Dye set and ink composition with high water-fastness
AssigneeBenq Corporation
InventorsYi-Jing Leu, In-Shan Sir, Chia-Hsin Chien, Yu-chang Shen, Yu-Ting Lin
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Abstract
A water-soluble dye set used in thermal bubble color ink-jet printers. The dye set has high water-fastness and includes (a) Direct Blue 199 dye and Acid Blue 9 dye; (b) Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye; and (c) Direct Yellow 132 dye and Acid Yellow 5 dye. The dye set of the present invention has improved heat stability and storage stability when used in thermal bubble ink-jet printers. In addition, the dye set has special viscosity, good surface tension, and high water resistance, greatly improving printing properties.
Claims25
A water-soluble dye set, comprising the following components:
- (a) Direct Blue 199 dye and Acid Blue 9 dye;
- (b) Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye;
- and
- (c) Direct Yellow 132 dye and Acid Yellow 5 dye.
A water-soluble magenta dye set, comprising:
- Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye.
A water-soluble yellow dye set, comprising:
- Direct Yellow 132 dye and Acid Yellow 5 dye.
An ink composition, comprising:
- a dye set including the following components:
- (a) Direct Blue 199 dye and Acid Blue 9 dye;
- (b) Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye;
- and (c) Direct Yellow 132 dye and Acid Yellow 5 dye;
- and
- a medium, which is an aqueous solution.
A magenta ink composition, comprising:
- a dye set including Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye;
- and
- a medium, which is an aqueous solution.
A yellow ink composition, comprising:
- a dye set including Direct Yellow 132 dye and Acid Yellow 5 dye;
- and
- a medium, which is an aqueous solution.
An ink-jet printing method, comprising:
- providing ink to an ink-jet printing device, wherein the ink includes the following components:
- (1) a dye set including:
- (a) Direct Blue 199 dye and Acid Blue 9 dye;
- (b) Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye;
- and (c) Direct Yellow 132 dye and Acid Yellow 5 dye;
- and
- (2) a medium, which is an aqueous solution;
- and
- ejecting the ink onto a recording medium.
Dependencies are inferred from the claim text.