Process for improving the adhesion of coatings of vulcanized EPD

Details Process for improving the adhesion of coatings of vulcanized EPD Process for improving the adhesion of coatings of vulcanized EPD

1976-08-24

1978-04-18

Hoffman, James R.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427333, B05D 136, B05D 702

Patent

active

040852407

ABSTRACT:
A process for improving the adhesion of isocyanate-crosslinked polyester coatings on vulcanized articles of ethylene-.alpha.-olefin-diene terpolymers, characterized in that the vulcanized articles, which contain at least 30 parts by weight of carbon black per 100 parts by weight of the ethylene-.alpha.-olefin-diene terpolymer, are treated with a compound having a functional group reactive with isocyanates and a carbon structure with at least 4 carbon atoms.

REFERENCES:
patent: 3813257 (1974-05-01), West
patent: 3892885 (1975-07-01), Bragole
patent: 3991255 (1976-11-01), Blaskiewicz et al.

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