Process for producing crosslinked unsaturated polymers by reacti

Details Process for producing crosslinked unsaturated polymers by reacti Process for producing crosslinked unsaturated polymers by reacti

1980-05-08

1981-08-18

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...

C08G 1800

Patent

active

042847524

ABSTRACT:
Novel, crosslinked, unsaturated polymers which have properties better than those of known crosslinked, unsaturated polymers are produced by reaction of .beta.-aminocrotonic acid esters, nitriles or amides with polyisocyanates, at temperatures for example of between 50.degree. and 180.degree. C.

REFERENCES:
patent: 3845014 (1974-10-01), Frank et al.
patent: 4089845 (1978-05-01), Haug et al.

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