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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 31608. Отображено 100.
05-01-2012 дата публикации

Process for the polymerization of vinyl chloride

Номер: US20120004382A1
Автор: Nicholas M. Martyak
Принадлежит: Taminco BV

In a process for the aqueous suspension polymerization of vinyl chloride, alone or in mixture with other monomers, in the presence of at least one of dialkylperoxydicarbonate, peroxyester and diacyl peroxide, the polymerization composition according to the invention comprises at least one dialkylhydroxylamine as a shortstopping agent along with a totally or partially hindered phenolic antioxidant.

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Номер записи: 1
14-07-2020 дата публикации

Термоформуемая пленка

Номер: RU0000198494U1
Автор: Степанов Николай Вячеславович
Принадлежит: ООО "ВАЙТ"

Полезная модель относится к многослойным влаго- и газобарьерным термоформуемым пленкам из синтетических полимеров, характеризующимся наличием нанесенного декоративного слоя. Технический результат заключается в расширении арсенала термоформуемых пленок с декоративным слоем. Технический результат достигается тем, что термоформуемая пленка с печатью для изготовления лотков под пищевые продукты состоит из термоформуемой пленки и термоусадочной пленки ПВХ, на которую нанесена печать флексографическим способом, причем термоформуемая пленка и термоусадочная пленка ПВХ соединены между собой посредством ламинации. 4 фиг. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 198 494 U1 (51) МПК B32B 27/30 (2006.01) B32B 7/028 (2019.01) C08L 27/06 (2006.01) B65D 1/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК B32B 27/304 (2020.02); B32B 7/028 (2020.02); C08L 27/06 (2020.02); B65D 1/34 (2020.02) (21)(22) Заявка: 2019144650, 28.12.2019 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ООО "ВАЙТ" (RU) Дата регистрации: 14.07.2020 Приоритет(ы): (22) Дата подачи заявки: 28.12.2019 (45) Опубликовано: 14.07.2020 Бюл. № 20 1 9 8 4 9 4 R U (54) Термоформуемая пленка (57) Реферат: Полезная модель относится к многослойным влаго- и газобарьерным термоформуемым пленкам из синтетических полимеров, характеризующимся наличием нанесенного декоративного слоя. Технический результат заключается в расширении арсенала термоформуемых пленок с декоративным слоем. Технический результат достигается тем, что Стр.: 1 термоформуемая пленка с печатью для изготовления лотков под пищевые продукты состоит из термоформуемой пленки и термоусадочной пленки ПВХ, на которую нанесена печать флексографическим способом, причем термоформуемая пленка и термоусадочная пленка ПВХ соединены между собой посредством ламинации. 4 фиг. U 1 U 1 Адрес для переписки: 394018, г. Воронеж, ул. Плехановская 14, Киреева Ирина Александровна 1 9 8 4 9 4 (56 ...

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Номер записи: 2
26-01-2012 дата публикации

Filled Fluororesin Sheet, Process for Producing the Same, and Gasket

Номер: US20120022200A1
Автор: Shinya Kurokawa
Принадлежит: Nippon Valqua Industries Ltd

Provided is a filled fluororesin sheet excellent in stress relaxation properties, in particular stress relaxation properties at a high temperature. The filled fluororesin sheet includes a fluororesin and an inorganic filler having a revised Mohs hardness of not less than 8, in a fluororesin:inorganic filler volume ratio of 30-55:70-45 (wherein the total of the two is 100).

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Номер записи: 3
01-03-2012 дата публикации

Polyvinyl Chloride Formulations

Номер: US20120048417A1
Автор: Bryan St.Onge, Henri St.Onge, Mark A. Smith, Thomas Marti
Принадлежит: Underground Solutions Technologies Group Inc

An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.

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Номер записи: 4
22-03-2012 дата публикации

Polymer thick film encapsulant and enhanced stability ptc carbon system

Номер: US20120067867A1
Автор: Jay Robert Dorfman, Vince Arancio
Принадлежит: EI Du Pont de Nemours and Co

The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and , in particular, in PTC heater circuitry in mirror heater and seat heater applications.

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Номер записи: 5
29-03-2012 дата публикации

Novel plasticizer for a polyvinyl chloride resin

Номер: US20120077914A1
Автор: Ho Wang, Ki Nam Chung, Seung Gweon Hong, Tae Wook Kwon
Принадлежит: SK Global Chemical Co Ltd, SK Innovation Co Ltd

The present invention relates to an ester compound using alicyclic polyhydric acid and to a plasticizer for plastics, particularly, polyvinylchloride (PVC), including the ester compound More particularly, the present invention relates to a plasticizer, which is derived by the esterification reaction of alicyclic polyhydric acid and alcohol. When a polyvinylchloride resin is manufactured using the plasticizer, there are advantages in that the obtained products are excellent in terms of plasticizing efficiency, and in that their physical properties, such as hardness, tensile strength and the like, can be improved.

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Номер записи: 6
17-05-2012 дата публикации

Organosol composition of fluorine-containing polymer

Номер: US20120123031A1
Автор: Atsuko Tanaka, Kazunobu Uchida, Nobuhiko Tsuda, Takahiro Kitahara, Taku Yamanaka, Takuji Ishikawa, Tomoyuki Fukatani
Принадлежит: Daikin Industries Ltd

The present invention provides an organosol composition that is stable even in the case that the PTFE particle content is high. The present invention relates to an organosol composition of PTFE particles, comprising PTFE particles (A), a polymer (B), and an organic solvent (S), wherein (1) the polymer (B) is soluble in the organic solvent (S), (2) the amount of the PTFE particles (A) is not lower than 50% by mass of the total amount of the PTFE particles (A) and the polymer (B), and (3) the precipitation ratio of the PTFE particles after 48 hours is not higher than 60% when the total solids concentration of the PTFE particles (A) and the polymer (B) is 5% by mass.

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Номер записи: 7
07-06-2012 дата публикации

Aqueous process for making fluoropolymers

Номер: US20120142858A1
Автор: Greylan Burch, Mehdi Durali, Patrick Kappler, Ramin Amin-Sanayei
Принадлежит: Arkema Inc

A novel aqueous polymerization process for making fluoropolymer dispersions is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers contain blocks of polyethylene glycol, polypropylene glycol and/or polytetramethylene glycol. The process and fluoropolymer produced contain no fluorinated surfactant. The fluoropolymers have excellent resistance to discoloration.

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Номер записи: 8
14-06-2012 дата публикации

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

Номер: US20120148774A1
Автор: Alexandra Piotrowicz, Jeannette Ho, Richard Witmeyer, Sanjoy Mullick, Weilun Chang
Принадлежит: Interface Biologics Inc

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

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Номер записи: 9
14-06-2012 дата публикации

Mold release film and process for producing light emitting diode

Номер: US20120148820A1
Автор: Tamao Okuya
Принадлежит: Asahi Glass Co Ltd

To provide a mold release film for producing a light emitting diode by a mold, which is less susceptible to formation of pin holes or rupture and which is applicable to mass production of a light emitting diode by means of a mold having a plurality of cavities, and a process for producing a light emitting diode by means of such a mold release film. A mold release film to be disposed on the cavity surface of a mold to form a substantially hemispherical lens portion by encapsulating a light emitting element of a light emitting diode with an encapsulation resin, which release film has a thickness of from 16 to 175 μm and a tensile rupture elongation of from 600 to 3,000% at 110° C. as measured in accordance with JIS K7127, and a process for producing a light emitting diode by means of such a mold release film.

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Номер записи: 10
05-07-2012 дата публикации

STENT GRAFT WITH TWO LAYER ePTFE LAYER SYSTEM WITH HIGH PLASTICITY AND HIGH RIGIDITY

Номер: US20120172977A1
Автор: Gunther STOCKERT, Rainer Bregulla
Принадлежит: Abbott Cardiovascular Systems Inc

A vascular prosthesis and method are disclosed comprising a first flexible stent having a lattice structure with a compacted configuration and an expanded configuration, a second flexible stent inside the first flexible stent to form a tubular structure, a first film layer of graft material such as expanded polytetrafluoroethylene sandwiched between the first and second flexible stents, and a second film layer of expanded polytetrafluoroethylene sandwiched between the first and second flexible stents, the second layer having a higher rigidity and a lower plasticity than the first layer.

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Номер записи: 11
12-07-2012 дата публикации

Electrically conductive polymer compositions for coating applications

Номер: US20120175596A1
Автор: Charles D. Lang, Che-Hsiung Hsu, Daniel David Lecloux, Gordana Srdanov, Hjalti Skulason, Michel Dubeau, Nancy L. Gin, Tami Janene Faircloth, Trevor Hsu, Veevin Tsao Kuo Hsu, Wesley Hsu
Принадлежит: EI Du Pont de Nemours and Co

The present invention relates to electrically conductive polymer compositions, and their use in electronic devices. The compositions contain a semi-aqueous dispersion of at least one electrically conductive polymer doped with at least one highly-fluorinated acid polymer, non-conductive oxide nanoparticles, at least one high-boiling organic liquid, and at least one lower-boiling organic liquid.

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Номер записи: 12
02-08-2012 дата публикации

Fluoropolymer emulsion coatings

Номер: US20120196042A1
Автор: Jurgen Hofmans
Принадлежит: EI Du Pont de Nemours and Co

The present invention relates to an aqueous/oil emulsion containing fluoropolymer that is capable of forming thick coatings in a single pass, which coatings after drying and baking are free of cracks.

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Номер записи: 13
09-08-2012 дата публикации

Polyvinyl Chloride Formulations

Номер: US20120199236A1
Автор: Bryan St. Onge, Henri St. Onge, Mark A. Smith, Thomas Marti
Принадлежит: Underground Solutions Technologies Group Inc

An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.

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Номер записи: 14
09-08-2012 дата публикации

Crosslinkable fluororubber composition and crosslinked rubber article

Номер: US20120202950A1
Автор: Daisuke Shirakawa, Kunio Watanabe, Makoto Honda, Tomoyuki Fujita
Принадлежит: Asahi Glass Co Ltd

Obtaining a crosslinked rubber with high flexibility at low temperature includes crosslinking a fluororubber composition. The fluororubber composition includes a fluororubber and a compound of formula (X—) x (Z—) z Y. In the formula, X is U—(CF 2 ) a O(CF 2 CF 2 O) b —; Z is R F O(CF 2 CF 2 O) c —; Y is a (x+z) valent perfluoro saturated hydrocarbon group, optionally interrupted by an etheric oxygen atom; x is an integer of at least 3; z is an integer of at least 0; U is a monovalent group with an unsaturated hydrocarbon, a bromine atom, an iodine atom, or a combination thereof; R F is a C 1-20 linear perfluoroalkyl group, optionally interrupted by an etheric oxygen atom; a is an integer of from 0 to 20; b is an integer of from 1 to 200; and c is an integer of from 3 to 200.

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Номер записи: 15
13-09-2012 дата публикации

Post Processing Filled Microporous Membranes

Номер: US20120228792A1
Автор: Ann M. Edwards, Kirby W. Beard
Принадлежит: POROUS POWER Technology

A porous membrane may be manufactured with a high content of filler material and a polymer binder. After forming the membrane, the membrane may be post processed to reform the polymer binder into a stronger yet still porous membrane. The post processing may include bringing the membrane above the melt temperature of the polymer or by immersing the membrane in a solvent. Photomicrographs show that the structure may change, yet the performance of the material in batteries and other electrochemical cells may remain the same or even improve.

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Номер записи: 16
20-09-2012 дата публикации

Durable polyoxymethylene composition

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

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

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Номер записи: 17
04-10-2012 дата публикации

Polymer blend composition and tunable actuators using the same

Номер: US20120248945A1
Автор: Chong-min Koo, Hee-La KWAK, Jin-Hong Lee, Kie-Yong Cho, Kyung-Ho Min, Kyung-Youl BAEK, Sang-Hee Park, Seung-Sang Hwang, Soon-Man Hong
Принадлежит: Korea Advanced Institute of Science and Technology KAIST

The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a flexible elastomeric block copolymer showing an effective miscibility therewith, and a tunable actuator using the same.

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Номер записи: 18
18-10-2012 дата публикации

Liquid-repellent, large-area, electrically-conducting polymer composite coatings

Номер: US20120261182A1
Автор: Arindam Das, Constantine M. Megaridis, Ilker S. Bayer, Manish K. Tiwari
Принадлежит: University of Illinois

A polymeric composition including a blend of poly(vinylidine fluoride) (PVDF), poly(methyl methacrylate) (PMMA), carbon nanofibers, and poly(tetrafluoroethylene) (PTFE) particles is described and claimed. The polymeric composition may be coated onto a substrate and dried to form a film adhered to the substrate. The film optionally exhibits an electrical conductivity of about 10 Siemens per meter (S/m) to about 310 S/m and an electromagnetic interference shielding of about 32 decibels. Further, a coated substrate is provided including a substrate and a film adhered to the substrate, where the film includes a polymeric composition comprising a blend of PVDF, PMMA, carbon nanofibers, and PTFE particles.

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Номер записи: 19
08-11-2012 дата публикации

Bicycle front derailleur body and device for adjustable rest of such derailleur body on a tube of a bicycle frame

Номер: US20120280097A1
Автор: Paolo Pasqua
Принадлежит: Campagnola Srl

A device for connecting a front derailleur to the front tube of a bicycle. The device is fixed to the derailleur and the front tube at a predetermined position and includes an adjustable rest for contacting the front tube and positioning the derailleur.

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Номер записи: 20
15-11-2012 дата публикации

Vehicle engine oil seal

Номер: US20120286479A1
Автор: Hidetaka Ogishi, Kouhei Takemura, Tetsuya Mizone, Tomihiko Yanagiguchi
Принадлежит: Daikin Industries Ltd, Honda Motor Co Ltd

The present invention provides a vehicle engine oil seal having excellent sliding properties over the entire rotation range of engines from a low rotation range to a high rotation range. The present invention is a vehicle engine oil seal comprising: an elastic member with a seal lip portion having at least a main lip portion, wherein the elastic member is formed of a composition containing a fluororubber and a fluororesin and has projecting portions at least on a surface of the main lip portion, the projecting portions being substantially formed of the fluororesin contained in the composition, the fluororesin is a copolymer including a polymerization unit derived from ethylene and a polymerization unit derived from tetrafluoroethylene, and the fluororubber is a polymer including a polymerization unit derived from vinylidene fluoride.

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Номер записи: 21
22-11-2012 дата публикации

High dielectric film

Номер: US20120293909A1
Автор: Eri Mukai, Kouji Yokotani, Mayuko Tatemichi, Meiten Koh, Miharu Ota, Nanako Takano, Nobuyuki Komatsu
Принадлежит: Daikin Industries Ltd

The present invention provides a high dielectric film comprising: a film-forming resin (A); and inorganic particles (B), wherein the film-forming resin (A) contains a vinylidene fluoride resin (a1), an amount of the inorganic particles (B) is not less than 0.01 parts by mass and less than 10 parts by mass for each 100 parts by mass of the film-forming resin (A), and the inorganic oxide particles (B) is at least one selected from the group consisting of: (B1) inorganic oxide particles of a metallic element of Group 2, 3, 4, 12, or 13 of the Periodic Table, or inorganic oxide composite particles of these; (B2) inorganic composite oxide particles represented by formula (1): M 1 a1 N b1 O c1 wherein M 1 represents a metallic element of Group 2, N represents a metallic element of Group 4, a1 represents 0.9 to 1.1, b1 represents 0.9 to 1.1, c1 represents 2.8 to 3.2, and the numbers of M 1 and N each may be more than 1; and (B3) inorganic oxide composite particles of an oxide of a metallic element of Group 2, 3, 4, 12, or 13 of the Periodic Table and silicon oxide. The film has improved volume resistivity while maintaining a high dielectric constant owing to a VdF resin.

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Номер записи: 22
22-11-2012 дата публикации

Barrier and priming compositions

Номер: US20120296030A1
Автор: Chih-Chung Hsu
Принадлежит: 3M Innovative Properties Co

The present application is directed to a primer composition comprising a fluorinated polymer and a nitrogen containing polymer. In some embodiments, the fluorinated polymer is a copolymer. In some embodiments, the fluorinated polymer is chlorinated. In some embodiments, the nitrogen containing polymer is amino functional, and in some embodiments, the nitrogen containing polymer is amide functional.

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Номер записи: 23
29-11-2012 дата публикации

Simplified organic electronic device employing polymeric anode with high work function

Номер: US20120298974A1
Автор: Seong-Hoon Woo, Tae-woo Lee
Принадлежит: Academy Industry Foundation of POSTECH

An electronic device employing a polymeric anode with high work function.

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Номер записи: 24
10-01-2013 дата публикации

Chemical Additives to Make Polymeric Materials Biodegradable

Номер: US20130011906A1
Автор: John Allen Lake, Samuel David Adams
Принадлежит: BIO TEC ENVIRONMENTAL LLC

The present invention is a new additive material that is physically blended with polymeric material to create at least a partially biodegradable product.

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Номер записи: 25
28-02-2013 дата публикации

Decorative welding rod for surface coverings

Номер: US20130051904A1
Автор: Ake Pettersson, Christer Andersson
Принадлежит: Tarkett GDL SA

The present invention relates to a multicolour decorative welding rod ( 3 ) and a method to produce a multicolour decorative welding rod, said welding rod comprising a PVC-based component A and a PVC-based component B, in a ratio of component A/component B comprised between 10/90 to 50/50, said components A and B being associated in such a way that the composition of said component A comprises a PVC having a higher melt viscosity and/or a higher melting point, than the PVC of said component B, said components A and B being of a different colour.

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Номер записи: 26
28-02-2013 дата публикации

Impact modifier composition, an impact resistant composition, method of producing the same, and articles made therefrom

Номер: US20130053516A1
Автор: Charles M. Vanek, Edward M. Bridge, Mark T. Berard
Принадлежит: Dow Global Technologies LLC

The instant invention is an impact modifier composition and method of producing the same. The impact modifier composition comprises (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition.

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Номер записи: 27
14-03-2013 дата публикации

PACKAGING FOR LIPOPHILIC MATERIALS

Номер: US20130064932A1
Автор: Daute Peter, Schäfer Martin
Принадлежит:

The present invention relates to a packaging comprising a container surrounding a container interior, wherein at least the inner surface of the container in contact with the container interior is produced from a composition which comprises a thermoplastic polymer, and a plasticizer composition comprising a polymeric plasticizer and a polyol ester, and wherein the container is at least partly filled with a lipophilic packed product. 2. The packaging according to , wherein the container is multilayered laminate , the innermost layer of which facing the container interior is produced from the composition defined in .3. The packaging according to claim 2 , wherein the packaging is obtainable by a process comprising the process stepsa) provision of a laminate precursor;b) application of a composition to at least one of the two surfaces of the laminate precursor, the composition being obtainable by mixing the thermoplastic polymer in particulate form and the plasticizer composition;c) heating of the composite applied to at least one of the two surfaces of the laminate precursor to a temperature which is sufficient to gel the composition;d) cooling of the gelled composition;e) formation of a container from the laminate obtained in this way, the layer applied in process step b) facing the container interior;f) filling of the container with the lipophilic packed substance; andg) closing of the filled container.4. The packaging according to claim 2 , wherein the container is produced from the composition defined in to the extent of at least 50 wt. % claim 2 , based on the total weight of the container.5. The packaging according to claim 4 , wherein the packaging is obtainable by a process comprising the process stepsA) introduction of a composition which is obtainable by mixing the thermoplastic polymer in particulate form and the plasticizer composition into an injection mould which forms the container;B) heating of the composition in the injection mould to a temperature ...

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Номер записи: 28
21-03-2013 дата публикации

Polyvinyl Chloride Formulations

Номер: US20130068342A1
Автор: Marti Thomas, Smith Mark A., St. Onge Henri, St.Onge Byran
Принадлежит: Underground Solutions Technologies Group, Inc.

An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections. 1. An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part , wherein a fusion joint between the first extruded part and the second extruded part is formed by:A) melting at or above a melting temperature of the polyvinyl chloride composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part;B) engaging the melted terminal edges; andC) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a.2. The polyvinyl chloride composition according to claim 1 , wherein the polyvinyl chloride is virgin polyvinyl chloride.3. The polyvinyl chloride composition according to claim 1 , further comprising from 0.001 to 1.5 percent by weight of one or more heat stabilizers.4. The polyvinyl chloride composition according to claim 1 , further comprising from 0.1-5 percent by weight of one or more divalent metal salts of one or more Cto Clinear claim 1 , branched or cyclic alkyl claim 1 , alkenyl claim 1 , aryl claim 1 , aralkyl or alkaryl carboxylic acids.5. The polyvinyl chloride composition according to claim ...

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Номер записи: 29
04-04-2013 дата публикации

MELTPROCESSED FLUOROPOLYMER ARTICLE AND METHOD FOR MELT-PROCESSING FLUOROPOLYMERS

Номер: US20130085220A1
Автор: Comeaux Christopher M., Leboeuf Mathilde, Supriya Lakshmi
Принадлежит:

A polymer article includes a meltproces sable blend of a melt-viscid fluoropolymer and a liquid crystalline polymer. Methods are presented for preparing a meltproces sable blend from a melt-viscid fluoropolymer and liquid crystalline polymer. 1. A polymeric article comprises a meltprocessable blend of a melt-viscid fluoropolymer and a liquid crystalline polymer (LCP).2. The polymeric article according to claim 1 , wherein the blend has a weight-to-weight ratio of fluoropolymer to LCP of not greater than about 99:1 claim 1 , such as not greater than about 95:5 claim 1 , not greater than about 90:10 claim 1 , not greater than about 85:15 claim 1 , not greater than about 80:20 claim 1 , not greater than about 75:25 claim 1 , not greater than about 70:30 claim 1 , not greater than about 60:40 claim 1 , or not greater than about 50:50.3. The polymeric article according to claim 1 , wherein the melt-viscid fluoropolymer is selected from polytetrafluoroethylene (PTFE) claim 1 , fluorinated ethylene-propylene (FEP) claim 1 , polyvinylidenefluoride (PVDF) claim 1 , polychlorotrifluoroethylene (PCTFE) claim 1 , ethylene chlorotrifluoroethylene (ECTFE) claim 1 , perfluoroalkoxypolymer (PFA) claim 1 , perfluoroelastomers (FFKM) claim 1 , or any combination thereof.4. The polymeric article according to claim 1 , wherein the melt-viscid fluoropolymer has a melt viscosity of at least about 10Poise claim 1 , such as at least about 10Poise claim 1 , at least about 10Poise claim 1 , at least about 10Poise claim 1 , at least about 10Poise claim 1 , at least about 10Poise claim 1 , at least about 10Poise claim 1 , or even at least about 10Poise.5. The polymeric article according to claim 1 , wherein the LCP comprises repeat units derived form 4-hydroxybenzoic acid claim 1 , 4 claim 1 ,4′-biphenol claim 1 , terphthalic acid claim 1 , isophthalic acid claim 1 , 1 claim 1 ,5-naphthalenedicarboxylic acid claim 1 , or 2 claim 1 ,6-naphthalenedicarboxylic acid claim 1 , hydroxynapthoic acid ...

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Номер записи: 30
11-04-2013 дата публикации

VINYL CHLORIDE RESIN COMPOSITION FOR POWDER MOLDING, AND MOLDED ARTICLE AND LAMINATE OF VINYL CHLORIDE RESIN

Номер: US20130089728A1
Автор: Iwahori Takahisa, KOBAYASHI Toshiya
Принадлежит: ZEON CORPORATION

A vinyl chloride resin composition for powder molding contains 100 parts by mass of (a) a vinyl chloride resin, 65 to 105 parts by mass of (b) a specific trimellitate plasticizer, and 10 to 50 parts by mass of (c) a specific diester phthalate plasticizer. A mixture ratio of (c) the specific diester phthalate plasticizer to whole plasticizers is in a range of 5 to 50 percents by mass. 2. The vinyl chloride resin composition for powder molding as set forth in claim 1 , being to be subjected to powder slush molding.3. A vinyl chloride resin molded article being obtained by subjecting to powder slush molding a vinyl chloride resin composition for powder molding as set forth in .4. The vinyl chloride resin molded article as set forth in claim 3 , being an automobile instrument panel surface.5. A laminate claim 3 , in which a polyurethane foam molded article and a vinyl chloride resin molded article as set forth in are stacked.6. The laminate as set forth in claim 5 , being a laminate for use in an automobile instrument panel.7. A vinyl chloride resin molded article being obtained by subjecting to powder slush molding a vinyl chloride resin composition for powder molding as set forth in .8. The vinyl chloride resin molded article as set forth in claim 7 , being an automobile instrument panel surface.9. A laminate claim 4 , in which a polyurethane foam molded article and a vinyl chloride resin molded article as set forth in are stacked.10. The laminate as set forth in claim 9 , being a laminate for use in an automobile instrument panel. The present invention relates to (i) a vinyl chloride resin composition for powder molding, which is capable of providing a molded article thereof which (a) has an excellent thermal aging resistance even in a case where a polyurethane foam molded article is stacked on the molded article, and (b) generates fewer volatiles therefrom even in a case where the molded article is heated, (ii) a vinyl chloride resin molded article obtained by ...

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Номер записи: 31
02-05-2013 дата публикации

Fluoroelastomer composition

Номер: US20130109797A1
Автор: Giuseppe Marchionni, Marco Apostolo, Marco Avataneo, Matteo Fantoni
Принадлежит: Solvay Specialty Polymers Italy SpA

The invention pertains to a (per)fluoroelastomer composition comprising: at least one (per)fluoroelastomer [fluoroelastomer (A)]; and from 0.1 to 30 weight parts, per hundred parts of fluoroelastomer (A), of at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain R t ), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain R a ) comprising recurring units of formula: —(CR 1 R 2 —CR 3 R 4 )— wherein R 1 , R 2 , R 3 , R 4 , equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C 1 -C 6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.

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Номер записи: 32
09-05-2013 дата публикации

Film containing an odourless fluorinated acrylic polymer for photovoltaic use

Номер: US20130112268A1
Автор: Anthony Bonnet, Francois Beaume, Nicolas Devaux, Stephane Bizet
Принадлежит: Arkema France SA

The present invention relates to a composition consisting of a fluoropolymer and a white inorganic filler, said composition being intended for the manufacture of monolayer films opaque to visible tight and to UV radiation, useable in particular in the field of photovoltaic cells. The polymeric composition consists of a fluoropolymer and zinc oxide (ZnO), said filler being present in said composition in a weight proportion of 20 to 40%, preferably 20 to 35%. The use of this filler serves on the one hand to avoid the addition of acrylic polymers to the fluoropolymer, and on the other hand, to use processing temperatures that are compatible with the manufacture of a monolayer film by extrusion blow moulding, that is, a temperature of about 220 to 260° C., thereby serving to prevent the degradation of the fluoropolymer.

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Номер записи: 33
16-05-2013 дата публикации

ACRYLIC COPOLYMER FOR USE IN HIGHLY FILLED COMPOSITES

Номер: US20130122227A1
Автор: Hu Rong M., LAVACH Mark L., LAVALLEE Paul R.
Принадлежит: Arkema Inc.

The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. Composite material comprising a siding or pipe , comprising:a) from 15 to 35 weight percent of one or more fillers, at least one filler selected from the group consisting of cellulosic fibers, calcium carbonate, rosin, limestone, aluminum trihydate, silica and quartz;b) from 50 to 95 weight percent of polyvinyl chloride or chlorinated polyvinyl chloride;c) from 0.25 to 46 weight percent of an acrylic copolymer, wherein said acrylic copolymer comprises from 50 to 79 weight percent of methyl methacrylate units, and from 20 to 50 weight percent comprising at least one other acrylic monomer units, wherein said copolymer has a Tg of less than 90° C. and wherein said acrylic copolymer has a weight average molecular weight of from 2 million to 10 million;d) optionally other adjuvants;the total adding to 100 weight percent.13. The composite material of claim 12 , comprising from 71-93 weight percent of said polyvinyl chloride or chlorinated polyvinyl chloride.14. The composite material of claim 12 , wherein said acrylic copolymer comprises from 50 to 75 weight percent of methyl methacrylate units claim 12 , and from 25 to 50 weight percent comprising at least one other acrylic monomer.15. The composite material of claim 12 , wherein said acrylic copolymer comprises from 50 to 70 weight percent of methyl methacrylate units claim 12 , and from 30 to 50 weight percent comprising at least one other acrylic ...

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Номер записи: 34
16-05-2013 дата публикации

CURABLE COMPOSITION AND PROCESS FOR PRODUCING CURED FILM

Номер: US20130123382A1
Автор: ABE Takefumi, ERIGUCHI Takeshi, Ito Masahiro, TSURUOKA Kaori
Принадлежит: Asahi Glass Company, Limited

To provide a curable composition which is sufficiently cured even without a heating step at high temperature and from which a low dielectric constant cured film excellent in the solvent resistance is obtained. 1. A curable composition comprising a fluorinated polyarylene prepolymer (A) having a crosslinkable functional group , a compound (B) having a number average molecular weight of from 140 to 5 ,000 , having at least two crosslinkable functional groups and having no fluorine atoms , a copolymer (C) having the following units (c1) and (c2) and a radical polymerization initiator (D):unit (c1): a unit having a fluoroalkyl group having at most 20 carbon atoms, which may have an etheric oxygen atom between carbon atoms, and having no crosslinkable functional group;unit (c2): a unit having a crosslinkable functional group.2. The curable composition according to claim 1 , wherein each of the crosslinkable functional groups in the prepolymer (A) claim 1 , the compound (B) and the compound (C) which are independent of one another claim 1 , is a crosslinkable functional group selected from the group consisting of a vinyl group claim 1 , an allyl group claim 1 , an ethynyl group claim 1 , a vinyloxy group claim 1 , an allyloxy group claim 1 , an acryloyl group claim 1 , an acryloyloxy group claim 1 , a methacryloyl group and a methacryloyloxy group.3. The curable composition according to claim 1 , which contains from 10 to 80 parts by mass of the compound (B) based on the total amount (100 parts by mass) of the prepolymer (A) and the compound (B).4. The curable composition according to claim 1 , wherein the radical polymerization initiator (D) is a thermal initiator or a photoinitiator.5. The curable composition according to claim 1 , which contains from 0.1 to 20 parts by mass of the copolymer (C) based on the total amount (100 parts by mass) of the prepolymer (A) and the compound (B).6. The curable composition according to claim 1 , wherein the unit (c1) is a unit formed ...

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Номер записи: 35
16-05-2013 дата публикации

Melt-Fabricable Tetrafluoroethylene/perfluoro(alkyl vinyl ether) Copolymer Having Improved Heat Aging Property

Номер: US20130123429A1
Автор: LAHIJANI JACOB
Принадлежит: E I DU PONT DE NEMOURS AND COMPANY

Heat aging of the composition comprising melt-fabricable tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, the alkyl containing 1 to 5 carbon atoms and melt flowable polytetrafluoroethylene is effective to cause thermal transformation of the composition in the solid state, which is epitaxial co-crystallization of the polymer components of the composition, and other valuable changes, such as increased continuous use temperature. 1. Process comprising heat aging a composition comprising melt-fabricable tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer , wherein said perfluoroalkyl contains 1 to 5 carbon atoms , and melt flowable polytetrafluoroethylene , said heat aging being carried out at a temperature greater than 260° C. with said composition being in the solid state.2. The process of wherein said heat aging causes said composition to undergo epitaxial co-crystallization.3. The process of wherein said heat aging is at a temperature of at least 280° C. and/or for at least 4 hours.4. The process of wherein said heat aging is at a temperature of at least 300° C.5. The process of wherein said heat aging is effective wherein said composition exhibits a continuous use temperature of at least 300° C.6. The process of wherein the exhibition of said continuous use temperature is characterized by said composition retaining at least 80% of its tensile modulus prior to said heat aging.7. The process of wherein said heat aging is effective to reduce the coefficient of friction of said composition.8. The process of wherein said heat aging is effective to reduce permeation of said composition by one or more of the gases methane claim 1 , oxygen and carbon dioxide by at least 50%.9. The process of wherein said heat aging is effective to increase the resistance of said composition to sagging and/or ballooning.10. The process of wherein said composition is in the form of tubing.11. Process of wherein said heat aging produces one or more of the following ...

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Номер записи: 36
23-05-2013 дата публикации

VINYL-CHLORIDE-BASED RESIN COMPOSITION FOR TRANSPARENT PRODUCT

Номер: US20130131227A1
Автор: Odagiri Keiichi, Sengoku Tadashi
Принадлежит: ADEKA CORPORATION

The present invention provides a vinyl chloride-based resin composition for transparent products which has sufficient transparency as well as improved performances such as initial coloration property and weathering resistance. 1. A vinyl chloride-based resin composition for transparent products , which is characterized by comprising 0.01 to 0.3 parts by mass of (a) zinc acetylacetonate , 0.1 to 10 parts by mass of (b) a zinc-modified hydrotalcite and 0.1 to 10 parts by mass of (c) an ultraviolet absorber , with respect to 100 parts by mass of a vinyl chloride-based resin.2. The vinyl chloride-based resin composition for transparent products according to claim 1 , wherein said (b) zinc-modified hydrotalcite is a compound represented by the following Formula (1):{'br': None, 'sub': x1', 'x2', '2', '2(X1+X2)+4', '3', '2, 'MgZnAl(OH).CO.mHO \u2003\u2003(I)'}{'b': 1', '2', '2', '1', '1', '2, '(wherein, x and x each represent a number satisfying the following equations and m represents a real number: 0.1≦x/x<10, 2≦x+x<20).'}3. The vinyl chloride-based resin composition for transparent products according to claim 1 , wherein said (c) ultraviolet absorber is a substituted oxanilide.4. The vinyl chloride-based resin composition for transparent products according to any one of to claim 1 , which further comprises 0.001 to 5 parts by mass of (d) a polyol with respect to 100 parts by mass of said vinyl chloride-based resin.5. The vinyl chloride-based resin composition for transparent products according to claim 4 , wherein said (d) polyol is at least one selected from the group consisting of maltitol claim 4 , mannitol and lactitol. The present invention relates to a vinyl chloride-based resin composition. More particularly, the present invention relates to a vinyl chloride-based resin composition for transparent products which has sufficient transparency as well as improved performances such as initial coloration property and weathering resistance.Chlorine-containing resins ...

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Номер записи: 37
30-05-2013 дата публикации

Antistatic antireflection film, method for manufacturing antistatic antireflection film, polarizing plate and image display device

Номер: US20130135726A1
Автор: Daiki Wakizaka, Kenichi Fukuda
Принадлежит: Fujifilm Corp

An antistatic antireflection film, including; a support; a hardcoat layer formed from a composition for a hardcoat layer containing at least a compound having a quaternary ammonium salt group; and a low refractive index layer formed from a composition for a low refractive index layer containing at least the following (a), (b), (c) and (d), in this order, wherein, (a) is an ethylenically unsaturated group-containing fluoropolymer, (b) is a fluorine-containing polyfunctional monomer having a surface free energy of 23 mN/m or more when a film is formed alone, four or less —CF 3 groups in a molecule, a fluorine content of 30% or more, and at least three reactive functional groups in one molecule, (c) is hollow silica fine particles having an average particle size of 10 nm to 100 nm, and (d) is a compound having a dimethylsiloxane structure.

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Номер записи: 38
30-05-2013 дата публикации

PMMA/PVDF FILM WITH PARTICULARLY HIGH WEATHERING STABILITY AND HIGH UV PROTECTIVE ACTION

Номер: US20130136910A1
Автор: Arndt Thomas, Dickhaut-Bayer Guenther, Goldacker Thorsten, Laschitsch Alexander, Neuhaeuser Achim, Numrich Uwe
Принадлежит:

A transparent plastic foil with improved weathering resistance and increased intrinsic stability is provided. The foil contains a) poly(meth)acrylate and polyvinylidene fluoride in a ratio of from 1:0.01 to 1:0.5 (w/w); and b) a mixture containing a UV stabilizer and a UV absorber. Use of the foil as a protective coating is also included. 1. A transparent plastic foil with improved weathering resistance and increased intrinsic stability , comprisinga) poly(meth)acrylate and polyvinylidene fluoride in a ratio of from 1:0.01 to 1:0.5 (w/w); andb) a mixture composed of UV stabilizers and of UV absorbers.2. The foil according to claim 1 , whereinthe foil is a single-layer foil.3. The foil according to claim 1 , whereinthe foil is a multilayer foil.4. The foil according to claim 3 , whereinthe foil comprises at least two sublayers, of which at least one comprises poly(meth)acrylate and at least one other comprises polyvinylidene fluoride.5. The foil according to claim 4 , whereinthe foil comprises two sublayers, of which one is a poly(methyl) methacrylate layer and the other is a polyvinylidene fluoride layer.6. The foil according to claim 3 , wherein the foil has been coextruded.7. The foil according to claim 1 , wherein a transparency of the foil is greater than 91.5%.8. The foil according to claim 1 , whereina weight-average molar mass MM of the poly(meth)acrylate a) is at least 80,000 g/mol, determined by of gel permeation chromatography against PMMA calibration standards.9. The foil according to claim 8 , whereinthe weight-average molar mass MM of the poly(meth)acrylate a) is at least 120,000 g/mol, determined by gel permeation chromatography against PMMA calibration standards.10. The foil according to claim 9 , whereinthe weight-average molar mass MM of the poly(meth)acrylate a) is at least 150,000 g/mol, determined by gel permeation chromatography against PMMA calibration standards.11. The foil according to claim 1 , whereina weight-average molar mass MM of the ...

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Номер записи: 39
13-06-2013 дата публикации

FLUOROELASTOMER COMPOSITION AND MOLDED ARTICLE

Номер: US20130150503A1
Автор: Tanaka Hiroyuki
Принадлежит: DAIKIN INDUSTRIES, LTD.

The present invention is to provide a fluoroelastomer composition which can suppress generation of unvulcanized portions even when a quaternary phosphonium salt is used as a vulcanization accelerator. Specifically, the present invention is a fluoroelastomer composition containing a polyol-crosslinkable fluoroelastomer, a polyhydroxy aromatic compound, a quaternary phosphonium salt, a divalent metal oxide and/or divalent metal hydroxide and an antioxidant. 1. A fluoroelastomer composition comprising:a polyol-crosslinkable fluoroelastomer,a polyhydroxy aromatic compound,a quaternary phosphonium salt,a divalent metal oxide and/or divalent metal hydroxide and an antioxidant.2. The fluoroelastomer composition according to claim 1 ,wherein the antioxidant is at least one selected from the group consisting of amine-based antioxidants, phenolic antioxidants, phosphite antioxidants and benzimidazole-based antioxidants.3. The fluoroelastomer composition according to claim 1 ,wherein the polyhydroxy aromatic compound is 2,2-bis(4-hydroxyphenyl)perfluoropropane.4. The fluoroelastomer composition according to claim 1 ,wherein the quaternary phosphonium salt is at least one selected from the group consisting of benzyltriphenylphosphonium chloride and 2,2-bis(4-hydroxyphenyl)perfluoropropane salt of benzyltriphenylphosphonium.5. The fluoroelastomer composition according to claim 1 ,wherein the antioxidant is contained at less than 0.5 parts by mass relative to 100 parts by mass of the fluoroelastomer.6. A molded article obtained with the fluoroelastomer composition according to .7. The molded article according to claim 6 , which is a sealing material. The present invention relates to a fluoroelastomer composition and a molded article.Patent Literature 1 discloses a fluoroelastomer vulcanizing composition characterized in that it comprises (a) a peroxide vulcanizable fluoroelastomer, (b) an organic peroxide, (c) a multi-functional co-crosslinking agent and (d) a phenolic ...

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Номер записи: 40
13-06-2013 дата публикации

METHOD OF PRODUCING FLUOROPOLYMERS USING ACID-FUNCTIONALIZED MONOMERS

Номер: US20130150519A1
Автор: Durali Mehdi, Hedhli Lotfi
Принадлежит: Arkema Inc.

A fluoropolymer latex is obtained by emulsion polymerization of one or more fluoromonomers in the presence of one or more acid-functionalized monomers such as vinyl sulfonic acid or a salt thereof. A fluorosurfactant need not be present. 1. A process for preparing a fluoropolyrner in an aqueous reaction medium , comprising:a) forming an aqueous emulsion comprising at least one radical initiator, at least one acid-functionalized monomer or salt thereof, and at least one fluoromonomer, andb) initiating polymerization of said at least one fluoromonomer.2. The process of claim 1 , wherein the process uses no surfactant.3. The process of claim 1 , wherein the process uses no fluorosurfactant.4. The process of claim 1 , wherein the aqueous emulsion additionally comprises a surfactant other than a fluorosurfactant.5. The process of claim 1 , wherein said acid-functionalized monomer or salt thereof is functionalized with at least one acid group selected from the group consisting of sulfonic acid groups claim 1 , phosphonic acid groups and carboxylic acid groups and salts thereof.6. The process of claim 1 , wherein said acid-functionalized monomer or salt thereof is vinyl sulfonic acid or a salt thereof.7. The process of claim 1 , wherein said acid-functionalized monomer or salt thereof is selected from the group consisting of vinyl sulfonic acid claim 1 , acrylic acid claim 1 , methacrylic acid claim 1 , vinyl phosphonic acid claim 1 , itaconic acid claim 1 , and salts thereof.8. The process of claim 1 , wherein the acid-functionalized monomer or salt thereof has a structure selected from:{'sub': '3', 'R—CH=CH—SOM;'}{'sub': 3', '3, 'MOS—R—CH=CH—SOM;'}{'sub': '2', 'R—CH=CH—COM;'}{'sub': 2', '2, 'CH=C(R)—COM;'}{'sub': 2', '3', '2, 'CH=CH—POM;'}{'sub': 3', '2, 'R—CH=CH—POM; and'}{'sub': 3', '2, 'R—CH=C(R)—POM;'}where R is a hydrogen atom or a hydrocarbon portion, and where N is a monovalent cation selected from the group consisting of hydrogen ion, alkali metal ions, ammonium ...

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Номер записи: 41
27-06-2013 дата публикации

TETRAFLUOROETHYLENE COPOLYMER COMPOSITION FOR INJECTION MOLDING

Номер: US20130161873A1
Автор: NAMURA SHINICHI
Принадлежит: DUPONT-MITSUI FLUOROCHEMICALS CO LTD

A tetrafluoroethylene copolymer composition for injection molding having excellent resistance to chemical permeation and durability, comprised of polytetrafluoroethylene and copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether). The composition has a melt flow rate of 12 g/10 min or greater, a flex life of 20,000 cycles or greater, and a nitrogen gas permeability of 0.8×10cm(STP).cm/cm.sec.cm Hg or less. 1. A method for molding a part comprising the steps of:{'sup': −10', '3', '2, 'a) providing a molding composition comprising polytetrafluoroethylene and copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether), the composition having a melt flow rate of 12 g/10 min or greater, a flex life of 20,000 cycles or greater, and a nitrogen gas permeability of 0.8×10cm(STP).cm/cm.sec.cm Hg or less; and'}b) injection molding the composition to form the part.2. The method of wherein the flex life is 40 claim 1 ,000 cycles or greater.3. The method of wherein the flex life is 100 claim 1 ,000 cycles or greater.4. The method of wherein the nitrogen gas permeability is 0.7×10cm(STP).cm/cm.sec.cm Hg or less.5. The method of wherein the perfluoro(alkyl vinyl ether) content in the copolymer is 3 wt % or more.6. The method of wherein the perfluoro(alkyl vinyl ether) content in the copolymer is 5 wt % or more.7. The method of wherein the content of the perfluoro(alkyl vinyl ether) is 20 wt % or less.8. The method of wherein the content of the perfluoro(alkyl vinyl ether) is 15 wt % or less.9. The method of wherein the content of the perfluoro(alkyl vinyl ether) is 10 wt % or less.10. The method of wherein the melt flow rate of the copolymer is 2 g/10 min or greater.11. The method of wherein the melt flow rate of the copolymer is 4 g/10 min or greater.12. The method of wherein the melt flow rate of the copolymer is 70 g/10 min or less.13. The method of wherein the melt flow rate of the copolymer is 40 g/10 min or less.14. The method of wherein the melt flow rate of ...

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Номер записи: 42
27-06-2013 дата публикации

RESIN BLEND

Номер: US20130164535A1
Автор: CHOI Eun Joo, Hong Young Jun, KIM Hak Shin, RYU Jin Young, YOO Houng Sik
Принадлежит: LG CHEM, LTD.

Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same, and a resin article. The resin blend may include a first resin, and a second resin including a resin to which a fluorine or fluorine-substituted organic functional group is introduced and having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m. The resin blend can improve mechanical and surface characteristics of a resin article. Also, the resin blend can realize excellent contamination resistance of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased. 1. A resin blend for forming a layer-separate structure , comprising:a first resin; anda second resin comprising a resin to which a fluorine or fluorine-substituted organic functional group and having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m.2. The resin blend according to claim 1 , wherein a difference in melt viscosity between the first resin and the second resin is 0.1 to 3000 pa*s at a shear rate of 100 to 1000sand a processing temperature of the resin blend.3. The resin blend according to claim 1 , wherein a difference in solubility parameter between the first resin and the second resin at 25° C. is 0.001 to 10.0 (J/cm).4. The resin blend according to claim 1 , wherein the second resin has a molecular weight distribution of 1 to 2.5.5. The resin blend according to claim 1 , wherein the second resin has a weight average molecular weight of 30 claim 1 ,000 to 200 claim 1 ,000.6. The resin blend according to claim 1 , wherein the fluorine-substituted organic functional group comprises at least one selected from the group consisting of a fluorine-substituted alkyl group having 1 to 30 carbon atoms and a fluorine-substituted hydroxyalkyl group having 1 to 30 carbon atoms.7. The resin blend ...

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Номер записи: 43
04-07-2013 дата публикации

ANTI-WEAR MATERIAL OF MODIFIED POLYTETRAFLUOROETHYLENE

Номер: US20130172487A1
Автор: Xiao Ping, Zhang Jianxin, Zhou Yunfeng
Принадлежит:

An anti-wear material of modified polytetrafluoroethylene resin is provided, which is prepared by mixing sufficiently a polyphenyl p-hydroxybenzoate polymer used as modifier with polytetrafluoroethylene resin in a certain weight ratio, and then carrying out cold-press sintering or hot-press sintering. The anti-wear material made from the modified polytetrafluoroethylene resin has very low average wear coefficient. 1. An anti-wear material of modified polytetrafluoroethylene resin , characterized in that it is prepared by mixing sufficiently a polyphenyl p-hydroxybenzoate polymer with polytetrafluoroethylene resin , and then carrying out cold-press sintering or hot-press sintering.2. The anti-wear material according to claim 1 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 15-50% by weight claim 1 , and the content of the polytetrafluoroethylene resin is 50-85% by weight.3. The anti-wear material according to claim 2 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 20-45% by weight claim 2 , and the content of the polytetrafluoroethylene resin is 55-80% by weight.4. The anti-wear material according to claim 3 , wherein the content of the polyphenyl p-hydroxybenzoate polymer is 25% by weight claim 3 , and the content of the polytetrafluoroethylene resin is 75% by weight. The invention relates to an anti-wear material, in particular, an anti-wear material of modified polytetrafluoroethylene resin.Currently, the anti-wear materials used in China mainly include phenolic resin, fiber glass, molybdenum disulfide and carbon fiber etc. However, the major deficiency of these materials is the severe grinding abrasion.Additionally, polytetrafluoroethylene is often modified in conventional methods by adding inorganic fillers such as fiber glass, graphite and molybdenum disulfide into it; however, due to high abrasion and short life span, these materials are apt to bring abrasion to the grinding mating-parts.The object of the invention is ...

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Номер записи: 44
18-07-2013 дата публикации

DRIPPING INHIBITOR AND RESIN COMPOUND

Номер: US20130184395A1
Автор: Kasai Shunji, Kato Taketo, KAWAHARA Kazuya, MIYAMOTO Masayoshi, Sawada Yasuhiko, TSUJI Masayuki, Yamanaka Taku, Yamauchi Mayumi
Принадлежит: DAIKIN INDUSTRIES, LTD.

Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 μm, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230. 1. A dripping inhibitor comprising:a modified polytetrafluoroethylene,the inhibitor having an average particle size of 300 to 800 μm,an apparent density of 0.40 to 0.52 g/ml,a compression ratio of 1.20 or less,an aggregate disintegration degree with 50-sec vibration of 70% or more,a cylinder extrusion pressure at a reduction ratio of 1500 of 80 MPa or less, anda standard specific gravity (SSG) of 2.140 to 2.230.2. A resin compound comprising a dripping inhibitor according to and a thermoplastic resin.3. The resin compound according to claim 2 ,wherein the thermoplastic resin is at least one resin selected from the group consisting of polycarbonates, acrylonitrile-styrene resins, acrylonitrile-butadiene-styrene resins, (polycarbonate)/(acrylonitrile-butadiene-styrene) alloy resins, polybutylene terephthalate, polyethylene terephthalate, polyphenylene ether, polypropylene, and polystyrene.4. The resin compound according towherein the thermoplastic resin is a polycarbonate.5. The resin compound according to claim 2 , further comprising a flame retardant. The present invention relates to a dripping inhibitor and a resin compound.Conventional molded products of thermoplastic resin for applications such as electric appliances and OA equipment used at home, in offices, in plants, and the like mostly contain flammable thermoplastic resin. Therefore, molding materials of these products are generally required to contain a flame retardant for improving flame retardance ...

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Номер записи: 45
25-07-2013 дата публикации

TEXTURED RELEASE LINER CONTAINING AN ORGANIC PARTICULATE PHASE

Номер: US20130189387A1
Автор: Bravet David J.
Принадлежит:

A release liner can include one or more release layers. The release layer can include a thermoplastic polymer matrix. Moreover, the release layer can include an organic particulate phase. The organic particulate phase can be dispersed in the thermoplastic polymer matrix. In one embodiment, the organic particulate can include micronized PTFE particles. The PTFE particles can be present in the release liner such that the surface roughness Sof the release liner ranges from 0.1 microns to 1 micron. 1. A release liner comprising:at least one release layer, the release layer comprising a thermoplastic polymer matrix and an organic particulate phase in the thermoplastic polymer matrix.2. A mold assembly comprisinga cavity for receiving a workpiece; anda release liner disposed in the cavity, the release liner comprising at least one release layer, the release layer comprising a thermoplastic polymer matrix and an organic particulate phase in the thermoplastic polymer matrix.3. The release liner according to claim 1 , wherein the thermoplastic polymer matrix comprises a fluoropolymer.4. The release liner according to claim 3 , wherein the fluoropolymer is selected from the group consisting of poly(ethylene-tetrafluoroethylene) (ETFE) claim 3 , tetrafluoroethylene-perfluoropropylene (FEP) claim 3 , perfluoroalkoxy (PFA) claim 3 , polyethylenechlorotrifluoroethylene (ECTFE) claim 3 , polyvinylidene fluoride (PVDF) claim 3 , and any combination thereof.5. (canceled)6. (canceled)7. The release liner according to claim 3 , wherein the fluoropolymer comprises poly(ethylene-tetrafluoroethylene) (ETFE).8. (canceled)9. The release liner according to claim 1 , wherein the thermoplastic polymer matrix has a melting point of at least about 195° C.10. The release liner according to claim 9 , wherein the melting point is not greater than about 330° C.11. The release liner according to claim 1 , wherein the organic particulate phase comprises a non-melt-processible polymer.12. The release ...

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Номер записи: 46
08-08-2013 дата публикации

Rapid Gas Decompression-Resistant Fluoroelastomer Compositions and Molded Articles

Номер: US20130202838A1
Автор: Campbell Ronald R.
Принадлежит: Greene, Tweed of Delaware, Inc.

The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter. 1. A curable rapid gas decompression-resistant fluoroelastomeric composition , comprisinga curable fluoropolymer comprising a curesite monomer having at least one functional group capable of curing with a peroxide curative;a bisphenyl-based curative; andan organic peroxide curative and an organic peroxide co-curative, wherein the fluoroelastomeric composition has a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5 to about 1.5.2. The curable rapid gas decompression-resistant fluoroelastomeric composition according to claim 1 , wherein the curable fluoropolymer comprises vinylidene fluoride as a monomer.3. The curable rapid gas decompression-resistant fluoroelastomeric composition according to claim 2 , wherein the curable fluoropolymer comprises hexafluoropropylene as a monomer.4. The curable rapid gas decompression-resistant fluoroelastomeric composition according to claim 1 , wherein the bisphenyl-based curative comprises bisaminophenol.5. The curable rapid gas decompression-resistant fluoroelastomeric composition according to claim 1 , wherein the organic peroxide ...

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Номер записи: 47
08-08-2013 дата публикации

FILM AND METHOD OF MANUFACTURING THE SAME, LAMINATED FILM OR SHEET, AND LAMINATED BODY

Номер: US20130202847A1
Автор: Abe Yoshinori, Konokawa Yuhei
Принадлежит: MITSUBISHI RAYON CO., LTD.

Provided is a film having high crystallinity, transparency, and surface smoothness, a lamination of the film, a sheet of the film, and a laminated body. A film contains vinylidene fluoride-based resin (A) and acrylic-based resin (B). The film has at least one surface with arithmetic mean roughness of 0.1 to 20 nm. The at least one surface has crystal fusion heat of 18 to 40 J/g and a haze value of 3.5 or less, the crystal fusion heat being measured using a differential scanning calorimeter. 1. A film containing vinylidene fluoride-based resin (A) and acrylic-based resin (B) , wherein the film has at least one surface with arithmetic mean roughness of 0.1 to 20 nm ,the film having crystal fusion heat of 18 to 40 J/g and a haze value of 3.5 or less, and the crystal fusion heat being measured using a differential scanning calorimeter.2. A method of manufacturing a film containing vinylidene fluoride-based resin (A) and acrylic-based resin (B) , wherein the film has at least one surface with arithmetic mean roughness of 0.1 to 20 nm , the film having crystal fusion heat of 18 to 40 J/g and a haze value of 3.5 or less , and the crystal fusion heat being measured using a differential scanning calorimeter , comprising:melt-extruding a resin composition containing 75 to 95% by mass of the vinylidene fluoride-based resin (A) and 5 to 25% by mass of the acrylic-based resin (B),wherein the vinylidene fluoride-based resin (A) has a melt mass-flow rate equal to or more than 10 [g/10 minutes], andthe melt mass-flow rate is measured in compliance with JISK7210 under conditions of 230° C. and a load of 3.8 kg.3. A method of manufacturing a film , comprisingmelt-extruding a resin composition containing 75 to 95% by mass of vinylidene fluoride-based resin (A) and 5 to 25% by mass of acrylic-based resin (B), andsubsequently bringing the obtained melt extrudate into contact with at least one chill roll having the surface temperature of 35 to 75° C.,wherein the vinylidene fluoride-based ...

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Номер записи: 48
08-08-2013 дата публикации

THERMOPLASTIC COMPOSITIONS AND ARTICLES FORMED FROM THE SAME

Номер: US20130203939A1
Автор: Peng Shuwen, Rego Jose M.
Принадлежит:

The invention provides a composition comprising the following: 1. A composition comprising the following:A) a chlorinated ethylene-based polymer; andB) an ethylene-based polymer; andwherein the total chlorine content of the composition is greater than, or equal to, 13 weight percent, based on the total weight of polymers in the composition.2. The composition of claim 1 , wherein the chlorine content of the composition is from 13 to 40 weight percent claim 1 , based on the total weight of polymers in the composition.3. The composition of claim 1 , wherein Component A is present in an amount greater than claim 1 , or equal to claim 1 , 30 weight percent claim 1 , based on the weight of Components A and B.4. The composition of claim 1 , wherein the ethylene-based polymer of Component B has a melting point (Tm) greater than 60° C. claim 1 , preferably greater than 70° C.5. The composition of claim 1 , wherein the composition does not contain a plasticizer.6. The composition of claim 1 , wherein Components A and B are present in an amount greater than 60 weight percent claim 1 , preferably greater than 65 weight percent claim 1 , based on the weight of the composition.7. The composition of claim 1 , wherein the ethylene-based polymer of Component B has a melt index (I) from 0.1 to 10.8. The composition of claim 1 , wherein the ethylene-based polymer of Component B has a density from 0.855 g/cc to 0.910 g/cc.9. The composition of claim 1 , wherein the ethylene-based polymer of Component B is an ethylene/α-olefin interpolymer.10. The composition of claim 9 , wherein the ethylene/α-olefin interpolymer is a homogeneously branched substantially linear ethylene/α-olefin interpolymer.11. The composition of claim 10 , wherein the ethylene/α-olefin interpolymer has a PRR value greater than claim 10 , or equal to claim 10 , 8 claim 10 , preferably greater than claim 10 , or equal to claim 10 , 12 claim 10 , more preferably greater than claim 10 , or equal to claim 10 , 15.12. The ...

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Номер записи: 49
15-08-2013 дата публикации

Polycarbonate resin composition and formed product thereof

Номер: US20130210980A1
Автор: Toshiki Monden
Принадлежит: Mitsubishi Engineering Plastics Corp

In a polycarbonate resin composition containing a polycarbonate resin and a polycarbosilane compound, the use of the polycarbosilane compound modifies the surface properties of the polycarbonate resin composition without adversely affecting the intrinsic characteristics of the polycarbonate resin, such as transparency, heat resistance, and mechanical properties, e.g., impact resistance. A polycarbonate resin composition containing 100 parts by mass of a polycarbonate resin, 0.001 to 1 part by mass of a metal salt compound, and 0.005 to 5 parts by mass of a polycarbosilane compound has significantly improved flame resistance and high transparency and causes markedly reduced outgassing and mold fouling, without losing impact resistance and heat resistance.

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Номер записи: 50
15-08-2013 дата публикации

FLUORINE-CONTAINING ELASTOMER BLEND

Номер: US20130211007A1
Автор: Hayashi Hideki, IKEDA AKIHIKO, Maeda Mitsuru
Принадлежит: UNIMATEC CO., LTD.

Provided is a fluorine-containing elastomer blend comprising 5 to 60 wt. % of a high-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 3,000,000 or more, 20 to 80 wt. % of a medium-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 100,000 to 1,000,000, and 10 to 50 wt. % of a low-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 7,000 to 13,000; the number average molecular weight Mn of each fluorine-containing elastomer being measured by liquid chromatography using tetrahydrofuran as a developing solvent at a polymer concentration of 0.5 wt. % at a measurement temperature of 35° C. The fluorine-containing elastomer blend can achieve low hardness and low modulus while improving roll processability. 1. A polyol-vulcanizable , fluorine-containing elastomer blend comprising:5 to 60 wt. % of a high-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 3,000,000 or more;20 to 80 wt. % of a medium-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 100,000 to 1,000,000; and10 to 50 wt. % of a low-molecular-weight, fluorine-containing elastomer having a number average molecular weight of 7,000 to 13,000;the number average molecular weight Mn of each fluorine-containing elastomer being measured by liquid chromatography using tetrahydrofuran as a developing solvent at a polymer concentration of 0.5 wt. % at a measurement temperature of 35° C.2. The polyol-vulcanizable claim 1 , fluorine-containing elastomer blend according to claim 1 , wherein the amount of the high-molecular-weight claim 1 , fluorine-containing elastomer is 10 to 50 wt. % claim 1 , the amount of the medium-molecular-weight claim 1 , fluorine-containing elastomer is 30 to 70 wt. % claim 1 , and the amount of the low-molecular-weight claim 1 , fluorine-containing elastomer is 20 to 40 wt. %.3. The polyol- ...

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Номер записи: 51
05-09-2013 дата публикации

Matte textured powder monocoat coating compositions

Номер: US20130230696A1
Автор: Susan Margaret Miller, Susan Marie Sobek
Принадлежит: AKZO NOBEL COATINGS INTERNATIONAL BV

The present invention includes matte textured powder monocoat coating compositions that can be used to coat substrates, such as automobile bodies, and methods of coating such substrates. A powder coating composition may comprise a polyester resin, a UV light stabilizer, a matting agent, and a texturing additive, wherein the cured powder coating composition transmits less than about 0.1% of UV light at 290 nm and less than about 0.5% of UV light at 400 nm.

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Номер записи: 52
12-09-2013 дата публикации

POLYLACTIC ACID-BASED FILM OR SHEET

Номер: US20130236723A1
Автор: Endo Asuka, Hayashiuchi Rie, Ishiguro Shigeki, Sekiguchi Yuka, Senda Hiroki, Takahira Hitoshi, Yoshie Satomi
Принадлежит: NITTO DENKO CORPORATION

Disclosed is a polylactic acid-based film or sheet as a resin film or sheet including a polylactic acid (A). The film or sheet has a melt endotherm ΔHc′ of J/g or more, where ΔHc′ is of a region crystallized upon film formation and specified by following Expression (): 1. A polylactic acid-based film or sheet as a resin film or sheet comprising a polylactic acid (A) , wherein the polylactic acid-based film or sheet has a melt endotherm ΔHc′ of 10 J/g or more , where the melt endotherm ΔHc′ is of a region crystallized upon film formation and specified by Expression (1) expressed as follows:{'br': None, 'i': 'Hc′=ΔHm−ΔHc', 'Δ\u2003\u2003(1)'}wherein ΔHc represents an exotherm (J/g) associated with crystallization of the film or sheet in a temperature rise process after film formation; and ΔHm represents an endotherm (J/g) associated with subsequent melting of the film or sheet, where ΔHc and ΔHm are determined by DSC; andthe polylactic acid-based film or sheet has a tear strength of 2.5 N/mm or more both in a machine direction (MD) and in a transverse direction (TD), the tear strength determined according to “Paper-Determination of tearing resistance-Elmendorf tearing tester method” specified in JIS P 8116.2. The polylactic acid-based film or sheet of claim 1 , further comprising a fluoropolymer (B) in an amount of 0.5 to 15 parts by weight per 100 parts by weight of the polylactic acid (A).3. The polylactic acid-based film or sheet of claim 2 , wherein the fluoropolymer (B) is a tetrafluoroethylene polymer.4. The polylactic acid-based film or sheet of claim 1 , further comprising a crystallization promoter (C) in an amount of 0.1 to 15 parts by weight per 100 parts by weight of the polylactic acid (A).5. The polylactic acid-based film or sheet of claim 1 , further comprising an acidic-functional-group-modified olefinic polymer (D) in an amount of 0.1 to 10 parts by weight per 100 parts by weight of the polylactic acid (A) claim 1 , the acidic-functional-group- ...

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Номер записи: 53
26-09-2013 дата публикации

Polycarbonate resin composition and formed product thereof

Номер: US20130253109A1
Автор: Toshiki Monden
Принадлежит: Mitsubishi Engineering Plastics Corp

In a polycarbonate resin composition containing a polycarbonate resin and a polycarbosilane compound, the use of the polycarbosilane compound modifies the surface properties of the polycarbonate resin composition without adversely affecting the intrinsic characteristics of the polycarbonate resin, such as transparency, heat resistance, and mechanical properties, e.g., impact resistance. A polycarbonate resin composition containing 100 parts by mass of a polycarbonate resin, 0.001 to 1 part by mass of a metal salt compound, and 0.005 to 5 parts by mass of a polycarbosilane compound has significantly improved flame resistance and high transparency and causes markedly reduced outgassing and mold fouling, without losing impact resistance and heat resistance.

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Номер записи: 54
26-09-2013 дата публикации

HALOGEN-CONTAINING RESIN COMPOSITION, PRODUCTION PROCESS THEREFOR AND MOLDED ARTICLE THEREFROM

Номер: US20130253116A1
Автор: KUMAKI Yousuke, Kusudou Takeshi, Maki Hideki, Nakamae Masato, Tsuboi Akira
Принадлежит: KURARAY CO., LTD.

The present invention provides a halogen-containing resin composition comprising 100 parts by weight of a halogen-containing resin; 0.01 to 2.5 parts by weight of a polyvinyl alcohol having a saponification degree of from 60 to 99.9 mol % and a viscosity-average polymerization degree of from 100 to 1,000; 0.01 to 2.5 parts by weight of a polyol having a molecular weight of 2,000 or less and a hydroxyl content of 10% by weight or more; and 0.01 to 5 parts by weight of a zinc compound. 1. A halogen-comprising resin composition , comprising:100 parts by weight of a halogen-comprising resin;0.01 to 2.5 parts by weight of a polyvinyl alcohol having a saponification degree of from 60 to 99.9 mol % and a viscosity-average polymerization degree of from 100 to 1,000;0.01 to 2.5 parts by weight of a polyol having a molecular weight of 2,000 or less and a hydroxyl content of 10% by weight or more; and0.01 to 5 parts by weight of a zinc compound.2. The halogen-comprising resin composition of claim 1 , wherein a weight ratio of the polyvinyl alcohol to the polyol claim 1 , (weight of the polyvinyl alcohol)/(weight of the polyol) claim 1 , is from 30/70 to 90/10.3. The halogen-comprising resin composition of claim 1 , wherein the viscosity-average polymerization degree of the polyvinyl alcohol is from 100 to 450.4. The halogen-comprising resin composition of claim 1 , wherein the polyvinyl alcohol claim 1 , the polyol claim 1 , and the zinc compound are contained therein by adding them to the halogen-comprising resin.5. A process for producing a halogen-comprising resin composition claim 1 , the process comprising:adding i) 0.01 to 2.5 parts by weight of a polyvinyl alcohol having a saponification degree of from 60 to 99.9 mol % and a viscosity-average polymerization degree of from 100 to 1,000, ii) 0.01 to 2.5 parts by weight of a polyol having a molecular weight of 2,000 or less and a hydroxyl content of 10% by weight or more, and iii) 0.01 to 5 parts by weight of a zinc ...

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Номер записи: 55
10-10-2013 дата публикации

Vinylidene fluoride copolymers

Номер: US20130264522A1
Автор: Alessio Marrani, Bradley Lane Kent, Giulio Brinati, Milena Stanga
Принадлежит: Solvay Specialty Polymers Italy SpA

The present invention pertains to a fluoropolymer [polymer (F)] comprising: recurring units derived from vinylidene fluoride (VDF), and from 0.01% to 5% by moles of recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I) here below: wherein: R 1 , R 2 and R 3 , equal to or different from each other, are independently selected from a hydrogen atom and a C 1 -C 3 hydrocarbon group, and R OH represents a hydrogen atom or a C 1 -C 5 hydrocarbon moiety comprising at least one hydroxyl group, said polymer (F) comprising end groups having formula —CF 2 H and/or —CF 2 CH 3 in an amount of at least 30 mmoles per Kg of vinylidene fluoride (VDF) recurring units. The invention also pertains to a process for the manufacture of said polymer (F) and to use of said polymer (F) as binders for the manufacture of electrodes or for the manufacture of membranes.

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Номер записи: 56
10-10-2013 дата публикации

Method of manufacturing pvdf-based polymer and method of manufacturing multilayered polymer actuator using the same

Номер: US20130264912A1
Автор: Jong-oh Kwon, Seung-tae Choi
Принадлежит: SAMSUNG ELECTRONICS CO LTD, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION

A method of manufacturing a polyvinylidene fluoride (PVDF)-based polymer film includes: applying a solution formed by dissolving a PVDF-based polymer in a solvent, on a first substrate; forming a PVDF-based polymer film by evaporating the solvent; bonding a support film on the PVDF-based polymer film; weakening an adhesive force between the PVDF-based polymer film and the first substrate; and separating the first substrate from the PVDF-based polymer film.

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Номер записи: 57
10-10-2013 дата публикации

POLYTETRAFLUOROETHYLENE MIXTURE

Номер: US20130267621A1
Автор: Chaen Shinichi, Inui Kunihiko, Kasai Shunji, Sawada Yasuhiko, Shibuya Yoshiyuki, Yamanaka Taku
Принадлежит: DAIKIN INDUSTRIES, LTD.

Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a PTFE porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a fibrillable modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the polytetrafluoroethylene homopolymer having strength at break of 25 N or higher. 1. A polytetrafluoroethylene mixture comprising:a fibrillable modified polytetrafluoroethylene; anda polytetrafluoroethylene homopolymer,the polytetrafluoroethylene homopolymer having strength at break of 25 N or higher.2. The polytetrafluoroethylene mixture according to claim 1 ,wherein the mass ratio of the modified polytetrafluoroethylene to the polytetrafluoroethylene homopolymer, that is, modified polytetrafluoroethylene/polytetrafluoroethylene homopolymer, is 5 to 99/95 to 1.3. The polytetrafluoroethylene mixture according to claim 1 ,wherein the modified polytetrafluoroethylene includes a modified monomer unit in an amount of 0.005 to 0.500 wt % of the weight of all monomer units.4. The polytetrafluoroethylene mixture according to claim 1 ,wherein the modified polytetrafluoroethylene has a cylinder extrusion pressure, at a reduction ratio of 1600, of 70 MPa or higher.5. The polytetrafluoroethylene mixture according towherein the modified polytetrafluoroethylene and the polytetrafluoroethylene homopolymer are obtainable by emulsion polymerization.6. The polytetrafluoroethylene mixture according to claim 1 , comprising:mixed powder obtainable by coagulation of an aqueous dispersion containing the modified polytetrafluoroethylene and the polytetrafluoroethylene homopolymer.7. A polytetrafluoroethylene porous membrane obtainable by stretching the polytetrafluoroethylene mixture according to . The present invention relates to a polytetrafluoroethylene mixture suitably used as a stretchable material for a polytetrafluoroethylene ...

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Номер записи: 58
17-10-2013 дата публикации

Composition of matter

Номер: US20130273255A1
Автор: Brynn M. Dooley, Carolyn P. MOORLAG, Qi Zhang, Yu Qi
Принадлежит: Xerox Corp

The present teachings disclose a composite. The composite includes a cellulose material dispersed in a fluoropolymer. The cellulose material is present in an amount of from about 1 weight percent to about to about 30 weight percent of the composition. A method of manufacturing a composite article and coating is described.

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Номер записи: 59
17-10-2013 дата публикации

Reinforced fluoropolymer composites comprising surface functionalized nanocrystalline cellulose

Номер: US20130274406A1
Автор: Brynn Mary Dooley, Carolyn Moorlag, Qi Zhang, Yu Qi
Принадлежит: Xerox Corp

A reinforced fluoropolymer composite is presented, which includes a fluoropolymer and a fluoro-functionalized nanocrystalline cellulose in which the outer circumference of the nanocrystalline cellulose has been functionalized with fluorinated substrates. The fluoro-functionalized nanocrystalline cellulose may be used to produce stable dispersions with fluoropolymers exhibiting enhanced adhesion between the nanocrystalline particles and fluoropolymer in a composite material, and decreased surface free energy of the cellulose surface.

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Номер записи: 60
24-10-2013 дата публикации

Polytetrafluoroethylene mixture

Номер: US20130281558A1
Автор: Kunihiko Inui, Makoto Ono, Shinichi Chaen, Shunji Kasai, Taku Yamanaka, Yasuhiko Sawada, Yoshiyuki Shibuya
Принадлежит: Daikin Industries Ltd

Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa or higher.

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Номер записи: 61
24-10-2013 дата публикации

DISPERSION SPUN FLUOROPOLYMER FIBER PREPARED FROM NON-MELT-PROCESSIBLE POLYTETRAFLUOROETHYLENE AND PERFLUOROALKOXY

Номер: US20130281579A1
Автор: Moon Chester Darryl, Nelson Arthur Russell
Принадлежит:

A dispersion spun fluoropolymer fiber prepared from non-melt-processible polytetrafluoroethylene particles and perfluoroalkoxy particles. 1. A method of making a fluoropolymer fiber exhibiting two melting points comprising ,forming a mixture of an aqueous dispersion of non-melt-processible polytetrafluoroethylene particles and perfluoroalkoxy particles with an aqueous solution of a matrix polymer,extruding the mixture into a coagulation bath and forming an intermediate fiber structure by coagulating the matrix polymer in the coagulation bath, andsintering the intermediate fiber structure to decompose the matrix polymer and coalesce the polytetrafluoroethylene particles and the perfluoroalkoxy particles into a blended fiber.2. The method according to wherein the ratio of polytetrafluoroethylene particles to perfluoroalkoxy particles in the mixture is about 3 to 1.3. The method according to wherein the two melting points include a first melting point attributable to the polytetrafluoroethylene particles and a second melting point attributable to the perfluoroalkoxy particles.4. A fluoropolymer fiber comprising a blend of non-melt-processible polytetrafluoroethylene particles and perfluoroalkoxy particles.5. The fluoropolymer fiber according to including up to about 25% perfluoroalkoxy particles and up to about 75% polytetrafluoroethylene particles.6. The fluoropolymer fiber according to having a maximum continuous use temperature of about 260° C.7. The fluoropolymer fiber according to having a tenacity of at least about 1.1 gpd.8. The fluoropolymer fiber according to having an elongation to break of about 60%.9. The fluoropolymer fiber according to having two different melting points.10. The fluoropolymer fiber according to wherein the two different melting points include a first melting point of about 301° C. and a second melting point of about 325° C.11. The fluoropolymer fiber according to having two different crystallization points.12. The fluoropolymer fiber ...

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Номер записи: 62
31-10-2013 дата публикации

Method of Coagulating An Amorphous Fluoropolymer Latex

Номер: US20130289188A1
Автор: Adair Eric W., Grootaert Werner M., Jing Naiyong, Kolb Brant U., Shefelbine Terri A.
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

Described herein is a method of coagulating a fluoropolymer latex comprising: providing an amorphous fluoropolymer latex; providing unmodified inorganic nanoparticles; contacting the amorphous fluoropolymer latex with a sufficient amount of unmodified inorganic nanoparticles to coagulate the amorphous fluoropolymer. 1. A method of coagulating a fluoropolymer latex comprising:providing an amorphous fluoropolymer latex;providing unmodified inorganic nanoparticles;contacting the amorphous fluoropolymer latex with a sufficient amount of unmodified inorganic nanoparticles to coagulate the amorphous fluoropolymer latex.2. The method of claim 1 , wherein the method is substantially free of a traditional coagulating agent.3. The method of any one of claim 1 , wherein the amorphous fluoropolymer latex is perfluorinated.4. The method of claim 1 , wherein a p value is no more than 400 g mV.5. The method of claim 1 , wherein the amorphous fluoropolymer latex and the unmodified inorganic nanoparticles are both acidic.6. The method of claim 1 , wherein(a) the amorphous fluoropolymer latex is a hexafluoropropylene-vinylidene fluoride copolymer and the unmodified inorganic nanoparticles are alumina; (b) the amorphous fluoropolymer latex is a tetrafluoroethylene-perfluoromethyl vinylether copolymer and the unmodified inorganic nanoparticles are zinc oxide, or (c) the amorphous fluoropolymer latex is a tetrafluoroethylene-perfluoromethyl vinylether copolymer and the unmodified inorganic nanoparticles are zirconia.7. The method of claim 1 , wherein at least 3000 ppm of the unmodified inorganic nanoparticles is added.8. A fluoropolymer composite made according to the method described in .9. The fluoropolymer composite of claim 8 , wherein the fluoropolymer composite comprises less than 200 ppm of total metal ions.10. A cured article derived from the fluoropolymer composite of .11. The method of claim 1 , wherein the amorphous fluoropolymer latex is partially fluorinated.12. The method ...

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Номер записи: 63
31-10-2013 дата публикации

Thermoprocessable per(halo)fluoropolymer composition

Номер: US20130289189A1
Автор: Emanuele DI NICOLO, Giambattista Besana, Giuseppe Marchionni, Marco Avataneo, Pasqua Colaianna
Принадлежит: Solvay Specialty Polymers Italy SpA

The invention pertains to a thermoprocessable composition comprising: at least one thermoprocessable per(halo)fluoropolymer [polymer (A)]; at least one inorganic filler [filler (I)]; and at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain R f ), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain R a ) comprising recurring units of formula: —(CR 1 R 2 —CR 3 R 4 )— wherein R 1 , R 2 , R 3 , R 4 , equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C 1 -C 6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.

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Номер записи: 64
31-10-2013 дата публикации

Lubricious medical tubing

Номер: US20130289531A1
Автор: Armando A. GRAUPERA, Marcos PAGAN, Patricia A. Davis-Lemessy
Принадлежит: Cordis Corp

A composition of a polyamide and PTFE produces a lubricious surface on extruded medical tubing. The small size of the PTFE powder when compounded with polyamide disperses uniformly and produces an intrinsically lubricious polymer. Such a composition can be useful in medical, intralumenal tubing.

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Номер записи: 65
07-11-2013 дата публикации

FLUOROELASTOMER GELS

Номер: US20130296464A1
Автор: ALBANO Margherita, Apostolo Marco, ARRIGONI Stefano
Принадлежит:

Fluoroelastomeric gel having the following properties: 136-. (canceled)37. A process to form a fluoroelastomer gel having the following properties: appearance: transparent gelatinous solid; water content between 10 percent and 90 percent by weight; density between 1.1 and 2.1 g/cm; said gel satisfies the following test: the gel subjected to drying in a stove at 90° C. until a constant weight gives a curable fluoroelastomer , said process comprising the following steps , starting from a fluoroelastomer polymerization latex:Ao. optionally, mixing of the fluoroelastomer latex with a semicrystalline (per)fluoropolymer latex, in an amount from 0 percent to 70 percent by weight, referred to the total of dry weight perfluoro-elastomer+semicrystalline (per)fluoropolymer;A. optionally, dilution with water of the polymerization latex of the fluoroelastomer, or of the mixture Ao, until obtaining a fluoroelastomer concentration, expressed in g polymer/kg latex, in the range 50-600;B. optionally, mixing of the polymerization latex Ao, or of the diluted latex A, or of the starting latex, with one or more organic compounds soluble in the latex aqueous phase, capable to lower the latex freezing point without causing the latex coagulation, said one or more organic compounds being such and/or in an amount such that the resulting mixture has the freezing point at a temperature lower than or equal to the glass transition temperature Tg (° C.) of the latex fluoroelastomer;C. preparation of an aqueous solution containing an electrolyte, optionally said solution being added with one or more organic compounds as defined in B, soluble in the latex aqueous phase, i.e. capable to lower the freezing point of the solution C, and such and/or in an amount such that the resulting solution C has a freezing point lower than or equal to the freezing point of the mixture prepared in B;D. cooling of the polymerization latex, or of the mixture Ao, or of the diluted latex A, or of the mixture B, until a ...

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Номер записи: 66
14-11-2013 дата публикации

POLYMER COMPOSITION AND MOLDED PRODUCTS FORMED THEREOF

Номер: US20130303043A1
Автор: AKIBA Eiji, MIZUKAMI Yoshikatsu
Принадлежит:

The present invention provides a polymer composition including a first base polymer (A) containing at least a thermoplastic polymer, a second base polymer (B) containing at least a thermoplastic polymer and not having compatibility with the first base polymer (A), and an additive (C) containing at least a substance not having compatibility with any of the first base polymer (A) and the second base polymer (B), the additive (C) being in the form of liquid or slurry at the lower of a pyrolysis temperature of the first base polymer (A) and a pyrolysis temperature of the second base polymer (B). (A), (B) and (C) are phase-separated from each other, and interfaces each located between two of phases of (A), (B) and (C) contacting each other form three-dimensional continuous parallel interfaces. 1. A polymer composition comprising:a first base polymer (A) containing at least a thermoplastic polymer;a second base polymer (B) containing at least a thermoplastic polymer and not having compatibility with the first base polymer (A); andan additive (C) comprising a thermoplastic polymer or thermoplastic oligomer containing at least a substance not having compatibility with any of the first base polymer (A) and the second base polymer (B), the additive (C) being in the form of liquid or slurry at the lower of a pyrolysis temperature of the first base polymer (A) and a pyrolysis temperature of the second base polymer (B),wherein (A), (B) and (C) are phase-separated from each other, and interfaces each located between two of phases of (A), (B) and (C) contacting each other form three-dimensional continuous parallel interfaces,said three-dimensional continuous parallel interfaces referring to each of the opposite sides of a layer which separates two regions in a gyroid structure, said gyroid structure referring to an interconnected structure in which a continuous layer periodically extends throughout a space, dividing the space into two regions,wherein components (A), (B) and (C) ...

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Номер записи: 67
21-11-2013 дата публикации

Use of di(2-ethylhexyl)terephthalate (deht) in foamable pvc formulations

Номер: US20130310472A1
Автор: Andre Huber, Hinnerk Gordon Becker, Michael Grass
Принадлежит: Evonik Oxeno GmbH and Co KG

The invention relates to a foamable composition containing a polymer selected from the group consisting of polyvinyl chloride, polyvinylidene chloride, polyvinyl butyrate, polyalkyl(meth)acrylate and copolymers thereof, a foam former and/or foam stabilizer and di-2-ethylhexyl terephthalate as plasticizer. The invention further relates to foamed mouldings and to use of the foamable composition for floor coverings, wall coverings or artificial leather.

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Номер записи: 68
28-11-2013 дата публикации

Modifier for polyvinylidene fluoride, binder resin composition for battery, electrode for secondary battery and battery

Номер: US20130316234A1
Автор: Fumino Momose, Mitsufumi Nodono
Принадлежит: Mitsubishi Rayon Co Ltd

A modifier for polyvinylidene fluoride (PVDF), which improves the adhesion of PVDF to a metal, a binder resin composition for battery and a battery using the PVDF modifier are provided. The modifier for polyvinylidene fluoride herein is a modifier in which the peeling strength of a specific cured film to an aluminium foil is 20 g/cm or more, and the specific cured film is obtained from a mixture of 6 parts by mass of the modifier for polyvinylidene fluoride and 14 parts by mass of a polyvinylidene fluoride composition. The modifier preferably contains a macromonomer copolymer (X), obtained by polymerizing both a macromonomer (A) having unsaturated double bonds and a vinyl monomer (B) having polar groups. The macromonomer (A) is preferably a methacrylic acid ester-based macromonomer (A-1). The vinyl monomer (B) is preferably a methacrylate, and a fluoroalkyl methacrylate.

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Номер записи: 69
28-11-2013 дата публикации

Perfluoroelastomer gels

Номер: US20130317162A1
Автор: Marco Apostolo, Margherita Albano, Stefano Arrigoni
Принадлежит: SOLVAY SA

Perfluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm 3 ; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable perfluoroelastomers.

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Номер записи: 70
05-12-2013 дата публикации

Perfluorinated sulfonic acid polymer membrane having porous surface layer and method for preparing the same

Номер: US20130323496A1
Автор: Chang Won YOON, Dirk Henkensmeier, Eun Ae Cho, Hyoung-Juhn Kim, Jong Hyun Jang, Quoc Khanh DANG, Suk Woo Nam, Tae Hoon Lim
Принадлежит: Korea Advanced Institute of Science and Technology KAIST

Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.

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Номер записи: 71
12-12-2013 дата публикации

Method for producing fluorinated copolymer latex, fluorinated copolymer latex, binder for producing electrode, electrode mixture for storage battery device, and electrode for storage battery device

Номер: US20130330621A1
Автор: Hiroki Nagai, Mizuna Narumi, Takehiro Kose
Принадлежит: Asahi Glass Co Ltd

To produce a method for producing a fluorinated copolymer latex with a low content of metal components and with favorable stability of the latex even with a low content of an organic solvent. A method for producing a fluorinated copolymer latex, which comprises emulsion-polymerizing a monomer mixture containing tetrafluoroethylene and propylene in the presence of an aqueous medium, an anionic emulsifying agent and a thermally decomposable radical polymerization initiator at a polymerization temperature within a range of from 50° C. to 100° C., wherein the aqueous medium comprises water alone, or water and a water-soluble organic solvent, and the content of the water-soluble organic solvent is less than 1 part by mass per 100 parts by mass of water; and the amount of use of the anionic emulsifying agent is from 1.5 to 5.0 parts by mass per 100 parts by mass of the fluorinated copolymer to be formed.

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Номер записи: 72
19-12-2013 дата публикации

CONCENTRATED FLUOROPOLYMER DISPERSIONS STABILIZED WITH ANIONIC POLYELECTROLYTE DISPERSING AGENTS

Номер: US20130338298A1
Автор: CAVANAUGH ROBERT JOHN, JONES CLAY WOODWARD
Принадлежит: E.I. Du Pont De Nemours and Company

An aqueous fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of about 10 to about 400 nm. The dispersion has a solids content of at least about 35 to about 70 wt % and comprises about 0.03 wt % to about 10 wt % anionic polyelectrolyte dispersing agent based on the weight of fluoropolymer solids. The dispersion has a Gel Time of at least about 100 seconds. 1. A process for reducing the fluorosurfactant content of and concentrating an aqueous fluorosurfactant-containing fluoropolymer dispersion comprising:stabilizing fluoropolymer dispersion comprising fluoropolymer particles having an average size of about 10 to about 400 nm and a solids content of about 15 to about 55 wt % with anionic polyelectrolyte dispersing agent;contacting said stabilized fluorosurfactant-containing aqueous fluoropolymer dispersion with an anion exchange resin to reduce fluorosurfactant content to a predetermined level;separating said anion exchange resin from said dispersion after the fluorosurfactant content has been reduced to produce a reduced-fluorosurfactant dispersion; andconcentrating said dispersion to at least about 35% by weight using a method which produces dispersion substantially free of nonionic surfactants.2. The process of wherein said concentrating is performed by adding acrylic polymer of acid content of 20% or more by weight to said reduced-fluorosurfactant dispersion in an amount of about 0.01 to about 1 wt % based on aqueous content of said dispersion and subjecting said dispersion to conditions causing said dispersion to separate into a lower phase high in fluoropolymer solids and an upper phase low in fluoropolymer solids and recovering said lower phase as concentrated reduced fluorosurfactant dispersion.3. The process of wherein the pH of said stabilized fluoropolymer dispersion is at least about 6 when said adding of acrylic polymer of acid content of 20% or more is performed.4. The process of wherein the pH of said stabilized ...

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Номер записи: 73
02-01-2014 дата публикации

METHOD FOR MANUFACTURING A MINERAL FIBRE-CONTAINING ELEMENT AND ELEMENT PRODUCTED BY THAT METHOD

Номер: US20140001676A1
Автор: Baets Martinus Adriana, Ghijzen Cor, Jorgensen Kristian Skovgaard
Принадлежит: ROCKWOOL INTERNATIONAL A/S

The invention relates to a method for manufacturing a mineral fibre-containing composite and the novel mineral fibre-containing element produced by that method. 1. A method for manufacturing a mineral fibre-containing element , said method comprising the steps of:providing mineral fibres in an amount of from 70 to less than 90 wt % of the total weight of starting materials in the form of a collected web,providing a binder in an amount of greater than 10 up to 30 wt % of the total weight of starting materials,subjecting the collected web of fibres to a disentanglement process, suspending the fibres in a primary air flow,mixing the binder with the mineral fibres before, during or after the disentanglement process to form a mixture of mineral fibres and binder,{'sup': 3', '3', '3', '3, 'collecting the mixture of mineral fibres and binder and pressing and curing the mixture to provide a consolidated composite with a density of from 120 kg/mto 1000 kg/m, such as 170 kg/mto 1000 kg/m.'}2. A method according to claim 1 , wherein the binder is selected from the phenol formaldehyde binder claim 1 , urea formaldehyde binder claim 1 , phenol urea formaldehyde binder claim 1 , melamine formaldehyde binder claim 1 , condensation resins claim 1 , acrylates and other latex compositions claim 1 , epoxy polymers claim 1 , sodium silicate and hotmelts of polyurethane claim 1 , polyethylene claim 1 , polypropylene and polytetrafluoroethylene polymers.3. A method according to claim 1 , wherein the disentanglement process comprises feeding the web from a duct with a lower relative air flow to a duct with a higher relative air flow.4. A method according to claim 1 , wherein the speed of the higher relative air flow is from 20 m/s to 150 m/s claim 1 , preferably from 30 m/s to 120 m/s claim 1 , more preferably from 40 m/s to 80 m/s claim 1 , most preferably from 50 m/s to 70 m/s.5. A method according to claim 1 , wherein the disentanglement process comprises feeding the collected web to ...

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Номер записи: 74
02-01-2014 дата публикации

High melting fluoropolymers

Номер: US20140005325A1
Автор: Caiping Lin, Ramin Amin-Sanayei
Принадлежит: Arkema Inc

The invention relates to a method for making copolymers of 2,3,3,3-tetrafluoropropene and vinylidene fluoride by an emulsion polymerization process having unexpectedly high melting temperatures, even at low crystallinity levels. The invention involves adjusting the microstructure of the copolymers through a controlled polymerization to obtain controlled microstructure copolymers with unique properties, including those with high melting temperature and low crystallinity.

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Номер записи: 75
02-01-2014 дата публикации

MICROEMULSIONS AND FLUOROPOLYMERS MADE USING MICROEMULSIONS

Номер: US20140005333A1
Автор: Dahlke Gregg D., Duchesne Denis, Fukushi Tatsuo, Grootaert Werner M.A., Guerra Miguel A., Last Larry A., Qiu Zai-Ming, Scott Peter J.
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

There are provided microemulsions derived from compositions containing oligomeric fluorosulfinic compounds and/or ethylenically unsaturated, polymerizable monomeric fluorosulfinic compounds and to their uses in (co)polymerization processes in aqueous emulsion of fluorinated monomers. 1. Microemulsions comprising:(a) water;(b) at least one ethylenically unsaturated fluoromonomer; and(c) at least one oligomeric fluorosulfinic compound.2. Microemulsions according to wherein the oligomeric fluorosulfinic compound is a highly fluorinated sulfinate oligomer.4. Microemulsions according to further comprising salts derived from the highly fluorinated sulfinate oligomer.6. Microemulsions according to wherein the functional group is selected from carboxylic acids and derivatives thereof claim 5 , nitriles claim 5 , sulfonyl halides claim 5 , sulfonates claim 5 , imidates claim 5 , amidines claim 5 , alcohols claim 5 , mercaptans claim 5 , and combinations thereof.7. Microemulsions according to wherein the functional group is an alcohol derivative.8. Microemulsions according to wherein the oligomeric fluorosulfinic compound is partially fluorinated.12. Microemulsions according to wherein R1 and R2 are independently selected from: —(CF)— claim 3 , —(CF)—O—(CF)— claim 3 , —(CF)—[O—(CF)]— claim 3 , —(CF)—[O—(CF(CF)CF)]— claim 3 , and —[(CF)—O]—[(CF)—O—]— claim 3 , and combinations thereof claim 3 , wherein a claim 3 , b claim 3 , c claim 3 , and d are independently at least 1.13. Microemulsions according to claim 3 , wherein R1 and R2 are independently selected from: —CFCF— claim 3 , —CFCFCFCF— claim 3 , —CFCFOCFCF— claim 3 , —CFCF(CF)—O—CFCF—.14. Microemulsions according to wherein the at least one oligomeric fluorosulfinic compound has a number average molecular weight of no more than 20 claim 1 ,000 grams/mole.15. Microemulsions according to wherein M is selected from: H claim 1 , NH claim 1 , PH claim 1 , HO claim 1 , Na claim 1 , Li claim 1 , Cs claim 1 , Ca claim 1 , K claim ...

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Номер записи: 76
02-01-2014 дата публикации

POLYMER PROCESSING SIMPLIFICATION

Номер: US20140005335A1
Автор: Pham Hang T., Samuels George J., Shafer Gregory J.
Принадлежит: HONEYWELL INTERNATIONAL INC.

A process for the preparation of a fluoroolefin polymer from an azeotropic mixture of monomers having a constant composition, the process including the step of: 123-. (canceled)24. A homopolymer prepared by a process comprising a step of: contacting in a reaction zone: an initiator; and an azeotropic mixture of at least two monomers comprising at least one fluoroolefin and , optionally , at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein said contacting is carried out at a temperature , pressure and length of time sufficient to produce said fluoroolefin polymer.25. A copolymer prepared by a process comprising a step of: contacting in a reaction zone: an initiator; and an azeotropic mixture of at least two monomers comprising at least one fluoroolefin and , optionally , at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein said contacting is carried out at a temperature , pressure and length of time sufficient to produce said fluoroolefin polymer.26. A terpolymer prepared by a process comprising a step of: contacting in a reaction zone: an initiator; and an azeotropic mixture of at least two monomers comprising at least one fluoroolefin and , optionally , at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein said contacting is carried out at a temperature , pressure and length of time sufficient to produce said fluoroolefin polymer.27. A polymer blend comprising at least two polymers selected from the group consisting of: a homopolymer , copolymer , and terpolymer prepared by a process comprising a step of: contacting in a reaction zone: an initiator; and an azeotropic mixture of at least two monomers comprising at least one fluoroolefin and , optionally , at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein said contacting is carried out at a temperature , pressure and length of time sufficient to produce ...

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Номер записи: 77
16-01-2014 дата публикации

HIGH GLASS TRANSITION TEMPERATURE THERMOSET AND METHOD OF MAKING THE SAME

Номер: US20140018475A1
Автор: Chakraborty Soma, Falkner Joshua C., Suresh Radhika
Принадлежит: BAKER HUGHES INCORPORATED

A process for preparing a nanocomposite includes combining a resin and silsesquioxane; introducing a curing agent to the resin and silsesquioxane to form a composition; and forming a reaction product of the composition to prepare the nanocomposite, wherein a total amount of the silsesquioxane and curing agent in the composition is from 1 wt % to 70 wt %, based on a weight of the composition. Additionally, a process for preparing an article includes combining an epoxy resin and silsesquioxane; introducing a curing agent to the epoxy resin and silsesquioxane to form a composition; and reacting the epoxy resin, silsesquioxane, and curing agent to form the nanocomposite, wherein a molar ratio of a number of moles of an epoxy functional group of the epoxy resin to the sum of the number of moles of the silsesquioxane and curing agent is from 1:1 to 100:1. An article includes the reaction product of the resin, silsesquioxane, and curing agent. 1. A process for preparing a nanocomposite , the process comprising:combining a resin and silsesquioxane;introducing a curing agent to the resin and silsesquioxane to form a composition; andforming a reaction product of the composition to prepare the nanocomposite,wherein a total amount of the silsesquioxane and curing agent in the composition is from 1 wt % to 70 wt %, based on a weight of the composition.2. The process of claim 1 , further comprising heating the composition from 75° C. to 250° C.3. The process of claim 1 , wherein the resin comprises an epoxy claim 1 , phenolic claim 1 , melamine claim 1 , urea claim 1 , polyurethane claim 1 , polysiloxane claim 1 , polyethylene claim 1 , polypropylene claim 1 , polybutadiene claim 1 , polyisoprene claim 1 , acrylic claim 1 , polyacrylamide claim 1 , polyacrylonitrile claim 1 , polyacrylic acid claim 1 , alkenylaromatic polymer claim 1 , polyamide claim 1 , polyester claim 1 , polycarbonate claim 1 , polysulfone claim 1 , polyimide claim 1 , polyarylene sulfide claim 1 , ...

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Номер записи: 78
30-01-2014 дата публикации

Blended Fluorosilicone Release Materials

Номер: US20140030514A1
Автор: Jayshree Seth, Marie A. Boulos, Michael A. Semonick, Ramesh C. Kumar, Zai-Ming Qiu
Принадлежит: 3M Innovative Properties Co

Blended release materials including a blend of a fluoro-functional silicone release polymer and a fluoropolymer are described. Exemplary fluoropolymers include fluoroolefin-based polymers and linear fluoropolymers including linear fluoroacryaltes. Articles including such release materials such as release liners, and adhesive articles, including silicone adhesive articles, are also described.

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Номер записи: 79
30-01-2014 дата публикации

Electrode binder composition, electrode slurry, electrode, and electrical storage device

Номер: US20140030592A1
Автор: Hiroyuki Miyauchi, Maki MAEGAWA, Tatsuaki Honda, Tatsuya Abe
Принадлежит: JSR Corp

An electrode binder composition is used to produce an electrode used for an electrical storage device, and includes (A) a polymer, (B) a compound represented by the following general formula (1), and (C) a liquid medium, the polymer (A) being fluorine-containing polymer particles or diene polymer particles, and a concentration of the compound (B) in the electrode binder composition being 5 to 500 ppm. wherein R 1 and R 2 independently represent a hydrogen atom, a halogen atom, or a monovalent alkyl group, and n is an integer from 0 to 5.

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Номер записи: 80
06-02-2014 дата публикации

BLENDS OF POLYPHENYLENE ETHER SULFONE AND SILICONE POLYESTER CARBONATE

Номер: US20140039103A1
Автор: GALLUCCI Robert Russell, Sybert Paul Dean
Принадлежит:

Disclosed herein is a composition comprising a polyphenylene ether sulfone and a resorcinol based silicone aryl polyester carbonate copolymer wherein greater than or equal to 50 mol % of copolymer repeating units are ester units derived from resorcinol, based on the total molar amount of all repeating units in the polymer and wherein the blend has less than 1 weight percent polycarbonate, based on the total weight of the composition, has FAR 25.853 peak heat release of less than 60 KW/mand time to peak heat release of greater than or equal to 120 seconds. 1. An article comprising a thermoplastic composition , wherein the article is a rail car interior article or an airplane interior article and the thermoplastic composition comprises 70 to 99 wt % of a polyphenylene ether sulfone and 1 to 30 wt % of a resorcinol based silicone aryl polyester carbonate copolymer , based on the total weight of the composition , wherein greater than or equal to 50 mol % of resorcinol based silicone aryl polyester carbonate copolymer repeating units are ester units derived from resorcinol , based on the total molar amount of all repeating units in the polymer and wherein the blend comprises less than 1 weight percent polycarbonate , based on the total weight of the composition , and the composition has a FAR 25.853 peak heat release of less than 50 KW/m , a time to peak heat release of greater than or equal to 120 seconds , and a melt volume viscosity rate (MVR) at 300° C. using a six minute equilibration time , with 6.7 Kg , as measured by ASTM D1238 , of greater than or equal to 2.0 cc/10 minutes.2. The article of claim 1 , wherein the composition has a multiaxial impact strength claim 1 , as measured by ASTM D3763 claim 1 , of greater than or equal to 70 Joules.3. The article of claim 1 , wherein greater than or equal to 80 mol % of copolymer repeating units are ester units derived from resorcinol claim 1 , based on the total molar amount of all repeating units in the polymer and ...

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Номер записи: 81
06-02-2014 дата публикации

Flooring product having regions of different recycle or renewable content

Номер: US20140039111A1
Автор: DONG Tian, Fang Qiao, Gary A. Sigel, Jeffrey S. Ross, Rebecca L. Winey, Ronald S. Lenox
Принадлежит: Armstrong World Industries Inc

A flooring product comprises a heterogeneous design layer having multiple regions wherein two regions comprise compositions having different recycle content or renewable content. The thickness of the design layer may be greater than the dimensions of the regions or the regions may extending from the top surface of the layer to the bottom surface of the design layer. The heterogeneous layer may be composed of consolidated particles/chips which may contain a polyester binder system with a renewable component. Additionally, a method for making a heterogeneous layer having a target wt % recycle content or renewable content is also disclosed.

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Номер записи: 82
13-02-2014 дата публикации

Polymeric Composition for Cement Based Substructures

Номер: US20140044879A1
Автор: Leaman Michael Ray
Принадлежит: UNISEAL SOLUTIONS INC.

The present invention is directed to a composition capable of inhibiting moisture vapor emission from concrete structures and enhancing adhesion of a finish material to the concrete structure comprising an aqueous mixture of a first copolymer of mer units formed from vinylidene halide and a C1-C2 alkyl acrylate with a second copolymer of mer units formed from vinylidene halide and a C4-CS alkyl acrylate and to the method of forming a moisture barrier/adhesion promoter coating on concrete comprising applying from 2.8 to 5.6 liters (0.75 to 1.5 gallons) of an aqueous carrier having from 10 to 50 weight percent of the mixture of copolymers stated above per 14 m2 (150 square feet) of the free surface of a concrete structure. 1. A composition composed of an aqueous mixture of at least one first copolymer comprising mer units derived from vinylidene halide and mer units derived from C-Calkyl acrylate , said mer units derived from C-Calkyl acrylate being present in from 5 to 40 weight percent of the first copolymer; and at least one second copolymer comprising mer units derived from vinylidene halide and mer units derived from C-Calkyl acrylate , said mer units derived from C-Calkyl acrylate being present in from 3 to 40 weight percent of the second copolymer , wherein said first copolymer and said second copolymer are in a weight ratio of 90:10 to 10:90; the first and second copolymers together form from 10 to 50 weight percent of the aqueous mixture; and the aqueous mixture has a pH of 1.5 to 3.5.2. The composition of wherein the first copolymer comprises from 5 to 15 weight percent of mer units derived from a C-Calkyl acrylate and the second copolymer comprises from 3 to 10 weight percent of mer units derived from C-Calkyl acrylate.3. The composition of wherein the first copolymer comprises a first copolymer comprising mer units of methyl acrylate and vinylidene chloride; and the second copolymer comprises mer units of butyl acrylate and vinylidene chloride.4. The ...

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Номер записи: 83
13-02-2014 дата публикации

HYDROPHILIZING AGENT COMPOSITION, HYDROPHILIZING METHOD, HYDROPHILIZED RESIN POROUS MATERIAL AND ITS PRODUCTION METHOD

Номер: US20140045956A1
Автор: Morizawa Yoshitomi, YAMAMOTO Hiromasa, Yamamoto Tatsuya
Принадлежит: Asahi Glass Company, Limited

A hydrophilizing agent composition comprising a copolymer having an alternating copolymerization ratio of repeating units represented by the following formula (1) and repeating units represented by the following formula (2) of at least 95%, and a solvent: 2. The hydrophilizing agent composition according to claim 1 , wherein the content of the alternating copolymer is from 0.01 to 10 mass % based on the total mass of the hydrophilizing agent composition.3. The hydrophilizing agent composition according to claim 1 , wherein the number average molecular weight of the alternating copolymer is from 3 claim 1 ,000 to 500 claim 1 ,000 claim 1 , and the molecular weight distribution (Mw/Mn) is from 1 to 5.4. The hydrophilizing agent composition according to claim 1 , wherein X is F claim 1 , and Y is F or Cl.5. The hydrophilizing agent composition according to claim 1 , wherein Z is OR.6. The hydrophilizing agent composition according to claim 1 , wherein R is a single bond claim 1 , O(CH)or (OCHCH)(wherein n is an integer of from 2 to 4 claim 1 , and m is an integer of from 1 to 4).7. The hydrophilizing agent composition according to claim 1 , wherein the amount of the solvent in the hydrophilizing agent composition is from 70 to 99.9 mass %.8. The hydrophilizing agent composition according to claim 7 , wherein the solvent contains an alcohol in a proportion of at least 70 mass %.9. A method for hydrophilizing a material claim 1 , which comprises treating a material to be treated by using the hydrophilizing agent composition as defined in .10. A method for producing a hydrophilized resin porous material claim 1 , which comprises impregnating a resin porous material with the hydrophilizing agent composition as defined in claim 1 , followed by drying.11. The method for producing a hydrophilized resin porous material according to claim 10 , wherein the resin constituting the resin porous material is a fluorinated resin.12. The method for producing a hydrophilized resin ...

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Номер записи: 84
20-02-2014 дата публикации

Method for making a bearing having a self-lubricating surface coating

Номер: US20140050859A1
Автор: Grant A. DREW, Richard Soelch, Thomas AULETTO
Принадлежит: New Hampshire Ball Bearings Inc

Methods for making a bearing are disclosed, wherein the bearing includes a substratum and a self-lubricating surface coating composition. The self-lubricating surface coating composition further includes at least one cured thermosetting acrylate and at least one phenolic resin. Methods includes the step of disposing the self-lubricating surface coating composition onto the substratum.

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Номер записи: 85
20-02-2014 дата публикации

Biobased modifiers for polyvinylchloride blends

Номер: US20140051787A1
Автор: Roger Weinlein, Yelena Kann
Принадлежит: Metabolix Inc

Compositions of polymer blends of polyvinylchloride (PVC) and polyhydroxyalkanoate (PHA) are described. In certain embodiments, the PHA is a poly-3-hydroxybutyrate-co-4-hydroxybutyrate copolymer having a weight percent 4-hydroxybutyrate of 30-45%. In other embodiments the PHA is a multiphase P3HB-4HB copolymer blend having one phase fully amorphous. The PHA is mixed with the PVC to optimize its optical, thermal and mechanical properties. In certain embodiments, the polymer is branched with optionally additives that improve properties. Methods of making the compositions of the invention are also described. The invention also includes articles, films and laminates comprising the compositions.

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Номер записи: 86
06-03-2014 дата публикации

POLY(METH)ACRYLATE AS MULTIFUNCTIONAL ADDITIVE IN PLASTICS

Номер: US20140066566A1
Автор: BRAUN Harald, Ghahary Reza, Kautz Holger
Принадлежит: Evonik Oil Additives GmbH

The present invention relates to use of a novel, single-component additive for addition to thermoplastics, in particular polyvinyl chloride (PVC). The resultant reduced friction delays melting of the thermoplastic during extrusion and therefore improves fluidity and lowers the process pressure required. The reduced friction moreover facilitates processing in shaping machinery by reducing adhesion to metal. In order to provide these technical improvements, the present invention provides a novel poly(meth)acrylate-based additive for thermoplastics, in particular for PVC. This features a poly(meth)acrylate backbone and long alkyl solid chains. 119-. (canceled)20. A thermoplastic comprising from 0.05% by weight to 20% by weight of an additive comprising a poly(meth)acrylate , wherein the poly(meth)acrylate comprises from 10 to 100% by weight of at least one (meth)acrylate having alkyl moieties comprising from 9 to 40 carbon atoms.21. The thermoplastic according to claim 20 , wherein the poly(meth)acrylate comprises:from 10 to 90% by weight of at least one (meth)acrylate having alkyl moieties comprising from 9 to 40 carbon atoms; andfrom 10 to 50% by weight of at least one α-olefin having alkyl moieties comprising from 4 to 14 carbon atoms.22. The thermoplastic according to claim 21 , wherein the poly(meth)acrylate comprises:from 10 to 60% by weight of at least one (meth)acrylate having alkyl moieties comprising from 9 to 12 carbon atoms;from 10 to 60% by weight of at least one (meth)acrylate having alkyl moieties comprising from 12 to 40 carbon atoms, such that all of (meth)acrylate monomers having alkyl moieties comprising from 8 to 40 carbon atoms amount to at most 90% by weight; andfrom 10 to 50% by weight of at least one α-olefin having alkyl moieties comprising from 4 to 14 carbon atoms.23. The thermoplastic according to claim 20 , wherein the additive comprises a poly(meth)acrylate comprising from 10 to 100% by weight of at least one (meth)acrylate having alkyl ...

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Номер записи: 87
06-03-2014 дата публикации

POLYMER PREPARING METHOD AND POLYMER PREPARED BY THE SAME

Номер: US20140066573A1
Автор: KIM Su Jeong, Yoon Jeong Ae
Принадлежит: LG CHEM, LTD.

Provided is a polymer preparing method. By additionally inputting a catalytic reducing agent that reduces an inactivated metal complex compound catalyst to an activated metal complex compound catalyst, a polymer polymerized at a high conversion ratio of a monomer can be provided. 1. A polymer preparing method comprising:bringing a catalyst, a ligand, a halogenated polymer compound, and a polymeric monomer into contact with one another; andadditionally inputting a catalytic reducing agent.2. The method of claim 1 , wherein the catalytic reducing agent is additionally input when a conversion ratio of the polymeric monomer is 10% or more.3. The method of claim 1 , wherein the catalytic reducing agent is input in an amount of 10 parts to 2000 parts by weight with respect to 100 parts by weight of the catalyst.4. The method of claim 1 , wherein the catalyst includes one selected from the group consisting of Cu(0) claim 1 , Fe(0) claim 1 , CuTe claim 1 , CuSe claim 1 , CuS claim 1 , and CuO.5. The method of claim 4 , wherein the catalyst further includes a compound represented by the following Chemical Formula 1:{'br': None, 'sub': '2', 'Cu(II)X/L \u2003\u2003[Chemical Formula 1]'}where, in Chemical Formula 1, X represents a halogen element and L represents a ligand.6. The method of claim 1 , wherein the catalytic reducing agent is an organic reducing agent capable of donating electrons or an inorganic reducing agent capable of donating electrons.7. The method of claim 6 , wherein the organic reducing agent includes one or more selected from the group consisting of peroxides claim 6 , azo compounds claim 6 , ascorbic acid claim 6 , monosaccharide compounds claim 6 , phenol compounds claim 6 , amine compounds claim 6 , and hydrazine compounds.8. The method of claim 6 , wherein the inorganic reducing agent includes at least one selected from the group consisting of metal compounds or zerovalent metals.9. A polymer preparing method comprising:forming a mixture by mixing a ...

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Номер записи: 88
13-03-2014 дата публикации

FLUORINE-CONTAINING ELASTOMER COMPOSITION AND INSULATED WIRE

Номер: US20140069685A1
Автор: Nakahashi Masanobu
Принадлежит: HITACHI CABLE, LTD.

A fluorine-containing elastomer composition includes a fluorine-containing resin including a copolymer of tetrafluoroethylene and α-olefin having carbon number of 2 to 4. The copolymer of tetrafluoroethylene and α-olefin having carbon number of 2 to 4 is configured such that a peak integrated value of −132 ppm relative to a peak integrated value 10,000 of −110 to −125 ppm falls within the range of 0.3 to 2.0 in nuclear magnetic resonance analysis. 1. A fluorine-containing elastomer composition , comprising:a fluorine-containing resin comprising a copolymer of tetrafluoroethylene and α-olefin having carbon number of 2 to 4,wherein the copolymer of tetrafluoroethylene and α-olefin having carbon number of 2 to 4 is configured such that a peak integrated value of −132 ppm relative to a peak integrated value 10,000 of −110 to −125 ppm falls within the range of 0.3 to 2.0 in nuclear magnetic resonance analysis.2. The fluorine-containing elastomer composition according to claim 1 , wherein the fluorine-containing resin further contains at least one of a cross-linking agent claim 1 , an auxiliary cross-linking agent and an acid acceptor as an additive agent.3. The fluorine-containing elastomer composition according to claim 1 , wherein the copolymer of tetrafluoroethylene and α-olefin having carbon number of 2 to 4 comprises a tetrafluoroethylene-propylene based copolymer.4. An insulated wire claim 1 , comprising:a conductor; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an insulating layer that is formed by covering the outer periphery of the conductor with the fluorine-containing elastomer composition according to and causing the fluorine-containing elastomer composition to be cross-linked.'} The present application is based on Japanese patent application No. 2012-200386 filed on Sep. 12, 2011, the entire contents of which are incorporated herein by reference.1. Field of the InventionThis invention relates to a fluorine-containing elastomer composition and an ...

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Номер записи: 89
13-03-2014 дата публикации

Crosslinked polymer nanoparticles containing composition, method for preparing a copolymer using the composition, and vinyl chloride resin with improved foam molding properties

Номер: US20140073713A1
Автор: Geon Soo Kim, Kwang Jin Lee, Yoon Ho Kim
Принадлежит: LG Chem Ltd

Disclosed is a crosslinked polymer nanoparticle containing composition, a method for preparing a copolymer using the composition, and a vinyl chloride resin with improved foam molding properties. Processing aid in according with the present invention, provides the effects of improved foam molding properties and processibility of a vinyl chloride resin, during a foam molding process upon being added to the vinyl chloride resin.

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Номер записи: 90
27-03-2014 дата публикации

BIOBASED MODIFIERS FOR POLYVINYLCHLORIDE BLENDS

Номер: US20140088233A1
Автор: Kann Yelena
Принадлежит: METABOLIX, INC.

Compositions of polymer blends of polyvinylchloride (PVC), a low molecular weight plasticizer and polyhydroxyalkanoate (PHA) are described. In certain embodiments, the PHA is a poly-3-hydroxybutyrate-co-4-hydroxybutyrate copolymer having a weight percent 4-hydroxybutyrate of 30-45%. In other embodiments the PHA is a multiphase P3HB-4HB copolymer blend having one phase fully amorphous. The PHA is mixed with the PVC and low molecular weight plasticizer to optimize the PVC's optical, thermal and mechanical properties. In certain embodiments, the polymer is branched with optionally additives that improve properties. Methods of making the compositions of the invention are also described. The invention also includes articles, films and laminates comprising the compositions. 1. A composition comprising a polymer blend of a polyvinyl chloride (PVC) polymer , a low molecular weight plasticizer , optionally biobased and a biobased non-extractable nonvolatile plasticizing polyhydroxyalkanoate copolymer or copolymer blend thereof (PHA) , wherein the PHA decreases the migration rate of the low molecular weight plasticizer and improves performance of PVC.2. The composition of claim 1 , wherein the PHA copolymer is 3-polyhydroxybutylrate-co-4-polyhydroxybutyrate copolymer claim 1 , 3-polyhydroxybutylrate-co-5-polyhydroxyvalerate; or 3-polyhydroxybutylrate-co-6-polyhydroxyhexanoate.3. The composition of claim 1 , wherein the PHA copolymer has a Tbetween about −15° C. and about −45° C. or between about 5° C. and about −40° C. and is between about 5 weight % to about 50 weight % of the total PHA in the composition.4. The composition of claim 1 , wherein the PHA copolymer has a percent crystallinity of about 0.2 to 1% as measured by DSC.5. The composition of claim 2 , wherein the improved performance of the PVC includes having one or more of the following properties selected from: lower volatile organic carbons claim 2 , lower liquid extractables claim 2 , improved permanence claim 2 ...

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Номер записи: 91
27-03-2014 дата публикации

High Purity Perfluoroelastomer Composites and A Process To Produce The Same

Номер: US20140088235A1
Автор: Hegenbarth Jack, Xu Ping
Принадлежит:

High purity perfluoroelastomer composites and processes for producing the same are provided. High purity composites may be formed from compositions comprising a crosslinkable fluoroelastomer terpolymer of TFE, PAVE, and CNVE, and functionalized PTFE, which may be crosslinked to form crosslinked composites having low metal content and low compression set. Emulsion mixtures for forming the high purity composites are also provided. 115-. (canceled)16. An emulsion mixture comprisingi) a microemulsion of a composition comprising a crosslinkable fluoroelastomer terpolymer consisting essentially of tetrafluoroethylene (TFE), perfluoroalkyl vinyl ether (PAVE), and perfluorocyano vinyl ether (CNVE) monomer units, andii) a dispersion of silica.17. The emulsion of claim 16 , wherein CNVE is 8-CNVE.18. The emulsion mixture of claim 16 , wherein a crosslinkable fluoroelastomer composite formed from the emulsion mixture has less than about 3000 ppb metal content.19. The emulsion mixture of claim 16 , wherein a crosslinkable fluoroelastomer composite formed from the emulsion mixture has less than about 2000 ppb metal content.20. The emulsion mixture of claim 16 , wherein a crosslinkable fluoroelastomer composite formed from the emulsion mixture has less than about 1000 ppb metal content.21. The emulsion mixture of claim 16 , wherein a crosslinkable fluoroelastomer composite formed from the emulsion mixture has less than about 500 ppb metal content.22. The emulsion mixture of claim 16 , wherein a crosslinkable fluoroelastomer composite formed from the emulsion mixture has less than about 200 ppb metal content.23. An emulsion mixture of wherein the silica is dispersed in iso propanol (IPA).24. The emulsion mixture of wherein the silica is hydrophobic silica.25. The emulsion mixture of wherein the silica is hydrophobic silica.2657-. (canceled) Perfluoroelastomers have achieved outstanding commercial success and are used in a wide variety of applications in which severe environments ...

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Номер записи: 92
03-04-2014 дата публикации

Polycarbonate resin composition and formed product thereof

Номер: US20140094549A1
Автор: Toshiki Monden
Принадлежит: Mitsubishi Engineering Plastics Corp

In a polycarbonate resin composition containing a polycarbonate resin and a polycarbosilane compound, the use of the polycarbosilane compound modifies the surface properties of the polycarbonate resin composition without adversely affecting the intrinsic characteristics of the polycarbonate resin, such as transparency, heat resistance, and mechanical properties, e.g., impact resistance. A polycarbonate resin composition containing 100 parts by mass of a polycarbonate resin, 0.001 to 1 part by mass of a metal salt compound, and 0.005 to 5 parts by mass of a polycarbosilane compound has significantly improved flame resistance and high transparency and causes markedly reduced outgassing and mold fouling, without losing impact resistance and heat resistance.

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Номер записи: 93
03-01-2019 дата публикации

Apparatus and method for aerosol deposition of nanoparticles on a substrate

Номер: US20190001360A1
Автор: Jacques Lefebvre, Patrick Malenfant
Принадлежит: NATIONAL RESEARCH COUNCIL OF CANADA

Provided is an apparatus for aerosol deposition of nanoparticles on a substrate. The apparatus includes: an aerosol generator for generating an aerosol of micron-sized droplets, each droplet having a limited number of nanoparticles; and a deposition chamber for receiving the aerosol from the aerosol generator. The deposition chamber having an electrostatic field for attracting droplets in the aerosol to the substrate. The electrostatic field being substantially perpendicular to the substrate. The apparatus allows for films/networks of nanoparticles to be patterned on the substrate to sub-millimeter feature sizes, which allows the fabrication of transistor devices for printable electronics applications. Also provided are methods for depositing nanoparticles on a substrate and materials having networks of such nanoparticles.

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Номер записи: 94
01-01-2015 дата публикации

Grafted polymers as oleophobic low adhesion anti-wetting coatings for printhead applications

Номер: US20150002581A1
Автор: Chakkaravarthy Chidambareswarapattar, David J. Gervasi, Mandakini Kanungo, Matthew M. Kelly, Michael S. Roetker, Santokh S. Badesha, Varun Sambhy
Принадлежит: Xerox Corp

An inkjet printhead includes a front face having a polymer coating, the polymer coating including an oleophobic grafted polymer having a crosslinked fluoroelastomer and a perfluorinated polyether grafted to the crosslinked fluoroelastomer.

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Номер записи: 95
07-01-2016 дата публикации

POLYMER COMPOSITE COMPRISING AN INTERFACIALLY MODIFIED FIBER AND PARTICLE

Номер: US20160002468A1
Автор: Heikkila Kurt E., Kroll John S.
Принадлежит:

Embodiments herein relate to a composite material including about 10 to 80 wt. % of a polymer phase, the polymer phase comprising a thermoplastic polymer with a density of less than about 1.9 g-m-2; and about 20 to 90 wt. % of a dispersed mixed particulate phase, the dispersed mixed particulate phase comprising a mixed particulate and about 0.005 to 8 wt. % of a coating of at least one interfacial modifier. The mixed particulate including a portion of a reinforcing fiber and a portion of a particle. The composite material having a Young's modulus of greater than 700 MPa. In various embodiments, structural building components made from the composite are included as well as additive manufacturing components made from the composite. 1. A composite material comprising:{'sup': '−2', 'about 10 to 80 wt. % of a polymer phase, the polymer phase comprising a thermoplastic polymer with a density of less than about 1.9 g-m; and'}about 20 to 90 wt. % of a dispersed mixed particulate phase, the dispersed mixed particulate phase comprising a mixed particulate and about 0.005 to 8 wt. % of a coating of at least one interfacial modifier;the mixed particulate comprising a portion of a reinforcing fiber and a portion of a particle;wherein the composite material has a Young's modulus of greater than 700 MPa.2. The composite material of wherein the particle has a circularity of about 13.6 to 40.3. The composite material of wherein the density of the composite material is less than about 1.0 g-m.4. The composite material of having a Young's modulus that is greater than an otherwise identical composite material lacking the interfacial modifier.5. The composite material of claim 1 , the particle comprising a spherical particle.6. The composite material of wherein the dispersed mixed particulate phase comprises 0.2 to 6 wt. % of the interfacial modifier.7. The composite material of wherein the reinforcing fibers have an aspect ratio of 1:1.5 or greater.8. The composite material of wherein ...

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Номер записи: 96
05-01-2017 дата публикации

FLUORINE RUBBER COMPOSITION, CROSSLINKED RUBBER MOLDED BODY AND METHOD FOR PRODUCING SAME

Номер: US20170002153A1
Автор: Osumi Naoki, Toda Sayaka
Принадлежит: NIPPON VALQUA INDUSTRIES, LTD.

Provided are: a fluorine rubber composition which contains a hydrogen atom-containing fluorine rubber and a hydrogen atom-containing fluororesin; a crosslinked rubber molded body which uses this fluorine rubber composition; and a method for producing this crosslinked rubber molded body. It is preferable that the hydrogen atom-containing fluororesin is composed of at least one compound that is selected from the group consisting of polyvinylidene fluorides, vinylidene fluoride-hexafluoropropylene copolymers, tetrafluoroethylene-ethylene copolymers and vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene copolymers. 1. A fluorine rubber composition comprising a hydrogen atom-containing fluorine rubber and a hydrogen atom-containing fluororesin.2. The fluorine rubber composition according to claim 1 , wherein a content of said hydrogen atom-containing fluororesin is 1 to 50 parts by weight relative to 100 parts by weight of said hydrogen atom-containing fluorine rubber.3. The fluorine rubber composition according to claim 1 , wherein the fluorine rubber composition further comprises an organic peroxide and a co-crosslinking agent.4. The fluorine rubber composition according to claim 1 , wherein said hydrogen atom-containing fluororesin is at least one compound selected from the group consisting of polyvinylidene fluoride claim 1 , a vinylidene fluoride-hexafluoropropylene copolymer claim 1 , a tetrafluoroethylene-ethylene copolymer and a vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene copolymer.5. The fluorine rubber composition according to claim 1 , wherein the fluorine rubber composition contains no inorganic filler.6. A crosslinked rubber molded body comprising a crosslinked product of the fluorine rubber composition according to .7. The crosslinked rubber molded body according to claim 6 , wherein the crosslinked rubber molded body is a sealing material for semiconductor manufacturing devices.8. A method for producing a crosslinked rubber molded ...

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Номер записи: 97
04-01-2018 дата публикации

PLANT FIBER-REINFORCED THERMOPLASTIC COMPOSITION

Номер: US20180002514A1
Автор: Henry James, Lal Kushwaha Radhey, Panigrahi Satyanarayan
Принадлежит: CNH Industrial Canada, Ltd.

The present invention is directed to plant fiber-reinforced thermoplastic compositions and a method for reinforcing thermoplastic resins. The present invention provides a use for the cellulose portion of a plant material, which is the portion left over after processing the selected plant materials to separate the hemi-cellulose and lignin from the cellulose. 1. A reinforced thermoplastic resin composition comprising:a) a thermoplastic material; andb) from about 1 to about 60 weight percent cellulose fibers based on the weight of the composition, the cellulose fibers obtained by the separation of the cellulose fiber fraction from hemi-cellulose and lignin fractions of flax in a decortication process that does not include hammering or bending/flexing the flax.2. The composition of wherein the cellulose fibers and the thermoplastic are molecularly bonded to one another.3. The composition of wherein the thermoplastic is a polyolefin or polyamide or an engineering plastic.4. The composition of wherein the thermoplastic material is polypropylene or acrylonitrile butadiene styrene.5. The composition of wherein the thermoplastic material and cellulose fibers are homogeneously dispersed throughout the composition. This application is a divisional Non-Provisional patent application which claims priority to U.S. Non-Provisional patent application Ser. No. 14/697,079, filed Apr. 27, 2015, entitled “PLANT FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITION,” which is a continuation application of U.S. Non-Provisional patent application Ser. No. 13/648,738, filed on Oct. 10, 2012, entitled “PLANT FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITION,” which are all expressly incorporated by reference herein in their entirety.The present invention relates to a thermoplastic composite resin composition which includes plant fibers and a method for reinforcing thermoplastic resin compositions. More particularly, the cellulose component of plat material remaining after the removal of the hemi ...

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Номер записи: 98
04-01-2018 дата публикации

CPVC PIPE HAVING IMPROVED RESISTANCE TO ENVIRONMENTAL STRESS CRACKING

Номер: US20180002518A1
Автор: Julius Mark D., Zook Christopher D.
Принадлежит:

The disclosed technology relates to a plastic compound suitable for preparing articles, such as pipe, with good physical properties, such as impact strength, and resistance to environmental stress cracking (ESC). In particular, the technology relates to a vinyl chloride resin, which includes chlorinated polyvinyl chloride (“CPVC”) homopolymer. Further-more, the invention relates to vinyl chloride homopolymer compounds containing the vinyl chloride homopolymer resin, and articles made from such compounds, which compounds meet 23447 cell classifications under ASTM D1784. 1. A chlorinated vinyl chloride (CPVC) compound comprising (A) at least one high molecular weight chlorinated vinyl chloride polymer resin (CPVC resin) , wherein said high molecular weight CPVC resin is prepared by chlorinating a vinyl chloride resin having an inherent viscosity of about 1.02 or greater.2. The CPVC compound of claim 1 , additionally comprising (B) at least one standard molecular weight CPVC resin claim 1 , wherein said standard molecular weight CPVC is prepared by chlorinating a vinyl chloride resin having an inherent viscosity of less than 0.92.3. The CPVC compound of claim 2 , wherein the ratio of the high molecular weight CPVC resin to the standard molecular weight CPVC resin is 1:1 or greater.4. The CPVC compound of claim 1 , wherein said high molecular weight CPVC resin comprises a chlorine content of less than 67 wt. %.5. The CPVC compound of claim 1 , wherein said standard molecular weight CPVC resin comprises a chlorine content of less than 67 wt. %.6. The CPVC compound of claim 1 , wherein said compound further comprises (C) other additives7. The CPVC compound of claim 6 , wherein the other additive comprises at least one of (1) stabilizers claim 6 , (2) impact modifiers claim 6 , 3) lubricants claim 6 , (4) fillers claim 6 , (5) colorants claim 6 , and (6) combinations thereof.8. The CPVC compound of claim 7 , wherein the CPVC compound comprises from about 0.1 to about 7.0 ...

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Номер записи: 99
02-01-2020 дата публикации

THERMALLY CONDUCTIVE POLYVINYL HALIDE

Номер: US20200002521A1
Автор: HU Ling, Lee Sang
Принадлежит: POLYONE CORPORATION

A polyvinyl halide compound has thermal conductivity and includes polyvinyl halide resin, natural or synthetic graphite of flake or spheroid form, and at least 0.5 weight percent of epoxidized vegetable oil. Selection of types and amounts of graphite and epoxidized vegetable oil provide thermal conductivity while other desirable properties of the compound are suitably maintained. The compound can be used for making any end use article that needs flame retardance and good thermal management and is especially useful as a thermally conductive material to replace die cast or extruded aluminum heat sinks in industrial applications, such as LED lighting fixtures. 1. A polyvinyl halide compound having thermal conductivity , comprising:(a) polyvinyl halide resin;(b) natural or synthetic graphite of flake or spheroid form; and(c) at least 0.5 weight percent of epoxidized vegetable oil.2. The compound of claim 1 , wherein the graphite is natural flake graphite.3. The compound of wherein the polyvinyl halide is polyvinyl chloride.4. The compound of claim 3 , wherein the graphite comprises from about 15 to about 65 weight percent of the compound.5. The compound of claim 3 , wherein the epoxidized vegetable oil comprises from about 1 to about 6 weight percent of the compound.6. The compound of claim 5 , wherein the epoxidized vegetable oil is epoxidized soybean oil.7. The compound of claim 5 , wherein the compound also comprises at least one additive selected from the group consisting of adhesion promoters; biocides; anti-fogging agents; anti-static agents; bonding claim 5 , blowing and foaming agents; dispersants; fillers and extenders; fire and flame retardants and smoke suppressants; impact modifiers; initiators; lubricants; micas; pigments claim 5 , colorants and dyes; plasticizers; processing aids; release agents; silanes claim 5 , titanates and zirconates; slip and anti-blocking agents; stabilizers; stearates; ultraviolet light absorbers; viscosity regulators; waxes; and ...

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Номер записи: 100