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ORGANIC COMPOSITE CLAD STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AND ITS PRODUCTION

机译:有机复合钢薄板的耐腐蚀性能及生产性能

摘要

PURPOSE: To inexpensively produce an organic composite clad steel sheet excellent in corrosion resistance by forming a Cr oxide layer on the surface layer of a Zn-Cr allay plated layer with a specified compsn. provided on the surface of the steel sheet and providing a resin layer contg. silica on the upper layer. ;CONSTITUTION: At least one face of a steel sheet is electroplated with a Zn-Cr allay contg. 5 to 20wt.% Cr by 1 to 30g/m2 coating weight. Next, this Zn-Cr allay plated layer is subjected to surface oxidation to form a Cr oxide layer in which Cr is oxidized over 0.01 to 0.1μm thickness on the surface layer. Moreover, on the upper layer, a resin layer contg. about 20 to 60 pts.wt. silica and organic high polymer resin such as epoxy resin is formed by 0.2 to 1.5g/m2.;COPYRIGHT: (C)1996,JPO
机译:目的:通过廉价地在具有指定成分的Zn-Cr合金镀层的表面层上形成Cr氧化物层,以廉价地生产耐腐蚀性优异的有机复合复合钢板。设置在钢板的表面上并提供连续的树脂层。上层二氧化硅。 ;组成:钢板的至少一个表面电镀有Zn-Cr合金。 5至20 wt。%Cr按1至30g / m 2 涂层重量计算。接下来,对该Zn-Cr合金镀层进行表面氧化以形成Cr氧化物层,其中Cr在表面层上被氧化0.01至0.1μm厚。此外,在上层上连续有树脂层。约20至60 pts.wt.二氧化硅和有机高分子树脂(如环氧树脂)的用量为0.2至1.5g / m 2 。;版权所有:(C)1996,日本特许厅

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