Abstract:
PROBLEM TO BE SOLVED: To provide a surface-treated steel plate which does not contain hexavalent chromium in a surface treatment composition or a film, and has excellent corrosion resistance and paint adhesiveness. SOLUTION: The surface treatment composition (H) containing titanium-containing aqueous solution (A), fluorine-containing compound (B), an anion-based urethane resin and/or anion-based epoxy resin (C), organic phosphoric compound (D), vanadate compound (E), zirconium carbonate compound (F), and silane coupling agent (G) having glycidyl group which are obtained by mixing titanium compound such as hydrolysable titanium compound with hydrogen peroxide water at the predetermined ratio is applied on a surface of a zinc-based or aluminum-based plated steel plate, and dried. A surface-treated film has the film deposition of 0.2-3.0 g/m 2 . COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet which is suitable to an Al-Zn-based alloy plated steel sheet used under non-coating in the use for building materials and the field of household electric appliances, mainly used in the outdoor environment, and contains no chromium in a film. SOLUTION: Regarding the surface-treated steel sheet, the surface of an Al-Zn-based alloy plating film is provided with a first surface treatment layer formed by applying a surface treatment composition comprising a titanium-containing liquid obtained by mixing at least one titanium compound selected from a hydrolyzable titanium compound, a low condensate of a hydrolyzable titanium compound, titanium hydroxide and a low condensate of titanium hydroxide with a hydrogen peroxide solution; a nickel compound; an aluminum compound; a fluorine-containing compound; and a silane compound, and drying the same, and the surface of the first surface treatment layer is provided with a second surface treatment layer formed by applying a surface treatment composition comprising a copolymerized resin obtained from: acrylic acid and/or methacrylic acid; acrylic acid ester and/or methacrylic acid ester having an alkyl chain of the carbon number of 1 to 6; and vinyl monomers copolymerizable with the acrylic acid and/or methacrylic acid and the acrylic acid ester and/or methacrylic acid ester, and drying the same. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet which has a film containing no hexavalent chromium thereon, has superior corrosion resistance, thermal discoloration resistance and blackening resistance, and further has excellent adhesiveness with an organic resin layer to be formed on the upper surface of the steel sheet. SOLUTION: The surface treatment composition (J) includes: a titanium-containing aqueous liquid (A) of 100 parts by mass in terms of a solid content, which is obtained by mixing a titanium compound such as a hydrolyzable titanium compound and a low condensate thereof with hydrogen peroxide water; a nickel compound (B) of 0.01 to 10 parts by mass with respect to the aqueous liquid (A); an aluminum compound (C) of 1 to 100 parts by mass; a fluorine-containing compound (D) of 1 to 800 parts by mass; and further silicon oxide (E) of 20 to 90 mass% by a ratio to the whole solid content in the composition. The surface-treated steel sheet has the film with a coating weight of 0.1 to 2.0 g/m 2 on the surface, which has been formed by applying the surface treatment composition (J) onto the surface of a zinc-base plated steel sheet or an aluminum-base plated steel sheet, and drying the applied composition. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a pollution-free surface treatment composition excellent in storage stability which is as rustpreventive as to chromatizing and phosphatizing. SOLUTION: The surface treatment composition contains (A) nonionic aqueous resin dispersion liquid with solid content of 100 pts.wt., (B) titanium-containing aqueous solution with solid content of 4-100 pts.wt. which is obtained by mixing at least one kind of titanium compound selected from the group consisting of hydrolytic titanium compound, low condensation product thereof, titanium hydroxide, and low condensation product thereof with hydrogen peroxide, (C) 4-100 pts.wt. organic phosphate and (D) 4-100 pts.wt. vanadium compound. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method of depositing a titanium corrosion-protective film of excellent corrosion resistance on a zinc or zinc alloy plated material. SOLUTION: Zinc or zinc alloy plated material is treated by a treatment solution (A) containing silica (a), mineral acid (b) and at least one kind of metal ion (c) to be selected among a group consisting of metal cations of a metal selected from Ti, Zr, Co, V, W and Mo, oxy-metallic anions of the metal, and fluoro-metal anions of the metal. Then, a titanium surface treatment film is formed by applying a titanium surface treatment agent (B) containing aqueous solution (d) containing titanium which is obtained by reacting at least one kind of titanium compound selected from among hydrolytic titanium, hydrolytic titanium low condensate with hydrogen peroxide, and drying the agent. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel tank made of a resin coated metal which is treated with a surface treating agent not containing chromium and has the corrosion resistance better than that by chromate treatment. SOLUTION: The fuel tank made of the resin coated metal is a metallic fuel tank having a plating layer essentially consisting of aluminum and/or zinc, a surface treated layer formed on this plating layer and a resin film layer formed on the surface treated film on at least outside surface side of metal plate constituting the tank, in which the surface treated film is formed of a surface treating composition obtained by adding (B) at least one kind of the compound selected from a phosphoric acid compound, hydrofluoric acid, metal halide or its salt, silicon halide or its salt and an organic acid or its salt to (A) an aqueous solution containing titanium obtained by reacting at least one of the titanium compound selected from hydrolyzable titanium, a low condensation product of the hydrolyzable titanium, titanium hydroxide, and a low condensation product of the titanium hydroxide with a hydrogen peroxide water. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a method for coating an automotive body, making it possible to obtain a coating film which is subjected to rust preventive treatment in place of phosphate treatment and has excellent chipping resistance. SOLUTION: The method for coating the automotive body comprises applying a primer treating agent which contains (A) an aqueous liquid obtained by reacting at least one kind of titanium compound selected from a hydrolyxable titanium compound, a hydrolyzable titanium compound low condensate, a titanium hydroxide and titanium hydroxide low condensate, and hydrogen peroxide, (B) at least one compound selected from a phosphoric acid-base compound, a metal hydrofluoric acid and a metal hydrofluorate and (C) an aqueous organic high molecular compound sable at a pH
Abstract:
PROBLEM TO BE SOLVED: To obtain a metallic surface treatment composition which enables the obtainment of corrosion resistance and lubricity by single treatment without incorporating heavy metals such as hexavalent chromium into a film. SOLUTION: The metallic surface treatment composition which can deposit a lubricating film is obtained by blending (A) a water based solution containing titanium obtained by reacting at least one kind of titanium compound selected from hydrolyzable titanium compounds, hydrolyzable titanium compound low condensation products, titanium hydroxide and titanium hydroxide low condensation products with a hydrogen peroxide solution with (B) at least one kind of compound selected from phosphoric compounds, metallic hydrofluoric acids and metallic hydrofluorides, (C) a water based organic high molecular compound stable at pH
Abstract:
PROBLEM TO BE SOLVED: To provide an aluminum fin material having hydrophilicity imparted thereto, excellent in corrosion resistance and hydrophilicity, and free from a problem from the viewpoint of preserving the environment. SOLUTION: This coating material for forming an inorganic film is made by blending an aqueous titanium-containing liquid (A) obtained by reacting an aqueous hydrogen peroxide with at least one titanium compound selected from hydrolyzable titanium compounds, lower condensates of hydrolyzable titanium compounds, titanium hydroxides and lower condensates of titanium hydroxides, and at least one halogenated compound (B) selected from halogenated titanium compounds, halogenated zirconium compounds, and halogenated silicon compounds.
Abstract:
PROBLEM TO BE SOLVED: To provide a coating agent for forming a titanium oxide film that is capable of easily forming a porous titanium oxide film, a method for forming a titanium oxide film, and a photocatalyst. SOLUTION: The coating agent for forming a titanium oxide film comprises (A) a titanium compound having a group which is formed into a hydroxy group by hydrolysis and/or an aqueous peroxotitanic acid solution prepared by mixing a low condensate of the titanium compound with aqueous hydrogen peroxide and (B) a polyethylene glycol. The method for forming a titanium oxide film comprises applying the coating agent to a substrate and thereafter calcining the coated substrate at a temperature of not less than 200 deg.C to form a porous titanium oxide film. The photocatalyst is produced by forming a porous titanium oxide film on a substrate by the method for forming a titanium oxide film.