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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 7620. Отображено 100.
14-02-2013 дата публикации

Carbonized asphaltene-based carbon-carbon fiber composites

Номер: US20130040520A1

A method of making a carbon binder-reinforced carbon fiber composite is provided using carbonized asphaltenes as the carbon binder. Combinations of carbon fiber and asphaltenes are also provided, along with the resulting composites and articles of manufacture.

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16-05-2013 дата публикации

Fluoroelastomer composition

Номер: US20130123412A1
Принадлежит: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

A (per)fluoroelastomer composition having improved plasma resistance comprising at least one (per)fluoroelastomer [fluoroelastomer (A)] and from 0.1 to 50 weight parts per 100 parts by weight of said fluoroelastomer (A) of alkaline-earth metal carbonate particles [particles (P)]. Each particle comprises a core consisting essentially of at least one alkaline-earth metal carbonate and a shell consisting essentially of at least one Group IV transition metal compound. 1. A (per)fluoroelastomer composition comprising:at least one (per)fluoroelastomer [fluoroelastomer (A)]; and(A) of alkaline-earth metal carbonate particles [particles (P)], each said-particle comprising:(a) a core consisting essentially of at least one alkaline-earth metal carbonate; and(b) a shell consisting essentially of at least one Group IV transition metal compound.6. The (per)fluoroelastomer composition of claim 1 , wherein the particles (P) comprise a core consisting essentially of at least one carbonate selected from the group consisting of magnesium carbonate claim 1 , calcium carbonate claim 1 , strontium carbonate claim 1 , barium carbonate claim 1 , and mixtures thereof.7. The (per)fluoroelastomer composition of claim 1 , wherein the particles (P) comprise a shell consisting of at least one compound selected from the group consisting of titanium compounds claim 1 , zirconium compounds claim 1 , hafnium compounds and mixtures thereof.8. The (per)fluoroelastomer composition of claim 1 , wherein the Group IV transition metal compound of the shell is a titanium compound claim 1 , and wherein said shell comprises TiO claim 1 , in amorphous and/or crystalline form.9. A method for fabricating shaped articles claim 1 , comprising using the (per)fluoroelastomer composition of .10. The method according to claim 9 , wherein the (per)fluoroelastomer composition is fabricated by moulding claim 9 , calendering claim 9 , or extrusion claim 9 , into the desired shaped article claim 9 , which is subjected to ...

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30-05-2013 дата публикации

DELAMINATION RESISTANT, WELDABLE AND FORMABLE LIGHT WEIGHT COMPOSITES

Номер: US20130136944A1
Принадлежит: Productive Research LLC

The present invention relates to filled polymeric materials including a thermoplastic polymer and a metallic fiber and to light weight composite materials which comprise a metallic layer and a polymeric layer, the polymeric layer containing the filled polymeric material The composite materials of the present invention may be formed using conventional stamping equipment at ambient temperatures. Composite materials of the present invention may also be capable of being welded to other metal materials using conventional welding techniques. The composites exhibit resistance to delamination. 1. (canceled)2. The composite material of claim 7 , wherein the at least one first thermoplastic polymer includes at least one polyolefinic polymer.3. The composite material of claim 7 , wherein the at least one first thermoplastic polymer includes a linear low density polyethylene.4. The composite material of claim 3 , wherein the second thermoplastic polymer is selected from a thermoplastic elastomer (e.g. claim 3 , one that includes ethylene-octene) claim 3 , and ionomer or a combination thereof.5. (canceled)6. A composite material comprising: i. at least one first thermoplastic polymer; and', 'ii. at least one second thermoplastic polymer that is different from the first thermoplastic polymer; and, 'a. a polymeric-based matrix that includes a mixture of i. including a plurality of metallic fibers having at least one generally flat surface, and', 'ii. being present in concentration greater than about 3% by volume, based on the total volume of the filled polymeric material composite mass;, 'b. a mass of metallic fibers distributed throughout the matrix to form a filled polymeric material composite mass when the polymeric-based matrix, the mass of metallic fiberswherein the filled polymeric material composite mass is attached to a metal sheet.7. A composite material comprising: i. at least one first thermoplastic polymer; and', 'ii. at least one second thermoplastic polymer that is ...

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13-06-2013 дата публикации

COMPOSITE MATERIAL CONTAINING NATURAL FIBERS

Номер: US20130150490A1
Принадлежит: Henkel AG & Co. KGaa

Composite materials contain fibers from natural sources and polyamides, wherein the polyamides have a softening point below 220° C., and a heat deflection temperature above 50° C. The polyamides consist of a) 30 to 70 mol % dimeric fatty acids, b) 30 to 70 mol % aliphatic dicarboxylic acids, c) 70 to 98 mol % aliphatic diamines, d) up to 25 mol % cycloaliphatic diamines e) up to 20 mol % polyether diamines, wherein aliphatic dicarboxylic acids are selected from linear, non-branched C10 to C18 dicarboxylic acids, and wherein the weighted average number of C-atoms is between 11.5 to 14.5, and the sum of mol % for acids and amine each add to 100. 2. The composite material according to claim 1 , characterized in that the fibers are selected from animal or plant origin with a length from 1 to 50 mm.3. The composite material according to claim 2 , characterized in that the fibers are selected from cellulose claim 2 , wool claim 2 , cotton claim 2 , flax claim 2 , linen claim 2 , hemp claim 2 , sisal claim 2 , cocos or wood fibers.4. The composite material according to claim 3 , characterized in that the water content of the fibers is less than 5 wt %.5. The composite material according to claim 1 , characterized in that the polyamides have a softening point from 170 to 200° C. and a heat deflection temperature of 65 to 120° C.6. The composite material according to claim 5 , characterized in that the polyamides have a glass transition temperature of −10 to +25° C.7. The composite material according to claim 1 , characterized in that thealiphatic dicarboxylic acids (b) comprise at least 85 wt % of C12- to C14-dicarboxylic acids.8. The composite material according to claim 1 , characterized in that the diamines (c) contain at least 50 to 95 wt % C2 to C4-diamines.9. The composite material according to claim 1 , characterized in that it contains as additive flame retardant compounds and/or impact modifier.10. A process to manufacture shaped composite materials claim 1 , ...

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18-07-2013 дата публикации

MASTERBATCH, RUBBER COMPOSITION, AND PNEUMATIC TIRE

Номер: US20130184373A1
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The present invention aims to provide a masterbatch which enables microfibrillated plant fibers to be well dispersed in a rubber composition so that they can provide reinforcement equal to or greater than that by conventional fillers; a rubber composition containing the masterbatch; and a pneumatic tire produced using the rubber composition. The present invention relates to a masterbatch containing a modified natural rubber with a phosphorus content of 200 ppm or less, and microfibrillated plant fibers. Preferably, the microfibrillated plant fibers in a primary form have an average fiber diameter of 4 nm to 10 μm and an average fiber length of 100 nm to 200 μm. 1. A masterbatch , comprising:a modified natural rubber with a phosphorus content of 200 ppm or less; andmicrofibrillated plant fibers.2. The masterbatch according to claim 1 ,wherein the microfibrillated plant fibers in a primary form have an average fiber diameter of 4 nm to 10 μm and an average fiber length of 100 nm to 200 μm.3. The masterbatch according to claim 1 ,wherein the microfibrillated plant fibers are present in an amount of 5 to 30 parts by mass per 100 parts by mass of the modified natural rubber.4. A rubber composition claim 1 , comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the masterbatch according to ,'}wherein the microfibrillated plant fibers are present in an amount of 1 to 10 parts by mass per 100 parts by mass of the rubber component in the rubber composition.5. The rubber composition according to claim 4 , further comprising{'sup': 2', '2, 'at least one of carbon black having a nitrogen adsorption specific surface area of 25 to 190 m/g and silica having a nitrogen adsorption specific surface area of 70 to 300 m/g,'}wherein the rubber composition has a total content of the carbon black and the silica of 25 to 80 parts by mass per 100 parts by mass of the rubber component in the rubber composition.6. The rubber composition according to claim 4 ,wherein the rubber ...

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25-07-2013 дата публикации

Sinterable silver flake adhesive for use in electronics

Номер: US20130187102A1
Принадлежит: Henkel AG and Co KGaA, Henkel Corp

A conductive composition comprises (i) micro- or submicro-sized silver flake having a tap density of 4.6 g/cc or higher and (ii) a solvent that dissolves any fatty acid lubricant or surfactant present on the surface of the silver. In one embodiment, (iii) a small amount of peroxide is present. No organic resin is present in the composition.

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01-08-2013 дата публикации

METHOD FOR PRODUCING PELLETS FROM FIBER COMPOSITE MATERIALS AND CARBON FIBER CONTAINING PELLET

Номер: US20130196154A1

A method produces pellets from fiber composite materials suitable for further processing in a plastics finishing method. The pellets contain individual carbon fibers, carbon fiber bundles, or a mixture thereof and at least one thermoplastic matrix material. The carbon fibers, carbon fiber bundles, or a mixture thereof are isolated from waste or used parts that contain carbon fiber, laid flat together with the thermoplastic matrix material, compressed into a sheet material under the effect of heat, and subsequently cooled and comminuted into pellets, platelets, or chips. This enables the use of carbon fibers, from production waste components, as reinforcing fibers, whereby an inexpensive raw material is provided and the carbon fibers that are contained in the waste materials are recycled. The final carbon fibers are brought into a pourable and readily meterable form and can be used as raw materials for extrusion or injection molding for example. 1. A method for manufacturing pellets from fiber composite materials suitable for further processing in a plastics finishing method , the pellets containing carbon fibers and at least one thermoplastic matrix material , which comprises the steps of:isolating carbon fibers, carbon fiber bundles or a mixture thereof from waste or used parts which contain the carbon fibers;laying flat the carbon fibers with the thermoplastic matrix material resulting in a flat sheet;compressing the flat sheet into a sheet material using heat;cooling the sheet material; andcomminutating the sheet material into one of pellets, batts or chips.2. The method according to claim 1 , which further comprises initially producing claim 1 , at least one ply of discontinuous carbon fibers by flat laying the carbon fibers being discontinuous carbon fibers in one of a pneumatic random laying process claim 1 , a carding process claim 1 , a wet lay process claim 1 , a paper manufacturing process or a loose fill process.33150. The method according to claim 1 , ...

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08-08-2013 дата публикации

HIGHLY THERMALLY CONDUCTIVE RESIN MOLDED ARTICLE, AND MANUFACTURING METHOD FOR SAME

Номер: US20130202882A1
Принадлежит: KANEKA CORPORATION

The present invention provides a highly thermally conductive resin molded article that satisfies all demands of a high thermal conductivity, an insulation property, a low density, a mechanical strength, a high flowability of a thin-walled molded article, less abrasion on a die used for manufacturing, and high whiteness. The highly thermally conductive resin molded article at least includes (A) thermoplastic polyester resin, (B) platy talc particles, and (C) a fiber reinforcement, and (B) platy talc particle content falls within a range between 10% by volume and 60% by volume, where the entire composition is 100% by volume, a number average particle size of the platy talc particles falls within a range between 20 μm and 80 μm, and the (B) platy talc particles are oriented in a surface direction of the highly thermally conductive resin molded article. 1. A highly thermally conductive resin molded article at least comprising:(A) thermoplastic polyester resin;(B) platy talc particles; and(C) a fiber reinforcement,(B) platy talc particle content falling within a range between 10% by volume and 60% by volume, where an entire composition is 100% by volume,a number average particle size of the (B) platy talc particles falling within a range between 20 μm and 80 μm, andthe (B) platy talc particles being oriented in a surface direction of said highly thermally conductive resin molded article.2. The highly thermally conductive resin molded article as set forth in claim 1 , wherein:said highly thermally conductive resin molded article has been molded by an injection molding method.3. The highly thermally conductive resin molded article as set forth in claim 1 , wherein:a volume ratio of the (B) platy talc particles is higher than that of the (C) fiber reinforcement.4. The highly thermally conductive resin molded article as set forth in claim 1 , wherein:a melt flow rate falls within a range between 5 g/10 min and 200 g/10 min under a condition that a temperature is 280° C. and ...

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29-08-2013 дата публикации

FIBER STRUCTURE, METHOD FOR ITS MANUFACTURE AND USE AS WELL AS FIBER-RESIN COMPOSITE MATERIAL

Номер: US20130225721A1
Автор: HOPPE Ralf
Принадлежит: EMS-PATENT AG

The invention relates to a fixed and/or stabilized fiber structure from a fibrous material as well as from an agent for its fixing and stabilizing. The agent for fixing and stabilizing is a statistical copolyester which is formed from the diacid components terepththalic acid and, optionally, isophthalic acid as well as the diol components butanediol, diethylene glycol and triethylene glycol. A method of manufacturing this fiber structure is also provided. The fiber structure is used as a reinforcement material for polymer matrices, in particular epoxy resins. A fiber composite material containing at least one thermosetting resin as well as the fiber structure in accordance with the invention is furthermore provided. 1. A fixed and/or stabilized fiber structure from a fibrous material and an agent for its fixing and stabilizing ,characterized in that the agent for fixing and stabilizing is at least one statistical copolyester which is formed from the following components:from 55 to 100 mol % terephthalic acid;from 0 to 45 mol % isophthalic acid;from 35 to 75 mol % butanediol:from 15 to 35 mol % diethylene glycol;from 10 to 30 mol % triethylene glycol,wherein the sum of the molar fractions of terephthalic acid and butanediol is a maximum of 150 mol % with respect to the total diacid and total diol quantities of 100 mol % each.2. A fiber structure in accordance with claim 1 , characterized in that the at least one statistical copolyester is formed from the following components:from 70 to 100 mol %, preferably from 85 to 100 mol % terephthalic acid,from 0 to 30 mol %, preferably from 0 to 15 mol % isophthalic acid;of 45 to 65 mol %, preferably from 47 to 57 mol % butanediol;from 20 to 30 mol %, preferably from 23 to 28 mol % diethylene glycol;from 15 to 25 mol %, preferably from 20 to 25 mol % triethylene glycol,wherein the sum of the molar fractions of terephthalic acid and butanediol is a maximum of 150 mol % with respect to the total diacid and total diol quantities ...

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19-09-2013 дата публикации

RESIN SLIDING MEMBER

Номер: US20130245184A1
Принадлежит: DAIDO METAL COMPANY LTD.

Disclosed is a resin sliding member, including: 0.5 to 25 vol % of calcium fluoride dispersed as particles; and a synthetic resin as a remainder. The calcium fluoride is crystalline, and a peak intensity of a (111) plane of the calcium fluoride exposed on a sliding surface is larger than a peak intensity of a (220) plane. 1. A resin sliding member , comprising:0.5 to 25 vol % of calcium fluoride dispersed as particles; anda synthetic resin as a remainder,wherein the calcium fluoride is crystalline, anda peak intensity of a (111) plane of the calcium fluoride exposed on a sliding surface is larger than a peak intensity of a (220) plane.2. The resin sliding member according to claim 1 , wherein an average particle diameter of the calcium fluoride is 1 to 20 μm. The present application claims priority from JP Patent Application Ser. No. 2012-61158 filed on Mar. 16, 2012, the content of which is hereby incorporated by reference into this application.(1) Field of the InventionThe present invention relates to a resin sliding member which does not contain lead or lead compounds and excels in friction and wear properties, and more particularly, to a resin sliding member suitable for a bearing of various vehicles such as an automobile, a bearing of general industrial machinery, or the like.(2) Description of Related ArtConventionally, synthetic resins such as fluorine resin, PEEK (polyether ether ketone) resin and PAI (polyamide-imide) resin have been widely used for a resin sliding member such as a bearing because of the excellent self-lubricating properties. In general, the resin sliding member has been used by filling it with lead or lead compounds to provide wear resistance and seize resistance. In recent years, however, since lead and lead compounds have been considered as environmentally hazardous substances, the use thereof should be abandoned. For this reason, various fillers have been proposed as an alternative material of lead or lead compounds, and for example, JP ...

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03-10-2013 дата публикации

Elastomer Formulations

Номер: US20130261221A1
Принадлежит:

This present invention relates to carbon nanotubes as fillers in composites with materials such as elastomers, thermosets and thermoplastics. A further feature of this invention relates to the development of a concentrate of carbon nanotubes with an elastomer wherein the concentrate can be further diluted with an elastomer and other polymers and fillers using conventional melt mixing. 1. A mixture comprising discrete nanotubes , an elastomer and , as optional components , a dispersing agent and/or an antioxidant.2. The mixture according to claim 1 , wherein the elastomer is selected from the group consisting of natural rubbers claim 1 , polyisobutylene claim 1 , polybutadiene claim 1 , styrene-butadiene rubber claim 1 , ethylene propylene diene rubbers claim 1 , butyl rubber claim 1 , polyisoprene claim 1 , nitrile rubbers claim 1 , hydrogenated nitrile rubbers claim 1 , polyurethanes claim 1 , polyethers claim 1 , halogen containing elastomers claim 1 , fluoroelastomers and combinations thereof.3. The mixture according to claim 1 , further comprising a dispersing agent is selected from the group consisting of anionic claim 1 , non-ionic or cationic surfactants claim 1 , and mixtures thereof.4. The mixture according to further comprising an antioxidant selected from primary and secondary antioxidants claim 1 , and mixtures thereof.5. The mixture according to claim 1 , wherein the nanotubes have an aspect ratio of 10 or more.6. The mixture according to claim 1 , wherein the nanotubes are further functionalised.7. The mixture according to claim 6 , wherein the nanotubes comprise an oxidation level of 2.5 to 15 weight percent.8. A method of making a mixture containing discrete nanotubes and an elastomer comprising mixing the elastomer and the discrete nanotubes at a temperature of 20 to 200° C.9. The method according to claim 8 , wherein the mixing is performed in the presence of a solvent.10. The method according to claim 9 , comprising forming a master batch of ...

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03-10-2013 дата публикации

CARBON NANOTUBE CONTAINING RUBBER COMPOSITIONS

Номер: US20130261246A1
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention provides a vulcanizable composition containing a specific hydrogenated nitrile rubber, at least one cross-linking agent and carbon nanotubes, a process for preparing such composition and the use thereof for preparing vulcanizates. Said vulcanizates exhibit excellent heat performance, oil resistance and mechanical strength. 1. A vulcanizable composition comprising a hydrogenated carboxylated nitrile rubber (HXNBR) having a Mooney Viscosity (ML 1+4 @100° C.) in the range from 65-85 , at least one cross-linking agent and 1 to 10 parts by weight of carbon nanotubes , based on 100 parts by weight of HXNBR.2. The vulcanizable composition according to claim 1 , wherein the carbon nanotubes are either a single-walled carbon nanotubes or a multiple-walled carbon nanotubes.35-. (canceled)6. The vulcanizable composition according to or claim 1 , wherein the carbon nanotubes have an average diameter of between 5 and 30 nm.8. The vulcanizable composition according to or claim 1 , wherein the hydrogenated carboxylated nitrile polymer comprises in the range of froma) 40 to 85 weight percent of repeating units derived from butadiene,b) 15 to 60 weight percent of repeating units derived from acrylonitrile, andc) 0.1 to 30 weight percent of repeating units derived from an α,β-unsaturated mono- or dicarboxylic acid,wherein the three monomers a), b) and c) have to be chosen in the given ranges, so that they sum up to 100 weight percent.10. The vulcanizable composition according to or claim 1 , wherein the cross-linking agent is either a peroxide claim 1 , a peroxide releasing compound or sulfur.11. The vulcanizable composition according to or comprising1) 100 parts by weight of HXNBR2) 1 to 10 parts by weight of at least one cross-linking agent, based on 100 parts by weight of HXNBR and3) 1 to 10 parts by weight of carbon nanotubes, based on 100 parts by weight of HXNBR.12. The vulcanizable composition according to or comprising1) 100 parts by weight of HXNBR2) 4 ...

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17-10-2013 дата публикации

CARBON FIBER PREPREG, METHOD FOR PRODUCING SAME AND CARBON FIBER REINFORCED COMPOSITE MATERIAL

Номер: US20130274413A1
Принадлежит: Toray Industries, Inc.

A carbon fiber prepreg includes carbon fiber bundles containing numerous carbon fiber single yarns and a matrix resin impregnated in the carbon fiber bundles, the value of the coefficient of variation, displayed as a percentage, of the number of the carbon fiber single yarns contained per unit area being 10% or less, wherein in each unit area, the width and the depth from the surface of the carbon fiber prepreg in the cutting plane when the carbon fiber prepreg is cut at right angles to the array direction (direction of the fiber axis) of the carbon fiber bundles are 100 μm and 30 μm respectively. A carbon fiber prepreg may have a projected area of a carbon fiber single yarn which has a fiber orientation angle of 0°±3° or more is 2% or less of the projected area of all carbon fiber single yarns. 1. A carbon fiber prepreg which comprises carbon fiber bundles composed of numerous carbon filaments and a matrix resin impregnated into the carbon fiber bundles , wherein a percentage variation coefficient of the number of the carbon filaments contained in a unit area having the depth of 30 μm from a surface of the carbon fiber prepreg and the width of 100 μm in a cut surface formed by cutting the carbon fiber prepreg perpendicularly to the orientation of the carbon fiber bundles is 10% or less.2. A carbon fiber prepreg which comprises carbon fiber bundles composed of numerous carbon filaments and a matrix resin impregnated into the carbon fiber bundles , wherein the projected area of the carbon filaments having a fiber orientation angle of 0°±3° or more in absolute value thereof is 2% or less of the projected area of all of the carbon filaments.3. The carbon fiber prepreg according to claim 1 , wherein the projected area of the carbon filaments having a fiber orientation angle of 0°±3° or more in absolute value thereof is 2% or less of the projected area of all of the carbon filaments.4. The carbon fiber prepreg according to claim 2 , wherein the projected area of the ...

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07-11-2013 дата публикации

Composite polymer film with graphene nanosheets as highly effective barrier property enhancers

Номер: US20130295367A1
Принадлежит: Northwestern University

Composite polymer films or layers have graphene-based nanosheets dispersed in the polymer for the reduction of gas permeability and light transmittance. 1. A composite film or layer comprising a polymer matrix and graphene nanosheets dispersed in the polymer matrix in an amount of 0.1 volume % or more.2. The film or layer of wherein the individual graphene nanosheets are dispersed in the polymer matrix in an amount up to about 2.5 volume %.3. The film or layer of wherein the individual graphene nanosheets have a thickness dimension of about 1 nm.4. (canceled)5. The film or layer of wherein the graphene nanosheets are surface functionalized.6. The film or layer of wherein the graphene nanosheets are functionalized to express alkyl claim 5 , substituted aklyl claim 5 , phenyl claim 5 , aryl claim 5 , substituted phenyl claim 5 , substituted aryl claim 5 , and combinations of said moieties.7. The film or layer of wherein the polymer matrix is selected from the group consisting of polystyrene claim 1 , polyacrylates claim 1 , polyolefins claim 1 , functionalized polyolefins (such as poly(vinyl chloride) claim 1 , poly(vinyl acetate) claim 1 , poly(vinyl alcohol) claim 1 , polyacrylonitriles) claim 1 , polyesters claim 1 , polyurethanes claim 1 , and polyethers.8. The film or layer of having a thickness of about 0.1 mm to about 50 mm.924.-. (canceled)25. A dispersion claim 1 , comprising polymer-treated reduced graphite oxide nanosheets dispersed in a dispersing medium.26. The dispersion of wherein the reduced graphite oxide nanosheets are coated with polymer.27. The dispersion of wherein the medium comprises an organic solvent.28. The dispersion of wherein the polymer-treated reduced graphite oxide nanosheets comprise isocyanate-treated reduced graphite oxide nanosheets.29. A material comprising a polymer-treated reduced graphite oxide nanosheet.30. The material of wherein the polymer-treated reduced graphite oxide nanosheet comprises an isocyanate-treated reduced ...

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07-11-2013 дата публикации

PROCESS FOR PREPARING ALUMINIUM TRIHYDROXIDE

Номер: US20130296466A1
Принадлежит:

The invention relates to a process for the milling-drying of a raw mixture containing aluminum trihydroxide having an average particle size Din the range from 50 to 130 μm and a specific BET surface area in the range from 0.01 to 0.5 m/g and containing from 0.1 to 20% by weight of water, based on the raw mixture, which comprises the steps 1. A process for the milling-drying of a raw mixture containing aluminum trihydroxide having an average particle size Din the range from 50 to 130 μm and a specific BET surface area in the range from 0.01 to 0.5 m/g and containing from 0.1 to 20% by weight of water , based on the raw mixture , which comprises the stepsi) introduction of the raw mixture into a milling-drying apparatus,ii) introduction of a hot air stream having a temperature in the range from 20 to 100° C. into the milling-drying apparatus so as to flow through the milling-drying apparatus andiii) comminution of the aluminum trihydroxide present in the raw mixture in the milling-drying apparatus.2. The process as claimed in claim 1 , wherein the raw mixture contains aluminum trihydroxide and from 3 to 15% by weight of water claim 1 , based on the raw mixture.3. The process as claimed in claim 1 , wherein the raw mixture contains aluminum trihydroxide having an average particle size Din the range from 90 to 110 μm.4. The process as claimed in claim 1 , wherein the milling-drying apparatus contains a rotor-stator system and the rotor has a circumferential velocity in the range from 20 to 200 m/s.5. The process as claimed in claim 1 , wherein the aluminum trihydroxide present in the raw mixture has an average residence time in the milling-drying apparatus in the range from 0.01 to 1 second.6. The process as claimed in claim 1 , wherein steps i) claim 1 , ii) and iii) proceed simultaneously and the process is carried out continuously.7. The process as claimed in claim 1 , wherein the hot air stream forms a turbulent flow having a Reynolds number of greater than 3000 in ...

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28-11-2013 дата публикации

Prepreg and fiber reinforced composite material

Номер: US20130316169A1
Принадлежит: TORAY INDUSTRIES INC

The present invention provides a prepreg comprising a reinforcement fiber [A], an epoxy resin [B] having two or more epoxy groups per molecule, a compound [C] capable of curing component [B], crosslinked resin particles [D] having a refractive index in the range of 1.49 to 1.61, and carbon black [E]. Furthermore, the surface layer of the prepreg that occupies 10% of the average prepreg thickness from each surface of the prepreg comprises components [B] to [E], and the refractive index, n 0 , of a cured epoxy resin produced by curing a resin composition comprising component [B] and component [C] and the refractive index, n 1 , of component [D] have the following relationship: 0.92≦n 1 /n 0 ≦1.05. Thus, the invention provides a prepreg that can produce fiber reinforced composite materials having decorative surfaces with decreased appearance irregularities and accordingly serves to manufacture fiber reinforced composite materials having excellent appearance.

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19-12-2013 дата публикации

COMPOSITES HAVING LEATHER-LIKE CHARACTERISTICS

Номер: US20130337711A1
Автор: Wool Richard
Принадлежит: University of Delaware

This present invention is directed to the use of bio-based materials such as functionalized plant oils and natural fibers to provide substitutes for leather materials. The bio-based materials provide composites made with a range of natural fibers such as flax, cotton, jute and kenaf fibers, combined with natural plant oils (triglycerides) such as soy oil, linseed oil and their fatty acids. The natural fibers may be used in their as-delivered woven or nonwoven state and the triglycerides and fatty acids are chemically modified to allow them to react in a controlled manner giving predictable thermal and mechanical properties. The resulting material is a breathable, water resistant, leather-like material. This present invention is also directed to methods of making the substitutes for leather materials. 1. A composite having leather characteristics , comprising a natural fiber and a cured resin matrix obtained from a curable resin comprised of at least one bio-based component selected from the group consisting of functionalized triglycerides , functionalized fatty acids , functionalized fatty acid monoesters and functionalized fatty acid diesters , wherein the composite contains microvoids which render the composite permeable and breathable.2. The composite of claim 1 , wherein the curable resin is comprised of at least one functionalized triglyceride and at least one functionalized fatty acid.3. The composite of claim 2 , wherein the curable resin includes at least one (meth)acrylated fatty acid.4. The composite of claim 1 , wherein the curable resin is additionally comprised of at least one functionalized monomer.5. The composite of claim 4 , wherein at least one functionalized monomer is selected from the group consisting of vinyl aromatic monomers and (meth)acrylate monomers.6. The composite of claim 1 , wherein the natural fiber is in the form of a fabric.7. The composite of claim 1 , wherein the natural fiber is in the form of a woven fabric.8. The composite of ...

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19-12-2013 дата публикации

RESINS FROM UNSATURATED POLYESTERS AND POLYSILAZANES AND DUROPLASTIC REACTION RESIN MOULDING MATERIALS PRODUCED THEREFROM

Номер: US20130338309A1
Принадлежит:

The invention relates to an unsaturated polyester resin containing a polyester or a polyester mixture, produced from at least one unsaturated dicarboxylic acid and at least one diol; and at least one silazane which is accessible for copolymerization with a C═C double bond of the dicarboxylic acid. The invention also relates to an unsaturated polyester resin moulding material which can be obtained or is obtained by cross-linking an unsaturated polyester resin as defined above. Said moulding material can optionally contain reinforcing materials. Said unsaturated polyester resin can be produced using the following steps: (a) a polyester from at least one diol and at least one unsaturated dicarboxylic acid is provided; (b) at least one silazane which is accessible for copolymerization which a C═C double bond of the dicarboxylic acid is provided; (c) the components are mixed according to (a) and (b). The unsaturated polyester resin moulding material can be produced from the above-mentioned polyester resin by hardening thereof by means of a radical initiator. 1. An unsaturated polyester resin , containing at least one unsaturated dicarboxylic acid and', 'at least one diol, '(a) a polyester or a polyester mixture, produced from'}and(b) at least one silazane, which is accessible for copolymerization with a C═C double bond of the dicarboxylic acid.2. An unsaturated polyester resin according to claim 1 , further comprising(c) a reactive diluting agent.3. An unsaturated polyester resin according to claim 2 , wherein the reactive diluting agent is an unsubstituted or substituted styrene.4. An unsaturated polyester resin according to any one of the preceding claims claim 2 , further comprising(d) at least one radical initiator.5. An unsaturated polyester resin according to any one of the preceding claims claim 2 , wherein the polyester has an acid number of less than 12 mg/KOH.6. An unsaturated polyester resin according to any one of the preceding claims claim 2 , wherein the ...

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02-01-2014 дата публикации

HYBRID POLYMER COMPOSITE FIBER INCLUDING GRAPHENE AND CARBON NANOTUBE, AND METHOD FOR MANUFACTURING SAME

Номер: US20140001417A1

The present invention relates to a graphene-based hybrid polymer composite fiber and a method for manufacturing same, and more particularly, to a hybrid composite fiber including the graphene, a carbon nanotube, and a polymer, wherein the graphene and the carbon nanotube are combined by means of self-organization through hydrogen bonding, so as to be very tough and flexible, without involving stretching, and to a method for manufacturing the hybrid composite fiber. 1. A hybrid polymer composite fiber comprising graphene and carbon nanotubes wherein the graphene and the carbon nanotubes are self-aligned through hydrogen bonding.2. The hybrid polymer composite fiber according to claim 1 , wherein the graphene are bonded to the carbon nanotubes in a weight ratio of 9:1 to 1:10.3. The hybrid polymer composite fiber according to claim 2 , wherein the graphene are bonded to the carbon nanotubes in a weight ratio of 1:1.4. The hybrid polymer composite fiber according to claim 1 , wherein the content of the polymer is from 20 to 80% by weight.5. The hybrid polymer composite fiber according to claim 1 , wherein the graphene is chemically reduced graphene having acid functional groups on the surface thereof6. The hybrid polymer composite fiber according to claim 5 , wherein the acid functional groups are carboxyl groups (—COOH).7. The hybrid polymer composite fiber according to claim 1 , wherein the graphene is 100 to 1000 nm in length.8. The hybrid polymer composite fiber according to claim 2 , wherein the carbon nanotubes are modified with a surfactant having a hydrophilic sulfonic acid group (SO).9. The hybrid polymer composite fiber according to claim 1 , wherein the carbon nanotubes are single-walled carbon nanotubes or multi-walled carbon nanotubes.10. The hybrid polymer composite fiber according to claim 1 , wherein the surfactant is selected from sodium dodecyl benzene sulfonate (SDBS) claim 1 , sodium dodecyl sulfonate (SDS) claim 1 , Triton X-100 claim 1 , and ...

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09-01-2014 дата публикации

RUBBER COMPOSITION FOR USE IN TIRE TREADS

Номер: US20140011909A1
Принадлежит: THE YOKOHAMA RUBBER CO., LTD.

A rubber composition for use in tire treads comprises a diene rubber including not less than 40% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 66 to 110 parts by weight of a filler. The filler comprises not less than 50% by weight of silica. The modified conjugated diene polymer rubber is obtained by copolymerizing a conjugated diene monomer unit and an aromatic vinyl monomer unit in a hydrocarbon solvent using an organic active metal compound as an initiator. A resulting active conjugated diene polymer chain thereof has a terminal modified group, obtained by reacting at least one type of compound having a functional group that is reactable with the active terminal of the polymer chain. Moreover, the terminal modified group has a functional group that interacts with the silica. 1. A rubber composition for use in tire treads comprising a diene rubber including not less than 40% by weight of a modified conjugated diene polymer rubber and , per 100 parts by weight of the diene rubber , from 66 to 110 parts by weight of a filler; the filler comprising not less than 50% by weight of silica; the modified conjugated diene polymer rubber being obtained by copolymerizing a conjugated diene monomer unit and an aromatic vinyl monomer unit in a hydrocarbon solvent using an organic active metal compound as an initiator; a resulting active conjugated diene polymer chain thereof having a terminal modified group , obtained by reacting at least one type of compound having a functional group that is reactable with the active terminal of the polymer chain; the terminal modified group having a functional group that interacts with the silica; and , in the modified conjugated diene polymer rubber , aromatic vinyl unit content being from 38% to 48% by weight , vinyl unit content being from 20% to 35% , and weight-average molecular weight being from 600 ,000 to 1 ,000 ,000.2. The rubber composition for use in tire treads ...

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06-03-2014 дата публикации

Puncture-Healing Thermoplastic Resin Carbon-Fiber-Reinforced Composites

Номер: US20140066553A1

A composite comprising a combination of a self-healing polymer matrix and a carbon fiber reinforcement is described. In one embodiment, the matrix is a polybutadiene graft copolymer matrix, such as polybutadiene graft copolymer comprising poly(butadiene)-graft-poly(methyl acrylate-co-acrylonitrile). A method of fabricating the composite is also described, comprising the steps of manufacturing a pre-impregnated unidirectional carbon fiber preform by wetting a plurality of carbon fibers with a solution, the solution comprising a self-healing polymer and a solvent, and curing the preform. A method of repairing a structure made from the composite of the invention is described. A novel prepreg material used to manufacture the composite of the invention is described.

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27-03-2014 дата публикации

Solid-State Shear Pulverization/Melt-Mixing Methods and Related Polymer-Carbon Nanotube Composites

Номер: US20140088243A1
Принадлежит: Northwestern University

Methods using solid-state shear pulverization and melt mixing and related polymer-carbon nanotube composites, as can be used to affect various mechanical and/or physical material properties. 1. A polymer composition comprising a polymer component and carbon nanotubes dispersed therein , said composition substantially absent agglomeration of said nanotubes , said dispersion characterized by field-emission scanning electron microscopy and the absence of nanotube agglomeration at micron length scales under conditions of said microscopy.2. The composition of wherein said carbon nanotubes comprise about 0.1 wt. % to about 10.0 wt. % of said composition.3. The composition of comprising multi-walled carbon nanotubes.4. The composition of wherein said polymer component is selected from homopolymers and copolymers thereof.5. The composition of wherein said polymer component is selected from polyolefins and copolymers of said polyolefins.6. The composition of wherein said polymer component comprises an unoriented claim 5 , isotactic polypropylene.7. The composition of comprising multi-walled carbon nanotubes.8. The composition of incorporated into an article of manufacture. This application is a divisional of and claims priority benefit of application Ser. No. 12/435,978 filed May 5, 2009 and issued as U.S. Pat. No. 8,597,557 on Dec. 3, 2013, and application Ser. No. 61/126,448 filed May 5, 2008, each of which is incorporated herein by reference in its entirety.This invention was made with government support under Grant No. DMR-0520513 awarded by The National Science Foundation. The government has certain rights in the invention.Intense research has been focused on polymer nanocomposites because of their potential to dramatically enhance properties relative to neat polymer and to yield multifunctional materials. Since their discovery in the early 1990s, carbon nanotubes (CNTs) have been extensively studied as nanofillers because of their low density, high aspect ratio, and ...

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03-04-2014 дата публикации

COMPOSITE MATERIALS FORMED BY SHEAR MIXING OF CARBON NANOSTRUCTURES AND RELATED METHODS

Номер: US20140094541A1
Принадлежит: APPLIED NANOSTRUCTURED SOLUTIONS, LLC

Carbon nanostructures free of an adhered growth substrate can include a plurality of carbon nanotubes that are branched, crosslinked, and share common walls with one another. Under applied shear, crosslinks between the carbon nanotubes in carbon nanostructures can break to form fractured carbon nanotubes that are branched and share common walls. Methods for making polymer composites from carbon nanostructures can include combining a polymer matrix and a plurality of carbon nanostructures that are free of an adhered growth substrate, and dispersing the carbon nanostructures in the polymer matrix under applied shear. The applied shear breaks crosslinks between the carbon nanotubes to form a plurality of fractured carbon nanotubes that are dispersed as individuals in the polymer matrix. Polymer composites can include a polymer matrix and a plurality of fractured carbon nanotubes dispersed as individuals in the polymer matrix. 1. A method for making a polymer composite , the method comprising:combining a plurality of carbon nanostructures and a polymer matrix, the carbon nanostructures each being free of an adhered growth substrate and comprising a plurality of carbon nanotubes that are branched, crosslinked, and share common walls with one another; and wherein the applied shear breaks crosslinks between the carbon nanotubes to form a plurality of fractured carbon nanotubes that are dispersed as individuals in the polymer matrix;', 'wherein the plurality of fractured carbon nanotubes comprises carbon nanotubes that are branched and share common walls with one another., 'dispersing the carbon nanostructures in the polymer matrix under applied shear;'}2. The method of claim 1 , further comprising:hardening the polymer matrix after dispersing the fractured carbon nanotubes as individuals therein.3. The method of claim 1 , wherein the carbon nanostructures are in the form of a carbon nanostructure flake material before being dispersed under the applied shear.4. The method ...

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06-01-2022 дата публикации

Polyglycolide Copolymer Composition and Preparation Thereof

Номер: US20220002539A1
Автор: ZHANG Xinzhou
Принадлежит:

A composition comprises a polyglycolide or a polyglycolide copolymer and a filler. The polyglycolide is prepared from glycolide by ring-opening polymerization. The composition may have a tensile modulus greater than 5,800 MPa. The polyglycolide copolymer may have a weight-average molecular weight (Mw) in the range of 10,000-1,000,000 and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) in the range of 1.0 to 10.0. The polyglycolide copolymer may have a melt index (MFR) in the range of 0.1 to 1000 g/10 min. Also provided is a process for preparing the composition. 2. The composition of claim 1 , wherein the filler is an inorganic filler selected from the group consisting of glass fiber claim 1 , glass beads claim 1 , talc claim 1 , calcium carbonate claim 1 , nano-clay claim 1 , hydrotalcite claim 1 , carbon black claim 1 , carbon fiber claim 1 , carbon nanotube claim 1 , graphene claim 1 , titanium dioxide claim 1 , silicon dioxide claim 1 , montmorillon Soil claim 1 , steel fiber claim 1 , hemp fiber claim 1 , bamboo fiber claim 1 , wood fiber claim 1 , wood powder claim 1 , wood chip claim 1 , alumina claim 1 , magnesia claim 1 , zinc oxide claim 1 , aluminum nitride claim 1 , boron nitride claim 1 , silicon carbide claim 1 , graphite claim 1 , silicon carbide claim 1 , potassium titanate claim 1 , aluminum borate claim 1 , calcium sulfate claim 1 , magnesium sulfate claim 1 , ceramic whiskers claim 1 , inorganic salt whiskers claim 1 , metal whiskers and a combination thereof.3. The composition of claim 1 , wherein the filler is an organic filler is selected from the group consisting of cellulose whisker claim 1 , poly(butyl acrylate-styrene) claim 1 , poly(4-hydroxybenzyl ester) claim 1 , polyethylene fiber claim 1 , polyester fiber claim 1 , aramid fiber claim 1 , poly(p-phenylene benzobisoxazole)(PBO) fiber claim 1 , polyamide fiber and a combination thereof.4. The composition of claim 1 , further comprising an additive ...

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07-01-2021 дата публикации

COMPOSITE MATERIAL MOLDED ARTICLE AND METHOD FOR MANUFACTURING SAME

Номер: US20210002436A1
Принадлежит: MITSUBISHI CHEMICAL CORPORATION

A composite material molded article includes a molded product of a molding material containing a resin and fibers, in which a fiber orientation degree f of the following region A of the molded product is 0.10 or more and 1 or less. 2. The composite material molded article according to claim 1 ,wherein the region A is a region surrounded with the edges of the molded product and a line connecting points 2 mm distant from the one point of each of the edges of the surface of the first end portion of the molded product in the vertical direction perpendicular to the lateral faces of the first end portion along the edges of the first end portion of the molded product.3. The composite material molded article according to claim 1 ,wherein the following function of the region A of the molded product has a negative slope,function: a linear function obtained by measuring the fiber orientation degree f for two points at both end portions of a straight line extending in the vertical direction in the region A and for two or more points closer to the inside than the two points, plotting a distance (mm) between each of the points and the lateral faces of the first end portion on an x axis, plotting the fiber orientation degree f on a y axis, and performing linear approximation by a least square method.4. The composite material molded article according to claim 1 , which is a cured product of a sheet molding compound.5. The composite material molded article according to claim 1 ,wherein the fibers are carbon fibers.6. The composite material molded article according to claim 1 ,wherein an amount of the fibers is 20% by mass or more and 65% by mass or less with respect to a total amount of the composite material molded article.7. A method for manufacturing a composite material molded article claim 1 , comprising:charging a molding die with a molding material containing a resin and carbon fibers such that a ratio R of the following fiber flow length to an average fiber length of the ...

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03-01-2019 дата публикации

STRUCTURE MATERIAL

Номер: US20190002654A1
Принадлежит: Toray Industries, Inc.

A structure material includes a resin, reinforced fibers, and voids, a volume content of the resin being within a range of 2.5% by volume or more and 85% by volume or less, a volume content of the reinforced fibers being within a range of 0.5% by volume or more and 55% by volume or less, the voids being contained in the structure material in a rate within a range of 10% by volume or more and 97% by volume or less, a thickness St of the structure material satisfying a conditional expression: St≥Lf·(1−cos(θf)) where a length of the reinforced fibers is Lf and an oriented angle of the reinforced fibers in a sectional direction of the structure material is θf, and a compression strength in an in-plane direction at 50% compression of the structure material measured in accordance with JIS K7220 being 3 MPa or more. 1. A structure material comprising a resin , reinforced fibers , and voids ,a volume content of the resin being within a range of 2.5% by volume or more and 85% by volume or less,a volume content of the reinforced fibers being within a range of 0.5% by volume or more and 55% by volume or less,the voids being contained in the structure material in a rate within a range of 10% by volume or more and 97% by volume or less,{'sup': '2', 'a thickness St of the structure material satisfying a conditional expression: St≥Lf·(1−cos(θf)) where a length of the reinforced fibers is Lf and an oriented angle of the reinforced fibers in a sectional direction of the structure material is θf, and'}a compression strength in an in-plane direction at 50% compression of the structure material measured in accordance with JIS K7220 being 3 MPa or more.2. The structure material according to claim 1 , wherein a compression strength in an out-of-plane direction of the structure material is 10 MPa or more.3. The structure material according to claim 1 , wherein a specific bending modulus of the structure material represented as Ec·ρis within a range of 3 or more and 20 or less where a ...

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03-01-2019 дата публикации

Structure material

Номер: US20190002655A1
Принадлежит: TORAY INDUSTRIES INC

A structure material includes a resin, reinforced fibers, and voids. The structure material includes a volume content of the resin being within a range of 2.5% by volume or more and 85% by volume or less, a volume content of the reinforced fibers being within a range of 0.5% by volume or more and 55% by volume or less, the voids being contained in the structure material in a rate within a range of 10% by volume or more and 97% by volume or less, a thickness St of the structure material satisfying a conditional expression: St≥Lf2·(1−cos(θf)), and a specific bending modulus of the structure material represented as Ec1/3·ρ−1 being within a range of 3 or more and 20 or less, and a bending modulus Ec of the structure material being 3 GPa or more.

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03-01-2019 дата публикации

FLAME-RETARDANT, HIGH TEMPERATURE RESISTANT THERMOSETS ON THE BASIS OF NAPHTHALENE-BASED EPOXY RESINS AND CYANATE ESTERS

Номер: US20190002685A1
Принадлежит:

The embodiments relate to a polymerisable thermoset composition having improved flame retardant properties, a polymerised thermoset having improved flame retardant properties, a process for manufacturing the polymerised thermoset, and use of the polymerisable thermoset composition to produce lightweight construction components, preferably carbon fibre composites (CFRP), and a lightweight construction component, preferably carbon fibre composite (CFRP), containing the polymerised thermoset. 1. A polymerisable thermoset composition , comprising:a) a di- or polyfunctional organic cyanate ester resin;b) a naphthalene based epoxy resin; andc1) at least one phosphorus-containing phenol; and/orc2) at least one phosphorus-containing epoxy and at least one diamine;wherein the polymerisable thermoset composition comprises at least one high-performance thermoplast.2. The polymerisable thermoset composition according to claim 1 , wherein the phosphorus-containing phenol is a (hydrocarbyl-)phosphonic acid ester and/or contains 9-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide as the structural unit.3. The polymerisable thermoset composition according to claim 1 , wherein the phosphorus-containing epoxy is a (hydrocarbyl-)phosphonic acid ester and/or contains 9-dihydroz-9-oxa-10-phosphaphenanthrene-10-oxide as the structural unit.7. The polymerisable thermoset composition according to claim 1 , wherein the naphthalene-based epoxy resin represents a polymeric naphthalene-based epoxy resin.8. The polymerisable thermoset composition according to claim 1 , wherein the at least one high-performance thermoplast is selected from the group comprising polysulfones (PSU) claim 1 , polyetherimide (PEI) claim 1 , polysulfone (PSU) claim 1 , polycarbonate (PC) claim 1 , silicone rubber and mixtures thereof.9. The polymerisable thermoset composition according to claim 1 , wherein the high-performance thermoplast is present in the form of core-shell particles.10. The polymerisable thermoset ...

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13-01-2022 дата публикации

LIQUID CRYSTAL POLYESTER RESIN COMPOSITION AND MOLDED ARTICLE

Номер: US20220010058A1
Принадлежит:

A liquid crystal polyester resin composition includes, as essential components: a component (A): liquid crystal polyester; a component (B): a glass fiber; and a component (C): a fibrous inorganic filling material different from the component (B), in which a blending amount of the component (B) with respect to 100 parts by mass of the component (A) is 50 parts by mass or more and 90 parts by mass or less, a blending amount of the component (C) with respect to 100 parts by mass of the component (A) is 1 part by mass or more and 40 parts by mass or less, and a condition (1) and a condition (2) are satisfied. 1. A liquid crystal polyester resin composition comprising , as essential components:a component (A): liquid crystal polyester;a component (B): a glass fiber; anda component (C): a fibrous inorganic filling material different from the component (B),wherein a blending amount of the component (B) with respect to 100 parts by mass of the component (A) is 50 parts by mass or more and 90 parts by mass or less,a blending amount of the component (C) with respect to 100 parts by mass of the component (A) is 1 part by mass or more and 40 parts by mass or less, andthe following conditions (1) and (2) are satisfied.{'sup': '−1', 'Condition (1): melt viscosity measured at a predetermined measurement temperature within a temperature range of 20° C. to 30° C. higher than a flow start temperature range according to ISO 11443 under a condition of a shear rate of 1000 sis 40 Pa·s or higher and 70 Pa·s or lower'}{'sup': '−1', 'Condition (2): melt viscosity measured at the measurement temperature according to ISO 11443 under a condition of a shear rate of 12000 sis 0.1 Pa·s or higher and 10 Pa·s or lower'}2. The liquid crystal polyester resin composition according to claim 1 ,wherein a ratio ((1)/(2)) of the melt viscosity measured under the condition (1) to the melt viscosity measured under the condition (2) exceeds 5.0.3. The liquid crystal polyester resin composition according to ...

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01-01-2015 дата публикации

CARBON FIBER COMPOSITE MATERIAL

Номер: US20150005434A1
Принадлежит: Toray Industries, Inc.

A carbon fiber composite material includes the material is made of carbon fibers and a thermoplastic resin; the proportion Y, relative to the total weight of carbon fibers, of carbon fiber bundles for which Mn/(Ln×D) is 8.5×10(mg/mm) or more, is 30≦Y<90 (wt %); the average value X of Mn/Ln for the carbon fiber bundles is 1.1×10≦X≦8.1×10(mg/mm); and Y satisfies Y≧100X+30, wherein Mn: weight of carbon fiber bundles, Ln: fiber length of carbon fibers, D: fiber diameter of carbon fibers. The carbon fiber composite material combines high flowability and mechanical properties, has few variations in mechanical properties and shows an excellent adaptability of carbon fibers for small parts such as ribs. 19.-. (canceled)10. A carbon fiber composite material comprising carbon fibers and a thermoplastic resin , a proportion Y , relative to the total weight of carbon fibers , of carbon fiber bundles for which Mn/(Ln×D) is 8.5×10(mg/mm) or more , is 30≦Y<90 (wt %) , an average value X of Mn/Ln for said carbon fiber bundles is 1.1×10≦X≦8.1×10(mg/mm) , and said Y satisfies Y≧100X+30 , wherein Mn: weight of carbon fiber bundles , Ln: fiber length of carbon fibers , D: fiber diameter of carbon fibers.11. The carbon fiber composite material according to claim 10 , wherein said average value X of Mn/Ln for said carbon fiber bundles is 1.5×10≦X≦5.5×10(mg/mm).12. The carbon fiber composite material according to claim 10 , wherein a standard deviation σ of a number of fibers x(=Mn/(Ln×F)) forming a bundle of said carbon fiber bundles (1) is 50≦σ≦40° claim 10 , wherein F: fineness of carbon fibers.13. The carbon fiber composite material according to claim 10 , wherein said carbon fiber bundles are formed from a carbon fiber bundle whose drape value/flexural stiffness (cm/(Pa·cm)) at 25° C. is 3.5×10to 9.0×10(cm/(Pa·cm)).14. The carbon fiber composite material according to claim 10 , wherein the fiber length of carbon fibers Ln in said carbon fiber bundles is 5 to 25 mm.15. The carbon ...

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20-01-2022 дата публикации

ANTIOXIDANT FOR ELECTROLYTE MEMBRANE OF FUEL CELL AND METHOD FOR PREPARING THE SAME

Номер: US20220021015A1

Disclosed is an antioxidant for a polymer electrolyte membrane of a fuel cell including cerium hydrogen phosphate (CeHPO). The presence of cerium hydrogen phosphate in the antioxidant enhances the dissolution stability of cerium and improves the ability to capture water, leading to an increase in proton conductivity. In addition, the cerium hydrogen phosphate has a crystal structure composed of smaller cerium particles. This crystal structure greatly improves the ability of the antioxidant to prevent oxidation of the electrolyte membrane. Also disclosed are an electrolyte membrane including the antioxidant, a fuel cell including the electrolyte membrane, a method for preparing the antioxidant, a method for producing the electrolyte membrane, and a method for fabricating the fuel cell. 1. An antioxidant for a polymer electrolyte membrane of a fuel cell comprising cerium hydrogen phosphate (CeHPO).2. The antioxidant according to claim 1 , wherein the antioxidant is a radical scavenger.3. The antioxidant according to claim 1 , wherein the cerium hydrogen phosphate (CeHPO) is a solid acid.4. The antioxidant according to claim 3 , wherein the cerium hydrogen phosphate (CeHPO) is in the form of nanofibers.5. The antioxidant according to claim 4 , wherein the nanofibers have a diameter of 10 to 900 nm.6. The antioxidant according to claim 1 , wherein the antioxidant is used for a fluorinated polymer electrolyte membrane.7. The antioxidant according to claim 6 , wherein the fluorinated polymer electrolyte membrane is a perfluorosulfonated ionomer electrolyte membrane.8. A polymer electrolyte membrane for a fuel cell comprising a polymer electrolyte membrane and an antioxidant comprising cerium hydrogen phosphate (CeHPO) dispersed in the polymer electrolyte membrane.9. The polymer electrolyte membrane according to claim 8 , wherein the antioxidant is a radical scavenger.10. The polymer electrolyte membrane according to claim 8 , wherein the cerium hydrogen phosphate (CeHPO) ...

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11-01-2018 дата публикации

POROUS/NANOPOROUS PHT

Номер: US20180009948A1
Принадлежит:

Methods of forming nanoporous materials are described herein that include forming a polymer network with a chemically removable portion. The chemically removable portion may be polycarbonate polymer that is removable on application of heat or exposure to a base, or a polyhexahydrotriazine (PHT) or polyhemiaminal (PHA) polymer that is removable on exposure to an acid. The method generally includes forming a reaction mixture comprising a formaldehyde, a solvent, a primary aromatic diamine, and a diamine having a primary amino group and a secondary amino group, the secondary amino group having a base-reactive substituent, and heating the reaction mixture to a temperature of between about 50 degC and about 150 degC to form a polymer. Removing any portion of the polymer results in formation of nanoscopic pores as polymer chains are decomposed, leaving pores in the polymer matrix. 1. An article comprising a porous polymer having a plurality of hexahydrotriazine units , hemiaminal units , or both , the polymer having an average pore size less than about 100 nm and density less than about 1.5 g/cm.2. The article of claim 1 , further comprising a plurality of carbon fibers disposed in the porous polymer.4. The article of claim 3 , wherein each bridging group is divalent or trivalent and is bonded to at least two hexahydrotriazine units or hemiaminal units.6. The article of claim 3 , wherein the porous polymer also has a plurality of monovalent sub stitutents.8. An article comprising a porous polymer having a plurality of hexahydrotriazine units claim 3 , hemiaminal units claim 3 , or both claim 3 , the polymer having an average pore size of 20-100 nm and bulk density of 1.0-1.5 g/cm.9. The article of claim 8 , further comprising a plurality of carbon fibers disposed in the porous polymer.11. The article of claim 10 , wherein each bridging group is divalent or trivalent and is bonded to at least two hexahydrotriazine units or hemiaminal units.13. The article of claim 10 , ...

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14-01-2021 дата публикации

SYSTEMS AND METHODS FOR FORMING SHORT-FIBER FILMS, COMPOSITES COMPRISING THERMOSETS, AND OTHER COMPOSITES

Номер: US20210009789A1
Принадлежит: Boston Materials, Inc.

The present disclosure generally relates to systems and methods for composites, including short-fiber films and other composites. In certain aspects, composites comprising a plurality of aligned fibers are provided. The fibers may be substantially aligned, and may be present at relatively high densities within the composite. For example, the composite may include substantially aligned carbon fibers embedded within a thermoplastic substrate. The composites may be prepared, in some aspects, by dispersing fibers by neutralizing the electrostatic interactions between the fibers, for example using aqueous liquids containing the fibers that are able to neutralize the electrostatic interactions that typically occur between the fibers. The liquids may be applied to a substrate, and the fibers may be aligned using techniques such as shear flow and/or magnetism. Other aspects are generally directed to methods of using such composites, kits including such composites, or the like. 1. An article , comprising:a composite comprising a substrate and a plurality of discontinuous fibers contained within at least a portion of the substrate, wherein the plurality of discontinuous fibers is substantially aligned at a fiber volume fraction of at least 30 vol % within the entire composite.2. The article of claim 1 , wherein the fiber volume fraction is at least 40 vol %.35-. (canceled)6. The article of claim 1 , wherein the substrate comprises a thermoplastic.7. (canceled)8. The article of claim 1 , wherein the substrate comprises one or more of polyimide (PI) claim 1 , polyamide-imide (PAI) claim 1 , polyetheretherketone (PEEK) claim 1 , polyetherketone (PEK) claim 1 , polyphenylesulfone (PPSU) claim 1 , polyethersulfone (PES) claim 1 , polyetherimide (PEI) claim 1 , polysulfone (PSU) claim 1 , polyphenylene sulfide (PPS) claim 1 , polyvinylidene fluoride (PVDF) claim 1 , polytetrafluoroethylene (PTFE) claim 1 , perfluoroalkoxy alkanes (PFA) claim 1 , polyamide 46 (PA46) claim 1 , ...

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10-01-2019 дата публикации

Fast cure epoxy resin compositions

Номер: US20190010275A1
Автор: Ian Aspin
Принадлежит: Cytec Industrial Materials Derby Ltd

Disclosed herein is an epoxy resin compositions comprising an epoxy component and a curing agent component, wherein the curing agent component is at least an aminoalkylimidazole curing agent, and wherein the epoxy component and the curing agent component react together at a temperature of about 100° C. to about 130° C. to form a substantially cured reaction product in about 10 minutes or less. Further disclosed are composite products formed from such epoxy resin compositions.

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09-01-2020 дата публикации

A MOISTURE-CURABLE ADHESIVE COMPOSITION AND A METHOD FOR MOUNTING TILES ON WALL SURFACES

Номер: US20200010746A1
Принадлежит:

A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 μm to about 825 μm; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces. 1. A moisture-curable adhesive composition comprising:a) a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane;b) a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 μm to about 825 μm;c) at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof and wherein one of said fillers has an average particle size of between about 1.5 μm and about 10 μm and a second of said fillers has an average particle size of between about 0.1 μm and about 1.3 μm, wherein at least one of said fillers is irregularly shaped;d) a rheology modifier.2. The composition of claim 1 , wherein the polymer component is the silane-terminated polyalkylene oxide and is present in an amount of about 5 to about 40% by weight.3. The composition of claim 2 , ...

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14-01-2016 дата публикации

Composite Formulation and Composite Product

Номер: US20160012933A1
Принадлежит: Tyco Electronics Corp

A composite formulation and composite product are disclosed. The composite formulation includes a polymer matrix, tin-containing particles blended within the polymer matrix at a concentration, by weight, of at least 25%, copper-containing particles blended within the polymer matrix at a concentration, by weight, of at least 40%, and one or both of solder flux and density-lowering particles blended into the polymer matrix. The tin-containing particles and the copper-containing particles have one or more intermetallic phases from metal-metal diffusion of the tin-containing particles and the copper-containing particles being blended at a temperature within the intermetallic annealing temperature range for the tin-containing particles and the copper-containing particles.

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21-01-2016 дата публикации

ORGANIC ACID CARBOHYDRATE BINDERS AND MATERIALS MADE THEREWITH

Номер: US20160017063A1
Автор: MUELLER Gert R.
Принадлежит:

A binder comprising a polymeric binder comprising the products of a carbohydrate reactant and organic acid is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Fibrous products comprising fibers in contact with a carbohydrate reactant and an organic acid are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate based binder using an organic acid.

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18-01-2018 дата публикации

METHOD FOR PRODUCING MODIFIED POLYESTER RESIN REINFORCED WITH CARBON FIBER

Номер: US20180016420A1
Автор: FUJIMAKI Takashi
Принадлежит: FTEX INCORPORATED

A method for producing a modified polyester resin reinforced with carbon fiber, comprising reacting a mixture containing (A) 100 parts by weight of a thermoplastic polyester, (B) 5 to 150 parts by weight of a carbon fiber, (C) 0.1 to 2 parts by weight of a coupling agent consisting of a polyfunctional epoxy compound having two or more epoxy groups in a molecule and having a weight-average molecular weight of 2,000 to 10,000, (D) 0.01 to 1 part by weight of a coupling reaction catalyst, and (E) a spreader of 0.01 to 1 part by weight at a temperature equal to or more than a melting point of the thermoplastic polyester to increase a melt viscosity. 1. A method for producing a modified polyester resin reinforced with carbon fiber , comprisingreacting a mixture composed of (A) 100 parts by weight of a thermoplastic polyester, (B) 5 to 150 parts by weight of a carbon fiber, (C) 0.1 to 2 parts by weight of a coupling agent consisting of a polyfunctional epoxy compound having two or more epoxy groups in a molecule and having a weight-average molecular weight of 2,000 to 10,000, (D) 0.01 to 1 part by weight of a coupling reaction catalyst and (E) a spreader of 0.01 to 1 part by weight at a temperature equal to or more than a melting point of the thermoplastic polyester to increase a melt viscosity.2. A method for producing a modified polyester resin reinforced with carbon fiber , comprisingreacting a mixture composed of (A) 100 parts by weight of a thermoplastic polyester, (B) 5 to 150 parts by weight of a carbon fiber, (C) 0.1 to 2 parts by weight of a coupling agent consisting of a polyfunctional epoxy compound having two or more epoxy groups in a molecule and having a weight-average molecular weight of 2,000 to 10,000, (D) 0.01 to 1 part by weight of a coupling reaction catalyst and (E) 0.01 to 1 part by weight of a spreader at a temperature equal to or more than a melting point of the thermoplastic polyester by a reactive extrusion method to adjust an MFR in accordance ...

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15-01-2015 дата публикации

CARBON FIBER-REINFORCED PLASTIC MATERIAL WITH NANOFILLER MIXED THEREIN, AND MANUFACTURING METHOD THEREOF

Номер: US20150018473A1
Автор: SHIMIZU Hiroshi
Принадлежит:

Provided is a carbon fiber reinforced plastic material having excellent rigidity, flexibility and improved heat resistance and a method of manufacturing the same. The present invention provides a carbon fiber reinforced plastic material containing 2 parts by mass or more and 30 parts by mass or less of a nanofiller with respect to a total of 100 parts by mass of 30 parts by mass or more and 90 parts by mass or less of a polymer material and 70 parts by mass or more and 10 parts by mass or less of carbon fibers, an average aspect ratio (length/width) of the nanofiller being 20 or more. The average aspect ratio (length/width) of the nanofiller may also be 50 or more. 1. A carbon fiber reinforced plastic material comprising:2 parts by mass or more and 30 parts by mass or less of a nanofiller with respect to a total of 100 parts by mass of 30 parts by mass or more and 90 parts by mass or less of a polymer material and 70 parts by mass or more and 10 parts by mass or less of carbon fibers, an average aspect ratio (length/width) of the nanofiller being 20 or more.2. The carbon fiber reinforced plastic material according to claim 1 , wherein an average aspect ratio (length/width) of the nanofiller is 50 or more.3. A carbon fiber reinforced plastic material comprising:2 parts by mass or more and 30 parts by mass or less of a layered silicate with respect to a total of 100 parts by mass of 30 parts by mass or more and 90 parts by mass or less of polyamide and 70 parts by mass or more and 10 parts by mass or less of carbon fibers.4. The carbon fiber reinforced plastic material according to claim 3 , wherein a modulus of elongation of carbon fiber reinforced plastic material is 6000 MPa or more.5. The carbon fiber reinforced plastic material according to claim 2 , wherein the polymer material is selected from a thermoplastic resin claim 2 , a thermosetting resin and elastomer or rubber.6. The carbon fiber reinforced plastic material according to claim 5 , wherein the layered ...

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21-01-2021 дата публикации

MAGNETO-DIELECTRIC MATERIALS, METHODS OF MAKING, AND USES THEREOF

Номер: US20210020343A1
Принадлежит:

A magnetic fiber comprises a core comprising a spinel ferrite of formula MeMFeO, wherein Me is Mg, Mn, Fe, Co, Ni, Cu, Zn, or a combination thereof, x=0 to 0.25, and y=1.5 to 2.5, wherein the core is solid or at least partially hollow; and a shell at least partially surrounding the core, and comprising a MeMFealloy, wherein when the core is solid with Me=Ni and x=0 the magnetic fiber has a diameter of greater than 0.3 micrometer. A magneto-dielectric material having a magnetic loss tangent of less than or equal to 0.03 at 1 GHz comprises a polymer matrix; and a plurality of the magnetic fibers. 1. A magnetic fiber , comprising:{'sub': 1-x', 'x', 'y', '4, 'claim-text': Me is Mg, Mn, Fe, Co, Ni, Cu, Zn, or a combination thereof,', 'M is Zn, Mg, Co, Cu, Al, Cr, Mn, or a combination thereof,', 'x=0 to 0.25, and', 'y=1.5 to 2.5,, 'a core comprising a spinel ferrite of formula MeMFeO, wherein'}wherein the core is solid or at least partially hollow; and{'sub': 1-x', 'x', 'y, 'a shell at least partially surrounding the core, and comprising a MeMFealloy,'}wherein when the core is solid with Me=Ni and x=0 the magnetic fiber has a diameter of greater than 0.3 micrometer.2. The magnetic fiber of claim 1 , having a diameter of 0.1 micrometer to 20 micrometers.3. The magnetic fiber of claim 1 , wherein the core is in the form of a tube.4. The magnetic fiber of claim 1 , wherein the core is the form of a tube and the inner diameter of the core has an average value of 0.01 micrometer to 3 micrometers.5. The magnetic fiber of claim 1 , wherein the core is solid.6. The magnetic fiber of claim 1 , having a length of 0.5 micrometer to 5000 micrometers.7. The magnetic fiber of claim 1 , having an aspect ratio of 5 to 20 claim 1 ,000.8. The magnetic fiber of claim 1 , wherein the spinel ferrite has an average grain size of 10 nanometers to 500 nanometers.9. The magnetic fiber of claim 1 , wherein the shell thickness is 20 nanometers to 2 micrometers.10. A method of making the magnetic ...

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28-01-2016 дата публикации

FIBERS FOR USE IN FIBER-REINFORCED RESIN, AND PRODUCTION METHOD THEREOF

Номер: US20160024282A1
Принадлежит:

Fibers for fiber-reinforced resin of the present invention are fibers for fiber-reinforced resin to which a sizing agent is adhered. The fibers are at least one selected from carbon fibers and glass fibers, and an ester bond (—COO—) generated by denaturation of the sizing agent is present on surfaces of the fibers. A method for producing the same according to the present invention includes: subjecting fibers to which a sizing agent is adhered to at least one treatment selected from the group consisting of ozone oxidation, ultraviolet irradiation at a wavelength of 400 nm or less, and a plasma treatment. The fibers are at least one selected from carbon fibers and glass fibers. Thus, it is possible to provide carbon fibers having enhanced wettability to a matrix resin and thereby allowing the matrix resin to be impregnated between the fibers easily. 1. Fibers for fiber-reinforced resin to which a sizing agent is adhered ,wherein the fibers are at least one selected from carbon fibers and glass fibers, andan ester bond (—COO—) generated by denaturation of the sizing agent is present on surfaces of the fibers.2. The fibers for fiber-reinforced resin according to claim 1 , wherein the ester bond is measured by X-ray photoelectron spectroscopy.3. The fibers for fiber-reinforced resin according to claim 1 , wherein a carbon atom concentration of the ester bond is 1.0% or more with respect to a total carbon atom concentration of the fibers.4. The fibers for fiber-reinforced resin according to claim 1 , wherein the ester bond is generated by subjecting fibers to which a sizing agent is adhered to surface activation so as to denature the fibers claim 1 , the sizing agent containing an ester bond in a proportion of less than 1.0% with respect to a total carbon atom concentration of the fibers.5. The fibers for fiber-reinforced resin according to claim 4 , wherein the surface activation is at least one treatment selected from the group consisting of ozone oxidation claim 4 , ...

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28-01-2016 дата публикации

POLYAMIDE RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING THE SAME

Номер: US20160024365A1
Принадлежит: UBE INDUSTRIES, LTD.

A polyamide resin composition containing a polyamide resin (A) and a property imparting component. The composition comprises relative to 100 parts by volume of the polyamide resin (A), as the property imparting component, 50 to less than 100 parts by volume of flake graphite (B), 5 to 40 parts by volume of carbon fibers (C), and 0.1 to 5 parts by volume of a polyhydric alcohol (D). 1. A polyamide resin composition comprising a polyamide resin (A) and a property imparting component , the composition being:a polyamide resin composition which comprises, relative to 100 parts by volume of the polyamide resin (A), as the property imparting component, 50 to less than 100 parts by volume of flake graphite (B), 5 to 40 parts by volume of carbon fibers (C), and 0.1 to 5 parts by volume of a polyhydric alcohol (D).2. The polyamide resin composition according to claim 1 , wherein the polyhydric alcohol (D) is a polyhydric alcohol having a melting temperature of 150 to 280° C.3. The polyamide resin composition according to claim 1 , wherein an average 15 particle size of the flake graphite (B) is 1 to 100 μm.4. The polyamide resin composition according to claim 1 , wherein an aspect ratio of flake graphite (B) is 30 to 300 on average.5. The polyamide resin composition according to claim 1 , wherein the carbon fibers (C) are PAN carbon fibers that are obtained by carbonizing polyacrylonitrile fibers.6. The polyamide resin composition according to claim 1 , wherein a fiber 25 diameter of the carbon fibers (C) is 5 to 15 μm.7. The polyamide resin composition according to claim 1 , wherein a fiber length of the carbon fibers (C) is 0.1 to 20 mm.8. The polyamide resin composition according to claim 1 , which is obtained by melt-kneading.9. A molded article comprising the polyamide resin composition according to . The present invention relates to a polyamide resin composition having excellent mechanical properties or electrical insulating properties as well as excellent thermal ...

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25-01-2018 дата публикации

EPOXY RESIN COMPOSITION, PREPREG, AND FIBER REINFORCED COMPOSITE MATERIAL

Номер: US20180022862A1
Принадлежит: Toray Industries, Inc.

An epoxy resin composition includes [A] an epoxy resin, [B] dicyandiamide, [C] an aromatic urea and [D] a boric acid ester and satisfies any one of (i) requirements [a] and [b], (ii) requirements [c] and [d] and (iii) requirements [c] and [e]: [a]: the time from when the temperature reaches 100° C. till when the heat flow reaches a peak top is 60 minutes or shorter as determined by a differential scanning calorimetry; [b]: the time from when the temperature reaches 60° C. till when the heat flow reaches a peak top is 25 hours or longer as determined by a differential scanning calorimetry; [c]: the average in all of the epoxy resins is 165 to 265 g/eq inclusive; [d]: in the component [A], [A1] a resin represented by formula (I) and/or a resin represented by formula (II) is contained in an amount of 10 to 50 parts by mass relative to the total amount of all of the epoxy resins; and [e]: in the component [A], [A2] a glycidylamine-type resin having a functionality of 3 or higher is contained in an amount of 10 to 50 parts by mass relative to the total amount of all of the epoxy resins. 2. An epoxy resin composition as set forth in claim 1 , wherein condition (i) is fulfilled and component [A] contains a tri- or higher polyfunctional epoxy resin.3. An epoxy resin composition as set forth in either claim 1 , wherein condition (i) is fulfilled and requirement [d] is met.4. An epoxy resin composition as set forth in claim 1 , wherein requirement [d] is met and the epoxy groups in the epoxy resin [A1] that is represented by formula (I) and/or formula (II) contain 3.0 or more functional groups on average per molecule.5. An epoxy resin composition as set forth in claim 1 , wherein either condition (i) or (ii) is fulfilled and requirement [e] is met.6. An epoxy resin composition as set forth in claim 1 , wherein component [A] contains bisphenol F type epoxy resin [A3] that accounts for 20 parts by mass to 90 parts by mass of the total epoxy resin quantity claim 1 , which ...

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10-02-2022 дата публикации

REINFORCEMENT MEMBER COMPRISING A STRUCTURAL ADHESIVE ON A POLYESTER CARRIER

Номер: US20220041896A1
Автор: Chopin Eric
Принадлежит:

The invention relates to a reinforcement member comprising a heatcurable structural adhesive on a carrier member, wherein the carrier member comprises a fiber-reinforced polyester material. The invention further relates to a method to produce such a reinforcement member and its use. 1. A reinforcement member comprising a heatcurable structural adhesive on a carrier member , wherein the carrier member comprises a fiber-reinforced polyester material.2. The reinforcement member according to claim 1 , wherein the heatcurable structural adhesive is applied to one or more outer surfaces of the carrier member.3. The reinforcement member according to or claim 1 , wherein the heatcurable structural adhesive covers at least about 50% of the outer surface of the carrier member.4. The reinforcement member according to claim 3 , wherein the heatcurable structural adhesive covers at least about 70% of the outer surface of the carrier member.5. The reinforcement member according to any of the preceding claims claim 3 , wherein the polyester material comprises an aromatic polyester.6. The reinforcement member according to claim 5 , wherein the aromatic polyester is derived from one or more aromatic dicarboxylic acids and/or one or more aliphatic diols.7. The reinforcement member according to claim 6 , wherein the one or more aromatic dicarboxylic acids are selected from the group consisting of phthalic acid claim 6 , isophtalic acid claim 6 , terephthalic acid claim 6 , and mixtures thereof.8. The reinforcement member according to or claim 6 , wherein the one or more aliphatic diols are preferably selected from ethylene glycol claim 6 , propylene glycol claim 6 , butylene glycol claim 6 , pentylene glykol claim 6 , hexylene glycol claim 6 , and the mixtures thereof.9. The reinforcement member according to any of the preceding claims claim 6 , wherein the polyester material comprises an aromatic polyester selected from the group consisting of polyethylene terephthalate claim 6 , ...

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24-01-2019 дата публикации

ELECTRICALLY-CONDUCTIVE CURABLE ORGANOSILICON RUBBER

Номер: US20190023874A1
Автор: JIA Liya, YUE Yuanzhi
Принадлежит: ELKEM SILICONES SHANGHAI CO., LTD.

The present invention relates to a carbon fiber-containing curable organosilicon composition and a method for preparing the carbon fiber-containing organosilicon composition. The present invention also relates to the electrically conductive rubber obtained by curing the carbon fiber-containing organosilicon composition and its uses. The curable organosilicon composition comprises: (A) a polysiloxane base composition, and (B) a carbon fiber component; 1. A curable organosilicon composition , which comprises:(A) a polysiloxane base composition, and(B) a carbon fiber component;wherein, the carbon fiber component comprises, based on the weight of (A) polysiloxane base composition, 2 to 300%, optionally 5 to 250%, optionally 15 to 150% of a carbon fiber with average length of 10 μm to 5000 μm, optionally 30-3500 μm, optionally a carbon fiber with average length of 60 to 3000 μm, with provisos that: (1) if the carbon fiber component comprises exclusively carbon fiber with average length of not greater than 200 μm, its content is greater than 25%, optionally greater than 30%; and (2) if the carbon fiber component comprises exclusively carbon fiber with average length of greater than 2800 μm, its content is not greater than 40%, optionally not greater than 30%, optionally not greater than 15%.2. The curable organosilicon composition according to wherein the carbon fiber component comprises claim 1 , based on the weight of (A) polysiloxane base composition claim 1 , 10 to 150% of a carbon fiber with average length of 10 to 2500 μm.3. The curable organosilicon composition according to claim 1 , wherein the component (A) polysiloxane base composition is addition curable.4. The curable organosilicon composition according to claim 1 , wherein the component (A) polysiloxane base composition is condensation polymerization curable.5. The curable organosilicon composition according to claim 1 , wherein the component (A) polysiloxane base composition is organic peroxide curable.6. ...

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23-01-2020 дата публикации

POLYMERIC MATERIALS

Номер: US20200024392A1
Принадлежит:

A polymeric material has a repeat unit of formula —O-Ph-O-Ph-CO-Ph- I and a repeat unit of formula —O-Ph-Ph-O-Ph-CO-Ph- II wherein Ph represents a phenylene moiety; wherein the repeat units I and II are in the relative molar properties I:II of from 65:35 to 95:5; wherein log(X %)>1.50-0.26 MV; wherein X % refers to the % crystallinity measured as described in Example 31 and MV refers to the melt viscosity measured as described in Example 30. A process for making the polymeric material comprises polycondensing a mixture of at least one dihydroxybenzene compound and at least one dihydroxybiphenyl compound in the molar proportions 65:35 to 95:5 with at least one dihalobenzophenone in the presence of sodium carbonate and potassium carbonate wherein: (i) the mole % of said potassium carbonate is at least 2.5 and/or (ii) the following relationship applies (formula III). 1. A polymeric material having a repeat unit of formula{'br': None, '—O-Ph-O-Ph-CO-Ph-\u2003\u2003I'} {'br': None, '—O-Ph-Ph-O-Ph-CO-Ph-\u2003\u2003II'}, 'and a repeat unit of formula'}wherein Ph represents a phenylene moiety;wherein the repeat units I and II are in the relative molar properties I:II of from 65:35 to 95:5;{'sub': '10', 'wherein log(X %)>1.50−0.26 MV;'}wherein X % refers to the % crystallinity measured as described in Example 31 and MV refers to the melt viscosity measured as described in Example 30.2. A material according to claim 1 , wherein at least 95% of the number of phenylene moieties (Ph) in the repeat unit of formula I have 1 claim 1 ,4-linkages to moieties to which they are bonded; and at least 95% of the number of phenylene moieties (Ph) in the repeat unit of formula II have 1 claim 1 ,4-linkages to moieties to which they are bonded.3. A material according to or claim 1 , wherein log(X %)>1.50−0.23 MV.4. A polymeric material according to any preceding claim claim 1 , wherein log(X %)>1.50−0.28 MV+0.06 MV.5. A material according to any preceding claim claim 1 , which includes 68 ...

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28-01-2016 дата публикации

THREE-DIMENSIONAL NETWORKS COMPRISING NANOELECTRONICS

Номер: US20160027846A1
Принадлежит:

The present invention generally relates to nanoscale wires and three-dimensional networks or structures comprising nanoscale wires. For example, certain embodiments are directed to three-dimensional structures comprising nanoscale wires. The structures may be porous and define electrical networks wherein the nanoscale wires can be determined or controlled. Other materials, such as inorganic materials, polymers, fabrics, etc., may be disposed within the three-dimensional structure, and in some embodiments, such that the three-dimensional structure is embedded within the material. The nanoscale wires may thus be used, for example, as sensors within the material. Other embodiments of the invention are generally directed to the use of such articles, methods of forming such articles, kits involving such articles, or the like. 1. An article , comprising:an inorganic material comprising a three-dimensional structure comprising nanoscale wires.2. The article of claim 1 , wherein the inorganic material comprises a metal.3. An article claim 1 , comprising:a polymer comprising a three-dimensional structure comprising nanoscale wires, wherein the polymer comprises non-naturally occurring monomers.4. The article of claim 3 , wherein the polymer comprises polydimethylsiloxane.5. An article claim 3 , comprising:a fabric comprising a three-dimensional structure comprising nanoscale wires, wherein the polymer comprises non-naturally occurring monomers.6. An article claim 3 , comprising:rubber comprising a three-dimensional structure comprising nanoscale wires, wherein the polymer comprises non-naturally occurring monomers.7. An article claim 3 , comprising:a fluidic channel, wherein at least a portion of a wall of the fluidic channel comprises a three-dimensional structure comprising nanoscale wires.87. The article of any one of - claims 1 , wherein the three-dimensional structure defines an electrical network.98. The article of any one of - claims 1 , wherein at least a portion of ...

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04-02-2016 дата публикации

COMPOSITE FIBERS, WEAVE FABRICS, KNITTED FABRICS AND COMPOSITE MATERIALS

Номер: US20160032082A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

Provided is a composite fiber in which a polyamide resin fiber and a continuous reinforcing fiber are dispersed. A composite fiber comprising (A) a polyamide resin fiber made from a polyamide resin composition, (B) a continuous reinforcing fiber, and (a) a treating agent for the polyamide resin fiber (A); wherein an amount of the treating agent (a) is 0.1 to 2.0% by mass of the polyamide resin fiber (A); and the polyamide resin composition comprises a polyamide resin containing a diamine structural unit, 50 mol % or more of which is derived from xylylenediamine, and having a number average molecular weight (Mn) of 6,000 to 30,000; and 0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or less. 1. A composite fiber comprising (A) a polyamide resin fiber made from a polyamide resin composition , (B) a continuous reinforcing fiber , and (a) a treating agent for the polyamide resin fiber (A); wherein an amount of the treating agent (a) is 0.1 to 2.0% by mass of the polyamide resin fiber (A); andthe polyamide resin composition comprises a polyamide resin containing a diamine structural unit, 50 mol % or more of which is derived from xylylenediamine, and having a number average molecular weight (Mn) of 6,000 to 30,000; and0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or less.2. The composite fiber according to claim 1 , further comprising (b) a treating agent for the continuous reinforcing fiber (B) containing a functional group reactive with the polyamide resin claim 1 , wherein an amount of the treating agent (b) is 0.01 to 1.5% by mass of the continuous reinforcing fiber (B).3. The composite fiber according to claim 1 , which has a dispersity of the continuous reinforcing fiber (B) of 40 to 100% in the composite fiber.4. The composite fiber according to claim 1 , which is obtainable by using a polyamide resin fiber bundle having a fineness of 40 to 600 dtex and composed of 1 to 200 filaments.5. The composite fiber ...

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17-02-2022 дата публикации

Fiber-reinforced polyimide resin molding precursor and method for producing the same

Номер: US20220049060A1
Принадлежит: Toyo Seikan Group Holdings Ltd

The present invention provides a molding precursor for a fiber-reinforced polyimide resin molded article, which is formed by impregnating a functional fiber with an addition-reaction type polyimide resin. The molding precursor has a melt viscosity in the range of 300 to 3200 kPa·s under conditions of keeping for 1 to 10 minutes at a temperature 5 to 20° C. lower than the thickening-start temperature so as to effectively prevent a fiber-reinforced polyimide resin molded article from warping. The present invention provides also a method for producing the molding precursor.

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17-02-2022 дата публикации

FIBER-REINFORCED RESIN MOLDING MATERIAL AND MOLDED ARTICLE

Номер: US20220049061A1
Принадлежит:

A fiber-reinforced resin molding material is obtained by impregnating a chopped fiber bundle with a matrix resin, has a layered structure including three or more layers in a thickness direction thereof, and satisfies the relationships Lao>Lam and Wao>Wam, where Lao and Wao represent the number average fiber length and the number average fiber bundle width, respectively, of the chopped fiber bundle in the outermost layer thereof, and Lam and Wam represent the number average fiber length and the number average fiber bundle width, respectively, of the chopped fiber bundle in a middle layer thereof. 113.-. (canceled)14. A fiber-reinforced resin molding material [C] of a chopped fiber bundle [A] impregnated with a matrix resin [B] , having a layered structure including three or more layers in a thickness direction of the fiber-reinforced resin molding material [C] and satisfying Formula (1) and Formula (2) , wherein Lao and Wao are respectively a number average fiber length and a number-average fiber bundle width of a chopped fiber bundle [Ao] in an outermost layer , Lam and Wam are respectively a number average fiber length and a number-average fiber bundle width of a chopped fiber bundle [Am] in a middle layer ,{'br': None, 'Lao>Lam\u2003\u2003(1)'}{'br': None, 'Wao>Wam\u2003\u2003(2).'}15. The fiber-reinforced resin molding material according to claim 14 , further satisfying Formula (3) claim 14 , wherein Tao is a number average fiber bundle thickness of the chopped fiber bundle [Ao] in the outermost layer and Tam is a number average fiber bundle thickness of the chopped fiber bundle [Am] in the middle layer claim 14 ,{'br': None, 'Tao>Tam\u2003\u2003(3).'}16. A fiber-reinforced resin molding material [C] of a chopped fiber bundle [A] impregnated with a matrix resin [B] claim 14 , having a layered structure including three or more layers in a thickness direction of the fiber-reinforced resin molding material [C] and satisfying Formula (1) and Formula (3) claim 14 , ...

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17-02-2022 дата публикации

RESIN COMPOSITION AND MOLDED BODY OF SAME

Номер: US20220049093A1
Принадлежит: IDEMITSU KOSAN CO.,LTD.

Provided is a resin composition containing a resin (S) containing a polyarylene ether (A) modified with a functional group and a thermoplastic resin (B), and a carbon fiber (C). 1. A resin composition comprising:a resin (S) containing a polyarylene ether (A) modified with a functional group and a thermoplastic resin (B), anda carbon fiber (C).2. The resin composition according to claim 1 , wherein the polyarylene ether (A) modified with a functional group is a dicarboxylic acid-modified polyarylene ether.3. The resin composition according to claim 2 , wherein the dicarboxylic acid-modified polyarylene ether is a fumaric acid-modified polyarylene ether or a maleic anhydride-modified polyarylene ether.4. The resin composition according to claim 1 , wherein the polyarylene ether (A) modified with a functional group is contained in an amount of 0.5 to 30% by mass based on 100% by mass of the resin (S).5. The resin composition according to claim 1 , which contains 1 to 500 parts by mass of the carbon fiber (C) with respect to 100 parts by mass of the resin (S).6. The resin composition according to claim 1 , which contains 1 to 50 parts by mass of the carbon fiber (C) with respect to 100 parts by mass of the resin (S).7. The resin composition according to claim 1 , wherein the thermoplastic resin (B) is at least one selected from the group consisting of a polycarbonate-based resin claim 1 , a polystyrene-based resin claim 1 , a polyamide claim 1 , and a polyolefin.8. The resin composition according to claim 7 , wherein the thermoplastic resin (B) is a polystyrene-based resin.9. The resin composition according to claim 1 , wherein the carbon fiber (C) is at least one carbon fiber selected from the group consisting of a PAN-based carbon fiber claim 1 , a pitch-based carbon fiber claim 1 , a thermosetting carbon fiber claim 1 , a phenol-based carbon fiber claim 1 , a vapor-grown carbon fiber claim 1 , and a recycled carbon fiber (RCF).10. A molded body comprising the resin ...

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31-01-2019 дата публикации

MOLDED ARTICLE AND METHOD FOR PRODUCTION THEREOF

Номер: US20190031838A1
Принадлежит: KURARAY CO., LTD.

Disclosed is a molded article obtained by molding a thermoplastic resin composition, wherein the thermoplastic resin composition contains a thermoplastic resin (A) and an inorganic filler (B); the content of the inorganic filler (B) is 60 to 150 parts by mass based on 100 parts by mass of the thermoplastic resin (A); the content of a plate-shaped inorganic filler (b1) having an average thickness of 4.0 μm or less and an aspect ratio of 130 or more in the inorganic filler (B) is 35 to 100% by mass; and a thickness of the thinnest part thereof is 2.0 mm or less. 1: A molded article obtained by molding a thermoplastic resin composition , whereinthe thermoplastic resin composition comprises a thermoplastic resin (A) and an inorganic filler (B);a content of the inorganic filler (B) is from 60 to 150 parts by mass based on 100 parts by mass of the thermoplastic resin (A);a content of a plate-shaped inorganic filler (b1) having an average thickness of 4.0 μm or less and an aspect ratio of 130 or more in the inorganic filler (B) is 35 to 100% by mass; anda thickness of a thinnest part thereof is 2.0 mm or less.2: The molded article according to claim 1 , wherein a melting point or a glass transition temperature of the thermoplastic resin (A) is 130° C. or higher.3: The molded article according to claim 1 , wherein the thermoplastic resin (A) is at least one selected from the group consisting of a liquid crystal polymer claim 1 , a polycarbonate resin claim 1 , and a polyamide resin.4. The molded article according to wherein the thermoplastic resin (A) is a semi-aromatic polyamide resin.5: The molded article according to claim 1 , wherein the plate-shaped inorganic filler (b1) is at least one selected from the group consisting of glass flakes and mica.6: The molded article according to claim 1 , wherein the inorganic filler (B) further comprises 10 to 65% by mass of an inorganic filler (b2) other than the plate-shaped inorganic filler (b1) and having an average major axis of ...

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30-01-2020 дата публикации

SHEET MOLDING COMPOUND AND FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20200032047A1
Принадлежит: MITSUBISHI CHEMICAL CORPORATION

A sheet molding compound which is a thickened material of an epoxy resin composition, including a component (A), a component (B), and a component (C), in which the component (A) is an epoxy resin staying at a liquid state at 25° C., the component (B) is an acid anhydride, the component (C) is an epoxy resin curing agent, and in the thickened material, at least some of epoxy groups of the component (A) and at least some of carboxy groups derived from the component (B) form ester. 1. A sheet molding compound which is a thickened material of an epoxy resin composition , comprising:a component (A);a component (B); anda component (C),wherein the component (A) is an epoxy resin staying in a liquid state at 25° C.,the component (B) is an acid anhydride,the component (C) is an epoxy resin curing agent, andin the thickened material, at least some of epoxy groups of the component (A) and at least some of carboxy groups derived from the component (B) form ester.2. The sheet molding compound according to claim 1 , further comprising:reinforcing fiber.3. The sheet molding compound according to claim 1 ,wherein a viscosity of the epoxy resin composition that is measured by viscometry (a) at 30° C. 30 minutes after the preparation of the composition described below is 0.5 to 15 Pa·s,viscometry (a): immediately after being prepared, the epoxy resin composition is put and sealed into an airtightable container and left to stand for 30 minutes at 23° C., and then a viscosity of the epoxy resin composition at 30° C. is measured.4. The sheet molding compound according to claim 1 ,wherein a viscosity of the epoxy resin composition that is measured by viscometry (b) at 30° C. 10 days after the preparation of the composition described below is 2,000 to 55,000 Pa·s,viscometry (b): immediately after being prepared, the epoxy resin composition is put and sealed into an airtightable container and left to stand for 10 days at 23° C., and then a viscosity of the epoxy resin composition at 30° C. ...

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30-01-2020 дата публикации

INSULATION, INSULATION PRECURSORS, AND ROCKET MOTORS, AND RELATED METHODS

Номер: US20200032061A1
Принадлежит:

An insulation material includes a matrix comprising a reaction product formed from a silicon carbide precursor resin and a silicon dioxide precursor resin. At least one filler, such as hollow glass microspheres and/or carbon fiber is dispersed within the matrix. A rocket motor includes a case, the insulation material within and bonded to the case, and a solid propellant within the case. An insulation precursor includes a silicon carbide precursor resin, a silicon dioxide precursor resin, and the at least one filler. Related methods are also disclosed. 1. An insulation material , comprising:a matrix comprising a reaction product formed from a silicon carbide precursor resin and a silicon dioxide precursor resin;at least one filler dispersed within the matrix, the at least one filler comprising at least one material selected from the group consisting of a low density filler and an ablation enhancement filler.2. The insulation material of claim 1 , wherein the matrix further comprises a catalyst.3. The insulation material of claim 1 , wherein the insulation material exhibits a thermal conductivity of less than about 0.30 W/mK.4. The insulation material of claim 1 , wherein the insulation material exhibits a density of less than about 0.8 g/cm.5. The insulation material of claim 1 , wherein the insulation material comprises from about 50% to about 85% silicon dioxide by weight.6. The insulation material of claim 1 , wherein the at least one filler comprises hollow glass microspheres.7. The insulation material of claim 6 , wherein the insulation material comprises from about 5% to about 10% hollow glass microspheres by weight.8. The insulation material of claim 6 , wherein the hollow glass microspheres exhibit a mean diameter from about 100 nm to about 5 mm.9. The insulation material of claim 1 , wherein the at least one filler comprises carbon fiber.10. The insulation material of claim 9 , wherein the insulation material comprises from about 1% to about 5% carbon fiber ...

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09-02-2017 дата публикации

PROCESS FOR MANUFACTURING A MULTIPERFORATED COMPOSITE PART

Номер: US20170036964A1
Принадлежит:

A method of fabricating a multi-perforated part out of composite material includes positioning a sand-blasting mask on a preform including a fiber texture impregnated with a polymerized ceramic-precursor resin, the mask having a plurality of openings corresponding to the perforations to be made in the preform; projecting abrasive particles at high speed against the surface of the mask so as to perforate the preform exposed in the openings of the mask; and pyrolyzing the multi-perforated preform so as to form a ceramic matrix in the multi-perforated fiber texture. 1. A method of fabricating a multi-perforated part out of composite material , the method comprising the following steps:positioning a sand-blasting mask on a preform comprising a fiber texture impregnated with a polymerized ceramic-precursor resin, said sand-blasting mask having a plurality of openings corresponding to perforations to be made in the preform;projecting abrasive particles at high speed against the surface of the sand-blasting mask so as to perforate the preform exposed in said openings of said sand-blasting mask; andpyrolyzing the multi-perforated preform so as to form a ceramic matrix in the multi-perforated fiber texture.2. A method according to claim 1 , wherein after heat treatment of the pyrolyzing step the method includes a step of densifying the multi-perforated preform claim 1 , performed by chemical vapor infiltration of silicon carbide.3. A method according to claim 1 , wherein the abrasive particles are grains of silicon carbide of angular shape with sharp edges.4. A method according to claim 1 , wherein the abrasive particles are projected against the surface of the sand-blasting mask at an angle lying in the range 45° to 60°.5. A method of fabricating a multi-perforated part out of composite material claim 1 , the method comprising the following steps:placing a sand-blasting mask on a preform comprising a fiber texture containing refractory oxide particles, said sand-blasting ...

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09-02-2017 дата публикации

COMPOSITION FOR PREPARING LIGHTWEIGHT TRANSPARENT COMPOSITE, METHOD OF PREPARING COMPOSITE USING THE SAME AND COMPOSITE PREPARED THEREBY

Номер: US20170037221A1
Принадлежит: HYUNDAI MOTOR COMPANY

The present disclosure provides a composition for preparing a lightweight transparent composite, a method of preparing a composite using the same, and a composite prepared by the method. The lightweight transparent composite having excellent impact resistance, scratch resistance, weather resistance, and high hardness can be prepared by thermally curing a mixture of a glass fiber reinforcement having a refractive index of 1.4 to 1.6 and a curable resin having a deviation in refractive index of −0.005 to +0.005 from the glass fiber reinforcement. When the lightweight transparent composite is applied to transparent windows for automobiles, the lightweight transparent composite can be useful in enhancing fuel efficiency, achieving easier handling characteristics due to reduction in vehicle center of gravity, and improving juddering and dimensional stability even during car driving due to excellent hardness. 1. A composition for preparing a lightweight transparent composite , comprising:(A) a glass fiber reinforcement having a refractive index of 1.4 to 1.6;(B) a curable resin having a deviation in refractive index of −0.005 to +0.005 from the glass fiber reinforcement (A); and(C) a ruthenium-based catalyst (C).2. The composition of claim 1 , wherein the composition comprises 50 to 250 parts by weight of the glass fiber reinforcement (A) claim 1 , and 0.2 to 2 parts by weight of the ruthenium-based catalyst (C) claim 1 , based on 100 parts by weight of the curable resin (B).3. The composition of claim 1 , wherein the glass fiber reinforcement (A) comprises one or more glass fibers (a) selected from the group consisting of S-glass fibers having a refractive index of 1.500 to 1.540 claim 1 , E-glass fibers having a refractive index of 1.540 to 1.570 claim 1 , and silica/quartz fibers having a refractive index of 1.450 to 1.460.4. The composition of claim 3 , wherein the glass fibers (a) are homogenous materials whose deviation of refractive index is less than 0.005 claim 3 ...

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08-02-2018 дата публикации

Composites with thermoplastic epoxy polymeric phase, articles such as carriers made therewith and associated methods

Номер: US20180037703A1
Принадлежит: Zephyros Inc

A structural reinforcement for an article including a carrier ( 10 ) that includes: (t) a mass of polymeric material ( 12 ) having an outer surface; and (ii) at least one fibrous composite Insert ( 14 ) or overlay ( 980 ) having an outer surface and including at least one elongated fiber arrangement (e.g., having a plurality of ordered fibers). The fibrous Insert ( 14 ) or overlay ( 980 ) is envisioned to adjoin the mass of the polymeric material in a predetermined location for carrying a predetermined load that Is subjected upon the predetermined location (thereby effectively providing localized reinforcement to that predetermined location). The fibrous insert ( 14 ) or overlay ( 980 ) and the mass of polymeric material ( 12 ) are of compatible materials, structures or both, for allowing the fibrous insert or overlay to be at feast partially joined to the mass of the polymeric material. Disposed upon at least a portion of the carrier ( 10 ) may be a mass of activatable material ( 126 ). The fibrous insert ( 14 ) or overlay ( 980 ) may include a polymeric matrix that includes a thermoplastic epoxy.

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24-02-2022 дата публикации

POLY(ARYLENE ETHER KETONE) RESIN, METHOD FOR PRODUCING THE SAME, AND MOLDED ARTICLE

Номер: US20220056210A1
Принадлежит: DIC CORPORATION

Provided is a poly(arylene ether ketone) resin which inhibits reactions such as molecular weight extension and crosslinking in a high-temperature molten state and which is excellent in melt viscosity stability and molding processability. The poly(arylene ether ketone) resin contains an alkylsulfonyl group represented by general formula (1). In the formula, R is an alkyl group containing one to four carbon atoms. 3. The poly(arylene ether ketone) resin according to claim 1 , wherein the concentration of the alkylsulfonyl group represented by general formula (1) in the poly(arylene ether ketone) resin is 0.3 mmol/kg to 2 claim 1 ,000 mmol/kg.6. The method for producing the poly(arylene ether ketone) resin according to claim 5 , wherein the reaction step (ii) is a reaction step of allowing the monomer represented by general formula (3-2) to react with isophthaloyl chloride and terephthaloyl chloride in the presence of a Lewis acid catalyst to obtain a poly(arylene ether ketone) resin (B) and allowing the poly(arylene ether ketone) resin (B) to react in the presence of a mixture of an organic sulfonic acid and phosphorus pentoxide.7. A resin composition containing the poly(arylene ether ketone) resin according to .8. The resin composition according to claim 7 , further containing a fiber.9. A molded article made by molding the resin composition according to .10. The poly(arylene ether ketone) resin according to claim 2 , wherein the concentration of the alkylsulfonyl group represented by general formula (1) in the poly(arylene ether ketone) resin is 0.3 mmol/kg to 2 claim 2 ,000 mmol/kg.11. A resin composition containing the poly(arylene ether ketone) resin according to .12. A resin composition containing the poly(arylene ether ketone) resin according to .13. A resin composition containing the poly(arylene ether ketone) resin according to .14. The resin composition according to claim 11 , further containing a fiber.15. The resin composition according to claim 12 , ...

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12-02-2015 дата публикации

Material for Molding, Shaped Product Therefrom, and Method for Manufacturing the Shaped Product

Номер: US20150044461A1
Принадлежит: TEIJIN LIMITED

There is provided a material for molding including: carbon fiber bundles which are easily impregnated including carbon fibers and at least one impregnation aid in an amount of 3 to 15 parts by mass based on 100 parts by mass of the carbon fibers, the at least one impregnation aid satisfying specific requirements; and a polycarbonate is adhered thereto in an amount of 50 to 2000 parts by mass. 1. A material for molding comprising:carbon fiber bundles which are easily impregnated including carbon fibers and at least one impregnation aid in an amount of 3 to 15 parts by mass based on 100 parts by mass of the carbon fibers, the at least one impregnation aid satisfying the following requirements 1 and 2; anda polycarbonate in an amount of 66 to 2,000 parts by mass based on 100 parts by mass of the carbon fibers, the polycarbonate adhered to the carbon fiber bundles which are easily impregnated:Requirement 1: the liquid at 300° C. has a viscosity of 10 Pa·s or less{'sub': 1', '0, 'claim-text': {'br': None, 'i': Tg', 'Tg', 'Tg, 'sub': 0', '1, 'Reduction ratio in glass transition temperature (Δ)[° C./%]=[([° C.])−([° C.])]/(content of impregnation aid[%])\u2003\u2003(A)'}, 'Requirement 2: a reduction ratio in glass transition temperature (ΔTg) of larger than 2[° C./%], the reduction ratio in glass transition temperature (ΔTg) being defined by the following expression (A) including the glass transition temperature Tg[° C.] of a resin composition obtained by incorporating the impregnation aid in an amount of 1 part by mass to 100 parts by mass based on 100 parts by mass of the polycarbonate, the glass transition temperature Tg[° C.] of the polycarbonate, and the content (%) of the impregnation aid {'br': None, 'Content of impregnation aid[%]=100×(amount of impregnation aid [parts by mass])/(amount of polycarbonate [parts by mass])\u2003\u2003(B).'}, 'wherein the content of impregnation aid [%] is defined by the following expression (B)2. The material for molding according to ...

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12-02-2015 дата публикации

STRUCTURAL MATERIAL FOR STRUCTURE

Номер: US20150044925A1
Принадлежит:

An object of the invention is to provide a structural material for a structure which enables a reduction in weight, while reducing the time and effort required during production and ensuring favorable lightning resistance performance. The structural material for a structure comprises a carbon fiber reinforced plastic in which the reinforcing material comprises a carbon fiber, the matrix comprises a plastic, and the resistivity in the sheet thickness direction is at least 1 Ωcm but not more than 200 Ωcm. The carbon fiber reinforced plastic may have a resistivity in the thickness direction of not more than 100 Ωcm, and a metal foil or a metal mesh may be provided on the surface of the carbon fiber reinforced plastic. 1. A structural material for a structure , the structural material comprising a carbon fiber reinforced plastic in which a reinforcing material comprises a carbon fiber , a matrix comprises a plastic , and a resistivity in a sheet thickness direction is at least 1 Ωcm but not more than 200 Ωcm.2. The structural material for a structure according to claim 1 , wherein the carbon fiber reinforced plastic has a resistivity in the sheet thickness direction of not more than 100 Ωcm.3. The structural material for a structure according to claim 1 , wherein a metal foil or a metal mesh is provided on a surface of the carbon fiber reinforced plastic.4. The structural material for a structure according to claim 2 , wherein a metal foil or a metal mesh is provided on a surface of the carbon fiber reinforced plastic. The present invention relates to a structural material for a structure comprising a carbon fiber reinforced plastic.Composite materials such as carbon fiber reinforced plastics (CFRP) are sometimes used as structural materials for structures such as aircraft, offshore wind turbines, automobiles and railway vehicles. CFRP uses carbon fiber as a reinforcing material, and uses a synthetic resin as a matrix.Patent Literature (PTL) 1 describes an invention ...

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07-02-2019 дата публикации

SEMI-CRYSTALLINE POLYAMIDE COMPOSITION WITH HIGH GLASS TRANSITION TEMPERATURE FOR THERMOPLASTIC MATERIAL, PROCESS FOR MANUFACTURING SAME AND USES THEREOF

Номер: US20190040198A1
Принадлежит: Arkema France

The invention relates to a composition for thermoplastic material comprising: 2. The composition as claimed in claim 1 , wherein said semi-crystalline polyamide polymer has a melting point Mp<290° C. claim 1 , as determined according to the standard ISO 11357-3 (2013).3. The composition as claimed in claim 1 , wherein said semi-crystalline polyamide polymer has a glass transition temperature Tg>120° C. claim 1 , as determined according to the standard ISO 11357-2 (2013).4. The composition as claimed in claim 1 , wherein said semi-crystalline polyamide polymer exhibits a difference between the melting point and the crystallization temperature Mp−Tc<40° C. claim 1 , preferably <30° C. claim 1 , as determined according to the standard ISO 11357-3:2013.5. The composition as claimed in claim 1 , wherein the heat of crystallization of the semi-crystalline polyamide polymer claim 1 , measured by differential scanning calorimetry (DSC) according to the standard ISO 11357-3:2013 claim 1 , is greater than 40 J/g.6. The composition as claimed in claim 1 , wherein the BAC is 1 claim 1 ,3-BAC.7. The composition as claimed in claim 1 , wherein the BAC is 1 claim 1 ,3-BAC claim 1 , and XT is chosen from 9T claim 1 , 10T claim 1 , 11T and 12T.8. The composition as claimed in claim 1 , wherein the XT is 10T claim 1 , wherein 10 corresponds to 1 claim 1 ,10-decanediamine.9. The composition as claimed in claim 1 , wherein the sum of the monomers which replace the terephthalic acid claim 1 , the BAC and X is equal to 0.1011-: (canceled)12. The composition as claimed in claim 1 , further comprising at least one additive.13. The composition as claimed in claim 12 , wherein the additive is chosen from an antioxidant claim 12 , a heat stabilizer claim 12 , a UV absorber claim 12 , a light stabilizer claim 12 , an impact modifier claim 12 , a lubricant claim 12 , an inorganic filler claim 12 , a flame retardant agent claim 12 , a nucleating agent and a dye.14. The composition as claimed in ...

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12-02-2015 дата публикации

NEW FORMULATION METHODOLOGY FOR DISTORTIONAL THERMOSETS

Номер: US20150045505A1
Принадлежит:

Methods and formulations for distortional thermosets are disclosed that display enhanced composite mechanical performances and robust sorption resistance. The composition includes an epoxy resin of formula (I): 5. The composition of claim 4 , wherein the epoxy resin and the diamine curing agent have a stoichiometric ratio of amine hydrogens to epoxide groups selected in the range from about 0.6:1.0 to about 1:1.6. The composition of claim 4 , wherein the composition possesses a von Mises strain of at least 0.300.12. The prepreg composition of claim 11 , wherein the plurality of fibers comprises at least one member selected from the group consisting of graphite claim 11 , fiberglass claim 11 , nylon claim 11 , an aramid polymer claim 11 , and spectra.13. The prepreg composition of claim 11 , wherein the epoxy resin and the diamine curing agent have a stoichiometric ratio of amine hydrogens to epoxide groups selected in the range from about 0.6:1.0 to about 1:1.14. The prepreg composition of claim 11 , wherein the thermoset composition exhibits a von Mises strain of at least 0.300 and an absorption of fluid being no more than about 1% (wt).18. The method of claim 17 , wherein the plurality of fibers comprises at least one member selected from the group consisting of graphite claim 17 , fiberglass claim 17 , nylon claim 17 , an aramid polymer and spectra.20. The method of claim 17 , further comprising freezing the prepreg composition. The disclosure relates generally to methods and formulations for distortional thermosets.Thermoset polymers form the matrix in filled plastics and fiber-reinforced composites used in many different products. Thermosets are used extensively as adhesives, molding compounds and surface coatings. Three stages are typically used in the processing of thermoset polymers. In the A-stage the resin is still soluble and fusible. In the B-stage, thermosets are nearly insoluble but remain thermoplastic. Though the B-stage material exists in a molten ...

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07-02-2019 дата публикации

Accessory drive belt tensioner

Номер: US20190040937A1
Принадлежит: MUHR UND BENDER KG

The present invention relates to an accessory drive belt tensioner for use in an engine for motor vehicles, comprising a base, a tensioner arm and a pulley mounted on the tensioner arm, wherein the base and the tensioner arm are arranged in a pivotal arrangement, the base and the tensioner arm are tension loaded and the pivotal arrangement confines a space being aimed for receiving a generator pulley, wherein the tensioner arm is made of a specific thermally conductive plastic composition; comprises cooling fins, the cooling fins being positioned in the vicinity of, or at least partially inside the space confined by the pivotal arrangement; and comprises a bearing surface part, for sliding contact with the base (A) within the pivotal arrangement, consisting of metal.

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18-02-2021 дата публикации

LOW FRICTION RESIN COMPOSITES

Номер: US20210047469A1
Принадлежит:

The present invention relates to a low friction resin composite comprising a binder comprising phthalonitrile-based resin, and three or more kinds of fillers dispersed in the binder. 1. A low friction resin composite comprising:a binder comprising phthalonitrile-based resin; andthree or more kinds of fillers dispersed in the binder.2. The low friction resin composite according to claim 1 , wherein the fillers are three or more kinds of additives selected from the group consisting of graphite claim 1 , polytetrafluoroethylene claim 1 , tungsten disulfide claim 1 , molybdenum disulfide claim 1 , and milled carbon fiber.3. The low friction resin composite according to claim 2 , wherein the fillers comprise graphite claim 2 , and two or more kinds of additives selected from the group consisting of polytetrafluoroethylene claim 2 , tungsten disulfide claim 2 , molybdenum disulfide claim 2 , and milled carbon fiber.4. The low friction resin composite according to claim 1 , wherein the fillers are powder additives having a longest diameter of 0.01 to 100 μm.5. The low friction resin composite according to claim 1 , comprising:100 parts by weight of the binder comprising phthalonitrile-based resin; and1 to 100 parts by weight of the fillers.6. The low friction resin composite according to claim 3 , wherein the composite comprises claim 3 , based on 100 parts by weight of the binder comprising phthalonitrile-based resin:15 to 30 parts by weight of graphite; and10 to 40 parts by weight of two kinds of additives selected from the group consisting of polytetrafluoroethylene, tungsten disulfide, molybdenum disulfide, and milled carbon fiber.7. The low friction resin composite according to claim 1 , wherein the binder comprising phthalonitrile-based resin is obtained by curing a composition containing a phthalonitrile compound by one or more curing agents selected from the group consisting of an amine-based compound claim 1 , a hydroxy-based compound claim 1 , and an imide-based ...

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18-02-2016 дата публикации

NOVEL CYCLIC ACETAL, CYCLIC KETAL DIAMINES EPOXY CURING AGENTS AND DEGRADABLE POLYMERS AND COMPOSITES BASED THEREON

Номер: US20160046760A1
Автор: Li Xin, Liang Bo, Qin Bing
Принадлежит:

The present invention provides, among others, compounds of the following formula which can be used as degradable curing agents, methods for preparing the compounds, degradable polymers and reinforced composites, methods for degrading and recycling the polymers and composites. 2. The curing agent of claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare the same or different; A and B are the same or different.3. The curing agent of claim 1 , wherein n is 1.4. The curing agent of claim 3 , wherein each of R claim 3 , R claim 3 , R claim 3 , R claim 3 , Rand R claim 3 , independently claim 3 , is hydrogen or lower alkyl.5. The curing agent of claim 4 , wherein each of A and B independently is alkylene claim 4 , cycloalkylene claim 4 , arylene claim 4 , or heteroarylene.8. The method of claim 7 , wherein the catalyst comprises p-toluenesulfonic acid claim 7 , pyridinium p-toluenesulfonic acid claim 7 , sulfuric acid claim 7 , phosphoric acid claim 7 , nitric acid claim 7 , hydrogen chloride claim 7 , molecular sieves claim 7 , sulfonic acid resin claim 7 , or solid super acid.10. The method of claim 9 , wherein the catalyst comprises p-toluenesulfonic acid claim 9 , pyridinium p-toluenesulfonic acid claim 9 , sulfuric acid claim 9 , phosphoric acid claim 9 , nitric acid claim 9 , hydrogen chloride claim 9 , molecular sieves claim 9 , sulfonic acid resin claim 9 , or solid super acid.12. The method of claim 11 , wherein the catalyst comprises p-toluenesulfonic acid claim 11 , pyridinium p-toluenesulfonic acid claim 11 , sulfuric acid claim 11 , phosphoric acid claim 11 , nitric acid claim 11 , hydrogen chloride claim 11 , molecular sieves claim 11 , sulfonic acid resin claim 11 , or solid super acid.14. (canceled)15. The cross-linked polymer of claim 13 , wherein n is 1.16. The cross-linked polymer of claim 15 , wherein each of R claim 15 , R claim 15 , Rand Rindependently is hydrogen or lower alkyl.17. The cross-linked polymer of claim 16 , wherein ...

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18-02-2016 дата публикации

THERMOPLASTIC POLYMER COMBINED WITH CARBON NANOMATERIAL AND METHOD OF PREPARING THE SAME

Номер: US20160046794A1
Принадлежит:

Disclosed are a thermoplastic polymer combined with a carbon nanomaterial and a method of preparing the same. More particularly, a thermoplastic polymer combined with carbon nanomaterial, comprising 0.1 to 15 wt % of a carbon nanomaterial, 0.025 to 30 wt % of a polycyclic aromatic hydrocarbon derivative, and 55 to 99.875 wt % of a thermoplastic polymer, wherein the carbon nanomaterial and the polycyclic aromatic hydrocarbon derivative combine through π-π interaction, and the polycyclic aromatic hydrocarbon derivative covalently combines with the thermoplastic polymer, is disclosed. The thermoplastic polymer combined with the carbon nanomaterial and the method of preparing the same, according to the present invention, exhibit excellent tensile strength, tensile modulus, electromagnetic shielding effects and anti-static effects, and the like. 1. A thermoplastic polymer combined with a carbon nanomaterial , comprising 0.1 to 15 wt % of a carbon nanomaterial , 0.025 to 30 wt % of a polycyclic aromatic hydrocarbon derivative , and 55 to 99.875 wt % of a thermoplastic polymer ,wherein the carbon nanomaterial and the polycyclic aromatic hydrocarbon derivative are combined through π-π interaction, and the polycyclic aromatic hydrocarbon derivative and the thermoplastic polymer are covalently bonded.2. The thermoplastic polymer according to claim 1 , wherein the carbon nanomaterial is at least one selected from the group consisting of single walled carbon nanotubes claim 1 , double walled carbon nanotubes claim 1 , multi-walled carbon nanotubes claim 1 , graphene claim 1 , and carbon nano fibers.3. The thermoplastic polymer according to claim 1 , wherein the polycyclic aromatic hydrocarbon derivative comprises 2 to 5 fused benzene rings.4. The thermoplastic polymer according to claim 1 , wherein the polycyclic aromatic hydrocarbon derivative comprises a functional group reacting with the polymer.5. The thermoplastic polymer according to claim 4 , wherein claim 4 , the ...

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15-02-2018 дата публикации

FILLER COMPOSITION AND POLYOLEFIN RESIN COMPOSITION

Номер: US20180044500A1
Принадлежит:

A filler composition comprising fibrous basic magnesium sulfate particles and non-fibrous inorganic micro-particles having an average particle diameter in the range of 0.001 to 0.5 μm in a ratio by weight in the range of 100:0.001 to 100:50, and a polyolefin resin composition comprising a polyolefin resin, fibrous basic magnesium sulfate particles and non-fibrous inorganic micro-particles having an average particle diameter in the range of 0.001 to 0.5 μm, in which the polyolefin resin and fibrous basic magnesium sulfate particles are present in a weight ratio of 99:1 to 50:50, and the non-fibrous inorganic micro-particles are present in an amount of 0.001 to 50 weight parts per 100 weight parts of the basic fibrous magnesium sulfate particles and/or in an amount of 0.0002 to 10 weight parts, per 100 weight parts of the resin. 1. A filler composition comprising fibrous basic magnesium sulfate particles and non-fibrous inorganic micro-particles having an average particle diameter in the range of 0.001 to 0.5 μm in a ratio by weight in the range of 100:0.001 to 100:50.2. The filler composition of claim 1 , wherein the non-fibrous inorganic micro-particles are spherical silicon dioxide particles.3. The filler composition of claim 2 , wherein the spherical silicon dioxide particles have an average particle diameter in the range of 0.005 to 0.1 μm.4. The filler composition of claim 1 , wherein the fibrous basic magnesium sulfate particles have an average longer diameter in the range of 5 to 50 μm and an average shorter diameter in the range of 0.1 to 2.0 μm claim 1 , and an aspect ratio in terms of the average longer diameter/average shorter diameter is in the range of 5 to 50.5. The filler composition of claim 1 , wherein the average diameter of the non-fibrous inorganic micro-particles is in the range of ⅕ to 1/500 per an average shorter diameter of the fibrous basic magnesium sulfate particles.6. The filler composition of claim 1 , wherein the non-fibrous inorganic ...

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19-02-2015 дата публикации

POLYAMIDE RESIN-TYPE COMPOSITE MATERIAL AND METHOD FOR PRODUCING SAME

Номер: US20150048539A1
Автор: Mitadera Jun
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, 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 %. 1. (canceled)2. A polyamide resin composite material comprising:a fibrous material (B) impregnated with a polyamide resin (A),wherein the polyamide resin (A) is composed of diamine structural units and dicarboxylic units, at least 50 mole % of the diamine structural units is derived from xylylenediamine, the polyamide resin (A) has a number-average molecular weight (Mn) of 6,000 to 30,000, and 0.5 to 5 mass % of the polyamide resin (A) is a polyamide resin with a molecular weight of not more than 1,000.3. The material of claim 2 , wherein 0.01 to 1 mass % of the polyamide resin (A) is a cyclic compound which is produced when a salt from a diamine component and dicarboxylic acid component as starting materials for the polyamide resin (A) forms a ring.4. The material of claim 2 , wherein the polyamide resin (A) has a molecular weight distribution (Mw/Mn) of 1.8 to 3.1.5. The material of claim 2 , wherein the polyamide resin (A) has a melt viscosity of 50 to 1 claim 2 ,200 Pa·s claim 2 , when measured at a temperature of a melting point of the polyamide resin (A)+30° C. claim 2 , at a shear rate of 122 sec claim 2 , and at a moisture content in the polyamide resin (A) of not more than 0.06 mass %.6. The material of claim 2 , wherein the polyamide ...

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16-02-2017 дата публикации

DOCTOR BLADE HOLDERS AND DOCTOR BLADE HOLDER SYSTEMS INCLUDING PLANAR ELEMENTS WITH THREE DIMENSIONAL FABRIC REINFORCEMENT MATERIALS

Номер: US20170044719A1
Принадлежит:

A planar element is disclosed for use in a papermaking system. The planar element is suitable for use as a doctor blade or a top plate and includes a three-dimensional composite structure including elongated elements extending in at least three orthogonal directions, and a resin in which the three-dimensional composite structure is embedded. 1. A planar element for use in a papermaking system , said planar element being suitable for use as a doctor blade or a top plate , said planar element comprising:a three-dimensional composite structure including elongated elements extending in at least three orthogonal directions; anda resin in which the three-dimensional composite structure is embedded.2. The planar element as claimed in claim 1 , wherein the elongated elements extending in at least three orthogonal directions include a plurality of fabrics.3. The planar element as claimed in claim 1 , wherein the plurality of fabrics include a plurality of fibres.4. The planar element as claimed in claim 3 , wherein the plurality of fibres include any of glass fibres claim 3 , carbon fibres claim 3 , ceramic fibres claim 3 , aramid fibres claim 3 , or inorganic fibres claim 3 , organic fibres claim 3 , synthetic fibres claim 3 , and/or modified synthetic fibres.5. The planar element as claimed in claim 3 , wherein the plurality of fibres include any of glass/high performance thermoplastic (HPT) yarns or fibres claim 3 , carbon/high performance thermoplastic yarns or fibres claim 3 , glass/carbon/HPT yarns or fibres in all possible combinations claim 3 , including claim 3 , but not exclusively claim 3 , comingled yarns and fibres claim 3 , or twisted yarns and fibres.6. The planar element as claimed in claim 1 , wherein the resin is any of an epoxy resin claim 1 , a high performance (HPT) resin including polyether ether ketone (PEEK) claim 1 , polphenylene sulfide (PPS) claim 1 , polyether imide (PEI) claim 1 , polyphthalamide (PPA) claim 1 , or polyether ketone ketone (PEKK). ...

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16-02-2017 дата публикации

FERROMAGNETIC METAL NANOWIRE DISPERSION AND METHOD FOR MANUFACTURING SAME

Номер: US20170047150A1
Принадлежит: UNITIKA LTD.

The present invention provides a ferromagnetic metal nanowire dispersion having an excellent dispersibility, from which a ferromagnetic metal nanowire film having an excellent electrical conductivity can be made. The present invention relates to a ferromagnetic metal nanowire dispersion comprising a ferromagnetic metal nanowire and a polymer compound. 1. A ferromagnetic metal nanowire dispersion comprising:a ferromagnetic metal nanowire; anda polymer compound.2. The dispersion of claim 1 , comprising a layer of the polymer compound on a surface of the ferromagnetic metal nanowire.3. The ferromagnetic metal nanowire dispersion of claim 1 , further comprising a dispersing medium selected from the group consisting of water claim 1 , an organic solvent and a mixture thereof.4. The ferromagnetic metal nanowire dispersion of claim 3 , wherein the dispersing medium is a solvent that exhibits reducibility or a solvent containing an antioxidant.5. A method for manufacturing the ferromagnetic metal nanowire dispersion of claim 1 , the method comprising a step of:reducing a ferromagnetic metal ion in a solution of a polymer compound to make a ferromagnetic metal nanowire.6. The method for manufacturing the ferromagnetic metal nanowire dispersion of claim 5 , further comprising a step of:reducing the ferromagnetic metal nanowire.7. The method for manufacturing the ferromagnetic metal nanowire dispersion of claim 5 , further comprising a step of:dispersing the ferromagnetic metal nanowire in a dispersing medium selected from the group consisting of water, an organic solvent and a mixture thereof.8. The method for manufacturing the ferromagnetic metal nanowire dispersion of claim 7 , wherein the dispersing medium is a solvent that exhibits reducibility or a solvent containing an antioxidant.9. An electrically conductive film claim 1 , which is formed from the ferromagnetic metal nanowire dispersion of .10. A laminate comprising a substrate and the electrically conductive film of ...

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03-03-2022 дата публикации

Aqueous binder compositions for mineral wool products

Номер: US20220064408A1

A method of manufacturing an insulation product is provided that includes collecting a plurality of inorganic fibers comprising at least 25 wt. % of bi- and tri-valent metal oxides on a substrate, applying a formaldehyde-free aqueous binder composition that includes a nitrogen-based protective agent to the collection of inorganic fibers, removing the nitrogen-based protective agent by heating the binder-coated inorganic fibers; and curing the aqueous binder composition via an esterification reaction.

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03-03-2022 дата публикации

SHAPE MEMORY POLYMER ACTUATORS

Номер: US20220065232A1
Принадлежит:

Resistive heating elements are embedded in a shape memory polymer actuator. Sensing elements are associated with the resistive heating elements. The sensing elements sense changes in the resistive heating elements and correlate the changes with deformation of the shape memory polymer actuator. 1. An assembly comprising:resistive heating elements embedded in a shape memory polymer actuator, called an SMPA; andsensing elements associated with said resistive heating elements, said sensing elements configured to sense changes in said resistive heating elements and to correlate said changes with deformation of said SMPA.2. The assembly according to claim 1 , wherein said sensing elements comprise electrical resistance sensors configured to sense changes in electrical resistance of said resistive heating elements.3. The assembly according to claim 1 , wherein upon deformation of said SMPA claim 1 , an amount of contact points at which said resistive heating elements contact each other changes.4. The assembly according to claim 1 , wherein said resistive heating elements comprise carbon fiber-based resistive heater elements claim 1 , and upon deformation of said SMPA claim 1 , a density of π electrons of said carbon fiber-based resistive heater elements changes.5. The assembly according to claim 1 , comprising a power supply controller coupled to said SMPA claim 1 , and wherein electrical resistance output of said SMPA is coupled to said controller as a feedback to control a degree of deformation of said SMPA.6. The assembly according to claim 1 , wherein said SMPA is coated with a metallic layer that reflects radiative heat energy emitted by said SMPA back to said SMPA.7. The assembly according to claim 1 , wherein said SMPA is part of a low earth orbit space device. The present invention generally relates to shape memory polymer actuators, such as for space applications and their durability in the low earth orbit space environment.Shape memory polymers (SMPs) are smart ...

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14-02-2019 дата публикации

FACILE METHODS TO MANUFACTURE INTELLIGENT GRAPHENE NANOMATERIALS AND THE USE OF FOR SUPER-LIGHT MACHINE AND VEHICLES

Номер: US20190048161A1
Принадлежит: Green NanoTech Labs, LLC

This utility invention is to replace some of the parts of current vehicles and robotic machines with intelligent graphene-based fibers and nanocomposites to achieve significantly weight-decreasing and energy-savings. This invention also is related to the formation of new generation vehicles, machine parts including robotics, which include but not limited to all kinds of cars, trailers, trucks, vehicles on roads and in the sky, ships on the ocean, and intelligent robotics for Human, as well as computer parts, bicycles, and sports supplies. 1) A method of producing graphene based carbon fiber comprising the steps of:dispersing a quantity of at least one of a graphene powder, graphene flakes, graphene oxide powder, and graphene oxide flakes into a solvent solution with a surfactant;adding at least one of a nanocellulose fiber, a polymer, and a resin into the solvent; andstirring the mixture to obtain an approximately uniform viscosity solution;forming a quantity of carbon fibers from the solution.2) The method of wherein the step of forming the carbon fibers from the solution is performed using a solution spinning machine; and further comprising the step of annealing the quantity of formed carbon fibers at a temperature between 200C and 2000C for approximately four hours in a flow gas environment.3) The method of wherein the flow gas is one of methane claim 2 , benzene claim 2 , an alkane claim 2 , hydrogen claim 2 , and ammonia.4) The method of wherein the step of forming the carbon fibers from the solution is performed using a 3D printing machine claim 1 , the 3D printing machine being computerized claim 1 , and configured to force the solution through a nozzle onto a substrate; and further comprising the step of curing the resin at approximately 20C-400C.5) The method of further comprising the step of using the 3D printed quantity of carbon fiber composite for intelligent machines and vehicles.6) The method of wherein the solution forced through the nozzle is a ...

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14-02-2019 дата публикации

COMPOSITE MATERIAL WITH ENHANCED MECHANICAL PROPERTIES AND A METHOD TO FABRICATE THE SAME

Номер: US20190048182A1
Принадлежит:

According to the present disclosure, a hydrophobic polymeric composite comprising a hydrophobic polymer matrix with hydrophobically modified particles dispersed therein is provided. The hydrophobically modified particles may be derived from hydrophilic particles modified with organic moieties. The hydrophobically modified particles may also take in the form of core-shell fibers with hydrophilic particles encapsulated inside the core of said fibers or in the form of monolithic fibers embedded with hydrophilic particles. The method for making hydrophobic polymeric composite comprising each of the various hydrophobically modified particles is also provided. The hydrophobic polymer matrix can be chosen from poly(alpha-hydroxyesters), of carbonates, polyurethanes or polyalkanoates. For example, hydrophilic particles, such as barium sulphate, zirconium oxide, tantalum oxide or bismuth oxide, are dispersed in the hydrophobic biodegradable polymers, such as poly-(L-lactide) (PLLA). 1. A hydrophobic polymeric composite comprising a hydrophobic polymer matrix with hydrophobically modified particles dispersed therein , wherein the hydrophobically modified particles each comprises a hydrophilic particle comprising an organic moiety which changes the hydrophilic particle into a hydrophobically modified particle , and wherein the hydrophilic particle comprises barium sulphate , zirconia , tantalum oxide , or bismuth oxide.2. The hydrophobic polymeric composite according to claim 1 , wherein the hydrophobic polymer matrix comprises poly(alpha-hydroxyesters) claim 1 , polycarbonates claim 1 , polyurethanes claim 1 , or polyalkanoates.3. The hydrophobic polymeric composite according to claim 2 , wherein the poly(alpha-hydroxyesters) are selected from the group consisting of polylactic acid claim 2 , poly-(l-lactide) claim 2 , poly-(d claim 2 ,l-lactide) claim 2 , poly(glycolic) acid claim 2 , poly(lactide-co-glycoside acid) claim 2 , polycaprolactone claim 2 , poly(p-dioxanone) ...

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25-02-2016 дата публикации

Inorganic nanofiber and method for manufacturing same

Номер: US20160053090A1
Принадлежит: Japan Vilene Co Ltd

Disclosed are an inorganic nanofiber characterized in that the average fiber diameter is 2 μm or less, the average fiber length is 200 μm or less, and the CV value of the fiber length is 0.7 or less; and a method of manufacturing the same. In the manufacturing method, an inorganic nanofiber sheet consisting of inorganic nanofibers having an average fiber diameter of 2 μm or less is formed by electrospinning, and then, the inorganic nanofiber sheet is pressed using a press machine and crushed so that the average fiber length becomes 200 μm or less, and the CV value of the fiber length becomes 0.7 or less.

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23-02-2017 дата публикации

DISPERSIONS COMPRISING DISCRETE CARBON NANOTUBE FIBERS

Номер: US20170050158A1
Принадлежит: Molecular Rebar Design, LLC

This present invention relates to the carbon nanotubes as composites with materials such as elastomers, thermosets and thermoplastics or aqueous dispersions of open-ended carbon nanotubes with additives. A further feature of this invention relates to the development of a concentrate of carbon nanotubes with an elastomer wherein the concentrate can be further diluted with an elastomer and other polymers and fillers using conventional melt mixing equipment. 1. A dispersion comprising a plurality of oxidized , discrete carbon nanotubes and at least one additive , wherein the oxidized , discrete carbon nanotubes have an aspect ratio of 25 to 500 , are multiwall , and are present in the range of up to about 30% by weight based on the total weight of the dispersion.2. The dispersion of wherein at least 70 percent by weight of the nanotubes are discrete.3. The dispersion of in the form of free flowing particles.4. The dispersion of wherein the oxidized claim 1 , discrete carbon nanotubes comprise an oxidation species selected from carboxylic acid or a derivative carbonyl containing species wherein the derivative carbonyl species is selected from ketones claim 1 , quaternary amines claim 1 , amides claim 1 , esters claim 1 , acyl halogens claim 1 , and monovalent metal salts.5. The dispersion of wherein the oxidized claim 1 , discrete carbon nanotubes comprise an oxidation species selected from hydroxyl or derived from hydroxyl containing species.6. The dispersion of wherein the oxidized claim 1 , discrete carbon nanotubes are present in the range of 15% to about 25% by weight based on the total weight of the dispersion.7. The dispersion of wherein the oxidized claim 1 , discrete carbon nanotubes are present in the range of 18% to about 22% by weight based on the total weight of the dispersion.8. The dispersion of claim 1 , wherein the additive is selected from the group consisting of dicarboxylic/tricarboxylic esters claim 1 , timellitates claim 1 , adipates claim 1 , ...

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22-02-2018 дата публикации

Puncture-Healing Thermoplastic Resin Carbon-Fiber-Reinforced Composites and Method of Fabricating the Same

Номер: US20180051147A1
Принадлежит:

A composite comprising a combination of a self-healing polymer matrix and a carbon fiber reinforcement is described. In one embodiment, the matrix is a polybutadiene graft copolymer matrix, such as polybutadiene graft copolymer comprising poly(butadiene)-graft-poly(methyl acrylate-co-acrylonitrile). A method of fabricating the composite is also described, comprising the steps of manufacturing a pre-impregnated unidirectional carbon fiber preform by wetting a plurality of carbon fibers with a solution, the solution comprising a self-healing polymer and a solvent, and curing the preform. A method of repairing a structure made from the composite of the invention is described. A novel prepreg material used to manufacture the composite of the invention is described. 1. A method of fabricating a composite comprising the steps of:dissolving a polybutadiene graft copolymer with a solvent to form a solution;wetting a plurality of tows of a carbon fiber or a fabric of the carbon fiber with the solution; andfabricating prepregs from the wetted tows or fabric in a prepreg machine; and laying up fabricated prepregs and process in a vacuum press.2. The method of claim 1 , wherein the fabricating step comprises:increasing the temperature in the vacuum press from about 25° C. to about 150° C. at about 2° C. per minute under full vacuum and holding at about 150° C. for about 60 minutes under full vacuum;increasing the temperature in the vacuum press to about 225° C. at about 2° C. per minute under full vacuum and holding at about 225° C. for about 60 minutes under full vacuum and about 1.7 MPa compaction pressure; andcooling the vacuum press to about 25° C. at about 2° C. per minute under full vacuum.3. A method of repairing a structural component for a vehicle comprising a composite claim 1 , wherein the composite comprises a combination of a self-healing polymer matrix and a carbon-fiber reinforcement claim 1 , wherein the method comprises subjecting the structure to an elevated ...

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22-02-2018 дата публикации

Composite Articles Comprising Metal Carbide Fibers

Номер: US20180051396A1
Автор: Garnier John E.
Принадлежит:

A method of producing, from a continuous or discontinuous (e.g., chopped) carbon fiber, partially to fully converted metal carbide fibers. The method comprises reacting a carbon fiber material with at least one of a metal or metal oxide source material at a temperature greater than a melting temperature of the metal or metal oxide source material (e.g., where practical, at a temperature greater than the vaporization temperature of the metal or metal oxide source material). Additional methods, various forms of carbon fiber, metal carbide fibers, and articles including the metal carbide fibers are also disclosed. 1. An article comprising:metal carbide fibers dispersed in a matrix, the metal carbide fibers comprising metal carbide in fiber form, the metal carbide comprising at least one of aluminum carbide, beryllium carbide, calcium carbide, cerium carbide, chromium carbide, dysprosium carbide, erbium carbide, europium carbide, gadolinium carbide, hafnium carbide, holmium carbide, iron carbide, lanthanum carbide, lithium carbide, magnesium carbide, manganese carbide, molybdenum carbide, niobium carbide, neodymium carbide, praseodymium carbide, samarium carbide, scandium carbide, tantalum carbide, terbium carbide, thulium carbide, thorium carbide, titanium carbide, tungsten carbide, uranium carbide, vanadium carbide, ytterbium carbide, yttrium carbide, or zirconium carbide.2. The article of claim 1 , wherein the matrix comprises at least one of a ceramic material claim 1 , a refractory carbide material claim 1 , a metal material claim 1 , a polymer material claim 1 , or combinations thereof.3. The article of claim 1 , wherein the article is one of claim 1 , or a portion of an article selected from the group comprising a magnet claim 1 , laser claim 1 , maser claim 1 , recording device claim 1 , electrical motor claim 1 , chemical reducing agent claim 1 , ceramic capacitor claim 1 , battery electrode claim 1 , hydrogen storage device claim 1 , mercury vapor lamp claim 1 ...

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14-02-2019 дата публикации

Corrosion-protective jacket for electrode

Номер: US20190051995A1
Принадлежит: Shore Acres Enterprises Inc

An electrical grounding assembly includes an electrically conductive metal grounding plate, and a corrosion-protective jacket enclosing the grounding plate. The jacket is electrically conductive and water impermeable. The electrical grounding assembly further includes an electrically conductive line having a first end in electrical contact with the grounding plate and enclosed in the jacket, and an opposed second end outside of the jacket for connection to a structure to be electrically grounded.

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05-03-2015 дата публикации

TIRE

Номер: US20150059956A1
Принадлежит: BRIDGESTONE CORPORATION

A tire including a circular tire frame formed of a resin material that includes a thermoplastic resin and fibers. 1. A tire , comprising a circular tire frame formed of a resin material that includes a thermoplastic resin and fibers.2. The tire of claim 1 , wherein the fibers are organic fibers claim 1 , inorganic fibers claim 1 , or a combination of organic fibers and inorganic fibers.3. The tire of claim 1 , wherein the fibers have a length (L) of from 0.1 mm to 10 mm claim 1 , a diameter (D) of from 5 μm to 30 μm claim 1 , and a ratio (L/D) of the length (L) to the diameter (D) of from 50 to 1000.4. The tire of claim 1 , wherein the content of the fibers in the resin material is from 1% by mass to 20% by mass with respect to the total mass of the resin material.5. The tire of claim 1 , wherein the thermoplastic resin is at least one selected from the group consisting of a thermoplastic polyurethane-based elastomer claim 1 , a thermoplastic polyamide-based elastomer claim 1 , a thermoplastic polyolefin-based elastomer claim 1 , a thermoplastic polystyrene-based elastomer claim 1 , and a thermoplastic polyester-based elastomer.6. The tire of claim 1 , wherein the thermoplastic resin is at least one selected from the group consisting of a thermoplastic polyamide-based elastomer and a thermoplastic polyester-based elastomer.7. The tire of claim 1 , wherein the thermoplastic resin is at least one selected from the group consisting of a thermoplastic polyamide-based elastomer and a thermoplastic polyester-based elastomer claim 1 , and the fibers are at least one selected from the group consisting of glass fibers claim 1 , carbon fibers claim 1 , and aliphatic polyamide fibers.8. The tire of claim 1 , wherein the content of the fibers in the resin material is from 1% by mass to 10% by mass with respect to the total mass of the resin material. The present invention relates to a tire for fitting onto a rim and, in particular, relates to a tire in which at least a portion ...

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23-02-2017 дата публикации

THERMALLY CONDUCTIVE COMPOSITES AND METHODS OF MANUFACTURE THEREOF, AND ARTICLES CONTAINING THE COMPOSITES

Номер: US20170055339A1
Принадлежит: Rogers Corporation

A thermally conductive composite includes a polymer; and boron nitride, wherein the boron nitride is in a form of a nanofiber, a nanotube, a nanoplate, or a combination thereof. Alternatively, a thermally conductive composite includes a boron nitride comprising pores; and a polymer disposed in a pore of the boron nitride. 1. A thermally conductive composite comprising:a polymer; andboron nitride, wherein the boron nitride is in a form of a nanofiber.2. (canceled)3. The thermally conductive composite of claim 1 , wherein the nanofiber is in a woven form.4. The thermally conductive composite of claim 1 , wherein the boron nitride nanofiber has a cross-sectional dimension of 1 to 100 nanometers.5. The thermally conductive composite of claim 1 , wherein the boron nitride nanofiber has a length of 100 nanometers to 10 millimeters.6. The thermally conductive composite of claim 1 , wherein the boron nitride nanofiber has an aspect ratio of 10 to 1 claim 1 ,000 claim 1 ,000.7. The thermally conductive composite of claim 1 , wherein the boron nitride nanofibers extends in a direction substantially perpendicular to a major surface of the polymer layer.8. A thermally conductive composite comprising:a boron nitride comprising pores; anda polymer disposed in a pore of the boron nitride.9. The thermally conductive composite of claim 8 , wherein the boron nitride has an average pore size of 5 to 1000 nanometers.10. The thermally conductive composite claim 8 , wherein the boron nitride is a doped boron nitride.11. The thermally conductive composite of claim 8 , wherein the composite is in the form of a layer.12. A method of manufacturing the thermally conductive composite of claim 1 , the method comprising:combining a polymer or a pre-polymer composition with the boron nitride nanofibers and a solvent to form a mixture;casting the mixture to form a layer; andremoving the solvent to manufacture the thermally conductive composite.13. The method of claim 12 , further comprising ...

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03-03-2016 дата публикации

Method for Producing Cut Bodies and Method for Cutting Fiber-Reinforced Resin

Номер: US20160059432A1
Принадлежит: Teijin Ltd

According to an aspect of the present invention, there is provided a method for producing cut bodies including: cutting a fiber-reinforced resin material including reinforcing fibers having a tensile strength of 1,000 MPa to 6,000 MPa and a thermoplastic resin, wherein a flexural modulus of the fiber-reinforced resin material is decreased to 80% to 15% at the cutting.

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05-03-2015 дата публикации

HEAT SINK COMPOSITION FOR ELECTRICALLY RESISTIVE AND THERMALLY CONDUCTIVE CIRCUIT BREAKER AND LOAD CENTER AND METHOD OF PREPARATION THEREFOR

Номер: US20150060723A1
Принадлежит: EATON CORPORATION

The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of towering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept. 1. A composition for the manufacture of an electrically resistive , thermally conductive electrical switching apparatus , comprising: 'polymer; and', 'a first component, comprising 'nanofibers,', 'a second component, comprisingwherein thermal conductivity of the second component is higher an thermal conductivity of the first component such that the electrical switching apparatus comprising the composition has improved heat dissipation as compared to an electrical switching apparatus constructed of the first component in absence of the second component.2. The composition of claim 1 , wherein the second component claim 1 , comprises:fiber material selected from the group consisting of polymer, polymer-containing material, metal, metal-containing material, inorganic material, and mixtures thereof, andfiller.3. The composition of claim 1 , wherein thermal conductivity of the filler is higher than thermal conductivity of each of the fiber material and the first component.4. The composition of claim 1 , wherein the first and second components are combined to form a mixture.5. ...

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21-02-2019 дата публикации

LAMINATE AND METHOD OF PRODUCING LAMINATE, AND SECONDARY SHEET AND METHOD OF PRODUCING SAME

Номер: US20190054718A1
Автор: Ito Keisuke, ITO Toyokazu
Принадлежит: ZEON CORPORATION

Disclosed are a laminate having two or more layers formed from at least one primary sheet, the at least one primary sheet containing a resin and a particulate carbon material with a content of the particulate carbon material being 50% by mass or less, and the at least one primary sheet having a tensile strength of 1.5 MPa or less, a method of producing the same, a secondary sheet that contains a resin and a particulate carbon material with a content of the particulate carbon material being 50% by mass or less, where the particulate carbon material is aligned in the thickness direction, and that has a curl index of 0.33 or less, and a method of producing the secondary sheet. 1. A laminate comprising two or more layers formed from at least one primary sheet , the at least one primary sheet containing a resin and a particulate carbon material with a content of the particulate carbon material being 50% by mass or less , and the at least one primary sheet having a tensile strength of 1.5 MPa or less.2. The laminate according to claim 1 , wherein the resin is a thermoplastic resin.3. The laminate according to claim 2 , the thermoplastic resin is a thermoplastic resin that is liquid at ordinary temperature.4. A method of producing a laminate comprising:shaping a composition containing a resin and a particulate carbon material with a content of the particulate carbon material being 50% by mass or less into a sheet by pressure application to provide a primary sheet having a tensile strength of 1.5 MPa or less; andobtaining a laminate comprising two or more layers formed either by stacking a plurality of the primary sheets on top of each other or by folding or rolling the primary sheet.5. A method of producing a secondary sheet claim 2 , the method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'slicing the laminate as recited in at an angle of 45° or less relative to the stacking direction to obtain a secondary sheet.'}6. The method according to claim 5 , ...

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02-03-2017 дата публикации

Accessory Preparation Toy

Номер: US20170056781A1
Принадлежит:

With a view to providing an accessory preparation toy which can prepare accessories of various sizes, colors, patterns and shapes easily and simply with joy, a storage container includes a main material storage portion, an auxiliary material storage portion and a mixing chamber. A main material and an auxiliary material which make up a mixed curable resin material are stored separately in the main material storage portion and the auxiliary material storage portion. Opening portions of the main material storage portion and the auxiliary material storage portion are formed so as to be opened by pressing the main material or the auxiliary material stored therein with fingers. Lamé flakes which represent a decorative material are mixed into the main material. 1. An accessory preparation toy having:a mixed curable resin material which is made up of a main material and an auxiliary material; anda storage container which stores the main material and the auxiliary material separately, whereina decorative material is mixed into the main material or the auxiliary material.2. The accessory preparation toy according to claim 1 , whereinthe mixed curable resin material is a two-pack silicone resin.3. The accessory preparation toy according to claim 1 , whereinthe decorative material is made up of a lamé material, a pearlescent material, a flake or powder of glass, metal or silica, a resin chip, ground stone, a ground wood material or a coloring liquid material, or a combination of any or some of them.4. The accessory preparation toy according to claim 2 , whereinthe decorative material is made up of a lamé material, a pearlescent material, a flake or powder of glass, metal or silica, a resin chip, ground stone, a ground wood material or a coloring liquid material, or a combination of any or some of them.5. The accessory preparation toy according to claim 1 , whereinthe storage container has a main material storage portion where the main material is stored, an auxiliary material ...

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15-05-2014 дата публикации

UREA-MODIFIED BINDER FOR MINERAL FIBRES

Номер: US20140135430A1
Принадлежит: ROCKWOOL INTERNATIONAL A/S

An aqueous binder composition for mineral fibres comprises: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) a sugar component; and (3) urea, the proportion of components (1), (2) and (3) being within the range of 10 to 80 wt. % of (1), 15 to 80 wt. % of (2), and 5 to 60 wt. % of (3), based on the solids content of components (1), (2) and (3) as measured after heat treatment for 1 hour at 200° C. 114-. (canceled)16. The binder composition of claim 15 , wherein the alkanolamine is selected from monoethanolamine claim 15 , diethanolamine claim 15 , triethanolamine claim 15 , diisopropanolamine claim 15 , triisopropanolamine claim 15 , methyldiethanolamine claim 15 , ethyldiethanolamine claim 15 , n-butyldiethanolamine claim 15 , methyldiisopropanolamine claim 15 , ethylisopropanolamine claim 15 , ethyldiisopropanolamine claim 15 , 3-amino-1 claim 15 ,2-propanediol claim 15 , 2-amino-1 claim 15 ,3-propane-diol claim 15 , aminoethylethanolamine claim 15 , tris-(hydroxymethyl)aminomethane.17. The binder composition of claim 15 , wherein the at least one polycarboxylic acid or anhydride is selected from dicarboxylic claim 15 , tricarboxylic claim 15 , tetracarboxylic claim 15 , pentacarboxylic acids and anhydrides claim 15 , and combinations thereof18. The binder composition of claim 17 , wherein the at least one polycarboxylic acid or anhydride is selected from one or more of tetrahydrophthalic acid claim 17 , hexahydrophthalic acid claim 17 , methyltetrahydrophthalic acid claim 17 , phthalic acid claim 17 , methylphthalic acid claim 17 , trimellitic acid claim 17 , pyromellitic acid claim 17 , and corresponding anhydrides.19. The binder composition of claim 18 , wherein the at least one polycarboxylic acid additionally comprises a polycarboxylic acid selected from adipic acid claim 18 , aspartic acid claim 18 , azelaic ...

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15-05-2014 дата публикации

PREPARATION OF IMIDE OLIGOMERS

Номер: US20140135447A1
Принадлежит: POLYONE CORPORATION

Reactive extrusion can be used in a continuous, solvent-less preparation of imide oligomers involving two competing reactions among three ingredients, the first reaction between a dianhydride and a diamine and the second reaction between an endcap and the diamine. The imide oligomer can form a composite via conventional production methods or via formation of a film from imide oligomer re-melted in an extruder before being impregnated into tape or fabric. 1. (canceled)2. The process of claim 17 , wherein the temperature in the extruder ranges from about 232° to about 280° C.3. The process of claim 17 , wherein step (c) uses an injection port and step (d) uses an evacuation port.4. The process of claim 17 , wherein step (e) results in pelletization for further processing.5. The process of wherein the endcap introduced during step (c) competes and denies reaction sites at the aromatic diamine for reaction by the dianhydride.6. The process of wherein establishment of delay in the introduction of the endcap of the extruder during step (c) permits the dianhydride and the diamine to commence reaction during step (b) followed by exposure during step (d) to permit the endcap to compete and deny reaction sites at the diamine for reaction by the dianhydride.7. The process of claim 17 , wherein step (c) occurs after sufficient time has passed at a given melting temperature to have permitted the dianhydride and the diamine to have begun reacting during step (b).8. The process of claim 17 , wherein the endcap is a solid or a liquid claim 17 , and wherein the process is solvent-less.9. The process of wherein the introduction of the endcap during step (c) does not cause immediate cessation of reaction of the dianhydride and the diamine which have begun reacting during step (b).10. The process of claim 17 , wherein the imide oligomer further comprises optional additives selected from the group consisting of 4-phenylethynyldiphenyl methane and diphenylacetylene claim 17 , and ...

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21-02-2019 дата публикации

Thermally Conductive Sheet, Production Method for Thermally Conductive Sheet, Heat Dissipation Member, and Semiconductor Device

Номер: US20190055443A1
Принадлежит:

A thermal conducting sheet including: a binder resin; carbon fibers; and a thermal conducting filler other than the carbon fibers, wherein a mass ratio (carbon fibers/binder resin) of the carbon fibers to the binder resin is less than 1.30, wherein an amount of the thermal conducting filler is from 48% by volume through 70% by volume, and wherein the carbon fibers are oriented in a thickness direction of the thermal conducting sheet. 1. A thermal conducting sheet , comprising:a binder resin;carbon fibers; and wherein a mass ratio (carbon fibers/binder resin) of the carbon fibers to the binder resin is less than 1.30,', 'wherein an amount of the thermal conducting filler is from 48% by volume through 70% by volume, and', 'wherein the carbon fibers are oriented in a thickness direction of the thermal conducting sheet., 'a thermal conducting filler other than the carbon fibers,'}2. The thermal conducting sheet according to claim 1 ,{'sup': '2', 'wherein compressibility of the thermal conducting sheet at a load of 0.5 kgf/cmis 3% or more.'}3. The thermal conducting sheet according to claim 1 ,wherein the thermal conducting filler includes at least one selected from the group consisting of aluminum oxide, aluminum nitride, and zinc oxide.4. The thermal conducting sheet according to claim 1 ,wherein the binder resin is a silicone resin.5. A method for producing the thermal conducting sheet according to claim 1 , the method comprising:obtaining a molded body of a thermal conducting resin composition containing the binder resin, the carbon fibers, and the thermal conducting filler by molding the thermal conducting resin composition into a predetermined shape and curing the thermal conducting resin composition; andobtaining a molded body sheet by cutting the molded body so as to have a sheet shape.6. The method for producing the thermal conducting sheet according to claim 5 ,wherein the obtaining the molded body is obtaining the molded body including the carbon fibers ...

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02-03-2017 дата публикации

ELECTRICALLY CONDUCTIVE POLYCARBONATE COMPOUNDS

Номер: US20170058105A1
Принадлежит: POLYONE CORPORATION

An electrically conductive polymer compound is disclosed. The compound comprises a matrix comprising polycarbonate and carbon nanotubes dispersed in the matrix. The carbon nanotubes are disaggregated and disagglomerated within the polycarbonate, when the compound is viewed at 20,000× magnification. The compound is useful for making extruded plastic sheet, molded objects, or other plastic articles that need electrical properties. 1. An electrically conductive thermoplastic compound , comprising(a) polycarbonate; and(b) carbon nanotubes dispersed, in an amount ranging from about 0.1 to about 10 weight percent of the compound, in the polycarbonate, without aggregation or agglomeration of nanotubes in the polycarbonate when the compound is viewed at 20,000× magnification.2. The compound of claim 1 , wherein the carbon nanotubes are single-wall nanotubes.3. The compound of claim 1 , wherein the carbon nanotubes are multi-wall nanotubes.4. The compound of claim 2 , further comprising an optional second polymer selected from the group consisting of acrylonitrile-butadiene-styrene claim 2 , polybutylene terephthalate claim 2 , polylactic acid claim 2 , or impact modified or flame retardant versions thereof claim 2 , and combinations thereof.5. The compound of claim 4 , further comprising fibers selected from the group consisting of glass fibers and carbon fibers and combinations thereof.6. The compound of claim 5 , further comprising an optional functional additive selected from the group consisting of adhesion promoters; biocides (antibacterials claim 5 , fungicides claim 5 , and mildewcides) claim 5 , anti-fogging agents; anti-static agents; bonding claim 5 , blowing and foaming agents; dispersants; fillers and extenders; fire and flame retardants and smoke suppressants; impact modifiers; initiators; lubricants; micas; pigments claim 5 , colorants and dyes; plasticizers; processing aids; release agents; silanes claim 5 , titanates and zirconates; slip and anti-blocking ...

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21-02-2019 дата публикации

PHOTO-CURABLE AND HEAT-CURABLE RESIN COMPOSITION AND DRY FILM SOLDER RESIST

Номер: US20190056658A1
Принадлежит: LG CHEM, LTD.

The present invention relates to a photo-curable and heat-curable resin composition including: an acid-modified oligomer having a photo-curable functional group having an acrylate group or an unsaturated double bond, and a carboxyl group in the molecule; a photopolymerizable monomer having at least two photo-curable unsaturated functional groups; a heat-curable binder having a heat-curable functional group; a plate-like inorganic filler having an E-modulus of 90 to 120 (Gpa); a dispersant; and a photo-initiator, and a dry film solder resist prepared therefrom. 1. A photo-curable and heat-curable resin composition including:an acid-modified oligomer having a photo-curable functional group having an acrylate group or an unsaturated double bond, and a carboxyl group in a molecule;a photopolymerizable monomer having at least two photo-curable unsaturated functional groups;a heat-curable binder having a heat-curable functional group;a plate-like inorganic filler having an E-modulus of 90 to 120 (Gpa);a dispersant; anda photo-initiator,{'sup': '2', 'wherein the plate-like inorganic filler comprises a plate-like talc powder having whiteness of 90% or higher, a particle size (D50) of 0.5 to 2 μm, a top size of 3 to 10 μm, a water content of 0.3 to 1% measured by JIS-K5101, an apparent density of 0.07 to 0.2 g/ml, and a specific surface area of 17 to 30 m/g measured by the BET method.'}2. The photo-curable and heat-curable resin composition of claim 1 , wherein the plate-like inorganic filler comprises a plate-like talc powder having whiteness of 96% or higher claim 1 , a particle size (D50) of 0.6 to 1.5 μm claim 1 , a top size of 4 to 7 μm claim 1 , a water content of 0.5 to 0.7% measured by JIS-K5101 claim 1 , an apparent density of 0.09 to 0.1 g/ml claim 1 , and a specific surface area of 18 to 24 m/g measured by the BET method.3. The photo-curable and heat-curable resin composition of claim 1 , wherein the plate-like inorganic filler is contained in an amount of 20% by ...

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04-03-2021 дата публикации

INSULATION PRECURSORS, ROCKET MOTORS, AND RELATED METHODS

Номер: US20210061999A1
Принадлежит:

An insulation material includes a matrix comprising a reaction product formed from a silicon carbide precursor resin and a silicon dioxide precursor resin. At least one filler, such as hollow glass microspheres and/or carbon fiber is dispersed within the matrix. A rocket motor includes a case, the insulation material within and bonded to the case, and a solid propellant within the case. An insulation precursor includes a silicon carbide precursor resin, a silicon dioxide precursor resin, and the at least one filler. Related methods are also disclosed. 1. A rocket motor , comprising:a case; a matrix comprising a reaction product formed from a silicon carbide precursor resin and a silicon dioxide precursor resin; and', 'at least one filler dispersed within the matrix, the at least one filler comprising at least one material selected from the group consisting of a low density filler and an ablation enhancement filler; and, 'an insulation material within the case, the insulation material comprisinga solid propellant within the case.2. The rocket motor of claim 1 , further comprising a nozzle secured to the case.3. The rocket motor of claim 1 , wherein the insulation material is bonded to the case with a silicone adhesive.4. An insulation precursor claim 1 , comprising:a silicon carbide precursor resin;a silicon dioxide precursor resin; andat least one filler material selected from the group consisting of a low density filler and an ablation enhancement filler.5. The insulation precursor of claim 4 , wherein the silicon dioxide precursor resin comprises an organically modified silicon dioxide preceramic polymer.6. The insulation precursor of claim 4 , further comprising a catalyst.7. The insulation precursor of claim 4 , further comprising an adhesion promoter.8. The insulation precursor of claim 4 , wherein the silicon dioxide precursor resin exhibits a density from about 0.95 g/cmto about 1.05 g/cm.9. The insulation precursor of claim 4 , wherein the silicon carbide ...

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20-02-2020 дата публикации

PREPREG AND CARBON FIBER REINFORCED COMPOSITE MATERIAL

Номер: US20200056005A1
Принадлежит: Toray Industries, Inc.

A prepreg containing the following constituent elements [A] to [C], wherein a resin composition containing the constituent elements [B] and [C] has a higher-order structure derived from a diffraction angle 20 between 1.0° and 6.0° observed with X-ray diffraction after curing: 12. A prepreg comprising the following constituent elements [A] to [C] , wherein a resin composition containing the constituent elements [B] and [C] has a higher-order structure derived from a diffraction angle θ between 1.0° and 6.0° observed with X-ray diffraction after curing:[A]: carbon fibers[B]: epoxy resin[C]: curing agent of [B].2. A prepreg comprising the following constituent elements [A] to [C] , wherein a resin cured product obtained by curing a resin composition containing the constituent elements [B] and [C] has an endothermic peak at 250° C. or higher when heated from 50° C. to 400° C. at a rate of 5° C/min in differential scan calorimetric analysis under a nitrogen atmosphere:[A]: carbon fibers[B]: epoxy resin[C]: curing agent of [B].3. The prepreg according to claim 1 , wherein the resin composition containing the constituent elements [B] and [C] contains a resin region indicating molecular anisotropy after curing.4. A carbon fiber reinforced composite material formed by curing the prepreg according to .52. A carbon fiber reinforced composite material comprising the following constituent element [A] and a resin cured product formed by curing a resin composition containing the following constituent elements [B] and [C] claim 1 , the resin cured product having a higher-order structure derived from a diffraction angle θ between 1.0° and 6.0° observed with X-ray diffraction:[A]: carbon fibers[B]: epoxy resin[C]: curing agent of [B].6. A carbon fiber reinforced composite material comprising the following constituent element [A] and a resin cured product formed by curing a resin composition containing the following constituent elements [B] and [C] claim 1 , the resin cured product ...

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21-02-2019 дата публикации

BIOFIDELIC CONDUCTIVE SKIN SIMULANT

Номер: US20190057624A1
Принадлежит:

Described are biofidelic conductive skin simulants closely mimicking the biomechanical properties of natural human skin, including vaginal skin tissue. The conductive simulant contains a siloxane network and conductive fibers. 1. A conductive , biofidelic conductive skin simulant comprising a crosslinked siloxane network with a conductive material dispersed therein , wherein the conductive skin simulant has a tensile strength from 1 to 30 MPa; and an elasticity modulus (E) (low stretch ratio) from 2 to 8 and an elasticity modulus (E) (high stretch ratio) from 6 to 90 MPa , wherein the low stretch elasticity modulus is less than the high stretch elasticity modulus.2. The conductive skin simulant according to claim 1 , wherein the network comprises a siloxane having a Shore hardness from 00-10 to 40 A.3. The conductive skin simulant according to claim 1 , wherein the network comprises a first siloxane having a Shore Hardness of from 00-0 to 00-60 claim 1 , and a second siloxane having a Shore Hardness of from 10 A to 40 A.4. The conductive skin simulant according to claim 3 , wherein the first siloxane has a Shore Hardness of 00-0 claim 3 , 00-05 claim 3 , 00-10 claim 3 , 00-15 or a mixture thereof.5. The conductive skin simulant according to claim 3 , wherein the second siloxane has a Shore Hardness of 20 A claim 3 , 30 A 40 A claim 3 , or a mixture thereof.6. The conductive skin simulant according to claim 3 , wherein the first siloxane is present in an amount of 2-20% by weight relative to the total weight of the crosslinked siloxane network.7. The conductive skin simulant according to claim 3 , wherein the first siloxane is present in an amount of 80-98% by weight relative to the total weight of the crosslinked siloxane network.8. The conductive skin simulant according to claim 1 , wherein the conductive material is present in an amount of 15%-90% by weight relative to the total weight of the simulant9. The conductive skin simulant according to claim 1 , wherein ...

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04-03-2021 дата публикации

Infrared absorber

Номер: US20210063621A1
Принадлежит: SUMITOMO METAL MINING CO LTD

Provided is an infrared absorber object which comprises a resin medium and, disposed therein, agglomerates of composite tungsten oxide particles, wherein the agglomerates of composite tungsten oxide particles have one or more shapes selected from among strips, flakes, and rods.

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05-03-2015 дата публикации

Adhesive using wire pigment and manufacturing method thereof

Номер: US20150065602A1
Принадлежит: Samsung Electro Mechanics Co Ltd

The present invention relates to an adhesive using wire pigments and a manufacturing method thereof. According to an embodiment of the present invention, an adhesive using wire pigments, which includes an adhesive resin composition including a photocurable adhesive material; and wire pigments formed in a nano-sized wire structure to be immersed in the adhesive resin composition and having light shielding properties, is provided. Further, a manufacturing method of an adhesive using wire pigments is provided.

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22-05-2014 дата публикации

FIXED ARRAY ACFs WITH MULTI-TIER PARTIALLY EMBEDDED PARTICLE MORPHOLOGY AND THEIR MANUFACTURING PROCESSES

Номер: US20140141195A1
Принадлежит: Individual

An anisotropic conductive film (ACF) comprising: (a) an adhesive layer having a substantially uniform thickness; and (b) a plurality of conductive particles individually adhered to the adhesive layer, wherein the conductive particles include a first non-random array of particle sites partially embedded at a first depth within the adhesive layer and a second fixed non-random array or dispersion of conductive particles partially embedded at a second depth or a dispersion of conductive particles fully embedded within the adhesive layer, wherein the first depth and the second depth are distinctly different. The ACF may be supplied as a sheet, a continuous film or as a roll and the multi-tier morphology may be present throughout the length of the product or in select areas.

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28-02-2019 дата публикации

MICROFIBER INTRODUCED IN RIGID FOAM COMPOSED OF POLYURETHANE OR POLYISOCYANURATE APPLIED ON THERMAL INSULATOR PRODUCT

Номер: US20190062486A1
Автор: NERENBERG Mario
Принадлежит:

“MICROFIBER INTRODUCED IN RIGID FOAM COMPOSED OF POLYURETHANE AND POLYISOCYANURATE APPLIED ON THERMAL INSULATOR PRODUCT”, composed by polyurethane and polyisocyanurate in low or high density(), with introduction of microfibers() introduced more directly into the insulating core of the shaped product, type roof tiles and covers() of buildings, in order to increase the mechanic resistance of rigid foam structures composed of polyurethane and polyisocyanurate in low and high density, mainly, in low density, enabling a mechanically stronger and much lighter structure for its handling and installation. 1{'b': 2', '3', '4, 'Polyurethane or polyisocyanurate in low or high density(), with introduction of microfibers() introduced more directly into the insulating core of the shaped product, type roof tiles and covers() of buildings.'}. Microfiber introduced in rigid foam composed of polyurethane or polyisocyanurate applied on thermal insulator product, comprising: The present invention refers to it microfiber introduced in rigid foam composed of polyurethane or polyisocyanurate applied on thermal insulator product, for example, sandwich roof tiles or other product that are best suited for the new composition, in such way to enable higher and better resistance to structures of this gender.The state of the art present some models of roof tries or sheets composed for roof coverings or division walls grafted with thermal or acoustic insulation material, which use in their filling, eps, polyurethane or polyisocyanurate, that is, the composition of these materials possess high density characteristics, normally between 38 kg/m-44 kg/m, in order to obtain mechanic resistance, especially when it comes to roof tiles and covering sheets, in which many times some kind of maintenance is needed, where people end up having to walk on top.Occur that the high density material is much more expensive, increasing the costs for acquisition and selling of the finished product, also turning the ...

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17-03-2022 дата публикации

POLYMER DISPERSANT CAPABLE OF HYBRIDIZING NANO-METAL AND NANO-CARBON, PREPARING METHOD THEREFOR, AND METHOD FOR MANUFACTURING HYBRID FILM USING THEREOF

Номер: US20220081503A1
Принадлежит:

Disclosed are a polymeric dispersant capable of hybridizing nano-metal and nano-carbon, a polymeric dispersant being composed of a monomer capable of undergoing radical polymerization while having a disulfide functional group, 2-(dimethylamino)ethyl methacrylate, and an aromatic monomer having at least one unsaturated group, a method for preparing thereof, and a method of manufacturing a hybrid film using the polymeric dispersant. 2. The polymeric dispersant of claim 1 , wherein the polymeric dispersant represented by Formula 1 has a molecular weight of 1×10to 5×10g/mol.3. The polymeric dispersant of claim 1 , wherein the metal in the nano-metal is at least one selected from the group consisting of silver (Ag) claim 1 , copper (Cu) claim 1 , gold (Au) claim 1 , chromium (Cr) claim 1 , aluminum (Al) claim 1 , tungsten (W) claim 1 , zinc (Zn) claim 1 , nickel (Ni) claim 1 , iron (Fe) claim 1 , platinum (Pt) claim 1 , and palladium (Pb).4. The polymeric dispersant of claim 1 , wherein the nano-carbon is carbon quantum dots claim 1 , fullerene claim 1 , carbon nano-ribbons claim 1 , carbon nano-tubes claim 1 , or graphene.7. The method of claim 5 , wherein step (A1) of preparing the monomer represented by Formula 2 comprises steps of:(A1a) dissolving a mixture of lipoic acid and 2-hydroxyethyl methacrylate in a solvent;(A1b) adding dicyclohexylcarbodiimide (DCC) to the mixture, followed by stirring for 12 to 36 hours; and(A1c) obtaining the monomer represented by Formula 2 by removing impurities through chromatography after the stirring,wherein the mixture in step (A1a) is cooled to a temperature ranging from −5 to 5° C. after dissolution.8. The method of claim 5 , wherein step (A2) comprises steps of:(A2a) preparing a mixture by dissolving, in a solvent, the monomer represented by Formula 2, the 2-(dimethylamino)ethyl methacrylate represented by Formula 3, and the aromatic monomer having at least one unsaturated group;(A2b) stirring the mixture at a temperature ranging ...

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17-03-2022 дата публикации

High Temperature Polyketone Copolymers

Номер: US20220081549A1
Автор: YiFeng Wang
Принадлежит: HT Materials Corp

Compositions and methods for amorphous high temperature polyketone polymers incorporating 2H-benzimidazol-2-one with dihalobenzophenone and bis(halobenzoyl)benzene as comonomer units are described herein. The polyketones polymers have advantageous properties, particularly in terms of high glass transition temperatures (Tg), inherently flame resistance, good mechanical properties at elevated temperature, chemical resistance and dimensional stability in wet environment. The polymers are suitable for manufacturing high temperature molded systems and other articles of manufacture via injection molding, extrusion, compression molding, coating, blow molding, thermoforming, rotational molding and additive manufacturing.

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12-03-2015 дата публикации

Light-reflective anisotropic conductive adhesive agent, and light emitting device

Номер: US20150069448A1
Принадлежит: Dexerials Corp

A light-reflective anisotropic conductive adhesive is used for anisotropic conductive connection of a light-emitting element to a wiring board. The adhesive includes a thermosetting resin, conductive particles, and light-reflective acicular insulating particles. The conductive particles comprise a core particle coated with a metal particle or a metal material, and a light reflective layer formed on a surface of the core particle. The light reflective layer comprises inorganic particles selected from any one of titanium oxide particles, zinc oxide particles or aluminum oxide particles until the entire conductive particle appears a color in a range from white to gray.

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