Copolymerization of blocked polyisocyanates with bicyclic amide

Details Copolymerization of blocked polyisocyanates with bicyclic amide Copolymerization of blocked polyisocyanates with bicyclic amide

1987-04-27

1987-11-17

Anderson, Harold D.

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...

528 73, C08G 1881

Patent

active

047075325

ABSTRACT:
A process for preparing polyurethane comprising copolymerization of a mixture comprising a bicyclic amide acetal and a blocked polyisocyanate at a temperature in the range of from about room temperature to about 200.degree. C. is described. The polymerization mixture may also contain polyamines, polyols, and polyepoxides and the polymers resulting from this process are useful as coatings, adhesives, and in elastomer synthesis.

REFERENCES:
patent: 4558113 (1985-12-01), Goel
patent: 4562240 (1985-12-01), Goel et al.
patent: 4579877 (1986-04-01), Goel et al.
patent: 4584363 (1986-04-01), Goel et al.
patent: 4594397 (1986-06-01), Goel et al.
patent: 4601995 (1986-07-01), Goel

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