METHOD FOR TREATING AND/OR COATING A SUBSTRATE WITH NON-CHROME MATERIALS
摘要
<p>The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner to 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.</p>
申请公布号
CA2754819(C)
申请公布日期
2015.05.12
申请号
CA20102754819
申请日期
2010.01.27
申请人
PRC-DESOTO INTERNATIONAL, 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.