| 发明名称 |
POLYMERIZATION OF BETA-SUBSTITUTED-BETA-PROPIOLACTONES INITIATED BY ALKYLZINC ALKOXIDES |
| 摘要 |
The present invention relates to a method of preparing a polyester comprising polymerizing at least one beta -substituted- beta -propiolactone in the presence of an initiating amount of alkylzinc alkoxide in bulk or in solvent for a reaction time and temperature sufficient to produce said polyester.
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| 申请公布号 |
WO9520616(A1) |
申请公布日期 |
1995.08.03 |
| 申请号 |
WO1995US00583 |
申请日期 |
1995.01.13 |
| 申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
SCHECHTMAN, LEE, ARNOLD;KEMPER, JOSEPH, JAY |
| 分类号 |
C08G63/08;A61L15/26;A61L15/62;C08G63/06;C08G63/82;C08G63/83;C08J5/18;C09J167/04;(IPC1-7):C08G63/82 |
主分类号 |
C08G63/08 |
| 代理机构 |
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