Polymethacrylate additives and lube compositions thereof

摘要

A complex product of 1). an interpolymer of dialkylaminoalkyl methacrylate, C1-C6 alkyl methacrylate, C10-C14 alkyl methacrylate and C16-C20 alkyl methacrylate monomers and 2). a liquid poly(alkene-1) of a molecular weight between about 200 and 10,000 prepared by polymerizing the monomers comprising said interpolymer in the presence of said liquid poly(alkene-1). A mineral oil composition of improved viscosity, pour depressing and detergent-dispersant properties and concentrates thereof comprising between about 10 and 95 wt. % of a mineral oil of a lubricating viscosity and between about 0.1 and 90 wt. % of said complex product.