Process for producing vulcanized rubber-synthetic resin composit

Details Process for producing vulcanized rubber-synthetic resin composit Process for producing vulcanized rubber-synthetic resin composit

1989-05-19

1991-02-19

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264250, 156333, 156335, B29C 4514

Patent

active

049942220

ABSTRACT:
A vulcanized rubber-synthetic resin composite structure is produced by injecting a molten synthetic resin into a mold in which a vulcanized rubber molding has been disposed. For improvement the surface of the vulcanized rubber molding which comes into contact with the synthetic resin is chrominated, and on the chlorinated surface a curable adhesive layer composed mainly of resol-type phenolic resin and aldehyde-modified polyvinyl alcohol is formed. Alternatively a curable adhesive layer composed mainly of chlorosulfonated polyethylene is formed the surface of the vulcanized rubber molding which comes into contact with the synthetic resin, to which the molten synthetic resin is injected while keeping the vulcanized rubber molding heated.

REFERENCES:
patent: 3878134 (1975-04-01), Ozelli
patent: 3944523 (1976-03-01), Gobran
patent: 4111880 (1978-09-01), Abendroth
patent: 4159363 (1979-06-01), Elmer
patent: 4427759 (1984-01-01), Gruetzmacher
patent: 4559688 (1985-12-01), Abu-Isa
patent: 4718837 (1988-01-01), Frazzell
patent: 4762589 (1988-08-01), Akiyama

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