发明名称 |
AQUEOUS TREATMENT LIQUID FOR Sn-PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE AND COATING ADHESION, AND METHOD FOR PRODUCING SURFACE-TREATED STEEL SHEET |
摘要 |
<p>An aqueous treating solution for an Sn-based plated steel sheet, comprising (A) an organic material, (B) a water-soluble chromium compound, (C) a water-dispersible silica, and water, wherein the organic material (A) is at least one member selected from an oxy-acid with the ratio of hydroxyl group/carboxyl group in one molecule being from 3/1 to 10/1, its lactone form and an oxide derivative thereof, the water-soluble chromium compound (B) does not contain hexavalent chromium, and pH is from 0.7 to 6.0.</p> |
申请公布号 |
EP2060660(B1) |
申请公布日期 |
2015.02.25 |
申请号 |
EP20070807179 |
申请日期 |
2007.09.06 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
YAMAGUCHI, SHINICHI;KUROSAKI, MASAO;GOTO, YASUTO;KUMAGAI, MANABU;MIZUNO, KENSUKE;KOZAKI, TAKUMI |
分类号 |
C23C22/48;C23C22/07;C23C22/08;C23C22/34;C23C22/36;C23C22/58 |
主分类号 |
C23C22/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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