作者: Masayuki Koyano , Hitoshi Arita , Akiko Bannai , Kiyofumi Nagai
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摘要: A recording ink composition having a colorant insoluble and dispersible in water, water-soluble organic solvent, wetting agent, 2-ethyl-1,3-hexanediol, at least one of surfactants formulas (I) to (V): wherein R1, R2, R, R′, M−, m, k, n, p, q are specified the specification.