| 发明名称 |
Manufacture of rigid foams and compositions therefor. |
| 摘要 |
<p>The use of a liquid for the preparation of a rigid polyurethane and/or polyisocyanurate foam by reacting a polyisocyanate and a polyol in the presence of a blowing agent characterised in that the liquid is an inert, insoluble, non-blowing liquid. CFC-free foams may be obtained showing good insulating properties.</p> |
| 申请公布号 |
EP0508649(A1) |
申请公布日期 |
1992.10.14 |
| 申请号 |
EP19920302560 |
申请日期 |
1992.03.25 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
DE VOS, RIK |
| 分类号 |
C08G18/08;C08G18/00;C08G18/66;C08G101/00;C08J9/00;C08J9/02;C08J9/14 |
主分类号 |
C08G18/08 |
| 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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