Title:
【発明の名称】改良された解乳化性を示す潤滑剤および機能流体組成物
Document Type and Number:
Japanese Patent JP2828712
Kind Code:
B2
Abstract:
A lubricating composition is described which comprises a mixture of (A) a major amount of an oil of lubricating viscosity, (B) a dispersant effective amount of at least one ashless dispersant, and (C) a minor, effective amount of at least one demulsifier characterized by the formula wherein R is a hydrocarbyl group, R2, R3, R4 and R5 are each independently H or hydrocarbyl groups, and X is O or NR' wherein R' is hydrogen or a hydrocarbyl group. In one embodiment, the ashless dispersant is a carboxylic dispersant, and the demulsifier is a derivative of imidazoline. The lubricating compositions of the invention are characterized as having improved dispersancy, demulsibility, rust-inhibition and anti-wear properties.
Inventors:
SHUINDO JEEMUZU JEI
BINSHI JEEMUZU ENU
BINSHI JEEMUZU ENU
Application Number:
JP50926289A
Publication Date:
November 25, 1998
Filing Date:
August 23, 1989
Export Citation:
Assignee:
RYUUBURIZORU CORP ZA
International Classes:
C10M133/46; C10M133/48; C10M133/58; C10M141/06; C10M141/12; C10M159/12; C10M161/00; C10M163/00; C10M133/44; C10N30/00; C10N30/04; C10N30/06; C10N40/04; C10N40/25; (IPC1-7): C10M163/00; C10M133/46; C10M133/48; C10M159/12
Attorney, Agent or Firm:
Shusaku Yamamoto