Process for the production of optionally cellular polyurethanes

摘要

A process for the production of an optionally cellular polyurethane by reacting at least one compound having at least two hydrogen atoms which are reactive with isocyanate groups and have a molecular weight of from about 400 to 10,000 with polyisocyanates in the presence of a poly(dialkylaminoalkyl)ether catalyst corresponding to the formula <IMAGE> wherein A represents a straight-chain or branched-chain (x+1)-valent, optionally substituted C2-C6 alkyl radical, x represents an integer of 1 to 4 and R1-R4 represent the same or different C1-C4 alkyl radicals, which optionally form a heterocyclic radical with N.