Title:
GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/182532
Kind Code:
A1
Abstract:
The present invention pertains to a grease composition containing a base oil, a thickener, and additives. The base oil is at least one selected from the group consisting of polyoxyalkylenes, polyoxyalkylene ether derivatives, and mixtures thereof. The additives include polytetrafluoroethylene as a first solid lubricant, and at least one selected from the group consisting of melamine cyanurate, tricalcium phosphate, and sodium sebacate as a second solid lubricant. The content of the second solid lubricant is at least 0.5 mass% relative to the total mass of the composition.
Inventors:
NAGASAWA YOSHIYUKI (JP)
NAKAYAMA CHIEMI (JP)
TSUTSUI DAISUKE (JP)
NAKAYAMA CHIEMI (JP)
TSUTSUI DAISUKE (JP)
Application Number:
PCT/JP2023/012227
Publication Date:
September 28, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
KYODO YUSHI (JP)
International Classes:
C10M169/06; C10M107/34; C10M129/34; C10M133/42; C10M137/06; C10M147/02; C10N30/06; C10N30/08; C10N40/04; C10N50/10
Domestic Patent References:
| WO2020026915A1 | 2020-02-06 | |||
| WO2017094602A1 | 2017-06-08 | |||
| WO2006090779A1 | 2006-08-31 | |||
| WO2008004613A1 | 2008-01-10 | |||
| WO2017146257A1 | 2017-08-31 | |||
| WO2017131059A1 | 2017-08-03 |
Foreign References:
| JPH11246886A | 1999-09-14 | |||
| JP2009227958A | 2009-10-08 | |||
| JP2008031249A | 2008-02-14 | |||
| JP2009013350A | 2009-01-22 | |||
| JP2009013351A | 2009-01-22 | |||
| JP2010185043A | 2010-08-26 | |||
| JP2002180076A | 2002-06-26 | |||
| JPH04266995A | 1992-09-22 |
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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