发明名称 |
Thermoplastic polyurethanes and their preparation |
摘要 |
Thermoplastic polyurethanes are prepared by reacting (a) isocyanates with (b) compounds reactive toward isocyanates, in the presence or absence of (c) chain extenders, (d) catalysts and (e) customary auxiliaries and additives and adding crosslinked polyurethanes in comminuted form before, during and/or after the reaction.
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申请公布号 |
US5908894(A) |
申请公布日期 |
1999.06.01 |
申请号 |
US19970969841 |
申请日期 |
1997.11.13 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
GENZ, MANFRED;PRISSOK, FRANK;HORN, PETER;KRECH, RUEDIGER;LEHR, GERHARD;KING, HORST |
分类号 |
C08G18/08;C08J11/06;C08L75/04;(IPC1-7):C08J3/00;C08J11/04;C08K3/20;C08L75/00 |
主分类号 |
C08G18/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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