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公开(公告)号：AT239046T
公开(公告)日：2003-05-15
申请号：AT96108629
申请日：1996-05-30
Applicant: BASF AG
Inventor： DINSCH STEFAN , PRETZSCH REGINA , WINKLER JUERGEN , GUETTES BERND , STEINCHEN KARL-HEINZ
Abstract: The prodn. of aromatic polyether-polyols (I) comprises alkoxylation at 70-135 degrees C and 0.1-1.0 MPa of an H-functional starter consisting of a mixt. of at least 95 wt% 2,3- and 3,4- toluylenediamine (TDA), 0.5-4 wt% 2,4- and 2,6-TDA and 0.1-1.5 wt% volatile fractions from TDA prodn. Also claimed are polyols (I) obtd. by this process.
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公开(公告)号：DE59406530D1
公开(公告)日：1998-09-03
申请号：DE59406530
申请日：1994-04-08
Applicant: BASF AG
Inventor： MEYER BAERBEL , MUELLER-HAGEN GERD DR , GUETTES BERND
IPC: C08F283/00 , C08F283/02 , C08G18/10 , C08G18/63
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公开(公告)号：MX9705666A
公开(公告)日：1998-02-28
申请号：MX9705666
申请日：1997-07-25
Applicant: BASF AG
Inventor： GUETTES BERND , LAMPERT KLAUS , KNORR GOTTFRIED , TISCHER GERLINDE , ZIELER RALF
Abstract: Se producen espumas de poliuretano rígidas haciendo reaccionar a) Diisocianatos orgánicos y/o orgánicos modificados y/o poliisocianatos con b) Polioles de poliéster específicos y/o polioles de éster de poliéter que pueden prepararse mediante policondensacion de ácido dicarboxílico con alcoholes polifuncionales utilizando tereftalatos de polialquileno y, si se desea, reaccion subsecuente con oxidos de alquileno inferior más si se desea, compuestos en peso molecular relativamente elevado adicionales, que contiene por lo menos dos átomos de hidrogeno reactivos y, si se desea, c) extendedores de cadena de peso molecular bajo y/o reticuladores en presencia de d) agentes de soplado e) catalizadores y, si se desea; f) auxiliares adicionales y/o aditivos, en donde los polioles de poliéster y/o polioles deéster de poliéter se preparan en una policondensacion en etapas, en donde la primera etapa se introduce tereftalato de polialquileno en adicion a los componentes de partida en la condensacion, a medida que se comienza y/o mientras que ésta se inicia y en por lo menos una etapa adicional, se adicionan substancias catalíticamente activas. Estas espumas de poliuretano rígidas se puede usar como material aislante para los sectores de refrigeracion y de energía a gran distancia, como material de emparedado en edificacion y construccion, y como soporte y material de formacion en el sector de muebles.
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公开(公告)号：DE4318120A1
公开(公告)日：1994-12-08
申请号：DE4318120
申请日：1993-06-01
Applicant: BASF AG
Inventor： HINZ WERNER DR , ZSCHIESCHE RUTH DR , LUTTER HEINZ-DIETER DR , VORSPOHL KLAUS DR , GUETTES BERND
Abstract: The invention relates to a process for the preparation of open-cell, flexible polyurethane foams using, as cell opener, a polyetherol which can be prepared by the addition reaction of ethylene oxide and propylene oxide onto hydroxyl-containing initiator substances with basic catalysis and which has a hydroxyl number of from 30 to 60 mg of KOH/g, an ethylene oxide content of from 60 to 80% by weight of the total amount of alkylene oxide, a primary hydroxyl group content of 70% of the total hydroxyl group content and a functionality of from 2.5 to 3.5.
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公开(公告)号：DE102007037643A1
公开(公告)日：2008-03-13
申请号：DE102007037643
申请日：2007-08-10
Applicant: BASF AG
Inventor： GUETTES BERND , PRADEL SILKE , WETTERLING MONIKA
IPC: C08G18/48 , C09D5/34 , C09J175/08
Abstract: A method for the production of polyurethanes (I) for glueing organic building materials, especially natural materials, by reacting (a) polyiso-cyanates with (b) compounds containing isocyanate-reactive hydrogens, in which (b) contains (b1) polyether-alcohol(s) obtained by reacting alkylene oxides with starter substances containing H-functional compounds (II) which are chemically similar to those in the organic building material. Independent claims are included for (1) polyurethanes obtained by this method for processing organic building materials (2) polyurethane adhesives, stoppers and filling compounds obtained by this method .
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Patent Agency Ranking
公开(公告)号：DE10357531A1
公开(公告)日：2005-07-07
申请号：DE10357531
申请日：2003-12-08
Applicant: BASF AG
Inventor： GUETTES BERND , ZIELER RALF , WETTERLING MONIKA , SCHUSTER MARITA , KNORR GOTTFRIED , OSTROWSKI THOMAS
Abstract: In the production of polyether alcohols (I) by reacting polyethylene imines (II) with alkylene oxides (III), part or all of (II) is dosed into the reaction mixture during reaction with (III).
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公开(公告)号：DE59812323D1
公开(公告)日：2005-01-05
申请号：DE59812323
申请日：1998-10-09
Applicant: BASF AG
Inventor： GUETTES BERND , LAMPERT KLAUS DR , TISCHER GERLINDE , BERGER ELKE
Abstract: Polyester alcohols (I) are prepared by condensation of: (A) carboxylic acids and/or carboxylic acid derivatives comprising (A1) aromatic and/or araliphatic carboxylic acids having at least 2 carboxyl groups and/or derivatized carboxyl groups (A2) aliphatic multifunctional carboxylic acids having at least 2 carboxyl groups and/or derivatized carboxyl groups and (A3) mono-carboxylic acids and/or mono-carboxylic acid derivatives with; (B) alcohols. Independent claims are included for: (i) a process for the production of polyisocyanate-polyaddition products (II) by reaction of isocyanates with isocyanate reactive compounds, optionally in the presence of propellants, catalysts and/or processing aids and/or additives whereby the isocyanate reactive compound contains (I); and (ii) the polyisocyanate-polyaddition product (II).
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公开(公告)号：ES2216082T3
公开(公告)日：2004-10-16
申请号：ES97111491
申请日：1997-07-08
Applicant: BASF AG
Inventor： GUETTES BERND , DINSCH STEFAN , STEINCHEN KARL-HEINZ , HOEPPNER GERD , WAGNER KLAUS , LARBIG HARALD
Abstract: A process for the production of flexible polyurethane foam comprises reacting: (a) optionally modified polyisocyanates with: (b) compounds with reactive hydrogens, and (c) optionally chain extenders and/or crosslinkers, in presence of: (d) blowing agents, (e) catalysts, (f) fire retardants, and optionally: (g) other additives etc. At least 10 wt% of the compounds used in this process comprises polyether-polyols obtained by base-catalysed reaction of lower alkylene oxides with hydroxy-functional starters and subjected, during or after alkylene oxides-addition and with a water content of not more than 0.1 wt.%, to distillation at temperatures above 49 degrees C.
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公开(公告)号：AT263201T
公开(公告)日：2004-04-15
申请号：AT99113978
申请日：1999-07-17
Applicant: BASF AG
Inventor： BERGER ELKE , TISCHER GERLINDE , GUETTES BERND , BUETTNER JOHANNES , LAMPERT KLAUS DR
IPC: C07C29/09 , C07C29/128 , C08G18/42 , C08G63/16 , C08G63/183 , C08G63/78 , C08J11/22
Abstract: Polyester polyol is prepared by polycondensation of an alcohol/ester mixture with a carboxylic acid mixture and polyalkylene terephthalate. Polyester polyols (I) based on alcohols and carboxylic acids and/or carboxylic acid derivatives as well as polyalkylene terephthalate are prepared by polycondensation of a raw material mixture containing (A) a mixture of one or more alcohols having at least 2 hydroxyl groups and 10-30 wt.% of a linear and/or cyclic ester compound, (B) a mixture of 10-33 wt.% succinic acid, 39-50 wt.% glutaric acid and 16-45 wt.% adipic acid and (C) polyalkylene terephthalate whereby the wt. ratio of (A):(B):(C) is 35-60:10-25:20-55.
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公开(公告)号：DK0819712T3
公开(公告)日：2004-04-13
申请号：DK97111491
申请日：1997-07-08
Applicant: BASF AG
Inventor： GUETTES BERND , STEINCHEN KARL-HEINZ , WAGNER KLAUS , DINSCH STEFAN , HOEPPNER GERD , LARBIG HARALD , LUTTER HEINZ-DIETER
Abstract: A process for the production of flexible polyurethane foam comprises reacting: (a) optionally modified polyisocyanates with: (b) compounds with reactive hydrogens, and (c) optionally chain extenders and/or crosslinkers, in presence of: (d) blowing agents, (e) catalysts, (f) fire retardants, and optionally: (g) other additives etc. At least 10 wt% of the compounds used in this process comprises polyether-polyols obtained by base-catalysed reaction of lower alkylene oxides with hydroxy-functional starters and subjected, during or after alkylene oxides-addition and with a water content of not more than 0.1 wt.%, to distillation at temperatures above 49 degrees C.
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