Title:
VISCOSITY INDEX IMPROVER AND LUBRICANT COMPOSITION
Document Type and Number:
Japanese Patent JP2014152315
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a viscosity index improver which realizes excellent shear stability of a lubricant composition and low HTHS viscosity of the lubricant composition and hardly increases low-temperature viscosity of the lubricant composition.SOLUTION: The viscosity index improver contains a (co)polymer comprising as an essential constituent monomer a monomer represented by the specified general formula (1) or (2).
Inventors:
NAKADA SHIGEKUNI
YAMASHITA HIROKI
TATSUMI TAKENORI
YAMASHITA HIROKI
TATSUMI TAKENORI
Application Number:
JP2013025952A
Publication Date:
August 25, 2014
Filing Date:
February 13, 2013
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD
International Classes:
C10M145/14; C08F220/18; C08F290/06; C08L33/06; C10M149/06; C10M153/02; C10N20/00; C10N20/02; C10N20/04; C10N30/00; C10N30/02; C10N40/04; C10N40/08; C10N40/25
Domestic Patent References:
| JP2007262239A | 2007-10-11 | |||
| JP2008024908A | 2008-02-07 |
Foreign References:
| WO2007116759A1 | 2007-10-18 |
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