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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 17297. Отображено 100.
19-01-2012 дата публикации

Ultraviolet curable coating

Номер: US20120015110A1
Автор: DONG Tian, Larry W. Leininger
Принадлежит: Individual

Ultraviolet curable compositions are disclosed that can be applied to achieve a uniform gloss after curing even under conditions of varying ultraviolet intensity during curing, that do not require continuous agitation to keep flattening agents and other additives suspended prior to application of the composition, and/or which do not exhibit a significant increase in viscosity over time in a roll coater application.

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Номер записи: 1
26-01-2012 дата публикации

Emissive semi-interpenetrating polymer networks

Номер: US20120018716A1
Автор: Gary Gibson, James A. Brug, Lihua Zhao, Sity Lam, Zhang-Lin Zhou
Принадлежит: Hewlett Packard Development Co LP

An emissive semi-interpenetrating polymer network (E-semi-IPN) includes a semi-interpenetrating polymer network and an emissive material interlaced in the polymer network. The semi-interpenetrating polymer network includes in a crosslinked state one or more of a polymerized organic monomer and a polymerized organic oligomer, polymerized water soluble polymerizable agent, and one or more polymerized polyfunctional cross-linking agents. The E-semi-IPN may be employed as an E-semi-IPN layer ( 16, 36, 56 ) in organic light emitting devices ( 10, 20, 30, 40 ).

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Номер записи: 2
09-02-2012 дата публикации

Anion exchange membrane and method for producing same

Номер: US20120035280A1
Автор: Atsushi Jikihara, Kenichi Kobayashi, Naoki Fujiwara
Принадлежит: Kuraray Co Ltd

There is provided an anion exchange membrane comprising, as a main element, a block copolymer having a vinyl alcohol polymer block and a cationic-group containing polymer block as components and which is subjected to a crosslinking treatment. An anion exchange membrane is produced by heating a film obtained from a solution of the block copolymer at a temperature of 100° C. or more, crosslinking the film with a dialdehyde compound in water, an alcohol or a mixture of these under an acidic condition and then washing the film with water. Thus, there can be provided an anion exchange membrane in which organic fouling can be prevented and which exhibiting excellent basic properties such as a membrane resistance and an ionic transport number and excellent membrane strength.

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Номер записи: 3
16-02-2012 дата публикации

Method for manufacturing porous structure and method for forming pattern

Номер: US20120037594A1
Автор: Koji Asakawa, Toshiro Hiraoka, Yasuyuki Hotta, Yoshihiro Akasaka
Принадлежит: Individual

A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer chains constituting the block copolymer or graft copolymer, the ratio between N/(Nc−No) values of monomer units constituting respective polymer chains is 1.4 or more, where N represents total number of atoms in the monomer unit, Nc represents the number of carbon atoms in the monomer unit, No represents the number of oxygen atoms in the monomer unit.

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Номер записи: 4
16-02-2012 дата публикации

Water absorbent resin production method, water absorbent resin, and usage thereof

Номер: US20120037847A1
Автор: Kazushi Torii, Taishi Kobayashi
Принадлежит: NIPPON SHOKUBAI CO LTD

A method for producing a water absorbent resin by (i) polymerizing a monomer including an unsaturated monomer containing a carboxyl group, in the presence of an internal cross-linking agent (A) having two or more radical polymerizable unsaturated groups and in the presence of a non-polymeric internal cross-linking agent (B) having two or more functional groups each allowing formation of an ester bond or an amide bond by reacting with a carboxyl group, while crushing a cross-linked polymer hydrogel; and (ii) drying the cross-linked polymer hydrogel of step (i), wherein: an amount of the internal cross-linking agent (A) is 0.01 mol % or more and 0.2 mol % or less relative to an amount of the unsaturated monomer containing a carboxyl group, and a molar ratio (B)/(A) of the internal cross-linking agent (A) and the non-polymeric internal cross-linking agent (B) is 0.01 or more and 1.8 or less.

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Номер записи: 5
15-03-2012 дата публикации

Multifunctional ambient lighting compositions

Номер: US20120063149A1
Автор: John R. Mangiardi
Принадлежит: Individual

An acrylic or other polymer composition, optionally containing aluminum trihydrate, and having undoped and/or doped titanium dioxide dispersed evenly throughout is disclosed. Said composition provides a sterile surface which can be renewed. Said composition provides a highly sterile surface upon photoactivation of the surface by at least either low-level ultraviolet irradiation or ambient/natural light (as when using doped titanium dioxide). A method of using such a surface material is also disclosed. Said acrylic or other polymer composition may be adhered onto a polycarbonate or other polymeric backing, optionally by an intervening layer of a third polymer. The resulting acrylic or other polymer/polycarbonate or other polymer combination is adapted to provide ambient lighting when exposed to a light source.

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Номер записи: 6
15-03-2012 дата публикации

Methods to produce polymer nanoparticles and formulations of active ingredients

Номер: US20120065071A1
Автор: Darren J. Anderson, Fugang Li, Hung Pham
Принадлежит: Vive Nano Inc

The present invention provides a composition including a polymer nanoparticle and at least one agricultural active compound incorporated with the nanoparticle, wherein the nanoparticle are less than 100 nm in diameter, and the polymer includes a polyelectrolyte.

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Номер записи: 7
22-03-2012 дата публикации

Resin composition for laser engraving, relief printing plate precursor for laser engraving and process for producing same, and relief printing plate and process for making same

Номер: US20120067236A1
Автор: Hisao Yamamoto
Принадлежит: Fujifilm Corp

A resin composition is provided that includes (Component A) a filler having an ethylenically unsaturated group, (Component B) a polymerizable compound having an ethylenically unsaturated group, and (Component C) a polymerization initiator. There are also provided a relief printing plate precursor, a process for producing a relief printing plate precursor that includes a layer formation step of forming a relief-forming layer and a crosslinking step of thermally crosslinking the relief-forming layer, and a process for making a relief printing plate that includes an engraving step of laser-engraving the crosslinked relief-forming layer so as to form a relief layer.

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Номер записи: 8
17-05-2012 дата публикации

Thermally expanded microspheres and a process for producing the same

Номер: US20120121907A1
Автор: Ichiro Takahara, Katsushi Miki, Kenichi Kitano, Takayuki Aoki, Takeshi Inohara, Toshiaki Masuda
Принадлежит: Matsumoto Yushi Seiyaku Co Ltd

The present invention provides heat-expanded microspheres having high packing efficiency, and a production method thereof. The heat-expanded microspheres are produced by expanding heat-expandable microspheres, which comprise shell of thermoplastic resin and a blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin and have an average particle size from 1 to 100 micrometer, at a temperature not lower than their expansion initiating temperature, and the heat-expanded microspheres result in a void fraction not higher than 0.70.

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Номер записи: 9
28-06-2012 дата публикации

Process for Preparing Composite Membranes

Номер: US20120165420A1
Автор: Johannes Adrianus Wilhelmus Van Engelen, Vinodnarain Veedprakash Bhikhi
Принадлежит: FUJIFILM MANUFACTURING EUROPE BV

A process for preparing a composite membrane comprising acidic and/or basic groups comprising the following steps: (i) applying a curable composition to a support; and (ii) curing the composition to form a membrane; wherein the curable composition comprises: (a) 18 to 78 wt % crosslinking agent(s) having at least two acrylic groups; (b) 20 to 80 wt % curable compound(s) having one or more acidic or basic groups or groups which are convertible to acidic or basic groups; (c) 2 to 30 wt % solvent(s); and (d) 0 to 10 wt % photoinitiator(s). The membranes are particularly useful for water purification or for the generation of electricity from two streams differing in salt concentration.

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Номер записи: 10
19-07-2012 дата публикации

Particulate water absorbent and process for production thereof

Номер: US20120184670A1
Автор: Hiroko Ueda, Katsuyuki Wada, Koji Honda, Kozo Nogi, Masato Abe, Motohiro Imura, Taishi Kobayashi, Taku Iwamura, Yoshiro Mitsukami
Принадлежит: NIPPON SHOKUBAI CO LTD

A particulate water absorbing agent of the present invention is a water absorbing agent containing a water absorbing resin as a main component, the particulate water absorbing agent containing a polyvalent metal cation and satisfying: (1) the polyvalent metal cation is contained in an amount between 0.001 wt % and 5 wt % relative to the amount of the water absorbing agent; (2) an absorbency without pressure (CRC) is not less than 28 (g/g) and an absorbency against pressure (AAP 4.83 kPa) is not less than 10 (g/g); (3) the absorbency against pressure and the absorbency without pressure satisfy 77≦AAP (4.83 kPa)+1.8×CRC≦100; and (4) a moisture content of the water absorbing agent is between 5 wt % and 20 wt %. This provides a water absorbing agent which has blocking resistance after moisture absorption, is excellent in stability to shock and suppresses Re-Wet when used in a diaper.

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Номер записи: 11
02-08-2012 дата публикации

Method for re-wetting surface post-cross-linked, water-absorbent polymer particles

Номер: US20120196987A1
Автор: Jürgen Schröder, Matthias Weismantel, Rüdiger Funk, Thomas Pfeiffer
Принадлежит: BASF SE

A process for producing water-absorbing polymer particles, wherein surface postcrosslinked water-absorbing polymer particles are remoisturized and classified, and wherein the time between remoisturization and classification is at least 15 minutes.

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Номер записи: 12
09-08-2012 дата публикации

Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants

Номер: US20120202937A1
Автор: Bolette Urtel, Dieter Faul, Ewald Heintz, Ruth Wirschem
Принадлежит: BASF SE

An aqueous solution of acrylic acid polymers having a total phosphorus content of organically and possibly inorganically bound phosphorus, wherein (a) a first portion of the phosphorus is present in the form of phosphinate groups bound within the polymer chain, (b) a second portion of the phosphorus is present in the form of phosphinate and/or phosphonate groups bound at the polymer chain end, (c) possibly a third portion of the phosphorus is present in the form of dissolved inorganic salts of phosphorus, wherein at least 76% of the total phosphorus content is present in the form of phosphinate groups bound within the polymer chain.

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Номер записи: 13
04-10-2012 дата публикации

Curable Compositions And Membranes

Номер: US20120248029A1
Автор: Bastiaan Van Berchum, Harro Antheunis, Jacko Hessing
Принадлежит: FUJIFILM MANUFACTURING EUROPE BV

A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii)12 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and a cationic group; (iii) 10 to 70 wt % solvent; (iv) 0 to 10 wt % of free radical initiator; and (v) lithium and/or calcium salt. The compositions are useful for preparing ion exchange membranes.

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Номер записи: 14
04-10-2012 дата публикации

Curable Compositions And Membranes

Номер: US20120248030A1
Автор: Bastiaan Van Berchum, Harro Antheunis, Jacko Hessing
Принадлежит: FUJIFILM MANUFACTURING EUROPE BV

A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 12 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and a cationic group; (iii) 15 to 70 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; and (v) 2 to 50 wt % of non-curable salt; wherein the composition has a pH of 1 to 12. The compositions are useful for preparing ion exchange membranes.

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Номер записи: 15
11-10-2012 дата публикации

Self-assembled particles from zwitterionic polymers and related methods

Номер: US20120259021A1
Автор: Hong Xue, Lei Zhang, Shaoyi Jiang, Zhiqiang Cao
Принадлежит: University of Washington Center for Commercialization

Zwitterionic block copolymers and zwitterionic conjugates that advantageously self-assemble into particles, particles assembled from the zwitterionic block copolymers and zwitterionic conjugates, pharmaceutical compositions that include the self-assembled particles, and methods for delivering therapeutic and diagnostic agents using the particles.

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Номер записи: 16
10-01-2013 дата публикации

Transparent bacterial cellulose nanocomposite hydrogels

Номер: US20130011385A1
Автор: Chandrakant J. Panchal, Wankei Wan, Xinsheng Li
Принадлежит: Axcelon Biopolymers Corp

A transparent polymeric nanocomposite hydrogel is provided, wherein the polymeric nanocomposite hydrogel is made from a water insoluble polymer, i.e. poly(2-hydroxyethyl methacrylate) (PHEMA) or/and crosslinked PHEMA and a water insoluble nanofiber, i.e., bacterial cellulose (BC). Disclosed is a synthetic route for polymeric nanocomposites hydrogels. The preferred polymeric nanocompositions are produced through free radical polymerization of HEMA monomer in the presence of bacterial cellulose with an assistance of ultrasound to enhance the mixing of bacterial cellulose, initiator, and the monomers. The polymeric nanocomposite hydrogel is then formed by immersion of the dry polymeric nanocomposite in water. Disclosed is a high transmittance polymer nanocomposite hydrogel with a preferred BC loading less than 0.1%, water content of about 40% in weight, good mechanical integrity and strength. The disclosed polymer nanocomposite hydrogel and compositions pertain to hydrogel applications, particularly contact lenses and optic components for biosensor.

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Номер записи: 17
10-01-2013 дата публикации

Technique for stabilizing solutions of titanium dioxide nanoparticles in acrylate polymers by means of short-pulsed uv laser irradiation

Номер: US20130012650A1
Автор: Athanassia Athanassiou, Bruno Torre, Francesca Pignatelli, Gianvito Caputo, Marco Scotto, Pantaleo Davide Cozzoli, Riccardo Carzino, Roberto Cingolani
Принадлежит: FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

A method for preparing a colloid solution of titanium dioxide nanoparticles in a solution of acrylic resin in organic solvent includes mixing titanium dioxide nanoparticles with a solution of acrylic resin in organic solvent, so as to obtain the colloid solution. The colloid solution is subjected to a stabilization treatment suitable for preventing or reducing nanoparticle aggregation, the treatment includes irradiating the colloid solution with pulsed coherent light having a wavelength substantially comprised in the ultraviolet absorption band of the titanium dioxide nanoparticles.

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Номер записи: 18
17-01-2013 дата публикации

Hydrogel synthesis

Номер: US20130018110A1
Автор: Glenn William Goodall, Joseph Peter Cook, Olga Khutoryanskaya, Vitaliy Khutoryanskiy
Принадлежит: University Of Reading

The invention provides a method for preparing a hydrogel from a hydrophilic polymer having one or more functional groups which are capable of co-reacting in a condensation reaction which method comprises the steps of: (i) preparing a solution of the polymer; (ii) heating the solution to a temperature sufficient for the condensation reaction to take place for a period of time sufficient for the hydrogel to cross-link wherein where the hydrophilic polymer comprises a first and a second hydrophilic polymer, step (i) comprises a step of mixing the hydrophilic polymers to prepare a homogeneous intimate mixture of the polymers; and wherein the heating step (ii) is carried out at a pressure greater than atmospheric pressure. The method of the invention is advantageous because it is relatively low cost, it is a safer procedure with less health & safety concerns, it is carried out in a liquid state and is not limited by film thickness.

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Номер записи: 19
07-03-2013 дата публикации

Method to form an aqueous dispersion of an ionomer

Номер: US20130059972A1
Автор: Elliott Echt, Richard Allen Hayes
Принадлежит: EI Du Pont de Nemours and Co

Disclosed is a method for forming an aqueous dispersion of an ionomer composition comprising mixing a solid ionomer composition with water heated to a temperature from about 80 to about 90° C., the solid ionomer composition comprising an ethylene acid copolymer comprising about 18 to about 30 weight % of copolymerized units of acrylic acid or methacrylic acid, based on the total weight of the parent acid copolymer, the acid copolymer having a melt flow rate from about 200 to about 1000 g/10 min., wherein about 50% to about 70% of the total carboxylic acid groups of the copolymer are neutralized to carboxylic acid salts comprising sodium cations.

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Номер записи: 20
14-03-2013 дата публикации

Laser-induced plastic foaming

Номер: US20130065979A1
Автор: David Kümmet, Hendrik Wermter, Rainer Schnee, Rüdiger WISSEMBORSKI
Принадлежит: Chemische Fabrik Budenhiem KG

A matrix material composed of polymer, preferably of thermoplastic polymer, or coating material. The matrix material includes 0.01 to 50% by weight of an additive for foaming of the matrix material which can be triggered by irradiation with laser light or IR light. The additive includes at least the following constituents: a) at least one absorber material which, embedded or dissolved in the matrix material, absorbs laser light or IR light and brings about local heating in the matrix material at the site of irradiation with laser light or IR light, and b) at least one blowing agent which, when heated due to the irradiation with laser light or IR light to temperatures above 50° C., forms a gas which foams the matrix material by decomposition, chemical conversion or reaction.

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Номер записи: 21
02-05-2013 дата публикации

Methods and compositions for textile layers and coatings

Номер: US20130109773A1
Автор: Etienne Schacht, Geert HEBBRECHT, Jan Laperre, Jorg Schelfhout, Myriam Vanneste, Peter Dubruel
Принадлежит: Universiteit Gent, Wetenschappelijk en Technisch Centrum van de Belgische Textiel

A method for preparing a solid composite material comprising a structural polymer matrix and a thermo-responsive hydrogel involves forming a substantially homogeneous blend of a cross-linkable compound and monomer, oligomer or polymer particles in a blended aqueous liquid, inducing the cross-linkable compound to cross-link to form the thermo-responsive hydrogel and forming the structural polymer matrix from the structural polymer by a further induction means.

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Номер записи: 22
30-05-2013 дата публикации

Optical material and method for modifying the refractive index

Номер: US20130138093A1
Автор: Candido D. Pinto, Dharmendra Jani, Jay F. Kunzler, Li Ding, Wayne H. Knox
Принадлежит: Bausch and Lomb Inc, UNIVERSITY OF ROCHESTER

An optical device comprising an optical hydrogel with select regions that have been irradiated with laser light having a pulse energy from 0.01 nJ to 50 nJ and a wavelength from 600 nm to 900 nm. The irradiated regions are characterized by a positive change in refractive index of from 0.01 to 0.06, and exhibit little or no scattering loss. The optical hydrogel is prepared with a hydrophilic monomer.

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Номер записи: 23
13-06-2013 дата публикации

Method for producing expandable granulates containing polylactic acid

Номер: US20130150468A1
Автор: Andreas Füssi, Andreas KÜNKEL, Bangaru Sampath, Ingo Bellin, Klaus Hahn, Maximilian Hofmann, Robert Loos, Sameer Nalawade
Принадлежит: BASF SE

The invention relates to a process for producing expandable pelletized material which comprises polylactic acid which comprises the following steps: a) melting and incorporation by mixing of the following components: i) from 50 to 99.9% by weight, based on the total weight of components i to iii), of polylactic acid, ii) from 0 to 49.9% by weight, based on the total weight of components i to iii), of one or more further polymers, iii) from 0.1 to 2% by weight, based on the total weight of components i to iii), of a diepoxide or polyepoxide, and iv) from 0 to 10% by weight of one or more additives, b) incorporation by mixing of v) from 3 to 7% by weight, based on the total weight of components i to iv), of an organic blowing agent into the polymer melt by means of a static or dynamic mixer at a temperature of at least 140° C., c) discharging through a die plate with holes, the diameter of which at the exit from the die is at most 1.5 mm, and d) pelletizing the melt comprising blowing agent directly downstream of the die plate, and under water, at a pressure in the range from 1 to 20 bar. The invention further relates to expandable pelletized material which comprises polylactic acid and which is obtainable by said process, and also to specific expandable pelletized material which comprises polylactic acid and which has a proportion of from 3 to 7% by weight of an organic blowing agent, preferably n-pentane and particularly preferably isopentane. The invention further relates to a preferred process for producing expandable pelletized material which comprises blowing agent and which comprises polylactic acid, and which has low bulk density.

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Номер записи: 24
27-06-2013 дата публикации

Laminate of an acrylic resin composition layer containing triazine based ultra-violet compounds and an organosiloxane resin composition layer

Номер: US20130165570A1
Автор: Nobuaki Takaoka, Ryou Niimi, Shunsuke Kajiwara, Takehiro Suga, Tatsuya Ekinaka, Toshio Kita
Принадлежит: Teijin Chemicals Ltd

A laminate having excellent weatherability and abrasion resistance as well as adhesion. The laminate comprises a base, a first layer formed by thermally curing an acrylic resin composition and a second layer formed by thermally curing an organosiloxane resin composition, all of which are formed in the mentioned order, wherein the acrylic resin composition comprises: (A) an acrylic copolymer which contains at least 70 mol % of a recurring unit represented by the following formula (A): wherein X is a hydrogen atom or methyl group, and Y is a methyl group, ethyl group, cycloalkyl group, hydroxyalkyl group having 2 to 5 carbon atoms or triazine-based ultraviolet absorber residue; (B) a blocked polyisocyanate compound; (C) a curing catalyst; and (D) a triazine-based ultraviolet absorber, and the organosiloxane resin composition comprises: (E) colloidal silica and (F) a hydrolysis condensate of an alkoxysilane.

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Номер записи: 25
22-08-2013 дата публикации

Cryogels of pva-boronic acid containing co-polymers for cell culture

Номер: US20130217127A1
Автор: ASHOK KUMAR
Принадлежит: INDIAN INSTITUTE OF TECHNOLOGY KANPUR

A cryogel contains a polyol and a co-polymer of Formula (I).

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Номер записи: 26
03-10-2013 дата публикации

Transfer film and method for producing same, and laminate and method for producing same

Номер: US20130258479A1
Автор: Hideto Yamazawa, Hiroshi Okafuji, Osamu Kawai, Tetsuya Sawano
Принадлежит: Mitsubishi Rayon Co Ltd

Provided is a transfer film wherein: a low-refractive-index film having a refractive index (Nx) and a high-refractive-index film having a refractive index (Ny) are laminated in this order on one surface of a peeling film; the refractive indices satisfy Nx<Ny; and the high-refractive-index film contains an aminosilane. Also provided is a laminate wherein: a high-refractive-index film and a low-refractive-index film are laminated in this order on the surface of a substrate; and the high-refractive-index film contains an aminosilane. The transfer film is obtained by successively laminating and curing a composition for the low-refractive-index film and a composition for the high-refractive-index film on the peeling film. The laminate is produced by bonding the surface of the high-refractive-index film of the transfer film to the substrate, and then peeling away the peeling film.

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Номер записи: 27
17-10-2013 дата публикации

Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles

Номер: US20130270479A1
Автор: Joseph Grill, Michael A. Mitchell, Olaf Hoeller, Patrick Hamilton, William G-J Chiang
Принадлежит: BASF SE

A process for producing surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated, before, during or after the surface postcrosslinking, with at least one salt of a trivalent metal cation and a glycinate anion.

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Номер записи: 28
24-10-2013 дата публикации

Method for the Continuous Production of Water Absorbent Polymer Particles

Номер: US20130276325A1
Автор: Karl J. Possemiers, Koen Deboel, Matthias Weismantel, Rüdiger Funk, Uwe Stueven
Принадлежит: BASF SE

A process for continuously preparing water-absorbing polymer beads, comprising the drying of a polymer gel on a forced-air belt dryer, the water content of the polymer gel being used to control the forced-air belt dryer during or after the drying.

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Номер записи: 29
14-11-2013 дата публикации

Resin blend for melting process

Номер: US20130302615A1
Автор: Eun Joo Choi, Hak Shin Kim, Houng Sik Yoo, Jin Young Ryu, Young Jun Hong
Принадлежит: LG Chem Ltd

The present invention relates to a resin blend for a melting process, to a method for preparing same, and to a resin-molded article having a specific layer separation structure, the resin blend comprising a first resin and a second resin, wherein the second resin comprises a polymer resin having an organic functional group containing one or more oxygen atoms, and has a melt viscosity difference of 0.1 to 3,000 pa*s with respect to the first resin at a shear rate of 100 to 1,000 s −1 and a processing temperature of the resin blend. The resin blend allows a resin-molded article to have enhanced mechanical properties and surface hardness, and exhibits the effects of reducing a processing time, increasing productivity and reducing production cost by eliminating an additional surface coating step.

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Номер записи: 30
21-11-2013 дата публикации

Thermally functional flame-retardant polymer member

Номер: US20130309482A1
Автор: Kohei Doi, Kunio Nagasaki, Takafumi Hida, Yusuke Sugino
Принадлежит: Nitto Denko Corp

Provided is a flame-retardant member having thermal functionality, flexibility, and a high level of flame retardancy. The thermally functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a thermally functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer.

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Номер записи: 31
21-11-2013 дата публикации

Process For Producing Thermally Surface Postcrosslinked Water-Absorbing Polymer Particles

Номер: US20130310250A1
Автор: Joerg Belack
Принадлежит: BASF SE

A process for producing thermally surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated before, during or after the thermal surface postcrosslinking with at least one complex consisting of a polyvalent metal salt and a 2-hydroxycarboxamide.

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Номер записи: 32
21-11-2013 дата публикации

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

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

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

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Номер записи: 33
05-12-2013 дата публикации

Resin foam and process for producing the same

Номер: US20130324629A1
Автор: Hironori Yasuda, Kei Yoshida, Mie Ota, Mitsuhiro Kanada, Takayuki Yamamoto, Yoshinori Kouno, Yuko Kandori
Принадлежит: Nitto Denko Corp

Provided is a resin foam which has satisfactory strain recovery, is particularly resistant to shrinkage of its cell structure caused by the resinous restitutive force at high temperatures, and exhibits superior high-temperature strain recovery. The resin foam according to the present invention is obtained from a resin composition including an elastomer and an active-energy-ray-curable compound. The resin composition gives an unfoamed measurement sample having a glass transition temperature of 30° C. or lower and a storage elastic modulus (E′) at 20° C. of 1.0×10 7 Pa or more, each determined by a dynamic viscoelastic measurement.

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Номер записи: 34
12-12-2013 дата публикации

Antireflection film, method for producing antireflection film, polarizer and image display device

Номер: US20130329297A1
Автор: Hiroshi Nakamura, Mariko Hayashi, Mayu Youki, Tomoyuki Horio, Yoshihiro Nishimura, Yuya INOMATA
Принадлежит: DAI NIPPON PRINTING CO LTD

The claimed invention provides an antireflection film including a light-transmitting substrate, a hard coat layer, and a low-refractive-index layer, the hard coat layer and the low-refractive-index layer being formed on the light-transmitting substrate, the low-refractive-index layer including a (meth)acrylic resin, hollow silica particles, reactive silica particles, and two kinds of antifouling agents, the hollow silica particles having an average particle size of 40 to 80 nm and a blending ratio to the (meth)acrylic resin, represented by a ratio: Amount of hollow silica particles/Amount of (meth)acrylic resin, of 0.9 to 1.4, the amount of the reactive silica particles being 5 to 60 parts by mass based on 100 parts by mass of the (meth) acrylic resin, the antifouling agents including an antifouling agent that contains a fluorine compound and an antifouling agent that contains a fluoro-silicone compound.

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Номер записи: 35
27-02-2014 дата публикации

Preparation method of superabsorbent polymer

Номер: US20140058048A1
Автор: Chang-Sun Han, Gi-Cheul Kim, Gyu Leem, Kyu-Pal Kim, Sang-Gi Lee, Sung-soo Park, Tae-Young Won
Принадлежит: LG Chem Ltd

The present invention relates to a method of preparing a superabsorbent polymer, including the steps of: preparing a hydrous gel phase polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; milling the dried polymer; adding a surface cross-linking agent to the milled polymer; and elevating the temperature of the polymer including the surface cross-linking agent at a speed of 3° C./min to 15° C./min, and carrying out a surface cross-linking reaction at 100° C. to 250° C.

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Номер записи: 36
06-03-2014 дата публикации

Process for producing water-absorbing polymer particles

Номер: US20140066584A1
Автор: Gregory BOYKIN, John Perry GUENTZEL, Leo Van Miert, Matthias Weismantel, Monte Peterson, Oskar Stephan, Rene CALLOT, Rüdiger Funk
Принадлежит: BASF SE

The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.

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Номер записи: 37
27-03-2014 дата публикации

Crosslinked organic porous particles

Номер: US20140087188A1
Автор: Mridula Nair
Принадлежит: Individual

Crosslinked organic porous particles are non-swellable in propyl acetate and have a crosslinked organic solid phase and discrete pores dispersed within the crosslinked organic solid phase, which discrete pores are isolated from each other. The discrete pores have an average size greater than or equal to 0.1 μm and the crosslinked organic porous particles have a mode particle size of at least 3 μm and up to and including 100 μm. The discrete pores can contain a marker material.

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Номер записи: 38
02-01-2020 дата публикации

INTERPENETRATING NETWORKS WITH COVALENT AND IONIC CROSSLINKS

Номер: US20200000967A1
Автор: Illeperuma Widusha R.K., Li Jianyu, Mooney David J., Oh Kyu H., SUN Jeong-Yun, Suo Zhigang, Vlassak Joost J., Zhao Xuanhe
Принадлежит:

The invention features a composition comprising a self-healing interpenetrating network hydrogel comprising a first network and a second network. The first network comprises covalent crosslinks and the second network comprises ionic or physical crosslinks. For example, the first network comprises a polyacrylamide polymer and second network comprises an alginate polymer. 136.-. (canceled)37. An interpenetrating networks hydrogel comprising a first network and a second network , wherein:the first network comprises a covalently crosslinked polymer selected from the group consisting of polyacrylamide, poly(vinyl alcohol), poly(ethylene oxide) and its copolymers, polyethylene glycol (PEG), methacrylated PEG, and polyphosphazene; andthe second network comprises an ionically crosslinked polymer selected from the group consisting of alginate, chitosan, and agarose; andthe covalently crosslinked polymer has a crosslinking density that is derived from a weight ratio between a covalent crosslinking agent and a monomer of the covalently crosslinked polymer of between about 0.031 wt. % and 0.124 wt. % based on the monomer weight.38. The hydrogel of claim 37 , wherein the first network and the second network are covalently coupled.39. The hydrogel of claim 37 , wherein the first network comprises polyacrylamide or polyethylene glycol (PEG) and wherein the second network comprises alginate.40. The hydrogel of claim 37 , wherein the covalent crosslinking agent is selected from the group consisting of N claim 37 ,N-methylenebisacrylamide (MBAA) claim 37 , a methacrylate crosslinker claim 37 , N claim 37 ,N′-dicyclohexylcarbodiimide (DCC) claim 37 , 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (ECC) claim 37 , N-hydroxysuccinimide claim 37 , N-hydroxysulfosuccinimide claim 37 , glutaraldehyde claim 37 , and a transglutaminase.41. The hydrogel of claim 37 , wherein the covalently crosslinked polymer has a crosslinking density that is derived from a weight ratio between a covalent ...

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Номер записи: 39
06-01-2022 дата публикации

CALIBRATION SLIDES FOR DIGITAL PATHOLOGY

Номер: US20220003639A1
Автор: Roessler Christian
Принадлежит:

In some embodiments, the present disclosure is directed to coatings or thin films comprising a dye or stain embedded within a matrix, e.g. a polymer matrix. 1. A calibration system comprising:(a) an optically transparent substrate;(b) a film having a substantially uniform thickness disposed on at least a portion of the optically transparent substrate, the film comprising a chromogenic precipitate embedded within a polymer, wherein the chromogenic precipitate is uniformly dispersed within the polymer.2. The calibration system of claim 1 , wherein the polymer is a hydrogel.3. The calibration system of claim 2 , wherein the hydrogel comprises crosslinked gelatin.4. The calibration system of claim 3 , wherein the crosslinked gelatin is derived from gelatin and an aldehyde.5. The calibration system of claim 2 , wherein the hydrogel is derived from a gelling agent and a crosslinking agent.6. The calibration system of claim 1 , wherein the polymer is an acrylate.7. The calibration system of claim 1 , wherein the chromogenic precipitate is a reaction product of a chromogen and an enzyme.8. The calibration system of claim 7 , wherein the chromogen is selected from the group consisting of 5-Bromo-4-Chloro-3-Indolyl Phosphate; 4-Chloro-2-methyl benzenediazonium; 3 claim 7 ,3′-Diaminobenzidine; 3 claim 7 ,3′ claim 7 ,5 claim 7 ,5;-tetramethylbenzidine; 4-chloro-1-naphthol; 2 claim 7 ,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid); o-phenylenediamine dihydrochloride; p-Nitrophenyl Phosphate; 5-Bromo-4-Chloro-3-indolyl-B-D-Galactopyranoside; and 2 claim 7 ,2 claim 7 ,5-5-tetra-p-nitrophenyl-3 claim 7 ,3 -(3 claim 7 ,3 -dimethoxy-4 claim 7 ,4-biphenylene)-di tetrazolium chloride.9. The calibration system of claim 8 , wherein the chromogen is 3 claim 8 ,3′-Diaminobenzidine.10. The calibration system of claim 8 , wherein the enzyme is selected from the group consisting of alkaline phosphatase claim 8 , horseradish peroxidase claim 8 , glycosylases claim 8 , and glucose ...

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Номер записи: 40
03-01-2019 дата публикации

ANTIFOULING FILM

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

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

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Номер записи: 41
07-01-2016 дата публикации

BIAXIALLY ORIENTED POLYAMIDE-BASED RESIN FILM

Номер: US20160002419A1
Автор: MIYAGUCHI Yoshinori
Принадлежит:

The invention provides a biaxially oriented polyamide-based resin film containing a polyamide-based resin together with a polyolefin-based elastomer and/or a polyamide-based elastomer. The film has the characteristics that (1) the number of Gelbo pinhole defects is not more than 5 when a twist and bend testing is carried out at 1° C. 1000 times using a Gelbo Flex tester; (2) the impact strength is not less than 0.9 J; (3) the total transmission haze value is not more than 5.0%; (4) the coefficient of static friction at a temperature of 23° C. and a relative humidity of 50% is not more than 0.7; and (5) the laminate strength of the laminated film obtained by laminating the biaxially oriented polyamide-based resin film and an unstretched polyethylene-based resin film is not less than 5.0 N/15 mm. 1. A biaxially oriented polyamide-based resin film comprising a polyamide-based resin together with a polyolefin-based elastomer and/or a polyamide-based elastomer and satisfying the following conditions (1) to (5):(1) that the number of Gelbo pinhole defects is not more than 5 when a twist and bend testing is carried out at 1° C. 1000 times using a Gelbo Flex tester;(2) that the impact strength is not less than 0.9 J;(3) that the total transmission haze value is not more than 5.0%;(4) that the coefficient of static friction at a temperature of 23° C. and a relative humidity of 50% is not more than 0.7; and(5) that the laminate strength of the laminated film obtained by laminating the biaxially oriented polyamide-based resin film and an unstretched polyethylene-based resin film is not less than 5.0 N/15 mm.2. The biaxially oriented polyamide-based resin film according to claim 1 , wherein the maximum dispersion particle diameter of the polyolefin-based elastomer and/or the polyamide-based elastomer is 0.7 to 2 μm.3. The biaxially oriented polyamide-based resin film according to claim 2 , wherein the biaxially oriented polyamide-based resin film contains 0.05 to 0.30% by mass ...

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Номер записи: 42
07-01-2016 дата публикации

Polylactic acid resin composition

Номер: US20160002443A1
Автор: Mari Azumi, Masahiro Mori, Tomoya Tsuboi
Принадлежит: Kao Corp, Tokai Chemical Industries Ltd

A polylactic acid resin composition containing a polylactic acid resin, glass fibers having an average aspect ratio (average fiber length/average fiber diameter) of 5 or more, and a metallic pigment, wherein the glass fibers are contained in an amount of from 2 to 35 parts by mass, and the metallic pigment is contained in an amount of from 0.1 to 8 parts by mass, based on 100 parts by mass of the polylactic acid resin. Since the polylactic acid resin composition of the present invention has excellent moldability, and is capable of providing a molded article with high designability, including a transparent surface layer and an inner layer with a lamellar texture in the nashiji patterns, the polylactic acid resin composition can be suitably used in various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts.

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Номер записи: 43
07-01-2016 дата публикации

Thermoplastic Resin Composition and Molded Article Using the Same

Номер: US20160002455A1
Автор: CHUNG Taek-Woong, HONG Chang-Min, KIM In-Chol
Принадлежит:

Provided is a thermoplastic resin composition that comprises (A) a graft copolymer; (B) a polyalkyl (meth)acrylate; (C) an alkyl (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer; and (D) an impact-reinforcing agent, wherein the graft copolymer (A) comprises an aromatic vinyl compound-vinyl cyanide compound copolymer grafted on a core part comprising a rubbery polymer. 1. A thermoplastic resin composition comprising(A) a graft copolymer;(B) a polyalkyl (meth)acrylate;(C) an alkyl (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer; and(D) an impact-reinforcing agent,wherein the graft copolymer (A) comprises an aromatic vinyl compound-vinyl cyanide compound copolymer grafted on a core part comprising a rubbery polymer.2. The thermoplastic resin composition of claim 1 , wherein the graft copolymer (A) comprises 40 to 70 wt % of the core part and 30 to 60 wt % of the grafted aromatic vinyl compound-vinyl cyanide compound copolymer.3. The thermoplastic resin composition of claim 2 , wherein the aromatic vinyl compound-vinyl cyanide compound copolymer comprises 60 to 80 wt % of an aromatic vinyl compound and 20 to 40 wt % of a vinyl cyanide compound.4. The thermoplastic resin composition of claim 1 , wherein the graft copolymer comprises a rubbery polymer of double structure core layers comprising an internal core layer comprising an alkyl acrylate-aromatic vinyl copolymer and an external core layer comprising an alkyl acrylate-based polymer; and an aromatic vinyl compound-vinyl cyanide compound copolymer grafted into the rubbery polymer of double structure core layers.5. The thermoplastic resin composition of claim 4 , wherein the alkyl acrylate-aromatic vinyl copolymer comprises 20 to 80 wt % of an alkyl acrylate compound and 80 to 20 wt % of an aromatic vinyl compound.6. The thermoplastic resin composition of claim 4 , wherein the rubbery polymer of the double structure core layer comprises 10 to 50 wt % of an internal core layer and 90 to 50 wt % of an external ...

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Номер записи: 44
07-01-2016 дата публикации

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

Номер: US20160002460A1
Автор: Kobayashi Sadayuki, MORIOKA Nobuhiro, Nomura Keiichiro
Принадлежит: Toray Industries, Inc.

An epoxy resin composition according to the present invention comprises an epoxy compound (A), a block copolymer (B) and a curing agent (C), wherein the block copolymer (B) is composed of a polymer block (a) comprising a (meth)acrylic polymer and a polymer block (b) comprising an acrylic polymer that is different from the polymer block (a), said epoxy resin composition having such a property that a cured resin product produced by curing the epoxy resin composition forms a microphase-separated structure. A cured product of the epoxy resin composition forms a highly ordered phase structure, and therefore has excellent toughness and stiffness. 1. An epoxy resin composition comprising an epoxy compound (A) , a block copolymer (B) , and a curing agent (C) , wherein the block copolymer (B) is composed of a polymer block (a) containing a (meth)acrylic polymer and another polymer block (b) containing an acrylic polymer different from that of the polymer block (a) , glycidyl (meth)acrylate accounts for 50 mass % or more of the polymer block (a) in the block copolymer (B) , and the epoxy resin composition being curable to form cured resin having a microphase-separated structure.2. The epoxy resin composition according to claim 1 , that meets the relation 0 Подробнее

Номер записи: 45
05-01-2017 дата публикации

Polymer Substrates Formed From Carboxy Functional Acrylamide

Номер: US20170002152A1
Автор: BREIVOLD Elisabeth, Fonnum Geir, GOKMEN Talha M., Hinz Wolfgang, HUSABOE Lene, Larsen Synne, LU Lily, Lui Alfred, LUNDBERG Pontus, Menchen Steven M., Molteberg Astrid Evenroed, THWAR Prasanna Krishnan
Принадлежит:

A polymer substrate, such as a polymer particle, is formed from a carboxyl functional monomer. In an example, the carboxyl functional monomer has a protection group in place of the OH of the carboxyl group. Once the monomer is polymerized, such a protection group can be removed, providing a polymer network with carboxyl functional sites. Such sites can be used to attach other functionality to the polymer substrate. 2. The method of claim 1 , wherein the hydrophilic particle is a hydrogel particle.3. The method of claim 1 , further comprising a hydrophilic monomer in the dispersed phase claim 1 , wherein the hydrophilic monomer includes an acrylamide monomer.4. The method of claim 1 , wherein the dispersed phase further includes a diacrylamide crosslinker having a hydrophobic protection group.5. The method of claim 1 , wherein converting the polymeric particle includes removing at least a portion of the plurality of the Rgroups from the polymeric particle.6. The method of claim 5 , wherein removing at least a portion of the plurality of the Rgroups includes acid cleaving at least a portion of the plurality of the Rgroups from the polymeric particle.7. The method of claim 1 , further comprising promoting a seed particle in the aqueous suspension to form the dispersed phase.8. The method of claim 7 , wherein the seed particle includes a seed polymer.9. The method of claim 8 , further comprising extracting the seed polymer after converting the polymeric particle.10. The method of claim 8 , wherein the seed polymer is hydrophobic.11. The method of claim 8 , wherein the seed polymer includes a styrenic polymer claim 8 , an acrylic polymer claim 8 , an acrylamide claim 8 , another vinyl polymer claim 8 , or a combination thereof.12. The method of claim 7 , wherein promoting the seed particle includes mixing a solvent and a promoting agent with the seed particle.13. The method of claim 12 , wherein the promoting agent includes dioctanoyl peroxide or dioctyladipate or ...

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Номер записи: 46
05-01-2017 дата публикации

Nanocellular foam with solid flame retardant

Номер: US20170002162A1
Автор: Anne M. Kelly-Rowley, LIANG Chen, Shana P. Bunker, Stephane Costeux
Принадлежит: Dow Global Technologies LLC

Prepare nanofoam by (a) providing an aqueous solution of a flame retardant dissolved in an aqueous solvent, wherein the flame retardant is a solid at 23° C. and 101 kiloPascals pressure when in neat form; (b) providing a fluid polymer composition selected from a solution of polymer dissolved in a water-miscible solvent or a latex of polymer particles in a continuous aqueous phase; (c) mixing the aqueous solution of flame retardant with the fluid polymer composition to form a mixture; (d) removing water and, if present, solvent from the mixture to produce a polymeric composition having less than 74 weight-percent flame retardant based on total polymeric composition weight; (e) compound the polymeric composition with a matrix polymer to form a matrix polymer composition; and (f) foam the matrix polymer composition into nanofoam having a porosity of at least 60 percent.

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Номер записи: 47
05-01-2017 дата публикации

Impregnation process for a functional fibrous substrate, a liquid monomer syrup for the impregnation process, its method of polymerization and structured article obtained thereof

Номер: US20170002207A1
Автор: Michel Glotin, Pierre Gerard, Sebastien Taillemite
Принадлежит: Arkema France SA

The present invention relates to an impregnation process for a functional fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated functional fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a functional fibrous substrate or long functional fibers with a viscous liquid composition containing mainly monomer components. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a functional fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of functional fibrous substrate with the monomer syrup is achieved in a mould. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process.

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Номер записи: 48
05-01-2017 дата публикации

MULTI-LAYER PRODUCT

Номер: US20170002236A1
Автор: Papenbroock Marten, Prenzel Alexander
Принадлежит: TESA SE

Multilayer product comprising at least one layer of an acrylate-based foam carrier (S); and a multiphase polymer composition (P) applied to this layer; the multiphase polymer composition (P) comprising: 1. Multilayer product comprisingat least one layer of an acrylate-based foam carrier (S); anda multiphase polymer composition (P) applied to this layer;the multiphase polymer composition (P) comprising:a comb copolymer (A) which is obtainable by polymerization of at least one (meth)acrylate monomer in the presence of at least one macromer selected from the group consisting of polymerizable ethylene-butylene, ethylene-propylene, ethylene-butylene-propylene and isobutylene macromers, and which forms a continuous acrylate phase and a discontinuous hydrocarbon phase Kw;and at least one hydrocarbon component (B) which is soluble in the hydrocarbon phase Kw of the comb copolymer (A) and comprises at least one plasticizer resin and at least one solid resin;the multiphase polymer composition (P) having a continuous acrylate phase with a static glass transition temperature Tg(Ac), measured by the DSC method, and a discontinuous hydrocarbon phase Kw1, comprising the hydrocarbon component (B) and having a static glass transition temperature Tg(Kw1), measured by the DSC method, where Tg(Kw1) is higher than Tg(Ac) by 35 to 60 kelvins.2. Multilayer product according to claim 1 , wherein the acrylate-based foam carrier (S) is a viscoelastic foam carrier.3. Multilayer product according to claim 1 , wherein claim 1 , the acrylate forming the layer of the foam carrier (S) is a polyacrylate obtained by free or controlled radical polymerization of one or more acrylates and alkyl acrylates.4. Multilayer product according to claim 1 , wherein claim 1 , the acrylate forming the layer of the foam carrier (S) is a crosslinked polyacrylate claim 1 , preferably a thermally crosslinked polyacrylate.6. Multilayer product according to claim 5 , wherein the monomers of group (a1) are selected from ...

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Номер записи: 49
05-01-2017 дата публикации

Glass mat and method of making the glass mat

Номер: US20170002564A1
Автор: Gary Charles Hildreth, Jeffrey H. PEET, Nancy E. Brown, Tao Yu
Принадлежит: Saint Gobain Adfors Canada Ltd

A method of making a glass mat includes providing an assembly of glass fibers, applying a binder composition to the assembly of glass fibers, wherein the binder includes an organic resin, and curing the binder composition while dimensionally constraining the assembly of glass fibers. Dimensional constraining includes directly contacting a first major surface and a second major surface of the assembly of glass fibers between two substantially parallel surfaces. Further provided is a glass mat that includes an assembly of glass fibers, wherein the assembly of glass fibers are substantially randomly oriented with a tensile anisotropy of less than about 6 in any two directions. The glass mat has a decreased surface roughness and a decreased caliper compared to an equivalent glass mat having an assembly of naturally packed glass fibers with an equivalent fiber diameter size.

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Номер записи: 50
02-01-2020 дата публикации

Composite and production method thereof

Номер: US20200002455A1
Автор: Hiroyuki ARAFUNE, Ken Nakano, Saika HONMA, Takashi Morinaga, Takaya Sato, Toshio KAMIJO, Yoshinobu Tsujii
Принадлежит: KYOTO UNIVERSITY, National Institute of Technology Japan, Nisshinbo Holdings Inc, Yokohama National University NUC

A composite including a plurality of block copolymer chains dispersed in a base polymer, the block copolymer chains including a polymer block (A) and a polymer block (B) having lower affinity for the base polymer than that of the polymer block (A), wherein each of the block copolymer chains has the polymer block (A) at two or more locations of the block copolymer chain, and in at least some of the block copolymer chains, the polymer blocks (A) are at least partially located in the base polymer and the polymer blocks (B) are at least partially exposed from the base polymer.

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Номер записи: 51
02-01-2020 дата публикации

LAMP COVER

Номер: US20200002486A1
Автор: KADOYA Hidenori, Yamazaki Kazuhiro
Принадлежит: Sumitomo Chemical Company, Limited

The present invention provides a lamp cover comprising (1) a thermoplastic resin having a visible light transmissivity of 50% or higher measured in a form of a plate-like molded body having a thickness of 2 mm according to JIS R 3106, (2) a composite tungsten oxide, (3) at least one material selected from the group consisting of a metal soap, an antioxidant, and a first selective wavelength absorbing material having a maximum absorption wavelength within a range of 200 to 350 nm, whose content is 0.03% by mass or more based on a total content (100% by mass) of the components (1) to (4), and (4) a second selective wavelength absorbing material having a maximum absorption wavelength within a range of 450 to 550 nm. 1. A lamp cover comprising(1) a thermoplastic resin having a visible light transmissivity of 50% or higher measured in a form of a plate-like molded body having a thickness of 2 mm according to JIS R 3106,(2) a composite tungsten oxide, a metal soap,', 'an antioxidant, and', 'a first selective wavelength absorbing material having a maximum absorption wavelength within a range of 200 to 350 nm, whose content is 0.03% by mass or more based on a total content (100% by mass) of the components (1) to (4), and, '(3) at least one material selected from the group consisting of'}(4) a second selective wavelength absorbing material having a maximum absorption wavelength within a range of 450 to 550 nm.3. The lamp cover according to claim 2 , wherein Mis at least one element selected from the group consisting of Li claim 2 , Na claim 2 , K claim 2 , Rb claim 2 , Cs claim 2 , Mg claim 2 , Ca claim 2 , Sr and Ba.4. The lamp cover according to claim 1 , comprising as the component (3) at least the first selective wavelength absorbing material.5. The lamp cover according to claim 1 , comprising as the component (3) the first selective wavelength absorbing material claim 1 , and the metal soap or the antioxidant.6. The lamp cover according to claim 1 , comprising as the ...

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Номер записи: 52
02-01-2020 дата публикации

Vinyl-Lactam-Based Hydrogel Coatings

Номер: US20200002494A1
Автор: Alberto Gallardo Ruiz, Ana CIVANTOS FERNÁNDEZ, Ana María SANTOS COQUILLAT, Carlos Elvira Pujalte, Carolina GARCÍA SÁNCHEZ, Enrique MARTÍNEZ CAMPOS, Helmut Reinecke, Juan RODRÍGUEZ HERNÁNDEZ, Maria Eugenia PÉREZ OJEDA
Принадлежит: Consejo Superior de Investigaciones Cientificas CSIC, UNIVERSIDAD COMPLUTENSE DE MADRID

The invention relates to a material formed by a polymer substrate and a hydrogel based on vinyl-lactams and ionic methacrylates. The invention also relates to a method for producing this material and to the use thereof for cell culture and cell monolayer engineering, for preparing 3D scaffolds and manufacturing thermosensitive mechanical actuators.

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Номер записи: 53
04-01-2018 дата публикации

Method for impregnating a fibrous substrate with a (meth)acrylic mixture, composition of said (meth)acrylic mixture, and composite material produced after polymerisation of said (meth)acrylic mixture

Номер: US20180002503A1
Автор: Gilles Francois, Mélanie R. LAFARGE, Pierre Gerard, Sebastien Taillemite
Принадлежит: Arkema France SA

The present invention relates to a process for impregnating a fibrous substrate consisting of long fibers by a liquid (meth)acrylic mixture mainly containing methacrylic and/or acrylic components. The invention also relates to such a (meth)acrylic mixture and its composition, said (meth)acrylic mixture comprising a (meth)acrylic syrup and an aqueous dispersion of radical initiator. The invention also relates to a process for manufacturing mechanical parts or structured elements or articles made of composite material by impregnating the fibrous substrate with the (meth)acrylic mixture then polymerizing said (meth)acrylic mixture, and also such parts obtained according to said manufacturing process and used in varied fields such as the automotive industry, aeronautics, or else construction.

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Номер записи: 54
04-01-2018 дата публикации

COMPOSITION COMPRISING A MULTISTAGE POLYMER, ITS METHOD OF PREPARATION AND ITS USE

Номер: US20180002520A1
Автор: Hajji Philippe, Inoubli Raber, PIRRI Rosangela
Принадлежит:

The present invention relates to a polymer composition comprising a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to polymer composition comprising a (meth)acrylic polymer and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising a (meth)acrylic polymer and a multistage polymer by spray drying or coagulation. 2. The polymer composition according to claim 1 , wherein (meth) acrylic polymer (P1) has a mass average molecular weight Mw of less than 100 000 g/mol.3. The polymer composition according to claim 1 , wherein (meth) acrylic polymer (P1) has a mass average molecular weight Mw of less than 60 000 g/mol.4. The polymer composition according to claim 1 , wherein (meth) acrylic polymer (P1) has a mass average molecular weight Mw between 5000 g/mol and 60 000 g/mol.5. The polymer composition according to wherein the composition comprises at least 30% of multistage polymer.6. The polymer composition according to wherein the multi stage polymer comprisesa) one stage (A) comprising a polymer (A1) having a glass transition temperature of less than 10° C.b), one stage (B) comprising a polymer (B1) having a glass transition temperature of at least 30° C.7. The polymer composition according to claim 6 , wherein stage (A) is the first stage and wherein stage (B) comprising polymer (B1) is grafted on stage (A) comprising polymer (A1).8. The polymer composition according to wherein polymers (A1) and (B1) are acrylic or methacrylic polymers.9. The polymer composition according to wherein polymer (A1) comprises at least 50 wt % of polymeric units coming from isoprene or butadiene.10. The polymer composition according to wherein polymer (A1) is a silicone rubber based polymer.11. The polymer composition according to wherein (meth) acrylic polymer (P1) comprises (meth)acrylic monomers that make up 50 wt % or more of the ...

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Номер записи: 55
04-01-2018 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE

Номер: US20180002522A1
Автор: KIM Seo Hwa, Kim Seong Lyong, Kim Tae Hoon, LEE Ju Hyeong
Принадлежит:

The present invention relates to a thermoplastic resin composition and a molded article manufactured thereofrom. In accordance with the present invention, a thermoplastic resin composition providing higher chemical resistance with respect to a blowing agent while providing the same impact strength, gloss, and vacuum moldability as existing resin compositions when used to produce an inner case of a refrigerator, and a molded article manufactured from the same are provided. 1. A thermoplastic resin composition , comprising:100 parts by weight of a base resin that comprises greater than 0% by weight to 35% by weight of a diene-based graft copolymer, greater than 0% by weight to 30% by weight of an acrylic graft copolymer, and 35 to 85% by weight of a copolymer of a vinyl cyanide compound and an aromatic vinyl compound; andgreater than 1 part by weight of a polyester-based elastomer having a melt index of 0.1 to 10 g/10 min (230° C., 2.16 kg).2. The thermoplastic resin composition according to claim 1 , wherein the diene-based graft copolymer is a copolymer prepared by graft polymerizing 30 to 70% by weight of a diene-based rubbery polymer; and 30 to 70% by weight of a sum of an aromatic vinyl compound and a vinyl cyanide compound claim 1 ,wherein the vinyl cyanide compound is comprised in an amount of 20 to 40% by weight based on 100% by weight of a total of the compounds.3. The thermoplastic resin composition according to claim 2 , wherein the diene-based rubbery polymer has an average particle diameter of 0.2 to 0.4 μm.4. The thermoplastic resin composition according to claim 1 , wherein the acrylic graft copolymer is a copolymer prepared by graft polymerizing 30 to 70% by weight of an acrylic rubbery polymer; and 30 to 70% by weight of a sum of the aromatic vinyl compound and the vinyl cyanide compound claim 1 ,wherein the vinyl cyanide compound is comprised in an amount of 20 to 40% by weight based on 100% by weight of a total of the compounds.5. The thermoplastic ...

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Номер записи: 56
04-01-2018 дата публикации

Acid-containing polymers as coalescing agents for latexes

Номер: US20180002563A1
Автор: James W. Taylor
Принадлежит: BASF SE

Provided herein are aqueous dispersions. The aqueous dispersions can comprise a first copolymer derived from one or more ethylenically unsaturated monomers, and a second carboxy-functional copolymer derived from one or more carboxylic acid-containing monomers. The aqueous dispersions can be used to prepare low- or zero-VOC aqueous coating compositions that possess desirable properties, including good block resistance and scrub resistance. Coatings and coating formulations comprising the aqueous dispersion, as well as methods of making and using the same are also provided.

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Номер записи: 57
04-01-2018 дата публикации

SUBTERRANEAN FLUIDS CONTAINING SUSPENDED POLYMER BODIES

Номер: US20180002596A1
Автор: Abivin Patrice, Busby Brent, Godoy-Vargas Jazmin, Makarychev-Mikhailov Sergey, Sullivan Philip
Принадлежит:

An aqueous suspension of polymer bodies is made by coalescing polymer from a flowing aqueous solution. These suspended bodies may be fibrous in appearance. However, the coalescence of the polymer bodies may be controlled to produce shapes. The coalesced polymer bodies are used for treating a downhole location within or accessed by a borehole. The bodies may be formed by coalescence at the surface and then pumped downhole or may be formed by coalescence downhole. Coalescence of polymer may result from crosslinking, complexing with material of opposite charge, or change in the polymer solution temperature, pH, solute concentration or solvent. The coalesced polymer bodies are maintained in aqueous solution after coalescence, and are not removed from solution for strengthening. 1. A method of treating a downhole location within or accessed by a borehole , the method comprising:coalescing polymer from a flowing aqueous polymer solution to generate an aqueous suspension of coalesced bodies of polymer, andproviding the aqueous suspension of coalesced bodies at the downhole location.2. The method according to claim 1 , wherein the coalesced polymer bodies are formed by coalescence of polymer at the surface and the aqueous suspension of bodies of polymer is delivered through at least one pump into the borehole claim 1 , wherein the pump is configured to convey the aqueous suspension of bodies of polymer downhole.3. The method according to claim 1 , wherein the aqueous polymer solution is delivered through at least one pump into the borehole and the coalesced polymer bodies of polymer are formed by coalescence of the polymer underground.4. The method according to claim 1 , wherein the coalescing the polymer is brought about by crosslinking polymer molecules to form the coalesced polymer bodies in the aqueous suspension of bodies of polymer.5. The method according to claim 1 , wherein the polymer comprises an ionic charge and the coalescing the polymer is brought about by ...

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Номер записи: 58
07-01-2021 дата публикации

Acrylic resin film, laminated film, production method for laminated film, and molded article

Номер: US20210002437A1
Автор: Hanako HASEBE, Haruki Koyama, Katsumi Yamaguchi, Yukihiro Shimamoto
Принадлежит: Kaneka Corp

An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).

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Номер записи: 59
03-01-2019 дата публикации

WATER-SOLUBLE FILM AND METHOD FOR MANUFACTURING SAME

Номер: US20190002683A1
Автор: Hattori Masami, Michitaka Daisuke, Mizoguchi Hirotaka
Принадлежит:

The present invention provides a water-soluble film having excellent solubility in cold water, high strength, and excellent hard-water resistance. The present invention also provides a method for simply producing such a water-soluble film. One aspect of the present invention relates to a water-soluble film including a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The anionic group-containing polymer excludes an acrylic acid homopolymer. Another aspect of the present invention relates to a method for producing a water-soluble film that includes a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The method includes mixing a polymer containing an anionic group other than a sulfonic acid (salt) group and a water-soluble resin. 2. (canceled)3. The water-soluble film according to claim 1 ,wherein the anionic group is a carboxyl group and/or a salt thereof.4. The water-soluble film according to claim 1 ,wherein the anionic group-containing polymer has a weight average molecular weight of 2000 to 200000.5. The water-soluble film according to claim 1 ,wherein the water-soluble resin is a polyvinyl alcohol-based polymer.6. The water-soluble film according to claim 1 ,wherein the proportion of the anionic group-containing polymer is 1% by mass or more of 100% by mass of the total amount of the water-soluble resin and the anionic group-containing polymer.7. The water-soluble film according to claim 1 ,wherein the proportion of the anionic group-containing polymer is 99% by mass or less of 100% by mass of the total amount of the water-soluble resin and the anionic group-containing polymer.8. The water-soluble film according to claim 1 ,wherein the water-soluble film has a thickness of 5 to 300 μm.9. The water-soluble film according to claim 1 ,wherein the water-soluble film is used to package a chemical and/or a detergent.12. The method for producing a water-soluble ...

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Номер записи: 60
05-01-2017 дата публикации

Responsive hydrogel for the detection of biomolecules

Номер: US20170003281A1
Автор: André Laschewsky, Erik Wischerhoff, Jean-Philippe Couturier, Martin Sütterlin
Принадлежит: Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV

The present invention relates to a responsive hydrogel which is chemically crosslinked, has a porous photonic crystal structure and contains biomolecule-specific detection groups.

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Номер записи: 61
13-01-2022 дата публикации

Absorbent cores having material free areas

Номер: US20220008264A1
Автор: Andrea Andrew PERI, Aniruddha Chatterjee, Bruno Johannes Ehrnsperger, Juliane Kamphus, Marion Lutsche, Peter Dziezok
Принадлежит: Procter and Gamble Co

An absorbent core, for use in an absorbent article, including a core wrap enclosing an absorbent material and including superabsorbent polymer particles. The core wrap includes a top side and a bottom side, and the absorbent core includes one or more area(s) substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more channel(s) along the area(s) substantially free of absorbent material. The superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240 s as measured according to the K(t) test method.

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Номер записи: 62
13-01-2022 дата публикации

PACKAGED VISCOELASTIC POLYMER SUBSTANCE

Номер: US20220010079A1
Автор: BRANDES Kay, Lass Volker, MASSOW Klaus
Принадлежит: TESA SE

Packaged viscoelastic polymer substances and methods for the production of the packaged viscoelastic polymer substances are provided. The packaged viscoelastic polymer substances are further processable under the influence of heat and shear. 1. A method for producing a packaged viscoelastic polymer substance , the method comprising:a) plastifying a viscoelastic polymer substance at elevated temperatures, the viscoelastic polymer substance being a polymer substance based on poly(meth)acrylates having a weight-average molecular weight of 500,000 g/mol or more;b) continuously dispensing the plastified viscoelastic polymer substance into a protective polymer film, that has no self-adhesive properties and which, before being filled with the plastified viscoelastic polymer substance, has been brought into a tubular form, to give a strandlike polymer assembly having a diameter of 55 to 70 mm, a core of the plastified viscoelastic polymer substance, and a shell of the protective polymer film, wherein a fraction of the protective polymer film, based on a total weight of the protective polymer film and the plastified viscoelastic polymer substance, is less than 1.0 wt %, and wherein the plastified viscoelastic polymer substance has a viscosity of more than 100 Pas at the instant of being dispensed into the tubular protective polymer film;c) converting the strandlike polymer assembly into a flattened strandlike polymer assembly with a smallest cross-section having a ratio of width to height of about 2:1 to 7:1;d) cooling the flattened strandlike polymer assembly to a temperature at which the strandlike polymer assembly is still plastically deformable; ande) subsequently winding the flattened strandlike polymer assembly onto a reel, wherein the strandlike polymer assembly wound onto the reel has a length of more than 30 meters.2. The method of claim 1 , wherein the converting of the strandlike polymer assembly into the flattened strandlike polymer assembly in c) is carried out ...

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Номер записи: 63
13-01-2022 дата публикации

RHEOLOGY MODIFICATION BY POROUS GEL PARTICLES

Номер: US20220010086A1
Автор: Cadix Arnaud, Wilson David James
Принадлежит: Rhodia Operations

Modification of the rheology of a liquid medium, aqueous or nonaqueous, with polymers in the form of specific particles obtained by grinding (micronizing) a porous macrogel, itself prepared by a process comprising a radical polymerization step which comprises reacting in the presence of pore formers monomers containing monomers bearing at least two ethylenic unsaturations, typically in combination with monomers bearing a single ethylenic unsaturation; a polymerization initiator; and optionally a polymerization control agent. These polymer particles keep other particles in suspension within the liquid medium, and also the stabilized suspensions are obtained. 1. A method comprising adding crosslinked polymer particles (p) to a liquid medium , the crosslinked polymer particles (p) obtained by grinding a macrogel prepared by a process comprising a radical polymerization step (E) which comprises reacting , within a reaction medium M comprising pore formers: at least one radical polymerization initiator;', 'optionally at least one radical polymerization control agent, 'ethylenically unsaturated monomers, containing monomers m1 bearing at least two ethylenic unsaturations;'}to modify the rheology of said liquid medium.2. The method as claimed in claim 1 , wherein the monomers employed in step (E) comprise not only monomers m1 but also monomers m2 bearing a single ethylenic unsaturation claim 1 , preferably with a mass ratio m1/m2 of between 0.01 and 30.3. The method as claimed in claim 1 , wherein the liquid medium is an aqueous liquid medium.4. The method as claimed in claim 1 , wherein particles are kept in suspension within the liquid medium.5. The method as claimed in claim 1 , wherein the pore formers employed in step (E) are gas bubbles.6. The method as claimed in claim 1 , wherein step (E) first comprises a step (E1) in which only a part of the ethylenically unsaturated monomers are polymerized in the absence of pore formers claim 1 , then a step (E2) in which the ...

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Номер записи: 64
13-01-2022 дата публикации

EXPANDABLE METHYL METHACRYLATE RESIN PARTICLES, METHYL METHACRYLATE RESIN PRE-EXPANDED PARTICLES, METHYL METHACRYLATE EXPANSION-MOLDED BODY, AND METHOD FOR PRODUCING EXPANDABLE METHYL METHACRYLATE RESIN PARTICLES

Номер: US20220010090A1
Автор: Kiguchi Taro, Kobayashi Tsuyoshi, Suzuki Kirito
Принадлежит: KANEKA CORPORATION

Expandable methyl methacrylate resin particles having a narrow particle size distribution, a good yield, and excellent expandability and formability are provided. The expandable methyl methacrylate resin particles include a base resin containing, as constitutional units, a certain amount of a methyl methacrylate unit and a certain amount of acrylic ester unit, and a blowing agent. The expandable methyl methacrylate resin particles have an average particle diameter of 0.6 mm to 1.0 mm and a particle diameter variation coefficient of not more than 20%. 1. Expandable methyl methacrylate resin particles comprising:a base resin including, as constitutional units, a methyl methacrylate unit and an acrylic ester unit; anda blowing agent,a content of the methyl methacrylate unit being not less than 91 parts by weight and not more than 99 parts by weight and a content of the acrylic ester unit being not less than 1 part by weight and not more than 9 parts by weight, relative to 100 parts by weight of a total content of the methyl methacrylate unit and the acrylic ester unit in the base resin,the expandable methyl methacrylate resin particles having (a) an average particle diameter of 0.6 mm to 1.0 mm and (b) a particle diameter variation coefficient of not more than 20%.2. The expandable methyl methacrylate resin particles as set forth in claim 1 , whereinthe acrylic ester unit is a butyl acrylate unit.3. The expandable methyl methacrylate resin particles as set forth in claim 2 , whereinthe content of the methyl methacrylate unit is not less than 94 parts by weight and not more than 96 parts by weight and a content of the butyl acrylate unit is not less than 4 parts by weight and not more than 6 parts by weight, relative to 100 parts by weight of a total content of the methyl methacrylate unit and the butyl acrylate unit in the base resin, and{'sup': '2', 'an expansion-molded body obtained by pre-expanding and molding the expandable methyl methacrylate resin particles has a ...

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Номер записи: 65
13-01-2022 дата публикации

Composition, cured film, color filter, light shielding film, optical element, solid-state imaging element, headlight unit, modified silica particles, and method for producing modified silica particles

Номер: US20220010121A1
Автор: Ryosuke Kato
Принадлежит: Fujifilm Corp

The present invention provides a composition having excellent development residue suppressibility. Moreover, also provided are a cured film, a color filter, a light shielding film, an optical element, a solid-state imaging element, a headlight unit, modified silica particles, and a method for producing modified silica particles. The composition according to the embodiment of the present invention contains modified silica particles and a polymerizable compound, in which the modified silica particles each contain a silica particle and a coating layer coating the silica particle, and the coating layer contains a polymer containing a repeating unit represented by General Formula (1).

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Номер записи: 66
01-01-2015 дата публикации

PROCESSABLE SELF-ORGANIZING NANOPARTICLE

Номер: US20150005452A1
Автор: Bockstaller Michael, MATYJASZEWSKI KRZYSZTOF
Принадлежит: CARNEGIE MELLON UNIVERSITY

A method of forming a composition includes adding together a plurality of particle brush systems wherein each of the particle brush systems includes a particle and a polymer brush including a plurality of polymer chains attached to the particle. The plurality of polymer chains of the polymer brush exhibit two chain conformations as the degree of polymerization of the polymer chains increases so that the polymer brush includes a concentrated polymer brush region with stretched polymer chains and a semi-dilute polymer brush region with relaxed chains that is radially outside of the concentrated polymer brush region. The degree of polymerization of the polymer brush is no less than 10% less than a critical degree of polymerization and no more than 20% greater than the critical degree of polymerization. The critical degree of polymerization is defined as the degree of polymerization required to achieve a transition from the concentrated polymer brush region to the semi-dilute polymer brush region. 1. A method of forming a composition comprising adding together a plurality of particle brush systems wherein each of the particle brush systems comprises a particle and a polymer brush comprising a plurality of polymer chains attached to the particle , wherein the plurality of polymer chains of the polymer brush exhibit modeled variable chain conformations as the degree of polymerization of the polymer chains increases so that the polymer brush comprises a concentrated polymer brush region with stretched polymer chains and a semi-dilute polymer brush region with relaxed chains that is radially outside of the concentrated polymer brush region , wherein the degree of polymerization of the polymer brush is no less than 10% less than a critical degree of polymerization and no more than 20% greater than the critical degree of polymerization , wherein the critical degree of polymerization is defined as the degree of polymerization required to achieve a transition from the ...

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Номер записи: 67
20-01-2022 дата публикации

POLYMER GELS AND METHODS FOR MONITORING GEL INTEGRITY IN WELLBORES

Номер: US20220017702A1
Автор: Abdel-Fattah Amr I., Servin Jesus Manuel Felix
Принадлежит: Saudi Arabian Oil Company

A polymer gel may comprise a polymer gel base material and superparamagnetic nanoparticles. At least 25 wt. % of the superparamagnetic nanoparticles may have diameters in a first size range between a first diameter and a second diameter. At least 25 wt. % of the superparamagnetic nanoparticles may have diameters in a second size range between a third diameter and a fourth diameter. The Brownian relaxation time of the portion of the superparamagnetic nanoparticles in the first size range may be at least 5 times the Neel relaxation time of the portion of the superparamagnetic nanoparticles in the first size range. The Neel relaxation time of the portion of the superparamagnetic nanoparticles in the second size range may be at least 5 times the Brownian relaxation time of the portion of the superparamagnetic nanoparticles in the second size range. Methods for monitoring gel integrity in a wellbore are further included. 1. A polymer gel in a gelled or non-gelled state , the polymer gel comprising:a polymer gel base material comprising at least water and polymer; and at least 25 wt. % of the superparamagnetic nanoparticles have diameters in a first size range between a first diameter and a second diameter, where the first diameter is less than the second diameter, where the difference between the first diameter and the second diameter is 4 nm, and where the diameter of the particles in the first size range is measured as the core diameter;', 'at least 25 wt. % of the superparamagnetic nanoparticles have diameters in a second size range between a third diameter and a fourth diameter, where the third diameter is less than the fourth diameter, where the difference between the third diameter and the fourth diameter is 8 nm, and where the diameter of the particles in the second size range is measured as the hydrodynamic diameter;', 'the second diameter is less than or equal to the third diameter;', 'the Brownian relaxation time of the portion of the superparamagnetic ...

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Номер записи: 68
20-01-2022 дата публикации

Composition for Low Dielectric Thermally Conductive Material and Low Dielectric Thermally Conductive Material

Номер: US20220017804A1
Автор: Jianguang Li, Masahiro Saito, Teruaki Yuoka
Принадлежит: Kitagawa Industries Co Ltd

A composition for a low dielectric thermally conductive material of the present technology contains: an acrylic resin composition containing an acrylic polymer formed by polymerizing one or two or more types of (meth)acrylates and one or two or more types of (meth)acrylates; crystalline silica having an average particle size of 20 μm or greater; a metal hydroxide having an average particle size of 15 μm or less; a polyfunctional monomer; and a polymerization initiator, wherein per 100 parts by mass of the acrylic resin composition, from 330 parts by mass to 440 parts by mass of the crystalline silica, from 90 parts by mass to 190 parts by mass of the metal hydroxide, from 0.01 parts by mass to 0.5 parts by mass of the polyfunctional monomer, and from 0.6 parts by mass to 1.3 parts by mass of the polymerization initiator are blended.

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Номер записи: 69
12-01-2017 дата публикации

MODIFIED SUPERABSORBENT POLYMER CONTAINING A FERTILIZER

Номер: US20170008818A1
Автор: HERMITTE Laurence, Vinchon Cyrille
Принадлежит: LILIZ

A modified superabsorbent polymer (SAP) comprises a SAP matrix and urea in the form of crystals that is integrated into the SAP matrix. The SAP matrix and the urea are interpenetrated. A method for producing the modified SAP may comprise a) preparing a mixture comprising at least one urea solution and at least one SAP, b) swelling the SAP in the mixture, c) crystallizing the urea in the mixture obtained upon completion of step b), d) recovering the modified SAP in the mixture, and e) optionally, forming the modified SAP recovered at step d). 1. A modified superabsorbent polymer (SAP) comprising a SAP matrix and urea in the form of crystals that is integrated into the SAP matrix , the SAP matrix and the urea being interpenetrated.2. The modified SAP according to claim 1 , obtained by a method that comprises:a) preparing a mixture comprising at least one urea solution and at least one SAP;b) swelling the SAP in the mixture;c) crystallizing the urea in the mixture obtained upon completion of step b);d) recovering the modified SAP in the mixture; ande) optionally, forming the modified SAP recovered at step d).3. The modified SAP according to claim 1 , wherein the SAP is obtained from at least one compound selected from the group consisting of cellulose derivatives claim 1 , alginate and glycosaminoglycans.4. The modified SAP according to claim 1 , wherein the SAP is obtained from at least one compound from the group consisting of acrylic polymers claim 1 , methacrylic polymers claim 1 , vinyl polymers claim 1 , polyacrylamides and salts thereof claim 1 , acrylamide/acrylic acid copolymers and salts thereof claim 1 , and polyacrylonitriles.57-. (canceled)8. The modified SAP according to claim 2 , wherein the crystallization step c) is carried out by a cooling claim 2 , drying claim 2 , evaporation or lyophilization technique.9. A method of using the modified SAP according to claim 1 , comprising retaining water with the modified SAP and restituting the water to plants in ...

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Номер записи: 70
12-01-2017 дата публикации

METHOD FOR PRODUCING GEL

Номер: US20170009024A1
Автор: Kudo Yoshihiro
Принадлежит: NISSAN CHEMICAL INDUSTRIES, LTD.

Method for producing a gel having a desired strength, by performing a step of removing a part or all of a solvent. Method for producing a gel containing a water-soluble organic polymer (A), a silicate salt (B), and a dispersant (C) for the silicate salt, including a desolvation step of removing a part or all of one or more solvents selected from the group consisting of water and a water-soluble organic solvent in the gel, or gelling a gel-forming composition containing the water-soluble organic polymer (A), the silicate salt (B), the dispersant (C) for the silicate salt, and one or more solvents selected from the group consisting of water and a water-soluble organic solvent and removing a part or all of the solvent in the composition. 1. A method for producing a gel containing a water-soluble organic polymer (A) , a silicate salt (B) , and a dispersant (C) for the silicate salt , comprisinga desolvation step ofremoving a part or all of one or more solvents selected from the group consisting of water and a water-soluble organic solvent in the gel, orgelling a gel-forming composition containing the water-soluble organic polymer (A), the silicate salt (B), the dispersant (C) for the silicate salt, and one or more solvents selected from the group consisting of water and a water-soluble organic solvent and removing a part or all of the solvent in the composition.2. The method for producing a gel according to claim 1 , wherein the water-soluble organic polymer (A) is a fully or partially neutralized polyacrylate salt having a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 to 10 claim 1 ,000 claim 1 ,000.3. The method for producing a gel according to claim 1 , wherein the silicate salt (B) is water-swellable silicate salt particles selected from the group consisting of smectite claim 1 , bentonite claim 1 , vermiculite claim 1 , and mica.4. The method for producing a gel according to claim 1 , wherein the dispersant (C) is one or more selected from the ...

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Номер записи: 71
12-01-2017 дата публикации

Surfactant Compositions and Methods of Forming and Using Same

Номер: US20170009025A1
Автор: Allen Michael, Crews Richard, FERNANDEZ Ana Maria, Jebbanema Loubna
Принадлежит:

Disclosed are surfactant compositions comprising: 120.-. (canceled)22. The method of wherein at least 3 of said Rin each of said x groups is H.23. The method of wherein x is 7.24. The method of wherein the at least one compound in accordance with Formula VII has a weight average molecular weight (Mw) of from about 3000 to about 650025. The method of wherein said at least one compound in accordance with Formula (VII) is present in the surfactant composition in an amount of from about 10% to about 30% by weight based on the total of the (a) components and (b) component in the surfactant composition.26. The method of claim 21 , wherein the surfactant composition has a solidification point below 15° C.27. The method of claim 21 , wherein the surfactant composition decreases the amount of coagulum formed during an emulsion polymerization.28. The method of claim 21 , wherein the surfactant composition stabilizes a latex after polymerization.30. The method according to wherein x is from about 2 to about 2.5.31. A surfactant composition prepared according to the method of .32. The surfactant composition of wherein compound (VII) is present in an amount of about 1% to about 30% claim 31 , by weight claim 31 , of the surfactant concentrate. The present application is related to and claims the priority benefit of pending U.S. patent application Ser. No. 11/869,185, filed on Oct. 9, 2007, which in turn claims the priority benefit of U.S. Provisional Application No. 60/853,344, filed on Oct. 20, 2006, and from U.S. Provisional Application No. 60/856,638, filed on Nov. 3, 2006, each of which is incorporated herein by reference in its entirety.The invention relates generally to surfactants, and more particularly to surfactants and methods for forming and using the surfactants. In one particular aspect, the invention is in the field involving emulsion polymerization reactions and polymer dispersions, and for stabilizing emulsion polymers, polymer dispersions, and polymer coatings. ...

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Номер записи: 72
12-01-2017 дата публикации

SUPER ABSORBENT POLYMER AND METHOD FOR PREPARING THE SAME

Номер: US20170009026A1
Автор: Hwang Min Ho, Jang Tae Hwan, Lee Sang Gi, LEE Soo Jin, Nam Hye Mi
Принадлежит: LG CHEM, LTD.

The present invention relates to a super absorbent polymer and a method for preparing the same. The present invention has features that it is possible to prepare a super absorbent resin that can have an improved centrifuge retention capacity (CRC) and a high absorbency under load (AUL) by controlling the shape and size of the chopper die holes during coarse pulverization of a hydrous gel phase polymer. 1. A super absorbent polymer comprising a crosslinked polymer , the crosslinked polymer being obtained by surface-crosslinking a base polymer prepared by polymerizing a water-soluble ethylene-based unsaturated monomer including an acidic group in which at least a part of the acidic group is neutralized , wherein the super absorbent polymer hasa centrifuge retention capacity (CRC) of more than 20 g/g,an absorbency under 0.9 psi load (AUL) of more than 18 g/g, and {'br': None, 'ARUL=0.3AUL(5 min)/0.3AUL(60 min)\u2003\u2003[Equation 1]'}, 'ARUL shown in the following Equation 1 of 60% to 85%in Equation 1, {'br': None, 'i': Wb', 'Wa, '0.3AUL(g/g)=[(g)−(g)]/weight(g) of the absorbent polymer\u2003\u2003[Equation 2]'}, '0.3AUL (5 min) and 0.3AUL (60 min) are the values of absorbency under load (AUL) at 5 minutes and 60 minutes shown in the following Equation 2, respectively,'}in Equation 2,Wa(g) is the sum of the weight of the absorbent polymer and the weight of the device capable of providing a load for the absorbent polymer, andWb(g) is the sum of the weight of the absorbent polymer in which moisture is absorbed after supplying water for the absorbent polymer under a load (0.3 psi) for 5 minutes or 60 minutes, and the weight of the device capable of providing a load for the absorbent polymer.2. The super absorbent polymer according to wherein {'br': None, 'sub': '1', 'sup': '1', 'R-COOM\u2003\u2003[Chemical Formula 1]'}, 'the water-soluble ethylene-based unsaturated monomer is a compound represented by the following Chemical Formula 1in Chemical Formula 1,{'sub': 1', '1', ...

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Номер записи: 73
12-01-2017 дата публикации

IMPREGNATION PROCESS FOR A FIBROUS SUBSTRATE, A LIQUID MONOMER SYRUP FOR THE IMPREGNATION PROCESS, ITS METHOD OF POLYMERIZATION AND STRUCTURED ARTICLE OBTAINED THEREOF

Номер: US20170009033A1
Автор: GERARD Pierre, GLOTIN Michel, Taillemite Sebastien
Принадлежит:

The present invention relates to an impregnation process for a fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a fibrous substrate or long fibers with a viscous liquid composition containing mainly methacrylic, vinylic or acrylic components either in form of monomers or polymers. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of fibrous substrate with the monomer syrup is achieved in a mould. The present invention concerns also manufacturing process for manufacturing mechanical or structured parts or articles and three-dimensional mechanical or structured parts obtained by this process. 2. The impregnation process according to claim 1 , wherein monomer (A) has vapour pressure of less than 10 mbar at 20° C.3. The impregnation process according to claim 1 , wherein monomer (A) has boiling point of at least 135° C. at 1013 mbar.4. The impregnation process according to claim 1 , wherein the monomer syrup comprises the (meth) acrylic monomer (B).5. The impregnation process according to claim 1 , wherein at least one monomer (A) presents more than 30 wt % of the total sum of monomers (A) and (B) present in the liquid monomer syrup.6. The impregnation process according to claim 1 , wherein (meth)acrylic monomer (B) presents less than 70 wt % of the total sum of monomers (A) and (B) in the liquid monomer syrup.7. The impregnation process according to claim 1 , wherein the monomer (B) is chosen from cyclohexyl methacrylate claim 1 , isobornyl acrylate claim 1 , isobornyl methacrylate claim 1 , heptyl ...

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Номер записи: 74
12-01-2017 дата публикации

MASTERBATCH AND APPLICATIONS THEREOF

Номер: US20170009039A1
Автор: EBE Takumi, MIKI Katsushi
Принадлежит: MATSUMOTO YUSHI-SEIYAKU CO., LTD.

A masterbatch containing an organic base component and heat-expandable microspheres including a thermoplastic resin shell and a thermally vaporizable blowing agent encapsulated therein. The organic base component has a melting point not higher than the expansion-initiation temperature of the heat-expandable microspheres and a melt flow rate (MFR, g/10 mm) higher than 50 and not higher than 2200. A ratio of the heat-expandable microspheres ranges from 30 to 80 wt % of the total weight of the heat-expandable microspheres and the organic base component. Also disclosed is a molding composition, a foamed molded article manufactured by molding the molding composition and a weathers tripping. 1. A masterbatch comprising:heat-expandable microspheres comprising a thermoplastic resin shell and a thermally vaporizable blowing agent encapsulated therein; andan organic base component;wherein the organic base component has a melting point not higher than the expansion-initiation temperature of the heat-expandable microspheres and a melt flow rate (MFR, g/10 min) higher than 50 and not higher than 2200, andthe ratio of the heat-expandable microspheres in the masterbatch ranges from 30 to 80 wt % of the total weight of the heat-expandable microspheres and the organic base component.2. The masterbatch as claimed in claim 1 , wherein the organic base component is an ethylenic polymer claim 1 , and a ratio of ethylene monomer to all monomers constituting the ethylenic polymer is at least 60 wt %.3. The masterbatch as claimed in claim 1 , wherein the organic base component has a melting point ranging from 45 to 180° C.4. The masterbatch as claimed in claim 1 , wherein the organic base component has a tensile fracture stress not higher than 30 MPa.5. The masterbatch as claimed in claim 1 , wherein the thermoplastic resin is produced by polymerizing a polymerizable component containing a nitrile monomer.6. The masterbatch as claimed in claim 5 , wherein the polymerizable component ...

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Номер записи: 75
10-01-2019 дата публикации

Super Absorbent Resin For Absorbing Blood Or High Viscosity Liquid And Method For Preparing Same

Номер: US20190009250A1
Автор: Hong Yeon-Woo, KIM Young-Sam, Ryu Dong-Jo
Принадлежит: LG CHEM, LTD.

Disclosed herein is a method for preparing a superabsorbent polymer for absorbing blood or highly viscous liquid including a) providing a superabsorbent resin; b) pre-treating the superabsorbent resin of step a) by mixing a water-soluble polyvalent cationic salt in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a); and c) surface treating the pre-treated superabsorbent resin of step b) by mixing a polycarbonic acid-based copolymer in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a). 1. A method for preparing a superabsorbent polymer for absorbing blood or highly viscous liquid , comprising:a) providing a superabsorbent resin;b) pre-treating the superabsorbent resin of step a) by mixing a water-soluble polyvalent cationic salt in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a); andc) surface treating the pre-treated superabsorbent resin of step b) by mixing a polycarbonic acid-based copolymer in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a).2. The method of claim 1 , wherein the superabsorbent resin is a superabsorbent polymer product or a superabsorbent base resin.3. The method of claim 1 , wherein the water-soluble polyvalent cationic salt comprise a cationic ion selected from the group consisting of Al claim 1 , Zr claim 1 , Sc claim 1 , Ti claim 1 , V claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Ni claim 1 , Cu claim 1 , Zn claim 1 , Ag claim 1 , Pt claim 1 , Au claim 1 , and a combination thereof claim 1 , and an anion selected from the group consisting of sulfate (SO) claim 1 , sulfite (SO) claim 1 , nitrate (NO) claim 1 , metaphosphate (PO) claim 1 , phosphate (PO) claim 1 , and a combination thereof.4. The method of claim 3 , wherein the water-soluble polyvalent cationic ...

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Номер записи: 76
14-01-2016 дата публикации

LIQUID (METH)ACRYLIC SYRUP FOR IMPREGNATING A FIBROUS SUBSTRATE, METHOD FOR IMPREGNATING A FIBROUS SUBSTRATE, AND COMPOSITE MATERIAL PRODUCED AFTER POLYMERISATION OF SAID PRE-IMPREGNATED SUBSTRATE

Номер: US20160009878A1
Автор: GERARD Pierre
Принадлежит:

The invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The invention especially relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method for producing such a syrup. The invention relates further to a method for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate pre impregnated with said syrup, which is useful for the production of mechanical or structured parts or products. The invention also relates to a production method for producing mechanical or structured parts or items and to three-dimensional mechanical or structured parts produced by said method. The invention allows significant reduction of the exothermic peak during the polymerization of the syrup, reduction of the residual monomer content at the end of the polymerization, and production of parts in a composite material without defects or with few defects. 2. The liquid (meth)acrylic syrup as claimed in claim 1 , wherein the fillers are selected from the group consisting of:{'sub': '50', 'PMMA beads crosslinked with a crosslinking agent present in proportions of greater than 0.5% by weight of the PMMA beads, said crosslinked PMMA beads having a degree of swelling in the (meth)acrylic monomer of less than 200%, and a mean diameter Dof less than 50 μm, and'}{'sub': '50', 'hollow glass beads whose mean diameter Dis less than 50 μm.'}3. The liquid (meth)acrylic syrup as claimed in claim 1 , wherein the fillers are crosslinked PMMA beads claim 1 , and represent between 10% and 70% by weight of the total liquid (meth)acrylic syrup.4. The liquid (meth)acrylic syrup as claimed in claim 1 , wherein the liquid (meth)acrylic syrup comprises:a) from 10% by weight to 30% by weight of a (meth)acrylic polymer,b) from 70% by weight to 90% by weight of a (meth)acrylic monomer,c) from 0% by weight to 70% by weight of crosslinked PMMA beads.5 ...

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Номер записи: 77
14-01-2016 дата публикации

WATER-ABSORBING POLYMER PARTICLES WITH HIGH FREE SWELL RATE AND HIGH PERMEABILITY

Номер: US20160009889A1
Автор: Braun Markus, Gieger Thomas, Mitchell Michael A., Riegel Ulrich, Weismantel Matthias
Принадлежит: BASF SE

A process for producing water-absorbing polymer particles with high free swell rate and high permeability by polymerization of an aqueous monomer solution or suspension to give an aqueous polymer gel, wherein a thermal blowing agent essentially free of inorganic acid anions is mixed into the polymer gel, and subsequent thermal drying of the polymer gel. 1. A process for producing water-absorbing polymer particles , comprising polymerizing an aqueous monomer solution or suspension comprisinga) at least one ethylenically unsaturated monomer which bears an acid group and optionally is at least partly neutralized,b) at least one crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomer copolymerizable with the monomer mentioned under a) ande) optionally one or more water-soluble polymer,to give an aqueous polymer gel, thermally drying of the polymer gel, comminuting the dried polymer gel to polymer particles and classifying the resulting polymer particles, which comprises mixing a thermal blowing agent essentially free of inorganic acid anions into the aqueous polymer gel.2. The process according to claim 1 , wherein the thermal blowing agent is mixed into the aqueous polymer gel by means of a kneader or extruder.3. The process according to claim 1 , wherein the polymerization is performed in a kneader and a thermal blowing agent is added after at least 50% of the residence time in the kneader.4. The process according to claim 1 , wherein from 0.1 to 10% by weight of the thermal blowing agent claim 1 , based on the unneutralized monomer a) claim 1 , is used.5. The process according to claim 1 , wherein the thermal blowing agent comprises urea.6. The process according to claim 1 , wherein the thermal drying is performed at a temperature above the decomposition temperature of the thermal blowing agent.7. The process according to claim 1 , wherein monomer a) is acrylic acid to an extent of at least 90 mol % and/or monomer a) has been ...

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Номер записи: 78
09-01-2020 дата публикации

SUPER ABSORBENT POLYMER AND METHOD FOR PRODUCING SAME

Номер: US20200009529A1
Автор: Han Chang Sun, Hwang Min Ho, Lee Sang Gi, LEE Soo Jin, Nam Hye Mi
Принадлежит: LG CHEM, LTD.

The present invention relates to an olefin polymer and a method for producing the same. The super absorbent polymer can exhibit excellent absorbent properties even in a swollen state and thus exhibit excellent anti-rewetting effects. Accordingly, when the super absorbent polymer is used, it is possible to provide a sanitary material such as a diaper or a sanitary napkin which can give a smooth touch feeling even after the body fluid is discharged. 2. The super absorbent polymer of claim 1 , wherein it has a centrifuge retention capacity for a physiological saline solution of 30 to 40 g/g.3. The super absorbent polymer of claim 1 , wherein it has an absorbency under load under 0.9 psi for a physiological saline solution of 19 to 25 g/g.4. The super absorbent polymer of claim 1 , wherein it has a free swell gel bed permeability for a physiological saline solution of about 50 darcy to about 100 darcy.7. The method for producing a super absorbent polymer of claim 6 , wherein the epoxy-based surface crosslinking agent include at least one polyglycidyl ether selected from the group consisting of ethylene glycol diglycidyl ether claim 6 , propylene glycol diglycidyl ether claim 6 , butanediol diglycidyl ether claim 6 , hexanediol diglycidyl ether claim 6 , diethylene glycol diglycidyl ether claim 6 , triethylene glycol diglycidyl ether claim 6 , polyethylene glycol diglycidyl ether claim 6 , dipropylene glycol diglycidyl ether claim 6 , tripropylene glycol diglycidyl ether claim 6 , polypropylene glycol diglycidyl ether claim 6 , and glycerol triglycidyl ether.8. The method for producing a super absorbent polymer of claim 6 , wherein claim 6 , in the step of forming the surface crosslinked layer claim 6 , the surface of the base polymer powder is subjected to a first surface crosslinking at a temperature of 120 to 160° C. for 5 to 40 minutes using an epoxy-based surface crosslinking agent.9. The method for producing a super absorbent polymer of claim 6 , wherein the non- ...

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Номер записи: 79
09-01-2020 дата публикации

Super Absorbent Polymer And Method For Producing Same

Номер: US20200009530A1
Автор: Ahn Tae Bin, Han Chang Sun, Kim Dong Hyun, KIM Yeon Soo, LEE Hyun Sup, LEE Myung Han
Принадлежит: LG CHEM, LTD.

The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the super absorbent polymer has: a fixed height absorption (FHA) of 22.5 g/g to 29 g/g, a saline flow conductivity (SFC) of 35(·10cm·s/g) or more, and T-20 of 180 seconds or less. 1. A super absorbent polymer comprising:a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; anda surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent,wherein the super absorbent polymer has the following features:a fixed height absorption (FHA) (20 cm) for a physiological saline solution (0.9 wt % aqueous sodium chloride solution) of 22.5 g/g to 29 g/g,{'sup': −7', '3, 'a saline flow conductivity (SFC) for a physiological saline solution (0.685 wt % aqueous sodium chloride solution) of 35(·10cm·s/g) or more, and'}T-20 of 180 seconds or less which indicates the time required for absorbing 1 g of the super absorbent polymer to 20 g of aqueous solution of 0.9 wt % sodium chloride and 0.01 wt % alcohol ethoxylate having 12 to 14 carbon atoms under pressure of 0.3 psi.2. The super absorbent polymer according to claim 1 , wherein the super absorbent polymer has a centrifuge retention capacity (CRC) for a physiological saline solution (0.9 wt % aqueous sodium chloride solution) for 30 minutes of 26 g/g to 34 g/g.3. The super absorbent polymer according to claim 1 , wherein the super absorbent polymer has a free swell rate (FSR) of 0 ...

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Номер записи: 80
11-01-2018 дата публикации

VARNISH FOR POROUS POLYIMIDE FILM PRODUCTION AND METHOD FOR PRODUCING POROUS POLYIMIDE FILM USING SAME

Номер: US20180009962A1
Автор: Ichikawa Masanori, Ishikawa Kaoru, SUGAWARA Tsukasa, TOBARI Mitsuharu
Принадлежит: TOKYO OHKA KOGYO CO., LTD.

Provided are a varnish for porous polyimide film production, providing an unburned composite film that is less likely to have a sea-island structure, and a method for producing a porous polyimide film using the same. The varnish according to the present invention comprises a resin including polyamide acid and/or polyimide, fine particles, and a solvent, and has a fine particle content of not less than 65% by volume relative to the total of the resin and the fine particles and a viscosity at 25° C. of not less than 550 mPa·s. Preferably, the varnish further comprises a dispersant. The method for producing a porous polyimide film according to the present invention comprises: forming an unburned composite film using the varnish; burning the unburned composite film to obtain a polyimide-fine particle composite film; and removing the fine particles from the polyimide-fine particle composite film. 1. A varnish comprising a resin , fine particles , and a solvent , whereinthe resin includes polyamide acid and/or polyimide,a content of the fine particles is not less than 65% by volume with respect to a total of the resin and the fine particles, anda viscosity at 25° C. of the varnish is not less than 550 mPa·s.2. The varnish according to claim 1 , further comprising a dispersant.3. A method for producing a porous polyimide film claim 1 , the method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'forming an unburned composite film using the varnish as defined in ;'}burning the unburned composite film to obtain a polyimide-fine particle composite film; andremoving the fine particles from the polyimide-fine particle composite film.4. The method according to claim 3 , whereinin the forming, the unburned composite film is formed on a lower film that is different from the unburned composite film; andin the burning, the lower film together with the unburned composite film is burned.5. The varnish according to claim 1 , wherein the varnish is used for porous polyimide ...

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Номер записи: 81
11-01-2018 дата публикации

COMPOSITE MATERIAL VIA IN-SITU POLYMERIZATION OF THERMOPLASTIC (METH)ACRYLIC RESINS AND ITS USE

Номер: US20180009968A1
Автор: GERARD Pierre, GLOTIN Michel, HOCHSTETTER Gilles
Принадлежит:

The present invention relates to a composite material obtained by in situ polymerization of a thermoplastic resin with a fibrous material. More particularly the present invention relates to a polymeric composite material obtained by in-situ polymerization of a thermoplastic (meth)acrylic resin and a fibrous material containing long fibers and its use, a process for making such a composite material and manufactured mechanical or structured part or article comprising this polymeric composite material. 1. A continuous process for forming a fully impregnated (meth)acrylate prepreg comprising the steps of:a) forming a liquid syrup comprising admixing one or more (meth)acrylate monomer, and an initiator, wherein said liquid syrup has a dynamic viscosity at 25° C. of between 10 mPa*s and 10000 mPa*sb) impregnating said liquid syrup into a moving fibrous material;c) applying pressure or vacuum to said coated fibrous material to press the liquid syrup for a complete wetting of the fibrous material;d) heating the impregnated fabric, net or mat through a curing oven at 10° C. to 160° C. to polymerize the (meth)acrylate monomers; ande) removing said fibrous material from the oven, resulting in a polymeric thermoplastic (meth)acrylate composite material.2. The process of claim 1 , wherein said fibrous material is selected from the group consisting of fibers claim 1 , fiber bundles claim 1 , fabric claim 1 , woven and non-woven nets claim 1 ,{'claim-ref': [{'@idref': 'CLM-00009', 'claims 9'}, {'@idref': 'CLM-00010', '10'}], 'Process for preparing the polymeric composite material according to any of to , wherein the liquid syrup comprises oligomers or polymers dissolved in the monomer or the monomers'}3. The process of claim 1 , wherein fibers of the fibrous material consist of two or more different types of fibers.4. The process of claim 1 , wherein said fibrous material comprises two or more stacked or folded fibrous materials.5. The process of wherein said liquid syrup has a ...

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Номер записи: 82
11-01-2018 дата публикации

PROCESS FOR PRODUCING PIGMENT-CONTAINING MODIFIED POLYMER PARTICLES

Номер: US20180009988A1
Автор: Sato Takahiro, UEDA Yasufumi
Принадлежит: KAO CORPORATION

The present invention relates to [1] a process for producing pigment-containing modified polymer particles, including the step of reacting pigment-containing polymer particles (A) containing a functional group and a compound (B) containing a reactive group capable of reacting with the functional group of the polymer particles (A) in a medium under such a condition that a ratio [(B)/(A)] of total moles of the reactive group of the compound (B) to total moles of the functional group of the polymer particles (A) is from 0.10 to 0.62; [2] a pigment water dispersion including an aqueous medium and the modified polymer particles produced by the aforementioned process which are dispersed in the aqueous medium; and [3] an ink including the aforementioned pigment water dispersion and an organic solvent. The modified polymer particles are free from formation of coarse particles upon production of pigment particles, so that an ink obtained by using the modified polymer particles can be prevented from suffering from increase in viscosity thereof when the ink is being concentrated by evaporation of water from the ink, and is excellent in rub fastness when printed on a low-water absorbing recording medium. 1. A process for producing pigment-containing modified polymer particles , comprising the step of:reacting pigment-containing polymer particles (A) comprising a functional group and a compound (B) comprising a reactive group capable of reacting with the functional group of the polymer particles (A) in a medium under such a condition that a ratio [(B)/(A)] of total moles of the reactive group of the compound (B) to total moles of the functional group of the polymer particles (A) is not less than 0.10 and not more than 0.62.2. The process for producing pigment-containing modified polymer particles according to claim 1 , wherein the medium is an aqueous medium.3. The process for producing pigment-containing modified polymer particles according to claim 1 , wherein the reactive ...

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Номер записи: 83
12-01-2017 дата публикации

FILM

Номер: US20170010390A1
Автор: Abe Toru, HOSHIBA Takao, NAKAHARA Atsuhiro, NOMOTO Yusaku, TAKASUKA Yuuki, Tsuji Wataru
Принадлежит: KURARAY CO.,LTD.

A film obtained by molding a methacrylic resin composition, the methacrylic resin composition comprises: a methacrylic resin having a triad syndiotacticity (rr) of not less than 50% and a weight average molecular weight of 80000 to 200000 and comprising not less than 92% by mass of a structural unit derived from methyl methacrylate, and a polycarbonate resin having an MVR of 130 to 250 cm/20 min at 300° C. and 1.2 Kg, in which a mass ratio of the methacrylic resin to the polycarbonate resin is 91/9 to 99/1, and the total content of the methacrylic resin and the polycarbonate resin is 80 to 100% by mass. The film is layered to at least one surface of a polarizer to give a polarizing plate. 1. A film comprising a methacrylic resin composition , the methacrylic resin composition comprising:a methacrylic resin having a triad syndiotacticity (rr) of not less than 50% and a weight average molecular weight of 80000 to 200000 and comprising not less than 92% by mass of a structural unit derived from methyl methacrylate, and{'sup': '3', 'a polycarbonate resin having an MVR of 130 to 250 cm/10 min at 300° C. and 1.2 Kg;'}in which a mass ratio of the methacrylic resin to the polycarbonate resin is from 91/9 to 99/1, and the total content of the methacrylic resin and the polycarbonate resin is 80 to 100% by mass.2. The film according to claim 1 , having a thickness of 10 to 50 μm.3. The film according to claim 1 , wherein the methacrylic resin has the syndiotacticity (rr) of not less than 58% and not more than 85%.4. The film according to claim 1 , wherein the methacrylic resin comprises not less than 99% by mass of the structural unit derived from methyl methacrylate.5. The film according to claim 1 , the film being a biaxially stretched film having an area based draw ratio of 1.5 to 8.6. A polarizer protective film claim 1 , comprising the film according to .7. A polarizing plate claim 6 , comprising a polarizer and at least one of the polarizer protective film according to ...

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Номер записи: 84
14-01-2021 дата публикации

AQUEOUS POLYOLEFIN DISPERSION

Номер: US20210009766A1
Автор: Maier Anna, REICHENBACH Anita
Принадлежит:

The invention relates to an aqueous polyolefin dispersion comprising from 50 to 100 wt. % of a aqueous dispersion A comprising the following ingredients: from 30 to 90 wt. % of A1, a copolymer of polyethylene and (meth)acrylic acid [E(M)AA] or a mixture of different copolymers of polyethylene and (meth)acrylic acid, from 10 to 70 wt. % of A2, another polymer, not being a copolymer of polyethylene and (meth)acrylic acid, or a mixture of other polymers, and from 0-15 wt. % of additive from 0 to 50 wt. % of a compound B, where compound B is a material dispersable or soluble in water and different from any of the ingredients of dispersion A wherein the wt. % of A and B is based on the solid content of the whole aqueous polyolefin dispersion and the wt % of the ingredients of dispersion A is based on the solid content of dispersion A, the sum of the wt. % of ingredients i to iii of dispersion A is 100%. 1. An aqueous polyolefin dispersion comprising a. from 30 to 90 wt. % of A1, a copolymer of polyethylene and (meth)acrylic acid [E(M)AA] or a mixture of different copolymers of polyethylene and (meth)acrylic acid,', 'b. from 10 to 70 wt. % of A2, another polymer, not being a copolymer of polyethylene and (meth)acrylic acid, or a mixture of other polymers, and', 'c. from 0-15 wt. % of additive,, 'a. from 50 to 100 wt. % of an aqueous dispersion A comprising the following ingredientsb. from 0 to 50 wt. % of a compound B, where compound B is a material dispersable or soluble in water and different from any of the ingredients of dispersion A, the wt. % of aqueous dispersion A and compound B is based on the solid content of the whole aqueous polyolefin dispersion,', 'the wt % of the ingredients of dispersion A is based on the solid content of dispersion A,', 'the sum of the wt. % of ingredients a.-c. of dispersion A is 100%, and', 'A2 comprises one or more of copolymers of ethylene and vinyl acetate (EVA), copolymers of ethylene and vinyl acetate (EVA) modified with maleic ...

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Номер записи: 85
14-01-2021 дата публикации

Formulation of di(4-tert-butylcyclohexyl) peroxydicarbonate

Номер: US20210009786A1
Автор: Antonie Den Braber, Auke Gerardus Talma, Geesje Klasina Spijkerman, Markus Oliver Majoor, Martin Hermanus Maria Jansen
Принадлежит: Nouryon Chemicals International BV

Powder formulation comprising 20-75 wt % of di(4-tert-butylcyclohexyl) peroxydicarbonate and 25-80 wt % of a phlegmatizer selected from the group consisting of ethylene glycol dibenzoate, phenyl benzoate, trimethylol propane tribenzoate, dimethylsulfon, ethylene glycol ditoluate, 1,3-propanediol ditoluate, ethylene glycol 4-tert-butylbenzoate, ethylene glycol monobenzoate monotoluate, 2,3-butanediol dibenzoate, 4-methylphenyl benzoate acid ester, and combinations thereof.

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Номер записи: 86
14-01-2021 дата публикации

Acrylic resin powder, resin composition, hot melt adhesive composition containing acrylic resin powder and method for producing same

Номер: US20210009868A1
Автор: Shogo MIYAI, Toru Kondo
Принадлежит: Mitsubishi Chemical Corp

An acrylic resin powder soluble in acetone, including a multi-stage polymer (M) that includes a polymer (B) obtained by polymerizing a monomer mixture (b) containing methyl methacrylate and an alkyl (meth)acrylate ester (mb) in the presence of a polymer dispersion that contains a polymer (A) obtained by polymerizing a monomer mixture (a) containing an alkyl (meth)acrylate ester (ma), in which an alkyl group in the alkyl (meth)acrylate ester (ma) has 4 to 8 carbon atoms, an alkyl group in the alkyl (meth)acrylate ester (mb) has 4 to 8 carbon atoms, a glass transition temperature of the polymer (A) is 20° C. or lower, a glass transition temperature of the polymer (B) obtained by polymerizing the monomer mixture (b) is 55° C. or higher, and a mass average molecular weight of the multi-stage polymer (M) is 10,000 or more and 300,000 or less.

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Номер записи: 87
10-01-2019 дата публикации

PHOTOACTIVATABLE FOULING-RESISTANT COPOLYMERS

Номер: US20190010268A1
Автор: Bouchard Michael, LI JUN, TOROK FANNI, Victor John, ZHANG Zheng
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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Номер записи: 88
09-01-2020 дата публикации

Super Absorbent Polymer And Method For Producing Same

Номер: US20200010624A1
Автор: Bo Hyun Seong, Dae Woo Nam, Hyung Ki YOON, Ji Yoon Jeong, Jun Kyu Kim, Seon Jung Jung, Seong Beom Heo, Su Jin Kim, Tae Hwan Jang, Yeon Woo Hong
Принадлежит: LG Chem Ltd

A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.

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Номер записи: 89
09-01-2020 дата публикации

LIQUID COMPOSITION COMPRISING TWO INITIATORS, ITS PROCESS OF POLYMERIZATION, USE AND MATERIAL OR COMPOSITION OBTAINEDFOLLOWING POLYMERIZATION OF COMPOSITION

Номер: US20200010639A1
Автор: ESCALE Pierre, GERARD Pierre, ZOLLER Alexander
Принадлежит:

The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least two initiators. In particular the present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least two initiators that have a different half life time. That liquid composition can be used as a syrup and especially as a syrup for impregnation of fibres or fibrous material. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition. The invention also relates to a process for manufacturing such a liquid composition. The invention also relates to a process for impregnating a fibrous substrate of long fibres with said liquid composition. The invention also relates to a fibrous substrate impregnated with said liquid composition which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition. 1. A liquid composition comprising ,a) a (meth)acrylic polymer (P1),b) a (meth)acrylic monomer (M1), andc) two different initiators (Ini1) and (Ini2),said liquid composition is having a dynamic viscosity of between 10 mPa*s and 10,000 mPa*s at 25° C.2. The liquid composition as claimed in claim 1 , wherein the quantity of two initiators (Ini1) and (Ini2) together in the composition is between 0.1phr and 15phr relative to the sum of (meth)acrylic monomer (M1) and (meth)acrylic polymer (P1).3. The liquid composition according to claim 1 , wherein the two initiators (Ini1) and (Ini2) have at any given temperature T1 different half-life times t.4. The liquid composition according to claim 3 , wherein the second initiator (Ini2) has at a given temperature Ta half-life time tthat is at least two times of the half-life time tof the first initiator (Ini1 ...

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Номер записи: 90
12-01-2017 дата публикации

PROTECTIVE FILM FORMING FILM, PROTECTIVE FILM FORMING SHEET AND WORK PRODUCT MANUFACTURING METHOD

Номер: US20170011949A1
Автор: Inao Youichi, Saiki Naoya, Yamamoto Daisuke, YONEYAMA Hiroyuki
Принадлежит:

A protective film forming film is provided in which the product of the breaking stress (MPa) measured at a measurement temperature of 0° C. and the breaking strain (unit: %) measured at a measurement temperature of 0° C. in at least one of the protective film forming film and a protective film formed from the protective film forming film is in a range of 1 MPa·% to 250 MPa·%. According to such a protective film forming film , the protective film forming film or the protective film formed from the protective film forming film can be suitably divided in an expanding process performed on a workpiece when the workpiece is divided to obtain a work product. 1. A protective film forming film ,wherein the product of the breaking stress (MPa) measured at a measurement temperature of 0° C. and the breaking strain (unit: %) measured at a measurement temperature of 0° C. in at least one of the protective film forming film and a protective film formed from the protective film forming film is in a range of 1 MPa·% to 250 MPa·%.2. The protective film forming film according to claim 1 , wherein the light transmittance at a wavelength of 1064 nm is 30% or greater.3. A protective film forming sheet claim 1 , comprising:a dicing sheet which includes a base material and an adhesive layer laminated on one surface side of the base material; and{'claim-ref': [{'@idref': 'CLM-00001', 'claim 1'}, {'@idref': 'CLM-00002', '2'}], 'the protective film forming film according to or which is laminated on the adhesive layer side of the dicing sheet.'}4. The protective film forming sheet according to claim 3 , wherein the light transmittance at a wavelength of 1064 nm is 30% or greater.5. A method of manufacturing a work product claim 3 , comprising:a first modified layer forming process of forming a modified layer in the inside of a workpiece by irradiating the workpiece with laser beams in the infrared region such that the laser beams are focused on a focal point set in the inside of the workpiece ...

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Номер записи: 91
12-01-2017 дата публикации

Plastic substrate and display device comprising the same

Номер: US20170012225A1
Автор: Dongjin Jeong, Hyemin Seo, Jinnyoung Heo, Sanggu Kim, Sungguk AN
Принадлежит: Samsung Display Co Ltd

A plastic substrate includes: a transparent plastic support member; a first inorganic layer on a surface of the plastic support member; and a first organic-inorganic hybrid layer on the first inorganic layer. A display device includes a display panel and a window on the display panel, the window including the plastic substrate.

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Номер записи: 92
15-01-2015 дата публикации

ROOM TEMPERATURE FOR CROSSLINKED FOAM

Номер: US20150013880A1
Автор: "OLeary Robert J.", Korwin-Edson Michelle L., Olang Fatemeh Nassreen, Quinn Robert Edwin
Принадлежит:

Foams for filling cavities and crevasses and for forming foamed products are provided. The latex foam may include an A-side containing a functionalized latex and a B-side that contains a crosslinking agent and optionally a non-functionalized latex. The A- and/or B-side contain a blowing agent package or components forming the blowing agent package. The blowing agent package may be the combination of two or more chemicals that when mixed together form a gas or a chemical compound that, when activated by heat or light, forms a gas. In an alternate embodiment, the latex foam includes a functionalized latex, an acid, and an encapsulated crosslinking agent and base. Alternatively, the spray latex foam may include a functionalized latex, a crosslinking agent, and an encapsulated dry acid and dry base. The encapsulating agent may be a protective, non-reactive shell that can be broken or melted at the time of application. 2. The method of claim 1 , the method further comprising positioning an interior member on said elastomeric foam.3. The method of claim 1 , wherein said crosslinking agent is a polyfunctional aziridine.4. The method of claim 3 , wherein said blowing agent is formed of an acid and a base claim 3 , wherein said first component includes said base when said second component includes said acid; and wherein said first component includes said acid when said second component includes said base claim 3 , said method further comprising the step of reacting said acid and said base to form a gas to initiate said foaming reaction.5. The method of claim 3 , wherein said acid is polyacrylic acid claim 3 , said base is sodium bicarbonate claim 3 , and said foam has a structure; and wherein said polyacrylic acid reacts with said sodium bicarbonate to form a gas as said polyacrylic acid further reacts with said crosslinking agent to become integrated with said foam structure.6. The method of claim 3 , wherein said base is sodium bicarbonate having a mean particle size from ...

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Номер записи: 93
14-01-2016 дата публикации

SEMICONDUCTOR DEVICE PRODUCTION METHOD, SHEET-SHAPED RESIN COMPOSITION, DICING TAPE-INTEGRATED SHEET-SHAPED RESIN COMPOSITION

Номер: US20160013089A1
Автор: FUKUI Akihiro, Hanazono Hiroyuki, Morita Kosuke, Suzuki Akira, TAKAMOTO Naohide
Принадлежит:

A production method for a semiconductor device is provided whereby, when peeling a support body from an attached wafer, melting of a sheet-shaped resin composition pasted to the other surface of the wafer can be suppressed. The method comprises: preparing a support body-attached wafer, said support body-attached wafer having the support body bonded, via a temporary fixing layer, to one surface of the wafer having a through electrode formed therein; preparing a dicing tape-integrated sheet-shaped resin composition having a sheet-shaped resin composition having an external shape smaller than the other surface of the wafer formed upon a dicing tape; pasting the other surface of the support body-attached wafer to the sheet-shaped resin composition in the dicing tape-integrated sheet-shaped resin composition; and melting the temporary fixing layer by a solvent and peeling the support body away from the wafer. 1. A semiconductor device production method , comprising:a step A of preparing a wafer with a support including a wafer, a temporary fixing layer, and a support bonded to one side of the wafer, on which a through electrode is formed, with the temporary fixing layer interposed therebetween,a step B of preparing a dicing tape-integrated sheet-shaped resin composition including a dicing tape and a sheet-shaped resin composition smaller in an outer shape than the other side of the wafer formed on the dicing tape,a step C of pasting the other side of the wafer with a support to the sheet-shaped resin composition of the dicing tape-integrated sheet-shaped resin composition, anda step D of dissolving the temporary fixing layer with a solvent to peel the support from the wafer.2. The semiconductor device production method according to claim 1 , comprising a step E of dicing the wafer together with the sheet-shaped resin composition after the step D to obtain a chip with the sheet-shaped resin composition.3. The semiconductor device production method according to claim 2 , ...

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Номер записи: 94
19-01-2017 дата публикации

CROSSLINKING AGENT COMPOSITION FOR WATER-ABSORBING RESIN

Номер: US20170014802A1
Автор: FUSHIKI Masato, HOSOMI Tetsuya, NAGANO Toyohiro
Принадлежит:

The present invention aims to provide a crosslinking agent composition for water-absorbing resins with which it is possible to produce a water-absorbing agent having a high water absorption capacity. The present invention also aims to provide a water-absorbing agent produced by crosslinking a water-absorbing resin with the crosslinking agent composition for water-absorbing resins. The present invention may include a crosslinking agent composition for water-absorbing resins containing a crosslinking agent (A) and a water absorption improver (B), wherein the water absorption improver (B) is a halohydrin compound (b1) represented by the formula (1) below or a compound (b2) containing at least one selected from the group consisting of carbonate, carbamide, carbamate, and ureide groups: 3. The crosslinking agent composition for water-absorbing resins according to claim 1 ,wherein the crosslinking agent (A) and the water absorption improver (B) are present in a weight ratio of A:B of 50:50 to 99:1.4. A water-absorbing agent claim 1 , produced by adding the crosslinking agent composition for water-absorbing resins according to to a water-absorbing resin containing a carboxylic acid group and/or a carboxylate group claim 1 , followed by heating to effect crosslinking.5. A method for producing a water-absorbing agent claim 1 , the method comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'adding the crosslinking agent composition for water-absorbing resins according to to a water-absorbing resin containing a carboxylic acid group and/or a carboxylate group, followed by heating to effect crosslinking.'} The present invention relates to a crosslinking agent composition for water-absorbing resins with which it is possible to produce a water-absorbing agent having a high water absorption capacity. The present invention also relates to a water-absorbing agent produced by crosslinking a water-absorbing resin with the crosslinking agent composition for water-absorbing ...

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Номер записи: 95
03-02-2022 дата публикации

PUMPABLE, THERMALLY CURABLE AND EXPANDABLE PREPARATIONS

Номер: US20220033604A1
Автор: Kohlstrung Rainer, Rappmann Klaus
Принадлежит:

A thermally expandable preparation pumpable at application temperatures in the range of 50 to 120° C., is provided containing: at least one polymer selected from binary copolymers containing at least one monomer unit selected from vinyl acetate, (meth)acrylic acids, styrene and derivatives thereof, and terpolymers based on at least one first monomer selected from the monounsaturated or polyunsaturated hydrocarbons, and at least one second monomer selected from (meth)acrylic acids and derivatives thereof, and at least one third monomer selected from epoxy-functionalized (meth)acrylates, as well as combinations of the first two; at least one liquid polymer selected from liquid hydrocarbon resins, liquid polyolefins and liquid polymers based on one or more diene monomers; at least one peroxide; at least one thermally activatable blowing agent; and at least one adhesion promoter; as well as methods to stiffen/reinforce or seal structural components by application of the preparation. 1. A thermally expandable preparation which can be pumped at application temperatures in a range of 50° C. to 120° C. , and contains , in each case based on a total weight of the preparation: (a1) binary copolymers containing at least one monomer unit selected from vinyl acetate, (meth)acrylic acids, styrene and derivatives thereof, and', '(a2) terpolymers based on at least one first monomer selected from monounsaturated or polyunsaturated hydrocarbons, and at least one second monomer selected from (meth)acrylic acids and derivatives thereof, and at least one third monomer selected from epoxy-functionalized meth(acrylates); and combinations of (a1) and (a2);, '(a) 3 to 40 wt. % of at least one polymer, optionally comprising a peroxidically crosslinkable polymer, the at least one polymer being selected from (b1) liquid hydrocarbon resins;', '(b2) liquid polyolefins; and', '(b3) liquid polymers based on one or more diene monomers;, '(b) 1 to 40 wt. % of at least one liquid polymer selected ...

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Номер записи: 96
03-02-2022 дата публикации

COMPOSITION COMPRISING SCATTERING PARTICLES

Номер: US20220033615A1
Автор: Macy Noah, TOMBOLATO Sylvain
Принадлежит:

The present invention relates to a composition comprising scattering particles. In particular the present invention relates to polymeric composition comprising scattering particles for lightning applications or light guides. The invention also relates to a process for manufacturing such a polymeric composition comprising scattering particles for lightning applications or light guides. More particularly the present invention relates to a polymeric (meth)acrylic composition comprising inorganic scattering particles for lightning applications or light guides. 11. A composition C comprising:{'b': '1', 'a) a transparent material M and,'}{'b': 1', '1', '1, 'sub': x', '1-x', '3', '1-y', 'y', '3', '1-y', 'y', 'x', '1-x', '3, 'b) inorganic particles P comprising an inorganic compound either of the formula ABCX, wherein x is from 0 to 1 and A, B, and C are cations and X is an anion; or inorganic particle P comprises an inorganic compound of the formula A′A″CX, wherein y is from 0 to 1 and A′, A″, and C are cations and X is an anion; or inorganic particle P comprises an inorganic compound of the formula A′A″BCX, wherein x is from 0 to 1, y is from 0 to 1 and A′, A″, B, and C are cations and X is an anion;'}{'b': 1', '1, 'said particles having a weight average particle diameter between 1 nm and 1 μm, wherein the particles P represents between 0.1 ppm and 1000 ppm of the composition C comprising the components a) and b).'}21111. The composition C according to claim 1 , wherein the composition C comprises between 0.1 ppm and 100 ppm by weight of the inorganic particles P in the composition C calculated on the components a) and b).3. (canceled)4. (canceled)51111. The composition C according to claim 1 , wherein the composition C comprises between 1 ppm and 5 ppm by weight of the inorganic particles P in the composition C calculated on the components a) and b).6111. The composition C according to claim 1 , wherein the transparent material M is a transparent polymer P.7111. The ...

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Номер записи: 97
15-01-2015 дата публикации

COOLING NEUTRALIZED ACRYLIC ACID BY MEANS OF AN ABSORPTION CHILLER

Номер: US20150017426A1
Автор: Becker Volker, Beerhorst Martin W., Grupe Heinz-Peter, Jung Detlef, Reimann Armin, Rudolph Henry, van Stiphoudt Manfred, Vorholt Herbert
Принадлежит: EVONIK DEGUSSA GmbH

The invention relates to a process for the preparation of water-absorbent polymer particles, comprising the process steps of preparing an aqueous monomer solution comprising at least partially neutralized, monoethylenically unsaturated monomers bearing carboxylic acid groups (α1) and at least one crosslinker (α3), and at least partially neutralizing acrylic acid by mixing acrylic acid with an aqueous solution of sodium hydroxide, thereby obtaining an aqueous solution of the at least partially neutralized acrylic acid; cooling the aqueous solution with a cooling liquid in a heat exchanger, wherein the cooling liquid used in the heat exchanger has been cooled in an absorption chiller in which at least a part of the heat of the heated cooling liquid obtained in the heat exchanger is consumed by the evaporation of a refrigerant liquid in a vacuum that is created by the absorption of a refrigerant vapor into an absorbent. 1. A process for the preparation of water-absorbent polymer particles , comprising the process steps of(i) preparing an aqueous monomer solution comprising at least partially neutralized, monoethylenically unsaturated monomers bearing carboxylic acid groups (α1) and at least one crosslinker (α3);(ii) optionally adding fine particles of a water-absorbent polymer to the aqueous monomer solution;(iii) adding a polymerization initiator or a at least one component of a polymerization initiator system that comprises two or more components to the aqueous monomer solution;(iv) decreasing the oxygen content of the aqueous monomer solution;(v) charging the aqueous monomer solution into a polymerization reactor;(vi) polymerizing the monomers in the aqueous monomer solution in the polymerization reactor thereby obtaining a polymer gel;(vii) discharging the polymer gel out of the polymerization reactor and optionally comminuting the polymer gel thereby obtaining polymer gel particles;(viii) drying the polymer gel particles;(ix) grinding the dried polymer gel ...

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Номер записи: 98
19-01-2017 дата публикации

CYANINE COLORING COMPOSITION

Номер: US20170015765A1
Автор: HORIE Tomoaki, SHIDA Yukihiko, SUZUKI Katsufumi
Принадлежит: WAKO PURE CHEMICAL INDUSTRIES, LTD.

It is an object of the present invention to provide a cyanine-based coloring composition having higher heat resistance, as compared with a conventional coloring composition. The present invention relates to a compound represented by the following general formula (1), a polymer having a monomer unit derived from the compound, along with a coloring composition, a coloring composition for a color filter, and a colored resin comprising the above-described compound or the above-described polymer. 2. The compound according to claim 1 , wherein the electron-withdrawing substituent in An is a halogen atom.3. The compound according to claim 1 , wherein the electron-withdrawing substituent in An is a fluorine atom.4. The compound according to claim 1 , wherein An is a quaternary boron anion.5. The compound according to claim 1 , wherein An is a tetrakis(perfluorophenyl)borate anion.7. The polymer according to claim 6 , wherein the electron-withdrawing substituent in An is a halogen atom.8. The polymer according to claim 6 , wherein the electron-withdrawing substituent An is a fluorine atom.9. The polymer according to claim 6 , wherein An is a quaternary boron anion.10. The polymer according to claim 6 , wherein An is a tetrakis(perfluorophenyl)borate anion.11. The polymer according to claim 6 , wherein the polymer is a copolymer.13. A coloring composition comprising the compound according to .14. A coloring composition for a color filter comprising the compound according to .15. A colored resin comprising the compound according to .16. A coloring composition comprising the polymer according to .17. A coloring composition for a color filter comprising the polymer according to .18. A colored resin comprising the polymer according to . The present invention relates to a cyanine-based coloring compound; a polymer having a monomer unit derived from the compound; and a coloring composition comprising the polymer.As a method for forming a color pixel in manufacturing a color filter ...

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Номер записи: 99
19-01-2017 дата публикации

WATER-ABSORBING RESIN CROSSLINKING AGENT

Номер: US20170015808A1
Автор: FUSHIKI Masato, HOSOMI Tetsuya, NAGANO Toyohiro
Принадлежит:

The present invention aims to provide a water-absorbing resin crosslinking agent which is excellent in safety and which can effectively crosslink a water-absorbing resin at low temperatures to produce a water-absorbing agent having a high water absorption capacity. The present invention also aims to provide a water-absorbing agent produced by crosslinking a water-absorbing resin with the water-absorbing resin crosslinking agent, and a method for producing the water-absorbing agent. The present invention may include a water-absorbing resin crosslinking agent containing a halohydrin compound having one halohydrin group represented by the following formula (1) in its molecule: 2. The water-absorbing resin crosslinking agent according to claim 1 ,wherein the A is a methylene group.4. A water-absorbing agent claim 1 , produced by adding at least one water-absorbing resin crosslinking agent according to to a water-absorbing resin containing a carboxylic acid group and/or a carboxylate group claim 1 , followed by heating to effect crosslinking.5. A method for producing a water-absorbing agent claim 1 , the method comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'adding at least one water-absorbing resin crosslinking agent according to to a water-absorbing resin containing a carboxylic acid group and/or a carboxylate group, followed by heating.'} The present invention relates to a novel water-absorbing resin crosslinking agent which is excellent in safety and which can effectively crosslink a water-absorbing resin at low temperatures to produce a water-absorbing agent having a high water absorption capacity; and a method for producing the crosslinking agent. The present invention also relates to a water-absorbing agent produced by crosslinking a water-absorbing resin with the crosslinking agent.Water-absorbing resins are widely used in various fields, including sanitary products, foods, agriculture and forestry industries, and civil engineering. These resins are ...

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Номер записи: 100