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公开(公告)号：CA2231599A1
公开(公告)日：1997-04-24
申请号：CA2231599
申请日：1996-09-30
Applicant: BASF AG
Inventor： JESCHKE TORSTEN , GENZ MANFRED , HASELHORST WALTER , BRUNS UTE , STRAUSS MICHAEL , PEUKER HARTMUT , SCHOLZ WOLFGANG , HELLMANN GERHARD , BOLLMANN HEINZ , VOELKEL RUEDIGER
Abstract: The object of the invention is a process for producing compact and preferably cellular polyurethane elastomers based on 3,3' dimethyl diphenyl 4,4' diisocyanate-containing polyisocyanate mixtures by the reaction of a) highmolecular polyhydroxyl compounds and possibly b) low-molecular hydroxyl groupcontaining chain extending and/or cross-linking agents with c) 3,3' dimethyl diphenyl 4,4' diisocyanate and at least one additional aromatic diisocyanate from the group toluylene diisocyanate, diphenyl methane diisocyanate, 1,2 diphenyl ethane diisocyanate and phenylene diisocyanate, and/or at least one aliphatic diisocyanate with 4 to 12 carbon atoms and/or at least one cycloaliphatic diisocyanate with 6 to 18 carbon atoms, in which the structural components (a), (c) and possibly (b) are advantageously brought to reaction by the prepolymer process, in the presence or absence of d) catalysts, e) foaming agents and f) additives and isocyanate prepolymers suitable therefor, preferably those based on 4,4' diphenyl methane diisocyanate and 3,3' dimethyl diphenyl 4,4' diisocyanate.
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公开(公告)号：ES2176754T3
公开(公告)日：2002-12-01
申请号：ES97930440
申请日：1997-06-30
Applicant: BASF AG
Inventor： GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , NICHAU UTE , BOLLMANN HEINZ , STRAUSS MICHAEL
Abstract: Compact and preferably cellular polyurethane elastomers are prepared by reactinga) relatively high molecular weight polyhydroxyl compounds and if desired,b) low molecular weight chain extenders and/or crosslinkers withc) phenylene 1,4-diisocyanate (p-PDI) 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/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 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 described.
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公开(公告)号：MX210756B
公开(公告)日：2002-10-09
申请号：MX9708925
申请日：1997-11-19
Applicant: BASF AG
Inventor： GENZ MANFRED , PRISSOK FRANK , HORN PETER , KRECH RUEDIGER , KING HORST , LEHR GERHARD
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公开(公告)号：ES2137028T3
公开(公告)日：1999-12-01
申请号：ES96943968
申请日：1996-12-16
Applicant: BASF AG
Inventor： KRECH RUDIGER , ROTERMUND UDO , BOLLMANN HEINZ , HEMPEL RENATE , SCHOLZ WOLFGANG , GENZ MANFRED
Abstract: PCT No. PCT/EP96/05640 Sec. 371 Date Oct. 7, 1998 Sec. 102(e) Date Oct. 7, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23535 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and further customary constituents has a physicochemical structure which, in the gel permeation chromatograph (GPC) of a solution of the microcellular polyurethane elastomer prepared at 90 DEG C. in N,N-dimethylformamide containing 1 percent of di-n-butylamine measured against polymethyl methacrylate (PMMA) as standard, displays a signal occurring in addition to low molecular weight main signal and comprising one or more peaks at an (apparent) molar mass of greater than 250,000 g/mol which becomes smaller or disappears on addition of lithium chloride to this solution, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.
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公开(公告)号：AU710832B2
公开(公告)日：1999-09-30
申请号：AU1372697
申请日：1996-12-16
Applicant: BASF AG
Inventor： KRECH RUDIGER , ROTERMUND UDO , BOLLMANN HEINZ , HEMPEL RENATE , SCHOLZ WOLFGANG , GENZ MANFRED
Abstract: PCT No. PCT/EP96/05640 Sec. 371 Date Oct. 7, 1998 Sec. 102(e) Date Oct. 7, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23535 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and further customary constituents has a physicochemical structure which, in the gel permeation chromatograph (GPC) of a solution of the microcellular polyurethane elastomer prepared at 90 DEG C. in N,N-dimethylformamide containing 1 percent of di-n-butylamine measured against polymethyl methacrylate (PMMA) as standard, displays a signal occurring in addition to low molecular weight main signal and comprising one or more peaks at an (apparent) molar mass of greater than 250,000 g/mol which becomes smaller or disappears on addition of lithium chloride to this solution, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.
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Patent Agency Ranking56.发明专利
公开(公告)号：HU9900656A2
公开(公告)日：1999-07-28
申请号：HU9900656
申请日：1996-09-09
Applicant: BASF AG
Inventor： BOLLMANN HEINZ , BRUNS UTE , GENZ MANFRED , HASELHORST WALTER , HELLMANN GERHARD , JESCHKE TORSTEN , PEUKER HARTMUT , SCHOLZ WOLFGANG , STRAUSS MICHAEL , VOELKEL RUEDIGER
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：CZ9900076A3
公开(公告)日：1999-07-14
申请号：CZ7699
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
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：BR9612273A
公开(公告)日：1999-07-13
申请号：BR9612273
申请日：1996-12-16
Applicant: BASF AG
Inventor： KRECH RUEDIGER , ROTERMUND UDO , BOLLMANN HEINZ , HEMPEL RENATE , SCHOLZ WOLFGANG , GENZ MANFRED
Abstract: PCT No. PCT/EP96/05640 Sec. 371 Date Oct. 7, 1998 Sec. 102(e) Date Oct. 7, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23535 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and further customary constituents has a physicochemical structure which, in the gel permeation chromatograph (GPC) of a solution of the microcellular polyurethane elastomer prepared at 90 DEG C. in N,N-dimethylformamide containing 1 percent of di-n-butylamine measured against polymethyl methacrylate (PMMA) as standard, displays a signal occurring in addition to low molecular weight main signal and comprising one or more peaks at an (apparent) molar mass of greater than 250,000 g/mol which becomes smaller or disappears on addition of lithium chloride to this solution, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.
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公开(公告)号：ZA9706127B
公开(公告)日：1999-01-11
申请号：ZA9706127
申请日：1997-07-10
Applicant: BASF AG
Inventor： GENZ MANFRED , HASELHORST WALTER , JESCHKE TORSTEN , BRUNS UTE , BOLLMANN HEINZ , STRAUSS MICHAEL , SCHOLZ WOLFGANG , VOEKEL RUEDIGER , PEUKER HARTMUT , HELLMANN GERHARD
IPC: C08G18/10 , C08G18/42 , C08G18/48 , C08G18/66 , C08G18/72 , C08G18/76 , C08G101/00 , C08J3/14 , C08G , C08L
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：PL327339A1
公开(公告)日：1998-12-07
申请号：PL32733996
申请日：1996-12-16
Applicant: BASF AG
Inventor： KRECH RUEDIGER , ROTERMUND UDO , BOLLMANN HEINZ , HEMPEL RENATE , SCHOLZ WOLFGANG , GENZ MANFRED
IPC: C08G18/08 , C08J9/36 , C08G18/40 , C08G18/76 , C08G101/00
Abstract: PCT No. PCT/EP96/05639 Sec. 371 Date Nov. 18, 1998 Sec. 102(e) Date Nov. 18, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23534 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120 DEG C. for from 8 to 24 hours, a melting range of from 130 DEG C. as the minimum lower limit to 230 DEG C. as a minimum upper limit, measured by differential scanning calorimetry (DSC) at a heating rate of 20 DEG C./min, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.
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