There is disclosed a process for producing polyurethane foams by reacting an organic polyol and an organic polyisocyanate in the presence of a blowing agent, a catalyst, and a surfactant, wherein a tertiary triamine derivative represented by the formula (I) in claim 1 is used. According to the disclosure, the polyurethane foam obtained is substantially free from odors and does not cause a polyvinyl chloride resin covering or a film or a coating covering of the polyurethane foam product to discolor or to deteriorate.
本发明公开了一种通过在发泡剂、催化剂和表面活性剂存在下使有机多元醇和有机多
异氰酸酯反应生产聚
氨酯泡沫塑料的工艺,其中使用了由权利要求1中式(I)代表的叔三胺衍
生物。根据本公开,所获得的聚
氨酯泡沫基本上没有气味,并且不会导致聚
氨酯泡沫产品的聚
氯乙烯树脂覆盖层或薄膜或涂层变色或变质。