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Title:
LUBRICATING GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/158070
Kind Code:
A1
Abstract:
The present invention provides a lubricating grease composition that reduces the start-up friction coefficient on the surface of a contacting part of a resin member particularly in a high-load state, and that also improves wear resistance. This lubricating grease composition for resin members is a lubricating grease composition for resin members that is used by being supplied as a lubricant to a surface of at least a sliding part of a resin member wherein said sliding part slides against another member, the lubricating grease composition comprising: a base oil which is a mixed oil of a poly-α-olefin having a kinematic viscosity of from 18 to 50 mm2/s at 40°C, and an ethylene-α-olefin copolymer having a number-average molecular weight of from 40,000 to 200,000; a lithium-based composite soap as a thickener; and, as a solid lubricant, a polytetrafluoroethylene resin at a blending ratio of from 4 to 12 mass% with respect to the entire lubricating grease composition. The base oil has a kinematic viscosity of from 80 to 200 mm2/s at 40°C, and the lubricating grease composition has a worked penetration within the range of from 265 to 340.

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Inventors:
SAWAGUCHI WATARU (JP)
INAI MOTOYUKI (JP)
SHINOZAKI AKIRA (JP)
Application Number:
PCT/JP2016/054891
Publication Date:
October 06, 2016
Filing Date:
February 19, 2016
Export Citation:
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Assignee:
NOK KLUEBER CO LTD (JP)
International Classes:
C10M169/00; C10M107/02; C10M117/00; C10M147/02; C10N10/02; C10N20/00; C10N20/02; C10N20/04; C10N30/06; C10N40/02; C10N50/10
Foreign References:
JP2006182923A2006-07-13
JP2008101122A2008-05-01
JP2011148908A2011-08-04
JP2010248442A2010-11-04
JP2005213329A2005-08-11
JPH03128994A1991-05-31
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
アインゼル Felix-Reinhardt (JP)
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