发明名称 |
Carbodiimide-isocyanurate foams modified with ethoxylated polyols |
摘要 |
Rigid cellular foams are prepared by catalytically condensing an organic polyisocyanate in the presence of (a) a carbodiimide-promoting catalyst, (b) a trimerization catalyst, (c) a urethane catalyst, and (d) from 10 parts to 40 parts per 100 parts of polyisocyanate of a polyol mixture comprising (1) from 5 parts to 30 parts of a polyoxyethylated polyhydric alcohol and (2) from 5 parts to 25 parts of a polyoxyethylated phosphate polyol.
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申请公布号 |
US4051082(A) |
申请公布日期 |
1977.09.27 |
申请号 |
US19760654445 |
申请日期 |
1976.02.02 |
申请人 |
BASF WYANDOTTE CORPORATION |
发明人 |
CENKER, MOSES;KAN, PETER TAI-YUEN |
分类号 |
C08G18/09;C08G18/48;C08G18/50;(IPC1-7):C08G18/50 |
主分类号 |
C08G18/09 |
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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