Process for the surface treatment of polymer articles to provide

Details Process for the surface treatment of polymer articles to provide Process for the surface treatment of polymer articles to provide

1987-10-28

1989-02-28

Lieberman, Allan M.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427307, B05D 102, B05D 118, B05D 128, B05D 702

Patent

active

048084409

ABSTRACT:
Polyurethane articles of manufacture are treated so as to make their surfaces more adherent to paint by contacting the surfaces of the articles with a solution of phosphoric acid in a low molecular weight organic solvent, e.g. a carboxylic acid ester such as ethyl acetate. The treated article is then dried at an elevated temperature.

REFERENCES:
patent: 3607536 (1971-09-01), Bragele
patent: 3697306 (1972-10-01), Miller
patent: 3869303 (1975-03-01), Orlov et al.
patent: 4472467 (1984-09-01), Tamaki et al.
patent: 4567241 (1986-01-01), Kitchens et al.
patent: 4613653 (1986-09-01), Kitchens et al.
patent: 4731262 (1988-03-01), Ohno et al.

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