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US 2025/0382484 A1Published application
Aqueous Ink Jet Ink Composition, Ink Storage Body, And Recording Method
AssigneeSeiko Epson Corporation
InventorsTasuku NAKAMURA, Kenta KIKUCHI
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Abstract
An ink jet ink composition includes a pigment and a surfactant. The pigment includes carbon black derived from a vegetable oil or carbon black derived from a recycled raw material. The surfactant includes a surfactant A having an HLB value of 10 or more and less than 15 and a surfactant B which is an acetylene glycol-based surfactant having an HLB value of 3 or more and less than 10. The ink jet ink composition is an aqueous ink.
Claims13
An ink jet ink composition comprising:
- a pigment;
- and
- a surfactant, wherein
- the pigment includes carbon black derived from a vegetable oil or carbon black derived from a recycled raw material,
- the surfactant includes:
- a surfactant A having an HLB value of 10 or more and less than 15;
- and
- a surfactant B which is an acetylene glycol-based surfactant having an HLB value of 3 or more and less than 10, and
- the ink jet ink composition is an aqueous ink.
6 more elements
Dependencies are inferred from the claim text.