Kansai Paint Company, Ltd.

Jfe Steel Corporation

Jun Akui

Osamu Isozaki

Hideo Kogure

Genji Imai

Yasuhiko Haruta

Daisuke Kojima

Takashi Nakano

Akira Matsuzaki

Satoru Ando

Takahiro Kubota

Kenji Seko

Nobue Fujibayashi

Akinori Nagai

Satoru Furusawa

Tetsuo Ogawa

Yutaka Yoshikawa

Junya Yoshitake

Syuji Nomura

Yoshikazu Morohoshi

Takashi Okubo

A surface-treated steel sheet is disclosed, including a zinc based plated steel sheet having thereon a surface-treated film containing titanium, nickel, aluminum and fluorine and having a film thickness of from 0.05 to 1.0 &#x3bc;m, the surface-treated film having a titanium deposition amount of from 0.01 to 0.5 g/mand containing from 0.01 to 5 parts by mass of nickel, from 0.1 to 25 parts by mass of aluminum and from 1 to 500 parts by mass of fluorine relative to 100 parts by mass of titanium. This surface-treated steel sheet does not contain hexavalent chromium in the film thereof at all and has excellent heat discoloration resistance, corrosion resistance and resistance to blackening.

Surface-treated steel sheet

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.

Coating compound for forming titanium oxide film, method for forming titanium oxide film and metal susbstrate coated with titanium oxide film

An inorganic film-forming coating composition prepared by adding a basic compound (B) to a titanium-containing water based solution (A) obtained by reacting a hydrogen peroxide water with at least one titanium compound selected from the group consisting of a hydrolizable titanium compound, a low condensation product of the hydrolizable titanium compound, titanium hydroxide and a low condensation product of the titanium hydroxide; and an inorganic film-forming method by use of the coating composition.

Coating material for inorganic-film formation and method of forming inorganic film from the coating material

The present invention provides: a coating composition for forming a titanium oxide film, comprising (A) a titanium-containing aqueous liquid obtained by mixing at least one titanium compound selected from the group consisting of hydrolyzable titanium compounds, low condensates of hydrolyzable titanium compounds, titanium hydroxide and low condensates of titanium hydroxide with aqueous hydrogen peroxide, and (B) at least one halide selected from the group consisting of titanium halides, titanium halide salts, zirconium halides, zirconium halide salts, silicon halides and silicon halide salts; a process for forming a titanium oxide film, comprising applying the coating composition to a metal substrate and drying the resulting coat; and an undercoating material for metal substrates and a post-treating agent for phosphate undercoats on metal substrates, the material and agent being the above coating composition.

Coating material for forming titanium oxide film, method for forming titanium oxide film and use of said coating material

Water-based solder resist composition

Liquid photocurable composition, water-based photocurable composition and resist pattern-forming method by use of the same

An organic solvent based photocurable resist composition containing a photopolymerizable polyurethane compound having a repeating unit represented by the following formula: B&mdash;&lsqb;X&rsqb;,&lsqb;Y&rsqb;,&mdash;B, where X is represented by the formula:

Organic-solvent-based photocurable resist composition and resist pattern-forming method

Growing community of inventors

Hiratsuka, Japan

Jun Akui