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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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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 2960. Отображено 100.
02-02-2012 дата публикации

Polymer Having Unsaturated Cycloaliphatic Functionality and Coating Compositions Therefrom

Номер: US20120027974A1
Автор: Benoit Prouvost, Charles Skillman, Greg Paulson, Paul Share, Paul Stenson, Richard H. Evans
Принадлежит: Valspar Sourcing Inc

A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles. In one embodiment, the polymer has at least one unsaturated cycloaliphatic group that is at least bicyclic.

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Номер записи: 1
22-03-2012 дата публикации

Novel aqueous resorcinol-formaldehyde-latex dispersions, adhesion-improved fibres, processes for production thereof and use thereof

Номер: US20120071595A1
Автор: Ana Maria Cano Sierra, Andrea Fruth, Anke Blaul, Armin Eckert, Wilhelm Laufer
Принадлежит: RHEIN CHEMIE RHEINAU GMBH

The present invention relates to novel aqueous resorcinol-formaldehyde-latex dispersion, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.

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Номер записи: 2
26-04-2012 дата публикации

Antiseptic composition for engineering wood production, and engineering wood

Номер: US20120100361A1
Автор: Keijitsu Tanaka, Motoki Tanaka
Принадлежит: SDS Biotech Corp

The present invention provides an antiseptic composition for engineering wood production, which contains epoxyconazole and a thermosetting resin, and engineering wood which is obtained using the antiseptic composition. The antiseptic composition of the present invention enables efficient production of engineering wood such as plywood or laminated veneer lumber (LVL) that has a high antiseptic effect.

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Номер записи: 3
14-06-2012 дата публикации

Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers

Номер: US20120149932A1
Автор: Joesph Gan
Принадлежит: Dow Global Technologies LLC

Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

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Номер записи: 4
23-08-2012 дата публикации

Adhesion composition and textile materials and articles treated therewith

Номер: US20120214934A1
Автор: Shulong Li
Принадлежит: Milliken and Co

This invention relates to improved adhesion compositions and textile materials and articles treated therewith. The improved adhesion composition comprises a non-crosslinked resorcinol-formaldehyde and/or resorcinol-furfural condensate (or a phenol-formaldehyde condensate that is soluble in water), a rubber latex, and an aldehyde component such as 2-furfuraldehyde. The composition may be applied to textile substrates and used for improving the adhesion between the treated textile substrates and rubber materials. End-use articles that contain the treated textile-rubber composite include, without limitation, automobile tires, belts, and hoses as well as printing blankets.

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Номер записи: 5
23-08-2012 дата публикации

Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers

Номер: US20120214953A1
Автор: Joseph Gan
Принадлежит: Dow Global Technologies LLC

Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

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Номер записи: 6
03-01-2013 дата публикации

Rubber adhesive compositions containing vinyl pyridine latex polymers with alternate nitrogen monomers

Номер: US20130000844A1
Автор: Carla B. Dittman McBain, Norman K. Porter
Принадлежит: Omnova Solutions Inc

The invention relates to polymeric latexes that can be used in adhesive compositions, which provide improved bonding of rubber articles to rubber reinforcing articles. The adhesive composition includes a single or a blend of polymeric latexes comprising a conjugated aliphatic monomer, a vinylaromatic monomer, a vinylpyridine monomer, and a nitrogen-containing monomer comprising a reactive N-methylol- or N-alkoxy-functionality. Use of the monomer comprising a nitrogen-containing monomer comprising a reactive N-methylol- or N-alkoxy-functionality allows for reduced amounts of the vinylpyridine monomer in the latex, and enhances the bonding properties of the adhesive composition. Use of the adhesive composition provides economic and chemical advantages for the preparation of reinforced rubberized articles.

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Номер записи: 7
02-05-2013 дата публикации

RESIN COMPOSITION AND MOLDED ARTICLE

Номер: US20130109810A1
Автор: MASUDA Haruhisa, Xie Xuming
Принадлежит:

A resin composition including an aromatic polyether ketone resin (I), and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): 1. A resin composition comprisingan aromatic polyether ketone resin (I), anda fluororesin (II), {'br': None, 'sub': 2', 'f, 'sup': '1', 'CF═CF—R\u2003\u2003(1)'}, 'the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1){'sub': f', '3', 'f', 'f, 'sup': 1', '2', '2, 'wherein Rrepresents —CFor —OR, and Rrepresents a C1 to C5 perfluoroalkyl group;'}the composition comprising the aromatic polyether ketone resin (I) and the fluororesin (II) at a mass ratio (I):(II) of 95:5 to 50:50;the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I) and having an average dispersed particle size of 3.0 μm or smaller.2. The resin composition according to claim 1 ,wherein the fluororesin (II) has an average dispersed particle size of 0.30 μm or smaller.3. The resin composition according to claim 1 ,wherein the fluororesin (II) has a melt flow rate of 0.1 to 100 g/10 min.4. The resin composition according to claim 1 ,wherein the aromatic polyether ketone resin (I) is a polyether ether ketone.5. A molded article comprising the resin composition according to .6. The molded article according to claim 5 , for use as a sliding member.7. The molded article according to claim 5 , which is a sealant claim 5 , gear claim 5 , actuator claim 5 , piston claim 5 , bearing claim 5 , or bushing. The present invention relates to a resin composition and a molded article.Switching from metal components to resin components has recently been actively studied for the purposes of weight saving and cost reduction. The studies have led to practical use of vehicle components, industrial components, and electrical and electronic components formed ...

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Номер записи: 8
04-07-2013 дата публикации

Photosensitive Novolac Resin, Positive Photosensitive Resin Composition Including Same, Photosensitive Resin Film Prepared by Using the Same, and Semiconductor Device Including the Photosensitive Resin Film

Номер: US20130171563A1
Автор: Hyun-Yong Cho, Ji-young Jeong, Jong-Hwa Lee, Min-Kook CHUNG, Myoung-Hwan Cha
Принадлежит: Cheil Industries Inc

Disclosed is a photosensitive novolac resin including a structural unit represented by the following Chemical Formula 1 and structural unit represented by the following Chemical Formula 2, wherein R 11 , R 12 , R 13 , and R 14 in Chemical Formulae 1 and 2 are the same as defined in the detailed description, a positive photosensitive resin composition including the same, a photosensitive resin film fabricated using the same, and a semiconductor device including the photosensitive resin composition.

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Номер записи: 9
11-07-2013 дата публикации

METHOD FOR REDUCING CATALYST FINES IN SLURRY OIL FROM A FLUIDIZED CATALYST CRACKING PROCESS

Номер: US20130175204A1
Автор: McElhinney Micheal
Принадлежит: BAKER HUGHES INCORPORATED

A composition useful for reducing catalyst fines in an FCC slurry oil from a fluid catalytic cracking process is disclosed wherein the composition comprises a first resin which is an nonyl-phenol formaldehyde resin that has been ethoxylated and a second resin which is a p-t-amyl-phenol formaldehyde resin that has been ethoxylated. 1. A composition useful for reducing catalyst fines in a slurry oil from a fluid catalytic cracking process comprising a first resin which is a nonyl-phenol formaldehyde resin that has been ethoxylated and a second resin which is a p-t-amyl-phenol formaldehyde resin that has been ethoxylated.2. The composition of wherein the first resin is prepared using a weight ratio of nonyl phenol to formaldehyde of from about 8.5:1 to about 7.5:1.3. The composition of wherein the ratio of a nonyl-phenol formaldehyde resin to ethylene oxide is from about 1.7:1 to about 1.9:1.4. The composition of wherein the second resin is prepared at a weight ratio of p-t-amyl-phenol to formaldehyde of from about 5.6:1 to about 5.5:1.5. The composition of wherein the ratio of p-t-amyl-phenol formaldehyde resin to ethylene oxide is from about 2.2:1 to about 2.1:1.6. A composition comprising FCC slurry oil and a first resin which is a nonyl-phenol formaldehyde resin that has been ethoxylated and a second resin which is a p-t-amyl-phenol formaldehyde resin that has been ethoxylated.7. The composition of wherein Generally the amount of additive present in the FCC slurry oil is from about 150 ppm to about 2000 ppm.8. A method for reducing catalyst fines in FCC slurry oil comprising treating the FCC slurry oil exiting a fluid catalytic cracking process with a settling aid comprising a first resin which is an nonylphenol formaldehyde resin that has been ethoxylated and a second resin which is an p-t-amyl-phenol formaldehyde resin that has been ethoxylated.9. The method of wherein the first resin is prepared using a weight ratio of nonyl phenol to formaldehyde of from about ...

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Номер записи: 10
25-07-2013 дата публикации

PHOSPHORUS-CONTAINING COMPOUNDS USEFUL FOR MAKING HALOGEN-FREE, IGNITION-RESISTANT POLYMERS

Номер: US20130190445A1
Автор: Gan Joseph
Принадлежит: Dow Global Technologies LLC

Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired. 2. The process of including at least one curing agent.3. The process of including at least one epoxy resin.4. The process of including at least one catalyst.6. The process of wherein the aldehyde is formaldehyde claim 5 , para-formaldehyde or other aldehydes having the general formula RCHO claim 5 , where R is alkyl or aryl group having from 1 to 12 carbon atoms.8. The process of including at least one curing agent.9. The process of including at least one epoxy resin.10. The process of including at least one catalyst. This application is a Division of application Ser. No. 13/462,876 filed on May 3, 2012, application Ser. No. 13/462,876 is a Division application of Ser. No. 12/939,725 filed on Nov. 4, 2012 is a Division of application Ser. No. 11/587,119 filed on Oct. 20, 2006, which is a 371 of PCT/US05/17954 filed on May 20, 2005.The present invention is in the field of phosphorus-containing compounds; their use as flame retardants for polymers, especially for epoxy, polyurethane, thermosetting resins and thermoplastic polymers; and the use of such flame retardant-containing polymers to make protective coating formulations and ignition-resistant fabricated articles, such as electrical laminates, polyurethane foams, and various molded and/or foamed thermoplastic products.Ignition-resistant polymers have typically utilized halogen-containing compounds to provide ignition resistance. However, there has been an increasing demand for halogen-free compositions in ignition-resistant polymers markets. Proposals have been made to use phosphorus-based flame retardants instead of halogenated fire retardants in thermoset epoxy resin formulations as described in, for example, EP A 0384939, ...

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Номер записи: 11
08-08-2013 дата публикации

Polymer compositions comprising poly(arylether ketone)s and graphene materials

Номер: US20130202832A1
Автор: El-Hibri Mohammad Jamal, Kwan Kermit S., Miltner Hans Edouard
Принадлежит: SOLVAY SA

Polymer compositions comprising poly(aryl ether ketone)s and graphene materials. In particular, a polymer composition comprising: A) a poly(arylether ketone) and B) 0.1 to 70 wt. %, based on the combined weight of A) and B), of at least one non-tubular graphene material. Use of such polymer compositions for the manufacture of molded or extruded articles. Molded or extruded articles made from such polymer compositions. 1. A polymer composition comprisingA) a poly(arylether ketone); andB) from 0.1 to 70 wt. %, based on the combined weight of components A) and B), of at least one non-tubular graphene material.2. The polymer composition in accordance with claim 1 , wherein the non-tubular graphene material is a sheet material.3. The polymer composition in accordance with claim 1 , wherein the content of said component B) is at least 0.5 wt. % based on the combined weight of said components A) and B).4. The polymer composition in accordance with claim 3 , wherein the content of said component B) is at least 1 wt. % based on the combined weight of said components A) and B).5. The polymer composition in accordance with claim 1 , wherein the content of said component B) is at most 20 wt. % based on the combined weight of said components A) and B).7. The polymer composition in accordance with claim 1 , further comprising a semicrystalline polymer other than a poly(arylether ketone) in a weight ratio of said poly(arylether ketone) to said semicrystalline polymer of greater or equal to 1.8. The polymer composition in accordance with claim 1 , further comprising an amorphous polymer in a weight ratio of said poly(arylether ketone) to said amorphous polymer of greater or equal to 0.5.10. The polymer composition in accordance with claim 9 , wherein the poly(arylether ketone) comprises one or more of the recurring units of formulae selected from the group consisting of said formulae (6) to (8).11. The polymer composition in accordance with claim 1 , wherein nano-graphene platelets ...

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Номер записи: 12
24-10-2013 дата публикации

Epoxy-based composition, ashesive film, dicing die-bonding film and semiconductor device

Номер: US20130281571A1
Автор: Dong Han Kho, Hyo Sook Joo, Hyo Soon Park, Hyun Jee Yoo, Jang Soon Kim, Jong Wan Hong
Принадлежит: LG Chem Ltd

Provided are an epoxy composition, an adhesive film, a dicing die bonding film and a semiconductor device using the same. Specifically, the epoxy composition and a use thereof are provided, wherein the epoxy composition has a gel content of 5˜20%, measured under certain conditions. The epoxy composition according to the present invention, as an adhesive agent, shows excellent elastic properties, when prepared to have a low glass transition temperature, exhibiting good adhesion at high temperature and having minimal occurrence of burrs during processing. According to the present invention, it is therefore possible to prevent defects owing to die cut shift, during a wire bonding or molding process at high temperature, and obtain a highly reliable semiconductor device owing to the excellent adhesiveness and workability of the adhesive agent.

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Номер записи: 13
05-12-2013 дата публикации

HEAT TREATED POLYMER POWDERS

Номер: US20130323416A1
Автор: Bertelo Christopher A., DeCarmine Anthony, DeFelice Scott F., Garcia-Leiner Manuel A.
Принадлежит: Arkema Inc.

The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes. 1. A process for heat-treating a polymer composition comprising one or more semicrystalline or crystallizable polymorphic polymers , comprising at least the step of heat treating the polymer composition at a temperature below the melting point of the highest melting crystalline form and at or above the melting point of the other crystalline form(s) , for a time that increases the content of the highest melting crystalline form relative to the other crystalline form(s) in the polymer composition.2. The process of claim 1 , further comprising grinding the heat-treated polymer composition into a powder wherein the crystallinity is not reduced and particles are formed having a weight average particle size of between 0.002 nm to 0.1 meter.3. The process of claim 1 , wherein the semicrystalline or crystallizable polymorphic polymers claim 1 , prior to the heat treating claim 1 , are in the form of particles having a weight average particle size of between 0.002 nm to 0.1 meter.4. The process of claim 1 , wherein the polymer composition comprises one or more poly aryl ether ketones or alternating polyketones or mixtures thereof as long as at least one of the polymers is a polymorphic semicrystalline or crystallizable polymer.5. The process of claim 1 , wherein the semicrystalline or crystallizable polymorphic polymers ...

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Номер записи: 14
09-01-2014 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED PRODUCT THEREOF

Номер: US20140008843A1
Автор: Mutsuda Mitsuteru
Принадлежит: DAICEL-EVONIK LTD.

A thermoplastic resin composition of which the molding efficiency can be improved by a high flowability and a high crystallization temperature while ensuring desired physical properties (e.g., strength) in a molded product, and a molded product of the composition are provided. 1. A method for improving moldability of a thermoplastic resin composition , said composition comprising a combination of a first polyetheretherketone and a second polyetheretherketone which have a melt viscosity different from each other ,which comprises adding or mixing the first polyetheretherketone relative to or with the second polyetheretherketone in a weight ratio of about 50/50 to 1/99 as a ratio of the former/the later, and melt-kneading the resultant mixture,{'sup': '−1', 'wherein the first polyetheretherketone has a melt viscosity of 150 to 1500 Pa·s at a temperature of 400° C. and a shear rate of 1216 s, and'}{'sup': '−1', 'the melt viscosity ratio of the first polyetheretherketone relative to the second polyetheretherketone at a temperature of 400° C. and a shear rate of 1216 sis 1.5/1 to 10/1 as a ratio of the former/the latter.'}2. A method according to claim 1 , wherein the melt viscosity ratio of the first polyetheretherketone relative to the second polyetheretherketone at the temperature of 400° C. and the shear rate of 1216 sis 3/1 to 5/1 as a ratio of the former/the latter.3. A method according to claim 1 , wherein the melt viscosity of the second polyetheretherketone at the temperature of 400° C. and the shear rate of 1216 sis 90 to 150 Pa·s.4. A method according to claim 1 , wherein the weight ratio of the first polyetheretherketone relative to the second polyetheretherketone is about 45/55 to 5/95 as a ratio of the former/the later.5. A method according to claim 1 , wherein the weight ratio of the first polyetheretherketone relative to the second polyetheretherketone is about 40/60 to 10/90 as a ratio of the former/the later.6. A method according to claim 1 , which ...

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Номер записи: 15
06-02-2014 дата публикации

POLYETHER ETHER KETONE COMPOSITE MATERIAL

Номер: US20140039127A1
Автор: KIDA TAKESHI
Принадлежит: OLYMPUS CORPORATION

A polyether ether ketone composite material of the present invention includes PEEK and polyolefin, in which the composite material has a single endothermic peak in a DSC. The PEEK and the polyolefin are preferably to have compatibility with each other, and the composite material may have a matrix part formed from the PEEK and a first dispersed part formed from the polyolefin having a particle size of 1 μm or smaller. The composite material may have a matrix part formed from the PEEK and a second dispersed part dispersed in the matrix part, and the second dispersed part may be formed from the PEEK and the polyolefin, a dispersion PEEK is dispersed in the polyolefin, and the second dispersed part has a particle size of 10 μm or smaller. 1. A polyether ether ketone composite material comprising:polyether ether ketone andpolyolefin,wherein the composite material has a single endothermic peak in a Differential Scanning Calorimetry.2. The polyether ether ketone composite material according to claim 1 ,wherein the polyether ether ketone and the polyolefin have compatibility with each other.3. The polyether ether ketone composite material according to claim 1 , wherein the polyether ether ketone composite material has a matrix part formed from the polyether ether ketone and a first dispersed part dispersed in the matrix part claim 1 ,wherein the first dispersed part is formed from the polyolefin and has a particle size of 1 μm or smaller.4. The polyether ether ketone composite material according to claim 1 , wherein the polyether ether ketone composite material has a matrix part formed from t the polyether ether ketone and a second dispersed part dispersed in the matrix part claim 1 ,wherein the second dispersed part is formed from the polyether ether ketone and the polyolefin, the polyether ether ketone being partially dispersed in the polyolefin, and the second dispersed part has a particle size of 10 μm or smaller. 1. Field of the InventionThe present invention relates ...

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Номер записи: 16
20-02-2014 дата публикации

PHOSPHORUS-CONTAINING COMPOUNDS USEFUL FOR MAKING HALOGEN-FREE, IGNITION-RESISTANT POLYMERS

Номер: US20140051796A1
Автор: Gan Joseph
Принадлежит: Dow Global Technologies LLC

Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired. 2. The process of including at least one curing agent.3. The process of including at least one epoxy resin.4. The process of including at least one catalyst.6. The process of wherein the aldehyde is formaldehyde claim 5 , para-formaldehyde or other aldehydes having the general formula RCHO claim 5 , where R is alkyl or aryl group having from 1 to 12 carbon atoms.7. The process of including at least one curing agent. This application is a Division of application Ser. No. 13/790,136 filed Mar. 8, 2013; which is a Division of application Ser. No. 13/462,876 filed on May 3, 2012, application Ser. No. 13/462,876 is a Division application of Ser. No. 12/939,725 filed on Nov. 4, 2012 is a Division of application Ser. No. 11/587,119 filed on Oct. 20, 2006, which is a 371 of PCT/US05/17954 filed on May 20, 2005.The present invention is in the field of phosphorus-containing compounds; their use as flame retardants for polymers, especially for epoxy, polyurethane, thermosetting resins and thermoplastic polymers; and the use of such flame retardant-containing polymers to make protective coating formulations and ignition-resistant fabricated articles, such as electrical laminates, polyurethane foams, and various molded and/or foamed thermoplastic products.Ignition-resistant polymers have typically utilized halogen-containing compounds to provide ignition resistance. However, there has been an increasing demand for halogen-free compositions in ignition-resistant polymers markets. Proposals have been made to use phosphorus-based flame retardants instead of halogenated fire retardants in thermoset epoxy resin formulations as described in, for example, EP A 0384939, EP A 0384940, EP A 0408990, ...

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Номер записи: 17
10-04-2014 дата публикации

METHOD FOR PREPARING PHENOL-FORMALDEHYDE RESINS, RESIN MATERIALS AND METHOD FOR PREPARING RESIN MOLDING MATERIALS

Номер: US20140100308A1
Автор: HSU Wen-Chuan, TSENG I-Min, Wong Jinn-Jong, YUE Hua-Tang
Принадлежит: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

A method for preparing a phenol-formaldehyde resin is provided. The method includes extracting a biomass pyrolysis oil to obtain a first phenolic mixture, mixing the first phenolic mixture, furfural and an alkaline catalyst to proceed to a first polymerization reaction to form a phenol-formaldehyde resin precursor solution, and adding the alkaline catalyst to the phenol-formaldehyde resin precursor solution to proceed to a second polymerization reaction to form a phenol-formaldehyde resin solution. The disclosure also provides a resin material prepared from the phenol-formaldehyde resin. The disclosure further provides a method for preparing a resin molding material. 1. A method for preparing a phenol-formaldehyde resin , comprising the following steps:extracting a biomass pyrolysis oil to obtain a first phenolic mixture;mixing the first phenolic mixture, furfural and an alkaline catalyst to proceed to a first polymerization reaction to form a phenol-formaldehyde resin precursor solution; andadding the alkaline catalyst to the phenol-formaldehyde resin precursor solution to proceed to a second polymerization reaction to form a phenol-formaldehyde resin solution.2. The method for preparing a phenol-formaldehyde resin as claimed in claim 1 , wherein the first phenolic mixture comprises at least two of phenol claim 1 , 2-cresol claim 1 , 4-cresol claim 1 , 3-cresol claim 1 , guaiacol claim 1 , 2 claim 1 ,6-dimethyl phenol claim 1 , 2 claim 1 ,4-dimethyl phenol claim 1 , 4-ethyl phenol claim 1 , m-ethyl phenol claim 1 , 2-methoxy-4-methyl phenol claim 1 , 1 claim 1 ,2-benzenediol claim 1 , 3 claim 1 ,4-xylenol claim 1 , 4-ethyl-m-cresol claim 1 , 3-methoxy catechol claim 1 , 3-methylpyrocatechol claim 1 , 1 claim 1 ,4-benzenediol claim 1 , 4-ethyl guaiacol claim 1 , 4-methyl catechol claim 1 , 4-vinyl-2-methoxy phenol claim 1 , 2-methyl-1 claim 1 ,4-benzenediol claim 1 , 2 claim 1 ,6-dimethoxy phenol claim 1 , 2-methoxy-4-propyl phenol claim 1 , isoeugenol claim 1 , 2- ...

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Номер записи: 18
03-01-2019 дата публикации

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

Номер: US20190002685A1
Автор: Doering Manfred, Meier Christoph, PARLEVLIET Patricia
Принадлежит:

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

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Номер записи: 19
11-01-2018 дата публикации

HIGH-RIGIDITY RUBBER COMPOSITION

Номер: US20180009972A1
Автор: Doisneau David, GAVARD-LONCHAY ODILE, THUILLIEZ ANNE-LISE
Принадлежит:

A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures of these compounds. 116.-. (canceled)17. A rubber composition comprising at least one phenol/aldehyde resin based on:at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted; andat least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures thereof.18. The rubber composition according to claim 17 , wherein the at least one aromatic ring bears three hydroxyl functions in the meta position relative to one another.19. The rubber composition according to claim 17 , wherein the two positions ortho to each hydroxyl function are unsubstituted.20. The rubber composition according to claim 17 , wherein the remainder of the at least one aromatic ring is unsubstituted.21. The rubber composition according to claim 17 , wherein the at least one aromatic polyphenol comprises several aromatic rings claim 17 , at least two of these each bearing at least two hydroxyl functions in the meta position relative to one another claim 17 , the two positions ortho to at least one of the hydroxyl functions of at least one aromatic ring being unsubstituted.22. The rubber composition according to claim 21 , wherein at least one of the aromatic rings of the at least one aromatic polyphenol bears three hydroxyl functions in the meta position relative to one another.23. The rubber composition according to claim 21 , wherein ...

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Номер записи: 20
11-01-2018 дата публикации

RESIN COMPOSITION, RESIN SHEET, AND CURED RESIN MATERIAL AND METHOD FOR PRODUCING THE SAME

Номер: US20180009979A1
Автор: Hara Naoki, Joumen Masayoshi, Katagi Hideyuki, Miyazaki Yasuo, Nishiyama Tomoo, SUE Haruaki, Takahashi Hiroyuki, Takezawa Yoshitaka, Tanaka Hiroyuki, Yoshihara Kensuke
Принадлежит:

A resin composition constituted by containing an epoxy resin monomer having a mesogenic structure, a novolac resin containing a compound having a structural unit represented by the following general formula (I), and an inorganic filler is superior in preservation stability before curing, and can attain high thermal conductivity after curing. 112-. (canceled)14. The power semiconductor device according to claim 13 , wherein a monomer content of the novolac resin is from 5% by mass to 80% by mass.17. The power semiconductor device according to claim 13 , wherein the novolac resin further comprises a phenolic structural unit derived from a phenolic compound claim 13 , other than the resorcinol structural unit.18. The power semiconductor device according to claim 13 , wherein the resin composition further comprises a coupling agent.20. The power semiconductor device according to claim 19 , wherein a monomer content of the novolac resin is from 5% by mass to 80% by mass.23. The power semiconductor device according to claim 19 , wherein the novolac resin further comprises a phenolic structural unit derived from a phenolic compound claim 19 , other than the resorcinol structural unit.24. The power semiconductor device according to claim 19 , wherein the resin composition further comprises a coupling agent.26. The power semiconductor device according to claim 25 , wherein a monomer content of the novolac resin is from 5% by mass to 80% by mass.29. The power semiconductor device according to claim 25 , wherein the novolac resin further comprises a phenolic structural unit derived from a phenolic compound claim 25 , other than the resorcinol structural unit.30. The power semiconductor device according to claim 25 , wherein the resin composition further comprises a coupling agent. The present invention relates to a resin composition, a resin sheet, and a cured resin material and a method for producing the same.In step with progress of the movement toward smaller size, larger ...

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Номер записи: 21
10-01-2019 дата публикации

COMPOUND, RESIN, COMPOSITION, RESIST PATTERN FORMATION METHOD, AND CIRCUIT PATTERN FORMATION METHOD

Номер: US20190010108A1
Автор: ECHIGO Masatoshi, Sato Takashi, TOIDA Takumi
Принадлежит:

The present invention employs a compound represented by the following formula (0): 7. A resin obtained with the compound according to as a monomer.10. A composition comprising one or more selected from the group consisting of the compound according to .11. The composition according to claim 10 , further comprising a solvent.12. The composition according to claim 10 , further comprising an acid generating agent.13. The composition according to claim 10 , further comprising an acid crosslinking agent.14. The composition according to claim 10 , wherein the composition is used in film formation for lithography.15. The composition according to claim 10 , wherein the composition is used in optical component formation.16. A method for forming a resist pattern claim 14 , comprising the steps of: forming a photoresist layer on a substrate using the composition according to ; and then irradiating a predetermined region of the photoresist layer with radiation for development.17. A method for forming a resist pattern claim 14 , comprising the steps of: forming an underlayer film on a substrate using the composition according to ; forming at least one photoresist layer on the underlayer film; and then irradiating a predetermined region of the photoresist layer with radiation for development.18. A method for forming a circuit pattern claim 14 , comprising the steps of: forming an underlayer film on a substrate using the composition according to ; forming an intermediate layer film on the underlayer film using a resist intermediate layer film material; forming at least one photoresist layer on the intermediate layer film; then irradiating a predetermined region of the photoresist layer with radiation for development claim 14 , thereby forming a resist pattern; and then etching the intermediate layer film with the resist pattern as a mask claim 14 , etching the underlayer film with the obtained intermediate layer film pattern as an etching mask claim 14 , and etching the substrate ...

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Номер записи: 22
14-01-2021 дата публикации

AROMATIC ALCOHOL-LIGNIN-ALDEHYDE RESINS AND PROCESSES FOR MAKING AND USING SAME

Номер: US20210009764A1
Автор: MADDIX Copeland C., Williamson Bobby L.
Принадлежит:

Aromatic alcohol-lignin-aldehyde resins and process for making and using same. In some examples, a process for making a resin can include heating a first mixture that includes a lignin, an aromatic alcohol, and a base compound to produce a second mixture that can include an activated lignin, the aromatic alcohol, and the base compound. The second mixture can be heated with an aldehyde to produce a third mixture that can include an aromatic alcohol-lignin-aldehyde resin and unreacted free aldehyde. In some examples, an aromatic alcohol-lignin-aldehyde resin can be or include a co-polymer of an activated lignin, an aromatic alcohol, and an aldehyde. A weight ratio of the activated lignin to the aromatic alcohol can be about 20:80 to about 95:5. 1. A process for making a resin , comprising:heating a first mixture comprising a lignin, an aromatic alcohol, and a base compound to produce a second mixture comprising an activated lignin, the aromatic alcohol and the base compound; andheating the second mixture and an aldehyde to produce a third mixture comprising an aromatic alcohol-lignin-aldehyde resin and unreacted free aldehyde.2. The process of claim 1 , further comprising reacting at least a portion of the unreacted free aldehyde in the third mixture and an aldehyde scavenger to produce a fourth mixture comprising the aromatic alcohol-lignin-aldehyde resin and the unreacted free aldehyde claim 1 , wherein an amount of the unreacted free aldehyde in the fourth mixture is less than an amount of the unreacted free aldehyde in the third mixture.3. The process of claim 2 , wherein the aldehyde scavenger comprises urea claim 2 , an aminotriazine claim 2 , a cycloaliphatic guanamine claim 2 , 2-cyanoguanidine claim 2 , ammonium hydroxide claim 2 , sodium sulfite claim 2 , sodium bisulfite claim 2 , or a mixture thereof.4. The process of claim 1 , wherein the aromatic alcohol comprises an aromatic alcohol having a chemical structure of R—(OH) claim 1 , wherein R is an ...

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Номер записи: 23
10-01-2019 дата публикации

LIQUID PHENOLIC RESOL RESIN, METHOD FOR PREPARING LIQUID PHENOLIC RESOL RESIN, AND ARTICLE

Номер: US20190010416A1
Автор: Suzuki Yuji
Принадлежит: SUMITOMO BAKELITE CO., LTD.

Provided is a liquid phenolic resol resin containing a partial structure represented by General Formula (P-1) [in the formula, R, Rand Reach independently represent a hydrogen atom or —CHOH, Rrepresents a linear unsaturated hydrocarbon group having or more carbon atoms, and * represents a bond]. 2. A method for preparing the liquid phenolic resol resin according to claim 1 , comprisinga first step of obtaining a phenolic compound (B) by reacting phenols (A1), in which a linear unsaturated in hydrocarbon group having 10 or more carbon atoms is bonded to at least one or more meta-positions, in the presence of an acid catalyst; anda second step of reacting the phenolic compound (B) with phenols (A2) other than the phenols (A1) (here, a hydrogen atom bonded to a benzene ring having a phenolic hydroxyl group may be substituted with a substituent) and aldehydes (C) in the presence of a base catalyst.4. The method for preparing the liquid phenolic resol resin according to claimwherein the phenols (A1) are at least one or more phenols selected from the group consisting of cardanol, cardol, and 2-methyl cardol.5. An article comprising:a substrate: and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a cured product of a composition containing the liquid phenolic resol resin according to .'}6. The article according to that is a wet-type paper friction material. The present invention relates to a liquid phenolic resol resin, a method for preparing a liquid phenolic resol resin, and an article.Priority is claimed on Japanese Patent Application No. 2015-207255 filed on Oct. 21, 2015, the content of which is incorporated herein by reference.A phenolic resin which is a thermosetting resin is widely used mainly as a binder for binding the materials becoming a substrate of a molded article to each other. Owing to its excellent mechanical characteristics, electric characteristics, and adhesiveness, the phenolic resin is used in various fields. Particularly, in recent years, the ...

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Номер записи: 24
10-02-2022 дата публикации

COMPOSITIONS FOR PRODUCING FOAMED MATERIALS

Номер: US20220041827A1
Автор: Bölke Rosel, Dahlhaus Daniel, Schröter Stephan
Принадлежит:

The invention relates to a composition for the production of foams based on phenolic resin, use thereof, and a process for the production of the composition. For provision of a composition for the production of foams based on phenolic resin, where the said composition delivers improved reaction to fire with, in essence, no alteration of further important foam properties, it is proposed that the composition comprises an alkoxylated novolak, wherein the novolak is produced using phenol, cresol and/or xylenol. 1. A composition for the production of foams based on phenolic resin comprisingan alkoxylated novolak, wherein the novolak is produced using phenol, cresol, xylenol, and combinations thereof.2. The composition of claim 1 , wherein the degree of alkoxylation of the alkoxylated novolak comprises from 5 to 100%.3. The composition of claim 1 , wherein the alkoxylated novolak comprises an ethoxylated novolak claim 1 , a propoxylated novolak claim 1 , or both.4. The composition of claim 3 , wherein the alkoxylated novolak comprises a binary mixture of ethoxylated novolak and propoxylated novolak.5. The composition of claim 1 , wherein the alkoxylated novolak comprises a co-condensate obtained from reaction of at least two different alkoxylating agents with at least one novolak.6. The composition of claim 1 , wherein the novolak comprises a polyalkoxylated novolak.7. The composition of claim 1 , wherein the alkoxylated novolak comprises from 5 to 50% by weight based on the weight of the condensate used of a phenolic compound and formaldehyde.8. The composition of claim 1 , further comprising components selected from the group consisting of additives claim 1 , surfactants claim 1 , emulsifiers claim 1 , plastifying agents claim 1 , solvents claim 1 , hardeners claim 1 , blowing agents claim 1 , and combinations thereof.9. The process of claim 10 , wherein the alkoxylated novolak is used in a form dissolved in a solvent or solvent mixture.10. A process for the production ...

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Номер записи: 25
24-04-2014 дата публикации

CYANATE ESTER RESIN COMPOSITION, AND A PREPREG, A LAMINATED MATERIAL AND A METAL CLAD LAMINATED MATERIAL MADE THEREFROM

Номер: US20140113150A1
Автор: Tang Jun-Qi
Принадлежит: GUANGDONG SHENGYI SCI.TECH CO., LTD.

The present invention relates to a cyanate ester resin composition and a prepreg, a laminated material and a metal clad laminated material made therefrom. The cyanate ester resin composition comprises cyanate ester resin, non-halogen epoxy resin, and inorganic filler material, and the structural formula of the cyanate ester resin is as the following: 3. The cyanate ester resin composition of claim 1 , wherein the inorganic filler material is silica claim 1 , boehmite claim 1 , mixture of silica and boehmite.4. The cyanate ester resin composition of claim 1 , wherein the usage amount of the cyanate ester resin comprises 10-90 wt % of the total amount of the cyanate ester resin and the non-halogen epoxy resin claim 1 , and the usage amount of the non-halogen epoxy resin comprises 90-10 wt % of the total amount of the cyanate ester resin and the non-halogen epoxy resin.5. The cyanate ester resin composition of claim 1 , wherein the usage amount of the corresponding inorganic filler material is 10-300 parts by weight claim 1 , when the total amount of the cyanate ester resin and the non-halogen epoxy resin in the cyanate ester resin composition is 100 parts by weight.6. The cyanate ester resin composition of claim 1 , wherein the cyanate ester resin composition also comprises a maleimide compound.7. The cyanate ester resin composition of claim 6 , wherein the usage amount of the maleimide compound comprises 5-80 wt % of the total amount of the cyanate ester resin and the maleimide compound.8. A prepreg made from the cyanate ester resin composition of claim 1 , wherein the prepreg comprises a substrate material claim 1 , and the cyanate ester resin composition adhering to the substrate material after the substrate material being dipped in the cyanate ester resin composition and then being dried.9. A laminated material made from the prepreg of claim 8 , wherein the laminated material comprises at least one prepreg that is laminated and cured to obtain the laminated ...

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Номер записи: 26
01-05-2014 дата публикации

Tacky Finish and Textile Materials and Articles Treated Therewith

Номер: US20140116596A1
Автор: Dany Michiels, Shulong Li, Sofie A. Christiaens
Принадлежит: Milliken and Co

This invention relates to tacky finishes and to the textile materials and articles treated with the tacky finishes. The tacky finishes provide improved processing features for end-use articles that contain such finishes. The tacky finish may be combined with other adhesion promotion finishes in the treatment of textile materials. The textile materials and articles may be used as rubber reinforcing materials, such as automotive tire cap ply, single end tire cord, carcass reinforcement and side wall reinforcement. End-use articles that contain the treated textile materials include rubber-containing materials such as automobile tires, belts, and hoses. This invention also relates to the methods for manufacturing the treated textile materials and articles.

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Номер записи: 27
04-02-2021 дата публикации

MULTIPHASE FERRITES AND COMPOSITES COMPRISING THE SAME

Номер: US20210032121A1
Автор: CHEN Yajie, Li Qifan
Принадлежит:

In an aspect, a multiphase ferrite comprises a CoW phase that is optionally doped with Ru; a CFO phase having the formula Me“CoFeO, wherein Me” is at least one of Ni, Zn, or Mg, r is 0 to 0.5, and z is −0.5 to 6 0.5; and a CoRu-BaM phase having the formula BaCoRuFeO, wherein x is 0 to 2, y is 0.01 to 2; and the Ba can be partially replaced by at least one of Sr or Ca. In another aspect, a composite can comprise a polymer and the multiphase ferrite. In yet another aspect, a method of making a multiphase ferrite can comprise mixing and grinding a CoRu-BaM phase ferrite and a CFO phase ferrite to form a mixture; and sintering the mixture in an oxygen atmosphere to form the multiphase ferrite. 1. A multiphase ferrite comprising:{'sub': '2', 'a CoW phase that optionally comprises Ru;'}{'sub': r', '1−r', '2+z', '4, 'a CFO phase having the formula Me“CoFeO, wherein Me” is at least one of Ni, Zn, or Mg, r is 0 to 0.5, and z is −0.5 to 0.5; and'}{'sub': x+y', 'y', '12−(2/3)x−2y', '19, 'a CoRu-BaM phase having the formula BaCoRuFeO, wherein x is 0 to 2, y is 0.01 to 2; and the Ba is optionally partially replaced by at least one of Sr or Ca.'}2. The multiphase ferrite of claim 1 , wherein the multiphase ferrite comprises:{'sub': '2', '50 to 95 volume percent of the CoW phase;'}1 to 20 volume percent of the CFO phase; and5 to 50 volume percent of the CoRu-BaM phase;all based on the total volume of the multiphase ferrite.3. The multiphase ferrite of claim 1 , wherein the CoW phase comprises Ru.4. A composite comprising:a multiphase ferrite; anda polymer; [{'sub': '2', 'CoW phase that is optionally doped with Ru;'}, {'sub': r', '1−r', '2+z', '4, 'a CFO phase having the formula Me“CoFeO, wherein Me” is at least one of Ni, Zn, or Mg, r is 0 to 0.5, and z is −0.5 to 0.5; and'}], 'wherein the multiphase ferrite has'}{'sub': x+y', 'y', '12−(2/3)x−2y', '19, 'a CoRu-BaM phase having the formula BaCoRuFeO, wherein x is 0 to 2, y is 0.01 to 2; and the Ba is optionally partially replaced ...

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Номер записи: 28
04-02-2021 дата публикации

RESIN COMPOSITION

Номер: US20210032457A1
Автор: KAWAI Kenji, OOISHI Ryohei
Принадлежит: AJINOMOTO CO., INC.

A resin composition includes (A) a polyolefin epoxy resin, (B) an epoxy resin having a condensed polycyclic aromatic hydrocarbon, (C) a nitrogen-containing novolak resin, and (D) an inorganic filler, in which an epoxy equivalent of the (A) component is 200 g/eq. or more, a nitrogen content in the (C) component is 13% by mass or more and/or the (C) component has a cresol novolak structure, and a content of the (D) component is 60% by mass or more on the basis of 100% by mass of non-volatile components in the resin composition. 1. A resin composition , comprising:(A) at least one polyolefin epoxy resin;(B) at least one epoxy resin containing a condensed polycyclic aromatic hydrocarbon;(C) at least one nitrogen-containing novolak resin; and(D) at least one inorganic filler, whereinan epoxy equivalent of said (A) at least one polyolefin epoxy resin is 200 g/eq. or more,a nitrogen content in said (C) at least one nitrogen-containing novolak resin is 13% by mass or more and/or said (C) at least one nitrogen-containing novolak resin has a cresol novolak structure, anda content of said (D) at least one inorganic filler is 60% by mass or more based on 100% by mass of non-volatile components in said resin composition.2. The resin composition according to claim 1 , wherein said (A) at least one polyolefin epoxy resin comprises a polybutadiene epoxy resin.3. The resin composition according to claim 1 , wherein the epoxy equivalent of said (A) at least one polyolefin epoxy resin is 250 g/eq. or less.4. The resin composition according to claim 1 , wherein a number-average molecular weight (Mn) of said (A) at least one polyolefin epoxy resin is 4 claim 1 ,000 or less.5. The resin composition according to claim 1 , wherein said (A) at least one polyolefin epoxy resin is present in an amount of 1.5% by mass to 10% by mass based on 100% by mass of non-volatile components in said resin composition.6. The resin composition according to claim 1 , wherein an epoxy equivalent of said (B) ...

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Номер записи: 29
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: 30
06-02-2020 дата публикации

CYANATE ESTER DUAL CURE RESINS FOR ADDITIVE MANUFACTURING

Номер: US20200039141A1
Автор: Menyo Matthew S., Rolland Jason P.
Принадлежит:

A method of forming a three-dimensional object is carried out by: (a) providing a cyanate ester dual cure resin; (b) forming a three-dimensional intermediate from said resin, where said intermediate has the shape of, or a shape to be imparted to, said three-dimensional object, and where said resin is solidified by exposure to light; (c) optionally washing the three-dimensional intermediate, and then (d) heating and/or microwave irradiating said three-dimensional intermediate sufficiently to further cure said resin and form said three-dimensional object. Compositions useful for carrying out the method, and products made from the method, are also described. 1. A method of forming a three-dimensional object , comprising:(a) providing a cyanate ester dual cure resin;(b) forming, by additive manufacturing, a three-dimensional intermediate from said resin, where said intermediate has the shape of, or a shape to be imparted to, said three-dimensional object, and wherein said resin is solidified by exposure to light;(c) optionally washing the three-dimensional intermediate, and then(d) heating and/or microwave irradiating said three-dimensional intermediate sufficiently to further cure said resin and form said three-dimensional object; (i) a photoinitiator;', '(ii) monomers and/or prepolymers that are polymerizable by exposure to actinic radiation or light;', '(iii) optionally, a light absorbing pigment or dye;', '(iv) a metal catalyst;', {'br': None, 'sub': 'm', 'R\ue8a0O·C≡N\ue8a0\u2003\u2003(I)'}, '(v) at least one cyanate ester compound, and/or a prepolymer thereof, each said cyanate ester compound independently having a structure of Formula I], 'wherein said cyanate ester dual cure resin comprises '(vi) optionally a filler;', 'wherein m is 2, 3, 4, or 5, and R is an aromatic or aliphatic group; and'}2. The method of claim 1 , wherein R is a phenyl group.3. The method of claim 1 , wherein R is a phenyl claim 1 , biphenyl claim 1 , naphthyl claim 1 , bis(phenyl)methane ...

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Номер записи: 31
07-02-2019 дата публикации

CURABLE RESIN AS A SUBSTITUTE FOR PHENOLIC RESINS AND THE APPLICATIONS THEREOF

Номер: US20190040178A1
Автор: Coqueret Xavier, DEFOORT Brigitte, Lesamber Cécile, Rivieres Bastien
Принадлежит:

The invention relates to a curable resin that represents an excellent substitute for phenolic resins and is therefore able to replace phenolic resins in all applications in which they are used. Said resin is characterised in that it comprises: (1) at least one prepolymer resulting from the prepolymerisation of a compound A comprising at least one aromatic or heteroaromatic ring, a first group —O—CH2-C≡CH and at least one second group selected from the groups —O—CH2-C≡CH2 and —CH2-CH═CH2, said groups being carried by the at least one aromatic or heteroaromatic ring; and (2) a compound B comprising at least two thiol groups (—SH). The invention also relates to a material obtained by curing said curable resin, and in particular to an ablative composite material. The invention further relates to a material obtained by curing said curable resin. 1. A curable resin , comprising:{'sub': 2', '2', '2', '2, '(1) at least one prepolymer resulting from a polymerization of a compound A, wherein the Compound A comprises at least one aromatic or heteroaromatic cycle, a first group which is a —O—CH—C≡CH group, and at least one second group which is a —O—CH—C≡CH or —CH—CH═CHgroups, the first and second groups being borne by the aromatic cycle or heteroaromatic cycle; and'}(2) a compound B comprising at least two thiol groups.2. The curable resin of claim 1 , wherein the compound A is a product of a propargylation of a compound A′ claim 1 , wherein the Compound A′ comprises at least one aromatic or heteroaromatic cycle claim 1 , a first group which is a hydroxyl or carboxyl group claim 1 , and at least one second group which is a hydroxyl claim 1 , carboxyl or —CH—CH═CHgroup claim 1 , the first and second groups being borne by the aromatic or heteroaromatic cycle.3. The curable resin of claim 2 , wherein said compound A′ is an allylated monophenol claim 2 , a polyphenol claim 2 , a phenolic acid or a polycarboxylic acid with one or more aromatic or heteroaromatic cycles.4. The ...

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Номер записи: 32
07-02-2019 дата публикации

COMPOUNDED RUBBER HAVING IMPROVED THERMAL TRANSFER

Номер: US20190040225A1
Автор: Christopher Alyson M., Smith Greggory C., Tassinari Oliver W., Villalpando-Paez Federico, Zhang Ping
Принадлежит:

A compounded elastomer exhibiting excellent mechanical and heat transfer properties is described. The elastomer can include two or more different carbon blacks, and one of the carbon blacks is a partially crystallized carbon black. 1. A compounded elastomer comprising:an elastomeric resin;a first carbon black;{'sup': 3', '3', '2, 'sub': 'a', 'a second carbon black different from the first carbon black, the second carbon black a partially crystallized carbon black having an OAN structure of greater than 120 cm/100 g and less than 200 cm/100 g, a surface energy of less than 10 mJ/mand a Raman microcrystalline planar size (L) of greater than or equal to 25 Å and less than or equal to 50 Å.'}2. The compounded elastomer of wherein the weight ratio of the first carbon black to the second carbon black is less than 2:1 and greater than 1:2.3. The compounded elastomer of wherein the elastomer is selected from butyl rubber claim 1 , halobutyl rubber claim 1 , nitrile claim 1 , hydrogenated nitrile butadiene rubber (HNBR) claim 1 , ETDM claim 1 , polychloroprene rubber claim 1 , acrylonitrile butadiene rubber claim 1 , hydrogenated nitrile rubber claim 1 , fluoroelastomers claim 1 , polyacrylate elastomers claim 1 , ethylene propylene diene monomer (EPDM) claim 1 , ethylene vinyl acetate elastomers (EVA) claim 1 , polysulfide elastomers claim 1 , natural rubber and styrene butadiene rubber.4. The compounded elastomer of wherein the thermal conductivity of the compounded elastomer is greater than 0.29 W/mK.5. The compounded elastomer of wherein the cured elastomer exhibits a tensile strength of greater than 14.00 MPa and elongation at break of greater than 550% and/or an ((elongation at break)×(tensile strength))/100% of greater than 80.6. The compounded elastomer of wherein the second carbon black is a carbon black that has been thermally treated at a temperature between 1100° C. and 1800° C.7. The compounded elastomer of wherein the second carbon black has a percent ...

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Номер записи: 33
18-02-2016 дата публикации

CO-CONDENSATE AND METHOD FOR PRODUCING THE SAME, AND RUBBER COMPOSITION CONTAINING THE SAME

Номер: US20160046754A1
Автор: MATSUI Kazuhiro, OTA Yoshiteru, SATO Nobuyuki
Принадлежит: TAOKA CHEMICAL CO., LTD.

The present invention provides a co-condensate containing a structural unit derived from p-tert-butylphenol, a structural unit derived from o-phenylphenol, and a structural unit derived from resorcin, and having a softening point of 150° C. or lower; a method for producing the co-condensate including reacting a mixture of p-tert-butylphenol and o-phenylphenol with formaldehyde in the presence of an alkali, and then reacting resorcin in a 0.8-fold molar amount or more relative to a total amount of p-tert-butylphenol and o-phenylphenol; and a rubber composition containing the co-condensate. 2. The co-condensate according to claim 1 , whereina free resorcin content is 5 wt % or lower.3. The co-condensate according to claim 1 , whereinthe co-condensate is a condensate of p-tert-butylphenol, o-phenylphenol and resorcin, and formaldehyde.4. A method for producing the co-condensate according to claim 1 , comprising claim 1 , in a following order claim 1 , the steps of:reacting a mixture of p-tert-butylphenol and o-phenylphenol with formaldehyde in the presence of an alkali; andfurther reacting resorcin in a 0.8-fold molar amount or more relative to a total amount of p-tert-butylphenol and o-phenylphenol.5. The method for producing the co-condensate according to claim 4 , comprising the steps of:reacting the mixture of p-tert-butylphenol and o-phenylphenol with formaldehyde in the presence of the alkali; andmixing the resulting co-condensate with resorcin, and reacting the mixture at 120° C. or higher, in the presence of a solvent in a 0.2-fold amount by weight or more relative to the total amount of p-tert-butylphenol and o-phenylphenol, until the free resorcin content in the reaction mixture is reduced to 5 wt % or less.6. The method for producing the co-condensate according to claim 4 , whereinresorcin is used in a 2.0-fold molar amount or less relative to the total amount of p-tert-butylphenol and o-phenylphenol.7. A rubber composition comprising the co-condensate ...

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Номер записи: 34
19-02-2015 дата публикации

Resin composition, prepreg and laminate

Номер: US20150050472A1
Автор: Chisato Saito, Daisuke Ueyama, Masanobu Sogame, Yoshihiro Kato, Yoshinori Mabuchi
Принадлежит: Mitsubishi Gas Chemical Co Inc

The present invention provides a resin composition which can simply provide, with good reproducibility, a laminate, a printed wiring board, and the like that not only have excellent heat dissipation properties but have good moldability, good mechanical drillability and excellent appearance, and a prepreg, a metal foil-clad laminate, and the like using the same. A resin composition having a cyanate ester compound (A), an epoxy resin (B), a first inorganic filler (C), a second inorganic filler (D), and a molybdenum compound (E), wherein an average particle diameter ratio of the first inorganic filler (C) to the second inorganic filler (D) is in a range of 1:0.02 to 1:0.2.

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Номер записи: 35
14-02-2019 дата публикации

Liquid lignin composition, lignin-based resin, and method of increasing the solubility of lignin

Номер: US20190048192A1
Автор: Ashar ZAFAR, Dimitri Areskogh, Jesper Ekstrom
Принадлежит: STORA ENSO OYJ

The present invention relates to a liquid lignin mixture comprising 3-50 wt % methanol, 12-50 wt % lignin and 5-85 wt % aqueous alkali solution wherein the concentration of said aqueous alkali solution is 1 to 50 wt % of alkali in water, based on the weight of said alkali solution prior to mixing with the other components of the mixture. The liquid lignin mixture can be used to manufacture lignin-based phenolic resins, which are particularly useful in the manufacture of laminates.

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Номер записи: 36
25-02-2016 дата публикации

Polyaryletherketone Composition

Номер: US20160053106A1
Автор: Chakrabarty Kaushik, Feng Ke, Grenci Joseph J., Mazahir Syed, McIlroy David A., Nair Kamlesh P., Subromonian Suresh, Zhao Xinyu
Принадлежит:

A polymer composition that contains a polyaryletherketone and a liquid crystalline polymer that includes repeating units derived from naphthenic hydroxycarboxylic acids, naphthenic dicarboxylic acids, or a combination thereof in an amount of more than about 15 mol. % of the polymer is provided. 1. A polymer composition comprising a polyaryletherketone and a liquid crystalline polymer that includes repeating units derived from naphthenic hydroxycarboxylic acids , naphthenic dicarboxylic acids , or a combination thereof in an amount of more than about 15 mol. % of the polymer.2. The polymer composition of claim 1 , wherein the repeating units derived from naphthenic hydroxycarboxylic acids claim 1 , naphthenic dicarboxylic acids claim 1 , or a combination thereof constitute from about 25 mol. % to about 50 mol. % of the liquid crystalline polymer.3. The polymer composition of claim 1 , wherein the liquid crystalline polymer contains 2 claim 1 ,6-naphthalenedicarboxylic acid in an amount of from about 15 mol. % to about 50 mol. %.4. The polymer composition of claim 1 , wherein the liquid crystalline polymer further comprises repeating units derived from 4-hydroxybenzoic acid.5. The polymer composition of claim 1 , wherein the liquid crystalline polymer further comprises repeating units derived from hydroquinone claim 1 , 4 claim 1 ,4-biphenol claim 1 , or a combination thereof.6. The polymer composition of claim 1 , wherein the polyaryletherketone has a glass transition temperature of from about 130° C. to about 230° C.7. The polymer composition of claim 1 , wherein the polyaryletherketone has a melt viscosity of about 150 Pa-s or more claim 1 , as determined in accordance with ISO Test No. 11443 at a shear rate of 1000 sand temperature of 370° C.11. The polymer composition claim 1 , wherein the polyaryletherketone is polyetheretherketone claim 1 , polyetherketone claim 1 , polyetherketoneketone claim 1 , polyetherketoneetherketoneketone claim 1 , ...

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Номер записи: 37
25-02-2016 дата публикации

Composition Containing a Polyaryletherketone and Low Naphthenic Liquid Crystalline Polymer

Номер: US20160053107A1
Автор: Chakrabarty Kaushik, Feng Ke, Grenci Joseph J., Mazahir Syed, McIlroy David A., Nair Kamlesh P., Subromonian Suresh, Zhao Xinyu
Принадлежит:

A polymer composition that contains a polyaryletherketone and a liquid crystalline polymer that includes repeating units derived from naphthenic hydroxycarboxylic acids, naphthenic dicarboxylic acids, or a combination thereof in an amount of about 15 mol. % or less of the polymer is provided. The composition optionally contains reinforcing fibers (e.g., glass fibers) in an amount of no more than about 10 wt. %. 1. A polymer composition comprising a polyaryletherketone and a liquid crystalline polymer that includes repeating units derived from naphthenic hydroxycarboxylic acids , naphthenic dicarboxylic acids , or a combination thereof in an amount of about 15 mol. % or less of the polymer , wherein the composition optionally contains reinforcing fibers in an amount of no more than about 10 wt. %.2. The polymer composition of claim 1 , wherein the repeating units derived from naphthenic hydroxycarboxylic acids claim 1 , naphthenic dicarboxylic acids claim 1 , or a combination thereof constitute about 8 mol. % or less of the liquid crystalline polymer.3. The polymer composition of claim 1 , wherein the liquid crystalline polymer comprises repeating units derived from 4-hydroxybenzoic acid.4. The polymer composition of claim 3 , wherein the liquid crystalline polymer further comprises repeating units derived from terephthalic acid claim 3 , isophthalic acid claim 3 , or a combination thereof.5. The polymer composition of claim 4 , wherein the monomer units derived from 4-hydroxybenzoic acid constitute from about 40 mol. % to about 95 mol. % of the polymer claim 4 , the monomer units derived from terephthalic acid constitute from about 1 mol. % to about 30 mol. % of the polymer claim 4 , and the monomer units derived from isophthalic acid constitute from about 1 mol. % to about 30 mol. % of the polymer.6. The polymer composition of claim 4 , wherein the liquid crystalline polymer further comprises repeating units derived from hydroquinone claim 4 , 4 claim 4 ,4-biphenol ...

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Номер записи: 38
25-02-2021 дата публикации

METHOD FOR MANUFACTURING A THREE-DIMENSIONAL OBJECT USING A NITRIDE

Номер: US20210054186A1
Автор: El-Hibri Mohammad Jamal, GERSCHICK Tanner, Jeol Stéphane, Singletary Nancy J.
Принадлежит:

The present disclosure relates to a method for manufacturing a three-dimensional (3D) object with an additive manufacturing system, comprising a step consisting in printing layers of the three-dimensional object from 50 to 99 wt. % of a polymeric material comprising at least one poly(aryl ether ketone) polymer (PAEK), and optionally at least one poly(biphenyl ether sulfone) polymer (PPSU) and/or at least one poly(ether imide) polymer (PEI), and at least one nitride (N), preferably a boron nitride (BN). 1. A method for manufacturing a three-dimensional (3D) object with an additive manufacturing system , comprising extruding a part material to print layers of the 3D object , wherein the part material comprises , based on the total weight of the part material:from 50 to 99 wt. % of a polymeric material comprising at least one poly(aryl ether ketone) polymer (PAEK), and optionally at least one poly(biphenyl ether sulfone) polymer (PPSU) and/or at least one poly(ether imide) polymer (PEI), andat least one nitride (N).2. The method of claim 1 , wherein the part material comprises at least 1 wt. % of at least one nitride (N) claim 1 , based on the total weight of the part material.3. The method of claim 1 , wherein the part material comprises less than 10 wt. % of at least one nitride (N) claim 1 , based on the total weight of the part material.4. The method of claim 1 , wherein the part material further comprises up to 45 wt. % claim 1 , based on the total weight of the part material claim 1 , of at least one additive selected from the group consisting of fillers claim 1 , colorants claim 1 , lubricants claim 1 , plasticizers claim 1 , flame retardants claim 1 , nucleating agents claim 1 , flow enhancers and stabilizers.5. The method of claim 1 , wherein the part material comprises at least 80 wt. % claim 1 , based on the total weight of the part material claim 1 , of the polymeric material selected from the group consisting of:PAEK,a blend of PAEK and PPSU,a blend of ...

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Номер записи: 39
03-03-2016 дата публикации

Sealing sheet, method for manufacturing sealing sheet, and method for manufacturing electronic component package

Номер: US20160060450A1
Автор: Eiji Toyoda, Jun Ishii, yusaku Shimizu
Принадлежит: Nitto Denko Corp

Provided are a sealing sheet having excellent flexibility and capable of producing an electronic component package which is highly reliable even if an object to be sealed has a hollow structure, a method for manufacturing the sealing sheet, and a method for manufacturing the electronic component package. The present invention is a sealing sheet containing dispersed domains of an elastomer, the domains having a maximum diameter of 20 μm or less.

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Номер записи: 40
10-03-2016 дата публикации

MOLECULAR COMPOSITES BASED ON HIGH-PERFORMANCE POLYMERS AND AN INTERPENETRATING LIQUID CRYSTAL THERMOSET

Номер: US20160068680A1
Автор: DINGEMANS Theodorus Jacobus
Принадлежит: Allotropica Technologies Inc.

The invention is directed to a polymeric composition comprising a first polymer (in particular HPP) and a liquid crystal thermoset (LCT) network that interpenetrates said first polymer, which LCT network comprises LCT oligomers that are at least partly polymerized, as well as to a method for preparing such. The polymeric composition of the invention does not separate into two distinct polymer phases (first polymer and LCT) over time and has improved thermo-mechanical properties. In particular, the invention may be used to improve the properties of HPP. The polymeric composition can be used as a high-resistant material, in particular having improved heat resistance. 1. Polymeric composition comprising a first polymer and a liquid crystal thermoset (LCT) network that interpenetrates said first polymer , which LCT network comprises LCT oligomers that are at least partly polymerized.2. Polymeric composition according to the previous claim , wherein the first polymer and the LCT network form a true molecular mixture.3. Polymeric composition according to any of the previous claims , wherein the first polymer is a high-performance polymer.4. Polymeric composition according to any of the previous claims , wherein the first polymer is selected from the group consisting of liquid crystal polymer (LCP) , polyethersulfone (PES) , polyimide (PI) , polyetherimide (PEI) , polyetheretherketone (PEEK) , polyetherketoneketone (PEKK) , polyphenylene sulfide (PPS) or polyaryletherketone (PAEK).5. Polymeric composition according to any of the previous claims , wherein the first polymer is a thermoplastic polymer.6. Polymeric composition according to any of the previous claims , wherein the LCT oligomer comprises a liquid crystal backbone selected from the group consisting of an ester , an ester-imide and an ester-amide , wherein the backbone of the oligomer is entirely , or at least substantially entirely , aromatic in composition.8. Polymeric composition according to any of the ...

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Номер записи: 41
08-03-2018 дата публикации

METHOD FOR PROCESSING A HIGH TEMPERATURE RESISTANT THERMOSETTING MATERIAL

Номер: US20180066136A1
Автор: Biradar Amitkumar, Gharda Keki Hormusji, Parida Tushar R., TRIVEDI Prakash D.
Принадлежит:

The present disclosure provides a polymeric composition resistant to temperatures comprising Poly 2,5rBenzimidazole having intrinsic viscosity (I.V.) between 1.0 and 2.5; and at least one binder having a glass transition temperature less than the glass transition temperature of Poly2,5-Benzimidazole and intrinsic viscosity ranging between 0.2 and 1.5. The present disclosure also provides a process for preparing the polymeric composition resistant to temperatures. 2. The polymeric composition as claimed in claim 1 , wherein the binder is selected from the group consisting of Poly Ether Ketone (PEK) claim 1 , Poly Aryl Ether Ketone (PAEK) claim 1 , Poly Ether Ether Ketone (PEEK) claim 1 , Poly Ether Ketone Ketone (PEKK) claim 1 , Polyphenelene Sulfide (PPS) claim 1 , Polyether Imide (PEI) Poly Ether Sulfones (PES) and Polyphenyl Sulfone (PPSU).3. The polymeric composition as claimed in claim 1 , wherein the binder is selected from the group consisting of Poly Ether Ether Ketone (PEEK) and Poly Ether Sulfone (PES).5. The process as claimed in claim 4 , wherein the binder is at least one compound having a glass transition temperature lower than the glass transition temperature of Poly 2 claim 4 ,5-Benzimidazole.6. The process as claimed in claim 4 , wherein the binder is selected from the group consisting of Poly Ether Ketone (PEK) claim 4 , Poly Aryl Ether Ketone (PAEK) claim 4 , Poly Ether Ether Ketone (PEEK) claim 4 , Poly Ether Ketone Ketone (PEKK) claim 4 , Polyphenelene Sulfide (PPS) claim 4 , Polyether Imide (PEI) Poly Ether Sulfones (PES) and Polyphenyl Sulfone (PPSU).7. The process as claimed in claim 4 , wherein the inherent viscosity (I.V.) of Poly 2 claim 4 ,5-Benzimidazole ranges between 1.0 and 2.5.8. The process as claimed in claim 4 , wherein the inherent viscosity of the binder ranges between 0.2 and 1.5.9. The process as claimed in claim 4 , wherein the ratio of Poly 2 claim 4 ,5-Benzimidazole to the binder ranges from 95:5 and 5:95. The present ...

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Номер записи: 42
05-03-2020 дата публикации

Resin powder, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object

Номер: US20200070412A1
Автор: Hitoshi Iwatsuki, Mitsuru Naruse, Shigenori Yaguchi, Sohichiroh IIDA, Toshiyuki Mutoh, Yunsheng Sun
Принадлежит: Ricoh Co Ltd

A resin powder contains a resin, wherein the proportion of fine powder having a number diameter of 40 percent or less of a mean number diameter Mn of the resin powder is 30 percent or less in the resin powder.

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Номер записи: 43
05-03-2020 дата публикации

FIBER-REINFORCED ORGANIC POLYMER AEROGEL

Номер: US20200071481A1
Автор: FLETCHER Ashleigh, NASH David, POE Garrett, SILLARS Fiona, Taylor Stewart, WEBLEY Andrew, Yang Liu
Принадлежит:

Fiber-reinforced organic polymer aerogels, articles of manufacture and uses thereof are described. The reinforced aerogels include a fiber-reinforced organic polymer matrix having an at least bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm and a thermal conductivity of less than or equal to 30 mW/m·K at a temperature of 20° C. 1. A fiber-reinforced organic polymer aerogel comprising a non-fibrous organic polymer matrix and fibers comprised in the non-fibrous organic polymer matrix , wherein the aerogel comprises a thermal conductivity of less than or equal to 30 mW/m·K at a temperature of 20° C. and an at least bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm.2. The fiber-reinforced organic polymer aerogel of claim 1 , wherein the first mode of pores has an average pore size from 3 nm to 50 nm and the second mode of pores has an average pore size greater than 50 nm to 10 μm.3. The fiber-reinforced organic polymer aerogel of claim 1 , wherein the pore size distribution is at least trimodal.4. The fiber-reinforced organic polymer aerogel of claim 3 , wherein the first mode of pores has an average pore size of 3 nm to 65 nm claim 3 , the second mode of pores has an average pore size of 65 nm to 10 μm claim 3 , and the third mode of pores has an average pore size of greater than 1 micron (μm).5. The fiber-reinforced organic polymer aerogel of claim 1 , wherein the weight ratio of the organic polymer matrix to the fibers is 50 to 65.6. The fiber-reinforced organic polymer aerogel of claim 1 , wherein the non-fibrous organic polymer matrix comprises resorcinol formaldehyde claim 1 , phenol formaldehyde claim 1 , polyimide claim 1 , polyamine claim 1 , polyamide ...

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Номер записи: 44
14-03-2019 дата публикации

Novolac-type phenolic hydroxy group-containing resin, and resist film

Номер: US20190077901A1
Автор: Tomoyuki Imada, Yusuke Sato
Принадлежит: DIC Corp

Provided are a novolac-type phenolic hydroxy group-containing resin having excellent developability, heat resistance, and dry etching resistance and a resist film. The novolac-type phenolic hydroxy group-containing resin includes, as a repeating unit, a structural moiety (I) represented by Structural Formula (1): wherein Ar represents an arylene group; R 1 's each independently represent any one of a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aralkyl group, and a halogen atom; and m's each independently represent an integer of 1 to 3, or a structural moiety (II) represented by Structural Formula (2): wherein Ar represents an arylene group; R 1 's each independently represent any one of a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aralkyl group, and a halogen atom; and m's each independently represent an integer of 1 to 3.

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Номер записи: 45
14-03-2019 дата публикации

USE OF AN ESTERIFIED AROMATIC POLYPHENOL DERIVATIVE FOR THE PRODUCTION OF A PHENOL-ALDEHYDE RESIN FOR REINFORCEMENT OF A RUBBER COMPOSITION

Номер: US20190077952A1
Автор: BOUTEVIN Gilles, Crouzet Quentin, GAVARD-LONCHAY ODILE, Loubat Cedric, THUILLIEZ ANNE-LISE
Принадлежит:

An aromatic polyphenol derivative which comprises at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—((C═O)(R)) group with Rrepresenting a hydrocarbon-based radical or a substituted hydrocarbon-based radical. 122.-. (canceled)23. A method for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition comprising the step of:{'sub': 1', '1, 'using an aromatic polyphenol derivative comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, and in which each —O—Z group represents an —O—((C═O)(R)) group with Rrepresenting a hydrocarbon-based radical or a substituted hydrocarbon-based radical.'}24. The method according to claim 23 , wherein using the aromatic polyphenol derivative generates a delay phase during crosslinking of the phenol-aldehyde resin based on the aromatic polyphenol derivative and on an aldehyde.25. The method according to claim 23 , wherein using the aromatic polyphenol derivative in a phenol-aldehyde resin maintains stiffness of a rubber composition with an increase in temperature.26. The method according to claim 24 , wherein the aldehyde is an aromatic aldehyde.28. The method according to claim 26 , wherein the aromatic aldehyde is selected from the group consisting of 1 claim 26 ,4-benzenedicarboxaldehyde claim 26 , furfuraldehyde claim 26 , 2 claim 26 ,5-furandicarboxaldehyde and mixtures thereof.29. The method according to claim 23 , wherein Rrepresents a radical selected from the group consisting of alkyl claim 23 , aryl claim 23 , arylalkyl claim 23 , alkylaryl claim 23 , cycloalkyl and alkenyl radicals.30. The method according to ...

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Номер записи: 46
22-03-2018 дата публикации

RESOL TYPE MODIFIED PHENOL RESIN COMPOSITION, METHOD FOR PRODUCING THE SAME, AND ADHESIVE

Номер: US20180079938A1
Автор: Mifuka Hajime
Принадлежит: SUMITOMO BAKELITE CO., LTD.

The resol type modified phenol resin composition contains a resol type modified phenol resin having a structural unit A by General Formula (1) which is modified by dimethylphenols and a structural unit B represented by General Formula (2). In Formula (1), m representing an integer of 1 or more, wherein in a case where m is 1, R represents a methylol group; in a case where m is 2 or more, R's independently represent a hydrogen atom or a methylol group, and at least one of R's is a methylol group. In Formula (2), n representing an integer of 1 or more, wherein in a case where n is 1, R represents a methylol group; in a case where n is 2 or more, R's independently represent a hydrogen atom or a methylol group, and at least one of R's is a methylol group. 2. The resol type modified phenol resin composition according to claim 1 ,wherein the dimethylphenols are 3,5-dimethylphenol.3. The resol type modified phenol resin composition according to claim 1 ,wherein when the ratio of the structural unit A with respect to the total of structural units having a phenolic hydroxyl group contained in the resol type modified phenol resin is set as a dimethylphenol modification rate, the dimethylphenol modification rate is greater than or equal to 3% and less than or equal to 50%.4. The resol type modified phenol resin composition according to claim 1 , further comprising one or more elastomers selected from the group consisting of a polyvinyl butyral resin claim 1 , nitrile butadiene rubber claim 1 , styrene butadiene rubber claim 1 , and an epoxy resin.5. The resol type modified phenol resin composition according to claim 1 , further comprising resorcins.6. A method for producing a resol type modified phenol resin composition claim 1 , the method comprising:a first step of obtaining a first reaction product by reacting aldehydes with phenols excluding dimethylphenols in the presence of a basic catalyst; anda second step of obtaining a resol type modified phenol resin by reacting the ...

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Номер записи: 47
24-03-2016 дата публикации

IN SITU EXFOLIATION METHOD TO FABRICATE A GRAPHENE-REINFORCED POLYMER MATRIX COMPOSITE

Номер: US20160083552A1
Автор: Chiu Gordon, Hendrix Justin, Kear Bernard, Lynch Jennifer, Nosker Thomas
Принадлежит: Rutgers, The State University of New Jersey

A method for forming a graphene-reinforced-polymer matrix composite by distributing graphite microparticles into a molten thermoplastic polymer phase comprising one or more molten thermoplastic polymers; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphene successively with each event, until tearing of exfoliated multilayer graphene sheets occurs arid produces reactive edges on the multilayer sheets that react with and cross-link the one or more thermoplastic polymers; where the one or more thermoplastic polymers are selected from thermoplastic polymers subject to UV degradation. 2. The method of claim 1 , wherein at least one of said one or more thermoplastic polymers is an aromatic polymer.3. The method of claim 2 , wherein said aromatic polymer comprises phenyl groups claim 2 , optionally substituted claim 2 , in either the backbone or as substituents.4. The method of claim 3 , wherein the optionally substituted phenyl groups are contained within the polymer backbone as optionally substituted phenylene groups.5. The method of claim 3 , wherein the optionally substituted phenyl groups are substituents on the polymer.6. The method of claim 1 , wherein said one or more thermoplastic polymers are selected from the group consisting of polyetheretherketone (PEEK) claim 1 , polyetherketone (PEK) claim 1 , polyphenylene sulfide (PPS) claim 1 , polyethylene sulfide (PES) claim 1 , polyetherimide (PEI) claim 1 , polyvinylidene fluoride (PVDF) claim 1 , polycarbonate (PC) claim 1 , polyphenylene ether claim 1 , aromatic thermoplastic polyesters claim 1 , thermoplastic polyimides claim 1 , liquid crystal polymers claim 1 , thermoplastic elastomers claim 1 , polyethylene claim 1 , polypropylene claim 1 , polystyrene (PS) claim 1 , polymethylmethacrylate (PMMA) claim 1 , polyacrylonitrile (PAN) claim 1 , ultra-high-molecular-weight polyethylene (UHMWPE) claim 1 , polytetrafluoroethylene (PTFE) ...

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Номер записи: 48
24-03-2016 дата публикации

NANOPARTICLES FOR IMPROVING THE DIMENSIONAL STABILITY OF RESINS

Номер: US20160083584A1
Автор: Kozar Michael P., Meure Samuel J., Wilenski Mark S.
Принадлежит:

A composition may include the resin and a plurality of polymer nanoparticles included in the resin to form a resin mixture. The resin may have a resin coefficient of thermal expansion (CTE), a resin cure shrinkage, and/or a resin heat of reaction. The polymer nanoparticles may have a nanoparticle cure shrinkage less than the resin cure shrinkage, a nanoparticle CTE different than the resin CTE, and/or a nanoparticle heat of reaction less than the resin heat of reaction. 1. A composition , comprising:a resin having at least one of a resin coefficient of thermal expansion (CTE), a resin cure shrinkage, and a resin heat of reaction; a nanoparticle cure shrinkage less than the resin cure shrinkage;', 'a nanoparticle CTE different than the resin CTE; and', 'a nanoparticle heat of reaction less than the resin heat of reaction., 'a plurality of polymer nanoparticles having at least one of the following properties2. The composition of claim 1 , wherein at least some of the polymer nanoparticles comprise:polymer nanoparticles having a non-elastomeric thermoset component; andpolymer nanoparticles formed of thermoplastic material without an elastomeric component.3. The composition of claim 1 , wherein:at least some of the polymer nanoparticles having a CTE along at least one axis that is different than the CTE along another axis of the polymer nanoparticle.4. The composition of claim 1 , wherein:the polymer nanoparticles are formed of the same material as the resin.5. The composition of claim 1 , wherein:the polymer nanoparticles are at least partially cured prior to the curing of the resin.6. The composition of claim 1 , wherein:at least some of the polymer nanoparticles in a resin mixture are formed of a different material than other polymer nanoparticles in the resin mixture.7. The composition of claim 1 , wherein the resin and/or the polymer nanoparticles are comprised of at least one of the following:thermoplastic material, acrylics, fluorocarbons, polyamides, polyolefins ...

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Номер записи: 49
08-04-2021 дата публикации

COMPOSITIONS AND PROCESS FOR STABILIZING PHENOLIC RESINS CONTAINING CALIXARENES

Номер: US20210102024A1
Автор: BIITTIG Ricky, MEKETA Matthew
Принадлежит:

This invention relates to compositions and a process for stabilizing or solubilize a phenolic resin containing a mixture of linear phenolic resins and calixarenes. The process comprises contacting the phenolic resin with an epoxide, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized or solubilized phenolic resin with an increased solubility in a hydrocarbon solvent. 2. The process of claim 1 , wherein claim 1 , on average claim 1 , about 0.1 to about 20 moles of the compounds of formula (III) are added to react with each mole of the phenolic units of the phenolic resin.3. The process of claim 1 , wherein the catalyst is present and is selected from the group consisting of sodium hydroxide claim 1 , potassium hydroxide claim 1 , sodium carbonate claim 1 , potassium carbonate claim 1 , sodium bicarbonate claim 1 , potassium bicarbonate claim 1 , triethylamine claim 1 , imidazole claim 1 , 2-methylimidazole claim 1 , pyridine claim 1 , and combinations thereof.4. The process of claim 1 , wherein the elevated temperature is in the range of 110-170° C.5. The process of claim 1 , wherein less than 5% of residual compound of formula (III) remains unreacted within 1 hour of the addition of the compound of formula (III).9. The process of claim 8 , wherein each Ris independently a Cto Cor Cto Calkyl.10. The process of claim 8 , wherein the total number of units in the calixarene compounds is from 4 to 8.11. The process of claim 1 , wherein less than 10% of solid components precipitate out of the solvent after the storage of 24 hours or longer.12. A stabilized or solubilized phenolic resin prepared from the process of .13. The process of claim 1 , wherein the m integer recitation includes the proviso that when m is 0 claim 1 , each Ris independently Cto Caryl.14. The process of claim 1 , wherein each m is 0 or 1.15. The process of claim 14 , wherein each m is 1.16. The process of claim 14 , wherein each m is 0.17. ...

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Номер записи: 50
21-04-2016 дата публикации

COMPOSITION OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING

Номер: US20160108229A1
Автор: Brule Benoit, DECRAEMER Nadine, Huze Denis, MATHIEU Cyrille, PASCAL Jérome, STER Herve
Принадлежит: Arkema France

The present invention relates to a composition comprising at least one poly(arylene ether ketone) powder suitable for laser sintering and also to the process which makes it possible to obtain it, minimizing the amount by weight of remaining non-sintered powder after production of the part by sintering. 1. A composition comprising a PEKK powder , the tapped density of which is less than 400 kg/m , limit included , measured according to ISO 1068-1975 (F) , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s , limit included , or a passage time in a 17 mm funnel of less than 30 s.2. The composition as claimed in claim 1 , wherein the PEKK exhibits a percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units of between 55% and 85%.3. The composition as claimed in claim 1 , comprising claim 1 , in addition to the PEKK powder claim 1 , a PEK claim 1 , PEEKEK claim 1 , PEEK or PEKEKK powder claim 1 , the PEKK powder representing more than 50% by weight claim 1 , limit included.4. The composition as claimed in claim 1 , additionally comprising a filler.5. The composition as claimed in claim 1 , additionally comprising at least one additive.6. A heat treatment process for preparing a PEKK powder the tapped density of which is less than 400 kg/mlimit included claim 1 , measured according to ISO 1068-1975 (F) claim 1 , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s claim 1 , limit included claim 1 , or a passage time in a 17 mm funnel of less than 30 s claim 1 , the process comprising the following stages:arranging a PEKK powder in a ventilated chamber in a static or dynamic device;heating the PEKK powder at a temperature between T−10° C. and T+10° C., where T=3.75*A+37.5, expressed in ° C., A representing the percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units and is between 55% and 85%, for a ...

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Номер записи: 51
21-04-2016 дата публикации

CYANATE RESIN COMPOSITION AND USE THEREOF

Номер: US20160108230A1
Автор: Tang Junqi, XU Yongjing
Принадлежит:

The present invention relates to a cyanate resin composition, and a prepreg, a laminate, a metal foil clad laminate and a printed circuit board prepared by using same. The cyanate resin composition comprises a cyanate resin (A), an epoxy resin (B) with a structure of formula (I) and a maleimide compound (C). The cyanate resin composition of the present invention, and the prepreg, the laminate and the metal foil clad laminate prepared by using the cyanate resin composition have good moisture resistance, heat resistance, flame retardancy and reliability, and are suitable for being used as a substrate material for manufacturing a high-density printed circuit board. 2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. The cyanate resin composition as claimed in claim 1 , characterized in that n in the epoxy resin (B) with a structure of formula (I) is an integer of 1-10.12. The cyanate resin composition as claimed in claim 1 , characterized in that R is selected from the group consisting of phenyl claim 1 , naphthyl and biphenyl.13. The cyanate resin composition as claimed in claim 1 , characterized in that the epoxy resin (B) with a structure of formula (I) has a melt viscosity of 1.0 Pa·s or less at 150° C.14. The cyanate resin composition as claimed in claim 1 , characterized in that the cyanate resin (A) is selected from the group consisting of cyanates or cyanate prepolymers containing at least two cyanate radicals in the molecular structure thereof.15. The cyanate resin composition as claimed in claim 1 , characterized in that the cyanate resin (A) is any one or a mixture of at least two selected from the group consisting of bisphenol-A cyanate resin claim 1 , bisphenol-F cyanate resin claim 1 , tetramethylbisphenol-F cyanate resin claim 1 , bisphenol-M cyanate resin claim 1 , bisphenol-S cyanate resin claim 1 , bisphenol-E cyanate resin claim 1 , bisphenol-P cyanate resin claim 1 , linear ...

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Номер записи: 52
23-04-2015 дата публикации

In-situ alkylphenol-aldehyde resins

Номер: US20150112023A1
Автор: Gennaro BARBIERO, Jeffrey M. Hiscock, John Morgan Whitney, Timothy Edward Banach, Todd Scott Makenzie
Принадлежит: SI Group Inc

The invention relates to an in-situ process for preparing an alkylphenol-aldehyde resin. The process comprises the step of providing a raw alkylphenol composition. The raw alkylphenol composition comprises one or more alkylphenol compounds and at least about 1 wt % phenol. Each alkylphenol compound has one or more alkyl substituents. The raw alkylphenol composition is reacted directly, without pre-purification, with one or more aldehydes to form an in-situ alkylphenol-aldehyde resin. The invention also relates to an in-situ alkylphenol-aldehyde resin formed from the in-situ process, and its use in a tackifier composition and rubber composition. The tackifier composition and rubber composition containing the in-situ alkylphenol-aldehyde resin show, inter alia, improved tack performance.

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Номер записи: 53
23-04-2015 дата публикации

MODIFIED ALKYLPHENOL-ALDEHYDE RESINS STABILIZED BY A SALICYLIC ACID

Номер: US20150112024A1
Автор: BANACH TIMOTHY EDWARD, KNEZEVIC Milan, MAKENZIE Todd Scott, WHITNEY John Morgan
Принадлежит:

The invention relates to a process for improving the stability of a base-modified alkylphenol-aldehyde resin (such as an amine-modified alkylphenol-aldehyde resin). The process comprises the step of reacting a base-modified alkylphenol-aldehyde resin with a salicylic acid to stabilize the base-modified alkylphenol-aldehyde resin. The invention also relates to a modified alkylphenol-aldehyde resin formed from the stabilizing process, and its use in a tackifier composition and rubber composition. 2. The process of claim 1 , further comprising claim 1 , prior to the reacting step:modifying the amine-modified alkylphenol-aldehyde resin with an epoxide.3. The process of claim 1 , wherein the process does not use an epoxide or a chemical reagent for stabilizing the amine moiety in the alkylphenol-aldehyde resin.4. The process of claim 1 , wherein Ris morpholinyl.5. The process of claim 1 , wherein Ris a linear or branched C-Calkyl.6. The process of claim 5 , wherein Ris tertiary butyl or tertiary octyl.7. The process of claim 1 , wherein the salicylic acid is salicylic acid or a derivative thereof.8. The process of claim 7 , wherein the salicyclic acid derivative is a salicylic acid with one or more C-Calkyl groups substituted on the phenol group of the salicylic acid claim 7 , a salicylic acid with one or more C-Calkoxy groups substituted on the phenol group of the salicylic acid claim 7 , or acetylsalicylic acid.10. The modified alkylphenol-aldehyde resin of claim 9 , wherein Ris morpholinyl.11. The modified claim 9 , hydrocarbylphenol-aldehyde resin of claim 9 , wherein Ris a straight or branched C-Calkyl.12. The modified claim 9 , hydrocarbylphenol-aldehyde resin of claim 9 , wherein Ris tertiary butyl or tertiary octyl.13. A rubber composition comprising:{'claim-ref': {'@idref': 'CLM-00009', 'claim 9'}, 'the modified alkylphenol-aldehyde resin of , and'}a natural rubber, a synthetic rubber or a mixture thereof.14. The rubber composition of claim 13 , wherein Ris ...

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Номер записи: 54
03-07-2014 дата публикации

RESIN COMPOSITION AND SLIDING MEMBER USING SAME

Номер: US20140187721A1
Автор: Ito Hiroshi, Oowada Akihiro, Saito Mika
Принадлежит: Kabushiki Kaisha Riken

[Problem] 1. A resin composition in which a fluorine-based resin is dispersed in a hard resin , wherein the maximum particle size of the fluorine-based resin is no greater than 950 nm , and the mean particle size is 100 nm to 450 nm.2. The resin composition according to claim 1 , wherein the fluorine-based resin includes first particles having an aspect ratio of 1.0 or greater and less than 1.1 and second particles having an aspect ratio of 1.1 or greater and no greater than 3.5 claim 1 , and where the area occupied by the fluorine-based resin in the resin composition is defined as 100 claim 1 , the area occupied by the first particles being 10 to 90.3. The resin composition according to claim 1 , wherein the hard resin is at least one type selected from among polyether ether ketones claim 1 , polyphenylene sulfides claim 1 , polybutylene terephthalates claim 1 , polyamides claim 1 , polyamideimides claim 1 , vinylidene fluorides and liquid crystal polymers.45-. (canceled)6. The resin composition according to claim 2 , wherein the hard resin is at least one type selected from among polyether ether ketones claim 2 , polyphenylene sulfides claim 2 , polybutylene terephthalates claim 2 , polyamides claim 2 , polyamideimides claim 2 , vinylidene fluorides and liquid crystal polymers.7. The resin composition according to claim 1 , wherein the fluorine-based resin is polytetrafluoroethylene.8. The resin composition according to claim 2 , wherein the fluorine-based resin is polytetrafluoroethylene.9. The resin composition according to claim 3 , wherein the fluorine-based resin is polytetrafluoroethylene.10. The resin composition according to claim 6 , wherein the fluorine-based resin is polytetrafluoroethylene.11. A sliding member having a sliding section comprising a resin composition according to .12. A sliding member having a sliding section comprising a resin composition according to .13. A sliding member having a sliding section comprising a resin composition ...

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Номер записи: 55
29-04-2021 дата публикации

FIBER-REINFORCED ORGANIC POLYMER AEROGEL

Номер: US20210122896A1
Автор: FLETCHER Ashleigh, NASH David, POE Garrett, SILLARS Fiona, Taylor Stewart, WEBLEY Andrew, Yang Liu
Принадлежит:

Fiber-reinforced organic polymer aerogels, articles of manufacture and uses thereof are described. The reinforced aerogels include a fiber-reinforced organic polymer matrix having an at least bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm and a thermal conductivity of less than or equal to 30 mW/m·K at a temperature of 20° C. 144-. (canceled)45. A fiber-reinforced composite comprising a porous organic polymer matrix and fibers comprised in the porous organic polymer matrix ,wherein the composite comprises a thermal conductivity of less than or equal to 30 mW/m·K at a temperature of 20° C. and an at least bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm, and wherein the fibers have:{'sub': '2', 'sup': '2', '(a) an average filament cross sectional area of 25 μmto 40,000 μm; and'}(b) an average length of 20 mm to 100 mm.46. The fiber-reinforced composite of claim 45 , wherein the first mode of pores has an average pore size from 3 nm to 50 nm and the second mode of pores has an average pore size greater than 50 nm to 10 μm.47. The fiber-reinforced composite of claim 45 , comprising an at least trimodal pore size distribution.48. The fiber-reinforced composite of claim 47 , wherein the first mode of pores has an average pore size of 3 nm to 65 nm claim 47 , the second mode of pores has an average pore size of 65 nm to 10 μm claim 47 , and the third mode of pores has an average pore size of greater than 1 micron (μm).49. The fiber-reinforced composite of claim 45 , wherein a weight ratio of the porous organic polymer matrix to the fibers is 50 to 65.50. The fiber-reinforced composite of claim 45 , wherein the porous organic polymer matrix comprises resorcinol ...

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Номер записи: 56
11-04-2019 дата публикации

SEMI-CRYSTALLINE BUILD MATERIALS

Номер: US20190106569A1
Автор: Jaker Vittorio L., Rodgers Luke M.B.
Принадлежит:

A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having at least a 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer. 130-. (canceled)31. A method of 3D printing a semi-crystalline part with a layer-wise sintering system , the method comprising: a neat semi-crystalline polymer having a melt temperature and a hot crystallization temperature below the melt temperature; and', 'a secondary material or materials selected from the group consisting of an amorphous polymer that is substantially miscible with the semi-crystalline polymer or an irregular monomer that breaks a regularity of repeating units in the semi-crystalline polymer;', 'wherein when the secondary material or materials are combined with the neat semi-crystalline polymer to form a polymeric blend with substantially no change in the melt temperature and at least a 3° C. reduction in the hot crystallization temperature relative to the neat semi-crystalline polymer, such that an operating window between the melt temperature and the hot crystallization temperature is increased by at least 3° C.;, 'providing a part material in powder form for use in the sintering system, the part material comprisingforming a layer of the part material provided in powder form;sintering at least a portion of the layer of part material provided in powder form to construct a bonded part layer; andrepeating the forming and sintering steps in successive layers to form a series of bonded part layers forming the part;wherein the series of bonded part layers are maintained within the operating window while the part is being printed.32. The method of claim 31 , wherein the polymeric blend has at least a 5° C. reduction in the hot crystallization temperature relative to the neat semi-crystalline polymer claim 31 , such that the operating window is increased by at ...

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Номер записи: 57
28-04-2016 дата публикации

CYANATE ESTER COMPOUND, CURABLE RESIN COMPOSITION CONTAINING SAID COMPOUND, AND CURED PRODUCT OF SAID COMPOSITION

Номер: US20160115271A1
Автор: Arii Kenji, Higashihara Go, Katagiri Masayuki, SUGANO Yuuichi, Tsubuku Makoto
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

The cyanate ester compound of the present invention is obtained by cyanating a modified naphthalene formaldehyde resin. 1. A cyanate ester compound obtained by cyanating a modified naphthalene formaldehyde resin.3. The cyanate ester compound according to claim 1 , wherein the modified naphthalene formaldehyde resin is obtained by modifying a naphthalene formaldehyde resin or an acetal bond-removed naphthalene formaldehyde resin using a hydroxy-substituted aromatic compound.4. The cyanate ester compound according to claim 3 , wherein the hydroxy-substituted aromatic compound is at least one selected from the group consisting of phenol claim 3 , 2 claim 3 ,6-xylenol claim 3 , naphthol claim 3 , dihydroxynaphthalene claim 3 , biphenol claim 3 , hydroxyanthracene claim 3 , and dihydroxyanthracene.5. The cyanate ester compound according to claim 1 , having a weight average molecular weight Mw of 200 to 25000.6. A curable resin composition comprising the cyanate ester compound according to .7. The curable resin composition according to claim 6 , further comprising at least one other cyanate ester compound selected from the group consisting of an epoxy resin claim 6 , an oxetane resin claim 6 , and a compound having a polymerizable unsaturated group.8. A hardened product obtained by curing the curable resin composition according to .9. A prepreg obtained by impregnating or coating a base material with the curable resin composition according to and drying the curable resin composition.10. A laminate obtained by laminating metal foil on the prepreg according to and hot-pressing the metal foil and the prepreg.11. A sealing material comprising the curable resin composition according to .12. A fiber-reinforced composite material comprising the curable resin composition according to .13. An adhesive comprising the curable resin composition according to . The present invention relates to a cyanate ester compound, a curable resin composition comprising the compound, and a hardened ...

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Номер записи: 58
28-04-2016 дата публикации

CYANATE RESIN COMPOSITION AND USE THEREOF

Номер: US20160115313A1
Автор: Tang Junqi, XU Yongjing
Принадлежит:

The present invention relates to a cyanate resin composition, and a prepreg, a laminate, a metal foil clad laminate and a printed circuit board prepared by using same. The cyanate resin composition comprises a cyanate resin (A) and an epoxy resin (B) with a structure of formula (I). The cyanate resin composition of the present invention, and the prepreg, the laminate and the metal foil clad laminate prepared by using the cyanate resin composition have good moisture resistance, heat resistance, flame retardancy and reliability, and are suitable for being used as a substrate material for manufacturing a high-density printed circuit board. 2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. The cyanate resin composition as claimed in claim 1 , characterized in that n in the epoxy resin (B) with a structure of formula (I) is an integer of 1-10.12. The cyanate resin composition as claimed in claim 1 , characterized in that the molar ratio of naphthyl/(naphthyl+phenyl) ranges from 0.1 to 0.8.13. The cyanate resin composition as claimed in claim 1 , characterized in that R is selected from the group consisting of phenyl claim 1 , naphthyl and biphenyl.14. The cyanate resin composition as claimed in claim 1 , characterized in that the epoxy resin (B) with a structure of formula (I) has a melt viscosity of 1.0 Pa·s or less at 150° C.15. The cyanate resin composition as claimed in claim 1 , characterized in that the cyanate resin (A) is selected from the group consisting of cyanates or cyanate prepolymers containing at least two cyanate radicals in the molecular structure thereof.16. The cyanate resin composition as claimed in claim 1 , characterized in that the cyanate resin (A) is any one or a mixture of at least two selected from the group consisting of bisphenol-A cyanate resin claim 1 , bisphenol-F cyanate resin claim 1 , tetramethylbisphenol-F cyanate resin claim 1 , bisphenol-M cyanate resin claim 1 ...

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Номер записи: 59
30-04-2015 дата публикации

Active ester resin, thermosetting resin composition, cured product of same, semiconductor encapsulation material, prepreg, circuit board, and build-up film

Номер: US20150118499A1
Автор: Etsuko Suzuki, Kazuo Arita
Принадлежит: DIC Corp

A cured product exhibits good heat resistance and flame retardancy as well as low dielectric constant and low loss tangent. A phosphorus-containing compound (i) obtained by a reaction between an aromatic aldehyde (a1) having an alkoxy group as a substituent on a nucleus and an organic phosphorus compound (a2) having a P—H group or a P—OH group in a molecular structure is reacted with a phenolic substance (a3) to obtain a phosphorus-containing phenolic substance (A1). Then the phosphorus-containing phenolic substance (A1) is reacted with an aromatic dicarboxylic acid or an anhydride or dihalide of an aromatic dicarboxylic acid or a C2-6 saturated dicarboxylic acid or an anhydride or dihalide of a C2-6 saturated dicarboxylic acid (A2) so that all or some of hydroxyl groups of the phenolic substance (A1) form ester bonds.

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Номер записи: 60
09-04-2020 дата публикации

HEAT TREATED POLYMER POWDERS

Номер: US20200109279A1
Автор: Bertelo Christopher A., DeCarmine Anthony, DeFelice Scott F., Garcia-Leiner Manuel A.
Принадлежит:

The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes. 2. The process of claim 1 , wherein the semicrystalline or crystallizable polymorphic polymers claim 1 , prior to the heat treating and/or after heat treating claim 1 , are in the form of particles having a weight average particle size of 15 to 150 microns.3. The process of claim 1 , wherein the temperature of heat treatment is less than 15° C. below the melting point of the highest-melting crystalline polymorph.4. The process of claim 1 , wherein the temperature of heat treatment is less than 10° C. below the melting point of the highest-melting crystalline polymorph.5. The process of claim 1 , wherein the temperature of heat treatment is less than 5° C. below the melting point of the highest-melting crystalline polymorph.6. The process of claim 1 , wherein the polymer composition further comprises one or more other components selected from the group consisting of non-polymorphic polymer(s) claim 1 , fillers claim 1 , and fibers.7. A heat-treated powder composition claim 1 , made by the process of .8. The heat-treated powder composition of claim 7 , which is recyclable.9. A process comprising converting the heat-treated powder composition of to an article or a coating on an article.10. The process of claim 9 , wherein the process for converting the heat treated powder composition is selected from selective laser ...

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Номер записи: 61
05-05-2016 дата публикации

Method for the thermal treatment of poly-arylene ether ketone ketone powders suitable for laser sintering

Номер: US20160122527A1
Автор: Benoît BRULE, Denis Huze, Herve Ster, Jerome Pascal, Nadine Decraemer
Принадлежит: Arkema France SA

The invention relates to a process for the heat treatment of poly(arylene ether ketone ketone) powder suitable for laser sintering, and also to the powders resulting from this process.

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Номер записи: 62
03-05-2018 дата публикации

Multi-functional phenolic resins

Номер: US20180118645A1
Автор: Georgius Abidal ADAM
Принадлежит: EMPIRE TECHNOLOGY DEVELOPMENT LLC

Disclosed herein are compositions and methods of making phenolic compounds and phenolic resins. The resins include multifunctional epoxies, amino glycidyl derivatives, alkanoate derivatives, alkyl ether derivatives, and multi-functional amines prepared from hydroxymethyl derivatives of novolac resin.

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Номер записи: 63
05-05-2016 дата публикации

RESIN COMPOSITION, PREPREG, RESIN SHEET AND METAL FOIL-CLAD LAMINATE

Номер: US20160125972A1
Автор: Arii Kenji, Kobayashi Takashi, Mabuchi Yoshinori, Mishima Hiroyuki, Sogame Masanobu
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

The resin composition of the present invention comprises a cyanate ester compound (A) obtained by cyanating a modified naphthalene formaldehyde resin, and an epoxy resin (B). 1. A resin composition comprising:a cyanate ester compound (A) obtained by cyanating a modified naphthalene formaldehyde resin; andan epoxy resin (B).2. The resin composition according to claim 1 , wherein a content of the cyanate ester compound (A) obtained by cyanating the modified naphthalene formaldehyde resin is 1 to 90 parts by mass when a content of a resin solid in the resin composition is 100 parts by mass.3. The resin composition according to claim 1 , further comprising an inorganic filler (C).4. The resin composition according to claim 1 , further comprising one or more selected from the group consisting of a maleimide compound claim 1 , a phenolic resin claim 1 , and a cyanate ester compound other than the cyanate ester compound (A) obtained by cyanating the modified naphthalene formaldehyde resin.5. The resin composition according to claim 1 , wherein the epoxy resin (B) is one or more selected from the group consisting of a biphenyl aralkyl-based epoxy resin claim 1 , a naphthylene ether-based epoxy resin claim 1 , a polyfunctional phenol-based epoxy resin claim 1 , and a naphthalene-based epoxy resin.6. The resin composition according to claim 3 , wherein a content of the inorganic filler (C) is 50 to 1600 parts by mass when a content of a resin solid in the resin composition is 100 parts by mass.7. A prepreg obtained by impregnating or coating a base material with the resin composition according to .8. A metal foil-clad laminate obtained by stacking at least one or more of the prepregs according to claim 7 , disposing metal foil on one surface or both surfaces of an obtained stack claim 7 , and laminate-molding the metal foil and the stack.9. A resin composite sheet obtained by coating a surface of a support with the resin composition according to and drying the resin ...

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Номер записи: 64
25-08-2022 дата публикации

Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof

Номер: US20220267587A1
Автор: Dario AURILIA, Emanuele DI NICOLO', Kelly D. Branham, Vida KOMER
Принадлежит: Solvay Specialty Polymers USA LLC

The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a semi-crystalline polymer, an amorphous polymer and at least one water-soluble salt. The present invention also relates to a method for manufacturing said porous article and to its use for purifying fluid(s).

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Номер записи: 65
12-05-2016 дата публикации

AROMATIC HYDROCARBON FORMALDEHYDE RESIN, MODIFIED AROMATIC HYDROCARBON FORMALDEHYDE RESIN, AND EPOXY RESIN, AND METHOD FOR PRODUCING THESE

Номер: US20160130383A1
Автор: Higashihara Go, OKOSHI Atsushi
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

There is provided an aromatic hydrocarbon formaldehyde resin obtained by reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst. 2. The aromatic hydrocarbon formaldehyde resin according to claim 1 , being obtained by reacting the aromatic hydrocarbon compound (A) with formaldehyde (B) in a molar ratio of (A):(B)=1:1 to 1:20 in the presence of an acidic catalyst.3. The aromatic hydrocarbon formaldehyde resin according to claim 1 , wherein the reaction of the aromatic hydrocarbon compound (A) with formaldehyde (B) is carried out in the presence of an alcohol.4. The aromatic hydrocarbon formaldehyde resin according to claim 1 , having a weight-average molecular weight of 200 to 25 claim 1 ,000.5. The aromatic hydrocarbon formaldehyde resin according to claim 1 , having an oxygen content of 7 to 18% by mass.6. The aromatic hydrocarbon formaldehyde resin according to claim 1 , comprising substantially no diarylmethane.9. The modified aromatic hydrocarbon formaldehyde resin according to claim 8 , wherein the compounds represented by the formulae (2) and (3) are at least one selected from the group consisting of phenol claim 8 , cresol claim 8 , catechol claim 8 , hydroquinone claim 8 , phenylphenol claim 8 , biphenol claim 8 , naphthol claim 8 , dihydroxynaphthalene claim 8 , hydroxyanthracene and dihydroxyanthracene.11. An epoxy resin claim 8 , being obtained by reacting a modified aromatic hydrocarbon formaldehyde resin according to with epichlorohydrin.12. A method for producing an epoxy resin claim 8 , comprising reacting a modified aromatic hydrocarbon formaldehyde resin according to with epichlorohydrin to thereby obtain the epoxy resin.13. The aromatic hydrocarbon formaldehyde resin according to claim 2 , wherein the reaction of the aromatic hydrocarbon compound (A) with formaldehyde (B) is carried out in the presence of an alcohol.14. The aromatic hydrocarbon formaldehyde ...

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Номер записи: 66
10-05-2018 дата публикации

Resin Composition and Uses of The Same

Номер: US20180126699A1
Автор: LIU Shur-Fen
Принадлежит:

A resin composition is provided. The resin composition comprises: 4. The resin composition of claim 1 , wherein the cross-linking agent (b) is selected from a group consisting of triallyl isocyanurate (TAIC) claim 1 , phenolic resin claim 1 , allyl-containing phenolic resin claim 1 , allyl-containing styrene maleic anhydride (SMA) resin claim 1 , and mixtures thereof.5. The resin composition of claim 2 , wherein the cross-linking agent (b) is selected from a group consisting of triallyl isocyanurate (TAIC) claim 2 , phenolic resin claim 2 , allyl-containing phenolic resin claim 2 , allyl-containing styrene maleic anhydride (SMA) resin claim 2 , and mixtures thereof.6. The resin composition of claim 3 , wherein the cross-linking agent (b) is selected from a group consisting of triallyl isocyanurate (TAIC) claim 3 , phenolic resin claim 3 , allyl-containing phenolic resin claim 3 , allyl-containing styrene maleic anhydride (SMA) resin claim 3 , and mixtures thereof.7. The resin composition of claim 1 , wherein the weight ratio of the resin (a) to the cross-linking agent (b) is about 4:1 to about 1:1 claim 1 , and the weight ratio of the compound (c) to the total weight of the resin (a) and the cross-linking agent (b) is about 1:1 to about 1:10.8. The resin composition of claim 2 , wherein the weight ratio of the resin (a) to the cross-linking agent (b) is about 4:1 to about 1:1 claim 2 , and the weight ratio of the compound (c) to the total weight of the resin (a) and the cross-linking agent (b) is about 1:1 to about 1:10.9. The resin composition of claim 3 , wherein the weight ratio of the resin (a) to the cross-linking agent (b) is about 4:1 to about 1:1 claim 3 , and the weight ratio of the compound (c) to the total weight of the resin (a) and the cross-linking agent (b) is about 1:1 to about 1:10.10. The resin composition of claim 4 , wherein the weight ratio of the resin (a) to the cross-linking agent (b) is about 4:1 to about 1:1 claim 4 , and the weight ratio ...

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Номер записи: 67
31-07-2014 дата публикации

Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof

Номер: US20140211374A1
Автор: Kazuto Fujihara, Kei Hirota, Ryosuke Sugihara
Принадлежит: Tayca Corp

There is provided a conductive polymer having high conductivity with excellent heat resistance. Using the conductive polymer, there can be provided solid electrolytic capacitors having low ESR, high reliability, and less leakage current. There can be also provided conductive films having high conductivity and superior heat resistance. There is provided a conductive polymer dispersion liquid obtained by a method in which in the presence of a copolymer from styrenesulfonic acid, and at least one kind of a non-sulfonic acid monomer selected from the group consisting of methacrylate, acrylate, and an unsaturated hydrocarbon containing alkoxysilane compound or its hydrolysate, thiophene or its derivative is polymerized by oxidation polymerization in water, or in an aqueous solution comprising a mixture of water and a water miscible solvent to produce the conductive polymer dispersion liquid. Using the conductive polymer as solid electrolyte, a solid electrolyte capacitor can be provided. Also, using the conductive polymer, a conductive film can be provided.

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Номер записи: 68
17-05-2018 дата публикации

COMPOSITION OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING

Номер: US20180134891A1
Автор: Brule Benoit, DECRAEMER Nadine, Huze Denis, MATHIEU Cyrille, PASCAL Jérome, STER Herve
Принадлежит: Arkema France

The present invention relates to a composition comprising at least one poly(arylene ether ketone) powder suitable for laser sintering and also to the process which makes it possible to obtain it, minimizing the amount by weight of remaining non-sintered powder after production of the part by sintering. 1. A composition comprising a PEKK powder , the tapped density of which is less than 340 kg/m , limit included , measured according to ISO 1068-1975 (F) , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s , limit included , or a passage time in a 17 mm funnel of less than 30 s.2. The composition as claimed in claim 1 , wherein the PEKK exhibits a percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units of between 55% and 85%.3. The composition as claimed in claim 1 , comprising claim 1 , in addition to the PEKK powder claim 1 , a PEK claim 1 , PEEKEK claim 1 , PEEK or PEKEKK powder claim 1 , the PEKK powder representing more than 50% by weight claim 1 , limit included.4. The composition as claimed in claim 1 , additionally comprising a filler.5. The composition as claimed in claim 1 , additionally comprising at least one additive.6. A heat treatment process for preparing a PEKK powder the tapped density of which is less than 340 kg/m claim 1 , limit included claim 1 , measured according to ISO 1068-1975 (F) claim 1 , and the flowability of which exhibits a passage time in a 12 mm funnel of less than 50 s claim 1 , limit included claim 1 , or a passage time in a 17 mm funnel of less than 30 s claim 1 , the process comprising the following stages:arranging a PEKK powder in a ventilated chamber in a static or dynamic device;{'sup': '3', 'heating the PEKK powder at a temperature between T−10° C. and T+10° C., where T=3.75*A+37.5, expressed in ° C., A representing the percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units and is ...

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Номер записи: 69
28-05-2015 дата публикации

AQUEOUS BINDER COMPOSITIONS OF ALIPHATIC OR CYCLOALIPHATIC DICARBOXALDEHYDES AND RESORCINOL

Номер: US20150148484A1
Автор: FINCH William C., Mulik Sudhir M., Sekharan Manesh Nadupparambil
Принадлежит:

The present invention provides substantially formaldehyde free aqueous thermosetting binder resins from resorcinol and cycloaliphatic dialdehydes, glutaraldehyde or their mixtures and urea which may be excluded or included up to amounts which deter hot wet tensile strength in the cured binder. The compositions provide binders that on a performance cost basis are equivalent to phenol formaldehyde resins but without the formaldehyde. 1. A substantially formaldehyde free thermosetting binder composition comprising resorcinol dialdehyde resin from (i) resorcinol and (ii) one or more dialdehyde chosen from cyclohexane dicarboxaldehyde , glutaraldehyde , or their mixtures in aqueous or non-aqueous systems with and without organic solvents.2. The composition as claimed in claim 1 , wherein the dialdehyde is a cyclohexane dialdehyde chosen from cis-1 claim 1 ,3 cyclohexane dicarboxaldehyde claim 1 , a trans-1 claim 1 ,3 cyclohexane dicarboxaldehyde claim 1 , a cis-1 claim 1 ,4 cyclohexane dicarboxaldehyde claim 1 , a trans-1 claim 1 ,4 cyclohexane dicarboxaldehyde claim 1 , or a mixture of any two or more thereof and dissolved in water in presence of resorcinol.3. The composition as claimed in claim 1 , wherein the ratio of the number of hydroxyl equivalent groups of the resorcinol to the number of aldehyde equivalent groups of the one or more dialdehyde ranges from 1:1 to 4:1 claim 1 , or claim 1 , more preferably claim 1 , 1:1 to 3:1.4. The composition as claimed in claim 3 , the equivalent ratio of hydroxy groups in the base catalyst to the hydroxy groups which are present in the aqueous mixture of resorcinol and dialdehyde may be 0:1 to 0.28:1 preferably less than 0.30:1.5. The composition as claimed in claim 1 , comprising resorcinol dialdehyde resin from the (i) resorcinol claim 1 , the (ii) one or more dialdehyde (iii) urea and (iii) base.6. The composition as claimed in claim 1 , further comprising an epoxy functional hydrolysable silane.7. The composition as ...

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Номер записи: 70
25-05-2017 дата публикации

High Flow Polyaryletherketone Composition

Номер: US20170145208A1
Автор: LU Bing, Luo Rong, Yu Yuehua, Zhao Xinyu
Принадлежит:

A polymer composition that contains a polyaryletherketone and thermotropic liquid crystalline polymer, which are melt processed in the presence of a flow modifier. The flow modifier is a functional compound that contains one or more hydroxyl functional groups. 1. A polymer composition that comprises at least one polyaryletherketone and from about 1 to about 100 parts of at least one liquid crystalline polymer per 100 parts of the polyaryletherketone , wherein the composition is formed by melt processing the polyaryletherketone and the liquid crystalline polymer in the presence of a flow modifier , wherein the flow modifier includes a functional compound.2. The polymer composition of claim 1 , wherein the functional compound is present in an amount from about 0.05 to about 5 parts by weight per 100 parts by weight of the polyaryletherketone.3. The polymer composition of claim 1 , wherein the ratio of the melt viscosity of the polymer composition to the melt viscosity of the polyaryletherketone is about 0.80 or less claim 1 , as determined in accordance with ISO Test No. 11443:2005 at a temperature of 400° C. and a shear rate of 1000 s.4. The polymer composition of claim 1 , wherein the polymer composition has a melt viscosity of from about 0.1 to about 250 Pa-s as determined in accordance with ISO Test No. 11443:2005 at a temperature of 400° C. and shear rate of 1000 s.5. The polymer composition of claim 1 , wherein the liquid crystalline polymer contains repeating units derived from naphthenic hydroxycarboxylic acids claim 1 , naphthenic dicarboxylic acids claim 1 , or a combination thereof in an amount of no more than about 8 mol. %.6. The polymer composition of claim 1 , wherein the liquid crystalline polymer consists essentially of repeating units derived from 4-hydroxybenzoic acid; repeating units derived from terephthalic acid and/or isophthalic acid; and repeating units derived from 4 claim 1 ,4′-biphenol and/or hydroquinone.7. The polymer composition of claim ...

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Номер записи: 71
16-05-2019 дата публикации

Adhesive compound for reinforcing plies for tyres

Номер: US20190144617A1
Автор: Enrico Carone
Принадлежит: Bridgestone Corp

An adhesive composition that can be applied to reinforcing plies of textile material for tyres and comprising (a) an elastomeric rubber latex, (b) a precondensed resin composed of resorcinol and formaldehyde and comprising protected isocyanate groups, (c) lignin and (d) a compound chosen from urea and thiourea.

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Номер записи: 72
31-05-2018 дата публикации

METHOD FOR THE THERMAL TREATMENT OF POLY-ARYLENE ETHER KETONE KETONE POWDERS SUITABLE FOR LASER SINTERING

Номер: US20180148572A1
Автор: Brule Benoit, DECRAEMER Nadine, Huze Denis, PASCAL Jérome, STER Herve
Принадлежит: Arkema France

The invention relates to a process for the heat treatment of poly(arylene ether ketone ketone) powder suitable for laser sintering, and also to the powders resulting from this process. 1. A process for the treatment of a powder comprising PEKK to obtain a treated powder , wherein the treated powder has a measured flowability exhibiting a passage time in a 17 mm funnel of less than 40 s , limit included , said flowability being measured in the following way:a glass funnel with an orifice of 17 mm is filled with the treated powder up to 5 mm from the edge and the orifice of the bottom is blocked with a finger,the flow time of the treated powder is measured with a stopwatch,if flow does not take place, the funnel is tapped using a spatula, wherein the operation is repeated, if required, arranging the powder comprising PEKK in a ventilated chamber or any other heating system;', 'heating the powder comprising PEKK at a temperature of between T−10° C. and T+10° C., where T=3.75*A+37.5, expressed in ° C., A representing the percentage by weight of terephthalic unit with respect to the sum of the terephthalic and isophthalic units of between 55% and 85%, and for a time strictly of less than 30 minutes., 'the flow time and the number of tapped blows using the spatula are recorded, the process comprising the following stages2. The process as claimed in claim 1 , wherein claim 1 , in addition to the PEKK claim 1 , the powder comprises a PEK claim 1 , PEEKEK claim 1 , PEEK or PEKEKK powder in proportions by weight such that the PEEK represents more than 50%.3. The process as claimed in claim 1 , wherein the powder additionally comprises a filler.4. The process as claimed in claim 1 , wherein the powder additionally comprises at least one additive.5. The process as claimed in claim 1 , wherein the ventilated chamber is a static oven.6. The process as claimed in claim 1 , wherein the ventilated chamber is a fluidized bed.7. The process as claimed in claim 1 , wherein the ...

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Номер записи: 73
17-06-2021 дата публикации

POLYETHERETHERKETONE COMPOSITE AND METHOD OF PREPARING SAME

Номер: US20210179805A1
Автор: LONG Chunguang, Peng Xin, Peng Ying
Принадлежит: CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

The invention provides a polyetheretherketone (PEEK) composite and a method of preparing same. The PEEK composite is prepared from 55-90 parts by mass of PEEK, 5-30 parts by mass zinc aluminum (ZA) alloy, 5-15 parts by mass graphite, 0.3-1 parts by mass graphene oxide (GO) and a processing additive. The PEEK composite is prepared by the following steps: putting the ZA alloy into an aqueous solution of a quaternary ammonium salt surfactant, ultrasonically dispersing, filtering, washing and drying; dissolving the GO in deionized water, dispersing the ZA alloy in deionized water, and adding a GO solution dropwise to a ZA alloy dispersion to obtain a GO/ZA alloy complex; mixing the PEEK, the GO/ZA alloy complex, the graphite and the processing additive, and drying at 100-120° C. for 3-4 h; and mixing in a mixer, and carrying out compression molding at 380-400° C. 1. A polyetheretherketone (PEEK) composite , wherein the PEEK composite is prepared from about 55-90 parts by mass of PEEK , about 5-30 parts by mass of zinc aluminum (ZA) alloy , about 5-15 parts by mass of graphite , about 0.3-1 parts by mass of graphene oxide (GO) and a processing additive; the ZA alloy is prepared from the following raw materials: about 90.5-91.1 parts by mass of zinc , about 8.5-8.6 parts by mass of aluminum , about 1.1-1.2 parts by mass of copper , and trace amounts of iron and magnesium impurities; the ZA alloy is made into powder by a smelting-nitrogen atomization method , and then flake-like alloy powder is made by a wet ball milling method; a melting point of the ZA alloy is 360-400° C.; the PEEK composite is prepared by the following steps:putting the flake-like ZA alloy powder into an aqueous solution of a quaternary ammonium salt surfactant, ultrasonically dispersing for more than 30 min, filtering, washing with deionized water and drying;ultrasonically dispersing and dissolving the GO in deionized water, ultrasonically dispersing the ZA alloy processed by the above step in ...

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Номер записи: 74
07-06-2018 дата публикации

Syntactic foam

Номер: US20180155519A1
Автор: Peter John Mellersh, Simon Harry Shepherd
Принадлежит: Advanced Insulation Ltd

A fire resistant syntactic foam material, the material comprising the reaction product of a reaction mixture including a resole cold curing phenolic resin and incorporating a plurality of hollow spheres, the reaction mixture also including a solution of a partial phosphate ester, a low viscosity phosphate plasticiser, a reinforcing filler and a particulate filler.

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Номер записи: 75
14-05-2020 дата публикации

PROCESS FOR PREPARING PARTICLES OF AROMATIC POLYMERS, PARTICLES OBTAINABLE BY SAID PROCESS AND THEIR USES

Номер: US20200148880A1
Автор: BRANHAM Kelly D., Jeol Stéphane, ROLLER David Blake
Принадлежит:

The invention relates to a process for preparing polymeric particles, based on the use of a polyester polymer (PE) comprising units from a dicarboxylic acid component and a diol component, wherein at least 2 mol. % of the diol component is a poly(alkylene glycol). The process comprises the melt-blending of the aromatic polymer (P) with the PE, the cooling the blend and the recovery of the particles by dissolution of the PE into water. The present invention relates to polymeric particles obtained therefrom and to the use of these particles in SLS 3D printing, coatings and toughening of thermoset resins. 1. Process for preparing polymeric particles , comprising the following steps: a) at least one polymer (P) selected from the group consisting of poly(aryl ether ketone) (PAEK), poly(aryl ether sulfone) (PAES), polyetherimide (PEI), poly(phenyl ether) (PPE), aromatic polyamideimide (PAI) and polyphenylene (PPh), and', at least one dicarboxylic acid component,', {'br': None, 'sub': m', '2m', 'n, 'H(O—CH)—OH'}, 'at least one diol component, wherein at least 2 mol. % of the diol component is a poly(alkylene glycol) having a formula (I)], 'b) at least one polyester polymer (PE) comprising units from, 'wherein m is an integer from 2 to 4 and n varies from 2 to 10,, 'melt-blending a mixture (M) comprisingprocessing the mixture (M) into pellets or strands,cooling the pellets or strands at a temperature below 80° C.,contacting said pellets or strands with water, possibly heated to a temperature up to 95° C., possibly supplemented with an acid or a base,recovering the particles,optionally drying the particles, andoptionally sieving the particles.4. The process of any one of the preceding claims , wherein the PE further comprises recurring units from a difunctional monomer containing at least one SOM group attached to an aromatic nucleus , wherein the functional groups are carboxy and wherein M is H or a metal ion selected from the group consisting of sodium , lithium and ...

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Номер записи: 76
21-06-2018 дата публикации

Friction material

Номер: US20180172098A1
Автор: Kazuhide Yamamoto, Takuya Matsuzawa
Принадлежит: Nisshinbo Brake Inc

[Object] To provide a friction material, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition, used for a disc brake assembled in such as a passenger car, which does not degrade the inhibitory effect of rusting and prevents seizure due to corrosion even if the automotive while the parking brake in operation is left under a high humidity state for a long period of time. [Means to Resolve] A friction material, which is manufactured by forming the NAO friction material composition including a binder, a fiber base material, a friction modifier, a lubricant, a pH adjuster, and a filler, where the friction material composition contains 2-6 weight % of alkali metal salt and/or alkaline earth metal salt as the pH adjuster relative to the total amount of the friction material composition, 1-7 weight % of fibrillated organic fiber as the fiber base material relative to the total amount of the friction material composition, and 0-0.5 weight % of water-repelling component relative to the total amount of the friction material composition.

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Номер записи: 77
22-06-2017 дата публикации

Compositions and Methods for Modified Ester-Curatives and Reduction of Formaldehyde Emission and Odor in Ester-Cured Phenolic Binder Systems

Номер: US20170174813A1
Автор: Sudhir K. Trikha
Принадлежит: HA-INTERNATIONAL LLC

This invention relates to compositions and methods for reduction of formaldehyde odor and emission during the production and curing of cores and molds, particularly those cores and molds of the foundry industry which comprise ester curable phenolic binders. More specifically, included herein is an ester-curative comprising an ester and resorcinol which, when provided in a composition with a resin and an aggregate, effectively scavenges unreacted formaldehyde thereby reducing emission and odor of the same from the composition.

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Номер записи: 78
06-06-2019 дата публикации

CELLULOSE NANOCRYSTALS - THERMOSET RESIN SYSTEMS, APPLICATIONS THEREOF AND ARTICLES MADE THEREFROM

Номер: US20190169421A1
Автор: ALEMDAR-THOMSON Ayse, BRUNETTE Gilles, FENG Martin W., HE Guangbo, KOUISNI Lamfeddal, PALEOLOGOU Michael, Wan Hui, WANG Xiang-Ming, ZHANG Yaolin
Принадлежит: FPINNOVATIONS

The present describes wood adhesives reinforced with cellulose nanocrystals (CNC), in liquid and powder forms in which resin system are a phenol-formaldehyde polymer and/or lignin-phenol-formaldehyde polymer and polymeric methylene diphenyl diisocyanate (pMDI), and a method of making this polymer in liquid and powder from and the composite products that can be produced therefrom. 1. A method of producing a liquid thermoset resin with improved storage modulus comprising the steps of:providing a phenolic compound,providing a formaldehyde compound,providing cellulose nanocrystals, andproviding a hydroxide base;mixing the phenolic compound and from 0.5 to 2% cellulose nanocrystals by weight of cellulose nanocrystals with water and the hydroxide base at a constant temperature making a phenolic blend;methylolating of the phenolic compound by adding the formaldehyde compound to the phenolic blend to start the polymerization through condensation and controlling the temperature producing a reaction mixture; andstopping the polymerization by cooling the reaction mixture until the mixture reaches a specific viscosity producing the thermoset resin with improved storage modulus by at least 25% at temperatures of about 30° C. to 210° C.2. A method for producing a powder thermoset resin with improved storage modulus comprising the steps of “providing a phenolic compound,providing a formaldehyde compound,providing cellulose nanocrystals, andproviding a hydroxide base;mixing the phenolic compound and the formaldehyde compound with water making a phenolic blend;polymerizing the phenolic blend by adding the hydroxide base to the phenolic blend to start the polymerization and controlling the temperature producing a reaction mixture;stopping the polymerization by cooling the reaction mixture until the mixture reaches a specific viscosity to produce a phenolic resin;mixing 0.5 to 2% of the cellulose nanocrystals with the phenolic resin; anddrying the phenolic resin to produce the ...

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Номер записи: 79
02-07-2015 дата публикации

Clay-compatible additive for construction chemicals

Номер: US20150183688A1
Автор: Barbara Mittermaier, Joachim Dengler
Принадлежит: CONSTRUCTION RESEARCH AND TECHNOLOGY GmbH

The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.

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Номер записи: 80
02-07-2015 дата публикации

METHOD FOR PROCESSING A HIGH TEMPERATURE RESISTANT THERMOSETTING MATERIAL

Номер: US20150183993A1
Автор: Biradar Amitkumar, Gharda Keki Hormusji, Parida Tushar R., TRIVEDI Prakash D.
Принадлежит:

The present disclosure provides a polymeric composition resistant to temperatures comprising Poly 2,5rBenzimidazole having intrinsic viscosity (I. V.) between 1.0 and 2.5; and at least one binder having a glass transition temperature less than the glass transition temperature of Poly2,5-Benzimidazole and intrinsic viscosity ranging between 0.2 and 1.5. The present disclosure also provides a process for preparing the polymeric composition resistant to temperatures. 2. The polymeric composition as claimed in claim 1 , wherein the binder is selected from the group consisting of Poly Ether Ketone (PEK) Poly Aryl Ether Ketone (PAEK) claim 1 , Poly Ether Ether Ketone claim 1 , (PEEK) claim 1 , Poly Ether Ketone Ketone (PEKK) claim 1 , Polyphenelene Sulfide (PPS) claim 1 , Polyether Imide (PEI) Poly Ether Sulfones (PES) claim 1 , and Polyphenyl Sulfone (PPSU).3. The polymeric composition as claimed in claim 1 , wherein the binder is selected from the group consisting of Poly Ether Ether Ketone (PEEK) and Poly Ether Sulfone (PES).5. The process as claimed in claim 4 , wherein the binder is at least one compound having a glass transition temperature lower than the glass transition temperature of Poly 2 claim 4 ,5-Benzimidazole.6. The process as claimed in claim 4 , wherein the binder is selected from the group consisting of Poly Ether Ketone (PEK) claim 4 , Poly Aryl Ether Ketone (PAEK) claim 4 , Poly Ether Ether Ketone (PEEK) claim 4 , Poly Ether Ketone Ketone (PEKK) claim 4 , Polyphenelene Sulfide (PPS) claim 4 , Polyether Imide (PEI) Poly Ether Sulfones (PES) and Polyphenyl Sulfone (PPSU).7. The process as claimed in claim 4 , wherein the inherent viscosity (I.V.) of Poly 2 claim 4 ,5-Benzimidazole ranges between 1.0 and 2.5.8. The process as claimed in claim 4 , wherein the inherent viscosity of the binder ranges between 0.2 and 1.5.9. The process as claimed in claim 4 , wherein the ratio of Poly 2 claim 4 ,5-Benzimidazole to the binder ranges from 95:5 and 5:95. The ...

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Номер записи: 81
08-07-2021 дата публикации

POLYMERIC AEROGEL COMPOSITE AND SYNTHESIS BY AMBIENT AND FREEZE-DRYING`

Номер: US20210206926A1
Автор: BERTINO Massimo, CZLONKA Sylwia
Принадлежит:

Polymeric aerogels, articles made from the polymeric aerogels and methods of making the polymeric aerogels are provided. The aerogels are made e.g. from crosslinkable monomers such as isocyanate monomers or phenolic monomers and a filler comprising crosslinkable hydroxyl groups. The filler may be natural (e.g. wood flour) or synthetic. The aerogels and products made therefrom exhibit low thermal conductivity and are mechanically strong. Due to their physical properties, these materials are used as e.g. building envelope components, such as walls, roofs and frames, to improve the thermal performance thereof, and may be used in a variety of other applications such as sound and insulation barriers in mechanical equipment, cryogenic containers, etc. 1. A construction , thermal insulating , or acoustic insulating material , comprisinga polymer formed from either one or more isocyanate monomers or one or more phenolic monomers; anda natural or synthetic filler,wherein said polymer is chemically bonded to or associated with said filler, andwherein said polymer and said filler form of a polymeric aerogel.2. The material of wherein said polymer is formed from said one or more isocyanate monomers and one or more polyols claim 1 , wherein said filler has one or more hydroxy moieties claim 1 , and wherein said polymer is chemically bonded to said filler at least one of said one or more hydroxyl moieties.3. The material of wherein said polymer is formed from said one or more phenolic monomers and one or more second monomers selected from the group consisting of formaldehyde and furfuryl alcohol claim 1 , wherein said filler has one or more hydroxy moieties claim 1 , and wherein said polymer is chemically bonded to said filler at least one of said one or more hydroxyl moieties.4. The material of wherein said construction material is nailable without cracking.5. The material of wherein said polymeric aerogel has a thermal conductivity below 0.08 W/mK claim 1 , a compressive ...

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Номер записи: 82
30-06-2016 дата публикации

Resin compositions comprising lignin derivatives

Номер: US20160185810A1
Автор: Alex Berlin
Принадлежит: FIBRIA INNOVATIONS Inc

The present invention provides derivatives of native lignin having a certain ethoxy content. Surprisingly, it has been found that phenolic resins comprising derivatives of native lignin having certain ethoxy contents have acceptable performance characteristics such as bond-strength.

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Номер записи: 83
13-06-2019 дата публикации

HIGH-STRENGTH RUBBER COMPOSITION COMPRISING AN AROMATIC POLYPHENOL DERIVATIVE

Номер: US20190177532A1
Автор: BOUTEVIN Gilles, GAVARD-LONCHAY ODILE, Loubat Cedric, THUILLIEZ ANNE-LISE
Принадлежит:

A rubber composition comprises at least one phenol-aldehyde resin based: on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, and on at least one aldehyde. 128.-. (canceled)29. A rubber composition comprising at least one phenol-aldehyde resin based:on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, andon at least one aldehyde.30. The rubber composition according to claim 29 , wherein the aromatic ring of the at least one derivative of the aromatic polyphenol bears three —O—Z groups in the meta position relative to one another.31. The rubber composition according to claim 29 , wherein the two positions ortho to each —O—Z group are unsubstituted.32. The rubber composition according to claim 29 , wherein the remainder of the aromatic ring of the at least one derivative of the aromatic polyphenol is unsubstituted.33. The rubber composition according to claim 29 , wherein the at least one derivative of the aromatic polyphenol comprises several aromatic rings claim 29 , at least two of these each bearing at least two —O—Z groups in the meta position relative to one another claim 29 , the two positions ortho to at least one of the —O—Z groups of at least one aromatic ring being unsubstituted.34. The rubber composition according to claim 29 , wherein the claim 29 , or each claim 29 , aromatic ring of the at least one derivative of the aromatic polyphenol is a benzene ring.35. The rubber composition according to claim 29 , wherein the at least one derivative of the aromatic polyphenol is selected from the group consisting of ...

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Номер записи: 84
29-06-2017 дата публикации

SEMI-CRYSTALLINE BUILD MATERIALS

Номер: US20170183497A9
Автор: Jaker Vittorio L., Rodgers Luke M.B.
Принадлежит:

A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having at least a 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer. 1. A polymeric material comprising:a semi-crystalline polymer; anda secondary material or materials wherein when the secondary material or materials are combined with the semi-crystalline polymer to form a blend with at least at 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.2. The polymeric material of and wherein the when the secondary material or materials are combined with the semi-crystalline polymer to form a blend with at least at 5° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.5. The polymeric material of and wherein the when the secondary material or materials are combined with the semi-crystalline polymer to form a blend with at least at 10° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.6. The polymeric material of and wherein the secondary material or materials comprises an amorphous polymer that is substantially miscible with the semi-crystalline polymer.7. The polymeric material of and wherein the secondary material or materials comprises an irregular monomer present to breakup the regularity of repeating units claim 1 , hindering the formation of crystallites.8. The polymeric material of and wherein the semi-crystalline material comprises one or more semi-crystalline polyesters and the secondary material comprises glycol modified polyethylene terephthalates.9. The polymeric material of and wherein the one or more semi-crystalline polyesters comprises between about 50 wt. % and about 99 wt. % and the comprises glycol modified polyethylene terephthalates comprises between about 1 wt. % and about 50 wt. % of the ...

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Номер записи: 85
25-09-2014 дата публикации

Resin composition, resin sheet, and cured resin material and method for producing the same

Номер: US20140283972A1
Автор: Haruaki Sue, Hideyuki Katagi, Hiroyuki Takahashi, Hiroyuki Tanaka, Kensuke Yoshihara, Masayoshi Joumen, Naoki Hara, Tomoo Nishiyama, Yasuo Miyazaki, Yoshitaka Takezawa
Принадлежит: Hitachi Chemical Co Ltd

A resin composition constituted by containing an epoxy resin monomer having a mesogenic structure, a novolac resin containing a compound having a structural unit represented by the following general formula (I), and an inorganic filler is superior in preservation stability before curing, and can attain high thermal conductivity after curing. In the following general formula (I), R 1 , R 2 and R 3 independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group; m represents an integer of 0 to 2; and n an integer of 1 to 7.

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Номер записи: 86
23-07-2015 дата публикации

RESIN COMPOSITION AND MOLDED ARTICLE

Номер: US20150203679A1
Автор: MASUDA Haruhisa, Nishiumi Masami, Ueda Yuki
Принадлежит: DAIKIN INDUSTRIES, LTD.

The present invention aims to provide a resin composition capable of providing a molded article which is excellent in flexibility, acid resistance, and electrical properties. The resin composition of the present invention includes: an aromatic polyether ketone resin (I); and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF═CF—Rf(1) wherein Rfrepresents —CFor —ORf, and Rfrepresents a C-Cperfluoroalkyl group, the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I), the resin composition satisfying a ratio (I):(II) by mass between the aromatic polyether ketone resin (I) and the fluororesin (II) of 50:50 to 10:90. 2. The resin composition according to claim 1 ,wherein the fluororesin (II) in the aromatic polyether ketone resin (I) has an average dispersed particle size of 10 μm or smaller.3. The resin composition according to claim 1 ,wherein the aromatic polyether ketone resin (I) and the fluororesin (II) satisfy a melt viscosity ratio (I)/(II) of 0.01 to 1.0.4. The resin composition according to claim 1 ,wherein the fluororesin (II) has a melt flow rate of 0 to 100 g/10 min.5. The resin composition according to claim 1 ,wherein the aromatic polyether ketone resin (I) is a polyether ether ketone.6. The resin composition according to claim 1 ,wherein the resin composition is a kneaded product obtainable by melt-kneading the aromatic polyether ketone resin (I) and the fluororesin (II).7. A molded article claim 1 , comprising the resin composition according to . The present invention relates to a resin composition and a molded article.Switching from metal components to resin components has recently been actively studied for the purposes of weight saving and cost reduction. The studies have led to practical use of vehicle components, industrial components, and electrical and electronic components formed from a ...

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Номер записи: 87
13-07-2017 дата публикации

PROCESS FOR STABILIZING PHENOLIC RESINS CONTAINING CALIXARENES

Номер: US20170198133A1
Автор: AUBE Todd, BARBIERO Gennaro, Baxter, BIITTIG Ricky, JR. James M.
Принадлежит:

This invention relates to a process for stabilizing a phenolic resin containing a mixture of linear phenolic resins and calixarenes and a demulsifier composition comprising the stabilized phenolic resins prepared from the process. The process comprises contacting the phenolic resin with an alkylene carbonate, in the presence of a base catalyst, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized phenolic resin with an increased solubility in a hydrocarbon solvent. 120-. (canceled)21. A stabilized phenolic resin prepared by the process comprising:contacting, in a one-step process, a phenolic resin containing a mixture of linear phenolic resins and calixarenes, with an alkylene carbonate, in the presence of a base catalyst, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes, thereby forming a stabilized phenolic resin mixture,wherein about 0.2 to 1 mole of alkylene carbonate reacts with the phenolic hydroxyl groups for each mole of the phenolic resin.22. The stabilized phenolic resin of claim 21 , wherein the phenolic hydroxyl groups of the linear phenolic resins are also at least partially alkoxylated.23. The stabilized phenolic resin of claim 21 , wherein the alkylene carbonate is propylene carbonate claim 21 , ethylene carbonate claim 21 , or butylene carbonate.24. The stabilized phenolic resin of claim 21 , wherein the benzene ring of the linear phenolic resins and calixarenes is independently substituted by H claim 21 , Cto Calkyl claim 21 , phenyl claim 21 , or arylalkyl.25. The stabilized phenolic resin of claim 21 , wherein the linear phenolic resins and calixarenes independently contain a Cto Calkyl substituent on the benzene ring.26. The stabilized phenolic resin of claim 21 , wherein the phenolic resin contains about 20% to about 75% calixarenes.27. The stabilized phenolic resin of claim 26 , wherein the phenolic resin contains about 20% to about 50% calixarenes.28. ...

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Номер записи: 88
13-07-2017 дата публикации

HEAT TREATED POLYMER POWDERS

Номер: US20170198134A1
Автор: Bertelo Christopher A., DeCarmine Anthony, DeFelice Scott F., Garcia-Leiner Manuel A.
Принадлежит:

The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes. 1. A heat-treated polymer composition suitable for selective laser sintering , roto-molding or powder coating , said composition comprising at least two semicrystalline or crystallizable polyetherketoneketone polymorphs having at least two different melting points (X) and (Y) wherein one of (X) or (Y) is a highest melting point crystalline polymorph and the other of (X) or (Y) is a melting point of the other crystalline polymorph , [{'br': None, '-A-C(═O)—B—C(═O)—\u2003\u2003I (Isomer T)'}, {'br': None, '-A-C(═O)-D-C(═O)—\u2003\u2003II (Isomer I)'}], 'wherein the polyetherketoneketone comprises repeating units represented by Formulas I and IIwhere A is a p,p′-Ph-O-Ph-group, Ph is a phenylene radical, B is p-phenylene, and D is m-phenylene, wherein the T:I isomer ratio is in the range of from 60/40 to 80/20, whereby the content of the highest melting crystalline polymorph has been increased and/or maximized relative to the content of the other crystalline polymorph in the polymer composition.2. The polymer composition of claim 1 , wherein the semicrystalline or crystallizable polymorphic polymers are in the form of particles having a weight average particle size of 15 to 150 microns.3. The polymer composition of further comprising one or more other components selected from the group consisting of non-polymorphic ...

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Номер записи: 89
21-07-2016 дата публикации

POLYMERIC MATERIALS

Номер: US20160208090A1
Автор: Wood Alan
Принадлежит:

A component comprises a first part and a second part, wherein said second part is in contact with said first part, wherein: (i) said first part comprises a first polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties; (ii) said second part comprises a second polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties; (iii) the melting temperature (Tm) of the second polymer is less than the melting temperature (Tm) of the first polymer. In a preferred embodiment, said first polymer is polyetheretherketone and said second polymer is a copolymer having a repeat unit of formula VIII and a repeat unit of formula IX. 1. A component comprising a first part and a second part , wherein said second part is in contact with said first part , wherein:(i) said first part comprises a first polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties;(ii) said second part comprises a second polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties;(iii) the melting temperature (Tm) of the second polymer is less than the melting temperature (Tm) of the first polymer.2. The component according to claim 1 , wherein the level of crystallinity in said first polymer is at least 25% and the level of crystallinity in said second polymer is at least 20%.5. (canceled)8. The component according to claim 7 , wherein t1=1 claim 7 , v1=0 and w1=0.9. (canceled)11. The component according to claim 10 , wherein said repeat units VI and VII are in the relative molar proportions VI:VII of from 65:35 to 95:5.12. The component according to claim 1 , wherein the following relationship applies in relation to the second polymer:{'br': None, 'sub': '10', 'i': 'X', 'log(%)>1.50−0.26 MV;'}wherein X % refers to the % crystallinity.14. (canceled)15. The component according to claim 1 , wherein said first polymer is part of a ...

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Номер записи: 90
29-07-2021 дата публикации

Resin Composition, Prepreg, Metal Foil-Clad Laminate, Resin Sheet, and Printed Wiring Board

Номер: US20210229407A1
Автор: Katsuya Yamamoto, Kazuyuki Higashita, Saori Honda, Yoshitaka Ueno
Принадлежит: Mitsubishi Gas Chemical Co Inc

Provided are a resin composition that can form a printed wiring board with a low dielectric constant and dielectric loss tangent and excellent alkali resistance and desmear resistance; and a prepreg, a resin sheet, a metal foil-clad laminate, and a printed wiring board formed using this resin composition. The resin composition contains a styrene-based elastomer (A), a styrene oligomer (B), a maleimide compound (C), and a cyanate ester compound (D).

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Номер записи: 91
02-10-2014 дата публикации

Resin composition for wet friction material, phenolic resin for wet friction material and wet friction material

Номер: US20140296374A1
Автор: Hajime Mifuka
Принадлежит: Sumitomo Bakelite Co Ltd

A phenolic resin for a wet friction material of the present invention is a phenolic resin used in a wet friction material and a bisphenol-modified phenolic resin modified with bisphenols. In addition, a wet friction material of the present invention is formed using the phenolic resin for a wet friction material.

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Номер записи: 92
26-07-2018 дата публикации

Solubilized alkoxylated calixarene resins

Номер: US20180208702A1
Автор: Allyson Staats, Cornelius Haase, Matthew MEKETA, Ricky Biittig, Robert Cable
Принадлежит: SI Group Inc

This invention relates to an alkoxylated calixarene resin comprising one or more modified calixarene alkoxylate compounds. The invention also relates to a process for preparing a solubilized alkoxylated calixarene resin comprising reacting a phenolic resin mixture, comprising linear phenolic resins and calixarene compounds having phenolic hydroxyl groups, with one or more epoxide-containing compounds to alkoxylate one or more of the phenolic hydroxyl groups of the calixarene compounds to form a solubilized phenolic resin mixture, and reacting the solubilized phenolic resin mixture with one or more alkylene oxides.

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Номер записи: 93
25-06-2020 дата публикации

INTERNALLY INCORPORATED PHENOLIC RESINS IN WATER-BASED (METH)ACRYLATE ADHESIVE COMPOSITIONS, PRE-ADHESIVE REACTION MIXTURES, METHODS, AND ARTICLES

Номер: US20200199422A1
Автор: Ali Mahfuza B., Antony Prince P., El Hedok Ibrahim A., Johnson Elizabeth E., Kim Youhoon, Purgett Mark D.
Принадлежит:

Cationic or zwitterionic polymer adhesives, adhesive articles, aqueous polymerizable pre-adhesive reaction mixtures, and methods of preparation that include internal incorporation of a phenolic resin. The aqueous polymerizable pre-adhesive reaction mixtures include one or more cationic (meth)acrylate monomers, one or more low Tg nonionic monomer having a (meth)acryloyl group, optionally one or more anionic (meth)acrylate monomers, and one or more phenolic resins. 1. An aqueous polymerizable pre-adhesive reaction mixture comprising:water;one or more cationic (meth)acrylate monomers; anda dispersed phase comprising one or more low Tg nonionic monomers and one or more phenolic resins, wherein the low Tg nonionic monomers have a (meth)acryloyl group and have a Tg of no greater than 20° C. when homopolymerized.2. The aqueous pre-adhesive reaction mixture of wherein the one or more phenolic resins comprise a terpene phenolic resin claim 1 , an alkyl phenolic resin claim 1 , or combinations thereof.3. The aqueous pre-adhesive reaction mixture of wherein the one or more phenolic resins comprise a terpene phenolic resin.4. The aqueous pre-adhesive reaction mixture of wherein the terpene phenolic resin has a hydroxyl value of 20 to 220 mg KOH per gram resin.5. The aqueous pre-adhesive reaction mixture of wherein the one or more phenolic resins comprise an alkyl phenolic resin.6. The aqueous pre-adhesive reaction mixture of wherein the alkyl phenolic resin comprises a para-alkylphenol-formaldehyde novolac resin.7. The aqueous pre-adhesive reaction mixture of wherein the phenolic resin is present in the pre-adhesive reaction mixture in an amount of 2 to 30 parts per one hundred parts of total monomers.8. The aqueous pre-adhesive reaction mixture of wherein the one or more cationic (meth)acrylate monomers comprise a (meth)acrylate ester having an alkyl ammonium functionality claim 1 , or a mixture of two or more thereof.9. The aqueous pre-adhesive reaction mixture of wherein the ...

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Номер записи: 94
16-10-2014 дата публикации

Novel cyanate ester compound and method for producing the same, and curable resin composition comprising the compound, and cured product thereof composition

Номер: US20140308530A1
Автор: Daisuke Ohno, Masanobu Sogame, Masayuki Katagiri, Seiji Kita, Yuuichi Sugano
Принадлежит: Mitsubishi Gas Chemical Co Inc

To provide a novel cyanate ester compound that can realize a cured product having low dielectric constant and dielectric loss tangent, and excellent flame retardancy and heat resistance, and moreover has relatively low viscosity, excellent solvent solubility, and also excellent handling properties, and a method for producing the cyanate ester compound, and a curable resin composition and the like using the cyanate ester compound. A phenol-modified xylene formaldehyde resin is cyanated.

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Номер записи: 95
11-07-2019 дата публикации

Thermoplastic Composite Laminate with Ultraviolet Protection and Method of Forming the Same

Номер: US20190210338A1
Автор: Bogucki Gregg R., Childers Christopher H.
Принадлежит: The Boeing Company

A consolidated thermoplastic composite laminate with ultraviolet protection is provided. The consolidated thermoplastic composite laminate with ultraviolet protection comprises at least one ply of thermoplastic pre-preg material. The consolidated thermoplastic composite laminate with ultraviolet protection also comprises a polymer film positioned on a side of the at least one ply of thermoplastic pre-preg material. The polymer film imparts ultraviolet protection to the thermoplastic pre-preg material after the polymer film and the thermoplastic pre-preg material are heated to a temperature sufficient to consolidate the polymer film and the thermoplastic pre-preg material and thereby to provide the consolidated thermoplastic composite laminate with ultraviolet protection. 1. A consolidated thermoplastic composite laminate with ultraviolet protection , comprising:at least one ply of thermoplastic pre-preg material;a polymer film positioned on a side of the at least one ply of thermoplastic pre-preg material, wherein the polymer film imparts ultraviolet protection to the thermoplastic pre-preg material after the polymer film and the thermoplastic pre-preg material are heated to a temperature sufficient to consolidate the polymer film and the thermoplastic pre-preg material and thereby to provide the consolidated thermoplastic composite laminate with ultraviolet protection.2. The consolidated thermoplastic composite laminate of wherein a thickness of the polymer film is between about 0.005 inches and about 0.010 inches.3. The consolidated thermoplastic composite laminate of wherein a thickness of the at least one ply of thermoplastic pre-preg material is between about 0.001 inches and about 0.014 inches.4. The consolidated thermoplastic composite laminate of wherein a thickness of the polymer film is between about 0.1% and about 15% of the total weight of the consolidated thermoplastic composite laminate with ultraviolet protection.5. The consolidated thermoplastic ...

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Номер записи: 96
12-08-2021 дата публикации

SLIDING MEMBER

Номер: US20210246937A1
Автор: NAKAJIMA Hideyuki
Принадлежит:

Provided is a sliding member for a journal bearing. The sliding member includes a back-metal layer and a sliding layer, and has a partially cylindrical shape. The sliding layer includes a synthetic resin and has a sliding surface. The sliding layer has a linear expansion coefficient KS in a direction parallel to a circumferential direction of the sliding member, a linear expansion coefficient KJ in a direction parallel to a center axis direction of the sliding member, and a linear expansion coefficient KT in a direction perpendicular to the sliding surface, and the linear expansion coefficients KS, KJ, and KT satisfy the following relations (1) and (2): Relation (1): 1.1≤KS/KJ≤2; and Relation (2): 1.3≤KT/{(KS+KJ)/2}≤2.5. 1. A sliding member for a journal bearing , the sliding member comprising:a back-metal layer; anda sliding layer on the back-metal layer,wherein the sliding member has a partially cylindrical shape,wherein the sliding layer includes a synthetic resin and has a sliding surface, and [{'br': None, 'i': 'KS/KJ≤', '1.1≤2; and\u2003\u2003relation (1), {'br': None, 'i': KT', 'KS+KJ, '1.3≤/{()/2}≤2.5.\u2003\u2003relation (2)], 'wherein the sliding layer has a linear expansion coefficient KS in a direction parallel to a circumferential direction of the sliding member, a linear expansion coefficient KJ in a direction parallel to a center axis direction of the sliding member, and a linear expansion coefficient KT in a direction perpendicular to the sliding surface, and the linear expansion coefficients KS, KJ and KT satisfy the following relations (1) and (2)2. The sliding member according to claim 1 , wherein the linear expansion coefficients KS and KJ of the sliding layer satisfy the following relation (3):{'br': None, 'i': 'KS/KJ≤', '1.1≤1.7.\u2003\u2003relations (3)3. The sliding member according to claim 1 , wherein the synthetic resin includes one or more selected from polyether ether ketone claim 1 , polyether ketone claim 1 , polyether sulfone claim 1 ...

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Номер записи: 97
12-08-2021 дата публикации

SLIDING MEMBER

Номер: US20210246944A1
Автор: NAKAJIMA Hideyuki
Принадлежит:

Provided is a sliding member for a thrust bearing. The sliding member includes a back-metal layer and a sliding layer, and has a partially annular shape. The sliding layer includes a synthetic resin and has a sliding surface. In a center line region of the sliding layer, the sliding layer has a linear expansion coefficient KS in a direction parallel to a circumferential direction of the sliding member, a linear expansion coefficient KJ in a direction parallel to a radial direction of the sliding member, and a linear expansion coefficient KT in a direction perpendicular to the sliding surface, and the linear expansion coefficients KS, KJ, and KT satisfy the following relations (1) and (2): Relation (1): 1.1≤KS/KJ≤2; and Relation (2): 1.3≤KT/{(KS+KJ)/2}≤2.5. 1. A sliding member for a thrust bearing , the sliding member comprising:a back-metal layer; anda sliding layer on the back-metal layer,wherein the sliding member has a partially annular shape,wherein the sliding layer includes a synthetic resin and has a sliding surface, and [{'br': None, 'i': 'KS/KJ≤', '1.1≤2; and\u2003\u2003relation (1), {'br': None, 'i': KT', 'KS+KJ, '1.3≤/{()/2}≤2.5.\u2003\u2003relation (2)], 'wherein, in a center line region of the sliding layer, the sliding layer has a linear expansion coefficient KS in a direction parallel to a circumferential direction of the sliding member, a linear expansion coefficient KJ in a direction parallel to a radial direction of the sliding member, and a linear expansion coefficient KT in a direction perpendicular to the sliding surface, and the linear expansion coefficients KS, KJ and KT satisfy the following relations (1) and (2)2. The sliding member according to claim 1 , wherein the linear expansion coefficients KS and KJ of the sliding layer satisfy the following relation (3):{'br': None, 'i': 'KS/KJ≤', '1.1≤1.7.\u2003\u2003relations (3)3. The sliding member according to claim 1 , wherein the synthetic resin includes one or more selected from polyether ...

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Номер записи: 98
02-07-2020 дата публикации

RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN

Номер: US20200209749A1
Автор: Higo Mutsuko, SUGIHARA Masako
Принадлежит: Sumitomo Chemical Company, Limited

Disclosed is a resist composition including a novolak resin in which a hydroxy group is substituted with a group represented by formula (3), an acid generator, a quencher, and a solvent: 2. The resist composition according to claim 1 , wherein the novolak resin is a phenol novolak resin.5. The resist composition according to claim 3 , wherein the resin having a group represented by formula (2) is a novolak resin and a hydroxy group of the novolak resin is substituted with a group represented by formula (2).6. A method for producing a resist pattern claim 3 , which comprises:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(1) a step of applying the resist composition according to on a substrate,'}(2) a step of drying the applied composition to form a composition layer,(3) a step of exposing the composition layer, and(4) a step of developing the exposed composition layer. The present invention relates to a resist composition and a method for producing a resist pattern using the resist composition.Patent Document 1 and Patent Document 2 mention a resist composition including a resin in which a hydroxy group of cresol novolak is protected with a tert-butoxycarbonyl group.An object of the present invention is to provide a resist composition capable of producing a resist pattern with small change over time and satisfactory pattern shape.The present invention includes the following inventions.[1] A resist composition comprising a novolak resin in which a hydroxy group is substituted with a group represented by formula (3), an acid generator, a quencher, and a solvent:wherein, in formula (3), Rrepresents a hydrocarbon group having 1 to 20 carbon atoms and * represents a bond.[2] The resist composition according to [1], wherein the novolak resin is a phenol novolak resin.[3] The resist composition according to [1] or [2], further comprising a resin having a group represented by formula (2):wherein, in formula (2), Rand Reach independently represent a hydrogen atom or a ...

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Номер записи: 99
09-08-2018 дата публикации

IN-SITU ALKYLPHENOL-ALDEHYDE RESINS

Номер: US20180223029A1
Автор: BANACH TIMOTHY EDWARD, BARBIERO Gennaro, HISCOCK Jeffrey M., MAKENZIE Todd Scott, WHITNEY John Morgan
Принадлежит:

The invention relates to an in-situ process for preparing an alkylphenol-aldehyde resin. The process comprises the step of providing a raw alkylphenol composition. The raw alkylphenol composition comprises one or more alkylphenol compounds and at least about 1 wt % phenol. Each alkylphenol compound has one or more alkyl substituents. The raw alkylphenol composition is reacted directly, without pre-purification, with one or more aldehydes to form an in-situ alkylphenol-aldehyde resin. The invention also relates to an in-situ alkylphenol-aldehyde resin formed from the in-situ process, and its use in a tackifier composition and rubber composition. The tackifier composition and rubber composition containing the in-situ alkylphenol-aldehyde resin show, inter alia, improved tack performance. 1. An alkylphenol-aldehyde resin prepared by reacting , without pre-purification , a raw alkylphenol composition directly with one or more aldehydes , wherein the raw alkylphenol source comprisesone or more alkylphenol compounds, each compound having one or more alkyl substituents, andat least about 1 wt % phenol.2. The alkylphenol-aldehyde resin of claim 1 , wherein the alkylphenol-aldehyde resin is a novolak type resin.3. The alkylphenol-aldehyde resin of claim 1 , wherein the alkylphenol-aldehyde resin is a resole type resin.4. The alkylphenol-aldehyde resin of claim 1 , further comprising alkylphenol-aldehyde resins prepared from pure alkylphenol.5. The alkylphenol-aldehyde resin of claim 1 , wherein the aldehyde is formaldehyde.6. The alkylphenol-aldehyde resin of claim 1 , comprising 1 wt % to about 10 wt % phenol.7. The alkylphenol-aldehyde resin of claim 6 , comprising about 5% to about 10 wt % phenol.8. The alkylphenol-aldehyde resin of claim 7 , comprising about 6% to about 8 wt % phenol.9. The alkylphenol-aldehyde resin of claim 1 , wherein the alkylphenol composition comprises:about 50 to about 85 wt % para-tert-alkylphenol,about 5 to about 10 wt % phenol,about 7 to about ...

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Номер записи: 100