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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 20321. Отображено 100.
01-03-2012 дата публикации

Continuous Process For Preparing Nanodispersions Using An Ultrasonic Flow-Through Heat Exchanger

Номер: US20120049163A1
Автор: Alan Edward John Toth, Marko Saban, Santiago Faucher, Yiliang Wu
Принадлежит: Xerox Corp

Described is a continuous process for preparing nanodispersions including providing a composition comprising a liquid and a solute; heating the composition to dissolution of the solute to form a solution comprising the solute dissolved in the liquid; directing the heated solution through a continuous tube wherein the continuous tube has a first end for receiving the solution, a continuous flow-through passageway disposed in an ultrasonic heat exchanger, and a second end for discharging a product stream; treating the heated solution as the solution passes through the continuous flow-through passageway disposed in the ultrasonic heat exchanger to form the product stream comprising nanometer size particles in the liquid; optionally, collecting the product stream in a product receiving vessel; and optionally, filtering the product stream.

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Номер записи: 1
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: 2
03-05-2012 дата публикации

Thermoplastic Composition

Номер: US20120108722A1
Автор: Dean Thetford
Принадлежит: Lubrizol Advanced Materials Inc

The invention relates to a composition containing a particulate solid, a plastic material and a compound obtained/obtainable by a process comprising (i) reacting at a temperature of 120° C. or less, or 100° C. or less a hydroxycarboxylic acid and a lactone; and (ii) optionally reacting the product of (i) with a C 1-50 carboxylic acid. The invention further relates to novel compounds, and the use of the compound as a dispersant in a plastic material.

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Номер записи: 3
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: 4
17-05-2012 дата публикации

Composite Cured Silicone Powder And Method For Production Thereof

Номер: US20120121909A1
Автор: Kazuo Kobayashi, Ryuji Tachibana, Tadashi Takimoto
Принадлежит: Dow Corning Toray Co Ltd

A composite cured silicone powder comprising: (A) a cured silicone powder having an average particle size of 0.1 to 500 μm, (B) an inorganic fine powder coated on the surface of said cured silicone powder and (C) a monohydric or polyhydric alcohol with a boiling point of at least 150° C. coating on the surface of component (A) and/or component (B). The composite cured silicone powder that has an excellent flowability, hydrophilicity, and dispersibility. And, this invention also relates to a production method of the composite, which is characterized by mixing components (A) to (C) under the condition of mechanical shearing.

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Номер записи: 5
14-06-2012 дата публикации

Ultrahydrophobic coating and method for making the same

Номер: US20120149814A1
Автор: Chunbo Ran, Jianli Cheng, Jinyong Li
Принадлежит: Conopco Inc

Compositions for making ultrahydrophobic coatings are described. The compositions comprise microclusters having particles with diameters from 5 nm to 25 microns. The coatings applied are ultrahydrophobic and display a contact angle against water of greater than 130° and a sliding angle of less than 20°.

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Номер записи: 6
26-07-2012 дата публикации

Macroporous Microcarrier Specific to Liver Cell, Preparation Method and Use Thereof

Номер: US20120190113A1
Автор: Duhui Gong, Huancheng Zhou, Mingxin Pan, YI Gao, Zhi Zhang, Zhiwei Hu
Принадлежит: Individual

The present invention provides a macroporous microcarrier specific to hepatocytes using silk fibroin and galactosylated chitosan as main raw material, a preparation method thereof, and application for hepatocyte culture under the culture condition of microgravity rotation. The macroporous microcarrier s a sphere prepared from silk fibroin and galactosylated chitosan under the effect of crosslinker, wherein based on the total weight of the sphere, the content of silk fibroin is 50-80 wt % and the content of galactosylated chitosan is 15-40 wt %. The diameter of the microcarrier is 200-500 μm, and the aperture of the microcarrier is 40-80 μm. Compared with normal solid scaffold material, the microcarrier provided by the present invention has larger surface area/volume ratio and, a sinus gap structure extremely similar with in-vivo liver sinus structure, therefore it is more conducive to adhering of the hepatocytes on the scaffold material, contacting between cells, transporting oxygen and nutrient components and excreting metabolic products.

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Номер записи: 7
26-07-2012 дата публикации

Viscoelastic gels as novel fillers

Номер: US20120190644A1
Автор: Davide RENIER, Matteo D'este
Принадлежит: Fidia Farmaceutici SpA

Biomaterials obtainable by mixing the autocrosslinked derivative of hyaluronic acid (ACP) with the derivative (HBC) of hyaluronic acid crosslinked with 1,4-butanediol diglycidyl ether (BDDE) in the weight ratio of between 10:90 and 90:10 as novel fillers.

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Номер записи: 8
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: 9
09-08-2012 дата публикации

Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications

Номер: US20120199347A1
Автор: Jozef Bicerano
Принадлежит: Sun Drilling Products Corp

A method for fracture stimulation of a subterranean formation having a wellbore. The method comprise a series of steps. A slurry is injected into the wellbore at sufficiently high rates and pressures such that the formation fails and fractures to accept the slurry. The slurry comprises a fluid and a proppant, wherein said proppant comprises a styrene-ethylvinylbenzene-divinylbenzene terpolymer composition having a substantially cured polymer network, wherein said composition lacks rigid fillers or nanofillers. The proppant is emplaced within the fracture network in a packed mass or a partial monolayer of the proppant within the fracture, wherein the packed mass or partial monolayer props open the fracture; thereby allowing produced gases, fluids, or mixtures thereof, to flow towards the wellbore.

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Номер записи: 10
23-08-2012 дата публикации

Flexible article and method of forming the article

Номер: US20120213958A1
Автор: Charles S. Golub, Clemens E. Zoellner, Duan Li Ou, Mark F. Colton, Michael J. Tzivanis, Mitchell L. Snyder
Принадлежит: Saint Gobain Performance Plastics Corp

A flexible article includes a layer of a thermoplastic polyurethane composition including a plasticizer present at up to about 50.0% by weight of the total weight of the composition. The thermoplastic polyurethane composition has a shore A durometer of not greater than about 80. A method of making a flexible article includes combining a thermoplastic polyurethane with a plasticizer to form a thermoplastic polyurethane composition, wherein the plasticizer is present at up to about 50.0% by weight of the total weight of the composition; and forming the thermoplastic polyurethane composition into the flexible article, wherein the flexible article has a shore A durometer of not greater than about 80.

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Номер записи: 11
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: 12
13-12-2012 дата публикации

Elastomeric Compositions Comprising Reclaimed Vulcanized Elastomer Particles of Broad Size Distribution and Chemically Modified Vulcanized Elastomer Particles

Номер: US20120316283A1
Автор: Charles Rosenmayer, Frank Papp
Принадлежит: Individual

Elastomer compositions comprising uncured elastomer and reclaimed elastomer are described. In one embodiment, the compositions comprise reclaimed elastomer material (micronized rubber powder) of broad particle size distribution, which is less expensive than traditional reclaimed elastomer material with narrow particle size distribution. Further, compositions comprising reclaimed elastomer materials with broad particle size distribution perform comparably to those comprising reclaimed elastomer materials with narrow particle size distribution. In other embodiments, the compositions comprise both vulcanized and devulcanized elastomer materials. Advantageously, by using a combination of vulcanized and devulcanized material, it is possible to incorporate a greater percentage by weight of reclaimed material in to an elastomer composition, thus providing additional cost savings while maintaining high levels of mechanical properties. Further, the use of the reclaimed material reduces landfill waste resulting in a more environmentally friendly product.

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Номер записи: 13
27-12-2012 дата публикации

Method for increasing the recyclability of a polyamide used in sintering

Номер: US20120329932A1
Автор: Arnaud Lemaitre, Cyrille Mathieu
Принадлежит: Arkema France SA

The present invention relates to a method for increasing the recyclability of a polyamide in a sintering process, wherein at least 4000 ppm of at least one acid is incorporated in the polyamide, said acid being selected from: the acids of general formula HxPyOz in which x, y and z are integers selected in the range from 1 to 7, boric acid, the salts of these acids, their esters, their anhydrides and mixtures thereof.

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Номер записи: 14
27-12-2012 дата публикации

Drying method for granular water-containing gel-like cross-linked polymer

Номер: US20120329953A1
Автор: Yoshio Irie
Принадлежит: NIPPON SHOKUBAI CO LTD

The present invention is to provide a drying method by which both cost reduction and superior physical properties can be attained in a step which comprises subjecting a water-containing gel-like crosslinked polymer obtained by polymerizing an aqueous monomer solution to fine granulation during or after the polymerization, and drying the resultant particulate water-containing gel-like crosslinked polymer with a through-circulation band dryer. The method has a feature in that the drying conditions over a period from a time of introducing the particulate water-containing gel-like crosslinked polymer into a drying zone of the through-circulation band dryer to a time of reaching a solid content concentration thereof to 80% by weight, satisfy that (1) a difference of temperature between a temperature of hot air blown to a particulate hydrogel layer and a temperature measured after the hot air passes through the particulate hydrogel layer is 20 to 70° C.

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Номер записи: 15
14-02-2013 дата публикации

Polyamide microparticles, manufacturing method therefor, optical film using said polyamide microparticles, and liquid crystal display device

Номер: US20130038822A1
Автор: Hajime Aono, Junya Takahashi, Kimio Nakayama, Ryo Sakimoto, Tatsuya Shoji
Принадлежит: UBE Industries Ltd

Disclosed are polyamide microparticles, a manufacturing method therefor, an optical film, and a liquid crystal display device using the polyamide microparticles, whereby polarized light can be efficiently converted to non-polarized light that is close to natural light, without accompanying a change in color, and light from a light source can be evenly diffused. The disclosed polyamide microparticles are characterized by including a spherocrystal structure and exhibiting a crystallite size of at least 12 nm, as measured by wide-angle X ray diffraction, and a crystallinity of at least 50%, as measured by DSC. The disclosed optical film is characterized by having a resin layer that contains the aforementioned polyamide microparticles. The disclosed liquid crystal display device is provided with a light-source device, a rear polarizer, liquid crystal cells, and a front polarizer, and is characterized by having the aforementioned optical film between the light-source device and either the front surface of the front polarizer or the rear surface of the rear polarizer.

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Номер записи: 16
14-03-2013 дата публикации

Biodegradable pellets foamed by irradiation

Номер: US20130065055A1
Автор: Catia Bastioli, Daniele Turati, Matteo Nicolini, Roberto Lombi
Принадлежит: Novamont SpA

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

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Номер записи: 17
04-04-2013 дата публикации

Powdered resins with fillers

Номер: US20130085211A1
Автор: Aubra K. Bunn, John D. Cothran, Paul S. Baxter, Raymond D. Fowler
Принадлежит: Georgia Pacific Chemicals LLC

Particulate binder compositions and methods for making and using same are provided. The binder composition for producing composite lignocellulose products can include an aldehyde based resin and a filler, an extender, or a combination thereof. The binder composition can be in the form of particulates. The particulates can each comprises the filler, the extender, or the combination thereof and the aldehyde based resin.

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Номер записи: 18
18-04-2013 дата публикации

Agglomerated particulate lignosulfonate

Номер: US20130095319A1
Автор: Kare Reknes
Принадлежит: Borregaard Industries Ltd

An agglomerated particulate lignosulfonate material may he made by introducing or forming lignosulfonate microparticles in a fluidized bed agglomerator, and introducing sufficient heated gas and lignosulfonate liquid in the agglomerator to convert the microparticles to lignosulfonate granules of enlarged size. The granules may have an average size of at least 0.1 mm, and may be used to make a dry-blended cement additive or oil well cement that may be dustless, easily poured and stored, and rapidly dissolved in water.

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Номер записи: 19
18-04-2013 дата публикации

Silicone fine particles and production method thereof

Номер: US20130095324A1
Автор: Yoshinori Inokuchi
Принадлежит: Shin Etsu Chemical Co Ltd

A method for producing silicone fine particles is provided. The particle comprises a spherical fine silicone elastomer particle and polyorganosilsesquioxane particles attached to the surface of the spherical fine silicone elastomer particle. The polyorganosilsesquioxane particle has a particle size of 200 to 2,000 nm which is smaller than the spherical fine silicone elastomer particle. The method comprises the steps of adding an organotrialkoxysilane to water for hydrolysis, and adding spherical fine silicone elastomer particles having a volume average particle size of 0.5 to 100 μm, an anionic surfactant, and an alkaline substance to the organotrialkoxysilane hydrolysate and allowing the mixture to stand to thereby promote condensation of the organotrialkoxysilane hydrolysate so that the polyorganosilsesquioxane is deposited on the surface of the spherical fine silicone elastomer particles.

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Номер записи: 20
25-04-2013 дата публикации

Supercritical Fluid Treatment of High Molecular Weight Biopolymers

Номер: US20130101849A1
Автор: Seifried Bernhard, Temelli Feral
Принадлежит: THE GOVERNORS OF THE UNIVERSITY OF ALBERTA

Micro- and nano-sized particles, agglomerates and fibers are generated from high molecular weight water-soluble biopolymers applying supercritical fluid technology. A method of producing micro- or nanoparticles from an aqueous solution of a high molecular weight biopolymer includes the step of spraying the aqueous solution together with a mixture of a compressible gas and a water-soluble co-solvent/antisolvent into a pressurized chamber. The method may be adapted to impregnate the micro- or nanoparticles with a bioactive material. A method for microencapsulating a bioactive material with a biopolymer is also provided. 1. A method of producing micro- or nanoparticles from an aqueous solution of a high molecular weight biopolymer , comprising the step of a) spraying the aqueous solution together with a mixture of a compressible gas and a water-soluble cosolvent/antisolvent into a pressurized chamber.2. The method of further comprising the step of flushing the chamber after finishing the precipitation of particles with sufficient amounts of a compressible gas to remove any residual cosolvent/antisolvent.3. The method of wherein the compressible gas comprises carbon dioxide claim 1 , carbon dioxide and ethanol claim 1 , nitrogen claim 1 , or mixtures thereof.4. The method of wherein the water-soluble cosolvent/antisolvent comprises ethanol claim 3 , acetone or isopropanol claim 3 , or mixtures thereof.5. The method of wherein the aqueous solution and the compressible gas/cosolvent/antisolvent are sprayed into the pressurized chamber through a coaxial nozzle.6. The method of wherein the high molecular weight biopolymer comprises a polysaccharide.7. The method of wherein the polysaccharide has a molecular weight of 70 kDa or more.8. The method of wherein the polysaccharide comprises gum arabic or β-glucan.9. The method of wherein a water-soluble organic solvent is mixed with the aqueous solution prior to step (a).10. The method of comprising the further step of flushing ...

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Номер записи: 21
25-04-2013 дата публикации

METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER

Номер: US20130102750A1
Автор: Ishizaki Kunihiko, Nakatsuru Reiko, Nogi Kozo, SAKAMOTO Shigeru, Torii Kazushi, Watanabe Yusuke
Принадлежит: NIPPON SHOKUBAI CO., LTD.

A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability. Disclosed is a method for producing a polyacrylic acid (salt)-type water absorbent resin powder, which includes, in sequence, a step of polymerizing an aqueous solution of acrylic acid (salt)-type monomer; a step of gel-crushing a gel of a water-containing gel-like crosslinked polymer during polymerization or after polymerization; a step of drying the water-containing gel-like crosslinked polymer; and a step of pulverizing and classifying the dried polymer, wherein water absorbent resin fine particles having a particle size of less than 150 μm or a hydrated-particles thereof is added to a step prior to the drying step, and in the drying step, hot air drying is carried out with a hot air having an average flow velocity of 1.0 to 3.0 [m/s], a dew point of 30° C. to 100° C., and a hot air temperature of 140° C. to 235° C. 1. A method for producing a polyacrylic acid (salt)-type water absorbent resin powder , comprising in sequence;a polymerization step of an aqueous solution of acrylic acid (salt)-type monomer;a gel-crushing step of a water-containing gel-like crosslinked polymer during or after polymerization;a drying step of the water-containing gel-like crosslinked polymer; anda pulverization and a classification step of the dried polymer,wherein,water absorbent resin fine particles having a particle size of less than 150 μm or hydrated-particles thereof are added to a step prior to the drying step, anda hot air drying is carried out in the drying step with a hot air having an average flow velocity of 1.0 to 3.0 [m/s], a dew point of 30 to 100° C., and a hot air temperature of 140 to 235° C.2. The method for producing according to claim 1 , wherein in the drying step claim ...

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Номер записи: 22
09-05-2013 дата публикации

Process for dry-grinding a polysaccharide derivative

Номер: US20130112787A1
Автор: Juergen Hermanns, Peter E. Pierini, Yvonne M. Goerlach-Doht
Принадлежит: Individual

In a process for producing a particulate polysaccharide derivative by dry-grinding a moist polysaccharide derivative, one or more of the properties selected from median diameter, median length, bulk density and dissolution rate is controlled by controlling the temperature of the polysaccharide derivative prior to thy-grinding. Advantageously one or more of the properties selected from median diameter, median length, bulk density and dissolution rate of the particles after thy-grinding is adjusted to a first value by a first temperature of the polysaccharide derivative prior to thy-grinding and is adjusted to a second value by a second temperature.

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Номер записи: 23
09-05-2013 дата публикации

METHOD FOR PRODUCING AGGLOMERATES HAVING RUBBER AND WAX, AGGLOMERATES PRODUCED ACCORDING TO THE METHOD, AND USE OF THE AGGLOMERATES IN ASPHALT OR BITUMEN MASSES

Номер: US20130116364A1
Автор: Butz Thorsten, Nölting Matthias, Winkelmann Gunnar
Принадлежит:

A method for producing bulk good of agglomerates made of rubber particles and wax. A composition of the agglomerate and the use of the bulk good to produce asphalt or bitumen masses are created in that rubber is activated by swelling and using a swelling agent and a melt made of viscosity-reducing wax and of optional polyoctenamer is added, the activated rubber particles are agglomerated by means of the viscosity-reducing wax and optional adhesion-improving substances. The resulting larger volume leads to a viscosity reduction and the softening leads to a more intimate and more homogeneous wetting with the wax and, in the mixed good to be produced, a viscosity reduction remaining stable in the mixed good for <180 min and an increased stability of the cross-linking of the rubber molecules among each other after the agglomerates have been incorporated are achieved. 123-. (canceled)24. A process for preparing bulk material of agglomerates having rubber particles and waxes , comprising the steps of:a) activating the rubber particles by applying a swelling agent which causes the rubber to swell,b) adding a melt of viscosity-reducing wax to the activated rubber of step a),c) agglomerating the activated rubber particles and viscosity-reducing wax by adding adhesion-enhancing materials, such as resins or polyisobutenes, by mixing.25. The process according to claim 24 , wherein the rubber particles are obtained at ambient temperature and derived from mechanically generated screen fractions.26. The process according to claim 24 , wherein the rubber particles are obtained cryogenically from mechanically generated screen fractions.27. The process according to claim 24 , wherein preparing a mixture of pure claim 24 , rubber particles claim 24 , obtained both at ambient temperature and cryogenically claim 24 , from mechanically generated screen fractions.28. The process according to claim 24 , further comprising forming a layer by adding wax on the rubber particles activated by ...

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Номер записи: 24
23-05-2013 дата публикации

Novel compound, method for producing the same and method for producing fluoropolymer

Номер: US20130131267A1
Автор: Akinari Sugiyama, Nobuhiko Tsuda
Принадлежит: Daikin Industries Ltd

The invention provides a compound which is useful in production of a fluoropolymer and easy to be removed from the produced fluoropolymer, a method of producing the compound, and a method of producing a fluoropolymer using the compound. The invention provides a compound which is represented by Rf 1 —CH 2 O—CF 2 —CHF—Rf 2 —X, wherein Rf 1 represents a fluoroalkyl group containing 1 to 5 carbon atoms, Rf 2 represents a fluoroalkylene group containing 1 to 3 carbon atoms, X represents —COOM or —SO 3 M, and M represents one of H, K, Na, and NH 4 .

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Номер записи: 25
18-07-2013 дата публикации

METHOD FOR MANUFACTURING FINE POLYTETRAFLUOROETHYLENE POWDER

Номер: US20130184401A1
Автор: MIYAMOTO Masayoshi, Sawada Yasuhiko, TSUJI Masayuki, Yamanaka Taku
Принадлежит: DAIKIN INDUSTRIES, LTD.

A method for manufacturing a polytetrafluoroethylene fine powder characterized by including the steps of (1) preparing an aqueous dispersion containing polytetrafluoroethylene, water, and a surfactant (A); (2) coagulating the polytetrafluoroethylene in the aqueous dispersion by agitating the aqueous dispersion with a discharge flow-type impeller; (3) collecting a wet powder of the polytetrafluoroethylene; and (4) drying the wet powder of the polytetrafluoroethylene. 1. A method for manufacturing a polytetrafluoroethylene fine powder , the method comprising the steps of:(1) preparing an aqueous dispersion containing polytetrafluoroethylene, water, and a surfactant (A);(2) coagulating the polytetrafluoroethylene in the aqueous dispersion by agitating the aqueous dispersion with a discharge flow-type impeller;(3) collecting a wet powder of the polytetrafluoroethylene; and(4) drying the wet powder of the polytetrafluoroethylene.2. The method according to claim 1 ,wherein the discharge flow-type impeller is a cone-shaped impeller.3. The method according to claim 1 ,wherein the discharge flow-type impeller is a downward tapering cone-shaped impeller. The present invention relates to a method for manufacturing a polytetrafluoroethylene fine powder.Polytetrafluoroethylene (PTFE) is produced in mainly two types of processes: suspension polymerization and aqueous dispersion (emulsion) polymerization. Aqueous dispersion (emulsion) polymerization provides a latex, and polymer fine particles therein are aggregated and dried to obtain a powder (fine powder), which is then processed by paste extrusion after being compounded mainly with a liquid lubricant. By paste extrusion, the compound is extruded into a form of a rod or a tube from an extruder. The extruded articles are used as sealing materials without being subjected to further processing or by being rolled into a sheet without sintering (calendering), or as filter materials by being stretched into porous films, or are ...

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Номер записи: 26
25-07-2013 дата публикации

Polymer particles having polymer brush and method of preparing the same

Номер: US20130190455A1
Автор: Bo-ryeong Han, Bum-Jae Lee, Choel-han Gang, Chong-min Koo, Do-yeon Park, Moon-Seok Chun, Su-Kyung Kim
Принадлежит: LG Chem Ltd

The present invention provides a method of preparing a polymer particle. More precisely, the invention provides a polymer particle having optimum impact strength and improved elastic recovery rate by forming the brush having softness on the surface of the monodisperse polymer particle by the anion dispersion polymerization using a conjugated diene monomer.

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Номер записи: 27
29-08-2013 дата публикации

Nanoporous particles in a hollow latex matrix

Номер: US20130224464A1
Автор: Stephane Costeux, Thomas H. Kalantar, Yahong Zhang
Принадлежит: Dow Global Technologies LLC

Prepare an article of manufacture by providing a latex of hollow latex particles with a rigid inner shell and adhesive outer shell, providing nanoporous particles and dispersing them into the latex and drying the latex so as to cause the hollow latex particle to bind to one another and form an article of manufacture containing nanoporous particles and hollow latex particles wherein the hollow latex particles are bound directly to one another to form a continuous matrix and the nanoporous particles are dispersed within the continuous matrix of hollow latex particles.

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Номер записи: 28
05-09-2013 дата публикации

Resin particles and process for producing same, antiglare film, light-diffusing resin composition, and external preparation

Номер: US20130230733A1
Автор: Koichiro Okamoto, Masaaki Nakamura, Ryosuke Harada
Принадлежит: Sekisui Plastics Co Ltd

A process for producing resin particles includes a step in which a polymerizable mixture including a polymerizable monomer including at least one of a styrene-based monomer and a (meth)acrylic-based monomer, and a polymerization initiator is absorbed into seed particles in an aqueous medium, without using a dispersant, in the presence of an anionic surfactant not having a polyoxyethylene chain but having an alkyl group; and a step in which the polymerizable monomer is polymerized in an aqueous medium, without using a dispersant, in the presence of an anionic surfactant having a polyoxyethylene chain to thereby obtain resin particles. The resin particles include a resin derived from a polymerizable monomer including at least one of a styrene-based monomer and a (meth)acrylic-based monomer. The proportion by number of particles having a particle diameter in the range of from 80 to 120% of the volume-average particle diameter is 85% or more.

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Номер записи: 29
12-09-2013 дата публикации

Urethane resin particles

Номер: US20130237664A1
Автор: Jun Takeuchi, Masaki Inaba, Shinji Watanabe, Yasuhiro Tsudo, Yuko Matsumoto
Принадлежит: Sanyo Chemical Industries Ltd

Provided is a slush molding material which exhibits excellent low-temperature meltability and heat resistance and which can yield a molded product having excellent tensile strength and elongation. The present invention is urethane resin particles (D 1 ) comprising a urethane or urethane-urea resin (U 1 ) that has residues (j) bonded thereto covalently, said residues (j) being residues derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, or urethane resin particles (D 2 ) comprising a urethane resin composition (S 2 ) which comprises both a urethane or urethane-urea resin (U 2 ) and a compound (E) that has a residue (j) derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, said compound (E) being represented by general formula (1), wherein the residues (j) are linked respectively to urethane or urea groups (u) of the resin (U 1 ) or (U 2 ) by hydrogen bonds.

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Номер записи: 30
19-09-2013 дата публикации

COMPOSITE MATERIAL AND METHOD FOR PRODUCING SAME

Номер: US20130244038A1
Автор: Ganapathy Hullathy Subban, Ihara Hirotaka, Nakasuga Akira, Nozato Shoji, Takafuji Makoto
Принадлежит:

A composite material in which a graphene-like carbon material has excellent adhesion to a substrate composed of resin, and a method for producing the same are provided. The composite material comprises a substrate composed of resin and a graphene-like carbon material layer provided so as to cover at least part of the surface of the substrate, wherein graphene-like carbon is closely attached to the surface of the substrate. The method for producing a composite material comprises bringing a graphene-like carbon material into contact with at least part of the surface of a substrate composed of resin and heating under the action of a supercritical or subcritical fluid.

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Номер записи: 31
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: 32
31-10-2013 дата публикации

Production method for polyamide acid particles, production method for polyimide particles, polyimide particles and bonding material for electronic component

Номер: US20130289156A1
Автор: Satoshi Hayashi
Принадлежит: Sekisui Chemical Co Ltd

An object of the present invention is to provide a method for producing polyamide acid particles which is used as a raw material for polyimide particles with a small average particle diameter having high heat resistance. Other objects of the present invention are to provide a method for producing polyimide particles using the method for producing polyamide acid particles, and polyimide particles produced by the method for producing polyimide particles. Yet another object of the present invention is to provide a bonding material for an electronic component, which has a low linear expansion coefficient and a low elastic modulus after being cured in the temperature range equal to or less than the glass transition temperature, so that a joined body with high reliability can be produced. The present invention is a method for producing polyamide acid particles having a step of preparing a solution having a diamine compound dissolved, and a step of precipitating polyamide acid particles by adding a tetracarboxylic anhydride in a non-solution state to the solution having a diamine compound dissolved while applying a physical impact thereto.

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Номер записи: 33
07-11-2013 дата публикации

Method for producing pseudopolyrotaxane

Номер: US20130296546A1
Автор: Changming Zhao, Hiroki Okazaki, Shigeki Hamamoto, Shinya Okazaki, Tomoaki Yamasaki
Принадлежит: Advanced Softmaterials Inc, Sumitomo Seika Chemicals Co Ltd

The present invention aims to provide an industrially advantageous method of producing a powdery pseudopolyrotaxane with a high inclusion ratio. The present invention relates to a method for producing a pseudopolyrotaxane, including: an inclusion step of mixing a polyethylene glycol and a cyclodextrin in an aqueous medium to form an aqueous dispersion of pseudopolyrotaxane that contains pseudopolyrotaxane particles in which the polyethylene glycol is included in the cavities of the cyclodextrin molecules in a skewered manner; and a drying step of drying the aqueous dispersion of pseudopolyrotaxane produced in the inclusion step to obtain the pseudopolyrotaxane. In the drying step, the aqueous dispersion of pseudopolyrotaxane is sprayed and dried in a heated gas-stream.

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Номер записи: 34
28-11-2013 дата публикации

Process for preparing flowable amorphous poly-alpha olefin adhesive pellets

Номер: US20130317193A1
Автор: Darshak Desai, Ed HANTWERKER, Ken GASPAR, Yuhong Hu
Принадлежит: Henkel Corp

The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.

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Номер записи: 35
05-12-2013 дата публикации

Polymers, Method of Producing the Same, and Articles Made Therefrom

Номер: US20130324681A1
Автор: Robert J. Jorgensen
Принадлежит: Union Carbide Chemicals and Plastics Technology LLC

A virgin granular polymer comprising polymer particles wherein at least 90% by weight of the granular polymer particles, have an I 21 that is within two standard deviations of a mean I 21 of the granular polymer, the ratio of the standard deviation of I 21 to the mean of the granular polymer is less than 0.2 and the ratio of the standard error of a linear fit to the mean of the granular polymer is less than 0.1, and further wherein the virgin granular polymer has an I 21 less than or equal to 70 and/or further wherein at least 90% by weight of the granular polymer particles, have a density that is within two standard deviations of a mean density of the granular polymer, the ratio of the standard deviation of the mean density of the granular polymer to the mean density of the granular polymer is less than 0.002 and the ratio of the standard error of a linear fit to the mean of the density is less than 0.001, and further wherein the virgin granular polymer has an I 21 less than or equal to 70 is provided.

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Номер записи: 36
12-12-2013 дата публикации

PROCESS FOR MANUFACTURING A THERMOFORMABLE PLASTICIZED COMPOSITE CONTAINING CELLULOSE FIBER AND A MOLDABLE POLYMER

Номер: US20130331518A1
Автор: Aalto Samu, Hulkko Janne, IMMONEN Kirsi, Pitkanen Pauliina, Salorinne Kirsi, Sivonen Eino, Valta Kyösti
Принадлежит: TEKNOLOGIAN TUTKIMUSKESKUS VTT

The present invention concerns a process for manufacturing a thermoformable plasticized composite containing cellulose fiber and polylactide by blending the dry cellulose fiber and a compatibilizer in a compactor into pellets, and subsequently reacting the reactive compatibilizer and the mixture of cellulose fiber and polylactide by compounding. The invention also concerns a composite manufactured using said process, as well as further processed products. 1. A process for manufacturing a thermoformable plasticized composite from cellulose fiber and a moldable polymer comprising:blending dry cellulose fibers, the moldable polymer and one or more compatibilizers into a compressed biomaterial, and subsequentlyreacting the compatibilizer(s) and the mixture of cellulose fiber and polylactide by compounding into the composite.2. The process according to claim 1 , wherein the cellulose fiber is obtained from any wood material from softwood trees claim 1 , or any wood material from hardwood trees or from non-wood materials claim 1 , or grasses claim 1 , straw claim 1 , leaves claim 1 , bark claim 1 , seeds claim 1 , hulls claim 1 , flowers claim 1 , vegetables or fruits from materials.3. The process according to claim 1 , wherein the moldable polymer is selected from polylactide claim 1 , polyethylene claim 1 , polypropylene claim 1 , polyhydroxyalkanoates claim 1 , thermoplastic polyesters and polyamides.4. The process according to claim 1 , wherein the at least one compatibilizer is selected from long-chained (≧C8) aliphatic linear or branched organic compounds containing epoxy or anhydride functionalities claim 1 , or alternatively from such compounds containing silicate or hydroxyl functionalities.5. The process according to claim 1 , wherein the raw-materials and the compatibilizers are pressed through the openings of a dry compactor 1-20 times.6. The process according to claim 1 , wherein the raw materials and the compatibilizers are pressed through the openings of ...

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Номер записи: 37
19-12-2013 дата публикации

Fine powder of biosourced aliphatic polyester and production method thereof

Номер: US20130337025A1
Автор: Cyrille Mathieu, Guillaume Le, Jean Jacques Flat, Jean Laurent Pradel, Karine Loyen
Принадлежит: Arkema France SA

The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 μm, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 μm. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 μm and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.

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Номер записи: 38
19-12-2013 дата публикации

Method for producing polymer fine particle

Номер: US20130337263A1
Автор: Hiroshi Takezaki, Itaru Asano, Yuji ECHIGO
Принадлежит: TORAY INDUSTRIES INC

A fine polymer particle production method includes producing an emulsion in a liquid prepared by dissolving and mixing a polymer A and a polymer B in organic solvents in which a solution phase composed primarily of the polymer A and a solution phase composed primarily of the polymer B are formed as separate phases, and bringing it into contact with a poor solvent for the polymer A to precipitate the polymer A. This method serves for easy synthesis of fine polymer particles with a narrow particle size distribution and the method can be effectively applied to production of highly heat-resistant polymers that have been difficult to produce with the conventional methods.

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Номер записи: 39
23-01-2014 дата публикации

RECYCLING CARBON FIBERS FROM EPOXY USING SOLVENT CRACKING

Номер: US20140023581A1
Автор: Adam Georgius Abidal
Принадлежит: EMPIRE TECHNOLOGY DEVELOPMENT LLC

Methods of extracting recycling carbon fibers are provided. Method of extracting and recycling carbon fibers with furan-2-carbaldehyde are provided and systems for performing the same are also provided. Compositions comprising resin composites, carbon fibers, and/or furan-2-carbaldehyde are also provided. 1. A method of extracting carbon fibers from a resin composite , the method comprising:contacting a resin composite comprising carbon fibers with an extraction solvent to release the carbon fibers from the resin composite, wherein the extraction solvent comprises a cracking agent which is furan-2-carbaldehyde.2. The method of wherein the extraction solvent further comprises one or more swelling agents.3. The method of wherein the swelling agent is dimethylformamide claim 1 , dimethylsulphoxide claim 1 , or propylene carbonate claim 1 , or any combination thereof.4. The method of claim 1 , wherein contacting comprises immersing the resin in the extraction solvent or exposing the resin to vapors of the extraction solvent.5. (canceled)6. The method of claim 1 , further comprising purifying the released carbon fibers to provide purified carbon fibers.7. The method of claim 1 , wherein the extraction solvent further comprises at least one additional cracking agent in addition to furan-2-carbaldehdye.8. The method of claim 1 , wherein the resin composite is an epoxy composite claim 1 , polyester composite claim 1 , polyamide composite claim 1 , or a polyimide composite.9. The method of claim 8 , wherein the epoxy composite is bisphenol-A epoxy claim 8 , Bisphenol-F epoxy claim 8 , or Novolac epoxy.10. (canceled)11. The method of claim 1 , wherein contacting step is performed at a temperature of about 50 degrees centigrade to about 90 degrees centigrade.12. The method of claim 1 , wherein the method is performed under anhydrous conditions or at a neutral pH.13. (canceled)14. The method of claim 2 , wherein the purifying step comprises filtering the released carbon fibers ...

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Номер записи: 40
30-01-2014 дата публикации

Enhancing the Physical Properties of Semi-Crystalline Polymers via Solid-State Shear Pulverization

Номер: US20140031508A1
Автор: Flores Amanda, Pierre Cynthia, Torkelson John M.
Принадлежит: Northwestern University

Solid-state shear pulverization of semi-crystalline polymers and copolymers thereof and related methods for enhanced crystallization kinetics and physical/mechanical properties. 1. (canceled)2. A method of affecting crystallization kinetics of a semi-crystalline homopolymer , said method comprising:providing a solid semi-crystalline homopolymer component, said homopolymer a single homopolymer comprising less than about 50% crystallinity; andapplying a mechanical energy to said single homopolymer through solid-state shear pulverization in the presence of cooling at least partially sufficient to maintain said homopolymer in a solid state during said pulverization, said pulverization at least partially sufficient to induce at least one of polymer scission and indigenous nucleation sites within said homopolymer.3. The method of wherein said crystallization kinetic effect is selected from at least one of increased onset crystallization temperature and reduced isothermal crystallization half-time.4. The method of wherein said single homopolymer is selected from polyesters and polyolefins.5. The method of wherein said single homopolymer is a polyester and said pulverization increases polymer scission.6. The method of wherein said single homopolymer is a polyester claim 4 , and said pulverization increases said nucleation sites.7. The method of wherein said single homopolymer is a polyolefin claim 4 , and said pulverization increases said nucleation sites.8. The method of wherein polymer scission is at least partially sufficient to affect one of increased polymer branching and decreased polymer molecular weight claim 2 , said single homopolymer not a polyolefin.9. The method of wherein said pulverized homopolymer is incorporated into an article of manufacture.10. A method of affecting crystallization kinetics of a semi-crystalline homopolymer claim 2 , said method comprising:providing a solid semi-crystalline homopolymer component, said homopolymer a single homopolymer ...

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Номер записи: 41
30-01-2014 дата публикации

Production method of polycarbonate, and polycarbonate pellet

Номер: US20140031513A1
Автор: Shingo Namiki, Yasuhiro Oda
Принадлежит: Mitsubishi Chemical Corp

The present invention relates to a method for producing a polycarbonate having excellent characteristics such as hue and mechanical properties with a stable quality and a high yield by solving a plurality of problems as those described above in producing a polycarbonate by using a specific dihydroxy compound exhibiting low thermal stability as compared with bisphenols and having a —CH 2 —O— structure. The polycarbonate obtained by polycondensation in the present invention is a polycarbonate having an appropriate viscosity despite decrease in the reaction temperature, providing for a color tone less susceptible to yellowing, and exhibiting excellent mechanical properties.

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Номер записи: 42
27-03-2014 дата публикации

Expanded ionomers and their uses

Номер: US20140088208A1
Автор: Alastair M. Hodges, Garry Chambers
Принадлежит: EXONOMER PTY LTD

Disclosed herein are expanded ionomer materials including a plurality of voids. Also disclosed are methods of making and using the expanded ionomer materials.

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Номер записи: 43
07-01-2021 дата публикации

ORGANIC-INORGANIC COMPOSITE PARTICLES, MANUFACTURING METHOD THEREFOR, AND COSMETIC

Номер: US20210000705A1
Автор: Enomoto Naoyuki, SHIMAZAKI Ikuko, WATANABE Satoshi
Принадлежит:

There is provided a spherical organic-inorganic composite particle having good biodegradability. The organic-inorganic composite particle according to the present invention includes 1 to 79% by weight of a silica component and 21 to 99% by weight of a biodegradable plastic. The organic-inorganic composite particle has an average particle diameter dof 0.5 to 25 μm, a true density of 1.03 to 2.00 g/cm, and a sphericity of 0.80 or more. A cosmetic product including the organic-inorganic composite particle having such properties has excellent texture properties. 1. A spherical organic-inorganic composite particle comprising:1.0 to 83.0% by weight of a silica component; and17.0 to 99.0% by weight of a biodegradable plastic, wherein{'sub': '1', 'an average particle diameter dis 0.5 to 25 μm,'}{'sup': '3', 'a true density is 1.03 to 2.00 g/cm, and'}a sphericity is 0.80 or more.2. The organic-inorganic composite particle according to claim 1 , whereina contact angle to water is 90° or less.3. The organic-inorganic composite particle according to claim 1 , whereina modulus of elasticity is 2 to 30 GPa.4. The organic-inorganic composite particle according to claim 1 , wherein{'sub': 3', '1', '3', '1, 'when a dispersion liquid of the organic-inorganic composite particle is dispersed by an ultrasonic disperser for 60 minutes, a ratio (d/d) between an average particle diameter dafter dispersion and an average particle diameter dbefore dispersion is in a range of 0.95 to 1.05.'}5. The organic-inorganic composite particle according to claim 1 , wherein{'sub': '2', 'the silica component contains a silica particle having an average particle diameter dranging from 5 nm to 1 μm.'}6. The organic-inorganic composite particle according to claim 1 , wherein{'sub': '4', 'the biodegradable plastic is a particle having an average particle diameter dof 1 nm to 1 μm.'}7. The organic-inorganic composite particle according to claim 1 , whereinthe biodegradable plastic is a crystalline cellulose ...

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Номер записи: 44
06-01-2022 дата публикации

Foams based on thermoplastic polyurethanes

Номер: US20220002512A1
Автор: Frank Braun, Frank Prissok
Принадлежит: BASF SE

Molded parts for automobile interiors can be made from expanded thermoplastic polyurethane beads. Processes can be used to produce the molded parts from thermoplastic polyurethane.

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Номер записи: 45
06-01-2022 дата публикации

Polymer Composition and Membranes Made Therefrom With Improved Mechanical Strength

Номер: US20220002520A1
Автор: Li Man Cheng, Ohm Christian, Tao Fangfang
Принадлежит:

A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and one or more strength enhancing additives. Polymer articles made in accordance with the present disclosure have enhanced strength properties. In one embodiment, the polymer composition is used to form a porous membrane for use as a separator in electronic devices. 1. A polymer composition for producing gel extruded articles comprising:a plasticizer;high density polyethylene particles; anda strength enhancing agent that influences the crystalline structure of the high density polyethylene particles, the strength enhancing agent comprising a metal salt of a carboxylic acid, a metal salt of a phosphate, an inorganic filler or mixtures thereof, the strength enhancing agent being present in the polymer composition in an amount sufficient for a membrane made from the polymer composition to have an increase in tensile strength in at least one direction or an increase in puncture strength of greater than about 2%.2. A polymer composition as defined in claim 1 , wherein the high density polyethylene particles are formed from high density polyethylene polymer that has a half crystallization time period during an isothermal crystallization at 123° C. of greater than 2.5 minutes.3. A polymer composition as defined in claim 1 , wherein the high density polyethylene particles are formed from a high density polyethylene polymer that has a full width at half maximum of a melting endothermic peak of greater than 6 degrees C. when measured using a differential scanning calorimeter when tested at an isothermal temperature of 40° C.4. A polymer composition as defined in claim 1 , wherein the polymer composition is sorbitol-free.5. A polymer composition as defined in claim 1 , wherein the strength enhancing agent comprises a metal salt of an aromatic phosphate.6. A polymer composition as defined in claim 1 , wherein the strength ...

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Номер записи: 46
06-01-2022 дата публикации

HIGH MELT STRENGTH STYRENE RESIN COMPOSITION AND PREPARATION METHOD THEREFOR

Номер: US20220002530A1
Автор: DUAN Hao, TANG Junjie, ZHU Congshan
Принадлежит:

Provided by the present invention is a high melt strength styrene resin composition. The composition includes the following components proportioned according to certain parts by weight: a styrene resin or a styrene alloy, a tackifier, an antioxidant and a lubricant. Compared to the existing technology, the present invention has the following beneficial effects: 1. a random copolymer used as the tackifier in the present invention is thermodynamically compatible with the styrene resin and the alloy thereof, does not experience phase separation, and has excellent mechanical properties; 2. the random copolymer used as the tackifier in the present invention has a moderate molecular weight, and is more easily plasticized than a rubber powder, a SAN powder having a high molecular weight, a heat-resistant powder, and so on, thus having better processability, uniform thickness, and low shrinkage rate, and not frequently experiencing the problem of surface defects. 1. A high melt strength styrene resin composition , comprising the following components in parts by mass:a styrene resin or styrene alloy: 100 parts;a tackifier: 5 to 30 parts;an antioxidant: 0.1 to 0.5 parts;a lubricant: 0.3 to 1.0 parts.2. The high melt strength styrene resin composition according to claim 1 , wherein the tackifier is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer.3. The high melt strength styrene resin composition according to claim 2 , wherein an average molecular weight of the tackifier is from 200 claim 2 ,000 to 400 claim 2 ,000.4. The high melt strength styrene resin composition according to claim 2 , wherein the tackifier includes 50-85% of the aromatic vinyl monomer by mass and 10-40% of the acrylonitrile monomer by mass.5. The high melt strength styrene resin composition according to claim 2 , wherein the tackifier includes a long-chain branch and an average molecular weight of the long-chain branch is from 10 claim 2 ,000 to 90 claim ...

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Номер записи: 47
05-01-2017 дата публикации

PLASTICIZERS FOR A BIODEGRADABLE SCAFFOLDING AND METHODS OF FORMING SAME

Номер: US20170000930A1
Автор: Hossainy Syed F.A., Pacetti Stephen D.
Принадлежит:

Methods of making polymeric devices, such as stents, with one or more modifications such as addition of plasticizers, to improve processing, and the devices made by these methods. 1. A method of fabricating a medical device , the method comprising:processing a polymer to form a medical device or a polymer construct, the processing occurring at a high temperature, the high temperature being above the melting temperature of the polymer, if the polymer exhibits a melting temperature above 35° C., or if the polymer does not exhibit a melting temperature above 35° C., at a temperature 100° C. higher than the glass transition temperature (Tg) of the polymer, or 75° C., if 75° C. is greater than 100° C. above the Tg of the polymer; 'wherein the plasticizer is different from any solvent used in production of the polymer;', 'adding a plasticizer to the polymer prior to, during, or both prior to and during the processing of the polymer;'}removing at least 75 weight % of the plasticizer from the processed polymer, the removal comprising heating the processed polymer to and maintaining the processed polymer at a temperature above the glass transition temperature of the polymer or above 28° C., if the glass transition temperature of the polymer is lower than 25° C., and below the melting temperature of the polymer, if the polymer has a melting temperature above 28° C., or if the polymer does not have a melting temperature above 28° C., below the temperature that is 75° C. greater than the glass transition temperature of the polymer, or below 60° C., if 60° C. is higher than 75° C. greater than the glass transition temperature of the polymer;optionally executing one or more additional operations on the medical device or on the polymer construct;wherein the polymer has a number average molecular weight as measured by GPC using polystyrene standards of at least 250,000 g/mole, but not more than 3,000,000 g/mole, the polymer has a weight average molecular weight of at least 300,000 ...

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Номер записи: 48
02-01-2020 дата публикации

MANUFACTURING METHOD OF CARBON NANOTUBE CONDUCTIVE MICROSPHERES AND CONDUCTIVE GLUE

Номер: US20200002173A1
Автор: Liang Yuheng
Принадлежит:

The present invention provides a manufacturing method of carbon nanotube conductive microspheres and conductive glue. in comparison with a manufacturing method of carbon nanotube conductive microspheres provided by the present invention provides and the conventional “two-step method” which needs to prepare the plastic or resin microspheres and then plating the conductive metal, it is not necessary to respectively prepare the plastic or resin microspheres and the conductive layer, instead, the carbon nanotube are mixed in the polymer microspheres when the styrene monomer, the crosslinking agent and the initiator have a crosslinking reaction to form the polymer microspheres with a method of spray-granulation. Only one step is needed to prepare the conductive microspheres with carbon nanotube as the conductive medium, which can simplify the process, reduce the process, save cost. With mixing the carbon nanotube inside the polymer microspheres, the thermal mismatching between the carbon nanotubes and the resin can be illuminated, to ensure the conductive properties of conductive microspheres. Furthermore, the entire preparing process has no heavy metal salts; the bio-toxicity is reduced and no environmental pollution. The present invention provides a conductive glue, which comprises the carbon nanotube conductive microspheres manufactured by the manufacturing method of carbon nanotube conductive microspheres are easy to manufacture, lower cost, lower impact of thermal mismatching, great conductive properties, and no environmental pollution. 1. A conductive glue comprising carbon nanotube conductive microspheres manufactured by a manufacturing method which comprises following steps:{'b': '1', 'step S, providing a styrene monomer, a crosslinking agent, and an initiator, proportionally mixing the styrene monomer, the crosslinking agent and the initiator to obtain a first liquid;'}{'b': '2', 'step S, providing a dispersant, a surfactant and a carbon nanotube, dissolving- ...

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Номер записи: 49
07-01-2016 дата публикации

HALOGENATED POLYMER COMPOSITE COMPOSITION, ITS MANUFACTURING PROCESS AND ITS USE

Номер: US20160002434A1
Автор: Hajji Philippe, PIRRI Rosangela
Принадлежит:

The present invention relates to a halogenated polymer composite composition that encapsulates a mineral filler. In particular the present invention relates to a polymer composite composition comprising at least one halogen containing polymer and at least one mineral filler, characterized that the halogen containing polymer and the mineral filler are both in form of a dispersion in aqueous phase during the mixing of the halogen containing polymer and the mineral filler. More particularly the present invention relates to a manufacturing method for a polymer composite composition comprising the steps of mixing of at least one halogen containing polymer with at least one mineral filler and drying the mixture of previous step wherein the halogen containing polymer and the mineral filler in step are in form of a dispersion in aqueous phase. 1. A polymer composite composition comprising:a) at least one halogen containing polymer,b) at least one mineral filler,wherein the halogen containing polymer and the mineral filler are both in form of a dispersion in aqueous phase during the mixing of the halogen containing polymer and the mineral filler.2. The polymer composite composition according to wherein the composition is a dry powder comprising less than 3 wt % humidity.3. The polymer composite composition according to wherein the halogen containing polymer is a thermoplastic polymer having a glass transition temperature as measured by differential scanning calorimetry of at least 40° C.4. The polymer composite composition according to wherein the halogen containing polymer was synthesized by suspension polymerization claim 1 , micro-suspension polymerization or emulsion polymerization in aqueous phase.5. The polymer composite composition according to wherein the halogen is chlorine or fluorine.6. The polymer composite composition according to wherein the halogen is chlorine.7. The polymer composite composition according to wherein the halogen containing polymer is a homo- ...

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Номер записи: 50
05-01-2017 дата публикации

Cationic mucic acid polymer-based delivery systems

Номер: US20170002151A1
Автор: Dorothy Pan, Mark E. Davis
Принадлежит: California Institute of Technology CalTech

The present disclosure is directed to polymer and polymer conjugate-based nanoparticle delivery systems for delivering biological agents, and methods of making and using these compositions. Certain embodiments of the present disclosure provide polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) or Formula (II) or Formula (III): wherein is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.

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Номер записи: 51
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: 52
03-01-2019 дата публикации

Gelatin particles, method for producing gelatin particles, gelatin particle-containing cell, and method for producing gelatin particle-containing cell

Номер: US20190002530A1
Автор: Akihiro Maezawa, Chie INUI, Yasuhiko Tabata
Принадлежит: KONICA MINOLTA INC

Disclosed herein are gelatin particles including gelatin, wherein when a major-axis length of dried gelatin particles is defined as a and a major-axis length of gelatin particles after swelling treatment obtained by immersing the dried gelatin particles in water at 40° C. under an atmospheric pressure for 60 minutes is defined as b, swelling degree represented by b/a is 1.0 or more but 10.0 or less, and wherein the gelatin particles after swelling treatment have a particle diameter of 1.0 nm or more but 5.0 μm or less. The gelatin particles are easily taken up by cells themselves.

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Номер записи: 53
02-01-2020 дата публикации

PROCESS FOR PREPARING POLYALKENAMERS FOR PACKAGING APPLICATIONS

Номер: US20200002467A1
Автор: Dieter Adam, Franz Michlbauer, Schwager Florian, Wursche Roland
Принадлежит:

The present invention relates to a process for producing cycloalkenamer-containing compositions, comprising the steps of: 1. A process for producing a polyalkenamer-containing composition , comprising the steps of:a) converting at least one cycloalkene by ring-opening metathetic polymerization to obtain a polyalkenamer-containing product mixture, and{'sub': '2', 'b) working up the product mixture to remove monomers and oligomers of the cycloalkenes to obtain the polyalkenamer-containing composition by extraction with CO,'}wherein the polyalkenamers are polymers of cycloalkenes which comprise at least five cycloalkane monomer units,wherein the extraction comprises at least the consecutive stages:{'sub': '2', 'b0) an extraction with liquid CO,'}{'sub': '2', 'b1) an extraction with supercritical CO,'}{'sub': '2', 'b2) an extraction with gaseous CO,'}{'sub': '2', 'b0) an extraction with liquid CO, and'}{'sub': '2', 'b3) an extraction with supercritical CO.'}2. The process according to claim 1 , wherein extraction in stage b2 is conducted at a temperature in the range from 0° C. to 99° C. and a pressure in the range from 0 bar to 73 bar claim 1 , with adjustment of pressure and temperature with respect to one another such that the COremains in gaseous form.3. The process according to claim 2 , wherein the pressure is below and the temperature is above the critical value for CO.4. The process according to claim 1 , wherein the extraction in stages b1 and b3 is conducted at a temperature in the range from 31° C. to 99° C. and a pressure in the range from 74 bar to 1000 bar.5. The process according to claim 1 , wherein the relative mass throughput is between 10 kg and 500 kg of COper polyalkenamer-containing product mixture.6. The process according to claim 1 , wherein a separation of the COextractant from monomers and oligomers is effected after step b3.7. The process according to claim 6 , wherein the COfor separation is gaseous.8. The process according to claim 6 , ...

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Номер записи: 54
04-01-2018 дата публикации

METHOD FOR PRODUCING RUBBER COMPOSITION AND RUBBER COMPOSITION

Номер: US20180002494A1
Автор: KAWAMOTO Keiichi, NIIHARA Kenichi, Noguchi Toru, Ueki Hiroyuki
Принадлежит:

A method for producing a rubber composition include a mixing step, a drying step, and a dispersion step. In the mixing step, an aqueous solution that includes at least one of oxycellulose fibers and cellulose nanofibers is mixed with rubber latex to obtain a first mixture. In the drying step, the first mixture is dried to obtain a second mixture. In the dispersion step, the second mixture is tight-milled using an open roll to obtain a rubber composition. The rubber composition does not include an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers, and has a diameter of 0.1 mm or more. 1. A rubber composition , comprising:at least one of oxycellulose fibers and cellulose nanofibers that are dispersed in the rubber composition in an untangled state,the rubber composition obtained by a method comprising:a mixing step that mixes an aqueous solution that includes the at least one of oxycellulose fibers and cellulose nanofibers with rubber latex to obtain a first mixture;a drying step that dries the first mixture to obtain a second mixture; anda dispersion step that tight-mills the second mixture using an open roll to obtain the rubber composition.2. A rubber composition comprising rubber , and at least one of oxycellulose fibers and cellulose nanofibers that are dispersed in the rubber in an untangled state , the rubber composition not including an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers , and has a diameter of 0.1 mm or more.3. The rubber composition as defined in claim 2 , comprising at least one of the oxycellulose fibers and the cellulose nanofibers in an amount of 0.1 to 60 parts by mass based on 100 parts by mass of the rubber. This is a divisional application of U.S. Patent Application Publication No. 2015/0111998, filed on Oct. 16, 2014, which in turn claims priority to Japanese Patent Application No. 2013-216804 filed on Oct. 17, 2013, and Japanese Patent Application ...

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Номер записи: 55
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: 56
02-01-2020 дата публикации

Composite Material

Номер: US20200002510A1
Автор: Mohammad Ali Sanagooy
Принадлежит: Pure New World Pty Ltd

A composite material and method of producing a composite material for use in fabrication, building and construction is disclosed. A composition as disclosed herein comprises a high proportion of particulate waste material dispersed in a matrix of thermoplastic polymer and wax. A method of producing a composite material comprises melt mixing thermoplastic polymer and wax with a particulate material, thereby dispersing the particulate material in a melt mixture of the composite material.

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Номер записи: 57
02-01-2020 дата публикации

WATER-SWELLABLE POLYMER PARTICLES

Номер: US20200002522A1
Автор: GUBBELS Erik
Принадлежит: BASF SE

The present invention is related to water-swellable polymer particles which contain a hydrophilic base polymer (B) and a hydrophobic polymer (P). It is also related to a process for producing the water-swellable polymer particles, an article containing the water-swellable polymer particles and the use of the water-swellable polymer particles. 2. The water-swellable polymer particles according to claim 1 , wherein the hydrophilic base polymer (B) comprises carboxyl groups claim 1 , sulfonic acid groups and/or salts thereof and mixtures thereof.3. The water-swellable polymer particles according to claim 1 , which have a particle size dequal to or below 250 μm.5. The water-swellable polymer particles according to claim 1 , wherein the hydrophilic base polymer (B) comprisesa) 10.0 to 70.0 mol-% of the at least one acid-containing monomer,b) 0.0 to 90.0 mol-% of the at least one (meth)acrylamido-containing monomer of formula (III), andc) 0.0 to 30.0 mol-% of the cross-linker.6. The water-swellable polymer particles according to claim 4 , wherein the at least one acid-containing monomer is selected from the group consisting of acrylic acid claim 4 , methacrylic acid claim 4 , ethacrylic acid claim 4 , α-chloroacrylic acid claim 4 , α-cyanoacrylic acid claim 4 , β-methylacrylic acid (crotonic acid) claim 4 , α-phenylacrylic acid claim 4 , β-acryloxypropionic acid claim 4 , sorbic acid claim 4 , α-chloro sorbic acid claim 4 , 2′-methylisocrotonic acid claim 4 , cinnamic acid claim 4 , p-chlorocinnamic acid claim 4 , itaconic acid claim 4 , citraconic acid claim 4 , mesacronic acid claim 4 , glutaconic acid claim 4 , aconitic acid claim 4 , maleic acid claim 4 , fumaric acid claim 4 , maleic anhydride claim 4 , 2-acrylamido-2-methylpropane sulfonic acid (AMPS) claim 4 , styrenesulfonic acid claim 4 , vinyl sulfonic acid claim 4 , allyl sulfonic acid claim 4 , 2-methylacrylamido-2-methylpropane sulfonic acid claim 4 , 2-acrylamidobutane sulfonic acid claim 4 , 3-acrylamido-3 ...

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Номер записи: 58
07-01-2021 дата публикации

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

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

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

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Номер записи: 59
07-01-2021 дата публикации

RESIN COMPOSITION FOR MASTERBATCH

Номер: US20210002435A1
Автор: ABE Shota, MATSUNAGA Kouzi, SUZUKI Terufumi, TAKESHIMA Atsushi, YOSHIDA Yuto
Принадлежит: Mitsui Chemicals, Inc.

A masterbatch of a liquid additive is provided, the resin composition for the masterbatch comprising (a) a block copolymer or a hydrogenated product thereof, the block copolymer containing a polymer block having a vinyl aromatic compound as a main component and a polymer block having a conjugated diene compound as a main component, and 40 to 100 parts by mass of a polyolefinic resin and 100 to 150 parts by mass of an ethylene.α-olefin copolymer with respect to 100 parts by mass of the (a) component, wherein the kinematic viscosity at 100° C. is 10 to 5,000 mm/s; the ethylene molar content is in the range of 30 to 85 mol %; and the molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5. 1. A resin composition for a masterbatch , comprising: (a) a block copolymer or a hydrogenated product thereof , the block copolymer containing a polymer block having a structural unit derived from a vinyl aromatic compound as a main component and a polymer block having a structural unit derived from a conjugated diene compound as a main component; and 40 to 100 parts by mass of (b) a polyolefinic resin; and 100 to 150 parts by mass of (c) an ethylene.α-olefin copolymer having characteristics (c1) to (c3) described below , with respect to 100 parts by mass of the (a) component ,{'sup': '2', '(c1) a kinematic viscosity at 100° C. is 10 to 5,000 mm/s;'}(c2) a content of a structural unit derived from ethylene is in the range of 30 to 85 mol %; and(c3) a molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5.2. The resin composition for a masterbatch according to claim 1 , wherein the (a) component is a hydrogenated product of the block copolymer.3. The resin composition for a masterbatch according to claim 1 , wherein the kinematic viscosity of the (c) ethylene.α-olefin ...

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Номер записи: 60
07-01-2021 дата публикации

RESIN PARTICLES AND METHOD FOR PRODUCING SAME

Номер: US20210002441A1
Автор: Izumi Tsuyoshi, Minaki Masashi, Ota Yasuaki
Принадлежит: SANYO CHEMICAL INDUSTRIES, LTD.

Provided are resin particles which have excellent thermal bondability, excellent low-temperature fixability, excellent heat resistant storage stability and high bonding strength, and which provide a coating film that has high gloss and excellent water resistance. The resin particles are composed of resin particles (X), each of which has a shell layer (S) containing a crystalline polyurethane resin (B) on the surface of a core layer (Q) containing a crystalline resin (A). The maximum peak temperature (Ta) of the heat of fusion of the crystalline resin (A) is 40 to 70° C. and the maximum peak temperature (Tu) of the heat of fusion of the crystalline polyurethane resin (B) is 50 to 90° C. 114-. (canceled)15. A method for producing a resin particle (X) resulting from attachment of a resin particle (E) to the surface of a resin particle (G) containing a crystalline resin (A) , the resin particle (X) being obtained by following a step of dispersing a solution (D) prepared by dissolving the crystalline resin (A) in an organic solvent (C) in a dispersion medium (F) containing the resin particle (E) containing a crystalline polyurethane resin (B) , thereby obtaining a dispersion (DF) , and then removing the organic solvent (C) and the dispersion medium (F) from the dispersion (DF) , wherein the resin particle (X) is structured to have a shell layer (S) containing the crystalline polyurethane resin (B) on the surface of a core layer (Q) containing the crystalline resin (A) , the maximum peak temperature (Ta) of the heat of fusion of the crystalline resin (A) is 40 to 70° C. , and the maximum peak temperature (Tu) of the heat of fusion of the crystalline polyurethane resin (B) is 50 to 90° C.16. The method for producing a resin particle (X) according to claim 15 , wherein the crystalline resin (A) is obtained from its precursor (A0).17. The method for producing a resin particle (X) according to claim 16 , wherein the precursor (A0) is a combination of a prepolymer (α) having a ...

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Номер записи: 61
07-01-2021 дата публикации

Foams based on thermoplastic polyurethanes

Номер: US20210002445A1
Автор: Frank Braun, Frank Prissok
Принадлежит: BASF SE

Expandable thermoplastic polyurethane comprising blowing agent, wherein the Shore hardness of the thermoplastic polyurethane is from A 44 to A 84.

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Номер записи: 62
03-01-2019 дата публикации

Ultra-High Molecular Weight Ethylene-Based Copolymer Powder, and Molded Article Using Ultra-High Molecular Weight Ethylene-Based Copolymer Powder

Номер: US20190002611A1
Автор: Yoshiaki Hamada
Принадлежит: Asahi Kasei Corp

An ultra-high molecular weight ethylene-based copolymer powder comprising: an ethylene unit and an α-olefin unit having 3 or more and 8 or less carbon atoms as structural units, wherein the ultra-high molecular weight ethylene-based copolymer powder has a viscosity-average molecular weight of 100,000 or more and 10,000,000 or less, a content of the α-olefin unit is 0.01 mol % or more and 0.10 mol % or less based on a total amount of the ethylene unit and the α-olefin unit, and in measurement with a differential scanning calorimeter under following conditions,an isothermal crystallization time is determined as a time from reaching 126° C. of Step A3 as a starting point (0 min) to giving an exothermic peak top due to crystallization and the isothermal crystallization time is 5 minutes or more. (Conditions for measurement of isothermal crystallization time) Step A1: holding at 50° C. for 1 minute and then an increase up to 180° C. at a temperature rise rate of 10° C./min, Step A2: holding at 180° C. for 30 minutes and then a decrease down to 126° C. at a temperature drop rate of 80° C./min, and Step A3: holding at 126° C.

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Номер записи: 63
07-01-2021 дата публикации

METHOD OF PREPARING GRAFT COPOLYMER, GRAFT COPOLYMER, AND THERMOPLASTIC RESIN MOLDED ARTICLE INCLUDING GRAFT COPOLYMER

Номер: US20210002472A1
Автор: AHN Bong Keun, Hwang Yong Yeon, JEON Ji Yoon, JOE Wang Rae, Kim Min Jung, Park Jang Won
Принадлежит: LG CHEM, LTD.

Provided are a method of preparing a graft copolymer, a graft copolymer, and a thermoplastic resin molded article including the graft copolymer, the method including: 1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and performing polymerization; 2) in the presence of the seed, preparing a core by adding an alkyl (meth)acrylate-based monomer and performing polymerization; and 3) in the presence of the core, preparing a shell by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and performing polymerization, wherein the method further includes adding an alkyl acrylate-based polymer. When the alkyl acrylate-based polymer is included in a graft copolymer, a graft copolymer and a thermoplastic resin molded article excellent in weather resistance, fluidity, mechanical properties, and appearance quality can be provided. 1. A method of preparing a graft copolymer , comprising:1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and performing polymerization;2) in the presence of the seed, preparing a core by adding an alkyl (meth)acrylate-based monomer and performing polymerization; and3) in the presence of the core, preparing a shell by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and performing polymerization,wherein the method further includes adding an alkyl acrylate-based polymer.2. The method of claim 1 , wherein the alkyl acrylate-based polymer has a weight-average molecular weight of 1 claim 1 ,000 to 2 claim 1 ,500 g/mol.3. The method of claim 1 , wherein the alkyl acrylate-based polymer has a viscosity of 20 to 1 claim 1 ,000 cps claim 1 , as measured at 25° C.4. The method of claim 1 , wherein the alkyl acrylate-based polymer is added in one or more steps of ...

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Номер записи: 64
03-01-2019 дата публикации

PROCESS FOR THE PREPARATION OF POLYOLEFIN PARTICLES

Номер: US20190002646A1
Автор: Castaneda Zuniga Diego Mauricio, Duchateau Jan Nicolaas Eddy, Knez Zeljko, Neuteboom Peter
Принадлежит:

The present invention relates to a process for producing polyolefin particles from a polyolefin composition, comprising the steps of: a) providing a melted composition of a polyolefin and b) providing particles from the melted composition by: b1) mixing a first flow of a supercritical fluid in the melted composition in a pressure vessel to obtain a solution saturated with the supercritical fluid and b2) passing the solution from the pressure vessel through a throttling device to a spraying tower to expand the solution to obtain the polyolefin particles in the spraying tower, wherein a second flow of a supercritical fluid is injected in the throttling device, wherein the supercritical fluid is a supercritical fluid of a substance selected from the group consisting of CO, NH3, HO, NO, CH, ethane, propane, propylene, n-butane, i-butane, n-pentane, benzene, methanol, ethanol, isopropanol, isobutanol, chlorotrifluoromethane, monofluoromethane, 1,1,1,2-Tetrafluoroethane, toluene, pyridine, cyclohexane, cyclohexanol, o-xylene, dimethyl ether and SFand combinations thereof. 1. A process for producing polyolefin particles from a polyolefin composition , comprising the steps of:a) providing a melted composition of a polyolefin and b1) mixing a first flow of a supercritical fluid in the melted composition in a pressure vessel to obtain a solution saturated with the supercritical fluid and', 'b2) passing the solution from the pressure vessel through a throttling device to a spraying tower to expand the solution to obtain the polyolefin particles in the spraying tower,, 'b) providing particles from the melted composition bywherein a second flow of a supercritical fluid is injected in the throttling device,{'sub': 2', '3', '2', '2', '4', '6, 'wherein the supercritical fluid is a supercritical fluid of a substance selected from the group consisting of CO, NH, HO, NO, CH, ethane, propane, propylene, n-butane, i-butane, n-pentane, benzene, methanol, ethanol, isopropanol, isobutanol, ...

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Номер записи: 65
03-01-2019 дата публикации

Composite particulate build materials

Номер: US20190002714A1
Автор: Alexey S. Kabalnov, Ali Emamjomeh, Erica Montel Fung
Принадлежит: Hewlett Packard Development Co LP

The present disclosure is drawn to a composite particulate build material, including 92 wt % to 99.5 wt % polymeric particles having an average size from 10 μm to 150 μm and an average aspect ratio of less than 2:1. The composite particulate build material further includes from 0.5 wt % to 8 wt % reinforcing particles having an average size of 0.1 μm to 20 μm and an average aspect ratio of 3:1 to 100:1 applied to a surface of the polymeric particles.

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Номер записи: 66
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: 67
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: 68
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: 69
12-01-2017 дата публикации

Remediation Of Agglomerated Flow Improvers

Номер: US20170009027A1
Автор: Harris, Johnston Ray L., JR. WILLIAM F.
Принадлежит:

The present embodiment can teach a method of feeding to a materials processor a mixture containing an agglomerated drag reducer. The mixture is then homogenized to produce a remediated drag reducer. The maximum particle size diameter of the agglomerated drag reducing polymer is at least 5% larger than the maximum particle diameter of the remediated drag reducer. 1. A method comprising:feeding to a materials processor an agglomerated drag reducer; andhomogenizing the mixture to produce a remediated drag;wherein the maximum particle size diameter of the agglomerated drag reducing polymer is at least 5% larger than the maximum particle size diameter of the produced remediated drag reducer; and wherein the tip speed of the materials processor is from about 30 ft/sec to 60 ft/sec.2. The method of claim 1 , wherein the agglomerated drag reducing polymer is incapable of flowing through a 10 mm pore filter without leaving any substantial solids residue.3. The method of claim 1 , wherein the agglomerated drag reducing polymer is incapable of flowing through a 3 mm pore filter without leaving any solids residue.4. The method of claim 1 , wherein the agglomerated drag reducing polymer is incapable of being injected through an injection pump using ¼ to 1 inch diameter check valves without clogging the injection pump.5. The method of claim 1 , wherein the agglomerated drag reducing polymer has been stored at a temperature above 90° F. for a certain period of time.6. The method of claim 1 , wherein the minimum shear rate of the materials processor is 2 claim 1 ,000 sec.8. The method of claim 7 , wherein the agglomerated drag reducing polymer is incapable of flowing through a 10 mm pore filter without leaving any substantial solids residue.9. The method of claim 7 , wherein the agglomerated drag reducing polymer is incapable of flowing through a 3 mm pore filter without leaving any substantial solids residue.10. The method of claim 7 , wherein the agglomerated drag reducing ...

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Номер записи: 70
12-01-2017 дата публикации

METHOD FOR PRODUCING READY-TO-USE SOFT PVC FILMS OR PROFILES

Номер: US20170009028A1
Автор: FREI Fabian, WOLF Ulrich
Принадлежит: SIKA TECHNOLOGY AG

The extrusion of polymer compositions based on polyvinyl chloride (PVC) and in particular to a method in which polymer compositions are produced that have an elongation at break of at least 200%, a tensile strength of at least 10 N/mm2 with a specific energy input SEI of 0.03 to 0.20 kWh/kg and in particular 0.04 to 0.16 kWh/kg. The method is expediently carried out such that a plasticiser is added in a plurality of portions to the non-composed polyvinyl chloride and mixed into said polyvinyl chloride. The method thereby offers a fast and simple possibility of producing products from finished soft PVC, the production of said products requiring only a single processing device in the form of an extruder. 1. A method for extruding a homogeneous polymer composition , which has a degree of gelation of 60% to 100% , an elongation at break of at least 200% , and a tensile strength of at least 10 N/mm , from an uncompounded polyvinyl chloride , wherein the quantity of energy introduced into the polymer composition within the method , as indicated by the specific energy input (SEI) , is 0.03 to 0.20 kWh/kg.2. The method as claimed in claim 1 , the polymer composition consisting substantially of(A) 30 to 80 wt % of polyvinyl chloride,(B) 0.5-5 wt % of a stabilizing additive,(C) 0-40 wt % of a solid constituent, and(D) 5-40 wt % of a plasticizer, liquid at room temperature, for the polyvinyl chloride,where the figures in wt % are based in each case on the total weight of the polymer composition, andwhere the method comprises the steps of(I) feeding polyvinyl chloride (A) in uncompounded form into an extrusion apparatus having at least one rotor, which has at least three kneading and/or mixing zones and is capable of both transporting and mixing the mixture,(II) feeding the polyvinyl chloride (A) and stabilizing additive (B) into the extrusion apparatus through a first inlet, which is disposed in the vicinity of the drive unit and adjacent to a first conveying segment section ...

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Номер записи: 71
10-01-2019 дата публикации

Polymer composite particles containing much of organic sunscreen agents and the method for preparing thereof

Номер: US20190008743A1
Автор: Deuk-Yong SEONG, Jang-Ho Park, Sung-Ho Lee, Yang-Bae YOON
Принадлежит: Sunjin Beauty Science Co ltd

The present invention relates to polymer composite particles containing much organic sunscreen agents and a method of preparing the polymer composite particles, and more particularly to polymer composite particles containing much organic sunscreen agents that are spherical polymer composite particles in which solid organic Sunscreen agents are embedded between polymer matrixes by 40 to 50 wt %, include a significantly larger amount of the organic sunscreen agents than polymer composite particles of related art, have excellent light stability despite presence of a large amount of organic sunscreen agents, are superior not only in UV-A region but also UV-B region, are excellent in skin stability and feeling of use when applied to cosmetics, and can significantly improve sunscreen function, and a method of preparing the polymer composite particles.

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Номер записи: 72
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: 73
14-01-2016 дата публикации

COMPOSITIONS INCORPORATING DIELECTRIC ADDITIVES FOR PARTICLE FORMATION, AND METHODS OF PARTICLE FORMATION USING SAME

Номер: US20160009873A1
Автор: Angammana Chitral, Gerakopoulos Ryan, Koslow Evan, Lazareva Tatiana, Tindale Jocelyn
Принадлежит:

A method of forming particles that includes performing a strong force attenuation of a mixture to form pre-particles. The mixture including a base compound and a dielectric additive having an elevated dielectric constant dispersed therein. The pre-particles are then dielectrically spun in an electrostatic field to further attenuate the pre-particles and form the particles. 19.-. (canceled)10. A composition for particle formation , comprising:a base compound; anda dielectric additive selected to encourage dielectrophoretic attenuation of the base compound during dielectric spinning.11. The composition of claim 10 , wherein the dielectric additive includes a mild dielectric additive having a dielectric constant above 5.12. The composition of claim 10 , wherein the dielectric additive includes a moderate dielectric additive having a dielectric constant above 1013. The composition of claim 10 , wherein the dielectric additive includes a strong dielectric additive having a dielectric constant above 100.14. The composition of claim 10 , wherein the dielectric additive includes polyglycerol-3.15. The composition of claim 10 , wherein the dielectric additive includes titanium dioxide (TiO).16. The composition of claim 10 , wherein the dielectric additive includes barium titanate.17. The composition of claim 10 , wherein the dielectric additive includes a ceramic dielectric.18. The composition of claim 10 , wherein the dielectric additive includes high-relative permittivity nanoparticles dispersed within the base compound.19. The composition of claim 10 , further comprising a dispersant selected to aid in dispersing the dielectric additive within the base compound.20. The composition of claim 19 , wherein the dispersant includes sodium stearate.21. The composition of claim 19 , wherein the dispersant includes sodium oleate.22. The composition of claim 19 , wherein the dispersant includes stearic acid.23. The composition of claim 10 , further comprising a viscosity-reduction ...

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Номер записи: 74
11-01-2018 дата публикации

SYNTHESIS OF POLYMER POLYOLS IN UNSATURATED POLYOLS, POLYMER POLYOLS AND THEIR USE

Номер: US20180009956A1
Автор: Emge Andreas, Koenig Christian, OTERO MARTINEZ Iran
Принадлежит: BASF SE

The present invention relates to the synthesis of polymer polyols in unsaturated polyols as liquid phase, polymer polyols and their use. 1. A process for making a polymer polyol , comprising mixing at least one melted thermoplastic styrene-acrylonitrile-copolymer (TP) with at least one polyol (P) in the presence of at least one stabilizer (S) , comprising from 10 to 70% by weight , based on the sum of all components , of at least one polyol P2 , and at least one polyol CSP which comprises the reaction product of at least one macromer M , styrene and acrylonitrile in polyol P2 , optionally with an initiator and/or a chain transfer agent , wherein the content of macromer M of the stabilizer (S) is between 30-70 wt % , based on the sum of all components , and/or wherein the polyol CSP is optionally comb-structured , wherein the polyol (P) comprises at least one unsaturated carbon-carbon bond per molecule , and wherein the macromere M is defined as a molecule which comprises one or more polymerizable double bonds able to copolymerize with vinylic monomers and which comprises one or more hydroxyl-terminated polyether chains.2. The process according to claim 1 , wherein the process is a continuous process.3. The process according to claim 1 , wherein the process is a semi-batch process.4. The process according to claim 1 , wherein the polyol (P) comprises at least one polybutadiene diol.5. The process according to claim 1 , wherein the polyol (P) comprises at least one natural oil with an at least one OH functional group per molecule.6. The process according to claim 1 , wherein the polyol (P) consists of castor oil.7. The process according to claim 1 , wherein the polyol (P) on average has at least two double bonds per molecule.8. The process according to claim 1 , wherein the polyol (P) consists of a polybutadiene polyol.9. The process according to claim 1 , wherein the polyol (P) consists of a polybutadiene polyol and wherein the polyol (P) on average has at least 2 ...

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Номер записи: 75
11-01-2018 дата публикации

Compounded copolyamide powders

Номер: US20180009982A1
Автор: Dirk Haensch, Jonathan Martin STEELE, Laurent Herschke, Remi Didier Robert GARDAN, Said IBNO SALAH
Принадлежит: A Schulman GmbH

Compounded copolyamide powders, processes for preparation of compounded copolyamide powders, articles made therefrom and uses.

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Номер записи: 76
11-01-2018 дата публикации

METHOD OF EXTRACTING UNDERGROUND RESOURCES BY USING HYDROLYSABLE PARTICLES

Номер: US20180010037A1
Автор: Katayama Tsutaki, Yoshikawa Seishi
Принадлежит: TOYO SEIKAN GROUP HOLDINGS, LTD.

A method of extracting underground resources including a step of mixing hydrolysable particles and a proppant to an aqueous dispersion fluid, and introducing the fluid with pressure into an ore chute formed under the ground, wherein as the hydrolysable particles, use is made of spherical particles that include a hydrolysable resin of a weight average molecular weight (Mw) of not less than 5,000 and, specifically, not less than 10,000, and that have an average particle size (D) in a range of 300 to 1,000 μm, and a circularity of a short diameter/long diameter ratio of not less than 0.8. The spherical particles have a hyrolysable capability, a circularity and a particle size adapted to the hydraulic fracturing. 1. A method of extracting underground resources including a step of mixing hydrolysable particles and a proppant to an aqueous dispersion fluid , and introducing the fluid with pressure into an ore chute formed under the ground , wherein as the hydrolysable particles , use is made of spherical particles that include a hydrolysable resin of a weight average molecular weight (Mw) of not less than 5 ,000 , and that have an average particle size (D) in a range of 300 to 1 ,000 μm , and a circularity of a short diameter/long diameter ratio of not less than 0.8.2. The method of extraction according to claim 1 , wherein the hydrolysable resin is a polylactic acid having a weight average molecular weight (Mw) of not less than 10 claim 1 ,000.3. The method of extraction according to claim 1 , wherein the hydrolysable resin is a polyoxalate.4. The method of extraction according to claim 3 , wherein the polyoxalate has a branched copolymer unit that stems from a trifunctional or more highly functional alcohol or acid.5. The method of extraction according to claim 1 , wherein the hydrolysable resin has a dispersion structure in which fine polymer particles are distributed in a hydrolysable matrix resin claim 1 , the fine polymer particles being more easily hydrolysable ...

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Номер записи: 77
08-01-2015 дата публикации

RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME

Номер: US20150011677A1
Автор: KIMURA Takayoshi
Принадлежит: TOYO TIRE & RUBBER CO., LTD.

A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture, a dry rubber made mainly of a polybutadiene rubber, and an oil, wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10 C or lower, and an aniline point of 90 C or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components. 115.-. (canceled)16. A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture , a dry rubber made mainly of a polybutadiene rubber , and an oil ,wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10° C. or lower, and an aniline point of 90° C. or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components.17. The rubber composition according to claim 16 , wherein the natural rubber wet master batch is a master batch produced through the following steps:step (I) in which when a carbon black is dispersed into a dispersing solvent to prepare the carbon-black-containing slurry solution, at least one portion of the natural rubber latex is added thereto, thereby producing a slurry solution containing the carbon black to which natural ...

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Номер записи: 78
14-01-2021 дата публикации

Super Absorbent Polymer and Preparation Method for the Same

Номер: US20210009725A1
Автор: Hur Young Jae, Kim Jun Kyu, KIM Ki Hyun, Nam Dae Woo
Принадлежит: LG CHEM, LTD.

The present invention relates to super absorbent polymer and a method for preparing the same. According to the super absorbent polymer and preparation method for the same of the present invention, super absorbent polymer having improved rewet property and vortex time can be provided. 1. A super absorbent polymer comprising:base resin particles in which acrylic acid-based monomers having acid groups, of which at least a part is neutralized, and an internal cross-linking agent are cross-linked in the form of a cross-linked polymer;a surface modification layer formed on a surface of the base resin particles, in which the cross-linked polymer is additionally cross-linked by an epoxy-based surface cross-linking agent; andan inorganic filler,wherein the internal cross-linking agent comprises a poly(meth)acrylate-based first internal cross-linking agent and a polyol polyglycidyl ether-based second internal cross-linking agent at a weight ratio of the first internal cross-linking agent to the second internal cross-linking agent of 1:40 to 1:1200, andthe surface modification layer includes a hydrophobic material having a melting temperature (Tm) of 40 to 80° C., and a water solubility at 25° C. of 70 mg/L or less.2. The super absorbent polymer according to claim 1 , wherein the first internal cross-linking agent includes one or more of trimethylolpropane tri(meth)acrylate claim 1 , ethyleneglycol di(meth)acrylate claim 1 , polyethyleneglycol di(meth)acrylate claim 1 , propyleneglycol di(meth)acrylate claim 1 , polypropyleneglycol di(meth)acrylate claim 1 , butanediol di(meth)acrylate claim 1 , diethyleneglycol di(meth)acrylate claim 1 , hexanediol di(meth)acrylate claim 1 , triethyleneglycol di(meth)acrylate claim 1 , tripropyleneglycol di(meth)acrylate claim 1 , tetraethyleneglycol di(meth)acrylate claim 1 , dipentaerythritol pentaacrylate claim 1 , glycerin tri(meth)acrylate claim 1 , or pentaerythritol tetraacrylate.3. The super absorbent polymer according to claim 1 , ...

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Номер записи: 79
14-01-2021 дата публикации

METHOD FOR PRODUCING MODIFIED POLYTETRAFLUOROETHYLENE, METHOD FOR PRODUCING MODIFIED POLYTETRAFLUOROETHYLENE POWDER, AND METHOD FOR PRODUCING STRETCHED POROUS MATERIAL

Номер: US20210009732A1
Автор: EBATA Shiro, HIGUCHI Shinya, Kose Takehiro
Принадлежит: AGC Inc.

To provide a method for producing modified polytetrafluoroethylene, in which formation of a fluorinated oligomer as a by-product is little. A method for producing modified polytetrafluoroethylene which contains substantially no Cfluorinated oligomer containing hydrophilic functional groups and which contains substantially no fluorinated surfactant, the method comprising conducting copolymerization of tetrafluoroethylene and a monomer having a polar group, in a liquid dispersion 1 comprising a polymer containing units derived from a non-fluorinated monomer and an aqueous medium, or in a solution 2 obtainable by mixing at least one member selected from the group consisting of a polyalkylene oxide compound and a hydrocarbon-containing surfactant, with an oxidizing agent, in an aqueous medium, under such a condition that the amount of the monomer having a polar group to be used, is at most 0.150 mass % to the whole amount of tetrafluoroethylene, to obtain modified polytetrafluoroethylene. 1. A method for producing modified polytetrafluoroethylene , which comprises conducting copolymerization of tetrafluoroethylene and a monomer having a polar group ,in a dispersion 1 comprising a polymer containing units based on a non-fluorinated monomer, and an aqueous medium,under such a condition that the amount of the monomer having a polar group to be used, is at most 0.150 mass % to the whole amount of tetrafluoroethylene to be supplied to the polymerization system.2. The method for producing modified polytetrafluoroethylene according to claim 1 , wherein the polar group is a group represented by the formula (A) or a group represented by the formula (B) claim 1 ,{'br': None, 'sub': '3', '—SOM\u2003\u2003Formula (A)'}{'br': None, '—COOM\u2003\u2003Formula (B)'}{'sub': '4', 'in the formula (A) and the formula (B), M represents a hydrogen atom, NHor an alkali metal atom.'}3. The method for producing modified polytetrafluoroethylene according to claim 2 , wherein the monomer having a ...

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Номер записи: 80
14-01-2021 дата публикации

SOLVENTLESS PARTICLE COATING VIA ACOUSTIC MIXING

Номер: US20210009767A1
Автор: JR. Richard John, LAVALLEE Christopher, McCarthy
Принадлежит:

A method for coating solid granules containing a carbohydrate, gum Arabic, or protein by combining the solid granules with at least one solid coating material, and applying acoustic energy to said combination is provided as are coated solid granules prepared by the method. 1. A method for coating solid granules containing a carbohydrate , gum Arabic , or protein comprising(a) combining solid granules containing a carbohydrate, gum Arabic, or protein with at least one solid coating material, and(b) inducing vibrations in the combination of the solid carbohydrate granules and the solid coating material via acoustic energy thereby coating the solid granules.2. The method of claim 1 , wherein the carbohydrate of the solid granules comprises starch claim 1 , maltodextrin claim 1 , sugar claim 1 , polyol claim 1 , cellulose claim 1 , cellulose derivatives claim 1 , or a combination thereof.3. The method of claim 1 , wherein the at least one solid coating material comprises gum Arabic claim 1 , cellulose claim 1 , a cellulose derivative claim 1 , a wax claim 1 , a fat claim 1 , polyol claim 1 , sugar claim 1 , protein or a combination thereof.4. The method of claim 1 , further comprising adding a plasticizer to the combination of the solid granules and the solid coating material.5. The method of claim 4 , wherein the plasticizer comprises an organic citrate salt claim 4 , triglyceride claim 4 , glycerol derivative claim 4 , or a combination thereof.6. The method of claim 1 , further comprising adding impaction media to the combination of solid granules and the solid coating material.7. The method of claim 6 , wherein the impaction media comprise glass beads claim 6 , metal balls claim 6 , or a combination thereof.8. The method of claim 1 , wherein the solid granules or the solid coating material comprise an encapsulated flavor or encapsulated fragrance.9. Coated solid granules produced by the method of claim1.10. The coated solid granules of claim 9 , wherein the ...

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Номер записи: 81
14-01-2021 дата публикации

Manufacturing method for low molecular weight polytetrafluoroethylene, and powder

Номер: US20210009769A1
Автор: Hirotoshi Yoshida, Masayuki Tsuji
Принадлежит: Daikin Industries Ltd

Provided is a method for producing low molecular weight polytetrafluoroethylene less likely to generate C6-C14 perfluorocarboxylic acids and salts thereof. The method for producing low molecular weight polytetrafluoroethylene includes: (1) feeding into an airtight container: high molecular weight polytetrafluoroethylene: and a gas mixture containing an inert gas and oxygen and having an oxygen content relative to the total of the inert gas and oxygen of 1 to 10 vol %; and (2) irradiating the high molecular weight polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a melt viscosity at 380° C. of 1.0×102 to 7.0×105 Pa·s.

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Номер записи: 82
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: 83
10-01-2019 дата публикации

POLY(ALKYLENE CARBONATE) RESIN COMPOSITION, PREPARATION METHOD THEREOF, MOLDED ARTICLE FORMED THEREFROM, AND PREPARATION METHOD OF MOLDED ARTICLE USING THE SAME (AS AMENDED)

Номер: US20190010282A1
Автор: Cho Hyun Ju, KIM Hyun Min, KIM Sung-Kyoung, PARK Seung Young
Принадлежит:

Provided are a poly(alkylene carbonate) resin composition having improved mechanical properties, heat resistance, and processability, a preparation method of the poly(alkylene carbonate) resin composition, a molded article formed by using the composition, and a preparation method of the molded article, in which the poly(alkylene carbonate) resin composition includes poly(alkylene carbonate) having a weight average molecular weight of 100,000 g/mol to 500,000 g/mol and polyamide having a melting point of 180° C. to 194° C. at a weight ratio of 95:5 to 75:25. 1. A poly(alkylene carbonate) resin composition comprising poly(alkylene carbonate) having a weight average molecular weight of 100 ,000 g/mol to 500 ,000 g/mol and polyamide having a melting point of 180° C. to 194° C. at a weight ratio of 95:5 to 75:25.2. The poly(alkylene carbonate) resin composition of claim 1 , wherein the polyamide is in a pellet form having a diameter of 1 mm to 5 mm claim 1 , and is blended with the poly(alkylene carbonate).3. The poly(alkylene carbonate) resin composition of claim 1 , wherein the polyamide includes one or more pellets selected from the group consisting of nylon-6 pellets claim 1 , nylon-66 pellets claim 1 , nylon-11 pellets claim 1 , nylon-12 pellets claim 1 , nylon-6/66 pellets claim 1 , nylon-6/6T pellets claim 1 , nylon-6I/6T pellets claim 1 , nylon-66/6T pellets claim 1 , and nylon-61 pellets.4. The poly(alkylene carbonate) resin composition of claim 1 , wherein the poly(alkylene carbonate) and the polyamide are dry-blended.5. The poly(alkylene carbonate) resin composition of claim 1 , wherein the poly(alkylene carbonate) includes one or more aliphatic polycarbonates selected from the group consisting of polyethylene carbonate claim 1 , polypropylene carbonate claim 1 , polybutylene carbonate claim 1 , polytrimethylene carbonate claim 1 , and poly(cyclohexene carbonate).6. A method of preparing a poly(alkylene carbonate) resin composition claim 1 , the method ...

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Номер записи: 84
10-01-2019 дата публикации

ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION PELLET AND PROCESS FOR PRODUCING SAID ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION PELLET

Номер: US20190010296A1
Автор: Hatanaka Makoto
Принадлежит: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.

The present invention provides ethylene-vinyl alcohol copolymer composition pellet reduced in coloration. The ethylene-vinyl alcohol copolymer composition pellet of the invention include an ethylene-vinyl alcohol copolymer (A), a polyamide resin (B), and an alkaline earth metal salt (C) and have a yellowness index (YI) value of 10 or less when examined with a spectral color-difference meter by a transmission method. 1. An ethylene-vinyl alcohol copolymer composition pellet comprising:an ethylene-vinyl alcohol copolymer (A),a polyamide resin (B), andan alkaline earth metal salt (C),wherein a yellowness index (YI) value obtained by measuring the pellet with a spectral color-difference meter by a transmission method is 10 or less.2. The ethylene-ethylene-vinyl alcohol copolymer composition pellet according to claim 1 ,wherein a mass ratio ((A)/(B)) of the ethylene-vinyl alcohol copolymer (A) and the polyamide resin (B) is from 60/40 to 98/2.3. The ethylene-vinyl alcohol copolymer composition pellet according to claim 1 ,wherein a content of the alkaline earth metal salt (C), in terms of metal amount, is 10-200 ppm based on a sum of the ethylene-vinyl alcohol copolymer (A) and the polyamide resin (B).4. The ethylene-vinyl alcohol copolymer composition pellet according to claim 1 , which further contain an antioxidant.5. An ethylene-vinyl alcohol copolymer composition molding claim 1 , which is obtained by melt-molding the ethylene-vinyl alcohol copolymer composition pellet according to .6. A process for producing ethylene-vinyl alcohol copolymer composition pellet having a yellowness index (YI) value claim 1 , as measured with a spectral color-difference meter by a transmission method claim 1 , of 10 or less claim 1 , comprising:melt-kneading a resin composition comprising an ethylene-vinyl alcohol copolymer (A), a polyamide resin (B), and an alkaline earth metal salt (C) using a melt-kneading device,wherein a temperature of an ethylene-vinyl alcohol copolymer ...

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Номер записи: 85
10-01-2019 дата публикации

Sound-insulation shock-absorbing ABS resin composition for automotive interiors and application thereof

Номер: US20190010323A1
Автор: Ji Deyun, LUO Minghua, XIN Minqi, Zhou Ting
Принадлежит:

The present invention relates to a sound-insulation shock-absorbing heat-resistant ABS resin composition for automotive interiors and a preparing method thereof. The resin composition comprises: 100 parts of ABS resin, 5-30 parts of heat-resisting agent, 5-20 parts of sound-insulation shock-absorbing polymer, 1-5 parts of hollow glass microspheres, 0.3-1.0 part of light stabilizer and 0.5-2.0 parts of auxiliary. The preparing method comprises the following steps: mixing the raw materials in a high-speed mixer, sending the mixture into a twin screw extruder via a metering device, melting and compounding the material under the delivering, shearing and mixing by screws; and performing extrusion, drawing, cooling and granulating. The method is simple and feasible; and the prepared resin composition has excellent sound-insulation and shock-absorbing effects and favorable mechanical properties, and is able to be applied in the field of automotive interiors. 2. The sound-insulation shock-absorbing ABS resin composition for automotive interiors claim 1 , as recited in claim 1 , wherein butadiene in the ABS resin is 10 wt. %-17 wt. %; the weight average molecular weight is 80 claim 1 ,000-150 claim 1 ,000; and the number average particle size of butadiene rubber is 0.3-1.0 μm.3. The sound-insulation shock-absorbing ABS resin composition for automotive interiors claim 1 , as recited in claim 1 , wherein the heat-resisting agent is selected from an N-phenylmaleimide-styrene-maleic anhydride copolymers or an α-methylstyrene-acrylonitrile copolymers.4. The sound-insulation shock-absorbing ABS resin composition for automotive interiors claim 1 , as recited in claim 1 , wherein the sound-insulation shock-absorbing polymer is a crosslinked polymer comprising a polystyrene hard segment and a ethylene-branched polydiene soft segment; the styrene in the sound-insulation shock-absorbing polymer is 12-20 wt. %; the specific gravity is 0.89-0.94 g/cm3.5. The sound-insulation shock- ...

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Номер записи: 86
10-01-2019 дата публикации

Composition, method of making composition, and article

Номер: US20190010354A1
Автор: Jiafeng LIU, Mingna Xiong, Naiyong Jing, Shupeng WU, Zhigang Yu
Принадлежит: 3M Innovative Properties Co

A composition having pH of 6 or less comprises composite particles dispersed in an aqueous continuous liquid phase. Each composite particle comprises a non-cationic polymer core surrounded by a silica shell consisting essentially of silica particles having a mean particle diameter of 3.2 nanometers or less. The weight ratio of the total amount of the silica in the composition to the total polymer is in a range of 0.2 to 2.2. The composition is useful for making various articles. A method for making the composition is also disclosed.

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Номер записи: 87
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: 88
09-01-2020 дата публикации

Method and Composition for Preparing Polyamide Powders

Номер: US20200010626A1
Автор: Chen Feng-Lin, Chen Yung-Chih, Huang Yu-Pao, Ke Yao-Tang, Su Yi-Chung, Yang Chia-Hung, Yeh Hsing-Fu
Принадлежит: TAIWAN GREEN POINT ENTERPRISES CO., LTD.

A method of preparing polyamide (PA) powders includes the steps of: heating a composition including PA granules, a nucleating agent and an organic solvent under normal pressure to Tnot lower than melting point (T) of PA granules and maintaining at Tto dissolve PA granules; cooling the heated composition to Tto nucleate the dissolved PA granules and maintaining at Tto crystallize, where 15° C.≤T−T≤33° C.; cooling the crystallization product to precipitate PA; and washing the precipitated product to remove the organic solvent. The weight ratio of PA granules to the nucleating agent is 100:1, and the weight ratio of PA granules to the organic solvent ranges from 0.11 to saturation solubility of PA granules in the organic solvent. 1. A method of preparing polyamide powders , comprising the steps of:{'sub': 1', 'm, '(a) heating a composition including polyamide granules, a nucleating agent and an organic solvent under normal pressure to a first temperature (T) equal to or higher than the melting point (T) of the polyamide granules, followed by maintaining at the first temperature for a first time period to dissolve the polyamide granules in the organic solvent;'}{'sub': 2', '2', 'm', '2, '(b) cooling the heated composition to a second temperature (T) to nucleate the dissolved polyamide granules, followed by maintaining at the second temperature (T) to crystallize, so as to form a crystallization product, in which 15° C.≤T−T≤33° C.;'}(c) cooling the crystallization product to precipitate polyamide, so as to form a precipitated product; and(d) washing the precipitated product to remove the organic solvent,wherein the weight ratio of the polyamide granules to the organic solvent ranges from 0.11 to saturation solubility of the polyamide granules in the organic solvent, and the weight ratio of the polyamide granules to the nucleating agent is 100:1.2. The method as claimed in claim 1 , wherein the organic solvent has a boiling point ranging from 190° C. to 209° C.3. The ...

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Номер записи: 89
09-01-2020 дата публикации

PROCESS FOR PRODUCING A POLYAMIDE POWDER BY PRECIPITATION

Номер: US20200010627A1
Автор: Gabriel Claus, GRAMLICH SIMON, HERLE Natalie, Meier Thomas
Принадлежит:

The present invention relates to a process for producing a polyamide powder (PP) comprising at least one semicrystalline polyamide (P) and at least one additive (A). The semicrystalline polyamide (P) and the at least one additive (A) are initially compounded with one another in an extruder and subsequently introduced into a solvent (SV) in which the at least one semicrystalline polyamide (P) then crystallizes to obtain the polyamide powder (PP). The present invention further relates to the thus obtainable polyamide powder (PP) and to the use of the polyamide powder (PP) as sintering powder (SP) and also to a process for producing a shaped body by selective laser sintering of a polyamide powder (PP). 114.-. (canceled)15. A process for producing a polyamide powder (PP) comprising at least one semicrystalline polyamide (P) and at least one additive (A) selected from the group consisting of inorganic pigments and stabilizers , comprising the steps ofa) compounding the at least one semicrystalline polyamide (P) and the at least one additive (A) in an extruder to obtain a compounded mixture (cM) comprising the at least one semicrystalline polyamide (P) and the at least one additive (A),b) extruding the compounded mixture (cM) obtained in step a) from the extruder to obtain an extruded mixture (eM) comprising the at least one semicrystalline polyamide (P) and the at least one additive (A),c) introducing the extruded mixture (eM) obtained in step b) into a solvent (SV) to obtain a first suspension (Si) comprising the extruded mixture (eM) and the solvent (SV), wherein the solvent (SV) comprises lactam and water,d) heating the first suspension (S1) obtained in step c) to a first temperature (T1) wherein the at least one semicrystalline polyamide (P) present in the extruded mixture (eM) dissolves in the solvent (SV) to obtain a mixture (G) comprising the at least one semicrystalline polyamide (P) dissolved in the solvent (SV) and the at least one additive (A),e) cooling the ...

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Номер записи: 90
09-01-2020 дата публикации

Polymer Compositions With PBSA Plasticizer

Номер: US20200010628A1
Автор: Arnold Rachelle, Johnson Adam, Van Trump Phillip
Принадлежит: Danimer Bioplastics, Inc.

A polymeric composition is disclosed which includes from about 40 to about 99 weight percent of a first polymer and from about 1 to about 60 weight percent of polybutylene(succinate-co-adipate) (“PBSA”). Preferably the first polymer is selected from the group consisting of polyvinyl chloride, polylactic acid, polyhydroxy alkanoates, and mixtures thereof. A method for making the composition is also disclosed. 1. A polymeric composition comprising:from about 40 to about 99 weight percent of a first polymer which comprises polyhydroxy alkanoates; andfrom about 1 to about 60 weight percent of polybutylene(succinate-co-adipate) (“PBSA”).2. (canceled)3. The polymeric composition of claim 1 , wherein the PBSA has a weight average molecular weight from about 50 claim 1 ,000 to about 200 claim 1 ,000.4. The polymeric composition of claim 1 , wherein the PBSA has a weight average molecular weight from about 80 claim 1 ,000 to about 120 claim 1 ,000.5. The polymeric composition of claim 1 , wherein the PBSA has a viscosity from about 15 claim 1 ,000 to about 40 claim 1 ,000 centipoise at a temperature of about 215° C.6. The polymeric composition of claim 1 , wherein the PBSA has a melting point from about 20° C. to about 75° C.7. The polymeric composition of claim 1 , wherein the PBSA has a melting point from about 25° C. to about 40° C.8. The polymeric composition of claim 1 , wherein the PBSA comprises:from about 40 to about 60 mole percent moieties derived from 1,4-butanediol,from about 10 to about 50 mole percent moieties derived from succinic acid, andfrom about 10 to about 50 mole percent moieties derived from adipic acid.9. The polymeric composition of claim 1 , wherein the composition comprises from about 1 to about 10 weight percent of the PBSA.10. The polymeric composition of claim 1 , wherein the composition comprises from about 50 to about 60 weight percent of the PBSA.11. The polymeric composition of claim 1 , wherein the composition further comprises at least one ...

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Номер записи: 91
10-01-2019 дата публикации

GEL ELECTROLYTE AND METHOD FOR PREPARING SAME

Номер: US20190013547A1
Автор: Watanabe Keisuke
Принадлежит:

Provided is a gel electrolyte that has a lower concentration of matrix polymer and that can maintain a gel state. The gel electrolyte contains a non-aqueous electrolyte solution in which a lithium-containing electrolyte is dissolved in a non-aqueous solvent and a matrix polymer, the matrix polymer being a copolymer containing a vinylidene fluoride unit and a fluorine atom-containing monomer unit as a repeating unit, and the crystallization temperature Tof the matrix polymer being within a range that satisfies the following Relationship (I) relative to the concentration C (mass %) of the matrix polymer included in the gel electrolyte: 1. A gel electrolyte comprising:a non-aqueous electrolyte solution in which a lithium-containing electrolyte is dissolved in a non-aqueous solvent; anda matrix polymer;the matrix polymer being a copolymer containing a vinylidene fluoride unit and a fluorine atom-containing monomer unit as a repeating unit; and{'sub': 'c', 'claim-text': {'br': None, 'i': Tc≥', 'C, '110−\u2003\u2003(I),'}, 'a crystallization temperature Tof the matrix polymer being within a range that satisfies Relationship (I) relative to a concentration C (mass %) of the matrix polymer included in the gel electrolytewhere 0.1≤C≤30.2. The gel electrolyte according to claim 1 , wherein the copolymer further contains at least one of a repeating unit derived from unsaturated dibasic acid and a repeating unit derived from unsaturated dibasic acid monoester.3. The gel electrolyte according to claim 2 , wherein the unsaturated dibasic acid is unsaturated dicarboxylic acid claim 2 , and the unsaturated dibasic acid monoester is unsaturated dicarboxylic acid monoester.4. The gel electrolyte according to claim 1 , wherein the fluorine atom-containing monomer unit is a repeating unit derived from hexafluoropropylene or a repeating unit derived from chlorotrifluoroethylene.5. The gel electrolyte according to claim 1 , wherein the non-aqueous solvent is ethylene carbonate claim 1 , ...

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Номер записи: 92
03-02-2022 дата публикации

THERMOPLASTIC POLYMER POWDERS AND USE THEREOF FOR SELECTIVE LASER SINTERING

Номер: US20220033593A1
Автор: Niessner Norbert, WILHELMUS Bianca
Принадлежит:

The invention relates to a thermoplastic polymer powder and to the use thereof as material for selective laser sintering (SLS). The polymer powder contains a semi-crystalline polyolefin, an amorphous styrene-polymer and a selected polymeric compatibilizer, in addition to optionally further additives and/or auxiliary agents. The semi-crystalline polymer, amorphous polymer and selected polymeric compatibilizer are present in the polymer powder in the form of a polymer blend. The invention also relates to a method for producing the thermoplastic polymer powder and to a method for selective laser sintering (SLS) using the polymer powder according to the invention. 115-. (canceled)16. A thermoplastic polymer powder P comprising:(A) 10% to 89.9% by weight, based on the overall polymer powder P, of at least one semicrystalline polyolefin A;(B) 10% to 89.9% by weight, based on the overall polymer powder P, of at least one amorphous styrene polymer B;(C) 0.1% to 20% by weight, based on the overall polymer powder P, of at least one compatibilizer C selected from the group consisting of styrene-butadiene block copolymers, styrene-polyolefin copolymers, acrylonitrile-styrene-polyolefin copolymers, and acrylonitrile-styrene-butadiene-polyolefin copolymers;(D) optionally 0% to 5% by weight, based on the overall polymer powder P, of at least one additive and/or auxiliary;wherein the sum total of the percentages by weight of components A, B, C, and, optionally, D together is 100% by weight;wherein the semicrystalline polymer A, the amorphous styrene polymer B, and the compatibilizer C are in the form of a polymer blend;{'sub': '50', 'and wherein the thermoplastic polymer powder P has a median particle diameter Din the range from 5 to 200 μm.'}17. The thermoplastic polymer powder P of claim 16 , wherein the semicrystalline polyolefin A is at least one polymer selected from the group consisting of polyethylene claim 16 , polypropylene claim 16 , and polypropylene-polyethylene ...

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Номер записи: 93
19-01-2017 дата публикации

COLORED RESIN PARTICLE DISPERSION, METHOD FOR PRODUCING SAME, AND INKJET INK

Номер: US20170015793A1
Автор: SHIMIZU Manami, WATANABE Yoshifumi
Принадлежит: RISO KAGAKU CORPORATION

A colored resin particle dispersion and an inkjet ink are provided which preferably exhibit excellent rub fastness and alcohol resistance, and yield printed items having high image density. Specifically, a colored resin particle dispersion includes colored resin particles, a basic dispersant and a non-aqueous solvent. The colored resin particles include a colorant, a thermoplastic solid resin and a liquid organic compound having an acidic group, and the thermoplastic solid resin has a polar parameter δp and a hydrogen bonding parameter δh from the Hansen solubility parameters that satisfy δp=2.5 to 11.0 and δh=5.0 to 12.0 respectively is provided. 1. A colored resin particle dispersion comprising colored resin particles , a dispersant and a non-aqueous solvent ,wherein the colored resin particles comprise a colorant, a thermoplastic solid resin and a liquid organic compound having an acidic group, a basic group, or a combination thereof,the liquid organic compound has at least the acidic group when the dispersant is a basic dispersant, and the liquid organic compound has at least the basic group when the dispersant is an acidic dispersant, andthe thermoplastic solid resin has a polar parameter δp and a hydrogen bonding parameter δh from the Hansen solubility parameters that satisfy δp=2.5 to 11.0 and δh=5.0 to 12.0 respectively.2. The colored resin particle dispersion according to claim 1 , wherein the liquid organic compound has at least the acidic group claim 1 , and the acidic group of the liquid organic compound comprises a phosphoric acid group.3. The colored resin particle dispersion according to claim 1 , wherein the non-aqueous solvent has a Hansen solubility parameter of 14 to 18 MPa/cm claim 1 , a dispersion parameter δd of 12 to 20 claim 1 , a polar parameter δp of 0 to 4 claim 1 , and a hydrogen bonding parameter δh of 0 to 4.4. The colored resin particle dispersion according to claim 1 , wherein the colored resin particles further comprise a plasticizer ...

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Номер записи: 94
19-01-2017 дата публикации

PREPARATION METHOD OF SUPERABSORBENT POLYMER AND SUPERABSORBENT POLYMER PREPARED THEREBY

Номер: US20170015798A1
Автор: Han Chang Sun, LEE Hyemin, LEE Yong Hun, Nam Hye Mi, Ryu Dong Jo
Принадлежит: LG CHEM, LTD.

Provided are a preparation method of a superabsorbent polymer, and a superabsorbent polymer prepared thereby. The preparation method of the superabsorbent polymer according to the present disclosure enables preparation of the superabsorbent polymer which is excellent in absorption properties such as centrifuge retention capacity and absorbency under pressure, and also has improved permeability. In addition, the preparation method exhibits excellent operability during the preparation (in particular, surface crosslinking of the polymer) and excellent productivity due to low production of coarse particles and fine particles. 2. The preparation method of claim 1 , wherein the polycarboxylic acid-based copolymer is mixed in an amount of 0.001 to 5% by weight claim 1 , based on 100 parts by weight of the pulverized polymer.3. The preparation method of claim 1 , wherein the polycarboxylic acid-based copolymer has a weight average molecular weight of 500 to 1 claim 1 ,000 claim 1 ,000.4. The preparation method of claim 1 , wherein the drying of the water-containing gel polymer is performed at a temperature of 120° C. to 250° C.5. The preparation method of claim 1 , further comprising pulverizing the water-containing gel polymer to a particle size of 2 to 10 mm claim 1 , prior to the drying of the water-containing gel polymer.6. The preparation method of claim 1 , wherein the pulverizing of the dried polymer is performed so that the pulverized polymer has a particle size of 150 μm to 850 μm.7. The preparation method of claim 1 , wherein the surface crosslinking reaction is performed at a temperature of 100° C. to 250° C.8. The preparation method of claim 1 , wherein the surface crosslinking solution comprises one or more crosslinking agents selected from the group consisting of ethylene glycol diglycidyl ether claim 1 , polyethylene glycol diglycidyl ether claim 1 , glycerol polyglycidyl ether claim 1 , propylene glycol diglycidyl ether claim 1 , polypropylene glycol ...

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Номер записи: 95
21-01-2016 дата публикации

METHOD RELATED TO A SOLID STATE POLYMERIZATION ZONE

Номер: US20160016332A1
Автор: Wilhelmi Stephan Dietmer
Принадлежит:

One exemplary embodiment can be a method. The method can include contacting a molten, melt-phase polymerization product with an aqueous liquid, cutting the molten, melt-phase polymerization product while submerged in the aqueous liquid into pellets, expelling the pellets and water at a temperature of at least about 190° C., drying the pellets, and sending the dried pellets to a solid-state polymerization reaction zone.

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Номер записи: 96
19-01-2017 дата публикации

DEGRADABLE MATERIALS FOR OIL AND GAS FIELD OPERATIONS AND THEIR SYNTHESIS METHOD

Номер: US20170015889A1
Автор: Wang Min, ZHOU Cuihong, ZHOU Fujian, Zhou Zhipeng, ZUO Jie
Принадлежит:

A synthesis method for degradable material(s) (DM) which can be used in oil and gas field operations. The method involves using two, three, four or five polymer and chain extenders, including poly glycolic acid (PGA), polycaprolactone (PCL), polylactic acid (PLA), poly (butylene succinate) (PBS) and poly(3-hydroxybutyrate) (PHA), to synthesize a “resin alloy” through the melt mixing reaction method, which can be used in oil and gas field operations. The proposed DM can be prepared into flake, powder, granules, and ball shapes, or by one of the pure PGA, PCL, PLA, PBS and PHA, into flake, powder, granule and ball shapes, which can be further used in all kinds of operations (drilling, well completion, workover and acidizing fracturing) in oil and gas fields, such as temporary plugging to protect a reservoir, temporary plugging of perforation holes, construction intervals, etc. The DMs are fully degradable and cause almost no damage to formations. 1. A method of synthesizing degradable material(s) (DM) , comprising the following steps: performing a melt mixing reaction of a polymer and a chain extender , thereby obtaining a resin alloy which can be used in oil and gas field operations as a DM , wherein the polymer comprises two , three , four or five polymer materials selected from the group consisting of polyglycolic acid (PGA) , polycaprolactone (PCL) , polylactic acid (PLA) , poly (butylene succinate) (PBS) and poly(3-hydroxybutyrate) (PHA).2. The synthesis method of DM of claim 1 , wherein the DM can be prepared using the following compositions by mass:10-90% of the PGA and 10-90% of PCL; or 10-90% of the PGA and 10-90% of the PLA; or 10-90% of the PGA and 10-90% of PBS; or 10-90% of the PGA and 10-90% of PHA; or 10-90% of the PCL and 10-90% of PLA; or 10-90% of the PCL and 10-90% of PBS; or 10-90% of the PCL and 10-90% of the PHA; or 10-90% of the PLA and 10-90% of PBS; or 10-90% of the PLA and 10-90% of PHA; or 10-90% of the PBS and 10-90% of PHA; or 10-50% of ...

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Номер записи: 97
21-01-2016 дата публикации

NOVEL PLASTICIZER BLENDS AND PLASTISOL COMPOSITIONS COMPRISED THEREOF

Номер: US20160017119A1
Автор: Arendt William D., HANES Rebecca, McBride Emily
Принадлежит:

A novel plasticizer blend(s) useful for plastisol compositions, including organisols, having good solvating properties, good viscosity profiles and compatibility with other plasticizers and solvents traditionally used in plastisols, comprising benzoate ester plasticizer(s) and a compatibilizing plasticizer component. Methods for preparing a plastisol having low viscosity and good rheology characteristics and for rendering a benzoate ester plasticizer, or blends thereof, compatible with organic solvents traditionally used in plastisols, by incorporating the novel plasticizer blend(s), which do not require adjusting the solubility parameters of the solvents to accommodate the plasticizer, are disclosed.

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Номер записи: 98
18-01-2018 дата публикации

REACTIVE FRIABLE POLYIMIDE AND METHOD OF MAKING

Номер: US20180016395A1
Автор: KALYANARAMAN Viswanathan, Tople Nitin Vilas
Принадлежит:

Disclosed herein is a friable polyimide powder having a weight average molecular weight, as determined by gel permeation chromatography (GPC) using polystyrene standards, of less than or equal to 24,500 Daltons and a reactive aromatic amine end group concentration greater than or equal to 3 mole percent, wherein 90 weight percent of the powder particles are reducible to less than or equal to 75 micrometers by mechanical grinding. Also disclosed is a method of making the friable polyimide powder, a processed polyimide resulting from the friable polyimide powder and compositions comprising the processed polyimide. 1. A friable polyimide powder havinga weight average molecular weight, as determined by gel permeation chromatography using polystyrene standards, of less than or equal to 24,500 Daltons, anda reactive aromatic amine end group concentration greater than 3 mole percent,wherein 90 weight percent of the powder particles are reducible to less than or equal to 75 micrometers by mechanical grinding.2. The friable polyimide powder of claim 1 , having a weight average molecular weight of 5 claim 1 ,000 to 24 claim 1 ,500 Daltons.3. The friable polyimide powder of claim 1 , having a reactive aromatic amine end group concentration of 3.1 to 40 mole percent.4. The friable polyimide powder of claim 1 , wherein 90 weight percent of the particles are reducible to 1 to 75 micrometers.5. The friable polyimide powder of claim 1 , wherein 90 weight percent of the particles are reducible to 25 to 75 micrometers by mechanical grinding.8. The friable polyimide powder of claim 7 , wherein each R is independently meta-phenylene claim 7 , para-phenylene claim 7 , 4 claim 7 ,4′-diphenylene sulfone claim 7 , a combination comprising at least one of the foregoing claim 7 , and Z is 4 claim 7 ,4′-diphenylene isopropylidene.12. A method of making a processed polyimide powder comprising mechanically grinding the friable polyimide powder of claim 1 , sieving the product of grinding with a ...

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Номер записи: 99
15-01-2015 дата публикации

Temperature-responsive polymer particles in protein separation applications

Номер: US20150018440A1
Автор: Brad William Woonton, Kirthi De Silva, Milton Thomas William Hearn, Pankaj Maharjan, William Roy Jackson
Принадлежит: Commonwealth Scientific and Industrial Research Organization CSIRO, MONASH UNIVERSITY

The present invention relates to a method for isolating proteins from a solution containing the proteins. The invention also relates to a method for the chromatographic separation of proteins. The present invention also relates to crosslinked hydroxylic polymer particles functionalized with temperature-responsive copolymer, and to methods of preparing such particles.

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Номер записи: 100