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US4473666A Catalyst system for use in producing carboxylic acid blown polyurethane foams 失效
用于生产羧酸泡沫聚氨酯泡沫的催化剂体系

Catalyst system for use in producing carboxylic acid blown polyurethane
foams
摘要:
A catalyst system and process are provided for producing polyurethane foams using a carboxylic acid blowing agent, wherein an organic polyol and an organic polyisocyanate are contacted with a catalyst system comprising a dialkylcyclohexylamine and an N-substituted alkoxyalkyl piperazine.
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