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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 4805. Отображено 100.
15-03-2012 дата публикации

Release-agent-resistant fixing belts, fixing devices and methods of making fixing belts

Номер: US20120063824A1
Автор: Augusto E. Barton, Kevin H. Taft, Sandra L. Schmitt
Принадлежит: Xerox Corp

Fixing belts, fixing devices and methods of making fixing belts are provided. An exemplary embodiment of the fixing belts includes an inner layer comprising a first surface forming an inner surface of the fixing belt and a second surface opposite to the first surface, the inner layer comprising a first polymer; an intermediate layer overlying the second surface of the inner layer, the intermediate layer including a third surface, a first end face and a second end face opposite to the first end face, the intermediate layer comprising silicone rubber; and an outer layer including a fourth surface forming an outer surface of the fixing belt, the outer layer overlying the third surface, the first end face, the second end face and portions of the second surface disposed outward from the first end face and second end face, the outer layer comprising a second polymer. The outer layer seals and protects the intermediate layer from exposure to a liquid release agent applied to the fourth surface.

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Номер записи: 1
26-04-2012 дата публикации

Polyimide polyphenylsulfone blends with improved flame resistance

Номер: US20120100324A1
Автор: Mark Sanner, Rajendra K. Singh, Robert Russell Gallucci
Принадлежит: Robert Russell Gallucci, SANNER Mark, Singh Rajendra K

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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Номер записи: 2
04-04-2013 дата публикации

Film Coatings Based on Polyalkylimine Condensation Polymers

Номер: US20130084437A1
Автор: Dennis E. Mcgee
Принадлежит: ExxonMobil Oil Corp

Provided is a composition, preferably VOC-free, comprising the condensation product of a polyalkylimine and one or more amine-reactive molecules, and films coated with the condensation product. The coatings are applied to the films to provide a dried coating weight of less than 0.30 g/m 2 . Preferred amine-reactive molecules include acetylacetonate, methyl acetonate, ethyl acetoacetonate, glycidyl methacrylate, methyl methacrylate, and mixtures thereof.

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Номер записи: 3
02-01-2020 дата публикации

Ion selective membrane with ionophores

Номер: US20200001251A1
Автор: Brian M. McDonald, Ethan DEMETER, Michael James Connor, Jr.
Принадлежит: Magna Imperio Systems Corp

The present disclosure is directed an ion exchange membrane that has an increased affinity for a specific ionic species. The ion exchange membranes disclosed herein include ionophores that can increase ion-selectivity. These ion exchange membranes can be incorporated to various ion-exchange systems or devices that can selectively separate ions of value.

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Номер записи: 4
03-01-2019 дата публикации

ANTIFOULING FILM

Номер: US20190001612A1
Автор: HAYASHI Hidekazu, NIINOH Atsushi
Принадлежит:

The antifouling film includes a polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light. The polymer layer has a proportion of the number of fluorine atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 33 atom % or more on the surface of the uneven structure. The polymer layer has at least one local maximum of the proportion of the number of nitrogen atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms in a region 5 to 90 nm deep from the surface of the uneven structure. The local maximum is 0.3 atom % or more greater than the average value in a region 90 to 120 nm deep from the surface of the uneven structure. 1. An antifouling film comprisinga polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light,the polymer layer being a cured product of a resin containing an antifouling agent and a curable resin and containing carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms as constituent atoms,the antifouling agent containing fluorine atoms as constituent atoms,the curable resin containing nitrogen atoms as constituent atoms,fluorine atoms in the antifouling agent being distributed on the surface of the polymer layer,the polymer layer having a proportion of the number of the fluorine atoms relative to the sum of the numbers of the carbon atoms, the nitrogen atoms, the oxygen atoms, and the fluorine atoms measured by X-ray photoelectron spectroscopy of 33 atom % or more on the surface of the uneven structure,the polymer layer having at least one local maximum of the proportion of the number of the nitrogen atoms relative to the sum of the numbers of the carbon atoms, the nitrogen atoms, the oxygen atoms, and the fluorine atoms measured by X-ray ...

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Номер записи: 5
07-01-2021 дата публикации

RESIN POWDER, SEALING MATERIAL, ELECTRONIC COMPONENT, AND RESIN POWDER MANUFACTURING METHOD

Номер: US20210002434A1
Автор: BABA Daizou, TAKASHIRO Junichi, TSUZUKI Takanori
Принадлежит: Panasonic Intellectual Property Management Co., Ltd.

Resin powder includes aggregates of spherical particles of a resin composition. The resin composition contains: a resin component including a thermosetting resin; and a non-resin component including at least one electrically insulative inorganic particle and/or at least one magnetic particle. 1. Resin powder comprising aggregates of spherical particles of a resin composition ,the resin composition containing: 'a non-resin component including at least one electrically insulative inorganic particle and/or at least one magnetic particle.', 'a resin component including a thermosetting resin; and'}2. The resin powder of claim 1 , wherein 'a core including the at least one electrically insulative inorganic particle and the resin component covering the core.', 'each of the spherical particles includes'}3. The resin powder of claim 1 , wherein 'a core including the at least one magnetic particle and the resin component covering the core.', 'each of the spherical particles includes'}4. The resin powder of claim 1 , whereinin volume particle size distribution, a mean particle size of the resin powder is larger than or equal to 10 μm and smaller than or equal to 200 μm.5. The resin powder of claim 1 , whereinin the volume particle size distribution, a ratio of the spherical particles whose particle size is larger than or equal to 50 μm and smaller than or equal to 100 μm to the resin powder is greater than or equal to 70 wt. %.6. The resin powder of claim 1 , whereinthe volume particle size distribution has one frequency peak.7. The resin powder of claim 1 , whereinan average circularity of the aggregates is greater than or equal to 0.90 and less than or equal to 1.00.8. The resin powder of claim 1 , whereinthe resin component is in an uncured state.9. The resin powder of claim 1 , whereinthe resin powder further contains nanofiller.10. The resin powder of claim 9 , whereina content of the nanofiller is greater than or equal to 0.1 wt. % and less than or equal to 2 wt. % with ...

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Номер записи: 6
03-01-2019 дата публикации

THERMALLY CONDUCTIVE TYPE POLYIMIDE SUBSTRATE

Номер: US20190002641A1
Автор: Chen Po-cheng, Huang Tang-Chieh
Принадлежит:

A thermally conductive type polyimide substrate is provided. The substrate comprises at least one insulating layer having a metal layer on a single side or both sides thereof. The material of the insulating layer is a thermally conductive type photosensitive resin having a thermal conductivity of 0.4 to 2, and the thermally conductive type photosensitive resin includes the following components: (a) a photosensitive polyimide, (b) an inorganic filler, and (c) a silica solution. The photosensitive polyimide accounts for 50 to 70% of a total weight of a solid composition of the thermally conductive type photosensitive resin. The inorganic filler accounts for 20-30% of the total weight of the solid composition of the thermally conductive type photosensitive resin, and has a particle size between 40 nm and 5 μm. The silica solution comprises silica particles polymerized by a sol-gel process, and the silica particles have a particle size between 10 nm and 15 nm and account for 5 to 30% of the total weight of the solid composition of the thermally conductive type photosensitive resin. 2. The thermally conductive type polyimide substrate of claim 1 , wherein the thermally conductive type photosensitive resin further includes a photo-crosslinking agent containing an acrylic resin.3. The thermally conductive type polyimide substrate of claim 1 , wherein the thermally conductive type photosensitive resin further includes a thermal crosslinking agent claim 1 , which includes a phenolic compound claim 1 , an alkoxymethylamine resin claim 1 , or an epoxy resin.4. The thermally conductive type polyimide substrate of claim 1 , wherein the inorganic filler of the thermally conductive type photosensitive resin is boron nitride or aluminum nitride.8. The thermally conductive type polyimide substrate of claim 1 , wherein the silica particles of the thermally conductive type photosensitive resin account for 7.5 to 15% of the total weight of the solid composition of the thermally ...

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Номер записи: 7
03-01-2019 дата публикации

REINFORCED FOAM STRUCTURE, AND ASSOCIATED METHOD OF FORMING, AND ARTICLE

Номер: US20190002663A1
Автор: Dikeman Erin M., Klinedinst Keith, Teutsch Erich Otto, Zuber Peter
Принадлежит:

A structure includes a thermoplastic foam body having first and second major surfaces, and channels extending partially or fully through the foam body and terminating at one or both major surfaces. The surfaces of some or all of the channels are reinforced, providing the structure with increased compressive strength. The structure, which can include a skin on either or both of the major surfaces, is useful for forming aviation interior components, including aviation overhead containers, aviation interior wall panels, and aviation trays. 1. A structure comprising:a foam body comprising a thermoplastic foam comprising a polyetherimide, wherein the foam body comprises a first major surface and second major surface opposite the first major surface;wherein the first major surface and the second major surface each independently define a plurality of openings, the foam body defining channels extending partially or fully through the foam body, with each channel extending from an opening in the first major surface, an opening in the second major surface, or a pair of openings, one in the first major surface and the other in the second major surface;wherein at least a portion of the channels comprise an inward-facing channel surface reinforced by passing a heating element through the channels comprising the inward-facing channel surface;wherein the structure is characterized by a compressive strength greater than a compressive strength of the structure prior to passing the heating element through the channels comprising the inward-facing channel surface, wherein compressive strength is determined according to ASTM D695-15;wherein the foam body is characterized by a void content of 65 to 95 volume percent, wherein the void content does not include the channels through the foam body;the foam body further comprises an adhesive layer adhered to the first major surface, and a skin layer adhered to a surface of the adhesive layer opposite the first major surface; andthe skin layer ...

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Номер записи: 8
12-01-2017 дата публикации

HALOGEN-FREE FLAME RETARDANT TYPE RESIN COMPOSITION

Номер: US20170009074A1
Автор: He Yueshan, Wang Biwu, XI Long
Принадлежит: SHENGYI TECHNOLOGY CO., LTD.

The present invention relates to a halogen-free flame-retardant resin composition, based on the weight parts of organic solids, comprising (A) from 1 to 10 parts by weight of bismaleimide resin, (B) from 30 to 60 parts by weight of benzoxazine resin, (C) from 10 to 40 parts by weight of polyepoxy compound, (D) from 5 to 25 parts by weight of phosphorous-containing flame retardant, and (E) from 1 to 25 parts by weight of curing agent, which is amine curing agent and/or phenolic resin curing agent. The present invention further provides prepregs, laminates, laminates for printed circuits prepared from said resin composition. 1. A halogen-free flame-retardant resin composition , based on the weight parts of organic solids , comprising (A) from 1 to 10 parts by weight of bismaleimide resin , (B) from 30 to 60 parts by weight of benzoxazine resin , (C) from 10 to 40 parts by weight of polyepoxy compound , (D) from 5 to 25 parts by weight of phosphorous-containing flame retardant , and (E) from 1 to 25 parts by weight of curing agent , which is amine curing agent and/or phenolic resin curing agent.3. The composition according to claim 1 , characterized in that the benzoxazine resin is any one selected from the group consisting of bisphenol-A benzoxazine resin claim 1 , bisphenol-F benzoxazine resin claim 1 , phenolphthalein benzoxazine resin and MDA benzoxazine resin claim 1 , or a combination of at least two selected therefrom.4. The composition according to claim 1 , characterized in that the polyepoxy compound is any one selected from the group consisting of bisphenol-A epoxy resin claim 1 , bisphenol-F epoxy resin claim 1 , phenol novolac epoxy resin claim 1 , o-cresol formaldehyde epoxy resin claim 1 , bisphenol-A novolac epoxy resin claim 1 , epoxy resin having biphenyl structure claim 1 , epoxy resin having aralkyl structure claim 1 , dicyclopentadiene epoxy resin claim 1 , halogen-free epoxy resin having oxazolidinone ring or epoxidised polybutadiene claim 1 , or ...

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Номер записи: 9
18-01-2018 дата публикации

An Epoxy Resin Composition, Prepreg and Laminate Prepared Therefrom

Номер: US20180016387A1
Автор: HE Liexiang, XU Haosheng, Zeng Xianping
Принадлежит:

The present invention relates to an epoxy resin composition, comprising the following components: (A) an epoxy resin containing oxazolidinone structure having the structure of the formula (1), (B) an active ester curing agent, and (C) a curing accelerator. The epoxy composition, prepreg, laminate and printed circuit board prepared from such epoxy composition have the following features of low coefficient of thermal expansion, low dielectric loss factor Df less than or equal to 0.0084, low water absorption and excellent moisture and heat resistance. 4. The epoxy resin composition according to claim 1 , characterized in that R and R′ are the same.5. The epoxy resin composition according to claim 1 , characterized in that the component (B) active ester curing agent is obtained by reacting a phenolic compound linked via aliphatic cyclic hydrocarbon structure claim 1 , a difunctional carboxylic aromatic compound or an acidic halide with a monohydroxy compound.6. The epoxy resin composition according to claim 1 , characterized in that the epoxy resin composition further comprises cyanate ester resin.7. The epoxy resin composition according to claim 1 , characterized in that the epoxy resin composition further comprises a filler which is an organic filler or/and an inorganic filler.8. A prepreg comprising a reinforcing material and the epoxy resin composition according to attached thereon after impregnation and drying.9. A laminate comprising at least one sheet of the prepreg according to .10. (canceled)11. The epoxy resin composition according to claim 1 , characterized in that the component (A) epoxy resin containing oxazolidinone structure is an epoxy resin containing oxazolidinone structure and having bisphenol-A and/or tetrabromobisphenol-A structure.12. The epoxy resin composition according to claim 1 , characterized in that the component (A) epoxy resin containing oxazolidinone structure and the component (B) active ester curing agent have an epoxide equivalent/ ...

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Номер записи: 10
15-01-2015 дата публикации

POLYIMIDE FILM AND FABRICATION METHOD THEREOF

Номер: US20150018484A1
Автор: Lin Chih-Wei, Tsai Meng-Ying
Принадлежит: Taimide Technology Incorporation

A polyimide film includes a polyimide polymer forming a main molecular structure of the polyimide film, and polyimide particles present in the polyimide film at a weight ratio between about 15 wt % and 30 wt % of a total weight of the polyimide film, the polyimide particles having an average diameter between about 3 μm and 8 μm. The polyimide film can have a 60° gloss value equal to or smaller than 10, a haze equal to or higher than 90%, and a Young's modulus equal to or higher than 280 kgf/mm. In some embodiments, methods of fabricating the polyimide film are also described. 1. A polyimide film comprising:a polyimide polymer forming a main molecular structure of the polyimide film; andpolyimide particles present in the polyimide film at a weight ratio between about 15 wt % and 30 wt % of a total weight of the polyimide film, the polyimide particles having an average diameter between about 3 μm and 8 μm.2. The polyimide film according to claim 1 , having a 60° gloss value equal to or smaller than 10.3. The polyimide film according to claim 1 , having a haze equal to or higher than 90%.4. The polyimide film according to claim 1 , having a Young's modulus equal to or higher than 280 kgf/mm.5. The polyimide film according to claim 1 , having a 60° gloss value equal to or smaller than 10 claim 1 , a haze equal to or higher than 90% claim 1 , and a Young's modulus equal to or higher than 280 kgf/mm.6. The polyimide film according to claim 1 , wherein the polyimide particles are obtained by reacting diamine monomers with dianhydride monomers claim 1 , the diamine monomers being selected from a group consisting of phenylenediamine (PDA) claim 1 , oxydianiline (ODA) and 2-(4-aminophenyl)-5-amino benzimidazole (PBOA) claim 1 , and the dianhydride monomers being selected from a group consisting of 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-biphenyltetracarboxylic dianhydride (BPDA) and pyromellitic dianhydride (PMDA).7. The polyimide film according to claim 1 , wherein the ...

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Номер записи: 11
17-01-2019 дата публикации

COMPOSITE MATERIAL WITH THERMOPLASTIC TOUGHENED NOVOLAC-BASED EPOXY RESIN MATRIX

Номер: US20190016861A1
Автор: Boyle Maureen, Emmerson Gordon, Leandro Jessica, Wang Yen-Seine, ZHU Yan
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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Номер записи: 12
19-01-2017 дата публикации

POLYMER ELECTROLYTE MEMBRANE, CATALYST COATED MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL

Номер: US20170018793A1
Автор: Izuhara Daisuke, Kunita Tomoyuki, Umeda Hiroaki
Принадлежит:

A polymer electrolyte composition is excellent in practicality which has such an excellent chemical stability as to be able to withstand a strong oxidizing atmosphere during operation of a fuel cell and is capable of achieving excellent proton conductivity under a low-humidified condition and excellent mechanical strength and physical durability as well as a polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell which use the polymer electrolyte composition. The polymer electrolyte membrane is a polymer electrolyte membrane that contains at least an ionic group-containing polymer electrolyte and a polyazole, which is a polymer electrolyte membrane in which a phase separation of 2 nm or larger in which the polyazole is a main component is not observed in transmission type electron microscopic observation. 115- (canceled)16. A polymer electrolyte membrane containing an ionic group-containing polymer electrolyte and a polyazole , which is a polymer electrolyte membrane in which a phase separation of 2 nm or larger in which the polyazole is a main component is not observed in transmission type electron microscopic observation.17. The polymer electrolyte membrane according to claim 16 , wherein weight-average molecular weight of the polyazole is greater than or equal to 500 and less than or equal to 300 thousand.18. The polymer electrolyte membrane according to claim 16 , wherein content of the polyazole is greater than or equal to 0.002 wt % and less than or equal to 15 wt % of an entire non-volatile component of the polymer electrolyte membrane.19. The polymer electrolyte membrane according to claim 16 , wherein the ionic group-containing polymer electrolyte is an ionic group-containing aromatic hydrocarbon based polymer.20. The polymer electrolyte membrane according to claim 16 , wherein the ionic group-containing polymer electrolyte is a block copolymer that contains one or more of each of a segment (A1) containing an ionic ...

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Номер записи: 13
26-01-2017 дата публикации

Monolithic, super heat-insulating, organic aerogel composition preparation method, said composition, and the use thereof

Номер: US20170022345A1
Автор: Benjamin Swoboda, Bruno Dufour, Cedric HUILLET, Florian FANNECHERE, Nadine Poupa
Принадлежит: HUTCHINSON SA

The invention relates to a process for preparing a gelled, dried composition forming a monolithic aerogel with a heat conductivity of less than or equal to 40 mW·m −1 ·K −1 and derived from a resin of polyhydroxybenzene(s) and formaldehyde(s), to this aerogel composition and to the use thereof. This process comprises: a) polymerization in an aqueous solvent of said polyhydroxybenzene(s) and formaldehyde(s) in the presence of an acidic or basic catalyst, to obtain a solution based on the resin, b) gelation of the solution obtained in a) to obtain a gel of the resin, and c) drying of the gel to obtain a dried gel. According to the invention, step a) is performed in the presence of a cationic polyelectrolyte dissolved in this solvent, and the process also comprises a step d) of heat treatment under inert gas of the dried gel obtained in step c) at temperatures of between 150° C. and 500° C. to obtain the non-pyrolyzed aerogel whose heat conductivity is substantially unchanged, even after exposure to a humid atmosphere.

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Номер записи: 14
10-02-2022 дата публикации

TOUGHENED COMPOSITE MATERIALS CAPABLE OF DELAMINATION PROPAGATION RESISTANCE

Номер: US20220041825A1
Автор: AERTS Vincent, AURILIA Marco, HOSEIN Hazel-Ann, Lenzi Fiorenzo
Принадлежит:

A curable composite laminate having an interlaminar region formed between adjacent layers of reinforcement fibers. The interlaminar region contains soluble polyimide particles that are dissolvable in the one or more thermoset resins at a curing temperature of the curable matrix resin, and insoluble thermoplastic particles that remain as discrete particles in the interlaminar region at the same curing temperature. Such curable composite laminate is capable of high resistance to the propagation of delamination upon curing. 1. A curable composite laminate comprising:at least two layers of reinforcement fibers impregnated with a first curable matrix resin comprising one or more thermoset resins; andan interlaminar region formed between adjacent layers of reinforcement fibers, the interlaminar region comprising soluble polyimide particles and insoluble thermoplastic particles embedded in a second curable matrix resin that is the same as or different from the first curable matrix resin in composition,whereinthe soluble polyimide particles are dissolvable in the second matrix resin at a curing temperature of the second curable matrix resin and the insoluble thermoplastic particles remain as discrete particles in the interlaminar region at said curing temperature,the curing temperature of the first and second curable matrix resins is in the range of 140° C. to 220° C.,the soluble polyimide particles are formed from an amorphous polyimide, which is a reaction product of an aromatic dianhydride and an aromatic diamine containing an aliphatic or a cycloaliphatic structure, andthe polyimide particles are present in an amount of no more than 2.5% by weight. preferably, 0.5% 2%, based on the total weight of the composite laminate.2. The curable composite laminate of claim 1 , wherein the first and second curable matrix resins comprise one or more epoxy resins and a curing agent.3. The curable composite laminate of claim 1 , wherein the first and second curable matrix resins ...

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Номер записи: 15
23-01-2020 дата публикации

LIQUID CRYSTAL ALIGNING AGENT COMPOSITION, METHOD FOR PREPARING LIQUID CRYSTAL ALIGNMENT FILM USING SAME, AND LIQUID CRYSTAL ALIGNMENT FILM USING SAME

Номер: US20200024521A1
Автор: JO Jung-Ho, KIM Seongku
Принадлежит:

The present invention relates to a liquid crystal aligning agent composition including a terminal modifier of a specific chemical structure together with a polyimide or a precursor polymer thereof. 4. The liquid crystal aligning agent composition of claim 1 , wherein the terminal modifier compound represented by Chemical Formula 1 is present in an amount of 0.1% by weight to 20% by weight claim 1 ,. based on the total weight of the liquid crystal aligning agent composition.10. The liquid crystal aligning agent composition of claim 8 , wherein the second polymer is contained in an amount of 0.5% by weight to 40% by weight claim 8 , based on the total weight of the liquid crystal aligning agent composition.11. A method for preparing a liquid crystal alignment film including the steps of:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'coating the liquid crystal aligning agent composition of onto a substrate to form a coating film;'}drying the coating film;irradiating the dried coating film with light or rubbing the coating film to perform alignment treatment; andheat-treating and curing the alignment-treated coating film.12. The method for preparing a liquid crystal alignment film of claim 11 , wherein the step of drying the coating film is performed at a temperature of 50° C. to 150° C.13. The method for preparing a liquid crystal alignment film of claim 11 , wherein the step of heat-treating and curing the alignment-treated coating film is performed at a temperature of 180° C. to 300° C.14. A liquid crystal alignment film comprising an aligned cured product of the liquid crystal aligning agent composition of .15. A liquid crystal display device comprising the liquid crystal alignment film of . This application is a National Phase entry pursuant to 35 U.S.C. § 371 of PCT/KR2019/000160 filed on Jan. 4, 2019, and claims the benefits of filing date of Korean Patent Application No. 10-2018-0007958 filed with Korean Intellectual Property Office on Jan. 22, 2018, the ...

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Номер записи: 16
29-01-2015 дата публикации

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

Номер: US20150030857A1
Автор: NAKATANI Yasukazu, SHIGENAI Fumiko
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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Номер записи: 17
17-02-2022 дата публикации

Polyimide film for semiconductor package

Номер: US20220049132A1
Автор: Ho Young Park, Kye Ung LEE, Sung Su Kim, Tae Seok Lee
Принадлежит: Ipi Tech Inc

Disclosed is a semiconductor package polyimide film, which may prevent the stripping of a thermoplastic polyimide layer by reducing a difference in the average coefficient of linear thermal expansion between a substrate film and the thermoplastic polyimide layer, and may be readily detached after a reflow process is completed since the thermoplastic polyimide layer to be attached to a lead frame has a glass transition temperature less than or equal to a reflow process temperature.

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Номер записи: 18
04-02-2021 дата публикации

Resin composition, and prepreg, resin-coated film, resin-coated metal foil, metal-clad laminate, and wiring board each obtained using said resin composition

Номер: US20210032424A1
Автор: Hiroaki Umehara, Hiroharu Inoue, Rihoko WATANABE, Yiqun Wang
Принадлежит: Panasonic Intellectual Property Management Co Ltd

A resin composition is provided and contains (A) a thermosetting compound having a styrene structure or a (meth)acrylate structure, and (B) a maleimide compound represented by the following formula (1) (in the formula, p represents an integer of 1 to 10), in which the content ratio of the component (A) to the component (B) is (A):(B)=20:80 to 90:10 in mass ratio.

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Номер записи: 19
04-02-2021 дата публикации

Resin composition, prepreg including the same, laminated plate including the same, resin-coated metal foil including the same

Номер: US20210032462A1
Автор: Changbo SHIM, Hye Rim Park, Hyungsung MIN, Yongseon HWANG
Принадлежит: LG Chem Ltd

The present invention relates to a resin composition including a binder resin and an organic-inorganic composite filler, a prepreg including the same, a laminated plate including the same, and a resin-coated metal foil including the same.

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Номер записи: 20
04-02-2021 дата публикации

RESIN COMPOSITION AND ARTICLE MADE THEREFROM

Номер: US20210032463A1
Автор: SHEN Chenyu, TAN Jue, WANG Rongtao, Zhang Yan
Принадлежит:

A resin composition comprises: an unsaturated bond-containing polyphenylene ether resin; a maleimide resin of Formula (1); and a compound of Formula (2) or Formula (3). The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following improvements can be achieved, including prepreg viscosity variation ratio, stickiness resistance, amount of void after lamination, multi-layer board thermal resistance, glass transition temperature, ratio of thermal expansion, copper foil peeling strength and dissipation factor. 2. The resin composition of claim 1 , comprising:20 to 150 parts by weight of the unsaturated bond-containing polyphenylene ether resin;5 to 40 parts by weight of the maleimide resin of Formula (1); and0.001 to 5 parts by weight of the compound of Formula (2) or Formula (3).3. The resin composition of claim 1 , wherein the unsaturated bond-containing polyphenylene ether resin comprises a vinylbenzyl-containing polyphenylene ether resin claim 1 , a methacrylate-containing polyphenylene ether resin claim 1 , an allyl-containing polyphenylene ether resin claim 1 , a vinylbenzyl-modified bisphenol A polyphenylene ether resin claim 1 , a chain-extended vinyl-containing polyphenylene ether resin or a combination thereof.7. The resin composition of claim 1 , further comprising: an epoxy resin claim 1 , a cyanate ester resin claim 1 , a small molecule vinyl compound claim 1 , an acrylate claim 1 , a phenolic resin claim 1 , a benzoxazine resin claim 1 , a styrene maleic anhydride claim 1 , a polyolefin claim 1 , a polyester resin claim 1 , an amine curing agent claim 1 , a polyamide resin claim 1 , a polyimide resin or a combination thereof.8. The resin composition of claim 1 , further comprising: flame retardant claim 1 , inorganic filler claim 1 , curing accelerator claim 1 , solvent claim 1 , silane coupling agent claim 1 , coloring agent claim 1 , toughening agent or ...

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Номер записи: 21
12-02-2015 дата публикации

Acrylic Resin Composition for Film

Номер: US20150044439A1
Автор: Abe Junichi, OOAIRA Kazuya
Принадлежит: MITSUBISHI RAYON CO., LTD.

The purpose of the present invention is to provide an acrylic resin composition for a film having reduced bleeding and sticking to a roll during formation of an acrylic resin film. The present invention is an acrylic resin composition for a film, the composition comprising: a high-molecular-weight hindered amine-based light stabilizer (A) having a triazine backbone; and an acrylic resin (B). When this acrylic resin composition for a film is used, there is reduced bleeding to a roll surface during film formation, and minimized sticking of the film to the roll. 1. An acrylic resin composition for films , comprising a high-molecular-weight hindered amine-based light stabilizer (A) having a triazine backbone and an acrylic resin (B).3. The acrylic resin composition for films according to claim 1 , wherein the content of the high-molecular-weight hindered amine-based light stabilizer (A) is at least 0.1 parts by mass to no more than 3 parts by mass relative to 100 parts by mass of the acrylic resin (B).4. The acrylic resin composition for films according to claim 1 , wherein an amino group outside of a piperidine backbone in the high-molecular-weight hindered amine-based light stabilizer (A) is a secondary amine or acyclic tertiary amine.5. The acrylic resin composition for films according to claim 1 , wherein an amino group outside of a piperidine backbone in the high-molecular-weight hindered amine-based light stabilizer (A) is an acyclic tertiary amine.6. The acrylic resin composition for films according to claim 1 , wherein the acrylic resin (B) is a rubber-containing polymer obtained by graft polymerizing a monomeric component (B-1-b) containing an alkyl methacrylate as a main component claim 1 , under the presence of a rubber polymer (B1a) obtained by polymerizing a monomeric component (B-1-a) containing an alkyl acrylate as a main component.7. A method of forming a melt extrusion into a film by way of a T-die method claim 1 , comprising melt extruding the acrylic ...

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Номер записи: 22
07-02-2019 дата публикации

POLYURETHANE FOAM AND POLYOL COMPOSITION FOR PRODUCTION OF POLYURETHANE

Номер: US20190040254A1
Автор: NISHIKITA Naoko, SEGUCHI Hideharu
Принадлежит: BRIDGESTONE CORPORATION

The present invention provides a polyurethane foam containing an amine polymer. In addition, the present invention provides a polyol composition for production of a polyurethane containing a polyol and an amine polymer. The amine polymer is preferably at least one selected from the group consisting of a polyvinylamine, a polyvinylalkylamine, a polyalkyleneimine, a polyaniline and salts thereof. 1. A polyurethane foam containing an amine polymer having an amino group in its repeating unit.2. The polyurethane foam according to claim 1 ,wherein the amine polymer is at least one selected from the group consisting of a polyvinylamine, a polyvinylalkylamine, a polyalkyleneimine, a polyaniline and salts thereof.3. The polyurethane foam according to claim 2 ,wherein the amine polymer is a polyethyleneimine.4. The polyurethane foam according to claim 1 ,wherein the polyurethane foam is a seat pad.5. A polyol composition for production of a polyurethane containing a polyol and an amine polymer having an amino group in its repeating unit.6. The polyol composition for production of a polyurethane according to claim 5 ,wherein 0.01 to 5.0 parts by mass of the amine polymer is contained with respect to 100 parts by mass of the polyol.7. The polyol composition for production of a polyurethane according to claim 6 ,wherein the amine polymer is at least one selected from the group consisting of a polyvinylamine, a polyvinylalkylamine, a polyalkyleneimine, a polyaniline and salts thereof.8. The polyol composition for production of a polyurethane according to claim 7 ,wherein the amine polymer is a polyethyleneimine.9. The polyurethane foam according to claim 2 ,wherein the polyurethane foam is a seat pad.10. The polyurethane foam according to claim 3 ,wherein the polyurethane foam is a seat pad. The present elates to a polyurethane foam and a polyol composition for production of a polyurethane. Priority is claimed on Japanese Patent Application No. 2016-62312, filed Mar. 25, 2016, ...

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Номер записи: 23
06-02-2020 дата публикации

POLYIMIDE LAMINATED FILM ROLL BODY AND METHOD FOR MANUFACTURING SAME

Номер: US20200040152A1
Автор: JEONG Hye Won, KIM Kyungjun, YUN Cheolmin
Принадлежит: LG CHEM, LTD.

The present invention relates to a laminated film roll body, around which a laminated film is wound, the laminated film including: a first polyimide film; and a second polyimide film laminated on the first polyimide film and made of a fluorine-based, siloxane-based, or amine-based polyamic acid, wherein the second polyimide film has a glass transition temperature of 350° C. or higher when measured by a temperature elevation rate of 20° C./min. The laminated film roll body can be used in a continuous manufacturing process of a flexible device to improve process yield and efficiency. 1. A roll of a laminated film in which the laminated film is wound , comprisinga first polyimide film anda second polyimide film laminated on the first polyimide film and comprising a cured product of a fluorine-based, siloxane-based or amine-based polyamic acid,wherein the second polyimide film has a glass transition temperature of 350° C. or more as measured at a heating rate of 20° C./min.2. The roll of the laminated film according to claim 1 , wherein the first polyimide film has a thickness of 60 to 500 and the second polyimide film has a thickness of 0.1 to 50 μm.4. The roll of the laminated film according to claim 1 , wherein the first polyimide film has a 1% thermal decomposition temperature of 450° C. or higher claim 1 , a modulus of 9 to 11 GPa claim 1 , a tensile strength of 400 to 600 MPa claim 1 , a yield strength of 130 to 200 MPa claim 1 , a coefficient of thermal expansion (CTE) of −20 ppm/° C. to 20 ppm/° C. in a temperature range of from 100° C. to 500° C.5. The roll of the laminated film according to claim 1 , wherein a residual stress of the roll of the laminated film is 0.1 MPa to 200 MPa.6. The roll of the laminated film according to claim 1 , wherein the second polyimide film comprises a polymerization product of 4 claim 1 ,4′-(hexafluoroisopropylidene)diphthalic acid anhydride claim 1 , pyromellitic acid dianhydride and 2 claim 1 ,2′-bis(trifluoromethyl)benzidine.8 ...

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Номер записи: 24
03-03-2022 дата публикации

Novel Expanding Copolymers

Номер: US20220062116A1
Автор: Wiesbrock Frank, Windberger Matthias Sebastian
Принадлежит:

The present invention relates to expandable, polymerizable compositions comprising at least one benzoxazine and at least one cyclic carbonate, to polymerization products of these expandable, polymerizable compositions, to a process for preparing these polymerization products as well as to uses of these expandable, polymerizable compositions. The present invention is based on the surprising finding that copolymerizing benzoxazine monomers with cyclic carbonate monomers results in novel copolymers having unforeseeably high expansion rates, wherein the properties (e.g. solid/brittle, solid/soft, rubbery) of the resulting copolymers can be easily and reproducibly tuned/adjusted, depending on the ratio of the benzoxazine equivalents/cyclic carbonate equivalents present in the composition and copolymer, respectively. 1. An expandable , polymerizable composition comprising:at least one benzoxazine and at least one cyclic carbonate, wherein the benzoxazine units comprised in the composition are benzoxazine units which are crosslinkable with each other.2. The expandable claim 1 , polymerizable composition according to claim 1 , wherein the benzoxazines are crosslinkable by thiol-ene crosslinking.5. The expandable claim 4 , polymerizable composition according to claim 4 , wherein the cyclic carbonate is ethylene carbonate or propylene carbonate.6. The expandable claim 1 , polymerizable composition according to claim 1 , wherein the benzoxazine is derived from a dihydroxybenzene or a bisphenol claim 1 , preferably selected from the group consisting of hydroquinone claim 1 , Bisphenol A claim 1 , Bisphenol F claim 1 , Bisphenol S claim 1 , Bisphenol M claim 1 , Bisphenol Z claim 1 , Bisphenol AP.7. The expandable claim 1 , polymerizable composition according claim 1 , wherein the ratio of benzoxazine equivalents to cyclic carbonate equivalents in the composition is from 99:1 to 1:99 claim 1 , preferably from 99:1 to 30:70.8. The expandable claim 1 , polymerizable composition ...

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Номер записи: 25
03-03-2022 дата публикации

ORGANIC POLYMER AEROGELS COMPRISING MICROSTRUCTURES

Номер: US20220064397A1
Автор: IRVIN David, JOAQUIN Alysa, SAKAGUCHI Alan
Принадлежит:

An organic polymer aerogel that includes an organic polymer gel matrix and microstructures dispersed or embedded within the aerogel is disclosed. The aerogel can have an at least bimodal pore size distribution comprising a first peak of less than or equal to 65 nm and a second peak greater than or equal to 100 nm. 1. An organic polymer aerogel comprising an organic polymer gel matrix and microstructures dispersed or embedded within the aerogel , wherein the aerogel has an at least bimodal pore size distribution comprising a first peak of less than or equal to 65 nm and a second peak greater than or equal to 100 nm.2. The organic polymer aerogel of claim 1 , wherein the aerogel has a thermal conductivity of less than or equal to 40 mW/m K at a temperature of 20° C.3. The organic polymer aerogel of claim 2 , wherein the aerogel has a thermal conductivity of 10 to 40 mW/m K at a temperature of 20° C.4. The organic polymer aerogel of claim 1 , wherein the aerogel has a thickness of 1 millimeter (mm) or less.5. The organic polymer aerogel of claim 4 , wherein the aerogel has a thickness of 0.125 mm to 1 mm.6. The organic polymer aerogel of claim 1 , wherein the aerogel has a thickness of 1 millimeter (mm) or more.7. The organic polymer aerogel of claim 6 , wherein the aerogel has a thickness of 1 mm to 50 mm.8. The organic polymer aerogel of claim 1 , wherein the first peak is 1 nm to 15 nm.9. The organic polymer aerogel of claim 1 , wherein the second peak is 100 nm to 500 nm.10. The organic polymer aerogel of claim 1 , wherein the microstructures comprise carbon particles.11. The organic polymer aerogel of claim 1 , wherein the microstructures comprise inorganic microstructures.12. The organic polymer aerogel of claim 11 , wherein the inorganic microstructures comprise glass fibers.13. The organic polymer aerogel of claim 1 , wherein the microstructures are polymeric microstructures.14. The organic polymer aerogel of claim 13 , wherein the polymeric microstructures ...

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Номер записи: 26
14-02-2019 дата публикации

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

Номер: US20190048500A1
Автор: Gillespie, Heider Dirk, JR. John W., Tierney John, Vanarelli Alex, Yarlagadda Shridhar
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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Номер записи: 27
03-03-2016 дата публикации

POLYCARBONATE FILMS FOR CAPACITORS, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

Номер: US20160060403A1
Автор: Bolvari Anne E., Mahood James Alan, Niemeyer Matthew Frank, PFEIFFENBERGER NEAL, SANNER Mark A.
Принадлежит:

A film comprises a phthalimidine copolycarbonate comprising first repeating units and second repeating units different from the first repeating units, wherein the first repeating units are phthalimidine carbonate units 2. The film of claim 1 , wherein the film has one or more of the following properties:a thickness of more than 0 to less than 10 micrometers; anda length of at least 10 meters and a width of at least 300 millimeter and at least 80% of the area of the film is a wrinkle-free region, preferably a length of 100 to 10,000 meter, and a width of 300 to 3,000 millimeter.3. The film of claim 1 , wherein the film has at least one of the following properties:the film has a surface resistivity greater than 0.1 Ohm per square to 100 Ohm per square measured according to ASTMD257;the dielectric constant change of the film from −40° C. to 140° C. at 1 kHz is less than 10% of the dielectric constant value at 23° C.;a change of the dissipation factor at 1 kHz from 0° C. to 140° C. is less than 1%; the dissipation factor is less than 1% from 1 kHz to 100 kHz at 23° C. and 50% relative humidity;the breakdown strength difference of the film from 23° C. to 100° C. is less than 10% from the value measured at 23° C. measured according to ASTM D149; andthe difference in capacitance at 1 kHz is less than +/−5% from 0° C. to 100° C. based on the value at 23° C.6. (canceled)7. The film of claim 1 , wherein the phthalimidine copolycarbonate is an N-phenylphenolphthaleinylbisphenol claim 1 , 2 claim 1 ,2-bis(4-hydro)-bisphenol A copolycarbonate.8. The film of claim 1 , wherein the film comprises a crosslinked phthalimidine copolycarbonate claim 1 , and wherein the film exhibits a breakdown strength from 5 to 50% more compared to a film comprising of an uncrosslinked phthalimidine copolycarbonate.9. The film of claim 1 , wherein the film comprises a branched phthalimidine copolycarbonate wherein the film exhibits a breakdown strength from 5 to 50% more compared to a film comprising ...

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Номер записи: 28
21-02-2019 дата публикации

MULTILAYER BARRIER FILMS

Номер: US20190055370A1
Автор: KAWAKAMI Ellison G., Lyons Christopher S., Pieper Joseph M., Priolo Morgan A., VAN LENGERICH Henrik B.
Принадлежит:

A barrier film. The barrier film may include a substrate, an inorganic layer disposed on a side of the substrate, and an organic layer-by-layer structure disposed on a side of the inorganic layer, where in the organic layer-by-layer structure comprises a layer of a cationic polyelectrolyte and a layer of an anionic polyelectrolyte. 1. A barrier film comprising:a substrate;an inorganic layer disposed on a side of the substrate; andan organic layer-by-layer structure disposed on a side of the inorganic layer, wherein the organic layer-by-layer structure comprises a layer of a cationic polyelectrolyte and a layer of an anionic polyelectrolyte.2. The barrier film of claim 1 , further comprising a planarization layer disposed on a side of the substrate.3. The barrier film of claim 1 , wherein the substrate comprises a polymeric film.4. The barrier film of claim 3 , wherein the polymeric film is selected from polyolefins claim 3 , halogenated polyolefins claim 3 , polyamides claim 3 , polystyrenes claim 3 , nylon claim 3 , polyesters claim 3 , polyester copolymers claim 3 , polyurethanes claim 3 , polysulfones claim 3 , styrene-maleic anhydride copolymers claim 3 , styrene-acrylonitrile copolymers claim 3 , ionomers based on sodium or zinc salts or ethylene methacrylic acid claim 3 , polymethyl methacrylates claim 3 , cellulosics claim 3 , acrylic polymers and copolymers claim 3 , polycarbonates claim 3 , polyacrylonitriles ethylene-vinyl acetate copolymers claim 3 , and fluoropolymers.5. The barrier film of claim 1 , wherein the inorganic layer comprises a metal claim 1 , a metallic compound claim 1 , a composite material of a metal and an organic material claim 1 , a composite material of a metallic compound and an organic material claim 1 , or a combination thereof.6. The barrier film of claim 5 , wherein the inorganic layer comprises an inorganic material selected from at least one of aluminum oxide claim 5 , silicon oxide claim 5 , aluminum-silicon-oxide claim 5 , ...

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Номер записи: 29
20-02-2020 дата публикации

PREPREG FOR CORELESS SUBSTRATE, CORELESS SUBSTRATE AND SEMICONDUCTOR PACKAGE

Номер: US20200056006A1
Автор: Hashimoto Shintaro, NAWATE Katsuhiko, Sakamoto Norihiko, Takanezawa Shin, Tsuchikawa Shinji, Yokota Hiroshi
Принадлежит:

The present invention provides a prepreg for a coreless substrate and a coreless substrate and a semiconductor package using the prepreg, which can satisfy heat resistance, low thermal expansion, and bonding strength with a metal circuit at a level required for the coreless substrate. Specifically, the prepreg for a coreless substrate contains a thermosetting resin composition containing (a) dicyandiamide, (b) an adduct of a tertiary phosphine and quinones, (c) an amine compound having at least two primary amino groups, and (d) a maleimide compound having at least two primary amino groups having at least two N-substituted maleimide groups. Instead of (c) the amine compound having at least two primary amino groups and (d) the maleimide compound, having at least two N-substituted maleimide groups, (X) an amino-modified polyimide resin obtained by reacting them may be used. 1. A prepreg for a coreless substrate , comprising a thermosetting resin composition containing (a) dicyandiamide , (b) an adduct of a tertiary phosphine and quinones , (c) an amine compound having at least two primary amino groups , and (d) a maleimide compound having at least two N-substituted maleimide groups.2. A prepreg for a coreless substrate , comprising a thermosetting resin composition containing (a) dicyandiamide , (b) an adduct of a tertiary phosphine and quinones , and (X) an amino-modified polyimide resin , wherein the (X) amino-modified polyimide resin is a reaction product of (c) an amine compound having at least two primary amino groups in its molecular structure and (d) a maleimide compound having at least two N-substituted maleimide groups in its molecular structure.3. The prepreg for a coreless substrate according to claim 1 , wherein a content of the (a) dicyandiamide is 0.05 to 1.5 parts by mass with respect to 100 parts by mass of a solid content of the resin component in the thermosetting resin composition.4. The prepreg for a coreless substrate according to claim 1 , wherein ...

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Номер записи: 30
17-03-2022 дата публикации

TEMPERATURE SENSOR ELEMENT

Номер: US20220082452A1
Автор: HAYASAKA Megumi, Kunai Yuichiro
Принадлежит: Sumitomo Chemical Company, Limited

There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a conjugated polymer and a matrix resin. 1. A temperature sensor element comprising a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes , whereinthe temperature-sensitive film comprises a conjugated polymer and a matrix resin.2. The temperature sensor element according to claim 1 , whereinthe temperature-sensitive film comprises the matrix resin and a plurality of conductive domains contained in the matrix resin, andthe conductive domains comprise the conjugated polymer and a dopant.3. The temperature sensor element according to claim 1 , wherein the matrix resin comprises a polyimide-based resin.4. The temperature sensor element according to claim 3 , wherein the polyimide-based resin comprises an aromatic ring.5. The temperature sensor element according to claim 1 , wherein a content of the matrix resin is 10% by mass or more and 90% by mass or less based on a mass of the temperature-sensitive film of 100% by mass. The present invention relates to a temperature sensor element.There has been conventionally known a thermistor-type temperature sensor element including a temperature-sensitive film changed in electric resistance value due to the change in temperature. An inorganic semiconductor thermistor has been conventionally used in the temperature-sensitive film of such a thermistor-type temperature sensor element. Such an inorganic semiconductor thermistor is hard, and thus a temperature sensor element using the same is usually difficult to have flexibility.Japanese Patent Laid-Open No. H3-255923 (Patent Literature 1) relates to a thermistor-type infrared detection element using a polymer semiconductor having NTC characteristics (Negative Temperature Coefficient; characteristics of the reduction in electric ...

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Номер записи: 31
24-03-2022 дата публикации

SELF-DISINFECTING GLOVE COMPOSITION AND METHOD OF PRODUCTION THEREOF

Номер: US20220087341A1
Автор: REDDY L.DHARIKA, REDDY L.DHRUV SAI, SHAIK ALEESHA, SHAIK ANITHA
Принадлежит:

A method for manufacturing a self-disinfecting glove, the method comprising dissolving an elastomer in a solvent to form a solution, wherein the elastomer is selected from the group consisting of synthetic rubber, natural rubber, and nitrile. Adding of a photosensitizer to the elastomer solvent solution and evaporating the solvent solution to form a film, wherein the photosensitizer is selected from the group consisting of methylene blue, hypericin and titanium dioxide. Next hot pressing of the film above elastomer's melting point to form a sheet. Finally cutting, stacking and hot pressing the sheet again to enable even spread of the photosensitizer throughout the sheet. 1. A method for manufacturing a self-disinfecting glove composition , the method comprising:dissolving an elastomer in a solvent to form a solution;adding of a photosensitizer to the elastomer solvent solution and evaporating the solvent solution to form a film;hot pressing of the film above the elastomer's melting point to form a sheet; andcutting, staking and hot pressing the sheet again to enable even spread of the photosensitizer molecules throughout the sheet.2. The method as claimed in claim 1 , wherein the solvent comprises of distilled water.3. The method as claimed in claim 1 , wherein the elastomer is selected from the group consisting of nitrile claim 1 , natural rubber and synthetic rubber.4. The method as claimed in claim 1 , wherein the preferable elastomer is nitrile.5. The method as claimed in claim 1 , wherein the photosentizers molecules are selected from group consisting of methylene blue claim 1 , hypericin and titanium dioxide.6. The method as claimed in claim 1 , wherein for evaporating the elastomer solvent solution is spread over large surface area and applied heat as evenly as possible.7. The method as claimed in claim 1 , wherein the hot pressing is carried out for a time-period 10 mins claim 1 , temperature in the range of 100° C. to 108° C. and at a pressure is maintained ...

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Номер записи: 32
15-03-2018 дата публикации

RESIN COMPOSITION, COPPER CLAD LAMINATE AND PRINTED CIRCUIT BOARD USING SAME

Номер: US20180072884A1
Автор: JIA Ningning, LIN Yu-Te, LV Wenfeng, MA Ziqian, TIAN Wenjun, WANG Rongtao
Принадлежит:

The present invention provides a resin composition comprising: (A) 100 parts by weight of epoxy resin; (B) from 10 to 80 parts by weight of benzoxazine resin; (C) from 10 to 50 parts by weight of dicyclopentadiene phenol resin; and (D) from 0.5 to 5 parts by weight of amine hardener; wherein the resin composition is free of diallyl bisphenol A (DABPA). 1. A resin composition comprising:(A) 100 parts by weight of epoxy resin;(B) from 10 to 80 parts by weight of benzoxazine resin;(C) from 10 to 50 parts by weight of dicyclopentadiene phenol resin; and(D) from 0.5 to 5 parts by weight of amine hardener;wherein the resin composition is free of diallyl bisphenol A (DABPA).2. The resin composition according to claim 1 , wherein the resin composition is capable of preparing a copper clad laminate which is configured to withstand greater than 20 minutes of a heat resistance T288 capacity test by which the laminate is tested for delamination at 288° C.3. The resin composition according to claim 1 , wherein the weight ratio of said benzoxazine resin: said dicyclopentadiene phenol resin: said amine hardener is (10-60): (15-35):(0.5-3).5. The resin composition according to claim 1 , wherein the amine hardener is at least one selected from the group consisting of diamino diphenylsulfone claim 1 , diamino diphenylmethane claim 1 , diamino diphenyl ether claim 1 , diamino diphenyl sulfide and dicyandiamide.6. The resin composition according to claim 1 , wherein the epoxy resin is at least one selected from the group consisting of bisphenol A epoxy resin claim 1 , bisphenol F epoxy resin claim 1 , bisphenol S epoxy resin claim 1 , bisphenol AD epoxy resin claim 1 , bisphenol A novolac epoxy resin claim 1 , o-cresol novolac epoxy resin claim 1 , trifunctional epoxy resin claim 1 , tetrafunctional epoxy resin claim 1 , dicyclopentadiene type epoxy resin claim 1 , DOPO-containing epoxy resin claim 1 , DOPO-HQ-containing epoxy resin claim 1 , p-xylene epoxy resin claim 1 , naphthalene ...

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Номер записи: 33
16-03-2017 дата публикации

Method for manufacturing hollow silica particles, hollow silica particles, and composition and thermal insulation sheet comprising same

Номер: US20170073237A1
Автор: Eun Young Song, Hyung Sup Lim, O Sung Kwon, Young Cheol Yoo
Принадлежит: Sukgyung AT Co Ltd

Provided are hollow silica particles that have a refractive index of 1.2-1.4, a thermal conductivity of less than 0.1 W/m·K, an oil absorption rate of 0.1 ml/g or below, a porosity of at least 90% when mixed with a resin, and a particle distribution coefficient of variation (CV value) of 10% or below. Further provided are a composition comprising the hollow silica particles, and a transparent thermal insulation sheet which has a visible light transmittance of at least 70%, a thermal conductivity of less than 0.1 W/m·K, and a filling rate of particles of 30-80%.

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Номер записи: 34
24-03-2022 дата публикации

POLYIMIDE PRECURSOR SOLUTION AND METHOD FOR PRODUCING POROUS POLYIMIDE FILM

Номер: US20220089829A1
Автор: HIROSE Hidekazu, NOZAKI Shunsuke, OKUBO Tomoyo, SASAKI Tomoya
Принадлежит: FUJIFILM Business Innovation Corp.

A polyimide precursor solution, includes: a polyimide precursor; resin particles having a volume average particle diameter of 5 nm or more and 100 nm or less, and having a volume particle size distribution wherein a ratio of a volume frequency of resin particles having a particle diameter of 150 nm or more to a volume frequency of all of the resin particles in the polyimide precursor solution is 5% or less; and an aqueous solvent containing water. 1. A polyimide precursor solution , comprising:a polyimide precursor;resin particles having a volume average particle diameter of 5 nm or more and 100 nm or less, and having a volume particle size distribution wherein a ratio of a volume frequency of resin particles having a particle diameter of 150 nm or more to a volume frequency of all of the resin particles in the polyimide precursor solution is 5% or less; andan aqueous solvent containing water.2. The polyimide precursor solution according to claim 1 ,wherein the ratio of the volume frequency of the resin particles having a particle diameter of 150 nm or more to the volume frequency of all of the resin particles in the polyimide precursor solution is 3% or less.3. The polyimide precursor solution according to claim 1 , further comprising a water-soluble surfactant claim 1 ,wherein a content of the water-soluble surfactant is in a range of 3.3 mass % or more and 170 mass % or less with respect to the polyimide precursor.4. The polyimide precursor solution according to claim 2 , further comprising a water-soluble surfactant claim 2 ,wherein a content of the water-soluble surfactant is in a range of 3.3 mass % or more and 170 mass % or less with respect to the polyimide precursor.5. A polyimide precursor solution claim 2 , comprising:a polyimide precursor;resin particles having a volume average particle diameter of 5 nm or more and 100 nm or less;an aqueous solvent containing water; anda water-soluble surfactant,wherein a content of the water-soluble surfactant is in a ...

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Номер записи: 35
18-03-2021 дата публикации

POLYIMIDE FILMS AND ELECTRONIC DEVICES

Номер: US20210079181A1
Автор: Johnson Joseph Casey, KOURTAKIS Kostantinos, Kwasny Michael Thomas, Rossi Gene M
Принадлежит:

In a first aspect, a polyimide film includes a dianhydride and a diamine. The dianhydride, the diamine or both the dianhydride and the diamine include an alicyclic monomer, an aliphatic monomer or both an alicyclic monomer and an aliphatic monomer. The polyimide film has a b* of 1.25 or less and a yellowness index of 2.25 or less for a film thickness of 50 μm. The polyimide film is formed by: (a) polymerizing the dianhydride and the diamine in the presence of a first solvent to obtain a polyamic acid solution; (b) imidizing the polyamic acid solution to form a substantially imidized solution; (c) casting the substantially imidized solution to form a film; and (d) drying the film. 1. A polyimide film comprising: the dianhydride, the diamine or both the dianhydride and the diamine comprise an alicyclic monomer, an aliphatic monomer or both an alicyclic monomer and an aliphatic monomer; and', 'the polyimide film has a b* of 1.25 or less and a yellowness index of 2.25 or less for a film thickness of 50 μm; and', (a) polymerizing the dianhydride and the diamine in the presence of a first solvent to obtain a polyamic acid solution;', '(b) imidizing the polyamic acid solution to form a substantially imidized solution;', '(c) casting the substantially imidized solution to form a film; and', '(d) drying the film., 'the polyimide film is formed by], 'a dianhydride and a diamine, wherein2. The polyimide film of claim 1 , wherein after (b) and before (c) claim 1 , the substantially imidized solution is filtered to remove insoluble constituents of the solution.3. The polyimide film of claim 1 , wherein the dianhydride is selected form the group consisting of 4 claim 1 ,4′-(hexafluoroisopropylidene)diphthalic anhydride claim 1 , 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-biphenyltetracarboxylic dianhydride claim 1 , 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-benzophenonetetracarboxylic dianhydride claim 1 , 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-diphenylsulfonetetracarboxylic dianhydride and ...

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Номер записи: 36
14-03-2019 дата публикации

Multilayer film for electronic circuitry applications

Номер: US20190077959A1
Автор: Herbert W Lim, Kostantinos Kourtakis, Rosa Irene Gonzalez
Принадлежит: EI Du Pont de Nemours and Co

In a first aspect, a multilayer film includes a first outer layer including a first thermoplastic polyimide, a core layer including a polyimide, and a second outer layer including a second thermoplastic polyimide. The polyimide of the core layer includes a first aromatic dianhydride including 3,3′,4,4′-biphenyl tetracarboxylic dianhydride and a first aromatic diamine including p-phenylenediamine. The multilayer film has a total thickness in a range of from 5 to 150 μm. A thickness of the core layer is in a range of from 35 to 73% of the total thickness of the multilayer film. A minimum peel strength for at least one of the first and second outer layers, when adhered to copper foil and tested following ASTM method IPC-TM-650, method No. 2.4.9B, is greater than 0.9 kgf/cm (0.88 N/mm). In a second aspect, a metal-clad laminate includes the multilayer film of the first aspect and a first metal layer adhered to an outer surface of the first outer layer of the multilayer film.

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Номер записи: 37
22-03-2018 дата публикации

Porous Air Permeable Polytetrafluoroethylene Composites with Improved Mechanical and Thermal Properties

Номер: US20180079929A1
Автор: Anit Dutta, Leslie S. NACHBAR
Принадлежит: WL Gore and Associates Inc

Porous air permeable expanded PTFE composite with enhanced mechanical and thermal properties are described. The node and fibril microstructure of expanded PTFE is coated on and within the node and fibril microstructure with a suitably chosen polymer to impart property enhancement while maintaining porosity. The coating polymer content of the composite is maintained between 3 and 25 weight percent of the composite and the areal mass of the composite is less than 75 gm/m 2 . Exemplary enhancement to properties may include, among others, Average Tensile Strength (ATS) (in MPa)×Z strength (in MPa) of 50 MPa 2 or greater, preferably 100 MPa 2 or greater, with air flow less than 500 Gurley seconds. Coating polymers with appropriate temperature resistance provides composites which further exhibit shrinkage of less than 10% at temperatures up to 300° C. with air flow of less than 500 Gurley seconds.

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Номер записи: 38
23-03-2017 дата публикации

Polyetherimide Compatible Polymer Blends for Capacitor Films

Номер: US20170084394A1
Автор: NIEMEYER Matthew F., PFEIFFENBERGER NEAL, SANNER Mark
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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Номер записи: 39
29-03-2018 дата публикации

RESIN COMPOSITION, ARTICLE OF MANUFACTURE MADE THEREFROM AND METHOD OF MAKING THE SAME

Номер: US20180086911A1
Автор: WANG Rongtao, XU Chuanfei, YAO Xingxing
Принадлежит:

Disclosed is a resin composition, comprising the following components: (A) 100 parts by weight of an epoxy resin; (B) 10 to 60 parts by weight of a diamino diphenyl ether type benzoxazine resin having a softening point of 40° C. to 140° C.; (C) 10 to 40 parts by weight of a co-hardener; and (D) 10 to 40 parts by weight of a flame retardant which comprises (d1) a high melting point flame retardant with a melting point of greater than 260° C. or (d2) a metal phosphinate flame retardant, wherein the metal is selected from Group IIIA elements. Also disclosed is an article of manufacture obtained from the resin composition and a use thereof. Accordingly, the demands of high frequency application can be met, and a balance of low thermal expansion, high thermal resistance and low warpage in the system can be struck. 1. A resin composition comprising the following components:(A) 100 parts by weight of an epoxy resin;(B) 10 to 60 parts by weight of a diamino diphenyl ether type benzoxazine resin having a softening point of 40° C. to 140° C.;(C) 10 to 40 parts by weight of a co-hardener; and (d1) a high melting point flame retardant, with a melting point of greater than 260° C., or', '(d2) a metal phosphinate flame retardant, wherein the metal is selected from Group IIIA elements., '(D) 10 to 40 parts by weight of a flame retardant which comprises the following flame retardant (d1), flame retardant (d2) or a combination thereof2. The resin composition of claim 1 , wherein the component (B) diamino diphenyl ether type benzoxazine resin has a softening point of 60° C. to 120° C.3. The resin composition of claim 1 , wherein the component (B) diamino diphenyl ether type benzoxazine resin has a softening point of 69° C. to 85° C.5. The resin composition of claim 1 , wherein the component (d1) high melting point flame retardant is selected from a phosphorus-containing flame retardant with a melting point of greater than 260° C. and having at least two DOPO structures claim 1 , a ...

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Номер записи: 40
12-05-2022 дата публикации

SCRUBBER

Номер: US20220142446A1
Автор: "OBrien John", Krause Aaron C.
Принадлежит:

A scrubber and methods of forming a scrubber. The scrubber may include a foamed melamine resin, a first foamed polyurethane resin, a second foamed polyurethane resin, and a binder. The scrubber can be configured to exhibit the properties of both a scrubber and an eraser, and have a density ranging from 0.01 to 0.5 grams per cm. A method of forming the scrubber may include the following steps: mixing foamed melamine resin particles, first foamed polyurethane resin particles, and second foamed polyurethane resin particles to form a first mixture; and mixing the first mixture with a binder to form a second mixture. 1. A scrubber comprising a foamed melamine resin , a first foamed polyurethane resin , a second foamed polyurethane resin , and a binder.2. The scrubber according to claim 1 , wherein the foamed melamine resin is melamine formaldehyde resin and the second foamed polyurethane resin has greater stiffness than the first foamed polyurethane resin and wherein the first foamed polyurethane resin is a polyester urethane resin and the second foamed polyurethane resin is a polyester urethane resin and the binder is a urethane binder.3. The scrubber according to claim 2 , wherein the urethane binder is methylene diphenyl diisocyanate or methylene diphenyl diisocyanate in combination with a polyester polyol.4. The scrubber according to claim 1 , wherein the scrubber has an average density of 0.01-0.5 g/cm.5. The scrubber according to claim 1 , wherein the foamed melamine resin claim 1 , the first foamed polyurethane resin claim 1 , and the second foamed polyurethane resin are in a form of particles and are thereby foamed melamine resin particles claim 1 , first foamed polyurethane resin particles claim 1 , and second foamed polyurethane resin particles claim 1 , respectively.6. The scrubber according to claim 1 , wherein an amount of the foamed melamine resin is 5-25% by weight of the scrubber claim 1 , an amount of the first foamed polyurethane resin is 15-70% by ...

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Номер записи: 41
28-03-2019 дата публикации

Anti-UV plastic for automobile interior ornaments

Номер: US20190092939A1
Автор: Bin Chen, Ling Yin, Naitian Zhang, Rongfu Zhang
Принадлежит: Bin Chen, Ling Yin, Naitian Zhang, Rongfu Zhang

This invention discloses an anti-UV plastic for automobile interior ornaments. The anti-UV plastic for automobile interior ornaments includes PC resin, ABS resin, antioxygen, pentaerythritol stearate, inorganic filler, anti-UV fiber, organic silicon resin or modified organic silicon resin. Except maintaining the properties of ABS resin and PC resin, the anti-UV plastic for automobile interior ornaments has excellent mechanical properties and thermal properties, and can reduce the maintenance cost of automobile interior ornaments caused by UV aging. In addition, the anti-UV plastic for automobile interior ornaments owns favorable machining properties, and can be machined into automobile interior ornaments of various shapes.

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Номер записи: 42
12-04-2018 дата публикации

Semipreg with thermoplastic toughened novolac-based epoxy resin matrix

Номер: US20180100044A1
Автор: Gordon Emmerson, Kathlyn Lizette Baron, Yen-Seine Wang
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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Номер записи: 43
21-04-2016 дата публикации

CELLULOSE NANOCRYSTAL (CNC) FILMS AND CONDUCTIVE CNC-BASED POLYMER FILMS PRODUCED USING ELECTROCHEMICAL TECHNIQUES

Номер: US20160108537A1
Автор: Atifi Siham, HAMAD Wadood Y., STEAD Neville J.
Принадлежит: FPINNOVATIONS

The present describes a chiral nematic cellulose nanocrystal (CNC) film comprising: cellulose nanocrystals that self-assemble to form an iridescent CNC structure, wherein the self-assembled structure comprises a finger-print pattern of repeating bright and dark regions, defining a pitch of the iridescent film, where the pitch variable. Also described are conductive polymer nanocomposite based on the CNC film. Further described is the electrophoretic method of producing the chiral nematic cellulose nanocrystal film as well as the polymer nanocomposites and the apparatus used. 2. The method of claim 1 , wherein the voltage applied across the deposition system is at least 30 V.3. The method of claim 2 , wherein the pulsed signal is a constant voltage square-wave pulse.4. The method of claim 3 , wherein pulsed signal has a pulse width Tfrom 1 to 10 milliseconds and a Tfrom 4 to 10 milliseconds.5. The method of claim 1 , wherein the film is dried for at least 5 minutes at 100° C. to produce a dry chiral nematic cellulose nanocrystal film.6. The method of claim 1 , further comprising:providing a conductive monomer solution;immersing the working electrode in the monomer solution, andelectropolymerizing the conductive monomer by potentiostatic voltammetry.7. The method of claim 6 , wherein the conductive monomer is an aniline.9. The method of claim 8 , wherein the conductive monomer is an aniline.10. A chiral nematic cellulose nanocrystal film comprising: a finger-print pattern of repeating bright and dark regions of spherulitic CNC, having a pitch,', 'wherein the pattern is that of a plurality of distinct pseudo-planes stacked on each other in a vertical direction along an axis through the pseudo-planes and each adjacent pseudo-plane rotating an incremental fixed distance about the axis with regard to the adjacent pseudo-plane, wherein the distance along the axis required to achieve a 360° rotation of pseudo-planes is the pitch, and', 'wherein the self-assembled cellulose ...

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Номер записи: 44
19-04-2018 дата публикации

POLYIMIDE FILM HAVING LOW GLOSS AND MANUFACTURE THEREOF

Номер: US20180105657A1
Автор: Chung Wen-Hsuan
Принадлежит:

The present application provides a polyimide film having low gloss and a process of fabricating the same. The process includes forming a polyimide precursor solution by reacting diamine monomers with dianhydride monomers in a solvent, forming a wet polyimide film on a support with the polyimide precursor solution, pressing the wet film with an embossing roller at a temperature equal to or higher than 100° C. and an applied pressure equal to or higher than 1 kg, thereby causing the wet film to exhibit an uneven surface, and heating the wet film to form a polyimide film. 1. A process of fabricating a polyimide film , comprising:forming a polyimide precursor solution obtained by reacting diamine monomers with dianhydride monomers in a solvent;forming a wet film on a support with the polyimide precursor solution;pressing the wet film with an embossing roller at a temperature equal to or higher than 100° C., the embossing roller applying a pressure equal to or higher than 1 kg, thereby causing the wet film to exhibit an uneven surface; andheating the wet film to form a polyimide film.2. The process according to claim 1 , wherein the diamine monomers are selected from the group consisting of 4 claim 1 ,4′-oxydianiline (4 claim 1 ,4′-ODA) claim 1 , p-phenylene diamine (p-PDA) claim 1 , and 2 claim 1 ,2′-bis(trifluoromethyl) benzidine (TFMB) claim 1 , and the dianhydride monomer is selected from the group consisting of pyromellitic dianhydride (PMDA) claim 1 , 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-biphenyltetracarboxylic dianhydride (BPDA) and 2 claim 1 ,2-bis[4-(3 claim 1 ,4-dicarboxyphenoxy) phenyl]propane dianhydride (BPADA).3. The process according to claim 1 , wherein the step of pressing the wet film with an embossing roller is conducted with a temperature of the embossing roller between 160° C. and 190° C. and an applied pressure between 4 kg and 8 kg.4. The process according to claim 1 , wherein the solvent is present in a quantity between 20 wt % and 50 wt % based ...

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Номер записи: 45
26-04-2018 дата публикации

METHODS OF MANUFACTURING EXTRUDED POLYSTYRENE FOAMS USING CONDUCTIVE POLYMERS AS AN INFRARED ATTENUATION AGENT

Номер: US20180112052A1
Автор: Annan Nikoi, Delaviz Yadollah, Han Xiangmin
Принадлежит:

A composition and method for making extruded polystyrene (XPS) foam is provided. The composition includes an infrared attenuation agent composition comprising conductive polymers to achieve an XPS foam having an improved thermal insulation performance. In some exemplary embodiments, the conductive polymers comprise doped polypyrrole and doped polyanniline. In some exemplary embodiments, the XPS foam includes a carbon dioxide-based blowing agent. 1. A foamable polymeric mixture comprising:a polymer composition;a blowing agent composition; andat least one infrared attenuating agent comprising a conductive polymer.2. The foamable polymeric mixture of claim 1 , wherein the at least one infrared attenuating agent comprises doped polypyrrole or doped polyanniline.3. The foamable polymeric mixture of claim 1 , wherein the blowing agent composition comprises carbon dioxide.4. The foamable polymeric mixture of claim 3 , wherein the blowing agent composition further comprises at least one co-blowing agent.5. The foamable polymeric mixture of claim 4 , wherein the at least one co-blowing agent is selected from hydrofluoroolefins claim 4 , hydrofluorocarbons claim 4 , and mixtures thereof.6. The foamable polymeric mixture of claim 1 , wherein the at least one infrared attenuating agent comprises from about 0.1% to about 2% by weight.7. The foamable polymer mixture of claim 1 , wherein the polymer composition comprises polystyrene or styrene acrylonitrile (SAN) copolymer.8. A method of manufacturing extruded polymeric foam comprising:introducing a polymer composition into a screw extruder to form a polymeric melt;injecting a blowing agent composition into the polymeric melt to form a foamable polymeric material; andintroducing at least one infrared attenuating agent into the polymeric melt, the at least one infrared attenuating agent comprising a conductive polymer, wherein the extruded polymeric foam exhibits an R-value of at least 4° F·ft2·hr/BTU per inch.9. The method of ...

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Номер записи: 46
30-04-2015 дата публикации

FILM COMPRISING A MIXTURE OF POLY (M-PHENYLENE ISOPHTHALAMIDE) AND COPOLYMER MADE FROM (6)-AMINO-2-(P-AMINOPHENYL) BENZIMIDAZOLE

Номер: US20150119533A1
Автор: LEE KIU-SEUNG
Принадлежит:

This invention relates to a film comprising a mixture of at least a first polymer and a second polymer; 1. A film comprising a mixture of at least a first polymer and a second polymer; i) the one or more amine monomers includes at least 60 mole percent 5(6)-amino-2-(p-aminophenyl)benzimidazole, based on the total amount of amine monomers; and', {'br': None, 'sub': 1', '2, 'Cl—CO—Ar—CO—Cl & Cl—CO—Ar—CO—Cl'}, 'ii) the plurality of acid monomers include those having a structure of'}], 'the first polymer having a structure derived from the reaction of one or more amine monomers and a plurality of acid monomers, wherein'}{'sub': 1', '2', '2, 'wherein Aris an aromatic group having para-oriented linkages and Aris an aromatic group having meta-oriented linkages, and wherein the plurality of acid monomers has at least 50 mole percent of the monomer containing aromatic group Ar; and'}the second polymer having a structure derived from the reaction of metaphenylene diamine and isophthaloyl chloride.2. The film of claim 1 , wherein the one or more amine monomers is 100 mole percent 5(6)-amino-2-(p-aminophenyl) benzimidazole.3. The film of claim 1 , wherein the one or more amine monomers include metaphenylene diamine.4. The film of any one of to claim 1 , wherein the mixture of first polymer and second polymer contains 25 to 80 weight percent of the first polymer claim 1 , based on the total amount of first polymer and second polymer.5. The film of claim 4 , wherein the mixture of first polymer and second polymer contains 25 to 50 weight percent of the first polymer claim 4 , based on the total amount of first polymer and second polymer. The invention concerns a shaped article, such as a film, that is made from a mixture of at least two polymers, wherein at least one polymer comprises poly(meta-phenylene isophthalamide)(MPD-I) and the other polymer is a copolymer made from the diamine monomer 5(6)-amino-2-(p-aminophenyl)benzimidazole (DAPBI), and methods of making the same. These ...

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Номер записи: 47
27-04-2017 дата публикации

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

Номер: US20170114196A1
Автор: Carlo Morandi, Jochen Kerres, Thomas HÄRING
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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Номер записи: 48
18-04-2019 дата публикации

Pai-based coating composition

Номер: US20190112501A1
Автор: Anderson Bouton, David Edward Noga, Limor BEN-ASHER, Zhongliang Zhu
Принадлежит: Cymer-Dayton LLC

A process for PAI-based coating compositions. An embodiment of a method includes manufacturing a coating composition, the manufacturing of the coating composition including mixing a first solvent, the first being solvent being N-formyl morpholine (NFM), with a second solvent to form a first solution; dissolving polyamideimide or polyamide amic acid resin polymer (PAI) in the first solution; precipitating a PAI compound from to mixture of MEK and the first solution; and dissolving the PAI compound in a second solution to generate a coating solution.

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Номер записи: 49
16-04-2020 дата публикации

A method for preparing masterbatch and fiber with composite antibacterial and deodorizing functions

Номер: US20200115511A1
Автор: Gang Li
Принадлежит: Zhejiang Yinyu New Material Co Ltd

The present invention provides a method for preparing a masterbatch and fibers with composite antibacterial and deodorizing functions including surface modifying a copper powder; functionalizing resin powder; and preparing the composite antibacterial and deodorizing masterbatch. The present invention provides a new antibacterial compounding mechanism to prepare new antibacterial and deodorizing masterbatch and fibers which have permanent antibacterial function, and the mechanical properties thereof can reach the standard of general fibers; fully meets the requirements of various weaving; the cost thereof is comparable to that on antibacterial post-treatment; and the pollution is reduced. The present invention can increase the export volume and additional value of the textiles.

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Номер записи: 50
23-04-2020 дата публикации

MONOLITHIC, SUPER HEAT-INSULATING, ORGANIC AEROGEL COMPOSITION PREPARATION METHOD, SAID COMPOSITION, AND THE USE THEREOF

Номер: US20200123340A1
Автор: Dufour Bruno, FANNECHERE Florian, HUILLET Cédric, POUPA Nadine, SWOBODA Benjamin
Принадлежит: HUTCHINSON

The invention relates to a process for preparing a gelled, dried composition forming a monolithic aerogel with a heat conductivity of less than or equal to 40 mW·m·Kand derived from a resin of polyhydroxybenzene(s) and formaldehyde(s), to this aerogel composition and to the use thereof. This process comprises: 1. A gelled , dried and non-pyrolyzed composition forming an organic monolithic aerogel with a heat conductivity of less than or equal to 40 mW·m·K , the gelled , dried and non-pyrolyzed composition being based on a resin derived at least partly from polyhydroxybenzene(s) R and formaldehyde(s) F and being able to be obtained by a process comprising:a) polymerization in an aqueous solvent W of said polyhydroxybenzene(s) R and formaldehyde(s) F in the presence of an acidic or basic catalyst, to obtain a solution based on said resin,b) gelation of the solution obtained in a) to obtain a gel of said resin, andc) drying of the gel obtained in b) to obtain a dried gel,step a) being performed in the presence of at least one water-soluble cationic polyelectrolyte P dissolved in said solvent, and the process also comprising a step d) of heat treatment under inert gas of said dried gel obtained in step c) at temperatures of between 150° C. and 500° C. to obtain the non-pyrolyzed aerogel whose said heat conductivity is substantially unchanged, even after exposure to a humid atmosphere,wherein the gelled, dried and non-pyrolyzed composition comprises at least one water-soluble cationic polyelectrolyte P and has said heat conductivity which increases by less than 10% and less than 20%, respectively, after 1 hour and 2 hours of exposure to a humid atmosphere regulated at 20° C. and 65% relative humidity, said heat conductivity being measured with a Neotim conductimeter via the hot wire technique according to standard ASTM D5930-97.2. The gelled claim 1 , dried and non-pyrolyzed composition as claimed in claim 1 , wherein said heat conductivity is measured according to the ...

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Номер записи: 51
03-06-2021 дата публикации

RESIN COMPOSITION, CURED PRODUCT THEREOF, FIBRE-REINFORCED PLASTIC, AND FIBRE-REINFORCED PLASTIC FLAMEPROOFING METHOD

Номер: US20210163733A1
Автор: ASAKURA Chihiro, FUJITA Naohiro, INADOME Masato, MORINO Kazuhide
Принадлежит:

Provided is a resin composition that is capable of producing a cured product having excellent environmental suitability, high strength, and excellent flame retardancy, and that is suitably usable as a matrix resin for fiber-reinforced plastics. A resin composition contains (A) an epoxy resin, (B) a cyanate resin, (C) an aromatic amine curing agent that is liquid at 25° C., and (D) a phosphorus-containing compound represented by formula (1). Preferably, in formula (1), Rand Reach independently represent an alkyl group or an aryl group, and X and Y are an oxygen atom. 2. The resin composition according to claim 1 , wherein Rand Reach independently represent an alkyl group or an aryl group claim 1 , and X and Y are each an oxygen atom.3. The resin composition according to claim 1 , wherein the hydrocarbon group represented by Rcontains at least one aromatic ring.5. The resin composition according to claim 1 , wherein the epoxy resin (A) contains from 20 to 80 mass % of a diglycidyl ether of bisphenol A-propylene oxide adduct.6. The resin composition according to claim 1 , wherein the phosphorus-containing compound (D) represented by formula (1) is contained in an amount that makes the content of phosphorus originating from the phosphorus-containing compound from 0.1 to 5 mass % with respect to a total solid content of the epoxy resin (A) claim 1 , the cyanate resin (B) claim 1 , the aromatic amine curing agent (C) that is liquid at 25° C. claim 1 , and the phosphorus-containing compound (D) represented by formula (1).7. A cured product obtained by curing the resin composition according to .8. A fiber-reinforced plastic obtained by curing a fiber-reinforced plastic composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the resin composition according to ; and'}a reinforcement fiber.9. A method for flame-proofing a fiber-reinforced plastic claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'obtaining a fiber-reinforced plastic ...

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Номер записи: 52
09-05-2019 дата публикации

HYDROLYSIS STABLE COMPOSITIONS FOR FILMS IN SOLAR CELLS

Номер: US20190135999A1
Автор: Laufer Wilhelm
Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to novel compositions stable to hydrolysis, especially for films in solar cells, which are characterized by improved resistance to hydrolysis, and also to the solar cells comprising these films. 2. The composition according to claim 1 , wherein the polyester is selected from the group consisting of polyethylene terephthalate (PET) claim 1 , polyethylene naphthalate (PEN) claim 1 , polybutylene terephthalate (PBT) claim 1 , polytrimethylene terephthalate (PTT) claim 1 , polycyclohexanedimethanol terephthalate (PCT) claim 1 , ester-based thermoplastic elastomers claim 1 , and biobased and/or biodegradable or compostable polyesters claim 1 , and mixtures thereof.3. A film comprising the composition of .4. The film according to claim 3 , wherein the film is biaxially oriented.5. A soar cell module comprising the film according to claim 3 , preferably as backing cover.6. A method for isolating solar cells from ambient environment claim 3 , the method comprising enclosing at least a portion of the solar cells within the film according to for sealing of the solar cell.7. The film according to claim 3 , wherein the film comprises 0.5-2.5% by weight of the at least one polymeric carbodiimide of the formula (I) claim 3 , based on the polyester.8. The film according to claim 3 , wherein the film comprises 1.0-2.0% by weight of the at least one polymeric carbodilmide of the formula (I) claim 3 , based on the polyester.9. The composition according to claim 2 , comprising 0.5-2.5% by weight claim 2 , based on the polyester claim 2 , of the carbodilmide.10. The composition according to claim 1 , wherein:n=3;{'sup': 1', '6', '5, 'R=—NHCOORwhere R=cyclohexyl, and'}{'sup': 6', '7', '8', '5', '7', '8, 'R, Rand Rare methyl or ethyl, with the proviso that a maximum of only one of the radicals R, Rand Ris methyl.'}10. The composition according to claim 10 , wherein the polyester is selected from the group consisting of polyethylene terephthalate (PET) claim ...

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Номер записи: 53
09-05-2019 дата публикации

Articles made from lipophilic-rich cellulosic material and methods therefor

Номер: US20190136015A1
Автор: Bei-Hong Liang, James P. Pfau, Mohamad Reza BARZEGARI
Принадлежит: Masonite Corp

The invention relates to systems and techniques for manufacturing articles containing cellulosic material, a tackifier, and a binder, and related processes of making and using the cellulosic articles. In particularly exemplary embodiments, the manufactured articles are door skins, sometimes known as door facings, and doors made from the door skins. The article contains a lipophilic cellulosic material, a tackifier, and a binder.

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Номер записи: 54
10-06-2021 дата публикации

BIOCOMPATIBLE POLYISOBUTYLENE-FIBER COMPOSITE MATERIALS AND METHODS

Номер: US20210170069A1
Автор: Delaney, Gurung Niraj, JR. Joseph Thomas, Ro Andrew J., Willoughby Patrick, Wulfman David Robert
Принадлежит:

Aspects herein relate to biocompatible polyisobutylene-fiber composite materials and related methods. In one aspect a biocompatible composite material is included. The biocompatible composite material can include a network of fibers comprising one or more polymers to form a substrate and a continuous polyisobutylene matrix that is non-porous and completely surrounds the electrospun fibers. Other aspects are included herein. 1. A biocompatible composite material comprising:a network of fibers comprising one or more polymers to form a substrate; anda continuous polyisobutylene matrix that is non-porous and completely surrounds fibers of the network of fibers.2. The biocompatible composite material of claim 1 , wherein the network of fibers includes fibers oriented with a bias in a direction.3. The biocompatible composite material of claim 1 , wherein the network of fibers are electrospun fibers and are randomly oriented fibers.4. The biocompatible composite material of claim 1 , wherein the network of fibers comprise one or more of polyether-polyurethane copolymers (PE-PUR) claim 1 , high durometer polyisobutylene-polyurethane (PIB-PUR) claim 1 , polyamide claim 1 , polyester claim 1 , or linear polyethylene.5. The biocompatible composite material of claim 1 , wherein the fibers are disposed in a center of the continuous polyisobutylene matrix.6. The biocompatible composite material of claim 1 , wherein the fibers are disposed biased towards an edge of the continuous polyisobutylene matrix.7. The biocompatible composite material of claim 1 , the biocompatible composite material shaped as a prosthetic heart valve leaflet.8. The biocompatible composite material of claim 1 , wherein the biocompatible composite material is substantially planar.9. The biocompatible composite material of claim 1 , the network of fibers defining pores claim 1 , wherein at least about 80% of the pores by volume are filled by the continuous polyisobutylene matrix.10. The biocompatible ...

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Номер записи: 55
30-04-2020 дата публикации

RESIN BLENDS CONTAINING A PHTHALONITRILE REACTIVE DILUENT AND A DIPHTHALONITRILE RESIN, PREPREGS, AND ARTICLES

Номер: US20200131336A1
Автор: Anderson Benjamin J.
Принадлежит:

The present disclosure provides a resin blend. The resin blend includes at least one diluent containing a single phthalonitrile functional group and at least one diphthalonitrile resin. Also provided are prepregs including the resin blend impregnated into continuous reinforcing fibers or a cloth. Similarly, the present disclosure provides a molding compound including chopped reinforcing fibers distributed in the resin blend. An article is also provided, which includes polymerization product of the resin blend. An alternative article includes a substrate and a layer of the resin blend disposed on the substrate. The diluent typically improves processability of the resin blend and lowers the softening temperature of the polymerization product of the resin blend. 3. The resin blend of claim 1 , wherein one or more of R claim 1 , R claim 1 , R claim 1 , R claim 1 , and R claim 1 , is an allyl group.4. The resin blend of claim 1 , wherein A is oxygen.5. The resin blend of claim 1 , wherein the at least one diluent comprises at least one of 4-(2-methoxy-4-allylphenoxy)phthalonitrile or 4-(2-allylphenoxy)phthalonitrile.6. The resin blend of claim 1 , wherein the molar ratio of at least one diphthalonitrile resin to the at least one diluent ranges from 0.95 to 50 claim 1 , inclusive.7. The resin blend of claim 1 , wherein the at least one diphthalonitrile resin comprises a bisphenol M diphthalonitrile ether resin claim 1 , a bisphenol P diphthalonitrile ether resin claim 1 , a bisphenol T diphthalonitrile ether resin claim 1 , or a combination thereof.8. The resin blend of claim 1 , further comprising a resorcinol diphthalonitrile ether resin.9. The resin blend of claim 1 , further comprising a filler.10. The resin blend of claim 9 , wherein the filler comprises at least one of reinforcing continuous fibers or reinforcing discontinuous fibers.11. The resin blend of claim 9 , comprising a nanofiller in an amount of 1 weight percent to 40 weight percent claim 9 , inclusive ...

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Номер записи: 56
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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Номер записи: 57
25-05-2017 дата публикации

RESIN COMPOSITION, PREPREG, METAL FOIL-CLAD LAMINATE AND PRINTED WIRING BOARD

Номер: US20170145213A1
Автор: Mabuchi Yoshinori, Nomizu Kentaro, OHTA Mitsuru, Sogame Masanobu
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

A resin composition including an inorganic filler (B) having an aluminosilicate (A) having a silicon atom content of from 9 to 23% by mass, an aluminum atom content of from 21 to 43% by mass, and an average particle diameter (D50) of from 0.5 to 10 μm; and any one or more thermosetting compounds selected from the group consisting of an epoxy resin (C), a cyanate compound (D), a maleimide compound (E), a phenolic resin (F), an acrylic resin (G), a polyamide resin (H), a polyamideimide resin (I), and a thermosetting polyimide resin (J), wherein a content of the inorganic filler (B) is from 250 to 800 parts by mass based on 100 parts by mass of resin solid content. 1. A resin composition comprising:an inorganic filler (B) comprising an aluminosilicate (A) having a silicon atom content of from 9 to 23% by mass, an aluminum atom content of from 21 to 43% by mass, and an average particle diameter (D50) of from 0.5 to 10 μm; andone or more thermosetting compounds selected from the group consisting of an epoxy resin (C), a cyanate compound (D), a maleimide compound (E), a phenolic resin (F), an acrylic resin (G), a polyamide resin (H), a polyamideimide resin (I), and a thermosetting polyimide resin (J), whereina content of the inorganic filler (B) is from 250 to 800 parts by mass based on 100 parts by mass of resin solid content.2. The resin composition according to claim 1 , wherein the inorganic filler (B) contains a second inorganic filler (K) having an average particle diameter (D50) of from 0.1 to 0.4 μm.3. The resin composition according to claim 2 , wherein the second inorganic filler (K) is one or more selected from the group consisting of an aluminosilicate having a silicon atom content of from 9 to 23% by mass and an aluminum atom content of from 21 to 43% by mass claim 2 , alumina claim 2 , magnesium oxide claim 2 , boron nitride claim 2 , and aluminum nitride.5. The resin composition according to claim 1 , wherein the maleimide compound (E) is one or more ...

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Номер записи: 58
02-06-2016 дата публикации

Puncture Healing Engineered Polymer Blends

Номер: US20160152809A1
Автор: Gordon Keith L., Siochi Emilie J., SMITH RUSSELL W., Working Dennis C.
Принадлежит:

One aspect of the present invention is a puncture healing polymer blend comprising a self-healing first polymer material having sufficient melt elasticity to snap back and close a hole formed by a projectile passing through the material at a velocity sufficient to produce a local melt state in the first polymer material. The puncture healing polymer blend further includes a non-self-healing second material that is blended with the first polymer material. The blend of self-healing first polymer material and second material is capable of self-healing, and may have improved material properties relative to known self-healing polymers. 1. A puncture healing polymer blend , comprising:a self-healing first polymer material having sufficient melt elasticity to snap back and close a hole formed by a projectile passing through the material at a velocity sufficient to produce a local melt state in the first polymer material;a second material blended with the first polymer material, wherein the second material is non self-healing; and wherein:the puncture healing polymer blend is capable of self-healing.2. The puncture healing polymer blend of claim 1 , wherein:the self-healing first polymer material is only self-healing when the first polymer material is within a first temperature range;the puncture healing polymer blend is self-healing over a second temperature range that is greater than the first temperature range.3. The puncture healing polymer blend of claim 1 , wherein:the self-healing first polymer material comprises a copolymer with ionic groups.5. The puncture healing polymer blend of claim 4 , wherein:the ionic groups have a concentration of less than about 15 mol %.6. The puncture healing polymer blend of claim 5 , wherein:the self-healing first polymer material comprises poly (ethylene-co-methacrylic acid).7. The puncture healing polymer blend of claim 5 , wherein:the self-healing first polymer material comprises a polyolefin plastomer.8. The puncture healing ...

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Номер записи: 59
15-09-2022 дата публикации

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

Номер: US20220289921A1
Автор: Benjamin RUTZ, Toshiya Kamae
Принадлежит: TORAY INDUSTRIES INC

A curable benzoxazine resin composition for a fiber-reinforced composite material is provided which contains at least a component [A], a component [B], and a component [C]. The component [A] includes at least one multifunctional benzoxazine resin having a non-hydrocarbon linkage such as carbonyl, oxygen, sulfur, sulfone or sulfoxide between aromatic moieties. The component [B] includes at least one multifunctional benzoxazine resin having a direct bond or a hydrocarbon linkage between aromatic moieties. The component [C] includes at least one cycloaliphatic epoxy resin containing at least two epoxy groups which are part of cycloaliphatic rings. The curable benzoxazine resin composition is useful in the molding of fiber-reinforced composite materials. More particularly, the curable benzoxazine resin composition makes possible a fiber-reinforced composite material where the cured material obtained by heating has superior performance in extreme use environments, such as high temperature and high compressive load.

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Номер записи: 60
16-05-2019 дата публикации

INSULATING FILM

Номер: US20190144706A1
Автор: Ishikawa Fumiaki, Yamasaki Kazuhiko
Принадлежит:

An insulating film of the present invention includes a resin formed of polyimide, polyamide-imide, or a mixture thereof, and ceramic particles having a specific surface area of 10 m/g or more, in which the ceramic particles form aggregated particles and a content of the ceramic particles is in a range of 5 vol % or more and 60 vol % or less. 1. An insulating film comprising:a resin formed of polyimide, polyamide-imide, or a mixture thereof; and{'sup': '2', 'ceramic particles having a specific surface area of 10 m/g or more,'}wherein the ceramic particles form aggregated particles and a content of the ceramic particles is in a range of 5 vol % or more and 60 vol % or less.2. The insulating film according to claim 1 ,wherein a resin layer formed of polyimide, polyimide-imide, or a mixture thereof is provided on at least one surface of the insulating film. The present invention relates to an insulating film.Priority is claimed on Japanese Patent Application No. 2016-151222, filed on Aug. 1, 2016, and Japanese Patent Application No. 2017-057816, filed on Mar. 23, 2017, the contents of which are incorporated herein by reference.Insulating films are, for example, used as coating films of metal wires used for coils or motors, protective films for protecting the surfaces of electronic parts such as semiconductor chips and LED elements or circuit boards, or insulating materials between circuit layers and substrates in metal base circuit boards or the like.As insulating films, films formed from a resin composition including a resin and an inorganic filler are used. As the resin, resins having high heat resistance, chemical resistance, and mechanical strength such as polyimide and polyamide-imide are used.Along with the recent increases in the operating voltage and the integration of electronic parts, the amount of heat generated by the electronic parts has tended to increase, and there is a demand for insulating films with low thermal resistance and high heat dissipation ...

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Номер записи: 61
31-05-2018 дата публикации

Thermosetting resin composition for semiconductor package and prepreg using the same

Номер: US20180148555A1
Автор: HWANG Yong Seon, KIM Mi Seon, KIM Won Ki, Kim Young Chan, MIN Hyun Sung, MOON Hwa Yeon, SHIM Chang Bo, SHIM Hee Yong, Song Seung Hyun
Принадлежит:

The present invention relates to a thermosetting resin composition for a semiconductor package and a prepreg using the same. Specifically, a thermosetting resin composition for a semiconductor package which exhibits a low curing shrinkage ratio and has a high glass transition temperature and greatly improved flowability by introducing acrylic rubber and mixing two specific inorganic fillers surface-treated with a binder of a specific composition at a certain ratio, and a prepreg using the same, are provided. 1. A thermosetting resin composition for a semiconductor package comprising: 5 to 20 parts by weight of an acrylic rubber and 160 to 350 parts by weight of a filler , based on 100 parts by weight of a binder including an epoxy resin , a bismaleimide resin , a cyanate resin and a benzoxazine resin ,{'sup': 4', '4, 'wherein the acrylic rubber has physical properties such as a weight average molecular weight of 30×10to 65×10, a viscosity of 1,000 to 6,000 mPa·s, and a glass transition temperature of 10° C. to 50° C.,'}the filler is at least one mixture including a first inorganic filler having an average particle diameter of 0.2 μm to 1 μm in which a (meth)acrylate silane compound is bonded to the surface of the filler, and a second inorganic filler having an average particle diameter of 20 nm to 50 nm in which a (meth)acrylate silane compound is bonded to the surface of the filler.2. The thermosetting resin composition for a semiconductor package according to claim 1 , wherein the acrylic rubber is an acrylic acid ester copolymer containing a repeating unit derived from butyl acrylate and a repeating unit derived from acrylonitrile; or an acrylic acid ester copolymer containing a repeating unit derived from butadiene.3. The thermosetting resin composition for a semiconductor package according to claim 1 , wherein the acrylic rubber further includes a repeating unit derived from an alkyl acrylate having a linear or branched alkyl group having 2 to 10 carbon atoms.4 ...

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Номер записи: 62
31-05-2018 дата публикации

Heating of polymeric materials

Номер: US20180148557A1
Автор: Ananda Roy, Dipa Roy, Patrick Terence McGrath, Richard Hanly, Walter Stanley
Принадлежит: University of Limerick

A material susceptible to dielectric heating has a base polymeric thermoplastic material ( 1 ) and a dielectric heating susceptor ( 2, 3 ) which increases susceptibility to heating by irradiation with electromagnetic, for example RF or microwave, radiation. The dielectric heating susceptor has a polymeric material ( 2 ) such as PVDF which is different from the base polymeric material and has a higher dielectric loss factor than the base polymeric material. The dielectric heating susceptor also comprises electrically polarisable entities such as carbon black dispersed within the base polymeric material without forming a conductive network. The two susceptor materials in combination with the base polymer are particularly effective together at improving susceptibility to electromagnetic radiation heating of the whole material.

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Номер записи: 63
11-06-2015 дата публикации

THERMOSET RESIN COMPOSITION, AND PREPREG AND LAMINATE FOR PRINTED CIRCUIT BOARD MANUFACTURED THEREFROM

Номер: US20150159016A1
Автор: Fang Kehong, Meng Yungdong
Принадлежит: SHENGYI TECHNOLOGY CO., LTD.

The present invention relates to a thermoset resin composition, and a prepreg and a laminate for a printed circuit board manufactured therefrom. The thermoset resin composition comprises the following components: a phosphorus-containing polyphenyl ether resin having low molecular weight, an epoxy resin, a cyanate resin and an accelerator. The prepreg manufactured using the resin composition comprises a base material and the thermoset resin composition adhered to the base material by impregnation and drying. The laminate for a printed circuit board manufactured using the resin composition comprises a plurality of laminated prepregs, a metal foil covering one or two faces of the laminated prepregs by pressing, with each prepreg comprising a base material and the thermoset resin composition adhered to the base material by impregnation and drying. The thermoset resin composition of the present invention has properties such as a low dielectric constant and a dielectric dissipation factor, high heat resistance, a high glass transition temperature, and flame retardancy, etc. The laminates for a printed circuit board manufactured using same have excellent metal foil peel strength, heat resistance and dielectric properties, and are suitable for high frequency and high speed electronic circuit boards. 1. A thermoset resin composition , comprising the following parts by weight of the following components: 100 parts of a phosphorus-containing polyphenyl ester resin having low molecular weight , 10-300 parts of an epoxy resin , 10-300 parts of a cyanate resin and 0.01-1.0 part of an accelerator.2. The thermoset resin composition according to claim 1 , wherein claim 1 , the phosphorus-containing polyphenyl ester having low molecular weight is a phosphorus-containing polyphenyl ester resin having low molecular weight with a number-average molecular weight of 1000-6000 claim 1 , which is obtained by conducting a redistribution reaction with a raw material polyphenyl ester having a ...

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Номер записи: 64
16-05-2019 дата публикации

PREPREG, METAL-CLAD LAMINATED BOARD, AND PRINTED WIRING BOARD

Номер: US20190150279A1
Автор: FUJITA Shigetoshi, HOSHINO Yasunori, OBATA Shimpei, TAKAHASHI Ryuuji
Принадлежит:

A prepreg contains a base material containing a reinforcing fiber and a semi-cured product of a resin composition impregnated into the base material containing a reinforcing fiber. The prepreg after cured has a glass transition temperature (Tg) which is higher than or equal to 150° C. and lower than or equal to 220° C. The resin composition contains (A) a thermosetting resin and (B) at least one compound selected from a group consisting of core shell rubber and a polymer component having a weight average molecular weight of 100000 or more. An amount of the (B) component is higher than or equal to 30 parts by mass and lower than or equal to 100 parts by mass with respect to 100 parts by mass of the (A) component. 1. A prepreg comprising:a base material containing a reinforcing fiber; anda semi-cured product of a resin composition impregnated into the base material containing a reinforcing fiber,the prepreg after cured having a glass transition temperature (Tg) which is higher than or equal to 150° C. and lower than or equal to 220° C., (A) a thermosetting resin; and', '(B) at least one compound selected from a group consisting of core shell rubber and a polymer component having a weight average molecular weight of 100000 or more, and, 'the resin composition containingan amount of the (B) component being higher than or equal to 30 parts by mass and lower than or equal to 100 parts by mass with respect to 100 parts by mass of the (A) component.2. The prepreg according to claim 1 , further comprising (C) an inorganic filler.3. The prepreg according to claim 2 , whereinan amount of the (C) component is less than or equal to 150 parts by mass with respect to 100 parts by mass of the (A) component.4. The prepreg according to claim 1 , whereinthe (A) component contains at least one compound selected from a group consisting of epoxy resin, phenol resin, bismaleimide resin, and cyanate resin.5. A metal-clad laminated board comprising:{'claim-ref': [{'@idref': 'CLM-00001', ' ...

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Номер записи: 65
14-06-2018 дата публикации

AMMONIUM SALT CATALYZED BENZOXAZINE POLYMERIZATION

Номер: US20180162999A1
Автор: Gorodisher Ilya, Sorenson Gregory P.
Принадлежит:

A process of preparing polybenzoxazines using an alkylammonium salt of an acid having a pKa in acetonitrile of 9 or more as catalyst is described. 1. A polymerizable composition comprising:a) a benzoxazine, andb) a catalyst comprising an alkylammonium salt of an acid having a pKa (in acetonitrile) of ≥9.2. The polymerizable composition of comprising 0.1 to 10 mole percent of said catalyst.3. The polymerizable composition of wherein the ammonium salt is derived form a secondary amine.4. The polymerizable composition of wherein the ammonium salt is derived form a tertiary amine.5. The polymerizable composition of wherein the alkylammonium salt is of the formula RRRNHX claim 1 , where each of Rand Rare independently an alkyl or aryl groups claim 1 , and Ris H claim 1 , and alkyl or an aryl and X− is the conjugate base of an acid having a pKa (in acetonitrile) of ≥9.6. The polymeriazble composition of wherein X− is the conjugate base of nitric claim 5 , hydrochloric claim 5 , acetic acid claim 5 , trifluoroacetic acid claim 5 , benzoic acid claim 5 , salicylic acid claim 5 , succinic acid claim 5 , oxalic acid claim 5 , phenol claim 5 , 4-nitrophenol claim 5 , or picric acid.10. The polymerizable composition of further comprising a toughening agent.11. The polymerizable composition of comprising a mixture of benzoxazines derived from both aliphatic and aryl amines.12. The polymerizable composition of comprising a benzoxazines derived from poly(alkyleneoxy) diamines.13. The polymerizable composition of claim 1 , further comprising a film-forming polymer or oligomer.14. The polymerizable composition of claim 13 , wherein the film-forming polymer in amounts of 1 to 75 wt % claim 13 , relative to the benzoxazine.15. The polymerizable composition of further comprising an epoxy resin.17. The polymerized composition of claim 16 , wherein Ris a poly(alkyleneoxy) group.18. The polymerized composition of claim 16 , wherein Rcomprises a mixture of aryl groups and aliphatic groups. ...

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Номер записи: 66
14-06-2018 дата публикации

Porous Air Permeable Polytetrafluoroethylene Composites with Improved Mechanical and Thermal Properties

Номер: US20180163089A1
Автор: Dutta Anit, Rikleen (fka Nachbar) Leslie N.
Принадлежит:

Porous air permeable expanded PTFE composite with enhanced mechanical and thermal properties are described. The node and fibril microstructure of expanded PTFE is coated on and within the node and fibril microstructure with a suitably chosen polymer to impart property enhancement while maintaining porosity. The coating polymer content of the composite is maintained between 3 and 25 weight percent of the composite and the areal mass of the composite is less than 75 gm/m. Exemplary enhancement to properties may include, among others, Average Tensile Strength (ATS) (in MPa)×Z strength (in MPa) of 50 MPaor greater, preferably 100 MPaor greater, with air flow less than 500 Gurley seconds. Coating polymers with appropriate temperature resistance provides composites which further exhibit shrinkage of less than 10% at temperatures up to 300° C. with air flow of less than 500 Gurley seconds. 1. An article comprising:a porous, air-permeable composite comprising an ePTFE substrate having a microstructure comprising nodes, fibrils, and pores; andat least one polyimide coating the surfaces of the nodes and fibrils of the ePTFE substrate throughout a thickness of the ePTFE substrate without occluding the pores of the ePTFE substrate,{'sup': 2', '2, 'wherein said composite exhibits a Gurley air flow of less than 500 seconds, a mass per area of 75 gm/mor less, and a product of average tensile strength (ATS)×Z Strength of at least 100 MPa, and'}wherein the polyimide content of the composite is between 3 and 25 weight percent.2. The article of claim 1 , wherein said article has a strength in the z-direction of at least 0.4 MPa.3. The article of claim 1 , wherein said article exhibits Gurley air flow of 100 seconds or less.46.-. (canceled)7. The article of claim 1 , wherein said article further comprises at least one filler.8. The article of claim 1 , wherein said composite comprises at least two ePTFE layers.915.-. (canceled)16. An article comprising:a porous, air-permeable composite ...

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Номер записи: 67
29-09-2022 дата публикации

POLYIMIDE POROUS FILM, NON-AQUEOUS SECONDARY BATTERY SEPARATOR, SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Номер: US20220305739A1
Автор: HIROSE Hidekazu, IWANAGA Takeshi, NAKADA Kosuke, OKUBO Tomoyo, SEITOKU Shigeru
Принадлежит: FUJIFILM Business Innovation Corp.

A polyimide porous film includes: a polyimide porous film body; and at least one of resin particles and a resin porous film, the at least one of the resin particles and the resin porous film adhering to one surface or both surfaces of the polyimide porous film body, and containing a fluorine-based resin or containing a fluorine-based resin and an acrylic resin. 1. A polyimide porous film , comprising:a polyimide porous film body; andat least one of resin particles and a resin porous film, the at least one of the resin particles and the resin porous film adhering to one surface or both surfaces of the polyimide porous film body, and containing a fluorine-based resin or containing a fluorine-based resin and an acrylic resin.2. The polyimide porous film according to claim 1 , wherein the fluorine-based resin is a polymer containing a vinylidene fluoride as a polymerization component.3. The polyimide porous film according to claim 1 , wherein in a case where an average pore diameter of the polyimide porous film body is represented by X and an average particle diameter of the resin particles is represented by Y claim 1 , a relationship of X Подробнее

Номер записи: 68
29-09-2022 дата публикации

METHOD FOR COATING A PLANAR WORKPIECE

Номер: US20220306821A1
Автор: BRAUN Roger, Hasch Joachim, KALWA Norbert, Schwind Volker
Принадлежит: SWISS KRONO Tec AG

The invention relates to a method for coating a planar workpiece. In order to provide a planar workpiece, which is produced from a workpiece having lignocellulose fibers and a proportion of more than 50 wt % binding agent and optionally filler, with improved performance characteristics, a method is provided having the following steps: 1. A method for coating a planar workpiece , wherein the planar workpiece is produced from a material having lignocellulose fibers and a proportion of more than 50 wt % melamine-formaldehyde resins , phenol-formaldehyde resins , methylene diphenylisocyanate (MDI) , also in emulsified form as eMDI , polymeric diphenylmethane diisocyanate (PMDI) , or mixtures of the aforementioned binding agents , comprising the steps of:providing the planar workpiece, which has an upper face and a lower face and lateral surfaces,applying a coating, andapplying a decoration.2. The method according to claim 1 , wherein the coating is selected from the group consisting of heat-curable synthetic resins claim 1 , varnishes claim 1 , and hot melt.3. The method according to claim 1 , wherein the coating is applied as a liquid coating claim 1 , as a particulate coating claim 1 , in the form of papers claim 1 , and/or in the form of films.4. The method according to claim 1 , wherein the coating is a single layer or multiple layers.5. The method according to claim 1 , wherein the coating is cured under the effect of pressure and/or temperature.6. The method according to claim 1 , wherein the coating is cured by radiation.7. The method according to claim 1 , wherein the structuring is created by mechanical or chemical means.8. The method according to claim 1 , wherein the coating is provided with aggregates.9. A planar workpiece claim 1 , produced from a material having lignocellulose fibers and more than 50 wt % melamine-formaldehyde resins claim 1 , phenol-formaldehyde resins claim 1 , methylene diphenylisocyanate (MDI) claim 1 , also in emulsified form as eMDI ...

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Номер записи: 69
29-09-2022 дата публикации

Resin particles

Номер: US20220306823A1
Автор: Hideaki Yoshikawa, Kazusei Yoshida, Kenji Yao, Masahiro Oki, Tetsuya Taguchi
Принадлежит: FUJIFILM BUSINESS INNOVATION CORP

Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0≤(A/B)<0.15 and 0.005 atomic %≤B≤0.5 atomic %.

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Номер записи: 70
25-06-2015 дата публикации

CURABLE RESIN COMPOSITION, RESIN COMPOSITION, RESIN SHEET FORMED BY USING SAID CURABLE RESIN COMPOSITION AND RESIN COMPOSITION, AND CURED MATERIALS THEREOF

Номер: US20150175799A1
Автор: Deguchi Yuichiro, Fukuda Yoshihiro, Mori Takahiro, Ohtsu Takeru
Принадлежит: ADEKA CORPORATION

A curable resin composition which comprising (A), (B) and (C) as follows: (A) 100 parts by mass of polyfunctional epoxy component which contains (A1) a trifunctional epoxy compound having three glycidyl groups in a molecule and (A2) a tetrafunctional epoxy compound having four glycidyl groups in a molecule, wherein (A1):(A2) is 10:90 to 90:10 in terms of mass; (B) 25 to 200 parts by mass of a cyanic acid ester compound having two or more of cyanato groups; and (C) 0.5 to 20 parts by mass of an imidazole compound as a curing agent. 1. A curable resin composition comprising (A) 100 parts by mass of polyfunctional epoxy component , (B) 25 to 200 parts by mass of polyfunctional cyanic acid ester compound having two or more cyanato groups and (C) 0.5 to 20 parts by mass of an imidazole compound as a curing agent , wherein said polyfunctional epoxy component (A) is comprised of (A1) a trifunctional epoxy compound having three glycidyl groups in a molecule and (A2) a tetrafunctional epoxy compound having four glycidyl groups in a molecule so that a ratio of (A1):(A2) is from 10:90 to 90:10 in terms of mass , wherein said trifunctional epoxy compound (A1) is an epoxy compound which has an aromatic hydrocarbon moiety having one or more aromatic rings which is unsubstituted or substituted by halogen atoms , wherein no methylene group are contained but may contain an ether bond between carbon-carbon atoms , and three glycidyloxy groups , or one glycidyloxy group and one diglycidylamino group are bonded to said aromatic ring(s); and said tetrafunctional epoxy compound (A2) is an epoxy compound which has an aromatic hydrocarbon moiety having one or more aromatic rings which are unsubstituted or substituted by a halogen atom , wherein no methylene group is contained but may contain an ether bond between carbon-carbon atoms , and at least one group selected from the glycidyloxy group and the diglycidyl amino group is bonded to said aromatic ring(s).2. The curable resin composition ...

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Номер записи: 71
06-06-2019 дата публикации

FABRICATING IONIC/POLYIMIDE MEMBRANES

Номер: US20190169416A1
Автор: HWANG Tae Seon, Kim Kwang Jin, LEE Dong-Chan, NAM Jungsoo
Принадлежит: The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University of Ne

Disclosed are polyimide blends and methods of making and using same. The disclosed polyimide blends are prepared by first blending an ionic polymer and a poly(amic acid) to form a poly(amic acid) precursor, followed by cyclization. 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 method of claim 1 , wherein the ionic polymer is Nafion.3. The method of claim 1 , wherein n is greater than 10 claim 1 ,000.8. The method of claim 1 , wherein the poly(amic acid) is present in solution.9. The method of claim 7 , wherein the poly(amic acid) solution is present in an amount of from about 20 wt % to about 50 wt %.10. The method of claim 7 , wherein the poly(amic acid) solution comprises an aprotic polar solvent.11. The method of claim 10 , wherein the aprotic polar solvent is selected from N claim 10 ,N-dimethylformamide and N-methyl-2-pyrrolidone.12. The method of claim 10 , wherein the aprotic polar solvent is present in an amount of from about 95 wt % to about 99 wt % of the poly(amic acid) solution.13. The method of claim 10 , wherein the aprotic polar solvent is present in an amount of about 95 wt % of the poly(amic acid) solution.14. The method of claim 1 , wherein the ionic polymer is present in solution and the poly(amic acid) is present in solution claim 1 , and wherein the ionic polymer and the poly(amic acid) together have a concentration of from about 0.01 g/mL to about 6 g/mL.15. The method of claim 1 , wherein the ionic polymer is present in solution and the poly(amic acid) is present in solution claim 1 , and wherein the ionic polymer and the poly(amic acid) together have a concentration of from about 0.03 g/mL to about 6 g/mL.16. The method of claim 1 , wherein mixing is blending.17. The method of claim 1 , wherein mixing is solution-casting.18. The method of claim 17 , wherein solution-casting is performed at a temperature of from about 50° C. to ...

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Номер записи: 72
08-07-2021 дата публикации

COATING MATERIAL FOR GAS BARRIER, GAS BARRIER FILM, AND LAMINATED BODY

Номер: US20210206981A1
Автор: KIDOKORO Masako, NOMOTO Akira
Принадлежит: Mitsui Chemicals Tohcello, Inc.

A coating material for a gas barrier includes polycarboxylic acid, a polyamine compound, a polyvalent metal compound, and a base, in which (molar number of —COO— groups included in the polycarboxylic acid)/(molar number of amino groups included in the polyamine compound)=100/20 to 100/90. 1. A laminated body comprising:a substrate layer; anda gas barrier film layer provided on at least one surface of the substrate layer,wherein the gas barrier film layer is formed of a gas barrier film,wherein the gas barrier film is a cured product of a coating material for a gas barrier,wherein the coating material for a gas barrier comprising a polycarboxylic acid, a polyamine compound, a polyvalent metal compound, and a base,wherein (molar number of —COO— groups included in the polycarboxylic acid)/(molar number of amino groups included in the polyamine compound)=100/25 to 100/90 in the coating material for a gas barrier,wherein the polyamine compound includes polyethylene imine, andwherein (a chemical equivalent of —COO— groups included in the polycarboxylic acid)/(a chemical equivalent of polyvalent metal contained in the polyvalent metal compound)=100/0.1 to 100/80 in the coating material for a gas barrier,wherein the substrate layer is selected from the group consisting of a paper and a plastic film that contains a thermoplastic resin, andwherein the thickness of the substrate layer is 1 to 1000 μm.2. The laminated body according to claim 1 ,wherein an inorganic compound or an oxide of an inorganic compound is deposited on the surface of the substrate layer.3. The laminated body according to claim 1 ,wherein the polycarboxylic acid includes at least one selected from the group consisting of polyacrylic acid, polymethacrylic acid, and a copolymer of acrylic acid and methacrylic acid.4. The laminated body according to claim 1 ,wherein the polyvalent metal compound includes one or two or more of divalent or higher valency metal selected from the group consisting of Mg, Ca, Zn, ...

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Номер записи: 73
28-06-2018 дата публикации

Hydrophilic Coating Methods for Chemically Inert Substrates

Номер: US20180178495A1
Автор: Xiaoxi Kevin Chen
Принадлежит: Individual

The present invention discloses methods for producing a hydrophilic coating for chemically inert substrates such as fluoropolymers using a multi-step coating process consisting of (1) producing a plasma polymerization coating of alcohol compounds on the substrate, followed by (2) sequentially contacting the plasma polymer coated substrate with one or more solutions of hydrophilic polymers. Advantageously, such methods produce a strongly adhered hydrophilic coating for fluoropolymer and other chemically inert substrates.

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Номер записи: 74
29-06-2017 дата публикации

PHOSPHAZENE COMPOUND, AND A COMPOSITION, A PREPREG AND A WIRING BOARD COMPRISING THE SAME

Номер: US20170183366A1
Автор: PAN Qingchong
Принадлежит:

The present invention relates to a phosphazene compound and a composite metal laminate. The phosphazene compound with a partial structure of carboxylic esters has a structure as shown in Formula (I). The present invention obtains a phosphazene compound with a partial structure of carboxylic esters using an M group having specific components. The cured products of the phosphazene compound have good flame retardancy, heat resistance, mechanical properties, flame retardancy, and low dielectric constant, and are a low dielectric flame retardant material having great economic properties and being environmental friendly. 2. The phosphazene compound of claim 1 , wherein Ris an aliphatic and/or aromatic hydrocarbon group.3. The phosphazene compound of claim 2 , wherein Ris any one of substituted or unsubstituted straight-chain or branched alkyl claim 2 , substituted or unsubstituted cycloalkyl claim 2 , substituted or unsubstituted aralkyl claim 2 , substituted or unsubstituted alkoxy claim 2 , substituted or unsubstituted cycloalkoxy claim 2 , substituted or unsubstituted aralkyloxy claim 2 , substituted or unsubstituted alkylaryloxy claim 2 , substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl claim 2 , or a combination of at least two of them.4. The phosphazene compound of claim 3 , wherein Ris any one of unsubstituted straight-chain or branched alkyl claim 3 , unsubstituted cycloalkyl claim 3 , unsubstituted aralkyl claim 3 , unsubstituted alkoxy claim 3 , unsubstituted cycloalkoxy claim 3 , unsubstituted aralkyloxy claim 3 , unsubstituted alkylaryloxy claim 3 , unsubstituted aryl or unsubstituted heteroaryl claim 3 , or a combination of at least two of them.5. The phosphazene compound of claim 1 , wherein Rdoes not contain a reactive group which can react with epoxy resin to produce a secondary hydroxyl.6. The phosphazene compound of claim 1 , wherein the inert nucleophilic group R has a structure of Y—X—; X is O claim 1 , C claim 1 , N; Y is ...

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Номер записи: 75
29-06-2017 дата публикации

Hand for Nanocoated Fabric

Номер: US20170183509A1
Автор: Grunlan Jaime C., Guin Tyler C.
Принадлежит: The Texas A&M University System

A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, a geopolymer, a carbon-based filler, or any combinations thereof. The method also includes agitating the substrate. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material. 1. A method for coating a substrate to provide a flame resistant substrate , comprising:(A) exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate, wherein the cationic solution comprises cationic materials, and wherein the cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, a geopolymer, a carbon-based filler, or any combinations thereof;(B) agitating the substrate; and(C) exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer, wherein the anionic solution comprises a layerable material.2. The method of claim 1 , wherein agitating comprises ultrasonication.3. The method of claim 2 , wherein the ultrasonication comprises a frequency from about 20 kHz to about 300 kHz.4. The method of claim 1 , wherein the agitating comprises agitating the cationic solution claim 1 , the anionic solution claim 1 , or any combinations thereof.5. The method of claim 1 , further comprising rinsing the cationic layer deposited on the substrate claim 1 , and wherein the agitating is accomplished during the rinsing.6. The ...

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Номер записи: 76
06-07-2017 дата публикации

Urea composition and method for producing same

Номер: US20170190632A1
Автор: Alexander Maslow, Erik Alexander Bijpost, Luc Vanmarcke, Matthias Potthoff, Thomas KRAWCZYK
Принадлежит: Thyssenkrupp AG, Uhde Fertilizer Technology BV

Disclosed is a particulate, urea-containing composition, to a method and apparatus for producing it, to the use thereof as fertilizer, as technical urea or as feed additive, and to the use of an additive for producing a particulate, urea-containing composition.

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Номер записи: 77
06-07-2017 дата публикации

PHOSPHAZENE COMPOUND, A PREPREG AND A COMPOSITE METAL LAMINATE

Номер: US20170190725A1
Автор: PAN Qingchong
Принадлежит:

The present invention relates to a phosphazene compound and a prepreg and a composite metal laminate. The phosphazene compound has a structure as shown in Formula (I). The present invention obtains a phosphazene compound using an M group having specific components. The composite metal laminates prepared by the epoxy resin composition comprising the phosphazene compound have low dielectric properties, good heat resistance and mechanical properties and is a low dielectric material also having great economic properties and being environmental friendly. 2. The phosphazene compound of claim 1 , wherein Ris any one of substituted or unsubstituted straight-chain alkylene claim 1 , substituted or unsubstituted branched alkylene claim 1 , substituted or unsubstituted cycloalkylene claim 1 , substituted or unsubstituted arylene claim 1 , substituted or unsubstituted heteroarylene claim 1 , substituted or unsubstituted arylenealkylene claim 1 , substituted or unsubstituted alkylenearylene claim 1 , substituted or unsubstituted cycloalkylenearylene claim 1 , substituted or unsubstituted heteroarylenealkylene or substituted or unsubstituted alkyleneheteroarylene.3. The phosphazene compound of claim 1 , wherein Rand Rare independently any one of substituted or unsubstituted straight-chain alkylene claim 1 , substituted or unsubstituted branched alkylene claim 1 , substituted or unsubstituted cycloalkylene claim 1 , substituted or unsubstituted arylene claim 1 , substituted or unsubstituted heteroarylene claim 1 , substituted or unsubstituted arylenealkylene claim 1 , substituted or unsubstituted alkylenearylene claim 1 , substituted or unsubstituted cycloalkylenearylene claim 1 , substituted or unsubstituted heteroarylenealkylene claim 1 , or substituted or unsubstituted alkyleneheteroarylene.4. The phosphazene compound of claim 1 , wherein Rand Rare independently any one of substituted or unsubstituted straight-chain or branched alkyl claim 1 , substituted or unsubstituted ...

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Номер записи: 78
06-07-2017 дата публикации

SUPERHYDROPHILIC SURFACE BODY, FABRICATING METHOD THEREOF, AND FILTER FOR OIL AND WATER SEPARATION

Номер: US20170190857A1
Автор: CHO Handong, Hwang Woon Bong
Принадлежит:

Disclosed are a superhydrophilic surface body, a fabricating method thereof, and a filter for oil and water separation, including a superhydrophilic surface. The method for fabricating a superhydrophilic surface body includes a first step of forming a polyaniline nanofiber layer on a surface of a base material, a second step of changing the polyaniline nanofiber layer into a completely oxidized pernigraniline base state, a third step of forming a self-assembled monomolecular film having a polymer polymerization initiation functional group on a surface of the polyaniline nanofiber layer, and a fourth step of forming a silica layer on a surface of the self-assembled monomolecular film. In the third step, the polyaniline nanofiber layer is reduced to a leucoemeraldine state. 1. A method for fabricating a superhydrophilic surface body , the method comprising:a first step of forming a polyaniline nanofiber layer on a surface of a base material;a second step of changing the polyaniline nanofiber layer into a completely oxidized pernigraniline base state;a third step of forming a self-assembled monomolecular film having a polymer polymerization initiation functional group on a surface of the polyaniline nanofiber layer; anda fourth step of forming a silica layer on a surface of the self-assembled monomolecular film.2. The method of claim 1 , wherein:in the first step, the base material is immersed into an aniline monomer solution, and the polyaniline nanofiber layer is formed in an emeraldine salt state at low temperature by oxidative polymerization.3. The method of claim 2 , wherein:the aniline monomer solution comprises at least one of ammonium persulfate, potassium persulfate, and sodium persulfate and at least one of perchloric acid, hydrochloric acid, camphor sulfonic acid, p-toluene sulfonic acid, and dodecylbenzenesulfonic acid.4. The method of claim 1 , wherein:prior to the first step, any one pre-treatment procedure of sand blasting, dry etching, wet etching, a ...

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Номер записи: 79
22-07-2021 дата публикации

THERMOPLASTIC POLYMER-BASED COMPOSITE MATERIAL AND PREPARATION METHOD THEREOF

Номер: US20210221968A1
Автор: Liu Wei, Wang Jun, Yang Xiaoli, ZOU Junjie
Принадлежит:

A thermoplastic polymer-based composite material and a preparation method thereof are provided. The thermoplastic polymer-based composite material is obtained by impregnating a reinforcing material with a mixture or oligomer of an epoxy resin, a bismaleimide resin, and a bifunctional amine (calculated based on active hydrogen), and then performing an in-situ polymerization. The thermoplastic polymer-based composite material has excellent impregnation effect, excellent secondary processing performance, relatively high heat resistance, excellent flame retardancy, and mechanical properties, and excellent comprehensive performance. 1. A thermoplastic polymer-based composite material obtained by an in-situ polymerization reaction after impregnating a reinforcing material with a mixture or an oligomer of a bismaleimide resin , an epoxy resin , and a bifunctional amine; wherein a ratio of the bismaleimide resin , the epoxy resin , and the bifunctional amine is calculated according to the following formula:{'br': None, 'i': M', 'M', '+M, 'sub': H', 'M', 'E, '/()=1.0−1.5'}{'sub': H', 'M', 'E, 'wherein, Mis an amount in mol of active hydrogen functional groups in the bifunctional amine, Mis an amount in mol of maleimide functional groups, and Mis an amount in mol of epoxy functional groups.'}3. The thermoplastic polymer-based composite material according to claim 1 , wherein the bismaleimide resin is a bifunctional compound having maleimide as an active terminating group.4. The thermoplastic polymer-based composite material according to claim 1 , wherein the bifunctional amine is-at least one of a pure substance or a mixed substance claim 1 , and the bifunctional amine has an average functionality of 2 based on active hydrogen.5. The thermoplastic polymer-based composite material according to claim 1 , wherein at least one of a predetermined amount of a multifunctional epoxy resin and a multifunctional amine is added to form a branched polymer or a lightly crosslinked polymer ...

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Номер записи: 80
22-07-2021 дата публикации

COMPOSITION AND METHOD FOR REDUCING ALDEHYDE CONTENT IN POLYURETHANE FOAMS

Номер: US20210222004A1
Автор: Xie Chunping, Yao Shengjun
Принадлежит:

A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol; (b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound; (c) combining the polyol and the additive composition to produce a polyol composition; (d) providing an isocyanate compound; and (e) combining and reacting the polyol composition and the isocyanate composition to produce a polyurethane polymer. 113-. (canceled)14. A method for producing a polyurethane polymer , the method comprising the steps of:(a) providing a polyol;(b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound;(c) combining the polyol and the additive composition to produce a polyol composition;(d) providing an isocyanate compound; and(e) combining and reacting the polyol composition and the isocyanate compound to produce a polyurethane polymer.15. The method of claim 14 , wherein the polyol has a molar mass of about 400 g/mol or more.16. The method of claim 14 , wherein the polyol is a polyether polyol.17. The method of claim 14 , wherein the polyethylenimine compound is added in an amount of about 100 ppm or more based on the weight of the polyol.18. The method of claim 17 , wherein the polyethylenimine compound is added in an amount of about 100 ppm to about 2 claim 17 ,000 ppm based on the weight of the polyol.19. The method of claim 14 , wherein the polyethylenimine compound has a molar mass of about 500 g/mol or more.20. The method of claim 14 , wherein the sulfite compound is sodium sulfite.21. The method of claim 14 , wherein the additive composition comprises about 0.5 to about 5 parts by weight sulfite compound per 1 part by weight of the polyethylenimine compound.22. The method of claim 14 , wherein the sulfite compound is added in an amount of about 100 ppm or more based on the weight of the polyol.23. The method of claim 22 , wherein the sulfite compound is added in an amount of about 100 ppm to about 5 ...

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Номер записи: 81
14-07-2016 дата публикации

COMPOSITE PLASTIC PART WITH IMPROVED ADHESION BETWEEN THE PLASTIC COMPONENTS CONTAINED IN THE COMPOSITE PLASTIC PART

Номер: US20160200883A1
Автор: HABRAKEN Gijsbrecht, Kasaliwal Gaurav Ramanlal, Prusty Manoranjan, Radtke Andreas
Принадлежит: BASF SE

The present invention relates to a plastic composite component (CC) which has a first plastic component (C1) and a second plastic component (C2) and comprises a polyethyleneimine (PEI) for improving the adhesion between C1 and C2. The present invention further relates to a process for producing this plastic composite component (CC), to a process for improving the adhesion between a first plastic component (C1) and a second plastic component (C2) in a plastic composite component (CC) and to the use of polyethyleneimine for improving the adhesion between a first plastic component (C1) and a second plastic component (C2) in a plastic composite component (CC). 115.-. (canceled)16. A process for producing a plastic composite component (CC) comprising the following steps: [ 'and', 'ia) a matrix composition (MC) comprising a polyamide matrix polymer (PAM) and at least one first fiber material (F1) for reinforcement,'}, 'and', 'ib) a surface composition (SC) which comprises a polyamide surface polymer (PAS) and forms a surface of C1,'}], 'a) providing a first plastic component (C1) comprising'}b) molding a second plastic component (C2) comprising a polyamide molding polymer (PAA) onto the surface of C1;whereinSC and/or C2 comprises a polyethyleneimine (PEI) for improving the adhesion between C1 and C2,whereinin step a), C1 is placed into a mold and in step b), C2 is injected into the mold in the molten state.17. The process for producing a plastic composite component (CC) according to claim 16 , wherein the polyethyleneimine (PEI) has a weight-average molecular weight Min the range from 600 to 300 000 g/mol.18. The process for producing a plastic composite component (CC) according to claim 16 , wherein the polyethyleneimine (PEI) comprises primary claim 16 , secondary and tertiary amino groups claim 16 , where the ratio of primary to secondary to tertiary amino groups is in the range from 1:0.8:0.5 to 1:1.3:0.8.19. The process for producing a plastic composite component (CC ...

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Номер записи: 82
11-06-2020 дата публикации

Nanovoided tunable optics

Номер: US20200183200A1
Автор: Andrew John Ouderkirk, Barry David Silverstein, Christopher Yuan Ting Liao, Erik Shipton, Gregory Olegovic Andreev, Kenneth Diest, Robin Sharma, Tanya Malhotra
Принадлежит: Facebook Technologies LLC

An optical element includes a nanovoided polymer layer having a first refractive index in an unactuated state and a second refractive index different than the first refractive index in an actuated state. Compression or expansion of the nanovoided polymer layer, for instance, can be used to reversibly control the size and shape of the nanovoids within the polymer layer and hence tune its refractive index over a range of values, e.g., during operation of the optical element. Various other apparatuses, systems, materials, and methods are also disclosed.

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Номер записи: 83
13-07-2017 дата публикации

PHOSPHAZENE COMPOUND COMPRISING CYANO GROUP, PREPARATION METHOD AND USES THEREOF

Номер: US20170197998A1
Автор: PAN Qingchong
Принадлежит:

The present invention relates to a phosphazene compound comprising cyano group having a molecular structure of Formula (I); wherein, Y and Y′ are independently selected from organic groups; Mand Mare independently selected from phosphazene groups, and Mcontains mphosphorus atoms, and Mcontains mphosphorus atoms; X, X′, X, Xand Xare independently selected from any one of the sixth main-group elements; R and R′ are independently selected from divalent organic groups; a is an integer greater than or equal to 0; b is an integer greater than or equal to 1; and c is an integer greater than or equal to 0; and a+b=2m, d+2=2m. The present invention achieves a synergistic effect with P and N of phosphazene group by introducing cyano group to the phosphazene group, and thus improves thermal stability and flame retardancy of the phosphazene compound, and the compatibility thereof with other components is excellent. The resin composition comprising the phosphazene compound of the present invention has good heat resistance, water resistance, adhesive properties and mechanical properties, and thus the application thereof is widened. 3. The phosphazene compound of claim 1 , wherein Mand Mare any one of cyclotriphosphazene claim 1 , cyclotetraphosphazene or non-cyclic polyphosphazene claim 1 , or a combination of at least two of them.4. The phosphazene compound of claim 1 , wherein Y and Y′ are independently selected from the group consisting of substituted or unsubstituted straight chain alkyl claim 1 , substituted or unsubstituted branched alkyl claim 1 , or substituted or unsubstituted aryl.5. The phosphazene compound of claim 1 , wherein Y and Y′ are independently selected from the group consisting of C-Csubstituted or unsubstituted straight chain alkyl claim 1 , C-Csubstituted or unsubstituted branched alkyl claim 1 , or C-Csubstituted or unsubstituted aryl.6. The phosphazene compound of claim 1 , wherein Y and Y′ are independently selected from the group consisting of phenyl ...

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Номер записи: 84
13-07-2017 дата публикации

Base Material For Wallpaper

Номер: US20170198441A1
Автор: Haggenmuller Georg, Knapp Maximilian Theodor, Najmuschin Dennis, Stelnbeck Rainer, Walter Hermann
Принадлежит:

Described is a base material for dry-peelable wallpaper, having greater dimensional stability and improved printability. The problem is solved by a composite fiber web consisting of a voluminous first layer of fiber material, a thermoplastic polymer film, and a second, less voluminous layer of fiber material. 1. A base material for dry-peelable wallpapers with a multi-layer composite fiber web , comprising a composite fiber web that contains at least one first fiber web with one side pointing towards the surface of the object to be coated when the wallpaper is in use , at least one smoothed second fiber web with one side pointing outwards when the wallpaper is in use and at least one layer of a thermoplastic polymer extruded between the fiber webs , whereby the first fiber web has a greater specific volume than the second smoothed fiber web.2. The base material according to claim 1 , wherein the first fiber web has a specific volume of more than 1.3 cm/g and the second fiber web has a specific volume of less than 1.3 cm/g.3. The base material according to claim 1 , wherein the composite fiber web claim 1 , on the side pointing towards the object to be coated claim 1 , has a smoothness of less than 20 Bekk seconds.4. The base material according to claim 1 , wherein the composite fiber web claim 1 , on the side pointing outwards claim 1 , has a smoothness of at least 20 Bekk seconds.5. The base material according to claim 1 , wherein the extruded layer is a polyolefin layer with a thickness of 5 to 30 g/m.6. The base material according to claim 1 , wherein the voluminous fiber web contains cellulose fibers and polyester fibers in a quantity of 1 to 50% w/w claim 1 , based on the total quantity of the fibers.7. The base material according to claim 1 , wherein the voluminous fiber web contains at least two layers that are connected to each other.8. The base material according to claim 1 , wherein the grammage of the voluminous first fiber web is 50 to 120 g/m.9. The ...

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Номер записи: 85
18-06-2020 дата публикации

METHOD OF COVERING A PLASTIC SURFACE WITH A PERMANENT COATING

Номер: US20200188955A1
Автор: BRIZIN Jérôme, Guyot Julien, VIDAL Sophie, VIOT Frédéric, VIRELIZIER Francois
Принадлежит: COMPAGNIE PLASTIC OMNIUM

The invention particularly relates to a method of applying a permanent coating to a plastic surface of a first part, comprising the following steps: 1. A method of applying a permanent coating to a plastic surface of a first part , the method comprising:applying to the plastic surface a layer of a polyamide-based hot-melt material,maintaining this layer of hot-melt plastic material on the surface for a period of time ranging from a few minutes to several hours,removing this layer of hot-melt material from this plastic surface; andapplying a permanent coating on the surface, the permanent coating being based on polyurethane, an epoxy resin or polyesters, a polycarbonate and/or an acrylic resin.2. The method of claim 1 , wherein no flame treatment step on the plastic surface is carried out.3. The method of claim 1 , wherein the maintaining step comprises a heating step.4. The method according to claim 1 , wherein the hot-melt material is polyamide-based.5. The method according to claim 1 , wherein the hot-melt material is based on polyamide and comprises claim 1 , is based on claim 1 , consists claim 1 , or consists essentially of a C12 polyamide.6. The method according to claim 1 , wherein the part comprising a plastic surface is based on a thermoplastic material selected from the group consisting of acrylonitrile butadiene styrene (ABS) claim 1 , polyamides such as polycaprolactams: [NH—(CH2)5-CO]n (PA-6) claim 1 , and polyhexamethylene adipamides: [NH—(CH2)6-NH—CO—(CH2)4-CO]n (PA-6 claim 1 ,6 claim 1 ,) claim 1 , polycarbonates (PC) claim 1 , high-density polyethylenes (PE-HD) claim 1 , low-density polyethylenes (PE-LD) claim 1 , amorphous or crystalline poly(ethylene terephthalate) (PET) claim 1 , poly(methyl methacrylate) (PMMA) claim 1 , polypropylenes (PP) claim 1 , “crystal” polystyrenes (PS) claim 1 , rigid polyvinyl chloride (PVC) and mixtures thereof.7. The method of claim 6 , wherein the thermoplastic material is polypropylene-based.8. The method of claim ...

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Номер записи: 86
21-07-2016 дата публикации

Method for producing a composite plastic part (ck)

Номер: US20160207238A1
Автор: Andreas Radtke, Gaurav Ramanlal KASALIWAL, Gijsbrecht HABRAKEN, Manoranjan Prusty
Принадлежит: BASF SE

The invention relates to a method for producing a composite plastic part (CK). A first fiber material (F 1 ) is impregnated with a polyamide matrix polymer (PAM), thereby obtaining a matrix composition (MZ), onto which a surface composition (OZ) is applied, and a first plastic component (K 1 ) is obtained. In a second step, a second plastic component (K 2 ) is molded on the first plastic component (K 1 ), whereby the composite plastic part (CK) is obtained. The invention further relates to the composite plastic part (CK) which can be obtained using the method according to the invention. The invention additionally relates to the use of polyethyleneimine (PEI) for improving the impregnation of the first fiber material (F 1 ) with the polyamide matrix polymer (PAM).

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Номер записи: 87
30-07-2015 дата публикации

Polymer Blend for Membranes

Номер: US20150210816A1
Автор: Groth Andrew M., Johnston-Hall Geoffrey, Powell Clem
Принадлежит:

Disclosed herein are aspects and embodiments of hydrophilic polymeric blend and polymeric membranes which may be formed from the hydrophilic polymeric blend. In one example, the polymeric blend includes a hydrophobic membrane forming polymer and a polyoxazoline as a blend compatible hydrophilizing additive. 1. A hydrophilic polymeric blend comprising a compatible mixture of a membrane forming polymer and polyoxazoline , wherein the membrane forming polymer is preferably a hydrophobic polymer.2. The hydrophilic polymeric blend of claim 1 , wherein the membrane forming polymer comprises polyvinylidene fluoride (PVDF).3. The polymeric blend of claim 1 , wherein the polyoxazoline is polyethyloxazoline (PEOAz).4. The polymeric blend of claim 3 , wherein the polyoxazoline has a molecular weight of from about 5 claim 3 ,000 g/mol to about 500 claim 3 ,000 g/mol.5. The polymeric blend of claim 1 , wherein the ratio of the membrane forming polymer to the polyoxazoline is from about 2:1 by weight to about 50:1 by weight claim 1 , preferably from about 3:1 by weight to about 28:1 by weight claim 1 , more preferably from about 3:1 by weight to about 4:1 by weight.6. A hydrophilic porous polymeric membrane comprising a compatible mixture of a membrane forming polymer and polyoxazoline.7. The hydrophilic porous polymeric membrane of claim 6 , wherein the membrane forming polymer is a hydrophobic polymer.8. The hydrophilic porous polymeric membrane of claim 7 , wherein the membrane forming polymer comprises polyvinylidene fluoride (PVDF).9. The hydrophilic porous polymeric membrane of claim 6 , wherein the polyoxazoline is polyethyloxazoline (PEOAz).10. The hydrophilic porous polymeric membrane of wherein the polyoxazoline has a molecular weight of from about 5 claim 6 ,000 g/mol to about 500 claim 6 ,000 g/mol.11. The hydrophilic porous polymeric membrane of claim 6 , wherein the ratio of the membrane forming polymer to the polyoxazoline is from about 2:1 by weight to about 50:1 ...

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Номер записи: 88
18-06-2020 дата публикации

THERMOSETTING RESIN COMPOSITION FOR SEMICONDUCTOR PACKAGE AND PREPREG USING THE SAME

Номер: US20200190313A1
Автор: KIM Won Ki, MIN Hyunsung, MOON Hwayeon, SHIM Changbo, SHIM Hee Yong
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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Номер записи: 89
29-07-2021 дата публикации

Allyl-containing resin and uses of the same

Номер: US20210230335A1
Автор: An-Pang Tu, Ping-Chieh Wang, Shih-De Yang
Принадлежит: Chang Chun Plastics Co Ltd

An allyl-containing resin is provided. The allyl-containing resin comprises a repeating unit comprising a structural unit represented by the following formula (I): wherein, R 1 to R 3 in formula (I) are as defined in the specification; the Fourier transform infrared spectrum of the allyl-containing resin has a signal intensity “a” from 1650 cm −1 to 1630 cm −1 and a signal intensity “b” from 1620 cm −1 to 1560 cm −1 , and 0<a/b≤1.20; and the quantitative 1 H-NMR spectrum of the allyl-containing resin has a signal intensity “c” from 3.2 ppm to 6.2 ppm and a signal intensity “d” from 6.6 ppm to 7.4 ppm, and 0<c/d≤1.20.

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Номер записи: 90
20-07-2017 дата публикации

RESIN COMPOSITION FOR SOLAR-CELL ENCAPSULATING MATERIAL, SOLAR-CELL ENCAPSULATING MATERIAL, AND SOLAR CELL MODULE

Номер: US20170204249A1
Автор: MUROFUSHI Takanobu, TOKUHIRO Jun
Принадлежит: Mitsui Chemicals Tohcello, Inc.

According to the present invention, a resin composition for a solar-cell encapsulating material includes an ethylene•α-olefin copolymer of which an MFR measured based on ASTM D1238 under conditions of 190° C. and a load of 2.16 kg is equal to or less than 10 g/10 minutes, a silane coupling agent, and a hindered amine-based photostabilizer. pH of the hindered amine-based photostabilizer, which is measured by using the following measuring method is equal to or less than 9.0. In the measuring method, the pH is measured by using a potential difference measuring device and by using a solution which contains 10 g of acetone, 1 g of water, and 0.01 g of the hindered amine-based photostabilizer, as a sample. 1. A resin composition for a solar-cell encapsulating material , comprising:an ethylene•α-olefin copolymer of which an MFR measured based on ASTM D1238 under conditions of 190° C. and a load of 2.16 kg is equal to or less than 10 g/10 minutes;a silane coupling agent; anda hindered amine-based photostabilizer,wherein pH of the hindered amine-based photostabilizer, which is measured by using the following measuring method is equal to or less than 9.0, andin the measuring method, the pH is measured by using a potential difference measuring device and by using a solution which contains 10 g of acetone, 1 g of water, and 0.01 g of the hindered amine-based photostabilizer, as a sample.3. The resin composition for a solar-cell encapsulating material according to claim 1 ,wherein the ethylene•α-olefin copolymer further satisfies the following requirements a1) to a3).a1) a content percentage of a constituent unit derived from ethylene is 80 to 90 mol %, and a content percentage of a constituent unit derived from α-olefin having 3 to 20 carbon atoms is 10 to 20 mol %{'sup': '3', 'a2) density measured based on ASTM D1505 is 0.865 to 0.884 g/cm'}a3) Shore A hardness measured based on ASTM D2240 is 60 to 854. The resin composition for a solar-cell encapsulating material according to ...

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Номер записи: 91
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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Номер записи: 92
19-07-2018 дата публикации

COMPOSITIONS CONTAINING POLYANION, ETHOXYLATED CATIONIC POLYMER AND PHYLLOSILICATES FOR IMPROVED OXYGEN BARRIER COATINGS

Номер: US20180201803A1
Автор: Breu Josef, DEETER Gary, FELLER Russell Kenneth, Kalo Hussein, McGUIRE Meaghan, Pietsch Ines, Roschmann Konrad
Принадлежит: BASF SE

Described is an aqueous composition comprising (a) at least one polyanion, (b) at least one ethoxylated cationic polymer, and (c) at least one phyllosilicate. The composition can be used for providing oxygen barrier properties to a polymer film. 1: An aqueous composition , comprising:(a) a polyanion;(b) an ethoxylated cationic polymer; and(c) a phyllosilicate.2: The aqueous composition according to claim 1 , wherein the aqueous composition comprises:(a) from 10 to 90 wt. %, referring to solids content, of the polyanion;(b) from 10 to 90) wt. %, referring to solids content, of the ethoxylated cationic polymer; and(c) from 5 to 75 wt. %, referring to solids content, of the phyllosilicate.3: The aqueous composition according to claim 1 , wherein the polyanion (a) and the ethoxylated cationic polymer (b) are dissolved in the aqueous composition and wherein the polyanion (a) is a polymer comprising acid groups neutralized with at least one base selected from the group consisting of inorganic bases and monovalent organic bases and said polymer comprising acid groups having a weight average molecular weight of at least 10000 g/mol prior to neutralization and wherein said ethoxylated cationic polymer (b) has a weight average molecular weight of at least 2500 g/mol.4: The aqueous composition according to claim 1 , wherein a weight ratio of the polyanion (a) claim 1 , calculated without neutralizing agent claim 1 , to the ethoxylated cationic polymer (b) is from 10:1 to 10:5 and wherein a weight ratio of the sum of polyanion (a) and ethoxylated cationic polymer (b) to phyllosilicate (c) is from 95:5 to 50:50.5: The aqueous composition according to claim 1 , wherein the polyanion is selected from polymers produced from monomers selected from the group consisting of monoethylenically unsaturated Cto Ccarboxylic acids claim 1 , vinylsulfonic acid claim 1 , styrenesulfonic acid claim 1 , acrylamidomethylpropanesulfonic acid claim 1 , vinylphosphonic acid claim 1 , and salts ...

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Номер записи: 93
27-07-2017 дата публикации

COATINGS AND COATED SUBSTRATES WITH IMPROVED BARRIER AND ADHESION CHARACTERISTICS, AND METHODS OF PRODUCING THE SAME

Номер: US20170210867A1
Автор: COOPER Robin, Jacques Francis
Принадлежит:

Embodiments of the present disclosure are directed to primer coatings, polymeric substrates, and methods of producing thereof, which provide enhanced adhesion and enhanced barrier properties. The primer coatings comprise an aqueous mixture of amorphous polyvinyl alcohol, an adhesion promoter comprising one or more of polyethylene and polyurethane, a crosslinker, and optionally, a catalyst. The coated polymeric substrates comprise a polymeric substrate and a coating dispersed over the polymeric substrate, where the coating dispersed over the polymeric substrate comprises amorphous polyvinyl alcohol, an adhesion promoter, and a crosslinker. The methods for making coated polymeric substrates comprise stretching a polymeric substrate, applying a coating of amorphous polyvinyl alcohol, an adhesion promoter, and a crosslinker to at least one surface of the stretched polymeric substrate, and curing the coating onto at least one surface of the stretched polymeric substrate. 1. A primer coating comprising:an aqueous mixture comprising amorphous polyvinyl alcohol, an adhesion promoter comprising one or more of polyethyleneimine and polyurethane, a crosslinker, and optionally, a catalyst.2. The primer coating of claim 1 , wherein the adhesion promoter comprises polyethyleneimine.3. The primer coating of claim 1 , wherein the crosslinker is selected from the group consisting of aldehydes claim 1 , dialdehydes claim 1 , organic salts claim 1 , inorganic salts claim 1 , and combinations thereof.4. The primer coating of claim 1 , wherein the primer coating contains from 3 weight percent (wt %) to 25 wt % amorphous polyvinyl alcohol based on the total weight of the primer coating when in aqueous solution.5. The primer coating of claim 1 , wherein the primer coating contains from 0.05 wt % to 3 wt % of the adhesion promoter based on the total weight of the primer coating when in aqueous solution.6. The primer coating of claim 1 , wherein the primer coating contains from 0.3 wt % to ...

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Номер записи: 94
26-07-2018 дата публикации

Resin Composition, and Prepreg, Metal-Clad Laminate, and Printed Circuit Board Using the Same

Номер: US20180208765A1
Автор: CHEN Meng-Huei, LIU Shur-Fen
Принадлежит:

A resin composition is provided. The resin composition comprises the following: 2. The resin composition of claim 1 , wherein the thermosetting resin constituent comprises a thermosetting resin selected from the group consisting of polyphenylene ether resins containing unsaturated group(s) claim 1 , isocyanurates containing vinyl or allyl group claim 1 , bismaleimide resins claim 1 , epoxy resins claim 1 , and combinations thereof.3. The resin composition of claim 2 , wherein the thermosetting resin constituent comprises a polyphenylene ether resin containing unsaturated group(s) selected from the group consisting of vinyl polyphenylene ether resins claim 2 , allyl polyphenylene ether resins claim 2 , acrylate polyphenylene ether resins claim 2 , methacrylate polyphenylene ether resins claim 2 , and combinations thereof.5. The resin composition of claim 3 , wherein the resin system (a) further comprises a free radical initiator.6. The resin composition of claim 2 , wherein the thermosetting resin constituent comprises triallyl isocyanurate (TAIC) claim 2 , triallyl cyanurate (TAC) claim 2 , or a combination thereof.9. The resin composition of claim 2 , wherein the thermosetting resin constituent comprises an epoxy resin selected from the group consisting of bifunctional epoxy resins claim 2 , tetrafunctional epoxy resins claim 2 , octofunctional epoxy resins claim 2 , linear phenolic epoxy resins claim 2 , and combinations thereof.10. The resin composition of claim 9 , wherein the resin system (a) further comprises a hardener claim 9 , a hardening promoter claim 9 , or a combination thereof.11. The resin composition of claim 1 , wherein the weight ratio of the resin system (a) to the phosphorous-containing flame retardant (b) is 95:5 to 75:30.12. The resin composition of claim 1 , wherein the vinyl-containing elastomer is selected from the group consisting of polybutadiene claim 1 , styrene-butadiene copolymers (SBR) claim 1 , styrene-butadiene-styrene block ...

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Номер записи: 95
25-06-2020 дата публикации

POLYAMIDE MOULDING COMPOSITIONS FOR GLASS COMPOSITES

Номер: US20200199362A1
Автор: AEPLI Etienne, HOFFMANN Botho, STOPPELMANN Georg
Принадлежит: EMS-PATENT AG

Thermoplastic polyamide moulding composition consisting of: 1. A thermoplastic polyamide moulding composition consisting of: at least one aliphatic or semiaromatic polyamide, in each case with C:N ratio of at least 8;', 'at least one aliphatic or semiaromatic polyamide composed of at least one dicarboxylic acid and of at least one diamine, without lactams or aminocarboxylic acids or both or with a proportion below 50 mol percent based on the entirety of dicarboxylic acids and diamine as 100 mol percent, of at least one of lactams or aminocarboxylic acids;', 'and mixtures thereof;, '(A) 30-99.9 percent by weight of at least one polyamide selected from the group consisting of(B) 0.1-5.0 percent by weight of at least one polyethyleneimine (PEI) or copolymers or derivatives thereof;(C) 0-60 percent by weight of fillers and/or reinforcing materials;(D) 0-5.0 percent by weight of additives;where the entirety of (A)-(D) provides 100% of the thermoplastic polyamide moulding composition.2. The moulding composition according to claim 1 , wherein the proportion of component (A) present is 32-94.4 percent by weight;or wherein component (A) consists of:(A1) 20-100 percent by weight of a polyamide selected from the group consisting of: at least one aliphatic semicrystalline polyamide based on acyclic dicarboxylic acids and on acyclic diamines, at least one semiaromatic semicrystalline polyamide based on dicarboxylic acids and on diamines, or a mixture thereof;(A2) 0-80 percent by weight, of a polyamide selected from the group consisting of: at least one amorphous semiaromatic polyamide, at least one cycloaliphatic polyamide, or a mixture thereof,wherein the percentage by weight of components (A1) and (A2) together provide 100% by weight of component (A)or wherein the melting point of the polyamides of component (A1) is at least 170° C.; or wherein the polyamides of component (A2) are selected from the group consisting of: the cycloaliphatic polyamides MACM12/PACM12, MACM14/PACM14 ...

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Номер записи: 96
05-08-2021 дата публикации

POLYIMIDE PRECURSOR-CONTAINING AQUEOUS COMPOSITION, METHOD FOR PRODUCING POLYIMIDE FILM, AND METHOD FOR PRODUCING POROUS POLYIMIDE FILM

Номер: US20210238392A1
Автор: HIROSE Hidekazu, KASHIMA Yasunobu, NAKADA Kosuke, SASAKI Tomoya, YOSHIMURA Kosaku
Принадлежит: FUJI XEROX CO., LTD.

A polyimide precursor-containing aqueous composition contains at least one polymer material selected from the group consisting of a water-insoluble fibrous organic substance and a polyalkylene oxide having a viscosity-average molecular weight of 5 million or more, a polyimide precursor, particles, and water. 1. A polyimide precursor-containing aqueous composition , comprising:at least one polymer material selected from the group consisting of a water-insoluble fibrous organic substance and a polyalkylene oxide having a viscosity-average molecular weight of 5 million or more;a polyimide precursor;particles; andwater.2. The polyimide precursor-containing aqueous composition according to claim 1 , wherein a content of the polymer material is 0.5% by mass or more and 8.0% by mass or less with respect to the polyimide precursor.3. The polyimide precursor-containing aqueous composition according to claim 2 , wherein the content of the polymer material is 1.0% by mass or more and 3.0% by mass or less with respect to the polyimide precursor.4. The polyimide precursor-containing aqueous composition according to claim 1 , wherein a content of the polymer material is 0.05% by mass or more and 15% by mass or less with respect to the particles.5. The polyimide precursor-containing aqueous composition according to claim 2 , wherein the content of the polymer material is 0.05% by mass or more and 15% by mass or less with respect to the particles.6. The polyimide precursor-containing aqueous composition according to claim 3 , wherein the content of the polymer material is 0.05% by mass or more and 15% by mass or less with respect to the particles.7. The polyimide precursor-containing aqueous composition according to claim 4 , wherein the content of the polymer material is 0.1% by mass or more and 2.0% by mass or less with respect to the particles.8. The polyimide precursor-containing aqueous composition according to claim 5 , wherein the content of the polymer material is 0.1% by ...

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Номер записи: 97
04-08-2016 дата публикации

RESIN COMPOSITION, COPPER CLAD LAMINATE AND PRINTED CIRCUIT BOARD USING SAME

Номер: US20160222204A1
Автор: JIA Ningning, LIN Yu-Te, LV Wenfeng, MA Ziqian, TIAN Wenjun, WANG Rongtao
Принадлежит:

The present invention provides a resin composition comprising: (A) 100 parts by weight of epoxy resin; (B) from 10 to 80 parts by weight of benzoxazine resin; (C) from 10 to 50 parts by weight of dicyclopentadiene phenol resin; and (D) from 0.5 to 5 parts by weight of amine hardener; wherein the resin composition is free of diallyl bisphenol A (DABPA). 1. A resin composition comprising:(A) 100 parts by weight of epoxy resin;(B) from 10 to 80 parts by weight of benzoxazine resin;(C) from 10 to 50 parts by weight of dicyclopentadiene phenol resin; and(D) from 0.5 to 5 parts by weight of amine hardener;wherein the resin composition is free of diallyl bisphenol A (DABPA).2. The resin composition according to claim 1 , wherein the weight ratio of said benzoxazine resin:said dicyclopentadiene phenol resin:said amine hardener is (10-60):(15-35):(0.5-3).4. The resin composition according to claim 1 , wherein the amine hardener is at least one selected from the group consisting of diamino diphenylsulfone claim 1 , diamino diphenylmethane claim 1 , diamino diphenyl ether claim 1 , diamino diphenyl sulfide and dicyandiamide.5. The resin composition according to claim 1 , wherein the epoxy resin is at least one selected from the group consisting of bisphenol A epoxy resin claim 1 , bisphenol F epoxy resin claim 1 , bisphenol S epoxy resin claim 1 , bisphenol AD epoxy resin claim 1 , bisphenol A novolac epoxy resin claim 1 , o-cresol novolac epoxy resin claim 1 , trifunctional epoxy resin claim 1 , tetrafunctional epoxy resin claim 1 , dicyclopentadiene type epoxy resin claim 1 , DOPO-containing epoxy resin claim 1 , DOPO-HQ-containing epoxy resin claim 1 , p-xylene epoxy resin claim 1 , naphthalene type epoxy resin claim 1 , benzopyran type epoxy resin claim 1 , biphenyl novolac epoxy resin claim 1 , isocyanate modified epoxy resin claim 1 , phenol benzaldehyde epoxy resin and phenol aralkyl novolac epoxy resin.6. The resin composition according to claim 1 , wherein the ...

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Номер записи: 98
11-08-2016 дата публикации

Structural handling film

Номер: US20160229965A1
Автор: Brandon Madaus, Craig Chmielewski, Dawn Dombrowski
Принадлежит: Zephyros Inc

A handling film to be applied to an adhesive, wherein the handling film comprises a polyhydroxyamino ether thermoplastic, a monofunctional epoxy, and a carboxylated nitrile butadiene elastomer.

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Номер записи: 99
11-08-2016 дата публикации

Lead ion sensors, methods of making and uses thereof

Номер: US20160231271A1
Автор: Meirong Huang, Xingui Li, Yongbo DING
Принадлежит: TONGJI UNIVERSITY

Copolymers including at least one optionally substituted 2-hydroxy-5-sulfonic aniline as a first constituent unit and at least one optionally substituted phenylenediamine as a second constituent unit are disclosed. Compositions containing the copolymers, and methods of making the copolymers are also disclosed. The compositions can also contain for example an ethylene-vinyl acetate copolymer (EVA) and/or electrical conducting additives. The compositions can, for example, be used for detecting lead ions in a sample.

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Номер записи: 100