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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 1156. Отображено 100.
26-04-2012 дата публикации

Polyimide polyphenylsulfone blends with improved flame resistance

Номер: US20120100324A1

The present disclosure relates to a composition with improved flame resistance, to articles made from the composition, and to methods that include processing the composition. The composition can include from 15 to 85 percent by weight of a polyetherimide (PEI), from 15 to 85 percent by weight of a polyphenylsulfone (PPSU), a polyetherimide-siloxane copolymer in an amount up to 12 percent by weight, and from 0 to 0.30 percent by weight of a stabilizer.

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05-07-2012 дата публикации

Flame retardant system

Номер: US20120172467A1
Принадлежит: BASF SE

The invention relates to a flame retardant comprising a) at least one sulfur compound of the formula (I) b) at least one halogen-free organophosphorus compound with phosphorus content in the range from 0.5 to 40% by weight, based on the phosphorus compound.

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05-01-2017 дата публикации

SIZING AGENT-COATED REINFORCING FIBERS, METHOD FOR PRODUCING SIZING AGENT-COATED REINFORCING FIBERS, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20170002154A1
Принадлежит: Toray Industries, Inc.

Sizing agent-coated reinforcing fibers include reinforcing fibers and a sizing agent containing a polyrotaxane, the reinforcing fibers being coated with the sizing agent. Provided are sizing agent-coated reinforcing fibers that provide a fiber-reinforced composite material with excellent mechanical properties, a method for producing the sizing agent-coated reinforcing fibers, a prepreg including the sizing agent-coated reinforcing fibers, and a fiber-reinforced composite material with excellent mechanical properties including the sizing agent-coated reinforcing fibers. 1. Sizing agent-coated reinforcing fibers comprising:reinforcing fibers; anda sizing agent comprising a polyrotaxane,wherein the reinforcing fibers are coated with the sizing agent.2. The sizing agent-coated reinforcing fibers according to claim 1 , wherein the sizing agent further comprises a compound having at least one epoxy group.3. The sizing agent-coated reinforcing fibers according to claim 2 , wherein the compound having at least one epoxy group is a compound having two or more epoxy groups in its molecule and selected from polyether polyepoxy compounds and polyol polyepoxy compounds.4. The sizing agent-coated reinforcing fibers according to claim 3 , wherein the compound having at least one epoxy group is a glycidyl ether epoxy compound produced by a reaction between epichlorohydrin and at least one compound selected from glycerol claim 3 , digylcerol claim 3 , polyglycerol claim 3 , trimethylolpropane claim 3 , pentaerythritol claim 3 , sorbitol claim 3 , and arabitol.5. The sizing agent-coated reinforcing fibers according to claim 1 , wherein the sizing agent comprises a polyrotaxane in an amount of 5% to 80% by mass based on a total amount of sizing agent.6. The sizing agent-coated reinforcing fibers according to claim 1 , wherein the polyrotaxane comprises a linear molecule having a weight average molecular weight of 15 claim 1 ,000 to 30 claim 1 ,000.7. The sizing agent-coated ...

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11-01-2018 дата публикации

A PROCESS FOR PREPARING FREE-STANDING FILMS OF CONDUCTIVE POLYMERS

Номер: US20180009957A1
Принадлежит:

The present invention relates to a process for the preparation of films of conductive polymers, by the technique so-called roll-to-roll, which allows to obtain freestanding films having advantageous features such as toughness, flexibility, ability to adhere to different substrates, a submicron thickness and a very high ratio surface area/thickness; the present films are suitable for use in several technological applications, in particular for the development of biosensors, and in the production of flexible electronic components with large surface, suitable for wearable devices and also intended for contacting skin. 1. A process for the preparation of free-standing films , comprising at least a surface layer of a conductive polymer , comprising:a) depositing of a layer of a first polymer on a temporary support, wherein said deposition is carried out by the roll-to-roll technique staring from said temporary support in the form of a film and from a solution of said first polymer, and drying of the so obtained film consisting of said temporary support and of said layer of a first polymer;b) depositing of a layer of a second polymer on said film obtained in step a), wherein said deposition is carried out by the roll-to-roll technique starting from the film of step a) and from an aqueous solution or dispersion of said second polymer, and said second polymer is a conductive polymer, and drying of the so obtained film consisting of said temporary support, a layer of said first polymer, and a layer of said second polymer; andc) detaching of said temporary support from the film coming from step b) by dissolving said layer of a first polymer by immersion in a solvent and consequent release of a mono-layered free-standing film of said second conductive polymer, or by peeling off said layer of a first polymer from said temporary support and consequent release of a bi-layered free-standing film of said first polymer and said second conductive polymer.2. The process according to ...

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09-01-2020 дата публикации

POLYARYLENE ETHER SULFONE COMPRISING NAPHTHALIC ACID ANHYDRIDE ENDGROUPS

Номер: US20200010680A1
Принадлежит: BASF SE

A polyarylene ether sulfone comprising endgroups of formula (I), a process for its manufacture, a molding composition comprising the polyarylene ether sulfone, use of the molding composition and fiber, film or shaped article produced using the molding composition. 2: The polyarylene ether sulfone of claim 1 , comprising at least 15% of the endgroups.3: The polyarylene ether sulfone of claim 1 , comprising from 25% to 90% of the endgroups.8. (canceled)9: A molding composition comprising the polyarylene ether sulfone of .10: The molding composition of comprising(A) from 5 to 95% by weight of the polyarylene ether sulfone comprising endgroups of formula I,(B) from 5 to 95% by weight of a polyamide, andoptionally a further component,wherein total proportions of all components by weight is 100%, based on a thermoplastic molding composition.11: The molding composition of comprising(A) from 30 to 75% by weight of the polyarylene ether sulfone, and(B) from 25 to 70% by weight of the polyamide,12: The molding composition of claim 9 , comprising(B) polyamide PA 9T, PA 9T-co-8.1T, PA 6T6I, PA 6T66, PA 66T or a mixture thereof.13: The molding composition of claim 9 , further comprising(C) from 10 to 70% by weight of a polyarylene ether sulfone having no endgroups of formula I.14: The molding composition of claim 9 , further comprising(D) from 10 to 62.5% by weight of a fibrous or particulate filler.15. (canceled)16: A fiber claim 9 , film or shaped article comprising the molding composition of . The present invention relates to polyarylene ether sulfones having anhydride endgroups.Polyarylene ethers are classified as high-performance thermoplastics. Polyarylene ethers may have—depending on how they are produced—for instance hydroxy, halogen, amino, epoxy or anhydride endgroups. EP 840 758 A discloses polyarylene ethers with phthalic acid anhydride endgroups. These are obtained by reacting a hydroxy endgroup containing polyarylene ether with halogen substituted phthalic acid ...

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17-01-2019 дата публикации

COMPOSITE MATERIAL WITH THERMOPLASTIC TOUGHENED NOVOLAC-BASED EPOXY RESIN MATRIX

Номер: US20190016861A1
Принадлежит:

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component. 1. A pre-impregnated composite material comprising:A) reinforcing fibers comprising carbon fibers; and a) an epoxy resin component comprising from 17 to 27 weight percent of a hydrocarbon epoxy novolac resin, based on the total weight of said uncured resin matrix, and from 26 to 36 weight percent of triglycidyl meta-aminophenol based on the total weight of said uncured resin matrix;', 'b) 11 to 19 weight percent of a thermoplastic particle component based on the total weight of said uncured resin matrix, said thermoplastic particle component comprises a mixture of a first group of polyamide particles that do not comprise crosslinked polyamide and a second group of polyamide particles that comprise crosslinked polyamide;', 'c) 7 to 12 weight percent of a thermoplastic toughening agent, based on the total weight of said uncured resin matrix, said thermoplastic toughening agent comprising polyethersulfone; and', 'd) 17 to 27 weight percent of a. curing agent, based on the total weight of said uncured resin matrix, said curing agent comprising 4,4′-diaminodiphenyl sulphone and/or 3,3′-diaminodiphenyl sulphone., 'B) an uncured resin matrix comprising2. The pre-impregnated composite material according to wherein the weight ratio of said first group of polyamide particles to said second group of polyamide particles is from 4:1 to 1.5:1.3. The pre-impregnated composite material according to wherein the weight ratio of said first group of polyamide particles to said second group of polyamide particles is from 3.5:1 ...

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23-01-2020 дата публикации

CROSS-LINKED HIGH STABLE ANION EXCHANGE BLEND MEMBRANES WITH POLYETHYLENEGLYCOLS AS HYDROPHILIC MEMBRANE PHASE

Номер: US20200023348A1
Автор: Kerres Jochen
Принадлежит:

The invention relates to: —anion exchange blend membranes consisting the following blend components: —a halomethylated polymer (a polymer with —(CH)—CH—Hal groups, Hal=F, Cl, Br, I; x=0-12), which is quaternised with a tertiary or a n-alkylated/n-arylated imidazole, an N-alkylated/N-arylated benzimidazole or an N-alkylated/N-arylated pyrazol to form an anion exchanger polymer. —an inert matrix polymer in which the anion exchange polymer is embedded and which is optionally covalently crosslinked with the halomethylated precursor of the anion exchanger polymer, —a polyethyleneglycol with epoxide or halomethyl terminal groups which are anchored by reacting with N—H-groups of the base matrix polymer using convalent cross-linking —optionally an acidic polymer which forms with the anion-exchanger polymer an ionic cross-linking (negative bound ions of the acidic polymer forming ionic cross-linking positions relative to the positive cations of the anion-exchanger polymer) —optionally a sulphonated polymer (polymer with sulphate groups —SOMe, Me=any cation), which forms with the halomethyl groups of the halomethylated polymer convalent crosslinking bridges with sulfinate S-alkylation. The invention also relates to a method for producing said membranes, to the use of said membranes in electrochemical energy conversion processes (e.g. Redox-flow batteries and other flow batteries, PEM-electrolyses, membrane fuel cells), and in other membrane methods (e.g. electrodialysis, diffusion dialysis). 1. An anion exchange blend membrane , comprising:{'sub': 2', 'x', '2, 'a halomethylated polymer including functional groups (CH)—CHHal (Hal=F, Cl, Br, I; x being an integer between 0 and 12, inclusive) and one or more cationic function groups derived from a tertiary amine, an alkylated imidazole, an alkylated pyrazole, or an alkylated benzimidazole in a quaternization reaction;'}a basic or neutral non-fluorinated or partially fluorinated inert matrix polymer; anda polyethylene glycol with ...

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28-01-2021 дата публикации

Porous membrane and filter cartridge

Номер: US20210023510A1
Принадлежит: Fujifilm Corp

A porous membrane includes a polymer which includes one or more structural units selected from the group consisting of a structural unit represented by Formula (I) and a structural unit represented by Formula (II), in which a content of the structural unit represented by Formula (II) is 1% by mass or more and less than 10% by mass with respect to a total mass of the structural unit represented by Formula (I) and the structural unit represented by Formula (II)

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28-01-2021 дата публикации

PREPREG, LAMINATE BODY, FIBER-REINFORCED COMPOSITE MATERIAL, AND MANUFACTURING METHOD FOR FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20210024712A1
Принадлежит: Toray Industries, Inc.

A laminate body is provided which contains a thin prepreg having a component (A) containing a matrix of reinforcing fiber, a component (B) containing a thermosetting resin, and a component (C) containing particles of a thermoplastic resin. When molded and cured out of autoclave, the laminate body achieves a fiber-reinforced composite having a low void ratio and providing excellent mechanical performance. 1. A prepreg , comprised of a component (A) comprising a matrix of reinforcing fiber , a component (B) comprising a thermosetting resin , and a component (C) comprising a plurality of particles of a thermoplastic resin , wherein:i) the matrix of reinforcing fiber has a fiber areal weight of between about 10 gsm and about 100 gsm and is impregnated by component (B),ii) component (B) represents from about 36% to about 48% of the total weight of the prepreg; and{'sup': '2', 'iii) the prepreg, when laid up in multiple plies, provides a laminate body which before out of autoclave cure has an in-plane permeability which is lower than 3.0E-14 mand which after out of autoclave cure provides a fiber-reinforced composite material having a) an inter-laminar thickness and an intra-laminar thickness satisfying the ratio0.6<2X/Y<1.0, wherein X is the inter-laminar thickness and wherein Y is the intra-laminar thickness, and b) a void ratio of <1%.2. The prepreg according to claim 1 , wherein the plurality of particles of a thermoplastic resin has a particle size distribution as measured by a laser diffraction scattering method such that when a cumulative curve is determined with the total volume as 100% claim 1 , a particle diameter of the particles having a cumulative curve of 90% is between about 5 μm and about 20 μm.3. The prepreg according to claim 2 , wherein the particles of thermoplastic resin of component (C) are present in an amount of about 6 wt % to about 20 wt % based on the weight of the thermosetting resin.4. The prepreg according to claim 3 , wherein components (B) ...

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29-01-2015 дата публикации

COMPOSITE PARTICLES, COATING POWDER, COATING FILM, LAMINATE, AND METHOD FOR PRODUCING COMPOSITE PARTICLES

Номер: US20150030857A1
Принадлежит: DAIKIN INDUSTRIES, LTD.

An object of the present invention is to provide a particulate composite which is free from fluorosurfactants having a high environmental impact, and can form a coating film that has excellent adhesion to a substrate and is uniformly adhered to the substrate even if containing a small amount of an adhesive component. The particulate composite of the present invention contains: a fluoropolymer; an adhesive polymer; and less than 0.1 ppm of a fluorosurfactant. 1. A particulate composite comprising:a fluoropolymer;an adhesive polymer; andless than 0.1 ppm of a fluorosurfactant.2. The particulate composite according to claim 1 ,which is obtainable by bonding particles of the fluoropolymer and particles of the adhesive polymer.3. The particulate composite according to claim 1 ,which is obtainable by bonding particles of the fluoropolymer and particles of the adhesive polymer with a device configured to cause centrifugal diffusion and a vortex.4. The particulate composite according to claim 1 ,wherein the particles are floating in the water without making the water cloudy after the particles are dispersed in water and the resulting dispersion is left to stand for a sufficient amount of time.5. The particulate composite according towhich has an average particle size of 1 to 1000 μm.6. The particulate composite according to claim 1 ,which comprises the fluoropolymer and the adhesive polymer in a mass ratio of 50/50 to 99/1.7. The particulate composite according to claim 1 ,wherein the adhesive polymer is at least one compound selected from the group consisting of polyimide, polyamide-imide, polyamide, polyamic acid, epoxy resin, polysulfide, polyarylene sulfide, and polyether sulfone.8. The particulate composite according to claim 1 ,wherein the fluoropolymer is at least one fluororesin selected from the group consisting of a tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymer, a tetrafluoroethylene-hexafluoropropylene copolymer, and a tetrafluoroethylene-ethylene ...

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02-02-2017 дата публикации

FIBER-REINFORCED THERMOPLASTIC-RESIN MOLDING MATERIAL

Номер: US20170029580A1
Принадлежит:

A fiber reinforced thermoplastic resin molding material includes 5 to 45 parts by weight of carbon fibers; 1 to 45 parts by weight of organic fibers; 20 to 93 parts by weight of a thermoplastic resin; and 1 to 20 parts by weight of a compound having a melt viscosity lower than the thermoplastic resin based on 100 parts by weight of the total amount of the carbon fibers, the organic fibers, the thermoplastic resin, and the compound having a melt viscosity lower than the thermoplastic resin, wherein the thermoplastic resin is contained at an outer side of a composite obtained by impregnating a fiber bundle including the carbon and organic fibers with the compound; the carbon and organic fibers are unevenly distributed in a cross section of the fiber bundle; and the length of the fiber bundle and the fiber reinforced thermoplastic resin molding material are substantially the same. 1. A fiber reinforced thermoplastic resin molding material comprising:5 to 45 parts by weight of carbon fibers (A);1 to 45 parts by weight of organic fibers (B);20 to 93 parts by weight of a thermoplastic resin (C); and1 to 20 parts by weight of a compound (D) having a melt viscosity at 200° C. lower than that of the thermoplastic resin (C) based on 100 parts by weight of the total amount of the carbon fibers (A), the organic fibers (B), the thermoplastic resin (C), and the compound (D) having a melt viscosity at 200° C. lower than that of the thermoplastic resin (C),wherein the thermoplastic resin (C) is contained at an outer side of a composite (F) obtained by impregnating a fiber bundle (E) comprising the carbon fibers (A) and the organic fibers (B) with the compound (D); the carbon fibers (A) and the organic fibers (B) are unevenly distributed in a cross section of the fiber bundle (E); and the length of the fiber bundle (E) and the length of the fiber reinforced thermoplastic resin molding material are substantially the same.2. The fiber reinforced thermoplastic resin molding material ...

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02-02-2017 дата публикации

FIBER-REINFORCED THERMOPLASTIC-RESIN MOLDING MATERIAL AND METHOD OF MANUFACTURING FIBER-REINFORCED THERMOPLASTIC-RESIN MOLDING MATERIAL

Номер: US20170029581A1
Принадлежит:

A fiber reinforced thermoplastic resin molding material includes a carbon fiber reinforced thermoplastic resin molding material, comprising 5 to 45 parts by weight of carbon fibers, 94 to 35 parts by weight of a thermoplastic resin, and 1 to 20 parts by weight of a compound having a melt viscosity lower than the thermoplastic resin based on 100 parts by weight of the total amount of the carbon fibers, the thermoplastic resin, and the compound having a melt viscosity at 200° C. lower than that of the thermoplastic resin, wherein the thermoplastic resin is contained at an outer side of a composite obtained by impregnating the carbon fibers with the compound, and the length of the carbon fibers and the length of the carbon fiber reinforced thermoplastic resin molding material are substantially the same. 1. A fiber reinforced thermoplastic resin molding material comprising:a carbon fiber reinforced thermoplastic resin molding material (X), comprising 5 to 45 parts by weight of carbon fibers (A), 94 to 35 parts by weight of a thermoplastic resin (C), and 1 to 20 parts by weight of a compound (D) having a melt viscosity at 200° C. lower than that of the thermoplastic resin (C) based on 100 parts by weight of the total amount of the carbon fibers (A), the thermoplastic resin (C), and the compound (D) having a melt viscosity at 200° C. lower than that of the thermoplastic resin (C), wherein the thermoplastic resin (C) is contained at an outer side of a composite (F) obtained by impregnating the carbon fibers (A) with the compound (D), and the length of the carbon fibers (A) and the length of the carbon fiber reinforced thermoplastic resin molding material are substantially the same; andan organic fiber reinforced thermoplastic resin molding material (Y), comprising 1 to 45 parts by weight of organic fibers (B), 94 to 35 parts by weight of a thermoplastic resin (G), and 1 to 20 parts by weight of a compound (H) based on 100 parts by weight of the total amount of the organic ...

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01-02-2018 дата публикации

COMPOSITE MATERIALS

Номер: US20180029686A1
Принадлежит: CYTEC TECHNOLOGY CORP.

A composite material that includes a layer of reinforcing fibres impregnated with a curable resin matrix and a plurality of electrically conductive composite particles positioned adjacent or in proximity to the reinforcing fibres. Each of the electrically conductive composite particles is composed of a conductive component and a polymeric component, wherein the polymeric component includes one or more polymers that are initially in a solid phase and are substantially insoluble in the curable resin, but is able to undergo at least partial phase transition to a fluid phase during a curing cycle of the composite material. 1. A curable composite material comprising:i) at least one structural layer of reinforcing fibres impregnated with a curable resin matrix; and{'sub': 'g', 'ii) at least one electrically conductive composite particle adjacent or in proximity to said reinforcing fibres, said conductive composite particle comprising a conductive component and a polymeric component, wherein the polymeric component of the conductive composite particle comprises one or more thermoplastic polymers that are initially in a solid phase and substantially insoluble in the curable resin matrix prior to curing of the composite material, but is able to undergo at least partial phase transition to a fluid phase by dissolving in the resin matrix during a curing cycle of the composite material, and wherein the one or more thermoplastic polymers has/have a glass transition temperature (T) of greater than 200° C.'}2. The composite material of claim 1 , wherein said curable resin matrix is a thermoset composition in which at least 50% of the polymeric component of the conductive composite particle is soluble in the resin matrix during curing of the composite material claim 1 , and wherein the phase transition to the fluid phase occurs by dissolution of the polymeric component in the resin matrix.3. The composite material of claim 1 , wherein the conductive component of each electrically ...

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17-02-2022 дата публикации

POLYARYLENE ETHER SULFONE COMPRISING NAPHTHALIC ACID ANHYDRIDE ENDGROUPS

Номер: US20220049096A1
Принадлежит: BASF SE

A polyarylene ether sulfone contains endgroups of formula (I), 116-. (canceled)18: The molding composition according to claim 17 , comprising:from 30 to 75% by weight of the at least one polyarylene ether sulfone, andfrom 25 to 70% by weight of the at least one polyamide.19: The molding composition according to claim 17 , wherein the at least one polyamide is selected from the group consisting of PA 9T claim 17 , PA 9T-co-8.1T claim 17 , PA 6T6I claim 17 , PA 6T66 claim 17 , PA 66T claim 17 , and a mixture thereof.20: The molding composition according to claim 17 , wherein the at least one further component is at least one polyarylene ether sulfone having no endgroups of formula (I) claim 17 ,wherein the molding composition comprises 10 to 70% by weight of the at least one polyarylene ether sulfone having no endgroups of formula (I).21: The molding composition according to claim 17 , wherein the at least one further component is at least one fibrous or particulate filler claim 17 , andwherein the molding composition comprises 10 to 62.5% by weight of the at least one fibrous or particulate filler.22: A fiber claim 17 , film claim 17 , or shaped article claim 17 , comprising the molding composition according to .23: The molding composition according to claim 17 , wherein the at least one polyarylene ether sulfone comprises at least 15% of the endgroups of formula (I).24: The molding composition according to claim 17 , wherein the at least one polyarylene ether sulfone comprises from 25% to 90% of the endgroups of formula (I). The present invention relates to polyarylene ether sulfones having anhydride endgroups.Polyarylene ethers are classified as high-performance thermoplastics. Polyarylene ethers may have—depending on how they are produced—for instance hydroxy, halogen, amino, epoxy or anhydride endgroups. EP 840 758 A discloses polyarlyene ethers with phthalic acid anhydride endgroups. These are obtained by reacting a hydroxy endgroup containing polyarylene ether ...

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18-02-2021 дата публикации

Methods And Compositions For Adhering Polysulfides Or Polythioethers to Thermoplastic Or Thermoset Materials

Номер: US20210047488A1
Принадлежит:

Disclosed herein are methods and compositions for preparing a surface comprising thermoplastic or thermoset material to receive a polysulfide or polythioether sealant or coating, the method comprising applying to the surface an activating composition consisting of a tetraalkoxide of a Group 4 metal, a complex of an alkoxide of a Group 4 metal, or a combination thereof. 1. A method for preparing a surface comprising a thermoplastic material to receive a polysulfide or polythioether sealant , the method comprising applying to the surface an activating composition consisting of a tetraalkoxide of a Group 4 metal , a complex of an alkoxide of a Group 4 metal , or a combination thereof.2. A method for coating a surface comprising a thermoplastic material with a polysulfide or polythioether sealant , the method comprisingapplying to the surface an activating composition consisting of a tetraalkoxide of a Group 4 metal, a complex of an alkoxide of a Group 4 metal, or a combination thereof, andapplying a polysulfide or polythioether sealant to the surface carrying the activating composition.3. A method for adhering a polysulfide or polythioether sealant to a surface comprising a thermoplastic material , the method comprising applying to the surface an activating composition consisting of a tetraalkoxide of a Group 4 metal , a complex of an alkoxide of a Group 4 metal , or a combination thereof.4. A method according to claim 1 , wherein the applying activates the thermoplastic material to generate a layer of activated thermoplastic material.5. A method according to wherein the Group 4 metal is titanium or zirconium.6. A method according to claim 1 , wherein the tetraalkoxide of a Group 4 metal claim 1 , a complex of an alkoxide of a Group 4 metal claim 1 , or combination thereof is an alkyltitanate claim 1 , alkyltitanate complex claim 1 , alkylzirconate claim 1 , alkylzirconate complex claim 1 , or a combination thereof claim 1 , and the tetraalkoxide or complex is ...

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16-02-2017 дата публикации

FLAME-RETARDANT EXPANDABLE POLYMERS

Номер: US20170044342A1
Принадлежит:

The present relates to flame-retardant expandable polymers and to polymer foams and to the use thereof. These flame-retardant expandable polymers and polymer foams can be contained in one or several pressurized containers. According to the present, at least one of the following phosphorus compounds is used as a flame retardant: phosphorus compound according to formula (Ia): (Ia) 10-hydroxy-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-OH); or the salts thereof according to formula (Ib): (Ib) (DOPO-OR); or the ring-opened hydrolysates thereof according to formula (Ic): (ilc). 2. The expandable polymerizates according to claim 1 , characterized in that residue R is an organic or inorganic cation.34. The expandable polymerizates according to claim 1 , characterized in that residue R is a salt of a quaternary ammonium compound NR′ or a quaternary phosphonium compound PW′.7. The expandable polymerizates according to claim 1 , characterized in that the phosphorus compound(s) is/are contained at an amount of 0.5 to 25% by weight based on the total weight of the polymer.8. The expandable polymerizates according to claim 1 , characterized in that the expandable polymerizates are expandable styrene polymerizates (EPS) and/or expandable styrene polymer granulates (EPS) claim 1 , consisting of homo- and copolymers of styrene claim 1 , wherein the homo- and copolymers of styrene comprise at least one of: crystal-clear polystyrene (GPPS) claim 1 , high-impact polystyrene (HIPS) claim 1 , anionically polymerized polystyrene or high-impact polystyrene (A-IPS) claim 1 , styrene-alpha-methylstyrene copolymers claim 1 , acrylonitrile-butadiene-styrene polymerizates (ABS) claim 1 , styrene-acrylonitrile (SAN) claim 1 , acrylonitrile-styrene-acrylic ester (ASA) claim 1 , methylacrylate-butadiene-styrene (MBS) claim 1 , methylmethacrylate-acrylonitrile-butadiene-styrene (MABS) polymerizates claim 1 , or mixtures thereof or mixtures with poly(phenylene ether) (PPE) claim 1 , ...

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13-02-2020 дата публикации

SPIRAL-WOUND GAS SEPARATION MEMBRANE ELEMENT, GAS SEPARATION MEMBRANE MODULE, AND GAS SEPARATION APPARATUS

Номер: US20200047129A1
Принадлежит:

Provided are a spiral-wound gas separation membrane element, a manufacturing method therefor, a gas separation membrane module and a gas separation apparatus that include the element. The element includes a laminated body wound around a perforated central tube and including a separation membrane-flow channel member composite body. The composite body includes a gas separation membrane including a first porous layer and a hydrophilic resin composition layer. The gas separation membrane is folded with the first porous layer being located outside the hydrophilic resin composition layer. The composite body also includes a flow channel member that forms a gas flow channel, the flow channel member being sandwiched in the folded gas separation membrane. The flow channel member is provided with a first cover that covers one end portion of four end portions. The first cover is located closest to a turn-back part of the folded gas separation membrane. 1. A spiral-wound gas separation membrane element comprising a perforated central tube and a laminated body wound around the central tube , whereinthe laminated body includes a separation membrane-flow channel member composite body, a gas separation membrane, and', 'a flow channel member that forms a gas flow channel,, 'the separation membrane-flow channel member composite body includes'} a first porous layer, and', 'a hydrophilic resin composition layer,, 'the gas separation membrane includes'} has four end portions, and', 'is provided with a first cover that covers one end portion of the four end portions,, 'the flow channel member'}the gas separation membrane is folded with the first porous layer being located outside the hydrophilic resin composition layer,the flow channel member is sandwiched in the folded gas separation membrane, andthe first cover is located closest to a turn-back part of the folded gas separation membrane.2. The spiral-wound gas separation membrane element according to claim 1 , whereinthe first cover ...

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14-02-2019 дата публикации

ALIGNED DISCONTINUOUS FIBER PREFORMS, COMPOSITES AND SYSTEMS AND PROCESSES OF MANUFACTURE

Номер: US20190048500A1
Принадлежит: University of Delaware

A system and method for aligning discontinuous fibers, manufacturing tailored preforms, and composite materials comprised of highly aligned discontinuous fibers. 1. A system for aligning discontinuous fibers , comprising:a porous belt having a direction and velocity of travel;a free surface positioned above the porous belt and oriented at an oblique angle relative to the belt, the free surface having a proximal end adjacent the belt oriented along an impingement axis; anda conduit having a discharge configured to distribute onto the free surface a fluid mixture including the discontinuous fibers dispersed in a carrier fluid, the discharge positioned to cause the fluid mixture to traverse the free surface in a thin film with gravity assistance toward the proximal end of the free surface,the system configured to dispose the fibers aligned within a predetermined range of alignment with one another on the porous belt and the carrier fluid to pass through the belt.2. The system of further comprising a curved surface disposed at the proximal end of the free surface adjacent the porous belt.3. The system of claim 2 , wherein the curved surface is formed on a plate mounted to the free surface proximal end and is configured to dispose the fluid mixture onto the belt at a lateral or lesser oblique angle relative to the belt than the oblique angle of the free surface.4. The system of claim 1 , further comprising a roll of carrier substrate material positioned upstream of the free surface relative to the direction of travel of the belt claim 1 , wherein the belt is configured to receive as a feed from the roll an unrolled first web of the carrier substrate material and to carry the unrolled web beneath the free surface and further downstream of the free surface claim 1 , the carrier substrate material selected to receive the discontinuous fibers deposited thereon and to pass the carrier fluid there through.5. The system of claim 4 , wherein the carrier substrate material ...

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23-02-2017 дата публикации

Polyaniline-Based Chlorine Resistant Hydrophilic Filtration Membranes

Номер: US20170050153A1
Принадлежит:

In one aspect, the invention relates to chlorine-resistant filtration membranes comprising n-alkyl substituted polyaniline derivatives for use in, for example, water purification, and methods for making and using same. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. 2. The membrane of claim 1 , wherein the membrane further comprises a support structure.3. The membrane of claim 1 , wherein the membrane further comprises a second polymer selected from polysulfone claim 1 , sulfonated polysulfone claim 1 , polyethersulfone claim 1 , sulfonated polyethersulfone claim 1 , polyaniline claim 1 , polyaniline co-polymers claim 1 , polyacrylonitrile claim 1 , polyurethane claim 1 , cellulose acetate claim 1 , polyvinylidene fluoride claim 1 , polytetrafluoroethylene claim 1 , polyvinyl fluoride claim 1 , polyvinylidene fluoride claim 1 , polytrifluoroethylene claim 1 , polyperfluoroalkyl vinyl ether claim 1 , polyhexafluoropropylene claim 1 , cellulose acetate claim 1 , polyurethane claim 1 , cellulose acetate claim 1 , and polyurethane claim 1 , or a mixture thereof.4. The membrane of claim 1 , wherein the membrane further comprises polysulfone.5. The membrane of claim 1 , wherein the polymer is present in an amount from about 0.1 wt % to about 35 wt %.6. (canceled)7. (canceled)9. The polymer of claim 8 , wherein n is 2.10. The polymer of claim 8 , wherein each of R claim 8 , R claim 8 , R claim 8 , and Rare hydrogen.11. The polymer of claim 8 , wherein each of Rand Rare hydrogen.12. The polymer of claim 8 , wherein each of Rand Ris hydrogen claim 8 , and Ris —OR.13. The polymer of claim 8 , wherein each of R claim 8 , R claim 8 , R claim 8 , and R claim 8 , when present claim 8 , are hydrogen.14. The polymer of claim 8 , wherein each of Rand R claim 8 , when present claim 8 , are OR.15. The polymer of claim 8 , wherein R claim 8 , when present claim 8 , is hydrogen.17. ...

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23-03-2017 дата публикации

Polyetherimide Miscible Polymer Blends for Capacitor Films

Номер: US20170084393A1
Принадлежит:

A uniaxially-stretched, high yield extruded capacitor film comprising a miscible polymer blend comprising a polyetherimide and a poly(carbonate-arylate ester), wherein the polyetherimide comprises units derived from polymerization of an aromatic dianhydride with a diamine comprising a m-phenylenediamine, a p-phenylenediamine, or combinations thereof, wherein the polyetherimide is endcapped with a substituted or unsubstituted aromatic primary monoamine, wherein the poly(carbonate-arylate ester) comprises repeating bisphenol carbonate units and repeating arylate ester units, wherein the repeating bisphenol carbonate units and the repeating arylate ester units are different from each other, and wherein the high yield extruded capacitor film comprises equal to or greater than about 90 wt. % of the miscible polymer blend entering an extruder used for manufacturing the capacitor film, based on the total weight of miscible polymer blend prior to entering the extruder. 1. A uniaxially-stretched , high yield extruded capacitor film comprising a miscible polymer blend comprising a polyetherimide and a poly(carbonate-arylate ester); wherein the polyetherimide comprises units derived from polymerization of an aromatic dianhydride with a diamine comprising a m-phenylenediamine , a p-phenylenediamine , or combinations thereof; wherein the polyetherimide is endcapped with a substituted or unsubstituted aromatic primary monoamine; wherein the poly(carbonate-arylate ester) comprises repeating bisphenol carbonate units and repeating arylate ester units , wherein the repeating bisphenol carbonate units and the repeating arylate ester units are different from each other; and wherein the high yield extruded capacitor film comprises equal to or greater than about 90 wt. % of the miscible polymer blend entering an extruder used for manufacturing the capacitor film , based on the total. weight of miscible polymer blend prior to entering the extruder.2. The capacitor film of claim 1 , ...

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23-03-2017 дата публикации

Polyetherimide Compatible Polymer Blends for Capacitor Films

Номер: US20170084394A1
Принадлежит:

A uniaxially-stretched, high yield extruded capacitor film comprising a compatible polymer blend comprising a polyetherimide and a polyphenylene ether sulfone, wherein the polyetherimide comprises units derived from polymerization of an aromatic dianhydride with a diamine comprising a m-phenylenediamine, a p-phenylenediamine, or combinations thereof, wherein the polyetherimide is endcapped with a substituted or unsubstituted aromatic primary monoamine, wherein the polyphenylene ether sulfone comprises both an ether linkage and an aryl sulfone linkage in its backbone, wherein the compatible polymer blend comprises a dispersed phase having an average cross section of from equal to or greater than about 0.01 microns to about 20 microns, and wherein the high yield extruded capacitor film comprises equal to or greater than about 90 wt. % of the compatible polymer blend entering an extruder used for manufacturing the capacitor film, based on the total weight of the compatible polymer blend prior to entering the extruder. 1. A uniaxially-stretched , high yield extruded capacitor film comprising a compatible polymer blend comprising a polyetherimide and a polyphenylene ether sulfone; wherein the polyetherimide comprises units derived from polymerization of an aromatic dianhydride with a diamine comprising a m-phenylenediamine , a p-phenylenediamine , or combinations thereof; wherein the polyetherimide is endcapped with a substituted or unsubstituted aromatic primary monoamine; wherein the polyphenylene ether sulfone comprises both an ether linkage and an aryl sulfone linkage in its backbone; wherein the compatible polymer blend comprises a dispersed phase having an average cross section of from equal to or greater than about 0.01 microns to about 20 microns; and wherein the high yield extruded capacitor film comprises equal to or greater than about 90 wt. % of the compatible polymer blend entering an extruder used for manufacturing the capacitor film , based on the total ...

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12-04-2018 дата публикации

Semipreg with thermoplastic toughened novolac-based epoxy resin matrix

Номер: US20180100044A1
Принадлежит: Hexcel Corp

A semipreg that can be cured/molded to form aerospace composite parts including rocket booster casings. The semipreg includes a fibrous layer and a resin layer located on one side of the fibrous layer. The resin layer includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.

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21-04-2016 дата публикации

Composite Materials

Номер: US20160107739A1
Принадлежит: CYTEC TECHNOLOGY CORP.

A composite material that includes a layer of reinforcing fibres impregnated with a curable resin matrix and a plurality of electrically conductive composite particles positioned adjacent or in proximity to the reinforcing fibres. Each of the electrically conductive composite particles is composed of a conductive component and a polymeric component, wherein the polymeric component includes one or more polymers that are initially in a solid phase and are substantially insoluble in the curable resin, but is able to undergo at least partial phase transition to a fluid phase during a curing cycle of the composite material. 1. A curable composite material comprising:i) at least one structural layer of reinforcing fibres impregnated with a curable resin matrix; andii) at least one electrically conductive composite particle adjacent or in proximity to said reinforcing fibres, said conductive composite particle comprising a conductive component and a polymeric component, wherein the polymeric component of the conductive composite particle comprises one or more polymers that are initially in a solid phase and substantially insoluble in the curable resin matrix prior to curing of the composite material, but is able to undergo at least partial phase transition to a fluid phase by dissolving in the resin matrix during a curing cycle of the composite material.2. The composite material of claim 1 , wherein said curable resin matrix is a thermoset composition in which at least 50% of the polymeric component of the conductive composite particle is soluble in the resin matrix during curing of the composite material claim 1 , and wherein the phase transition to the fluid phase occurs by dissolution of the polymeric component in the resin matrix.3. The composite material of claim 1 , wherein the conductive component of each electrically conductive composite particle comprises one or more conductive materials having an electrical conductivity greater than 1×10S/M.4. The composite ...

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29-04-2021 дата публикации

Thermoplastic toughened matrix resins containing nanoparticles

Номер: US20210122891A1
Принадлежит: Hexcel Corp

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy resin component, polyethersulfone as a toughening agent, a thermoplastic particle component, a nanoparticle component and a curing agent.

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29-04-2021 дата публикации

PREPREG AND PRODUCTION METHOD THEREFOR, SLIT TAPE PREPREG, CARBON FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20210122892A1
Принадлежит: Toray Industries, Inc.

A prepreg having a high processability and laminating performance in an automated lay-up device and serving to produce a cured product having good physical properties is described, and also a method for the production thereof, the prepreg comprising at least the components [A] to [E] listed blow and having a structure incorporating a first layer composed mainly of the component [A] and a first epoxy resin composition that contains the components [B] to [D] but is substantially free of the component [E] and a second layer composed mainly of a second epoxy resin composition that contains the components [B] to [E] and disposed adjacent to each surface of the first layer: 3. A prepreg as set forth in claim 2 , wherein the component [B1] accounts for 10 to 50 parts by mass and the component [B2] accounts for 20 to 80 parts by mass relative to the total quantity of epoxy resin in the first epoxy resin composition and second epoxy resin composition claim 2 , which accounts for 100 parts by mass.4. A prepreg as set forth in either claim 2 , wherein a carbon fiber reinforced composite material produced by curing the prepreg at 180° C. for 2 hours has a glass transition temperature of 160° C. or more as determined by dynamic mechanical analysis (DMA) after immersion in boiling water for 48 hours at 1 atm.5. A prepreg as set forth in claim 1 , wherein the component [B] is an epoxy resin containing components [B3] and [B4] as specified below:[B3] epoxy resin containing one or more ring structures having at least four members and at the same time containing at least one glycidyl amine group or glycidyl ether group directly connected to a ring structure, and[B4] an epoxy resin with at least tri-functionality.7. A prepreg as set forth in claim 6 , wherein n=0 and m=0 in the general formula (A-5).8. A prepreg as set forth in claim 5 , wherein the component [B3] accounts for 5 to 60 parts by mass and the component [B4] accounts for 40 to 80 parts by mass relative to the total ...

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27-04-2017 дата публикации

Combined material system for ion exchange membranes and their use in electrochemical processes

Номер: US20170114196A1
Принадлежит: Individual

Described is a method for producing covalently and/or ionically cross-linked blend membranes from a halomethylated polymer, a polymer comprising tertiary N-basic groups, preferably polybenzimidazole, and, optionally, a polymer comprising cation exchanger groups such as sulfonic acid groups or phosphonic acid groups. The membranes can be tailor-made in respect of the properties thereof and are suitable, for example, for use as cation exchanger membranes or anion exchanger membranes in low-temperature fuel cells or low-temperature electrolysis or in redox flow batteries, or—when doped with proton conductors such as phosphoric acid or phosphonic acid—for use in medium-temperature fuel cells or medium-temperature electrolysis.

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07-05-2015 дата публикации

POLYARYLENE SULFIDE RESIN COMPOSITION, MANUFACTURING METHOD OF RESIN COMPOSITION AND MOLDED PRODUCT OF RESIN COMPOSITION

Номер: US20150126668A1
Принадлежит:

A reactive functional group-containing polyarylene sulfide resin composition having a narrow polydispersity and a low gas generation amount is manufactured by mixing a polyarylene sulfide resin (a) and a polyarylene sulfide resin (b), wherein the polyarylene sulfide (a) has a weight reduction ratio ΔWr of not higher than 0.18% under heating and an increase rate of melt viscosity of less than 1.05 times by addition of a reactive compound (c) having a reactive group relative to melt viscosity prior to addition of the reactive compound (c), and the polyarylene sulfide (b) has the weight reduction ratio ΔWr of not higher than 0.18% under heating and the increase rate of melt viscosity of not less than 1.05 times by addition of the reactive compound (c) having the reactive group relative to melt viscosity prior to addition of the reactive compound (c). 112.-. (canceled)14. The polyarylene sulfide resin composition according to claim 13 , the polyarylene sulfide resin composition having the increase rate of melt viscosity by addition of the reactive compound (c) of not less than 1.05 times.15. The polyarylene sulfide resin composition according to claim 13 , the polyarylene sulfide resin composition having the weight reduction ratio expressed by the Equation (1) of not higher than 0.18%.16. The polyarylene sulfide resin composition according to claim 13 , wherein each of the polyarylene sulfide (a) and the polyarylene sulfide (b) has a polydispersity expressed by weight average molecular weight/number average molecular weight of not higher than 2.5.19. The polyarylene sulfide resin composition according to claim 17 , wherein the prepolymer (d) is a polyarylene sulfide prepolymer including at least not lower than 50% by weight of the cyclic polyarylene sulfide expressed by the General Formula (A) and having a weight average molecular weight of less than 10 claim 17 ,000.20. The polyarylene sulfide resin composition according to claim 13 , wherein the polyarylene sulfide (b ...

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21-05-2015 дата публикации

Benzoxazine resin composition, prepreg, and fiber-reinforced composite material

Номер: US20150141583A1
Принадлежит: Toray Composites America Inc

The embodiments herein relate to a benzoxazine resin composition, a prepreg, and a carbon fiber-reinforced composite material. More specifically, the embodiments herein relate to a benzoxazine resin composition that provides a carbon fiber-reinforced composite material that is suitable for use as a manufacture material due to its superior mechanical strength in extreme use environments, such as high temperature and high moisture, as well as a prepreg, and a carbon fiber-reinforced composite material. An embodiment comprises a benzoxazine resin composition having a multifunctional benzoxazine resin; a multifunctional epoxy resin that is a liquid at 40° C. and has three or more glycidyl groups; a sulfonate ester; and optionally at least one thermoplastic resin. The resin may include an interpenetrating network structure after curing.

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17-05-2018 дата публикации

Electrical insulation systems and insulated components for electrical machine

Номер: US20180138772A1
Принадлежит: General Electric Co

An electrical insulating system and an associated insulated stator bar are provided. The electrical insulating system includes an electrically insulating mica paper and a fiber glass disposed on a first surface of the electrically insulating mica paper. The electrically insulating mica paper and the fiber glass are impregnated with a curable binder resin composition. The curable binder resin composition includes about 21 weight percent to about 73 weight percent of a solid or semi-solid epoxy resin having an epoxide functionality of about 2.5, about 0.8 weight percent to about 49 weight percent of a liquid epoxy resin having an epoxide functionality of about 2, about 4 weight percent to about 15 weight percent of a bisphenol A-formaldehyde novolac, a metal acetylacetonate catalyst, and about 2.5 weight percent to about 15 weight percent of a toughener selected from the group consisting of polyethersulfone, methylmethacrylate butadiene styrene, and a combination thereof.

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24-05-2018 дата публикации

METHOD TO MANUFACTURE POLYMER COMPOSITE MATERIALS WITH NANO-FILLERS FOR USE IN ADDITIVE MANUFACTURING TO IMPROVE MATERIAL PROPERTIES

Номер: US20180142070A1
Автор: Bheda Hemant, Reese Riley
Принадлежит:

Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication. 120.-. (canceled)21. A method for producing a printing material for use in additive manufacturing , comprising:combining one or more fibers with a polymer mixture to produce said printing material,wherein said polymer mixture comprises a first polymer and a second polymer, wherein said first polymer and said second polymer are differently selected from the group consisting of a thermosetting polymer, polyaryletherketone (PAEK), polyethertherketone (PEEK), polyetherketoneketone (PEKK), polyethylene (PE), polyetherimide (PEI), polyethersulfone (PES), polysulfone (PSU), polyphenylsulfone (PPSU), polyphenylene oxides (PPOs), acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), polyglycolic acid (PGA), polyamide-imide (PAI), polystyrene (PS), polyamide (PA), polybutylene terephthalate (PBT), poly(p-phenylene sulfide) (PPS), polyethersulfone (PESU), polyphenylene ether, polycarbonate (PC).22. The method of claim 21 , further comprising extruding said one or more fibers and said ...

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25-05-2017 дата публикации

NANOPOROUS POLYMER MEMBRANES AND METHODS OF PRODUCTION

Номер: US20170144112A1
Автор: WANG Huanting, Wang Kun
Принадлежит: MONASH UNIVERSITY

An ultrafiltration membrane comprising: (i) a first polymer, and (ii) a second, charged polymer wherein the first polymer and second polymer have different hydrophobicities. 2. The ultrafiltration membrane according to having a charge density gradient.3. The ultrafiltration membrane according to having a hydrophilicity gradient.4. The ultrafiltration membrane according to wherein the first polymer is chosen from the group comprising polysulphone claim 1 , polyethersulphone claim 1 , polyacrylonitrile claim 1 , cellulose acetate or poly(vinylidene fluoride).5. The ultrafiltration membrane according to wherein the second polymer is chosen from quaternary phosphonium polymers.6. The ultrafiltration membrane according to wherein the second polymer is chosen from the group comprising diphenyl(3-methyl-4-methoxyphenyl) tertiary sulphonium functionalized polysulphone claim 1 , tris(2 claim 1 ,4 claim 1 ,6-trimethoxyphenyl) quaternary phosphonium-substituted bromomethylated poly(phenylene oxide) claim 1 , sulphonated poly(2 claim 1 ,6-dimethyl-1 claim 1 ,4-phenylene oxide) and tris(2 claim 1 ,4 claim 1 ,6-trimethoxyphenyl)polysulphone-methylene quaternary phosphonium chloride.7. The ultrafiltration membrane according to having a water permeability between 0.46 and 20.00 L/mh kPa claim 1 , more preferably between 10.00 and 16.00 L/mh kPa8. The ultrafiltration membrane according to having water flux of between 25 and 2000 Lmhat a testing pressure of 100 kPa claim 1 , preferably between 1 claim 1 ,000 and 1 claim 1 ,500 Lmhat a testing pressure of 100 kPa.9. An ultrafiltration membrane according to .10. A method of preparing the ultrafiltration membrane of including the step of combining the first polymer with the second charged polymer.11. The method according to including the step of phase inversion.12. The method according to wherein the first polymer is combined with the second polymer and a solvent to form a solution claim 10 , wherein the total polymer concentration in ...

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25-06-2015 дата публикации

PIGMENTED COATING COMPOSITION WITH A PHOSPHORUS ACID FUNCTIONALIZED BINDER

Номер: US20150175832A1
Принадлежит:

The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles functionalized with structural units of a phosphorus acid monomer or a salt thereof and; b) a water-soluble polymer functionalized with structural units of a sulfonic acid monomer or a salt thereof as well as a method comprising mixing the stable aqueous dispersion of the phosphorus acid functionalized polymer particles with the sulfonic acid functionalized polymer, and TiO. The composition of the present invention is useful as a coatings formulation that provides improved hiding over phosphorus acid functionalized binders that do not include the water-soluble polymer. Alternatively, the same hiding benefit is seen at lower phosphorus acid concentration when the sulfonic acid functionalized polymer is present. 1. A process for preparing a coatings composition comprising the steps of contacting: a) an aqueous solution of a water-soluble polymer functionalized with structural units of a sulfonic acid monomer or a salt thereof; b) a stable aqueous dispersion of polymer particles functionalized with structural units of a phosphorus acid monomer or a salt thereof; and c) TiO;wherein the weight percent of the sulfonic acid functionalized polymer is from 0.1 to 10 percent, based on the weights of the sulfonic acid functionalized and the a phosphorus acid functionalized polymer particles;{'sub': '2', 'wherein the weight percent of the a phosphorus acid functionalized polymer particles is from 20 to 80%, based on the weight of the sulfonic acid functionalized and the a phosphorus acid functionalized polymer particles, and the TiO;'}{'sub': 2', '2, 'wherein the weight percent of the TiOis from 20 to 80% based on the weight of the sulfonic acid functionalized polymer, the a phosphorus acid functionalized polymer particles, and the TiO; and'}wherein the weight percent of structural units of the phosphorus acid monomer or a salt thereof is from 0.1 to 5 weight percent, based on ...

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08-07-2021 дата публикации

Tape Prepreg, Tape Prepreg Disposition Method, Fiber-Reinforcement Composite Material, Fiber-Reinforcement Composite Material Manufacturing Method

Номер: US20210206929A1
Автор: Atsushi Nohara
Принадлежит: Mitsubishi Chemical Corp

A tape prepreg formed by impregnating, with resin, a reinforcing fiber bundle in which reinforcing fibers are aligned in one direction, in which a cross-section of the tape prepreg bundle perpendicular to an orientation direction has a portion in which a thickness continuously increases from one end portion and the other end portion in a width direction toward the center in the width direction, and all angles formed by any one boundary line in a thickness direction of the perpendicular cross-section and a boundary line in the width direction are acute angles.

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18-06-2020 дата публикации

THERMOSETTING RESIN COMPOSITION FOR SEMICONDUCTOR PACKAGE AND PREPREG USING THE SAME

Номер: US20200190313A1
Принадлежит:

A thermosetting resin composition having improved flowability and stiffness, and a prepreg using the same. Specifically, three kinds of fillers having different average particle diameters are combined with a binder resin system including an epoxy resin, a bismaleimide resin, a diaminodiphenylsulfone resin, and a benzoxazine resin. 1. A thermosetting resin composition , including:100 parts by weight of a binder resin including an epoxy resin, a bismaleimide resin, a diaminodiphenylsulfone resin, and a benzaxazine resin; and350 parts by weight or more of a filler composed of at least three kinds of fillers having different average particle diameters,wherein the filler comprises a first filler having an average particle diameter of 0.7 μm to 1 μm, a second filler having an average particle diameter of 90 nm to 0.3 μm, and a third tiller having an average particle diameter of 10 nm to 50 nm,andwherein the first filler is present in an amount of 250 parts by weight or more, relative to100 parts by weight of the hinder resin in the thermosetting resin composition.2. The thermosetting resin composition according to claim 1 , wherein the binder comprises 5 to 20% by weight diaminodiphenylsulfone resin claim 1 , based on the total weight of the binder.3. The thermosetting resin composition according to claim 1 , wherein the three kinds of fillers include 350 to 55 parts by weight claim 1 , relative to 100 parts by weight of the hinder resin on the thermosetting resin composition.4. The thermosetting resin composition according to claim 1 , wherein the three kinds of fillers include claim 1 , relative to 100 parts by weight of the binder resin in the thermosetting resin composition.250 to 400 parts by weight of the first filler having an average particle diameter of 0.7 μm to 1 μm,30 to 90 parts by weight of the second filler having an average particle diameter of 90 nm to 0.3 μm, and35 to 60 parts by weight of the third filler having an average particle diameter of 10 nm to ...

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19-07-2018 дата публикации

COMPOSITIONS FOR USE IN FUSED FILAMENT 3D FABRICATION AND METHOD FOR MANUFACTURING SAME

Номер: US20180201737A1
Автор: Bheda Hemant, Patel Kunal
Принадлежит: Arevo, Inc.

A method for forming a blended material for use as a deposition material in a fused filament fabrication (FFF) printer is provided. A semi-crystalline material and an amorphous material are physically mixed at an appropriate ratio. The mixed material is then heated to a temperature that is above the melting point of the semi-crystalline material and above the glass transition temperature of the amorphous material to form a blended material. The blended material is then extruded through an extruder die for use in the FFF printer. 1. A method for forming a blended material for use as a deposition material in an additive manufacturing system , the method comprising:providing a first amount of a semi-crystalline material and a second amount of an amorphous material;physically mixing the first amount of the semi-crystalline polyaryletherketone material and the second amount of the amorphous material which includes a polyarylsulfone, wherein the weight ratio of the first amount to the second amount is between 60:40 and 80:20, inclusive;melt blending using a screw extruder the mixed material at a temperature that is above the melting point of the semi-crystalline material and above the glass transition temperature of the amorphous material to form a blended material; andextruding the blended material into a strand through an extruder die.2. The method of wherein the screw extruder is a twin-screw extruder. This application claims the benefit of U.S. Provisional Application Ser. No. 61/951,720, filed Mar. 12, 2014, entitled “COMPOSITIONS AND METHODS FOR USE IN FUSED FILAMENT FABRICATION PROCESSES”, which is incorporated herein by reference, and is a continuation of U.S. application Ser. No. 14/297,185, filed on Jun. 5, 2014, entitled COMPOSITIONS FOR USE IN FUSED FILAMENT 3D FABRICATION AND METHOD FOR MANUFACTURING SAME.This invention pertains to 3D printing and in particular, materials for use in fused filament fabrication.Fused filament fabrication (“FFF”), also known as ...

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19-07-2018 дата публикации

SOLVENT COMPOSITION COMPRISING A MIXTURE OF A MOLECULE HAVING A SULPHOXIDE FUNCTION AND A MOLECULE HAVING AN AMIDE FUNCTION

Номер: US20180201784A1
Принадлежит: Arkema France

The invention relates to a solvent composition containing a mixture of at least one molecule having at least one sulphoxide function and at least one molecule having at least one amide function wherein the nitrogen atom supports a hydrogen atom. The invention also relates to the use of the solvent composition in order to stabilise polymer solutions. The invention also relates to a polymer solution containing the solvent composition and to a filtering membrane and an artificial leather obtained from the polymer solution. 1. A solvent composition comprising a mixture of at least one molecule having at least one sulfoxide functional group and of at least one molecule having at least one amide functional group where the nitrogen atom carries a hydrogen atom (—NH—C(O)—) , wherein said solvent composition comprises less than 1% by weight of polyethersulfones.2. The solvent composition according to claim 1 , wherein the molecule having the amide functional group is cyclic.3. The solvent composition according to claim 1 , wherein the molecule having a sulfoxide functional group is dimethyl sulfoxide.4. The solvent composition according to claim 1 , wherein the molecule having an amide functional group is 2-pyrrolidone.5. The solvent composition according to claim 1 , comprising dimethyl sulfoxide and 2-pyrrolidone.6. The solvent composition according to claim 1 , comprising:from 21% to 75% by weight of the molecule having a sulfoxide functional group,from 25% to 80% by weight of the molecule carrying an amide functional group where the nitrogen atom carries a hydrogen atom,with respect to the total weight of the solvent composition.7. A method for improving the stability of solutions of polymers comprising sulfone or urethane functional groups claim 1 , wherein the method comprises a step of combining the solvent composition according to with polymer comprising sulfone functional groups or urethane functional groups.8. The method according to claim 7 , wherein the polymer ...

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03-08-2017 дата публикации

FILM ADHESIVE

Номер: US20170218237A1
Принадлежит:

Curable compositions are provided which comprise: a) 30-80 wt % of a room temperature liquid epoxy resin; b) 0.5-10 wt % of an epoxy curative; c) 5-40 wt % of a thermoplastic resin; and d) 0.5-10 wt % of a physical blowing agent. In some embodiments, the curable compositions may be fire retardant. In some embodiments, the curable compositions may be used in the form of films, and more particularly as core splice film adhesives. 1. A curable composition comprising:a) 30-80 wt % of a room temperature liquid epoxy resin;b) 0.5-10 wt % of an epoxy curative;c) 5-40 wt % of a thermoplastic resin; andd) 0.5-10 wt % of a physical blowing agent.2. The curable composition according to containing no epoxy resin other than room temperature liquid epoxy resin.3. The curable composition according to containing an epoxy/reactive diluent room temperature liquid epoxy resin.4. The curable composition according to containing a mixture of a neat room temperature liquid epoxy resin and an epoxy/reactive diluent room temperature liquid epoxy resin.5. The curable composition according to containing 40-60 wt % of the room temperature liquid epoxy resin.6. The curable composition according to wherein the thermoplastic resin has a softening point of between 60° C. and 150° C. claim 1 , as measured by DIN EN ISO 306 method A50.7. The curable composition according to wherein the thermoplastic resin is a polymer comprising phenylene oxide (-Ph-O—) units in its polymer backbone.8. The curable composition according to wherein the thermoplastic resin is a copolymer of bisphenol a and epichlorhydrin.9. The curable composition according to wherein the thermoplastic resin is a polyethersulfone.10. The curable composition according to containing 16-25 wt % of the thermoplastic resin.11. The curable composition according to additionally comprising 10-20 wt % flame retardants.12. The curable composition according to additionally comprising greater than 5 wt % of an intumescent graphite flame retardant ...

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19-08-2021 дата публикации

EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20210253843A1
Принадлежит: Toray Industries, Inc.

The purpose of the present invention is to provide: an epoxy resin composition capable of giving cured resins which combine flexural modulus with flexural strain on a high level and have excellent heat resistance; a prepreg comprising the epoxy resin composition and reinforcing fibers; and a fiber-reinforced composite material obtained by curing the prepreg and excellent especially in terms of 0° and 90° bending strength. An embodiment of the epoxy resin composition of the present invention for achieving such purpose is an epoxy resin composition which comprises the following components [A], [B], and [C] and satisfies a specific requirement. Component [A]: a trifunctional amine type epoxy resin. Component [B]: a bisphenol F type epoxy resin which is solid at 25° C. Component [C]: an aromatic amine compound. 1. An epoxy resin composition comprising:a component [A] being a trifunctional amine type epoxy resin;a component [B] being a bisphenol F type epoxy resin being solid at 25° C.; anda component [C] being an aromatic amine compound,wherein all of a condition 1, a condition 2, and a condition 3 described below are satisfied,the condition 1 being that a resin cured product produced by reacting the epoxy resin composition at 180° C. for 120 minutes has a flexural modulus of 4.4 GPa or more,the condition 2 being that the resin cured product produced by reacting the epoxy resin composition at 180° C. for 120 minutes has a bending strength of 190 MPa or more, and {'br': None, 'i': 'Eb/Ea≤', '6≤10\u2003\u2003(1).'}, 'the condition 3 being that an average epoxy equivalent of the component [A] (Ea) and an average epoxy equivalent of the component [B] (Eb) satisfy Formula (1) described below2. An epoxy resin composition comprising:a component [A] being a trifunctional amine type epoxy resin;a component [B] being a bisphenol F type epoxy resin being solid at 25° C.; anda component [C] being an aromatic amine compound,wherein all of a condition 4, a condition 5, and a ...

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01-08-2019 дата публикации

Laminate film, electronic device member, and electronic device

Номер: US20190232611A1
Принадлежит: Lintec Corp

The present invention provides a laminate film comprising at least a base and a gas barrier layer, elongation strain (ε) generated in a surface of the gas barrier layer, which is calculated by a following formula (1), is 0.8% or less; an electronic device member including the laminate film; and an electronic device equipped with the electronic device member. In formula (1), T is a distance [m] from a surface farthest from the gas barrier layer to the gas barrier layer in a thickness direction of the laminate film, and λ is a distance, from the surface of the laminate film, of a hypothetical plane (α) in the laminate film in which stress does not occur. According to the present invention, there are provided a laminate film excellent in gas barrier properties and bending properties, an electronic device member including this laminate film, and an electronic device equipped with this electronic device member. ε=( T −×)/{(3×10 −3 )+λ}×100  (1)

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01-08-2019 дата публикации

PREPREG FOR USE IN MAKING COMPOSITE PARTS WHICH TOLERATE HOT AND WET CONDITIONS

Номер: US20190233601A1
Принадлежит:

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts that are designed to tolerate hot and wet conditions. The prepreg includes fibers and an uncured resin. The uncured resin includes an epoxy component that is a combination of a trifunctional epoxy resin, a tetrafunctional epoxy resin and a solid epoxy resin. The resin further includes polyethersulfone as a toughening agent and a curing agent. 1. A prepreg that is curable to form a composite material that has an open hole compression of at least 37 at a temperature of 132° C. under wet conditions , said prepreg comprising:A) fibers; and [ 1) 22 to 26 weight percent triglycidyl aminophenol epoxy resin, based on the total weight of said uncured resin;', '2) 22 to 26 weight percent tetrafunctional epoxy resin, based on the total weight of said uncured resin;', '3) 4 to 8 weight percent solid epoxy resin, based on the total weight of said uncured resin, 'a) an epoxy resin component comprising, 'b) 15 to 19 weight percent polyethersulfone, based on the total weight of said uncured resin; and', 'c) a sufficient amount of a curing agent to provide curing of said uncured resin to form said composite material., 'B) an uncured resin having a sub glass transition temperature of 0° C. to 5° C., said uncured resin comprising2. A prepreg according to wherein said tetrafunctional epoxy resin is N claim 1 ,N claim 1 ,N′ claim 1 ,N′-tetraglycidyl-4 claim 1 ,4′-diaminodiphenyl methane.3. A prepreg according to wherein said triglycidyl aminophenol epoxy resin is triglycidyl meta-aminophenol epoxy resin.4. A prepreg according to wherein said triglycidyl aminophenol epoxy resin is triglycidyl meta-aminophenol epoxy resin.7. A prepreg according to wherein the weight ratio of said triglycidyl aminophenol epoxy resin to said tetrafunctional epoxy resin is 1:1.8. A prepreg according to wherein said curing agent is an aromatic amine.9. A prepreg according to wherein said aromatic amine is 3 ...

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23-09-2021 дата публикации

METHOD FOR MANUFACTURING A THREE-DIMENSIONAL OBJECT FROM A POLY(ARYLENE SULFIDE) POLYMER

Номер: US20210292481A1
Принадлежит:

The invention pertains to a powdered material (M) comprising at least one poly(arylene sulfide) polymer, in particular to a method for manufacturing a three-dimensional (3D) object, using the powdered material (M) and to 3D object obtainable by selective sintering from this powdered polymer material (M). 115-. (canceled)16. A powdered material (M) for laser sintering , comprising a polymeric component (P) comprising at least one poly(arylene sulfide) polymer (PAS) , having a melt flow rate MFR (at 316° C. under a weight of 5 kg according to ASTM D1238 , procedure B) of less than 160 g/10 min.17. The material (M) of claim 16 , having an average flow time such that its passage time in a 17 mm funnel is less than 35 s.18. The material (M) of claim 17 , having an average number of taps to flow of less than 30 taps.19. The material (M) of claim 16 , wherein the powdered material (M) has a d-value ranging from 40 and 80 μm claim 16 , as measured by laser scattering in isopropanol.20. The material (M) of claim 16 , wherein the PAS polymer is selected from the group consisting of poly(2 claim 16 ,4-toluene sulfide) claim 16 , poly(4 claim 16 ,4′-biphenylene sulfide) claim 16 , poly(para-phenylene sulfide) (PPS) claim 16 , poly(ortho-phenylene sulfide) claim 16 , poly(meta-phenylene sulfide) claim 16 , poly(xylene sulfide) claim 16 , poly(ethylisopropylphenylene sulfide) claim 16 , poly(tetramethylphenylene sulfide) claim 16 , poly(butylcyclohexylphenylene sulfide) claim 16 , poly(hexyldodecylphenylene sulfide) claim 16 , poly(octadecylphenylene sulfide) claim 16 , poly(phenylphenylene sulfide) claim 16 , poly-(tolylphenylene sulfide) claim 16 , poly(benzylphenylene sulfide) claim 16 , poly[octyl-4-(3-methylcyclopentyl)phenylene sulfide] claim 16 , or a combination thereof.23. The material (M) of claim 16 , further comprising at least one additive (A) selected from the group consisting of fillers claim 16 , colorants claim 16 , dyes claim 16 , pigments claim 16 , lubricants ...

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23-09-2021 дата публикации

FIBER-REINFORCED RESIN BASE MATERIAL

Номер: US20210292491A1
Принадлежит:

A fiber reinforced resin base material is formed by impregnating a continuous reinforcing fiber(s) or a reinforcing fiber material having a discontinuous fiber(s) dispersed therein with a resin composition which exhibits a single glass-transition temperature before and after being heated at 400° C. for one hour, wherein the resin composition is composed of (A) a thermoplastic resin having a glass-transition temperature of 100° C. or more and (B) a thermoplastic resin having a glass-transition temperature of less than 100° C. 16.-. (canceled)7. A fiber reinforced resin base material formed by impregnating a continuous reinforcing fiber(s) or a reinforcing fiber material having a discontinuous fiber(s) dispersed therein with a resin composition that exhibits a single glass-transition temperature before and after being heated at 400° C. for one hour ,wherein said resin composition is composed of a thermoplastic resin (A) having a glass-transition temperature of 100° C. or more and a thermoplastic resin (B) having a glass-transition temperature of less than 100° C.8. The fiber reinforced resin base material according to claim 7 , wherein said single glass-transition temperature is 110° C. or more.9. The fiber reinforced resin base material according to claim 7 , comprising 1 part by weight or more and less than 67 parts by weight of said thermoplastic resin (B) having a glass-transition temperature of less than 100° C. with respect to 100 parts by weight of said thermoplastic resin (A) having a glass-transition temperature of 100° C. or more.10. The fiber reinforced resin base material according claim 7 , wherein said thermoplastic resin (B) having a glass-transition temperature of less than 100° C. is a polyarylene sulfide prepolymer.11. The fiber reinforced resin base material according to claim 10 , wherein said polyarylene sulfide prepolymer is composed of a mixture of a cyclic polyarylene sulfide having a weight average molecular weight of 5 claim 10 ,000 or less ...

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23-09-2021 дата публикации

ACTIVATING SURFACES FOR SUBSEQUENT BONDING

Номер: US20210292603A1
Принадлежит:

A method of activating a surface of a plastics substrate formed from: 1. A method of activating a surface of a plastics substrate formed from:(a) polyaryletherketone such as polyether ether ketone (PEEK) polyether ketone ketone (PEKK), polyether ketone (PEK); polyether ether ketone ketone (PEEKK); or polyether ketone ether ketone ketone (PEKEKK);(b) a polymer containing a phenyl group directly attached to a carbonyl group, for example polybutadiene terephthalate (PBT) optionally wherein the carbonyl group is part of an amide group, such as polyarylamide (PARA);(c) polyphenylene sulfide (PPS); or(d) polyetherimide (PEI);for subsequent bonding,the method comprising the step of exposing the surface to actinic radiation wherein the actinic radiation:includes radiation with wavelength in the range from about 10 nm to about 1000 nm;{'sup': 2', '2, 'the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cmto about 300 J/cm.'}2. A method of activating a surface according to wherein the actinic radiation includes radiation with wavelength in the range from about 200 nm to about 700 nm.3. A method according to wherein the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cmto about 240 J/cm claim 1 , for example from about 1.5 J/cmto about 240 J/cm.4. A method according to wherein the exposing of the surface to actinic radiation is applied selectively to create areas of the surface that are activated for subsequent bonding and areas of the surface that are not activated for subsequent bonding.5. A method according to wherein a mask is used which has areas which transmit actinic radiation to create areas of the surface that are activated for subsequent bonding areas and areas which block actinic radiation to create areas of the surface that are not activated for subsequent bonding.6. A method according to wherein the duration of the exposure is from about 0.1 seconds to about 360 ...

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30-07-2020 дата публикации

ALIGNED DISCONTINUOUS FIBER PREFORMS, COMPOSITES AND SYSTEMS AND PROCESSES OF MANUFACTURE

Номер: US20200240060A1
Принадлежит: University of Delaware

A process for aligning discontinuous fibers, and composite products and mats comprised of highly aligned discontinuous fibers, including products of the process. Aligned discontinuous fiber composite products include a matrix of fibers, each fiber having a longitudinal fiber axis, the composite comprising a free, uncut edge extending along an edge axis. The longitudinal fiber axis of a majority of the fibers in the composite product are aligned within a predetermined alignment tolerance of an alignment axis non-parallel to the edge axis. Aligned discontinuous fiber mats may have a first areal density of fibers in a first region of the composite located inward relative to the free, uncut edge, and a second area density at or adjacent to the free, uncut edge. 1. A process for aligning discontinuous fibers , comprising:distributing a first fluid mixture including a first plurality of discontinuous fibers dispersed in a first carrier fluid onto a first free surface to cause the fluid mixture to traverse the free surface in a thin film with the assistance of gravity toward a porous belt positioned beneath the free surface, wherein an entirety of the free surface is positioned at an elevation above the porous belt;moving the porous belt in a travel direction; anddepositing the fluid mixture onto the porous belt from the free surface and causing the fibers to align together along a first impingement axis to form a first layer of aligned fibers and causing the carrier fluid to separate from the fibers and pass through the porous belt.2. The process of claim 1 , further comprising positioning a first substrate material on top of the porous belt and forming the first layer of aligned fibers on top of the first substrate material.3. The process of claim 1 , wherein the first fluid mixture further comprises a plurality of first particles dispersed in the first carrier fluid along with the first plurality of discontinuous fibers.4. The process of claim 1 , wherein the first ...

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01-10-2015 дата публикации

PREPREG, CARBON-FIBER-REINFORCED COMPOSITE MATERIAL, AND ROBOT HAND

Номер: US20150274913A1
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

Provided are a carbon-fiber-reinforced composite material having a low saturated water absorption and excellent TML, CVCM, and heat resistance, a robot hand, and a prepreg suitable therefor. The prepreg includes a CFRP sheet composed of resin composition (a) containing 100 parts by mass of cyanate ester resin (a1) having in its molecule not less than 2 cyanate groups, 0.01 to 0.5 parts by mass of metal coordination catalyst (a2), and 1 to 20 parts by mass of thermoplastic, toughness enhancer (a3), and carbon fibers (b) containing carbon fibers (b1) having a tensile elastic modulus of not lower than 450 GPa. The prepreg is useful for a supporting section of a robot hand. 1. A prepreg comprising a carbon-fiber-containing resin sheet (c1) consisting of:resin composition (a) comprising 100 parts by mass of cyanate ester resin (a1) having in its molecule not less than two cyanate groups, 0.01 to 0.5 parts by mass of metal coordination catalyst (a2), and 1 to 20 parts by mass of thermoplastic, toughness enhancer (a3), andcarbon fibers (b) comprising carbon fibers (b1) having a tensile elastic modulus of not lower than 450 GPa.2. The prepreg according to claim 1 , further comprising carbon-fiber-containing resin sheet (c2) consisting of said resin composition (a) and carbon fibers (b2) having a tensile elastic modulus of lower than 450 GPa claim 1 , wherein said prepreg is a laminate.3. The prepreg according to claim 2 , wherein said laminate consists of:a middle layer consisting of at least one said carbon-fiber-containing resin sheet (c1), andtwo outer layers sandwiching said middle layer, each consisting of at least one said carbon-fiber-containing resin sheet (c2).4. The prepreg according to claim 1 , wherein said carbon fibers (b1) have a tensile elastic modulus of not lower than 600 GPa.5. The prepreg according to claim 3 , wherein said carbon fibers (b1) have a tensile elastic modulus of not lower than 600 GPa.6. The prepreg according to claim 1 , wherein said ...

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11-12-2014 дата публикации

Curable resin composition, curable resin molded body, cured resin molded body, method for producing each of same, and laminate body

Номер: US20140364531A1
Принадлежит: Lintec Corp

The present invention is: a curable resin composition comprising a thermoplastic resin (A), a curable monomer (B), and a photoinitiator (C), the thermoplastic resin (A) including an aromatic ring in its molecule, and having a glass transition temperature (Tg) of 140° C. or more, and the photoinitiator (C) having an absorbance at 380 nm of 0.4 or more when measured in a 0.1 mass % acetonitrile solution; a curable resin formed article obtained by forming the curable resin composition; a cured resin formed article obtained by curing the curable resin formed article; a laminate comprising at least one layer that is formed of a cured resin obtained by curing the curable resin composition. The present invention provides: a cured resin formed article that exhibits excellent heat resistance, includes only a small amount of residual low-boiling-point substance (e.g., solvent and curable monomer), and has small in-plane retardation, a method for producing the same, a curable resin composition and a curable resin formed article that are useful as a raw material for producing the cured resin formed article, and a laminate that includes a layer formed of a cured resin.

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11-12-2014 дата публикации

Engineered cross-linked thermoplastic particles for interlaminar toughening

Номер: US20140364568A1
Принадлежит: CYTEC TECHNOLOGY CORP

Thermoplastic polymer particles directly cross-linked together or cross-linked via a separate and independent polymer network to form an inter-penetrating network are disclosed herein, along with methods of manufacturing and use as interleaf tougheners of pre-pregs and composite articles.

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29-09-2016 дата публикации

Ion Exchange Membrane, Polymer Element, Electronic Apparatus, Camera Module, And Imaging Device

Номер: US20160280870A1
Принадлежит: DEXERIALS CORPORATION

An ion exchange membrane includes: a cation exchange resin material; and a macromolecular material that has an acidic functional group and is mixed in the cation exchange resin material. 1. An ion exchange membrane comprising:a cation exchange resin material; anda macromolecular material that has an acidic functional group and is mixed in the cation exchange resin material, whereinthe acidic functional group is a sulfone group,a contained amount of the macromolecular material in terms of a weight ratio in the cation exchange resin material and the macromolecular material is 5% or more and 25% or less,the macromolecular material having the acidic functional group has an ion exchange capacity as an IEC value of 2 meq/g or more and the cation exchange resin material has an ion exchange capacity as an IEC value of 0.9 to 1.5 meq/g, andthe macromolecular material has a molecular weight of 10,000 or more.2. (canceled)3. (canceled)4. The ion exchange membrane according to claim 1 , wherein an ion exchange capacity of the macromolecular material having an acidic functional group is larger than that of the cation exchange resin material.5. (canceled)6. An ion exchange membrane comprising:an anion exchange resin material; anda macromolecular material that has a basic functional group and is mixed in the anion exchange resin material.7. A polymer element comprising:a pair of electrode layers; anda macromolecular layer disposed between the pair of electrode layers, wherein a cation exchange resin material, and', 'a macromolecular material that has an acidic functional group and is mixed in the cation exchange resin material,, 'at least one of the pair of electrode layers and the macromolecular layer includes'}the acidic functional group is a sulfone group,a contained amount of the macromolecular material in terms of a weight ratio in the cation exchange resin material and the macromolecular material is 5% or more and 25% or less,the macromolecular material having the acidic ...

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08-10-2015 дата публикации

POLYSULFIDE MIXTURES, METHOD FOR THE PRODUCTION THEREOF, AND USE OF THE POLYSULFIDE MIXTURES IN RUBBER MIXTURES

Номер: US20150284547A1
Принадлежит:

The present invention relates to novel polysulfides mixtures comprising compounds of the formula (I) 2. The polysulfide mixture as claimed in claim 1 , wherein:{'sub': '2', 'each R′ is C-alkylene;'}n is at least 4 and 3; anda proportion of the compounds of the formula (I) where n=3 is less than 10%, based on the total quantity of polysulfide compounds of the formula (I).3. The polysulfide mixture as claimed in claim 1 , wherein:{'sub': '2', 'each R′ is C-alkylenen is at least 4 and 5 and a proportion of the compounds of the formula (I) where n=5 is less than 10%, based on the total quantity of polysulfide compounds of the formula (I).4. The polysulfide mixture as claimed claim 1 , wherein:{'sub': '2', 'each R′ is C-alkylenethe mixture contains compounds that do not correspond to the formula (I) and a proportion of compounds which do not correspond to the formula (I) is less than 10%.5. The polysulfide mixture as claimed in claim 1 , wherein each R′ is C-alkylene claim 1 , and each R is methyl.6. A process for the production of polysulfide mixtures as claimed in claim 1 , the process comprising:{'sub': 2', '2, 'claim-ref': [{'@idref': 'CLM-00001', 'claim 1'}, {'@idref': 'CLM-00001', 'claim 1'}], 'contacting alkyl 3-mercaptopropionate and SClin an inert medium, wherein the inert medium comprises the polysulfide mixture as claimed in , or an inert medium other than the polysulfide mixture as claimed in , and'}removing the inert medium at a temperature no higher than 45° C.7. The process as claimed in claim 6 , wherein contacting the alkyl 3-mercaptopropionate claim 6 , and SCltakes place at temperatures of 0° C. to 60° C.8. The process as claimed in claim 6 , wherein HCl gas is produced as a reaction byproduct during the contacting and the method further comprises removing all or some of the resultant HCl gas from the mixture during the reaction via passage of inert gas and/or via application of vacuum.9. A rubber mixture comprising:at least one rubber, and{'claim-ref ...

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18-11-2021 дата публикации

Highly Pure Thionated Polymers

Номер: US20210355281A1
Принадлежит:

The present disclosure provides thionated polymers, comprising one or more aromatic groups and at least one Sgroup, wherein x is 1-200, wherein the thionated polymer comprises about 50% by weight or less, based on the weight of the thionated polymer, of substituents on the backbone of the thionated polymer that absorb at a wavelength of about 700 to about 6200 nm. Also provided are substrates such as films, glass substrates, and optical devices comprising a thionated polymer and processes for preparing a thionated polymer described herein. 1. A thionated polymer , comprising one or more aromatic groups and at least one Sgroup , wherein x is 1-200 , wherein:the thionated polymer contains about 50% by weight, based on the weight of the thionated polymer, or less of substituents on the backbone of the thionated polymer that absorb at a wavelength of about 700 to about 6200 nm.2. The thionated polymer of claim 1 , that is transparent at a wavelength of about 700 to about 6200 nm.3. The thionated polymer of claim 1 , wherein the thionated polymer substantially lacks one or more fully saturated or acyclic substituents on the backbone of the thionated polymer.4. The thionated polymer of claim 1 , wherein the Mof the thionated polymer is about 500 to about 10 claim 1 ,000 claim 1 ,000 daltons.5. The thionated polymer of claim 1 , wherein the thionated polymer is linear or cross-linked.6. (canceled)7. The thionated polymer of claim 1 , wherein each Sgroup bridges two aromatic groups or is linear.8. (canceled)9. The thionated polymer of claim 1 , wherein x is 1-100.10. The thionated polymer of claim 1 , comprising at least one Sgroup.11. The thionated polymer of claim 1 , wherein the aromatic group comprises an aryl claim 1 , a heteroaryl claim 1 , or a combination thereof.12. The thionated polymer of claim 1 , wherein the aromatic group comprises an aryl such as phenyl claim 1 , naphthyl claim 1 , anthryl claim 1 , or fluorenyl.13. The thionated polymer of claim 1 , wherein ...

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20-08-2020 дата публикации

ASYMMETRIC COMPOSITE MEMBRANES AND USES THEREOF

Номер: US20200261855A1
Принадлежит:

Disclosed herein are asymmetric thin-film composite membranes and methods of making and using the same. Also included herein are asymmetric thin-film composite membranes for preventing and/or reducing microfouling or macrofouling. Additionally included herein are asymmetric thin-film composite membranes for preventing and/or reducing biofilm. 1. An asymmetric thin-film composite membrane comprising an active layer and a microporous support layer , whereinthe active layer comprises at least one polymer or at least one active agent, and the active layer has a thickness from about 10 nm to about 1,000 nm;the microporous support layer comprises an epoxy resin; andthe active layer and the microporous support layer are covalently bonded to each other.2. The membrane of claim 1 , wherein the active layer comprises at least one polyaniline claim 1 , at least one polyimide claim 1 , at least one polybenzimidazolone claim 1 , at least one polystyrene claim 1 , at least one polyamide claim 1 , at least one polybenzimidazole claim 1 , at least one polybenzoxazole claim 1 , or a combination thereof.3. The membrane of claim 2 , wherein said active layer comprises at least one polybenzimidazole.5. The membrane of any one of - claim 2 , wherein the active layer comprises at least one polybenzoxazole.7. The membrane of any one of - claim 2 , wherein the active layer comprises at least one polystyrene.9. The membrane of any one of - claim 2 , wherein the active layer comprises one or more active agents selected from zeolites claim 2 , metal-organic frameworks claim 2 , nanoporous carbides claim 2 , TiOnanoparticles claim 2 , and carbon nanotubes.10. The membrane of any one of - claim 2 , wherein the epoxy resin is a diglycidyl ether-based epoxy resin.11. The membrane of any one of - claim 2 , wherein the epoxy resin is selected from: DER 333 claim 2 , DER 661 claim 2 , EPON 828 claim 2 , EPON 836 claim 2 , EPON 1001 claim 2 , EPON 1007F claim 2 , Epikote 826 claim 2 , Epikote 828 ...

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27-09-2018 дата публикации

Multilayer barrier stack

Номер: US20180273713A1
Принадлежит: 3M Innovative Properties Co

Multilayer barrier films and methods of making the films are provided. The films include a smooth layer and a barrier layer directly disposed on the smooth layer. In some cases, the smooth layer includes a thiol-ene material as a polymeric matrix material. In some cases, the films have a sandwich structure of barrier layer/smooth layer/substrate/smooth layer/barrier layer.

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25-11-2021 дата публикации

PREPREG AND PRODUCTION METHOD THEREFOR, SLIT TAPE PREPREG, CARBON FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20210363316A1
Принадлежит: Toray Industries, Inc.

A prepreg having high processability and laminating performance and a method to produce such a prepreg in an industrially advantageous way is described, the prepreg comprising at least the components [A] to [E] shown below, and having a structure incorporating a first layer composed mainly of the component [A] and a first epoxy resin composition that contains the components [B] to [D] but which is substantially free of the component [E], and a second layer composed mainly of a second epoxy resin composition that contains the components [B] to [E] and which is disposed adjacent to each surface of the first layer, the second epoxy resin composition being characterized in that its component [D] has a weight-average molecular weight of 2,000 to 30,000 g/mol and accounts for 5 to 15 parts by mass relative to the total quantity of its components [B] to [E], which accounts for 100 parts by mass, 2. A prepreg as set forth in claim 1 , wherein the second epoxy resin composition has a viscosity at 85° C. of 10 to 300 Pa·s.3. A prepreg as set forth in either claim 1 , wherein the component [D] is polysulfone or polyethersulfone.4. A slit tape prepreg produced by slitting a prepreg as set forth in .5. A carbon fiber reinforced composite material produced by laying up plies of the prepreg set forth in or plies of the slit tape prepreg set forth in claim 1 , followed by curing them. This is the U.S. National Phase application of PCT/JP2019/013096, filed Mar. 27, 2019, which claims priority to Japanese Patent Application No. 2018-120566, filed Jun. 26, 2018, the disclosures of these applications being incorporated herein by reference in their entireties for all purposes.The present invention relates to a prepreg showing high processability and laminating performance in an automated lay-up device and a production method therefor.Fiber reinforced composite materials containing a reinforcing fiber such as glass fiber, carbon fiber, and aramid fiber combined with a matrix resin are ...

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12-09-2019 дата публикации

Polyaryletherketone Composition

Номер: US20190276667A1
Принадлежит:

A polymer composition comprising at least one polyaryletherketone, at least one polyarylene sulfide, and a plurality of reinforcing fibers is provided. The composition has a melt viscosity of about 250 Pa-s or less as determined in accordance with ISO Test No. 11443:2005 at a shear rate of 1,000 secondsand temperature of about 380° C. 1. A polymer composition comprising at least one polyaryletherketone , at least one polyarylene sulfide , and a plurality of reinforcing fibers , wherein the composition has a melt viscosity of about 250 Pa-s or less as determined in accordance with ISO Test No. 11443:2005 at a shear rate of 1 ,000 secondsand temperature of about 380° C.2. The polymer composition of claim 1 , wherein the polyaryletherketone has a glass transition temperature of from about 130° C. to about 230° C.3. The polymer composition of claim 1 , wherein the polyaryletherketone has a melt viscosity of about 150 Pa-s or more claim 1 , as determined in accordance with ISO Test No. 11443:2005 at a shear rate of 1 claim 1 ,000 sand temperature of about 400° C.7. The polymer composition claim 1 , wherein the polyaryletherketone is polyetheretherketone claim 1 , polyetherketone claim 1 , polyetherketoneketone claim 1 , polyetherketoneetherketoneketone claim 1 , polyetheretherketoneketone claim 1 , polyether-diphenyl-ether-ether-diphenyl-ether-phenyl-ketone-phenyl claim 1 , or a blend or copolymer thereof.8. The polymer composition of claim 1 , wherein the polyarylene sulfide is a polyphenylene sulfide.9. The polymer composition of claim 1 , wherein the polyarylene sulfide has a melt viscosity of about 150 Pa-s or les claim 1 , as determined in accordance with ISO Test No. 11443:2005 at a shear rate of 1 claim 1 ,200 secondsand temperature of about 310° C.10. The polymer composition of claim 1 , wherein the polyarylene sulfide is present in an amount of from about 1 to about 60 parts per 100 parts by weight of the polyaryletherketone.11. The polymer composition of claim ...

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22-10-2015 дата публикации

CONDUCTIVE FIBER REINFORCED POLYMER COMPOSITE AND MULTIFUNCTIONAL COMPOSITE

Номер: US20150299408A1
Принадлежит: Toray Industries, Inc.

A fiber reinforced polymer composition is provided comprising a fiber and an adhesive composition, wherein the adhesive composition comprises at least a thermosetting resin, a curing agent, and an interfacial material comprising a conductive material. When cured the fiber reinforced polymer composition has a z-direction electrical conductivity of at least 1 S/m and the adhesive composition forms good bonds to the reinforcing fiber. An interfacial region between the reinforcing fiber and the adhesive composition comprises the interfacial material. Additional embodiments include a conductive prepreg, a multifunctional prepreg having both load-carrying and non-load carrying functions and a method of manufacturing a composite article by curing the adhesive composition and the reinforcing fiber. 1. A fiber reinforced polymer composition comprising a reinforcing fiber and an adhesive composition , wherein when cured the adhesive composition forms good bonds to the reinforcing fiber and wherein the fiber reinforced polymer composition has an electrical conductivity of at least 1 S/m.2. The fiber reinforced polymer composition of claim 1 , wherein the adhesive composition comprises at least a thermosetting resin claim 1 , a curing agent and an interfacial material comprising a conductive material claim 1 , wherein the reinforcing fiber is suitable for concentrating the interfacial material in an interfacial region between the reinforcing fiber and the adhesive composition.3. The fiber reinforced polymer composition of claim 2 , wherein the interfacial region comprises an adhesion layer and a conductive layer claim 2 , wherein the adhesion layer is closer to the reinforcing fiber than the conductive layer and has a composition different from that of the conductive layer claim 2 , and wherein the conductive layer comprises at least the interfacial material.4. The fiber reinforced polymer composition of claim 3 , wherein the adhesive composition further comprises a migrating ...

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29-10-2015 дата публикации

polyarylene foam materials

Номер: US20150307677A1
Принадлежит:

A foam material having one glass transition temperature (Tg) and made from an immiscible composition having at least two glass transition temperatures (Tg) by an extrusion process wherein said composition (C) comprises at least one polyarylene (P1) polymer, wherein more than 50% by moles (moles %) of the recurring units of said (P1) polymer are recurring units (R1) consisting of an arylene group, wherein said arylene group is a hydrocarbon divalent group consisting of one core composed of one benzene ring or of a plurality of benzene rings fused together by sharing two or more neighboring ring carbon atoms, said benzene ring being optionally substituted, wherein each of said arylene group is bound to two other arylene groups of neighboring recurring units (R1) through a first C—C bond (E1) and a second C—C bond (E2), wherein at least 20 moles % of recurring units (R1) are kink-forming arylene units (R1-b), the remainder being rigid rod-forming arylene units (R1-a) different from aryleneunits, wherein in said aryleneRunits the bond (E1) and the bond (E2) are co-linear and anti-parallel towards each other, said (P1) polymer being present in composition (C) in an amount of below 75% by weight (wt. %) and above 10 wt. % based on the total wt. % of (P1) polymer and (PPSU) polymer, and (ii) at least one polyphenylsulfone polymer, said (PPSU) polymer being present in composition (C) in an amount of below 90 wt. % and above 25 wt. % of based on the total wt. % of polyarylene (P4) polymer and (PPSU) polymer. 115-. (canceled)17. The foam material according to claim 16 , wherein the mole amount of the aryleneunits in the polyarylene (P1) polymer is in an amount from 45-55% claim 16 , based on a total amount of moles of the recurring units (R1).18. The foam material according to claim 16 , wherein the aryleneunits are p-phenylenes substituted by at least one monovalent substituting group chosen from arylketones and aryloxyarylketones claim 16 , said arylketones and ...

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26-09-2019 дата публикации

HYDROPHOBIC AND HYDROPHILIC SURFACES, ARTICLES AND METHODS OF MAKING SAME

Номер: US20190292341A1
Автор: HWANG Tae Seon, Kim Kwang
Принадлежит:

The invention generally relates to articles and methods of making thereof. More specifically, the invention generally relates to articles comprising a substrate embedded with particles, and having at least one etched surface exposing at least a portion of particles. Methods of making these articles are also disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. 1. An article comprising a substrate embedded with particles , wherein the substrate has at least one etched surface exposing at least a portion of the particles.2. The article of claim 1 , wherein the substrate comprises a polymeric substrate.3. The article of claim 2 , wherein the polymeric substrate comprises polypropylene (PP) claim 2 , low-density polyethylene (LDPE) claim 2 , high-density polyethylene(HDPE) claim 2 , polystyrenes (PS) claim 2 , acrylonitrile butadiene styrene (ABS) claim 2 , polyethylene terephthalate (PET) claim 2 , polyethylene (PE) claim 2 , polysulfone (PSf) claim 2 , or any combination thereof.4. The article of claim 1 , wherein the particles occupy at least about 20% of the substrate by volume.5. The article of claim 1 , wherein the particles are homogeneously distributed in the substrate.6. The article of claim 1 , wherein the article is not a film.7. The article of claim 1 , wherein the particles are hydrophobic particles.8. The article of claim 7 , wherein the particles comprise polytetrafluoroethylene particles claim 7 , hydrophobic silica particles claim 7 , titanium dioxide particles claim 7 , or any combination thereof.9. The article of claim 1 , wherein the particles are hydrophilic particles.10. The article of claim 9 , wherein the particles comprise hydrophilic silica claim 9 , titanium dioxide claim 9 , polysilzane claim 9 , or any combination thereof.11. The article of claim 1 , wherein the etched surface has a water contact angle that is different than the ...

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26-10-2017 дата публикации

EPOXY RESIN COMPOSITION, CURED RESIN, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20170306117A1
Принадлежит: Toray Industries, Inc.

Provided is an epoxy resin composition with improved heat resistance and resin elongation. Further provided is a fiber-reinforced composite material which uses the epoxy resin composition and thereby excels in compression strength in high-temperature environments and interlaminar toughness. The epoxy resin composition comprises the constituents [A], [B] and [C], 8-40 mass % of [B] is contained in the epoxy resin composition. The number of moles of active hydrogen contained in [C] is 1.05-2.0 times the number of moles of epoxy groups contained in the entire epoxy resin composition, in a cured resin formed by curing the epoxy resin composition and having a degree of curing of at least 90% obtained by DSC (differential scanning catorimetry), [A], [B] and [C] form a monolayer structure, or a phase separation structure of less than 500 nm. The rubber state modulus of elasticity Y (MPa) and glass transition temperature X (° C.) obtained by DMA (dynamic mechanical analysis) of the cured resin satisfy formula (1). [A] amine type epoxy resin [B] thermoplastic resin [C] aromatic amine 110-. (canceled)11. An epoxy resin composition comprising the constitutional elements [A] , [B] , [C] , and [D] listed below , [A] accounting for 50 to 100 parts by mass in the total quantity 100 parts by mass of the epoxy resin , [B] accounting for 8 to 40 mass % in 100 mass % of the epoxy resin composition that excludes thermoplastic resin particle [D] , and [B] having a glass transition temperature of 150° C. or more , the number of moles of the active hydrogen contained in [C] being 1.05 to 2.0 times as large as the number of moles of epoxy groups contained in the entire epoxy resin composition , [A] , [B] , and [C] having a single phase structure or a below-500-nm phase separated structure in cured material with a cure degree of 90% or more , as calculated by the Equation (2) given below from the total calorific value QT of the epoxy resin composition and the residual calorific value QR of ...

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25-10-2018 дата публикации

FIBER-REINFORCED THERMOPLASTIC RESIN MOLDED ARTICLE, AND FIBER-REINFORCED THERMOPLASTIC RESIN MOLDING MATERIAL

Номер: US20180305507A1
Принадлежит:

A fiber reinforced thermoplastic resin molded article includes 5 to 45 parts by weight of carbon fibers (A), 1 to 45 parts by weight of organic fibers (B), and 10 to 94 parts by weight of a thermoplastic resin (C), based on 100 parts by weight of the total amount of the carbon fibers (A), the organic fibers (B), and the thermoplastic resin (C). The carbon fibers (A) in the fiber reinforced thermoplastic resin molded article have an average fiber length (L) of 0.3 to 3 mm. The organic fibers (B) in the fiber reinforced thermoplastic resin molded article have an average fiber length (L) of 0.5 to 5 mm, and a number average fiber diameter (d) of 1 to 10 μm. The fiber reinforced thermoplastic resin molded article excellent in impact strength. 19-. (canceled)10. A fiber reinforced thermoplastic resin molded article comprising: 5 to 45 parts by weight of carbon fibers (A); 1 to 45 parts by weight of organic fibers (B); and 10 to 94 parts by weight of a thermoplastic resin (C) , based on 100 parts by weight of the total amount of the carbon fibers (A) , the organic fibers (B) , and the thermoplastic resin (C) ,{'sub': 'A', 'wherein the carbon fibers (A) have an average fiber length (L) of 0.3 to 3 mm, and'}{'sub': B', 'B, 'the organic fibers (B) have an average fiber length (L) of 0.5 to 5 mm, and a number average fiber diameter (d) of 1 to 10 μm.'}11. The fiber reinforced thermoplastic resin molded article according to claim 10 , wherein the organic fibers (B) have an aspect ratio (L[μm]/d[μm]) of 250 or more.12. The fiber reinforced thermoplastic resin molded article according to claim 10 , wherein a ratio (n/n) of a calculated number nof the organic fibers (B) to a calculated number nof the carbon fibers (A) is 0.5 or more.13. The fiber reinforced thermoplastic resin molded article according to claim 10 , wherein the organic fibers (B) have a number average fiber diameter (d) of 3 to 8 μm.14. The fiber reinforced thermoplastic resin molded article according to claim 10 ...

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01-11-2018 дата публикации

POLYMER COMPOSITIONS BASED ON A BIO-SOURCED POLYARYLENE ETHER KETONE

Номер: US20180312635A1
Принадлежит:

A polymer composition [composition (C)] comprising: (a) a polyarylene ether ketone (PAEK-1) comprising recurring units deriving from the incorporation of 1,4:3,6-dianhydrohexitols; (b) a poly(biphenyl ether) sulfone (PPSU-1) comprising repeating units of formula (I) and/or (c) a polyetherimide (PEI-1) comprising repeating units of formula (II) wherein Ar* and Ar*′ are as en.) defined in the specification are herein disclosed. (PAEK-1) and (PPSU-1) and/or (PEI-1) are completely miscible and give rise to compositions that are transparent and possess high strength and stiffness and that are suitable for the manufacture of a variety of shaped articles. 113-. (canceled)22. The compositions of claim 14 , wherein the compositions comprise:from 10% to 90% wt of the (PAEK-1); andfrom 90% to 10% wt of the (PPSU-1), the (PEI-1), or mixtures thereof.23. A shaped article manufactured from the composition of .24. The shaped article of claim 23 , said article being selected from membranes claim 23 , films claim 23 , sheets claim 23 , and three-dimensional moulded parts.25. A method of forming the shaped article of which comprises processing the composition claim 23 , wherein the processing is selected from melt processing claim 23 , solution processing claim 23 , or a combination thereof.26. A method of coating a substrate claim 14 , said method comprising dissolving the composition of in at least one liquid medium and applying the composition on to a substrate. This application claims priority to U.S. provisional application No. 62/154986, filed Apr. 30, 2015 and European patent application n. 15190071.9, filed Oct. 16, 2015, the whole content of these applications being incorporated herein by reference for all purposes.The present invention relates to polymer compositions comprising a bio-sourced polymer and a poly(biphenyl ether)sulfone and/or a polyetherimide, to methods for their manufacture and to their use in the manufacture of shaped articles.Poly(aryl ether) sulfones, in ...

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01-10-2020 дата публикации

MELT DISPERSED COMPOSITION

Номер: US20200308401A1
Принадлежит: EOS GMBH ELECTRO OPTICAL SYSTEMS

The present invention relates to a composition comprising at least one polymer, the polymer being present in the form of polymer particles and the composition contains at least one water-soluble agent, wherein the water-soluble agent has a proportion of at most 1 wt. % to the composition. The present invention further relates to a method for producing the claimed composition according to the invention and to the use thereof. 1. A composition comprising(a) at least one polymer,wherein the polymer is in the form of polymer particles and wherein the polymer is selected from at least one thermoplastic polymer, and(b) at least one water-soluble agent,wherein the water-soluble agent is in a proportion of at least 0.005% by weight, andwherein the composition can be obtained by melt dispersion.2. The composition as claimed in claim 1 , wherein the thermoplastic polymer is selected from at least one of polyetherimide claim 1 , polycarbonate claim 1 , polysulphone claim 1 , polyphenylene sulphone claim 1 , polyphenylene oxide claim 1 , polyethersulphone claim 1 , acrylonitrile-butadiene-styrene copolymer claim 1 , acrylonitrile-styrene-acrylate copolymer claim 1 , polyvinyl chloride claim 1 , polyacrylate claim 1 , polyester claim 1 , polyamide claim 1 , polypropylene claim 1 , polyethylene claim 1 , polyaryl ether ketone claim 1 , polyether claim 1 , polyurethane claim 1 , polyimide claim 1 , polyamide imide claim 1 , polyolefin claim 1 , polyarylene sulphide claim 1 , in particular from at least one polyamide and/or polypropylene claim 1 , as well as their copolymers and/or at least one polymer blend based on said polymers and/or copolymers.3. The composition as claimed in claim 2 , wherein the at least one polyamide is selected from polyamide 6 claim 2 , polyamide 11 claim 2 , polyamide 12 claim 2 , polyamide 46 claim 2 , polyamide 66 claim 2 , polyamide 1010 claim 2 , polyamide 1012 claim 2 , polyamide 1112 claim 2 , polyamide 1212 claim 2 , polyamide PA6T/6I claim 2 , ...

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17-10-2019 дата публикации

METHOD FOR OBTAINING PAPER FROM SAND AND PRODUCTS OBTAINED THEREFROM

Номер: US20190315940A1
Принадлежит:

The present disclosure relates to an eco-friendly sand-made paper and a method of manufacturing thereof. In an aspect, the proposed sand-made paper can be obtained/manufactured through a method comprising the steps of treating a polymer with a solvent so as to obtain solvent treated polymer; and processing said solvent treated polymer with fine powdered sand optionally with a binder to yield said sand-made paper. 1. A method of making sand-made paper , the method comprising the steps of:treating a polymer with a solvent so as to obtain solvent treated polymer;processing said solvent treated polymer with fine powder like sand optionally with a binder to yield said sand-made paper.2. The method of claim 1 , wherein the method further comprises the step of rolling said sand-made paper to provide one or more sand-made paper based sheet.3. The method of claim 1 , wherein said fine powder like sand has a mean particle size less than 32 microns.4. The method of claim 1 , wherein said fine powder like sand is obtained through sieving of naturally occurring sand.5. The method of claim 4 , wherein said naturally occurring sand is at least one of brown sand claim 4 , white sand claim 4 , grey sand and red sand.6. The method of claim 1 , wherein said polymer is in a form selected from at least one of powdered polymer claim 1 , processed polymer claim 1 , and polymer pellets.7. The method of claim 1 , wherein said polymer is selected from at least one of polyethylene claim 1 , and high density polyethylene (HDPE).8. The method of claim 1 , wherein said solvent is selected from at least one of toluene and acetone.9. The method of claim 1 , wherein said solvent is toluene claim 1 , and said polymer is powdered HDPE.10. The method of claim 1 , wherein said fine powder like sand and said solvent treated polymer are processed in a ratio ranging from 80:20 to 30:70.11. The method of claim 1 , wherein said fine powder like sand and said solvent treated polymer are processed in a ratio ...

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24-11-2016 дата публикации

BLEND MEMBRANES BASED ON POLYBENZIMIDAZOLE (PBI) AND POLYMERIC IONIC LIQUIDS (PILS) AND A PROCESS FOR THE PREPARATION THEREOF

Номер: US20160340484A1
Принадлежит:

Blend membranes based on polybenzimidazole (PBI) and polymeric ionic liquids (PILs), wherein said PBI and aliphatic PIL blend enhances H and OH ions conductivity, are provided. In particular, the blend membrane includes polybenzimidazole (PBI) and poly (diallyl dimethyl ammonium) trifluoromethane sulphonate with enhanced proton and hydroxyl ion conductivity. 1. A stable blend membrane comprising polybenzimidazole (PBI) and polymeric ionic liquid (PIL) Poly (diallyl dimethyl ammonium) trifluoromethane sulphonate P[PDADMA][TFMS] with enhanced proton and hydroxyl ion conductivity.2. The stable blend membrane according to claim 1 , wherein the weight ratio of PBI-I:PIL in the blend membrane is selected from 95:5 claim 1 , 85:15 claim 1 , 75:25 claim 1 , 65:35 and 55:45.3. The stable blend membrane according to claim 1 , wherein said blend membrane is doped with phosphoric acid having a concentration in the range of 1-17M.4. The stable blend membrane according to claim 1 , wherein said blend membrane has a thickness in the range 25-300 μm.6. The process according to claim 5 , wherein P[DADMA][TFMS] is prepared using anion exchange of P[DADMA][Cl] comprising:adding an equimolar quantity of silver salt to about 8% solution of P[DADMA][Cl] prepared in water;stirring at ambient temperature to ensure maximum possible exchange; andfurther centrifuging to separate AgCl followed by evaporation of the supernatant solution to obtain PIL, P[DADMA][TFMS].7. The process according to claim 6 , wherein the silver salt is selected from a metal salt of metal salt of carboxylate claim 6 , sulfonate claim 6 , halogen claim 6 , NO claim 6 , NO claim 6 , PO claim 6 , BF claim 6 , HPO—N(SOCF) claim 6 , HPO claim 6 , HSO claim 6 , SO claim 6 , ClO claim 6 , BrO claim 6 , CrO claim 6 , HCO claim 6 , CO claim 6 , MnO claim 6 , NH claim 6 , FeCl claim 6 , PF claim 6 , (CN)N claim 6 , CHPO claim 6 , CHCHO claim 6 , SCN claim 6 , CH═CHCOOCH claim 6 , CHCHSO claim 6 , CH═CHSO claim 6 , and CHCOSN.8. ...

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15-11-2018 дата публикации

METHOD TO MANUFACTURE POLYMER COMPOSITE MATERIALS WITH NANO-FILLERS FOR USE IN ADDITIVE MANUFACTURING TO IMPROVE MATERIAL PROPERTIES

Номер: US20180327552A1
Автор: Bheda Hemant, Reese Riley
Принадлежит:

Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication. 1. A printing material for use in additive manufacturing , comprising:at least one un-functionalized nano-filler, a polymer mixture, and one or more fibers,wherein said polymer mixture comprises a first polymer and a second polymer, wherein said first polymer and said second polymer are differently selected from the group consisting of a thermosetting polymer, a polyaryletherketone (PAEK) polyethylene (PE), polyetherimide (PEI), polysulfone (PSU), polyphenylene oxides (PPOs), acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), polyglycolic acid (PGA), polyamide-imide (PAI), polystyrene (PS), polyamide (PA), polybutylene terephthalate (PBT), poly(p-phenylene sulfide) (PPS), polyphenylene ether, and polycarbonate (PC).2. The printing material of claim wherein said PAEK is polyethertherketone (PEEK) or polyetherketoneketone (PEKK).3. The printing material of claim 1 , wherein said PSU comprises one or more members selected from the group consisting of polyethersulfone (PES) ...

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15-11-2018 дата публикации

PREPREG SHEET

Номер: US20180327946A1
Принадлежит: YUHO CO., LTD.

The prepreg sheet, which is an intermediate of molded articles, has a nonwoven fabric having carbon fibers and thermoplastic resin fibers, wherein the prepreg sheet has a thickness expansion rate of 250% or less after being heated for 90 seconds at a temperature of the melting point of the thermoplastic resin fiber to the melting point+100° C. 1. A prepreg sheet , which is an intermediate of molded articles , comprising a nonwoven fabric comprising carbon fibers and thermoplastic resin fibers , wherein ,the prepreg sheet has a thickness expansion rate of 250% or less after being heated for 90 seconds at a temperature of the melting point of the thermoplastic resin fibers to the melting point+100° C.2. The prepreg sheet according to claim 1 , wherein the prepreg sheet has a density of marks made by needle punching of 5 punches/cmor less.3. The prepreg sheet according to claim 1 , wherein a density of the carbon fibers having a displacement amount of 1 mm or more is 100 threads/cmor less in a cross section of the prepreg sheet claim 1 , wherein the displacement amount is a gap in the thickness direction between one portion and another portion of a carbon fiber selected from one of the carbon fibers.4. The prepreg sheet according to claim 1 , wherein the prepreg sheet has a basis weight of 100 to 1500 g/mand a thickness of 0.5 to 6.0 mm.5. The prepreg sheet according to claim 1 , wherein the carbon fibers have an average fiber length of 15 to 100 mm claim 1 , and the thermoplastic resin fibers have an average fiber length of 25 to 100 mm.6. The prepreg sheet according to claim 1 , wherein the thermoplastic resin fibers are selected from polypropylene fibers claim 1 , polyamide fibers claim 1 , polycarbonate fibers claim 1 , polyphenylene sulfide fibers claim 1 , and polyetherimide fibers.7. The prepreg sheet according to claim 1 , wherein the carbon fibers and the thermoplastic resin fibers are mixed in a mass ratio of 20:80 to 80:20. The present invention relates to a ...

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15-11-2018 дата публикации

METHOD OF DISPERSING NANOPARTICLES IN DIFFERENT MEDIUMS AND METHODS TO ACHIEVE SUPERIOR THERMOELECTRIC PERFORMANCES IN CARBON NANOTUBE POLYMER SYSTEMS

Номер: US20180331270A1
Автор: Tehrani Mehran
Принадлежит:

Provided herein is a method for forming a composite. The method can include mixing a plurality of carbon nanotubes (CNTs) and a plurality of magnetic nanoparticles in a non-polar medium. At least some of the plurality of CNTs form entangled CNTs. The method also includes attaching first ones of the plurality of magnetic nanoparticles to exposed surfaces of the entangled CNTs; disentangling the entangled CNTs to form a plurality of dispersed CNTs; and aligning the plurality of dispersed CNTs. The disentangling of the entangled CNTs to form a plurality of dispersed CNTs includes exposing the plurality of magnetic nanoparticles and the plurality of entangled CNTs to electromagnetic energy. 1. A method for forming a composite , comprising:mixing a plurality of carbon nanotubes (CNTs) and a plurality of magnetic nanoparticles in a non-polar medium, wherein at least some of the plurality of CNTs form entangled CNTs;attaching first ones of the plurality of magnetic nanoparticles to exposed surfaces of the entangled CNTs;disentangling the entangled CNTs to form a plurality of dispersed CNTs; andaligning the plurality of dispersed CNTs,wherein the disentangling of the entangled CNTs to form a plurality of dispersed CNTs comprises exposing the plurality of magnetic nanoparticles and the plurality of entangled CNTs to electromagnetic energy.2. The method of claim 1 , wherein the aligning of the plurality of dispersed CNTs comprises exposing the plurality of magnetic nanoparticles and the plurality of disentangled CNTs to a magnetic field claim 1 , an electric field claim 1 , or both.3. The method of claim 2 , wherein the magnetic field comprises an alternating magnetic field.4. The method of claim 2 , wherein the magnetic field comprises a magnetic field strength of at least 0.001 Tesla.5. The method of claim 1 , further comprising mixing the plurality of CNTs in the non-polar medium to form the entangled CNTs.6. The method of claim 1 , further comprising attaching second ones ...

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30-11-2017 дата публикации

EPOXY RESIN COMPOSITION, CURED EPOXY RESIN PRODUCT, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

Номер: US20170342225A1
Принадлежит: Toray Industries, Inc.

Provided are: an epoxy resin composition having exceptional performance with regard to impregnating reinforcing fibers, enabling optimal control of resin flow during molding, and having exceptional in-plane shear strength; a cured epoxy resin product; and a prepreg. An epoxy resin composition comprising at least the following constituent elements [A], [B], and [C]: [A] an epoxy resin, [B] a polyether sulfone having a weight-average molecular weight of 2000-20000 g/mol, [C] a curing agent 1. An epoxy resin composition comprising at least components [A] , [B] , and [C] listed below:[A] epoxy resin,[B] polyethersulfone having a weight-average molecular weight of 2,000 to 20,000 g/mol, and[C] curing agent.2. An epoxy resin composition as set forth in claim 1 , wherein the storage elastic modulus G′ and complex viscosity η* at 80° C. meets the relation 0.20≦G′/η*≦2.0.3. An epoxy resin composition as set forth in either claim 1 , wherein component [B] accounts for 20 to 60 mass % of the epoxy resin composition.4. An epoxy resin composition as set forth in claim 1 , wherein the hydroxyphenyl group accounts for 60 mol % or more of the end groups in component [B].5. An epoxy resin composition as set forth in claim 1 , wherein component [A] contains polyfunctional amine type epoxy resin.6. An epoxy resin composition as set forth in claim 1 , wherein component [A] contains bifunctional amine type epoxy resin.7. Cured epoxy resin produced by curing an epoxy resin composition as set forth in and characterized by having either a 400 nm-or-less phase-separation structure or a uniform phase structure.8. Prepreg produced by impregnating reinforcement fiber with an epoxy resin composition as set forth in .9. Prepreg as set forth in claim 8 , wherein the reinforcement fiber is carbon fiber.10. Fiber reinforced composite material comprising either cured epoxy resin formed by curing an epoxy resin composition as set forth in or cured epoxy resin as set forth in claim 8 , and ...

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31-10-2019 дата публикации

PREPREG, METHOD FOR PRODUCING SAME, AND SLIT TAPE PREPREG

Номер: US20190330433A1
Принадлежит: Toray Industries, Inc.

A prepreg is provided that has excellent processability and handleability and that can be processed into a cured product with high heat resistance. Also provided is a method to produce such a prepreg in an industrially advantageous way without being restricted by the types and contents of the matrix resin components used. The prepreg includes at least components [A] to [D] as given below and a preliminary reaction product that is a reaction product of the component [B] and the component [C], at least one surface resin in the prepreg having a storage elastic modulus G′ in the range of 1.0×10to 2.0×10Pa as measured at a temperature of 40° C. and an angular frequency in the range of 0.06 to 314 rad/s: [A] carbon fiber, [B] epoxy resin, [C] curing agent, and [D] thermoplastic resin.

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31-10-2019 дата публикации

Improved process for the production of expanded material based on sulfone polymers

Номер: US20190330435A1
Принадлежит:

A process for the production of expanded material based on sulfone polymers includes an extrusion step in an extruder of virgin sulfone polymer with the injection of at least one expanding agent and in the presence of at least one nucleating agent, and a recycling step of part of the expanded material, which provides a recycled product used as raw material fed to the extruder in combination with the virgin sulfone polymer.

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07-11-2019 дата публикации

RESIN COMPOSITION FOR BONDING METAL, PRODUCTION FORMED BY BONDING METAL WITH RESIN COMPOSITION, AND MANUFACTURING METHOD THEREOF

Номер: US20190338119A1
Принадлежит:

A composition is composed mainly of: a component (I) (which is at least one selected from polyether ketone, polyether ether ketone, and polyether ketone ketone); a component (II) (which is polyphenylene sulfide); and, additionally if necessary, a component (III) (which is at least one selected from polyether imide, polyimide, polyamide imide, and polysulfone resins) and (IV) an inorganic filler. The composition is obtained using a conventional melt-kneading machine, for example, a single screw or twin screw extruder, Banbury mixer, or kneader in accordance with the melt-kneading method corresponding to the kneading machine. The resin composition for metal bonding has excellent metal bonding properties, and is applicable for use in automobile parts that require the composition to be bonded with metal and in electronic products such as laptop computers and mobile phones. 115.-. (canceled)16. A resin composition for metal bonding comprising a component (I) and a component (II);wherein said component (I) is at least one selected from polyether ketone, polyether ether ketone, and polyether ketone ketone; andwherein said component (II) is polyphenylene sulfide.17. The resin composition according to claim 16 , wherein an addition amount of said component (II) is 1 to 9900 parts by weight with respect to 100 parts by weight of said component (I).18. The resin composition according to claim 16 , further comprising a component (III) claim 16 , which is at least one selected from polyether imide claim 16 , polyimide claim 16 , polyamide imide claim 16 , and polysulfone resins.19. The resin composition according to claim 18 , wherein an addition amount of said component (III) is 0.1 to 20 parts by weight with respect to a total of 100 parts by weight of said components (I) and (II).20. The resin composition according to claim 19 , wherein an addition amount of said component (III) is 0.1 parts by weight or more and less than 3 parts by weight with respect to a total of 100 ...

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15-12-2016 дата публикации

EXTENDED ROOM TEMPERATURE STORAGE OF EPOXY RESINS

Номер: US20160362528A1
Принадлежит:

Uncured epoxy resin for use in making prepreg for aerospace applications. The resin includes an epoxy resin component comprising difunctional epoxy resin, trifunctional epoxy resin and/or tetrafunctional epoxy resin and a sufficient amount of [3-(4-aminobenzoyl) oxyphenyl] 4-aminobenzoate (3-ABOAB), as a curing agent, such that the uncured resin can be stored at room temperature of at least 6 weeks and wherein the uncured resin can be fully cured in no more than 2 hours at a temperature of between 175° C. and 185° C. 1. A prepreg which can be stored at room temperature for at least 6 weeks and which can be full cured in no more than 2 hours at a temperature of between 165° C. and 190° C. , said prepreg comprising:a fiber reinforcement; an epoxy resin component comprising a trifunctional epoxy resin or a combination of a trifunctional epoxy resin and one or more epoxy resins selected from the group consisting of difunctional epoxy resin and tetrafunctional epoxy resin; and', 'a curing agent comprising a sufficient amount of [3-(4-aminobenzoyl) oxyphenyl] 4-aminobenzoate such that said uncured resin can be stored at room temperature for at least 6 weeks and wherein said prepreg can be fully cured in no more than 2 hours at a temperature of between 165° C. and 190° C., 'an uncured resin comprising2. A prepreg according to wherein said epoxy resin component comprises a combination of a trifunctional epoxy resin claim 1 , a difunctional epoxy resin and a tetrafunctional epoxy resin.3. A prepreg according to wherein said epoxy resin component comprises a combination of a trifunctional epoxy resin and a difunctional epoxy resin.4. A prepreg according to wherein the said uncured resin comprises a soluble thermoplastic and insoluble thermoplastic particles.5. A prepreg according to wherein said soluble thermoplastic comprises polyethersulfone.6. A prepreg according to wherein said insoluble thermoplastic particles comprise polyamide particles.7. A prepreg according to ...

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13-12-2018 дата публикации

Prepreg, laminate body, fiber reinforced composite material, and manufacturing method for fiber reinforced composite material

Номер: US20180355132A1
Принадлежит: TORAY INDUSTRIES INC

A permeable laminate body containing at least one partially impregnated prepreg which includes at least component (A) containing a matrix of reinforcing fiber, component (B) containing a thermosetting resin, and, optionally, component (C) containing a particle or a fiber of a thermoplastic resin exhibits long out time processability with good storage stability, achieving when molded and cured a fiber reinforced composite having a low void ratio and providing excellent mechanical performance.

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21-12-2017 дата публикации

EPOXY RESIN COMPOSITION, PREPREG, CURED RESIN, AND FIBER REINFORCED COMPOSITE MATERIAL (AS AMENDED)

Номер: US20170362427A1
Принадлежит: Toray Industries, Inc.

A epoxy resin composition includes a given epoxy resin [A], an aromatic amine compound [B], an organic acid hydrazide compound [C] having a structural formula represented by general formula (I) or (II) (X is a structure selected from among monocyclic and polycyclic aromatic ring structures, polycyclic aromatic ring structures, and aromatic heterocyclic structures and optionally has, as a substituent, any of Cor lower alkyl groups, a hydroxy group, and an amino group), and a thermoplastic resin [D], wherein the amount of the constituent element [C] is 1-25 parts by mass per 100 parts by mass of the constituent element [A], the epoxy resin composition, after having been held at 80° C. for 2 hours, having a viscosity which is up to 2.0 times the initial viscosity at 80° C. 2. The epoxy resin composition according to claim 1 , wherein after immersing claim 1 , in boiling water at 1 atmospheric pressure for 48 hours claim 1 , a cured object obtained by curing the epoxy resin composition at 180° C. for 2 hours claim 1 , a glass transition temperature of the cured object is 115° C. or higher.3. The epoxy resin composition according to claim 1 , wherein the initial viscosity at 80° C. is in the range of 0.5 to 200 Pa·s.4. The epoxy resin composition according to claim 1 , wherein a total of active hydrogen groups of the constituent element [B] and the constituent element [C] is 0.7 to 1.3 equivalent with respect to 1 equivalent of the epoxy group of the constituent element [A].5. The epoxy resin composition according to claim 1 , wherein a melting point of the constituent element [C] is 180° C. or higher.6. The epoxy resin composition according to claim 1 , wherein the constituent element [C] is at least one compound selected from the group consisting of 3-hydroxy-2-naphthoic acid hydrazide claim 1 , 2 claim 1 ,6-naphthalenedicarbodihydrazide and isophthalic dihydrazide.7. A prepreg formed by impregnating the epoxy resin composition according to into reinforced fibers.8. A ...

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31-12-2015 дата публикации

HYDROPHILIC BLOCK COPOLYMERS AND MEMBRANES PREPARED THEREFROM (II)

Номер: US20150376341A1
Принадлежит:

Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH)—S—(CH)—X, wherein a, b, and X are defined herein. The block copolymers find use as wetting agents in the preparation of porous membranes from aromatic hydrophobic polymers such as polyethersulfone. Also disclosed are methods of preparing such block copolymers and porous membranes therefrom. 1. A block copolymer of the formula: A-B-A (I) or A-B (II) ,wherein block A is:(i) a polymer of allyl glycidyl ether, said polymer having allyl groups; or{'sub': 2', 'a', '2', 'b', '2, '(ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH)—S—(CH)—X, wherein a is 3 and b is 1 to 3, and X is selected from an acidic group, a basic group, a cation, an anion, a zwitterion, halo, hydroxyl, acyl, acyloxy, alkylthio, alkoxy, aldehydo, amido, carbamoyl, ureido, cyano, nitro, epoxy, a group of the formula —C(H)(COOH)(NH), and a group of the formula —C(H)(COOH)(NHAc), or a salt thereof; and'}block B is an aromatic hydrophobic polymeric segment.3. The block copolymer of claim 1 , wherein block A is a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1 claim 1 ,2-dihydroxypropyl group or a group of the formula: —(CH)—S—(CH)—X claim 1 , wherein a and b are independently 1 to 3 claim 1 , and X is a group selected from an acidic group claim 1 , a basic group claim 1 , a cation claim 1 , an anion claim 1 , a zwitterion claim 1 , halo claim 1 , hydroxyl claim 1 , acyl claim 1 , acyloxy claim 1 , alkylthio claim 1 , alkoxy claim 1 , aldehydo claim 1 , amido claim 1 , carbamoyl claim 1 , ureido claim 1 , cyano claim 1 , nitro claim 1 , epoxy claim 1 , a group of the ...

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28-12-2017 дата публикации

COMPOSITE MATERIAL WITH THERMOPLASTIC TOUGHENED NOVOLAC-BASED EPOXY RESIN MATRIX

Номер: US20170369662A1
Принадлежит:

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component that includes a mixture of polyamide particles and polyimide particles. 2. A pre-impregnated composite material according to wherein said trifunctional epoxy is a triglycidyl ether of para aminophenol.3. A pre-impregnated composite material according to wherein said tetrafunctional epoxy is a tetrafunctional para-glycidyl amine.4. A pre-impregnated composite material according to wherein said curing agent is 3 claim 3 ,3′-diaminodiphenylsulfone.5. A pre-impregnated composite material according to wherein the amount of said hydrocarbon epoxy novolac resin present in said uncured resin matrix is from 10 to 17 weight percent claim 1 , based on the total weight of said uncured resin.6. A pre-impregnated composite material according to wherein the amount of said thermoplastic particle component present in said uncured resin matrix is from 9 to 15 weight percent claim 5 , based on the total weight of said uncured resin and wherein the weight ratio between the polyamide particles and the polyimide particles is from 3.5:1.0 to 1.0:1.0.7. A pre-impregnated composite material according to wherein the amount of said hydrocarbon epoxy novolac resin present in said uncured resin matrix is from 13 to 15 weight percent claim 6 , based on the total weight of said uncured resin and the weight ratio between the polyamide particles and the polyimide particles is from 3.2:1.0 to 2.8:1.0.8. A pre-impregnated composite material according to wherein the minimum viscosity of said uncured resin matrix is from 25 to 75 Poise.9. A pre- ...

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28-12-2017 дата публикации

Composite material with thermoplastic toughened novolac-based epoxy resin matrix

Номер: US20170369663A1
Принадлежит: Hexcel Corp

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.

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12-11-2020 дата публикации

Economical multi-scale reinforced composites

Номер: US20200354572A1
Принадлежит: Rutgers State University of New Jersey

Disclosed are co-continuous immiscible polymer blends of a polysulfone and a polyaryletherketone optionally reinforced with carbon fiber. A method of preparing such a co-continuous immiscible polymer blend of a polysulfone and a polyaryletherketone reinforced with a carbon fiber is also disclosed.

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19-11-2020 дата публикации

RESIN COMPOSITIONS FOR LIQUID RESIN INFUSION AND APPLICATIONS THEREOF

Номер: US20200362125A1
Принадлежит:

A resin infusion method that includes: (a) heating a mixture of solid amine compounds until all amine compounds are melted; (b) cooling the mixture of melted amine compounds to a temperature of 35° C. or lower to form an amine blend (A); (c) combining the amine blend (A) with a thermosettable resin (B), which includess one or more epoxy monomers, at a temperature effective for forming a liquid resin composition; and (d) infusing a fibrous preform with the liquid resin composition. The amine blend (A) contains an aromatic diamine represented by Structure 1 or 2: 2. The method of claim 1 , wherein the amine blend (A) has a Tof −50° C. to 150° C. or 0° C. to 30° C. claim 1 , as determined by Differential Scanning calorimetry (DSC) at ramp rate of 5° C./min.3. The method of claim 1 , wherein Tis in the range of 130° C. to 250° C. as determined by DSC at ramp rate of 5° C./min.5. The method according to claim 4 , wherein the amine blend (A) is selected from the following combinations:(i) Structure 1 and/or Structure 2 in combination with Structure 3 and Structure 4;(ii) Structure 1 and/or Structure 2 in combination with Structure 5 and Structure 6;(iii) Structure 1 and/or Structure 2 in combination with at least one of Structures 3 and 4 and at least one of Structures 5 and 6.6. The method according to claim 4 , wherein the amine blend (A) comprises the aromatic diamine Structure 1 or Structure 2 in combination with the aromatic diamines of Structures 3 to 6.7. The method according to claim 4 , wherein the amine blend (A) comprises the aromatic diamine of Structure 1 or Structure 2 in combination with the aromatic diamines of Structures 3 claim 4 , 4 and 5.8. The method according to claim 4 , wherein the amine blend (A) comprises the aromatic diamine of Structure 1 or Structure 2 in combination with the aromatic diamines of Structures 3 claim 4 , 4 and 6.9. The method according to claim 4 , wherein the amine blend (A) comprises the aromatic diamine of Structure 1 and/or ...

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19-11-2020 дата публикации

Epoxy Resin Composition for Fiber-Reinforced Composite Material, Prepreg and Fiber-Reinforced Composite Material

Номер: US20200362162A1
Принадлежит:

In an epoxy resin composition, per 100 parts by mass of an epoxy resin component containing from 60 to 85 parts by mass of N,N,N′,N′-tetraglycidyldiaminodiphenylmethane resin (A) having a viscosity at 50° C. of 6000 mPa·s or less and from 15 to 40 parts by mass of a liquid bisphenol A epoxy resin (B) having a viscosity at 25° C. of 20000 mPa·s or less, from 8 to 15 parts by mass of a thermoplastic resin (C), from 2 to 10 parts by mass of elastomer microparticles (D) having an average particle diameter of 1000 nm or less, and from 0.5 to 2.5 parts by mass of silica microparticles (E) having an average particle diameter of 1000 nm or less are blended. 1. An epoxy resin composition for a fiber-reinforced composite material comprising:per 100 parts by mass of an epoxy resin component containing from 60 to 85 parts by mass of N,N,N′,N′-tetraglycidyldiaminodiphenylmethane resin (A) having a viscosity at 50° C. of 6000 mPa·s or less and from 15 to 40 parts by mass of a liquid bisphenol A epoxy resin (B) having a viscosity at 25° C. of 20000 mPa·s or less,from 8 to 15 parts by mass of a thermoplastic resin (C),from 2 to 10 parts by mass of elastomer microparticles (D) having an average particle diameter of 1000 nm or less, andfrom 0.5 to 2.5 parts by mass of silica microparticles (E) having an average particle diameter of 1000 nm or less.2. The epoxy resin composition for a fiber-reinforced composite material according to claim 1 , wherein a viscosity at 70° C. is 200 Pa·s or less claim 1 , and a minimum viscosity in a curing process is 1 Pa·s or greater.3. The epoxy resin composition for a fiber-reinforced composite material according to claim 1 , wherein the thermoplastic resin (C) is polyethersulfone.4. The epoxy resin composition for a fiber-reinforced composite material according to claim 1 , wherein the epoxy resin composition is formed by dissolving the thermoplastic resin (C) in the N claim 1 ,N claim 1 ,N′ claim 1 ,N′-tetraglycidyldiaminodiphenylmethane resin (A) ...

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26-12-2019 дата публикации

FOAM MATERIALS MADE OF A COMBINATION OF POLY(BIPHENYL ETHER SULFONE) (PPSU) AND POLYETHERSULFONE (PES)

Номер: US20190390058A1
Принадлежит:

Described herein are foam materials comprising a blend of a poly(biphenyl ether sulfone) (PPSU) and a polyethersulfone polymer (PES) with improved compressive strength and impact performance, a method for their formation, and articles comprising said foam materials for use in various lightweight applications such as transport and building materials. 113-. (canceled)14. A foam material (FP) comprising a polymer composition (C) , which comprises: from 1 wt. % to 99 wt. % of a poly(biphenyl ether sulfone) (PPSU), and', 'from 1 wt. % to 99 wt. % of a polyethersulfone polymer (PES),, '(a) a polymer blend comprisingthe wt. % being based on the total weight of the polymer blend (a), and(b) from 0 wt. % to 10 wt. % of at least one additive (AD), based on the total weight of the polymer composition (C).15. The foam material (FP) of claim 14 , wherein the amount of the poly(biphenyl ether sulfone) (PPSU) in the polymer blend (a) is from 20 wt. % to 90 wt claim 14 , % claim 14 , based on the total weight of the polymer blend (a).16. The foam material (FP) of claim 14 , wherein the polymer blend (a) consists essentially of the poly(biphenyl ether sulfone) (PPSU) and the polyethersulfone polymer (PES).17. The foam material (FP) of claim 14 , wherein the polymer composition (C) comprises from 0.2 wt. % to 5 wt. % of the at least one additive (AD) claim 14 , based on the total weight of the polymer composition (C).18. The foam material (FP) of having a density of from 20 to 1000 kg/m claim 14 , as measured according to ASTM D1622.19. The foam material (FP) of claim 14 , comprising the polymer composition (C) claim 14 , which comprises: from 20 wt. % to 60 wt. % of the poly(biphenyl ether sulfone) (PPSU), and', 'from 40 wt. % to 80 wt. % of the polyethersulfone polymer (PES),, '(a) the polymer blend comprisingthe wt. % being based on the total weight of the polymer blend (a), and(b) from 0.1 wt. % to 5 wt. % of the at least one additive (AD), wherein the additive (AD) is at least ...

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31-12-2020 дата публикации

PES-PPSU BLENDS AS BASIS FOR FOAMS

Номер: US20200407558A1
Принадлежит: EVONIK OPERATIONS GMBH

A composition is used for producing novel types of foam in that they combine specifically good flame-retardant properties with a good elongation at break. These novel types of foam are produced from a blend of polyether sulphone (PES) and polyphenylene sulphone (PPSU). 1. A composition for production of foams , comprising:from 60 to 98 wt % of a mixture of polyether sulphone (PES) and polyphenylene sulphone (PPSU) in a ratio between 1:9 and 9:1,0.5 to 10 wt % of a blowing agent,from 0 to 10 wt % of additives, andfrom 0 to 20 wt % of a third polymeric component.2. The composition according to claim 1 , wherein the PES and PPSU are present in a ratio between 1:1 and 8.5:1.3. The composition according to claim 1 , wherein the additives comprise flame-retardants claim 1 , plasticizers claim 1 , pigments claim 1 , UV stabilizers claim 1 , nucleating agents claim 1 , impact modifiers claim 1 , adhesion promoters claim 1 , rheology modifiers claim 1 , chain extenders claim 1 , fibres and/or nanoparticles.4. The composition according to claim 1 , wherein the blowing agent comprises an alcohol claim 1 , a ketone claim 1 , an alkane claim 1 , an alkene claim 1 , CO claim 1 , N claim 1 , water claim 1 , an ether claim 1 , an aldehyde claim 1 , chemical blowing agents claim 1 , or mixtures of two or more thereof.5. The composition Composition according to claim 1 , wherein the composition consists of:from 90 to 95 wt % of the mixture of PES and PPSU in a ratio between 1:1 and 8:1,from 1 to 9 wt % of the blowing agent, andfrom 1 to 5 wt % of the additives.6. A foam obtained by foaming the composition according to .7. A process claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'foaming the composition according to ,'}wherein the composition is foamed at a temperature between 150 and 250° C. and at a pressure between 0.1 and 2 bar.8. The process according to claim 7 , wherein the composition is foamed at a temperature between 180 and 230° C. in a standard ...

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06-03-2018 дата публикации

Method to manufacture polymer composite materials with nano-fillers for use in additive manufacturing to improve material properties

Номер: US9908978B2
Автор: Hemant Bheda, Riley Reese
Принадлежит: Arevo Inc

Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication.

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02-04-2019 дата публикации

马来酰亚胺树脂组合物、预浸料、其硬化物及半导体装置

Номер: CN109563344A
Принадлежит: Nippon Kayaku Co Ltd

提供一种可利用与环氧树脂同等的硬化制程进行硬化,可达成200℃以下时的成型性(硬化性)、250℃以上时的耐热性、于250℃的高热稳定性及高弹性模数的维持,此外,可达成低介电、低介电损耗正切的马来酰亚胺树脂组合物,该马来酰亚胺树脂组合物含有马来酰亚胺化合物、及具有下述结构的磺酰基化合物,

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14-08-2013 дата публикации

将改性剂连接于基体的方法

Номер: CN102227464B
Принадлежит: Dow Global Technologies LLC

通过包括下列步骤的方法将改性剂,如多(磺酰基)叠氮化物,连接于基体表面,如聚烯烃微粒的表面:A.使基体在敞开的接触区域中和在惰性气体流中与改性剂、粘结剂如基于酚类的抗氧化剂、和液体混合剂如二氯甲烷接触以形成基体混合物;B.关闭所述接触区域和使所述惰性气体流停止流向所述接触区域;C.在关闭的接触区域中在惰性气体下搅拌所述基体混合物以使所述液体混合剂开始蒸发;D.在继续搅拌所述基体混合物的同时降低所述关闭的接触区域的温度和压力;和E.通过继续搅拌所述基体混合物和保持减压的同时打开所述接触区域和启动惰性气体流,完成所述混合剂从所述基体混合物的充分蒸发。

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27-01-2011 дата публикации

Nanokompositblends auf basis von polyamiden und polyarylenethersulfonen

Номер: WO2011009798A1
Принадлежит: BASF SE

Die Erfindung betrifft thermoplastische Formmassen, enthaltend: A) mindestens ein thermoplastisches Polyamid, B) mindestens ein Polyarylenethersulfon und C) mindestens ein Oxid und/oder Oxidhydrat mindestens eines Metalls oder Halbmetalls mit einem zahlengewichteten mittleren Durchmesser der Primärpartikel von 0,5 bis 50 nm. Weiterhin betrifft die Erfindung die Verwendung der thermoplastischen Formmassen zur Herstellung von Fasern, Folien und Formkörpern sowie Fasern, Folien und Formkörper, welche aus den erfindungsgemäßen thermoplastischen Formmassen erhältlich sind.

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17-08-2022 дата публикации

지방족 폴리케톤 강화제를 포함하는 경화성 수지 조성물 및 이로부터 제조된 복합재

Номер: KR20220115098A

본 발명은 열경화성 수지, 강화제로서 지방족 폴리케톤, 및 경화제를 포함하는 경화성 수지 조성물을 제공한다. 상기 경화성 수지 조성물은 강화 섬유와 혼합된 후 경화되어 높은 유리 전이 온도, 우수한 기계적 특성 및 낮은 수분 흡수율을 갖는 섬유 강화 복합재 제품을 형성할 수 있다. 상기 섬유 강화 복합재 제품은 항공우주, 항공, 해상 및 육상 차량을 비롯한 운송 용도와 같은 다양한 용도로 사용될 수 있다.

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29-12-2020 дата публикации

Method to manufacture polymer composite materials with nano-fillers for use in additive manufacturing to improve material properties

Номер: US10875974B2
Автор: Hemant Bheda, Riley Reese
Принадлежит: Arevo Inc

Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication.

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29-12-2020 дата публикации

Method to manufacture polymer composite materials with nano-fillers for use in additive manufacturing to improve material properties

Номер: US10875975B2
Автор: Hemant Bheda, Riley Reese
Принадлежит: Arevo Inc

Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication.

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10-06-2021 дата публикации

Композиция эпоксидной смолы, препрег, фиброармированный композитный материал и способ его производства

Номер: RU2019139671A
Принадлежит: Торэй Индастриз, Инк.

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2019 139 671 A (51) МПК C08G 59/50 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019139671, 05.04.2018 (71) Заявитель(и): ТОРЭЙ ИНДАСТРИЗ, ИНК. (JP) Приоритет(ы): (30) Конвенционный приоритет: 10.05.2017 JP 2017-093710 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 10.12.2019 R U (43) Дата публикации заявки: 10.06.2021 Бюл. № 16 (72) Автор(ы): САНО, Кентаро (JP), КУРОДА, Таики (JP), МОРИ, Аюми (JP), КАМАЕ, Тосия (JP) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2018/207509 (15.11.2018) A Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" R U (57) Формула изобретения 1. Композиция эпоксидной смолы, содержащая представленные ниже составные части [A], [B] и [C] и удовлетворяющая условиям (i) и (ii): [A] три– и более высокофункциональная эпоксидная смола [B] ароматический амин [C] имидазольное соединение (i) 0,20≤b/a≤0,60 (ii) 0,002≤c/a≤0,014, где а (моль) обозначает количество эпоксидных групп на 100 г совокупной композиции эпоксидной смолы, b (моль) обозначает количество активного атома водорода, содержащегося в составной части [B], а с (моль) обозначает количество имидазольных колец, содержащихся в составной части [C]. 2. Композиция эпоксидной смолы по п. 1, где составная часть [A] содержится в количестве в диапазоне от 60 до 100 массовых частей на 100 массовых частей всех эпоксидных смол. 3. Композиция эпоксидной смолы по п. 1 или 2, где в качестве составной части [A] содержится [A1] тетракис(гидроксифенил)этановая эпоксидная смола. 4. Композиция эпоксидной смолы по п. 3, где составная часть [A] содержится в количестве в диапазоне от 10 до 50 массовых частей на 100 массовых частей всех Стр.: 1 A 2 0 1 9 1 3 9 6 7 1 (54) КОМПОЗИЦИЯ ЭПОКСИДНОЙ СМОЛЫ, ПРЕПРЕГ, ФИБРОАРМИРОВАННЫЙ КОМПОЗИТНЫЙ МАТЕРИАЛ И СПОСОБ ЕГО ПРОИЗВОДСТВА 2 0 1 9 1 3 9 6 7 1 JP 2018/014538 (05.04.2018) эпоксидных смол. 5 ...

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12-05-2020 дата публикации

Epoxy resin compositions and fiber-reinforced composite materials obtained therefrom

Номер: RU2720681C2
Принадлежит: Торэй Индастриз, Инк.

FIELD: production of composite materials. SUBSTANCE: invention relates to a composition of epoxy resin intended for producing a composite material, a prepreg and a composite material reinforced with carbon fiber, which can be used in sports, aeronautical, space and various industrial fields. Epoxy resin composition contains components [A], [B], [C] and [D]. Component [A] is an aromatic epoxy resin containing two or more epoxy-functionalities. Component [B] is an amine curing agent of diaminodiphenyl sulphone. Component [D] is a cycloaliphatic epoxy resin of formula (I): (I), wherein Y is a single bond or a divalent moiety selected from a group comprising O, C(CH 3 ) 2 , CH 2 , an oxirane ring and having molecular weight less than 45 g/mol. Component [C] is a latent acid catalyst—an onium salt of formula (II): (II). Prepreg contains carbon fibers impregnated with said composition. Prepreg hardens the composite material reinforced with carbon fiber and contains the cured product. EFFECT: invention enables to obtain a cured material obtained as a result of heating, which is characterized by high level of heat resistance and high strength properties. 17 cl, 2 tbl, 18 ex, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 720 681 C2 (51) МПК C08G 59/24 (2006.01) C08L 63/00 (2006.01) C08J 5/24 (2006.01) B32B 27/38 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08G 59/24 (2020.02); C08L 63/00 (2020.02); C08J 5/24 (2020.02); B32B 27/38 (2020.02) (21)(22) Заявка: 2018106888, 26.08.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: 12.05.2020 (73) Патентообладатель(и): ТОРЭЙ ИНДАСТРИЗ, ИНК. (JP) 27.08.2015 US 62/210,547; 19.05.2016 US 62/338,742 (43) Дата публикации заявки: 30.09.2019 Бюл. № 28 (56) Список документов, цитированных в отчете о поиске: RU 2395537, C2, 27.07.2010. JP 2001019746, A, 23.01.2001. WO 2014/129343, A1, 28.08.2014. (45) Опубликовано: 12.05.2020 Бюл. № 14 (86) Заявка PCT: C 2 ...

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02-08-2019 дата публикации

掺杂金属合金的石墨烯导电导热薄膜材料及其制备方法

Номер: CN106189229B
Автор: 张伟
Принадлежит: Individual

本发明公开了掺杂金属合金的石墨烯导电导热薄膜材料,由下列重量份的原料制成:石墨烯35‑50份、镍合金5‑8份、镁合金3‑6份、铝合金3‑7份、聚酰亚胺5‑12份、聚砜4‑9份、玻璃纤维4‑10份、1,2‑聚丁二烯3‑8份、硫代二丙酸双十二烷酯3‑7份、二甘醇5‑12份、硝酸亚铁5‑9份、柠檬酸三丁酯4‑10份、乙烯基甲醚2‑7份、三聚氰胺磷酸酯2‑5份、分散剂3‑6份、偶联剂5‑10份、热稳定剂4‑9份。制备而成的掺杂金属合金的石墨烯导电导热薄膜材料,其性能可靠,导电率高,导热性能良好。同时,还公开了这种掺杂金属合金的石墨烯导电导热薄膜材料的制备方法。

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20-06-2019 дата публикации

Maleimide resin composition, prepreg, cured product thereof and semiconductor device

Номер: JPWO2018025921A1
Принадлежит: Nippon Kayaku Co Ltd

マレイミド化合物と下記構造を有するスルホニル化合物を含む、エポキシ樹脂と同等の硬化プロセスで硬化可能であり、200℃以下での成型性(硬化性)、250℃以上の耐熱性、250℃での高い熱安定性と高い弾性率の維持、及び、低誘電・低誘電正接を達成できるマレイミド樹脂組成物を提供する。 It is curable by a curing process equivalent to an epoxy resin containing a maleimide compound and a sulfonyl compound having the following structure, moldability at 200 ° C. or less (curable), heat resistance at 250 ° C. or more, high heat at 250 ° C. Provided is a maleimide resin composition capable of achieving stability and maintaining a high elastic modulus and achieving low dielectric constant and low dielectric loss tangent.

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30-04-2021 дата публикации

环氧树脂组合物、预浸料坯、以及纤维增强复合材料

Номер: CN112739741A
Принадлежит: TORAY INDUSTRIES INC

本发明涉及用于纤维增强复合材料的环氧树脂组合物,其包含如下组成组分(A)、(B)和(C)。组分(A)包含至少一种聚萘型环氧树脂,组分(B)包含至少一种脂环族环氧树脂和/或二乙烯基芳烃二环氧化物树脂;组分(C)包含至少一种胺类固化剂。包含特定类型的环氧树脂和固化剂的具体组合的该环氧树脂组合物提供了在极端环境条件下的高耐热性和高弯曲模量。更具体地,通过环氧树脂组合物制备的经固化的树脂提供了适用于制造用于飞机部件、航天器部件、汽车部件、人造卫星部件、工业部件等的良好平衡的机械性能的纤维增强复合材料。

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20-04-2018 дата публикации

环氧树脂组合物及由其制造的纤维增强复合材料

Номер: CN107949594A
Принадлежит: TORAY INDUSTRIES INC

本发明涉及环氧树脂组合物,其用于纤维增强复合材料,所述环氧树脂组合物至少包含以下构成成分[A]、[B]、[C]及[D]:[A]式(I)表示的脂环式环氧树脂以外的至少一种环氧树脂;[B]至少一种胺固化剂;[C]至少一种潜在酸催化剂;及[D]至少一种式(I)表示的脂环式环氧树脂,式中,Y为单键、或者表示分子量小于45g/mol的二价结构。该环氧树脂组合物在纤维增强复合材料的成型中有用。更具体而言,能够提供通过加热而得到的经固化的材料具有高水平的耐热性及强度特性的用于纤维增强复合材料的环氧树脂组合物。

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08-07-2016 дата публикации

Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof

Номер: KR101637267B1

본 발명은 양이온 교환기를 갖는 폴리(아릴렌에테르) 공중합체, 이의 제조방법 및 이의 용도에 관한 것이다. 본 발명에 따른 양이온 교환기를 갖는 폴리(아릴렌에테르) 공중합체는 물리적 특성, 이온 교환능 및 금속이온 흡착능이 우수할 뿐만 아니라, 가공성이 우수하여 다양한 형태로 성형될 수 있어 유가 금속의 회수, 공기 정화, 촉매, 수 처리, 의약 분야 및 단백질 분리 등 다양한 분야에서 광범위하게 응용될 수 있을 것으로 기대된다. The present invention relates to poly (arylene ether) copolymers with cation-exchange groups, their preparation and their uses. The poly (arylene ether) copolymer having a cation exchanger according to the present invention has excellent physical properties, ion exchange capacity and metal ion adsorption ability, and is excellent in workability and can be molded into various forms, , Catalyst, water treatment, medicine field, protein separation and so on.

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03-08-2018 дата публикации

一种导热树脂组合物及其制备方法

Номер: CN103965616B
Автор: 杨桂生, 赵陈嘉

本发明属于高分子复合材料,涉及一种导热树脂组合物及其制备方法。该材料由包含以下重量份的组分制成:100重量份热塑性树脂,5~40重量份氮化硼纤维填充的树脂母料,2~50重量份碳化硼粒子,0.2~1重量份偶联剂,0.1~0.5重量份润滑剂,0.1~1重量份抗氧剂。本发明制得的树脂组合物具有高导热性和高机械强度;由所述树脂组合物,可以容易地获得具有高导热性的构件,尤其是电气和电子部件中的构件。氮化硼导热纤维在组合物中起到了“桥梁”的作用,把单独分散在基体树脂中的导热填料颗粒粘接在一起,把孤立的导热单元连接成大的导热网络,使得填料组分间更容易形成导通网络,导热性能大大增加。

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29-03-2019 дата публикации

一种烟用爆珠疏水膜材料及其制备方法

Номер: CN109535489A

本发明提供一种烟用爆珠疏水膜材料,是由以下组分和重量份的原料组成:成膜材料5‑30份,溶剂70‑95份,所述成膜材料为聚氟硅烷、乙基纤维素、直链淀粉、聚醚砜的一种或几种的组合,所述溶剂为水、乙醇、乙酸乙酯、二氯甲烷的任一种或几种组合。本发明还提供一种烟用爆珠疏水包裹材料的制备方法。本发明以疏水性成膜材料作为爆珠壁材的原料,制成的爆珠可以包裹水溶性成分,而且可以完全避免吸湿现象的发生;采用本发明制得的爆珠包裹材料脆性好,产品质量高;本发明具有原料安全无毒、来源广泛、制作方法简单等优点。

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22-01-2019 дата публикации

Composite materials with electrically conductive and delamination resistance properties

Номер: RU2678043C1

FIELD: technological processes.SUBSTANCE: invention relates to fiber-reinforced polymer composites for use in the aerospace industry. Described herein is a curable composite material containing: at least two layers of reinforcement fibers impregnated with a curable matrix resin; and at least one interlayer region formed between adjacent layers of reinforcement fibers, while the interlayer region contains (I) carbon-based nanoscale structures dispersed in the curable matrix resin, and (II) insoluble polymeric toughening particles enclosed in the same curable matrix resin, wherein nanoscale structures based on carbon are at least one size smaller than 100 nm (0.1 mcm), polymeric reinforcing particles selected from toughening particles, elastomeric particles or cross-linked particles, polymeric toughening particles have an average size (d50) that is at least 100 times larger than the smallest size of carbon-based nanoscale structures, and the average particle size is in the range of 10–100 mcm, polymeric toughening particles are insoluble in the curable matrix resin in the interlayer region during curing of the composite material and remain discrete particles after curing, and after curing, the composite material has an electrical conductivity in the z-direction of more than 1 S/m, compressive strength after impact (CAI), after an impact of 30 J, more than 250 MPa when measured in accordance with ASTM7136/37 and interlayer fracture strength of type I (G) of more than 300 J/mwhen measured in accordance with EN6033. Also described are methods for producing a curable composite material and a method for producing a composite structure.EFFECT: composite material with high impact strength and resistance to delamination, contributing to the prevention of the "marginal discharge" phenomenon.24 cl, 13 dwg, 9 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 678 043 C1 (51) МПК C08J 5/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ ...

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19-01-2012 дата публикации

Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof

Номер: KR20120006764A

본 발명은 양이온 교환기를 갖는 폴리(아릴렌에테르) 공중합체, 이의 제조방법 및 이의 용도에 관한 것이다. 본 발명에 따른 양이온 교환기를 갖는 폴리(아릴렌에테르) 공중합체는 물리적 특성, 이온 교환능 및 금속이온 흡착능이 우수할 뿐만 아니라, 가공성이 우수하여 다양한 형태로 성형될 수 있어 유가 금속의 회수, 공기 정화, 촉매, 수 처리, 의약 분야 및 단백질 분리 등 다양한 분야에서 광범위하게 응용될 수 있을 것으로 기대된다.

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10-08-2018 дата публикации

A kind of polycarbonate composite material of high conductivity and preparation method thereof

Номер: CN108384213A

本发明提供一种高导电率的聚碳酸酯复合材料及其制备方法,其中,所述聚碳酸酯复合材料按重量份计包括如下组分:PC树脂40‑60份、导电母粒10‑30份、补强填料10‑30份、增韧剂2‑6份、第一抗氧化剂0.08‑1.5份以及第一润滑剂0.05‑3.0份,其中,所述导电母粒按重量份计包括如下组分:热塑性树脂40‑70份、导电填料30‑50份、第二抗氧剂0.1‑0.6以及第二润滑剂0.5‑2份。本发明聚碳酸酯复合材料具有极佳的导电性能,体积电阻率可达到10 2 Ω・m。同时,导电填料物质添加比例较低,导电填料的添加量为10%左右时,体积电阻率即可达到10 4 Ω・m以下,而复合材料却可以保持较好的机械性能。此外,还具有较高的流动性和低翘曲性,适用于注塑大尺寸制件。

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