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    • 1. 发明专利
    • Lubricating grease composition
    • 润滑油组合物
    • JP2009091464A
    • 2009-04-30
    • JP2007263456
    • 2007-10-09
    • Nok Kluber KkNokクリューバー株式会社
    • SHIMURA AKIHIKOKITAHARA TETSUHIROMIYAMOTO TETSUHIRO
    • C10M169/02C10M107/38C10M115/08C10M117/00C10M117/04C10M119/22C10N20/02C10N30/02C10N30/08C10N40/02C10N50/10
    • PROBLEM TO BE SOLVED: To provide a lubricating grease composition which is excellent in durability at high temperature and shows a good performance at low temperature.
      SOLUTION: The lubricating grease composition is obtained by adding, based on the total weight of the composition, 15-50 wt.% thickener to a base oil mixture. The base oil mixture comprises (A) a perfluoropolyether oil represented by the general formula: RfO[CF(CF
      3 )CF
      2 O]
      a (CF
      2 CF
      2 O)
      b (CF
      2 O)
      c Rf (wherein Rf is a 1-5C perfluoroalkyl group; a+b is from 15 to 150; b is 0 or an integer of 1 or larger; a:b=(100-50):(0-50); c is 0 or an integer of 1 or larger; and a CF(CF
      3 )CF
      2 O group, a CF
      2 CF
      2 O group and a CF
      2 O group are randomly bonded in the main chain) having a kinematic viscosity (40°C) of 150-1,500 mm
      2 /sec and (B) a perfluoropolyether oil represented by the general formula: RfO(CF
      2 CF
      2 O)
      m (CF
      2 O)
      n Rf (wherein Rf is as defined above; m+n is from 20 to 200; m:n=(10-90):(90-10); and a CF
      2 CF
      2 O group and a CF
      2 O group are randomly bonded in the main chain) having a kinematic viscosity (40°C) of 150-1,500 mm
      2 /sec.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种在高温下耐久性优异并且在低温下表现出良好性能的润滑脂组合物。 解决方案:通过将基于组合物的总重量的15-50重量%增稠剂与基础油混合物相加来获得润滑脂组合物。 基础油混合物包含(A)由以下通式表示的全氟聚醚油:RfO [CF(CF 3 SB 3)CF 2 SBB] O SB (CF 2 CF 2 (SB SB)2 (其中Rf为1-5C全氟烷基; a + b为15至150; b为0或1或更大的整数; a:b =(100-50):(0-50); c为0 或1或更大的整数; CF(CF 3 SB 3)CF 2 SBO 2,CF 2 SB 2, / SB> O基团和CF 2 O基团在主链中随机键合),其运动粘度(40℃)为150-1,500mm×SP2 /秒 和(B)由以下通式表示的全氟聚醚油:R f O(CF 2 SB 2)/(CF 2 SBB) (其中Rf如上所定义; m + n为20至200; m:n =(10-90):(90-10)); CF 具有运动粘度(40℃)的 2 O组和CF 2 O基团在主链中无规键合) 150-1,500毫米 2 /秒。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Lubricating grease composition
    • 润滑油组合物
    • JP2013053318A
    • 2013-03-21
    • JP2012276616
    • 2012-12-19
    • Nok Kluber KkNokクリューバー株式会社
    • SHIMURA AKIHIKOKITAHARA TETSUHIROMIYAMOTO TETSUHIRO
    • C10M169/02C10M107/38C10N20/02C10N30/02C10N30/08C10N40/02C10N50/10
    • PROBLEM TO BE SOLVED: To provide a lubricating grease composition excellent in endurance at high temperatures and having good operability at low temperatures.SOLUTION: There is provided the lubricating grease composition usable in a cold district falling to be -30°C and provided by adding a thickener to a mixture base oil comprising (A) a perfluoropolyether oil having kinematic viscosity (40°C) of 150-1,500 mm/sec and represented by general formula: RfO[CF(CF)CFO](CFO)Rf (wherein, Rf is a 1-5C perfluoroalkyl group; (a) is 15-150; c is 0 or an integer of ≥1; and CF(CF)CFO and CFO are randomly bonded in the main chain) and (B) a perfluoropolyether oil having a kinematic viscosity (40°C) of 150-1,000 mm/sec and represented by general formula: RfO(CFCFO)(CFO)Rf (wherein, Rf is the same as defined above; m+n=20-200; m:n=(10-90):(90-10); and CFCFO and CFO are randomly bonded in the main chain), to be 15-30 wt.% rate in the composition total amount.
    • 要解决的问题:提供在高温下耐久性优异并且在低温下具有良好可操作性的润滑脂组合物。 解决方案:提供润滑脂组合物,其可用于在-30℃的冷区中,并且通过向包含(A)具有运动粘度(40℃)的全氟聚醚油的混合物基础油中添加增稠剂而提供, 为150-1,500mm 2 /秒,由通式RfO [CF(CF 3 )CF 2 O] a (CF 2 O) c (其中,Rf为1-5C全氟烷基;(a)为15-150; c为0或≥1的整数; CF(CF 3 SB>)CF 2 O和CF 2在主链中随机键合)和(B)具有 150〜1,000mm的运动粘度(40℃),由通式RfO(CF 2 CF 2 O) m (CF 2 O) 2 O和CF 2 O随机地结合在 主链),在组成总量中为15-30重量%。 版权所有(C)2013,JPO&INPIT