| 发明名称 |
VISCOSITY INDEX IMPROVER COMPOSITION AND LUBRICANT COMPOSITION |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a viscosity index improver composition that is excellent in viscosity index improvement effect.SOLUTION: A viscosity index improver composition contains (co)polymer (A) including (meth)acrylic acid alkyl (a) with a 4-13C branching alkyl group as an essential constituent monomer, and α-olefin (co)polymer (P). |
| 申请公布号 |
JP2014015506(A) |
申请公布日期 |
2014.01.30 |
| 申请号 |
JP20120152405 |
申请日期 |
2012.07.06 |
| 申请人 |
SANYO CHEM IND LTD |
发明人 |
KIMURA YASUO;NAKADA SHIGEKUNI |
| 分类号 |
C10M145/14;C10M101/02;C10M143/00;C10N20/02;C10N20/04;C10N30/02;C10N40/04;C10N40/08;C10N40/25 |
主分类号 |
C10M145/14 |
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