| 发明名称 |
Biodegradable aliphatic polyester grafted with poly(ethylene glycol) having reactive groups and preparation method thereof |
| 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 C<SUB>1-5 </SUB>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.
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| 申请公布号 |
US7151142(B2) |
申请公布日期 |
2006.12.19 |
| 申请号 |
US20040875533 |
申请日期 |
2004.06.25 |
| 申请人 |
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY |
发明人 |
PARK JUNG KI;LEE SEONG-NAM;SUNG SHI-JOON;CHO KI-YUN |
| 分类号 |
C08G63/06;C08G65/08;C08F283/02;C08F290/06;C08F299/02;C08G63/664;C08G63/91;C08G65/26;C08L71/02 |
主分类号 |
C08G63/06 |
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