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公开(公告)号:EA003631B1
公开(公告)日:2003-08-28
申请号:EA199900024
申请日:1997-06-30
Applicant: BASF AG
Inventor: GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , VOELKEL RUDIGER , PEUKER HARTMUT , HELLMANN GERHARD
Abstract: Объектомизобретенияявляетсяспособполученияячеистыхполиуретановыхэластомеровпутемвзаимодействияполигидроксильныхсоединенийс функциональностьюот 2 до 3 имолекулярнымвесомот 800 до 6000 сароматическимдиизоцианатомс получениемполупродукта, которыйподвергаютвзаимодействиюс органическимполиизоцианатомс получениемпреполимера, которыйподвергаютвзаимодействиюс водойи средствомдляудлиненияцепии/илисредствомдлясшивкис молекулярнымвесомдо 800, приэтомпроцесспроводятв присутствииилиотсутствиикатализатора, заключающийсяв том, чтовзаимодействиеполигидроксильныхсоединенийс ароматическимдиизоцианатом, выбраннымизгруппы, включающейдифенилметандиизоцианати егосмесьс 1,4-фенилендиизоцианатом, осуществляютприэквивалентномсоотношениигидроксильныхгруппк изоцианатнымгруппам, равном 1 : (>1-6), авзаимодействиеполупродукта, содержащегоуретановыеи изоцианатныегруппы, сорганическимполиизоцианатом, представляющимсобой 1,4-фенилендиизоцианат, осуществляютприэквивалентномсоотношениигидроксильныхгрупписходныхполигидроксильныхсоединенийк изоцианатнымгруппам, равном 1 : (0,2-6), атакжепреполимерыдляних.
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公开(公告)号:BR9610964A
公开(公告)日:1999-04-06
申请号:BR9610964
申请日:1996-09-30
Applicant: BASF AG
Inventor: HASELHORST WALTER , BOLLMANN HEINZ , VOELKEL RUDIGER , HELLMANN GERHARD , STRAUSS MICHAEL , JESCHKE TORSTEN , BRUNS UTE , PEUKER HARTMUT , SCHOLZ WOLFGANG , GENZ MANFRED
Abstract: Compact and preferably cellular polyurethane elastomers based on polyisocyanate mixtures containing 3,3'-dimethylbiphenyl 4,4'-diisocyanate are produced by reactinga) relatively high molecular weight polyhydroxyl compounds and, if desired,b) low molecular weight hydroxyl-containing chain extenders and/or crosslinkers withc) 3,3'-dimethylbiphenyl 4,4'-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or at least one aliphatic diisocyanate having from 4 to 12 carbon atoms and/or at least one cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are advantageously reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives.Isocyanate prepolymers suitable for this purpose are preferably ones based on diphenylmethane 4,4'-diisocyanate and 3,3'-dimethylbiphenyl 4,4'-diisocyanate.
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公开(公告)号:TR9900026T2
公开(公告)日:1999-03-22
申请号:TR9900026
申请日:1997-06-30
Applicant: BASF AG
Inventor: GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , NICHAU UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , VOELKEL RUEDIGER , PEUKER HARTMUT , HELLMANN GERHARD
CPC classification number: C08J3/14 , C08G18/10 , C08G18/4238 , C08G18/4891 , C08G18/7607 , C08G18/7614 , C08G2101/0008 , C08G2101/0066 , C08G2101/0083 , C08J2375/04 , C08G18/36 , C08G18/38
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公开(公告)号:PL326221A1
公开(公告)日:1998-08-31
申请号:PL32622196
申请日:1996-09-30
Applicant: BASF AG
Inventor: GENZ MANFRED , HELLMANN GERHARD , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , PEUKER HARTMUT , VOELKEL RUEDIGER
Abstract: Compact and preferably cellular polyurethane elastomers based on polyisocyanate mixtures containing 3,3'-dimethylbiphenyl 4,4'-diisocyanate are produced by reactinga) relatively high molecular weight polyhydroxyl compounds and, if desired,b) low molecular weight hydroxyl-containing chain extenders and/or crosslinkers withc) 3,3'-dimethylbiphenyl 4,4'-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or at least one aliphatic diisocyanate having from 4 to 12 carbon atoms and/or at least one cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are advantageously reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives.Isocyanate prepolymers suitable for this purpose are preferably ones based on diphenylmethane 4,4'-diisocyanate and 3,3'-dimethylbiphenyl 4,4'-diisocyanate.
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公开(公告)号:CZ9801095A3
公开(公告)日:1998-08-12
申请号:CZ109598
申请日:1996-09-30
Applicant: BASF AG
Inventor: GENZ MANFRED , HELLMANN GERHARD , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , PEUKER HARTMUT , VOELKEL RUDIGER , SCHOLZ WOLFGANG
CPC classification number: C08J9/14 , C08G18/724 , C08G18/7607 , C08G18/7671 , C08G2101/0008 , C08G2101/0066 , C08G2101/0083 , C08J2375/04
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公开(公告)号:PL325634A1
公开(公告)日:1998-08-03
申请号:PL32563496
申请日:1996-09-09
Applicant: BASF AG
Inventor: GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , VOELKEL RUEDIGER , PEUKER HARTMUT , HELLMANN GERHARD
Abstract: Compact and preferably cellular polyurethane elastomers are produced by reactinga) polyhydroxyl compounds having molecular weights of from 800 to 6000 and, if desired,b) chain extenders and/or crosslinkers having molecular weights of up to 800 [lacuna]c) naphthylene 1,5-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 3,3'-dimethylbiphenyl diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or aliphatic diisocyanate having from 4 to 12 carbon atoms and/or cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are preferably reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives. Isocyanate prepolymers suitable for this purpose are also described.
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公开(公告)号:DE19633891A1
公开(公告)日:1998-02-26
申请号:DE19633891
申请日:1996-08-22
Applicant: BASF AG
Inventor: JESCHKE TORSTEN , KRIESMANN ARNE , BRUNS UTE , SCHOLZ WOLFGANG , LUEDERWALD MICHAEL-CHRISTIAN , PEUKER HARTMUT
IPC: C08G18/06 , C08G18/10 , C08J9/12 , C08G18/42 , C08G18/48 , C08G18/64 , C08G18/65 , C08G18/76 , C08G101/00 , C08J9/33 , C08L75/04 , C08G18/00 , C08J11/04
Abstract: A process for recycling polyurethanes (PUR), in which the PUR (I) is finely chopped and added in amounts of 0.1-40 wt.% to a reaction mixture for the production of PUR by the polyaddition reaction of (a) polyisocyanates, (b) isocyanate-reactive substances with active hydrogen atoms and optionally (c) chain extenders and/or crosslinkers, catalysts, blowing agents and other normal additives.
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公开(公告)号:CA2259934A1
公开(公告)日:1998-01-22
申请号:CA2259934
申请日:1997-06-30
Applicant: BASF AG
Inventor: VOELKEL RUEDIGER , PEUKER HARTMUT , BOLLMANN HEINZ , GENZ MANFRED , NICHAU UTE , SCHOLZ WOLFGANG , HASELHORST WALTER , STRAUSS MICHAEL , HELLMANN GERHARD , JESCHKE TORSTEN
IPC: C08G18/10 , C08G18/42 , C08G18/48 , C08G18/66 , C08G18/72 , C08G18/76 , C08G101/00 , C08J3/14 , C08J9/04
Abstract: A process is disclosed for preparing compact and preferably cellular polyurethane elastomers by reacting: (a) high-molecular polyhydroxyl compounds and optionally (b) low-molecular chain-lengthening and/or cross-linking agents with (c) 1,4-phenylene diisocyanate (p-PDI) and at least one additional aromatic diisocyanate selected from the group of toluylene-diisocyanate, diphenylmethane-diisocyanate, 3,3'dimethyl-diphenyl-diisocyanate, 1,2diphenylethane-diisocyanate and/or an aliphatic diisocyanate with 4 to 12 carbon atoms and/or a cycloaliphatic diisocyanate with 6 to 18 carbon atoms, in the presence or absence of (d) catalysts; (e) foaming agents; and (f) additives. Components (a), (c) and optionally (c) are preferably reacted after their prepolymerisation. Also disclosed are isocyanate prepolymers suitable for preparing these elastomers.
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29.
公开(公告)号:AU7126896A
公开(公告)日:1997-04-01
申请号:AU7126896
申请日:1996-09-09
Applicant: BASF AG
Inventor: GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , VOELKEL RUDIGER , PEUKER HARTMUT , HELLMANN GERHARD
Abstract: Compact and preferably cellular polyurethane elastomers are produced by reactinga) polyhydroxyl compounds having molecular weights of from 800 to 6000 and, if desired,b) chain extenders and/or crosslinkers having molecular weights of up to 800 [lacuna]c) naphthylene 1,5-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 3,3'-dimethylbiphenyl diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or aliphatic diisocyanate having from 4 to 12 carbon atoms and/or cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are preferably reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives. Isocyanate prepolymers suitable for this purpose are also described.
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公开(公告)号:BR0208342A
公开(公告)日:2004-03-23
申请号:BR0208342
申请日:2002-03-28
Applicant: BASF AG
Inventor: BOLLMANN HEINZ , WAGNER HERMANN DIETRICH , STRAUSS MICHAEL , JESCHKE TORSTEN
Abstract: Cellular polyisocyanate polyadducts are prepared by reacting (a) isocyanates with (b) compounds reactive toward isocyanates and (d) water, by a process in which a polyester having 2 hydroxyl groups and based on the condensation of at least one dicarboxylic acid with at least one alkanediol and/or alkenediol of 3 to 6 carbon atoms, whose carbon skeleton has at least one alkyl and/or alkenyl side chain between the hydroxyl groups, is used as (b).
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