发明名称 |
Method for producing modified polyisocyanurate foams. |
摘要 |
<p>A method for producing a modified polyisocyanurate foam by reacting an organic polyisocyanate, polyol and water in the presence of a trimerizing catalyst composed of a certain hydroxyalkyl quaternary ammonium compound, and a carbodiimidizing catalyst composed of a certain phosphorene oxide. The method enables production of low density modified polyisocyanurate foams with ease and rapidly without using volatile blowing agents such as CFC, HCFC, HFC and methylene chloride.</p> |
申请公布号 |
EP0585636(A1) |
申请公布日期 |
1994.03.09 |
申请号 |
EP19930112416 |
申请日期 |
1993.08.03 |
申请人 |
NISSHINBO INDUSTRIES, INC. |
发明人 |
MORIMOTO, KIYOTAKE;NAKAMURA, SATOSHI |
分类号 |
C08G18/16;C08G18/18;(IPC1-7):C08G18/16 |
主分类号 |
C08G18/16 |
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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