Abstract: 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 ?m, the surface-treated film having a titanium deposition amount of from 0.01 to 0.5 g/m2 and 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.

Abstract: 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 ?m, the surface-treated film having a titanium deposition amount of from 0.01 to 0.5 g/m2 and 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.

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.

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.

Abstract: The present invention provides a gas barrier film comprising at least one titanium oxide film layer (B) laminated on one or both sides of a plastic film layer (A). The film of the invention has excellent barrier properties to gases such as oxygen, carbonic acid gas and water vapor, good UV screening properties, good flavor retention properties, and high transparency.

Abstract: 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.

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.

Abstract: An inorganic film-forming coating composition prepared by adding an orgnobasic 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention provides an aqueous solder resist composition comprising: (a) A water-soluble or water-dispersible, photopolymerizable resin containing at least one polymerizable unsaturated group and at least one carboxyl group, the carboxyl group being neutralized with an amine compound, (b) a photoinitiator, (c) an amino resin, and (d) a low reactivity epoxy compound free of an epoxy group represented by the formula  wherein Y is oxygen or nitrogen.

Abstract: The present invention provides a gas barrier film comprising at least one titanium oxide film layer (B) laminated on one or both sides of a plastic film layer (A). The film of the invention has excellent barrier properties to gases such as oxygen, carbonic acid gas and water vapor, good UV screening properties, good flavor retention properties, and high transparency.

Abstract: A liquid photocurable composition containing a photopolymerizable polyurethane compound having a repeating unit represented by the following formula: B—[X]n[Y]m—B, where X is represented by the formula: and Y is represented by the formula: —OOCHN—A—NHCOO(R2)—, A is a structural unit derived from a polyisocyanate compound, B is same or different and a structural unit derived from a hydroxy compound having at least one photopolymerizable unsaturated group at molecular terminals respectively and optionally containing an ether linkage, R1 is a structural unit derived from a carboxyl group-containing polyol compound, R2 is a structural unit derived from a polyol compound, n is an integer of 1 to 10, m is an integer of 1 to 10, provided that one X and one Y are bonded to each other, or three or more of X and/or Y are bonded to each other, and optionally containing a photopolymerizable compound other than the photopolymerizable polyurethane co

Abstract: The present invention provides a coating composition for forming a titanium oxide, comprising (A) an aqueous peroxo titanic acid solution obtained by mixing, with aqueous hydrogen peroxide, a titanium compound containing a group or groups convertible to a hydroxyl group by hydrolysis and/or a low condensate of the compound and (B) polyethylene glycol; a process for forming a titanium oxide film, comprising applying the coating composition to a substrate and calcining the resulting coating at a temperature not lower than 200° C. to form a porous titanium oxide film; and a photocatalyst comprising a porous titanium oxide film formed on a substrate by the process.

Abstract: An organic solvent based photocurable resist composition containing a photopolymerizable polyurethane compound having a repeating unit represented by the following formula: B—[X]n[Y]m—B, where X is represented by the formula: and Y is represented by the formula: —OOCHN—A—NHCOO(R2)—, A is a structural unit derived from a polyisocyanate compound, B is same or different and a structural unit derived from a hydroxy compound having at least one photopolymerizable unsaturated group at molecular terminals respectively and optionally containing an ether linkage, R1 is a structural unit derived from a carboxyl group-containing polyol compound, R2 is a structural unit derived from a polyol compound, n is an integer of 1 to 10, m is an integer of 1 to 10, provided that one X and one Y are bonded to each other, or three or more of X and/or Y are bonded to each other.