM.4. The molded resin product for a vehicle structural member or an aircraft structural member according claim 1 , wherein the thermoplastic resin injected from the screw is filled into a mold having a temperature adjusted to a temperature lower than or equal ...

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28-03-2013 дата публикации

POLYAMIDE RESIN COMPOSITIONS

Номер: US20130078402A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

[Problems] 1. A polyamide resin composition , comprising:a polyamide resin (A) comprising a diamine structural unit and a dicarboxylic acid structural unit, and 1 to 40 parts by mass of a copolyamide (B),wherein 70 mol % of the diamine structural unit is derived from xylylenediamine and50 mol % of the dicarboxylic acid structural unit is derived from sebacic acid; andthe copolyamide (B) is selected from the group consisting of (B-1)-(B-3) per 100 parts by mass of the polyamide resin (A);(B-1) is a copolyamide 6/66/12;(B-2) is a copolyamide 6/66/11; and(B-3) is a polyether-polyamide copolymer comprising 12 units of a polyamide or 11 units of a polyamide and one unit of a polyether.2. The polyamide resin composition of claim 1 , wherein the xylylene diamine is m-xylylenediamine claim 1 , p-xylylenediamine claim 1 , or a mixture thereof.3. The polyamide resin composition of claim 1 , wherein the polyamide resin is a polyamide resin obtained by a process comprising polycondensing m-xylylenediamine claim 1 , p-xylylenediamine claim 1 , or a mixture thereof with sebacic acid.4. The polyamide resin composition of claim 1 , further comprising 0.1 to 2 parts by mass of a carbodiimide compound (C) per 100 parts by mass of the polyamide resin (A).5. The polyamide resin composition of claim 4 , wherein the carbodiimide compound (C) is an aliphatic or alicyclic polycarbodiimide compound.6. The polyamide resin composition of claim 1 , further comprising 0.01 to 1 parts by mass of a stabilizer (D) per 100 parts by mass of the polyamide resin (A).7. The polyamide resin composition of claim 6 , wherein the stabilizer (D) is selected from the group consisting of an inorganic stabilizer claim 6 , a secondary aromatic amine stabilizer claim 6 , and an organic sulfur stabilizer.8. The polyamide resin composition of claim 1 , wherein the polyamide resin composition is suitable for a film with a tensile modulus of elasticity (E) of from 70 to 97% of a tensile modulus of elasticity (E) of ...

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04-04-2013 дата публикации

POLYAMIDE AND POLYAMIDE COMPOSITION

Номер: US20130085229A1
Принадлежит: ASAHI KASEI CHEMICALS CORPORATION

[Problem to be Solved] 1. (A) A polyamide comprising:(a) a unit comprising adipic acid and hexamethylenediamine; and(b) a unit comprising isophthalic acid and hexamethylenediamine,wherein a ratio (x) of an isophthalic acid component to a total carboxylic acid component in the polyamide is 0.05≦(x)≦0.5 and {'br': None, 'i': Y', 'EG', 'x', 'x, '()=[()−()]/[1−()]\u2003\u2003(1)'}, 'a range of (Y) represented by the following formula (1) is −0.3≦(Y)≦0.8.'} {'br': None, 'i': 'EG', '()=an amount of the isophthalic acid end group/the total amount of the carboxyl end group\u2003\u2003(2)'}, 'wherein (EG) represents a ratio of an isophthalic acid end group to a total carboxyl end group contained in the polyamide and is represented by the following formula (2).'}2. The polyamide according to claim 1 , wherein the range of (Y) represented by the formula (1) is 0.05≦(Y)≦0.8.3. The polyamide according to claim 1 , wherein the ratio (x) of the isophthalic acid component claim 1 , the amount of isophthalic acid end group and the total amount of carboxyl end group are values determined by a nuclear magnetic resonance method (NMR).4. A polyamide composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '30 to 95% by mass of the polyamide according to ; and'}5 to 70% by mass of (B) an inorganic filler.5. The polyamide according to claim 2 , wherein the ratio (x) of the isophthalic acid component claim 2 , the amount of isophthalic acid end group and the total amount of carboxyl end group are values determined by a nuclear magnetic resonance method (NMR).6. A polyamide composition comprising:{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, '30 to 95% by mass of the polyamide according ; and'}5 to 70% by mass of (B) an inorganic filler. The present invention relates to a polyamide and a polyamide composition.Polyamide resins have good fabricability, mechanical properties and chemical resistance and thus have been widely used as various part materials for garments, ...

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11-04-2013 дата публикации

Oxygen Scavenging Plastic Material

Номер: US20130089686A1
Автор: FAVA Flavio
Принадлежит: CLARIANT MASTERBATCHES (ITALIA) SPA

The invention relates to a plastic material comprising a composition Z comprising the components A, B, C and D, 1. A plastic material comprising a composition Z wherein composition Z includes components A , B , C and D , and whereincomponent A is a polyester,component B is a polyamide,component C is a transition metal catalyst, andcomponent D is an organic compound selected from the group consisting of paraffins, vegetable oils, polyalkylene glycols, esters of polyols, alkoxylates, and mixtures thereof.2. A plastic material as claimed in claim 1 , wherein component A is selected from the group consisting of polyethylene terephthalate claim 1 , cyclohexane dimethanol/polyethylene terephthalate copolymer claim 1 , polyethylene naphthalate claim 1 , polybutylene terephthalate claim 1 , and mixtures thereof.3. A plastic material as claimed in claim 1 , wherein component B is selected from the group consisting of poly(m-xylylene adipamide) claim 1 , poly(hexamethylene isophthalamide) claim 1 , poly(hexamethylene adipamide-co-isophthalamide) claim 1 , poly(hexamethylene adipamide-co-terephthalamide) claim 1 , poly(hexamethylene isophthalamide-co-terephthalamide) claim 1 , poly(hexamethylene adipamide) claim 1 , poly(caprolactam) claim 1 , poly(hexamethylene adipamide)-co-caprolactam claim 1 , and mixtures thereof.4. A plastic material as claimed in claim 1 , wherein component C is selected from the group consisting of cobalt oleate claim 1 , cobalt propionate claim 1 , cobalt stearate claim 1 , cobalt neodecanoate claim 1 , and mixtures thereof.5. A plastic material as claimed in claim 1 , wherein component D is liquid at ambient temperature and atmospheric pressure.6. A plastic material as claimed in claim 1 , wherein composition Z further comprises a component E claim 1 , wherein component E is selected from the group consisting of colorants claim 1 , fillers claim 1 , acid scavengers claim 1 , processing aids claim 1 , coupling agents claim 1 , lubricants claim 1 , ...

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11-04-2013 дата публикации

Fibers of Polymer-Wax Compositions

Номер: US20130089747A1
Принадлежит: Procter and Gamble Co

Disposable article that include fibers formed from compositions comprising thermoplastic polymers and waxes are disclosed, where the wax is dispersed throughout the thermoplastic polymer.

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18-04-2013 дата публикации

Use of thermoplastic composition comprising polyether-block copolyamides as additive

Номер: US20130093118A1
Автор: Eric Maziers
Принадлежит: Total Petrochemicals Research Feluy SA

The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer.

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25-04-2013 дата публикации

Anticorrosive polyamide resin composition, and electric wire with terminal

Номер: US20130098679A1

Provided is an anticorrosive polyamide resin composition having excellent anticorrosive capability by possessing excellent adhesive strength to a polyolefin resin and a metal and excellent elongation. The anticorrosive polyamide resin composition contains a resin component that contains 70 to 90 mass % of a polyamide resin, and 30 to 10 mass % of an acid-modified polyolefin resin. A maleic acid anhydride-modified polyolefin resin is preferably used as the acid-modified polyolefin resin. Polypropylene is preferably used as the polyolefin resin.

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25-04-2013 дата публикации

Seat support

Номер: US20130099531A1
Автор: Felix Sam, Stefano Segato
Принадлежит: Selle Royal SpA

A seat support and a method for obtaining same includes a support body made from polymeric materials derived from castor oil, a padding positioned on said body, and a coating that covers the padding. The padding includes at least one layer of foam made at least in part from a component derived from renewable sources and/or of natural origin like palm oil, castor oil, soybean oil, colza oil, or in general a vegetable oil, and it can include a layer and/or insert made from gel obtained by adding in dispersion with a polyolic and or isocyanic component, possible particles of cork and possible compatibilizing agents to maintain the continuity of the polymeric characteristics with the coating and promote sticking. The coating includes a polymer formed from castor oil. The seat support according to the present invention is therefore environmentally-friendly, biodegradable, easy to recycle and/or dispose of.

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25-04-2013 дата публикации

Film for tire inner liner and method for manufacturing the same

Номер: US20130101821A1
Принадлежит: KOLON INDUSTRIES INC

This disclosure relates to a film for a tire inner liner including: a base film including a copolymer or mixture of a polyamide-based resin and a polyether-based resin; and an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive, and a method for manufacturing the same.

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09-05-2013 дата публикации

Polypeptide electrospun nanofibrils of defined composition

Номер: US20130115457A1
Автор: Donald T. Haynie, Lei Zhai

Electrospun nanofibrils and methods of preparing the same are provided. The electrospun nanofibrils comprise at least one polypeptide. A polypeptide can be dissolved in a solution, and the solution can be electrospun into a nanofibril. The solution can be added to a syringe or syringe pump, and an electric field can be applied to electrospin the at least one polypeptide.

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09-05-2013 дата публикации

Composition for porous plastics for intake housings

Номер: US20130116353A1
Принадлежит: Hyundai Motor Co, KOPLA CO Ltd

Disclosed is a porous plastic resin composition including a polypropylene-based resin, a polyamide-based resin, or an alloy resin made by alloying the two resins to each other with a compatibilizer, reinforced with an inorganic filler or a short glass fiber, and further including a porous inorganic filler and a special inorganic low blowing agent. When the disclosed porous plastic resin composition is used to make an intake housing part, it reduces the weight and cost of an automobile intake housing part.

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09-05-2013 дата публикации

Thermoplastic composition, method of producing the same, and articles made therefrom

Номер: US20130116382A1
Принадлежит: Rohm and Haas Co

The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (a) from 10 to 75 percent by weight of a continuous phase, based on the total weight of the thermoplastic composition, wherein said continuous phase comprises one or more thermoplastic polymers; and (b) from 25 to 90 percent by weight of a dispersed phase comprising one or more core/shell polymer particles, based on the total weight of the thermoplastic composition, wherein said one or more core/shell polymer particles comprise a crosslinked elastomer core and a thermoplastic shell and wherein said core/shell polymer has an average particle size diameter in the range of from 70 to 10,000 nm.

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16-05-2013 дата публикации

Fine Pitch Electrical Connector and a Thermoplastic Composition for Use Therein

Номер: US20130122758A1
Принадлежит: Ticona LLC

A thermoplastic composition for use in a fine pitch electrical connector is provided. The thermoplastic composition contains a liquid crystalline polymer and a plurality of fibers. The volume average length of the fibers in the thermoplastic composition is selectively controlled according to the present invention so that it is within a certain range, such as from about 80 to about 250 micrometers. The fibers also have a narrow length distribution. That is, at least about 70% by volume of the fibers have a length within a certain range. Through the use of a liquid crystalline polymer and fibers of a certain weight average length and narrow length distribution, the present inventors have discovered that the resulting thermoplastic composition is able to achieve a desirable combination of strength and flowability, which enables it to be uniquely suited for the walls of a fine pitch connector. 1. An electrical connector that comprises at least two opposing walls between which a passageway is defined for receiving a contact pin , wherein the walls have a width of about 500 micrometers or less , the walls being formed from a thermoplastic composition that comprises from about 20 wt. % to about 90 wt. % of at least one thermotropic liquid crystalline polymer and from about 2 wt. % to about 40 wt. % of fibers , wherein the ratio of the width of at least one of the walls to the volume average length of the fibers is from about 0.8 to about 3.2 , and wherein the fibers have a volume average length of from about 80 to about 250 micrometers and wherein at least about 70% by volume of the fibers have a length of from about 80 to about 250 micrometers.2. The electrical connector of claim 1 , wherein the walls have a width of from about 200 to about 400 micrometers.3. The electrical connector of claim 1 , wherein the ratio of the width of at least one of the walls to the volume average length of the fibers is from about 1.2 to about 2.9.4. The electrical connector of claim 1 , ...

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16-05-2013 дата публикации

Fiber-Reinforced Thermoplastic Resin Composition and Process for Producing Fiber-Reinforced Thermoplastic Resin Composition

Номер: US20130123388A1
Принадлежит: Daimaru Sangyo Co., Ltd.

Provided are a fiber-reinforced thermoplastic resin composition excellent in terms of dispersion property, moldability, rigidity, and reinforcing property and a process for producing the resin composition. This fiber-reinforced thermoplastic resin composition comprises (a) a polyolefin, (b) a rubbery polymer, (c) spherical silica having a water content of 1,000 ppm or less, (d) ultrafine fibers of a thermoplastic polymer having amide groups in the main chain, and (e) a silane coupling agent, wherein the ingredient (d) has been dispersed as ultrafine fibers having an average diameter of 1 [mu]m or less in a matrix comprising the ingredients (a), (b), and (c), and the ingredients (a), (b), (c), and (d) have been chemically bonded through the ingredient (e). 1. A fiber-reinforced thermoplastic resin composition comprising (a) 100 parts by weight of polyolefin; (b) 10 to 600 parts by weight of rubbery polymer having a glass transition temperature no higher than 0° C.; (c) 10 to 500 parts by weight of spherical silica having an average particle size of no more than 1 μm and a water content of no more than 1000 ppm; (d) 1 to 400 parts by weight of ultrafine fibers of a thermoplastic polymer having amide groups in the main chain; and (e) 0.1 to 20 parts by weight of a silane coupling agent ,wherein component (d) is dispersed as ultrafine fibers having an average diameter of no more than 1 μm in a matrix comprising component (a), component (b) and component (c), and each component among (a), component (b), component (c) and component (d) makes a chemical bond via component (e).2. The fiber-reinforced thermoplastic resin composition according to claim 1 , wherein the fiber diameter of the thermoplastic polymer having amide groups in the main chain of component (d) dispersed in fiber form is no more than 1 μm claim 1 , and an aspect ratio is at least 2 and no more than 1000.3. A process for producing a fiber-reinforced thermoplastic resin composition comprising:a first step ...

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16-05-2013 дата публикации

FLAME RETARDANT POLYAMIDE COMPOSITIONS

Номер: US20130123402A1
Принадлежит: FRX POLYMERS, INC.

Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained. 1. A polymer composition comprising at least one phosphonamide oligomer having amino end groups and one or more polyamides , copolyamides or combinations thereof.3. The composition of claim 1 , wherein at least 50% of available end groups of the phosphonamide oligomer are amine groups.4. The composition of claim 1 , wherein the phosphonamide oligomer comprises a molecular weight of about 200 g/mole to about 10 claim 1 ,000 g/mole using polystyrene standards.5. The composition of claim 1 , wherein the composition comprises about 2 wt. % to about 50 wt % phosphonamide oligomer.6. The composition of claim 1 , wherein the one or more polyamides claim 1 , copolyamides or combinations thereof are selected from the group consisting of polyhexamethylene adipamide claim 1 , polyhexamethylene sebacamide claim 1 , polycaprolactam claim 1 , and copolyamide 6/66 claim 1 , nylon-4 claim 1 , nylon-6 claim 1 , nylon-6 claim 1 ,6 claim 1 , nylon-6 claim 1 ,10 claim 1 , nylon-6 claim 1 ,9 claim 1 , nylon-6 claim 1 ,12 claim 1 , nylon-4 claim 1 ,6 claim 1 , nylon-12 claim 1 ,12 claim 1 , nylon-11 claim 1 , nylon-12 claim 1 , aromatic polyamides based on m-xylene claim 1 , diamine and adipic acid; polyamides prepared from hexamethylenediamine and terephthalic acid and/or isoterephthalic acid.7. The composition of claim 1 , further comprising one or more elastomers.8. The composition of claim 7 , wherein the one or more elastomers are selected from the group consisting of poly-2 claim 7 ,4 claim 7 ,4-trimethylhexamethylene-terephthalamide or poly-m-phenyleneisophthalamide.9. The composition of claim 1 , wherein the one or more polyamides claim 1 , copolyamides or combinations thereof comprise block ...

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16-05-2013 дата публикации

Liquid Crystalline Polymer Composition for High Voltage Electronic Components

Номер: US20130123420A1
Автор: Kim Young Shin
Принадлежит: Ticona LLC

A liquid crystalline polymer composition having a relatively high comparative tracking index (“CTI”) is provided. The present inventors have discovered that high CTI values can be achieved through the use of inorganic particles in combination with a functional aromatic compound. While not fully understood, it is believed that the functional compound can react with the liquid crystalline polymer and create smaller degraded polymer chains. In combination with the inorganic particles, these smaller chains can potentially form insulated regions at the surface of the polymer that hinder the formation of conductive carbonaceous deposits during the tracking process, which could otherwise lead to failure during testing. 2. The polymer composition of claim 1 , wherein the functional aromatic compound includes a phenolic compound claim 1 , diphenolic compound claim 1 , naphthenic compound claim 1 , or a combination thereof.3. The polymer composition of claim 1 , wherein the functional aromatic compound includes an aromatic diol.4. The polymer composition of claim 3 , wherein the aromatic diol is 4 claim 3 ,4′-biphenol.5. The polymer composition of claim 1 , wherein the functional aromatic compound includes an aromatic carboxylic acid.6. The polymer composition of claim 1 , wherein the aromatic carboxylic acid is 2 claim 1 ,6-naphthelene dicarboxylic acid.7. The polymer composition of claim 1 , wherein the composition includes from about 0.01 wt. % to about 1 wt. % of at least one aromatic dial and from about 0.001 wt. % to about 0.5 wt. % of at least one aromatic dicarboxylic acid.8. The polymer composition of claim 1 , wherein the composition further includes at least one non-aromatic functional compound.9. The polymer composition of claim 8 , wherein the non-aromatic functional compound is a hydrate.10. The polymer composition of claim 1 , wherein the inorganic particles include titanium dioxide.11. The polymer composition of claim 1 , wherein the composition has a ...

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16-05-2013 дата публикации

QUASI-MELT PROCESSES FOR SINGLE POLYMER COMPOSITES AND PRODUCTS THEREOF

Номер: US20130123430A1
Принадлежит: GEORGIA TECH RESEARCH CORPORATION

Processes and compounds are described herein for single polymer composites based on a process for making the single polymer composites that includes the steps of heating a matrix material to create polymer melt, cooling the polymer melt to below its Tto create an undercooled polymer melt, or quasi-melt, and combining the melt with an enhancing or reinforcing material to produce a single polymer composite. The process can produce materials that do not have any degradation of the polymer characteristic of the enhancing material due to melting of the polymer in the enhancing material. 1. A process for preparing a single polymer composite , the process comprising:{'sub': 'm', 'heating a matrix material to above its Tto create a polymer melt'}{'sub': q', 'm, 'cooling the polymer melt to a temperature Tbelow its Tto create an undercooled polymer melt (also called a quasi-melt), and'}combining the undercooled polymer melt with a enhancing material to form the single polymer composite,wherein the matrix material and the enhancing material comprise the same polymer.2. The process of claim 1 , wherein the polymer is a polyolefin claim 1 , polyamide or polyester.3. The process of claim 1 , wherein the polymer is polypropylene claim 1 , nylon-6 claim 1 , or PET.4. The process of claim 1 , wherein Tis at least 10 degrees C. below the Tto create the undercooled polymer melt.5. The process of claim 1 , wherein Tis at least 20 degrees C. below the Tto create the undercooled polymer melt.6. The process according to wherein the undercooled polymer melt is held at Tq for at least 10 seconds.7. The process according to claim 1 , wherein the enhancing material comprises at least about 10% by weight of the single polymer composite.8. The process according to claim 1 , wherein the enhancing material comprises at least about 25% by weight of the single polymer composite.9. The process according to claim 1 , wherein the enhancing material comprises at least about 40% by weight of the single ...

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16-05-2013 дата публикации

REACTIVE POLYAMIDE RESINS AND POLYAMIDE RESIN COMPOSITIONS

Номер: US20130123439A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

Provided is a polyamide resin composition comprising an elastomer etc, and a reactive polyamide resin excellent in reactivity. The polyamide resin composition comprises 0.5 to 100 parts by mass of an elastomer per 100 parts by mass of a reactive polyamide resin, wherein the reactive polyamide resin obtained by polycondensing a diamine (A) containing 70 mol % or more of a diamine structural unit derived from xylylenediamine and a dicarboxylic acid (B) containing 50 mol % or more of a dicarboxylic acid structural unit derived from sebacic acid, and has a concentration of reactive functional groups of 100 μeq/g or more and a molar ratio of reacted diamine to reacted dicarboxylic acid (the number of moles of reacted diamine/the number of moles of reacted dicarboxylic acid) of 1.0 or more. 1. A reactive polyamide resin obtained by polycondensing:(A) a diamine comprising 70 mol % or more of a diamine structural unit derived from a xylylenediamine; and(B) a dicarboxylic acid comprising 50 mol % or more of a dicarboxylic acid structural unit derived from sebacic acid,wherein:the reactive polyamide resin has a concentration of reactive functional groups of 100 μeq/g or more;the reactive polyamide resin has a molar ratio of reacted diamine to reacted dicarboxylic acid (the number of moles of reacted diamine/the number of moles of reacted dicarboxylic acid) of 1.0 or more; andthe reactive functional groups are a carboxylic group, an amino group, or both.2. The reactive polyamide resin according to claim 1 , wherein the reactive functional groups are located at ends of the polyamide resin.3. (canceled)4. The reactive polyamide resin according to claim 1 , which has an amino group concentration of 50 μeq/g or more.5. The reactive polyamide resin according to claim 1 , which has a number average molecular weight of 20 claim 1 ,000 or less.6. The reactive polyamide resin according to claim 1 , wherein the xylylenediamine is m-xylylenediamine or p-xylylenediamine.7. The reactive ...

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23-05-2013 дата публикации

Heat transfer compositions

Номер: US20130126778A1
Автор: Robert E. Low
Принадлежит: MEXICHEM AMANCO HOLDING SA DE CV

The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from 2,3,3,3-tetrafluoropropene (R-1234yf), 3,3,3-trifluoropropene (R-1243zf), and mixtures thereof.

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23-05-2013 дата публикации

Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereof

Номер: US20130131210A1
Принадлежит: Baker Hughes Inc

A composition includes a crosslinked product of a polyphenylene sulfide and a polyphenylsulfone. A method for the manufacture of the crosslinked product of a polyphenylene sulfide and a polyphenylsulfone includes heating the polyphenylene sulfide and the polyphenylsulfone in presence of a crosslinking agent at a temperature and for a time effective to form the crosslinked product of polyphenylene sulfide and polyphenylsulfone.

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23-05-2013 дата публикации

Flame-Proof Agent-Stabiliser Combination for Thermoplastic and Duroplastic Polymers

Номер: US20130131235A1
Принадлежит: CLARIANT FINANCE (BVI) LIMITED

The invention relates to a flameproof agent stabiliser combination containing, as component A 40-99 wt. % of a phosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R, Rare the same or different and represent C-C-alkyl linear, branched or cyclic, C-C-aryl, C-C-arylalkyl and/or C-C-alkylaryl; Rrepresents C-C-alkylene, linear or branched, C-C-arylene, C-C-alkylarylene or C-C-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 1-60 wt. % of a phosphinic acid salt of general formula (III) wherein Rrepresents C-C-alkyl linear, branched or cyclic, C-C-aryl, C-C-arylalkyl or C-C-alkylaryl and M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base, as component C 0-50 wt. % of a synergist containing nitrogen and/or a phosphorous/nitrogen flameproof agent, as component D 0-10 wt. % of a zinc salt and/or a basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide-hydroxide, oxide-hydroxide-carbonate, hydroxide-silicate and/or hydroxide-borate and/or mixtures of said substances, as component E 0-10 wt. % phosphonite or phosphonite/phosphite-mixture and as component F 0-10 wt. % ester and/or salts of long-chained fatty acids having 14-40 C-atom, the total of the components always amounting to 100 wt. %, under the proviso that if Rrepresents C-C-alkyl, then at least one of the groups Rand/or Rrepresent C-C-aryl, C-C-arylalkyl and/or C-C-alkylaryl. 2. The flame retardant-stabilizer combination as claimed in claim 1 , wherein R claim 1 , Rare the same or different and are each linear claim 1 , branched or cyclic C-C-alkyl and Ris C-C-aryl claim 1 , C-C-arylalkyl or C-C-alkylaryl.3. The flame retardant-stabilizer combination as claimed in claim 1 , wherein at least one of the RRgroups or both ...

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23-05-2013 дата публикации

HIGH-VISCOSITY POLYAMIDE COMPOSITION

Номер: US20130131269A1
Принадлежит: Rhodia Operations

A high-viscosity polyamide composition including a branched polyamide is described. Also described, is a relationship between a high-viscosity polyamide composition and a composition including a copolyamide of a statistical tree type resulting from a reaction between a multifunctional monomer including at least three reactive functions in order to form an amide function. Further described, are three reactive functions of two different types and bifunctional monomers used in the manufacture of linear polyamides. A resulting copolyamide can have a very low melt flow index relative to the linear polyamide and improved impact resistance properties. Lastly, use of such a composition for extrusion blow-molding articles is described. 1. A composition obtained by blending at least: {'br': None, 'sub': 1', '2', 'n, '(AR)—R—(RB)\u2003\u2003(I)'}, 'one polyfunctional monomer corresponding to the following a general formula I, 'a) one copolyamide having a random tree structure, which results from a reaction between at least{'sub': 1', '2, 'claim-text': [ [{'br': None, 'sub': 1', '3', '1, 'A-R-A\u2003\u2003(II)'}, {'br': None, 'sub': 1', '4', '1, 'B—R—B\u2003\u2003(III)'}, {'br': None, 'and'}, {'br': None, 'sub': 1', '6', '1, 'A-R—Bor the corresponding lactams\u2003\u2003(IV)'}], 'at least one bifunctional monomer of following formula II to IV, [{'br': None, 'sub': 6', '1, 'R—B\u2003\u2003(V),'}, {'br': None, 'and'}, {'br': None, 'sub': 7', '1, 'R-A\u2003\u2003(VI)'}], 'with optionally at least one monofunctional monomer of formula V or formula VI], 'in which: n is an integer between 2 and 10 (limits included), Rand Rcan be identical or different and represent a covalent bond or an aliphatic, arylaliphatic, aromatic or alkylaromatic hydrocarbon radical, R is a linear or branched aliphatic radical, a substituted or unsubstituted cycloaliphatic radical, a substituted or unsubstituted aromatic radical which can comprise several aromatic rings and/or heteroketones, A represents an ...

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30-05-2013 дата публикации

INJECTION MOLDED PARTS PRODUCED FROM A POLYMER COMPOSITION COMPRISING POLYAMIDE 410 (PA-410)

Номер: US20130137815A1
Принадлежит: DSM IP ASSETS B.V.

Injection molded polymeric part produced from a polymer composition comprising polyamide 410 (PA-410) and less than 1.5 weight % of a mold release agent. In a preferred embodiment the polymer composition contains less than 1 wt. % of a mold release agent. 1. Injection molded polymeric part characterized in that the part is produced from a polymer composition comprising polyamide 410 (PA-410) and less than 1.5 weight % of a mold release agent.2. Injection molded part according to claim 1 , wherein the polymer composition containsA. 20-100 parts by weight (pbw) PA-410B. One or more further polymers,Whereby A and B add up to 100 pbw.3. Injection molded part according to claim 1 , wherein the polymer composition contains less than 1 wt. % of a mold release agent.4. Injection molded part according to claim 1 , wherein the polymer composition contains less than 0.5 wt. % of a mold release agent.5. Injection molded part according to claim 1 , wherein the polymer composition contains less than 0.3 wt. % of a mold release agent.6. Injection molded part according to claim 1 , wherein the part has a weight of at least 100 grams.7. Injection molded part according to claim 1 , wherein the part has a weight of at least 200 grams.8. Injection molded part according to claim 1 , wherein the polymer composition does not contain glass fibers and wherein the part comprises one or more release angles of less than 1° 30′.9. Injection molded part according to claim 1 , wherein the polymer composition does not contain glass fibers and wherein the part comprises one or more release angles of less than 1°.10. Injection molded part according to claim 1 , wherein the polymer composition does not contain glass fibers and wherein the part comprises one or more release angles of less than 50′.11. Injection molded part according to claim 1 , wherein the polymer composition contains glass fibers and wherein the part comprises one or more release angles of less than 30′.12. Injection molded part ...

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06-06-2013 дата публикации

THERMOPLASTIC COMPOSITION BASED ON POLYAMIDE, POLYKETONE AND NOVOLAC RESIN

Номер: US20130144001A1
Принадлежит: Rhodia Operations

A thermoplastic composition based on polyamide and polyketone is described. The thermoplastic composition can have an excellent mechanical strength and dimensional stability. Further, the composition can include a novolac resin and a reinforcing or a bulking filler. The composition can be molded, for example in the form of granules or powder, which is used for manufacturing articles via an injection-molding process. 1. A composition obtained by melt blending the following compounds: a polyamide , a polyketone and a novolac resin.2. The composition as described by claim 1 , wherein the composition comprises:30% to 95% by weight of a polyamide;1% to 50% by weight of a polyketone; and1% to 20% by weight of a novolac resin, with respect to the total weight of the composition.3. The composition as described by claim 1 , wherein the polyamide is selected from the group consisting of: a PA 66 claim 1 , a PA 610 claim 1 , a PA 612 claim 1 , a PA 6.66 claim 1 , a PA 46 claim 1 , a MXD6 claim 1 , a PA 66/6T claim 1 , a PA 6 claim 1 , a PA 11 and a PA 12.4. The composition as described by claim 1 , wherein the polyketone is aliphatic.5. The composition as described by claim 1 , wherein the polyketone is represented by the formula:{'br': None, 'sub': 2', '2', 'x', 'y, '—(CO—CH—CH)—(CO-A)—'}in which A denotes an unsaturated monomer having at least 3 carbon atoms and the x/y ratio is at least 2.6. The composition as described by claim 1 , wherein the polyketone is a copolymer of ethylene and carbon oxide.7. The composition as described by claim 1 , wherein the composition comprises a reinforcing or bulking filler and/or an impact modifier.8. A method of reinforcing mechanical properties of a polyamide claim 1 , the method comprising incorporating a novolac resin and a polyketone to reinforce the mechanical properties of the polyamide.9. The composition as described by claim 1 , wherein the polyketone is a copolymer of ethylene claim 1 , propylene and carbon oxide. The present ...

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06-06-2013 дата публикации

METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITIONS

Номер: US20130144010A1
Принадлежит: THE YOKOHAMA RUBBER CO., LTD.

Provided is a method for producing thermoplastic resin compositions, the method comprising the step of melt-blending (A) a thermoplastic elastomer composition, obtained by dispersing (ii) an acid anhydride-modified or epoxy-modified rubber in (i) an ethylene-vinyl alcohol copolymer, with (B-1) a resin composition comprising at least one resin selected from (i) unmodified polyamide resins and modified polyamide resins or (B-2) a thermoplastic elastomer composition obtained by dispersing (ii) an acid anhydride-modified or epoxy-modified rubber in (i) at least one resin selected from unmodified polyamide resins and modified polyamide resins. Said thermoplastic elastomer composition has excellent gas barrier properties and the decrease in gas barrier properties associated with fatigue has been reduced. 1. A method for preparing a thermoplastic resin composition comprising melt-mixing(A) a thermoplastic elastomer composition comprising (i) an ethylene-vinyl alcohol copolymer and (ii) an acid anhydride-modified or epoxy-modified rubber dispersed therein, with(B-1) (i) a resin composition comprising at least one resin selected from unmodified polyamide resins and modified polyamide resins, or(B-2) a thermoplastic elastomer composition comprising (i) at least one resin selected from unmodified polyamide resins and modified polyamide resins, and (ii) an acid anhydride-modified or epoxy-modified rubber dispersed therein.2. The method for preparing a thermoplastic resin composition according to claim 1 , comprising melt-mixing thermoplastic elastomer composition (A) with thermoplastic elastomer composition (B-2).3. The method according to claim 1 , wherein the weight ratio of thermoplastic elastomer composition (A) to resin composition (B-1) or thermoplastic elastomer composition (B-2) is 5:95 to 95:5.4. The method according to claim 1 , wherein the weight ratio of thermoplastic elastomer composition (A) to resin composition (B-1) or thermoplastic elastomer composition (B-2) ...

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13-06-2013 дата публикации

AQUEOUS DISPERSION OF POLYAMIDE RUBBER ELASTIC BODY AND METHOD OF PRODUCING THE SAME

Номер: US20130150508A1
Принадлежит: Sumitomo Seika Chemicals Co., Ltd.

An aqueous dispersion of polyamide rubber elastic body, which contains an aqueous medium and a polyamide rubber elastic body emulsified and dispersed in the aqueous medium in the presence of a surfactant. The surfactant is used in an amount of 1 to 20 parts by weight based on 100 parts by weight of the polyamide rubber elastic body, and is for example at least one member selected from the group consisting of a polyoxyalkylene alkyl ether sulfate, a dialkyl sulfosuccinate, a fatty acid salt and an ethylene oxide/propylene oxide copolymer. This aqueous dispersion can produce a molded article having the characteristics of the polyamide rubber elastic body, particularly a molded article which hardly suffers from bleeding of the surfactant and is excellent in transparency. 1. A method of producing an aqueous dispersion of polyamide rubber elastic body , comprising the steps of:preparing a mixture containing a polyamide rubber elastic body, a surfactant and an aqueous medium, andemulsifying the mixture at a temperature not lower than the softening temperature of the polyamide rubber elastic body,wherein the polyamide rubber elastic body has a structure in which a rigid polymer system having a crystalline polyamide block with a high melting point is combined with a soft polymer system having a noncrystalline polyether block with a low glass transition temperature, and the surfactant is used in an amount of 1 to 20 parts by weight based on 100 parts by weight of the polyamide rubber elastic body.2. The method of producing an aqueous dispersion of polyamide rubber elastic body according to claim 1 , wherein the polyamide rubber elastic body is a polyether block amide copolymer or a polyether ester block amide copolymer.3. The method of producing an aqueous dispersion of polyamide rubber elastic body according to claim 1 , wherein the surfactant is at least one member selected from the group consisting of a polyoxyalkylene alkyl ether sulfate claim 1 , a dialkyl ...

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13-06-2013 дата публикации

RECYCLING POLYAMIDE AIRBAGS

Номер: US20130150514A1
Автор: Basire Charlotte
Принадлежит: Rhodia Operations

A method for making a polyamide composition, in particular for molding, prepared by mixing a polyamide material, a powder made from airbag scraps, and optionally reinforcing fillers is desribed. Also described, is a method for recycling used airbags. 1. A process for manufacturing a polyamide composition , the process comprising at least one step of mixing , without heating or providing in a molten state , a polyamide material with a safety airbag residue powder.2. The process as defined by claim 1 , wherein the powder is obtained from safety airbags comprising polyamide claim 1 , polyester claim 1 , polypropylene or polyurethane.3. The process as defined by claim 1 , wherein the residue comprises a coating comprising silicone claim 1 , polychloroprene claim 1 , polyurethane claim 1 , polyacrylate claim 1 , polyamide claim 1 , polyester or elastomeric polymer.4. The process as defined by claim 1 , wherein the powder has a particle size distribution of from 50 μm to 400 μm.5. The process as defined by claim 1 , wherein the powder comprises spherical or substantially spherical particles and/or fibrous particles.6. The process as defined by claim 1 , wherein the mixing is performed without heating and is followed by melting of the mixture.7. The process as defined by claim 1 , wherein the mixing is performed with heating.8. The process as defined by claim 1 , wherein from 0.5% to 70% by weight of residue is mixed relative to the total weight of the composition.9. The process as defined by claim 1 , wherein the polyamide material is added to the residue in the form of virgin polyamide granules or in the form of granules comprising a reinforcing or bulking filler and another additive.10. The process as defined by claim 1 , further comprising adding a reinforcing or bulking filler wherein the reinforcing or bulking filler is selected from the group consisting of a fibrous filler and a non-fibrous mineral filler.11. A polyamide composition obtained via the process defined ...

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13-06-2013 дата публикации

COMPOSITIONS, METHODS AND ARTICLES PRODUCED BY COMPOUNDING POLYAMIDES WITH OLEFIN-MALEIC ANHYDRIDE POLYMERS

Номер: US20130150517A1
Принадлежит: VERTELLUS SPECIALTIES INC.

The disclosure of the present application provides compositions and methods of compounding polyamides comprising the steps of forming a polyamide mixture, comprising a polyamide with an olefin maleic anhydride copolymer, and compounding the polyamide mixture at its processing temperature. Compounded polyamides derived from recycled nylon and other recycled polyamides and methods for preparing the compounded polyamides are described. 1. A thermoplastic pelletizable polymer composition comprising:(a) a polyamide; and(b) a polymer polymerized from maleic anhydride and an olefin; wherein the polyamide and the polymer are compounded.2. The thermoplastic pelletizable polymer composition of wherein the polyamide is selected from the group consisting of nylon-6 claim 1 , nylon 6-6 claim 1 , a copolymer of nylon-6 and nylon 6-6 claim 1 , nylon-9 claim 1 , nylon-10 claim 1 , nylon-11 claim 1 , nylon-12 claim 1 , nylon 6-10 claim 1 , aromatic polyamides claim 1 , elastomeric polyamides claim 1 , and mixtures thereof.3. (canceled)4. The thermoplastic pelletizable polymer composition of wherein the olefin is selected from the group consisting of ethylene claim 1 , propylene claim 1 , isobutylene claim 1 , butene-1 claim 1 , octene claim 1 , butadiene claim 1 , styrene claim 1 , isoprene claim 1 , hexene claim 1 , dodecene claim 1 , dodecene-1 claim 1 , and tetradecene.5. The thermoplastic pelletizable polymer composition of wherein the olefin is ethylene.6. A cross-linked polymer composition comprising:(a) a polyamide, and(b) a polymer polymerized from maleic anhydride and an olefin; wherein the polyamide and the polymer are compounded at a processing temperature wherein the processing temperature is sufficient to promote cross-linking.7. The cross-linked polymer composition of wherein the polyamide is selected from the group consisting of nylon-6 claim 6 , nylon 6-6 claim 6 , a copolymer of nylon-6 and nylon 6-6 claim 6 , nylon-9 claim 6 , nylon-10 claim 6 , nylon-11 claim 6 , ...

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20-06-2013 дата публикации

POLYAMIDE COMPOSITION FOR SURFACE-MOUNTED COMPONENTS

Номер: US20130153643A1
Автор: Jeol Stéphane
Принадлежит: Rhodia Operations

A polyamide composition for surface-mounted components is described. Also described are compositions for surface-mounted components (SMCs) including a semiaromatic polyamide modified by a hydroxyaromatic compound, reinforcing fillers, and a flame retardant. Further, the compositions have many advantages linked to the uses thereof in lead-free reflow soldering processes, in particular a good dimensional stability and a blistering resistance during the use of articles produced from these compositions. 1. A component for surface mounting obtained at least from a composition comprising at least a semiaromatic polyamide modified by an aromatic hydroxyl compound , a reinforcing filler glom; and a flame retardant.2. The component as defined in claim 1 , wherein 5 mol % to 50 mol % of the monomers used in the semiaromatic polyamide are monomers comprising aromatic groups claim 1 , including an aromatic hydroxyl compound.3. The component as defined in claim 1 , wherein the polyamide is selected from the group consisting of: polyamide 6T claim 1 , polyamide 66/6T claim 1 , polyamide 61 claim 1 , polyamide 66/61 claim 1 , polyamide 6T/61 claim 1 , copolyamide6/6T of differing molar compositions and blends thereof.4. The component as defined in claim 1 , wherein the polyamide has a melting point of from 150° C. and 340° C.5. The component as defined in claim 1 , wherein the composition comprises 30% to 75% by weight of polyamide claim 1 , with respect to the total weight of the composition.6. The component as defined in claim 1 , wherein the aromatic hydroxyl compound has at least one function that can react with the functions of the polyamide or the polyamide monomers.7. The component as defined in claim 1 , wherein the aromatic hydroxyl compound is represented by the following formula (I):{'br': None, 'sub': x', 'n, '(HO)—Z—(F)\u2003\u2003(I)'} Z is a multivalent aromatic or arylaliphatic hydrocarbon radical;', 'x is from 1 to 10;', 'F is an acid, aldehyde, amine or ketone ...

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20-06-2013 дата публикации

METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION

Номер: US20130156982A1
Принадлежит: THE YOKOHAMA RUBBER CO., LTD.

A method for producing a thermoplastic resin composition, comprising the steps of: (I) melt-kneading (A) acid anhydride-modified or epoxy-modified rubber with (B) ethylene-vinylalcohol copolymer resin to prepare a first resin composition in which (A) acid anhydride-modified or epoxy-modified rubber is dispersed in (B) ethylene-vinylalcohol copolymer resin, (II) crosslinking (C) crosslinkable elastomer while melt-kneading the crosslinkable elastomer with (D) polyamide resin to prepare a second resin composition in which crosslinked elastomer particles are dispersed in (D) polyamide resin, and (III) melt-mixing together the first resin composition with the second resin composition. The thermoplastic resin composition has excellent gas barrier properties, low-temperature durability, and fatigue resistance. 1. A method for producing a thermoplastic resin composition , comprising the steps of:(I) melt-kneading (A) acid anhydride-modified or epoxy-modified rubber with (B) ethylene-vinylalcohol copolymer resin to prepare a first resin composition in which (A) acid anhydride-modified or epoxy-modified rubber is dispersed in (B) ethylene-vinylalcohol copolymer resin,(II) crosslinking (C) crosslinkable elastomer while melt-kneading the crosslinkable elastomer with (D) polyamide resin to prepare a second resin composition in which crosslinked elastomer particles are dispersed in (D) polyamide resin, and(III) melt-mixing together the first resin composition with the second resin composition.2. The method for producing a thermoplastic resin composition according to claim 1 , in which (A) acid anhydride-modified or epoxy-modified rubber is selected from the group consisting of ethylene-α-olefin copolymers and the acid anhydride-modified products and epoxy-modified products of their derivatives claim 1 , ethylene-unsaturated carboxylic acid copolymers and acid anhydride-modified products and epoxy-modified products of their derivatives claim 1 , and combinations thereof.3. The ...

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20-06-2013 дата публикации

PARTICLES COMPRISING COMPOSITE OF PARA-ARAMID AND ADDITIVE MATERIAL

Номер: US20130158171A1
Принадлежит: TEIJIN ARAMID B.V.

The invention pertains to a method for making a polymer-additive composite particle from a dope by jet spinning the dope to obtain a pulp, fibril or fibrid, wherein the solvent of the dope is selected from N-methyl-2-pyrrolidone, N,N′-dimethylformamide, N,N′-dimethylacetamide, tetramethylurea, and 4 to 75 wt % of a composition consisting of 2 to 95 wt % of a para-aramid polymer and 5-98 wt % of a solid additive material, to a total of 100 wt %, and wherein the aramid polymer is dissolved in the solvent; or coagulating the dope by means of a rotor-stator apparatus in which the polymer solution is applied through the stator on the rotor so that the precipitating polymer-additive composite particle is subjected to shear forces while they are in a plastic deformable stage. 1. A dope comprising (a) a solvent selected from the group consisting of N-methyl-2-pyrrolidone , N ,N′-dimethylformamide , N ,N′-dimethylacetamide , tetramethylurea , and mixtures thereof; (b) an alkali or earth alkali chloride; and (c) 4 to 75 wt % of a composition consisting of poly(para-phenylene terephthalamide) and a solid additive material , the poly(para-phenylene terephthalamide) being present in the composition in an amount of 2 to 80 wt % and the solid additive material being present in the composition in an amount of 20 to 98 wt %; wherein the poly(para-phenylene terephthalamide) is dissolved in a mixture of the alkali or earth alkali chloride and the solvent.2. The dope of claim 1 , wherein the mixture further includes water and the dope comprises (a) 1 to 8 wt % of the poly(para-phenylene terephtalamide); and (b) between 0.7 mole of the alkali or earth alkali chloride per mole amide groups of the poly(para-phenylene terephthalamide) and 7.5 wt % of the alkali or earth alkali chloride based on the weight of the mixture claim 1 , wherein the poly(para-phenylene terephthalamide) is dissolved in the mixture claim 1 , and (c) hydrochloric acid and/or neutralized hydrochloric acid; wherein at ...

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27-06-2013 дата публикации

Substrate structure and method for making the same

Номер: US20130161864A1
Принадлежит: Chi Mei Corp

A substrate structure includes a support, a release layer releasably disposed on the support, and a flexible substrate disposed on the release layer. The release layer is made from a polymer composition including a polymer component obtained by subjecting a diamine component (A) and a tetracarboxylic dianhydride component (B) to a polymerization reaction.

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04-07-2013 дата публикации

POLYAMIDE COMPOSITION CONTAINING IONOMER

Номер: US20130167966A1
Принадлежит: E I DU PONT DE NEMOURS AND COMPANY

Disclosed is a composition comprising polyamide comprising nylon-6/12 or a polyamide comprising a first repeat unit of formula (I) 2. The article of wherein the at least one copolymer is a dipolymer consisting essentially of copolymerized comonomers of ethylene and 12 to 20 weight % of acrylic acid or methacrylic acid.3. The article of wherein copolymerized units of alkyl acrylate or alkyl methacrylate are present in the copolymer from 0.1 to about 30 weight %.4. The article of wherein the salts consist essentially of zinc cations.5. The article of wherein the salts comprise a mixture of zinc and sodium cations.6. The article of wherein the salts comprise a mixture of zinc and lithium cations.7. The article of wherein the polyamide consists essentially of nylon-6/12.8. The article of wherein the polyamide consists essentially of (2).9. The article of wherein the composition further comprises non-ionomeric thermoplastic materials.10. The article of comprising from 1 to 15 weight % of an impact modifier comprising polyethylene claim 9 , ethylene-propylene dipolymer claim 9 , ethylene-propylene terpolymer with an additional α-olefin claim 9 , or ethylenepropylene diene mononomer claim 9 , each grafted with a carboxylic acid or anhydride.11. The article of wherein the polyamide consists essentially of nylon-6/12.12. The article of wherein the polyamide consists essentially of (2).13. The article of wherein the composition further comprises a sulfonamide plasticizer.14. The article of wherein the blend composition exhibits salt stress crack behavior when tested according to ASTM D1693 that is characterized by standard test plaques that exhibit no cracks when exposed to 50% aqueous zinc chloride solution at about 45 to about 55° C. for at least 24 hours.15. The article of wherein standard test plaques exhibit no cracks when exposed to 50% aqueous zinc chloride solution at about 45 to about 55° C. for at least seven days.16. The article of wherein the article is a hose ...

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04-07-2013 дата публикации

PROCESS FOR PRODUCING A MOULDING FROM A POLYAMIDE MOULDING COMPOSITION WITH IMPROVED HYDROLYSIS RESISTANCE

Номер: US20130171388A1
Принадлежит:

A process for producing hydrolysis-resistant mouldings with geometries having large dimensions by cumulative condensation of a polyamide moulding composition, is provided. The process includes mixing a polyamide moulding composition of a polyamide having at least 50% of amino end groups with 0.1 to 5% by weight, based on the polyamide moulding composition, of an oligo- or polycarbodiimide. The mixture is subsequently processed to give the moulding, wherein cumulative condensation is obtained during the processing of the moulding. 1. A process for producing a moulding , comprising:mixing a polyamide having amino end groups and an oligo- or polycarbodiimide to prepare a moulding composition;optionally, storing the prepared composition, transporting the prepared composition or storing and transporting the prepared composition;processing the moulding composition to obtain a moulding having cumulative condensation;whereinat least 50% of end groups of the polyamide are amino groups,.a content of the oligo- or polycarbodiimide is 0.1 to 5% by weight, based on the polyamide moulding composition, andthe cumulative condensation is obtained only during the processing to form the moulding.2. The process according to claim 1 , further comprising:preparing a masterbatch comprising the oligo- or polycarbodiimide and at least one of a polyamide and a polyetheramide; andusing the masterbatch to supply the oligo- or polycarbodiimide which is mixed with the polyamide to prepare the moulding composition.3. The process according to claim 2 ,whereina concentration of the oligo- or polycarbodiimide in the masterbatch is from 0.15 to 40% by weight of the masterbatch.4. The process according to claim 1 , further comprising:adding an at least difunctional, amine-reactive compound to the moulding composition;whereina content of the difunctional amine-reactive based on the weight of the moulding composition is from 0.1 to 5% by weight.5. The process according to claim 2 , further comprising: ...

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04-07-2013 дата публикации

Polyamide Resin Composition Having Improved Physical Properties Including Thin-wall Moldability

Номер: US20130172453A1
Принадлежит: CHEIL INDUSTRIES INC.

A polyamide resin composition comprises (A) about 10 to about 70% by weight of a crystalline polyamide resin, (B) about 10 to about 70% by weight of an amorphous polyamide resin, (C) about 5 to about 30% by weight of an inorganic filler, and (D) about 10 to about 50% by weight of a white pigment. The polyamide resin composition can have good thin-wall moldability, light reflectance, yellowing resistance, impact strength and heat resistance. 1. A polyamide resin composition comprising:(A) about 10 to about 70% by weight of a crystalline polyamide resin;(B) about 10 to about 70% by weight of an amorphous polyamide resin;(C) about 5 to about 30% by weight of an inorganic filler; and(D) about 10 to about 50% by weight of a white pigment.2. The polyamide resin composition of claim 1 , wherein the polyamide resin composition further comprises (E) about 0.01 to about 2 parts by weight of a light stabilizer based on about 100 parts by weight of the crystalline polyamide resin (A) claim 1 , the amorphous polyamide resin (B) claim 1 , the inorganic filler (C) and the white pigment (D).3. The polyamide resin composition of claim 1 , wherein the polyamide resin composition further comprises (F) about 0.01 to about 2 parts by weight of a sodium phosphate salt based on about 100 parts by weight of the crystalline polyamide resin (A) claim 1 , the amorphous polyamide resin (B) claim 1 , the inorganic filler (C) and the white pigment (D).4. The polyamide resin composition of claim 1 , wherein the crystalline polyamide resin (A) has a repeating unit derived from a dicarboxylic acid including an aromatic dicarboxylic acid and an aliphatic diamine claim 1 , cycloaliphatic diamine claim 1 , or a combination thereof.6. The polyamide resin composition of claim 1 , wherein the crystalline polyamide resin (A) has a crystallization temperature of about 260 to about 320° C. measured by differential scanning calorimetry (DSC) and a glass transition temperature of less than about 130° C. ...

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04-07-2013 дата публикации

Polyphenylene Sulfide Resin Composition with Improved Thermal Conductivity and Surface Appearance and Articles Thereof

Номер: US20130172466A1
Принадлежит: CHEIL INDUSTRIES INC.

A polyphenylene sulfide resin composition comprises (A) about 30 to about 50% by weight of a polyphenylene sulfide resin; (B) about 1 to about 5% by weight of an amorphous polyamide resin; and (C) about 45 to about 69% by weight thermally conductive insulating fillers. 1. A polyphenylene sulfide resin composition comprising:(A) about 30 to about 50 wt % of a polyphenylene sulfide resin;(B) about 1 to about 5 wt % of an amorphous polyamide resin; and(C) about 45 to about 69 wt % of thermally conductive insulating fillers.2. The polyphenylene sulfide resin composition of claim 1 , wherein the polyphenylene sulfide resin (A) has a weight average molecular weight of about 3 claim 1 ,000 to about 50 claim 1 ,000 g/mol.3. The polyphenylene sulfide resin composition of claim 1 , wherein the amorphous polyamide resin (B) has a glass transition temperature (Tg) about 110 to about 200° C.5. The polyphenylene sulfide resin composition of claim 1 , wherein the amorphous polyamide resin (B) includes polyamide prepared from terephthalic acid and 2 claim 1 ,2 claim 1 ,4-trimethyl hexamethylene diamine or 2 claim 1 ,4 claim 1 ,4-trimethyl hexamethylene diamine; polyamide prepared from isophthalic acid and 1 claim 1 ,6-hexamethylene diamine; a copolyamide prepared from a combination of terephthalic acid/isophthalic acid and 1 claim 1 ,6-hexamethylene diamine; a copolyamide prepared from isophthalic acid claim 1 , 3 claim 1 ,3′-dimethyl-4 claim 1 ,4′-diamino dicyclohexylmethane claim 1 , and laurolactam or lactam; copolyamide prepared from a combination of terephthalic acid/isophthalic acid claim 1 , 3 claim 1 ,3′-dimethyl-4 claim 1 ,4′-diamino dicyclo hexylmethane and laurolactam claim 1 , or a combination thereof.6. The polyphenylene sulfide resin composition of claim 1 , wherein the thermally conductive insulating fillers (C) include spherical thermally conductive insulating fillers (c1) claim 1 , plate-shaped thermally conductive insulating fillers (c2) or a combination thereof.7 ...

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04-07-2013 дата публикации

Thermoplastic elastomer compositions

Номер: US20130172484A1
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a thermoplastic elastomer composition comprising (i) about 10-60 wt % of at least one aliphatic polyamide; (ii) about 0.8-15 wt % of at least one graft-modified ethylene-olefin elastomeric copolymer; (iii) about 0.8-15 wt % of at least one graft-modified ethylene-propylene elastomeric copolymer, and (iv) about 35-85 wt % of at least one polyether-ester-amide block copolymer having a shore D of about 50-60 (as measured in accordance with ASTM D2240), with the total wt % of all components in the composition totaling to 100 wt %. Further disclosed herein is an article made from the thermoplastic elastomer composition disclosed above.

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04-07-2013 дата публикации

FUEL PART

Номер: US20130172495A1
Принадлежит:

This invention relates to a fuel part, comprising a polymer composition comprising at least 1 wt % with respect to the total weight of polymer in the polymer composition of a component A, being an aliphatic, semi-crystalline, polyamide which has as building blocks diamines with at least 2 carbon atoms and at most 5 carbon atoms and diacids with at least 10 carbon atoms. The invention also relates to a process for preparation of such fuel part. 1. Fuel part , comprising a polymer composition comprising at least 1 wt % with respect to the total weight of polymer in the polymer composition of a component A , being an aliphatic , semi-crystalline , polyamide which has as building blocks diamines with at least 2 carbon atoms and at most 5 carbon atoms and diacids with at least 10 carbon atoms.2. Fuel part according to claim 1 , in which component A is linear.3. Fuel part according to claim 1 , characterized in that the diacid with at least 10 carbon atoms is decanedioic acid.4. Fuel part according to claim 1 , characterized in that the diamine with at least 2 carbon atoms and at most 5 carbon atoms is butane-1 claim 1 ,4-diamine.5. Fuel part according to claim 1 , characterized in that the diacid with at least 10 carbon atoms is decanedioic acid and the diamine with at least 2 carbon atoms and at most 5 carbon atoms is butane-1 claim 1 ,4-diamine.6. Fuel part according to claim 1 , characterized in that the amount of component A is at least 70 wt % with respect to the total weight of polymer in the polymer composition.7. Fuel part according to claim 1 , in which the polymer composition further comprises at least 5 wt % with respect to the total weight of polymer in the polymer composition of a component B.8. Fuel part according to claim 7 , characterized in that component B is chosen from the group of polyamide-6 claim 7 , polyamide-66 or polyamide-46 claim 7 , and polyamide-12.9. Process for preparation of a fuel part according claim 1 , characterized in that a polymer ...

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18-07-2013 дата публикации

POLYMER MICROPARTICLES AND PROCESS FOR PRODUCTION THEREOF

Номер: US20130183528A1
Принадлежит:

A process of producing polymer microparticles wherein, in a system which includes a polymer (A), a polymer (B) and an organic solvent and can cause phase separation into two phases of a solution phase mainly composed of the polymer (A) and a solution phase mainly composed of the polymer (B) when the polymer (A), the polymer (B) and the organic solvent are dissolved and mixed together, after an emulsion is formed at a temperature of 100° C. or higher, the polymer (A) is precipitated by bringing a poor solvent for the polymer (A) into contact with the emulsion. 1. A process of producing polymer microparticles wherein , in a system which comprises a polymer (A) , a polymer (B) and an organic solvent and can cause phase separation into two phases of a solution phase mainly composed of said polymer (A) and a solution phase mainly composed of said polymer (B) when said polymer (A) , said polymer (B) and said organic solvent are dissolved and mixed together , after an emulsion is formed at a temperature of 100° C. , said polymer (A) is precipitated by bringing a poor solvent for said polymer (A) into contact with said emulsion.2. The process according to claim 1 , wherein said polymer (A) is a crystalline thermoplastic resin having a melting point of 100° C. or higher.3. The process according to claim 1 , wherein said polymer (A) is a crystalline thermoplastic resin containing at least one structural unit selected from the group consisting of an amide unit claim 1 , an ester unit claim 1 , a sulfide unit and a carbonate unit claim 1 , in a molecular principal chain structure of said polymer (A).4. The process according to claim 1 , wherein said polymer (A) is a crystalline thermoplastic resin selected from the group consisting of a polyimide group claim 1 , a polyester group and a polyphenylene sulfide group.5. The process according to claim 1 , wherein an SP value of said polymer (B) is 20 (J/cm)or higher.6. The process according to claim 1 , wherein solubility into water ...

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18-07-2013 дата публикации

POWDER COMPRISING POLYMER-COATED POLYMERIC CORE PARTICLES

Номер: US20130183529A1
Принадлежит: EVONIK DEGUSSA GmbH

The invention relates to powder, comprising composite particles comprising core particles completely or partially coated with a precipitated first polymer, where the core particles comprise a second polymer which differs from the precipitated first polymer, and where the ratio of the dmedian diameter of the composite particles to the dmedian diameter of the core particles is 1.15 or greater. The invention further relates to processes of using the powders of the present invention to making mouldings. 1. A powder , comprising composite particles comprising core particles completely or partially coated with a precipitated first polymer , where the core particles comprise a second polymer which differs from the precipitated first polymer , and where the ratio of the dmedian diameter of the composite particles to the dmedian diameter of the core particles is 1.15 or greater.2. A powder according to claim 1 , wherein the core particles consist of the second polymer.3. A powder according to claim 1 , wherein the second polymer is selected from the group consisting of a polycarbonate claim 1 , a polymethyl methacrylate claim 1 , a polypropylene claim 1 , a polybutylene terephthalate claim 1 , a polyethylene terephthalate claim 1 , a polyether ether ketone and a polyphthalamide.4. A powder according to claim 1 , wherein the precipitated first polymer is selected from the group consisting of a polyolefin claim 1 , a polyethylene claim 1 , a polypropylene claim 1 , a polyvinyl chloride claim 1 , a polyacetal claim 1 , a polystyrene claim 1 , a polyimide claim 1 , a polysulphone claim 1 , a poly(N-methylmethacrylimide) claim 1 , a polymethyl methacrylate claim 1 , a polyvinylidene fluorides claim 1 , an ionomer claim 1 , a polyether ketone claim 1 , a polyaryl ether ketone claim 1 , a polyamide claim 1 , a copolyamide claim 1 , and a mixture thereof.5. A powder according to claim 1 , wherein the precipitated first polymer is a mixture of a homopolyamide and a copolyamide.6. A ...

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18-07-2013 дата публикации

PROCESS FOR THE MANUFACTURE OF A POLYAMIDE

Номер: US20130184413A1
Принадлежит: Rhodia Operations

The present invention relates to a process for the manufacture of polyamide. The invention relates more particularly to a process for the manufacture of polyamide from at least one diacid and from at least one diamine, comprising the introduction of lactam and/or of amino acid after a stage of concentration of an aqueous solution of salt of diacid and diamine. 1. A process for the manufacture of a polyimide , the process comprising manufacturing the polyamide from at least one diacid , from at least one diamine and from at least one lactam , the process further comprising the following stages:a) concentrating by evaporation of water, an aqueous solution of salt of diacid and diamine obtained by mixing at least one diacid and at least one diamine,b) polymerizing under pressure, the concentrated aqueous solution,c) reducing in pressure the polymerization medium in order to remove residual water by evaporation,d) optionally maintaining at temperature of the polymer, at atmospheric pressure or under reduced pressure, in order to obtain a desired degree of polymerization, ande) optionally forming of the polymer obtained,wherein the lactam is introduced into the solution or the polymerization medium at the end of stage a) or after stage a);and wherein a proportion of monomer units resulting from the lactam in the final polymer, by weight with respect to the weight of final polymer, is from 2.5% to 25%.2. The process as defined in claim 1 , wherein the lactam is introduced before stage d).3. The process as defined in claim 2 , wherein the lactam is introduced before stage b).4. The process as defined in claim 1 , wherein the aqueous solution of salt of diacid and diamine claim 1 , before it is concentrated according to stage a) claim 1 , does not comprise lactam.5. The process as defined in claim 1 , wherein the concentration by weight of salt in the aqueous solution of salt of diacid and diamine claim 1 , before stage a) claim 1 , is from 40% to 70%.6. The process as ...

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25-07-2013 дата публикации

Thermoplastic moulding compositions with increased hydrolysis resistance

Номер: US20130190443A1
Принадлежит: LANXESS DEUTSCHLAND GMBH

This invention relates to thermoplastic moulding compositions comprising A) polyamide and/or copolyamide, B) at least one copolymer of at least one olefin and of at least one acrylate of an aliphatic alcohol, C) at least one filler and/or reinforcing material, D) at least one oligomeric and/or polymeric carbodiimide, and optionally also at least one other additive E) and optionally at least one impact modifier F). The invention further relates to mouldings or semifinished products which are produced from the moulding compositions according to the invention, preferably by means of injection moulding. However, the present invention also relates to the use of a substance combination made of at least one component B) and of at least one component D) for improving the hydrolysis resistance of polyamide-based products.

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25-07-2013 дата публикации

COMPOSITIONS COMPRISING LACTAM

Номер: US20130190454A1
Принадлежит: BASF SE

The invention relates to a composition comprising the following components: 115-. (canceled)16. A composition comprising:(A) at least one lactam(B) at least one catalyst(C) an activator selected from the group consisting of of isocyanates, anhydrides, acyl halides, reaction products of these with (A), and mixtures of these(D) at least one non-functionalized rubber, which comprises no functional groups having heteroatoms(E) at least one hydroxy-terminated rubber.17. The composition according to comprising(A) from 50 to 99.5% by weight of at least one lactam(B) from 0.1 to 10% by weight of at least one catalyst(C) from 0.1 to 5% by weight of an activator selected from the group consisting of isocyanates, anhydrides, acyl halides, reaction products of these with (A), and mixtures of these(D) from 0.25 to 45% by weight of at least one non-functionalized rubber, which comprises no functional groups having heteroatoms(E) from 0.05 to 25% by weight of at least one hydroxy-terminated rubber, where the % by weight data are based on components (A) to (E) and the total here is 100% by weight.18. The composition according to claim 16 , where the weight-average molar mass of the non-functionalized rubber (D) is from 500 to 300 000 g/mol claim 16 , determined from GPC with light scattering in hexafluoroisopropanol (HFIP) at 40° C.19. The composition according to claim 16 , where the Tg value of the non-functionalized rubber (D) is from −150° C. to 25° C. claim 16 , determined under nitrogen as inert gas by Differential Scanning calorimetry (DSC) with a start temperature of −180° C. claim 16 , an end temperature of 200° C. claim 16 , and a heating rate of 20 [K/min].20. The composition according to claim 16 , where the weight-average molar mass determined by means of light scattering for the hydroxy-terminated rubber (E) is from 500 to 60 000 g/mol.21. The composition according to claim 16 , wherein component (D) comprises at least one non-functionalized styrene-butadiene block ...

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25-07-2013 дата публикации

Impact-resistant polyamide composition and process for production of same

Номер: US20130190471A1
Принадлежит: Nagase Chemtex Corp

Provided are: an impact-resistant polyamide composition which exhibits improved toughness and improved impact strength and which can be easily polymerized in-situ in a molding stage; and a novel process for the production of the same. The novel process comprises initiating the anionic polymerization of ε-caprolactam in the presence of (A) an anionic polymerization catalyst, (B) an anionic polymerization activator, (C) 2.0 to 30% by weight (relative to the ε-caprolactam) of an N,N-disubstituted vinylbenzylamine, and (D) a radical polymerization initiator, and subjecting the resulting system to reaction under conditions comprising a reaction temperature of the reaction system of 120 to 180° C. and a reaction time of 10 seconds to 120 minutes. Since radical polymerization in the process is conducted without hindering the anionic polymerization, an alloyed polyamide composed of both polycaprolactam and poly (N,N-disubstituted vinylbenzylamine) can be obtained.

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01-08-2013 дата публикации

Stain-resistant articles

Номер: US20130197150A1
Принадлежит: SOLVAY SPECIALTY POLYMERS USA, LLC

The present invention relates to stain- or dye-resistant light colored articles comprising a polymer composition (C) comprising a semi-aromatic polyamide comprising recurring units resulting from the condensation of terephthalic acid, isophthalic acid and at least one aliphatic diamine comprising 6 carbon atoms, a filler and from 0.1 to 35 wt. % of a white pigment, based on the total weight of the polymer composition (C). 2. The article according to claim 1 , wherein the polymer composition (C) comprises at least 40 wt. % of the semi-aromatic polyamide claim 1 , based on the total weight of the polymer composition (C).3. The article according to claim 1 , wherein the polymer composition (C) comprises at least 20 wt. % of the filler claim 1 , based on the total weight of the polymer composition (C).4. The article according to claim 1 , wherein the polymer composition (C) comprises at least 1 wt. % of the white pigment claim 1 , based on the total weight of the polymer composition (C).5. The article according to claim 1 , wherein the filler is glass fiber or wollastonite.6. The article according to claim 1 , wherein the white pigment is selected from the group consisting of titanium dioxide claim 1 , barium sulfate and zinc sulfide.7. The article according to claim 1 , being an electronic equipment housing.8. The article according to claim 7 , being a portable electronic device housing.9. The article according to claim 8 , being a mobile telephone housing claim 8 , personal digital assistants housing claim 8 , laptop computers housing claim 8 , tablet computer housing claim 8 , global positioning system receiver housing claim 8 , portable game housing claim 8 , radio housing claim 8 , cameras housing or camera accessory housing.10. The article according to being an injection molded article claim 1 , an extruded molded article claim 1 , a shaped article claim 1 , a coated article or a casted article.11. A method for conferring anti-staining properties to an article ...

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