公开(公告)号：DE19742013A1

公开(公告)日：1999-03-25

申请号：DE19742013

申请日：1997-09-24

Applicant: BASF AG

Inventor： HEINZ MARION ,  WIEGMANN WERNER ,  ROTERMUND UDO DR ,  BIEDERMANN ANJA DR ,  REICHELT MICHAEL

IPC: C08J9/02 ,  C08G18/28 ,  C08G18/48 ,  C08G18/66 ,  C08G101/00 ,  C08J9/14 ,  C08G18/36 ,  C08G18/42 ,  C08G18/79 ,  F25D23/06 ,  F16L59/00

Abstract: In a process for producing open-celled rigid foams by reacting a) polyisocyanates with b) compounds containing hydrogen atoms which are reactive toward isocyanates, in the presence of c) water, d) if desired, organic compounds acting as physical blowing agents, e) catalysts, auxiliaries and/or additives, the compounds containing reactive hydrogen atoms used are substances having the structure I: is 0-1 q is 0-15 r is 0-1 s is 0-15 t is 0-1 u is 0-10 v is 0-15 x is 1-5 y is 1-4 or mixtures of 1-3 where r+n NOTEQUAL 0 z is 0-3 zi is 0.1-3 R1 is an aliphatic structure without OH groups based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylolethane, glycerol, pentaerythritol, where these substances can also be used in the esterification as any mixture among one another and R1 can therefore also be a mixture of the corresponding structures, R2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid, R3 is an alcohol radical like R1.

公开(公告)号：DE19742010A1

公开(公告)日：1999-03-25

申请号：DE19742010

申请日：1997-09-24

Applicant: BASF AG

Inventor： ROTERMUND UDO DR ,  HEINZ MARION ,  BIEDERMANN ANJA DR ,  HEMPEL RENATE ,  WIEGMANN WERNER

IPC: C08J9/00 ,  C08G18/00 ,  C08G18/28 ,  C08G18/34 ,  C08G18/36 ,  C08G18/40 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14 ,  C09K23/34 ,  C08L75/06 ,  C08J9/18 ,  C08G18/48 ,  B01F17/34

Abstract: Storage-stable emulsion, used in the manufacture of fine celled hard foamed materials, contains a polyester alcohol propellant of specified formula as emulsifier. Emulsion contains: (a) compounds containing hydrogen atoms reactive towards isocyanates; (b) a polyester alcohol propellant of formula (I) as emulsifier; and (c) usual polyurethane catalysts, auxiliary aids and/or additives. (b) is emulsified in components (b) and (c). m = 0-15; n = 0-1; o = 0-15; p = 0-1; q = 0-15; r = 0-1; s = 0-15; t = 0-1; u = 0-10; v = 0-15; x = 1-5; y = 1-4 or mixtures between 1-3 with r + n is not 0; R1 = aliphatic structure based on the structure of multivalent alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol 1,2-propylene glycol, and dipropylene glycol; 1,4-butane diol, 1,6-hexane diol, neopentyl glycol, 1,3-butane diol, trimethylol propane, trimethylol ethane, glycerin, pentaerythrite; R2 = polycarboxylic acid without COOH groups, e.g. adipic acid, terephthalic acid, or o-phthalic acid; and R3 = alcohol as in R1.

公开(公告)号：DK0832909T4

公开(公告)日：2015-07-13

申请号：DK97116522

申请日：1997-09-23

Applicant: BASF AG

Inventor： ROTERMUND UDO DR ,  HEMPEL RENATE ,  SEIFERT HOLGER DR ,  WIEGMANN WERNER

IPC: C08G18/48 ,  C08J9/12 ,  C08G18/06 ,  C08G18/50 ,  C08G101/00

公开(公告)号：CA2683529A1

公开(公告)日：2008-11-20

申请号：CA2683529

申请日：2008-05-16

Applicant: BASF AG

Inventor： RAMAN VIJAY IMMANUEL ,  EMGE ANDREAS ,  SCHAEDLER VOLKER ,  FRICKE MARC ,  SANCHEZ-FERRER ANTONIO ,  WIEGMANN WERNER

IPC: C08G18/32 ,  C08G18/76

Abstract: The invention relates to a xerogel comprising: 30 to 90 wt.% of a monomer component (a1) of at least one polyfunctional isocyanate and from10 to 70 w t.% of a monomer component (a2) of at least one polyfunctional aromatic amin e, of which at least one is selected from 4,4'-diaminodiphenylmethane, 2,4'- diaminodiphenylmethane, 2,2'-diaminodiphenylmethane and oligomeric diaminodi phenylmethane, wherein the sum of the wt.% of the monomer components (a1) an d (a2) is 100 wt.% and the monomer components are present in the xerogel in the polymeric form and the volume-weighted mean pore diameter of the xerogel is a maximum of 5 .mu.m. The invention further relates to a method for prod uction of xerogels, the xerogels obtained thus and the use of said xerogels as insulation and in vacuum insulation panels.

公开(公告)号：ES2234061T3

公开(公告)日：2005-06-16

申请号：ES98117893

申请日：1998-09-22

Applicant: BASF AG

Inventor： ROTERMUND UDO DR ,  HEINZ MARION ,  BIEDERMANN ANJA ,  HEMPEL RENATE E ,  WIEGMANN WERNER

IPC: C08G18/00 ,  C08G18/28 ,  C08G18/34 ,  C08G18/36 ,  C08G18/40 ,  C08J9/00 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14 ,  C09K23/34

Abstract: EMULSIONES QUE CONTIENEN ESPUMANTES, CONTENIENDO A) COMPUESTOS QUE CONTIENEN ATOMOS DE HIDROGENO QUE SON REACTIVOS CON RESPECTO A LOS ISOCIANATOS, B) ESPUMANTES, C) CATALIZADORES USUALES EN LA QUIMICA DEL POLIURETANO, ADYUVANTES Y/O ADITIVOS, CARACTERIZADOS PORQUE LOS ESPUMANTES B) SE PRESENTAN EN EMULSION EN LOS COMPONENTES A) Y C), Y COMO ADYUVANTE DE EMULSION SE UTILIZAN POLIESTERALCOHOLES CON LA SIGUIENTE ESTRUCTURA CON M DE 0 - 15 N DE 0 - 1 O DE 0 - 15 P DE 0 - 1 Q DE 0 - 15 R DE 0 - 1 S DE 0 - 15 T DE 0 - 1 U DE 0 - 10 V DE 0 - 15 X DE 1 - 5 Y DE 1 - 4 O MEZCLAS ENTRE 1 - 3 CON R + N /= 0 Z DE 0 - 3 Z SUB,J DE 0,1 - 3 R 1 ES UNA ESTRUCTURA ALIFATICA SIN GRUP OS OH QUE SE BASA EN LA ESTRUCTURA DE ALCOHOLES POLIVALENTES, PREFERIBLEMENTE ETILENGLICOL, DIETILENGLICOL, TRIETILENGLICOL, 1,2 PROPILENGLICOL Y DIPROPILENGLICOL, 1,4 - BUTANODIOL, 1,6 HEXANODIOL, NEOPENTILGLICOL, 1,3 - BUTANODIOL, TRIMETILOPROPANO, TRIMETILOLETANO, GLICERINA, PENTAERITRITA, PUDIENDO SER UTILIZADOS ESTOS COMPUESTOS EN UNA MEZCLA DE UNOS CON OTROS COMO SE QUIERA EN UNA ESTERIFICACION, Y R 1 PUEDE SIGNIFICAR POR TANTO LAS CORRESPONDIENTES ESTRUCTURAS. R 2 ES EL RADICAL DE UN ACIDO POLICARBOXILICO SIN GRUPOS COOH, P. E. ACIDO ADIPICO,, ACIDO TEREFTALICO, ACIDO O FTALICO, R 3 ES UN RADICAL ALCOHOLICO COMO R 1 .

公开(公告)号：DE10336938A1

公开(公告)日：2005-03-10

申请号：DE10336938

申请日：2003-08-07

Applicant: BASF AG

Inventor： WIEGMANN WERNER ,  BIEDERMANN ANJA ,  KROGMANN JOERG

IPC: C08G18/48 ,  C08J9/04 ,  F16L59/06 ,  F25D23/06

Abstract: A mixture of polyether-alcohols with (b1) a functionality of more than 4 and an OH number (OHN) of more than 450 mg KOH/g, (b2) a functionality of 3-4 and an OHN of more than 350 and (b3) a functionality of 3-4 and an OHN of 100-200 is used as the polyol component in a method for the production of rigid, open-cell polyurethane foam. A method for the production of rigid, open-cell polyurethane foam by reacting (a) polyisocyanates with (b) compounds containing at least 2 isocyanate-reactive hydrogen atoms in presence of (c) catalysts and (d) blowing agents, in which component (b) comprises a mixture of (b1) polyether-alcohol(s) with a functionality of more than 4 and an OH number of more than 450 mg KOH/g, obtained by reacting H-functional starters with a functionality of at least 5 and optionally H-functional starters with a functionality of not more than 3 with alkylene oxides, (b2) polyether-alcohol(s) with a functionality of 3-4 and an OH number of more than 350, obtained by reacting H-functional starters with alkylene oxides and (b3) polyether-alcohol(s) with a functionality of 3-4 and an OH number of 100-200, obtained as for (b2). Independent claims are also included for (1) rigid, open-cell polyurethane foam obtained by this method (2) vacuum insulation elements with this foam as core material .

公开(公告)号：DE59811932D1

公开(公告)日：2004-10-21

申请号：DE59811932

申请日：1998-03-02

Applicant: BASF AG

Inventor： KNORR DR ,  ROTERMUND DR ,  BAUM EVA ,  SEIFERT DR ,  WIEGMANN WERNER

IPC: C08J9/08 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14

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.

公开(公告)号：AT265479T

公开(公告)日：2004-05-15

申请号：AT97116522

申请日：1997-09-23

Applicant: BASF AG

Inventor： ROTERMUND UDO DR ,  HEMPEL RENATE ,  SEIFERT HOLGER DR ,  WIEGMANN WERNER

IPC: C08J9/12 ,  C08G18/06 ,  C08G18/48 ,  C08G18/50 ,  C08G101/00

Abstract: A process for the production of rigid polyurethane foam with improved thermodimensional stability and reduced thermal conductivity comprises reacting (a) polyisocyanates with (b) compounds with isocyanate-reactive hydrogen atoms in presence of (c) water and optionally (d) physical blowing agents and (e) catalysts and other additives etc. 60-100 wt% of component (b) consists of a polyol mixture containing (b1) a polyol obtained by addition of ethylene oxide (EO) and/or propylene oxide (PO) to a hexitol or hexitol mixture and (b2) a polyol obtained by addition of EO and/or PO to one or more aromatic amines, such that the total hexitol content and the total amine content of the polyol mixture is 15-30 wt% and 1-10 wt% respectively.

公开(公告)号：DE10028068A1

公开(公告)日：2001-10-11

申请号：DE10028068

申请日：2000-04-04

Applicant: BASF AG

Inventor： BIEDERMANN ANJA ,  MATZKE GUENTER ,  WIEGMANN WERNER

IPC: B29C35/08 ,  B29C37/00 ,  B29C44/56 ,  F16L59/065 ,  C08J9/34 ,  B29B13/08 ,  C08J3/28 ,  F16L59/06

Abstract: The manufacture of vacuum insulation panels, comprises treats a foam core with microwave energy before introducing the core into its gas-tight casing, and/or during evacuation. An Independent claim is also included for the vacuum insulation panels manufactured as described.

公开(公告)号：CA2245319A1

公开(公告)日：1999-03-24

申请号：CA2245319

申请日：1998-09-23

Applicant: BASF AG

Inventor： WIEGMANN WERNER ,  HEMPEL RENATE ,  ROTERMUND UDO ,  HEINZ MARION ,  BIEDERMANN ANJA

IPC: C08J9/00 ,  C08G18/00 ,  C08G18/28 ,  C08G18/34 ,  C08G18/36 ,  C08G18/40 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14 ,  C09K23/34 ,  C08G18/68

Abstract: Blowing agent-containing emulsions comprise a) compounds containing hydrogen atoms which are reactive toward isocyanates, b) blowing agents, c) catalysts, auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the blowing agents b) are present as an emulsion in the components a) and c), and polyester alcohols having the following structure are used as emulsification aids: where m = 0 - 15 n = 0 - 1 o = 0 - 15 p = 0 - 1 q = 0 - 15 r = 0 - 1 s = 0 - 15 t = 0 - 1 u = 0 - 10 v = 0 - 15 x = 1 - 5 y = 1 - 4 or mixtures of 1-3 where r + n ~ 0 z = 0 - 3 Z i = 0.1 - 3 R1 is an aliphatic structure without OH groups, based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylol ethane, glycerol, pentaerythritol, where these substances can also be used as any mixture with one another in the esterification and R1 can therefore also be a mixture of the corresponding structures, R2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid, R3 is an alcohol radical like R1.