JP2009030023A5

JP2009030023A5 -

Info

Publication number: JP2009030023A5
Application number: JP2008142279A
Authority: JP
Filing date: 2008-05-30
Publication date: 2010-06-03
Anticipated expiration: 2028-05-30

Claims

An ink containing at least a first color material, a second color material, and a third color material,
The first colorant is a compound represented by the following general formula (I):
The second colorant is a compound represented by the following general formula (II):
The ink, wherein the third color material is a compound represented by the following general formula (III).

(In general formula (I), A is an optionally substituted aromatic group or heterocyclic group, B is any group represented by the following general formulas (1) to (5), M Are each independently a hydrogen atom, an alkali metal, ammonium, or organic ammonium.)

(In the general formulas (1) to (5), R _{1 to} R ₉ are each independently a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group, Aryloxycarbonyl group, heterocyclic oxycarbonyl group, acyl group, hydroxyl group, alkoxy group, aryloxy group, heterocyclic oxy group, silyloxy group, acyloxy group, carbamoyloxy group, alkoxycarbonyloxy group, aryloxycarbonyloxy group, Amino group including anilino group and heterocyclic amino group, acylamino group, ureido group, sulfamoylamino group, alkoxycarbonylamino group, aryloxycarbonylamino group, alkyl or arylsulfonylamino group, heterocyclic sulfonylamino group, cyano group , Nitro group, al A kill or arylthio group, a heterocyclic thio group, an alkyl or arylsulfonyl group, a heterocyclic sulfonyl group, an alkyl or arylsulfinyl group, a heterocyclic sulfinyl group, a sulfamoyl group, or a sulfonic acid group, each group being further substituted May be good.)

(In the general formula (II), each R ₁₀ independently represents a hydrogen atom, a hydroxyl group, a carboxyl group, a hydroxyl group or an alkyl group having 1 to 4 carbon atoms which may be substituted by an alkoxy group having 1 to 4 carbon atoms. 1 to 4 carbon atoms which may be substituted by a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms, 1 to 4 carbon atoms which may be substituted by a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms Substituted by 4 alkylamino groups, carboxyl-alkylamino groups having 1 to 5 carbon atoms, bis- [carboxy-alkyl having 1 to 5 carbon atoms] amino groups, hydroxyl groups or alkoxy groups having 1 to 4 carbon atoms. C1-C4 alkanoylamino group, carboxyl group or sulfonic acid group Or a phenylamino group optionally substituted with an amino group, a sulfonic acid group, a halogen atom, or a ureido group, [C] is an aliphatic amine residue having a carboxyl group or a sulfonic acid group, and M is Each independently a hydrogen atom, an alkali metal, ammonium, or organic ammonium.)

(In the general formula (III), D is a phenyl group having a substituent, and the substituent is a carboxyl group, a sulfonic acid group, a chlorine atom, a cyano group, a nitro group, a sulfamoyl group, or a group having 1 to 4 carbon atoms. An alkyl group, an alkoxy group having 1 to 4 carbon atoms (which may be substituted with a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, a sulfonic acid group, or a carboxyl group), and an alkylsulfonyl group having 1 to 4 carbon atoms; Selected from the group consisting of (which may be substituted with a hydroxyl group, a sulfonic acid group, or a carboxyl group) E and F are each independently a paraphenylene group having a substituent, and the substituent is a carboxyl group Group, sulfonic acid group, alkyl group having 1 to 4 carbon atoms, alkoxy group having 1 to 4 carbon atoms (hydroxyl group, alkoxy group having 1 to 4 carbon atoms, sulfonic acid , Or carboxyl which may be substituted with a group), and an alkylsulfonyl group (hydroxyl group of 1 to 4 carbon atoms, selected from the group consisting of a sulfonic acid group, or may be substituted by carboxyl group) .R ₁₁ is any of an alkyl group having 1 to 4 carbon atoms which may be substituted with a carboxyl group, a phenyl group which may be substituted with a sulfonic acid group, or a carboxyl group, and R ₁₂ is a cyano group, It is either a carbamoyl group or a carboxyl group, and R ₁₃ and R ₁₄ are each independently a hydrogen atom, a methyl group, a chlorine atom, or a sulfonic acid group.)

The ink according to claim 1, wherein A in the compound represented by the general formula (I) is an optionally substituted naphthyl group, and B is a group represented by the general formula (2).

The substituent represented by D in the compound represented by the general formula (III) is a sulfonic acid group or a carboxyl group, and E and F are groups represented by the following general formula (6). The ink described in 1.

(In the general formula (6), R ₁₅ is a sulfonic acid group or a sulfopropoxy group, and R ₁₆ is any one of a hydrogen atom, a methyl group, an ethyl group, a methoxy group, or an ethoxy group.)

The content (% by mass) of the first color material in the ink is 45.0% or more and 75.0% or less with respect to the total content (% by mass) of all the color materials in the ink. The ink according to any one of claims 1 to 3.

The content (mass%) of the second color material in the ink is greater than 12.0% and 40.0% or less with respect to the total content (mass%) of all the color materials in the ink. The ink according to any one of claims 1 to 4.

The content (mass%) of the first color material in the ink is 50.0% or more with respect to the total content (mass%) of all the color materials in the ink,
In addition, the content (mass%) of the second color material in the ink is 0.60 times or more and 1 in mass ratio with respect to the content (mass%) of the third color material in the ink. The ink according to any one of claims 1 to 5, which is less than 0.000 times.

7. An ink jet recording method for performing recording on a recording medium by ejecting ink by an ink jet method, wherein the ink is the ink according to any one of claims 1 to 6 .

An ink cartridge comprising an ink container for containing ink, wherein the ink is the ink according to any one of claims 1 to 6 .

An ink storage portion for storing ink, a recording unit and a recording head for ejecting the ink, the ink, wherein the ink is an ink according to any one of claims 1 to 6 Recording unit.

An ink jet recording apparatus comprising an ink containing portion for containing ink and a recording head for ejecting ink, wherein the ink is the ink according to any one of claims 1 to 6. Inkjet recording apparatus.