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
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