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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 26. Отображено 26.
27-05-2014 дата публикации

Aqueous cold-cure flexible stabilizer formulations

Номер: US0008735458B2

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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26-04-2007 дата публикации

PROCESS FOR THE PREPARATION OF POLYURETHANE COLD CURE FOAMS

Номер: US20070093565A1
Принадлежит: Goldschmidt GmbH

The invention relates to a process for the preparation of polyurethane cold cure foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of from about 4800 to 6500 g/mol and at least 70% of primary hydroxyl groups and optionally contain fillers, and polyfunctional isocyanates, amine activators, crosslinking agents, tin catalysts, blowing agents and stabilizers, wherein the stabilizers used are compounds of the general formula (1) the proportion of siloxanes with N>9 being higher than 10% by weight and that with N>12 being equal to or higher than 5% by weight.

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14-02-2013 дата публикации

FORMULATION CONTAINING TIN AND/OR ZINC SALTS OF RICINOLEIC ACID, UREA, POLYETHYLENE GLYCOL AND SUGAR ALCOHOL AND USE OF THE FORMULATION IN THE PRODUCTION OF POLYURETHANE SYSTEMS

Номер: US20130041057A1
Принадлежит: EVONIK GOLDSCHMIDT GMBH

A formulation for the production of a polyurethane system, in particular a polyurethane foam, containing or consisting of tin and/or zinc ricinoleate(s), optionally tin carboxylate(s), a mixture containing or consisting of urea, sugar alcohol and polyethylene glycol, optionally organic solvent, one or more organic isocyanates having two or more isocyanate functions, one or more polyols having two or more groups which are reactive towards isocyanate, optionally further catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, water, optionally physical blowing agents, optionally flame retardants and optionally further additives, a process for the production of polyurethane systems, these polyurethane systems and their use.

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23-11-2010 дата публикации

Process for the preparation of polyurethane cold cure foams

Номер: US0007838566B2

The invention relates to a process for the preparation of polyurethane cold cure foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of from about 4800 to 6500 g/mol and at least 70% of primary hydroxyl groups and optionally contain fillers, and polyfunctional isocyanates, amine activators, crosslinking agents, tin catalysts, blowing agents and stabilizers, wherein the stabilizers used are compounds of the general formula (1) the proportion of siloxanes with N>9 being higher than 10% by weight and that with N>12 being equal to or higher than 5% by weight.

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19-06-2008 дата публикации

Aqueous cold-cure flexible stabilizer formulations

Номер: US20080146688A1
Принадлежит: Goldschmidt GmbH

The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises 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 ...

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06-11-2012 дата публикации

Aqueous cold-cure flexible stabilizer formulations

Номер: US0008303843B2

The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises 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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20-01-2022 дата публикации

NITROGEN-FREE AND LOW-NITROGEN CROSSLINKING ADDITIVES FOR COLD-CURE FLEXIBLE SLABSTOCK FOAM HAVING IMPROVED COMPRESSION AND AGING PROPERTIES

Номер: US20220017680A1
Принадлежит: Evonik Operations GmbH

Process for producing cold-cure flexible slabstock PU foams by reaction of at least one polyol component and at least one isocyanate component in the presence of water and at least one catalyst and at least one crosslinker, wherein no nitrogen-containing crosslinkers having an expanded OH number above 1000 mg KOH/g are employed in a total amount >0.5 parts by weight, preferably >0.1 parts by weight, based on 100 parts by weight of polyol.

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06-03-2013 дата публикации

Formulation containing tin and/or zinc salts of ricinoleic acid, urea, polyethylene glycol and sugar alcohol and use of the formulation in production of polyurethane systems

Номер: CN102952389A
Принадлежит:

The invention relates to a formulation containing tin and/or zinc salts of ricinoleic acid, urea, polyethylene glycol and sugar alcohol and use of the formulation in the production of polyurethane systems. The formulation for the production of a polyurethane system, in particular a polyurethane foam, containing or consisting of tin and/or zinc ricinoleate(s), optionally tin carboxylate(s), a mixture containing or consisting of urea, sugar alcohol and polyethylene glycol, optionally organic solvent, one or more organic isocyanates having two or more isocyanate functions, one or more polyols having two or more groups which are reactive towards isocyanate, optionally further catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, water, optionally physical blowing agents, optionally flame retardants and optionally further additives, a process for the production of polyurethane systems, these polyurethane systems and their use.

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14-02-2013 дата публикации

COMPOSITION CONTAINING TIN AND/OR ZINC SALTS OF RICINOLEIC ACID AND AT LEAST ONE FURTHER TIN CARBOXYLATE AND USE OF THE COMPOSITION IN THE PRODUCTION OF POLYURETHANE SYSTEMS

Номер: US20130041058A1
Принадлежит: EVONIK GOLDSCHMIDT GmbH

The invention relates to a composition, in particular a composition suitable for catalysis of the production of polyurethane systems, which is characterized in that the composition comprises at least one tin ricinoleate and/or zinc ricinoleate and at least one further tin carboxylate which is not a tin ricinoleate. 1. A composition comprising at least one tin ricinoleate , or at least one zinc ricinoleate or a combination of at least one tin ricinoleate and at least one zinc ricinoleate , and at least one further tin carboxylate which is not a tin ricinoleate.2. The composition according to claim 1 , wherein the mass ratio of the sum of the masses of the at least one tin ricinoleate and zinc ricinoleate to the sum of the mass of the further tin carboxylates is from 10:1 to 1:1.3. The composition according to claim 1 , wherein the tin carboxylates are selected from the group consisting of monocarboxylic acid salts having from 4 to 18 carbon atoms.4. The composition according to claim 1 , further comprising one or more tertiary amines claim 1 , one or more silicone stabilizers and/or one or more emulsifiers as further components.5. The composition according to claim 1 , further comprising one or more organic solvents.6. The composition according to claim 1 , wherein the composition is a catalyst system for catalyzing the production of a polyurethane system.7. A formulation for producing a polyurethane system claim 1 , said formulation comprising at least one tin ricinoleate claim 1 , or at least one zinc ricinoleate or a combination of at least one tin ricinoleate and at least one zinc ricinoleate claim 1 , and at least one further tin carboxylate which is not a tin ricinoleate claim 1 , one or more organic isocyanates having two or more isocyanate functions claim 1 , one or more polyols having two or more groups which are reactive toward isocyanate claim 1 , and water.8. The formulation according to claim 7 , further comprising a mixture of urea claim 7 , sugar ...

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21-03-2013 дата публикации

AQUEOUS COLD-CURE FLEXIBLE STABILIZER FORMULATIONS

Номер: US20130072585A1
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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27-06-2017 дата публикации

PUR foam with enlarged cell structure

Номер: US0009688830B2

Described are (a) a process for production of polyurethane foam by reacting one or more polyol components with one or more isocyanate components, wherein wax having a congealing point in the range from 40° C. to 90° C. is employed as an additive, (b) a polyurethane foam obtainable by said process, (c) the use of waxes having a congealing point in the range from 40° C. to 90° C. as an additive in the manufacture of polyurethane foams to coarsen the foam structure, and also (d) a polyurethane foam production composition containing a wax having a congealing point in the range from 40° C. to 90° C.

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10-03-2016 дата публикации

PUR FOAM WITH ENLARGED CELL STRUCTURE

Номер: US20160068647A1
Принадлежит: EVONIK DEGUSSA GmbH

Described are (a) a process for production of polyurethane foam by reacting one or more polyol components with one or more isocyanate components, wherein wax having a congealing point in the range from 40° C. to 90° C. is employed as an additive, (b) a polyurethane foam obtainable by said process, (c) the use of waxes having a congealing point in the range from 40° C. to 90° C. as an additive in the manufacture of polyurethane foams to coarsen the foam structure, and also (d) a polyurethane foam production composition containing a wax having a congealing point in the range from 40° C. to 90° C. 1. A process for production of polyurethane foam , said process comprising:reacting one or more polyol components with one or more isocyanate components in the presence of an additive, wherein the additive is a wax having a congealing point from 40° C. to 90° C.2. The process according to claim 1 , wherein the congealing point of the wax is from 50° C. to 85° C.3. The process according to claim 1 , wherein the wax is selected from mineral waxes claim 1 , synthetic waxes and mixtures thereof.4. The process according to claim 1 , wherein the wax has a microcrystalline structure.5. The process according to claim 1 , wherein the wax is present in an amount from 0.0001 to 5 parts by weight per 100 parts by weight of polyol.6. The process according to claim 1 , wherein the wax is in a dispersed form and is present in a dispersion medium claim 1 , said dispersion medium comprising at least one organic solvent.7. A polyurethane foam obtained by a according to .8. The polyurethane foam according to claim 7 , wherein said polyurethane foam is a polyurethane flexible foam claim 7 , a hot-cure flexible foam claim 7 , a rigid foam claim 7 , an ester foam claim 7 , a viscoelastic flexible foam or a high-resilience foam (HR foam).911.-. (canceled)12. A composition for production of polyurethane foam claim 7 , said composition comprising:at least one urethane and/or isocyanurate catalyst,at ...

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07-08-2014 дата публикации

COMPOSITION FOR USE IN THE MANUFACTURE OF POLYURETHANE SYSTEMS

Номер: US20140221518A1
Принадлежит: Evonik Industries AG

The invention relates to a composition for producing a polyurethane system, especially a polyurethane foam. The composition comprising one or more compounds comprising at least one 5- or 6-membered ring comprising one or two oxygen atoms and carbon atoms The present invention also relates to a process for producing polyurethane systems by using this composition as well as polyurethane systems obtained from such a process. The present invention also relates to the use of the polyurethane system of the present invention. 1. A composition for producing a polyurethane system comprising one or more compounds comprising at least one 5- or 6-membered ring comprising one or two oxygen atom(s) and carbon atoms.2. The composition according to claim 1 , further comprising tin and/or zinc ricinoleate(s) claim 1 , tin carboxylate(s) claim 1 , or polyethylene glycol claim 1 , and optionally a solvent.3. The composition according to claim 1 , further comprising a secondary amine.4. The composition according to claim 1 , further comprising one or more organic isocyanates having two or more isocyanate functions claim 1 , and one or more polyols having two or more isocyanate-reactive groups.5. The composition according to claim 1 , wherein said one or more compounds comprising a 5- or 6-membered ring are selected from the group consisting of 5- or 6-membered polyols comprising 4 OH groups or their mono- claim 1 , di- or triesters with a carboxylic acid claim 1 , or glyceryl carbonate.6. The composition according to claim 5 , wherein said 5- or 6-membered polyols comprising 4 OH groups or their mono- claim 5 , di- or triesters comprise maltitol claim 5 , sorbitan claim 5 , sorbitan monooleate claim 5 , sorbitan trioleate or isosorbide.7. A polyurethane system comprising a composition comprising one or more compounds comprising at least one 5- or 6-membered ring comprising one or two oxygen atom(s) and carbon atoms.8. The polyurethane system according to claim 7 , wherein said ...

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26-04-2007 дата публикации

Process for the preparation of polyurethane cold foams

Номер: DE102005050473A1
Принадлежит: Goldschmidt GmbH

Gegenstand der Erfindung ist ein Verfahren zur Herstellung von Polyurethan-Kaltschäumen durch Umsetzung eines Gemisches aus hochreaktiven Polyolen, welche üblicherweise ein mittleres Molekulargewicht zwischen etwa 4800 und 6500 g/mol und mindestens 70% primäre Hydroxylgruppen aufweisen und gegebenenfalls Füllstoffe enthalten, polyfunktionelle Isocyanate, Aminaktivatoren, Vernetzer, Zinnkatalysatoren, Treibmittel und Stabilisatoren, welches dadurch gekennzeichnet ist, dass man als Stabilisatoren Verbindungen der allgemeinen Formel (1) verwendet, DOLLAR F1 wobei der Anteil an Siloxanen mit N > 9 höher als 10 Gew.-% und N > 12 gleich oder höher als 5 Gew.-% ist. The invention relates to a process for the production of cold polyurethane foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight between about 4800 and 6500 g / mol and at least 70% primary hydroxyl groups and optionally contain fillers, polyfunctional isocyanates, amine activators, Crosslinking agents, tin catalysts, blowing agents and stabilizers, which is characterized in that compounds of the general formula (1) are used as stabilizers, DOLLAR F1, the proportion of siloxanes with N> 9 being greater than 10% by weight and N> 12 being equal to or is higher than 5% by weight.

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23-10-2014 дата публикации

PUR foam with coarsened cell structure

Номер: DE102013207117A1
Принадлежит: Evonik Industries AG

Es werden beschrieben (a) ein Verfahren zur Herstellung von Polyurethanschaum durch Umsetzung einer oder mehrerer Polyolkomponenten mit einer oder mehrerer Isocyanatkomponenten, wobei als Additiv Wachs mit einem Erstarrungspunkt im Bereich von 40°C bis 90°C eingesetzt wird, (b) ein nach diesem Verfahren erhältlicher Polyurethanschaum, (c) die Verwendung von Wachsen mit einem Erstarrungspunkt im Bereich von 40°C bis 90°C als Additiv bei der Herstellung von Polyurethanschäumen zur Vergröberung der Schaumstruktur sowie (d) eine ein Wachs mit einem Erstarrungspunkt im Bereich von 40°C bis 90°C enthaltende Zusammensetzung zur Herstellung von Polyurethanschaum. The following are described (a) a process for the production of polyurethane foam by reacting one or more polyol components with one or more isocyanate components, wax being used as an additive with a solidification point in the range from 40 ° C. to 90 ° C., (b) one after this Process available polyurethane foam, (c) the use of waxes with a solidification point in the range from 40 ° C to 90 ° C as an additive in the production of polyurethane foams to coarsen the foam structure, and (d) a wax with a solidification point in the range of 40 ° Composition containing C to 90 ° C for the production of polyurethane foam.

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11-02-2013 дата публикации

Composition containing tin and/or zinc salts of ricinoleic acid and at least one further tin carboxylate and use of the composition in the production of polyurethane systems

Номер: CA2785206A1
Принадлежит: EVONIK GOLDSCHMIDT GMBH

The invention relates to a composition, in particular a composition suitable for catalysis of the production of polyurethane systems, which is characterized in that the composition comprises at least one tin ricinoleate and/or zinc ricinoleate and at least one further tin carboxylate which is not a tin ricinoleate.

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26-06-2019 дата публикации

Pur foam with enlarged cell structure

Номер: EP2986661B1
Принадлежит: EVONIK DEGUSSA GmbH

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12-10-2009 дата публикации

Aqueous cold flexible foam stabilizer formulations for the production of highly elastic polyurethane cold flexible foams or cold flexible foam activator solutions.

Номер: MX2009006263A
Принадлежит: EVONIK GOLDSCHMIDT GMBH

El objeto de la invención se refiere a formulaciones acuosas de estabilizador de espuma flexible fría para utilizar en la producción de espumas flexibles de poliuretano frías altamente elásticas o para utilizar en la producción de soluciones de activador de espuma flexible fría para espumas flexibles de poliuretano frías, caracterizado porque una formulación acuosa de estabilizador de espuma flexible fría incluye los siguientes componentes: a) 0.1 a 80% en peso de cuando menos un compuesto de polisiloxano insoluble en agua con un peso molecular de cuando menos 300 a 10,000 g/mol, b) 2% en peso de agua, c) 0.1% en peso de tensoactivo, d) O a 10% en peso de aditivos seleccionados del grupo que incluye espesantes, anticongelantes, solventes orgánicos y/o biocidas, e) 0% en peso de siloxano(s) soluble(s) en agua, siendo que las partes en peso de los componentes antes mencionados se eligen de tal modo, que el total de las partes en peso de los componentes es de máximo 100% en peso, referido a la formulación acuosa de estabilizador de espuma flexible fría.

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19-06-2008 дата публикации

Aqueous cold flexible foam stabilizer formulations for the production of highly elastic polyurethane cold flexible foams or cold flexible foam activator solutions

Номер: WO2008071497A1
Принадлежит: EVONIK GOLDSCHMIDT GMBH

The object of the present invention is to provide aqueous cold flexible foam stabilizer formulations for use in the production of highly elastic polyurethane cold flexible foams or for use in the production of cold flexible foam activator solutions for highly elastic polyurethane cold foams, characterized in that an aqueous cold flexible foam stabilizer formulation comprises the following components a) 0.1 to 80 wt.% of at least one water-insoluble polysiloxane compound having a molecular weight of at least 300 to 10,000 g/mol, b) 2 wt.% water, c) 0.1 wt.% tenside, d) 0 to 10 wt.% additives, selected from the group comprising thickeners, anti-freeze agents, organic solvents and/or biocides, e) 0 wt.% water-soluble siloxane/s, wherein the weight percentage of the above-mentioned components is selected such that the total weight percentage of the components is a maximum of 100 wt.% in relation to the aqueous cold flexible foam stabilizer formulation.

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16-09-2009 дата публикации

Aqueous cold flexible foam stabilizer formulations for the production of highly elastic polyurethane cold flexible foams or cold flexible foam activator solutions

Номер: EP2099851A1
Принадлежит: EVONIK GOLDSCHMIDT GMBH

The object of the present invention is to provide aqueous cold flexible foam stabilizer formulations for use in the production of highly elastic polyurethane cold flexible foams or for use in the production of cold flexible foam activator solutions for highly elastic polyurethane cold foams, characterized in that an aqueous cold flexible foam stabilizer formulation comprises the following components a) 0.1 to 80 wt.% of at least one water-insoluble polysiloxane compound having a molecular weight of at least 300 to 10,000 g/mol, b) 2 wt.% water, c) 0.1 wt.% tenside, d) 0 to 10 wt.% additives, selected from the group comprising thickeners, anti-freeze agents, organic solvents and/or biocides, e) 0 wt.% water-soluble siloxane/s, wherein the weight percentage of the above-mentioned components is selected such that the total weight percentage of the components is a maximum of 100 wt.% in relation to the aqueous cold flexible foam stabilizer formulation.

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06-03-2019 дата публикации

Composition for use in the production of polyurethane systems

Номер: EP2762509B1
Принадлежит: EVONIK DEGUSSA GmbH

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21-01-2010 дата публикации

Process for the preparation of polyurethane cold foams

Номер: DE502006005570D1
Принадлежит: EVONIK GOLDSCHMIDT GMBH

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25-12-2012 дата публикации

aqueous cold flexible foam stabilizer formulations for the preparation of highly elastic polyurethane cold flexible foams or cold flexible foam activator solutions

Номер: BRPI0720045A2
Принадлежит: EVONIK GOLDSCHMIDT GMBH

FORMULAÇÕES AQUOSAS DE ESTABILIZADOR ESPUMAS FLEXÍVEIS A FRIO PARA A PREPARAÇçO DE ESPUMAS FLEXÍVEIS A FRIO DE POLIURETANO ALTAMENTE ELÁSTICAS OU DE SOLUÇÕES DE ATIVADOR DE ESPUMAS FLEXÍVEIS A FRIO. A presente invenção se refere a formulações aquosas de estabilizador de espumas flexíveis a frio para a aplicação na preparação de espumas flexíveis a frio de poliuretano altamente elásticas ou para a aplicação na preparação de soluções de ativador de espumas flexíveis a frio para espumas frias de poliuretano altamente elásticas, a qual é caracterizada pelo fato de que uma formulação aquosa de estabilizador de espumas flexíveis a frio compreende os seguintes componentes: a) 0,1 até 80% em peso de pelo menos um composto de polissiloxano insolúvel em água com um peso molecular de pelo menos 300 g/mol e 10.000 g/mol, b) 2% em peso de água, c) 0,1% em peso de tensoativo, d) O até 10% em peso de aditivos, selecionados a partir do grupo compreendendo espessantes, agentes de proteção contra o congelamento, solventes orgânicos e/ou biocidas, e) 0% em peso de siloxa no(s) solúvel(is) em água, sendo que a fração em peso dos componentes mencionados acima é selecionada de maneira tal que a fração em peso total dos componentes perfaça, no máximo, 100% em peso, em relação à formulação aquosa de estabilizador de espumas flexíveis a frio. WATER FORMULATIONS OF COLD FLEXIBLE COLD FOAMS FOR PREPARING HIGH ELASTIC POLYURETHANE COLD FLEXIBLE FOAMS OR COLD FLEXIBLE FOAM ACTIVATE SOLUTIONS. The present invention relates to aqueous cold flexible foam stabilizer formulations for application in the preparation of highly elastic polyurethane cold flexible foams or for the application in the preparation of cold flexible high foam polyurethane cold foam activator solutions. which is characterized by the fact that an aqueous cold flexible foam stabilizer formulation comprises the following components: a) 0.1 to 80% by weight of at least one water-insoluble polysiloxane compound having a molecular ...

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16-01-2022 дата публикации

Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging properties

Номер: CA3124230A1
Принадлежит: EVONIK OPERATIONS GMBH

"Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging properties" Process for producing cold-cure flexible slabstock PU foams by reaction of at least one polyol component and at least one isocyanate component in the presence of water and at least one catalyst and at least one crosslinker, wherein no nitrogen-containing crosslinkers having an expanded OH number above 1000 mg KOH/g are employed in a total amount > 0.5 parts by weight, preferably > 0.1 parts by weight, based on 100 parts by weight of polyol.

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13-08-2024 дата публикации

Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging properties

Номер: US12060451B2
Принадлежит: EVONIK OPERATIONS GMBH

Process for producing cold-cure flexible slabstock PU foams by reaction of at least one polyol component and at least one isocyanate component in the presence of water and at least one catalyst and at least one crosslinker, wherein no nitrogen-containing crosslinkers having an expanded OH number above 1000 mg KOH/g are employed in a total amount >0.5 parts by weight, preferably >0.1 parts by weight, based on 100 parts by weight of polyol.

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