Title:
GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/199911
Kind Code:
A1
Abstract:
The present invention provides a grease composition which contains (a) a thickening agent that contains a mixture of the substances (I), (II) and (III) described below, and (b) a base oil, wherein: the 60-stroke worked penetration as determined by a method set forth in JIS K 2220.7 is 300 to 350; and the consistency in a roll stability test is 440 or less as determined using a test machine in accordance with ASTM D 1831 after the application of a shear at 120°C for 24 hours.
(I): R1-NHCONH-R2-NHCONH-R1
(II): R3-NHCONH-R2-NHCONH-R3
(III): R1-NHCONH-R2-NHCONH-R3
(In the formulae, R1 represents a cyclohexyl group; R2 represents a C6-C15 divalent aromatic hydrocarbon group; R3 represents a C8-C20 linear or branched alkyl group or an alkenyl group; and (R1/(R1 + R3)) × 100 is 80% by mole to 0% by mole.)
Inventors:
KONNO TADAAKI (JP)
HASHIMOTO MASAKI (JP)
HASHIMOTO MASAKI (JP)
Application Number:
PCT/JP2023/014691
Publication Date:
October 19, 2023
Filing Date:
April 11, 2023
Export Citation:
Assignee:
KYODO YUSHI (JP)
International Classes:
C10M115/08; C10N20/00; C10N30/00; C10N30/06; C10N40/02; C10N40/04; C10N50/10
Foreign References:
| JP2015160909A | 2015-09-07 | |||
| JPH0617080A | 1994-01-25 | |||
| JPH09324190A | 1997-12-16 | |||
| JPH03119097A | 1991-05-21 | |||
| JPH01268793A | 1989-10-26 | |||
| JP2010144042A | 2010-07-01 | |||
| JP2010127344A | 2010-06-10 | |||
| JPH09104889A | 1997-04-22 | |||
| JPS63162790A | 1988-07-06 | |||
| JP2008074978A | 2008-04-03 | |||
| JPH0280493A | 1990-03-20 | |||
| JPS60231796A | 1985-11-18 | |||
| JP2013129794A | 2013-07-04 | |||
| JPH03231993A | 1991-10-15 | |||
| JP2022512730A | 2022-02-07 | |||
| JPS59124997A | 1984-07-19 |
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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