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    • 3. 发明专利
    • Grease composition and machine part
    • 油脂组合物和机器部分
    • JP2007039628A
    • 2007-02-15
    • JP2005338675
    • 2005-11-24
    • Kyodo Yushi Co Ltd協同油脂株式会社
    • ONUKI YUJIYOSHINARI TERU
    • C10M169/02C10M105/18C10M115/08C10M117/02C10M117/04C10M119/22C10M119/24C10N10/02C10N30/08C10N30/10C10N40/02C10N40/04C10N50/10F16C33/66
    • PROBLEM TO BE SOLVED: To provide a grease composition having excellent heat-resistance and oxidation resistance and a machine part containing the grease composition sealed in the part.
      SOLUTION: The grease composition contains an 8-20C straight-chain polyalkylated diphenyl ether simple body (addition product at 1-site) expressed by general formula (1): R-(C
      x H
      2x+1 )
      m , or a mixture of the 8-20C straight-chain polyalkylated diphenyl ether (addition product at 1-site) expressed by general formula (1) and an 8-20C branched-chain polyalkylated diphenyl ether (addition product at 2-site) expressed by general formula (2): R-[CH(CH
      3 )-(C
      y H
      2y+1 )]
      n as a base oil. In the formulas, R is a diphenyl ether residue; x is an integer of 8-20; y is an integer of 6-18; and m and n are each independently an integer of 2-10. The invention further provides a machine part containing the grease composition sealed in the part.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有优异的耐热性和抗氧化性的润滑脂组合物和包含密封在该部件中的润滑脂组合物的机器部件。 解决方案:润滑脂组合物含有由通式(1)表示的8-20C直链多烷基化二苯醚简单体(1位加成产物):R-(C x H 或通过通式(1)表示的8-20C直链多烷基化二苯醚(1位加成产物)和通式(1)表示的混合物, 由通式(2)表示的8-20C支链多烷基化二苯醚(2-位加成产物):R- [CH(CH 3 SB 3) - (C < SB> H 2y + 1 )] n 为基础油。 式中,R为二苯醚残基; x是8-20的整数; y为6-18的整数; m和n各自独立地为2-10的整数。 本发明还提供一种包含密封在该部件中的润滑脂组合物的机器部件。 版权所有(C)2007,JPO&INPIT