Method of improving adhesion and adhesion improvers used therefo

Details Method of improving adhesion and adhesion improvers used therefo Method of improving adhesion and adhesion improvers used therefo

1982-06-08

1983-06-21

Jacobs, Lewis T.

Coating processes

With pretreatment of the base

427322, 427327, 428447, 428448, 523454, 523456, 523435, 525102, 5253265, 525342, B05D 136, C08L 3102

Patent

active

043894321

ABSTRACT:
The invention provides a novel means for solving the problem of poor adhesion between the surface of a substrate of a metal or a plastic resin, e.g. polycarbonate resin, and a cured coating film of an organopolysiloxane formed thereon to impart good surface properties, e.g. hardness and weathering resistance, to the substrate surface by use of an adhesion improver as a primer which comprises a copolymer of an organosilicon compound having a hydrolyzable group and an ethylenic unsaturation in the molecule, glycidyl methacrylate and an organic monomer, e.g. methyl methacrylate and vinyl acetate, a reaction product of an aminoalkyl-containing organosilane compound and an acid anhydride and, optionally, an ultra-violet light absorber in a limited proportion.

REFERENCES:
patent: 4235954 (1980-11-01), Humphrey
patent: 4243720 (1981-01-01), Schroeter et al.
patent: 4353959 (1982-10-01), Olson et al.

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