LOW-FRICTION SLIDING MECHANISM INCLUDING LUBRICANT COMPOSITION
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United States of America Patent
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Sep 13, 2018
app pub date -
Sep 15, 2016
filing date -
Sep 15, 2016
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Abstract
The present invention provides a low-friction sliding mechanism comprising a lubricant composition on a sliding plane between a DLC-coated sliding member (A) and a sliding member (B), wherein the DLC-coated sliding member (A) is formed by coating a base material with diamond-like-carbon containing 10 atom % or less of hydrogen, the sliding member (B) includes at least one kind of material selected from the group consisting of a metal material, a non-metal material, and a metal or non-metal coated material having a surface coated with a thin film, and the lubricant composition contains a basic oil (C), PAG (D), and an acid oxygen-containing organic compound (E) with an acid number of more than 1 mgKOH/g.
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