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    СПОСОБ ПОЛУЧЕНИЯ ЯЧЕИСТЫХ ПОЛИУРЕТАНОВЫХ ЭЛАСТОМЕРОВ И ПРЕПОЛИМЕРЫ ДЛЯ НИХ
    1.
    发明专利
    СПОСОБ ПОЛУЧЕНИЯ ЯЧЕИСТЫХ ПОЛИУРЕТАНОВЫХ ЭЛАСТОМЕРОВ И ПРЕПОЛИМЕРЫ ДЛЯ НИХ 未知

    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

    IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/66 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J3/14

    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.

    2.
    发明专利
    未知

    公开(公告)号：ES2137027T3

    公开(公告)日：1999-12-01

    申请号：ES96943967

    申请日：1996-12-16

    Applicant: BASF AG

    Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

    IPC: C08G18/08 ,  C08G18/40 ,  C08G18/76 ,  C08G101/00 ,  C08J9/36

    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.

    MICRO-CELLULAR POLYURETHANE ELASTOMER CONTAINING UREA GROUPS, PROCESS OF ITS PREPARATION AND USE
    3.
    发明专利
    MICRO-CELLULAR POLYURETHANE ELASTOMER CONTAINING UREA GROUPS, PROCESS OF ITS PREPARATION AND USE 未知

    公开(公告)号：CZ189298A3

    公开(公告)日：1999-09-15

    申请号：CZ189298

    申请日：1996-12-16

    Applicant: BASF AG

    Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

    IPC: C08J9/36 ,  C08G18/08 ,  C08G18/76

    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.

    4.
    发明专利
    未知

    公开(公告)号：BR9612233A

    公开(公告)日：1999-07-13

    申请号：BR9612233

    申请日：1996-12-16

    Applicant: BASF AG

    Inventor： KRECH RUEDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

    IPC: C08J9/36 ,  C08G18/08 ,  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.

    5.
    发明专利
    未知

    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

    IPC: C08G18/10 ,  C08G18/40 ,  C08G18/72 ,  C08G18/76 ,  C08J9/14

    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.

    MICRO-CELLULAR POLYURETHANE ELASTOMER CONTAINING UREA GROUPS
    8.
    发明专利
    MICRO-CELLULAR POLYURETHANE ELASTOMER CONTAINING UREA GROUPS 未知

    公开(公告)号：CZ176998A3

    公开(公告)日：1998-10-14

    申请号：CZ176998

    申请日：1996-12-16

    Applicant: BASF AG

    Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

    IPC: C08J9/36 ,  C08G18/08 ,  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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