C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/07 (2006.01) C23C 22/23 (2006.01) C23C 22/68 (2006.01)
Patent
CA 2271730
Aqueous liquid treatment compositions comprising as active ingredients boric acid and condensed phosphate ions can form iron phosphate containing conversion coatings on ferriferous substrates at rates of at least 0.3 g/m2/min. The coatings are useful as cold working lubricants, either as such or after overcoating with a supplemental lubricant.
Des compositions de traitement liquides et aqueuses, comprenant en tant que principes actifs de l'acide borique et des ions de phosphate condensé, peuvent former des revêtements de conversion contenant du phosphate de fer, sur des substrats ferrifères, à des taux d'au moins 0,3 g/m?2¿/min. Ces revêtements sont utiles en tant que lubrifiants de travail à froid, soit en tant que tels, soit après dépôt d'une couche de finition à l'aide d'un lubrifiant supplémentaire.
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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