[EN] LUBRICATING OIL COMPOSITION COMPRISING AN ADDITIVE COMBINATION OF A CARBOXYLIC ACID AND AN AMINE AS ANT-RUST AGENT<br/>[FR] COMPOSITION D'HUILE LUBRIFIANTE COMPRENANT UNE COMBINAISON D'ADDITION COMPOSEE D'UN ACIDE CARBOXYLIQUE ET D'UNE AMINE EN TANT QU'AGENT ANTIROUILLE
申请人:SHELL INT RESEARCH
公开号:WO2002092735A1
公开(公告)日:2002-11-21
Lubricating oil composition comprising a minor amount of an additive combination comprising (i) a carboxylic acid-based or carboxylic acid ester based anti-rust agent; (ii) at least one type of amine selected from among the group comprising (A) the alkyl amines which can be represented by general formula (1) (R1)nNH3-n, wherein R1 represents a saturated or unsaturated alkyl group which has from 12 to 30 carbon atoms, and n is an integer of value 1 or 2; and (B) the N-alkylpolyalkylenediamines which can be represented by general formula (2) R2NH(CH2)mNH2, wherein R2 represents a saturated or unsaturated alkyl group which has from 12 to 30 carbon atoms, and m is an integer of value from 2 to 5; and a major amount of lubricating oil base oil.