Title:
MIXED PHOSPHORUS-CONTAINING ACID ESTER FOR LUBRICANT APPLICATION
Document Type and Number:
Japanese Patent JP2020029568
Kind Code:
A
Abstract:
To provide a lubricant composition.SOLUTION: A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance. The disclosed technology relates to phosphites which may be oligomeric or polymeric materials, and their use in lubricant formulations, including greases, hydraulic fluids, turbine oils, circulating oils, industrial gearbox lubricants, and other applications.SELECTED DRAWING: None
Inventors:
ABRAHAM WILLIAM D
NGA H NGUYEN
ADAMS PAUL E
KURT F WOLLENBERG
NGA H NGUYEN
ADAMS PAUL E
KURT F WOLLENBERG
Application Number:
JP2019213469A
Publication Date:
February 27, 2020
Filing Date:
November 26, 2019
Export Citation:
Assignee:
LUBRIZOL CORP
International Classes:
C10M137/02; C10M117/00; C10M117/02; C10M117/04; C10M129/10; C10M133/12; C10M133/16; C10M133/56; C10M135/10; C10M135/36; C10M137/04; C10M137/06; C10M137/08; C10M137/10; C10M139/00; C10M159/12; C10M159/24
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita
Natsuki Morishita