C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/34 (2006.01)
Patent
CA 2207534
An aluminum surface treatment method is provided for forming a film having anticorrosion properties and, in particular, antirusting properties by treating aluminum or an aluminum alloy using an aluminum surface treatment agent comprising at least one of the metals zirconium, titanium hafnium, aluminum, silicon, germanium, tin, or boron, and at least one type of polymer compound comprising a homopolymer or a copolymer of an aromatic sulfonic acid monomer containing unsaturated bonds or an aliphatic sulfonic acid monomer containing unsaturated bonds. Also provided are aluminum or an aluminum alloy on which this film is formed.
Un processus de traitement de surfaces d'aluminium est présenté pour former une pellicule ayant des propriétés anticorrosives et, plus particulièrement, des propriétés antirouille en traitant l'aluminium ou un alliage d'aluminium utilisant un agent de traitement de surface d'aluminium comprenant au moins un des métaux suivants : zircon, titane hafnium, aluminium, silicium, germanium, étain ou boron et au moins un type de polymère composé comprenant un homopolymère ou un copolymère d'un monomère aromatique d'acide sulfonique contenant des liants non saturés ou un monomère d'acide sulfonique aliphatique contenant des liants non saturés. L'aluminium ou un alliage d'aluminium sur lequel cette péllicule est formée est aussi présenté.
Gowling Lafleur Henderson Llp
Nippon Paint Co. Ltd.
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