Process for rendering surfaces permanently water wettable...

Details Process for rendering surfaces permanently water wettable... Process for rendering surfaces permanently water wettable...

B - Operations, Transporting

05

D

117/99, 204/97.0

B05D 5/04 (2006.01) B05D 1/36 (2006.01) C25D 13/06 (2006.01) C23F 7/00 (1980.01)

Patent

CA 1121227

ABSTRACT OF THE DISCLOSURE The surfaces of articles of manufacture fabricated from aluminum and other material which are not permanently water wettable are rendered permanently water wettable by coating the surface with a continuous film of the free acid form, of an acidic film forming polymer which forms water soluble salts, said film containing a curing agents for the polymer; contacting the polymer film under aqueous conditions with colloidal alumina or a polyvalent metal salt; curing the polymer to water insolubility; and, when required to render the cured film water wettable, hydrolyzing the surface portion only of the cured polymer.

326562

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