Flexible polyurethane foams based upon the use of a soluble amin

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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Details

521120, 521127, 521129, 521174, C08G 1814, C08G 1832, C08G 1834, C08G 1830

Patent

active

041362411

ABSTRACT:
In a process for producing polyurethane foam, which process comprises reacting in one step a polyether polyol and a crosslinking agent with a polyisocyanate in the presence of a catalyst and a blowing agent, the improvement of employing as at least a major proportion of the crosslinking agent a soluble amine salt obtained by reacting a cycloaliphatic polyamine having at least two primary amine groups with approximately the stoichiometric amount of a carboxylic acid.

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