Process for the production of optionally cellular polyurethanes

Details Process for the production of optionally cellular polyurethanes Process for the production of optionally cellular polyurethanes

1984-08-06

1985-04-09

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521115, 521167, 528 49, C08G 1814

Patent

active

045102694

ABSTRACT:
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 ##STR1## wherein A represents a straight-chain or branched-chain (x+1)-valent, optionally substituted C.sub.2 -C.sub.6 alkyl radical,

REFERENCES:
patent: 4433170 (1984-02-01), Zimmerman et al.

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