发明名称 |
Composition and process for preparation of thermoplastic polyurethanes (tpu based on a polybutadiene soft segment) |
摘要 |
<p>A process for making a thermoplastic polyurethane material comprising the steps of casting an NCO-terminated prepolymer with 1,4-butanediol to form a casting composition; extruding the casting composition to form at least one strand of a polyurethane elastomer; pelletizing the at least one strand of said polyurethane elastomer to form at least one pellet; and processing the at least one pellet to form a thermoplastic article.</p> |
申请公布号 |
EP0982332(A1) |
申请公布日期 |
2000.03.01 |
申请号 |
EP19990115174 |
申请日期 |
1999.08.13 |
申请人 |
BAYER CORPORATION |
发明人 |
TAYLOR, RONALD P.;CHAN, JACK C.;HAIDER, KARL W.;JONSSON, E. HAAKAN;FRANZ, ULI W.;PETERS, MARK A. |
分类号 |
B29B9/00;C08G18/08;C08G18/10;C08G18/22;C08G18/32;C08G18/62;C08G18/70;(IPC1-7):C08G18/10;C08G18/69 |
主分类号 |
B29B9/00 |
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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