发明名称 |
Delayed action catalysts and methods for polymerizing macrocyclic oligomers |
摘要 |
Cyclic oligomers containing ester linkages are polymerized in the presence of a dialkyltin di(carboxylate) catalyst. The catalyst provides a latency period followed by a rapid polymerization to form a high molecular weight polymer.
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申请公布号 |
US2005288176(A1) |
申请公布日期 |
2005.12.29 |
申请号 |
US20050154015 |
申请日期 |
2005.06.16 |
申请人 |
KUHLMAN ROGER L;SAMMLER ROBERT L;TIMMERS FRANCIS J |
发明人 |
KUHLMAN ROGER L.;SAMMLER ROBERT L.;TIMMERS FRANCIS J. |
分类号 |
B01J21/00;B01J31/22;C08G63/85;(IPC1-7):B01J21/00 |
主分类号 |
B01J21/00 |
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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