发明名称 |
Weak bronsted acid derivatives for improving dimensional stability of polyurethane flexible foams |
摘要 |
<p>A method for preparing a flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone surfactant, and a cell opener characterized in that the cell opener comprises an active methylene- or methine-group containing compound.</p> |
申请公布号 |
EP1002816(A2) |
申请公布日期 |
2000.05.24 |
申请号 |
EP19990122767 |
申请日期 |
1999.11.16 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
MEIER, INGRID KRISTINE;LOUIE, MICHAEL |
分类号 |
C08G18/40;C08L75/00;C08G18/08;C08G18/28;C08G101/00;C08J9/00;C08J9/04;C08K5/04;C08K5/16;(IPC1-7):C08G18/28;C08J9/08;C08K5/00 |
主分类号 |
C08G18/40 |
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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