Polymethacrylate additives and lubricating compositions thereof

Details Polymethacrylate additives and lubricating compositions thereof Polymethacrylate additives and lubricating compositions thereof

C - Chemistry, Metallurgy

10

M

253/102, 400/652

C10M 149/04 (2006.01) C08F 255/00 (2006.01) C10M 157/00 (2006.01) C10M 157/04 (2006.01)

Patent

CA 1083128

ABSTRACT OF THE DISCLOSURE A complex product of 1). an interpolymer of an N,N- dialkylaminoalkyl methacrylamide, 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 proper- ties and concentrates thereof comprising between about 10 and 95 wt. % mineral oil of a lubricating viscosity and between about 0.1 and 90 wt. % of said complex product.

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