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AssigneeKonica Minolta IJ Technologies, Inc.
InventorsHidenobu Ohya, Manabu Kaneko, Masami Kato
Estimating the term…
Disclosed is an inkjet ink which provides a high-quality image in that whitening of the recorded image film is inhibited, durability of the image is good, and there is no banding, and the like; inkjet injection stability and ink shelf life are excellent; and head maintenance returnability is excellent. Also disclosed are a method for producing an inkjet printed product using the same, and a method for producing a water-based inkjet ink. This inkjet ink comprises at least a) a pigment, b) a polymer dispersant comprising polyethylene oxide groups having an acid value of less than 50 mgKOH/g (c) acrylic copolymer resin, and (d) at least one water-soluble organic solvent selected from glycol ethers and 1,2-alkanediols having 4 or more carbons.
A water-based inkjet ink comprising at least a) a pigment, b) a polymer dispersant comprising polyethylene oxide groups having an acid value of less than 50 mgKOH/g, c) acryl copolymer resin having an acid value of not less than 50 mgKOH/g and not more than 100 mgKOH/g, d) at least one water-soluble organic solvent selected from glycol ethers or 1,2-alkanediols having 4 or more carbon atoms, and (e) a silicone based or fluorine based surfactant, wherein the acryl copolymer resin consists of acryl based monomers, methacryl based monomers, or a combination thereof.
A method for producing an inkjet ink, comprising:
Dependencies are inferred from the claim text.