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US 2016/0137859 A1Published application
Ink composition and ink set
AssigneeSeiko Epson Corporation
InventorsYuho MIYAKE, Ryosuke TERAMOTO, Hiromi OHORI, Daisuke ISHIHARA, Miharu KANAYA
Life of this patent
Estimating the term…
Abstract
An ink composition includes, as dyes, a dye (Bk-1) represented by the formula (Bk-1); and a dye (Bw-1) represented by the formula (Bw-1), in which a content ratio A (dye (Bk-1):dye (Bw-1)) of the dye (Bk-1) and the dye (Bw-1) is 100:18 to 100:40.
Claims14
An ink composition, comprising:
- as dyes,
- a dye (Bk-1) represented by the following formula (Bk-1);
- and
- a dye (Bw-1) represented by the following formula (Bw-1),
- wherein a content ratio A (dye (Bk-1):dye (Bw-1)) of the dye (Bk-1) and the dye (Bw-1) is 100:18 to 100:40;
- and
- a total content of the dyes is more than 3.5 mass %.
- (in formula (Bk-1), R1, R2, R5, R6, and R7 each independently represent a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a carboxyl group, a sulfo group, a sulfamoyl group, an N-alkyl aminosulfonyl group, N-phenyl-aminosulfonyl group, a (C1-C4) alkylsulfonyl group which may be substituted with a hydroxyl group, a phospho group, a nitro group, an acyl group, a ureido group, a (C1-C4) alkyl group (which may be substituted with a hydroxyl group or a (C1-C4) alkoxy group), a (C1-C4) alkoxy group (the alkyl group may be substituted with a hydroxyl group, a (C1-C4) alkoxy group, a sulfo group or a carboxyl group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted with a halogen atom, an alkyl group or a nitro group), R3 and R4 each independently represent a hydrogen atom, a halogen atom, a cyano group, a carboxyl group, a sulfo group, a nitro group, a (C1-C4) alkyl group (which may be substituted with a hydroxyl group or a (C1-C4) alkoxy group), a (C1-C4) alkoxy group (the alkyl group may be substituted with a hydroxyl group, a (C1-C4) alkoxy group, a sulfo group or a carboxyl group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted with a halogen atom, an alkyl group or a nitro group), and n represents 0 or 1.)
- (in formula (Bw-1), R21, R22, R23, R24, R25, R26, R27, and R28 each independently represent a hydrogen atom;
- a halogen atom;
- a sulfo group;
- a carboxy group;
- a sulfamoyl group;
- a carbamoyl group;
- a (C1-C4) alkyl group;
- a (C1-C4) alkoxy group with;
- a (C1-C4) alkoxy group which is substituted with at least one group selected from a group consisting of a hydroxy group, a (C1-C4) alkoxy group, a hydroxy(C1-C4) alkoxy group, a sulfo group, and a carboxy group as a substituent;
- a (C1-C4) alkylcarbonylamino group;
- a (C1-C4) alkylcarbonylamino group substituted with a carboxy group;
- a ureido group;
- a mono(C1-C4) alkylureido group;
- a di(C1-C4) alkylureido group;
- a mono(C1-C4) alkylureido group substituted with at least one group selected from the group consisting of a hydroxy group, a sulfo group, and a carboxy group as a substituent;
- a di(C1-C4) alkylureido group substituted with at least one group selected from the group consisting of a hydroxy group, a sulfo group, and a carboxy group as a substituent;
- a benzolamino group;
- a benzolamino group in which a benzene ring is substituted with at least one group selected from the group consisting of a halogen atom, a (C1-C4)alkyl group, a nitro group, a sulfo group, and a carboxy group;
- a benzenesulfonylamino group;
- or a phenylsulfonylamino group in which a benzene ring is substituted with at least one group selected from a halogen atom, a (C1-C4)alkyl group, a nitro group, a sulfo group, and a carboxy group;
- and X represents a bivalent crosslinking group).
26 more elements
An ink composition, comprising:
- as dyes,
- a dye (Bk-1) represented by the following formula (Bk-1);
- and
- a dye (Bw-1) represented by the following formula (Bw-1),
- wherein the content ratio A (dye (Bk-1):dye (Bw-1)) of the dye (Bk-1) and the dye (Bw-1) is 100:18 to 100:40;
- and
- a total content of the dyes is more than 0.50 to 1.5 mass %.
- (in formula (Bk-1), R1, R2, R5, R6, and R7 each independently represent a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a carboxyl group, a sulfo group, a sulfamoyl group, an N-alkyl aminosulfonyl group, N-phenyl-aminosulfonyl group, a (C1-C4) alkylsulfonyl group which may be substituted with a hydroxyl group, a phospho group, a nitro group, an acyl group, a ureido group, a (C1-C4) alkyl group (which may be substituted with a hydroxyl group or a (C1-C4) alkoxy group), a (C1-C4) alkoxy group (the alkyl group may be substituted with a hydroxyl group, a (C1-C4) alkoxy group, a sulfo group or a carboxyl group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted with a halogen atom, an alkyl group or a nitro group), R3 and R4 each independently represent a hydrogen atom, a halogen atom, a cyano group, a carboxyl group, a sulfo group, a nitro group, a (C1-C4) alkyl group (which may be substituted with a hydroxyl group or a (C1-C4) alkoxy group), a (C1-C4) alkoxy group (the alkyl group may be substituted with a hydroxyl group, a (C1-C4) alkoxy group, a sulfo group or a carboxyl group), an acylamino group, an alkylsulfonylamino group or a phenylsulfonylamino group (the phenyl group may be substituted with a halogen atom, an alkyl group or a nitro group), and n represents 0 or 1.)
- (in formula (Bw-1), R21, R22, R23, R24, R25, R26, R27, and R28 each independently represent a hydrogen atom;
- a halogen atom;
- a sulfo group;
- a carboxy group;
- a sulfamoyl group;
- a carbamoyl group;
- a (C1-C4) alkyl group;
- a (C1-C4) alkoxy group with;
- a (C1-C4) alkoxy group which is substituted with at least one group selected from a group consisting of a hydroxy group, a (C1-C4) alkoxy group, a hydroxy(C1-C4) alkoxy group, a sulfo group, and a carboxy group as a substituent;
- a (C1-C4) alkylcarbonylamino group;
- a (C1-C4) alkylcarbonylamino group substituted with a carboxy group;
- a ureido group;
- a mono(C1-C4) alkylureido group;
- a di(C1-C4) alkylureido group;
- a mono(C1-C4) alkylureido group substituted with at least one group selected from the group consisting of a hydroxy group, a sulfo group, and a carboxy group as a substituent;
- a di(C1-C4) alkylureido group substituted with at least one group selected from the group consisting of a hydroxy group, a sulfo group, and a carboxy group as a substituent;
- a benzolamino group;
- a benzolamino group in which a benzene ring is substituted with at least one group selected from the group consisting of a halogen atom, a (C1-C4)alkyl group, a nitro group, a sulfo group, and a carboxy group;
- a benzenesulfonylamino group;
- or a phenylsulfonylamino group in which a benzene ring is substituted with at least one group selected from a halogen atom, a (C1-C4)alkyl group, a nitro group, a sulfo group, and a carboxy group;
- and X represents a bivalent crosslinking group).
26 more elements
Dependencies are inferred from the claim text.