Plastic laminate repair

Details Plastic laminate repair Plastic laminate repair

1989-02-22

1990-08-14

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 98, 156278, 156280, 156281, 264 36, 427140, 428 63, B32B 3500

Patent

active

049484435

ABSTRACT:
A process for repairing plastic laminates comprising cleaning the damaged areas and filling the same with a suitably colored patch material. Preferably the patch material comprises a mixture of an aqueous dispersion of a vinyl acetate homopolymer with an aqueous dispersion of a vinly acetate/acrylic copolymer, together with a color pigment, and a filler. Desirable additonal ingredients to the patch material include an aqueous polyurethane dispersion and a thickening agent. An initial foundation base layer comprising an epoxy material may be applied to the damaged area before the patch material is applied. After drying and smoothing, the surface of the patch may be decorated with a design to match the undamaged area, and a clear coat of polyurethane is applied to the patch.

REFERENCES:
patent: 4133913 (1979-01-01), Moore
patent: 4181547 (1980-01-01), Speer
patent: 4419162 (1983-12-01), Fischer

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