发明名称 |
Injection-moldable, thermoplastic polyurethane elastomer |
摘要 |
A thermoplastic polyurethane (TPU) elastomer and p-phenylene diisocyanate (PPDI)/polycaprolactone-based composition therefor having a unique chain extender combination for improved injection moldability. The elastomer is formed as the reaction product of: (A) from about 60 to 80% by weight of a hydroxyl-terminated poly(caprolactone) diol; (B) from about 17 to 22% by weight of a p-phenylene diisocyanate; (C) from about 3 to 10% by weight of a first hydroxyl-functional chain extender; and (D) less than about 2% by weight of a second hydroxyl-functional chain extender different from the first chain extender, the second chain extender being selected as effective to modify the crystallinity of the elastomer.
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申请公布号 |
US2003122282(A1) |
申请公布日期 |
2003.07.03 |
申请号 |
US20020307037 |
申请日期 |
2002.11.27 |
申请人 |
PARKER-HANNIFIN CORPORATION |
发明人 |
PLUMMER THOMAS L.;COMES VAL C.;WALLACE GEORGE R. |
分类号 |
B29C45/00;C08G18/66;C08G18/76;(IPC1-7):B29C45/00;C08G18/00 |
主分类号 |
B29C45/00 |
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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