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Biodegradable aliphatic polyester grafted with poly(ethylene glycol) having reactive groups and preparation method thereof
Biodegradable aliphatic polyester grafted with poly(ethylene glycol) having reactive groups and preparation method thereof
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机译:具有反应性基团的聚乙二醇接枝的可生物降解的脂肪族聚酯及其制备方法
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摘要
The present invention is directed to a poly(ethylene glycol)-grafted aliphatic polyester represented by Formula 1: wherein X is an aliphatic ester, R is hydrogen or C1-5 alkyl, Z is the binding moiety of an initiator or a chain transfer agent, m/l is from 0.1 to 50, n is from 2 to 50, w is 1 or greater, and y is from 1 to 200. Further disclosed is a method for preparing the poly(ethylene glycol)-grafted aliphatic polyester of the present invention. 展开▼