Urethane-rubber adhesives based on azoester prepolymers and...

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

C - Chemistry, Metallurgy

08

G

402/131, 117/142

C08G 18/06 (2006.01) C07C 245/04 (2006.01) C08G 18/10 (2006.01) C08G 18/83 (2006.01) C08L 57/08 (2006.01) C08L 75/04 (2006.01) C09J 4/02 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2016773

ABSTRACT A composite comprises a coating which is adhered to an unsaturated usually cured elastomer uti- lizing a rubber-urethane adhesive having azoeneophile functionalities such as a dihydrocarbylazodicarboxylate, a dihydrocarbylazodicarboxamide, a dihydrocarbylazoester- amide, or the oxidized reaction product of a urethane prepolymer and a carbazate. A particularly useful car- rier 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 poly- urethane paint applied to the sidewalls of tires, as a decorated article, as an adhesively bonded elastomeric composite, and the like.

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