Bicyclic amide acetal/polyol/polyisocyanate polymers

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

1984-12-20

1985-12-31

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

521163, 521158, 548218, C08G 1838

Patent

active

045622400

ABSTRACT:
A process is described for preparing novel polyurethane polymers which have good impact resistance and other desirable physical properties, said process comprising interpolymerizing a mixture of a bicyclic amide acetal, a polyol and a polyisocyanate.

REFERENCES:
patent: 3738992 (1973-06-01), Frump
patent: 3773730 (1973-11-01), Hunsucker
patent: 3824164 (1974-07-01), Himies
patent: 3952000 (1976-04-01), Sidi et al.
patent: 4101527 (1978-07-01), Cunningham et al.
patent: 4277353 (1981-07-01), Deen et al.

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