Water-based ink for ink jet recording

A water-based ink for ink jet recording, containing: a coloring agent; water; and a water-soluble organic solvent. The coloring agent contains a phosphate group-modified self-dispersing pigment. The water-based ink further contains at least one selected from the group consisting of boric acid, digly...

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Hauptverfasser: AOYAMA, MICHIKO, GOTO, KAZUMA, TSUDA, MASASHI, HIGASHIYAMA, SHUNICHI, TANIGUCHI, AKIHIKO, KOGA, NARUMI, SAGO, HIROMITSU
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A water-based ink for ink jet recording, containing: a coloring agent; water; and a water-soluble organic solvent. The coloring agent contains a phosphate group-modified self-dispersing pigment. The water-based ink further contains at least one selected from the group consisting of boric acid, diglycolic acid, and a chelating agent.