Ink composition, ink set, and image recording method
US-2021130630-A1 · May 6, 2021 · US
Aqueous inkjet ink composition, printed matter, and inkjet printing method
US12410332B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12410332-B2 |
| Application number | US-202118252870-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 13, 2021 |
| Priority date | Sep 28, 2020 |
| Publication date | Sep 9, 2025 |
| Grant date | Sep 9, 2025 |
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Abstract
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An aqueous inkjet ink composition containing a pigment, an alkali-soluble resin, a surfactant, a water-soluble solvent, colloidal silica, and water, in which the surfactant includes a surfactant having an HLB value equal to or greater than 3 and less than 10 and a surfactant having an HLB value of 10-20 (inclusive), the water-soluble solvent has a boiling point of 170-250° C. (inclusive) at 1 atm, and the percentage of the colloidal silica in the aqueous inkjet ink composition is 0.05-2 mass % (inclusive). The aqueous inkjet ink composition has excellent storage stability, mechanical stability, discharge stability, coating film drying properties, and cissing resistance.
First claim
Opening claim text (preview).
What is claimed is: 1. An aqueous inkjet ink composition comprising a pigment, an alkali-soluble resin, a surfactant, a water-soluble solvent, colloidal silica, and water, wherein the surfactant contains a surfactant (A) having an HLB value of 3 or more and less than 10, and a surfactant (B) having an HLB value of 10 or more and 20 or less, the water-soluble solvent represents 15% by mass or more and 60% by mass or less in the aqueous inkjet ink composition, and has a boiling point of 170° C. or more and 250° C. or less at 1 atm, and a proportion of the colloidal silica is 0.05% by mass or more and 2% by mass or less in the aqueous inkjet ink composition. 2. The aqueous inkjet ink composition according to claim 1 , wherein the water-soluble solvent is one or more solvents selected from the group consisting of monoalcohols, polyhydric alcohols, lower alkyl ethers of polyhydric alcohols, and nitrogen-containing compounds. 3. The aqueous inkjet ink composition according to claim 1 , further comprising a resin emulsion. 4. A printed matter obtained by performing printing using the aqueous inkjet ink composition according to claim 1 . 5. An inkjet printing method, comprising printing an object to be printed on a non-absorbent print medium using the aqueous inkjet ink composition according to claim 1 . 6. The aqueous inkjet ink composition according to claim 1 , wherein the pigment contains a yellow pigment, a magenta pigment, a cyan pigment, or a black pigment. 7. The aqueous inkjet ink composition according to claim 1 , wherein the surfactant (A) is an acetylene-based surfactant, and the surfactant (B) is an acetylene-based surfactant.
Assignees
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Classifications
from unsaturated acids or derivatives thereof · CPC title
- C09D11/322Primary
Pigment inks · CPC title
- C09D11/38Primary
characterised by non-macromolecular additives other than solvents, pigments or dyes · CPC title
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- What does patent US12410332B2 cover?
- An aqueous inkjet ink composition containing a pigment, an alkali-soluble resin, a surfactant, a water-soluble solvent, colloidal silica, and water, in which the surfactant includes a surfactant having an HLB value equal to or greater than 3 and less than 10 and a surfactant having an HLB value of 10-20 (inclusive), the water-soluble solvent has a boiling point of 170-250° C. (inclusive) at 1 a…
- Who is the assignee on this patent?
- Sakata Inx Corp
- What technology area does this patent fall under?
- Primary CPC classification C09D11/322. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Sep 09 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).