| 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.
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| 申请公布号 |
US6346205(B2) |
申请公布日期 |
2002.02.12 |
| 申请号 |
US20010761838 |
申请日期 |
2001.01.18 |
| 申请人 |
HUNTSMAN INTERNATIONAL LLC |
发明人 |
SIEKER THOMAS HEINRICH;GABRIELI FRANCO |
| 分类号 |
C08G18/08;C08G18/16;C08G18/18;C08G18/20;C08G18/28;C08G18/40;C08G18/42;C08G18/65;C08G18/66;C08G101/00;(IPC1-7):C09K3/00 |
主分类号 |
C08G18/08 |
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