| 摘要 |
Provided are an additive for lubricating oil, including a compound represented by the following general formula (1) as an essential component, and a lubricating oil composition blending same:
where R 1 , R 3 , R 5 , and R 7 each independently represent an alkyl group having 1 to 20 carbon atoms, R 2 , R 4 , R 6 , and R 8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, A represents a hydrocarbon group having 2 to 20 carbon atoms, and n represents a number from 1 to 10.
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