Oil-soluble anionic-graft polymers of ethylene/alpha-olefin...

Details Oil-soluble anionic-graft polymers of ethylene/alpha-olefin... Oil-soluble anionic-graft polymers of ethylene/alpha-olefin...

C - Chemistry, Metallurgy

10

M

253/102, 400/205

C10M 149/08 (2006.01) C08F 8/12 (2006.01) C10M 149/02 (2006.01)

Patent

CA 1076115

ABSTRACT OF THE DISCLOSURE An oil-soluble anionic-graft polymer of an anionically polymericable monomer, preferably an ethylenically unsaturated nitrogen- containing monomer, e.g. acrylonitrile, and an anion of an oxidized copolymer of ethylene and at least one C3 to C50 alpha-monoolefin, e.g. propylene, said anionic-graft polymer containing from about 0.005 to 2% by nitrogen and having a number average molecular weight of from about 1000 to 500,000, has utility as a multifunctional V.I. improver/dispersant for lubricating oils. The anionic graft polymer may be hydrolyzed or used as intermediate for derivation, as by reaction with a nitrogen compound, to increase its activity.

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