Water-based ink set for ink-jet recording and ink-jet recording apparatus
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United States of America Patent
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Jan 30, 2018
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app pub date -
Sep 27, 2016
filing date -
Dec 25, 2015
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Abstract
There is provided a water-based ink set for ink-jet recording, including: a water-based black ink containing a self-dispersible pigment, a water-soluble organic solvent of which vapor pressure is less than 1 Pa, and water; water-based color inks of two or more colors each containing a color pigment, a resin dispersant, a water-soluble organic solvent of which vapor pressure is less than 1 Pa, and water, wherein an average value of blending amounts of the water-soluble organic solvents in all of the water-based inks constituting the water-based ink set is in a range of 15% by weight to 35% by weight, and the water-based ink set satisfies the following condition X and condition Y,
- condition X: C−K≧0.6condition Y: A≦1.5.
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