POUR POINT DEPRESSANT FOR LUBRICANT

摘要

Disclosed is a pour point depressant for lubricants, which has an effect of lowering pour points of both solvent refined base oils and high viscosity index base oils. Specifically disclosed is a pour point depressant for lubricants, which is composed of a mixture of an alkyl(meth)acrylate polymer (A), which is composed of an alkyl(meth)acrylate containing alkyl groups having an average carbon number (CA) of 12.5-13.8, and an alkyl(meth)acrylate polymer (B), which is composed of an alkyl(meth)acrylate containing alkyl groups having an average carbon number (CB) of 13.9-15.5.