Title:
グリース組成物及び機械部材
Document Type and Number:
Japanese Patent JP4809793
Kind Code:
B2
Abstract:
A grease composition which contains a large amount of thickener, and may prevent a flaking effectively for a long period of time, and machine elements in which the grease composition is filled are provided. A grease composition comprising a thickener and a base oil, characterized in that the thickener contains a diurea compound represented by the Formula (I):
R 1 -NHCONH-R 2 -NHCONH-R 3 ,(I)
wherein R 1 and R 3 are a phenyl group and/or a cyclohexyl group, R 2 is a C 6 -C 15 divalent hydrocarbon group, and the molar ratio of cyclohexyl group/(cyclohexyl group + phenyl group) in R 1 and R 3 is 0.95 to 0.10.
Inventors:
Shinya Kondo
Daigo Nagumo
Daigo Nagumo
Application Number:
JP2007058772A
Publication Date:
November 09, 2011
Filing Date:
March 08, 2007
Export Citation:
Assignee:
Kyodo Yushi Co., Ltd.
International Classes:
C10M169/02; F16C33/66; C10M105/18; C10M115/08; C10N30/00; C10N30/08; C10N40/02; C10N50/10
Domestic Patent References:
| JP1279996A | ||||
| JP2003306687A | ||||
| JP2003073682A | ||||
| JP9059661A | ||||
| JP4328198A | ||||
| JP8165488A | ||||
| JP2004123858A | ||||
| JP9255983A | ||||
| JP2007091860A |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama