公开(公告)号：PL329731A1

公开(公告)日：1999-04-12

申请号：PL32973197

申请日：1997-04-24

Applicant: BASF AG

Inventor： VOLKERT OTTO ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00

Abstract: Elastic polyurethane moldings having a compact surface and a cellular core are produced by reactinga) modified organic polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired,c) low molecular weight chain extenders in the presence ofd) blowing agents,e) catalysts and, if desired,f) customary auxiliaries and/or additivesin a closed mold with compaction, wherein the modified organic polyisocyanate used is at least one reaction product of pure MDI and at least one polyether alcohol (polyoxyalkylene polyol), the modified organic polyisocyanate having an NCO content of

公开(公告)号：TR9802150T2

公开(公告)日：1999-02-22

申请号：TR9802150

申请日：1997-04-24

Applicant: BASF AG

Inventor： VOLKERT OTTO ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00

CPC classification number: C08G18/7671 ,  C08G18/10 ,  C08G18/48 ,  C08G18/4825 ,  C08G18/4829 ,  C08G18/4837 ,  C08G2101/0008 ,  C08G2101/0033 ,  C08G2101/0083 ,  C08G2410/00

公开(公告)号：DE59503484D1

公开(公告)日：1998-10-15

申请号：DE59503484

申请日：1995-03-29

Applicant: BASF AG

Inventor： LUTTER HEINZ-DIETER DR ,  ZSCHIESCHE RUTH DR ,  MERTES JUERGEN DR ,  BRUCHMANN BERND DR ,  PITTRICH KLAUS ,  BRANDT PETER DR

IPC: C08G18/00 ,  C08G18/08 ,  C08G18/10 ,  C08J9/02 ,  C08G18/40 ,  C08G18/48 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J9/14

Abstract: The prepn. of chlorofluorocarbon (CFC)-free polyurethane soft foams comprises reacting: (A) liq. diphenylmethane diisocyanate-based polyisocyanate mixts. contg. bonded urethane gps.; with (B) high mol. wt. polyhydroxyl cpds.; and (C) opt. low mol. wt. chain extenders and/or cross linking agents; in the presence of (D) propellants; (E) catalysts; and (F) opt. additives. (A) contains 22-30 wt. % NCO gps. and is prepd. by reacting a diphenylmethane diisocyanate/polyisocyanate mixt. (a) contg. 55-99 wt. % diphenylmethane diisocyanate isomers, with at least one trifunctional polyoxypropylene polyol (b) with a hydroxy value of 20-60. (A) are also claimed per se.

公开(公告)号：DE59912944D1

公开(公告)日：2006-01-26

申请号：DE59912944

申请日：1999-05-07

Applicant: BASF AG

Inventor： SCHERZER DIETRICH ,  TREULING ULRICH ,  KREYENSCHMIDT MARTIN ,  KAPPES ANTON ,  PITTRICH KLAUS

IPC: C08G18/02 ,  C08G18/66 ,  C08L75/04

Abstract: Polyisocyanate polyaddition products (I) are prepared by reaction of isocyanates with reactive compounds in the presence of blowing agent, catalysts, processing aids and/or additives and particles (II) that (a) have a size of less than 200 microns and a m.pt. of 50-300 degrees C and/or (b) that are of thermosetting resin. An Independent claim is included for a storage stable components for the production of (I) and comprising (II).

公开(公告)号：AT170889T

公开(公告)日：1998-09-15

申请号：AT95104610

申请日：1995-03-29

Applicant: BASF AG

Inventor： LUTTER HEINZ-DIETER DR ,  ZSCHIESCHE RUTH DR ,  MERTES JUERGEN DR ,  BRUCHMANN BERND DR ,  PITTRICH KLAUS ,  BRANDT PETER DR

IPC: C08J9/02 ,  C08G18/00 ,  C08G18/08 ,  C08G18/10 ,  C08G18/40 ,  C08G18/48 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J9/14

Abstract: The prepn. of chlorofluorocarbon (CFC)-free polyurethane soft foams comprises reacting: (A) liq. diphenylmethane diisocyanate-based polyisocyanate mixts. contg. bonded urethane gps.; with (B) high mol. wt. polyhydroxyl cpds.; and (C) opt. low mol. wt. chain extenders and/or cross linking agents; in the presence of (D) propellants; (E) catalysts; and (F) opt. additives. (A) contains 22-30 wt. % NCO gps. and is prepd. by reacting a diphenylmethane diisocyanate/polyisocyanate mixt. (a) contg. 55-99 wt. % diphenylmethane diisocyanate isomers, with at least one trifunctional polyoxypropylene polyol (b) with a hydroxy value of 20-60. (A) are also claimed per se.

公开(公告)号：DE19618392A1

公开(公告)日：1997-11-13

申请号：DE19618392

申请日：1996-05-08

Applicant: BASF AG

Inventor： VOLKERT OTTO DR ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00 ,  C08G18/78 ,  C08L75/04 ,  C08J9/34

Abstract: A process for the production of elastic polyurethane mouldings with compact surfaces and cellular cores by reacting a) modified organic polyisocyanates with b) at least one compound with at least two reactive hydrogen atoms and possibly c) chain-lengthening agents in the presence of d) blowing agents, e) catalysts and possibly f) conventional auxiliaries and/or additives, in a closed mould under compression, in which at least one reaction product of pure MDI and at least one polyether alcohol (polyoxyalkylene polyol) with an NCO content of

公开(公告)号：DE59703235D1

公开(公告)日：2001-05-03

申请号：DE59703235

申请日：1997-04-24

Applicant: BASF AG

Inventor： VOLKERT OTTO ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00

Abstract: Elastic polyurethane moldings having a compact surface and a cellular core are produced by reactinga) modified organic polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired,c) low molecular weight chain extenders in the presence ofd) blowing agents,e) catalysts and, if desired,f) customary auxiliaries and/or additivesin a closed mold with compaction, wherein the modified organic polyisocyanate used is at least one reaction product of pure MDI and at least one polyether alcohol (polyoxyalkylene polyol), the modified organic polyisocyanate having an NCO content of

公开(公告)号：DK0676434T3

公开(公告)日：1999-06-07

申请号：DK95104610

申请日：1995-03-29

Applicant: BASF AG

Inventor： LUTTER HEINZ-DIETER DR ,  ZSCHIESCHE RUTH DR ,  MERTES JUERGEN DR ,  BRUCHMANN BERND DR ,  PITTRICH KLAUS ,  BRANDT PETER DR

IPC: C08G18/00 ,  C08G18/08 ,  C08G18/10 ,  C08G18/40 ,  C08J9/02 ,  C08G18/48 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J9/14

Abstract: The prepn. of chlorofluorocarbon (CFC)-free polyurethane soft foams comprises reacting: (A) liq. diphenylmethane diisocyanate-based polyisocyanate mixts. contg. bonded urethane gps.; with (B) high mol. wt. polyhydroxyl cpds.; and (C) opt. low mol. wt. chain extenders and/or cross linking agents; in the presence of (D) propellants; (E) catalysts; and (F) opt. additives. (A) contains 22-30 wt. % NCO gps. and is prepd. by reacting a diphenylmethane diisocyanate/polyisocyanate mixt. (a) contg. 55-99 wt. % diphenylmethane diisocyanate isomers, with at least one trifunctional polyoxypropylene polyol (b) with a hydroxy value of 20-60. (A) are also claimed per se.

公开(公告)号：TR199802150T2

公开(公告)日：1999-02-22

申请号：TR9802150

申请日：1997-04-24

Applicant: BASF AG

Inventor： VOLKERT OTTO ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00

Abstract: Elastic polyurethane moldings having a compact surface and a cellular core are produced by reactinga) modified organic polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired,c) low molecular weight chain extenders in the presence ofd) blowing agents,e) catalysts and, if desired,f) customary auxiliaries and/or additivesin a closed mold with compaction, wherein the modified organic polyisocyanate used is at least one reaction product of pure MDI and at least one polyether alcohol (polyoxyalkylene polyol), the modified organic polyisocyanate having an NCO content of

公开(公告)号：ZA9703922B

公开(公告)日：1998-11-09

申请号：ZA9703922

申请日：1997-05-07

Applicant: BASF AG

Inventor： VOLKERT OTTO ,  PITTRICH KLAUS

IPC: C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00 ,  C08G ,  C08J ,  C08L

CPC classification number: C08G18/7671 ,  C08G18/10 ,  C08G18/48 ,  C08G18/4825 ,  C08G18/4829 ,  C08G18/4837 ,  C08G2101/0008 ,  C08G2101/0033 ,  C08G2101/0083 ,  C08G2410/00