An active energy ray-curable inkjet printing ink composition satisfies (A) to (E) below, where the total content of (D) and (E) accounts for 30.0 to 60.0% by mass: (A) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule is contained by 1.0 to 20.0% by mass; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass; (C) a (meth)acrylate monomer containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass; (D) at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 5.0 to 25.0% by mass; and (E) a plant oil-derived 1,10-decanediol diacrylate is contained by 10.0 to 40.0% by mass.

Provided is an ink jet printing method including: a first step of ejecting an ink containing a water-soluble polymerizable component A and water from a printing head of an ink jet system to apply the ink to a medium M, to thereby form a first image; and a second step of applying an active energy ray to the first image to form a second image. The polymerizable component A is dissolved in the first image, and a moisture concentration “x” (mass %) in the first image and a moisture concentration “y” (mass %) in the second image placed under an environment at a humidity of 95% satisfy a relationship of 0<(y/x)≤0.80.

An image recording method includes applying a conductive ink onto a base material by using an ink jet recording method and performing ultraviolet irradiation on the conductive ink applied onto the base material to form a conductive layer, in which a content of a liquid component of the conductive ink at a time when the ultraviolet irradiation begins is 5% by mass or more with respect to a content of the liquid component of the conductive ink at a time when the conductive ink is applied onto the base material.

Provided are an ink set for a permeable substrate containing an ink for an ink jet and a treatment liquid, in which the ink for an ink jet contains water, a water-soluble organic solvent, a pigment, a pigment dispersion resin, and a resin component (X) which is at least one of a water-soluble resin or resin particles, and the treatment liquid contains water, a water-soluble organic solvent, and an organic acid salt having a molecular weight of 130 or less; and an image recording method.

Provided are an ink set for a permeable substrate containing an ink for an ink jet and a treatment liquid, in which the ink for an ink jet contains water, a water-soluble organic solvent, a pigment, a pigment dispersion resin, and a resin component (X) which is at least one of a water-soluble resin or resin particles, and the treatment liquid contains water, a water-soluble organic solvent, and an organic acid salt having a molecular weight of 130 or less; and an image recording method.

Disclosed herein are ink compositions that can be ink jetted onto a substrate with improved performance, low odor, and low migration properties. An example ink composition includes a mono-functional monomer, the mono-functional monomer including a hydrophilic mono-functional monomer; a di-functional monomer; an optional colorant; and an optional photoinitiator. Also disclosed are substrates decorated with a cured ink composition and methods of decorating a substrate with the ink compositions.

Disclosed herein are ink compositions that can be ink jetted onto a substrate with improved performance, low odor, and low migration properties. An example ink composition includes a mono-functional monomer, the mono-functional monomer including a hydrophilic mono-functional monomer; a di-functional monomer; an optional colorant; and an optional photoinitiator. Also disclosed are substrates decorated with a cured ink composition and methods of decorating a substrate with the ink compositions.

A quantum dot ink composition including a plurality of quantum dots, and a mixed solvent including a Solvent a and a Solvent b, the ink composition having a surface tension of about 30 mN/m to about 40 mN/m, where Solvent a is a cycloalkane compound with at least one ring carbon having a linear C4 to C16 alkyl group, and Solvent b is an aromatic hydrocarbon compound having a linear C2 to C12 alkyl group. A quantum dot electroluminescent device including a light emitting layer formed from the quantum dot composition.

A composition for forming a patterned thin metal film on a substrate is presented. The composition includes metal cations; and at least one solvent, wherein the patterned thin metal film is adhered to a surface of the substrate upon exposure of the at least metal cations to a low-energy plasma.

A composition for forming a patterned thin metal film on a substrate is presented. The composition includes metal cations; and at least one solvent, wherein the patterned thin metal film is adhered to a surface of the substrate upon exposure of the at least metal cations to a low-energy plasma.