An active-energy-ray-curable composition, a cured material of the active-energy-ray-curable composition satisfying a critical load of 5.0 g or more but 25.0 g or less, the critical load being obtained by a continuous loading test method using a variable normal load friction and wear measurement device, the cured material having an average thickness of 10 μm and being formed by coating the active-energy-ray-curable composition on a substrate and by irradiating and curing the active-energy-ray-curable composition with active energy rays having illuminance of 1.5 W/cm.sup.2 and an amount of irradiation of 200 mJ/cm.sup.2.

A nonaqueous ink jet ink composition according to the invention includes a solvent including at least one compound represented by the following formula (1), and a pigment including a pigment orange 43 (PO-43), in which a Na amount included in the ink is 5 ppm to 500 ppm.
R.sup.1O—(R.sup.2O).sub.m—R.sup.3  (1) (wherein, in formula (1), R.sup.1 and R.sup.3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms. However, either R.sup.1 or R.sup.3 is an alkyl group having 1 to 5 carbon atoms. R.sup.2 represents an alkylene group having 2 or 3 carbon atoms. m represents an integer of 1 to 6.)

A nonaqueous ink jet ink composition according to the invention includes a solvent including at least one compound represented by the following formula (1), and a pigment including a pigment orange 43 (PO-43), in which a Na amount included in the ink is 5 ppm to 500 ppm.
R.sup.1O—(R.sup.2O).sub.m—R.sup.3  (1) (wherein, in formula (1), R.sup.1 and R.sup.3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms. However, either R.sup.1 or R.sup.3 is an alkyl group having 1 to 5 carbon atoms. R.sup.2 represents an alkylene group having 2 or 3 carbon atoms. m represents an integer of 1 to 6.)

An object is to provide an aqueous inkjet ink composition offering excellent high-gap discharge stability, antifouling property, adhesion, drying property, abrasion resistance, discharge stability, and preservation stability, even when printed on nonabsorbent media. As a solution, an aqueous inkjet ink composition is provided that contains a pigment, an alkali-soluble resin, a polyolefin resin emulsion, a basic compound, an aqueous medium, and a surfactant, wherein the glass transition temperature of the alkali-soluble resin is 40 to 100° C., the average grain size of the polyolefin resin emulsion is 5 to 300 nm, the solids content of the polyolefin resin emulsion is 0.5 to 5.0 percent by mass in the aqueous inkjet ink composition, and the surfactant contains at least an acetylenediol-based surfactant.

Aqueous inkjet compositions comprising a composite resin vehicle wherein at least one component of the composite resin vehicle is a polyurethane dispersion (PUD) preferably with a glass transition temperature (Tg) of less than 80° C., and the other component is an acrylic resin dispersion preferably with a Tg of greater than 40° C. or a metal oxide nanoparticle dispersion such as colloidal silica with a particle size of less than 100 nm.

An inkjet ink that includes (A) a terpene phenol resin having a hydroxyl value of 46 to 150 mgKOH/g, (B) ethanol, and (C) 1-propanol. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.

A material composition and a manufacturing method of a light out-coupling lens for a quantum dot display panel are provided. The material composition includes trimethylolpropane tris(3-mercaptopropionate), triethyleneglycol divinyl ether, and an ultraviolet radical initiator. A molar ratio of trimethylolpropane tris(3-mercaptopropionate) to triethyleneglycol divinyl ether is 2:3. The material composition is cured by an ultraviolet light to form the light out-coupling lens. The manufacturing method of the light out-coupling lens includes steps of: mixing trimethylolpropane tris(3-mercaptopropionate) and triethyleneglycol divinyl ether; adding an ultraviolet free-radical initiator to form a material composition of the light out-coupling lens; disposing the material composition on a thin-film encapsulation layer of the quantum dot display panel; and subjecting the material composition to an ultraviolet curing process to form the light out-coupling lens.

A material composition and a manufacturing method of a light out-coupling lens for a quantum dot display panel are provided. The material composition includes trimethylolpropane tris(3-mercaptopropionate), triethyleneglycol divinyl ether, and an ultraviolet radical initiator. A molar ratio of trimethylolpropane tris(3-mercaptopropionate) to triethyleneglycol divinyl ether is 2:3. The material composition is cured by an ultraviolet light to form the light out-coupling lens. The manufacturing method of the light out-coupling lens includes steps of: mixing trimethylolpropane tris(3-mercaptopropionate) and triethyleneglycol divinyl ether; adding an ultraviolet free-radical initiator to form a material composition of the light out-coupling lens; disposing the material composition on a thin-film encapsulation layer of the quantum dot display panel; and subjecting the material composition to an ultraviolet curing process to form the light out-coupling lens.

The present invention provides an anti-counterfeit ink composition including organic-inorganic hybrid infrared absorbing particles, and either a dispersant or a surfactant, or both, wherein the organic-inorganic hybrid infrared absorbing particles include infrared absorbing particles and a coating resin that covers at least a part of a surface of the infrared absorbing particles.

The present invention provides an anti-counterfeit ink composition including organic-inorganic hybrid infrared absorbing particles, and either a dispersant or a surfactant, or both, wherein the organic-inorganic hybrid infrared absorbing particles include infrared absorbing particles and a coating resin that covers at least a part of a surface of the infrared absorbing particles.