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公开(公告)号：EP0745434B1
公开(公告)日：2001-08-22
申请号：EP96108605.5
申请日：1996-05-30
发明人： Sujita, Shigeko, c/o Kawasaki Steel Corporation , Kusakabe, Takahiro, c/o Kawasaki Steel Corp. , Hamahara, Kyoko, c/o Kawasaki Steel Corp. , Mochizuki, Kazuo, c/o Kawasaki Steel Corp. , Tanabe, Hiroyuki , Nagai, Masanori , Kato, Nobuyoshi , Ogawa, Osamu
IPC分类号： B05D7/16
CPC分类号： B05D7/51 , Y10T428/12799 , Y10T428/12847 , Y10T428/12951 , Y10T428/31678
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2.发明公开
公开(公告)号：EP0745434A1
公开(公告)日：1996-12-04
申请号：EP96108605.5
申请日：1996-05-30
发明人： Sujita, Shigeko, c/o Kawasaki Steel Corporation , Kusakabe, Takahiro, c/o Kawasaki Steel Corp. , Hamahara, Kyoko, c/o Kawasaki Steel Corp. , Mochizuki, Kazuo, c/o Kawasaki Steel Corp. , Tanabe, Hiroyuki , Nagai, Masanori , Kato, Nobuyoshi , Ogawa, Osamu
IPC分类号： B05D7/16
CPC分类号： B05D7/51 , Y10T428/12799 , Y10T428/12847 , Y10T428/12951 , Y10T428/31678
摘要： An organic composite coated steel sheet having excellent chromate dissolution resistance, wet adhesion, and corrosion resistance before and after working. The steel sheet comprises a chromate-silica film on at least one face of a zinc or zinc base alloy plated steel sheet, the silica-added chromate film having about 5 to 500 mg/m 2 in terms of metal Cr content and being formed from a chromate solution containing about 25 to 70 wt% of Cr +6 based upon total Cr content. A resin coating film is adhered to the chromate-silica film and is formed from an aqueous paint. The aqueous paint includes an aqueous anionic resin and/or an aqueous nonionic resin, a reducing agent, and a water-dispersed silica. The resin coating film is deposited in a dry weight amount of about 0.1 to 3 g/m 2 .
摘要翻译： 具有优异的耐铬酸盐溶解性，湿粘合性和加工前后耐腐蚀性的有机复合涂层钢板。 所述钢板在锌或锌基合金镀覆钢板的至少一面上含有铬酸二氧化硅膜，所述二氧化硅添加的铬酸盐膜的金属Cr含量为约5〜500mg / m 2，为 由含有约25至70重量％的Cr +6的铬酸盐溶液形成，基于总Cr含量。 树脂涂膜粘附到铬酸盐 - 二氧化硅膜上，并由水性涂料形成。 水性涂料包括水性阴离子树脂和/或非水性非离子树脂，还原剂和水分散二氧化硅。 树脂涂膜以约0.1至3g / m 2的干重量沉积。
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