发明名称 |
Method of applying a zinc-nickel phosphate coating. |
摘要 |
<p>This invention relates to a method of coating metal surfaces including zinc-coated steel with zinc and nickel phosphate crystals for the purposes of improving paint adhesion, corrosion resistance, and resistance to alkali solubility. Potassium, sodium, or ammonium ions present as a phosphate salt are combined with zinc ions and nickel or manganese ions in relative proportions to cause the nickel or manganese ions to form a crystalline coating on the surface in combination with the zinc and phosphate.</p> |
申请公布号 |
EP0261597(A2) |
申请公布日期 |
1988.03.30 |
申请号 |
EP19870113653 |
申请日期 |
1987.09.18 |
申请人 |
CHEMFIL CORPORATION |
发明人 |
CHARLES, HARRY RANDOLPH;MILES, DONALD LEE;CAPE, THOMAS WILSON |
分类号 |
C23C22/12;C23C22/18;C23C22/36;C23C22/80 |
主分类号 |
C23C22/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|