Ink set

Patent metadata

Field	Value
Publication number	US-10047234-B2
Application number	US-201514807474-A
Country	US
Kind code	B2
Filing date	Jul 23, 2015
Priority date	Jul 24, 2014
Publication date	Aug 14, 2018
Grant date	Aug 14, 2018

Abstract

There is provided an ink set including at least: a yellow ink; a magenta ink; and a cyan ink, in which the yellow ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (Y-1) and (Y-2), the magenta ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (M-1) and (M-2), and the cyan ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (C-1) and (C-2).

First claim

What is claimed is:

1. An ink set comprising at least:
a yellow ink;
a magenta ink; and
a cyan ink,
wherein the yellow ink includes coloring materials represented by Formula (Y-1),
the magenta ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (M-1) and (M-2), and
the cyan ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (C-1) and (C-2),

wherein in Formula (Y-1), R 4 represents a substituent; R 5 represents —OR 6 or —NHR 7 ; R 6 and R 7 each represent a hydrogen atom or a substituent; X 3 represents a divalent linking group; n0 represents 0 or 1; Ar 3 represents a divalent heterocyclic group; and Ar 4 represents an alkyl group, an aryl group, or a triazine group,

wherein in Formula (M-1), A M1 represents an alkylene group having 1 or 2 carbon atoms, an alkylene group which contains a phenylene group and has 1 or 2 carbon atoms, or a group represented by the following Formula (M-1-1); and X M1 represents an amino group, a hydroxy group, a chlorine atom, or a phenoxy group substituted with a sulfo group or a carboxy group,

wherein in Formula (M-1-1), R M1 represents a hydrogen atom or an alkyl group,

wherein in Formula (M-2), A M2 represents a 5-membered heterocyclic group; B M21 and B M22 each represents —CR M21 ═ or —CR M22 ═, or one of B M21 and B M22 represents a nitrogen atom and the other represents —CR M21 ═ or —CR M22 ═; R M23 and R M24 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, or a sulfamoyl group and R M23 and R M24 may further include a substituent; G M2 , R M21 , and R M22 each independently represent a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a cyano group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a hydroxy group, an alkoxy group, an aryloxy group, a silyloxy group, an acyloxy group, a carbamoyloxy group, a heterocyclic oxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group substituted with an alkyl group, an aryl group, or a heterocyclic group, an acylamino group, an ureido group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkyl and arylsulfonylamino group, an aryloxycarbonylamino group, a nitro group, an alkyl and arylthio group, an alkyl and arylsulfonyl group, an alkyl and arylsulfinyl group, a sulfamoyl group, a sulfo group, or a heterocyclic thio group and G M2 , R M21 , and R M22 may be further substituted; and R M21 and R M23 or R M23 and R M24 may be bonded to each other to form a 5- or 6-membered ring,

in Formula (C-1), R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 , and R 15 each independently represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxyl group, a nitro group, an amino group, an alkylamino group, an alkoxy group, an aryloxy group, an amide group, an arylamino group, an ureido group, a sulfamoylamino group, an alkylthio group, an arylthio group, an alkoxycarbonylamino group, a sulfonamide group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group, a heterocyclic oxy group, an azo group, an acyloxy group, a carbamoyloxy group, a silyloxy group, an aryloxycarbonyl group, an aryloxycarbonylamino group, an imide group, a heterocyclic thio group, a phosphoryl group, an acyl group, or an ionic hydrophilic group, wherein these groups may further include a substituent; Z 1 , Z 2 , Z 3 , and Z 4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; wherein, at least one of Z 1 , Z 2 , Z 3 , and Z 4 includes an ionic hydrophilic group as a substituent; l, m, n, p, q 1 , q 2 , q 3 , and q 4 each independently represent 1 or 2; M 1 represents a hydrogen atom, a metal atom, a metal oxide, a metal hydroxide, or a metal halide,

wherein in Formula (C-2), R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 , and R 16 each independently represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxyl group, a nitro group, an amino group, an alkylamino group, an alkoxy group, an aryloxy group, an amide group, an arylamino group, an ureido group, a sulfamoylamino group, an alkylthio group, an arylthio group, an alkoxycarbonylamino group, a sulfonamide group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group, a heterocyclic oxy group, an azo group, an acyloxy group, a carbamoyloxy group, a silyloxy group, an aryloxycarbonyl group, an aryloxycarbonylamino group, an imide group, a heterocyclic thio group, a phosphoryl group, an acyl group, or an ionic hydrophilic group, wherein these groups may further include a substituent; Z 5 , Z 6 , Z 7 , and Z 8 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; wherein at least one of Z 5 , Z 6 , Z 7 , and Z 8 includes an ionic hydrophilic group as a substituent; t, u, v, w, q 5 , q 6 , q 7 , and q 8 each independently represent 1 or 2; M 2 represents a hydrogen atom, a metal atom, a metal oxide, a metal hydroxide, or a metal halide.

2. The ink set according to claim 1 , wherein the yellow ink, the magenta ink, or the cyan ink contains an alkylene oxide adduct of acetylene glycol whose main chain has 12 or more carbon atoms and acetylene glycol whose main chain has 10 or more carbon atoms.

3. The ink set according to claim 1 , wherein the yellow ink, the magenta ink, or the cyan ink contains polyoxy alkylene alkyl ether.

4. The ink set according to claim 1 , wherein the content of the alkylene oxide adduct of acetylene glycol whose main chain has 12 or more carbon atoms, which is contained in the yellow ink, is larger than the content of the alkylene oxide adduct of acetylene glycol whose main chain has 12 or more carbon atoms, which is contained in the magenta ink or the cyan ink.

5. The ink set according to claim 2 , wherein the content of the alkylene oxide adduct of acetylene glycol whose main chain has 12 or more carbon atoms, which is included in the yellow ink, the magenta ink, or the cyan ink is in a range of 0.050% by mass to 1.0% by mass.

6. The ink set according to claim 3 , wherein the content of the polyoxy alkylene alkyl ether which is contained in the yellow ink, the magenta ink, or t

Assignees

• Seiko Epson Corp

Inventors

• Ohori Hiromi
• Teramoto Ryosuke
• Miyake Yuho
• Kanaya Miharu
• Hayashi Hiroko
• Ishihara Daisuke

Classifications

• C09D11/40

  Ink-sets specially adapted for multi-colour inkjet printing · CPC title

• C09D11/00 Primary

  Inks · CPC title

• C09D11/328 Primary

  characterised by dyes · CPC title