| 发明名称 |
Chemical blowing agent |
| 摘要 |
A method for the preparation of polymeric foams which comprises reacting an organic polyisocyanate with a cyclic carbonate having at least one isocyanate-reactive substituent attached to the carbonate ring.
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| 申请公布号 |
US5112879(A) |
申请公布日期 |
1992.05.12 |
| 申请号 |
US19900584931 |
申请日期 |
1990.09.19 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
RANDALL, DAVID;DE VOS, RIK |
| 分类号 |
C08G18/02;C08G18/22;C08G18/28;C08G18/30;C08G18/32;C08G101/00;C08J9/02;C08J9/08;C09K3/00 |
主分类号 |
C08G18/02 |
| 代理机构 |
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代理人 |
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| 地址 |
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