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DIALKYL SULFIDE, METHOD FOR PRODUCING DIALKYL SULFIDE, EXTREME-PRESSURE ADDITIVE, AND LUBRICATING FLUID COMPOSITION
DIALKYL SULFIDE, METHOD FOR PRODUCING DIALKYL SULFIDE, EXTREME-PRESSURE ADDITIVE, AND LUBRICATING FLUID COMPOSITION
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机译:二烷基硫化物,生产二烷基硫化物,极压添加剂和润滑流体组合物的方法
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摘要
An object of the present invention is to provide a dialkyl sulfide which can effectively form a metal sulfide film on a metal surface even in a low-temperature environment, has excellent storage stability, and is suitable as an extreme-pressure additive. The present invention provides a dialkyl sulfide represented by general formula (1) below (in the formula, R 1 and R 2 each independently represent an alkyl group, and n is an integer), wherein the content of a compound having an n value of 1 in the general formula (1) is 10.0% by mass or less relative to the total amount of compounds represented by the general formula (1), the total of the content of a compound having an n value of 2 in the general formula (1), the content of a compound having an n value of 3, and the content of a compound having an n value of 4 is 50.0% to 70.0% by mass relative to the total amount of compounds represented by the general formula (1), and the total of the content of a compound having an n value of 5 in the general formula (1), the content of a compound having an n value of 6, the content of a compound having an n value of 7, and the content of a compound having an n value of 8 is 30.0% to 40.0% by mass relative to the total amount of compounds represented by the general formula (1).
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