The present invention provides a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b) a crosslinked polymer derived from monomers comprising: (i) 0.001 wt % to 7 wt % of a di- or higher functional crosslinking monomer; (ii) 30 wt % or higher of a hydrocarbyl-substituted (meth)acrylic monomer, wherein each hydrocarbyl contains greater than 8 carbon atoms; and (iii) 0 wt % to 40 wt % of a hydrocarbyl-substituted (meth)acrylic monomer, wherein each hydrocarbyl contains 8 or fewer carbon atoms. The invention further provides a method of preparing the crosslinked polymer and its use in a lubricating composition for lubricating an internal combustion engine.
申请公布号
WO2008058108(A3)
申请公布日期
2008.10.02
申请号
WO2007US83728
申请日期
2007.11.06
申请人
THE LUBRIZOL CORPORATION;JOHNSON, JOHN;VISGER, DANIEL C.;BAUM, MARINA;SCHOBER, BARTON J.;WANG, YING
发明人
JOHNSON, JOHN;VISGER, DANIEL C.;BAUM, MARINA;SCHOBER, BARTON J.;WANG, YING