Urethane-rubber adhesives based on azoester prepolymers and deri

Details Urethane-rubber adhesives based on azoester prepolymers and deri Urethane-rubber adhesives based on azoester prepolymers and deri

1989-05-18

1991-10-08

Kight, III, John

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 64, 4284239, 4284248, 1563317, C08G 1832

Patent

active

050555456

ABSTRACT:
A composite comprises a coating which is adhered to an unsaturated usually cured elastomer utilizing a rubber-urethane adhesive having azoeneophile functionalities such as a dihydrocarbylazodicarboxylate, a dihydrocarbylazodicarboxamide, a dihydrocarbylazoesteramide, or the oxidized reaction product of a urethane prepolymer and a carbazate. A particularly useful carrier for the azoeneophiles is an isocyanate-terminated polyol prepolymer. The composite is useful when a paint is applied to consumer goods, e.g., as a flexible polyurethane paint applied to the sidewalls of tires, as a decorated article, as an adhesively bonded elastomeric composite, and the like.

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