| 发明名称 |
CHEMICAL BLOWING AGENT |
| 摘要 |
E 35432 Novel Chemical Blowing Agent A method for the preparation of polymeric foams which comprises reacting an organic polyisocyanate with a cyclic carbonate having at least one isocyanate-reactive substitutent attached to the carbonate ring.
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| 申请公布号 |
CA2025397(A1) |
申请公布日期 |
1991.03.20 |
| 申请号 |
CA19902025397 |
申请日期 |
1990.09.14 |
| 申请人 |
RANDALL, DAVID;DE VOS RIK |
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;(IPC1-7):C08G18/30 |
主分类号 |
C08G18/02 |
| 代理机构 |
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