Oil-soluble hydrolyzed anionic-graft polymer of ethylene-propyle

Details Oil-soluble hydrolyzed anionic-graft polymer of ethylene-propyle Oil-soluble hydrolyzed anionic-graft polymer of ethylene-propyle

1976-10-13

1977-09-27

Demers, Arthur P.

Compositions

Electrolytes for electrical devices

252 515A, 252 50, 252 56R, 252 55, 260878R, C10M 132, C10M 118

Patent

active

040510484

ABSTRACT:
An oil-soluble, hydrolyzed, anionic-graft polymer of an anionically polymerizable nitrile monomer, preferably a C.sub.3 -C.sub.24 vinyl cyanide monomer, e.g. acrylonitrile, and an anion of an oxidized copolymer of ethylene and at least one C.sub.3 to C.sub.50 alpha monoolefin, e.g. propylene, said anionic-graft polymer in its preferred form containing from about 0.005 to 2% by weight nitrogen and having a number average molecular weight of from about 1000 to 500,000, has utility as a multifunctional V.I. improver and/or dispersant for lubricating oils or as an intermediate for derivatization, as by reaction with a nitrogen compound, to increase the oil additive activity.

REFERENCES:
patent: 3687849 (1972-08-01), Abbott et al.
patent: 3864268 (1975-02-01), Culbertson
patent: 3879304 (1975-04-01), Waldbillig

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