发明名称 |
PROCESS FOR PREPARING RIGID AND FLEXIBLE POLYURETHANE FOAMS |
摘要 |
Process for preparing a rigid and a flexible polyurethane foam by reacting a polyisocyanate and two different polyols under foam forming conditions, the polyisocyanate being reacted with said polyols in the absence of compounds comprising primary, secondary or tertiary amines. Flexible foams are obtained which do not show a major glass transition temperature between -100 ~C and +25 ~C.
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申请公布号 |
CA2268179(A1) |
申请公布日期 |
1998.05.22 |
申请号 |
CA19972268179 |
申请日期 |
1997.10.07 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
ELING, BEREND |
分类号 |
B29C67/20;B29C44/56;C08G18/48;C08G18/65;C08G18/66;C08G101/00;(IPC1-7):C08G18/66 |
主分类号 |
B29C67/20 |
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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