METAL SURFACE TREATMENT SOLUTION AND METHOD OF MANUFACTURING STEEL SHEET USING THE SAME
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United States of America Patent
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app pub date -
Jul 24, 2012
filing date -
May 23, 2008
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Abandoned
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Abstract
Disclosed herein is a metal surface treatment solution that can provide superior corrosion resistance and paint adhesion. The metal surface treatment solution includes 9˜13 wt % of an epoxy-based silane coupling agent, 5˜9 wt % of an amino-based silane coupling agent, 0.5˜1 wt % of a vanadium compound, 0.5˜1 wt % phosphoric acid; 0.5˜1 wt % of an organic acid, 0.1˜10 wt % of a Ti-Alkoxide, 0.1˜2 wt % of a chelating agent, 0.1˜5 wt % of a calcium phosphate-based compound,. 0.2˜10 wt % of a colloidal silica, and the balance of solvents. A method of manufacturing a surface treated steel sheet using the same is also disclosed.
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