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|1. (WO2018181170) OILY INKJET INK|
|Applicants:||RISO KAGAKU CORPORATION
|Title:||OILY INKJET INK|
An oily inkjet ink containing a color material and a fatty acid ester-type solvent having a boiling point of 300°C or higher and represented by general formula (1), wherein a petroleum-derived hydrocarbon solvent is contained in an amount of 1 to 50% by mass relative to the whole amount of the ink. In general formula (1), R1 and R2 independently represent an alkyl group, wherein R1 and/or R2 represents a branched alkyl group and the number of side chains contained in R1 and R2 is 4 or more.