发明名称 Phosphate conversion coatings for composite metals
摘要 A process for forming a protective coating for protecting a substrate metal from corrosion and improving the adhesion of subsequently applied coatings, comprising treating the metal with an aqueous acidic solution containing molybdate in an amount of from 0.01 to 10.0 g/l, chromium in an amount of from 0.01 to 10.0 g/l, fluoride in an amount of from 0.01 to 10.0 g/l, phosphate in an amount of from 0.01 to 10.0 g/l, zinc in an amount of from 0.005 to 1.0 g/l, and acetate in an amount of from 0.01 to 10.0 g/l. The process successfully treats a variety of metals, and provides high-quality coated composites.
申请公布号 US4775427(A) 申请公布日期 1988.10.04
申请号 US19870097781 申请日期 1987.09.17
申请人 GERHARD COLLARDIN GMBH 发明人 PORTZ, HEINZ;GEIMER, HORST-PETER
分类号 C23C22/42;C23C22/43;C23C22/44;C23C22/78;(IPC1-7):C23C22/33 主分类号 C23C22/42
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