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公开(公告)号：DE10237910A1
公开(公告)日：2004-02-26
申请号：DE10237910
申请日：2002-08-14
Applicant: BASF AG
Inventor： DINSCH STEFAN , WINKLER JUERGEN , PRETZSCH REGINA , KAMPF GUNNAR , BIEDERMANN ANJA , SEIFERT HOLGER
Abstract: A process for preparation of poletherols based solid starter substances by catalytic addition of alkylene oxides where at least one aqueous costarter solution is used, the solid starter substances are taken up and after final dewatering the starter mixture is alkoxylated in the melt is new. An Independent claim for a polyetherol based on solid starter substances obtainable as above.
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22.发明专利
公开(公告)号：CA2245291A1
公开(公告)日：1999-03-24
申请号：CA2245291
申请日：1998-09-23
Applicant: BASF AG
Inventor： SEIFERT HOLGER , HEMPEL RENATE , ROTERMUND UDO , SCHMIADE WERNER
Abstract: Thermally stable rigid foams based on isocyanate can be produced by reacting a) polyisocyanates with b) compounds containing at least two hydrogen atoms which can react with isocyanate groups, c) water, in the presence of d) physically acting blowing agents, in the presence or absence of e) catalysts and auxiliaries and/or additives, wherein the component b) comprises bi) at least one polyether alcohol having a functionality of at least 1.5 and a hydroxyl number of from 10 to 100 mg KOH/g in an amount of from 0.2 to 80% by mass, based on b), and bii)at least one polyester alcohol in an amount of from 5 to 90% by mass, based on b), the water c) is present in an amount of at most 2% by mass, based on the sum of the components b) to e), and the component d) used comprises hydrocarbons and/or fluorine-containing hydrocarbons in an amount of from 5 to 30% by mass, based on the sum of the components b) to e).
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公开(公告)号：HU9800529A2
公开(公告)日：1998-12-28
申请号：HU9800529
申请日：1998-03-10
Applicant: BASF AG
Inventor： BAUM EVA , KNORR GOTTFRIED , ROTERMUND UDO , SEIFERT HOLGER , WIEGMANN WERNER
Abstract: The production of rigid polyurethane (PUR) foam with a low bulk density (I) comprises reacting (a) polyisocyanates and/or modified polyisocyanates with (b) high-mol. wt. compound(s) with at least two reactive hydrogens and optionally (c) low-mol. wt. chain-extenders and/or crosslinkers in presence of (d) blowing agents, (e) catalysts and optionally (f) other additives etc. Component (d) consists of a mixture of (d-1) cyclopentane, (d-2) at least one 3-4C alkane and/or alkene which forms a homogeneous mixture with cyclopentane and (d-3) the carbon dioxide from the reaction of water and isocyanate. Component (b) comprises aromatic nitrogen-containing polyethers.
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公开(公告)号：MX9707293A
公开(公告)日：1998-08-30
申请号：MX9707293
申请日：1997-09-24
Applicant: BASF AG
Inventor： ROTERMUND UDO , HEMPEL RENATE , SEIFERT HOLGER , WIEGMANN WERNER
Abstract: En un proceso para producir espuma de poliuretano rígidas, que tienen resistencia mejorada a la distorsion por calor y conductividad térmica reducida, mediante la reaccion de a) poliisocianatos con b)compuestos que contienen átomos de hidrogeno reactivos con disposicion con isocianatos, en la presencia de c) agua, y, si desea, d) agentes espumantes que físicamente y e) catalizadores y auxiliares y/o aditivos conocidos, los compuestos b) que contienen átomos de hidrogeno reactivos a isocianatos, son una mezcla de poliol, que comprende b1) un poliol que se puede preparar mediante la adicion de oxido de etileno y/o oxido de propileno con un hexitol o una mezcla de hexitol, con el contenido de hexitol total de la mezcla de poliol siendo desde 15 hasta 30% en peso, en base a la mezcla de poliol, y b2) un poliol que se puede preparar mediante la adicion de oxido de etileno y/o oxido de etileno y/o oxido de propileno en una o más aminas aromáticas, con el contenido de amina total de la mezcla de poliol, siendo desde 1 hasta 10% en peso, en base a la mezcla de poliol, y la cantidad de la mezcla de poliol en el componente b) es desde 60 hasta 100 partes en masa, por 100 partes en masa del componente b).
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公开(公告)号：MX9602910A
公开(公告)日：1998-04-30
申请号：MX9602910
申请日：1996-07-22
Applicant: BASF AG
Inventor： SEIFERT HOLGER , HEMPEL RENATE , KNORR GOTTFRIED , ROTERMUND UDO
Abstract: En un proceso para producir espumas rígidas a base de isocianato, el agente hinchador usado es una mezcla de por lo menos un hidrocarburo de baja temperatura de ebullicion que tiene de 3 a 7 átomos de carbono, alcoholes monohídricos de bajo peso molecular que contienen grupos de hidroxilo primario o secundario y que tienen de 1 a 4 átomos de carbono y, si se desea, el dioxido de carbono formado de agua y el isocianato. Las espumas rígidas se pueden usar como un material de aislamiento.
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Patent Agency Ranking
公开(公告)号：CA2215150A1
公开(公告)日：1998-03-24
申请号：CA2215150
申请日：1997-09-23
Applicant: BASF AG
Inventor： SEIFERT HOLGER , WIEGMANN WERNER , ROTERMUND UDO , HEMPEL RENATE
Abstract: In a process for producing rigid polyurethane foams having improved heat distortion resistance and reduced thermal conductivity by reacting a) polyisocyanates with b) compounds containing hydrogen atoms reactive toward isocyanates, in the presence of c) water, and, if desired, d) physically acting blowing agents and e) catalyst and known auxiliaries and/or additives, the compounds b) containing hydrogen atoms reactive toward isocyanates are a polyol mixture comprising b1) a polyol which can be prepared by addition of ethylene oxide and/or propylene oxide onto a hexitol or a hexitol mixture, with the total hexitol content of the polyol mixture being from 15 to 30 % by weight, based on the polyol mixture, and b2) a polyol which can be prepared by addition of ethylene oxide and/or propylene oxide onto one or more aromatic amines, with the total amine content of the polyol mixture being from 1 to 10 % by weight, based on the polyol mixture, and the amount of the polyol mixture in the component b) is from 60 to 100 parts by mass per 100 parts by mass of the component b).
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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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公开(公告)号：DE10322784A1
公开(公告)日：2004-12-09
申请号：DE10322784
申请日：2003-05-19
Applicant: BASF AG
Inventor： DINSCH STEFAN , WINKLER JUERGEN , ZIELER RALF , HOEPPNER GERD , KAMPF GUNNAR , KNORR GOTTFRIED , SEIFERT HOLGER
Abstract: Production of polyetherols by catalytic adduction of alkylene oxides to initiator substances is such that (i) a tertiary amine catalyst and (ii) a basic alkali(ne earth)- based catalyst are used at 0.1-5% and 0.01-0.25% respectively, each amount based on the polyetherol weight, the weight ratio (i) : (ii) being 1 : 0.002-2.5. An independent claim is also included for polyetherols thus obtained and having a hydroxy number of 80-800 mg KOH/g and a functionality >=2.
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公开(公告)号：DE10156136A1
公开(公告)日：2003-06-05
申请号：DE10156136
申请日：2001-11-16
Applicant: BASF AG
Inventor： SEIFERT HOLGER , KLASSEN JOHANN , GIESKER CHRISTIANE
Abstract: Production of hard polyurethane foam comprises reacting a polyisocyanate with a compound having at least two isocyanate-reactive hydrogen atoms in the presence of a catalyst which is a 1,5-pentanediamine derivative (I). Production of hard polyurethane foam comprises reacting a polyisocyanate with a compound having at least two isocyanate-reactive hydrogen atoms in the presence of a catalyst which is a 1,5-pentanediamine derivative of formula (I). R , R , R , R = 1-10C alkyl, optionally forming rings; and R -R = H or 1-10C alkyl. An Independent claim is also included for polyurethane foam with reduced odor produced as above.
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