| 摘要 |
<p>I provide an outer anti-corrosion aluminum or aluminum alloy protective coating composition. The composition may be applied directly to the aluminum or aluminum alloy or to an anodized form thereof or to an anodized or non-anodized aluminum or aluminum article which has a non-chromium conversion coating therein. The outer protective coating composition contains as essential ingredients an aqueous emulsion of a polybasic acid, a polyol and a lanolin wax acid which react in-situ on the article. Also, I provide the aluminum or aluminum alloy article having thereon an outer layer of an anti-corrosive lanolin wax polyester coating and a method of forming an anti-corrosion layer on the outer surface of the article.</p> |
