Abstract: There are provided an active energy ray-curable composition containing a polymerizable compound represented by General Formula (1), a polymerizable compound represented by General Formula (2), and a photopolymerization initiator, and an ink composition for inkjet recording use. CH2?CR1—CO—O—R2—O—CH?CH—R3??(1) (In Formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents an organic residue having 2 to 20 carbon atoms, and R3 represents a hydrogen atom or an organic residue having 1 to 11 carbon atoms.) (In Formula (2), each of R4 and R5 independently represents a hydrogen atom or a methyl group, each of R6a, R6b, and R6c independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and m+n represents an integer of 0 to 4.).

Abstract: There are provided an active energy ray-curable composition containing a polymerizable compound represented by General Formula (1), a polymerizable compound represented by General Formula (2), and a photopolymerization initiator, and an ink composition for inkjet recording use. CH3?CR1—CO—O—R2—O—CH?CH—R3??(1) (In Formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents an organic residue having 2 to 20 carbon atoms, and R3 represents a hydrogen atom or an organic residue having 1 to 11 carbon atoms.) (In Formula (2), each of R4 and R5 independently represents a hydrogen atom or a methyl group, each of R6a, R6b, and R6c independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and m+n represents an integer of 0 to 4.

Abstract: A method of forming a two-layer coat, which comprises the steps of: applying (1) a coating composition onto a thermoplastic resin base and drying the coating to form a colored layer, the coating composition (1) comprising: (A) an acrylic resin obtained by copolymerization of a monomer mixture comprising n-butyl (meth)acrylate and methyl (meth)acrylate, each in an amount of at least 30 wt. %; (B) a colorant; and (C) an organic solvent; applying (2) an energy beam curable overcoat composition onto the colored layer, the overcoat composition (2) comprising: (D) a compound having at least three (meth)acryloyl groups and having a molecular weight of 250 to 1,800; and (E) an acrylic resin obtained by copolymerization of a monomer mixture comprising at least 20 wt. % of methyl (meth)acrylate, the compound (D) amounting to at least 50 wt. % of overcoat film-forming components; and curing the applied overcoat composition by energy beam irradiation.

Abstract: A method of forming a 2-way coat, which comprises the steps of: applying (1) a coating composition onto a thermoplastic resin base and drying the coating to form a colored layer, the coating composition (1) comprising: (A) an acrylic resin obtained by copolymerization of a monomer mixture comprising n-butyl (meth)acrylate and methyl (meth)acrylate, each in an amount of at least 30 wt. %; (B) a colorant; and (C) an organic solvent; applying (2) an energy beam curable overcoat composition onto the colored layer, the overcoat composition (2) comprising: (D) a compound having at least three (meth)acryloyl groups and having a molecular weight of 250 to 1,800; and (E) an acrylic resin obtained by copolymerization of a monomer mixture comprising at least 20 wt. % of methyl (meth)acrylate, the compound (D) amounting to at least 50 wt. % of overcoat film-forming components; and curing the applied overcoat composition by energy beam irradiation.

Abstract: A crosslinked polyurethane polyurea spherically particulate polymer having an average particle diameter of 0.1 to 500 .mu.m, wherein the polymer molecule contains an isocyanurate ring in an amount of 10 to 30% by weight is disclosed. A process for producing the crosslinked polyurethane polyurea spherically particulate polymer is also disclosed.