C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 11/24 (2006.01) C09D 183/16 (2006.01)
Patent
CA 2627399
Disclosed is a method for producing corrosion-resistant, painted oxide layers on aluminum or aluminum alloys. According to said method, a polysilazane solution is applied to a dry oxide layer that is painted with a water-soluble, anionic color, and the coating is then hardened at a temperature ranging from 40 to 150oC.
L'invention concerne un procédé pour produire des couches d'oxyde colorées résistantes à la corrosion sur l'aluminium ou sur des alliages d'aluminium, lequel procédé consiste à appliquer une solution de polysilazane sur une couche d'oxyde sèche colorée au moyen d'un colorant anionique soluble dans l'eau puis à faire durcir le revêtement à une température comprise entre 40 et 150 °C.
Brand Stefan
Dierdorf Andreas
Eich Oliver
Jozefowicz Mark
Liebe Hubert
Clariant Finance (bvi) Limited
Clariant International Ltd
Fetherstonhaugh & Co.
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