Hydrophilic surface treatment chemicals, hydrophilic surface...

Details Hydrophilic surface treatment chemicals, hydrophilic surface... Hydrophilic surface treatment chemicals, hydrophilic surface...

C - Chemistry, Metallurgy

08

L

117/183, 400/420

C08L 31/04 (2006.01) B05D 7/16 (2006.01) C08L 61/28 (2006.01) C08L 77/00 (2006.01) C09D 129/04 (2006.01) C09D 131/04 (2006.01) C09D 161/28 (2006.01) C09D 177/00 (2006.01)

Patent

CA 2023116

ABSTRACT OF THE DISCLOSURE A hydrophilic surface treatment chemicals comprising, on a solid basis, (a) 1-10 parts by weight of at least partially saponified polyvinyl acetate having a saponification degree of 45 or more and a polymerization degree of l00-600, (b) 0.3-15 parts by weight of water-soluble nylon, and (c) 0.1-5 parts by weight of a water-soluble amino resin, a weight ratio of the component (b) to the total of the components (a) and (c), (b)/[(a)+(c)], being in the range of 1 - 1/4, and a weight ratio of the component (a) to the component (c), (a)/(c), being in the range of 1/0.05 -1/0.5. The hydrophilic surface treatment bath is prepared by properly diluting the chemicals for surface-treating aluminum members.

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