Polyphenolics as lubricant oil additives

Details Polyphenolics as lubricant oil additives Polyphenolics as lubricant oil additives

C - Chemistry, Metallurgy

11

D

C11D 3/20 (2006.01) C10M 159/22 (2006.01)

Patent

CA 2507136

A process for preparing an oligomeric phenolic detergent composition comprising contacting an oil soluble alkylphenol with an alkaline earth metal base, an alpha amino acid, and a C1 to C6 aldehyde, in the in the presence of a C2 to C6 alkylene glycol and a C2 to C4 carboxylic acid; and reacting under reactive conditions at a temperature of from 150°C to 225°C. The oligomeric phenolic detergent product can be employed in a lubricating oil.

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