Method of improving the adhesion of polyurethane to vinyl resins

Details Method of improving the adhesion of polyurethane to vinyl resins Method of improving the adhesion of polyurethane to vinyl resins

1979-10-05

1981-04-28

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

15624423, 1563086, 427 541, 427302, 428315, 4284246, B05D 306

Patent

active

042646430

ABSTRACT:
A method of improving the bond between a vinyl resin material and a polyurethane or acrylated polyurethane resin material which comprises coating a fused vinyl resinous layer with an aqueous acetic acid solution, drying the aqueous coating, applying an uncured polyurethane or acrylated polyurethane layer to the coated surface of the vinyl resin material and exposing the vinyl resinous composition layer and the uncured polyurethane or acrylated polyurethane resin layer to curing conditions to develop a strong and permanent bond between the two layers.

REFERENCES:
patent: 3293094 (1966-12-01), Nairn
patent: 3293108 (1966-12-01), Nairn
patent: 3489631 (1970-01-01), Chen et al.
patent: 3740252 (1973-06-01), Chaikin
patent: 3813257 (1974-05-01), West
patent: 4093686 (1978-06-01), Briston et al.
patent: 4176210 (1979-11-01), Skinner
patent: 4180615 (1979-12-01), Bettoli

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