| 发明名称 |
Rigid polyurethane foams |
| 摘要 |
Process for making rigid polyurethane or urethane-modified polyisocyanurate foams comprising the step of reacting an organic polyisocyanate composition with an isocyanate-reactive composition comprising a polyester polyol in the presence of an amine catalyst characterised in that the pKa of the conjugated ammonium salt of said amine is less than 12. |
| 申请公布号 |
AU5118298(A) |
申请公布日期 |
1998.05.29 |
| 申请号 |
AU19980051182 |
申请日期 |
1997.10.10 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
THOMAS HEINRICH SIEKER;FRANCO GABRIELI |
| 分类号 |
C08G18/08;C08G18/16;C08G18/18;C08G18/20;C08G18/28;C08G18/40;C08G18/42;C08G18/65;C08G18/66;C08G101/00 |
主分类号 |
C08G18/08 |
| 代理机构 |
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代理人 |
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