| 发明名称 |
NOVEL 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 substitutent attached to the carbonate ring. |
| 申请公布号 |
ZA9007190(B) |
申请公布日期 |
1991.07.31 |
| 申请号 |
ZA19900007190 |
申请日期 |
1990.09.10 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC. |
发明人 |
DAVID RANDALL;RIK DE VOS |
| 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 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
