申请人:CK WITCO CORPORATION
公开号:EP1018526A1
公开(公告)日:2000-07-12
A process for preparing a polyurethane foam, especially according to the one-shot foaming process the quasi-prepolymer process and the prepolymer process, by reactions between a polyisocyanate and an active hydrogen-containing component including water and an organic polyol wherein said reactions are conducted in the presence of a reaction product formed by reaction between a tertiary amine and an aryloxy substituted carboxylic acid.
一种制备聚氨酯泡沫塑料的工艺,特别是根据一次发泡工艺、准预聚物工艺和预聚物工艺,通过多异氰酸酯和含氢活性组分(包括水和有机多元醇)之间的反应制备聚氨酯泡沫塑料,其中所述反应是在叔胺和芳氧基取代的羧酸反应生成的反应产物存在下进行的。