| 摘要 |
A quaternary ammonium succinimide salt composition represented by the formula: <IMAGE> in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical is provided, as well as a method of preparation and a lubricating oil composition containing same.
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