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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 6766. Отображено 100.
14-06-2017 дата публикации

Устройство предварительной активации полимеров

Номер: RU0000171740U1

Полезная модель относится к устройствам обработки полимерных материалов для улучшения адгезионных свойств лакокрасочных и клеевых покрытий к поверхности изделий без изменения физико-механических свойств материала и может быть использована в легкой и автомобильной промышленности. В устройстве предварительной активации полимеров, содержащем корпус, включающий изолированные друг от друга два электрода для создания между ними электрического поля, штуцера в верхней части корпуса, согласно полезной модели, электроды изготовлены в виде пластин, одна из граней которых выполнена в виде дуги, установлены в корпусе зеркально, при этом корпус выполнен из двух зеркальных смыкающихся половинок с открытым дном. Техническим результатом полезной модели является активация полимерных материалов при атмосферном давлении без предварительной подготовки, снижение энергетических и экономических затрат. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 171 740 U1 (51) МПК C08J 7/18 (2006.01) B29C 71/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2017111690, 06.04.2017 (24) Дата начала отсчета срока действия патента: 06.04.2017 Приоритет(ы): (22) Дата подачи заявки: 06.04.2017 (45) Опубликовано: 14.06.2017 Бюл. № 17 Адрес для переписки: 153000, г. Иваново, пр. Шереметевский, 7, ИГХТУ, отдел патентной и изобретательской работы (56) Список документов, цитированных в отчете о поиске: RU 2180617 C2, 20.03.2002. RU 2027810 C1, 27.01.1995. JPS 6228812 B2, 23.06.1987. EA 8013 B1, 27.02.2007. 1 7 1 7 4 0 (73) Патентообладатель(и): Федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный химико-технологический университет" (ИГХТУ) (RU) 14.06.2017 R U Дата регистрации: (72) Автор(ы): Богданов Павел Владимирович (RU), Шутов Дмитрий Александрович (RU), Иванов Александр Николаевич (RU) 1 7 1 7 4 0 R U (57) Формула полезной модели Устройство предварительной ...

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08-03-2012 дата публикации

Surface modification method of fluoropolymers by electron beam irradiation and the fabrication of superhydrophobic surfaces using the same

Номер: US20120056108A1

A method for the surface modification of fluoropolymer films using electron beam irradiation to generate superhydrophobic surfaces is provided. This surface modification method can cause simultaneously both a physical modification roughening the fluoropolymer surfaces and a chemical modification changing the surface composition of the fluoropolymers, and therefore fabricating the superhydrophobicity on a fluoropolymer surface by controlling the dose of electron beam irradiation. Therefore, this method for the surface modification of fluoropolymers by electron beam irradiation can be used in the generation of superhydrophobic surfaces required in various industries such as paint, glue, fine chemistry, electrical and electronics, cars, and display manufacturing.

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26-04-2012 дата публикации

High-density polymer surface coating to immobilize chemical or biological molecules

Номер: US20120101230A1
Принадлежит: X Body Inc

A method for providing high-density polymer surface for attaching proteins or peptides, and binding proteins, peptides, DNAs, cells, small molecules, and other chemical or biological molecules that are of interests in the areas of proteomic, genomic, pharmaceutical, drug discovery, and diagnostic studies.

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27-09-2012 дата публикации

Method for producing polymer sheet having three-dimensional pattern on surface

Номер: US20120244293A1
Принадлежит: Nitto Denko Corp

Provided is a method for simply producing a polymer sheet having a three-dimensional pattern on surface. The method produces such a polymer sheet having a three-dimensional pattern on surface by applying a polymerizable composition to one surface of a polymer sheet and allowing the surface to have a three-dimensionally altered shape; and thereafter performing polymerization/curing to form a three-dimensional pattern on the surface of the polymer sheet. The polymerizable composition includes a monomer mixture including at least one polymerizable monomer absorbable by the polymer sheet, or a partial polymer of the monomer mixture as an essential component.

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14-03-2013 дата публикации

Biodegradable pellets foamed by irradiation

Номер: US20130065055A1
Принадлежит: Novamont SpA

This invention relates to biodegradable starch-based pellets which foamable by irradiation, which are particularly suitable for the manufacture of foam articles, characterised in that they have a porous structure with a low porous external skin. This invention also relates to foam articles obtained from these.

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09-05-2013 дата публикации

Gas barrier film, process for production of gas barrier film, and electronic device

Номер: US20130115423A1
Принадлежит: KONICA MINOLTA INC

The present invention provides a gas barrier film having high barrier properties, folding/bending resistance and smoothness and excellent cutting suitability, and also provides an organic photoelectric conversion element equipped with the gas barrier film. The gas barrier film is characterized by having a gas barrier layer unit ( 5 ) on a side face of at least one surface of a base material ( 2 ), wherein the gas barrier layer unit ( 5 ) comprises a first barrier layer ( 3 ) formed by a chemical vapor deposition method and a second barrier layer ( 4 ) formed by applying a silicon compound onto the first barrier layer ( 3 ) to form a coating film and modifying the coating film, and wherein the second barrier layer ( 4 ) has an unmodified region ( 4 B) on a side facing the base material and a modified region ( 4 A) on a side facing the front layer of the film.

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16-05-2013 дата публикации

Method for Preparing a Degradable Polymer Network

Номер: US20130123384A1
Принадлежит: Twente Universiteit

The present invention relates to methods for preparing a degradable polymer network. The methods for preparing a degradable polymer network comprise a) preparing a polymer composition comprising monomers of cyclic carbonates and/or cyclic esters and/or linear carbonates and/or linear esters and/or cyclic ethers and/or linear hydroxycarboxylic acids at a temperature between 20° C. and 200° C.; b) adding a cross-linking reagent comprising at least one double or triple C—C bond and/or a cross-linking radical initiator; c) processing the polymer composition (that contains the crosslinking reagentj into a desired shape; d) Crosslinking by irradiating the mixture. Further, the present invention relates to a degradable polymer network. Furthermore, the present invention relates to the use of the degradable polymer network.

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27-06-2013 дата публикации

Method for treating an elastomeric surface of a device for dispensing a fluid product

Номер: US20130164435A1
Принадлежит: APTAR FRANCE SAS

A method of treating an elastomer surface of a fluid dispenser device, said method comprising a step of modifying at least one elastomer surface to be treated of said device by ionic implantation using multi-charged and multi-energy ion beams, said modified elastomer surface limiting adhesion of the elastomer surfaces during the manufacturing and/or assembly stages, said multi-charged ions being selected from helium (He), nitrogen (N), oxygen (O), neon (Ne), argon (Ar), krypton (Kr), and xenon (Xe), ionic implantation being carried out to a depth of 0 μm to 3 μm.

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15-08-2013 дата публикации

Adhesion promoting process for painting plastic parts

Номер: US20130209687A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A process for treating a plastic part to improve the adhesion of paint comprises first treating the surface of the part with sulfur trioxide and thereafter treating the surface with ammonium.

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24-10-2013 дата публикации

METHOD FOR CREATING MULTILAYER HIGH ADSORPTIVE COVERING FOR FLUOROPOLYMERS

Номер: US20130280641A1
Автор: LIIV Juri
Принадлежит: Visitret Displays Ltd.

The present invention relates to a method for coating fluoropolymers with a coating substance, by atom transfer radical polymerisation and subsequent processing whereas a fluoropolymer is contacted with a reaction mixture comprising at least one ligand selected from the group consisting of multichained and polycyclic amines, at least one metal salt wherein the metal is in a first oxidation state, at least one solvent, and the organic coating substance in monomer form. 1. A method for coating fluoropolymers with a coating substance , by atom transfer radical polymerisation , comprising contacting a fluoropolymer with a reaction mixture comprisingat least one ligand selected from the group consisting of multichained and polycyclic amines,at least one metal salt wherein the metal is in a first oxidation state,at least one solvent, andthe organic coating substance in monomer form.2. A method according to wherein the reaction mixture further comprises an initiator.3. A method according to wherein the initiation of a reaction using the reaction polymer is induced by the polymer crystal structure defects.4. A method according to claim 1 , wherein the coating substance is selected from a group consisting of styrene claim 1 , sulphonic acid claim 1 , metacrylate claim 1 , ethylene-imine a hydrophilic monomer and mixtures thereof.5. A method according to claim 1 , wherein the reaction mixture comprises metal salts in more than one oxidation state.6. A method according to claim 1 , wherein the ligand is selected from a group consisting of tris(2-aminoethyl)amine (TREN) claim 1 , tris[2-(dimethylamino)ethyl]amine (Me6 TREN) claim 1 , 2 claim 1 ,2′-bipyridine (bpy) claim 1 , tetraazacyclotetradecane (CYCLAM) and mixtures thereof.7. A method according to claim 1 , wherein the fluoropolymer is selected from a group consisting of polyvinylene claim 1 , polytetrafluoroethylene claim 1 , polyvinylfluoride and mixtures thereof.8. A method according to claim 1 , wherein the solvent is ...

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31-10-2013 дата публикации

Wiping member made from a material based on over-crosslinked elastomer(s)

Номер: US20130283559A1
Принадлежит: Valeo Systemes dEssuyage SAS

The invention relates to a wiping member ( 10 ) comprising an elastomer-based material, a coating being provided on at least part of an external surface of the material. At least part of the surface of the assembly formed by the elastomer-based material and the coating has an increased degree of cross-linking over at least one surface thickness of the assembly. The invention also relates to a windshield wiper blade and to a method for treating a wiping member.

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09-01-2014 дата публикации

METHOD FOR MAKING PLASTIC ARTICLES HAVING AN ANTIMICROBIAL SURFACE

Номер: US20140008324A1
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

Herein are disclosed methods for processing plastic substrate surfaces having inorganic antimicrobial microparticles within. The methods involve providing a plastic substrate having a substrate surface, having inorganic antimicrobial microparticles within the plastic substrate, and exposing the substrate surface to a plasma. 1. A method of making a plastic article having an antimicrobial surface , the method comprising:providing a plastic substrate having a substrate surface, wherein the plastic substrate comprises inorganic antimicrobial microparticles disposed within; andplasma etching the substrate surface to expose a portion of the inorganic antimicrobial microparticles.2. The method of claim 1 , wherein the inorganic antimicrobial microparticles comprise a ceramic carrier and at least one antimicrobial metal.3. The method of claim 2 , wherein the ceramic carrier is at least one of clay claim 2 , zeolite claim 2 , or silicon dioxide.4. The method of claim 2 , wherein the at least one antimicrobial metal is a transition metal.5. The method of wherein the at least one antimicrobial metal is selected from the group consisting of silver claim 4 , gold claim 4 , copper claim 4 , and zinc.6. The method of claim 1 , wherein the inorganic antimicrobial microparticles have an average particle size that is at least 1 micrometer.7. The method of claim 1 , wherein the inorganic antimicrobial microparticles have an average particle size that is in a range of from 5 micrometers to 10 micrometers.8. The method of claim 1 , wherein the inorganic antimicrobial microparticles have an average particle size that is at least an order of magnitude smaller than a smallest dimension of the plastic article.9. The method of claim 1 , wherein the inorganic antimicrobial microparticles are stable to processing at temperatures up to 1000° C.10. The method of claim 1 , wherein the substrate surface comprises at least 0.1% by area of inorganic antimicrobial microparticles after the plasma ...

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23-01-2014 дата публикации

POLYIMIDE-CONTAINING LAYER AND METHOD FOR ETCHING POLYIMIDE-CONTAINING LAYER

Номер: US20140021169A1

The disclosure provides a polyimide-containing layer suitable for being etched by an alkaline solution and a method for etching a polyimide-containing layer. The polyimide-containing layer suitable for being etched by an alkaline solution includes 20-50 parts by weight of a silica dioxide, and 50-80 parts by weight of a polyimide. 1. A polyimide-containing layer , comprising:20-50 parts by weight of an inorganic oxide; and50-80 parts by weight of a polyimide.2. The polyimide-containing layer as claimed in claim 1 , wherein the inorganic oxide has a particle size of 1-600 nm.3. The polyimide-containing layer as claimed in claim 1 , wherein the inorganic oxide has a particle size of 1-100 nm.4. The polyimide-containing layer as claimed in claim 1 , wherein the inorganic oxide comprises inorganic silicon oxide claim 1 , inorganic alumina claim 1 , or combinations thereof.5. The polyimide-containing layer as claimed in claim 1 , wherein the polyimide-containing layer has a haze value of less than 10.6. A method for etching polyimide-containing layer claim 1 , comprising:providing a polyimide-containing composition, wherein the polyimide-containing composition comprises:20-50 parts by weight of an inorganic oxide; and50-80 parts by weight of a polyimide, wherein the inorganic oxide and the polyimide are dispersed in a solvent;coating the polyimide-containing composition on a substrate;drying the polyimide-containing composition to form a layer on the substrate; andetching the layer with an alkaline solution.7. The method as claimed in claim 6 , wherein the polyimide-containing composition has a solid content of 10-40 wt %.8. The method as claimed in claim 6 , wherein the polyimide-containing composition has a viscosity of more than 1000 cps.9. The method as claimed in claim 6 , wherein the alkaline solution comprises water claim 6 , an alkanolamine claim 6 , and an alkali metal hydroxide.10. The method as claimed in claim 9 , wherein the weight ratio between the ...

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27-03-2014 дата публикации

Surface treatment method for molded article, and molded article produced from material containing cyclic olefin resin

Номер: US20140087199A1
Принадлежит: Ushio Denki KK

A self-assembled monolayer is formed on the surface of a molded article without roughening the surface of the molded article to thereby perform treatment for preventing a biochemical substance from being adsorbed, for example, on a microchip substrate, and imparting functionality of immobilizing a biofunctional molecule thereto. The surface of a cyclic olefin resin molded article, for example, a microchip substrate, is irradiated with vacuum ultraviolet light having a center wavelength of 172 nm from an excimer lamp to activate a portion serving as a flow channel in the substrate. Next, the molded is immersed in a tank filled, for example, with a fluorine compound solution, and a SAM film that is a self-assembled monolayer is formed on the surface activated by ultraviolet radiation.

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10-04-2014 дата публикации

ELASTOMER PRODUCT WITH COVALENTLY BONDED PARTICLES

Номер: US20140096308A1
Принадлежит: SEMPERIT AKTIENGESELLSCHAFT HOLDING

The invention relates to a method of bonding particles to the surface of an elastomer, in particular a glove, the surface of the elastomer being at least partially epoxidized, and the particles are covalently bonded to the epoxide groups after epoxidation of the elastomer surface. 1. (canceled)2. The method according to claim 16 , wherein the particles are inorganic particles.3. The method according to claim 16 , wherein the surface of the particles is functionalized prior to applying the particles to the surface of the at least partially epoxidized elastomer surface.4. The method according to claim 3 , wherein the particles are functionalized by creating free mercapto groups and/or free amino groups and/or carboxylic acid groups and/or epoxide groups and/or hydroxy groups and/or anhydride groups and/or isocyanate groups and/or isothiocyanate groups on the surface of the particles.5. The method according to claim 3 , wherein the particles are functionalized by at least one chemical compound selected from the group consisting of 3-aminopropyltrimethoxysilane claim 3 , 3-mercaptopropyltriethoxysilane claim 3 , hydroxymethyltriethoxysilane claim 3 , 3-isocyanate propyltrimethoxysilane claim 3 , 3-glycidoxypropyltrimethoxysilane claim 3 , and 3-(triethoxysilyl)propylsuccinic anhydride.6. The method according to claim 16 , wherein adhesively bonded particles are removed from the surface of the elastomer.7. The method according to claim 16 , wherein epoxidation of the elastomer is effected on the surface in solid form.8. The method according to claim 16 , wherein epoxidation is effected on the elastomer in liquid phase.9. The method according to claim 16 , wherein epoxidation is effected in discrete regions of the surface of the elastomer.10. An elastomer product produced by a method according to claim 1 , wherein the surface has particles at least partially covalently bonded to the elastomer.11. The elastomer product according to claim 10 , comprises at least two layers ...

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01-01-2015 дата публикации

PROCESS FOR METALLIZING NONCONDUCTIVE PLASTIC SURFACES

Номер: US20150001177A1
Автор: Middeke Hermann
Принадлежит:

The present invention relates to a process for metallizing electrically nonconductive plastic surfaces of articles. During the process, the rack to which the said articles are fastened is subjected to a treatment for protection against metallization. Subsequently, the articles are metallized by means of known processes, wherein the racks remain free of metal.

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05-01-2017 дата публикации

MODIFIED ELASTOMER SURFACE

Номер: US20170002159A1
Принадлежит:

Various embodiments disclosed related to modified elastomer surfaces and methods of making and using the same. In various embodiments, the present invention provides a method of modifying the surface of an elastomer. The method can include contacting a polymerizable composition and at least part of a surface of an elastomer. The polymerizable composition can include a free-radical polymerizable monomers, an organoborane-organonitrogen free-radical initiator, and an amine-reactive compound. The method can include at least partially polymerizing the polymerizable composition, to provide a polymerization product of the polymerizable composition on the surface of the elastomer. 1. A method of modifying the surface of an elastomer , the method comprising: A) free-radical polymerizable monomer;', 'B) organoborane-organonitrogen free-radical initiator; and', 'C) amine-reactive compound;, 'contacting a polymerizable composition and at least part of a surface of an elastomer comprising an organopolysiloxane, the polymerizable composition comprising'}at least partially polymerizing the polymerizable composition, to provide a polymerization product of the polymerizable composition on the surface of the elastomer.2. The method of claim 1 , further comprising:applying a strain to the elastomer such that the elastomer is in a state of mechanical deformation during at least part of the polymerization, wherein the polymerization product of the polymerizable composition comprises a pattern.3. The method of wherein the strain is applied to the elastomer at least one of before the contacting with the composition claim 1 , during the contacting with the composition claim 1 , after the contacting with the composition claim 1 , before the at least partial polymerization claim 1 , and during the at least partial polymerization.4. The method of claim 1 , wherein the pattern comprises a mold-free pattern.5. The method of claim 1 , wherein the pattern comprises a discrete pattern comprising ...

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02-01-2020 дата публикации

UV-STABILIZER SOLUTION FOR TREATING THE SURFACE LAYER OF A POLYMER ARTICLE

Номер: US20200002493A1
Принадлежит:

The present invention relates to a process for treating the surface of a polymer article with a UV-stabilizer solution which comprises an effective amount of a UV-absorber compound dissolved in a solvent, and optionally a radical scavenger. The present invention also relates to a process for preparing a UV-stabilized polymer article which comprises a step consisting in contacting the surface layer of a polymer article with the UV stabilizer solution. The present invention also provides UV-stabilized polymer articles, that-is-to-say polymer articles which are resistant to color change upon exposure to UV light. 112-: (canceled)15. The method of claim 13 , wherein the polymer article is made at least in part from a polymer composition (C) comprising a polymer selected from the group consisting of poly(aryl ether ketone) (PAEK) claim 13 , poly(aryl ether sulfone) (PAES) claim 13 , and polyarylene sulfide (PAS).16. The method of claim 13 , wherein the UV-stabilizer solution comprises from 0.01 mol. % to 15 mol. % of the at least one radical scavenger compound claim 13 , based on the total number of moles of the UV-stabilizer solution.17. The method of claim 13 , wherein the at least one radical scavenger compound is selected from the group consisting of hindered amine light stabilizers (HALS) claim 13 , and hindered phenol antioxidants (HPA).19. The method of claim 13 , wherein the at least one surface layer of the polymer article is contacted with the UV-stabilizer solution by coating the at least one surface layer of the polymer article with the UV-stabilizer solution claim 13 , spraying the UV-stabilizer solution onto the at least one surface of the polymer article claim 13 , or immersing the at least one surface layer of the polymer article in a bath comprising the UV-stabilizer solution.20. The method of claim 13 , wherein contacting the at least one surface layer of the polymer article with the UV-stabilizer solution occurs at a temperature between 10° C. and 30° ...

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01-01-2015 дата публикации

CATALYST-FREE SURFACE FUNCTIONALIZATION AND POLYMER GRAFTING

Номер: US20150005447A1
Принадлежит:

Some embodiments described herein relate to a substrate with a surface comprising a silane or a silane derivative covalently attached to optionally substituted cycloalkene or optionally substituted heterocycloalkene for direct conjugation with a functionalized molecule of interest, such as a polymer, a hydrogel, an amino acid, a nucleoside, a nucleotide, a peptide, a polynucleotide, or a protein. In some embodiments, the silane or silane derivative contains optionally substituted norbornene or norbornene derivatives. Method for preparing a functionalized surface and the use in DNA sequencing and other diagnostic applications are also disclosed. 1. A substrate comprising a first surface comprising silane or a silane derivative covalently bound to a functionalized molecule through a first plurality of unsaturated moieties selected from cycloalkenes , cycloalkynes , heterocycloalkenes , heterocycloalkynes , or optionally substituted variants or combinations thereof covalently attached to silicon atoms of said silane or silane derivative.2. The substrate of claim 1 , wherein said first plurality of unsaturated moieties are selected from norbornene claim 1 , heteronorbornenes claim 1 , norbornene derivatives claim 1 , trans-cyclooctene claim 1 , trans-cyclooctene derivatives claim 1 , cyclooctyne claim 1 , bicycloalkynes claim 1 , or optionally substituted variants or combinations thereof.3. The substrate of claim 1 , wherein said first plurality of unsaturated moieties are selected from optionally substituted norbornene claim 1 , optionally substituted cyclooctyne claim 1 , optionally substituted bicyclononyne claim 1 , or optionally substituted bicyclo[6.1.0]non-4-yne.4. The substrate of claim 1 , further comprising linkers covalently attached between silicon atoms of said silane or silane derivative and the first plurality of unsaturated moieties.5. The substrate of claim 4 , wherein the linkers are selected from optionally substituted alkylenes claim 4 , optionally ...

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14-01-2016 дата публикации

PROCESS FOR THE FUNCTIONALIZATION OF A SURFACE

Номер: US20160009825A1

It was the object to perform surface functionalization with as low as possible a procedural effort and without deleterious side effects, wherein the functionalized surface is to have a permanent chemical activity and a high degree of substitution (DS) of higher than 1. 2. The process according to claim 1 , characterized in that a hydroxy group is provided as at least one functional group R.3. The process according to claim 1 , characterized in that a thiol group is provided as at least one functional group R.4. The process according to claim 1 , characterized in that an amino group is provided as at least one functional group R.5. The process according to claim 1 , characterized in that a homo- or heteroglycan is used as said oligo- or polysaccharide.6. The process according to claim 1 , characterized in that glucan claim 1 , especially β-1-4-glucan claim 1 , cellulose or chitin claim 1 , is used as said oligo- or polysaccharide.9. The process according to claim 6 , characterized in that a cellulose with an average degree of polymerization (DP) claim 6 , based on its molecular mass claim 6 , of from 30 to 1500 claim 6 , preferably within a range of from 50 to 300 claim 6 , is employed as said oligo- or polysaccharide. The invention relates to a process for the functionalization of a surface, for example, of a substrate intended to have particular surface properties for chemical and biochemical applications, especially as a sample support for analytical purposes, or for immediate physical, chemical, biological and technical applications, for which the surface is to be provided with defined properties and functions. In particular, synthetic polymers and natural polymers, such as polysaccharides and proteins, paper, glass, ceramic, silicon, metals and metal oxides including magnetic materials are used as materials for such surfaces.The modification of surfaces by physical and/or chemical processes is an important procedure for readily changing the properties of ...

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14-01-2021 дата публикации

METHOD

Номер: US20210009777A1
Принадлежит: Jozef Stefan Institute

Methods for modification of surface wettability of fluorine-containing polymers by sequential treatments first with gaseous plasma rich in ultraviolet radiation, and then oxidation using neutral reactive oxidative species. The methods are rapid and permit treatment of fluorine-containing polymers of any shape and size including ‘infinite’ materials such as foils. A surface layer of an object made from a fluorine-containing polymer is depleted of fluorine upon interaction with gaseous plasma rich in ultraviolet radiation. The depleted surface layer is then exposed to reactive oxygen species such as neutral oxygen atoms in the ground state. The wettability of objects made from or containing fluorine-containing polymers treated according to the methods of the present disclosure is close to the theoretical limit for smooth polymers well functionalized with polar functional groups. Unlike conventional treatment of fluorine-containing polymers with oxygen plasma, the methods of the present disclosure do not produce hazardous gases such as oxy or peroxy fluorinated carbon compounds. 1. A method of increasing the hydrophilicity of a fluorine-containing polymer , the method comprising:{'sup': 20', '−2', '−1, '(i) a first step of treating a surface of a fluorine-containing polymer with radiation having a photon energy at least 6 eV and not more than 11.3 eV, and a flux of at least 10ms, to deplete the fluorine content of the surface of the fluorine-containing polymer; then'}{'sup': 24', '26', '−2, '(ii) exposing the treated surface to neutral oxygen atoms in the absence of plasma conditions, the fluence of said neutral oxygen atoms being between 10and 10m.'}2. The method of claim 1 , wherein the flux of radiation having a photon energy of at least 6 eV and not more than 11.3 eV is at most 10ms.3. The method of claim 1 , wherein the method comprises:{'sup': 20', '−2', '−1', '20', '24', '−2', '−1, '(i) a first step of treating the surface of the fluorine-containing polymer ...

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10-01-2019 дата публикации

PHOTOACTIVATABLE FOULING-RESISTANT COPOLYMERS

Номер: US20190010268A1
Принадлежит: Arrow International, Inc.

A photoactivatable fouling-resistant copolymer composed of a photoactivatable monomer and a hydrophilic monomer is disclosed. The photoactivatable monomer includes an aryl ketone derivative having one or more polar groups or alkyl groups. 156-. (canceled)57. A photoactivatable fouling-resistant copolymer comprising:(a) a photoactivatable monomer including an aryl ketone derivative having one or more polar groups or alkyl groups, and(b) a hydrophilic monomer.59. The copolymer of claim 57 , wherein the photoactivatable monomer is present in an amount of 0.1 to 70% by weight based on the total weight of the copolymer.60. The copolymer of claim 57 , wherein the hydrophilic monomer is present in an amount of 30 to 99.9% by weight based on the total weight of the copolymer.61. The copolymer of claim 57 , wherein the photoactivatable monomer comprises the one or more polar groups or alkyl groups.62. The copolymer of claim 57 , wherein the polar group of the photoactivatable monomer comprises at least one of carboxylic acid claim 57 , a sulfonate group claim 57 , a nitro group claim 57 , a hydroxyl claim 57 , carboxy claim 57 , amino claim 57 , amide claim 57 , phosphate or ether group.63. The copolymer of claim 57 , wherein the alkyl group of the photoactivatable monomer or the hydrophilic monomer comprises at least one of a methyl claim 57 , ethyl claim 57 , or propyl group.64. The copolymer of claim 57 , wherein the copolymer has a weight average molecular weight ranging from 5 claim 57 ,000 to 200 claim 57 ,000.65. The copolymer of claim 57 , wherein the photoactivatable monomer comprises at least one unsaturated group.66. The copolymer of claim 57 , wherein the hydrophilic monomer comprises at least one unsaturated group.67. The copolymer of claim 65 , wherein the unsaturated group is a methacrylate claim 65 , acrylate claim 65 , acrylamide claim 65 , vinyl group or mixtures thereof.69. The copolymer of claim 57 , wherein the hydrophilic monomer is a sulfobetaine ...

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09-01-2020 дата публикации

AQUEOUS POLYESTER DISPERSIONS, ARTICLES HAVING A COATING FORMED FROM SUCH AQUEOUS DISPERSIONS, AND METHODS OF COATING

Номер: US20200010692A1
Принадлежит:

An aqueous dispersion comprising: water; a hydrophobic aromatic polyester having a number average molecular weight of greater than 7,000 Daltons; and a water-dispersible aromatic polyester dispersant; wherein the hydrophobic aromatic polyester and the water-dispersible aromatic polyester dispersant form a stable aqueous dispersion; and wherein the hydrophobic aromatic polyester is present in the aqueous dispersion in an amount of less than 50 wt-%, based on the total weight of the hydrophobic aromatic polyester and the water-dispersible aromatic polyester dispersant. 1. An aqueous dispersion comprising:water;a hydrophobic aromatic polyester having a number average molecular weight of greater than 7,000 Daltons; anda water-dispersible aromatic polyester dispersant;wherein the hydrophobic aromatic polyester and the water-dispersible aromatic polyester dispersant form a stable aqueous dispersion; andwherein the hydrophobic aromatic polyester is present in the aqueous dispersion in an amount of less than 50 wt-%, based on the total weight of the hydrophobic aromatic polyester and the water-dispersible aromatic polyester dispersant.2. The aqueous dispersion of comprising particles having a particle size of at least 0.1 micron and up to 0.4 micron.3. The aqueous dispersion of comprising the hydrophobic aromatic polyester in an amount of at least 10 wt-% claim 1 , based on the total weight of the hydrophobic aromatic polyester and the water-dispersible aromatic polyester dispersant.4. The aqueous dispersion of comprising polyester solids in an amount of at least 5 wt-% and up to 40 wt-% claim 1 , based on total weight of the aqueous dispersion.5. The aqueous dispersion of wherein the hydrophobic aromatic polyester has a Tg of at least 50° C.6. The aqueous dispersion of wherein the hydrophobic aromatic polyester comprises at least 30 wt-% and up to 80 wt-% aromatic groups.7. The aqueous dispersion of wherein the water-dispersible aromatic polyester dispersant comprises at ...

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15-01-2015 дата публикации

SEALING MATERIAL AND METHOD FOR PRODUCING SAME

Номер: US20150014946A1
Принадлежит:

Provided is a sealing material that exhibits excellent sealing property at a low contact pressure and a method for producing the same. A sealing material according to the present invention is a sealing material including a metal plate and a foamed rubber layer formed on one surface, or each of both surfaces, of the metal plate, in which the foamed rubber layer has a closed cell rate of 50% or more, and a surface of the foamed rubber layer has a maximum height determined by a method in conformity to JIS B 0601-2001 of 40 μm or less. 1. A sealing material , comprising a metal plate and a foamed rubber layer formed on one surface , or each of both surfaces , of the metal plate , wherein the foamed rubber layer has a closed cell rate of 50% or more , and a surface of the foamed rubber layer has a maximum height Rz determined by a method in conformity to JIS B 0601-2001 of 40 μm or less.2. The sealing material according to claim 1 , wherein a result obtained by a test of a cross-cut method in conformity to JIS K5600-5-6 after immersion in water corresponds to Class 0 claim 1 , Class 1 claim 1 , or Class 2.3. The sealing material according to claim 1 , wherein the foamed rubber layer is formed by foaming a rubber composition layer including a thermally-degradable foaming agent.4. The sealing material according to claim 1 , wherein the foamed rubber layer is formed by heating a rubber composition layer formed on the one surface claim 1 , or each of the both surfaces claim 1 , of the metal plate at a temperature equal to or higher than a cross-linking temperature and lower than a foaming temperature claim 1 , and then heating the rubber composition layer at a temperature equal to or higher than the foaming temperature.5. A method for producing a sealing material including a metal plate and a foamed rubber layer formed on one surface claim 1 , or each of both surfaces claim 1 , of the metal plate claim 1 , the method comprising a step of heating a rubber composition layer ...

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17-01-2019 дата публикации

METHOD FOR DEACETYLATION OF BIOPOLYMERS

Номер: US20190016830A1
Принадлежит: GALDERMA S.A.

A method for at least partial deacetylation of a biopolymer comprising acetyl groups, including: a1) providing a biopolymer including acetyl groups; a2) reacting the biopolymer including acetyl groups with hydroxylamine (NHOH) or a salt thereof at a temperature of 100° C. or less for 2-200 hours to form an at least partially deacetylated biopolymer; and a3) recovering the at least partially deacetylated biopolymer. 1. A method for at least partial deacetylation of a glycosaminoglycan comprising acetyl groups , comprising:a1) providing a glycosaminoglycan comprising acetyl groups;{'sub': '2', 'a2) reacting the glycosaminoglycan comprising acetyl groups with hydroxylamine (NHOH) or a salt thereof at a temperature of 100° C. or less for 2-200 hours to form an at least partially deacetylated glycosaminoglycan; and'}a3) recovering the at least partially deacetylated glycosaminoglycan.2. The method according to claim 1 , wherein the glycosaminoglycan selected from the group consisting of hyaluronic acid claim 1 , chondroitin and chondroitin sulfate claim 1 , and mixtures thereof.3. The method according to claim 1 , wherein the weight average molecular weight of the recovered at least partially deacetylated glycosaminoglycan is at least 10% of the weight average molecular weight of the glycosaminoglycan comprising acetyl groups in step a1).4. The method according to claim 1 , wherein the glycosaminoglycan comprising acetyl groups in step a1) has a degree of acetylation in the range of 98-100%.5. The method according to claim 1 , wherein the recovered at least partially deacetylated glycosaminoglycan has a degree of acetylation at least 1% less than that of the glycosaminoglycan comprising acetyl groups in step a1).6. The method according to claim 1 , wherein step a2) comprises reacting the glycosaminoglycan comprising acetyl groups with the hydroxylamine or salt thereof at a temperature of 100° C. or less.7. (canceled)8. The method according to claim 1 , wherein step a2) ...

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17-01-2019 дата публикации

Method for photo-hardening silicone rubber surface, and molded silicone rubber

Номер: US20190016864A1
Принадлежит: Shin Etsu Chemical Co Ltd

A method for photo-hardening a silicone rubber surface, the method comprising a step (A) in which a surface of a molded silicone rubber is irradiated using, for example, a xenon excimer lamp with vacuum ultraviolet light having a wavelength of 200 nm or less at an irradiation energy in the range of 10-3,000 mJ/cm 2 , thereby forming an oxide layer in the irradiated portion by photooxidation and thus hardening the portion. According to the method, it is possible to harden the surface of the silicon rubber into a wear-resistant surface without causing a change in gloss and while keeping the rubbery feeling intact. It is also possible to improve the oil infiltration resistance of the rubber.

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21-01-2021 дата публикации

MODIFIED WOOD PRODUCT AND A PROCESS FOR PRODUCING SAID PRODUCT

Номер: US20210016466A1
Принадлежит: STORA ENSO OYJ

The present invention relates to a process for preparing a modified wood product wherein the wood is treated with low-molecular weight resin based on lignin degradation products. The present invention also relates to a modified wood product produced using said process. 1. A process for preparing a modified wood product , comprising the steps of:a) providing lignin;b) degrading the lignin into lignin cleavage products;c) fractionating the lignin cleavage products;d) selecting one or more fractions of lignin cleavage products;e) preparing a phenol-formaldehyde resin comprising the selected lignin cleavage products;f) treating wood with the phenol-formaldehyde resin comprising the selected lignin cleavage products to obtain a modified wood product.2. The process according to claim 1 , wherein the lignin is degraded by using sodium hydroxide as catalyst or by using a catalyst and microwave energy.3. The process according to claim 1 , wherein the lignin cleavage products are chemically modified before step c) by hydroxymethylation.4. The process according to claim 1 , wherein the wood has a moisture content of about 12%.5. The process according to claim 1 , wherein the lignin is kraft lignin.6. The process according to claim 1 , wherein the wood has been thermally modified prior to modification with the phenol-formaldehyde resin comprising the selected lignin cleavage products.7. The process according to claim 1 , wherein the wood is densified during or after treatment with the phenol-formaldehyde resin comprising the selected lignin cleavage products.8. A modified wood product obtained by the process according to .9. The modified wood product according to claim 8 , wherein the wood is a softwood or hardwood.10. The process of further comprising:manufacturing cladding, decking, window and door profiles, light poles, jetties, joinery or furniture with the modified wood product.11. The process of further comprising:chemically modifying the selected lignin cleavage products ...

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17-01-2019 дата публикации

ANTIFOULING FILM

Номер: US20190016900A1
Принадлежит: SHARP KABUSHIKI KAISHA

The antifouling film includes a polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light. The polymer layer has a proportion of the number of fluorine atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 33 atom % or more on the surface of the uneven structure and of 3 atom % or less on average in a region 90 to 120 nm deep from the surface of the uneven structure. The polymer layer has a proportion of the number of nitrogen atoms relative to the sum of the numbers of carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms of 4 atom % or less on average in a region 90 to 120 nm deep from the surface of the uneven structure. 1. An antifouling film comprisinga polymer layer that includes on a surface thereof an uneven structure provided with multiple projections at a pitch not longer than a wavelength of visible light,the polymer layer being a cured product of a resin layer containing a release agent and a photo-curable resin and containing carbon atoms, nitrogen atoms, oxygen atoms, and fluorine atoms as constituent atoms,the release agent containing fluorine atoms as constituent atoms,the photo-curable resin containing nitrogen atoms as constituent atoms,fluorine atoms in the release agent being distributed on the surface of the polymer layer,the polymer layer having a proportion of the number of the fluorine atoms relative to the sum of the numbers of the carbon atoms, the nitrogen atoms, the oxygen atoms, and the fluorine atoms measured by X-ray photoelectron spectroscopy of 33 atom % or more on the surface of the uneven structure and of 3 atom % or less on average in a region 90 to 120 nm deep from the surface of the uneven structure,the polymer layer having a proportion of the number of the nitrogen atoms relative to the sum of the numbers of the carbon atoms, the nitrogen atoms, the oxygen atoms, ...

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17-01-2019 дата публикации

Surface-independent, surface-modifying, multifunctional coatings and applications thereof

Номер: US20190016901A1
Принадлежит: Northwestern University

The present invention provides a surface-independent surface-modifying multifunctional biocoating and methods of application thereof. The method comprises contacting at least a portion of a substrate with an alkaline solution comprising a surface-modifying agent (SMA) such as dopamine so as to modify the substrate surface to include at least one reactive moiety. In another version of the invention, a secondary reactive moiety is applied to the SMA-treated substrate to yield a surface-modified substrate having a specific functionality.

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16-01-2020 дата публикации

Surface treatment liquid and hydrophilic treatment method

Номер: US20200017652A1
Принадлежит: Tokyo Ohka Kogyo Co Ltd

An object is to provide a surface treatment liquid which can firmly bond, while coating the surface of a treatment target with an extremely thin film, a coating whose hydrophilicity is unlikely to be lowered even when the coating is brought into contact with fats and the like to the surface of the treatment target and a surface treatment method using the surface treatment liquid described above. In a surface treatment liquid containing a resin (A) and a solvent (S), as the resin (A), a resin is used which includes a constituent unit (a1) that includes an organic group including a quaternary ammonium cation group and having a sulfonic acid anion group at a terminal and that is derived from an N-substituted (meth) acrylamide, and includes a reactive silyl group in at least one of molecular chain terminals, the concentration of the resin (A) in the surface treatment liquid is less than 2 mass % and the pH of the surface treatment liquid is 4 or less.

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21-01-2021 дата публикации

METHOD FOR SURFACE TREATMENT OF SILICONE RUBBER

Номер: US20210017349A1
Автор: ZHANG Chengyu
Принадлежит:

A method for surface treatment of a silicone rubber includes: providing the silicone rubber bearing a polar group on a surface of the silicone rubber, and applying a multifunctional compound to the surface of the silicone rubber bearing the polar group to allow the multifunctional compound to react with the polar group to form a coating. 1. A method for surface treatment of a silicone rubber , comprising:providing the silicone rubber bearing a polar group on a surface of the silicone rubber, andapplying a multifunctional compound to the surface of the silicone rubber bearing the polar group to allow the multifunctional compound to react with the polar group to form a coating.2. The method according to claim 1 , wherein the polar group comprises a hydroxyl group and/or the multifunctional compound comprises at least one of a silane coupling agent claim 1 , specially a cationic silane coupling agent claim 1 , a polyisocyanate and a multifunctional epoxy compound.4. The method according to claim 3 , wherein when the silane coupling agent is the cationic silane coupling agent claim 3 , the method further comprises:applying a hydrophilic compound to the surface of the silicone rubber bearing the polar group to allow the cationic silane coupling agent to react with the polar group and the hydrophilic compound simultaneously.5. The method according to claim 4 , wherein the hydrophilic compound comprises at least one of a hydrophilic monomer and a hydrophilic polymer claim 4 , speciallythe hydrophilic monomer comprises at least one of acrylic acids and acrylates, methacrylic acids and methacrylates, acrylamides, methacrylamides, hydroxyethyl acrylate, hydroxyethyl methacrylate, maleic acids and maleates, fumaric acids and fumarates, and a vinyl-terminated polyethylene glycol homopolymer or copolymer, andthe hydrophilic polymer is a hydroxyl-containing hydrophilic polymer, comprising at least one of polyvinyl alcohol, a polyethylene glycol homopolymer or copolymer, ...

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21-01-2021 дата публикации

SHOE COMPONENT PRETREATMENT SOLUTION AND PRETREATMENT METHOD USING SOLUTION

Номер: US20210017350A1
Принадлежит:

Provided are a shoe component pretreatment solution and a pretreatment method using the solution, wherein the shoe component pretreatment solution comprises an acidic compound, a salt compound, an surfactant and water. The present invention involves applying the shoe component pretreatment solution to a rubber sole, thereby shortening the process of the pretreatment step, and avoids the use of any MEK organic solvents and also avoids the generation of suspended particulates caused by grinding, thus eliminating harm to the human body and the environment, and reducing the costs in terms of time and money. 1. A shoe component pretreatment solution , comprising:acidic compound;salt compound;surfactant; andwater.2. The shoe component pretreatment solution as claimed in comprising:0.25-10 wt % of said acidic compound;0.5-15 wt % of said salt compound;0.05-1.5 wt % of said surfactant; anda proper amount of said water making the sum of said acid compound, salt compound, water, surfactant equal to 100%.3. The shoe component pretreatment solution as claimed in claim 1 , wherein the acidic compound is hydrochloric acid (HCl) or sulfuric acid (HSO).4. The shoe component pretreatment solution as claimed in claim 2 , wherein the acidic compound is hydrochloric acid (HCl) or sulfuric acid (HSO).5. The shoe component pretreatment solution as claimed in claim 1 , wherein the salt compound is selected from the group consisting of Sodium hypochlorite (NaOCl) claim 1 , Sodium dichloroisocyanurate (CClNNaO) and N-Chlorosuccinimide (CHClNO).6. The shoe component pretreatment solution as claimed in claim 2 , wherein the salt compound is selected from the group consisting of Sodium hypochlorite (NaOCl) claim 2 , Sodium dichloroisocyanurate (CClNNaO) and N-Chlorosuccinimide (CHClNO).7. A shoe component pretreatment method by using the pretreatment solution as claimed in comprising the following steps:a step of degreasing including cleaning a rubber surface by dissolving oily substances and ...

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21-01-2021 дата публикации

METHOD FOR DEGRADING RESIN MOLDED BODY AND DEGRADABLE RESIN PRODUCT

Номер: US20210017355A1
Принадлежит: P-Life Japan Inc.

Thermoplastic resin, especially in resin moldings whose main raw material is polyolefin-based resin, does not impair mechanical strength, water resistance, chemical resistance at the time of production, and does not require specific disposal means. Provided are a method for decomposing a resin molded body capable of decomposing a body and a degradable resin product. Decomposition treatment of a resin molded body that includes decomposing a resin molded body by applying a decomposition treatment liquid containing a plurality of fatty acid metal salts having different oxidation numbers by any method of coating, spraying, spraying or dipping a degradable resin product to which the decomposition treatment method is applied. 19-. (canceled)10. A method for decomposing a resin molded body , comprising:applying a decomposition treatment liquid containing a plurality of fatty acid metal salts having different oxidation numbers by any method of coating, disseminating, spraying or dipping.11. The method for decomposing a resin molded body according to claim 10 , wherein metal elements contained in the fatty acid metal salt are a combination of a transition metal element and a rare earth element.12. The method for decomposing a resin molded body according to claim 11 , wherein the transition metal element is manganese whereas the rare earth element is cerium13. The method for decomposing a resin molded body according to claim 10 , wherein the fatty acid contained in the fatty acid metal salt is oleic acid.14. The method for decomposing a resin molded body according to claim 10 , wherein the decomposition treatment liquid is diluted in a hydrocarbon oil claim 10 , and is applied by any method of coating claim 10 , disseminating claim 10 , spraying or dipping.15. The method for decomposing a resin molded body according to claim 10 , wherein the resin molded body is made of a thermoplastic resin as a main raw material.16. The method for decomposing a resin molded body according ...

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22-01-2015 дата публикации

Method and apparatus for extracting target molecules from a liquid by binding them to an activated polymer surface

Номер: US20150021263A1
Автор: Leone Anna Madeleine
Принадлежит:

An apparatus and method for producing the apparatus that is used to bind one or more different types of target molecules to a polymer surface that has been treated, and thereby activated, according to the method. A three or four step process to activate the surface is described. After activation, a fifth step immerses the activated surface into a liquid which binds a quantity of the target molecules to the polymer surface by chemical binding and/or by molecularly imprinted polymers and/or by modified carbon nanotubes. The method is used to convert an inert polymer surface into the activated surface. Either ion exchange binding (3 step process) or binding by the use of molecularly imprinted polymers and/or carbon nanotubes (four step process) or both are simultaneously used to provide the apparatus that is capable of binding and thereby extracting a quantity of the target molecules from the liquid. 1. A method for treating a surface of a polymer , comprising the steps of:chemically treating at least a portion of the surface of the polymer sufficient to provide an activated polymer surface, wherein said activated polymer surface is able to bind one or more target molecules that are disposed in a water-based liquid to said activated polymer surface during a step of placing said activated polymer surface in contact with said water-based liquid for a predetermined period of time.2. The method of wherein the step of placing said activated polymer surface in contact with said water-based liquid includes the step of inserting said activated polymer surface into said water-based liquid for said predetermined period of time.3. The method of including the additional step of stirring said water-based liquid for said predetermined period of time after the step of inserting said activated polymer surface into said water-based liquid.4. The method of wherein the method for treating a surface of polymer includes the step of treating a portion of a surface of a spoon claim 1 , ...

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18-01-2018 дата публикации

DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

Номер: US20180019438A1
Принадлежит:

A display apparatus and a method of manufacturing a display apparatus, the apparatus including a substrate; a display on the substrate; and an encapsulation layer that seals the display, wherein the encapsulation layer includes a matrix including an organic material, and an inorganic material bonded to the organic material through functional groups of the organic material of the matrix, wherein the matrix includes an internal space adjacent to the organic material, the inorganic material being positioned in the internal space. 1. A display apparatus , comprising:a substrate;a display on the substrate; andan encapsulation layer that seals the display, a matrix including an organic material, and', 'an inorganic material bonded to the organic material through functional groups of the organic material of the matrix,, 'wherein the encapsulation layer includeswherein the matrix includes an internal space adjacent to the organic material, the inorganic material being positioned in the internal space.2. The display apparatus as claimed in claim 1 , wherein an amount of the inorganic material in the internal space is greater than an amount of the inorganic material on a surface of the matrix.3. The display apparatus as claimed in claim 1 , wherein the functional groups present on a surface of the matrix are inactive with respect to the inorganic material.4. The display apparatus as claimed in claim 1 , wherein the functional groups are not present on the surface of the matrix.5. The display apparatus as claimed in claim 3 , wherein:the matrix further includes a third material that does not react with the inorganic material, andthe functional groups present on the surface of the matrix are combined with the third material.6. The display apparatus as claimed in claim 1 , further comprising an inorganic layer that covers the display claim 1 , the inorganic layer being between the display and the encapsulation layer.7. A method of manufacturing a display apparatus claim 1 , the ...

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24-01-2019 дата публикации

CONTROLLING SURFACE DISPERSIBILITY IN THERMOPLASTIC INJECTION MOLDED AND FLUSHABLE MATERIALS

Номер: US20190021914A1
Принадлежит:

An injection-molded article includes a water-dispersible injection-moldable composition including 82 wt. % to 86 wt. % partially-hydrolyzed polyvinyl alcohol (PVOH), 11 wt. % to 13 wt. % plasticizer, and 3 wt. % to 5 wt. % total colorant and slip additives, wherein the injection-molded article has an outer surface, and wherein the composition at the outer surface is surface cross-linked. A method for controlling the dispersibility of an injection-molded article having an outer surface includes formulating a water-dispersible injection-moldable composition including 82 wt. % to 86 wt. % partially-hydrolyzed polyvinyl alcohol (PVOH), 11 wt. % to 13 wt. % plasticizer, and 3 wt. % to 5 wt. % total colorant and slip additives; injection molding the single resin composition into the injection-molded article; and treating the outer surface to increase the cross-linking of the composition at the outer surface. 1. An injection-molded article comprising:a water-dispersible injection-moldable composition comprising:82 wt. % to 86 wt. % partially-hydrolyzed polyvinyl alcohol (PVOH),11 wt. % to 13 wt. % plasticizer, and3 wt. % to 5 wt. % total colorant and slip additives,wherein the injection-molded article has an outer surface, and wherein the composition at the outer surface is surface cross-linked.2. The injection-molded article of claim 1 , wherein the composition at the outer surface has a higher degree of cross-linking than the rest of the composition in the injection-molded article.3. The injection-molded article of claim 1 , wherein the outer surface is surface cross-linked using electron beam radiation.4. The injection-molded article of claim 1 , wherein the composition further comprises a cross-linking accelerant.5. The injection-molded article of claim 4 , wherein the cross-linking accelerant is methylene bisacrylamide.6. The injection-molded article of claim 1 , wherein the composition at the outer surface has a lower water dispersibility than the rest of the ...

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26-01-2017 дата публикации

Thermoplastic composition

Номер: US20170022358A1
Принадлежит: MITSUBISHI CHEMICAL EUROPE GMBH

A thermoplastic composition including: a) 30-97 wt % of an aromatic polycarbonate; b) 0.5-25 wt % of a laser direct structuring additive; and c) 2-15 wt % of a methylmethacrylate butadiene styrene based rubber; d) 0.1-15 wt % of one or more conductive track adhesion agents selected from the group consisting of an organic phosphate, a phosphazene compound and a hypophosphorous acid metal salt, wherein a molded part of the composition provided with a conductive track made by a laser radiation and a subsequent metallization has a classification 0 as determined according to ISO2409:2013 after being subjected to conditions of 65° C. and 85% Relative Humidity for 24 hours.

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17-04-2014 дата публикации

FIXING MEMBER, METHOD FOR MANUFACTURING THE SAME, FIXING APPARATUS, AND IMAGE FORMING APPARATUS

Номер: US20140107250A1
Принадлежит: CANON KABUSHIKI KAISHA

The present invention relates to a fixing member including a surface layer containing PFA, the fixing member being excellent in wear resistance and having high release properties to a toner. The fixing member includes a base member, an elastic layer provided on the surface of the base member, and a surface layer, wherein the surface layer contains a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer having a particular partial structure, and has a surface having a contact angle of 67 degrees or more as measured in a mixed liquid for a wetting tension test having a wetting tension of 31.0 mN/m. 2. The fixing member according to claim 1 , wherein the surface layer is one manufactured by irradiating a layer containing a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer with ionizing radiation in the absence of oxygen at a temperature in the vicinity of the melting point of the tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer claim 1 , and thereafter heating the resultant at the melting point of the tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer or higher.3. The fixing member according to claim 1 , wherein the elastic layer contains a silicone rubber.4. The fixing member according to claim 1 , wherein the base member contains at least one resin selected from the group consisting of polyimide claim 1 , polyamidimide and polyethersulfone.5. The fixing member according to claim 1 , wherein the base member contains nickel or stainless.6. The fixing member according to claim 1 , wherein the thickness of the base member is 20 to 60 μm.7. A fixing apparatus comprising the fixing member according to claim 1 , a heating device of the fixing member claim 1 , and a pressure member arranged opposite to the fixing member.8. An image forming apparatus provided with the fixing apparatus according to .10. The method for manufacturing a fixing member according to claim 9 , whereinin the step (1), the temperature of the film containing the ...

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22-01-2015 дата публикации

Hydrogel Adhesion to Molded Polymers

Номер: US20150025170A1
Автор: Alarcon Javier
Принадлежит: BECTON, DICKINSON AND COMPANY

Methods for adhering a hydrogel matrix to a molded polymer substrate and its use as a biosensor, e.g., a continuous or episodic glucose monitor, are disclosed. The presently disclosed subject matter provides a method for adhering a hydrogel matrix to a molded polymer substrate, the method comprising: (a) molding a polymer comprising one or more polymer chains with an oxidizer to form a molded polymer substrate; (b) providing a hydrogel matrix comprising a hydrogel, a component comprising one or more acrylate groups or another functional group that can form one or more radicals upon polymerization in the molded polymer substrate, and a photo initiator; (c) combining the molded polymer substrate and the hydrogel matrix; and (d) curing the combined molded polymer substrate and hydrogel matrix for a period of time. 1. A method for adhering a hydrogel matrix to a molded polymer substrate , the method comprising:(a) molding a polymer comprising one or more polymer chains with an oxidizer to form a molded polymer substrate, wherein the oxidizer breaks the one or more polymer chains, and wherein the one or more polymer chains can recombine while retaining one or more putative radicals in the molded polymer substrate;(b) providing a hydrogel matrix comprising a hydrogel, a component comprising one or more acrylate groups or another functional group that can form one or more radicals upon polymerization in the molded polymer substrate, and a photoinitiator;(c) combining the molded polymer substrate and the hydrogel matrix; and(d) curing the combined molded polymer substrate and hydrogel matrix for a period of time to covalently bind the hydrogel matrix to the molded polymer substrate, thereby adhering the hydrogel matrix to the molded polymer substrate.2. The method of claim 1 , wherein the hydrogel matrix comprises polyethylene glycol dimethacrylate.3. The method of claim 1 , wherein the component comprising one or more acrylate groups comprises a polyethylene glycol having ...

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10-02-2022 дата публикации

Polymer Compositions Having an Improved Printable Surface and Related Methods

Номер: US20220041822A1
Принадлежит: Dover Chemical Corp

A composition having a polymer-film composition having a compound having the structure: wherein: each R is independently selected; each R is a C 1-20 alkyl moiety, C 2-22 alkenyl moiety, C 6-40 cycloalkyl moiety, C 6-40 cycloalkylene moiety, C 2-20 alkyl glycol ether moiety, C 10 -C 16 linear alkyl alcohol moiety, or Y—OH moiety; each Y is a C 2-40 alkylene moiety, C 6-40 cycloalkylene moiety, C 2-20 alkylene glycol ether, or a C 3-40 alkylene lactone; m is an integer ranging from 1 to 100; x is an integer ranging from 2 to 1,000; and the polymer-film composition having an oxidized polymer-film surface.

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23-01-2020 дата публикации

LOW-GLOSS CURED PRODUCT HAVING EXCELLENT STAIN RESISTANCE, AND MANUFACTURING METHOD THEREFOR

Номер: US20200024439A1
Принадлежит:

The present invention relates to a cured product having excellent stain resistance and low gloss, a method of manufacturing the same, and an interior material including the cured product. The cured product according to the present invention is formed by sequentially applying light in different specific wavelength ranges to a composition to cure the composition, thereby being capable of realizing a low gloss of 9 or less, based on a 60 degree gloss meter, without use of a matting agent and excellent stain resistance and exhibiting excellent abrasion resistance. Accordingly, the cured product may be usefully used as an interior material such as a flooring material. 1. A cured product formed of an acrylic resin composition ,wherein the cured product has a surface gloss of 9 or less under a 60° gloss condition, andan average color coordinate deviation (ΔE) before and after iodine contamination of a surface of the cured product that has been contaminated with 1 vol % of an iodine solution at 22±1° C. and 50±5% RH and, after 60 minutes, washed for stain resistance evaluation is 1 or less.2. The cured product according to claim 1 , wherein a weight change in the cured product subjected to a Taber abrasion resistance test 500 times using an H-18 abradant is 400 mg or less.3. The cured product according to claim 1 , wherein the composition comprises 1 to 60 parts by weight of an acrylic oligomer; and 30 to 100 parts by weight of a monomer claim 1 ,wherein the composition comprises 2 parts by weight or less of an initiator based on 100 parts by weight of a sum of the acrylic oligomer and the monomer.4. The cured product according to claim 1 , wherein the acrylic oligomer has a weight average molecular weight (Mw) of 100 to 50 claim 1 ,000.5. The cured product according to claim 1 , wherein the monomer comprises one or more monomers selected from the group consisting of 2-hydroxypropyl(meth)acrylate claim 1 , 4-hydroxybutyl (meth)acrylate claim 1 , 6-hydroxyhexyl (meth) ...

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24-01-2019 дата публикации

Display apparatus and method of manufacturing the same

Номер: US20190027704A1
Принадлежит: Samsung Display Co Ltd

A display apparatus and a method of manufacturing a display apparatus, the apparatus including a substrate; a display on the substrate; and an encapsulation layer that seals the display, wherein the encapsulation layer includes a matrix including an organic material, and an inorganic material bonded to the organic material through functional groups of the organic material of the matrix, wherein the matrix includes an internal space adjacent to the organic material, the inorganic material being positioned in the internal space.

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24-04-2014 дата публикации

FILM HAVING WATER, GREASE, GAS AND WATER VAPOR BARRIER PROPERTIES

Номер: US20140113080A1
Принадлежит:

Film having liquid-water, grease, gas and water-vapour barrier properties, comprising a PVA film grafted on the surface with a fatty acid. 2. Process according to wherein the temperature ranges from 70° C. to 185° C.3. Process according to wherein the activated fatty acid is a fatty acid chloride.4. Process according to wherein the substrate is placed in a ventilated chamber.5. Process according to claim 1 , wherein the substrate is a cellulosic material.6. Process according to claim 1 , wherein the coating enables the deposition of a PVA film having a thickness greater than 0.1 μm.7. Process according to claim 1 , wherein the fatty acid is a fatty acid having an aliphatic chain including 16 to 22 carbon atoms.8. Process according to claim 1 , wherein the fatty acid is chosen from the group consisting of stearic acid claim 1 , palmitic acid and behenic acid.9. Process according to wherein the activated fatty acid is stearic acid chloride.10. Process according to wherein the deposition is performed by flexography or heliography. This application is a Continuation of application Ser. No. 12/810,718, filed on Oct. 5, 2010. Application Ser. No. 12/810,718 is the National Phase of PCT International Application Number PCT/EP2008/068145 filed on Dec. 22, 2008, and claims priority under 35 U.S.C. §119(a) to Patent Application Number 0760355 filed in France on Dec. 26, 2007, all of which are hereby expressly incorporated by reference into the present application.This invention relates to a film with water, grease, gas and water vapor barrier properties as well as the processes for obtaining same. This film may be formed at the surface of a wide variety of substrates in order to modify the barrier properties thereof. For certain applications, in particular in the field of food packaging, the film with barrier properties is formed on cellulosic substrates such as paper or cardboard.Currently, barrier packagings (barriers to gases, aromas) are the result of various assemblies: ...

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04-02-2016 дата публикации

METHOD OF MAKING A CROSSLINKED OVERMOLDED ASSEMBLY

Номер: US20160032067A1
Автор: Rowley William W.
Принадлежит:

A process for making a crosslinked assembly includes steps of: selecting a desired performance parameter for a molded assembly of a first polymeric component and a second polymeric component bonded to the first polymeric component, controlling a first crosslinking percentage for the first polymeric component and a second crosslinking percentage for the second polymeric component independently to provide the desired performance parameter for the assembly, orienting the assembly at an angle between an orientation axis of the assembly and a electron beam direction, exposing the oriented assembly a predetermined number of times (N) to the electron beam operable to deliver a predetermined amount of radiation (R) in the electron beam direction providing a total radiation exposure proportional to (N×R) providing the first component crosslinking percentage and the second component crosslinking percentage, the resulting assembly having the desired performance parameter. 118-. (canceled)19. A process for making a crosslinked assembly comprising the steps of:selecting a desired performance parameter for a molded assembly of a first polymeric component of a first thermoplastic material having a first component wall thickness and a first connection portion, and a second polymeric component of a second thermoplastic material having a second component wall thickness and a second connection portion bonded to the first connection portion,varying for each of the first polymeric component and second polymeric component independently at least one parameter selected from the group consisting of antioxidant additive, crosslinking agent additive, filler additive, pigment additive, and polymer density to provide the desired performance parameter for the assembly after crosslinking by an electron beam operable to deliver a predetermined amount of radiation (R),orienting the assembly at an angle (A) between an orientation axis of the assembly and an electron beam direction,exposing the ...

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01-02-2018 дата публикации

MODIFIED ACRYLIC RESIN CURED PRODUCT, AND LAMINATE THEREOF, AND PRODUCTION METHODS THEREFOR

Номер: US20180030230A1
Автор: OKAZAKI Koju
Принадлежит: Mitsui Chemicals, Inc.

The purpose of the present invention is to provide a modified acrylic resin cured product, particularly, a modified acrylic resin film, having excellent lubricity and excellent transparency, and a laminate including the modified acrylic resin film. The modified acrylic resin cured product (C) according to the present invention is obtained by treating the surface of a cured product (X) including an acrylic resin by using a compound (A) containing, in each molecule, one or more anionic hydrophilic groups forming an ion pair with an onium ion of an amino silicone, and one or more groups selected from the group consisting of a group containing a polymerizable carbon-carbon double bond, an amino group, a mercapto group and a hydroxy group. 1. A modified acrylic resin cured product (C) obtained by treating the surface of a cured product (X) composed of an acrylic resinwith a compound (A) comprising, in the molecule,one or more of anionic hydrophilic groups forming an ion pair with an onium ion of an amino silicone, andone or more of groups selected from the group consisting of groups containing a polymerizable carbon-carbon double bond, amino groups, mercapto groups, and hydroxyl groups.2. The modified acrylic resin cured product (C) according to claim 1 , wherein the amino silicone has a molecular weight of 100 to 1 claim 1 ,000 claim 1 ,000.4. The modified acrylic resin cured product (C) according to claim 1 , wherein the surface treatment is carried out in the copresence ofa compound (A′) comprising, in the molecule,one or more of anionic hydrophilic groups forming an ion pair with one or more selected from the group consisting of hydrogen ions, alkali metal ions, alkaline earth metal ions, ammonium ions, and amine ions other than an onium ion of the amino silicone, andone or more of groups selected from the group consisting of groups containing a polymerizable carbon-carbon double bond, amino groups, mercapto groups, and hydroxyl groups.7. The modified acrylic resin ...

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30-01-2020 дата публикации

METHOD FOR PREPARING ACYLATED CROSSLINKED GLYCOSAMINOGLYCANS

Номер: US20200030219A1
Принадлежит: GALDERMA S.A.

A method of preparing a hydrogel product including crosslinked glycosaminoglycan molecules, said method including: i) providing a glycosaminoglycan crosslinked by amide bonds, wherein the crosslinked glycosaminoglycans include residual amine groups; and ii) acylating residual amine groups of the crosslinked glycosaminoglycans provided in i) to form acylated crosslinked glycosaminoglycans. 1. A method of preparing a hydrogel product comprising crosslinked glycosaminoglycan molecules , said method comprising:i) providing a glycosaminoglycan crosslinked by amide bonds, wherein the crosslinked glycosaminoglycans comprise residual amine groups; andii) acylating residual amine groups of the crosslinked glycosaminoglycans provided in i) to form acylated crosslinked glycosaminoglycans.2. A method according to claim 1 , wherein i) comprises the steps:a) providing a solution comprising an at least partially deacetylated glycosaminoglycan and optionally a second glycosaminoglycan;b) activating carboxyl groups on the at least partially deacetylated glycosaminoglycan and/or the optional second glycosaminoglycan with a coupling agent, to form activated glycosaminoglycans;c) crosslinking the activated glycosaminoglycans via their activated carboxyl groups using amino groups of the at least partially deacetylated glycosaminoglycans to provide glycosaminoglycans crosslinked by amide bonds.3. A method according to claim 2 , whereinthe at least partially deacetylated glycosaminoglycan is selected from the group consisting of deacetylated hyaluronic acid, deacetylated chondroitin and deacetylated chondroitin sulfate, and mixtures thereof.4. A method according to claim 2 , wherein the at least partially deacetylated glycosaminoglycan is deacetylated hyaluronic acid.5. A method according to claim 2 , wherein the at least partially deacetylated glycosaminoglycan has a degree of acetylation of 99% or less claim 2 , and a weight average molecular weight of 0.1 MDa or more.6. A method ...

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31-01-2019 дата публикации

CHROME-FREE ETCH SOLUTIONS FOR CHEMICALLY RESISTANT POLYMER MATERIALS

Номер: US20190032220A1
Автор: Mulzer Catherine
Принадлежит:

Chemically resistant polymers are etched using a chrome-free etch solution which is aqueous and alkaline. The chrome-free etch aqueous alkaline solution is environmentally friendly and can be used in the preparation of chemically resistant polymers for electroless metal plating including the plating of through-hole walls in the manufacture of printed circuit boards. 1. A method comprising:a. providing a substrate comprising one or more organic polymers chosen from acrylonitrile butadiene styrene and acrylonitrile butadiene styrene-polycarbonate;b. providing an aqueous alkaline etch composition composed of hydrogen peroxide and one or more sources of hydroxide ions; andc. applying the aqueous alkaline etch composition to the substrate to etch at least the one or more organic polymers chosen from acrylonitrile butadiene styrene and acrylonitrile butadiene styrene-polycarbonate.2. The method of claim 1 , further comprising cleaning the substrate prior to applying the aqueous alkaline etch composition to the substrate.3. The method of claim 1 , further comprising treating the substrate with a solvent swell.4. The method of claim 3 , further comprising treating the solvent swell treated and etched substrate with a conditioner.5. The method of claim 4 , further comprising contacting the solvent swell treated claim 4 , etched and conditioned substrate with a catalyst.6. The method of claim 5 , further comprising contacting the solvent swell treated claim 5 , etched claim 5 , conditioned and catalyzed substrate with an electroless metal plating bath to electroless plate metal on the solvent swell treated claim 5 , etched and conditioned substrate.7. The method of claim 1 , wherein the hydrogen peroxide ranges from 10 g/L to 15 g/L of the aqueous alkaline etch composition.8. The method of claim 1 , wherein the one or more sources of hydroxide ions ranges from 5 g/L to 30 g/L.9. The method of claim 1 , wherein the aqueous alkaline etch composition has a pH of 10 or greater.10 ...

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04-02-2021 дата публикации

Method for manufacturing liquid ejection head and liquid ejection head

Номер: US20210031523A1
Принадлежит: Canon Inc

Provided is a method for manufacturing a liquid ejection head including an ejection orifice for ejecting a liquid, a substrate and a flow path forming member that is joined to the substrate to form a liquid flow path communicating with the ejection orifice, the method including: (1) forming a resin layer having a flow path mold pattern, on the substrate; (2) adding a hydrophilizing material represented by Chemical Formula 1 to an entire surface layer of the resin layer; (3) forming a covering resin layer serving as the flow path forming member, on the resin layer and forming a compatible layer containing the resin layer, the covering resin layer and the hydrophilizing material, at an interface between the resin layer and the covering resin layer; (4) forming the ejection orifice by exposing the covering resin layer; and (5) forming a flow path by removing the resin layer.

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30-01-2020 дата публикации

CALCIUM-DOPED MAGNESIUM CARBONATE-POLYMER-BASED SYNERGISTIC PHASE CHANGE COMPOSITE

Номер: US20200032020A1

A heat energy storage system may have a shape-stabilized composite prepared using an easy impregnation method involving a porous Ca-doped MgCOmatrix and PEG as the functional phase. The heat storage capability, microstructures, and interactions with the PEG/CaMgCOcomposite can be characterized by DSC, SEM imaging, FT-IR spectroscopy, and TGA. Likely because of the synergistic phase change effect of CaMgCOand PEG, the PEG/CaMgCOcomposites can have high thermal enthalpies, and their enthalpy efficiencies are substantially higher than those of traditional shape stabilized PCMs. The functional material PEG can permeate porous CaMgCOmatrices under capillary action. Liquid PEG can be stabilized within the porous matrix, and/or the CaMgCOmatrix can improve the thermal stability of the PEG. The high heat energy storage properties and good thermal stability of such organic-inorganic composites offers utility in a range of applications, including thermal energy storage. 1: A phase change composite , comprising:an organic component comprising, based on total organic mass, at least 75 wt % of a thermoplastic polymer; andan inorganic porous matrix comprising, based on total inorganic mass, at least 50 wt % calcium ion doped magnesium carbonate,wherein at least a portion of the organic component is encapsulated in the porous matrix.2: The composite of claim 1 , wherein the thermoplastic polymer is a polyether.3: The composite of claim 1 , wherein the thermoplastic polymer is polyethylene glycol claim 1 , polypropylene glycol claim 1 , polyoxetane claim 1 , or a mixture of two or more of any of these.4: The composite of claim 1 , wherein the thermoplastic polymer is polyethylene glycol.5: The composite of claim 1 , wherein the thermoplastic polymer has a number-average molecular weight in the range of from 1 claim 1 ,000 to 50 claim 1 ,000.6: The composite of claim 1 , wherein the thermoplastic polymer is a polyethylene glycol having a number-average molecular weight in the range ...

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04-02-2021 дата публикации

METHOD FOR SELECTIVELY BINDING TARGET MOLECULE TO POLYMER MOLDED BODY AND METHOD FOR PRODUCING TARGET MOLECULE-BOUND POLYMER MOLDED BODY USING THE SAME

Номер: US20210032428A1
Принадлежит:

The present invention provides a new method for modifying a polymer molded body and binding a target molecule. The method for selectively binding a target molecule to a polymer molded body of the present invention includes: a pretreatment step of irradiating a selected surface of a polymer molded body with light in the presence of a compound radical; and a binding step of reacting a target molecule with the polymer molded body after the pretreatments to bind the target molecule to the selected surface of the polymer molded body, wherein the compound radical is a radical containing one element selected from the group consisting of Group 15 elements and Group 16 elements, and a Group 17 element. 1. A method for selectively binding a target molecule to a polymer molded body , comprising:a pretreatment step of irradiating a compound radical with light in a reaction system comprising a polymer molded body and the compound radical to modify a surface of the polymer molded body; anda binding step of bringing a target molecule into contact with the polymer molded body after the pretreatments to bind the target molecule to a selected surface of the polymer molded body, whereinin the pretreatment step,the selected surface is modified by selectively irradiating the selected surface on the surface of the polymer molded body with light in a presence of the compound radical, or irradiating the compound radical with light while masking a surface other than the selected surface on the surface of the polymer molded body, wherein the compound radical is a radical containing one element selected from the group consisting of Group 15 elements and Group 16 elements, and a Group 17 element.2. The method according to claim 1 , whereinthe target molecule is at least one functional molecule selected from the group consisting of coloring molecules, fluorescent molecules, biological molecules, drug molecules, catalyst molecules, coating material molecules, fragrance molecules, adsorbate ...

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04-02-2021 дата публикации

ORGANIC RESIN LAMINATE

Номер: US20210032429A1
Принадлежит:

An organic resin laminate comprising an organic resin substrate and a multilayer coating system on a surface of the substrate is provided. The multilayer coating system can include a plasma layer which is a dry hard coating obtained from plasma polymerization of an organosilicon compound, and an intermediate layer (II) on the substrate which is a cured coating of a wet coating composition comprising (A) a specific reactive UV absorber, (B) a multi-functional (meth)acrylate, and (C) a photopolymerization initiator. (B) a multi-functional (meth)acrylate, and (C) a photopolymerization initiator. The laminate has a high level of abrasion resistance and improved adhesion and weather resistance. 2. The method of claim 1 , wherein the first oxygen flow rate of less than or equal to 100 sccm per plasma source.3. The method of claim 2 , wherein the first oxygen flow rate of less than or equal to 50 sccm per plasma source.4. The method of claim 3 , wherein the first oxygen flow rate of less than or equal to 10 sccm per plasma source.6. The method of claim 1 , wherein the first plasma coating is deposited using expanding thermal plasma deposition.7. The method of claim 1 , further comprising flashing off solvent from the wet coating before the UV curing.8. The method of claim 1 , further comprising molding the substrate prior to applying the wet coating claim 1 , wherein the organic resin substrate comprises polycarbonate claim 1 , a blend comprising polycarbonate claim 1 , or a copolymer comprising polycarbonate.9. The method of claim 1 , further characterized in that the laminate shows a value of at least 97% in an adhesion test of immersing in ion exchanged water at 65° C. for 10 days according to ASTM D870 and measuring adhesion by a tape test according to ASTM D3359-09 claim 1 , Test Method B.10. The method of claim 1 , wherein the delta haze value is up to 2.0%.11. The method of claim 1 , wherein the multi-functional (meth)acrylate comprises urethane (meth)acrylates ...

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04-02-2021 дата публикации

COMPOSITIONS ON PLASMA-TREATED SURFACES

Номер: US20210032685A1
Принадлежит: GEN-PROBE INCORPORATED

The disclosure provides solid compositions such as lyophilisates adhered to surfaces such as plasma-treated surfaces and related methods, uses, kits, intermediates, starting materials, and downstream products. 1. A method of preparing a solid composition adhered to a plasma-treated surface , the method comprising drying a solution on the plasma-treated surface and forming a solid composition from the solution , the solid composition being adhered to the plasma-treated surface.2. The method of claim 1 , wherein the plasma-treated surface is a surface treated with a cold cathode discharge claim 1 , hollow cathode discharge claim 1 , DC-induced discharge claim 1 , radio frequency (RF)-induced discharge claim 1 , corona discharge claim 1 , glow discharge claim 1 , or charged particle beam.3. The method of claim 1 , wherein the method comprises preparing the plasma-treated surface by treating a surface with a corona discharge at a watt density ranging from about 25 watt/min/mto about 2000 watt/min/m claim 1 , about 50 watt/min/mto about 1500 watt/min/m claim 1 , about 100 to about 1200 watt/min/m claim 1 , about 200 to about 1000 watt/min/m claim 1 , about 100 to about 600 watt/min/m claim 1 , or about 200 watt/min/mto about 600 watt/min/mor claim 1 , wherein the surface was treated with a corona discharge at a watt density ranging from about 25 watt/min/mto about 2000 watt/min/m claim 1 , about 50 watt/min/mto about 1500 watt/min/m claim 1 , about 100 to about 1200 watt/min/m claim 1 , about 200 to about 1000 watt/min/m claim 1 , about 100 to about 600 watt/min/m claim 1 , or about 200 watt/min/mto about 600 watt/min/m.4. The method of claim 1 , wherein the solution comprises one or more of water claim 1 , a buffer claim 1 , an organic buffer claim 1 , a polar organic solvent claim 1 , ethanol claim 1 , isopropanol claim 1 , DMSO claim 1 , glycerol claim 1 , a non-polar organic solvent claim 1 , a bulking agent claim 1 , a saccharide claim 1 , sucrose claim 1 , mannitol ...

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09-02-2017 дата публикации

SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC BODY

Номер: US20170037211A1
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

Methods are provided for surface-modifying a rubber vulcanizate or a thermoplastic elastomer. The methods allow these rubber vulcanizate or thermoplastic elastomer objects to have a lubricating surface layer chemically fixed thereon, instead of having a resin coating which has drawbacks such as a reduction in lubricity due to e.g. separation or peeling of the coating during movement within a vessel or tract. The present invention relates to a method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points on a surface of the object; and step 2 of radically polymerizing a monomer starting from the polymerization initiation points by irradiation with ultraviolet light having a wavelength of 300 to 400 nm in the presence of an alkali metal salt to grow polymer chains on the surface of the object. 1. A method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic elastomer , the method comprising:step 1 of forming polymerization initiation points on a surface of the object; andstep 2 of radically polymerizing a monomer starting from the polymerization initiation points by irradiation with ultraviolet light having a wavelength of 300 to 400 nm in the presence of an alkali metal salt to grow polymer chains on the surface of the object.2. A method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic elastomer , the method comprisingstep I of radically polymerizing a monomer by irradiation with ultraviolet light having a wavelength of 300 to 400 nm in the presence of a photopolymerization initiator and an alkali metal salt to grow polymer chains on a surface of the object.3. The method according to claim 1 ,wherein the step 1 comprises adsorbing a photopolymerization initiator onto a surface of the object, optionally followed by irradiation with ultraviolet light having a wavelength of 300 to 400 nm, to form ...

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09-02-2017 дата публикации

METHOD FOR MODIFYING SURFACE AND SURFACE MODIFIED ELASTIC BODY

Номер: US20170037212A1
Автор: Minagawa Yasuhisa
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The present invention provides a method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, which can cost-effectively provide a variety of functions, such as remarkable sliding properties or biocompatibility, according to the application. The present invention relates to a method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer as a modification target, the method including: step 1 of forming polymerization initiation points A on a surface of the modification target; step 2 of radically polymerizing a non-functional monomer starting from the polymerization initiation points A to grow non-functional polymer chains; step 3 of washing the modification target on which the non-functional polymer chains are grown; step 4 of forming polymerization initiation points B on a surface of the non-functional polymer chains; and step 5 of radically polymerizing a fluorine-containing functional monomer starting from the polymerization initiation points B to grow fluorine-containing functional polymer chains. 133-. (canceled)34. A method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer as a modification target , the method comprising:step 1 of forming polymerization initiation points A on a surface of the modification target;step 2 of radically polymerizing a non-functional monomer starting from the polymerization initiation points A to grow non-functional polymer chains;step 3 of washing the modification target on which the non-functional polymer chains are grown;step 4 of forming polymerization initiation points B on a surface of the non-functional polymer chains; andstep 5 of radically polymerizing a fluorine-containing functional monomer starting from the polymerization initiation points B to grow fluorine-containing functional polymer chains,the washing being carried out with at least one selected from the group consisting of hot water at a temperature of 50° C. to 150° C., steam, and an organic solvent,the non ...

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24-02-2022 дата публикации

PHENYLPHOSPHINE OXIDE AND OXYGEN STABLE EPOXY POLYMERS AND METHODS OF SYNTHESIS

Номер: US20220056198A1
Принадлежит: THE UNIVERSITY OF SOUTHERN MISSISSIPPI

A polymer formed of at least one phenylphosphine oxide functional epoxide crosslinked with at least one phenylphosphine oxide amine such that the polymer has phosphorous concentrations of at least about 8 percent by weight, at least about 8.5 percent by weight, or any value or range of values therebetween. 3. The phenylphosphine oxide epoxy-amine composition of claim 2 , wherein the aryl groups of the polymer are one of substituted aryl groups and unsubstituted aryl groups and at least one of the phenyl groups includes one of an epoxide and an epoxide-reactive substitutent (X).5. The phenylphosphine oxide epoxy-amine composition of claim 1 , wherein said composition has a phosphorous concentration of at least about 5 percent by weight.6. The phenylphosphine oxide epoxy-amine composition of claim 1 , wherein said composition has a phosphorous concentration of at least about 8 percent by weight.7. The phenylphosphine oxide epoxy-amine composition of claim 1 , wherein said composition has a phosphorous concentration between about 5 percent by weight and about 20 percent by weight.8. The phenylphosphine oxide epoxy-amine composition of claim 1 , wherein said composition has a phosphorous concentration between about 7 percent by weight and about 10 percent by weight.9. A layered structure comprising:a substrate; anda skin cured onto a surface of the substrate, wherein the skin is formed of a phenylphosphine oxide epoxy-amine having a composition of greater than about 8 percent phosphorus by weight.12. The layered structure of claim 9 , wherein the substrate is a carbon fiber reinforced polymer composite panel configured to be co-cured with the skin.13. The layered structure of claim 12 , wherein the substrate has a composition including functional groups that are reactive with one of an oxide and an amine.14. A method of forming a layered structure including a phenylphosphine oxide epoxy polymer film claim 12 , comprising:synthesizing a phenylphosphine oxide epoxide; ...

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24-02-2022 дата публикации

THERMOPLASTIC SURFACES COMPRISING DIRECT BONDED CHEMICAL SEALANTS

Номер: US20220056227A1
Принадлежит:

This disclosure is directed to methods for preparing thermoplastic surfaces suitable for the application of paint, adhesives, or surfacing films and the structures derived or derivable from these methods. The disclosure is also directed to composite structures comprising a thermoplastic substrate comprising a chemical sealant direct bonded to a surface thereof, the chemical sealant providing a surface suitable for adhering adhesives, paints, and/or surfacing films to the thermoplastic surfaces. 1. A composite structure comprising a thermoplastic substrate comprising a chemical sealant direct bonded to a surface thereof.2. The composite structure of claim 1 , wherein the thermoplastic substrate comprises:(a) polyaryletherketone such as polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether ketone (PEK), polyether ether ketone ketone (PEEKK), or polyether ketone ether ketone ketone (PEKEKK);(b) a polymer containing a phenyl group directly attached to a carbonyl group, optionally wherein the carbonyl group is part of an amide group, such as polyarylamide (PARA);(c) a polyphenylene sulfide (PPS);(d) a polyphenylene oxide (PPO); or(e) a polyetherimide (PEI).3. The composite structure of claim 1 , wherein the thermoplastic substrate comprises a thermoplastic polymer whose linkages are susceptible to at least partial photolytic cleavage upon irradiation by actinic radiation of sufficient intensity wherein the actinic radiation includes radiation with at least one wavelength in the range from about 10 nm to about 450 nm.4. The composite structure of claim 1 , wherein the thermoplastic substrate comprises a thermoplastic polymer whose linkages are susceptible to at least partial photolytic cleavage upon irradiation by at least one wavelength (optionally 1 claim 1 , 2 claim 1 , 3 claim 1 , or 4 wavelengths) of actinic radiation at an energy in a range from about 0.5 J/cmto about 300 J/cmat the at least one wavelength.5. The composite structure of claim 4 , ...

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07-02-2019 дата публикации

SYSTEMS AND METHODS FOR TREATING ELASTOMERIC WORKPIECES

Номер: US20190040219A1
Принадлежит:

A method of treating an elastomeric workpiece is provided. The method includes: (a) providing an elastomeric workpiece; and (b) altering a mechanical property of the elastomeric workpiece by fluorinating the elastomeric workpiece in a controlled environment. 1. A method of treating an elastomeric workpiece , the method comprising the steps of:(a) providing an elastomeric workpiece; and(b) altering a mechanical property of the elastomeric workpiece by fluorinating the elastomeric workpiece in a controlled environment.2. The method of wherein step (b) includes altering a tensile property of the elastomeric workpiece.3. The method of wherein step (b) includes altering an impact property of the elastomeric workpiece.4. The method of wherein step (b) includes altering a wear property of the elastomeric workpiece.5. The method of wherein step (b) includes altering an elastic modulus of the elastomeric workpiece.6. The method of wherein step (b) includes increasing an elastic modulus of the elastomeric workpiece by at least 25%.7. The method of wherein step (b) includes increasing an elastic modulus of the elastomeric workpiece by at least 50%.8. The method of wherein step (b) includes fluorinating the elastomeric workpiece in a chamber.9. The method of further comprising a step of preparing the chamber to have an anaerobic environment prior to step (b).10. The method of wherein step (b) includes fluorinating the elastomeric workpiece in the controlled environment using pure fluorine.11. The method of wherein step (b) includes fluorinating the elastomeric workpiece in the controlled environment using a gas mixture including fluorine mixed with an inert gas.12. The method of wherein step (b) includes fluorinating the elastomeric workpiece in the controlled environment using a gas mixture including fluorine mixed with at least one additional gas claim 1 , the at least one additional gas including at least one of nitrogen claim 1 , carbon dioxide claim 1 , and argon.13. A ...

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18-02-2021 дата публикации

FUNCTIONALISED MIXED MATRIX MEMBRANES AND METHOD OF PRODUCTION

Номер: US20210046428A1
Принадлежит: HURRAH SARL

A porous membrane having a porous matrix formed of a thermoplastic polymer material and inorganic filler particles embedded in the porous matrix, the inorganic filler particles having an accessible surface comprising nucleophilic groups bonded to the inorganic filler particles is functionalised by bringing the porous membrane in contact with an aqueous solution comprising a carboxylic acid and/or an anhydride thereof at a pH equal to or smaller than 3.5 to obtain a carboxylic acid functionalised membrane. 1. Method of functionalising a porous membrane , wherein the porous membrane comprises:a porous matrix formed of a thermoplastic polymer material; andinorganic filler particles embedded in the porous matrix, the inorganic filler particles having an accessible surface comprising nucleophilic groups bonded to the inorganic filler particles,wherein the nucleophilic groups comprise hydroxyl groups, andwherein the method comprises bringing the inorganic filler particles in contact with an aqueous solution comprising a carboxylic acid and/or an anhydride of the carboxylic acid at a pH equal to or smaller than 3.5, preferably between 2 and 3.5, to obtain a carboxylic acid functionalised membrane.2. Method of claim 1 , wherein the nucleophilic groups are silanol (SiOH) groups.3. Method of claim 1 , wherein the inorganic filler particles are silica.4. Method of claim 1 , wherein the aqueous solution is at room temperature and substantially at atmospheric pressure during contact with the porous membrane.5. Method of claim 1 , wherein the carboxylic acid is a polycarboxylic acid.6. Method of claim 5 , wherein the polycarboxylic acid is according to the formula HOOC—R—COOH claim 5 , wherein Ris a bivalent group comprising between C-Ccarbon atoms claim 5 , preferably between C-Ccarbon atoms.7. Method of claim 1 , wherein the carboxylic acid is a food grade type acid.8. Method of claim 1 , wherein the carboxylic acid is one of a group consisting of succinic acid claim 1 , ...

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19-02-2015 дата публикации

METHOD AND APPARATUS FOR FORMING A PERIODIC PATTERN USING A SELF-ASSEMBLED BLOCK COPOLYMER

Номер: US20150048049A1
Принадлежит:

A method for causing a first polymer and a second polymer of a block copolymer to be self-assembled on an underlayer film and forming a periodic pattern in a guide layer is provided. The method includes a first etching process of etching the second polymer by plasma generated from a first gas, a first film deposition process of depositing a first protective film on surfaces of the first polymer and the guide layer except for an etched portion of the second polymer by plasma generated from a second gas after the first etching process, and a second etching process of further etching the second polymer by the plasma generated from the first gas after the first film deposition process. 1. A method for causing a first polymer and a second polymer of a block copolymer to be self-assembled on an underlayer film and forming a periodic pattern in a guide layer , comprising steps of:etching the second polymer by plasma generated from a first gas;depositing a first protective film on surfaces of the first polymer and the guide layer except for an etched portion of the second polymer by plasma generated from a second gas after the step of etching the second polymer; andfurther etching the second polymer by the plasma generated from the first gas after the step of depositing the first protective film.2. The method as claimed in claim 1 , wherein the second gas is introduce into a chamber in which a pressure is controlled to be 10 to 50 mTorr (=1333.22 to 6666.1 Pa) in the step of depositing the first protective film.3. The method as claimed in claim 1 , further comprising steps of:etching the underlayer film by plasma generated from a third gas after the step of further etching the second polymer; anddepositing a second protective film on the surfaces of the first polymer and the guide layer from plasma generated from a fourth gas before or in the middle of the step of etching the underlayer film.4. The method as claimed in claim 3 , wherein the second protective film is ...

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16-02-2017 дата публикации

THERMOPLASTIC/THERMOSET GRAFTED COMPOSITES

Номер: US20170044337A1
Принадлежит:

Disclosed are thermoset/thermoplastic composites that include a thermoset component directly or indirectly bonded to a thermoplastic component via a crosslinked binding layer between the two. The crosslinked binding layer is bonded to the thermoplastic component via epoxy linkages and is either directly or indirectly bonded to the thermoset component via epoxy linkages. The composite can be a laminate and can provide a route for addition of a thermoplastic implant to a thermoset structure. 1. A method for forming a composite comprising:grafting a binding polymer to a surface of a thermoplastic component, the binding polymer including a plurality of epoxy groups, the grafting including reaction of a first portion of the plurality of epoxy groups with a reactive functionality at the surface of the thermoplastic component;crosslinking the binding polymer via reaction of a second portion of the plurality of epoxy groups to form a crosslinked binding layer; anddirectly or indirectly binding a thermoset component to the crosslinked binding layer via reaction of a third portion of the plurality of epoxy groups.2. The method of claim 1 , wherein the thermoplastic component comprises a high performance thermoplastic polymer.3. The method of claim 2 , wherein the high performance polymer comprises a polyarylene sulfide claim 2 , a polyaryletherketone claim 2 , a polyetherimide claim 2 , a polycarbonate claim 2 , a polyamide claim 2 , or a combination thereof.4. The method of claim 1 , the method further comprising forming the thermoplastic component.5. The method of claim 1 , wherein the thermoplastic component is a continuous fiber tape or tow.6. The method of claim 1 , further comprising surface treating the thermoplastic component prior to grafting the binding polymer to the surface.7. The method of claim 1 , the binding polymer having a number average molecular weight of about 2 claim 1 ,000 or greater.8. The method of claim 1 , the binding polymer including an epoxy ...

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16-02-2017 дата публикации

SELF-CLEANSING SUPER-HYDROPHOBIC POLYMERIC MATERIALS FOR ANTI-SOILING

Номер: US20170044340A1
Принадлежит:

Disclosed are optically transparent super-hydrophobic materials, and methods for making and using the same, that can include an optically transparent polymeric layer having a first surface and an opposing second surface. At least a portion of the first surface has been plasma-treated with oxygen and a fluorine containing compound. The treated surface includes nano- or micro-structures that are etched into the first surface and that are chemically modified with the fluorine containing compound. The nano- or micro-structures have a height to width aspect ratio of greater than 1, and a water contact angle of at least 150°. The optically transparent polymeric layer retains its optical transparency after said plasma-treatment. Due to their optical transparency, chemical and thermal robustness, weatherability, and self-cleaning performance, the super-hydrophobic materials disclosed are useful in high performing solar cell units in harsh semi-arid environments. 1. An optically transparent super-hydrophobic material comprising an optically transparent polymeric layer having a first surface and an opposing second surface , wherein at least a portion of the first surface has been plasma-treated with oxygen and a fluorine containing compound , wherein the treated surface includes:(i) nano- or micro-structures that are etched into the first surface and that are chemically modified with the fluorine containing compound, wherein the nano- or micro-structures have a height to width aspect ratio of greater than 1; and(ii) a water contact angle of at least 150°,wherein the optically transparent polymeric layer retains its optical transparency after said plasma-treatment.2. The optically transparent material of claim 1 , wherein the polymeric layer comprises a polycarbonate or a blend thereof.3. The optically transparent material of claim 1 , wherein the at least a portion of the first surface comprises a functional coating claim 1 , and wherein the functional coating retains its ...

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16-02-2017 дата публикации

Active energy beam-curable resin composition, resin molding, and method for producing resin molding

Номер: US20170044395A1
Принадлежит: Mitsubishi Rayon Co Ltd

Provided are: a resin composition with which it is possible to form a cured film having excellent weather resistance and wear resistance; and a resin molding having said cured film. An active energy beam-curable resin composition containing a radical polymerizable compound and a photopolymerization initiator (d), wherein said radical polymerizable compound contains 57-90 mass % of (a) caprolactone-modified mono- or poly-penta erythritol poly (meth)acrylate represented by formula (1) and 10-43 mass % of (b) urethane (meth)acrylate synthesized from a polycarbonate polyol having a branched alkyl structure and an average molecular weight falling within the range of 500-1000, a diisocyanate having an alicyclic structure, and a mono (meth)acrylate containing a hydroxyl group. In formula (1), each X independently represents a caprolactone-modified (meth)acryloyl group, a (meth)acryloyloxy group, or a —OH group.

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15-02-2018 дата публикации

METHOD AND DEVICE FOR MODIFYING RESIN

Номер: US20180044492A1
Принадлежит: MEIDENSHA CORPORATION

It is a method for modifying a resin (), the method for hydrophilizing the surface of the resin (). High-concentration ozone gas and an unsaturated hydrocarbon gas are supplied to the surface of the resin (), and the surface of the resin () is hydrophilized. The high-concentration ozone gas is generated by re-vaporizing liquid ozone obtained by liquefaction and fractional distillation of an ozone-containing gas. Ozone gas having an ozone concentration of 50 vol % or greater is used as the high-concentration ozone gas. A gas containing an unsaturated hydrocarbon with a carbon number of 10 or lower which has a double bond or a triple bond is used as the unsaturated hydrocarbon gas. 1. A method for modifying a resin , comprising:supplying ozone gas and an unsaturated hydrocarbon gas to the resin for hydrophilizing a surface of the resin,wherein the surface of the resin is hydrophilized with a reaction gas of the ozone gas and the unsaturated hydrocarbon gas,wherein ozone concentration of the ozone gas is 50 vol % or greater, andwherein modification time by the ozone gas and the unsaturated hydrocarbon gas is one minute or less.2. (canceled)3. The method for modifying the resin according to claim 1 , wherein the unsaturated hydrocarbon gas is ethylene.4. The method for modifying the resin according to claim 1 , wherein one gas of the ozone gas and the unsaturated hydrocarbon gas is supplied to flow parallel to a treatment surface of the resin claim 1 , andwherein the other gas of the ozone gas and the unsaturated hydrocarbon gas is supplied to flow in a direction toward the treatment surface of the resin.5. The method for modifying the resin according to claim 1 , wherein the resin is moved so that the surface of the resin is uniformly hydrophilized claim 1 , and the ozone gas and the unsaturated hydrocarbon gas are supplied to the resin.6. The method for modifying the resin according to claim 1 , wherein a shower head is provided facing the surface of the resin claim 1 ...

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16-02-2017 дата публикации

SURFACE-TREATED FABRICATED ARTICLE PRODUCED FROM POLYOLEFIN

Номер: US20170044710A1
Принадлежит:

The present disclosure describes a process for producing a surface-treated fabricated article, the process comprising providing a polyolefin resin; converting the polyolefin resin to a fabricated article; crosslinking at least a portion of the fabricated article; and modifying the surface of the fabricated article with a sulfuric acid, fuming sulfuric acid, or chlorosulfonic acid-containing solution surface-treating agent to yield the surface-treated fabricated article. The present disclosure further describes a process for producing a surface-treated fabricated article comprising providing a polyolefin resin; converting the polyolefin resin to a fabricated article; crosslinking at least a portion of the fabricated article; applying a sulfuric acid solution to the fabricated article; and heating the fabricated article in air or an inert environment. 1. A process for producing a surface-treated fabricated article , the process comprising:(a) providing a polyolefin resin;(b) converting the polyolefin resin to a fabricated article;(c) crosslinking at least a portion of the fabricated article; and(d) modifying the surface of the fabricated article with a sulfuric acid, fuming sulfuric acid, or chlorosulfonic acid-containing solution surface-treating agent to yield the surface-treated fabricated article.2. The process of claim 1 , wherein steps (c) and (d) are performed simultaneously by selecting a surface-treating agent which also crosslinks the fabricated article.3. The process of claim 1 , wherein the surface-treating agent is an SOcontaining moiety.4. The process of claim 1 , wherein the surface-treating agent is sulfuric acid claim 1 , fuming sulfuric acid claim 1 , sulfur trioxide claim 1 , or chlorosulfonic acid.5. The process of claim 1 , wherein step (d) is performed before step (c).6. The process of claim 1 , wherein step (d) further comprises washing the fabricated article in a solvent.7. The process of claim 6 , wherein the solvent is toluene claim 6 , ...

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25-02-2016 дата публикации

ANTI-FOG CONSUMER PRODUCTS AND PROCESSES FOR MAKING SAME

Номер: US20160053152A1
Принадлежит:

A process for producing an anti-fog consumer product. The process comprises the steps of forming a precursor composition comprising cellulose acetate and plasticizer to yield a substantially rigid consumer product having an outer surface; and saponifying at least a portion of the substantially rigid consumer product to yield the anti-fog consumer product having a degree of substitution at the outer surface of less than 0.75. 1. A process for producing an anti-fog consumer product , the process comprising the steps of:(a) forming a precursor composition comprising cellulose acetate and plasticizer to yield a substantially rigid consumer product having an outer surface; and(b) saponifying at least a portion of the substantially rigid consumer product to yield the anti-fog consumer product having a degree of substitution at the outer surface of less than 0.75.2. The process of claim 1 , wherein the degree of substitution increases inwardly from the outer surface.3. The process of claim 1 , wherein step (b) forms a treated central region beneath the outer surface and wherein the degree of substitution throughout the treated central region is substantially uniform.4. The process of claim 1 , wherein the substantially rigid consumer product has a thickness greater than 50 microns.5. The process of claim 1 , further comprising the steps of:hard coating the anti-fog consumer product to form a coated anti-fog consumer product; andmirror coating the coated anti-fog consumer product to form a mirror coated consumer product.6. The process of claim 1 , further comprising the step of:coloring the anti-fog consumer product to yield a colored anti-fog consumer product,wherein the coloring preferably comprises dip dying the anti-fog consumer product.7. An anti-fog consumer product claim 1 , comprising cellulose acetate claim 1 , preferably from 40 wt % to 99 wt % cellulose acetate claim 1 , and a plasticizer claim 1 , preferably from 1 wt % to 60 wt % plasticizer claim 1 , and ...

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25-02-2021 дата публикации

Recycling of Superabsorbent Polymer Via Hydrothermal Microwave Processing

Номер: US20210054164A1
Принадлежит:

Poly(acrylic acid)-based superabsorbent polymer (SAP) and HOin a feed is converted with microwave (MW) irradiation into poly(acrylic acid) (PAA) in the product. The MW total energy used to convert SAP into PAA is less than 50 MJ/kg SAP. 1. A method for degrading a superabsorbent polymer (SAP) to poly(acrylic acid) (PAA) comprising placing a feed into a reactor , irradiating said feed with microwave (MW) at a temperature , and producing a product comprising said PAA at a carbon yield; wherein said feed comprises said SAP at a concentration greater than about 3 wt % and hydrogen peroxide (HO) at a concentration greater than about 0.5 wt % of said SAP concentration; wherein said feed has a residence time in said reactor between about 2 min and about 9 min; wherein said temperature is about 200° C.; wherein said carbon yield is greater than about 90%; and wherein said MW used to convert SAP to PAA requires a MW total energy of less than about 50 MJ/kg SAP.2. The method of claim 1 , wherein said residence time is between about 4 min and about 6 min.3. The method of claim 1 , wherein said residence time is about 5 min.4. The method of claim 1 , wherein said SAP concentration is greater than about 5 wt %.5. The method of claim 1 , wherein said SAP concentration is greater than about 10 wt %.6. The method of claim 1 , wherein said MW total energy is less than about 12 MJ/kg SAP.7. The method of claim 1 , wherein said MW total energy is less than about 6 MJ/kg SAP.8. The method of claim 1 , wherein said SAP has degree of neutralization (DN) greater than about 50%.9. The method of claim 1 , wherein said SAP has DN between about 65% and about 75%.10. The method of claim 1 , wherein said carbon yield is greater than 95%.11. The method of claim 1 , wherein said carbon yield is about 98%.12. The method of claim 1 , wherein said PAA has a weight-average molecular weight less than about 1 claim 1 ,000 claim 1 ,000 g/mol.13. The method of claim 1 , wherein said PAA has a weight- ...

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08-05-2014 дата публикации

SURFACE-MODIFYING METHOD AND ELASTIC BODY WITH MODIFIED SURFACE

Номер: US20140128493A1
Автор: Minagawa Yasuhisa
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The present invention aims to provide a method for modifying a surface of a rubber vulcanizate or a thermoplastic elastomer, which can impart excellent sliding properties and excellent durability against repeated sliding motion, and allow the surface to maintain the sealing properties, without using expensive self-lubricating resins. The present invention relates to a method for modifying a surface of an object of a rubber vulcanizate or a thermoplastic elastomer, the method including: Step 1 of forming polymerization initiation points on the surface of the object; and Step 2 of radical-polymerizing a monomer starting from the polymerization initiation points to grow polymer chains on the surface of the object. 143.-. (canceled)44. A gasket for syringes , at least partially having a surface modified by a method for modifying a surface of an object of a rubber vulcanizate or a thermoplastic elastomer ,the method comprising:Step 1 of forming polymerization initiation points on the surface of the object; andStep 2 of radical-polymerizing a monomer starting from the polymerization initiation points to grow polymer chains on the surface of the object.45. A tire , at least partially having a groove surface modified by a method for modifying a surface of an object of a rubber vulcanizate or a thermoplastic elastomer ,the method comprising:Step 1 of forming polymerization initiation points on the surface of the object; andStep 2 of radical-polymerizing a monomer starting from the polymerization initiation points to grow polymer chains on the surface of the object.46. The gasket for syringes according to claim 44 ,wherein the rubber vulcanizate or the thermoplastic elastomer contains an allylic carbon atom adjacent to a double bond.47. The gasket for syringes according to claim 44 ,wherein the polymerization initiation points are formed through adsorption of a photoinitiator onto the surface of the object.48. The gasket for syringes according to claim 47 ,wherein the ...

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03-03-2022 дата публикации

METHODS OF TREATING A SURFACE OF A POLYMER MATERIAL BY ATMOSPHERIC PRESSURE PLASMA

Номер: US20220068618A1
Принадлежит:

A method for treating a flexible plastic substrate is provided herein. The method includes establishing an atmospheric pressure plasma beam from an inert gas using a power of greater than about 90W, directing the plasma beam toward a surface of the flexible polymer substrate, and scanning the plasma beam across the surface of the polymer substrate to form a treated substrate surface.

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22-02-2018 дата публикации

HARDCOAT FILM, POLARIZING PLATE, AND TOUCH PANEL DISPLAY

Номер: US20180051149A1
Принадлежит: FUJIFILM Corporation

Provided is a hardcoat film including a support and a hardcoat layer on at least one surface of the support. The hardcoat layer is formed of a composition for forming a hardcoat layer. The composition contains: (a) resin having a group which increases hydrophilicity when decomposed by an acid and a group which contains at least one kind of atom selected from a fluorine atom and a silicon atom; and (b) acid generator. 1. A hardcoat film comprising:a support; anda hardcoat layer on at least one surface of the support,wherein the hardcoat layer is formed of a composition for forming a hardcoat layer containing:(a) resin having a group which increases hydrophilicity when decomposed by an acid and a group which contains at least one kind of atom selected from a fluorine atom and a silicon atom; and(b) acid generator.2. A hardcoat film obtained by treating a hardcoat layer with an acid , the hardcoat layer disposed on at least one surface of a support ,wherein the hardcoat layer is formed of a composition for forming a hardcoat layer containing:(a) resin having a group which increases hydrophilicity when decomposed by the acid and a group which contains at least one kind of atom selected from a fluorine atom and a silicon atom.3. The hardcoat film according to claim 1 ,wherein in the resin (a), the group which increases hydrophilicity when decomposed by the acid has a substituent which contains at least one kind of the atom selected from a fluorine atom and a silicon atom.4. The hardcoat film according to claim 1 ,wherein the composition for forming a hardcoat layer further contains:(c) compound having three or more ethylenically unsaturated double bond groups.5. The hardcoat film according to claim 1 ,wherein the composition for forming a hardcoat layer further contains:(d) compound having one or more epoxy groups.6. The hardcoat film according to claim 5 ,wherein the compound (d) has one alicyclic epoxy group and one ethylenically unsaturated double bond group in a ...

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03-03-2016 дата публикации

METHOD FOR APPLYING STABLE COATING ON SILICONE HYDROGEL CONTACT LENSES

Номер: US20160062142A1
Автор: Zhang Steve Yun
Принадлежит:

The invention is related to a method for producing silicone hydrogel contact lenses with having a stable coating thereon. A method of the invention comprises a water-based coating process (step) for forming a relatively-stable base coating of a homo- or copolymer of acrylic acid or C-Calkylacrylic acid onto a silicone hydrogel contact lens made from a lens formulation comprising from about 35% to about 60% by weight of N-vinylpyrrolidone. 1. A method for producing coated silicone hydrogel contact lenses each having a crosslinked hydrophilic coating thereon , comprising the steps of:(a) obtaining a silicone hydrogel contact lens from a polymerizable composition comprising at least one silicone-containing vinylic monomer or macromer and from about 30% to about 60% by weight of N-vinylpyrrolidone relative to the total amount of polymerizable components; and{'sub': 1', '3, '(b) contacting the silicone hydrogel contact lens with an aqueous solution of a homo- or copolymer of acrylic acid or C-Calkylacrylic acid to form a base coating on the silicone hydrogel contact lens, wherein the base coating exhibits a water-break-up-time (WBUT) of about 20 seconds or more after the silicone hydrogel contact lens has been autoclaved at 115° C. to 125° C. in a phosphate buffered saline having a pH from about 6.5 to about 7.5 for about 30 minutes.'}2. The method of claim 1 , wherein the polymerizable composition comprises from about 35% to about 56% by weight of N-vinylpyrrolidone relative to the total amount of polymerizable components.3. The method of claim 1 , wherein the polymerizable composition comprises from about 40% to about 52% by weight of N-vinylpyrrolidone relative to the total amount of polymerizable components.4. The method of claim 1 , wherein the homo- or copolymer of acrylic acid or C-Calkylacrylic acid is polyacrylic acid claim 1 , polymethacrylic acid claim 1 , polyethylacrylic acid claim 1 , polypropylacrlic acid claim 1 , poly(acrylic acid-co-methacrylic acid) ...

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05-03-2015 дата публикации

PROCESS FOR METALLIZING NONCONDUCTIVE PLASTIC SURFACES

Номер: US20150064346A1
Принадлежит:

The present invention relates to a process for metallizing nonconductive plastics using an etching solution free of hexavalent chromium. The etching solution is based on an acidic permanganate solution. After the treatment of the plastics with the etching solution, the plastics are metallized by means of known processes. 1. Process for metallizing electrically nonconductive plastic surfaces of articles , comprising the process steps of:A) etching the plastic surface with an etching solution;B) treating the plastic surface with a solution of a metal colloid or of a compound of a metal, the metal being selected from the metals of transition group I of the Periodic Table of the Elements and transition group VIII of the Periodic Table of the Elements, andC) metallizing the plastic surface with a metallizing solution;characterized in that the etching solution comprises a source for permanganate ions, and an acid in a concentration of 0.02-0.6 mol/l based on a monobasic acid.2. Process according to claim 1 , wherein process step A) is preceded by performance of the following further process step:pretreatment step: treating the plastic surface in an aqueous solution comprising at least one glycol compound.4. Process according to claim 1 , wherein the source for permanganate ions in the etching solution in process step A) is selected from alkali metal permanganates.5. Process according to claim 4 , wherein the alkali metal permanganates are selected from the potassium permanganate and sodium permanganate.6. Process according to claim 1 , wherein the source for permanganate ions is present in the etching solution in process step A) in a concentration between 30 g/l-250 g/l.7. Process according to claim 1 , wherein the acid comprised in the etching solution in process step A) is an inorganic acid.8. Process according to claim 7 , wherein the inorganic acid in the etching solution in process step A) is selected from sulphuric acid claim 7 , nitric acid and phosphoric acid.9. ...

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27-02-2020 дата публикации

NOVOLAC RESINS AND USE IN RUBBER COMPOSITIONS

Номер: US20200062884A1
Принадлежит:

A resorcinolic novolac resin composition comprising the reaction product of (i) an aldehyde or ketone, and (ii) aralkyl-substituted resorcinol and resorcinol, where the moles of the aralkyl-substituted resorcinol to the total moles of the resorcinol and aralkyl-substituted resorcinol is 0.01:1 to 0.4:1. 2. The composition of claim 1 , where the aralkyl groups are styryl groups.3. The composition of claim 1 , where the composition includes less than 14 moles of aralkyl groups per mole of units defined by the formula (I) plus moles of compounds defined by the formula (II).4. The composition of claim 1 , where the composition includes less than 10 moles of aralkyl groups per mole of units defined by the formula (I) plus moles of compounds defined by the formula (II).5. The composition of claim 1 , where the alkylene bridge is a methylene bridge.6. The composition of claim 1 , where the resin is in the form of pastilles or prills.7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. A method for forming an aralkyl-substituted resorcinolic novolac resin claim 1 , the method comprising:reacting (i) an aldehyde or ketone with (ii) an aralkyl-substituted resorcinol and resorcinol, where the moles of the aralkyl-substituted resorcinol to the total moles of the resorcinol and aralkyl-substituted resorcinol is 0.01:1 to 0.4:1.15. The method of claim 14 , where the moles of the aralkyl-substituted resorcinol to the total moles of the resorcinol and aralkyl-substituted resorcinol is 0.01:1 to 0.1:1.16. The method of claim 14 , where the moles of the aralkyl-substituted resorcinol to the total moles of the resorcinol and aralkyl-substituted resorcinol is 0.01:1 to 0.09:1.17. The method of claim 14 , where the aldehyde or ketone is selected from the group consisting of formaldehyde claim 14 , methyl formcel claim 14 , acetaldehyde claim 14 , propionaldehyde claim 14 , butyraldehyde claim 14 , crotonaldehyde claim 14 , cinnamaldehyde ...

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09-03-2017 дата публикации

SUBSTRATE FILM, CATALYST TRANSFER SHEET, METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING CATALYST LAYER-COATED ELECTROLYTE MEMBRANE

Номер: US20170066892A1
Принадлежит: Toray Industries, Inc.

The present invention provides a substrate film that has a catalyst coating liquid having good coating properties when producing a membrane electrode assembly, has a catalyst layer and support film having good release properties after the catalyst layer is transferred to an electrolyte membrane using a catalyst transfer sheet, and does not contaminate the catalyst layer. Provided is a substrate film for a catalyst transfer sheet, said substrate film being formed by introducing fluorine atoms to at least one surface of a base film formed from one or more types of polymers selected from the group consisting of polyethylene, polypropylene, polyethylene terephthalate, polybutylene terephthalate, polyethylene napthalate, polyphenylene sulfide, polysulfones, polyether ketone, polyether ether ketone, polyimides, polyetherimide, polyamides, polyamide-imides, polybenzimidazoles, polycarbonates, polyarylates, and polyvinyl chloride, wherein the ratio, measured by X-ray photoelectron spectroscopy, of the number of fluorine atoms/the number of carbon atoms in the surface to which the fluorine atoms are introduced, i.e. the modified surface, is 0.02-1.9, inclusive. 1. A substrate film for a catalyst transfer sheet , the substrate film being formed by introducing fluorine atoms to at least one surface of a base film that is formed from one or more types of polymers selected from the group consisting of polyethylene , polypropylene , polyethylene terephthalate , polybutylene terephthalate , polyethylene napthalate , polyphenylene sulphide , polysulfones , polyether ketone , polyether ether ketone , polyimides , polyetherimide , polyamides , polyamide-imides , polybenzimidazoles , polycarbonates , polyarylates , and polyvinyl chloride , wherein the ratio , measured by X-ray photoelectron spectroscopy , of the number of fluorine atoms/the number of carbon atoms in the surface to which the fluorine atoms are introduced , i.e. , modified surface , is 0.02 or more and 1.9 or less.2. ...

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11-03-2021 дата публикации

METHOD FOR ALTERING POLYMER PROPERTIES FOR MOLDING OF PARTS

Номер: US20210070955A1
Принадлежит:

A method for altering polymer properties for the molding of parts comprises exposing, to a scission-causing stressor, a region of a polymer form. The scission-causing stressor is controlled to achieve, in a relatively higher molecular-weight polymer at the region, an amount of scission that results in a reduction in the molecular weight of the relatively higher molecular-weight polymer, thereby forming a relatively lower molecular-weight polymer at the region. 1. A method comprising exposing , to a first scission-causing stressor , a first region of a first polymer form , wherein:a first parameter of the first scission-causing stressor is controlled to achieve a first amount of scission in a first relatively higher molecular-weight polymer at the first region,the first amount of scission resulting in a reduction in a weight average molecular weight of the first relatively higher molecular-weight polymer, thereby forming a first relatively lower molecular-weight polymer at the first region,the reduction is in a range of about 10 to about 50 percent, andthe weight average molecular weight of the first relatively higher molecular-weight polymer at a second region of the first polymer form is not reduced.2. The method of wherein the scission-causing stressor is selected from the group consisting of ultraviolet light claim 1 , temperature claim 1 , a chemical claim 1 , and ultrasound.3. The method of wherein the first polymer form comprises fibers claim 1 , the method comprising creating a desired surface finish of the first polymer form claim 1 , or a part formed therefrom claim 1 , by applying pressure to the first polymer form claim 1 , the pressure causing the first relatively lower molecular-weight polymer to flow to a surface of the first polymer form claim 1 , wherein the desired surface finish is characterized by a lack of a visible or physical presence of the fibers.4. The method of wherein the first polymer form is disposed in a mold cavity claim 1 , and the ...

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29-05-2014 дата публикации

Hard coat film

Номер: US20140147662A1

A high-hardness hard coat film having a reduced degree of curling and an ionizing ray polymerizable resin composition for forming the hard coat layer of such a hard coat film are provided. The hard coat film includes a resin film and a hard coat layer disposed on the surface of the resin film. The hard coat layer is formed of a cured product of a photopolymerizable composition containing an acrylic component, a hyperbranched acrylate resin, a silicone component, and silica particles. The cured product is produced by exposure to ionizing rays.

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17-03-2016 дата публикации

METHOD TO ACTIVATE SILICONE RUBBER SURFACES

Номер: US20160075841A1
Принадлежит:

A method for activating silicone rubber surfaces comprising steps of: 2. The method according to wherein the hydrolytically labile bond is present in the form of a —Si—O—Si— bond claim 1 , or as a hydrolysable group linked to a Si atom selected from the group consisting of halogens claim 1 , methoxy groups claim 1 , ethoxy groups claim 1 , other alkoxy groups claim 1 , amines claim 1 , thiols and combinations thereof.3. The method according to claim 1 , wherein the reactive silane comprises a functional group selected from the group consisting of primary claim 1 , secondary or tertiary amines claim 1 , thiols claim 1 , hydroxyls claim 1 , carboxyl groups and combinations thereof.4. The method according to claim 1 , wherein the reactive silane comprises a functional group selected from the group consisting of mono- or poly-unsaturated ethylenic functionalities claim 1 , allyl claim 1 , acrylic claim 1 , vinylic and epoxide functionalities and combinations thereof.5. The method according to claim 1 , wherein the reactive silane comprises an amine functional group.6. The method according to claim 1 , wherein the amount of reactive silane in the solution is from 0.5 to 20 wt %.7. The method according to claim 1 , wherein the reactive silane is dispersed or dissolved in the silicone rubber swelling solvent.8. The method according to claim 1 , wherein the reactive silane comprises a reactive silane according to Formula (I).9. The method according to claim 1 , wherein the reactive silane comprises a reactive silane according to Formula (II).10. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of causing a swelling ratio of the silicone rubber matrix of higher than 1.05.11. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of causing a swelling ratio of the silicone rubber matrix of higher than 1.10.12. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of ...

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24-03-2022 дата публикации

PRODUCTION METHOD FOR MODIFIED VINYL ALCOHOL POLYMER PARTICLE AND PARTICLE OBTAINED THEREBY

Номер: US20220089793A1
Принадлежит: KURARAY CO., LTD.

A method of producing modified vinyl alcohol-based polymer particles, includes mixing vinyl alcohol-based polymer particles with a mixed medium containing unsaturated carboxylic acid, an acid catalyst, and water, wherein, by mixing the vinyl alcohol-based polymer particles with the mixed medium, the vinyl alcohol-based polymer particles are reacted with the unsaturated carboxylic acid to obtain modified vinyl alcohol-based polymer particles containing a vinyl ester unit represented by a formula (2) below, having a vinyl alcohol unit content based on the total constitutional units of 60 mol % or more and less than 95 mol %, and having an average particle diameter from 50 to 2000 μm. The production method is capable of controlling the particle shape and does not cause the problem of the residual sulfur content, and is further convenient and economically advantageous. 2. The method according to claim 1 , wherein the modified vinyl alcohol-based polymer particles have a specific surface area from 0.01 to 1.0 m/g.3. The method according to claim 1 , wherein the mixed medium has a water content from 1 to 20 mass %.4. The method according to claim 1 , wherein the mixed medium further comprises acetic acid.5. The method according to claim 1 , wherein Y denotes a hydrogen atom.6. The method according to claim 1 , wherein X denotes a carbon-carbon bond.7. The method according to claim 1 , further comprising washing the modified vinyl alcohol-based polymer particles.9. The modified vinyl alcohol-based polymer particles8. ng to claim 8 , wherein a sulfur content is from 0.01 to 20000 ppm.10. The modified vinyl alcohol-based polymer particles according to claim 8 , wherein a yellow index (YI) measured in accordance with ASTM D1925 is 50 or less.11. The modified vinyl alcohol-based polymer particles according to claim 8 , wherein a content of the vinyl ester unit based on the total constitutional units is from 0.01 to 10 mol %.12. The modified vinyl alcohol-based polymer ...

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19-03-2015 дата публикации

POLYMERIC PARTICLES AND PROCESSES FOR PREPARATION OF POLYMERIC PARTICLES THAT INVOLVE MOLDING

Номер: US20150079396A1
Автор: Bohm George, Wang Xiaorong
Принадлежит: BRIDGESTONE CORPORATION

Polymeric particles having a size of about 0.1 to about 100 microns comprising at least two different phase separated polymers, at least one pigment, and at least one additive, where the pigment and additive are distributed within the phase separated polymers. 1. A polymeric particle having a particle size of about 0.1 to about 100 microns , comprising at least two different phase separated polymers , at least one pigment , and at least one additive ,wherein a component selected from the group consisting of the at least one pigment, the at least one additive, and mixtures of the at least one pigment and at least one additive, is present in at least one of the at least two different phase separated polymers.2. The polymeric particle of claim 1 , wherein the particle size is about 1 to about 20 microns.3. The polymeric particle of claim 1 , wherein the particle is crosslinked.4. The polymeric particle of claim 1 , further comprising a surfactant.5. The polymeric particle of claim 3 , wherein the particle is crosslinked by ultraviolet curing.6. The polymeric particle of claim 1 , wherein the at least one pigment and the at least one additive are contained in at least one of the at least two different phase separated polymers.7. The polymeric particle of claim 3 , wherein the particle is crosslinked by at least one of peroxide claim 3 , sulfur claim 3 , or an azo compound.8. The polymeric particle of claim 1 , wherein the particle is in a molded shape.9. The polymeric particle of claim 1 , wherein the two different phase separated polymers are selected from polyolefins claim 1 , vinyl and vinylidene polymers claim 1 , natural and synthetic rubbers claim 1 , polyesters claim 1 , polycarbonates claim 1 , cellulose derivatives claim 1 , fluoropolymers claim 1 , polyorganosilicones claim 1 , polyethers claim 1 , polynitriles claim 1 , polyamides claim 1 , polyimides claim 1 , polyurethanes claim 1 , polyacetylenes claim 1 , polyacrylics claim 1 , and mixtures thereof10. A ...

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05-03-2020 дата публикации

Preparation Method for Surface Molding Film of PVC-Based Stone Plastic Composite Board

Номер: US20200071478A1
Принадлежит: Shaanxi University of Technology

The present invention discloses a preparation method for a surface molding film of a PVC-based stone plastic composite board, including: surface activation treatment of the PVC-based stone plastic composite board: preparation of an activated putty, coarse roughening of a substrate surface, application and solidification of the activated putty, and fine roughening of the substrate surface; preparation of a PMMA slurry; and surface film forming of the PVC-based stone plastic composite board. The PVC-based stone plastic composite board coated with a PMMA film is obtained by cold pressing and shaping in a mold, tightening up a clamp, solidifying at low temperature, treating at high temperature, cooling and demolding. The PVC-based stone plastic composite board coated with the PMMA film prepared by the present invention can avoid the problems of large investment in production lines and equipment and high production costs involved in the production of floorboards by the conventional surface printing and surface laminating technologies, to partially replace composite floorboards, stone, acrylic panels, and curtain wall panels, etc. currently popular in the market, and provide a new path for the high additional utilization of waste. 1. A preparation method for a surface molding film of a PVC-based stone plastic composite board , comprising the following steps:1) surface activation treatment of the PVC-based stone plastic composite board:1a) preparation of an activated putty: waste plastic powder and methyl methacrylate are dissolved in a mass ratio of (0.2-0.5):1 to form a homogeneous solution A with the total mass of W, and magnesium hydroxide, titanium dioxide, acrylic acid, benzoyl peroxide, an organic tertiary amine compound, and oxidized polyethylene wax powder are added into the solution A according to the mass ratio, stirred in an ice-water bath to form a high-viscosity putty, activated and cooled, and then placed in a refrigerator for storage;1b) coarse roughening ...

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19-03-2015 дата публикации

ENVIRONMENTALLY-FRIENDLY BOARD USING POLYLACTIC ACID AND WOOD FIBER, AND METHOD FOR PREPARING SAME

Номер: US20150080503A1
Принадлежит:

Disclosed are an environmentally-friendly board, which provides the advantages of energy reduction and greenhouse gas reduction and does not emit toxic substances such as toxic gas or endocrine-disrupting chemicals, and a method for preparing same. The environmentally-friendly board, according to the present invention, comprises a biodegradable resin composition including a polylactic acid resin, a crosslinking agent, and wood fiber, and thus provides the advantages of not emitting toxic substances such as toxic gas or endocrine-disrupting chemicals, securing water resistance of a product by PLA crosslinking, and not sticking to a processing tool when heat is applied during processing. 1. An environmentally friendly board formed of a biodegradable resin composition comprising a polylactic acid resin , a crosslinking agent , and wood fiber.2. The board according to claim 1 , wherein the biodegradable resin composition comprises 0.001 parts by weight to 10 parts by weight of the crosslinking agent and 50 parts by weight to 300 parts by weight of the wood fiber based on 100 parts by weight of the polylactic acid resin.3. The board according to claim 2 , wherein the crosslinking agent comprises at least one organic peroxide selected from among dicumyl peroxide (DCP) claim 2 , perbutyl peroxide (PBP) claim 2 , dimethyldi-t-butylperoxyhexane claim 2 , t-butylethylhexylmonoperoxycarbonate claim 2 , and 1 claim 2 ,1 -di(t-butylperoxy)-3 claim 2 ,3 claim 2 ,5 -trimethylcyclohexane.4. The board according to claim 1 , wherein the wood fiber has a specific gravity of 700 kg/mor less.5. The board according to claim 1 , wherein the wood fiber comprises less than 3.0 wt % of water.6. The board according to claim 1 , wherein the composition further comprises a crosslinking aid.7. The board according to claim 6 , wherein the crosslinking aid is present in an amount of 1.0 part by weight or less based on 100 parts by weight of the polylactic acid resin.8. A method for preparing an ...

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18-03-2021 дата публикации

POLYMERIC DEVICES AND METHODS OF MAKING

Номер: US20210079178A1
Принадлежит:

Some polymeric devices, as described herein, can be made of a first layer and a second layer bonded together with one or more microfluidic channels defined internal to the device. The first layer and the second layer may each include a substrate and a polymer bonded to the substrate. The two layers may be bonded through a polymer network that interpenetrates the polymers in the first and second layers. This disclosure also describes methods of bonding together polymeric articles. The methods include diffusing polymerizable monomers and radical forming initiators into the surfaces of one or both of the polymers, putting the surfaces into contact, and initiating polymerization to create a polymer network that interpenetrates the polymers. 1. A method of making a polymeric device , the method comprising: a first article having a first surface; and', 'a second article having a second surface;, '(a) providing(b) contacting the first surface with a radical forming initiator;(c) contacting the first surface with polymerizable monomers to create a polymer layer;(d) attaching the second surface of the second article to the polymer layer; and(e) initiating polymerization of the polymer layer such that the first article is bonded to the second article.2. The method of claim 1 , wherein the polymer layer comprises a hydrogel.3. The method of claim 1 , wherein the polymer layer has anti-biofouling properties.4. The method of claim 1 , wherein the polymer layer comprises poly-PEG acrylate claim 1 , polyacrylamide claim 1 , poly(glycerol) claim 1 , poly(2-oxazoline) claim 1 , poly(hydroxyfunctional acrylate) claim 1 , poly(vinylpyrrolidone) claim 1 , peptides claim 1 , or peptoids.5. The method of claim 1 , wherein the polymer layer comprises one or more microfeatures.6. The method of claim 5 , wherein at least one microfeature is a microchannel.7. The method of claim 1 , wherein the polymerizable monomers comprise a polymerizable polyethylene glycol (“PEG”).8. The method of claim ...

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22-03-2018 дата публикации

SWELLABLE FILM FORMING COMPOSITIONS AND METHODS OF NANOIMPRINT LITHOGRAPHY EMPLOYING SAME

Номер: US20180080119A1
Принадлежит:

Compositions of matter capable of being cast and cured to form a microreplicated pattern on a substrate, and further capable of swelling on exposure to water so as to release from that substrate. Water swellable acrylic polymers formed from these compositions, and methods of using same in nanoimprint lithography are also disclosed. 1. A method of forming a predetermined metalized pattern on a substrate , comprising:casting and curing a polymerizable precursor into a first side of the substrate so as to form a water swellable acrylic layer on the substrate, the water swellable acrylic layer having thick portions and thin portions such that the thin portions correspond to the predetermined pattern;etching the water swellable acrylic layer so that the thin portions are removed and substrate is partially exposed;metalizing the first side so as to deposit metal onto the exposed portions of the substrate and onto the thick portions of the water swellable acrylic layer; andexposing the water swellable acrylic layer to water, releasing the water swellable acrylic layer and its over-coat of metal from the substrate and leaving the substrate with the predetermined metalized pattern.2. The method according to wherein the water swellable acrylic layer is at least about 0.3 microns in thickness.3. The method according to where in the polymerizable precursor comprises between about 30 to 95 parts by weight of a mono-alkoxy polyakylene glycol acrylate claim 1 , between about 5 to 65 parts by weight of mono- claim 1 , di- claim 1 , or tri-acrylate claim 1 , and between about 0.1 to 2.5 parts by weight of a photoinitiator.4. The method according to wherein the polymerizable precursor comprises a liquid claim 1 , monomeric claim 1 , acrylic resin.5. The method according to wherein the viscosity of the polymerizable precursor 5000 centiPoise.6. A composition of matter claim 1 , comprising:a UV curable polymer precursor comprisingbetween about 30 to 95 parts by weight of a mono-alkoxy ...

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24-03-2016 дата публикации

Methods for Biodegradable Derivatization of Cellulosic Surfaces

Номер: US20160083546A1
Автор: Trigiante Giuseppe
Принадлежит:

The present invention describes methods of treating cellulosic materials with a composition that provides increased hydrophobicity to such materials without sacrificing the biodegradability thereof. The methods as disclosed provide for esterification of available hydroxyl groups on cellulosic materials, where such hydroxyl groups are “masked” by bulky organic chains, including that the disclosure provides products made by such methods. The materials thus treated display higher hydrophobicity, barrier function, and mechanical properties, and may be used in any application where such features are desired. 2. The method of claim 1 , wherein the surface of the solid cellulose-containing material exhibits greater hydrophobicity relative to the surface of the solid cellulose-containing material without said treating.3. The method of claim 1 , wherein the base is non-nucleophilic.4. The method of claim 3 , wherein the base is organic.5. The method of claim 4 , wherein the organic base is selected from the group consisting of aziridines claim 4 , azetidines claim 4 , piperazines claim 4 , piperidines claim 4 , pyridines claim 4 , bipyridines claim 4 , terpyridines claim 4 , dihydropyridines claim 4 , morpholines: N-alkylmorpholines claim 4 , 1 claim 4 ,4-diazabicyclo[2.2.2]octanes claim 4 , 1 claim 4 ,8-diazabicycloundecanes claim 4 , 1 claim 4 ,8-diazabicycloundecenes claim 4 , dimethylated pentylamines claim 4 , trimethylated pentylamines claim 4 , pyrimidines claim 4 , pyrroles claim 4 , pyrrolidines claim 4 , pyrrolidinones claim 4 , indoles claim 4 , indolines indanones claim 4 , benzindazones claim 4 , imidazoles claim 4 , benzimidazoles claim 4 , imidazolones claim 4 , imidazolines claim 4 , oxazoles claim 4 , isoxazoles claim 4 , oxazolines claim 4 , oxadiazoles claim 4 , thiadiazoles claim 4 , carbazoles claim 4 , quinolines claim 4 , isoquinolines claim 4 , naphthyridines claim 4 , triazines claim 4 , triazoles claim 4 , tetrazoles claim 4 , triethylamines claim 4 ...

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23-03-2017 дата публикации

THREE-DIMENSIONAL NANOFABRICATION BY PATTERNING OF HYDROGELS

Номер: US20170081489A1
Принадлежит:

The present invention enables three-dimensional nanofabrication by isotropic shrinking of patterned hydrogels. A hydrogel is first expanded, the rate of expansion being controlled by the concentration of the crosslinker. The hydrogel is then infused with a reactive group and patterned in three dimensions using a photon beam through a limited-diffraction microscope. Functional particles or materials are then deposited on the pattern. The hydrogel is then shrunk and cleaved from the pattern. 1. A method for three-dimensional patterning of hydrogels , the method comprising the steps of:a. providing a polymer gel material; andb. infusing the polymer gel material with at least one reactive group to form reactive group sites; andc. illuminating selected voxels within the polymer gel material to yield a three-dimensional pattern of reactive group sites anchored to the polymer gel material; andd. removing excess reactive groups from the polymer gel material; ande. depositing functional molecules or nanoparticles on the reactive group sites.2. The method of claim 1 , wherein the reactive group is attached to the polymer gel material by a reaction between a fluorophore compound and the polymer gel material.3. The method of claim 1 , wherein the polymer gel material is swellable.4. The method of claim 3 , further comprising the step of expanding the swellable polymer gel material to yield an expanded material.5. The method of claim 4 , further comprising the step of shrinking the expanded material to yield a shrunken material.6. The method of claim 5 , wherein shrinking the expanded material is achieved by exposing the expanded material to high salt or hydrochloric acid.7. The method of claim 6 , further comprising the step of dehydrating the shrunken material where hydrochloric acid was used to shrink the expanded material.8. The method of claim 1 , wherein the polymer gel material comprises a crosslinker.9. The method of claim 8 , wherein the crosslinker of the polymer gel ...

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21-03-2019 дата публикации

Medical Devices Having Activated Surfaces

Номер: US20190085143A1
Принадлежит:

Implantable biocompatible polymeric medical devices include a substrate with an acid or base-modified surface which is subsequently modified to include click reactive members. 13-. (canceled)4. A medical device having an acid or base-treated surface that is functionalized with one or more click reactive members to provide an activated surface on the medical device.5. The medical device of claim 4 , wherein the medical device comprises a biodegradable polymer selected from collagen claim 4 , cellulose claim 4 , poly (amino acids) claim 4 , polysaccharides claim 4 , hyaluronic acid claim 4 , gut claim 4 , copolymers and combinations thereof.6. The medical device of claim 4 , wherein the medical device comprises a non-degradable polymer selected from fluorinated polymers claim 4 , polyolefins claim 4 , nylons claim 4 , polyamides claim 4 , polyurethanes claim 4 , silicones claim 4 , ultra high molecular weight polyethylene claim 4 , polybutesters claim 4 , polyaryletherketone claim 4 , copolymers and combinations thereof.7. The medical device of claim 4 , wherein the one or more click reactive members are selected from the group consisting of thiols claim 4 , azides claim 4 , alkynes and alkenes.8. The medical device of claim 4 , wherein the one or more click reactive members comprise a thiol.9. The medical device of claim 4 , wherein the one or more click reactive members comprise an azide.10. The medical device of claim 4 , wherein the one or more click reactive members comprise an alkyne.11. The medical device of claim 4 , wherein the one or more click reactive members comprise an alkene.12. The medical device of claim 4 , wherein the medical device is selected from the group consisting of monofilament sutures claim 4 , multifilament sutures claim 4 , surgical meshes claim 4 , ligatures claim 4 , sutures claim 4 , staples claim 4 , slings claim 4 , patches claim 4 , foams claim 4 , pellicles claim 4 , films claim 4 , barriers claim 4 , stents claim 4 , catheters ...

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05-05-2022 дата публикации

Method for making photochromic contact lenses

Номер: US20220137433A1
Принадлежит: Alcon Inc

Described herein is a method for producing photochromic contact lenses, in particular, photochromic silicone hydrogel contact lenses. The method comprises a step of cast molding of a lens-forming composition including an iniferter to form an unprocessed contact lens having iniferter moieties covalently incorporated into its polymer matrix and a step of iniferter-induced graft-polymerization of a photochromic vinylic monomer to the polymer matrix only in its central region which is circular and concentric with the central axis of the unprocessed contact lens. The obtained photochromic contact lens has a central pupillary region that only can undergo a reversible color change upon exposure to UV/HEVL-radiation.

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19-03-2020 дата публикации

LOW EMISSION POLYPROPYLENE FOAM SHEETS

Номер: US20200087478A1
Принадлежит:

The invention relates to a process for the production of a foam having low organic compounds emissions, to polypropylene foamed products obtainable by the process, and to a process for the manufacture of low organic compounds emission articles comprising a foam for use in cars and food packaging. The process comprises the steps of: a) providing a foam comprising a propylene composition comprising a high melt strength propylene (HMS-PP) homopolymer or copolymer or combinations thereof, said HMS-PP foam having a melt strength of at least 25 cN at a maximum speed of at least 200 mm/s and a melting temperature of at least 135° C. and b) subjecting the HMS-PP foam to a thermal treatment at a temperature Tt which is preferably between 5 and 15° C. below the melting temperature Tm of the HMS-PP for a duration between preferably 1 and 10 minutes. 1. A process for production of a foam having low organic compounds emissions , the process comprising the steps of:{'sup': '2', 'a) providing a foam comprising a propylene composition comprising a high melt strength propylene (HMS-PP) homopolymer or copolymer or combinations thereof, said HMS-PP foam having a melt strength of at least 25 cN at a maximum speed of at least 200 mm/s, as measured in a Rheotens apparatus using a capillary die with a diameter of 2 mm and a length of 6 mm and a temperature of 200° C. with an acceleration of the melt strand drawn down of 120 mm/sec, and a melting temperature of at least 135° C. measured according to ISO-11357-3 by DSC analysis,'}b) subjecting the HMS-PP foam to a thermal treatment at a temperature Tt which is between 5 and 40° C. below the melting temperature Tm of the HMS-PP for a duration between 1 min and 2 hours.2. The process of wherein the thermal treatment is done at a treatment temperature Tt between 5 and 15° C. lower than the melting temperature of the HMS-PP and for a duration between 1 and 10 minutes.3. The process of wherein the melting temperature Tm of the HMS-PP foam is at ...

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19-03-2020 дата публикации

MULTI-STAGE RESIN SURFACE ETCHING METHOD, AND PLATING METHOD ON RESIN USING SAME

Номер: US20200087791A1
Принадлежит: JCU CORPORATION

A novel technique that is a resin etching technique without using chromic acid and can be operated at an industrial level is provided by a resin surface etching method characterized in that, in etching a resin surface, one set of the following steps (a) and (b) is performed two or more times without performing a resin swelling step: (a) a step of treating the resin surface with a solution containing an oxidizing agent and adsorbing the oxidizing agent on the resin surface, and (b) a step of activating the oxidizing agent adsorbed on the resin surface in the step (a). 1: A resin surface etching method , wherein , in etching a resin surface , one of steps (a) and (b) is performed two or more times without performing a resin swelling step:(a) a step of treating the resin surface with a solution comprising an oxidizing agent and adsorbing the oxidizing agent on the resin surface; and(b) a step of activating the oxidizing agent adsorbed on the resin surface in the step (a).2: The resin surface etching method according to claim 1 , wherein each of the steps (a) and (b) is performed for 30 seconds or more.3: The resin surface etching method according to claim 1 , wherein the oxidizing agent used in the step (a) is permanganic acid or a salt thereof.4: The resin surface etching method according to claim 1 , wherein the activation of the oxidizing agent in the step (b) is performed by a treatment with a solution comprising one or more types of activating agents selected from the group consisting of an inorganic acid claim 1 , an organic acid claim 1 , hydrogen peroxide claim 1 , a halogen oxoacid claim 1 , a halogen oxoacid salt claim 1 , and a persulfate.5: The resin surface etching method according to claim 1 , wherein the activation of the oxidizing agent in the step (b) is performed by a treatment with a solution comprising one or more types of activating agents selected from the group consisting of sulfuric acid claim 1 , phosphoric acid claim 1 , hydrochloric acid ...

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01-04-2021 дата публикации

POLYMERIC SUBSTRATES WITH ATTACHED THIOCARBONYLTHIO-CONTAINING GROUPS

Номер: US20210095088A1
Принадлежит:

First articles with covalently attached thiocarbonylthio-containing groups are provided. More specifically, the first articles are a functionalized substrate that contains a solid polymeric substrate with a plurality of thiocarbonylthio-containing groups covalently attached directly to carbon atoms in a polymeric backbone of the solid polymeric substrate. Methods of making the first articles with covalently attached thiocarbonylthio-containing groups are provided. Additionally, second articles and methods of using the first articles to generate second articles with covalently attached polymeric chains are provided. 1. A method of making a first article comprising a functionalized substrate , the method comprising:providing a solid polymeric substrate;generating free radicals on a surface of the solid polymeric substrate to form a treated substrate; andreacting the free radicals of the treated substrate with a fluid comprising a thiocarbonylthio-containing compound to covalently bond a plurality of thiocarbonylthio-containing groups directly to carbon atoms in a polymeric backbone of the solid polymeric substrate and forming the functionalized substrate.2. The method of claim 1 , wherein generating free radicals on the surface of the solid polymeric substrate comprises:applying a coating layer comprising a type II photoinitiator to the surface of the solid polymeric substrate; andirradiating the coating layer with ultraviolet radiation to abstract hydrogen atoms from the solid polymeric substrate to form the treated substrate.3. The method of claim 2 , wherein the thiocarbonylthio-containing compound is present when generating free radicals on the surface of the solid polymeric substrate.4. The method of claim 1 , wherein generating free radicals on the surface of the solid polymeric substrate to form the treated substrate comprises exposing the solid polymeric substrate to electron beam radiation claim 1 , gamma radiation claim 1 , or to a plasma.5. The method of ...

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28-03-2019 дата публикации

PLASMA TREATMENT WITH NON-POLYMERIZING COMPOUNDS THAT LEADS TO REDUCED BIOMOLECULE ADHESION TO THERMOPLASTIC ARTICLES

Номер: US20190092916A1
Автор: Felts John T., TAHA Ahmad
Принадлежит:

A method is provided for treating a surface of a substrate. The method includes treating the surface with plasma comprising one or more non-polymerizing compounds. The converted surface has a biomolecule recovery percentage greater than the biomolecule recovery percentage of the surface prior to treatment according to the method. 1. A method for treating a surface , optionally a surface of a substrate or a surface of a material , comprising: treating the surface with conditioning plasma , conversion plasma , or both of one or more non-polymerizing compounds to form a converted surface.2. The method of claim 1 , in which treating the surface is carried out by: employing a second treatment step that includes remote conversion treatment of the surface with a conversion plasma of water vapor to form a converted surface, where the ratio of the radiant energy density at the remote point of conversion treatment to the radiant energy density at the brightest point of the conversion plasma is less than 0.5, alternatively less than 0.25, alternatively substantially zero, alternatively zero;', 'wherein after the second treatment step the converted surface has a biomolecule recovery percentage greater than the biomolecule recovery percentage of the surface prior to treatment according to the method, optionally after 24 hours., 'employing a first treatment step that includes remote conditioning treatment of the surface with conditioning plasma of one or more non-polymerizing compounds at a remote point, where the ratio of the radiant energy density at the remote point to the radiant energy density at the brightest point of the conditioning plasma is less than 0.5, alternatively less than 0.25, alternatively substantially zero, alternatively zero; and'}3. The method of claim 1 , wherein the treated surface has a biomolecule recovery percentage of at least 40% claim 1 , optionally at least 45% claim 1 , optionally at least 50% claim 1 , optionally at least 55% claim 1 , optionally ...

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05-04-2018 дата публикации

METHOD AND APPARATUS FOR PRODUCING A POLARIZED RESIN FILM

Номер: US20180097338A1
Принадлежит:

An object of the present invention is to provide a polarized vinylidene fluoride/tetrafluoroethylene copolymer resin film that can significantly reduce, when used as an optical film, the deterioration of the quality of video or still images formed by display elements. 12-. (canceled)3. A method for producing a polarized resin film , comprising:step A of charging a non-polarized resin film directly placed on a ground electrode by a corona treatment using a first electrode while applying a voltage between the first electrode and the ground electrode, thereby attaching the non-polarized resin film to the ground electrode by static electricity; andstep B of polarizing the non-polarized resin film attached to the ground electrode by a corona treatment using a second electrode while applying a voltage between the second electrode and the ground electrode.4. The production method according to claim 3 , wherein step A is carried out while the non-polarized resin film directly placed on the ground electrode is moved relative to the first electrode claim 3 , andthe first electrode comprises a plurality of needle electrodes arranged perpendicular to the moving direction.5. The production method according to claim 3 , wherein the non-polarized resin film is an odd-chain nylon film or a polyvinylidene fluoride-based resin.6. The production method according to claim 3 , wherein the non-polarized resin film is a polyvinylidene fluoride-based resin.7. The production method according to claim 6 , wherein the polyvinylidene fluoride-based resin is a vinylidene fluoride/tetrafluoroethylene copolymer resin film.8. An apparatus for producing a polarized resin film claim 6 , comprising a first electrode and a second electrode;wherein the first electrode is provided to face a ground electrode to be moved, and generates a corona discharge upon a voltage applied between the first electrode and the ground electrode, thereby charging a non-polarized resin film placed on the ground electrode ...

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16-04-2015 дата публикации

METHOD OF INCREASING STRENGTH OF A PANEL EDGE

Номер: US20150104584A1
Принадлежит: HENGHAO TECHNOLOGY CO. LTD

A method of increasing strength of a panel edge includes providing a panel having a lateral surface treated by plasma. An elastic material is provided, photoinitiator is added therein, and the elastic material is then liquefied by heating. Subsequently, the liquefied elastic material is sprayed on the lateral surface, and is then cured to result in a protective layer bonded on the lateral surface. 1. A method of increasing strength of a panel , comprising:providing a panel having a first surface, a second surface and at least one lateral surface, the first surface being opposite the second surface, and the lateral surface being adjacent between the first surface and the second surface;treating the lateral surface by plasma;providing an elastic material;adding photoinitiator in the elastic material;liquefying the elastic material by heating;spraying the liquefied elastic material on the lateral surface; andcuring the elastic material to result in a protective layer bonded on the lateral surface.2. The method of claim 1 , wherein the panel comprises glass claim 1 , ceramics or their combination.3. The method of claim 1 , wherein the panel constitutes a transparent substrate of a touch module.4. The method of claim 1 , prior plasma treatment claim 1 , further comprising a step of cleaning the lateral surface of the panel to remove impurities on the lateral surface.5. The method of claim 4 , wherein the cleaning step comprises using cleaning solution composed of alcohol or ketone to clean the lateral surface.6. The method of claim 4 , prior cleaning step claim 4 , further comprising a step of subjecting the lateral surface to a physical strengthening treatment or a chemical strengthening treatment.7. The method of claim 1 , wherein the elastic material comprises rubber claim 1 , acrylic resin claim 1 , polymer or plastic.8. The method of claim 1 , wherein the photoinitiator comprises ultraviolet (UV) initiator.9. The method of claim 1 , wherein the heated elastic ...

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12-04-2018 дата публикации

IMINODIACETATE CHELATING RESIN AND MANUFACTURING METHOD THEREFOR

Номер: US20180100055A1
Принадлежит: MITSUBISHI CHEMICAL CORPORATION

The present invention relates to an iminodiacetic acid chelating resin, wherein the water amount in the resin is from 50 to 75% and the volume ratio of Na form/H form is from 1.4 to 1.8. Furthermore, the present invention relates to a method for producing an iminodiacetic acid chelating resin, wherein an alcohol is used as a solvent for the amination reaction of a chloromethylated styrene crosslinked copolymer with iminodiacetonitrile or sodium iodide and/or potassium iodide is used as a catalyst for the amination reaction. 1. An iminodiacetic acid chelating resin , wherein the water amount in the resin is from 50 to 75% and the volume ratio of Na form/H form is from 1.4 to 1.8.2. The iminodiacetic acid chelating resin according to claim 1 , wherein the infrared absorption spectrum obtained by infrared absorption analysis has a downwardly convex peak in the range of 2 claim 1 ,100 to 2 claim 1 ,300 cm.3. The iminodiacetic acid chelating resin according to claim 1 , wherein the degree of porosity is from 60 to 90%.4. The iminodiacetic acid chelating resin according to claim 1 , wherein the degree of crosslinking is from 4 to 7%.5. A method for producing an iminodiacetic acid chelating resin claim 1 , comprising aminating a chloromethylated styrene crosslinked copolymer with iminodiacetonitrile claim 1 , and hydrolyzing the aminated styrene crosslinked copolymer claim 1 , wherein:an alcohol is used as a solvent for the amination reaction.6. The method for producing an iminodiacetic acid chelating resin according to claim 5 , wherein sodium iodide and/or potassium iodide is used as a catalyst for the amination reaction.7. A method for producing an iminodiacetic acid chelating resin claim 5 , comprising aminating a chloromethylated styrene crosslinked copolymer with iminodiacetonitrile claim 5 , and hydrolyzing the aminated styrene crosslinked copolymer claim 5 , wherein:sodium iodide and/or potassium iodide is used as a catalyst for the amination reaction.8. The method ...

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04-04-2019 дата публикации

HOLLOW PARTICLES AND USE OF SAME

Номер: US20190100637A1
Принадлежит: SEKISUI PLASTICS CO., LTD.

Hollow particles each having a shell composed of at least one layer, wherein the at least one layer contains a nitrogen atom-containing resin having a refractive index of 1.57 or less. 1. Hollow particles each having a shell composed of at least one layer , wherein said at least one layer contains a nitrogen atom-containing resin having a refractive index of 1.57 or less.2. The hollow particles according to claim 1 , wherein said nitrogen atom-containing resin has an abundance ratio N of a nitrogen atom and an abundance ratio C of a carbon atom satisfying a relationship of 0.03≤N/C≤0.2 in measurement by XPS.3. The hollow particles according to claim 1 , wherein said nitrogen atom-containing resin is an organic-inorganic hybrid resin containing a silicon component.4. The hollow particles according to claim 1 , which have an average particle diameter of 10 to 150 nm.5. The hollow particles according to claim 1 , wherein said nitrogen atom-containing resin is a nitrogen atom-containing vinyl-based resin composed of a vinyl-based monomer.6. The hollow particles according to claim 1 , wherein said hollow particles each have a surface treated with a compound having at least one anionic group.7. The hollow particles according to claim 6 , wherein said compound having an anionic group is selected from hydrochloric acid claim 6 , an oxo acid claim 6 , and a derivative of these acids.8. The hollow particles according to claim 7 , wherein said compound having an anionic group is selected from a carboxylic acid compound claim 7 , a sulfonic acid compound claim 7 , and a phosphoric acid ester compound.9. A dispersion comprising the hollow particles as defined in .10. A coating agent comprising the hollow particles as defined in .11. A heat-insulating film comprising the hollow particles as defined in . The present invention relates to hollow particles and use of same. More particularly, the present invention relates to hollow particles that have a small particle diameter, have ...

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19-04-2018 дата публикации

BENZYL (METH)ACRYLATE MONOMERS SUITABLE FOR MICROSTRUCTURED OPTICAL FILMS

Номер: US20180106928A1
Принадлежит:

Presently described are optical films comprising a polymerized (e.g. microstructured) surface that comprises the reaction product of a polymerizable resin composition and polymerizable resin compositions that comprise nanoparticles; at least one first monomer comprising at least two (meth)acrylate groups; and at least one second (meth)acrylate monomer having the structure 2. The optical film of wherein t is 1.4. The optical film of wherein the monomer has a refractive index of at least 1.54.5. The optical film of wherein the monomer has a viscosity of less than 100 cps at 25° C.6. The optical film of wherein the first monomer comprises at least two aromatic rings.7. The optical film of wherein the first monomer is a bisphenol claim 6 , fluorene or biphenyl (meth)acrylate monomer.8. The optical film of wherein the polymerizable resin comprises up to 15 wt-% of one or more first monomers comprising at least two (meth)acrylate groups.9. The optical film of wherein the first monomer comprising at least two (meth)acrylate groups has a molecular weight of at least 350 g/mole.10. The optical film of wherein the polymerizable resin composition is non-halogenated.11. The optical film of wherein the nanoparticles have a refractive index of at least 1.60.12. The optical film of wherein the nanoparticles comprise zirconia.13. The optical film of wherein the polymerizable resin comprises at least 40 wt-% nanoparticles.14. The optical film of wherein the optical film is a brightness enhancing film.15. The optical film of wherein the brightness enhancing film has a single sheet relative gain of at least 1.75. Certain microstructured optical products, such as described in U.S. 2005/0148725, are commonly referred to as a “brightness enhancing films”. Brightness enhancing films are utilized in many electronic products to increase the brightness of a backlit flat panel display such as a liquid crystal display (LCD) including those used in electroluminescent panels, laptop computer ...

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20-04-2017 дата публикации

POLYMER SUBSTRATE WITH HARD COAT LAYER AND MANUFACTURING METHOD FOR SUCH POLYMER SUBSTRATE

Номер: US20170107345A1
Принадлежит:

The present invention realizes a polymer substrate with hard coating layer comprising a high level of environmental resistance and a high level of abrasion resistance. 2. The polymer substrate with hard coating layer according to claim 1 , wherein the ratio of infrared absorbance of the silicon oxide layer at a wave number of 930 cmto that at a wave number of 1020 cm(α/α) is 0.30 or less.3. The polymer substrate with hard coating layer according to claim 1 , wherein the ratio of infrared absorbance of the silicon oxide layer at a wave number of 1280 cmto that at a wave number of 1020 cm(α/α) is within the range of 0.002 to 0.020.4. The polymer substrate with hard coating layer according to claim 1 , wherein indentation hardness of the surface of the silicon oxide layer as determined by measuring nanoindentation under conditions of a maximum load of 1 mN is 3 GPa or more.5. The polymer substrate with hard coating layer according to claim 1 , wherein surface roughness (Ra) of the silicon oxide layer when measured using the dynamic force mode (DFM) of a scanning probe microscope under conditions of observing by 5.0 μm square is 5.0 nm or less.6. The polymer substrate with hard coating layer according to claim 1 , wherein an adhesive layer containing an acrylic resin composition as a main component thereof and having a film thickness of 0.1 μm to 20 μm is interposed between the polymer substrate and the cured underlayer.8. A method for producing the polymer substrate with hard coating layer according to claim 1 , comprising: adjusting the surface of the cured underlayer so that the ratio of infrared absorbance at a wave number 1065 cmto that at a wave number of 1020 cm(α/α) is within the range of 0.75 to 0.87 claim 1 , prior to laminating the silicon oxide layer by PE-CVD.9. A method for producing the polymer substrate with hard coating layer according to claim 1 , comprising: adjusting the surface of the cured underlayer so that surface roughness (Ra) in the case of ...

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28-04-2016 дата публикации

HYDROPHILIC FLUOROPLASTIC SUBSTRATES

Номер: US20160115286A1
Принадлежит:

Hydrophilic fluoroplastic substrates and methods of making hydrophilic fluoroplastic substrates from 4-acryloylmorpholine are disclosed. 1. A method of treating a fluoroplastic substrate comprising:{'sub': 2', '2', '2', '2, '(a) providing a fluoroplastic substrate comprising a polymer having a structural unit selected from —CHF—, —CHCF—, or —CFCH—;'}(b) contacting the fluoroplastic substrate with a composition comprising 4-acryloylmorpholine; and(c) exposing the fluoroplastic substrate to a controlled amount of ionizing radiation selected from at least one of: e-beam, x-ray, and gamma radiation so as to form a surface treatment on the fluoroplastic substrate comprising a grafted, radiation-initiated reaction product of the composition attached to the surfaces of the fluoroplastic substrate.2. The method of claim 1 , wherein the fluoroplastic substrate is first contacted with the composition and then exposed to the controlled amount of radiation.3. The method of claim 1 , wherein the fluoroplastic substrate is first exposed to the controlled amount of radiation and then contacted with the composition.4. The method of claim 1 , wherein the composition further comprises diacetone acrylamide.5. The method of claim 1 , wherein the fluoroplastic substrate is selected from a thermally-induced phase separation (TIPS) membrane claim 1 , a solvent-induced phase separation (SIPS) membrane claim 1 , or a combination thereof.6. The method of claim 1 , wherein the fluoroplastic substrate is a non-woven.7. A surface-treated fluoroplastic substrate made from .8. An article comprising:{'sub': 2', '2', '2', '2, 'a porous fluoroplastic substrate comprising a polymer having structural unit selected from —CHF—, —CHCF—, or —CFCH— and having interstitial and outer surfaces; and'}a surface-treatment thereon the porous fluoroplastic substrate, wherein the surface-treatment is a grafted reaction product of a composition comprising 4-acryloylmorpholine.9. An article comprising:{'sub': 2', '2 ...

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10-07-2014 дата публикации

SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC BODY

Номер: US20140194547A1
Автор: Minagawa Yasuhisa
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The present invention aims to provide a method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, which is capable of cost-effectively imparting a variety of functions, such as sliding properties and biocompatibility, according to the applications. The present invention relates to a surface modification method for surface-modifying an object of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points A on a surface of the object; step 2 of radically polymerizing a non-functional monomer, starting from the polymerization initiation points A, to grow non-functional polymer chains; step 3 of forming polymerization initiation points B on the surface of the object where the non-functional polymer chains are formed; and step 4 of radically polymerizing a functional monomer, starting from the polymerization initiation points B, to grow functional polymer chains. 1. A surface modification method for surface-modifying an object of a rubber vulcanizate or a thermoplastic elastomer , the method comprising:step 1 of forming polymerization initiation points A on a surface of the object;step 2 of radically polymerizing a non-functional monomer, starting from the polymerization initiation points A, to grow non-functional polymer chains;step 3 of forming polymerization initiation points B on the surface of the object where the non-functional polymer chains are formed; andstep 4 of radically polymerizing a functional monomer, starting from the polymerization initiation points B, to grow functional polymer chains.2. The surface modification method according to claim 1 ,wherein the step 1 comprises adsorbing a polymerization initiator A onto the surface of the object to form the polymerization initiation points A, andthe step 3 comprises adsorbing a polymerization initiator B onto the surface of the object where the non-functional polymer chains are formed, to form the polymerization initiation ...

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26-04-2018 дата публикации

METHOD FOR PRODUCING SHAPED BODIES HAVING A RADIATION-CURED COATING

Номер: US20180112051A1
Принадлежит:

The present invention relates to a method for producing shaped bodies having a radiation-cured coating, comprising the steps of:—providing a coated film, wherein the film comprises a radiation-curable coating, wherein the coating comprises a polyurethane polymer which has (meth)acrylate groups and is obtainable from the reaction of a reaction mixture comprising: (a) polyisocyanates and (b1) compounds which comprise (meth)acrylate groups and are reactive toward isocyanate, (b2) at least one photoinitiator, and wherein the coating further comprises inorganic nanoparticles having a median particle size of=1 nm to =200 nm,—forming the shape body,—curing the radiation-curable coating by means of LED UV radiation. 113.-. (canceled)14. A method for producing shaped bodies having a radiation-cured coating , comprising (a) polyisocyanates and', '(b1) compounds which are reactive to isocyanates and which comprise (meth)acrylate groups', '(b2) at least one photoinitiator, 'preparation of a coated film, wherein the film comprises a radiation-curable coating, wherein the coating comprises a polyurethane polymer, which has (meth)acrylate groups and which is obtainable from the reaction of a reaction mixture comprisingand wherein the coating furthermore comprises inorganic nanoparticles with a mean particle size of ≥1 nm to ≤200 nm,shaping of the shaped bodycuring the radiation-curable coating by LED UV radiation.optionally after the curing with LED UV radiation, curing with UVC radiation.15. The method according to claim 14 , wherein the shaping of the shaped body takes place in a tool at a pressure of ≥20 bar to ≤150 bar.16. The method according to claim 14 , wherein the shaping of the shaped body takes place at a temperature of ≥20° C. to ≤60° C. below the softening temperature of the material of the film.17. The method according to claim 14 , furthermore comprising the step:applying a polymer to the side of the film opposite the cured layer.18. The method according to claim 14 ...

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27-04-2017 дата публикации

HYDROGEL ADHESION TO MOLDED POLYMERS

Номер: US20170114200A1
Автор: Alarcon Javier
Принадлежит:

Methods for adhering a hydrogel matrix to a molded polymer substrate and its use as a biosensor, e.g., a continuous or episodic glucose monitor, are disclosed. The presently disclosed subject mater provides a method for adhering a hydrogel matrix to a molded polymer substrate, the method comprising; (a) molding a polymer comprising one or more polymer chains with an oxidizer to form a molded polymer substrate; (b) providing a hydrogel matrix comprising a hydrogel, a component comprising one or more acrylate groups or another functional group that can form one or more radicals upon polymerization in the molded polymer substrate, and a photo initiator; (c) combining the molded polymer substrate and the hydrogel matrix; and (d) curing the combined molded polymer substrate and hydrogel matrix for a period of fime. 1. A biosensor comprising a hydrogel matrix covalently bound to a molded polymer substrate , wherein the hydrogel matrix comprises a protein-reporter group.2. The biosensor of claim 1 , wherein the hydrogel matrix comprises polyethylene glycol dimethacrylate.3. The biosensor of claim 1 , wherein the molded polymer substrate comprises a material selected from the group consisting of a polycarbonate claim 1 , a polystyrene claim 1 , a polyethylene claim 1 , a copolyester claim 1 , and a polypropylene.4. The biosensor of claim 1 , wherein the protein comprises a glucose binding protein (GBP).5. The biosensor of claim 1 , wherein said hydrogel matrix is a polyhydroxy acid selected from the group consisting of polylactic acid claim 1 , polyglycolic acid claim 1 , polycaproic acid claim 1 , polybutyric acid claim 1 , polyvaleric acid claim 1 , and copolymers thereof.6. The biosensor of claim 1 , wherein said polymer substrate is polyethylene terephthalate.7. The biosensor of claim 1 , wherein said protein-reporter group is labeled with a fluorescent dye.8. The biosensor of claim 1 , wherein said protein-reporter group is a horseradish peroxidase or an antibody.10. ...

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