Metal-working lubricants

Details Metal-working lubricants Metal-working lubricants

C - Chemistry, Metallurgy

10

M

253/121, 134/47

C10M 173/02 (2006.01)

Patent

CA 1061321

ABSTRACT Compositions suitable for the manufacture of aqueous metal working lubricant emulsions contain a tetra-ester of pentaerythritol and a non-ionic emulsifying agent which is the condensation product of an alkyl phenol and ethylene oxide. Desirably, phosphoric acid is also present. Aqueous emulsions made from such compositions have high stability, low friction value and good-load- carrying properties. The emulsions are especially suited for use as lubricants in rolling steel or aluminum. When a higher friction value is required, and when acceptable in the process concerned, a quantity of mineral lubricating oil may also be present.

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