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 of a reducing sugar and a sugar alcohol and a calcium i...

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Bibliographische Detailangaben
Hauptverfasser: TANIGUCHI AKIHIKO, SAGO HIROMITSU, HIGASHIYAMA SHUNICHI, GOTO KAZUMA, KOGA NARUMI, AOYAMA MICHIKO, TSUDA MASASHI
Format: Patent
Sprache:eng
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Beschreibung
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 of a reducing sugar and a sugar alcohol and a calcium ion.