B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/08 (2006.01) B05D 3/02 (2006.01) C08G 63/48 (2006.01) C09D 167/08 (2006.01) C23F 11/00 (2006.01) C25D 11/18 (2006.01)
Patent
CA 2335076
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.
La présente invention concerne un revêtement anticorrosion pour aluminium ou alliages d'aluminium. La composition selon l'invention peut être appliquée directement sur l'aluminium ou sur l'alliage d'aluminium ou sur une forme anodisée d'aluminium ou d'alliage d'aluminium, ou bien sur un article en aluminium anodisé ou non avec couche de conversion non chrome. La couche de protection externe se compose pour l'essentiel d'une émulsion aqueuse de polyacide, d'un polyol et d'une cire de lanoline que réagit in situ sur l'article. L'invention concerne également un article en aluminium ou en alliage d'aluminium comportant une couche externe anticorrosion d'un polyester avec cire de lanoline et un procédé de formation d'une couche anticorrosion sur la surface extérieure d'un article.
Sanchem Inc.
Sim & Mcburney
LandOfFree
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