Patent ID: 11926746
Assignee: FUJIFILM CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. An active energy ray-curable ink comprising:
a photopolymerization initiator including a compound represented by Formula (1); and
at least one of a monomer A composed of a photopolymerizable monomer having a molecular weight of 400 or more or a monomer B composed of a photopolymerizable monomer having a molecular weight of 130 or more and less than 400,
wherein the monomer A is at least one selected from the group consisting of polyfunctional acrylates including at least one of an ethyleneoxy group, a propyleneoxy group, a trimethylolpropane skeleton, a glycerol skeleton, or a dipentaerythritol skeleton,
wherein the monomer B is at least one selected from the group consisting of
a monofunctional acrylate including at least one of a heterocyclic skeleton, an aromatic ring skeleton, a chain alkyl group having 9 or more carbon atoms, a polyethyleneoxy group, or a polypropyleneoxy group,
an N-vinyl compound including one vinyl group,
a difunctional acrylate including at least one of a chain alkylene group having 5 or more carbon atoms, a polyethyleneoxy group, or a polypropyleneoxy group, and
a divinyl ether including at least one of a polyethyleneoxy group or a polypropyleneoxy group, and, wherein
L1 represents an organic group having 20 or less carbon atoms and a valence of n,
n represents an integer of 3 to 8,
AO represents an alkyleneoxy group having 2 or 3 carbon atoms,
m represents an integer of 0 to 15,
L2 represents a single bond, an oxygen atom, a sulfur atom, or —NR11—,
R11 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms,
X represents an oxygen atom or a sulfur atom,
n R1's each independently represent a phenyl group, a 2,6-dichlorophenyl group, a 2,4,6-trichlorophenyl group, a 2,6-dimethylphenyl group, a 2,4,6-trimethylphenyl group, a 2,6-diethylphenyl group, a 2,6-dimethoxyphenyl group, a 2,6-diethoxyphenyl group, an α-naphthyl group, a 2,6-dinitrophenyl group, a 2,6-dimethylcyclohexyl group, a 2,6-diethylcyclohexyl group, a 2,6-dimethoxycyclohexyl group, a 2,6-diethoxycyclohexyl group, a 2,6-dichlorocyclohexyl group, a tert-butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, or a 2-ethylhexyl group, and
n R2's each independently represent R1—(C═O)—, a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, a tert-butyl group, a pentyl group, a hexyl group, a 2-ethylhexyl group, a phenyl group, a xylyl group, a 4-biphenyl group, a 2-chlorophenyl group, a 3-chlorophenyl group, a 4-chlorophenyl group, a 2,4-dichlorophenyl group, a 2-methylphenyl group, a 3-methylphenyl group, a 4-methylphenyl group, a 2-ethylphenyl group, a 3-ethylphenyl group, a 4-ethylphenyl group, a 2-methoxyphenyl group, a 3-methoxyphenyl group, a 4-methoxyphenyl group, a 2,4-dimethoxyphenyl group, a 2-ethoxyphenyl group, a 3-ethoxyphenyl group, a 4-ethoxyphenyl group, an α-naphthyl group, a methylnaphthyl group, a chloronaphthyl group, an ethoxynaphthyl group, a 2-nitrophenyl group, or a 4-nitrophenyl group.