Provided herein are catalyst combinations and processes useful for producing polyurethane foam products which have a greatly lessened tendency to emit vapors of residual amounts of catalysts, after prolonged storage of the foams even at elevated temperatures. According to one form of the invention, a reactive catalyst is used in combination with a polyol precursor wherein the polyol precursor has an unsaturation level that is below about 0.030 meq./g.
本发明提供的催化剂组合和工艺可用于生产聚
氨酯泡沫塑料产品,这些产品即使在高温下长期储存后,催化剂残留量蒸发的趋势也会大大降低。根据本发明的一种形式,活性催化剂与多元醇前体结合使用,其中多元醇前体的不饱和度低于约 0.030 meq./g。