发明名称 |
HYDROXYMETHYL QUINUCLIDINE CATALYST COMPOSITIONS FOR MAKING POLYURETHANE FOAMS. |
摘要 |
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising at least one compound of either of the following formulas IA and IB: IA IB where R is hydrogen, methyl or hydroxymethyl. The preferred catalysts comprise 3-hydroxymethyl quinuclidine, 3-methyl-3-hydroxymethyl quinuclidine and 4-hydroxymethyl quinuclidine.
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申请公布号 |
MXPA96002139(A) |
申请公布日期 |
2006.05.25 |
申请号 |
MX19960002139 |
申请日期 |
1996.06.04 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
JAMES DUDLEY NICHOLS |
分类号 |
C08G18/02;C08G18/18;C07D453/02;C08G18/20;C08G101/00;(IPC1-7):C08G18/18 |
主分类号 |
C08G18/02 |
代理机构 |
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地址 |
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