OIL-BASED INK FOR INK JET RECORDING

摘要

PURPOSE:To obtain the subject ink having excellent solution stability in organic solvent and storage stability by using a phthalocyanine compound substituted with a N-alkoxyalkylsulfoamide group as an oil-soluble dye. CONSTITUTION:The objective ink contains (A) a phthalocyanine compound substituted with a N-alkoxyalkylsulfoamide group and expressed preferably by the formula (M is polyvalent metal which may be chlorinated or oxidized; R1 to R4 are 1-6C alkylene; R5 to R8 are 6-20C alkyl) and (B) an organic solvent such as a hydroxybenzoic acid ester.