The present invention provides an aqueous ink of active energy ray curable type for ink jet. The aqueous ink contains resin particles and a photo acid generator. The resin particles include a reactive group-containing resin having at least one reactive group selected from the group consisting of an epoxy group, an oxetanyl group and a vinyl ether group. Further provided are an ink cartridge and an ink jet recording method in which the aqueous ink is used.

The present invention provides an aqueous ink of active energy ray curable type for ink jet. The aqueous ink contains resin particles and a photo acid generator. The resin particles include a reactive group-containing resin having at least one reactive group selected from the group consisting of an epoxy group, an oxetanyl group and a vinyl ether group. Further provided are an ink cartridge and an ink jet recording method in which the aqueous ink is used.

An ink set including a color ink containing particles including a polymerizable compound, a colorant, and water and an overcoat solution containing particles including a polymerizable compound and water, and an image formation method.

The present application provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside, and has excellent spreadability, is applicable to thin organic electronic devices and has excellent hardness of the cured product after curing, without causing an inter-circuit interference problem.

The present application provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside, and has excellent spreadability, is applicable to thin organic electronic devices and has excellent hardness of the cured product after curing, without causing an inter-circuit interference problem.

Provided is a composition including an acrylamide compound having a molecular weight of 150 or greater but 250 or less (A1), a polyfunctional polymerizable compound including an alkylene oxide group (A2), and a polyfunctional polymerizable compound (A3) different from the polyfunctional polymerizable compound (A2).

Provided is a composition including an acrylamide compound having a molecular weight of 150 or greater but 250 or less (A1), a polyfunctional polymerizable compound including an alkylene oxide group (A2), and a polyfunctional polymerizable compound (A3) different from the polyfunctional polymerizable compound (A2).

A radiation curable ink comprises a compound represented by the following Formula (I): ##STR00001##
a compound represented by the following Formula (II): ##STR00002##
and a compound represented by the following Formula (III): ##STR00003##

A radiation curable ink comprises a compound represented by the following Formula (I): ##STR00001##
a compound represented by the following Formula (II): ##STR00002##
and a compound represented by the following Formula (III): ##STR00003##

A radiation-curable ink jet ink set includes a radiation-curable dark-colored ink having a surface tension γ1 and a radiation-curable light-colored ink having a surface tension γ2. The surface tensions of the radiation-curable inks satisfy γ1>γ2.