Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP5225343
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an ashless lubricant composition having excellent extreme pressure performance and rust prevention under severe condition and containing no metal.SOLUTION: The lubricant composition is provided by adding to a lubricant base oil, a rust preventive selected from an alkyl or alkenyl succinic acid and partial esters thereof, a 8C-24C sarcosine and derivative thereof, alkylated phenoxyacetic acid, N-acyl-N-alkoxyalkyl aspartate esters, at least one amine selected from the group consisting of alkylamines represented by general formula (1) and N-alkyl polyalkylenediamines represented by general formula (2), and, as an extreme pressure agent, triaryl phosphorotioate represented by general formula (4) and/or an acidic phosphate ester represented by general formula (5).
Inventors:
Zenji Baba
Application Number:
JP2010203567A
Publication Date:
July 03, 2013
Filing Date:
September 10, 2010
Export Citation:
Assignee:
Showa Shell Sekiyu Co., Ltd.
International Classes:
C10M141/10; C10M129/32; C10M129/34; C10M129/72; C10M133/06; C10M133/16; C10M137/04; C10M137/10; C10N20/00; C10N20/02; C10N30/06; C10N30/12; C10N40/00; C10N40/02; C10N40/04; C10N40/08; C10N40/12; C10N40/30
Domestic Patent References:
| JP200063866A | ||||
| JP8134488A |
Attorney, Agent or Firm:
Toshio Okamoto