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公开(公告)号:MX2007002766A
公开(公告)日:2008-03-05
申请号:MX2007002766
申请日:2005-09-20
Applicant: BASF AG
Inventor: ELING BEREND , HARRE KATHRIN , RUPPEL RAIMUND
Abstract: La invencion se refiere al metodo para producir materiales de espuma de poliuretano suave, en particular materiales de espuma de poliuretano suave de poliuretano, haciendo reaccionar a) poli-isocianatos con b) compuestos que tienen por lo menos dos atomos de hidrogeno reactivos con grupos isocianato. La invencion se caracteriza porque b) por lo menos un alcohol de polieter, que puede producirse por medio de un catalizador de DMC bi) que tiene un numero de hidroxilos en la region de 15 a 35 mg KOH/g, un contenido de oxido de etileno en la region de 5 a 18 % en peso, en relacion con el peso total del alcohol de polieter, y un bloque extremo hecho de oxido de etileno de entre 25 a 75 % en peso, en relacion con la cantidad de oxido de alquileno en el bloque extremo, se usa como compuestos que tienen por lo menos dos atomos de hidrogeno que son reactivos con los grupos isocianato.
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公开(公告)号:DE102004047406A1
公开(公告)日:2006-03-30
申请号:DE102004047406
申请日:2004-09-28
Applicant: BASF AG
Inventor: HARRE KATHRIN , RUPPEL RAIMUND , ELING BEREND
Abstract: The invention relates to a process for producing flexible polyurethane foams, in particular molded flexible polyurethane foams, by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein at least one polyether alcohol bi) which has been prepared by means of a DMC catalyst and has a hydroxyl number in the range from 15 to 35 mg KOH/g, and ethylene oxide content in the range from 5 to 18% by weight, based on the total weight of the polyether alcohol and an end block of ethylene oxide and propylene oxide having an ethylene oxide content of from 25 to 75% by weight, based on the amount of alkylene oxide in the end block, is used as compound b) having at least two hydrogen atoms which are reactive toward isocyanate groups.
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公开(公告)号:MXPA05012694A
公开(公告)日:2006-02-22
申请号:MXPA05012694
申请日:2004-06-04
Applicant: BASF AG
Inventor: ELING BEREND
Abstract: La invencion se refiere a poliuretanos termoplasticos expandibles que pueden ser producidos mediante la mezcla de poliuretanos termoplasticos con microesferas expandibles, que se caracterizan porque las microesferas expandibles tienen una densidad TMA inferior a 10 kg/m3.
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公开(公告)号:DE10326138A1
公开(公告)日:2004-12-23
申请号:DE10326138
申请日:2003-06-06
Applicant: BASF AG
Inventor: LEBERFINGER MARCUS , GUENTHER CARSTEN , ELING BEREND
Abstract: The invention relates to expandable thermoplastic polyurethanes, capable of preparation via mixing of thermoplastic polyurethanes with expandable microspheres, wherein the expandable microspheres have a TMA density smaller than 10 kg/m 3 .
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公开(公告)号:DE10340541A1
公开(公告)日:2005-03-24
申请号:DE10340541
申请日:2003-09-01
Applicant: BASF AG
Inventor: DROEGE THOMAS , BOOS JUERGEN , LUENNE STEFANIE , ELING BEREND
IPC: B32B11/00 , B32B11/08 , B32B15/08 , B32B17/04 , B32B27/04 , B32B27/40 , B63B3/14 , B63B5/24 , B32B31/12
Abstract: The invention relates to composite components with the following layered structure: (i) between 0.05 mm and 2 mm metal; (ii) between 0.1 mm and 2 mm polyisocyanate-polyaddition products, which are present in a support; (iii) between 0.05 mm and 2 mm metal.
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公开(公告)号:MX2007002696A
公开(公告)日:2007-05-16
申请号:MX2007002696
申请日:2005-09-20
Applicant: BASF AG
Inventor: ELING BEREND , ROTERMUND INGE , HARRE KATHRIN , RUPPEL RAIMUND
Abstract: La invencion se refiere a un metodo para producir materiales de espuma suave de poliuretano, en materiales de espuma suave en forma de poliuretano particular, haciendo reaccionar a) poliisocianatos con compuestos b) que tienen por lo menos dos grupos hidrogeno que reaccionan con grupos isocianato. La invencion se caracteriza porque los componentes contienen b), b1a) por lo menos un alcohol particular, que contiene un bloque extremo el cual se almacena por medio de un catalizador de DMC, dicho bloque extremo estando hecho de unidades de oxido de etileno que tienen un maximo de 10% en peso, en relacion con el peso del oxido de alquileno almacenado por medio de catalizadores de DMC, y/o b1b) por lo menos un alcohol de polieter que contiene una mezcla terminal de oxido de etileno y oxido de propileno que tienen un contenido de oxido de etileno en la mezcla de por lo menos 25% en peso, almacenado por medio de catalizadores de DMC, b2a) ademas de ser por lo menos un alcohol de polieter que contiene subsecuentemente unidades de oxido de propileno, y/o b2b) por lo menos un alcohol de polieter de injerto.
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公开(公告)号:DE102004022683A1
公开(公告)日:2005-11-24
申请号:DE102004022683
申请日:2004-05-05
Applicant: BASF AG
Inventor: WIND MICHAEL , KREYENSCHMIDT MARTIN , ELING BEREND , SPERBER TIMO
Abstract: A method for the production of polyurea spray elastomers from polyisocyanates and amines, in which the polyisocyanate component is a prepolymer derived from 2,4-diphenylmethanedi-isocyanate (2,4-MDI) or a mixture of 2,4-MDI and 4,4-MDI containing at least 50 wt% 2,4-MDI, optionally together with other MDI-based isocyanates. A method for the production of polyurea spray elastomers (I) by reacting (a) polyisocyanates with (b) amines, in which (a) comprises (ai) reaction products of compounds containing at least two NCO-reactive hydrogens with 2,4-MDI or a mixture of 2,4-MDI and 4,4-MDI containing at least 50 wt 2,4-MDI, optionally together with (aii) mixtures of MDI and polymethylene-polyphenylene-polyisocyanates and/or (aiii) isomers of MDI which may be modified with groups other than urethane, and (b) is a mixture of (bi) polyether-amine(s) and (bii) other prim. or sec. amine(s) as chain extender(s). An independent claim is also included for polyurea spray elastomers (I) obtained by this method.
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公开(公告)号:DE10314762A1
公开(公告)日:2004-10-14
申请号:DE10314762
申请日:2003-03-31
Applicant: BASF AG
Inventor: LUTTER HEINZ-DIETER , ELING BEREND , MUELLER JENS , BRUCHMANN BERND , WAGNER KLAUS
Abstract: A polyisocyanate component used for the production of flexible polyurethane foam with water as blowing agent comprises a mixture of a prepolymer obtained by reacting excess MDI with non-polar polyether-polyol(s) and a prepolymer obtained by reacting excess MDI with polar polyether-polyol(s). A method for the production of flexible polyurethane foam by reacting (a) polyisocyanates with (b) compounds with at least two NCO-reactive hydrogens in presence of (c) water as blowing agent, in which component (a) is a mixture of (ai) a prepolymer obtained by reacting MDI with less than the stoichiometric amount of non-polar polyether-polyol(s) and (aii) a prepolymer obtained by reacting MDI with less than the stoichiometric amount of polar polyether-polyol(s). An independent claim is also included for flexible polyurethane foam obtained by this method.
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公开(公告)号:MX2007004388A
公开(公告)日:2007-06-07
申请号:MX2007004388
申请日:2005-10-12
Applicant: BASF AG
Inventor: SEIFERT HOLGER , EMGE ANDREAS , MALOTKI PETER , ELING BEREND , BIEDERMANN ANJA
Abstract: La invencion se refiere a un metodo para la produccion de espumas de poliuretano rigidas por reaccion de a) poliisocianatos con b) compuestos con atomos de hidrogeno que son por lo menos reactivos con grupos isocianato en presencia de c) agentes sopladores, caracterizado porque los compuestos con atomos de hidrogeno que son por lo menos reactivos con grupos isocianato comprenden bi 1) por lo menos un alcohol de polieter iniciado con sacarosa y/o sorbitol con una funcionalidad mayor de 4 y un numero de hidroxi en la escala entre 400 y 550 mg de KOH/g, bi2) por lo menos un alcohol de polieter iniciado con TDA con un numero de hidroxi entre 120 y 240 mg de KOH/g y un contenido de aromaticos de 6.5 a 15% en peso, o un alcohol de polieter iniciado con TMP con un numero de hidroxi de 120 a 240 mg de KOH/g y, opcionalmente, bi3) por lo menos un alcohol de polieter iniciado con un alcohol bi- o trifuncional con un numero de hidroxi de 300 a 600 mg de KOH/g.
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公开(公告)号:DE102004051102A1
公开(公告)日:2006-04-27
申请号:DE102004051102
申请日:2004-10-19
Applicant: BASF AG
Inventor: ELING BEREND , BIEDERMANN ANJA , EMGE ANDREAS , MALOTKI PETER VON , SEIFERT HOLGER
Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least hydrogen atoms which are reactive toward isocyanate groups, in the presence of c) blowing agents, wherein the compounds having at least hydrogen atoms which are reactive toward isocyanate groups comprise bi1) at least one polyether alcohol which has been initiated by means of sucrose and/or sorbitol and has a functionality of greater than 4 and a hydroxyl number in the range from 400 to 550 mg KOH/h, bi2) at least one polyether alcohol which has been initiated by means of TDA and has a hydroxyl number in the range from 120 to 240 mg KOH/g and an aromatics content in the range from 6.5 to 15% by weight, or a polyether alcohol which has been initiated by means of TMP and has a hydroxyl number in the range from 120 to 240 mg KOH/g, and, if appropriate, bi3) at least one polyether alcohol which has been inititated by means of a bifunctional or trifunctional alcohol and has a hydroxyl number in the range from 300 to 600 mg KOH/g.
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