Printing inkjet ink composition and recording method
The inkjet textile printing ink composition stabilizes ejection and enhances fastness by incorporating specific amine compounds and anionic resin particles, addressing aggregation issues and improving print quality.
JP2025143800APending Publication Date: 2025-10-02SEIKO EPSON CORP
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Patent Information
- Application Number
- JP2024043239
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-10-02
AI Technical Summary
Technical Problem
Existing inkjet textile printing inks face issues with ink ejection stability and rub fastness due to aggregation of resin and pigment particles, particularly when using amine compounds to improve fastness.
Method used
The ink composition includes a pigment, an organic solvent, anionic resin particles, a specific amine compound with a molecular weight of 100 to 170 and functional groups, and water, which stabilizes ejection and enhances fastness.
Benefits of technology
The composition achieves improved ink ejection stability and rub fastness, resulting in higher quality textile prints with better color development and durability.
✦ Generated by Eureka AI based on patent content.
Abstract
To provide a printing inkjet ink composition which has good discharge stability and friction fastness of printed matter.SOLUTION: A printing inkjet ink composition contains a pigment, an organic solvent, anionic resin particles, an amine compound, and water, and contains aliphatic amine which has a molecular weight of 100 or more and 170 or less and has a tertiary amino group in the molecule, and has one or more and two or less functional groups selected from the group consisting of a hydroxyl group, a ketone group and an ether group in the molecule, as the amine compound, wherein the total content of the amine compound is 0.2 mass% or more and 2 mass% or less with respect to the total amount of the composition.SELECTED DRAWING: None
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