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    • 25. 发明专利
    • Urea grease composition
    • 尿素油脂组合物
    • JP2009293042A
    • 2009-12-17
    • JP2009216826
    • 2009-09-18
    • Showa Shell Sekiyu Kk昭和シェル石油株式会社
    • OZAKI KOYONUMAZAWA KOICHIOMURA KAZUSHIGETANAKA KEIJI
    • C10M169/02C10M101/02C10M105/18C10M107/02C10M115/08C10M135/18C10M137/10C10M139/00C10N10/04C10N10/12C10N20/02C10N30/00C10N30/06C10N40/02C10N50/10
    • PROBLEM TO BE SOLVED: To provide a urea grease composition which is produced by using a normal grease production facility having no special kneading unit for dispersing a thickening agent or no autoclave and which is excellent ratio in thickening efficiency, in which oil is hardly separated at high temperature, and which is excellent in acoustic performance, friction properties and wear properties.
      SOLUTION: The urea grease composition is one, wherein any of (1) a mixture of the compound (a) and the compound (b), in which the compound (a) accounts for 20-80 mol% of the total amount of the compound (a) and the compound (b), (2) a mixture formed by mixing the compound (c) with the mixture (1), and the compound (c) alone, is incorporated by 2-30 wt.% in the mineral oil or synthetic oil having ≤100 mm
      2 /s viscosity at 100°C or mixed oil thereof (with the proviso that mineral oil having 10.12 mm
      2 /s viscosity at 100°C, alkyl diphenyl ether oil having 12.69 mm
      2 /s viscosity at 100°C and poly α-olefin oil having 12.70 mm
      2 /s viscosity at 100°C are excluded) where the compounds are represented by general formulae (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 is a diphenylmethane group; R
      1 is a 6-10C saturated alkyl group; R
      3 is 14-20C saturated and/or unsaturated alkyl groups wherein unsaturated components account for ≥20 mol% of all alkyl groups).
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种尿素润滑脂组合物,其通过使用没有特殊捏合单元的普通润滑脂生产设备来生产,用于分散增稠剂或不使用高压釜,并且其中油是增稠效率的优异比例 在高温下几乎不分离,声学性能,摩擦性能和磨损性能优异。 尿素润滑脂组合物是一种,其中(1)化合物(a)和化合物(b)的混合物中的任一种,其中化合物(a)占总量的20-80摩尔% 化合物(a)和化合物(b)的量,(2)通过混合化合物(c)和混合物(1)形成的混合物和化合物(c)单独混合,加入2-30重量% 在100℃下具有≤100mm 2 / s粘度的矿物油或合成油中的%或其混合油(条件是矿物油具有10.12mm×SP2 / 在100℃下的粘度为100.6℃时具有12.69mm /秒/秒粘度的烷基二苯醚油和12.70mm 2 SP / s粘度的聚α-烯烃油在 100℃),其中化合物由通式(a)表示:NH 2 NHR 2 SBR 2,(b)R 1, SB> 3 NHCONHR 2 NHCONHR 3 和(c)R SB 1 NHCONHR NHCONHR < SB> 3 (其中R SB 2是二苯基甲烷基团; R SB 1是6-10C饱和的 基团 R SB 3是14-20℃饱和和/或不饱和烷基,其中不饱和组分占全部烷基的≥20摩尔%)。 版权所有(C)2010,JPO&INPIT