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    • 10. 发明授权
    • Lubricating oil for bearing
    • 润滑油轴承
    • US07517838B2
    • 2009-04-14
    • US10524843
    • 2003-08-22
    • Yasuyuki KawaharaKouji TakahashiHirotaka Tomizawa
    • Yasuyuki KawaharaKouji TakahashiHirotaka Tomizawa
    • C10M105/38C10M169/04
    • C10M169/04C10M2207/026C10M2207/144C10M2207/2835C10M2215/064C10M2215/223C10M2223/049C10N2240/02
    • Disclosed herein is a lubricating oil for bearings comprising(a) a diester represented by General Formula (1) wherein R1 and R2 are the same or different, and each represents a C3-C17 linear alkyl group; A represents a C2-C10 linear alkylene group or A represents a branched alkylene group consisting of a linear alkylene group, the linear alkylene group being the principal chain, and one or more alkyl groups (branches) bonded to the linear alkylene group, wherein the total number of carbon atoms of the linear alkylene group and the one or more alkyl groups is 3 to 10; with the proviso that when A is a branched alkylene group and has two or more alkyl groups, the two or more alkyl groups are not bonded to the same carbon atom; or a mixture of the diester with an additional base oil and (b) at least one member selected from the group consisting of phenol-based antioxidants and amine-based antioxidants, and optionally containing(c) at least one member selected from the group consisting of Phosphorus-based compounds and aliphatic linear monocarboxylic acids, and further optionally containing(d) at least one member selected from the group consisting of benzotriazole-based compounds and gallic acid-based compounds.
    • 本文公开了一种用于轴承的润滑油,其包含(a)由通式(1)表示的二酯,其中R 1和R 2相同或不同,并且各自表示C 3 -C 17直链烷基; A表示C2-C10直链亚烷基或A表示由直链亚烷基,直链亚烷基为主链和与该直链亚烷基结合的一个或多个烷基(支链)组成的支链亚烷基,其中, 直链亚烷基和一个或多个烷基的总碳原子数为3〜10; 条件是当A是支链亚烷基且具有两个或更多个烷基时,两个或更多个烷基不与相同的碳原子键合; 或二酯与另外的基础油的混合物和(b)至少一种选自苯酚类抗氧化剂和胺类抗氧化剂的成分,并且任选地含有(c)至少一种选自以下的成员: 的磷基化合物和脂肪族线性单羧酸,并且还任选地含有(d)至少一种选自苯并三唑类化合物和没食子酸类化合物的成分。