发明名称 |
METHOD FOR TREATING AND/OR COATING A SUBSTRATE WITH NON-CHROME MATERIALS |
摘要 |
The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner onto at least a portion of the substrate; (b) rinsing at least a portion of the substrate that was subjected to step (a) with water; (c) applying an acid cleaner onto at least a portion of the caustically cleaned substrate; (d) rinsing at least a portion of the substrate that was subjected to step (c) with water; and (e) applying a conversion coating comprising zirconium onto at least a portion of the acid cleaned substrate; and wherein at least one of the materials used in steps (c) and (e) is substantially chrome free. The present invention is also directed to a substrate, such as an aluminum substrate, that has been coated using the aforementioned method.
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申请公布号 |
US2010243108(A1) |
申请公布日期 |
2010.09.30 |
申请号 |
US20090414719 |
申请日期 |
2009.03.31 |
申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
KARABIN RICHARD F.;KAYLO ALAN J.;MCMILLEN MARK W.;MILES MICHELLE S.;PEFFER ROBIN M.;RAKIEWICZ EDWARD F.;WILSON CRAIG A. |
分类号 |
C23C22/78;C22C21/00;C23C28/00 |
主分类号 |
C23C22/78 |
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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