B41J2/2107

Ink, ink accommodating unit, printing device and printing method

An ink contains water, Pigment Red 269, a compound represented by the following Chemical formula (1), and at least one of a silicone compound and an acetylene glycol compound, where the proportion of the compound represented by the following Chemical formula (1) to the Pigment Red 269 is 2.0 percent by mass or less: ##STR00001##

IMAGE FORMING METHOD AND PRINTED MATTER

Provided is an image forming method including: applying an ink to a print medium and heating the print medium to which the ink is applied at a heating temperature of 60 degrees C. or higher. The ink contains pigment-encapsulating resin particles comprising a pigment and a resin encapsulating the pigment. A proportion of the pigment alone exposed without being encapsulated with the resin is 10% by mass or less relative to solid components contained in the ink. Amass ratio of the pigment to the resin in the pigment-encapsulating resin particles is 0.25 or greater but 1.0 or less. A contact angle θm (°) of the ink when the ink is dropped by 5 microliters onto a print medium at 73 degrees C. is 25° or less.

PROCESS FOR PRODUCING PIGMENT-CONTAINING MODIFIED POLYMER PARTICLES
20180009988 · 2018-01-11 · ·

The present invention relates to [1] a process for producing pigment-containing modified polymer particles, including the step of reacting pigment-containing polymer particles (A) containing a functional group and a compound (B) containing a reactive group capable of reacting with the functional group of the polymer particles (A) in a medium under such a condition that a ratio [(B)/(A)] of total moles of the reactive group of the compound (B) to total moles of the functional group of the polymer particles (A) is from 0.10 to 0.62; [2] a pigment water dispersion including an aqueous medium and the modified polymer particles produced by the aforementioned process which are dispersed in the aqueous medium; and [3] an ink including the aforementioned pigment water dispersion and an organic solvent. The modified polymer particles are free from formation of coarse particles upon production of pigment particles, so that an ink obtained by using the modified polymer particles can be prevented from suffering from increase in viscosity thereof when the ink is being concentrated by evaporation of water from the ink, and is excellent in rub fastness when printed on a low-water absorbing recording medium.

FLUID SETS FOR INKJET IMAGING

The present disclosure is drawn to a fluid set for inkjet imaging which includes a white inkjet ink and a fixer fluid. The white ink can include an aqueous ink vehicle, from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 100 nm to 2,000 nm, and from 0.1 wt % to 4 wt % of anionic oxide particulates having an average particulate size from 1 nm to 100 nm. The white ink can also include a non-ionic or predominantly non-ionic dispersant having an acid number not higher than 100 mg KOH/g based on dry polymer weight. The fixer fluid can include an aqueous fixer vehicle and from 0.1 wt % to 25 wt % cationic polymer.

Aqueous inkjet ink compositions made from monodisperse latexes

Aqueous inkjet ink compositions are provided. In an embodiment, such a composition comprises water; resin particles; and a colorant; wherein the resin particles comprise a polymerization product of reactants comprising a monomer, an acidic monomer, a multifunctional monomer, and a reactive surfactant, the resin particles having a D.sub.(z, ave) of no greater than about 150 nm, a D.sub.(v,90) of less than about 200 nm, and a polydispersity index (PDI) of no greater than about 0.050. Methods of forming and using the aqueous inkjet ink compositions are also provided.

ACTIVE ENERGY RAY-CURABLE INK AND IMAGE RECORDING METHOD
20230023473 · 2023-01-26 · ·

An active energy ray-curable ink including a radical polymerizable monomer, a radical polymerization initiator, a pigment, a pigment dispersing resin, an organic onium salt, and a radical polymerization inhibitor, wherein the content of the radical polymerization inhibitor is 0.05% to 5.0% by mass of the total amount of the active energy ray-curable ink and an image recording method.

COLORING COMPOSITION, INK FOR INK JET RECORDING, INK JET RECORDING METHOD, AND INK JET PRINTER CARTRIDGE

A coloring composition includes: a compound represented by the General Formula (1) as defined herein; and a compound represented by the General Formula (D) as defined herein, in which a mass ratio {General Formula (1)/General Formula (D)} of a content of the compound represented by the General Formula (1) to a content of the compound represented by the General Formula (D) is {99/1} to {50/50}.

Liquid composition, device for applying liquid composition, image forming device, and image forming method

A liquid composition includes an inorganic particle and a multivalent metal salt, wherein the liquid composition has a tacking force of 50 mN or less in an area of cast-coated paper where the liquid composition is applied in an amount of 0.12 mg/cm.sup.2 for the cast-coated paper followed by heating at 80 degrees C. for 15 seconds.

Ultraviolet curable ink composition, method for manufacturing bezel pattern in display substrate by using same, and bezel pattern manufactured thereby

The present invention relates to an ultraviolet curable ink composition including a colorant, an epoxy monomer, an oxetane monomer, a cationic photopolymerization initiator, and a polymerization inhibitor, wherein the weight ratio of epoxy monomer:oxetane monomer is 1:0.5 to 1:6, to a method for forming a bezel pattern by using the same, to a bezel pattern manufactured thereby, and to a display substrate having the same.

PRINTING APPARATUS AND PRINTING METHOD
20230017895 · 2023-01-19 ·

A printing apparatus includes an ink application unit, a reactant application unit, a control unit configured to control an application amount of the reactant to be applied by the reactant application unit, and an identification unit configured to identify a pixel included in a line portion based on image data indicating an image to be formed on the print medium. The control unit controls the application amount of the reactant so that an amount per unit area of the reactant to be applied to a region in which the line portion to be formed on the print medium with the pixel identified by the identification unit is to be printed is less than the amount per unit area of the reactant to be applied to a region in which an image including a pixel not identified by the identification unit is formed.