发明申请
US20140242352A1 INKJET INK, INK STORAGE CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER 有权
喷墨墨水,墨水储存容器,喷墨记录装置和记录事项

INKJET INK, INK STORAGE CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER
摘要:
An inkjet ink that contains at least water; a water-soluble organic solvent; a pigment; and a copolymer or a salt thereof. The copolymer or the salt thereof has at least a structural unit represented by Formula 1, a structural unit represented by Formula 2, and a structural unit represented by Formula 3 or 4. In Formula 1, R1 represents a methyl group or a hydrogen atom, M+s each represent a hydrogen ion, an alkali metal ion, or an organic ammonium ion, and m and n each, independently represent 0 or an integer of from 1 to 6 excluding a case of both m and n being 0 at the same time. In Formula 2, R2 represents a methyl group or a hydrogen atom. In Formula 3, R3 represents a methyl group or a hydrogen atom.
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