NIHON PARKERIZING CO., LTD. Patent applications |
Patent application number | Title | Published |
20160115342 | AQUEOUS HYDROPHILIC COATING COMPOSITION CAPABLE OF FORMING COATING FILM HAVING EXCELLENT SELF-CLEANING ABILITY AGAINST STAINS ADHERED THEREON, AND SURFACE-TREATED MATERIAL HAVING FORMED THEREON COATING FILM HAVING EXCELLENT SELF-CLEANING ABILITY AGAINST STAINS ADHERED THEREON - A water-based hydrophilic coating composition is characterized in that it is obtained by adding to a liquid medium: an inorganic compound (A) with colloidal silica (a) modified with at least one or more of organoalkoxysilane compounds (b) having one or more groups selected from the group consisting of a glycidyl group, a vinyl group and an amino group; a water-soluble resin (B); and amorphous silica (C) represented by M | 04-28-2016 |
20160068687 | AQUEOUS HYDROPHILIZING SURFACE TREATMENT AGENT, HYDROPHILIC COATING FILM AND HYDROPHILIZING SURFACE TREATMENT METHOD - A water-based surface treatment agent includes an organic-inorganic silicon compound (A) and inorganic particle (B), wherein the organic-inorganic silicon compound (A) is adapted to be a compound that is obtained by mixing a colloidal silica (C) and an organoalkoxysilane (D). In this regard, the ratio (M | 03-10-2016 |
20150299864 | METAL SURFACE TREATMENT LIQUID, SURFACE TREATMENT METHOD FOR METAL BASES, AND METAL BASE OBTAINED BY SURFACE TREATMENT METHOD FOR METAL BASES - A metal surface treatment liquid for use in forming a composite coating film containing a Bi element and a Group 4 element on a metal base. The metal surface treatment liquid is a fluorine-free aqueous treatment liquid containing (A) a Bi element source, (B) a multimer of at least one Group 4 element selected from the group consisting of Zr, Ti and Hf elements, and (C) one or more aminopolycarboxylic acids or a salt thereof. | 10-22-2015 |
20140050939 | SURFACE-TREATED METAL MATERIAL AND AQUEOUS METAL SURFACE-TREATMENT AGENT - A surface-treated metal material of the present invention has a composite film on the surface of a metal material. The composite film includes an organic silicon compound (W) having cyclic siloxane bonds, at least one metal compound (X) selected from a group consisting of a titanium compound and a zirconium compound, a phosphate compound (Y) and a fluorine compound (Z). In each of the components of the composite film, the ratio of X | 02-20-2014 |
20140030635 | CORROSION-RESISTANT ALLOY COATING FILM FOR METAL MATERIALS AND METHOD FOR FORMING SAME - A highly corrosion-resistant alloy coating film on the surface of a metallic material by a low-cost and mass-producible simple formation method including forming a corrosion-resistant alloy coating film on the surface of a metallic material, the film contains Ni, Cr, and Si as essential constituents, in which the content ratio of Cr is 1 to 50 wt %, the content ratio of Si is 0.1 to 30 wt %, and the film has a thickness of 0.1 to 1000 μm. | 01-30-2014 |
20130196167 | HYDROPHILIC FILM FORMED ON A SURFACE OF A METAL MATERIAL, HYDROPHILIZATION TREATMENT AGENT AND HYDROPHILIZATION TREATMENT METHOD - A hydrophilic film is formed on the surface of a metal material, inhibits the growth of condensation water, and provides mold resistance, and a hydrophilization treatment agent is used for forming the hydrophilic film. The hydrophilization treatment agent has one or more compounds selected from poorly water-soluble cerium compounds; and a hydrophilic film prepared from the hydrophilization treatment agent. The poorly water-soluble cerium compounds are one or more compounds selected from cerium carbonate, cerium fluoride, cerium fluoride, and cerium oxide. By forming the hydrophilic film on the surface of a metal material, the growth of condensation water can be inhibited, and the mold resistance can be provided. | 08-01-2013 |
20130034743 | ALUMINUM OR ALUMINUM ALLOY MATERIAL HAVING SURFACE TREATMENT COATING FILM, AND METHOD FOR TREATING A SURFACE THEREOF - Provided is an aluminum or aluminum alloy material having a surface treatment coating film on a surface of a substrate formed by an aluminum or aluminum alloy. The aluminum or aluminum alloy material has: a substrate formed by an aluminum or aluminum alloy; and a first protective layer and a second protective layer in the order on a surface of the substrate, wherein the first protective layer is a conversion coating film including vanadium and at least one or more types of metals selected from titanium, zirconium, and hafnium, the second protective layer is an organic coating film having a composition that includes (1) a chitosan derivative and a solubilizing agent, (2) a modified polyvinyl alcohol formed by graft polymerization of a hydrophilic polymer to a side chain of polyvinyl alcohol, and (3) a water-soluble crosslinking agent. | 02-07-2013 |
20130015072 | ALUMINUM ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME - An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface. | 01-17-2013 |
20120190790 | COMPOSITION FOR ADHESION LAYER USED FOR MULTI-LAYERED SURFACE-TREATMENT STEEL SHEET - A composition for adhesion layer that is used for obtaining a multi-layered surface treatment steel sheet in which an adhesion layer is formed onto at least one surface of the steel sheet, and an upper layer and/or an intermediate layer which has a design and which contains a rust preventive pigment and/or a colored pigment is formed onto the adhesion layer; the composition including a cationic urethane resin and a silicon compound in an aqueous medium, and the ratio between the temperature at which the logarithmic decrement for the mixture of the cationic urethane resin and the silicon compound in the rigid-body pendulum type free damped vibration method shows the maximum value and the temperature at which the logarithmic decrement for the cationic urethane resin alone in the rigid-body pendulum type free damped vibration method shows the maximum value is in the range of 1.2 to 3.0. | 07-26-2012 |
20120118434 | STEEL MEMBER HAVING NITROGEN COMPOUND LAYER AND PROCESS FOR PRODUCING SAME - A process for duplex heat treatment of combined nitriding treatment and induction quenching treatment on an iron and steel material includes a chemical conversion treatment step for forming a chemical conversion film on a nitrogen compound layer formed on the iron and steel material by the nitriding treatment, after the nitriding treatment and before the induction quenching treatment. A compound layer formed on a surface of an iron and steel material by nitriding treatment is prevented from being oxidized by induction quenching, so that unevenness in film thickness between different portions of an oxidization-inhibiting film does not easily occur, with the result that a nitrogen-containing compound layer obtained after high-frequency heating remain uniformly. | 05-17-2012 |
20110311838 | COMPOSITION FOR TREATING SURFACE OF METAL, METHOD FOR TREATING SURFACE OF METAL USING THE COMPOSITION, AND COATING FILM FOR TREATING SURFACE OF METAL UTILIZING THE COMPOSITION AND THE METHOD - A composition for metal surface treatment capable of forming films and imparting excellent corrosion resistance in relation to metallic materials, in particular, metal formations having complex shapes through a single dipping step. A composition for metal surface treatment contains 5 to 30% by weight of a nonionic and/or cationic water-based resin, 100 to 1,000 ppm of trivalent Bi ions and an aminopolycarboxylic acid at 0.5 to 10 times in molar concentration based on the Bi ions. | 12-22-2011 |
20110274939 | HYDROPHILIZING AGENT FOR ALUMINUM-CONTAINING METAL MATERIAL, HYDROPHILIZING METHOD, AND HYDROPHILIZED ALUMINUM-CONTAINING METAL MATERIAL - A hydrophilizing agent that maintains a favorable wettability for dew condensation even after a long-term use; a hydrophilizing method; and an aluminum-containing metal material treated by the hydrophilizing method and having excellent wettability for dew condensation are provided. The hydrophilizing agent contains a modified polyvinyl alcohol obtained by graft polymerization of at least one type of N-vinyl lactam onto polyvinyl alcohol, thereby having a polymer and/or copolymer of the N-vinyl lactam in a side chain and a water-soluble cross-linking agent which can bind to a lactam moiety and/or a hydroxyl group of the modified polyvinyl alcohol. By applying and drying the hydrophilizing agent, a hydrophilic film having excellent wettability for dew condensation is formed. | 11-10-2011 |
20110155949 | PROCESS FOR PRODUCTION OF ALUMINUM WHEEL - A process for producing an aluminum wheel includes a cleaning step, in which the surface of the aluminum wheel is chemically etched with an alkali cleaning liquid which contains an alkali builder, an organic builder, and a chelating agent to such an extent that the Si atomic ratio of metal Si to oxide Si is from 0.01 to 9, and a shot blast treatment step can be omitted for cleaning the surface of the aluminum wheel. | 06-30-2011 |
20100163138 | METHOD FOR QUENCHING OF STEEL MEMBER, QUENCHED STEEL MEMBER, AND AGENT FOR PROTECTING QUENCHED SURFACE - A technique for increasing mechanical strength, such as contact pressure strength, and abrasion resistance and bending fatigue strength, of mechanical and/or structural parts by using surface hardening treatment. A quenched steel member, wherein a hard nitride layer is formed on the surface of a steel material, and an inorganic compound layer containing at least one metal oxide selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, W, Mo and Al is formed on the hard nitride layer. | 07-01-2010 |
20100032301 | ALUMINUM ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME - An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface. | 02-11-2010 |
20090178454 | Particles coated with metallic soap and products and preparation process using them, and lubricating coating forming agent and lubricating coating - Particles each of which consists of an inorganic polyvalent metal compound as a nucleus and a coating of a metallic soap of the polyvalent metal coating the nucleus (coated particles); products and preparation processes using the particles; a lubricating coating forming agent wherein particles each of which consists of a polyvalent metal salt of phosphoric acid as a nucleus and a coating of a metallic soap of the polyvalent metal coating the surface of the nucleus are suspended in an aqueous solution of a water soluble inorganic salt and/or a water soluble organic acid salt; and a lubricating coating. The coated particles are novel particles which can be used as an ingredient of coating-type lubricating coating; are excellent in seizure resistance; can inhibit wear of tools at the time of plastic working since the friction coefficient of the surface of the particles is low; and are slow to cause pollution of working oils. Lubricating coating obtained by applying the lubricating coating forming agent onto the surface of a metallic material gives excellent cold plastic working properties, namely lubricity and seizure resistance to the metallic material. | 07-16-2009 |
20090068049 | ROTARY EQUIPMENT AND OIL PUMP - An oil pump has: a base part having a working chamber; and a rotor provided rotatably in the working chamber. The base part is configured by a plurality of split bodies. At least one of the plurality of split bodies is made of aluminum alloy, and on which an opposed sliding surface made of a ceramic film is formed. The ceramic film of the opposed sliding surface has a hardness of approximately Hv 500 to 1100 and a surface roughness of approximately 2 to 8 micrometers, and contains α-alumina and zirconia. | 03-12-2009 |