Title:
LUBRICANT VISCOSITY CONDITIONER, ADDITIVE COMPOSITION FOR LUBRICANT, AND LUBRICANT COMPOSITION
Document Type and Number:
Japanese Patent JP2012172013
Kind Code:
A
Abstract:
To provide a lubricant viscosity conditioner which has excellent resin handing properties, and a composition for lubricant which has excellent thickenability.
The lubricant viscosity conditioner is composed of a propylene-ethylene copolymer which includes 70 to 83 mol% of a structural unit derived from propylene and 17 to 30 mol% of a structural unit derived from ethylene wherein the following conditions are satisfied: (i) an isotactic index is 5 to 40%; (ii) a mesotriad (mm) is 85 to 95%; and (iii) a limiting viscosity [η] is 0.5 to 2.5 dl/g.
Inventors:
IKEDA SATOSHI
YAMAMOTO ATSUSHI
SAKUMA ATSUSHI
YAMAMOTO ATSUSHI
SAKUMA ATSUSHI
Application Number:
JP2011033471A
Publication Date:
September 10, 2012
Filing Date:
February 18, 2011
Export Citation:
Assignee:
MITSUI CHEMICALS INC
LUBRIZOL CORP
LUBRIZOL CORP
International Classes:
C10M143/04; C10M143/02; C10M145/14; C10N20/00; C10N20/02; C10N30/02; C10N40/04; C10N40/25; C10N50/10
Attorney, Agent or Firm:
Patent corporation ssinpat
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