| 摘要 |
FIELD: chemistry.SUBSTANCE: invention refers to a graft copolymer, a method for producing it and to a lubricant oil composition, which contains a graft polymer as an additive. The graft polymer contains polyolefin having an average molecular weight of less than 15,000 and polydispersity from 1.1 to 10, a nitrogen-containing ethylene-unsaturated aliphatic or aromatic grafted monomer having from 2 to approximately 50 carbon atoms, and a metal organic compound specified in molybdenum organic, titanium organic, manganese organic compounds and mixtures thereof.EFFECT: using the grafted polymer of the present invention as an additive to the lubricant oil composition improves the operational anti-wear, oxidation stability and shear stability properties.14 cl, 5 tbl, 7 ex |
