Detergent-dispersant, additive composition for lubricant, and lubricant composition
AssigneeIdemitsu Kosan Co., Ltd.
InventorsJunya Iwasaki, Izumi Terada, Hiroaki Koshima
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Abstract
Provided is a detergent-dispersant for a lubricant having excellent detergency and dispersibility effects. Specifically provided are: a detergent-dispersant including a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from the group consisting of pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes; and an additive composition for a lubricant and a lubricant composition, each containing the detergent-dispersant.
Claims7
A lubricant composition comprising
- a lubricant base oil;
- and
- at least one detergent dispersant selected from the group consisting of 1-(2-decyl-1-tetradecanyl)-2-aminobenzoimidazole, 1-(2-decyl-1-tetradecanyl)-benzoimidazole, 1-(2-decyl-1-tetradecanyl)-5-aminotetrazole, 1-(2-decyl-1-tetradecanyl)-imidazole, 1-(2-decyl-1-tetradecanyl)-5-(dihydroxyboranyl)aminotetrazole, and 1-(2-decyl-1-tetradecanyl)-2-(dihydroxyboranyl) aminobenzoimidazole.
Dependencies are inferred from the claim text.