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US 7,077,895 B2Granted
Coating compound for forming titanium oxide film, method for forming titanium oxide film and metal susbstrate coated with titanium oxide film
AssigneeKansai Paint Co., Ltd.
InventorsJun Akui, Akinori Nagai, Yasuhiko Haruta, Osamu Isozaki
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Abstract
The present invention provides a coating composition for forming a titanium oxide film, comprising (A) a specific titanium-containing aqueous liquid and (B) at least one compound selected from the group consisting of organic acids and their salts. The present invention also provides a process for forming a titanium oxide film using the coating composition, and a metal substrate coated therewith.
Claims17
A coating composition for forming a titanium oxide film, comprising:
- (A) an aqueous peroxo titanic acid solution obtained by mixing a hydrolyzable titanium compound and/or its condensate having a condensation degree of 2 to 30, with aqueous hydrogen peroxide,
- the hydrolyzable titanium compound being a tetraalkoxytitanium represented by the formula
- Ti(OR)4 (1)
- wherein Rs may be the same or different and each represent C1 to C5 alkyl;
- and
- (B) at least one compound selected from the group consisting of organic acids and their salts.
3 more elements
Dependencies are inferred from the claim text.