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    • 3. 发明专利
    • ANTICORROSIVE COATING METHOD FOR STEEL MATERIAL
    • JPH0631245A
    • 1994-02-08
    • JP18851292
    • 1992-07-16
    • NIPPON PAINT CO LTDMITSUBISHI HEAVY IND LTD
    • UEDA AKIHIROISHIHARA SHINICHISHIBATA AKIOYAMADA JYUNICHI
    • B05D1/36B05D7/00B05D7/14B05D7/24C09D5/10C09D183/00C09D183/04
    • PURPOSE:To provide a coating having excellent anticorrosive performance and high adhesiveness for steel material wherein a paint film of primer is not deteriorated by a method wherein specific heat-resistant, anticorrosive coating material, as primer, is applied to the surface of steel material and after the primer is dried, specific powder coating material is applied thereto and baked. CONSTITUTION:Anticorrosive coating method for steel material is such that heat- resistant, anticorrosive coating material having anode activity, wherein zinc dust is contained and hydrolytic initial condensation product of alkyl silicate or a mixture of initial condensation product and colloidal silica, as vehicle resin component, is used as a principal component, is applied to the surface of steel material as primer and after the primer is dried, powder coating material having thermal shrinkage stress of 40kg/cm or less is applied thereto and baked. The heat-resistant, anticorrosive coating material is not influenced by the baking temperature during baking and it produces a highly anticorrosive effect as a primer having anode activity due to zinc dust and further the powder coating material has low thermal shrinkage stress and when the paint film shrinks after being applied and baked, the paint film of the heat- resistant, anticorrosive coating material is prevented from being separated from the surface of the steel material.
    • 7. 发明专利
    • FI933139A
    • 1995-01-09
    • FI933139
    • 1993-07-08
    • MITSUBISHI HEAVY IND LTD
    • SHIBATA AKIOHIBI TERUMIMATSUDA KENICHIRO
    • B05D7/14
    • The invention relates to a method of painting a ship's hull section or the like. The method comprises: a sintering process, in which an electrostatic powder paint 2 is spread evenly over both sides of the steel plate 1 undergoing workshop priming or treatment for chemical reaction coating 1a after having been shot-blasted or steeped, the excess electrostatic powder paint spread on the steel plate is removed by the use of a numerically controlled suction nozzle 3, following which the electrostatic powder paint 5 spread on both sides of the steel plate is sintered by a high-frequency sintering process; an intermediate section assembly process in which the sintered steel plate 1 undergoes numerically controlled cutting 8 to the predetermined shape and related steel plate is welded 15 together with an unpainted section in order to produce an intermediate assembly section 9; a main section assembly process, in which a number of intermediate assembly sections are welded together in order to produce a main assembly section 10; and an integrated section assembly process, in which the main assembly section undergoes a second surface treatment 11 through steeping, following which a second painting 12 is performed on the main assembly section prior to the formation of an integrated section 13.