| 发明名称 |
Block copolymers from macrocyclic oligoesters and dihydroxyl-functionalized polymers |
| 摘要 |
Block copolymers are prepared from polymerization of a macrocyclic oligoester and a dihydroxyl-functionalized polymer at an elevated temperature in the presence of a polymerization catalyst.
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| 申请公布号 |
US6436549(B1) |
申请公布日期 |
2002.08.20 |
| 申请号 |
US20010906385 |
申请日期 |
2001.07.16 |
| 申请人 |
CYCLICS CORPORATION |
发明人 |
WANG YI-FENG |
| 分类号 |
C08G63/00;C08G63/183;C08G63/672;C08G63/85;C08G81/00;(IPC1-7):B32B27/06;C08F20/00 |
主分类号 |
C08G63/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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