Lubricant additive

Details Lubricant additive Lubricant additive

C - Chemistry, Metallurgy

07

F

C07F 9/572 (2006.01) C10M 137/08 (2006.01) C10M 139/00 (2006.01) C10M 155/04 (2006.01) C10M 159/12 (2006.01)

Patent

CA 2303720

A lubricant additive obtained by heating an acidic phosphate ester and/or a phosphate ester (A) represented by the general formula (I): (see formula I) (wherein A represents H or OH, m is 0 or 1, when m is 0, A is OH, and when m is 1, A is H or OH, R1 and R2 each independently represent H, or a hydrocarbon group having 1 to 18 carbon atoms that may contain at least one O and S, both R1 and R2 are not simultaneously hydrogen atoms) and an amide-based dispersant containing boron (B) at a temperature of 120 to 150°C for 5 hours or more, which can concurrently enhance excellent wear resistance, excellent scoring resistance and prolong surface fatigue life while keeping the balance of these properties at an optimum level.

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