发明授权
US4546116A Process for the production of highly elastic foams containing urethane groups and foams obtainable by this process 失效
用于生产含有氨基甲酸酯基的高弹性泡沫和通过该方法可获得的泡沫的方法

Process for the production of highly elastic foams containing urethane
groups and foams obtainable by this process
摘要:
The present invention relates to a process for the production of foams containing urethane groups by reacting polyether polyols with polyisocyanates in the presence of water and in the presence of an alkaline catalyst, a compound containing a labile halogen atom and, optionally, a tertiary nitrogen containing chain extender.The present invention also relates to the foams obtainable by this process.
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