C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/00 (2006.01) C10M 173/02 (2006.01) C23C 22/08 (2006.01) C23C 22/10 (2006.01)
Patent
CA 2411484
The invention involves a composition for forming a combined conversion and lubricating coating on a metal substrate with which the composition is brought into contact. The composition comprises (a) an oxyethylated aliphatic alcohol whose aliphatic hydrocarbon moiety contains 18 or more carbon atoms and (b) dissolved phosphate anions. Preferably the composition also comprises inorganic boron, an alkali metal salt of a fatty acid, and an accelerator for phosphate coating.
L'invention concerne une composition servant à créer un revêtement combiné de conversion et de lubrification sur un substrat métallique avec lequel on met cette composition en contact. Cette composition contient (a) un alcool aliphatique oxyéthylé dont la fraction hydrocarbure aliphatique comprend 18 atomes de carbone ou davantage et (b) des anions de phosphate dissous. Cette composition contient également, de préférence, du bore inorganique, un sel de métal alcalin d'un acide gras et un accélérateur de revêtement au phosphate.
Henkel Kommanditgesellschaft Auf Aktien
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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