Alcohol catalysts are utilized to effect ambient temperature cure of urethane prepolymers or polymers with a methylenedianiline (MDA) salt complex. The alcohol catalysts are generally quasi polar such as a polyester polyol, a polyether polyol, an aliphatic polyol, or an aliphatic or an aryloxypoly(oxyalkylene) alcohol.
醇催化剂可用于实现聚
氨酯预聚物或聚合物与亚甲基
二苯胺(
MDA)盐复合物的常温固化。醇催化剂一般为准极性,如聚酯多元醇、聚醚多元醇、脂肪族多元醇、脂肪族或芳氧基聚(氧烷基)醇。