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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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Применить Всего найдено 14197. Отображено 100.

05-01-2012 дата публикации

Foam-forming compositions containing mixtures of cis-1,1,1,4,4,4-hexafluoro-2-butene and 1,1,1,3,3-pentafluoropropane and their uses in the preparation of polyisocyanate-based foams

Номер: US20120004336A1

Автор: Gary Loh, Joseph Anthony Creazzo

Принадлежит: EI Du Pont de Nemours and Co

Foam-forming compositions are disclosed which contain a mixture of cis-1,1,1,4,4,4-hexafluoro-2-butene and 1,1,1,3,3-pentafluoropropane. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate.

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Номер записи: 1

19-01-2012 дата публикации

Flame retardants suitable for use in viscoelastic polyurethane foams

Номер: US20120016046A1

Автор: Eric-Jack Gerard, Haiting Zheng, Jianfeng Wang

Принадлежит: Albemarle Corp

The present invention relates to viscoelastic polyurethane foam formulations, viscoelastic polyurethane foams formed from such formulations, and products formed from the viscoelastic polyurethane foams.

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Номер записи: 2

26-01-2012 дата публикации

Process for producing rigid polyurethane foams

Номер: US20120022179A1

Автор: Achim Loeffler, Andreas Emge, Darijo Mijolovic, Holger Seifert, Marc Fricke, Roman Prochazka, Sirus Zarbakhsh

Принадлежит: BASF SE

The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the component b) comprises at least one polyether alcohol bi) prepared by addition of alkylene oxides onto toluenediamine and at least one polyether alcohol bii) prepared by addition of alkylene oxides onto H-functional starter substances comprising oligomeric glycerol.

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Номер записи: 3

22-03-2012 дата публикации

Fixing of vacuum insulation panels in cooling apparatuses

Номер: US20120067499A1

Автор: Johann Klassen, Jörg Krogmann, Jürgen BOOS, Mark Elbing, Markus SCHÜTTE

Принадлежит: BASF SE

A polyurethane foam reaction system to fix over an area of a vacuum insulation panel (VIP) on an inside of an outer wall of a cooling apparatus and/or on a outside of a wall of a inner container of the cooling apparatus, where the reaction system includes the following components: an organic and/or a modified organic polyisocyanate; at least one high molecular weight compound having at least two hydrogen atoms which are reactive toward a isocyanate group; a blowing agent; a catalyst; and a foam stabilizer, where the components are selected to obtain a closed-cell polyurethane foam having a free-foamed density of 50 to 1100 g/l and a compressive strength of ≧15 kPa, excluding rigid integral foams.

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Номер записи: 4

26-04-2012 дата публикации

Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation

Номер: US20120101299A1

Автор: Eckhard Stroefer, Heiner Schelling, Jon S. Speier, Kai Thiele, Matthias Eiermann, Michael Bock, Ulrich Penzel

Принадлежит: BASF SE

The present invention relates to a process for the production of isocyanates, preferably diisocyanates and polyisocyanates of the diphenylmethane series (MDI), by reacting an amine with phosgene in the liquid phase or in the gas phase to form the corresponding isocyanates, subsequent removal of the solvent in at least two steps to obtain at least two solvent streams, individual treatment of the at least two solvent streams, and re-circulation of at least a portion of the solvent streams.

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Номер записи: 5

10-05-2012 дата публикации

Method of synthesizing tuneably high functionality in high molecular weight natural oil polyols

Номер: US20120116042A1

Автор: Thomas M Garrett, Xian Xian Du

Принадлежит: MCPU Polymer Engr a California LLC

Methods of one-pot synthesis of high molecular weight natural oil polyols having a functionality of between about 4 and about 8 are provided. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.

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Номер записи: 6

17-05-2012 дата публикации

Flame retarded,themoplastic composition, process for making same and article containing same

Номер: US20120123004A1

Автор: Jeffrey Stowell, Ronald Pirrelli, Sophia Dashevsky

Принадлежит: ICL IP America Inc

There is provided herein a composition comprising: (a) a flexible polyurethane foam-forming mixture and; an effective flame retarding amount of at least one non halogen-containing cyclic phosphate ester of the general formula (I): wherein R 1 and R 2 , are the same or different, linear or branched alkyl group containing from up to about 10 carbon atoms, optionally containing heteroatom substituents, provided that R 1 and R 2 are not both methyl; and R 3 -R 7 are each independently hydrogen or the same or different linear or branched alkyl group containing up to about 4 carbon atoms, optionally containing heteroatom substituents; provided that the cyclic phosphate ester is a liquid or is substantially soluble in at least one different liquid flame retardant and/or the hydroxyl-containing component of the flexible polyurethane foam-forming mixture; the cyclic phosphate ester of formula (I) contains at least 8.5 weight percent phosphorous based on the total weight of any phosphorous containing component(s); and, provided that the composition is in the absence of melamine compound. There is also provided a flame retardant additive composition comprising the cyclic phosphate ester of formula (I) and at least one different liquid flame retardant. Further, there is provided a process of making a flame retarded polyurethane foam mixture.

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Номер записи: 7

05-07-2012 дата публикации

Methods of preparing hydroxy functional vegetable oils

Номер: US20120172610A1

Автор: David Casper, Trevor Newbold

Принадлежит: BioBased Technologies LLC

Simple, economical preparative processes for the provision of pure hydroxyl functional materials that are derived by converting the alkene groups of the unsaturated molecules found in vegetable oils, into hydroxyl groups.

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Номер записи: 8

06-09-2012 дата публикации

Branched poly(trimethylene ether) polyols

Номер: US20120225964A1

Автор: Gyorgyi Fenyvesi, Hari Babu Sunkara, Raja Hari Poladi

Принадлежит: EI Du Pont de Nemours and Co

Disclosed is branched poly(trimethylene ether)polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl)ethane and 1,1,1-tris(hydroxymethyl)propane. Also disclosed is a branched poly(trimethylene ether)polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a M n of about 200 to about 6000. The polyols are useful in the preparation of polyurethane rigid and flexible foams.

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Номер записи: 9

18-10-2012 дата публикации

Light weight composite structural support material having natural oil and polyol foam bonded directly between substrates

Номер: US20120263931A1

Автор: Mark D. White, Mark R. Gordon, Richard Guy, Stuart B. Smith

Принадлежит: ATI Industries Inc

A composite substrate includes first and second substrate layers with a polyurethane foam layer there between. The foam layer preferably penetrates into the first and second substrate layers to form very strong bonds without the need for intervening adhesives. A component of the foam material formulation is natural oil. The resultant composite substrate thereby has excellent load-bearing properties. It can also be manufactured with lower cost capital equipment and a reduced impact on the environment relative to substrates using more conventional foam formulations and bonding processes.

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Номер записи: 10

18-10-2012 дата публикации

Composition containing specific carbamate type compounds suitable for producing polyurethane foams

Номер: US20120264843A1

Автор: Martin Glos

Принадлежит: EVONIK GOLDSCHMIDT GMBH

Compositions suitable for producing polyurethane foams which include at least an isocyanate component, a polyol component, a catalyst catalyzing formation of a urethane or isocyanurate bond, and at least one compound containing at least one structural element of formula (I)

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Номер записи: 11

25-10-2012 дата публикации

Method of predicting the physical properties of polyurethane materials

Номер: US20120271600A1

Автор: Augusto C. Ibay

Принадлежит: Individual

The specification relates to the formulation of polyurethane materials particularly polyurethane and polyisocyanurate foams. The specified method allows the formulator to mathematically predict the final physical properties of the polyurethane and polyisocyanurate foams by using the algorithm described herein.

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Номер записи: 12

13-12-2012 дата публикации

Strength-improving agent for production of polyurethane foam

Номер: US20120316255A1

Автор: Koji Kabu, Shogo Sugahara, Tomohisa Hirano, Yasuhiro Shindo

Принадлежит: Sanyo Chemical Industries Ltd

Provided is a strength-improving agent for the production of polyurethane foam, said agent enabling the production of a polyurethane foam having high tensile strength, tear strength and compressive strength. A strength-improving agent (A) for the production of polyurethane foam, represented by general formula (I) [wherein each R1 is a residue derived from an active-hydrogen containing compound by the removal of one active hydrogen atom, and multiple R1s may be the same or different; Y is a residue derived from an at least trivalent aromatic polycarboxylic acid (C) by the removal of the carboxyl groups; the aromatic ring of Y is composed of carbon atoms; the substituents on the aromatic ring maybe hydrogen or other groups, with the proviso that at least one of the substituents is hydrogen; a is an integer satisfying the relationship: 2≦a≦[(the number of substituents on the aromatic ring)−2]; Z is a residue derived from an at least m-valent active-hydrogen containing compound by the removal of m active hydrogen atoms; some R1s and Z may be the same, with the proviso that at least one R1 is different from Z; and m is an integer of 1 to 10].

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Номер записи: 13

03-01-2013 дата публикации

Polishing pad

Номер: US20130005228A1

Автор: Atsushi Kazuno, Kazuyuki Ogawa, Masahiko Nakamori, Takatoshi Yamada, Tetsuo Shimomura

Принадлежит: Toyo Tire and Rubber Co Ltd

A polishing pad generates very few scratches on a surface of a polishing object, and is excellent in planarization property. The polishing pad has a high polishing rate and is excellent in planarization property. The polishing pad grooves become very little clogged with abrasive grains or polishing swarf during polishing and, even when continuously used for a long period of time, the polishing rate is scarcely reduced.

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Номер записи: 14

17-01-2013 дата публикации

Fire resistant foam insulation compositions

Номер: US20130015389A1

Автор: Francisco Jose Torres-Aranda, JR.

Принадлежит: Individual

This invention relates to polyurethane foam insulation materials comprising cenospheres, a coal combustion waste by-product, a poly-isocyanate and petroleum and/or vegetable based polyols and/or post-industrial or post-consumer recycled polyester to produce polymeric foam insulation products useful in building materials and component products. The percentage of industrial waste product, recycled materials and sustainable vegetable based components used in the formulations support make this a “green” composition.

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Номер записи: 15

24-01-2013 дата публикации

Polyurethane foams made with alkoxylated vegetable oil hydroxylate

Номер: US20130023599A1

Автор: Bryan D. Kaushiva, Jose F. Pazos, Karl W. Haider, Kenneth G. Mcdaniel, Richard G. Skorpenske, Stanley L. Hager, Yu-Ling Hsiao

Принадлежит: Bayer MaterialScience LLC

The present invention provides polyurethane foams and elastomers made with an alkoxylated vegetable oil hydroxylate replacing at least a portion of the typically used petroleum-based polyol(s). Also provided are processes for making the inventive foams and elastomers and for making alkoxylated vegetable oil hydroxylates. The alkoxylated vegetable oil hydroxylates are environmentally-friendly, bio-based polyols which advantageously also offer the potential of improved hydrophobicity in polyurethane foams and elastomers. The inventive polyurethane foams and elastomers may find use in a wide variety of products such as automobile interior parts, polyurethane structural foams, floor coatings and athletic running tracks.

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Номер записи: 16

07-02-2013 дата публикации

Polishing pad, manufacturing method therefor, and method for manufacturing a semiconductor device

Номер: US20130035021A1

Автор: Masato Doura, Nobuyoshi Ishizaka

Принадлежит: Toyo Tire and Rubber Co Ltd

A polishing pad having a polishing layer comprising a thermoset polyurethane foam, wherein the thermoset polyurethane foam contains, as raw material components, an isocyanate component, and active-hydrogen-containing compounds, and the active-hydrogen-containing compounds comprise one or more polyol compounds (each) having two or more functional groups, and a monool compound having one functional group.

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Номер записи: 17

14-03-2013 дата публикации

Polyurethane foam for seat pad

Номер: US20130065980A1

Автор: Kosuke Yoshitomi

Принадлежит: Bridgestone Corp

Polyurethane foam for a seat pad that achieves both reduced shakiness and reduced stress relaxation and is suitable particularly for a vehicle seat pad is provided, and the polyurethane foam contains a foaming liquid containing (A) a polyol component, (B) a polyisocyanate component, (C) water and (D) a catalyst, which has been foam-molded, wherein the polyol component (A) contains from to 50% by mass of (a-1) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 5/95 to 25/75 and a number average molecular weight of from 6,000 to 8,000, and containing from 5 to 15% by mass of (a-2) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 0/100 to 20/80 and a number average molecular weight of from 600 to 2,000, and an amount of water (C) contained is 2.0 parts by mass or more per 100 parts by mass of the polyol component (A).

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Номер записи: 18

21-03-2013 дата публикации

Aqueous cold-cure flexible stabilizer formulations

Номер: US20130072585A1

Автор: Harald Modro, Martin Glos, Mladen Vidakovic, William Bunting

Принадлежит: EVONIK GOLDSCHMIDT GMBH

Aqueous cold-cure flexible foam stabilizer including the following components: a) from ≧0.1 to ≦80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ≧300 g/mol to ≦10 000 g/mol, b) ≧2% by weight of water, c) ≧0.1% by weight of surfactant, d) from ≧0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ≧0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.

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Номер записи: 19

21-03-2013 дата публикации

Medium density foams having good impact resistance and a process for their production

Номер: US20130072588A1

Автор: James P. KOTAR, James W. Rosthauser, Usama E. Younes

Принадлежит: Bayer MaterialScience LLC

Impact resistant, medium density molded polyurethane foams are produced by the process of the present invention. These foams include from 5 to 35% by weight of glass fibers having an average fiber length of from 12.5 to 50 mm and from 25 to 60% by weight of one or more particulate fillers having an average particle size of from 0.3 to 40 microns.

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Номер записи: 20

27-06-2013 дата публикации

Isocyanate-terminated prepolymer, the method for preparing the same and the use thereof

Номер: US20130165544A1

Автор: Hochien Kung, Hong Zhu, Jen-Chieh Lin

Принадлежит: Bayer Intellectual Property GmbH

The present invention pertains to the field of polyurethane, especially relates to an isocyanate-terminated prepolymer, the method for preparing the same and the use thereof. The present invention adjusts the reaction components and the ratios thereof to obtain an isocyanate-terminated prepolymer suitable for preparing flexible polyurethane foam under a relative low mold temperature. The method for preparing flexible polyurethane foam by using the isocyanate-terminated prepolymer provided in this present invention can reduce the mold temperature, production time and energy consumption, as well as to obtain a polyurethane flexible foam processing good physical and mechanical properties.

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Номер записи: 21

25-07-2013 дата публикации

Composite body and method of making the same

Номер: US20130186921A1

Автор: David D. Peters, Michael Praw, Richard Varner

Принадлежит: BASF SE

A composite body is provided that includes a rigid polyurethane foam shell and an elastomeric polyurethane layer disposed over the rigid polyurethane foam shell. The rigid polyurethane foam shell defines a cavity within the composite body. The rigid polyurethane foam shell has a closed cell content of at least 70% and comprises the reaction product of a first isocyanate component and a first isocyanate-reactive component in the presence of a blowing agent. The elastomeric polyurethane layer is disposed over the polyurethane foam shell. The elastomeric polyurethane layer comprises the reaction product of a second isocyanate component and a second isocyanate-reactive component. A method of forming the composite body includes the step of molding the rigid polyurethane foam shell, demolding the rigid polyurethane foam shell from the mold, and applying an elastomeric polyurethane composition upon the rigid polyurethane foam shell after demolding to form the elastomeric polyurethane layer.

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Номер записи: 22

25-07-2013 дата публикации

Foamable composition for polyurethane foam and polyurethane foam

Номер: US20130190412A1

Автор: Takashi Miyamoto

Принадлежит: Asahi Organic Chemicals Industry Co Ltd

A foamable composition for polyurethane foam is provided which advantageously improves heat insulating properties, a long-term stability, and a dimensional stability of a polyurethane foam that is produced by using carbon dioxide as a blowing agent. Further, a polyurethane foam which has excellent heat insulating properties is provided by foaming and curing the foamable composition for polyurethane. In the production of the polyurethane foam in which carbon dioxide is used in the foaming, a polyol component is used which includes a phenolic resin polyol that is obtained by adding at least one alkylene oxide to a phenolic novolak resin, and an aromatic amine polyol that is obtained by adding at least one alkylene oxide to an aromatic diamine such that the total amount thereof is 60% or more by mass, based on the total polyol component.

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Номер записи: 23

25-07-2013 дата публикации

Nontemperature sensitive memory foam of mdi system suitable for horizontal foaming process

Номер: US20130190420A1

Автор: Tao Lin, Zhanggen NI

Принадлежит: Jiangsu Healthcare Co Ltd

A MDI system non-temperature sensitive memory sponge suitable for flat foam foaming process, is made by mainly using polyether polyol and polymer polyol as main material, then adding three additives isocyanate and foaming agent, the pore adjusting agent and catalyst. The polyether polyol is polyoxypropylene glycerol with molecular weight of 700, the polymer polyol is high activity grafting polyether, the isocyanate is modified polyphenyl methane diisocyanate, wherein a polyoxypropylene trihydroxy ether with the molecular weight of 4800 is added to the polyether polyol, polyol chain extender is added to said additives.

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Номер записи: 24

29-08-2013 дата публикации

Producing rigid polymer foams

Номер: US20130225708A1

Автор: Frank Prissok, Michael Harms

Принадлежит: BASF SE

A process for producing a rigid polymer foam comprises reacting components A to C in the presence of component D or an isocyanate-functional prepolymer of components A and B with component C in the presence of component D, the total amount of which is 100 wt %, (A) 35 to 65 wt % of at least one polyisocyanate component A, (B) 5 to 50 wt % of at least one polyol component B, (C) 1 to 59 wt % of at least one polycarboxylic acid component C, and (D) 0.01 to 3 wt % of at least one Lewis base component D, wherein the reaction takes place with release of carbon dioxide.

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Номер записи: 25

26-09-2013 дата публикации

Producing rigid polyurethane foams and rigid polyisocyanurate foams

Номер: US20130251975A1

Автор: Gunnar Kampf

Принадлежит: BASF SE

The present invention relates to a process for producing rigid polyurethane foams or rigid polyisocyanurate foams by the reaction of at least one polyisocyanate A), polyetherester polyols B) based on aromatic dicarboxylic acids obtainable by esterification of b1) 10 to 70 mol % of a dicarboxylic acid composition comprising b11) 50 to 100 mol %, based on the dicarboxylic acid composition, of one or more aromatic dicarboxylic acids or derivatives thereof, b12) 0 to 50 mol %, based on said dicarboxylic acid composition b1), of one or more aliphatic dicarboxylic acids or derivatives thereof, b2) 2 to 30 mol % of one or more fatty acids and/or fatty acid derivatives, b3) 10 to 70 mol % of one or more aliphatic or cycloaliphatic diols having 2 to 18 carbon atoms or alkoxylates thereof, b4) 2 to 50 mol % of a polyether polyol having a functionality of not less than 2, prepared by alkoxylating a polyol having a functionality of not less than 2 in the presence of an amine as catalyst, optionally further polyester polyols C) other than those of component B), and at least one polyether polyol D), wherein the mass ratio of total components B) and optionally C) to component D) is at least 7. The present invention also relates to the rigid foams thus obtainable and also to their use for producing sandwich elements having rigid or flexible outer layers. The present invention further relates to the underlying polyol components.

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Номер записи: 26

03-10-2013 дата публикации

Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups

Номер: US20130261205A1

Автор: Bert Klesczewski, Erika Bauer, Hartmut Nefzger, Jorg Hofmann, Klaus Lorenz

Принадлежит: Bater Intellectual Property GmbH

The present invention relates to a process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups. It furthermore relates to polyricinoleic acid ester polyols obtainable according to the invention and polyurethane polymers prepared using these polyols. The process comprises the steps: a) polycondensation of ricinoleic acid until a hydroxyl number of >0 mg of KOH/g to <60 mg of KOH/g is reached; and b) reaction of the product obtained in step a) or of a secondary product of the product obtained in step a) comprising carboxyl groups with an epoxide of the general formula (I), wherein R1 represents hydrogen, an alkyl radical or an aryl radical, with the proviso that >80% by weight to <100% by weight, based on the total amount of the epoxide (I) employed, is ethylene oxide and the reaction is carried out in the presence of an amine as the catalyst.

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Номер записи: 27

31-10-2013 дата публикации

Aromatic polyesters, polyol blends comprising the same and resultant products therefrom

Номер: US20130289151A1

Автор: Giuseppe Lista

Принадлежит: Dow Global Technologies LLC

The present invention discloses low viscosity aromatic polyester polyols suitable for blending with other polyols or other materials mutually compatible with the polyester polyols to achieve polyurethane and polyisocyanurate products. In particular the present invention discloses polyester polyols comprising the reaction of: A) an aromatic component comprising at 80 mole percent or greater of terephthalic acid; B) polyethylene glycol having a molecular weight from 150 to 1000; and C) a glycol different from the glycol of B); wherein A, B, and C are present in the reaction on a percent weight bases of 20 to 60 weight percent A); 40 to 75 weight percent of B); and 0 to 40 weight percent of C).

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Номер записи: 28

19-12-2013 дата публикации

Polyurethane Flame Retardant Formulation

Номер: US20130338248A1

Автор: Chris Ian Lindsay, Fabienne Samyn, Giacomo GIANNINI, Maryska Muller, Rene Alexander Klein, Serge Bourbigot, Sophie Duquesne

Принадлежит: Huntsman International LLC

The invention relates to a formulation suitable to provide polyurethane, the formulation comprising (a) at least one polyurethane forming mixture; (b) at least one phosphate component selected from the group consisting of ammonium polyphosphate (APP) and melamine phosphates, and mixtures thereof, and; (c) at least one metal or metalloid oxide particle having a maximum particle size of less than 300 μm, wherein the metal or metalloid is selected from the group consisting of Mg, and Al, and wherein said at least one phosphate component is present in an amount ranging from 20 to 45% by weight based on 100% by weight of the formulation.

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Номер записи: 29

02-01-2014 дата публикации

Stability of polyurethane polyol blends containing halogenated olefin blowing agents

Номер: US20140005288A1

Автор: Benjamin Bin Chen, Haiming Liu, Joseph S. Costa, Laurent Abbas, Sri R. Seshadri

Принадлежит: Arkema Inc

A stable polyol pre-mix composition comprises a blowing agent, a polyol, a surfactant, and a catalyst composition comprising an oxygen-containing amine catalyst. The oxygen-containing amine catalyst may be, an alkanol amine, an ether amine, or a morpholine group. containing compound such as, 2.(2.dimethylaminoethoxy)ethanol or N.N.N′.trimethylaminoethylethanolamine. A stabilized thermosetting foam blend comprises: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A method for stabilizing thermosetting foam blends comprises combining: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A polyurethane or polyisocyanurate foam having uniform cell structure with little or no foam collapse comprises a mixture of: (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) a polyol pre-mix composition. The resultant polyurethane or polyisocyanurate foams have uniform cell structure with little or no foam collapse.

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Номер записи: 30

09-01-2014 дата публикации

Producing foams having improved properties

Номер: US20140010981A1

Автор: Alex POPOV, Annika Halwe-Bommelmann, Carsten Ellersiek, Christof Grieser-Schmitz, Gianpaolo Tomasi, Ludwig WINDELER

Принадлежит: BASF SE

The present invention relates to a composition for producing a rigid polyurethane foam comprising at least one polyol having a molecular weight of not less than 1700 g/mol and at least one blowing agent as component A, and at least one polyisocyanate as component B, wherein the at least one polyisocyanate B comprises from 11 to 39.5 wt % of a polyisocyanate prepolymer, based on a polyether polyol having an OH number of at least 100 mg KOH/g, to a rigid polyurethane foam obtainable by reacting this composition, to a process for producing such a rigid polyurethane foam, to the use of such a rigid polyurethane foam for insulation, especially for pipe insulation and also to a process for producing an insulated pipe.

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Номер записи: 31

09-01-2014 дата публикации

Reaction mixture in the form of an emulsion and process for production of polyurethane foams from such a reaction mixture

Номер: US20140011897A1

Автор: Elena Khazova, Lorenz Kramer, Reinhard Strey, Stefan Lindner, Thomas Sottmann, Verena Dahl, Wolfgang Friederichs

Принадлежит: Bayer Intellectual Property GmbH

The present invention relates to a reaction mixture in emulsion form, suitable for conversion into polyurethanes, comprising a first phase and a second phase in the emulsion and further comprising the following components: A) polyols; B) blowing agent; C) surfactants; and D) isocyanates, wherein the isocyanate-reactive compounds A) are present in the first phase of the emulsion and the blowing agent B) is present in the second phase. The blowing agent B) is present in the near-critical or supercritical state and the isocyanate D) is present in the second phase in a proportion of ≧10% by weight of the total amount of isocyanate D) in the composition. The invention further relates to a method of producing polyurethane foams by providing such a reaction mixture, wherein a polymerization takes place at the freshly formed interface between the polyol phase and the blowing agent phase, to the use of such a reaction mixture for producing polyurethane foams and also to the polyurethane foams obtained.

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Номер записи: 32

06-02-2014 дата публикации

Polishing pad and manufacturing method therefor

Номер: US20140033615A1

Автор: Fumio Miyazawa, Kouki ITOYAMA

Принадлежит: Fujibo Holdins Inc

Provided are a polishing pad which remedies the problem of scratches occurring when a conventional hard (dry) polishing pad is used, which is excellent in polishing rate and polishing uniformity, and which can be used for not only primary polishing but also finish polishing, and a manufacturing method therefor. The polishing pad is a polishing pad for polishing a semiconductor device, comprising a polishing layer having a polyurethane-polyurea resin foam containing substantially spherical cells, wherein the polyurethane-polyurea resin foam has a hard segment content (HSC) in a range from 26 to 34%, and has a density D in a range from 0.30 to 0.60 g/cm 3 , the hard segment content (HSC) being determined by the following formula (1): HSC=100×( r −1)×( Mdi+Mda )÷( Mg+r×Mdi +( r −1)× Mda ) (1).

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Номер записи: 33

13-02-2014 дата публикации

Impact absorbing foam

Номер: US20140045962A1

Автор: Christopher James Durning, Ji Seung Kim, Karl-Heinz Schofalvi

Принадлежит: PROVEE TECHNOLOGIES LLC

This invention relates to impact absorbing foams. These foams comprise a polymeric foam and ceramic particulates dispersing the foam. These foams have numerous uses, including, for example, as interior pads for football helmets, and the like, for reducing head injuries.

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Номер записи: 34

27-02-2014 дата публикации

Use of metal salts of a carboxylic acid in the production of polyurethane systems

Номер: US20140058004A1

Автор: Roland Hubel, Sarah Schmitz

Принадлежит: EVONIK GOLDSCHMIDT GMBH

A catalyst system which is suitable for catalyzing the production of polyurethane systems is provided. The catalyst system contains a metal salt of a carboxylic acid to whose carbonyl carbon a hydrogen atom or a hydrocarbon radical is bound, with the proviso that the carboxylic acid does not have exclusively a single ethyl or n-propyl branch in the 2 position.

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Номер записи: 35

06-01-2022 дата публикации

Two-Component, Water-Based Lamination Adhesive and Use of the Same to Bond Substrates and Foams

Номер: US20220002600A1

Автор: Abhijit Hirekerur, Emilie Smith-Heberer, Girdhari KUMAR, Sandeep Kothawade, Umesh Harkal

Принадлежит: Henkel AG and Co KGaA

A water comprising, two component polyurethane dispersion adhesive comprising an anionic polyester polyurethane resin and a solvent-free liquid aliphatic polyisocyanate cross-linker. The dispersion can be reactivated one or more times for edge bonding a flexible sheet material onto a substrate having a main surface, a peripheral surface and an edge connecting the main surface and the peripheral surface.

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Номер записи: 36

07-01-2016 дата публикации

Polyurethane sound-insulating composition and method of manufacturing sound-absorbing and insulating material for vehicles using the same

Номер: US20160002495A1

Автор: Choong Ho KWON, Jang Seok PARK

Принадлежит: Daehan Solution Co Ltd

A liquid polyurethane sound-insulating composition prepared by forming a urethane bond between a polyether polyol resin and modified methylene bisphenyl diisocyanate and uniformly dispersing an inorganic filler and a method of manufacturing a sound-absorbing and insulating material for vehicles, and therefore various types of sound-absorbing and insulating materials may be manufactured with no scraps by spray-coating a surface of a sound-absorbing material with the polyurethane sound-insulating composition, and sound-insulating performance with respect to a weight of the composition. Particularly, provided are a polyurethane sound-insulating composition which may be partially spray-coated on a part requiring sound-insulating performance, rather than being spray-coated on an entire surface of a sound-absorbing material, thereby minimizing an increase in weight and maximizing the sound-insulating performance, and a method of manufacturing a sound-absorbing and insulating material for vehicles.

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Номер записи: 37

05-01-2017 дата публикации

Polyurethanes

Номер: US20170002128A1

Автор: Eswaramurthi NACHIAPPAN, Michiel Barend Eleveld, Pranaya Man Singh PRADHAN

Принадлежит: Shell Oil Co

A process for making a flame retardant polyurethane foam, the process comprising reacting a PO based polyol with foam-forming reactants to provide said polyurethane foam, wherein said polyol is prepared by ring-opening polymerization of alkylene oxide in the presence of a composite metal cyanide complex catalyst, and wherein said polyol is either free from EO moieties or comprises EO moieties in an amount of at most 1% w/w.

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Номер записи: 38

20-01-2022 дата публикации

PRODUCTION OF RIGID POLYURETHANE FOAM

Номер: US20220017679A1

Автор: Ferenz Michael, Glos Martin, Grimminger Jobst

Принадлежит: EVONIK OPERATIONS GMBH

What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises polyalkylsiloxane (PAS) containing no polyether modification, and polyether-modified siloxane, (b) a process for producing rigid polyurethane foam using polyalkylsiloxanes and polyether-modified siloxane, (c) the rigid polyurethane foam Thus obtainable and (d) the use thereof. 1. A composition for production of rigid polyurethane foam , the composition comprising at least one isocyanate component , a polyol component , optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond , optionally blowing agents , where the composition additionally comprises polyalkylsiloxane containing no polyether modification , and polyether-modified siloxane.2. The composition according to claim 1 , wherein the polyalkylsiloxanes contain less than 20 silicon atoms.3. The composition according to claim 1 , wherein the polyalkylsiloxanes are used in combination with polyether-modified siloxanes in a mass ratio of from 1:5 to 1:200.4. The composition according to claim 1 , wherein the proportion by mass of the total amount of polyalkylsiloxanes and polyether-modified siloxanes claim 1 , based on 100 parts by mass of polyol component claim 1 , is from 0.1 to 10 pphp.6. The composition according to claim 5 , wherein{'br': None, 'c+d>0.5.'}7. The composition according to claim 5 , wherein{'br': None, 'd=0 and c>0.5.'}8. The composition according to claim 5 , wherein{'br': None, 'c+d<0.5.'}11. The process for producing rigid polyurethane foam by reacting one or more polyol components with one or more isocyanate components claim 1 , wherein the reaction is effected in the presence of polyalkylsiloxanes containing no polyether modification claim 1 , and ...

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Номер записи: 39

27-01-2022 дата публикации

PUR-/PIR RIGID FOAMS CONTAINING POLYESTER POLYOLS WITH REDUCED FUNCTIONALITY

Номер: US20220025103A1

Автор: Hagen Torsten, Nefzger Hartmut, Raffel Bolko, Schornstein Marcel

Принадлежит:

The invention relates to a method for preparing polyester polyols containing monools, and to their use, in particular for preparing polyurethane/polyisocyanurate rigid foams (also referred to hereafter as PUR/PIR rigid foams) with improved fire performance. 1. A multistage process for producing a polyester polyol PES-B comprising: {'sub': a', 'a, 'claim-text': {'br': None, 'i': n', '/n, 'sub': a', 'a, '(OH)(carboxy)>1, and'}, 'wherein in step a) the ratio of the molar amount of employed hydroxyl groups [n(OH)] to the molar amount of carboxyl-equivalent groups [n(carboxy)] is, 'a) completely reacting at least one carboxyl compound selected from the group consisting of i) polyfunctional carboxylic acids and ii) polyfunctional hydroxy-reactive carboxylic acid derivatives selected from the group consisting of carbonyl chlorides, alkyl carboxylates, hydroxy-functional carboxylic acids, lactones and carboxylic anhydrides with at least one polyol containing 2-8 hydroxy groups to afford a polyester polyol PES-A,'} {'sub': reactant', 'reactant, 'claim-text': {'br': None, 'i': n', '/n, 'sub': reactant', 'reactant, '(OH)(Carboxy)>1.'}, 'wherein the ratio of the molar sum of the hydroxy groups n(OH)of all reactant molecules employed in steps a) and b) to the molar sum of the employed carboxyl-equivalent groups n(carboxy)is, 'b) subsequently reacting the polyester polyol PES-A obtained in step a) with a monofunctional alcohol to afford the PES-B,'}2. The process as claimed in claim 1 , wherein the polyester polyol PES-B has a number-average OH functionality of >1.00 to <2.00.3. The process as claimed in claim 1 , wherein the carboxyl compound in step a) comprises glutaric acid claim 1 , succinic acid claim 1 , adipic acid claim 1 , terephthalic acid claim 1 , phthalic acid claim 1 , isophthalic acid claim 1 , a derivative of any thereof claim 1 , or a combinations of any thereof.4. The process as claimed in claim 1 , wherein the at least one polyol in step a) comprises a polyol ...

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Номер записи: 40

03-02-2022 дата публикации

HYDROPHILIC POLYURETHANE FOAM FOR WATER RETENTION APPLICATIONS

Номер: US20220033564A1

Автор: Schoener Cody, Srivastava Yasmin N.

Принадлежит:

Hydrophilic polyurethane foam is made from a diphenylmethane-based quasi-prepolymer having specified isocyanate and oxyethylene contents. The foams have an unusually good capacity for retaining water even when under compressive forces. They also exhibit at most moderate swelling when saturated with water. The foam is useful as a layer of a water containment system such as a green roof or blue roof system. 1. A hydrophilic polyurethane foam which is the reaction product of a reaction mixture that comprises:a) water,b) a quasi-prepolymer, which quasi-prepolymer has an isocyanate content of 5 to 15% by weight and contains 55 to 75 weight percent of oxyethylene units based on the weight of the quasi-prepolymer, which quasi-prepolymer is a reaction product of 1) a hydroxyl-terminated polymer of ethylene oxide or mixture of two or more thereof, wherein the hydroxyl-terminated polymer of ethylene oxide or mixture thereof has an average oxyethylene content of at least 90 weight percent, based on the weight of the hydroxyl-terminated polymer of ethylene oxide or mixture thereof, has a number average nominal hydroxyl functionality of 2 to 2.5 and has a number average hydroxyl equivalent weight of at least 350, with ii) an excess of an organic polyisocyanate that includes at least 80 weight percent diphenylmethane diisocyanate of which diphenylmethane diisocyanate at least 60 weight percent is 4,4′-diphenylmethane diisocyanate, wherein component b) is present in an amount sufficient to provide an isocyanate index of 0.5 to 50; andc) one or more surfactants.2. The hydrophilic polyurethane foam of wherein the hydroxyl-terminated polymer of ethylene oxide or mixture of two or more thereof includes at least one ethylene oxide homopolymer.3. The hydrophilic polyurethane foam of wherein the hydroxyl-terminated polymer of ethylene oxide or mixture of two or more thereof includes at least one random or block copolymer of ethylene oxide and 1 claim 2 ,2-propylene oxide which contains ...

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Номер записи: 41

03-02-2022 дата публикации

Composition

Номер: US20220033619A1

Автор: Jonathan Hill, Maurice Power

Принадлежит: Si Group USA USAA LLC

The present invention provides a stabilising composition, comprising:a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; andb) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

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Номер записи: 42

03-02-2022 дата публикации

COMPOSITION

Номер: US20220033620A1

Автор: HILL Jonathan, Power Maurice

Принадлежит:

The present invention provides a stabilising composition, comprising: 2. The stabilizing composition of claim 1 , wherein the one or more second phenolic antioxidants are selected from the group consisting of:a di-hydroxybenzene selected from the group consisting of 4-tert-butylcatechol, 2,5-di-tert-amyl-hydroquinone, benzene-1,2-diol, and benzene-1,3-diol;a tri-hydroxybenzene selected from the group consisting of benzene-1,2,3-triol, propyl 3,4,5-trihydroxybenzoate; and benzene-1,2,4-triol; anda dimer or oligomer of mono-hydroxybenzene monomers selected from the group consisting of 4,4′-butylidenebis[2-t-butyl-5-methylphenol], and phenol, 4-methyl-, reaction products with dicyclopentadiene and isobutylene.3. The stabilizing composition of claim 1 , wherein the one or more of the second phenolic antioxidants are selected from the group consisting of 4-tert-butylcatechol claim 1 , 2 claim 1 ,5-di-tert-amyl-hydroquinone claim 1 , benzene-1 claim 1 ,2-diol claim 1 , benzene-1 claim 1 ,3-diol claim 1 , and benzene-1 claim 1 ,4-diol.4. The stabilizing composition of claim 3 , wherein one of the second phenolic antioxidants is 4-tert-butylcatechol.5. The stabilizing composition of claim 1 , wherein the one or more second phenolic antioxidants is present in an amount of from about 1 to about 50 wt. % claim 1 , based on the total weight of the stabilizing composition.6. The stabilizing composition of claim 1 , wherein the one or more second phenolic antioxidants are present in the stabilizing composition in an amount of from about 1 to about 35 wt. % claim 1 , based on the total weight of the stabilizing composition.7. The stabilizing composition of claim 1 , wherein the one or more second phenolic antioxidants are present in the stabilizing composition in an amount of from about 5 to about 30 wt. % claim 1 , based on the total weight of the stabilizing composition.8. The stabilizing composition of claim 1 , wherein the one or more second phenolic antioxidants are present ...

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Номер записи: 43

03-02-2022 дата публикации

Porous layer structure and method for producing same

Номер: US20220034027A1

Автор: Kazuya Sasaki, Ryo Kawamura, Toshiki Yamada

Принадлежит: Dainichiseika Color and Chemicals Mfg Co Ltd

Provided is a porous layer structure including a base material (A) and a urethane foam layer provided on the base material (A), wherein the urethane foam layer is a foam layer formed by foaming a urethane prepolymer having an isocyanate group, the urethane foam layer has a density of 0.10 to 0.60 g/cm 3 , and the urethane prepolymer substantially contains no volatile component and satisfies a predetermined composition.

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Номер записи: 44

21-01-2016 дата публикации

Method for Making Skinned Polyurethane Composites

Номер: US20160016387A1

Автор: Sabrina FREGNI, Sara CAVALCA

Принадлежит: Dow Global Technologies LLC

Skinned composites contain a plasticized polymer skin layer adhered to a layer of a polyurethane. The polyurethane is made from a reaction mixture that contains specified amounts of a polyester polyol and an acidic material. The presence of both the polyester polyol and acid leads to significantly improved adhesion between the polyurethane and skin layer. The invention is particularly useful when the skin is highly plasticized.

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Номер записи: 45

16-01-2020 дата публикации

Process for producing isocyanate-based foam construction boards

Номер: US20200017654A1

Автор: Chunhua Yao, John B. Letts, Michael J. Hubbard

Принадлежит: Firestone Building Products Co LLC

A process for producing a polyurethane or polyisocyanurate construction board, the process comprising (i) providing an A-side reactant stream that includes an isocyanate containing compound; (ii) providing a B-side reactant stream that includes a polyol and a physical blowing agent, where the physical blowing agent includes pentane, butane, and optionally a blowing agent additive that has a Hansen Solubility Parameter (δt) that is greater than 17 MPa−0.5; and (iii) mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.

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Номер записи: 46

10-02-2022 дата публикации

NON-ISOCYANATE POLYURETHANE PRODUCTS AND METHODS OF MAKING THE SAME

Номер: US20220041830A1

Автор: Dong Tao, PIENKOS Philip T.

Принадлежит:

The present disclosure relates to a method for making a non-isocyanate polyurethane (NIPU) foam, where the method includes decomposing a blowing agent having at least one of an amine carbamate salt and/or an amine bicarbonate salt to form a diamine and COin the presence of a molecule comprising a plurality of cyclic carbonate functional groups and reacting the diamine with at least a portion of the cyclic carbonate functional groups to form the NIPU foam. In some embodiments of the present disclosure, the reacting and the decomposing may occur at substantially the same rate. 1. A method for making a non-isocyanate polyurethane (NIPU) foam , the method comprising:{'sub': '2', 'decomposing a blowing agent comprising at least one of an amine carbamate salt or an amine bicarbonate salt to form a diamine and COin the presence of a molecule comprising a plurality of cyclic carbonate functional groups; and'}reacting the diamine with at least a portion of the cyclic carbonate functional groups to form the NIPU foam.2. The method of claim 1 , wherein the reacting and the decomposing occur at substantially the same rate.3. The method of claim 1 , wherein the molecule is derived from a biomass.4. The method of claim 4 , wherein the molecule is derived from at least one of a soybean oil claim 4 , a linseed oil claim 4 , or an algae oil.5. The method of wherein the molecule is produced by carbonating an unsaturated lipid or oil.6. The method of claim 1 , wherein the NIPU foam has a density between about 0.01 g/cmand about 0.80 g/cm.7. The method of claim 1 , wherein the decomposing is accomplished by heating.8. The method of claim 1 , wherein the heating is performed by at least one of conductive heating claim 1 , radiative heating claim 1 , or radio frequency heating.9. The method of claim 7 , wherein the heating results in a temperature between about 50° C. and about 200° C.10. The method of claim 1 , wherein the diamine comprises between 1 and 10 carbon atoms.11. The method ...

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Номер записи: 47

17-02-2022 дата публикации

Method for producing polyoxymethylene polyoxyalkylene block copolymers

Номер: US20220049042A1

Автор: Annika STUTE, Aurel Wolf, Christoph Guertler, Markus MEURESCH

Принадлежит: Covestro Intellectual Property GmbH and Co KG

The invention relates to a method for producing a polyoxymethylene polyoxyalkylene block copolymer, said method including the process of reacting a polymer formaldehyde compound with alkylene oxide in the presence of a double metal cyanide (DMC) catalyst and an H-functional starter substance, wherein the theoretical molar mass of the polymer formaldehyde compound is lower than the theoretical molar mass of the H-functional starter substance, and the polymer formaldehyde compound has at least one terminal hydroxyl group, the theoretical molar mass of the H-functional starter substance being at least 500 g/mol. In the method according to the invention, a mixture i) is provided comprising the DMC catalyst and the H-functional starter substance in step (i); the polymer formaldehyde compound is then added to the mixture (i) in step (ii), thereby forming a mixture (ii); and the alkylene oxide is added in step (iii), step (ii) being carried out at the same time as or prior to step (iii).

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Номер записи: 48

17-02-2022 дата публикации

Translucent polyurethane or polyisocyanurate foams

Номер: US20220049044A1

Автор: Dirk Achten, Lutz BÖHNKE, Robert Maleika

Принадлежит: Covestro Deutschland AG

The present invention relates to a process for producing translucent polyurethane and polyisocyanurate foams by reaction of a component A comprising A1 at least one polyol reactive with the component B; A2 optionally at least one amine; A3 water and optionally formic acid; A4 at least one foam stabilizer; A5 optionally auxiliary and/or additive substances; A6 optionally at least one flame retardant; A7 at least one catalyst; and a component B comprising B1 at least one aliphatic or cycloaliphatic polyisocyanate component or a combination thereof; and B2 optionally at least one hydrophilized isocyanate; and B3 less than 20 parts by weight of an aromatic polyisocyanate component, wherein the parts by weight of B3 are based on the sum of the parts by weight of B1 to B3 normalized to 100 parts by weight, characterized in that the reaction of the component A with the component B is carried out at an isocyanate index of at least 150, wherein the obtained translucent polyurethane and polyisocyanurate foams have a light transmission according to EN ISO 13468-2:2006 of at least 10% and a haze of at least 70%, determined according to ASTM D1003-13, in each case measured at a layer thickness of 20 mm. The present invention further relates to polyurethane and polyisocyanurate foams obtained by the process and to the use thereof as a construction element, as a wall element, as a floor element, in buildings, in vehicles or lamps.

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Номер записи: 49

30-01-2020 дата публикации

Polymeric phenolic antioxidants

Номер: US20200031756A1

Автор: Haihu Qin, Mark E. Ragsdale, Michael Hong, Nicholas G. MOON, Sharon A. Free

Принадлежит: Milliken and Co

A phenol compound comprises a phenyl group, a hydroxy group directly bonded to the phenyl group, and at least one polymeric substituent bound to the phenyl group. The polymeric substituent comprises three or more monomers units. A method for producing a polyurethane polymer comprises the steps of (a) providing a polyol; (b) providing a polyisocyanate compound; (c) providing the phenol compound described above; (d) combining the polyol, the polyisocyanate compound, and the phenol compound to produce a reaction mixture; and (e) allowing the polyol and the polyisocyanate compound to react to produce a polyurethane polymer.

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Номер записи: 50

30-01-2020 дата публикации

Polyol compositions

Номер: US20200031981A1

Автор: Elena Ferrari, François M. CASATI, Giuseppe Vairo, Irena AMICI-KROUTILOVA, Paul Cookson, Rossella Riccio

Принадлежит: Dow Global Technologies LLC

Embodiments of the present disclosure are directed towards polyol compositions including a dispersion of polyisocyanate polyaddition particles in a carrier polyol, wherein the polyisocyanate polyaddition particles have an average particle diameter from 0.1 to 10.0 microns and the dispersion has a solids content from 5 wt % to 50 wt % based upon a total weight of the dispersion, and a polyester polyol that is from 1 wt % to 98 wt % of the polyol composition based upon a total weight of the polyol composition.

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Номер записи: 51

24-02-2022 дата публикации

Aerosol can configuration

Номер: US20220055821A1

Автор: Roland Lechner

Принадлежит: Individual

An aerosol can configuration includes an outer can, an inner container and a spray head with a discharge element. The spray head has an outlet valve connected to the interior of the outer can and an outlet valve connected to the interior of the inner container. The two outlet valves are opened jointly by pressing on the spray head, so that the contents of the outer can and the contents of the inner container jointly enter the discharge element. To form a foam, the outer can contains at least 30-70% by weight isocyanate, in particular diphenylmethane 4,4′-diisocyanate, 3-15% by weight polyol with an OH number of less than 300, and 5-30% by weight liquid gas at a critical temperature of ≥+70° C. At least 5-30% by weight polyol with an OH number of more than 300, and 1-10% by weight liquid gas with a critical temperature of ≥+70° C. are contained in the inner container.

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Номер записи: 52

24-02-2022 дата публикации

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

Номер: US20220056234A1

Автор: Hubbard Michael J., LETTS John B., Yao Chunhua

Принадлежит:

A process for producing a polyurethane or polyisocyanurate construction board, the process comprising of providing an A-side reactant stream that includes an isocyanate-containing compound; providing a B-side reactant stream that includes a polyol, where the B-side reactant steam includes a blowing agent mixture including isopentane and a blowing agent additive that has a Hansen Solubility Parameter (δ) that is greater than 15 MPa; and mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture. 1. A construction board comprising:{'sup': '−0.5', '(i) a foam body having a generally planar shape with first and second planar surfaces, where said foam body is a closed-cell foam body including an acyclic pentane and a blowing agent additive contained within the foam body, where the blowing agent additive has a Hansen Solubility Parameter of from 17.0 to 35.0 MPa, where the blowing agent additive has a boiling point, at one atmosphere, of less than 150° C., where said blowing agent additive is selected from the group consisting of ketones, aldehydes, ethers, esters, halogenated hydrocarbons, and aromatics, where the acyclic pentane and the blowing agent additive form a physical blowing agent mixture, where the physical blowing agent mixture includes from about 7 to about 35 mole % of the blowing agent additive based on the total moles of physical blowing agent mixture, where the closed-cell body is a polyurethane or polyisocyanurate foam body prepared by reacting an isocyanate-containing compound with an aromatic polyester polyol, and where the isocyanate-containing compound and the aromatic polyester polyol are reacted at a molar ratio to provide an iso index of at least 220; and'}(ii) first and second facers attached to said first and second planar surfaces, respectively.2. The construction board of claim 1 , where the foam body has a density of 1.0 to 2.5 lbs/ft.3. The construction board of claim 1 , where the foam body has an index ...

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Номер записи: 53

24-02-2022 дата публикации

DISPERSION ADHESIVES

Номер: US20220056265A1

Автор: Kraus Harald, KUEKER Peter, Liberati Robert, Melchiors Martin

Принадлежит:

The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method. 19-. (canceled)10. An adhesive-bonded foam substrates comprising:a foam substrate;a second substrate; andan adhesive composition applied to bond the foam substrate to the second substrate,{'claim-text': ['an aqueous dispersion comprising a mixture of:', {'claim-text': {'claim-text': ['I (i). at least one difunctional aliphatic polyester polyol having a molecular weight of 400 to 5000 q/mol,', 'I (ii). at least one mixture of hexamethylene diisocyanate (HDI) and 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI), and', 'I (iii). at least one mixture of two or more aminic chain extenders, wherein at least one compound bears an ionic group,', 'and the polymer A) after drying is semicrystalline or crystalline with a glass transition at a glass transition temperature Tq of between −65° C. and −40° C., and'], '#text': 'I. a polymer A) formed from'}, '#text': 'A) an aqueous polyurethane or polyurethane-urea dispersion comprising'}, {'claim-text': [{'claim-text': ['II(i). at least one difunctional aromatic polyester polyol having a molecular weight of 400 to 5000 q/mol,', 'II (ii). at least one difunctional polyol component having a molecular weight of 62 to 399,', 'II (iii). at least one aliphatic diisocyanate and', 'II (iv). at least one aminic chain extender having an ionic group,'], '#text': 'II. a polymer B) formed from'}, 'wherein the polymer B) after drying is amorphous with a glass transition at a glass transition temperature Tq of between −15° C. and +10° C.:'], '#text': 'B) an aqueous polyurethane or polyurethane-urea dispersion which differs from A) and contains'}], '#text': 'wherein the adhesive composition comprises:'}and wherein the mixture contains 34.8% to 90.2% by weight of polymer A) and 9.8% to 65.2% by weight of polymer B), ...

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Номер записи: 54

01-05-2014 дата публикации

Flexible polyurethane foam and method of producing same

Номер: US20140121290A1

Автор: Raymond A. Neff, Theodore M. Smiecinski

Принадлежит: BASF SE

A flexible polyurethane foam comprises the reaction product of an isocyanate component and an isocyanate-reactive component in the presence of a blowing agent. The isocyanate component comprises a polymeric diphenylmethane diisocyanate component and a monomeric diphenylmethane diisocyanate component. The monomeric diphenylmethane diisocyanate component comprises 2,4′-diphenylmethane diisocyanate and 4,4′-diphenylmethane diisocyanate. The flexible polyurethane foam is substantially free of supplemental flame retardant additives and exhibits flame retardance under flammability tests according to California Technical Bulletin 117 regulations.

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Номер записи: 55

15-02-2018 дата публикации

Viscoelastic flexible polyurethane foams based on polyether carbonate polyols

Номер: US20180044464A1

Автор: Bert Klesczewski, Jorg Hofmann, Urs Rauwald

Принадлежит: Covestro Deutschland AG

The present invention relates to a method for the production of viscoelastic polyurethane foams by reacting an isocyanate component with a component which is reactive towards isocyanates, comprising ≧50 to ≦100 weight parts of at least one polyether carbonate polyol with a hydroxyl number according to DIN 53240 of ≧150 mg KOH/g to ≦300 mg KOH/g. The invention also relates to polyurethane foams produced by the method of the invention and their use.

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Номер записи: 56

19-02-2015 дата публикации

Method for preparing a coffee polyol and compositions and materials containing the same

Номер: US20150051306A1

Автор: Kuo-Chin Chen, Lai-Hung Wan, Li-Hsun Chang, Szu-Min CHIAO

Принадлежит: Singtex Industrial Co Ltd

A method for preparing a coffee polyol includes: (a) extracting coffee oil from coffee grounds; (b) modifying the coffee oil to obtain an epoxidized coffee oil; and (c) reacting an alcohol with the epoxidized coffee oil to obtain a coffee polyol. A polyurethane dispersive solution is prepared from a prepolymer composition that includes: a coffee polyol prepared from the abovementioned method; an isocyanate; and a solvent. A foam-based material is made from a foaming composition that includes a coffee polyol prepared from the abovementioned method. A polyurethane material is made from a polyurethane composition that includes a coffee polyol prepared from the abovementioned method.

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Номер записи: 57

03-03-2022 дата публикации

Dimensionally stable closed-cell and rigid foams produced with methylal blowing agent

Номер: US20220064358A1

Автор: Ibrahim Sendijarevic

Принадлежит: Barentz North America LLC, Lambiotte Et SA Cie, Ventrex Systems LLC

A method of producing a closed-cell and rigid foam. The method comprises reacting an isocyanate composition including one or more polyisocyanates and a polyol composition including one or more polyols including one or more aromatic polyester polyols having a hydroxyl functionality of greater than 2 and one or more physical and/or chemical blowing agents including methylal to form a closed-cell and rigid foam configured to retain at least 85% of an initial volume of the closed-cell and rigid foam when exposed to about 97% relative humidity at about 70° C. for at least seven or more days.

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Номер записи: 58

03-03-2022 дата публикации

Hybrid foam formulations

Номер: US20220064361A1

Автор: Weijun Zhou, William A. Koonce, William J. Harris, Yonghui Zhang

Принадлежит: Dow Global Technologies LLC

Embodiments of the present disclosure are directed towards hybrid foam formulations that include: an isocyanate-reactive composition, and a high-functionality crosslinker; an azo type radical initiator; and an isocyanate.

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Номер записи: 59

03-03-2022 дата публикации

FLEXIBLE POLYURETHANE FOAMS HAVING IMPROVED LONG-TERM PERFORMANCE CHARACTERISTICS

Номер: US20220064398A1

Автор: FRISCHE Bianca, OTERO MARTINEZ Iran, RAETH Alexander, SDRUJKOWSKI Waldemar

Принадлежит:

The present invention relates to polyol mixtures comprising (b1) at least one polyether polyol having a hydroxyl value of 10 to 60 mg KOH/g and having a high proportion of ethylene oxide, (b2) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not less than 40% primary OH groups, and (b3) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not more than 30% primary OH groups, and b5) from 0.25 to 10 further parts by weight of polyurea, based on 100 parts by weight of components b1) to b3), optionally present as a constituent of a dispersion polyol based on one or more of components b1) to b3).

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Номер записи: 60

08-05-2014 дата публикации

Method for Making Organic Foam Composites Containing Aerogel Particles

Номер: US20140128488A1

Автор: Giuseppe Vairo, Luca LOTTI, Michael J. Skowronski

Принадлежит: Dow Global Technologies LLC

Aerogel particles are impregnated with a volatile liquid. Organic polymer foams are made in the presence of the impregnated aerogel particles. The volatile liquid volatilizes during the foaming process, resulting in a composite foam in which the dispersed aerogel particle are filled with gas. The composite foams have exceptionally low thermal conductivities.

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Номер записи: 61

13-02-2020 дата публикации

High strength polyurethane foam compositions and methods

Номер: US20200048399A1

Автор: Aisa Sendijarevic, Scott D. Allen, Vahid Sendijarevic

Принадлежит: Saudi Aramco Technologies Co

Disclosed are high strength polyurethane foam compositions and methods of making them. In one aspect, the inventive polyurethane foams include strength enhancing additives comprising one or more polycarbonate polyols derived from the copolymerization of CO 2 and one or more epoxides. In one aspect, the inventive methods include the step of substituting a portion of the polyether polyol in the B-side of a foam formulation with one or more polycarbonate polyols derived from the copolymerization of CO 2 and one or more epoxides.

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Номер записи: 62

10-03-2022 дата публикации

POLISHING PAD AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING THE SAME

Номер: US20220073694A1

Автор: Jeong Yong Ju, JOENG Eun Sun, Kim Seung Kyun, SEO Jang Won, YUN Jong Wook

Принадлежит:

Provided is a polishing pad including a polishing layer, wherein the nuclear magnetic resonance (NMR) C spectrum of a processed composition prepared by adding 1 g of the polishing layer to a 0.3 M aqueous solution of potassium hydroxide (KOH) and allowing the mixture to react in a closed container at a temperature of 150° C. for 48 hours includes a first peak appearing at 15 ppm to 18 ppm, a second peak appearing at 9 ppm to 11 ppm, a third peak appearing at 138 ppm to 143 ppm, and a fourth peak appearing at 55 ppm to 65 ppm, and the softening control index calculated by Equation 1 is 0.10 to 0.45. The polishing pad includes the polishing layer having physical properties corresponding to the softening control index, and thus may exhibit a removal rate and defect prevention performance within desired ranges in polishing of a polishing target. 2. The polishing pad of claim 1 , whereina percentage of the area of the fourth peak relative to a total area of the first peak and the second peak is 30% to 75%, anda percentage of the total area of the first peak and the second peak relative to a total area of the first peak, the second peak and the third peak is 60% to 70%.3. The polishing pad of claim 1 , whereinan area ratio of the third peak to the second peak is 1:1 to 5:1.4. The polishing pad of claim 1 , whereinan area ratio of the first peak to the second peak is 10:1 to 10:5.6. The polishing pad of claim 4 , whereinthe weight-average molecular weight (Mw) is 2,600 to 4,000, andthe number-average molecular weight (Mn) is 2,500 to 3,000.7. The polishing pad of claim 1 , whereinthe polishing layer comprises a cured product of a preliminary composition containing a urethane-based prepolymer,{'sup': '13', '#text': 'a nuclear magnetic resonance (NMR) C spectrum of the preliminary composition shows a fifth peak and a sixth peak in descending order of peak position (ppm) at 16 ppm to 20 ppm, and'}an area ratio of the fifth peak to the sixth peak is 1:1 to 5:1.8. The polishing ...

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Номер записи: 63

10-03-2022 дата публикации

FOAM

Номер: US20220073728A1

Автор: EISENMENGER Nancy, ENGELS Tom Antonius Philomena, ROOZEMOND Peter

Принадлежит:

The invention relates to a foam comprising thermoplastic copolyester elastomer in an amount of at least 60 wt % with respect to the total weight of the foam, wherein the thermoplastic copolyester elastomer has a number average molecular weight (Mn) of at least 34000 g/mol and a shore D hardness measured at 3 s of between 28 to 50. The invention further relates to a process for preparing the foam and articles comprising the foam. 1. Foam comprising thermoplastic copolyester elastomer in an amount of at least 60 wt % with respect to the total weight of the foam , wherein the thermoplastic copolyester elastomer has a number average molecular weight (Mn) of at least 34000 g/mol and a shore D hardness measured at 3 s of between 28 to 50.2. Foam according to claim 1 , wherein the thermoplastic copolyester elastomer has a Mw/Mn of less than 2.7.3. Foam according to claim 1 , wherein the shore D hardness is between 30 and 45.4. Foam according to claim 1 , wherein the thermoplastic copolyester elastomer comprises hard segments chosen from ethylene terephthalate (PET) claim 1 , propylene terephthalate (PPT) claim 1 , butylene terephthalate (PBT) claim 1 , polybutylene isophthalate (PBI) claim 1 , polyethylene isophthalate (PEI) claim 1 , polyethelyene naphthalate (PEN) claim 1 , polybutylene naphthalate (PBN) claim 1 , and polypropylene naphthalate (PPN) and combinations thereof.5. Foam according to claim 4 , wherein the thermoplastic copolyester elastomer comprises hard segments being PBT optionally in combination with PBI.6. Foam according to claim 1 , wherein the thermoplastic copolyester elastomer comprises soft segments being polytetramethylene oxide (PTMO) claim 1 , polyethylene oxide (PEO) claim 1 , polypropylene oxide (PPO) claim 1 , block copolymers of poly(ethylene oxide) and poly(propylene oxide) claim 1 , linear aliphatic polycarbonates claim 1 , polybutylene adipate (PB A) and derivates of dimer fatty acids or dimer fatty acid diols claim 1 , linear aliphatic ...

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Номер записи: 64

27-02-2020 дата публикации

Integrated Polyurethane Article

Номер: US20200060384A1

Автор: An PLESSERS, Joseph J. Vontorcik, Jr., Julius Farkas, Kenneth H. KIM, Ungyeong Jung

Принадлежит: Lubrizol Advanced Materials Inc

This technology relates to an integrated article that includes (a) a flexible foam region and (b) a non-foam region. The flexible foam region and the non-foam region are each made of a polyurethane composition. In some embodiments, the flexible foam region is a midsole, and wherein the non-foam region is an outsole. The flexible foam region is made from a flexible polyurethane injection molded foam. The non-foam region is made from a non-foamed polyurethane, which may be extruded or thermoformed. The invention relates to this integrated article, as well as the methods of making and using the same.

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Номер записи: 65

17-03-2022 дата публикации

PROCESS FOR PRODUCING A LOW DENSITY FREE-RISE POLYURETHANE FOAM

Номер: US20220081505A1

Автор: Ulman Dorota, Zhang Jing

Принадлежит:

There is described a process for producing a free-rise polyurethane foam having a density of less than or equal to about 0.75 pcf. the process comprises the steps of: (a) contacting: (i) an isocyanate, (ii) a first polyol comprising a first polymer chain consisting essentially of propylene oxide units and alkylene oxide units selected from ethylene oxide, butylene oxide and mixtures thereof in a weight ratio of propylene oxide units to alkylene oxide units in the range of from about 90:10 to about 25:75, the polymer chain being terminally capped with the ethylene oxide units, the first polyol having a primary hydroxyl content of at least about 70% based on the total hydroxyl content of the first polyol, (iii) water (iv) a surfactant and (v) a catalyst to form a foamable reaction mixture; and (b) expanding the foamable reaction mixture to produce the free-rise polyurethane foam. 147-. (canceled)48. A free-rise polyurethane foam produced by a process for producing a free-rise polyurethane foam having a density of less than or equal to about 0.75 pcf , the process comprising the steps of:(a) contacting: (i) an isocyanate, (ii) a first polyol comprising a first polymer chain consisting essentially of propylene oxide units and alkylene oxide units selected from ethylene oxide, butylene oxide and mixtures thereof in a weight ratio of propylene oxide units to alkylene oxide units in the range of from about 90:10 to about 25:75, the polymer chain being terminally capped with the ethylene oxide units, the first polyol having a primary hydroxyl content of at least about 70% based on the total hydroxyl content of the first polyol, (iii) water (iv) a surfactant and (v) a catalyst to form a foamable reaction mixture; and(b) expanding the foamable reaction mixture to produce the free-rise polyurethane foam.49. A free-rise flexibile polyurethane foam: (i) having a density less than or equal to about 0.75 pcf , (ii) having a low exotherm during production , and (iii) being ...

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Номер записи: 66

17-03-2022 дата публикации

Reaction Mixture Suitable for Manufacturing of Foam with Reduced Aldehyde Emission

Номер: US20220081526A1

Автор: Bonami Lies, Bosman Joris, Luan Bao, Rong Zuxia, Zhang Yuefan

Принадлежит:

Disclosed is a reaction mixture for the manufacturing of a polyurethane foam, which mixture can be obtained by reacting a polyfunctional isocyanate with an isocyanate-reactive compound, in the presence of a scavenger and at least one catalyst; and curing such reaction mixture enables providing a foam with reduced aldehyde emissions particularly useful in means of transport, such as interior part of cars. 2. The reaction mixture according to claim 1 , wherein said scavenger predominantly contains said compound with formula (I) claim 1 , when added to the reaction mixture in aqueous condition.3. The reaction mixture according to claim 1 , wherein said scavenger is added to the reaction mixture at a temperature ranging from 18 to 45° C.4. The reaction mixture according to claim 1 , wherein R1 is —OR3.5. The reaction mixture according to claim 1 , wherein said scavenger is made of at least 90 wt % of said compound of formula (I) based on the total weight of said scavenger.6. The reaction mixture according to claim 1 , wherein Rand Rare linked to each other to form a 5 to 12 membered ring structure and comprise unsaturations claim 1 , aromatic rings and/or heteroatoms.7. The reaction mixture according to claim 1 , wherein said scavenger has a molecular weight of at most 3000 g/mol.8. The reaction mixture according to claim 1 , wherein the reaction mixture further comprises a blowing agent.9. The reaction mixture according to claim 1 , wherein the polyfunctional isocyanate is selected from a polymeric methylene diphenyl diisocyanate claim 1 , a methylene diphenyl diisocyanate isomer mixture claim 1 , or a mixtures thereof.10. The reaction mixture according to claim 1 , wherein the isocyanate-reactive compound is a polyfunctional polyol or a polyfunctional amine.12. The process according to claim 11 , wherein said scavenger predominantly contains said compound with formula (I) claim 11 , when added to the reaction mixture in aqueous condition.13. The process according to ...

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Номер записи: 67

11-03-2021 дата публикации

Polyurethane insulation foam composition comprising halogenated olefins and a tertiary amine compound

Номер: US20210070917A1

Автор: Khang Nguyen, Lifeng Wu, Sachchida N. Singh

Принадлежит: Huntsman International LLC

A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a tertiary amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.

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Номер записи: 68

24-03-2022 дата публикации

POLYURETHANE FOAM AND METHODS OF FORMING THE SAME

Номер: US20220089806A1

Автор: Dong Yue, GAO Qing

Принадлежит:

The subject application relates to polyurethane foam and methods of forming the same. A polyurethane foam may include a first polyol component and a second polyol component. The first polyol component may include a polyether polyol having a functionality of at least about 5. The second polyol component may include at least one component selected from the group of a polyether polyol having a functionality of not greater than about 4, and a polyester polyol having a functionality of not greater than about 4. 1. A polyurethane foam comprising:a first polyol component comprising a polyether polyol having a functionality of at least about 5; and [{'sup': '3', 'wherein the polyurethane foam comprises a density of not greater than about 200 kg/m,'}, {'sub': 70', '10', '70', '10, 'wherein the polyurethane foam comprises a compression curve ratio CFD/CFDof not greater than about 10, where CFDis equal to the compression force deflection (CFD) of the polyurethane foam measured at a 70% compression ratio and CFDis equal to the compression force deflection (CFD) of the polyurethane foam measured at a 10% compression ratio.'}], 'a second polyol component comprising at least one component selected from the group of a polyether polyol having a functionality of not greater than about 4, and a polyester polyol having a functionality of not greater than about 4,'}2. The polyurethane foam of claim 1 , wherein the polyurethane foam comprises a HBF rating based on a UL94 flame retardancy test performed at a polyurethane foam thickness of 1.0 mm.3. The polyurethane foam of claim 1 , wherein the polyurethane foam comprises a CFDof at least about 100 KPa and not greater than about 250 KPa.4. The polyurethane foam of claim 1 , wherein the polyurethane foam comprises a CFDof at least about 15 KPa and not greater than about 50 KPa.5. The polyurethane foam of claim 1 , wherein the polyurethane foam comprises a density of not greater than about 190 kg/m.6. The polyurethane foam of claim 1 , ...

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Номер записи: 69

16-03-2017 дата публикации

Inherent flame retardant rigid polyurethane foam

Номер: US20170073488A1

Автор: Birong Zeng, Cong Xie, Kaibin He, Lizong Dai, QI Li, Wei'ang Luo, Xianming Chen, Xinyu Liu, Yiting Xu, Yuanyuan Li

Принадлежит: XIAMEN UNIVERSITY

The present invention provides a kind of inherent flame retardant rigid polyurethane foam. The production formula comprises 100 to 105 pbw of polyether polyol and reactive phosphorus-containing flame retardant, 2.5 to 3.5 pbw of amine catalyst, 0.8 to 2.5 pbw of tertiary amine catalyst, 0.8 to 2.5 pbw of foam stabilizer, 0.5 to 1.5 pbw of blowing agent, 135 to 150 pbw of isocyanates, and 0.05 to 0.1 pbw of organo-metallic catalyst, wherein the reactive phosphorus-containing flame retardant is 9,10-dihydro-9-oxa-10-phosphaphenanthrene-4-hydroxybenzyl alcohol. The active monomers containing flame retarding elements are introduced into main chain and side chain of PU for modification, which permanently improves the flame retardancy of PU without obvious effect on other performance of PU matrix.

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Номер записи: 70

19-03-2015 дата публикации

Phosphoric ester preparations with reduced hygroscopicity

Номер: US20150080276A1

Автор: Heiko Tebbe, Jan-Gerd Hansel

Принадлежит: LANXESS DEUTSCHLAND GMBH

The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.

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Номер записи: 71

19-03-2015 дата публикации

Methods for making foams using blowing agents comprising unsaturated fluorocarbons

Номер: US20150080485A1

Автор: Allen Capron Sievert, Ekaterina N Swearingen, Joseph Anthony Creazzo, Mario Joseph Nappa

Принадлежит: Chemours Co FC LLC

Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.

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Номер записи: 72

16-03-2017 дата публикации

Conductive foam roll

Номер: US20170075253A1

Автор: Kunio Ito, Masanari Umeda, Motoharu Ishihara, Satoshi Suzuki

Принадлежит: Sumitomo Riko Co Ltd

Provided is a conductive foam roll having a high surface opening ratio that achieves both cleaning performance and low resistance. A conductive foam roll 10 includes a shaft body 12 and a conductive foam layer 14 around the shaft body 12 , wherein the conductive foam layer 14 has a surface opening ratio of 50% to 90%, and wherein the conductive foam layer 14 contains an ionic conductive agent that contains salt of diallyl-type ammonium cations, and at least one selected from the group consisting of N,N-bis(trifluoromethanesulfonyl)imide anions, and N,N-bis(fluorosulfonyl)imide anions.

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Номер записи: 73

05-06-2014 дата публикации

Closed-Loop Recycled Polyurethane Foam, Methods Of Manufacture and Products Therefrom

Номер: US20140155503A1

Автор: Rose Ann Ryntz, Terrence Marsh Mcroberts

Принадлежит: International Automotive Components Group North America Inc

The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.

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Номер записи: 74

18-03-2021 дата публикации

A polyisocyanate foam for sandwich panel with low processing temperature and enhanced adhesion

Номер: US20210079154A1

Автор: Lian Jiang Zhao, Mohamed Bouguettaya, Wei Jie Zhou, Xue Qing Li, YAN Sheng

Принадлежит: BASF SE

Described herein are a polyisocyanurate foam, its use in a sandwich panel, a sandwich panel including the foam, and a process for preparing the sandwich panel. The polyisocyanurate foam shows a good adhesion property even without adhesion promoter, improved processability of PIR systems at lower temperature (≤50° C.), and an improved flame resistance property.

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Номер записи: 75

31-03-2022 дата публикации

ISOCYANATE REACTIVE COMPOSITIONS

Номер: US20220098358A1

Автор: Letko Christopher S., Willumstad Thomas P., Zhou Weijun

Принадлежит: Dow Global Technologies LLC

Embodiments of the present disclosure are directed towards isocyanate reactive compositions that include a polyol and tris(4-hydroxyphenyl)methane alkoxylate. 1. An isocyanate reactive composition comprising:a polyol; andtris(4-hydroxyphenyl)methane alkoxylate, wherein the polyol is from 25 to 95 parts of the isocyanate reactive composition based upon 100 parts of a combination of the polyol and the tris(4-hydroxyphenyl)methane alkoxylate, and the tris(4-hydroxyphenyl)methane alkoxylate is from 5 to 75 parts of the isocyanate reactive composition based upon 100 parts of the combination of the polyol and the tris(4-hydroxyphenyl)methane alkoxylate.2. The isocyanate reactive composition of claim 1 , wherein the polyol is a polyester polyol claim 1 , a polyether polyol claim 1 , a polycarbonate polyol claim 1 , or a combination thereof.3. The isocyanate reactive composition of claim 1 , including an isocyanate claim 1 , wherein the isocyanate is from 50 to 500 parts of the isocyanate reactive composition based upon 100 parts of the combination of the polyol and the tris(4-hydroxyphenyl)methane alkoxylate.4. The isocyanate reactive composition of claim 1 , wherein the isocyanate reactive composition has an aromatic group content from 10 to 35 weight percent based upon a total weight of the polyol and the tris(4-hydroxyphenyl)methane alkoxylate.5. A cured product formed from curing the the isocyanate reactive composition of any one of - .6. The cured product of claim 5 , wherein the cured product is a plaque claim 5 , a foam claim 5 , or a film. Embodiments of the present disclosure are directed towards isocyanate reactive compositions, more specifically, embodiments are directed towards isocyanate reactive compositions that include a polyol and tris(4-hydroxyphenyl)methane alkoxylate.Cured materials may be utilized for a number of applications. For some applications, cured materials having one or more improved fire resistance properties are desired. There is continued ...

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Номер записи: 76

31-03-2022 дата публикации

Energy absorbing foam material and method of using thereof

Номер: US20220098382A1

Автор: Chenmin Liu, Jianping Han, Yong Zhu

Принадлежит: Nano and Advanced Materials Institute Ltd

The present invention provides an energy absorbing foam material includes at least one shape memory polymer foam having a non-impact resistant configuration in a first force-application time, an impact resistant configuration in a second force-application time at a working temperature, a first glass transition temperature equal to or lower than a working temperature in the first force-application time, and a second glass transition temperature higher than a working temperature in the second force-application time. A second elastic modulus of the shape memory polymer foam in the second force-application time is at least 10 times than a first elastic modulus of the shape memory polymer form in the first force-application time at the working temperature.

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Номер записи: 77

31-03-2022 дата публикации

METHOD FOR PREPARING POLYURETHANE FOAMS

Номер: US20220098383A1

Автор: Chen Bo, Chien Wei Liang, Liu Jin Lin, Liu Yinghao, Xi Bang Wei

Принадлежит:

Described herein is a method for preparing polyurethane foams, including (1) placing a reaction mixture into a pressurizable chamber, and (2) polymerizing the reaction mixture at an additional pressure, where the reaction mixture comprises an isocyanate, an isocyanate-reactive compound and a blowing agent, and the reaction mixture is placed into the pressurizable chamber at a packing factor of 2.0-4.0. Also described herein is a polyurethane foam prepared by such a method. 1. A method for preparing polyurethane foams , comprising:(1) placing a reaction mixture into a pressurizable chamber, and(2) polymerizing the reaction mixture at an additional pressure,wherein the reaction mixture comprises an isocyanate, an isocyanate-reactive compound and a blowing agent, and the reaction mixture is placed into the pressurizable chamber at a packing factor of 2.0-4.0.2. The method according to claim 1 , wherein the reaction mixture is placed into the pressurizable chamber at a packing factor of 2.5-3.5.3. The method according to claim 1 , wherein the additional pressure is 0.001 MPa-0.2 MPa.4. The method according to claim 1 , wherein the additional pressure comprises a pressure produced by adding gas into the pressurizable chamber.5. The method according to claim 4 , wherein the additional pressure is produced by adding gas into the pressurizable chamber before claim 4 , during and/or after the addition of the reaction mixture.6. The method according to claim 1 , wherein the isocyanates include tolylene diisocyanate (TDI) claim 1 , diphenylmethane diisocyanate (MDI) claim 1 , polymeric diphenylmethane diisocyanate (PMDI) claim 1 , 1 claim 1 , 5-Naphthalene diisocyanate (NDI) claim 1 , Dimethylbiphenyl diisocyanate (TODI) claim 1 , Hexamethylene diisocyanate (HDI) claim 1 , Isophorone diisocyanate (IPDI) claim 1 , Dicyclohexylmethane diisocyanate (H12MDI) claim 1 , Meta-tetramethylxylylene diisocyanate (TMXDI) claim 1 , isocyanate group terminated prepolymers claim 1 , or a ...

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Номер записи: 78

25-03-2021 дата публикации

POLYURETHANE FOAMS FOR COMFORT APPLICATIONS

Номер: US20210087322A1

Автор: Koonce William, Srivastava Yasmin

Принадлежит:

Flexible polyurethane foams are made by reacting a hydrophilic quasi-prepolymer, water and a polymer polyol in the presence of a silicone surfactant and an ethylene oxide/higher alkylene oxide block copolymer. The foams exhibit desirably low densities and compression sets, and have good thermal and moisture-wicking properties. The foams are useful in bedding and other comfort applications in which they are exposed to body heat and bear at least a portion of the weight of the user. The thermal and moisture wicking properties contribute to perceived comfort for the user. 1. A flexible polyurethane foam comprising a reaction product of a reaction mixture that comprisesa) an isocyanate-functional quasi-prepolymer, which isocyanate-functional quasi-prepolymer is a reaction product of at least one hydroxyl-terminated polymer of ethylene oxide with an excess of an organic polyisocyanate that includes at least 80 weight-% diphenylmethane diisocyanate of which diphenylmethane diisocyanate at least 50 weight-% is 4,4′-diphenylmethane diisocyanate, wherein the isocyanate-functional quasi-prepolymer has an isocyanate content of 5 to 15% by weight and contains 30 to 70 weight percent of oxyethylene units, based on the weight of the isocyanate-functional quasi-prepolymer,b) water,c) at least one polymer polyol comprising polymer particles dispersed in at least one base polyol,d) at least one silicone surfactant ande) at least one ethylene oxide/higher alkylene oxide block copolymer, whereini) the quasi-prepolymer constitutes 50 to 75% of the combined weights of components a-e;ii) water constitutes 15-41% of the combined weights of components a-e;iii) the at least one polymer polyol constitutes 8 to 20% of the combined weights of components a-e and the polymer particles constitute 0.5 to 8% of the combined weights of components a-e;iv) the at least one silicone surfactant constitutes 0.5 to 3% of the combined weights of components a-e andv) the at least one ethylene oxide/higher ...

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Номер записи: 79

29-03-2018 дата публикации

Semi-flexible foam formulations

Номер: US20180086888A1

Автор: Alberto Lora Lamia, François M. CASATI, Hamideh Ahmadloo, Irena AMICI-KROUTILOVA, Paul Cookson

Принадлежит: Dow Global Technologies LLC

Embodiments of the present disclosure are directed towards semi-flexible foam formulations that can be utilized to form semi-flexible foams. As an example, a semiflexible foam formulation can include a first polyether polyol having an average nominal hydroxyl functionality from 2 to 4 and a number average equivalent weight from 120 to 1500, a second polyether polyol having a having an average nominal hydroxyl functionality from 4 to 8 and a number average equivalent weight from 120 to 800, and a third polyether polyol having an average nominal hydroxyl functionality from 2 to 4 a number average equivalent weight from 200 to 500 and toluene diisocyanate.

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Номер записи: 80

05-05-2022 дата публикации

Methods and systems for producing a bio-based cosmetic sponge and blender

Номер: US20220133015A1

Автор: Philip Hamilton Sheridan, Rea Ann Silva

Принадлежит: Rea Deeming Beauty Inc

Systems, devices, and methods for a cosmetic sponge comprising: a prepolymer material and a bio-based material, where the prepolymer material and the bio-based material are reacted with an additive component comprising water and bio-based material dissolved in the water.

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Номер записи: 81

05-05-2022 дата публикации

CLEANING IMPLEMENT COMPRISING A MODIFIED OPEN-CELL FOAM

Номер: US20220133119A1

Автор: Pung David John, ROBERTS Megan Showell, Szeifert Johann Martin

Принадлежит:

The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.

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Номер записи: 82

05-05-2022 дата публикации

BRANCHED HARD- AND SOFT-BLOCK COPOLYMERS

Номер: US20220135746A1

Автор: Cocquet Clio, Pineau Quentin

Принадлежит: Arkema France

The invention relates to a branched copolymer containing rigid blocks and flexible blocks, wherein the branchings are made by a polyol residue binding rigid blocks of the copolymer,

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Номер записи: 83

19-06-2014 дата публикации

Antimicrobial bio polyurethane foam

Номер: US20140171529A1

Автор: Hyung-Won Jeon, Jeong-Seok Oh, Jun-ho Song, Seok-Hwan Kim

Принадлежит: Hyundai Dymos Inc, Hyundai Motor Co

Disclosed is an antimicrobial bio polyurethane foam, and more specifically abio polyurethane foam: which is polyurethane foam comprising a reaction product of a resin premix, which comprises biopolyol of about 5 to 20 wt %, and isocyanate; applied to a car seat and the like; and which is enhanced in an antimicrobial property through use of the biopolyol.

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Номер записи: 84

01-04-2021 дата публикации

SULPHUR-CONTAINING POLYESTER POLYOLS, THEIR PRODUCTION AND USE

Номер: US20210095072A1

Автор: COHEN Kathrin, KRONIG Sabrina, MENON Sindhu, RUEBENACKER Martin, Zarbakhsh Sirus

Принадлежит: BASF SE

The present invention relates to sulfur-containing polyester polyols and to the preparation and use thereof. 1. A polyester polyol , comprising an esterification product of:at least one dicarboxylic acid component A), wherein the at least one dicarboxylic acid component A) comprises at least one disulfide-containing dicarboxylic acid a-1); anda polyol component K) comprising at least one diol D), wherein the at least one diol (D), comprises at least one diol b-1) selected from the group consisting of cyclohexanedimethanol and hexane-1,6-diol.2. The polyester polyol of claim 1 , wherein the at least one dicarboxylic acid component A) additionally comprises a non-sulfur-containing dicarboxylic acid a-2).3. The polyester polyol of claim 1 , wherein the at least one dicarboxylic acid component A) additionally comprises terephthalic acid.4. The polyester polyol of claim 1 , wherein the at least one diol D) additionally comprises a further diol b-2).5. The polyester polyol of claim 1 , wherein the polyol component K) additionally comprises at least one polyhydric alcohol C) having a functionality greater than 2.6. The polyester polyol of claim 1 , wherein at least one of the at least one disulfide-containing dicarboxylic acid a-1) is an aliphatic disulfide-containing dicarboxylic acid.7. The polyester polyol of claim 6 , wherein the at least one disulfide-containing dicarboxylic acid a-1) is 3-(2-carboxyethyldisulfanyl)propanoic acid.8. The polyester polyol of claim 5 , wherein the at least one polyhydric alcohol C) is selected from the group consisting of glycerol claim 5 , trimethylolpropane (TMP) claim 5 , pentaerythritol claim 5 , reaction products thereof with an alkylene oxide claim 5 , and mixtures thereof.9. A process for preparing the polyester polyol of claim 1 , the processing comprising reacting the at least one diol D) with the polyol component K).10. The process of claim 9 , wherein no additional catalyst is used during the reaction.11. A process for ...

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Номер записи: 85

28-03-2019 дата публикации

Novel compositions for polyurethane applications

Номер: US20190092897A1

Автор: Anthony Maiorana, Ganapathy S. Viswanathan, Pravin Kukkala, Stephan Schröter

Принадлежит: Hexion Inc

A process comprising, consisting of, or consisting essentially of: foaming a reaction mixture containing at least one polyisocyanate and an isocyanate-reactive compound comprising at least one alkoxylated triazine-arylhydroxy-aldehyde condensate composition wherein the alkoxylated triazine-arylhydroxy-aldehyde condensate composition is a reaction product of a triazine-arylhydroxy-aldehyde condensate and at least one alkylene carbonate, is disclosed.

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Номер записи: 86

06-04-2017 дата публикации

Polyols for thermoset and thermoplastic applications of lignin

Номер: US20170096519A1

Автор: Eric Kurple

Принадлежит: Individual

A composition comprising: lignin, a polyol carrier compound and an isocyanate is disclosed. The lignin being mixed with the polyol carrier compound. The polyol carrier compound is selected from the group consisting of TCPP, TECP, TMCP, TDCP, etholoxylated and propoxylated phenols, tris-chloroisopropyl phosphate, amino methyl propanol , glycerin carbonate, polyether modified polysiloxanes, bromophthalic anhydride derivatives, propanediols; bromine, chlorine and/or phosphorus based fire retardents, epoxies, glycerins, sugar, glycols, certain natural oil based polyols and ethoxylated and or propoxylated alcohols. The lignin-polyol carrier compound mixture is reacted with the isocyanate producing a foam, plastic or other material. For a thermoplastic solid the same polyol carrier compounds are used but in higher percentages of lignin.

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Номер записи: 87

08-04-2021 дата публикации

Charging roller

Номер: US20210103228A1

Автор: Manami MORIOKA

Принадлежит: Bridgestone Corp

Provided are a charging roller excellent in charging characteristics (charging property/charge imparting property), elasticity/flexibility, durability, and filming resistance, and an image forming apparatus using the charging roller. The charging roller includes a shaft, and at least a base layer and a surface layer on an outer peripheral portion of the shaft in a radial direction, where the surface layer contains large-particle size particles and small-particle size particles having different average particle sizes and further contains hydrophilic particles; the water contact angle of the hydrophilic particles measured with a sessile drop technique is preferably more than 0 degree and 90 degrees or less and more preferably 50 degrees or more and 90 degrees or less; the large-particle size particles are large-particle size acrylic resin particles; the small-particle size particles are small-particle size acrylic resin particles; and the hydrophilic particles are hydrophilic silica particles.

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Номер записи: 88

21-04-2016 дата публикации

Polyurethane composites comprising nanocrystalline cellulose and method for improving properties of polyurethanes thereof

Номер: US20160108236A1

Автор: Alain Granger, Richard Berry

Принадлежит: Celluforce Inc

The disclosure relates to polyurethane composites comprising nanocrystalline cellulose and method for improving properties of polyurethanes thereof.

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Номер записи: 89

02-04-2020 дата публикации

Automotive seat made from epoxidized soy oil

Номер: US20200102418A1

Автор: Asad S. Ali, Calton B. Spivey, Matthew Phillips, Paul Fielding, Robert D. Dawe, Virgil Kowalski, Zhijie Zhang

Принадлежит: Lear Corp

A composition for forming polyurethane foams is provided using epoxidized triglycerides with unopened rings. The composition further includes a polyol, a blowing agent, and a catalyst that catalyzes the reaction of polyols with isocyanates to form polyurethanes. The polyol is a polyoxyalklylene and the epoxidized triglyceride is an epoxidized soybean oil. A method for forming polyurethane foam using the aforementioned composition is also provided.

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Номер записи: 90

26-04-2018 дата публикации

Tire with reduced cavity noise

Номер: US20180111428A1

Автор: Byeong Ho Seo, Chang Hwan Kang, Hak Joo KIM, Ju Geon Park

Принадлежит: Hankook Tire Co Ltd

Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside an inner liner, and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes polyether containing an alkoxysilane substituent group in a main chain, rather than, at an end. The tire with reduced cavity noise is stable without causing separation of a sound absorber even heating and deformation during driving.

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Номер записи: 91

26-04-2018 дата публикации

Article comprising tubular particles

Номер: US20180112053A1

Автор: Brad J. Martin

Принадлежит: BASF SE

This disclosure provides an article having a density of from 0.03 to 0.45 g/cc and including a plurality of anisotropic tubular particles that are randomly oriented in the article. The tubular particles include a thermoplastic elastomer foam and a polymer disposed on an exterior surface of the thermoplastic elastomer foam as an outermost layer of the particles. Each of the thermoplastic elastomer foam and the polymer independently has a softening temperature determined according to DIN ISO306. The softening temperature of the polymer is at least 5° C. lower than the softening temperature of the thermoplastic elastomer foam.

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Номер записи: 92

26-04-2018 дата публикации

Aerogel materials and methods for their production

Номер: US20180112054A1

Автор: Justin S. Griffin, Ryan T. Nelson, Stephen A. Steiner, Iii

Принадлежит: Aerogel Technologies LLC

The present disclosure generally relates to aerogel materials and methods for producing them.

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Номер записи: 93

09-06-2022 дата публикации

SURFACTANT-FREE FILLED POLYURETHANE FOAM AND METHOD OF MAKING SAME

Номер: US20220177637A1

Автор: Ai Li, CROCCO Guy, HILL Russell, Kumar Amitabha, Lakrout Hamed, Majors Russ, Shaw Brian

Принадлежит: WESTLAKE ROYAL BUILDING PRODUCTS INC.

Polyurethane foams and methods of manufacturing are described herein. The foam can include (a) a polyurethane formed by the reaction of (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, and (ii) one or more polyols; and (b) a filler. The amount of filler in the foam can be from 50 to 90% by weight, based on the total weight of the foam. The filler can include a plurality of fibers and/or a particulate filler. The polyurethane foams described herein are made without adding a surfactant to the reaction mixture. The density of the polyurethane foam can be at least 5 lb/ft. 158-. (canceled)59. A filled polyurethane foam comprising:polyurethane; andfrom 50% to 80% by weight, based on a total weight of the filled polyurethane foam, of an inorganic particulate filler comprising calcium carbonate;{'sup': 3', '3', '3', '3, 'wherein the filled polyurethane foam has a flexural strength ranging from 400 psi to 1400 psi, a density ranging from 10 lb/ft, to 35 lb/ft, or both a flexural strength ranging from 400 psi to 1400 psi, a density ranging from 10 lb/ft, to 35 lb/ft.'}60. The filled polyurethane foam of claim 59 , wherein the filled polyurethane foam further comprises from 3% to 5% by weight of a plurality of fibers claim 59 , based on the total weight of the filled polyurethane foam.61. The filled polyurethane foam of claim 60 , wherein the plurality of fibers includes a glass fibers claim 60 , polyalkylene fibers claim 60 , polyester fibers claim 60 , polyamide fibers claim 60 , phenol-formaldehyde fibers claim 60 , polyvinyl chloride fibers claim 60 , polyacrylic fibers claim 60 , acrylic polyester fibers claim 60 , polyurethane fibers claim 60 , polyacrylonitrile fibers claim 60 , rayon fibers claim 60 , cellulose fibers claim 60 , carbon fibers claim 60 , metal and metal-coated fibers claim 60 , mineral fibers claim 60 , or combinations thereof.62. The filled polyurethane foam of claim 60 , wherein ...

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Номер записи: 94

09-06-2022 дата публикации

Methods for producing flame-retardant pur/pir foam materials

Номер: US20220177638A1

Автор: Andre Neumann, Catherine Loevenich, Hans-Peter Huber, Horst-Josef Schaefer, Nicole WELSCH, Rolf Albach, Stephan Schleiermacher

Принадлежит: Covestro Intellectual Property GmbH and Co KG

The invention relates to flame-retardant polyurethane foam materials or polyurethane/polyisocyanurate foam materials (also referred to individually or collectively as “PUR/PIR foam materials” below) and to methods for producing PUR/PIR foam materials by reacting a reaction mixture containing A1 an isocyanate-reactive component, A2 a propellant, A3 a catalyst, A4 optionally an additive, and A5 a flame retardant with B an isocyanate component, wherein the production is carried out using an index of 80 to 600. The invention is characterized in that the flame retardant A5 contains (hydroxymethyl)phosphonate and optionally the dimer thereof as component A5.1.

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Номер записи: 95

18-04-2019 дата публикации

Urethane foam system for molded articles

Номер: US20190112412A1

Автор: Richard L. House

Принадлежит: Jones and Vining Inc

The technology relates to a process for the production of a soft, viscoelastic polyurethane foam system. The process includes forming a reaction mixture the includes a resin blend and at least one isocyanate. The resin blend includes at least one polyol and a catalyst blend. The catalyst blend includes between about 0.5% to about 1.5% of a mixture of 1,4-butanediol and triethylene diamine and between about 0.005% to about 0.25% of bis (2-dimethylaminoethyl) ether. The process also includes mixing the resin blend and the at least one isocyanate at a ratio of between about 18 to about 32 parts of the at least one isocyanate to about 100 parts resin blend.

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Номер записи: 96

13-05-2021 дата публикации

PROCESS FOR PRODUCING POROUS MATERIALS

Номер: US20210139633A1

Автор: FRICKE Marc, Loelsberg Wibke, Movahhed Sohajl, Weinrich Dirk

Принадлежит: BASF SE

The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b), wherein the composition (A) comprises a catalyst system (CS) at least comprising a catalyst component (C) selected from the group consisting of ammonium salts and a carboxylic acid as catalyst component (C). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels and vacuum insulation systems, in particular in interior or exterior thermal insulation systems as well as for the insulation of refrigerators and freezers and in water tank or ice maker insulation systems. 116-. (canceled)17. A process for preparing a porous material , the process comprising: (i) a composition (A) comprising components suitable to form an organic gel and', '(ii) a solvent (B),, 'a) providing a mixture (I) comprising'}b) reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, andc) drying the gel obtained in b),wherein the composition (A) comprisesa catalyst system (CS) comprising a tetraalkylammonium salt as a catalyst component (C1) and a carboxylic acid as a catalyst component (C2), andat least one polyfunctional isocyanate as component (al).18. The process according to claim 17 , wherein the catalyst system (CS) comprises a tetraalkylammonium hydroxide as the catalyst component (C1).19. The process according to claim 18 , wherein the tetraalkylammonium hydroxide is selected from the group consisting of tetramethylammonium hydroxide claim 18 , tetra(n-butyl)ammonium hydroxide claim 18 , tetrapropylammonium hydroxide claim 18 , tetraethylammonium ...

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Номер записи: 97

13-05-2021 дата публикации

USE OF ACRYLIC ACID ESTERS AND AMIDES FOR REDUCING EMISSIONS OF A POLYURETHANE FOAM

Номер: US20210139634A1

Автор: Albach Rolf, Arntz Hans-Detlef, Venner Petra

Принадлежит:

The present invention relates to the use 1. A process for producing polyurethanes comprising reacting A) one or more compounds containing isocyanate-reactive hydrogen atoms with C) di- and/or polyisocyanates in the presence of B) one or more α ,β-unsaturated carboxylic esters and/or amides , wherein the resultant polyurethanes exhibit reduced aldehyde emissions as measured by the VDA 275 modified bottle method.3. The process as claimed in claim 2 , wherein component A) comprises:A1 one or more compounds containing isocyanate-reactive hydrogen atoms having an OH number according to DIN 53240 of ≥15 to <260 mg KOH/g,A2 optionally one or more compounds containing isocyanate-reactive hydrogen atoms having an OH number according to DIN 53240 of ≥260 to <4000 mg KOH/g,A3 water and/or physical blowing agents, a) catalysts,', 'b) surface-active additive substances,', 'wherein free-radical initiators and catalysts which catalyze a vinylic polymerization are excluded.', 'c) pigments and/or flame retardants,'}], 'A4 auxiliary and/or additive substances selected from'}6. A process for producing polyurethane foams comprising reacting claim 2 , A) one or more compounds containing isocyanate-reactive hydrogen atoms with a component C) comprising di- and/or polyisocyanates claim 2 , in the presence of B) one or more α claim 2 ,β-unsaturated carboxamides.7. The process as claimed in claim 6 , comprising reacting A) one or more compounds containing isocyanate-reactive hydrogen atoms with C) di- and/or polyisocyanates in the presence of B) one or more α claim 6 ,β-unsaturated carboxamides which comprise one or more compounds corresponding to the formula{'br': None, 'sup': 15', '16', '17', '18', '19, 'RRC═CR—C(O)—NR—R\u2003\u2003(IV.),'}wherein{'sup': 15', '19, 'Rto Rindependently of one another represent H, a saturated or unsaturated, linear or branched, aliphatic or cycloaliphatic or an aromatic or araliphatic radical having up to 20 carbon atoms, each of which is unsubstituted or is ...

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Номер записи: 98

13-05-2021 дата публикации

A process for producing a polyurethane foam insole

Номер: US20210139638A1

Автор: Yun Bang Zhong, Zhen Peng LIANG

Принадлежит: BASF SE

Described herein is a method for producing a PU foam insole, including the following steps of: (1) pouring the raw materials used to form a PU foam into a mould, reacting to obtain a PU sheet, where the height of the mould cavity is from about 1.0 to about 1.6 times of the total thickness of two finished insoles; (2) splitting the PU sheet into two halves in the horizontal direction to obtain two pieces of PU insole material, where one surface of the material has open pores, and the other surface of the material has a skin; and (3) attaching a piece of fabric onto the surface having open pores of the material obtained in step (2). Also described herein is a PU foam insole produced by the method.

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Номер записи: 99

13-05-2021 дата публикации

POROUS MATERIALS WITH SUPERIOR REVERSIBLE WATER UPTAKE

Номер: US20210139662A1

Автор: FRICKE Marc, Loelsberg Wibke, Nobis Marcel, Weinrich Dirk

Принадлежит: BASF SE

A process for preparing a porous material, including the steps of providing a mixture (I) containing a composition (A) containing components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b), wherein the composition (A) contains at least one compound (af) containing phosphorous and at least one functional group which is reactive towards isocyanates and at least one component (au) selected from the group consisting of urea, biuret, and derivatives of urea and biuret. 1. A process for preparing a porous material , the process comprising:reacting the components in the a composition (A) in the presence of a solvent (B) to form a gel, anddrying the gel obtained in step b),wherein the composition (A) comprisesa compound (af) comprising phosphorous and a functional group which is reactive towards isocyanates anda compound (au) selected from the group consisting of urea, biuret, and derivatives of urea and biuret.2. The process according to claim 1 , wherein the compound (au) is selected from the group consisting of urea claim 1 , dimethyl urea claim 1 , diphenyl urea claim 1 , ethylene urea claim 1 , dihydroxy ethylene urea claim 1 , propylene urea claim 1 , and biuret.3. The process according to claim 1 , wherein the composition (A) corrrprises the compound (af) in an amount which results in a phosphorous content in the porous material in a range of from 1 to 20% by weight.4. The process according to claim 1 , wherein the composition (A) comprises the compound (au) in an amount in the range of from 0.1 to 15% by weight.5. The process according to claim 1 , wherein the compound (af) comprises a functional group comprising phosphorous.6. The process according to claim 5 , wherein the compound (af) comprises a functional group comprising phosphorous selected from the group consisting of a phosphate claim 5 , a phosphonate claim 5 , a ...

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Номер записи: 100