LUBRICATING OIL COMPOSITION
    10.
    发明申请
    LUBRICATING OIL COMPOSITION 审中-公开
    润滑油组成

    公开(公告)号:US20100009880A1

    公开(公告)日:2010-01-14

    申请号:US12443185

    申请日:2007-09-27

    申请人: Tahei Okada

    发明人: Tahei Okada

    IPC分类号: C10M137/04

    摘要: The lubricating oil composition contains a base oil; (A) an acidic alkyl phosphate ester having a C6 to C20 alkyl group; (B) a dialkylamine and/or a trialkylamine; and (C) (c-1) a sulfur compound in an amount of 0.2 to 0.6 mass % as reduced to S, the sulfur compound containing no poly-sulfur bond which is equal to or longer than —S—S—S— in a molecule thereof and having an S content of the molecule of 15 mass % or more and (c-2) an optional thiophosphoric acid trihydrocarbyl ester in an amount of 0.1 to 1.0 mass %, the ester being represented by formula (I): (R—O—)3P═S  (I) (wherein R represents a C6 to C20 hydrocarbyl group) and having a P content of the composition of 150 to 500 ppm by massThe lubricating oil composition has excellent anti-seizure performance, excellent anti-fatigue performance (e.g., anti-FZG-micropitting performance), and reduced sludge formation in an oxidation test.

    摘要翻译: 润滑油组合物含有基础油; (A)具有C6〜C20烷基的酸性烷基磷酸酯; (B)二烷基胺和/或三烷基胺; 和(C)(c-1)硫化合物的量为0.2〜0.6质量%,S为分子中不含-SSS-以上的多硫键的硫化合物, 所述酯的分子量为15质量%以上,(c-2)为0.1〜1.0质量%的任选的硫代磷酸三烃基酯,所述酯由式(I)表示:(RO-)3P -S(I)(其中R表示C6〜C20烃基),组合物的P含量为150〜500质量ppm。润滑油组合物具有优异的抗咬合性能,优异的抗疲劳性能(例如, 抗FZG-微孔性能),并且在氧化试验中减少了污泥的形成。