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40results about How to "Full corrosion resistance" patented technology
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Nanocomposite for fuel cell bipolar plate
InactiveCN1440574AReduce manufacturing costHigh mechanical strengthMaterial nanotechnologyNanostructure manufactureLiquid crystallineFiber
An electrically conductive flow-field plate in a proton exchange membrane fuel cell comprises a composition made of a resin and a plurality of carbon nanotubular fibers having an average diameter is at least about 0.5 nm and up to about 300 nm. The carbon nanotubular fibers are present at not more than about 85 wt. %. The resin can be of a thermoplastic type, a fluorinated type, a thermosetting type and a liquid crystalline type.
Owner:HONEYWELL INT INC
Ferritic stainless steel and method for producing same
InactiveCN105874092AFull corrosion resistanceGood formabilityFurnace typesHeat treatment furnacesAustenitic stainless steelFormability
Provided are: a ferritic stainless steel which has sufficient corrosion resistance and excellent formability; and a method for producing this ferritic stainless steel. The ferritic stainless steel according to the present invention contains, in mass%, 0.005-0.05% of C, 0.02-0.50% of Si, 0.05-1.0% of Mn, 0.04% or less of P, 0.01% or less of S, 15.5-18.0% of Cr, 0.001-0.10% of Al and 0.01-0.06% of N, with the balance made up of Fe and unavoidable impurities. This ferritic stainless steel is configured to satisfy El>=25%, (average r value)>=0.70 and the absolute value of delta r<=0.20.
Owner:JFE STEEL CORP
Ferritic stainless steel sheet and method for manufacturing same
ActiveCN107709592AFull corrosion resistanceGood formabilityFurnace typesHeat treatment furnacesForming limit diagramCorrosion
Provided are a ferritic stainless steel sheet having adequate corrosion resistance and excellent forming properties and ridging resistance, and a method for manufacturing the same. This ferritic stainless steel sheet contains, in terms of % by mass, 0.005-0.025% C, 0.02-0.50% Si, 0.55-1.00% Mn, 0.04% or less of P, 0.01% or less of S, 0.001-0.10% Al, 15.5-18.0% Cr, 0.1-1.0% Ni, and 0.005-0.025% N,the remainder comprising Fe and unavoidable impurities, the breaking elongation of the ferritic stainless steel sheet being 28% or greater, the average r value thereof being 0.75 or greater, and the minimum value of the maximum logarithmic strain of the forming limit based on a forming limit diagram (FLD) being 0.15 or greater.
Owner:JFE STEEL CORP
Water paint composition and coated articles
ActiveCN1637090AImprove water resistanceFull processabilityLiquid surface applicatorsSynthetic resin layered productsEpoxyFlavor
PROBLEM TO BE SOLVED: To provide an aqueous coating composition which improves various defects possessed by a self-emulsifiable epoxy resin, excels in water resistance, has sufficient processability, corrosion resistance, and slip properties at the same time when used as a can coating, particularly a lid coating, and can form a coating film having both flavor properties and adhesion when used as an inner surface coating for a bottomed cylindrical member. SOLUTION: The aqueous coating composition comprises an acrylic-modified epoxy resin (1), a basic compound, and an aqueous medium. Here, the acrylic-modified epoxy resin (1) is obtained by reacting part of the epoxy groups of an epoxy resin (a1) with part of the carboxy groups of a carboxy group-containing acrylic resin (a2) having an acid value X<SB>a< / SB>(mgKOH / g) of 10≤X<SB>a< / SB>≤135, a glass transition temperature Tg (°C) of -20≤Tg≤20, and a weight average molecular weight Mw of 10,000≤Mw≤200,000 and a carboxy group-containing acrylic resin (a3) having an acid value X<SB>B< / SB>(mgKOH / g) of 180≤X<SB>B< / SB>≤450. COPYRIGHT: (C)2005,JPO&NCIPI
Owner:TOYO INK SC HOLD CO LTD
Aluminum oxide sintered product and method for producing the same
InactiveCN101665352AFull corrosion resistanceImprove adsorption capacityRare-earth elementRoom temperature
The invention provides an aluminum oxide sintered product which can be provided with volume resistivity adjusted between the coulombian and Johnson type and excellent corrosion resistance. The aluminum oxide sintered product of the invention is the sintered product with layer phase containing a rare-earth element and fluorine among grains of aluminum oxide serving as a main component, or a phase containing a rare-earth element and fluorine along edges of grains of aluminum oxide serving as a main component. Such an aluminum oxide sintered product includes a phase containing a rare-earth element and a fluorine element among grains of aluminum oxide, the phase not being in the form of localized dots but in the form of line segments, when viewed in an SEM image. An aluminum oxide sintered product according to the present invention can be readily adjusted to have a volume resistivity in the range of 1*10 <13> to 1*10<16> omega.cm, wherein the volume resistivity is calculated from a currentvalue after the lapse of 1 minute from the application of a voltage of 2 kV / mm to the aluminum oxide sintered product at room temperature.
Owner:NGK INSULATORS LTD
Ferritic stainless steel and method for producing same
ActiveCN106715740AFull corrosion resistanceGood formabilityFurnace typesHeat treatment furnacesMaterials scienceAustenitic stainless steel
Provided is ferritic stainless steel which has sufficient corrosion resistance and excellent formability and ridging resistance. The ferritic stainless steel contains, in mass%, 0.005-0.035% of C, 0.25% or more but less than 0.40% of Si, 0.05-0.35% of Mn, 0.040% or less of P, 0.01% or less of S, 15.5-18.0% of Cr, 0.001-0.10% of Al and 0.01-0.06% of N, with Si and Mn satisfying 29.5*Si - 50*Mn + 6 >= 0 (wherein Si and Mn represent the contents (mass%) of the respective elements), and with the balance made up of Fe and unavoidable impurities.
Owner:JFE STEEL CORP
Anhydrous refrigerating fluid for internal combustion engine
InactiveCN108441176AIncrease heat transfer rateIncrease friction factorHeat-exchange elementsHigh resistanceCopper oxide
The invention discloses anhydrous refrigerating fluid for an internal combustion engine, and relates to the technical field of refrigerating fluid. The anhydrous refrigerating fluid is prepared from the following raw materials in percentage by mass: 85.53 to 95.0 percent of basic liquid, 1.2 to 3.0 percent of nano-particles, 1 to 3 percent of alkaline supplement agent, 0.75 to 1.47 percent of corrosion inhibitor, 0.5 to 2.0 percent of anti-foaming agent, and 2 to 5 percent of additive. A pH value is stabilized at 7.5 to 8.0; the basic liquid is prepared from mixed alcohol of ethylene glycol and propylene glycol; a nano-particle mixture is prepared from copper oxide nano-particles, silicon dioxide nano-particles and aluminum oxide nano-particles; the corrosion inhibitor is prepared from a mixture of sodium benzoate, heptanoic acid, toluene triazole, triazole, isooctanoic acid and diethylene glycol monomethyl ether. The anhydrous refrigerating fluid disclosed by the invention has high performance on comprehensive protection of multiple metals of an automobile cooling system; the complex type anhydrous refrigerating fluid has the advantages of good corrosion inhibitive ability, longlasting property, storage stability, high resistance to hard water, environmental friendliness and safety.
Owner:安徽职业技术学院
Dye sensitization solar battery, its electrode, resin composition for forming a screen film, screen film and its forming method
InactiveCN101877277ARadiation sensitiveImprove photoelectric conversion efficiencyLight-sensitive devicesSolid-state devicesHeight differenceSolar battery
The invention provides a resin composition capable of accurately coating a base plate with metal layout height difference and meanwhile forming a screen film capable of keeping high photoelectric conversion efficiency and having excellent corrosion stability. Furthermore, the invention provides the resin composition for forming the screen film at low cost only using the relative simple steps suchas the coating step and the heating step and an electrode for a dye sensitization solar battery with the screen film with corrosion stability with excellent photoelectric conversion efficiency. The electrode for the dye sensitization solar battery comprises the screen film formed by the resin composition, characterized in that: the resin composition comprises [A] having copolymer with at least one reactivity function base selected from the groups composed of a carboxyl group, an epoxy group and (methyl) acryl group.
Owner:JSR CORPORATIOON
Low-melting-point and high-hardness lead-free solder and preparation method thereof
InactiveCN106514032AGuaranteed touch resistanceGuaranteed SolderabilityWelding/cutting media/materialsSoldering mediaHardnessImpurity
The invention relates to a low-melting-point and high-hardness lead-free solder and a preparation method thereof. The low-melting-point and high-hardness lead-free solder is prepared from the following raw materials in percentage by weight: 5 to 8 percent of Zn, 30 to 40 percent of Bi, 0.2 to 0.5 percent of Mg, 0.1 to 0.2 percent of In, 0.01 to 0.015 percent of grapheme, and the balance being Sn and inevitable impurities. According to the low-melting-point and high-hardness lead-free solder disclosed by the invention, by optimizing components of the raw materials and adding the Mg and the grapheme, the hardness of the solder is effectively improved, a melting point is reduced, and the solder is enabled to have good welding performance.
Owner:ANHUI HUAZHONG WELDING MATERIAL CO LTD
Corrosion prevention method for aluminum-based metal component, and corrosion-proof aluminum-based metal product produced by the method
InactiveCN101041899AEasy to confirmFormation effect is goodMetallic material coating processesMetal layered productsSodium molybdateSulfate
The present invention provides a corrosion prevention method for an aluminum-based metal component, which makes it easy to check the presence or absence of a chemically formed film on the component, and a corrosion-proof aluminum-based metal product produced by the method. In the method, the following treatment agent (A) is brought into contact with a surface of the aluminum-based metal component to chemically form the following film (B) on the surface of the aluminum-based metal component: (A) a treatment agent comprising an aqueous solution of zinc sulfate, an aqueous solution of ammonium fluoride and an aqueous solution of sodium molybdate which are mixed together; (B) a chemically formed film (B) comprising zinc fluoride, molybdenum and aluminum fluoride.
Owner:SUMITOMO RIKO CO LTD
Ferrite-based hot-rolled stainless steel sheet, hot-rolled annealed sheet, and method for manufacturing said sheets
Provided are a ferrite-based hot-rolled stainless steel sheet and a hot-rolled annealed sheet that are adequately resistant to corrosion and are capable of inhibiting deflection and distortion following shaping. The ferrite-based hot-rolled stainless steel sheet contains 0.005-0060% by mass of C, 0.02-0.50% by mass of Si, 0.01-1.00% by mass of Mn, 0.04% or less of P, 0.01% or less of S, 15.5-18.0%by mass of Cr, 0.001-0.10% by mass of Al, 0.005-0.100% by mass of N, and 0.1-1.0% by mass of Ni, the remainder comprising Fe and inevitable impurities, and the absolute value of the in-plane anisotropy of the longitudinal modulus as calculated from formula (1) below being 35 GPa or less. the absolute value of [delta]E=the absolute value of (EL-28ED+EC) / 2 ... (1) (where EL is the longitudinal modulus (GPa) for the direction parallel to the rolling direction, ED is the longitudinal modulus (GPa) for the direction 45 degrees from the rolling direction, and EC is the longitudinal modulus (GPa) for the direction perpendicular to the rolling direction)
Owner:JFE STEEL CORP
Heat exchanger tube, heat exchanger, and brazing paste
ActiveCN106457483AFast heat conductionExcellent brazeabilityStationary conduit assembliesWelding/cutting media/materialsMetallurgyHeat exchanger
This heat exchanger tube is provided with: a tube main body configured from an aluminium alloy; and a coating film applied to the surface of the tube main body. The coating film includes a binder, and a mixed power including: at least 1 g / m<2> but not more than 7 g / m<2> of a Si powder; at least 0.2 g / m<2> but not more than 4.0 g / m<2> of a Zn powder; at least 0.5 g / m<2> but not more than 5.0 g / m<2> of a first flux powder configured from a Zn-containing compound; and at least 5 g / m<2> but not more than 20 g / m<2> of a second flux powder configured from a Zn-free compound. The total amount of the mixed powder in the coating film is not more than 30 g / m<2>. The proportion of the binder in the coating film is 5-40 mass%.
Owner:FURUKAWA SKY ALUMINUM CORP +1
Process for production of surface-modified rare earth sintered magnets and surface-modified rare earth sintered magnets
ActiveCN101809690BFull corrosion resistanceInorganic material magnetismSolid state diffusion coatingWater vaporRare earth
Owner:HITACHI METALS LTD
Copper radiator heat pipe with film
InactiveCN102367011AFully hydrophilicFull corrosion resistanceLayered productsCorrosion preventionPhysical chemistryCopper
The invention relates to a copper radiator heat pipe with a film, which is characterized in that: the film of the copper radiator heat pipe is formed in the way of depositing the coating composite on the surface of the copper or copper base, wherein the coating composite comprises Ag, carbohydrazide compound, sulfonic group copolymer resin, alcohol and water. The copper radiator heat pipe with the film can ensure the full hydrophily and corrosion resistance.
Owner:SUZHOU FANGJIYUAN ENERGY SAVING TECH
Water-based anticorrosive coating composition and anticorrosive coating method
ActiveCN109689809AImprove corrosion resistanceLong-term aestheticsLiquid surface applicatorsAnti-corrosive paintsEpoxyWater based
The invention provides a two-pack type water-based anticorrosive coating composition which comprises a first component (I), which comprises a water-thinnable polyamine resin (A) and a rust-preventivepigment ingredient (B), and a second component (II), which comprises a water-thinnable epoxidized resin (C), wherein the water-thinnable polyamine resin (A) is a resin produced from an epoxy resin (a1) and a polyamine compound (a2) as starting materials and having a total amine value in the range of 20-120 mg-KOH / g, the rust-preventive pigment ingredient (B) includes, as some of the ingredient, arust-preventing pigment (b) capable of releasing ions of at least one kind selected from among magnesium ions, aluminum ions, calcium ions, zinc ions, silicate ions, phosphate ions, vanadate ions, andmolybdate ions, the rust-preventive pigment ingredient (B) is contained in an amount of 1-100 parts by mass per 100 parts by mass of the water-thinnable polyamine resin (A), and the water-thinnable epoxidized resin (C) has a lower weight-average molecular weight than the water-thinnable polyamine resin (A).
Owner:KANSAI PAINT CO LTD
Protective element with drainage, for connecting to a concrete element of a tunnel extension
ActiveCN107923244APrevent disengagementFull corrosion resistanceConstruction materialUnderground chambersEngineeringPlastic materials
Owner:HERRENKNECHT AG
Ferritic stainless steel and method for producing same
ActiveCN105917016AImprove surface propertiesFull corrosion resistanceFurnace typesHeat treatment furnacesSS - Stainless steelCorrosion
Provided are: a ferritic stainless steel which has sufficient corrosion resistance and formability (large elongation and average r value, and small |[delta]r|), while being suppressed in the occurrence of linear streaks and having excellent surface properties; and a method for producing this ferritic stainless steel. A ferritic stainless steel according to the present invention contains, in mass%, 0.005-0.05% of C, 0.02-0.50% of Si, 0.05-1.0% of Mn, 0.04% or less of P, 0.01% or less of S, 15.5-18.0% of Cr, 0.001-0.10% of Al, 0.01-0.06% of N, 0.01-0.25% of V, 0.001-0.020% of Ti and 0.001-0.030% of Nb, with the balance made up of Fe and unavoidable impurities. In addition, this ferritic stainless steel is configured to satisfy V / (Ti+Nb)>=2.0.
Owner:JFE STEEL CORP
Ferrite-series stainless steeel cold-rolled steel plate and manufacturing method thereof
The invention provides a ferrite-series stainless steel cold-rolled steel plate and a manufacturing method thereof, wherein the ferrite-series stainless steel cold-rolled steel plate has advantages ofsufficient corrosion resistance, sufficient suppression of metal powder defects and excellent surface appearance. According to the manufacturing method of the ferrite-series stainless steel cold-rolled steel plate, hot rolling is performed on a steel raw material with specified components for manufacturing a hot-rolled steel plate; hot-rolled plate annealing, shot blasting processing and acid pickling are successively performed on the hot-rolled steel plate; and then cold rolling and cold-rolled plate annealing are performed. In the manufacturing method, the heating temperature in hot-rolledsteel plate annealing is set to 800-900 DEG C; the keeping time is set to 1-24 hours; collosion energy in shot blasting processing is set to 10-40kJ / m<2>; and furthermore the average particle diameterof the shot blasting particles in shot blasting processing is set to 0.2-1.0mm; and the hardness is set to HV350-550 according to a Vickers hardness tester.
Owner:JFE STEEL CORP
Water paint composition and coated articles
ActiveCN1269922CImprove water resistanceFull processabilityLiquid surface applicatorsSynthetic resin layered productsEpoxyAcrylic resin
The aqueous coating composition comprises an acrylic-modified epoxy resin (1), a basic compound, and an aqueous medium. Here, the acrylic-modified epoxy resin (1) is obtained by reacting part of the epoxy groups of an epoxy resin (a1) with part of the carboxy groups of a carboxy group-containing acrylic resin (a2) having an acid value X[a](mgKOH / g) of 10<=X[a]<=135, a glass transition temperature Tg (DEG C) of -20<=Tg<=20, and a weight average molecular weight Mw of 10,000<=Mw<=200,000 and a carboxy group-containing acrylic resin (a3) having an acid value X[B](mgKOH / g) of 180<=X[B]<=450. The aqueous coating composition excels in water resistance, has sufficient processability, and slip properties at the same time when used as a can coating, particularly a lid coating, and can form a coating film having both flavor properties and adhesion when used as an inner surface coating for a bottomed cylindrical member.
Owner:TOYO INK SC HOLD CO LTD
Film magnetic head and making method thereof
InactiveCN100481209CExtend your lifeImprove adhesionHeads using thin filmsTectorial membraneRefractive index
This invention provides a film magnetic head having a protection film at least at the surface opposite to the recording medium, in which, the protection film is expressed by a formula: SiCxHyOzNw, in which, X, Y, Z and W express the atomic ratio, X=3-26, Y=0.5~13, Z=0.5~6, W=0~6, its thickness is 1~3nm, its refractive power is 2.0 or over. This invention also provides a method for manufacturing the protection film and a film head by applying negative bias.
Owner:TDK CORPARATION
Ferritic stainless steel and manufacturing method thereof
ActiveCN106715740BFull corrosion resistanceGood formabilityFurnace typesHeat treatment furnacesCorrosion
Owner:JFE STEEL CORP
Eye drop composition
InactiveCN1909898AImprove securityImprove anti-corrosion performanceOrganic active ingredientsSenses disorderAdditive ingredientSURFACTANT BLEND
An eye drop composition which contains a quaternary ammonium salt in a reduced amount and, despite this, has a sufficient antiseptic effect. The composition contains nipradilol as a medicinal ingredient and is characterized by containing 0.0005 to 0.005% by mass cationic surfactant which is a quaternary ammonium salt.
Owner:TEIKA PHARMA CO LTD +1
Dye sensitization solar battery, its electrode, resin composition for forming a screen film, screen film and its forming method
InactiveCN101877277BRadiation sensitiveImprove photoelectric conversion efficiencyLight-sensitive devicesSolid-state devicesElectrical batteryAcyl group
Owner:JSR CORPORATIOON
Ferrite stainless hot-rolled-and-annealed steel sheet and production method for same
PendingCN112888802AFull corrosion resistanceExcellent punchabilityFurnace typesHeat treatment furnacesPunchingSS - Stainless steel
The present invention provides: a ferrite stainless hot-rolled-and-annealed steel sheet that is excellent for punching, has substantial corrosion resistance, and makes it possible to achieve a prescribed dimensional precision without cracking when punched into a thick flange; and a production method for the ferrite stainless hot-rolled-and-annealed steel sheet. A ferrite stainless hot-rolled-and-annealed steel sheet that has a ferrite single phase structure that has a component composition that contains, by mass%, 0.001%-0.020% of C, 0.05%-1.00% of Si, 0.05%-1.00% of Mn, no more than 0.04% of P, no more than 0.01% of S, 0.01%-0.10% of Al, 10.0%-20.0% of Cr, 0.50%-2.00% of Ni, 0.10%-0.40% of Ti, and 0.001%-0.020% of N, the remainder being Fe and unavoidable impurities, the average crystal grain size of the metal structure of the ferrite single phase structure being 5-20 microns.
Owner:JFE STEEL CORP
Method and agent for chemical conversion treatment and chemically conversion-treated members
InactiveCN101208460BAdequate substrate coverageFull corrosion resistancePretreated surfacesMetallic material coating processesSolid matterChemical conversion
Owner:HONDA MOTOR CO LTD +1
Nanocomposite for fuel cell bipolar plate
InactiveCN1302571CReduce manufacturing costHigh mechanical strengthMaterial nanotechnologyNanostructure manufactureLiquid crystallineFiber
Owner:HONEYWELL INT INC
Waterborne anti-corrosion coating composition and anti-corrosion coating method
ActiveCN109689809BImprove corrosion resistanceLong-term aestheticsLiquid surface applicatorsAnti-corrosive paintsEpoxyPolyamine Compound
The present invention provides a two-component water-based anticorrosion coating composition, which comprises: the first component (I) containing water-dilutable polyamine resin (A) and antirust pigment component (B), and containing water-dilutable The second component (II) of epoxy-based resin (C); the water-dilutable polyamine resin contains epoxy resin (a1) and polyamine compound (a2) as raw materials for manufacture and has 20 to 120 mgKOH / Resin with a total amine value of g; the antirust pigment component partly includes antirust pigment (b), and the antirust pigment can dissolve and be selected from magnesium ions, aluminum ions, calcium ions, zinc ions, silicate ions, phosphoric acid At least one ion among radical ions, vanadate ions and molybdate ions; based on 100 parts by mass of the water-dilutable polyamine resin, the antirust pigment component accounts for 1 to 100 parts by mass; and the water-containing The weight-average molecular weight of the dilutable epoxy-based resin is lower than that of the water-dilutable polyamine resin.
Owner:KANSAI PAINT CO LTD
Repair agent and repair method for plated base, as well as plated base
InactiveCN107761103AFull corrosion resistanceExcellent self-healing performanceMetallic material coating processesPhosphoric acidIonization
The invention provides a repair agent and repair method for a plated base, as well as a plated base. Disclosed is a repair agent for a plated base including a plating layer which is disposed on a surface of a metal base and which includes a metal with a stronger tendency to ionization than metal comprising the metal base, the repair agent including a phosphoric acid compound and a phosphonic acidcompound.
Owner:HIROSHIMA UNIVERSITY +1
Implant for non-luminal area
PendingCN113631745AGuaranteed mechanical strengthFull corrosion resistanceLiquid surface applicatorsSurgeryXylyleneMg alloys
Owner:JAPAN MEDICAL DEVICE TECH
Surface-modified magnesium alloy
ActiveCN113661265AGuaranteed mechanical strengthFull corrosion resistanceSurgeryPharmaceutical delivery mechanismCarbon layerDiamond-like carbon
Owner:JAPAN MEDICAL DEVICE TECH
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