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US 2006/0189714 A1Published application
Water based ink set for ink-jet recording and inkjet recording method
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsRyuji Kato, Noriatsu Aoi, Narumi Kawai, Tomoyo Hamajima, Masaya Fujioka
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Abstract
A water based ink set for ink-jet recording, capable of reducing graininess, is composed of a combination of a diluting ink and one or more coloring inks. The diluting ink contains at least water and a water soluble organic agent and does not substantially contain a coloring agent, and the coloring ink contains at least a coloring agent, water and a water soluble organic solvent. In this ink set, the dynamic surface tension of the diluting ink is set to be higher than that of the coloring ink.
Claims7
A water based ink set for ink-jet recording comprising:
- a diluting ink containing at least water and a water soluble organic solvent and not substantially containing a coloring agent;
- and
- one or more coloring inks containing at least a coloring agent, water and a water soluble organic solvent, wherein
- a dynamic surface tension of the diluting ink is higher than that of the coloring ink.
1 more element
Dependencies are inferred from the claim text.