Unique low viscosity polyesters and their products

Details Unique low viscosity polyesters and their products Unique low viscosity polyesters and their products

1989-04-28

1990-06-26

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...

528 83, 560 76, 560 91, C08G 1832

Patent

active

049373072

ABSTRACT:
These low viscosity polyesters and their products, such as urethanes produced with organic polyisocyanate(s) alone or plus a reactive diluent, such as a glycol or polyester glycols are uniquely useful for coatings, liquid coatings and as an adhesive for films and rubbers. These copolyesters are highly viscous at 24.4.degree. C. but at 40.degree. to 60.degree. C. they are thin enough to be intimately mixed with reactants such as an organic polyisocyanate or epoxy resin and diluents without need to use solvents which pollute the atmosphere.

REFERENCES:
patent: 4284750 (1981-08-01), Amirsakis

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