Method for forming chromium-free conversion coating

Details Method for forming chromium-free conversion coating Method for forming chromium-free conversion coating

1996-10-16

1997-12-02

Pianalto, Bernard

Coating processes

Spraying

427428, 427435, 4274432, B05D 102

Patent

active

056933711

ABSTRACT:
Methods for providing a conversion coating to a metal surface are provided. The methods comprise applying to a metal surface an aqueous composition comprising a diglycidyl ether of Bisphenol A, a fluoacid, and a silicon compound containing a hydrolyzable group.

REFERENCES:
patent: 4191596 (1980-03-01), Dollman et al.
patent: 4762638 (1988-08-01), Dollman et al.
patent: 5026440 (1991-06-01), Finnenthal
patent: 5053081 (1991-10-01), Jacob
patent: 5282905 (1994-02-01), Reichgott et al.
patent: 5427632 (1995-06-01), Dolan
patent: 5518770 (1996-05-01), Goliaszewski et al.

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