Bicyclic amide acetal/polyisocyanate polymers

Details Bicyclic amide acetal/polyisocyanate polymers Bicyclic amide acetal/polyisocyanate polymers

1986-04-11

1987-11-24

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

524397, 524590, 524710, 524729, 524751, 524753, 524754, 524755, 524773, 524774, 524775, 524792, 524795, 528 59, 528 73, 528 60, 548218, C08G 1830

Patent

active

047089717

ABSTRACT:
The process for preparing polyurethanes by the reaction of a bicyclic amide acetal and a polyisocyanate in the presence of a plasticizer such as dioctyl phthalate and a polyurethane catalyst such as stannous octoate is described.

REFERENCES:
patent: 4001165 (1977-01-01), Olstowski
patent: 4558113 (1985-12-01), Goel
patent: 4584363 (1986-04-01), Goel et al.
patent: 4600796 (1986-07-01), Goel

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