Process for bonding polyester reinforcing elements to rubber

Details Process for bonding polyester reinforcing elements to rubber Process for bonding polyester reinforcing elements to rubber

B - Operations, Transporting

29

D

18/949

B29D 30/40 (2006.01) C08J 5/06 (2006.01)

Patent

CA 1216120

ABSTRACT OF THE DISCLOSURE Polyester reinforcement fibers are treated to improve adhesion to rubber by applying a dissolved aromatic urethane coating to the fibers followed by coating the fibers with a resorcinol-formaldehyde latex and then heating the fibers sufficiently to convert the aromatic urethane to an aromatic isocyanate and applying to and curing a layer of rubber on said treated polyester fibers.

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