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    • 4. 发明申请
    • UREA GREASE COMPOSITION
    • 尿素油脂组合物
    • WO2010069984A1
    • 2010-06-24
    • PCT/EP2009/067263
    • 2009-12-16
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.TANAKA, Keiji
    • TANAKA, Keiji
    • C10M115/08C10M169/02C10N30/06C10N50/10
    • C10M115/08C10M169/02C10M2215/1026C10N2230/06C10N2250/10
    • A urea grease composition comprising any one of the following components (1), (2) and (3) in a mineral oil or a synthetic oil or a mixture thereof: (1) a mixture of compound (a) and compound (b) comprising from 20 to 80 mol% of compound (a) relative to the total of compound (a) and compound (b); (2) a mixture of compound (c) and the mixture of (1); (3) the compound (c), the compounds (a), (b) and (c) being represented by the following formulas (a), (b) and (c), respectively: (a) R 1 NHCONHR 2 NHCONHR 1 , (b) R 3 NHCONHR 2 NHCONHR 3 , and (c) R 1 NHCONHR 2 NHCONHR 3 wherein R 2 represents a diphenylmethane group; R 1 represents an alkyl group having 8 carbon atoms; and R 3 represents a hydrocarbon group having 14 to 20 carbon atoms whose content of unsaturated components is 20 mol% or more.
    • 一种在矿物油或合成油或其混合物中包含以下组分(1),(2)和(3)中任一项的尿素润滑脂组合物:(1)化合物(a)和化合物(b)的混合物, 包含相对于化合物(a)和化合物(b)的总量为20〜80摩尔%的化合物(a)。 (2)化合物(c)和(1)的混合物的混合物; (3)化合物(c),化合物(a),(b)和(c)分别由下式(a),(b)和(c)表示:(a)R1NHCONHR2NHCONHR1,(b) R3NHCONHR2NHCONHR3和(c)R1NHCONHR2NHCONHR3,其中R2表示二苯基甲烷基团; R1表示具有8个碳原子的烷基; R3表示不饱和成分的含量为20摩尔%以上的碳原子数为14〜20的烃基。