发明名称 |
OIL COMPOSITION FOR LUBRICATING AN EGR EQUIPPED DIESEL ENGINE AND AN EGR EQUIPPED DIESEL ENGINE COMPRISING SAME |
摘要 |
The present invention is directed to a lubricating oil composition, a diesel engine comprising a lubricating oil composition, and a method of lubricating a diesel engine provided with an exhaust gas recirculation system, comprising lubricating said engine with a lubricating oil composition comprising an oil of lubricating viscosity, and a polymeric N-dispersant booster comprising monomer units of: a) 0 to 40 wt.% of one or more ethylenically unsaturated ester compounds of formula (I), wherein R is equal to H or CH<SUB>3</SUB>, R<SUP>1</SUP> represents a linear or branched alkyl group with 1 to 5 carbon atoms, R<SUP>2</SUP> and R<SUP>3</SUP> independently represent H or a group of the formula -COOR', wherein R' is H or an alkyl group with 1 to 5 carbon atoms, b) 10 to 98 wt.% of one or more ethylenically unsaturated ester compounds of formula (II), wherein R is equal to H or CH<SUB>3</SUB>, R<SUP>4</SUP> represents a linear or branched alkyl group with 6 to 15 carbon atoms, R<SUP>5</SUP> and R<SUP>6</SUP> independently represent H or a group of the formula -COOR", wherein R" is H or an alkyl group with 6 to 15 carbon atoms, c) 0 to 30 wt.% of one or more ethylenically unsaturated ester compounds of formula (III), wherein R is equal to H or CH<SUB>3</SUB>, R<SUP>7</SUP> represents a linear or branched alkyl group with 16 to 30 carbon atoms, R<SUP>8</SUP>and R<SUP>9</SUP> independently represent H or a group of the formula -COOR"', wherein R"' is H or an alkyl group with 16 to 30 carbon atoms, d) 0 to 30 wt.% vinyl monomers, e) 7 to 25 wt.% of at least one N- dispersant monomer, wherein a) - e) add up to 100 wt.%. |
申请公布号 |
WO2006066649(A3) |
申请公布日期 |
2006.08.10 |
申请号 |
WO2005EP11453 |
申请日期 |
2005.10.26 |
申请人 |
ROHMAX ADDITIVES GMBH;KINKER, BERNARD;FISCHER, MATTHIAS;BOLLINGER, MARTIN;CYBERT, ROBERT;BIELMEIER, ERNST;COOPER, DAVID;FISCHER, ANGELIKA;CROESSMANN, MELANIE |
发明人 |
KINKER, BERNARD;FISCHER, MATTHIAS;BOLLINGER, MARTIN;CYBERT, ROBERT;BIELMEIER, ERNST;COOPER, DAVID;FISCHER, ANGELIKA;CROESSMANN, MELANIE |
分类号 |
C10M161/00;C10M149/02;G01N33/28 |
主分类号 |
C10M161/00 |
代理机构 |
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