| 发明名称 |
Process for the preparation of carbodiimide-isocyanurate foams employing quaternary boron salts as catalysts |
| 摘要 |
Rigid foams characterized by carbodiimide and isocyanurate linkages are prepared by catalytically condensing an organic polyisocyanate in the presence of certain quaternary boron salts.
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| 申请公布号 |
US4151334(A) |
申请公布日期 |
1979.04.24 |
| 申请号 |
US19770833794 |
申请日期 |
1977.09.16 |
| 申请人 |
BASF WYANDOTTE CORP |
发明人 |
CENKER, MOSES;KAN, PETER T |
| 分类号 |
C08G18/02;C08G18/22;(IPC1-7):C08G18/14 |
主分类号 |
C08G18/02 |
| 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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