C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 173/00 (2006.01) C10M 129/26 (2006.01) C10M 173/02 (2006.01)
Patent
CA 2342359
A highly effective solid cold working lubricant may be deposited on a metal surface from an aqueous solution/dispersion that contains ethoxylated alcohols with at least 18 carbon atoms per alcohol and lithium, calcium, and/or sodium salts of fatty acids. Optional preferred ingredients include inorganic boron containing compounds, ethoxylated castor oil, ionomers, and a corrosion inhibitor that includes azoles. No prior conversion coating, such as is generally used under conventional organic soap lubricants, is needed with this type of solid film.
Un lubrifiant pour l'usinage à froid, solide, hautement efficace peut être déposé à la surface d'un métal à partir d'un solution/dispersion aqueuse contenant des alcools éthoxylés d'au moins 18 atomes de carbone par alcool, et des sels de lithium, calcium et/ou de sodium d'acides gras. Des ingrédients préférés éventuels comprennent des composés inorganiques contenant du bore, de l'huile de ricin éthoxylée, des ionomères et un inhibiteur de corrosion comprenant des azoles. Avec ce type de film solide, il n'est pas nécessaire d'appliquer un revêtement de transformation, comme c'est généralement le cas lorsqu'on utilise des lubrifiants organiques conventionnels à base de savons.
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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