发明名称 |
Reduction of catalyst usage in epoxide/CO2 polymerization |
摘要 |
The catalyst efficiency of zinc carboxylate catalyst in the copolymerization of alkylene oxides with carbon dioxide to form polycarbonates has been increased by the addition of a small amount of certain diepoxides to the reaction.
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申请公布号 |
US4789727(A) |
申请公布日期 |
1988.12.06 |
申请号 |
US19870134647 |
申请日期 |
1987.12.18 |
申请人 |
ARCO CHEMICAL COMPANY |
发明人 |
SUN, HSIANG-NING |
分类号 |
C08G64/02;C08G64/34;(IPC1-7):C08G63/42 |
主分类号 |
C08G64/02 |
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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