オレフィン共重合体およびアクリル酸エステル共重合体を含有する潤滑剤

Japanese Patent JP2004525231

A

A lubricating oil composition comprising an oil of lubricating viscosity and a total of from about 1 to about 50% by weight of copolymers comprising (A) at least one ethylene-aliphatic olefin copolymer wherein the aliphatic olefins contain from 3 to about 24 carbon atoms, said copolymer (A) having Mn ranging from about 600 to about 5000, and (B) at least one copolymer comprising units derived from alkyl acrylate ester monomers containing from 2 to about 25 carbon atoms in the ester group, and optionally, from about 0.1% to about 20% by weight of at least one member of the group consisting of vinyl aromatic monomers and nitrogen-containing vinyl monomers. said copolymer (B) having Mn ranging from about 10,000 to about 350,000, wherein the weight ratio of (A):(B) ranges from about 99:1 to about 1:99.

Vinci, James N.
Tipton, Craig Dee.
Cain, Robert W.

JP2002582164A

August 19, 2004

March 18, 2002

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THE LUBRIZOL CORPORATION

C10M169/04; C08L23/08; C10M101/02; C10M137/10; C10M143/04; C10M143/06; C10M143/08; C10M143/10; C10M145/14; C10M149/04; C10M149/06; C10M149/10; C10M157/00; C10M157/04; C10M167/00; C10M177/00; C08L33/08; C10N20/02; C10N20/04; C10N30/00; C10N30/02; C10N30/08; C10N40/04; C10N70/00; (IPC1-7): C10M169/04; C10M101/02; C10M137/10; C10M143/04; C10M143/06; C10M143/08; C10M143/10; C10M145/14; C10M149/04; C10M149/06; C10M149/10; C10M177/00

JPH11279233A	1999-10-12
JPH093131A	1997-01-07
JPS6322897A	1988-01-30
JPH07102023A	1995-04-18

Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita

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