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PRODUCTION OF GALVANIZED SHEET EXCELLENT IN RESISTANCE AGAINST WHITE COLOR RUST, ADHESION PROPERTY WITH COATING MATERIAL AND RESISTANCE AGAINST ALKALI DEGREASING
PRODUCTION OF GALVANIZED SHEET EXCELLENT IN RESISTANCE AGAINST WHITE COLOR RUST, ADHESION PROPERTY WITH COATING MATERIAL AND RESISTANCE AGAINST ALKALI DEGREASING
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机译:优异的抗白化锌板的生产能力,抗镀膜材料的耐蚀性,以及抗碱脱脂性能
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摘要
PROBLEM TO BE SOLVED: To obtain a galvanized steel sheet excellent in resistance against white color rust, adhesion property with a coating material, resistance against alkali degreasing without causing environmental pollution by applying a specified amt. of a soln. containing a silicate ester and an inorg. salt or aluminum on a zinc-plated steel sheet and heating to dry. SOLUTION: The mixture of silicate and aluminum is incorporated in such a manner that the proportion of the inorg. salt is 0.01 to 0.75 molar ratio of Al/(Al+Si), and further polyethylene glycol having 4106 average mol.wt. is added by 0.01 to 1 time of the mole of the silicate. The soln. is applied on a zinc-plated steel sheet in such a manner that the sum amt. of Al and Si deposited is 5 to 1000mg/m2 , and then the applied soln. is dried by heating. At least one kind of colloidal silica or fumed silica is preferably added by 0.01 to 2 times of the moles of the silicate.
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机译:要解决的问题:通过施加特定的amt,以获得镀锌钢板,该镀锌钢板具有优异的抗白锈性,与涂料的粘附性,抗碱脱脂性而不会造成环境污染。一罐含有硅酸酯和一种无机物。在镀锌钢板上撒盐或铝,然后加热干燥。解决方案:硅酸盐和铝的混合物的加入方式应使无机成分的比例增加。该盐的Al /(Al + Si)摩尔比为0.01至0.75,并且另外的聚乙二醇具有<4106的平均摩尔重量。硅酸盐的加入量为硅酸盐摩尔的0.01至1倍。索恩以这样的方式将其施加到镀锌钢板上,即总和。所沉积的Al和Si的Al含量为5至1000mg / m 2,然后施加。通过加热干燥。优选以硅酸盐的摩尔数的0.01至2倍添加至少一种胶态二氧化硅或热解法二氧化硅。
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