摘要:
A black galvanized steel sheet including a composite coating layer formed on a surface of a blackened galvanized steel sheet by applying a treatment solution containing a phosphate ion, a vanadate ion, a metal ion, an α,β-unsaturated carboxylic acid and a glycoluril resin; and an organic resin layer formed on the composite coating layer, is provided. The black galvanized steel sheet is excellent in heat absorption and heat dissipation, electrical conductance, and corrosion resistance in a worked portion. Furthermore, the black galvanized steel sheet does not include hexavalent chromium.
摘要:
A black colored steel sheet has a Zn—Ni plating steel sheet which is processed by blackening treatment and a coating film formed on a surface of the Zn—Ni plating steel sheet by applying a paint composition which contains (a) metal ions, (b) a water soluble organic resin, (c) a water dispersible organic resin, (d) a glycoluril resin, and (e) an acid.
摘要:
A black galvanized steel sheet including a composite coating layer formed on a surface of a blackened galvanized steel sheet by applying a treatment solution containing a phosphate ion, a vanadate ion, a metal ion, an α,β-unsaturated carboxylic acid and a glycoluril resin; and an organic resin layer formed on the composite coating layer, is provided. The black galvanized steel sheet is excellent in heat absorption and heat dissipation, electrical conductance, and corrosion resistance in a worked portion. Furthermore, the black galvanized steel sheet does not include hexavalent chromium.
摘要:
In the present application, a steel sheet having surface-treated zinc-based plating is provided which comprises a zinc-based plating layer, a chromium-free conductive intermediate layer and an organic resin layer, all of the layers being superimposed one on another in the order mentioned. Even though it is of a so-called chromium-free surface-treated steel sheet, the steel sheet is more conductive and more highly resistant to corrosion than conventional chromium-free steel sheets, the likelihood of water pollution is reduced, and the steel sheet can be used in various applications as a replacement for conventional chromate-treated steel sheets.
摘要:
A composition for metal surface treatment which comprises an aluminum ion, a magnesium ion, a manganese ion, a water-soluble organic resin, an acid and water; and a surface treated metal material which has been treated with the composition. The resultant surface treated metal material is free from the danger of water contamination owing to chromium, since the composition is free of chromium, and also is excellent in both electrical conductivity and corrosion resistance. Accordingly, the metal material can be used in a wide variety of applications in place of a conventional chromate-treated steel sheet and the like.
摘要:
A coated steel sheet that has excellent bending workability, press formability, film adhesiveness after processing, solvent resistance, chemical resistance, stain resistance, weather resistance, electrical conductivity, and corrosion resistance, good surface appearance, and sufficient film hardness is provided. The coated steel sheet is produced by successively forming a galvanized layer and a chemical conversion coating free from chromium on both faces of a steel sheet, and forming a monolayer film on the chemical conversion coating at one face of the steel sheet. The monolayer film contains a polyester resin cured with a cross-linker and resin particles. The resin particles have an average particle size in the range of 3 to 40 μm, a glass transition temperature in the range of 70° C. to 200° C., and hardness higher than that of the polyester resin.
摘要:
A black-coated steel sheet exhibits good bendability and a good appearance after press working is provided. Zinc based plating layers, a chromium-free chemical conversion coating disposed on the zinc based plating layer, and a colored single organic coating which is disposed on the chemical conversion coating and which contains a polyester resin having a hydroxyl value of 10 KOHmg/g or more, an imino-containing melamine resin, and 5 to 15 percent by mass of carbon black are included, wherein the glass transition temperature (Tg) of the organic coating is 40° C. or higher, the film thickness is 10 μm or less, and the hardness is 200 N/mm2 or more.
摘要翻译:黑色钢板表现出良好的弯曲性,并且在冲压加工后具有良好的外观。 锌基镀层,设置在锌基镀层上的无铬化学转化涂层和设置在化学转化涂层上并含有羟基值为10KOHmg / g的聚酯树脂的着色单一有机涂层或 更优选含有亚胺基的三聚氰胺树脂和5〜15质量%的炭黑,其中有机涂层的玻璃化转变温度(Tg)为40℃以上,膜厚为10μm以下 ,硬度为200N / mm 2以上。
摘要:
A black-coated steel sheet exhibits good bendability and a good appearance after press working is provided. Zinc based plating layers, a chromium-free chemical conversion coating disposed on the zinc based plating layer, and a colored single organic coating which is disposed on the chemical conversion coating and which contains a polyester resin having a hydroxyl value of 10 KOHmg/g or more, an imino-containing melamine resin, and 5 to 15 percent by mass of carbon black are included, wherein the glass transition temperature (Tg) of the organic coating is 40° C. or higher, the film thickness is 10 μm or less, and the hardness is 200 N/mm2 or more.
摘要翻译:黑色钢板表现出良好的弯曲性,并且在冲压加工后具有良好的外观。 锌基镀层,设置在锌基镀层上的无铬化学转化涂层和设置在化学转化涂层上并含有羟基值为10KOHmg / g的聚酯树脂的着色单一有机涂层或 更优选含有亚胺基的三聚氰胺树脂和5〜15质量%的炭黑,其中有机涂层的玻璃化转变温度(Tg)为40℃以上,膜厚为10μm以下 ,硬度为200N / mm 2以上。
摘要:
A semi-organic insulation coating includes an inorganic component and an organic resin, a Zr compound and an Si compound contains a plate-like silica as an inorganic component and are included in a ratio in a dry coating of 20 to 70 mass % of Zr compound (converted to ZrO2) and 10 to 50 mass % of Si compound containing plate-like silica (converted to SiO2), and the remainder is substantially an organic resin, whereby a magnetic steel sheet with a semi-organic insulation coating has no deterioration of corrosion resistance and water resistance without containing a chromium compound and being excellent in powdering resistance, scratch resistance, sticking resistance, TIG weldability, punchability and coating appearance.
摘要:
An electrical steel sheet is provided with an insulating coating which has inorganic with some organic materials, the insulating coating including inorganic components and an organic resin, the insulating coating contains, as the inorganic components, a Zr compound, a B compound, and a Si compound, specifically, when expressed as percentages in the dry coating, 20% to 70% by mass of the Zr compound (in terms of ZrO2), 0.1% to 5% by mass of the B compound (in terms of B2O3), and 10% to 50% by mass of the Si compound (in terms of SiO2), and the balance containing the organic resin.
摘要翻译:电气钢板设有绝缘涂层,其具有无机的一些有机材料,绝缘涂层包括无机组分和有机树脂,该绝缘涂层含有Zr化合物,B化合物和Si 化合物,具体地,当以干涂层中的百分比表示时,Zr化合物的20质量%〜70质量%(以ZrO 2计),0.1%〜5质量%的B化合物(以B 2 O 3计),和 10质量%〜50质量%的Si化合物(以SiO 2计),余量为有机树脂。