The present invention relates to a zinc-coated steel sheets that do not use chromium and resist rust-preventive coating solution and this coating solution is hot-dip galvanized steel sheet.; According to the present invention, based on the total weight of the anti-corrosive coating solution, lithium polysilicate (Li 2 Si 5 O 11) 5-15% by weight of the colloidal aqueous solution containing; formula [Ti IV (L 1) 2 (L 2) 2] (wherein L 1 = triethanol amino carbonate, L 2 = isopropoxide) 3-5% by weight of an organic titanium complex; formula [(CH 3 O) 3 Si -C 3 H 6 OCH 2 CH (η-1 , 2-0) CH 2] a silane crosslinking agent 3-5% by weight consisting of γ- glycidoxypropyl trimethoxysilane of; General formula (NH 4)2 zirconium compound of ZrCO 3 1-5% by weight; And the rest is water Configuration and, where the phosphoric acid (H 3 PO 4) is added to a PH of zinc, characterized in that the adjustment to 4-6-plated steel sheet and corrosion-resistant rust-preventive coating solution and the anti-corrosive coating solution with the coated hot-dip galvanized steel sheet is provided at the .; Anti-corrosive coating solution of the invention is to import good corrosion resistance and adhesion to the resin while not containing chromium is useful as environmentally friendly and corrosion resistant galvanized steel sheet anti-corrosive coating solution.
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机译：镀锌钢板技术领域本发明涉及一种不使用铬且不防锈的镀液的镀锌钢板，该镀液为热浸镀锌钢板。根据本发明，基于防腐蚀涂料溶液的总重量，聚硅酸锂（Li 2 Si 5 O 11）含有5-15％（重量）的胶体水溶液;公式 [Ti IV（L 1）2 （L 2） 2] （其中L 1 =三乙醇氨基碳酸酯，L 2 =异丙醇）3-5％（重量）的有机钛配合物;公式 [（CH 3 O）3 Si -C 3 H 6 OCH 2 CH（η-1，2-0）CH 2] 硅烷交联剂，按重量计3-5％，由γ-环氧丙氧基丙基三甲氧基硅烷组成; ZrCO 3 的通式（NH 4） 2 锆化合物的重量百分比为1-5％;其余的是水的构型，其中磷酸（H 3 PO 4）添加到锌的PH中，其特征在于将其调整为4-6-镀锌钢板和防腐镀液以及镀有涂层的热浸镀锌钢板的防腐涂料溶液提供在。本发明的防腐涂料溶液是要导入良好的耐腐蚀性和对树脂的粘附性，而不含铬则可用作环保和耐腐蚀的镀锌钢板防腐涂料溶液。
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