| 摘要 |
Polyolefin-substituted succinimide, which is the reaction product of a polyamine with 3 to 25 carbon atoms, selected from linear and branched alkylene polyamines, cycloaliphatic polyamines and heterocyclic polyamines, with a polyolefin-substituted succinic anhydride, in which the polyolefin moiety has a number average molecular weight from 600 to 1,300, and in which the average number of succinic groups per polyolefin group is between 1.4 and 4.0; process for preparing such products, and lubricating oil compositions containing them. |
