Extreme pressure additive for use in metal lubrication

Details Extreme pressure additive for use in metal lubrication Extreme pressure additive for use in metal lubrication

C - Chemistry, Metallurgy

10

M

253/93

C10M 105/52 (2006.01) C10M 135/10 (2006.01) C10M 141/08 (2006.01) C10M 163/00 (2006.01)

Patent

CA 1221677

EXTREME PRESSURE ADDITIVE FOR USE IN METAL LUBRICATION ABSTRACT It is known to use chlorinated paraffins as an extreme pressure lubricant additive in lubricating metals. Such additives are highly corrosive, however, and for that rea- son are not suitable for a number of uses, such as in the lubrication of internal combustion engines. The present invention overcomes the corrosive problems of the previous chlorinated paraffin additives. The present invention in- volves the mixing of a major amount of chlorinated paraf- fins with a minor amount of an alkaline earth metal sulfo- nate, such as calcium sulfonate, and preferably a base mi- neral oil. The resulting additive can be added to standard motor oil to improve its extreme pressure performance in internal combustion engines.

477059

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