WO2010073603A1 - ポルフィラジン色素、これを含有するインク組成物及び着色体 - Google Patents
ポルフィラジン色素、これを含有するインク組成物及び着色体 Download PDFInfo
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- WO2010073603A1 WO2010073603A1 PCT/JP2009/007094 JP2009007094W WO2010073603A1 WO 2010073603 A1 WO2010073603 A1 WO 2010073603A1 JP 2009007094 W JP2009007094 W JP 2009007094W WO 2010073603 A1 WO2010073603 A1 WO 2010073603A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B47/00—Porphines; Azaporphines
- C09B47/04—Phthalocyanines abbreviation: Pc
- C09B47/08—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex
- C09B47/24—Obtaining compounds having —COOH or —SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
- C09B47/26—Amide radicals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B47/00—Porphines; Azaporphines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/328—Inkjet printing inks characterised by colouring agents characterised by dyes
Definitions
- the present invention relates to a novel porphyrazine coloring matter or a salt thereof, an ink composition containing the same, an ink jet recording method using the ink composition, and a colored body.
- an image recording material a material for forming a color image has been mainly used as an image recording material.
- an inkjet recording material a thermal transfer type image recording material, a recording material using an electrophotographic system, a transfer type halogen, and the like.
- Silver halide photosensitive materials, printing inks, recording pens and the like are actively used.
- color filters are used in electronic parts such as LCDs (liquid crystal displays) and PDPs (plasma display panels) in displays and CCDs (imaging elements) in imaging equipment.
- LCDs liquid crystal displays
- PDPs plasma display panels
- CCDs imaging elements
- three primary colorants (dyes and pigments) of the so-called additive color mixture method and subtractive color mixture method are used to reproduce or record a full color image.
- the fact is that there is no dye having an absorption characteristic that can realize a preferable color gamut and that can withstand various use conditions, and improvement is strongly desired.
- Ink jet recording methods include a continuous method in which ink droplets are continuously discharged and an on-demand method in which the droplets are discharged in accordance with an image information signal.
- the discharge method is a method in which droplets are discharged by applying pressure with a piezo element, a method in which bubbles are generated in heat by generating bubbles in the ink, a method using ultrasonic waves, or a droplet by electrostatic force.
- Examples of inks suitable for inkjet recording include water-based inks, oil-based inks, and solid (melting type) inks.
- the performance required for the dyes used in inks suitable for such ink jet recording includes good solubility or dispersibility in solvents, high density recording, and good hue. , Strong against light, heat, and active gases in the environment (NOx, ozone, and other oxidizing gases, SOx, etc.), excellent durability against water and chemicals, fixing to recording materials
- the ink is good and difficult to spread, has excellent storability as an ink, has no toxicity, and can be obtained at low cost.
- a recorded matter having a good cyan hue and a high print density can be obtained, and various resistances of recorded images, such as light resistance (durability to light), ozone resistance (durability to ozone gas), and There is a strong demand for cyan dyes having excellent moisture resistance (durability under high humidity).
- Typical examples of water-soluble cyan dyes used in inks suitable for inkjet recording are phthalocyanine and triphenylmethane.
- phthalocyanine and triphenylmethane are phthalocyanine and triphenylmethane.
- phthalocyanine derivatives classified as A to H below are known.
- I. A known phthalocyanine dye having a (color index) number.
- Phthalocyanine dyes described in Patent Documents 8, 9, and 12, etc. A phthalocyanine compound in which the substitution position of a substituent is controlled, a phthalocyanine dye having a substituent introduced at the ⁇ -position].
- the phthalocyanine dyes represented by Direct Blue 86 or Direct Blue 199 which are currently widely used, are characterized by being excellent in light resistance compared to generally known magenta dyes and yellow dyes. Phthalocyanine-based dyes have a greenish hue under acidic conditions, which is not preferable for cyan ink. Therefore, when these dyes are used as cyan ink, they are preferably used under neutral to alkaline conditions. However, even if the ink is neutral to alkaline, if the recording material to be used is acidic paper, the hue of the recorded matter may change greatly.
- a phthalocyanine dye when used as a cyan ink, the hue of the recorded matter is changed to a green color and is also decolored by an oxidizing gas such as nitrogen oxide gas or ozone, which is often cited as an environmental problem. As a result, the print density also decreases at the same time.
- triphenylmethane is good, but it is very inferior in light resistance, ozone resistance and moisture resistance.
- the oxidizing gas mentioned here refers to a gas having an oxidizing action existing in the air.
- the oxidation resistant gas resistance is resistance to a phenomenon that a dye (dye) of a recorded image reacts with the oxidizing gas on the recording paper or in the recording paper to cause the recorded image to discolor.
- ozone gas is considered to be a main causative substance that promotes the discoloration and fading phenomenon of ink jet recorded images. Since this discoloration phenomenon is characteristic of ink jet recorded images, improvement of ozone gas resistance is an important technical problem in this field.
- cyan dyes for example, phthalocyanine dyes
- cyan inks that satisfy these requirements at a high level. So far, phthalocyanine dyes or benzopyridoporphyrazine dyes imparted with ozone gas resistance have been disclosed in Patent Documents 3, 8-12, 14-17, etc., and hue, print density, light resistance, ozone gas resistance, moisture resistance, etc.
- the present invention relates to a porphyrazine coloring matter or a salt thereof suitable for ink jet recording having a good hue as a cyan ink, hardly causing bronzing, and excellent in ozone resistance, and an ink composition containing the same. It is an issue to provide.
- porphyrazine dye represented by the following formula (1) can solve the above problems, and have completed the present invention. That is, the present invention (1) Porphyrazine dye represented by the following formula (1) or a salt thereof, [Where: Rings A to D each independently represent a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring fused to a porphyrazine ring, and the average number of nitrogen-containing heteroaromatic rings is greater than 0.00 and greater than 1.00.
- E represents alkylene
- X and Y are each independently an anilino group having a sulfo group, a carboxy group or a phosphate group as a substituent, or the same naphthylamino group
- the anilino group or naphthylamino group is a sulfo group, a carboxy group, a phosphate group, a sulfamoyl group, a carbamoyl group, a hydroxy group, an alkoxy group, an amino group, a mono or dialkylamino group, a mono or diarylamino group, an acetylamino group.
- b is an average value of 0.00 or more and less than 3.90
- c is an average value of 0.10 or more and less than 4.00
- the sum of b and c is an average value of more than 3.00 and less than 4.00.
- X and Y are each independently an anilino group having 1 to 3 carboxy groups as a substituent, and b is an average value of 0 or more and 3.4, c is an average value of 0.1 to 3.5, And the sum of b and c is 1.0 to 3.5,
- the number of nitrogen-containing heteroaromatic rings is an average value of more than 0.0 and less than 0.5. ]
- the 6-membered nitrogen-containing heteroaromatic ring in rings A to D is a pyridine ring, and the condensed ring positions of the pyridine ring are the 2-position, 3-position, 3-position and 4-position with the nitrogen atom of the pyridine ring as the first position, 4th and 5th, or 5th and 6th, or
- the 6-membered nitrogen-containing heteroaromatic ring in rings A to D is a pyrazine ring, and the condensed positions of the pyrazine ring are the 2nd and 3rd positions with the nitrogen atom of the pyrazine ring as the 1st and 4th positions,
- E is C2-C4 alkylene;
- X and Y are each independently an anilino group having a sulfo group, a carboxy group or a phosphate group as a substituent, or the same naphthylamino group;
- the anilino group or naphthylamino group further comprises
- the porphyrazine dye or salt thereof according to any one of (1) to (3) above, (5)
- the number of 6-membered nitrogen-containing heteroaromatic rings in rings A to D is 0.2 to 0.9 on average, and the rest are benzene rings, b is an average value of 0.0 to 3.7; c is an average value of 0.1 to 3.8, And the sum of b and c has an average value of 3.1 to 3.8, or a porphyrazine dye or a salt thereof according to any one of (1) to (4),
- the 6-membered nitrogen-containing heteroaromatic ring in rings A to D is a pyridine ring, and the condensed positions of the pyridine ring are the 2nd and 3rd positions with the nitrogen atom of the pyridine ring as the 1st position, and the pyridine
- the average number of rings is 0.50 to 0.85, the rest are benzene rings, E is ethylene or propylene, X and Y are each independently an anilino group having a sulfo group as a substituent; b is an average value of 0.00 to 3.40, c is an average value of 0.10 to 3.50, And the sum of b and c has an average value of 3.15 to 3.50, the porphyrazine dye or a salt thereof according to any one of (1) to (6) above,
- Inkjet recording method for recording by (13) The inkjet recording method according to (12), wherein the recording material is an information transmission sheet, (14) The inkjet recording method according to (13) above, wherein the information transmission sheet is a surface-treated sheet, and the sheet has an ink receiving layer containing white inorganic pigment particles on a support.
- the ink composition using the coloring matter of the present invention has a good hue as a cyan ink.
- the recorded image obtained by the ink composition of the present invention does not cause a bronze phenomenon, has good ozone resistance, and has an excellent balance of hue, resistance to bronzing, and ozone resistance. Moreover, there is no solid precipitation, physical property change, color change, etc. after long-term storage, and storage stability is good. Therefore, the cyan ink containing the porphyrazine coloring matter of the present invention or a salt thereof is extremely useful as an ink for inkjet recording.
- the porphyrazine coloring matter represented by the formula (1) of the present invention or a salt thereof is larger than 0 among four benzo (benzene) rings of tetrabenzoporphyrazine (usually called phthalocyanine).
- the “porphyrazine dye of the present invention or a salt thereof” is hereinafter simply described as “porphyrazine dye of the present invention” unless otherwise specified.
- examples of the nitrogen-containing heteroaromatic ring in the rings A to D include, for example, a pyridine ring, a pyrazine ring, a pyrimidine ring, and And nitrogen-containing heteroaromatic rings containing 1 to 2 nitrogen atoms such as pyridazine ring.
- a pyridine ring or a pyrazine ring is preferable, and a pyridine ring is more preferable.
- the number of nitrogen-containing heteroaromatic rings is usually an average value of more than 0.00 and less than 1.00, preferably 0.1 or more and 0.95 or less, more preferably 0.2 or more and 0.9 or less. More preferably, it is in the range of 0.2 to 0.85, particularly preferably 0.25 to 0.85, and most preferably 0.5 to 0.85.
- the remaining rings A to D are benzene rings, and the benzene ring in rings A to D is usually an average value of more than 3.00 and less than 4.00, preferably 3.05 or more and 3.9 or less, more preferably 3.1 or more and 3.8 or less, optionally 3.15 or more and 3.8 or less, more preferably 3.15 or more and 3.75 or less, and particularly preferably 3.15 or more and 3.5 or less.
- X and Y are each independently an anilino group having 1 to 3 carboxy groups as substituents
- b is an average value of 0 or more and 3.4
- c is an average value of 0.1 or more and 3
- the average number of nitrogen-containing heteroaromatic rings is more than 0.0 and less than 0.5.
- the position at which the nitrogen-containing heteroaromatic ring is condensed to the porphyrazine ring is not particularly limited as long as it is a position having two consecutive carbon atoms in the heteroaromatic ring.
- nitrogen-containing heteroaromatic ring is a pyridine ring, 2-position and 3-position or 5-position and 6-position, or 3-position and 4-position or 4-position and 5-position, preferably the former; if pyrazine ring, 2-position and 3rd position; 4th and 5th position for pyrimidine ring; 3rd and 4th position, or 4th and 5th position for pyridazine ring;
- the porphyrazine dye of the present invention is a dye mixture of a plurality of dyes as is apparent from the fact that the number of nitrogen-containing heterocycles of rings A to D is represented by an average value. More specifically, the porphyrazine dye of the present invention includes a porphyrazine dye in which all of the rings A to D are benzene rings, and a nitrogen-containing heteroaromatic in which one or more of the rings A to D are 6-membered rings. It is a mixture with a porphyrazine dye which is a ring.
- the “number of benzene rings or 6-membered nitrogen-containing heteroaromatic rings” in the present application is The average value of the number of benzene rings or 6-membered nitrogen-containing heteroaromatic rings per molecule is represented.
- the number of the nitrogen-containing heteroaromatic ring and the number of substituents represented by b or c are the second or third digit after the decimal point, as necessary. Round up to the first or second digit.
- the alkylene in E includes, for example, a C2-C12 linear, branched or cyclic alkylene, preferably a linear or cyclic, and more preferably a linear.
- the number of carbon atoms is preferably C2-C6, more preferably C2-C4, and still more preferably C2-C3 alkylene.
- alkylene in E examples include ethylene, propylene, butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene, undecylene, dodecylene, and the like; branched chains such as 2-methylethylene; cyclopropylene And cyclic compounds represented by diyl, 1,2- or 1,3-cyclopentylenediyl, 1,2-, 1,3- or 1,4-cyclohexylenediyl, and the like.
- Preferable specific examples of the alkylene in E are ethylene, propylene and butylene, more preferably ethylene or propylene, and still more preferably ethylene.
- X and Y each independently represent an anilino group or a naphthylamino group having a sulfo group, a carboxy group or a phosphate group as a substituent.
- the anilino group or the naphthylamino group has any one group selected from the group consisting of a sulfo group, a carboxy group, and a phosphate group as a substituent.
- the anilino group or the naphthylamino group is preferably an anilino group or naphthylamino group substituted with a sulfo group or a carboxy group.
- an anilino group or naphthylamino group substituted with a sulfo group More preferred is an anilino group or naphthylamino group substituted with a sulfo group; and more preferred is an anilino group substituted with a sulfo group.
- the substitution position of the sulfo group, carboxy group or phosphate group is not particularly limited, but in the case of an anilino group, the 2-position, 3-position or 4-position, preferably 3-position or 4-position, more preferably 4-position; naphthylamino group
- the amino group is preferably substituted at the 1-position or 2-position, and substituted at any of the 3-position, 5-position, 6-position, 7-position and 8-position.
- the amino group is preferably substituted at the 1- or 2-position.
- substituent of the anilino group is one include those substituted with a sulfo group such as 2-sulfoanilino, 3-sulfoanilino, 4-sulfoanilino; 2-carboxyanilino, 3-carboxyanilino, 4- And those substituted with a phosphate group such as 2-phosphoanilino, 3-phosphoanilino and 4-phosphoanilino.
- a sulfo group such as 2-sulfoanilino, 3-sulfoanilino, 4-sulfoanilino
- 2-carboxyanilino 2-carboxyanilino
- 3-carboxyanilino 4-
- phosphate group such as 2-phosphoanilino, 3-phosphoanilino and 4-phosphoanilino.
- naphthylamino group having one substituent include those substituted with a sulfo group such as 6-sulfo-1-naphthylamino and 6-sulfo-2-naphthylamino; 6-carboxy-1- Substituted with a carboxy group such as naphthylamino, 6-carboxy-2-naphthylamino; substituted with a phosphate group such as 6-phospho-1-naphthylamino, 6-phospho-2-naphthylamino; etc. Is mentioned.
- an anilino group or naphthylamino group having a sulfo group, a carboxy group or a phosphate group as a substituent further includes (1) a sulfo group, (2) a carboxy group, (3) a phosphate group, ( 4) sulfamoyl group, (5) carbamoyl group, (6) hydroxy group, (7) alkoxy group, (8) amino group, (9) monoalkylamino group, (10) dialkylamino group, (11) monoarylamino Group, (12) diarylamino group, (13) acetylamino group, (14) ureido group, (15) alkyl group, (16) nitro group, (17) cyano group, (18) halogen atom, (19) alkyl One or two selected from the group consisting of 22 substituents consisting of a sulfonyl group, (20) alkylthio group, (21) aryloxy group and (22) heterocyclic
- the number of substitution with a group selected from the group consisting of these 22 kinds of substituents is usually 0 to 3, preferably 0 to 2, more preferably 0 or 1, when X and Y are the anilino group, More preferably, it is 0; when X and Y are the naphthylamino group, it is usually 0 to 3, preferably 0 to 2.
- the alkoxy group in the group selected from the group consisting of 22 types of substituents includes linear, branched or cyclic C1-C6, preferably C1-C4, more preferably C1-C3 alkoxy groups.
- Straight chain or branched alkoxy is preferred, and straight chain is more preferred.
- Specific examples include linear alkoxy such as methoxy, ethoxy, n-propoxy, n-butoxy, n-pentoxy and n-hexyloxy; branched alkoxy such as isopropoxy, isobutoxy, t-butoxy, isopentoxy and isohexyloxy; cyclopropoxy , Cyclic alkoxy such as cyclopentoxy and cyclohexyloxy; and the like.
- Examples of the monoalkylamino group in the group selected from the group consisting of 22 kinds of substituents include linear or branched mono C1-C4, preferably mono C1-C3 alkylamino groups. Specific examples include linear alkylamino such as methylamino, ethylamino, n-propylamino and n-butylamino; branched alkylamino such as isopropylamino, isobutylamino and t-butylamino;
- dialkylamino group in the group selected from the group consisting of 22 kinds of substituents linear or branched C1-C4, preferably C1-C3 alkyl, which is alkyl exemplified in the monoalkylamino group
- a dialkylamino group having two independently is mentioned. Specific examples include dimethylamino, diethylamino, methylethylamino and the like.
- the monoarylamino group in the group selected from the group consisting of 22 kinds of substituents includes a mono C6-C10 aromatic amino group, preferably a phenylamino group or a naphthylamino group, more preferably a phenylamino group.
- the diarylamino group in the group selected from the group consisting of 22 kinds of substituents is C6-C10 aromatic, preferably phenyl or naphthyl, more preferably phenyl, which is the aryl mentioned for the monoarylamino group.
- a diarylamino group having two independently is mentioned.
- An amino group having preferably the same aryl, more preferably two phenyls is mentioned. Specific examples thereof include diphenylamino.
- alkyl group in the group selected from the group consisting of 22 kinds of substituents examples include linear, branched or cyclic C1-C6, preferably C1-C4, more preferably C1-C3 alkyl groups.
- a linear or branched alkyl group is preferable, and a linear alkyl group is more preferable.
- Specific examples include linear alkyl such as methyl, ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl; branched alkyl such as isopropyl, isobutyl, isopentyl, isohexyl; cyclopropyl, cyclopentyl, cyclohexyl, etc. And the like.
- halogen atom in the group selected from the group consisting of 22 substituents include a fluorine atom, a chlorine atom and a bromine atom, preferably a fluorine atom or a chlorine atom, and more preferably a chlorine atom.
- the alkylsulfonyl group in the group selected from the group consisting of 22 substituents includes a sulfonyl group substituted with a linear or branched C1-C6, preferably C1-C4, more preferably C1-C3 alkyl. Can be mentioned.
- linear alkyl is preferable. Specific examples include linear alkylsulfonyl such as methanesulfonyl, ethanesulfonyl and propanesulfonyl; branched alkylsulfonyl such as isopropylsulfonyl; and the like.
- alkylthio group in the group selected from the group consisting of 22 kinds of substituents examples include linear or branched C1-C6, preferably C1-C4, more preferably C1-C3 alkylthio groups.
- alkyl linear alkyl is preferable. Specific examples include linear alkylthio such as methylthio, ethylthio, propylthio and butylthio; branched alkylthio such as isopropylthio;
- the aryloxy group in the group selected from the group consisting of 22 substituents includes C6-C10 mono- or condensed-ring aryloxy groups, more preferably phenoxy or naphthyloxy, more preferably phenoxy. is there.
- the aryloxy group may have a halogen atom as a substituent, preferably a chlorine atom, a C1-C4 alkoxy group, a nitro group or a sulfo group, and may be unsubstituted.
- aryloxy group examples include unsubstituted aryloxy groups such as phenoxy, 1-naphthyloxy and 2-naphthyloxy; halogen atoms such as 2,4-dichlorophenoxy and 4-chlorophenoxy, preferably chlorine atom-substituted aryloxy groups C1-C4 alkoxy-substituted aryloxy groups such as 4-methoxyphenoxy; nitro-substituted aryloxy groups such as 2-nitrophenoxy and 4-nitrophenoxy; sulfo-substituted aryloxy groups such as 2-sulfo-6-naphthyloxy; Can be mentioned.
- heterocyclic group in the group selected from the group consisting of 22 kinds of substituents include 5- to 6-membered rings containing hetero atoms, and of these, nitrogen atoms, oxygen atoms and / or sulfur atoms are contained. Heteroaromatic groups are preferred.
- an unsubstituted or carboxy-substituted nitrogen-containing heteroaromatic group such as pyridin-3-yl, pyridin-4-yl, 6-carboxypyridin-3-yl, preferably an unsubstituted or carboxy-substituted pyridine ring group; Sulfur-containing heteroaromatic groups such as thiophen-2-yl and 5-chlorothiophen-2-yl, preferably unsubstituted or chlorine-substituted thiophene groups; oxygen-containing heteroaromatic groups such as furan-2-yl, preferably An unsubstituted furan ring group is mentioned.
- anilino group or the naphthyl group of X and Y have one or two groups selected from the group consisting of 22 kinds of substituents include 2,5-disulfoanilino, 2,4- Disulfoanilino, 2-carboxy-4-sulfoanilino, 2-carboxy-5-sulfoanilino, 4-ethoxy-2-sulfoanilino, 4-anilino-3-sulfoanilino, 4-acetylamino-2-sulfoanilino, 2-methyl-5-sulfoanilino
- the group selected from the group consisting of 22 substituents is preferably a sulfo group, a carboxy group, an alkoxy group, a monoarylamino group, an acetylamino group, an alkyl group or a halogen atom (preferably a chlorine atom), and a sulfo group. Or a carboxy group is more preferable.
- a C1-C6 alkoxy group, a ureido group, an acetylamino group, a nitro group, or a chlorine atom is more preferable than a sulfo group, a carboxy group, a phosphate group, a hydroxy group, or an alkoxy group, and a sulfo group or a hydroxy group is more preferable.
- the group selected from the group consisting of 22 substituents is more preferably a sulfo group.
- the anilino group or the naphthylamino group having a sulfo group, a carboxy group or a phosphate group as a substituent is optionally one or two selected from the group consisting of the 22 types of substituents. It may be further substituted with more than one group. However, it is usually preferable that the anilino group and the naphthylamino group do not have a group selected from the group consisting of the 22 types of substituents. That is, X and Y are preferably an anilino group or a naphthylamino group having a sulfo group, a carboxy group, or a phosphate group as a substituent and having no other substituent. More preferred is a sulfoanilino group having one sulfo group as a substituent and no other substituent.
- the porphyrazine dye represented by formula (1) of the present invention is a plurality of dyes having different values of b and c.
- the mixture is treated as a compound having the average number of substituents.
- b is 0.00 or more and less than 3.90
- c is 0.10 or more and less than 4.00
- the sum of b and c is greater than 3.00 and less than 4.00 on average.
- b is 0 or more and 3.7 or less, c is 0.1 or more and 3.8 or less, and the sum of b and c is 3.1 or more and 3.8 or less. More preferably, b is 2.05 or more and 3.25 or less, c is 0.5 or more and 1.1 or less, and the sum of b and c is 3.1 or more and 3.8 or less. More preferably, b is 2.15 or more and 3 or less, c is 0.6 or more and 1 or less, and the sum of b and c is 3.1 or more and 3.8 or less, preferably 3 .15 or more and 3.5 or less.
- the nitrogen-containing heteroaromatic rings in rings A to D are on average greater than 0.00 and less than 1.00, and the benzene ring is greater than 3.00 and less than 4.00.
- the sum of b and c corresponds to the number of benzene rings.
- the nitrogen-containing heteroaromatic ring in rings A to D is 0.2 to 0.9
- the benzene ring is 3.1 to 3.8
- b is 0.0 to 3.7
- c is 0.1.
- the sum of b and c is 3.1 to 3.8
- b is 2.05 to 3.25 and c is 0.5 to 1.1.
- the sum of b and c is 3.1 to 3.8.
- rings A to D when the nitrogen-containing heteroaromatic ring in rings A to D is 0.20 or more and 0.85 or less, and the benzene ring is 3.15 or more and 3.80 or less, b is 1.85 or more and 3.50 or less. , C is 0.30 or more and 1.30 or less, and the sum of b and c is 3.15 or more and 3.80 or less.
- the nitrogen-containing heteroaromatic ring in rings A to D is 0.25 to 0.85
- the benzene ring is 3.15 to 3.75
- b is 0.00 to 3.05
- c Is 0.10 or more and 3.75 or less
- the sum of b and c is 3.15 or more and 3.75 or less
- b is 2.05 or more and 3.25 or less
- c is 0.50 or more and 1 or less. .10 or less
- the sum of b and c is 3.15 or more and 3.75 or less.
- the nitrogen-containing heteroaromatic ring in rings A to D is 0.50 or more and 0.85 or less, and the benzene ring is 3.15 or more and 3.50 or less
- b is 0.00 or more and 3.40 or less
- c Is 0.10 or more and 3.50 or less
- the sum of b and c is 3.15 or more and 3.50 or less
- b is 2.15 or more and 2.90 or less
- c is 0.60 or more and 1 .00 or less
- the sum of b and c is 3.15 or more and 3.50 or less.
- the unsubstituted sulfamoyl group and the substituted sulfamoyl group each representing the number of substitutions in b and c are groups substituted on the benzene ring when the rings A to D are benzene rings, When A to D are 6-membered nitrogen-containing heteroaromatic rings, they are not substituted.
- b, c, and the sum of b and c are rounded to the first or second digit by rounding off the second or third digit after the decimal point as necessary.
- rings A to D each independently represent a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring fused to a porphyrazine ring, and the number of nitrogen-containing heteroaromatic rings in rings A to D is The average value is greater than 0.00 and less than 1.00, the rest are benzene rings
- E is C2-C12 alkylene
- X and Y are each independently an anilino group or naphthylamino group having one group selected from the group consisting of a sulfo group, a carboxy group and a phosphate group as a substituent,
- the anilino group or the naphthylamino group further includes a sulfo group, a carb
- the nitrogen-containing heteroaromatic ring is 0.2 or more and 0.9 or less
- the benzene ring is 3.1 or more and 3.8 or less
- b is 0.0 or more and 3.7 or less
- c is 0.8. 1 to 3.8 and the sum of b and c is 3.1 to 3.8, preferably b is 2.05 to 3.25 and c is 0.5 to 1.
- the porphyrazine coloring matter or salt thereof according to any one of (i) to (vi) above, which is 1 or less and the sum of b and c is 3.1 or more and 3.8 or less.
- the nitrogen-containing heteroaromatic ring is from 0.25 to 0.85
- the benzene ring is from 3.15 to 3.75
- b is from 0.00 to 3.05
- c is from 0.00. 10 or more and 3.75 or less
- the sum of b and c is 3.15 or more and 3.75 or less, preferably b is 2.05 or more and 3.25 or less
- c is 0.50 or more and 1.
- the porphyrazine coloring matter or a salt thereof according to any one of (i) to (vi) above, wherein 10 or less and the sum of b and c is 3.15 or more and 3.75 or less.
- the nitrogen-containing heteroaromatic rings in rings A to D are 0.50 or more and 0.85 or less, the benzene ring is 3.15 or more and 3.50 or less, b is 0.00 or more and 3.40 or less, and c is 0.8. 10 to 3.50 and the sum of b and c is 3.15 to 3.75, preferably b is 2.15 to 2.90 and c is 0.60 to 1.00
- the porphyrazine dye or salt thereof according to any one of (i) to (vi) above, wherein the sum of b and c is 3.15 or more and 3.50 or less.
- the dye represented by the formula (1) can form a salt using a sulfo group, a carboxy group, a phosphoric acid group, and the like in the molecule.
- an inorganic metal It is preferred to form a salt with each cation of ammonia or organic base.
- Inorganic metals include alkali metals and alkaline earth metals. Examples of the alkali metal include lithium, sodium and potassium. Examples of the alkaline earth metal include calcium and magnesium.
- organic base examples include organic amines, for example, lower alkylamines having 1 to 3 carbon atoms such as methylamine and ethylamine, monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine and triisopropanol.
- mono-, di- or tri (C1-C4 alkanol) amines such as amines.
- more preferable salts include alkali metal salts such as sodium, potassium and lithium; mono, di or tri (carbon) such as monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine and triisopropanolamine.
- Table 1 shows specific examples of rings A to D, E, X and Y and the average number of b and c in the porphyrazine dye represented by the formula (1) of the present invention.
- the following examples show typical dyes for specifically explaining the dyes of the present invention, and are not limited to the following examples.
- “2,3-pyrido” represents a pyridine ring fused to a porphyrazine ring at the 2-position and 3-position
- “benzo” represents a benzene ring fused to a porphyrazine ring as described above.
- the numerical value of represents the number (average value) of each ring in the rings A to D.
- the porphyrazine coloring matter of the present invention can usually be used without blending other pigments. However, in some cases, the porphyrazine coloring matter may be blended with a known cyan coloring matter within a range not inhibiting the effects of the present invention. When used in combination with known cyan dyes, phthalocyanine dyes are preferred as the dyes to be added.
- dye represented by said Formula (1) is demonstrated.
- the coloring matter represented by the formula (1) of the present invention comprises reacting the porphyrazine compound represented by the formula (3) with the organic amine represented by the formula (4) in the presence of ammonia. Can be obtained.
- the porphyrazine compound represented by the formula (3) is obtained by synthesizing a compound represented by the following formula (6) by a known method or a method analogous thereto, and then chlorosulfonylating the compound. be able to.
- the compound represented by the following formula (6) can be synthesized according to a known method disclosed in, for example, WO2007 / 091631 and WO2007 / 116933. These known documents do not disclose a production method relating to a compound in which the number of nitrogen-containing heteroaromatic rings in rings A to D is less than 1.
- the inclusion ratio in the rings A to D can be changed by changing the blending ratio of the nitrogen-containing heteroaromatic dicarboxylic acid derivative used as a reaction raw material and the phthalic acid derivative.
- a compound represented by the formula (6) in which the number of nitrogen heteroaromatic rings is less than 1 can also be synthesized.
- the obtained compound represented by the formula (6) is a mixture of positional isomers relating to the substitution positions of nitrogen-containing heteroaromatic rings in rings A to D and the substitution positions of nitrogen atoms in the nitrogen-containing heteroaromatic rings. This is also as described in the known literature. Since the porphyrazine dye of the present invention has an average number of nitrogen-containing heteroaromatic rings in rings A to D of less than 1, the compound represented by the following formula (6) has all of rings A to D. It is a mixture of a porphyrazine dye having a benzene ring and a porphyrazine dye in which one (main component) or two or more of rings A to D are 6-membered nitrogen-containing heteroaromatic rings.
- rings A to D have the same meaning as described above. ].
- the porphyrazine compound represented by the above formula (3) is obtained by converting the compound represented by the above formula (6) to chlorosulfonyl according to a known method disclosed in WO2007 / 091631 and WO2007 / 116933 or a method analogous thereto. Can be obtained.
- the chlorosulfonyl group in the formula (3) is introduced onto the benzene ring in the rings A to D, and when the rings A to D correspond to a nitrogen-containing heteroaromatic group, it is not introduced onto the nitrogen-containing heteroaromatic ring. Since one chlorosulfonyl group is usually introduced on the benzene ring, the number of n in the formula (3) is within the number of benzene rings in the rings A to D.
- the number “n” of chlorosulfonyl groups in the formula (3) is greater than 3.00 and less than 4.00 depending on the number of benzene rings of the porphyrazine compound represented by the formula (3).
- the number of n in the formula (3) is preferably 3.05 or more and 3.90 or less, more preferably 3.10 or more and 3.80 or less, and still more preferably, depending on the number of benzene rings in the rings A to D. Is 3.15 or more and 3.75 or less, particularly preferably 3.15 or more and 3.50 or less.
- Examples of the synthesis method of the porphyrazine compound represented by the formula (3) other than the above include the following methods.
- Sulfophthalic acid having a sulfo group and a nitrogen-containing heteroaromatic dicarboxylic acid derivative such as quinolinic acid are condensed and closed to synthesize a porphyrazine compound having a sulfo group, and then the sulfo group in the compound is thionyl chloride.
- the desired porphyrazine compound represented by the formula (3) can be obtained by converting it into a chlorosulfonyl group with an appropriate chlorinating agent such as In this case, the sulfo group introduced on the porphyrazine compound represented by the formula (3) by selecting the substitution position of the sulfo group of sulfophthalic acid, which is a synthetic raw material, from the 3-position and 4-position.
- the replacement position of can be controlled. That is, when 3-sulfophthalic acid is used, a sulfo group can be selectively introduced at the “ ⁇ ” position in the following formula (10), and when 4-sulfophthalic acid is used, it can be selectively introduced at the “ ⁇ ” position. .
- ⁇ -position of a porphyrazine ring or “ ⁇ -position of a porphyrazine ring” means a corresponding position in the following formula (10).
- the organic amine represented by the formula (4) can also be produced by a known method.
- 0.95 to 1.1 mol of anilines or naphthylamines corresponding to Y is added to the reaction solution of the primary condensate, and the pH is about 0.5 to about 4 at a reaction temperature of 5 to 80 ° C.
- a secondary condensate is obtained by reacting for 12 hours. Next, 1 mol of the obtained secondary condensate is reacted with 1 to 50 mol of alkylenediamine corresponding to E under conditions of approximately pH 9 to 12 and reaction temperature of 5 to 90 ° C. for 0.5 to 12 hours. Thereby, the organic amine represented by the formula (4) is obtained.
- alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, or alkali metal carbonates such as sodium carbonate and potassium carbonate are usually used.
- the order of condensation is appropriately determined according to the reactivity of various compounds condensed with cyanuric chloride, and is not limited to the above order.
- the reaction of the porphyrazine compound represented by the formula (3) and the organic amine represented by the formula (4) is carried out at a pH of about 8 to 10 to 5 to 70 ° C. in an aqueous solvent in the presence of ammonia.
- the reaction is carried out by reacting for 1 to 20 hours under the reaction conditions.
- the target dye of the present invention represented by the formula (1) is obtained.
- ammonia and a compound that generates ammonia by neutralization or decomposition both of them are referred to as “aminating agent” can be used.
- aminating agent used in the above reaction examples include compounds that generate ammonia by neutralization, such as ammonium salts such as ammonium chloride and ammonium sulfate; compounds that generate ammonia by thermal decomposition of urea and the like; ammonia gas, and the like. However, it is not limited to these.
- aqueous ammonia is preferable. When used in the reaction, use commercially available concentrated aqueous ammonia (usually commercially available as approximately 28% aqueous ammonia), or a diluted solution diluted with water as necessary. It ’s fine.
- the amount of the organic amine represented by the formula (4) is usually expressed as a theoretical value [represented by the desired formula (1) with respect to 1 mol of the porphyrazine compound represented by the formula (3).
- the number of moles of the organic amine represented by the formula (4) necessary for obtaining the value of c in the dye is 1 mole or more, but depends on the reactivity of the organic amine used and the reaction conditions. It is not limited to these.
- the amount of the organic amine represented by the formula (4) is usually about 0.3 to 3 mol, preferably about 0.5 to 2 mol of the above theoretical value.
- the compound obtained by the reaction with the compound represented by the formula (3), the organic amine represented by the formula (4) and the aminating agent is not a single compound but a compound having different values of b and c. It is a mixture of However, if the average value of b and c of each compound is included in the above range, the object of the present invention can be achieved. Therefore, even if these mixtures are handled as compounds having the values of b and c expressed as average values, there is no problem.
- the dye of the present invention represented by the formula (1) is synthesized from the formula (3) and the compound represented by the formula (4) under reaction conditions that do not particularly require anhydrous conditions, It is preferable to synthesize using a solvent. For this reason, a compound in which the chlorosulfonyl group in the formula (3) is partially hydrolyzed by water mixed in the reaction system and converted to sulfonic acid is produced as a by-product. It is theoretically considered to be mixed into the dye represented by the formula (1).
- the chlorosulfonyl group in the formula (3) other than the one reacted with the organic amine represented by the formula (4) are all described as having been converted to an unsubstituted sulfamoyl group.
- a dimer for example, Pz-L-Pz
- trimer of a copper porphyrazine ring (Pz) via a divalent linking group (L) is obtained by a part of the dye represented by the formula (1).
- Impurities formed by forming by-products, and the by-products may be mixed into the reaction product.
- Examples of the divalent linking group represented by L include —SO 2 — or —SO 2 —NH—SO 2 —. In the case of a trimer, a by-product in which these two Ls are combined may be formed.
- the porphyrazine coloring matter of the present invention thus obtained can be separated by filtration or the like after aciding out or salting out.
- salting out is preferably performed in the range of acidic to alkaline, preferably pH 1 to 11.
- the temperature for salting out is not particularly limited, but is usually 40 to 80 ° C., preferably 50 to 70 ° C.
- sodium chloride or the like is added to adjust the pH to the above range, and salting out is preferable.
- the dye represented by the above formula (1) of the present invention synthesized by the above method can be obtained in the form of a free acid or a salt thereof.
- a free acid for example, acid precipitation may be performed.
- salting out may be performed to form a salt.
- a normal salt exchange method such as a method of adding a desired organic or inorganic base to a free acid may be used.
- the dye of the present invention represented by the formula (1) produced by the above method exhibits a clear cyan color. Therefore, an ink composition containing these can also be used mainly as cyan ink.
- the ink is not only used as a high density cyan ink, but also a low dye density cyan ink (such as a light cyan ink or the like) used to smoothly reproduce a gradation portion of an image or reduce graininess in a light color area. It may be used as a photocyan ink). Further, it may be used as a green ink by blending with a yellow pigment, or may be used as a violet or blue ink by blending with a magenta pigment. Furthermore, ink can be prepared by blending multiple colors and used as a dark yellow color, gray color or black color.
- the ink composition of the present invention is prepared using water as a medium.
- the porphyrazine coloring matter of the present invention is contained therein, Cl - and the content of SO 4 2-like anions less is preferable.
- the lower limit may be less than the detection limit of the detection device, that is, 0%.
- porphyrazine coloring matter of the SO 4 2-less invention conventional methods using a reverse osmosis membrane for example, or, of a dry product or a wet cake of the porphyrazine coloring matter of the present invention, in a hydroalcoholic What is necessary is just to desalinate by methods, such as the method of stirring.
- the alcohol used is a C1-C4 alcohol, preferably a C1-C3 alcohol, more preferably methanol, ethanol, n-propanol or 2-propanol.
- a method may also be employed in which a hydrous alcohol containing a pigment to be desalted is heated to near its boiling point and then cooled to desalinate.
- the porphyrazine coloring matter of the present invention which has been desalted in hydrous alcohol, can also be obtained as a coloring matter in a dry state by filtration separation and drying by a conventional method.
- Cl of the color Motochu - and SO 4 content of 2, for example is measured by ion chromatography.
- the porphyrazine of the present invention has a central metal and forms a copper complex by an ionic bond, a coordinate bond, or the like, this central metal is not included in impurities.
- the standard of the impurity content is preferably about 500 ppm or less for each heavy metal such as zinc and iron, each ion such as calcium, and silica in the dried purified product of the porphyrazine pigment, and the lower limit is an analytical instrument. Or below 0 ppm, that is, 0 ppm.
- the ion content of heavy metals and the like can be measured by ion chromatography, atomic absorption method or ICP (Inductively Coupled Plasma) emission analysis.
- the ink composition of the present invention contains 0.1 to 8% by mass, preferably 0.3 to 6% by mass of the porphyrazine coloring matter represented by the formula (1).
- This ink composition may further contain a water-soluble organic solvent as necessary within a range that does not impair the effects of the present invention.
- the water-soluble organic solvent may be used for the purposes of dye dissolution, drying prevention (wetting), viscosity adjustment, penetration promotion, surface tension adjustment, defoaming and the like.
- the ink composition of the present invention preferably contains a water-soluble organic solvent.
- ink preparation agents include, for example, antiseptic / antifungal agents, pH adjusters, chelating reagents, rust preventive agents, UV absorbers, viscosity adjusters, dye solubilizers, antifading agents, emulsion stabilizers, surface tension adjusters, You may add an antifoamer, a dispersing agent, a dispersion stabilizer, etc. as needed.
- the ink composition of the present invention contains 0 to 60% by mass of a water-soluble organic solvent, preferably 10 to 50% by mass, and 0 to 20% by mass of an ink preparation agent, preferably 0 to 15% by mass, respectively. It is good to contain with respect to the gross mass of.
- the balance other than the water-soluble organic solvent, the ink preparation agent, and the porphyrazine coloring matter of the present invention is water.
- water-soluble organic solvent examples include C1-C4 alcohols such as methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, sec-butanol or tert-butanol; N, N-dimethylformamide or N, Carboxylic acid amides such as N-dimethylacetamide; complex such as 2-pyrrolidone, N-methyl-2-pyrrolidone, 1,3-dimethylimidazolidin-2-one or 1,3-dimethylhexahydropyrimido-2-one Cyclic ketones; ketones such as acetone, methyl ethyl ketone or 2-methyl-2-hydroxypentan-4-one or keto alcohols; cyclic ethers such as tetrahydrofuran or dioxane; ethylene glycol, 1,2- or 1,3-propylene glycol; 1,2- or 1, Mono-, oligo- or polyalkylenes having
- water-soluble organic solvent Preferred as the water-soluble organic solvent are isopropanol, glycerin, mono-, di- or triethylene glycol, dipropylene glycol, 2-pyrrolidone and N-methyl-2-pyrrolidone, more preferably isopropanol, glycerin, diethylene glycol, 2-pyrrolidone or butyl carbitol. These water-soluble organic solvents are used alone or in combination.
- antiseptic / antifungal agents examples include organic sulfur, organic nitrogen sulfur, organic halogen, haloaryl sulfone, iodopropargyl, N-haloalkylthio, benzothiazole, nitrile, pyridine, 8- Oxyquinoline, isothiazoline, dithiol, pyridine oxide, nitropropane, organotin, phenol, quaternary ammonium salt, triazine, thiadiazine, anilide, adamantane, dithiocarbamate, brominated indanone And compounds such as benzyl bromacetate and inorganic salts.
- An example of the organic halogen compound is sodium pentachlorophenol.
- Examples of pyridine oxide compounds include sodium 2-pyridinethiol-1-oxide.
- Examples of the isothiazoline compound include 1,2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one, 5- Examples include chloro-2-methyl-4-isothiazolin-3-one magnesium chloride, 5-chloro-2-methyl-4-isothiazolin-3-one calcium chloride, and 2-methyl-4-isothiazolin-3-one calcium chloride. It is done.
- antiseptic / antifungal agents include sodium sorbate, sodium benzoate, and sodium acetate
- commercially available products include, for example, trade name Proxel RTM GXL (S ), Proxel RTM XL-2 (S) and the like.
- RTM represents a registered trademark.
- any substance can be used as long as it can control the pH of the ink in the range of 6.0 to 11.0 for the purpose of improving the storage stability of the ink.
- alkanolamines such as diethanolamine or triethanolamine
- alkali metal hydroxides such as lithium hydroxide, sodium hydroxide or potassium hydroxide
- ammonium hydroxide ammonia water
- lithium carbonate, sodium carbonate or potassium carbonate And the like and the like.
- Examples of the chelating reagent include sodium ethylenediaminetetraacetate, sodium nitrilotriacetate, sodium hydroxyethylethylenediaminetriacetate, sodium diethylenetriaminepentaacetate and sodium uracil diacetate.
- Examples of the rust inhibitor include acidic sulfite, sodium thiosulfate, ammonium thioglycolate, diisopropylammonium nitrite, pentaerythritol tetranitrate, and dicyclohexylammonium nitrite.
- ultraviolet absorbers examples include benzophenone compounds, benzotriazole compounds, cinnamic acid compounds, triazine compounds, and stilbene compounds. Further, a compound that absorbs ultraviolet rays and emits fluorescence, typified by a benzoxazole-based compound, a so-called fluorescent whitening agent can also be used.
- viscosity modifier examples include water-soluble polymer compounds in addition to water-soluble organic solvents, such as polyvinyl alcohol, cellulose derivatives, polyamines, and polyimines.
- dye solubilizer examples include urea, ⁇ -caprolactam, and ethylene carbonate.
- the anti-fading agent is used for the purpose of improving image storage stability.
- various organic and metal complex antifading agents can be used.
- organic anti-fading agents include hydroquinones, alkoxyphenols, dialkoxyphenols, phenols, anilines, amines, indanes, chromans, alkoxyanilines, and heterocycles.
- a nickel complex, a zinc complex, etc. are mentioned.
- Examples of the surface tension adjusting agent include surfactants, and examples thereof include anionic surfactants, amphoteric surfactants, cationic surfactants, and nonionic surfactants.
- Anionic surfactants include alkyl sulfocarboxylates, ⁇ -olefin sulfonates, polyoxyethylene alkyl ether acetates, N-acyl amino acids and their salts, N-acyl methyl taurates, alkyl sulfates polyoxyalkyl ether sulfates Salt, alkyl sulfate polyoxyethylene alkyl ether phosphate, rosin acid soap, castor oil sulfate ester, lauryl alcohol sulfate ester, alkylphenol type phosphate ester, alkyl type phosphate ester, alkylaryl sulfonate, diethylsulfate And diethyl hexyl sulphosuccinate, dioctyl s
- Examples of the cationic surfactant include 2-vinylpyridine derivatives and poly-4-vinylpyridine derivatives.
- Amphoteric surfactants include lauryldimethylaminoacetic acid betaine, 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, coconut oil fatty acid amidopropyldimethylaminoacetic acid betaine, polyoctylpolyaminoethylglycine, and other Examples include imidazoline derivatives.
- Nonionic surfactants include ethers such as polyoxyethylene nonyl phenyl ether, polyoxyethylene octyl phenyl ether, polyoxyethylene dodecyl phenyl ether, polyoxyethylene oleyl ether, polyoxyethylene lauryl ether and polyoxyethylene alkyl ether; Ester systems such as polyoxyethylene oleate, polyoxyethylene distearate, sorbitan laurate, sorbitan monostearate, sorbitan monooleate, sorbitan sesquioleate, polyoxyethylene monooleate and polyoxyethylene stearate; 2,4,7,9-tetramethyl-5-decyne-4,7-diol, 3,6-dimethyl-4-octyne-3,6-diol and 3,5 Dimethyl-1-hexyne-3-acetylene alcohol such as ol (e.g., Nissin Chemical Industry Co., Ltd. Surfynol RTM 104
- antifoaming agent highly oxidized oil-based, glycerin fatty acid ester-based, fluorine-based and silicone-based compounds are used as necessary.
- the surface tension of the ink of the present invention is usually 25 to 70 mN / m, more preferably 25 to 60 mN / m.
- the viscosity of the ink of the present invention is preferably 30 mPa ⁇ s or less. Furthermore, it is more preferable to adjust to 20 mPa ⁇ s or less.
- the water used for preparing the ink composition is preferably water with few impurities, such as ion exchange water or distilled water. Furthermore, if necessary, fine filtration may be performed using a membrane filter to remove impurities. When used as ink for an ink jet printer, it is preferable to perform fine filtration.
- the pore diameter of the filter for performing microfiltration is usually 1 ⁇ m to 0.1 ⁇ m, preferably 0.8 ⁇ m to 0.1 ⁇ m.
- the ink composition of the present invention can be used not only for forming a single color image but also for forming a full color image.
- a full-color image it is also used as an ink set of three primary colors with magenta ink and yellow ink, and further as an ink set of four colors with black ink added thereto.
- the ink set is used in combination with light magenta ink, blue ink, green ink, orange ink, dark yellow ink, and / or gray ink.
- known coloring matters can be mentioned.
- Examples of known dyes for the yellow ink include azo dyes having aryl and / or heteroaryl; methine dyes such as benzylidene dyes and monomethine oxonol dyes; quinones such as naphthoquinone dyes and anthraquinone dyes System pigments.
- Other examples include quinophthalone dyes; nitro / nitroso dyes; acridine dyes; acridinone dyes;
- Examples of known dyes for the magenta ink include azo dyes having aryl and / or heteroaryl; azomethine dyes; methine dyes such as arylidene dyes, styryl dyes, merocyanine dyes, cyanine dyes and oxonol dyes; Carbonium dyes such as diphenylmethane dye, triphenylmethane dye and xanthene dye; quinone dyes such as naphthoquinone, anthraquinone and anthrapyridone; condensed polycyclic dyes such as dioxazine dyes; .
- Examples of known dyes for the black ink include azo dyes such as disazo, trisazo, and tetraazo; sulfur dyes; carbon black dispersions; and the like.
- the ink composition of the present invention can be used for recording methods such as printing, copying, marking, writing, drawing and stamping, and is particularly suitable for use in inkjet recording methods.
- the ink jet recording method of the present invention uses the ink composition of the present invention as an ink, supplies energy to the ink in accordance with a recording signal, and discharges ink droplets of the ink.
- a polymer fine particle dispersion (also referred to as polymer latex) may be used for the purpose of imparting glossiness or water resistance or improving weather resistance.
- the timing of applying the polymer latex to the recording material may be before, after or at the same time as applying the colorant. Therefore, the recording material containing the polymer latex may be recorded with the ink composition of the present invention, or the polymer latex may be contained in the ink composition. Alternatively, before or after recording on the recording material with the ink composition, the polymer latex may be applied to the recording material as a single liquid.
- the colored body of the present invention means a substance colored with the porphyrazine coloring matter of the present invention or an aqueous ink composition containing the same.
- the substance to be colored is not particularly limited, and examples thereof include information transmission sheets such as paper and film, fibers and cloths (cellulose, nylon, wool, etc.), leather, and color filter base materials.
- an information transmission sheet is preferable.
- the information transmission sheet in the recording material or the substance to be colored is preferably a surface-treated sheet, specifically, a sheet, a synthetic paper, or a substrate such as a film provided with an ink receiving layer.
- the ink receiving layer is formed by, for example, impregnating or coating the above-mentioned base material with a cationic polymer; inorganic fine particles (white inorganic pigment particles) capable of absorbing pigments in inks such as porous silica, alumina sol and special ceramics are coated with polyvinyl alcohol. And coating with the hydrophilic polymer such as polyvinyl pyrrolidone on the surface of the substrate.
- An information transmission sheet provided with such an ink receiving layer is usually called ink jet paper (film), glossy paper (film), or the like.
- inkjet paper that is coated on the surface of the material.
- inkjet exclusive paper that can be obtained as a commercial product, all are trade names, professional photo paper manufactured by Canon Inc., glossy gold, glossy professional; photographic paper Chrispier (high gloss) manufactured by Seiko Epson Corporation, Photo paper (gloss), photo matte paper; advanced photo paper (gloss) manufactured by Hewlett-Packard Japan; premium plus glossy photo paper manufactured by Brother Industries, Ltd.
- plain paper can also be used. Specific examples include, but are not limited to, PB paper GF500 manufactured by Canon Inc .; double-sided fine plain paper manufactured by Seiko Epson Corporation; and the like.
- Any known method may be used as a coloring method for obtaining the colored product of the present invention.
- One of the preferable coloring methods is a method of coloring the above substances with the ink of the present invention using an ink jet printer.
- the material to be colored may be the above-mentioned substance or other materials.
- a container containing the ink composition may be set at a predetermined position of the ink jet printer and recorded by a normal method.
- the inkjet printer include a piezo printer using mechanical vibration; a bubble jet RTM printer using bubbles generated by heating.
- the ink composition of the present invention does not precipitate or separate during storage. Further, when the ink composition is used for ink jet recording, the ejector (ink head) is not blocked.
- the ink composition of the present invention causes changes in physical properties even in recording for a relatively long time and under constant recirculation by a continuous ink jet printer; or intermittent recording by an on-demand ink jet printer; Absent.
- the ink composition of the present invention has a clear cyan color, and by using this as an ink, a recorded matter excellent in various fastnesses such as light resistance and water resistance, in particular, ozone resistance can be obtained. Further, since the ink composition of the present invention has a hue closer to that of the cyan standard color, the ink composition has an excellent balance between hue and ozone resistance. Furthermore, since it has a high print density, the dye density in the ink can be lowered, and this has an industrial advantage associated with cost reduction. Further, when used together with other magenta ink and yellow ink, a color tone of a wide visible region can be expressed.
- dark and light cyan inks are used, and in addition to this, other yellow and / or magenta with excellent ozone resistance, light resistance, and water resistance, and green, red, orange and / or blue as required.
- ink it is possible to express a color tone in a wider visible region.
- the dye of the present invention is a mixture of unsubstituted sulfamoyl groups and substituted sulfamoyl groups independently substituted at the ⁇ -position and ⁇ -position of the porphyrazine ring in the ratios (b) and (c), respectively. And is considered to be an approximately equivalent mixture of ⁇ -substituted and ⁇ -substituted.
- the condensed position of the pyridine ring condensed to the porphyrazine ring is the 2-position. And the 3rd or 5th and 6th positions. Furthermore, the numbers of the benzene ring and the 6-membered nitrogen-containing heteroaromatic ring, and the values of b and c in the rings A to D are rounded off to the third decimal place and described as two decimal places.
- the values of b and c are based on the measurement of copper content by ICP emission spectrometry using the target compound as a sample, the measurement of water content by Karl Fischer method, and inorganic impurities (sodium, potassium, chlorine atoms, etc.) by ion chromatography. It can be determined by measuring the content of ions.
- the synthesized porphyrazine coloring matter of the present invention showed a very high solubility of 15% by mass or more with respect to the total mass of the aqueous solution.
- Example 1 (1) Synthesis of a compound represented by the following formula (6), wherein 0.25 of the rings A to D in the following formula (6) is a pyridine ring and the remaining 3.75 is a benzene ring.
- the total amount of the obtained wet cake was added to 450 parts of DMF, and the liquid temperature was raised to 110 ° C. and kept at the same temperature for 1 hour.
- the solid was filtered and separated, and the wet cake obtained by washing with 200 parts of water was added to 450 parts of 5% hydrochloric acid, and the liquid temperature was raised to 60 ° C. and kept at the same temperature for 1 hour.
- the solid was filtered and separated, and the entire amount of the wet cake obtained by washing with 200 parts of water was added to 450 parts of 5% aqueous ammonia, and kept at 60 ° C. for 1 hour.
- the solid was separated by filtration and washed with 200 parts of water to obtain 82.6 parts of a wet cake.
- Example 1 (1) Into 46.2 parts of chlorosulfonic acid, 5.8 parts of the compound obtained in Example 1 (1) was gradually added at 60 ° C. or lower with stirring, and reacted at 140 ° C. for 4 hours. Next, the reaction solution was cooled to 70 ° C., 7.14 parts of thionyl chloride was added dropwise over 30 minutes, and the reaction was performed at 70 ° C. for 3 hours. The reaction solution was cooled to 30 ° C. or lower and slowly poured into 800 parts of ice water. The precipitated solid was separated by filtration and washed with 200 parts of cold water to obtain 42.0 parts of a target compound wet cake.
- Cyanuric chloride (18.4 parts) and trade name Leocol TD-90 (0.2 parts) were added to 330 parts of ice water, followed by stirring at 10 ° C. or lower for 30 minutes. Next, 17.4 parts of 4-sulfoaniline (purity 99.3%) was added thereto, pH 2.6-3.0, 1 hour at 0-5 ° C., pH 3.0-3.5, 0-5 The reaction was performed at 25 ° C. for 1 hour at the same pH at 1 ° C. for 1 hour. During this reaction, the pH of the reaction solution was adjusted using a 10% aqueous sodium hydroxide solution.
- the obtained wet cake was put into a beaker, 500 parts of methanol and 100 parts of water were added thereto, and stirred at 50 ° C. for 1 hour. Thereafter, the solid was separated by filtration to obtain 84.1 parts of a wet cake. The obtained wet cake was dried to obtain 44.3 parts of a white powder of the target compound.
- the dye of the present invention represented by the following formula (16) [of the rings A to D in the formula (1), 0.25 is a pyridine ring and the remaining 3.75 is a benzene ring, E is ethylene, Synthesis of a Dye wherein X is 4-sulfoanilino, Y is 3-sulfoanilino, b is 2.91, and c is 0.84.
- Example 1 (2) In 50 parts of ice water, 42.0 parts of the wet cake of the compound obtained in Example 1 (2) was added and suspended at 5 ° C. or lower. After 10 minutes, while maintaining the liquid temperature at 10 ° C. or lower, an aqueous solution in which 2 parts of 28% ammonia water and 3.4 parts of the compound represented by formula (15) were dissolved in 30 parts of water was suspended. Added to the liquid. Furthermore, while adding 28% aqueous ammonia, the pH of the liquid was maintained at 9.0, the liquid temperature was raised to 20 ° C. over 1 hour, and the reaction was performed at the same temperature for 8 hours. The liquid volume at this time was 250 parts.
- the temperature of the reaction solution was raised to 50 ° C., 50 parts of sodium chloride (20% to the solution) was added and stirred for 30 minutes, and then adjusted to pH 3.0 with concentrated hydrochloric acid over 20 minutes. Thereafter, the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 51.0 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- Example 2 (1) The synthesis
- the total amount of the obtained wet cake was added to 450 parts of DMF, and the liquid temperature was raised to 110 ° C. and kept at the same temperature for 1 hour.
- the solid was filtered off and washed with 200 parts of water.
- the obtained wet cake was added to 450 parts of 5% hydrochloric acid, the liquid temperature was raised to 60 ° C., and the mixture was held at the same temperature for 1 hour.
- the solid was filtered and separated, and the entire amount of the wet cake obtained by washing with 200 parts of water was added to 450 parts of 5% aqueous ammonia.
- the liquid temperature was kept at 60 ° C. for 1 hour, and the solid was separated by filtration and washed with 200 parts of water to obtain 79.3 parts of a wet cake.
- Example 2 (1) 5.8 parts of the compound obtained in Example 2 (1) were gradually added to 46.2 parts of chlorosulfonic acid at 60 ° C. or lower, and then reacted at 140 ° C. for 4 hours. Next, the reaction liquid was cooled to 70 ° C., 7.14 parts of thionyl chloride was added dropwise over 30 minutes, and the reaction was performed at 70 ° C. for 3 hours. The reaction solution was cooled to 30 ° C. or lower and slowly poured into 800 parts of ice water. The precipitated solid was separated by filtration and washed with 200 parts of cold water to obtain 42.3 parts of a wet cake of the target compound.
- the dye of the present invention represented by the formula (16) [0.75 of the rings A to D in the formula (1) is a pyridine ring and the remaining 3.25 is a benzene ring, E is ethylene, Synthesis of a Dye wherein X is 4-sulfoanilino, Y is 3-sulfoanilino, b is 2.42, and c is 0.83].
- the temperature of the reaction solution was raised to 50 ° C., and 46 parts of sodium chloride (20% to the solution) was added thereto.
- the reaction solution was stirred for 30 minutes and then adjusted to pH 3.0 with concentrated hydrochloric acid over 20 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 51.9 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- the temperature of the solution was raised to 50 ° C., and 26 parts of sodium chloride (10% to the liquid) was added thereto.
- the solution was stirred for 30 minutes and then adjusted to pH 2.0 with concentrated hydrochloric acid over 20 minutes. Subsequently, the precipitated solid was separated by filtration and washed with 100 parts of a 10% aqueous sodium chloride solution to obtain 48.9 parts of a wet cake.
- the obtained wet cake was added to a mixed solution of 255 parts of methanol and 45 parts of water and stirred at 50 ° C. for 1 hour, and then the solid was separated by filtration to obtain 33.5 parts of a wet cake.
- the obtained wet cake was dried to obtain 10.1 parts of the target dye of the present invention as a blue powder. [lambda] max: 609.5 nm.
- Example 3 (1) Synthesis of a compound represented by the formula (6), wherein 0.85 of the rings A to D in the formula (6) is a pyridine ring and the remaining 3.15 is a benzene ring.
- the total amount of the obtained wet cake was added to 450 parts of DMF, and the liquid temperature was raised to 110 ° C. and kept at the same temperature for 1 hour.
- the precipitated solid was separated by filtration and washed with 200 parts of water.
- the obtained wet cake was added to 450 parts of 5% hydrochloric acid, the liquid temperature was raised to 60 ° C., and the mixture was held at the same temperature for 1 hour.
- the solid was separated by filtration and washed with 200 parts of water.
- the total amount of the obtained wet cake was added to 450 parts of 5% aqueous ammonia and held at 60 ° C. for 1 hour.
- the solid was separated by filtration and washed with 200 parts of water to obtain 82.6 parts of a wet cake.
- Example 2 (1) 5.8 parts of the compound obtained in Example 2 (1) were gradually added to 46.2 parts of chlorosulfonic acid at 60 ° C. or lower, and then reacted at 140 ° C. for 4 hours. Next, the reaction liquid was cooled to 70 ° C., 7.14 parts of thionyl chloride was added dropwise over 30 minutes, and the reaction was performed at 70 ° C. for 3 hours. The reaction solution was cooled to 30 ° C. or lower and slowly poured into 800 parts of ice water. The precipitated solid was separated by filtration and washed with 200 parts of cold water to obtain 40.0 parts of a wet cake of the target compound.
- the dye of the present invention represented by the formula (16) [0.85 of the rings A to D in the formula (1) are a pyridine ring and the remaining 3.15 is a benzene ring, E is ethylene, Synthesis of a Dye wherein X is 4-sulfoanilino, Y is 3-sulfoanilino, b is 2.31, and c is 0.84.
- Example 2 (2) In 50 parts of ice water, 40.0 parts of a wet cake of the compound obtained in Example 2 (2) was added and suspended at 5 ° C. or lower. After 10 minutes, while maintaining the liquid temperature at 10 ° C. or lower, an aqueous solution in which 2.85 parts of 28% ammonia water and 3.85 parts of the compound represented by formula (15) were dissolved in 30 parts of water was suspended. Added to the liquid. Further, while adding 28% aqueous ammonia, the pH of the liquid was maintained at 9.0, the liquid temperature was increased to 20 ° C. over 1 hour, and the liquid was maintained at the same temperature for 8 hours. The liquid volume at this time was 240 parts.
- the temperature of the reaction solution was raised to 50 ° C., 48 parts of sodium chloride (20% to the solution) was added thereto, and the reaction solution was stirred for 30 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 51.0 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- the temperature of the solution was raised to 50 ° C., 26 parts of sodium chloride (10% to the solution) was added thereto, and the reaction solution was stirred for 30 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 10% aqueous sodium chloride solution to obtain 48.2 parts of a wet cake.
- the obtained wet cake was added to a mixed solution of 255 parts of methanol and 45 parts of water and stirred at 50 ° C. for 1 hour, and then the solid was separated by filtration to obtain 33.5 parts of a wet cake.
- the obtained wet cake was dried to obtain 11.2 parts of the target dye of the present invention as a blue powder. [lambda] max: 608.5 nm.
- Example 4 (1) Synthesis of a compound represented by the above formula (6), wherein among the rings A to D in the above formula (6), 0.65 is a pyridine ring and the remaining 3.35 is a benzene ring.
- the total amount of the obtained wet cake was added to 450 parts of DMF, and the liquid temperature was raised to 110 ° C. and kept at the same temperature for 1 hour. The solid was filtered off and washed with 200 parts of water. Next, the obtained wet cake was added to 450 parts of 5% hydrochloric acid, the liquid temperature was raised to 60 ° C., and the mixture was held at the same temperature for 1 hour. The solid was separated by filtration and washed with 200 parts of water. The total amount of the obtained wet cake was added to 450 parts of 5% aqueous ammonia and held at 60 ° C. for 1 hour. The solid was separated by filtration and washed with 200 parts of water to obtain 82.6 parts of a wet cake. The obtained wet cake was dried at 80 ° C. to obtain 28.6 parts of the target compound as a blue solid.
- Example 2 (1) 5.8 parts of the compound obtained in Example 2 (1) was gradually added to 46.2 parts of chlorosulfonic acid at 60 ° C. or less, and the reaction was performed at 140 ° C. for 4 hours. Next, the reaction liquid was cooled to 70 ° C., 7.14 parts of thionyl chloride was added dropwise over 30 minutes, and the reaction was performed at 70 ° C. for 3 hours. The reaction solution was cooled to 30 ° C. or lower and slowly poured into 800 parts of ice water. The precipitated solid was separated by filtration and washed with 200 parts of cold water to obtain 43.2 parts of the target compound wet cake.
- the dye of the present invention represented by the formula (16) [0.65 of the rings A to D in the formula (1) is a pyridine ring, the remaining 3.35 is a benzene ring, E is ethylene, Synthesis of a Dye wherein X is 4-sulfoanilino, Y is 3-sulfoanilino, b is 2.49, and c is 0.86.
- Example 2 (2) In 50 parts of ice water, 40.0 parts of a wet cake of the compound obtained in Example 2 (2) was added and suspended at 5 ° C. or lower. After 10 minutes, while maintaining the liquid temperature at 10 ° C. or lower, an aqueous solution in which 2 parts of 28% ammonia water and 4.81 parts of the compound represented by the formula (15) were dissolved in 30 parts of water was added. . Further, while adding 28% aqueous ammonia, the pH of the liquid was maintained at 9.0, the liquid temperature was increased to 20 ° C. over 1 hour, and the liquid was maintained at the same temperature for 8 hours. The liquid volume at this time was 250 parts.
- the temperature of the reaction solution was raised to 50 ° C., 50 parts of sodium chloride (20% to the solution) was added thereto, and the reaction solution was stirred for 30 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 49.2 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- the temperature of the solution was raised to 50 ° C., 26 parts of sodium chloride (10% to the liquid) was added thereto, and the solution was stirred for 30 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 10% aqueous sodium chloride solution to obtain 46.9 parts of a wet cake.
- the obtained wet cake was added to a mixed solution of 255 parts of methanol and 45 parts of water and stirred at 50 ° C. for 1 hour, and then the precipitated solid was separated by filtration to obtain 33.5 parts of a wet cake.
- the obtained wet cake was dried to obtain 10.9 parts of the target dye of the present invention as a blue powder. [lambda] max: 612.0 nm.
- Comparative Example 1 (1) Synthesis of a compound represented by the formula (6), wherein 1.00 is a pyridine ring and the remaining 3.00 is a benzene ring among the rings A to D in the formula (6).
- the solid was filtered off and washed with 200 parts of water.
- the obtained wet cake was added to 450 parts of 5% hydrochloric acid, and the liquid temperature was raised to 60 ° C. and kept at that temperature for 1 hour.
- the solid was filtered off and washed with 200 parts of water.
- the total amount of the obtained wet cake was added to 450 parts of 5% aqueous ammonia and held at 60 ° C. for 1 hour.
- the solid was separated by filtration and washed with 200 parts of water to obtain 78.1 parts of a wet cake.
- the obtained wet cake was dried at 80 ° C. to obtain 24.1 parts of the target compound as a blue solid.
- the temperature of the reaction solution was raised to 50 ° C., 45 parts of sodium chloride (20% to the solution) was added thereto, the reaction solution was stirred for 30 minutes, and then adjusted to pH 3.0 with concentrated hydrochloric acid over 20 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 45.0 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- the temperature of the obtained solution was raised to 50 ° C., 26 parts of sodium chloride (10% to the liquid) was added thereto and stirred for 30 minutes, and then adjusted to pH 2.0 with concentrated hydrochloric acid over 20 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 44.2 parts of a wet cake.
- the obtained wet cake was added to a mixed solution of 255 parts of methanol and 45 parts of water and stirred at 50 ° C. for 1 hour, and then the solid was separated by filtration to obtain 31.9 parts of a wet cake.
- the obtained wet cake was dried to obtain 8.1 parts of a target comparative pigment as a blue powder. ⁇ max: 603.0 nm.
- the temperature of the reaction solution was raised to 50 ° C., 45 parts of sodium chloride (20% to the solution) was added and the reaction solution was stirred for 30 minutes, and then adjusted to pH 1.0 with concentrated hydrochloric acid over 20 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 43.1 parts of a wet cake.
- the obtained wet cake was added to 200 parts of water, adjusted to pH 9.0 using a 25% aqueous sodium hydroxide solution, and the wet cake was dissolved.
- the liquid volume at this time was 260 parts.
- the temperature of the obtained solution was raised to 50 ° C., 52 parts of sodium chloride (20% to the liquid) was added thereto and stirred for 30 minutes, and then adjusted to pH 1.0 with concentrated hydrochloric acid over 20 minutes.
- the precipitated solid was separated by filtration and washed with 100 parts of a 20% aqueous sodium chloride solution to obtain 45.2 parts of a wet cake.
- the obtained wet cake was added to a mixed solution of 255 parts of methanol and 45 parts of water and stirred at 50 ° C. for 1 hour.
- the solid was separated by filtration to obtain 36.5 parts of a wet cake.
- the obtained wet cake was dried to obtain 10.1 parts of a target comparative dye as a blue powder. ⁇ max: 609.0 nm.
- comparative inks were prepared in the same manner as in Examples 5 to 7 except that the comparative pigment obtained in Comparative Example 1 or 2 was used instead of the pigment obtained in the Examples.
- the inks were prepared as Comparative Examples 3 (using the comparative dye obtained in Comparative Example 1) and 4 (using the comparative dye obtained in Comparative Example 2), respectively.
- Inkjet recording was performed on glossy paper as advanced photo paper manufactured by Hewlett-Packard Co., Ltd. using an inkjet printer (manufactured by Canon Inc., trade name: PIXUS RTM ip4100). During ink jet recording, an image pattern is created so that six levels of gradation of 100%, 85%, 70%, 55%, 40%, and 25% density can be obtained, and a halftone recorded matter is obtained. Was used as a test piece. The reflection density was measured using a color measurement system (SpectroEye, manufactured by GretagMacbeth). Colorimetry was performed under the conditions of DIN, a viewing angle of 2 °, and a light source D65 as a density standard. Various test methods for recorded images and evaluation methods for test results are described below.
- Ozone gas resistance test (B) The test piece was left for 24 hours in an environment of ozone concentration 10 ppm, tank temperature 24 ° C., humidity 60% RH using an ozone weather meter (model OMS-H manufactured by Suga Test Instruments Co., Ltd.). After the test, the reflection density was measured at 70% gradation, and the dye residual ratio was calculated by (reflection density after test / reflection density before test) ⁇ 100 (%), and evaluated in three stages. The reflection density of each test piece before the test was in the range of 1.33 ⁇ 0.05. ⁇ : Residual rate 80% or more ⁇ : Residual rate less than 80%, 70% or more X: Residual rate less than 70%, 60% or more The higher the numerical value, the better. The results are shown in Table 3 below.
- Ozone gas resistance test The test piece was left for 24 hours in an environment of ozone concentration 10 ppm, tank temperature 24 ° C., humidity 60% RH using an ozone weather meter (model OMS-H manufactured by Suga Test Instruments Co., Ltd.). After the test, the reflection density was measured at a gradation portion of 40%, and the dye residual ratio was calculated by (reflection density after test / reflection density before test) ⁇ 100 (%) and evaluated in three stages. The reflection density of each test piece before the test was in the range of 0.26 ⁇ 0.01. ⁇ : Residual rate 80% or more ⁇ : Residual rate less than 80%, 70% or more X: Residual rate less than 70% The higher the numerical value, the better the dye residual rate. The results are shown in Table 3 below.
- Bronze property evaluation is based on which gradation level bronze occurs with respect to the five print density gradation levels of 100%, 85%, 70%, 55% and 40%. Visual evaluation was performed. In the case where no bronze is generated in any gradation part, OK is indicated for the case where bronze is generated, and for the case where bronze is generated, the lowest print density gradation among the print densities where bronze is generated is described. The obtained printed matter preferably has no bronze.
- Hue evaluation was performed by measuring 100% density gradation using the above colorimetry system and evaluating how close the hue is to the standard color. For the standard color cyan, the color was measured by the above colorimetry system using the JapanColor solid patch color sample (3rdVERSION) published by the ISO / TC130 National Committee. The standard color measurement results are shown below. L *: 56.38, a *: ⁇ 29.99, b *: ⁇ 44.44 When performing the evaluation, L *, a *, and b * of each test piece were measured for color difference ( ⁇ E) from the standard color. The color difference ( ⁇ E) was calculated by the following calculation formula.
- ⁇ E ( ⁇ a 2 + ⁇ b 2 + ⁇ L 2 ) 1/2 From the calculated color difference, the hue was evaluated in three stages. ⁇ : Color difference is 5 or more and less than 10 ⁇ : Color difference is 10 or more and less than 15 ⁇ : Color difference is 15 or more The results are shown in Table 4. A smaller value is preferable because the hue of the test piece is close to the standard color.
- Comparative Example 3 has good ozone gas resistance, but the hue is most deviated from the standard color, and it has been found that the hue of cyan is not sufficient.
- the comparative example 4 was suitable as a cyan hue, it was confirmed that ozone gas resistance was insufficient. On the other hand, it was revealed that each example was superior to each comparative example in terms of ozone gas resistance and hue balance.
- porphyrazine coloring matter of the present invention and the ink composition containing the same can provide a balanced recorded matter having a hue close to a standard color with high ozone gas resistance. It is extremely useful for recording, particularly for inkjet recording.
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Abstract
Description
[例えば、Cu-Pc-(SO3Na)m(SO2NH2)n;m+n=1~4の混合物](Pcはフタロシアニン残基を表す。以下同じ。)。
[例えば、Cu-Pc-(CO2H)m(CONR1R2)n;m+n=0~4の数]。
[例えば、Cu-Pc-(SO3H)m(SO2NR1R2)n;m+n=0~4の数、且つ、m≠0]
[例えば、Cu-Pc-(SO3H)l(SO2NH2)m(SO2NR1R2)n;l+m+n=0~4の数]。
[例えば、Cu-Pc-(SO2NR1R2)n;n=1~5の数]。
[置換基の置換位置を制御したフタロシアニン化合物、β-位に置換基が導入されたフタロシアニン系色素]。
[例えば、Cu-Pc-(SO3H)a(SO2NR1R2)b(SO2NH-X-NH-(4-Y-6-Z-1,3,5-トリアジン-2-イル))c;a+b+c=2~4の数]。
(1)
下記式(1)で表されるポルフィラジン色素又はその塩、
[式中、
環A乃至Dは、それぞれ独立にポルフィラジン環に縮環したベンゼン環又は6員環の含窒素複素芳香環を表し、含窒素複素芳香環の個数は平均値で0.00より大きく1.00未満であり、残りはベンゼン環であり、
Eはアルキレンを表し、
X及びYは、それぞれ独立して、置換基としてスルホ基、カルボキシ基若しくはリン酸基を有するアニリノ基、又は、同ナフチルアミノ基であり、
更に、該アニリノ基又はナフチルアミノ基は、スルホ基、カルボキシ基、リン酸基、スルファモイル基、カルバモイル基、ヒドロキシ基、アルコキシ基、アミノ基、モノ又はジアルキルアミノ基、モノ又はジアリールアミノ基、アセチルアミノ基、ウレイド基、アルキル基、ニトロ基、シアノ基、ハロゲン原子、アルキルスルホニル基、アルキルチオ基、アリールオキシ基及びヘテロ環基より成る群から選択される1種又は2種以上の基で置換されてもよく、
bは平均値で0.00以上3.90未満であり、
cは平均値で0.10以上4.00未満であり、
且つbおよびcの和は、平均値で3.00より大きく4.00未満である。但し、X及びYが、それぞれ独立に、置換基としてカルボキシ基を1~3個有するアニリノ基で、bは平均値で0以上3.4までであり、
cは平均値で0.1以上3.5までであり、
且つbおよびcの和は、1.0から3.5までの場合、
含窒素複素芳香環の個数は平均値で0.0より大きく0.5未満である。]、
環A乃至Dで表される6員環の含窒素複素芳香環が、ピリジン環又はピラジン環である上記(1)に記載のポルフィラジン色素又はその塩、
(3)
下記式(3)で表されるポルフィラジン化合物と、下記式(4)で表される有機アミンとを、アンモニア存在下で反応させて得られる上記(1)又は(2)に記載のポルフィラジン色素又はその塩、
[式中、環A乃至Dは上記(1)に記載のものと同じ意味を表し、またnは3.00より大きく4.00未満である。]、
[式中、E、X、及びYは上記(1)に記載のものと同じ意味を表す。]、
環A乃至Dにおける6員環の含窒素複素芳香環がピリジン環であり、該ピリジン環の縮環位置が、ピリジン環の窒素原子を1位として2位及び3位、3位及び4位、4位及び5位、又は5位及び6位であるか、又は、
環A乃至Dにおける6員環の含窒素複素芳香環がピラジン環であり、該ピラジン環の縮環位置が、ピラジン環の窒素原子を1位及び4位として2位及び3位であり、
EがC2-C4アルキレンであり、
X及びYは、それぞれ独立して、置換基としてスルホ基、カルボキシ基若しくはリン酸基を有するアニリノ基、又は、同ナフチルアミノ基であり、
該アニリノ基又はナフチルアミノ基は、ヒドロキシ基、アルコキシ基、ウレイド基、アセチルアミノ基、ニトロ基及び塩素原子より成る群から選択される1種又は2種以上の置換基を、さらに0~3個有しても良い、
上記(1)乃至(3)のいずれか一項に記載のポルフィラジン色素又はその塩、
(5)
環A乃至Dにおける6員環の含窒素複素芳香環の個数が、平均値で0.2~0.9であり、残りがベンゼン環であり、
bが平均値で0.0~3.7であり、
cは平均値で0.1~3.8であり、
且つbおよびcの和は、平均値で3.1~3.8である上記(1)乃至(4)のいずれか一項に記載のポルフィラジン色素又はその塩、
環A乃至Dにおける6員環の含窒素複素芳香環の個数が平均値で0.25~0.85であり、残りがベンゼン環であり、
EがC2-C4アルキレンを表し、
X及びYが、それぞれ独立してスルホ基又はカルボキシ基で置換されたアニリノ基であり、
bが平均値で0.00~3.05であり、
cが平均値で0.10~3.75であり、
且つbおよびcの和は、平均値で3.15~3.75である、上記(1)乃至(5)のいずれか一項に記載のポルフィラジン色素又はその塩、
(7)
X及びYが、それぞれ独立してスルホ基で置換されたアニリノ基である上記(1)乃至(6)のいずれか一項に記載のポルフィラジン色素又はその塩。
(8)
環A乃至Dにおける6員環の含窒素複素芳香環がピリジン環であり、且つ該ピリジン環の縮環位置が、ピリジン環の窒素原子を1位として2位及び3位であり、且つ該ピリジン環の個数が平均値で0.50~0.85であり、残りがベンゼン環であり、
Eがエチレン又はプロピレンであり、
X及びYが、それぞれ独立して置換基としてスルホ基を有するアニリノ基であり、
bが平均値で0.00~3.40であり、
cが平均値で0.10~3.50であり、
且つbおよびcの和は、平均値で3.15~3.50である、上記(1)乃至(6)のいずれか一項に記載のポルフィラジン色素又はその塩、
上記(1)乃至(8)のいずれか一項に記載のポルフィラジン色素又はその塩を、色素として含有し、さらに水を含有するインク組成物、
(10)
さらに有機溶剤を含有する上記(9)に記載のインク組成物、
(11)
インクジェット記録用である上記(9)又は(10)に記載のインク組成物、
(12)
上記(1)乃至(8)のいずれか一項に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物のインク滴を記録信号に応じて吐出させて被記録材に付着させることにより記録を行うインクジェット記録方法、
(13)
被記録材が情報伝達用シートである上記(12)に記載のインクジェット記録方法、
(14)
情報伝達用シートが表面処理されたシートであって、支持体上に白色無機顔料粒子を含有するインク受容層を有するシートである上記(13)に記載のインクジェット記録方法、
上記(1)乃至(8)のいずれか一項に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物を含有する容器、
(16)
上記(15)に記載の容器が装填されたインクジェットプリンタ、
(17)
上記(1)乃至(8)のいずれか一項に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物で着色された着色体、
(18)
X及びYが、それぞれ独立して3-スルホアニリノ基又は4-スルホアニリノ基である上記(1)乃至(8)のいずれか1項に記載のポルフィラジン色素又はその塩、
に関する。
従って、本発明のポルフィラジン色素又はその塩を含有するシアンインクは、インクジェット記録用インクとして極めて有用である。
本発明の前記式(1)で表されるポルフィラジン色素又はその塩は、テトラベンゾポルフィラジン(通常、フタロシアニンと呼ばれているもの)の4つのベンゾ(ベンゼン)環の内、0個より大きく1個未満を含窒素複素芳香環に置き換えた化合物に、無置換スルファモイル基、及び特定の置換スルファモイル基を導入したポルフィラジン色素又はその塩であり、実質的に混合物である。なお、本明細書においては便宜上、以下「本発明のポルフィラジン色素又はその塩」を、特に断りの無い限り、「本発明のポルフィラジン色素」と簡略化して記載する。
含窒素複素芳香環の個数は、本願においては、通常平均値で、0.00より大きく1.00未満、好ましくは0.1以上0.95以下、より好ましくは0.2以上0.9以下、更に好ましくは0.2以上0.85以下、特に好ましくは0.25以上0.85以下、最も好ましくは0.5以上0.85以下の範囲である。残りの環A乃至Dはベンゼン環であり、環A乃至Dにおけるベンゼン環は、通常平均値で、3.00より大きく4.00未満、好ましくは3.05以上3.9以下、より好ましくは3.1以上3.8以下、場合により3.15以上3.8以下、更に好ましくは3.15以上3.75以下、特に好ましくは3.15以上3.5以下である。但し、X及びYが、それぞれ独立に、置換基としてカルボキシ基を1~3個有するアニリノ基で、bは平均値で0以上3.4までであり、cは平均値で0.1以上3.5までであり、且つbおよびcの和は、1.0から3.5までの場合、含窒素複素芳香環の個数は平均値で0.0を超えて0.5未満である。
含窒素複素芳香環がポルフィラジン環へ縮環する位置は、該複素芳香環における2つの連続した炭素原子を有する位置であれば特に制限されない。含窒素複素芳香環が、ピリジン環であれば2位及び3位若しくは5位及び6位、又は、3位及び4位若しくは4位及び5位、好ましくは前者;ピラジン環であれば2位及び3位;ピリミジン環であれば4位及び5位;ピリダジン環であれば3位及び4位、又は4位及び5位;が良い。
なお、本明細書においては、特に断りの無い限り、該含窒素複素芳香環の個数及びb又はcで表される置換基の個数は、必要に応じて、小数点以下2桁目又は3桁目を四捨五入して1桁目又は2桁目までを記載する。
Eにおけるアルキレンの具体例としてはエチレン、プロピレン、ブチレン、ペンチレン、へキシレン、ヘプチレン、オクチレン、ノニレン、デシレン、ウンデシレン、ドデシレン等の直鎖のもの;2-メチルエチレン等の分岐鎖のもの;シクロプロピレンジイル、1,2-又は1,3-シクロペンチレンジイル、1,2-、1,3-又は1,4-シクロへキシレンジイル等に代表される環状のもの;等が挙げられる。Eにおけるアルキレンの好ましい具体例は、エチレン、プロピレン又はブチレンであり、より好ましくはエチレン又はプロピレン、更に好ましくはエチレンである。
該アニリノ基又は該ナフチルアミノ基として好ましくは、スルホ基又はカルボキシ基で置換されたアニリノ基又は同ナフチルアミノ基である。より好ましくはスルホ基で置換されたアニリノ基又は同ナフチルアミノ基であり;更に好ましくはスルホ基で置換されたアニリノ基である。
スルホ基、カルボキシ基又はリン酸基の置換位置は特に制限されないが、アニリノ基の場合には2位、3位又は4位、好ましくは3位又は4位、より好ましくは4位;ナフチルアミノ基の場合には、アミノ基の置換位置を1位又は2位として、3位、5位、6位、7位及び8位の何れかに置換するのが好ましい。
また該ナフチルアミノ基としては、アミノ基の置換位置は1位又は2位が好ましい。
該アニリノ基の置換基が一つの場合の具体例としては、2-スルホアニリノ、3-スルホアニリノ、4-スルホアニリノといったスルホ基で置換されたもの;2-カルボキシアニリノ、3-カルボキシアニリノ、4-カルボキシアニリノといったカルボキシで置換されたもの;2-ホスホアニリノ、3-ホスホアニリノ、4-ホスホアニリノといったリン酸基で置換されたもの;が挙げられる。
該ナフチルアミノ基の置換基が一つの場合の具体例としては、6-スルホ-1-ナフチルアミノ、6-スルホ-2-ナフチルアミノ等のスルホ基で置換されたもの;6-カルボキシ-1-ナフチルアミノ、6-カルボキシ-2-ナフチルアミノ等のカルボキシ基で置換されたもの;6-ホスホ-1-ナフチルアミノ、6-ホスホ-2-ナフチルアミノ等のリン酸基で置換されたもの;等が挙げられる。
この22種の置換基からなる群から選択される基での置換数は、X及びYが前記アニリノ基である場合は、通常0乃至3、好ましくは0乃至2、より好ましくは0又は1、更に好ましくは0であり;X及びYが前記ナフチルアミノ基である場合は、通常0乃至3、好ましくは0乃至2である。
具体例としては、メトキシ、エトキシ、n-プロポキシ、n-ブトキシ、n-ペントキシ、n-ヘキシロキシ等の直鎖アルコキシ;イソプロポキシ、イソブトキシ、t-ブトキシ、イソペントキシ、イソヘキシロキシ等の分岐鎖アルコキシ;シクロプロポキシ、シクロペントキシ、シクロヘキシロキシ等の環状アルコキシ;等が挙げられる。
bは0.00以上3.90未満であり、cは0.10以上4.00未満であり、b及びcの和は、平均値で3.00より大きく4.00未満である。より好ましくはbが0以上3.7以下、cが0.1以上3.8以下であって、且つ、b及びcの和は3.1以上3.8以下である。より好ましくは、bが2.05以上3.25以下であり、cが0.5以上1.1以下であって、且つ、b及びcの和が3.1以上3.8以下である。更に好ましくは、bが2.15以上で、3以下、cが0.6以上で、1以下であり、且つ、b及びcの和が3.1以上で、3.8以下、好ましくは3.15以上で、3.5以下である。
このとき、環A乃至Dにおける含窒素複素芳香環は、平均値で0.00より大きく1.00未満、ベンゼン環は3.00より大きく4.00未満であり、本発明のポルフィラジン色素においては、b及びcの和は、ベンゼン環の数と一致する。
好ましくは、環A乃至Dにおける含窒素複素芳香環が0.2~0.9、ベンゼン環が3.1~3.8のとき、bが0.0~3.7、cが0.1~3.8であって、且つ、b及びcの和は3.1~3.8、好ましくは、bが2.05~3.25であり、cが0.5~1.1であって、且つ、b及びcの和が3.1~3.8である。
更に好ましくは、環A乃至Dにおける含窒素複素芳香環が0.25以上0.85以下、ベンゼン環が3.15以上3.75以下のとき、bが0.00以上3.05以下、cが0.10以上3.75以下、且つ、b及びcの和が3.15以上3.75以下、好ましくは、bが2.05以上3.25以下であり、cが0.50以上1.10以下であって、且つ、b及びcの和が3.15以上3.75以下である。
特に好ましくは、環A乃至Dにおける含窒素複素芳香環が0.50以上0.85以下、ベンゼン環が3.15以上3.50以下のとき、bが0.00以上3.40以下、cが0.10以上3.50以下、且つ、b及びcの和が3.15以上3.50以下、好ましくは、bが2.15以上2.90以下であり、cが0.60以上1.00以下であって、且つ、b及びcの和が3.15以上3.50以下である。
なお、本明細書においては、b、c並びにb及びcの和は、必要に応じて、小数点以下2桁目又は3桁目を四捨五入して、1桁目又は2桁目までを記載する。
(i)
前記式(1)において、環A乃至Dがそれぞれ独立にポルフィラジン環に縮環したベンゼン環又は6員環の含窒素複素芳香環を表し、環A乃至Dにおける含窒素複素芳香環の個数は平均値で0.00より大きく1.00未満であって、残りはベンゼン環であり、
EがC2-C12アルキレンであり、
X及びYは、それぞれ独立して、置換基として、スルホ基、カルボキシ基及びリン酸基からなる群から選択される一つの基を有するアニリノ基又は同ナフチルアミノ基であって、
該アニリノ基又は該ナフチルアミノ基は、更に、スルホ基、カルボキシ基、リン酸基、スルファモイル基、カルバモイル基、ヒドロキシ基、アルコキシ基、アミノ基、モノ又はジアルキルアミノ基、モノ又はジアリールアミノ基、アセチルアミノ基、ウレイド基、アルキル基、ニトロ基、シアノ基、ハロゲン原子、アルキルスルホニル基、アルキルチオ基、アリールオキシ基及び5乃至6員環であるヘテロ環基よりなる群から選択される1種又は2種以上の基で置換されてもよく、
bは平均値で0.00以上3.90未満であり、
cは平均値で0.10以上4.00未満であり、
且つ、bおよびcの和は、平均値で3.00より大きく4.00未満である、ポルフィラジン色素又はその塩、
但し、X及びYが、それぞれ独立に、置換基としてカルボキシ基を1~3個有するアニリノ基で、bは平均値で0以上3.4までであり、
cは平均値で0.1以上3.5までであり、
且つbおよびcの和は、1.0から3.5までの場合、
含窒素複素芳香環の個数は平均値で0.0より大きく0.5未満である。
X及びYが、それぞれ独立して、置換基としてスルホ基を一つ有するアニリノ基又は同ナフチルアミノ基である、上記(i)に記載のポルフィラジン色素又はその塩。
(iii)
X及びYが、それぞれ独立してスルホ基一つで置換され、その他の置換基を有しないアニリノ基である、上記(ii)に記載のポルフィラジン色素又はその塩。
(iv)
EがC2-C6アルキレン、好ましくはC2-C4アルキレン、より好ましくはエチレン又はプロピレン、さらに好ましくはエチレンである上記(i)~(iii)の何れか一項に記載のポルフィラジン色素又はその塩。
(v)
環A乃至Dで表される6員環の含窒素複素芳香環が、ピリジン環又はピラジン環である、上記(i)~(iv)の何れか一項に記載のポルフィラジン色素又はその塩。
(vi)
環A乃至Dで表される6員環の含窒素複素芳香環が、ピリジン環である、上記(v)に記載のポルフィラジン色素又はその塩。
環A乃至Dにおける含窒素複素芳香環が0.2以上0.9以下、ベンゼン環が3.1以上3.8以下であって、bが0.0以上3.7以下、cが0.1以上3.8以下、且つ、b及びcの和は3.1以上3.8以下であり、好ましくは、bが2.05以上3.25以下であり、cが0.5以上1.1以下であって、且つ、b及びcの和が3.1以上3.8以下である、上記(i)~(vi)の何れか一項に記載のポルフィラジン色素又はその塩。
(viii)
環A乃至Dにおける含窒素複素芳香環が0.25以上0.85以下、ベンゼン環が3.15以上3.75以下であって、bが0.00以上3.05以下、cが0.10以上3.75以下、且つ、b及びcの和は3.15以上3.75以下であり、好ましくは、bが2.05以上3.25以下であり、cが0.50以上1.10以下、且つ、b及びcの和は3.15以上3.75以下である、上記(i)~(vi)の何れか一項に記載のポルフィラジン色素又はその塩。
(ix)
環A乃至Dにおける含窒素複素芳香環が0.50以上0.85以下、ベンゼン環が3.15以上3.50以下であって、bが0.00以上3.40以下、cが0.10以上3.50以下、且つ、b及びcの和は3.15以上3.75以下、好ましくは、bが2.15以上2.90以下であり、cが0.60以上1.00以下、且つ、b及びcの和は3.15以上3.50以下である、上記(i)~(vi)の何れか一項に記載のポルフィラジン色素又はその塩。
(x)
X及びYが、それぞれ独立して3-スルホアニリノ基又は4-スルホアニリノ基である上記(i)~(ix)の何れか1項に記載のポルフィラジン色素又はその塩。
(xi)
X及びYが、一方が3-スルホアニリノ基、他方が4-スルホアニリノ基である上記(x)に記載のポルフィラジン色素又はその塩。
無機金属としてはアルカリ金属やアルカリ土類金属が挙げられる。アルカリ金属の例としては、リチウム、ナトリウム及びカリウム等が挙げられる。アルカリ土類金属としては、例えばカルシウム及びマグネシウム等が挙げられる。
有機塩基としては、特に有機アミンが挙げられ、例えばメチルアミン及びエチルアミン等の炭素数1から3の低級アルキルアミン類、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン、モノイソプロパノールアミン、ジイソプロパノールアミン及びトリイソプロパノールアミン等のモノ、ジ又はトリ(C1-C4アルカノール)アミン類が挙げられる。
これらの中でもより好ましい塩としてはナトリウム、カリウム及びリチウム等のアルカリ金属の塩;モノエタノールアミン、ジエタノールアミン、トリエタノールアミン、モノイソプロパノールアミン、ジイソプロパノールアミン及びトリイソプロパノールアミン等のモノ、ジ又はトリ(炭素数1から4の低級アルカノール)アミンの4級アンモニウム塩;並びに、アンモニウム塩が挙げられる。
下記の例は、本発明の色素を具体的に説明するために代表的な色素を示すものであり、下記の例に限定されるものではない。
表中、「2,3-ピリド」は2位及び3位でポルフィラジン環に縮環したピリジン環、「ベンゾ」は上記の通りポルフィラジン環に縮環したベンゼン環を表し、該記載の横の数値は、環A乃至Dにおける、各環の個数(平均値)を表す。
公知のシアン色素と配合して使用する場合、配合する色素としてはフタロシアニン系色素が好ましい。
本発明の前記式(1)で表される色素は、前記式(3)で表されるポルフィラジン化合物と、前記式(4)で表される有機アミンとを、アンモニア存在下で反応させることにより得ることができる。
前記式(3)で表されるポルフィラジン化合物は、いずれも公知の方法又はそれに準じた方法により下記式(6)で表される化合物を合成した後、これをクロロスルホニル化することにより、得ることができる。
本発明のポルフィラジン色素は、環A乃至Dにおける含窒素複素芳香環の個数が平均値で1未満であることから、下記式(6)で表される化合物は、環A乃至Dの全てがベンゼン環のポルフィラジン色素と、環A乃至Dの1つ(主成分)または2つ以上が6員環の含窒素複素芳香環であるポルフィラジン色素との混合物である。
上記以外の式(3)で表されるポルフィラジン化合物の合成方法としては、下記の方法が挙げられる。予めスルホ基を有するスルホフタル酸とキノリン酸等の含窒素複素芳香環ジカルボン酸誘導体とを縮合閉環させる事により、スルホ基を有するポルフィラジン化合物を合成し、その後、該化合物中のスルホ基を塩化チオニル等の適当な塩素化剤でクロロスルホニル基へと変換することにより、目的とする式(3)で表されるポルフィラジン化合物を得る事もできる。この場合、合成原料であるスルホフタル酸のスルホ基の置換位置が3位のものと4位のものとを選択することにより、式(3)で表されるポルフィラジン化合物上に導入されるスルホ基の置換位置を制御することができる。即ち、3-スルホフタル酸を用いれば下記式(10)における「α」位に、又、4-スルホフタル酸を用いれば同様に「β」位に、それぞれ選択的にスルホ基を導入することができる。なお本明細書においては特に断りの無い限り、「ポルフィラジン環のα位」又は「ポルフィラジン環のβ位」との用語は、下記式(10)において相当する位置を意味する。
例えば、Xに対応するアニリン類又はナフチルアミン類0.95~1.1モルと、2,4,6-トリクロロ-S-トリアジン(塩化シアヌル)1モルとを水中で、おおよそpH2.5~7、反応温度0~40℃の条件下で2~12時間反応させて、1次縮合物を得る。
次いで、1次縮合物の反応液に、Yに対応するアニリン類又はナフチルアミン類0.95~1.1モルを加え、おおよそpH4~10、反応温度5~80℃の条件下で0.5~12時間反応させることにより2次縮合物を得る。次いで、得られた2次縮合物1モルと、Eに対応するアルキレンジアミン類1~50モルとを、おおよそpH9~12、反応温度5~90℃の条件下で0.5~12時間反応させることにより、前記式(4)で表される有機アミンが得られる。各縮合の際のpH調整には通常、水酸化ナトリウムや水酸化カリウム等のアルカリ金属の水酸化物、或いは、炭酸ナトリウムや炭酸カリウム等のアルカリ金属の炭酸塩等が用いられる。なお、縮合の順序はシアヌルクロライドと縮合する各種化合物の反応性に応じ適宜決めるのが良く、上記の順序に限定されない。
上記反応には、アンモニア及び、中和や分解によりアンモニアを発生する化合物(これら両者を併せて「アミノ化剤」と言う)を用いることができる。上記反応に用いるアミノ化剤としては、例えば、塩化アンモニウム、硫酸アンモニウム等のアンモニウム塩の様に中和によりアンモニアを発生する化合物;尿素等の熱分解によりアンモニアを発生する化合物;アンモニアガス等が挙げられるが、これらに限定されるものではない。上記反応に用いられるアミノ化剤としては、アンモニア水が好ましい。該反応に使用するときは、市販品として入手できる濃アンモニア水(通常は、およそ28%のアンモニア水として市販されている)、又はこれを必要に応じて水により希釈した希釈液を、使用すれば良い。
前記式(3)で表される化合物、前記式(4)で表される有機アミン及びアミノ化剤との反応によって得られる生成物は、単一化合物ではなく、b及びcの値の異なる化合物の混合物である。しかし、各化合物のb及びcの値の平均値が前記の範囲に含まれれば、本発明の目的を達成することができる。従って、これらの混合物を、平均値で表されたb及びcの値を有する化合物として取り扱っても、支障は無い。
しかしながら質量分析において無置換スルファモイル基とスルホ基とを識別することは困難であるため、本発明においては式(4)で表される有機アミンと反応したもの以外の式(3)におけるクロロスルホニル基については全て無置換スルファモイル基へと変換されたものとして記載する。
このインク組成物をインクジェット用インクとして使用する場合、それに含有される本発明のポルフィラジン色素は、Cl-及びSO4 2-等の陰イオンの含有量は少ないものが好ましい。その陰イオンの含有量の目安は、該色素の総質量中において、Cl-及びSO4 2-の総含有量として5質量%以下、好ましくは3質量%以下、更に好ましくは1質量%以下であり、インク組成物中においてはインク組成物の総質量に対して1質量%以下である。下限は検出機器の検出限界以下、即ち0%で良い。
Cl-及びSO4 2-の少ない本発明のポルフィラジン色素を製造するには、例えば逆浸透膜による通常の方法、又は、本発明のポルフィラジン色素の乾燥品あるいはウェットケーキを、含水アルコール中で撹拌する方法等の方法で、脱塩処理すればよい。
後者の場合、用いるアルコールは、C1-C4アルコール、好ましくはC1-C3アルコール、更に好ましくはメタノール、エタノール、n-プロパノール又は2-プロパノールである。脱塩を行いたい色素を含有する含水アルコールを、その沸点近くまで加熱後、冷却して脱塩する方法も採用しうる。
含水アルコール中で脱塩処理された本発明のポルフィラジン色素は、常法により、濾過分離及び乾燥することにより、乾燥状態の色素として得ることもできる。
該色素中のCl-及びSO4 2-の含有量は、例えばイオンクロマトグラフィーで測定される。
ただし本発明のポルフィラジンはイオン結合や配位結合等により、中心金属を有し、銅錯体を形成しているため、この中心金属は不純物に含めない。
上記の不純物含有量の目安は例えば、該ポルフィラジン色素の乾燥精製品中に、亜鉛、鉄等の重金属、カルシウム等の各イオン、及びシリカ等について、各々500ppm以下程度が好ましく、下限は分析機器の検出限界以下、即ち0ppmで良い。
重金属等のイオン含有量は、イオンクロマトグラフィー、原子吸光法又はICP(Inductively Coupled Plasma)発光分析法にて測定することができる。
このインク組成物はさらに必要に応じて、水溶性有機溶剤を、本発明の効果を害しない範囲内において含有してもよい。水溶性有機溶剤は、染料溶解、乾燥防止(湿潤)、粘度調整、浸透促進、表面張力調整、消泡等の機能を目的として使用される場合もある。本発明のインク組成物中に水溶性有機溶剤を含有する方が好ましい。
その他、インク調製剤として、例えば、防腐防黴剤、pH調整剤、キレート試薬、防錆剤、紫外線吸収剤、粘度調整剤、染料溶解剤、褪色防止剤、乳化安定剤、表面張力調整剤、消泡剤、分散剤、分散安定剤等を必要に応じて加えても良い。
本発明のインク組成物は、水溶性有機溶剤を0~60質量%、好ましくは10~50質量%、インク調製剤を0~20質量%、好ましくは0~15質量%を、それぞれインク組成物の総質量に対して含有しているのが良い。水溶性有機溶剤、インク調製剤及び本発明のポルフィラジン色素以外の残部は水である。
これらの水溶性有機溶剤は、単独もしくは混合して用いられる。
有機ハロゲン系化合物としては、例えばペンタクロロフェノールナトリウムが挙げられる。ピリジンオキシド系化合物としては、例えば2-ピリジンチオール-1-オキサイドナトリウムが挙げられる。イソチアゾリン系化合物としては、例えば1,2-ベンズイソチアゾリン-3-オン、2-n-オクチル-4-イソチアゾリン-3-オン、5-クロロ-2-メチル-4-イソチアゾリン-3-オン、5-クロロ-2-メチル-4-イソチアゾリン-3-オンマグネシウムクロライド、5-クロロ-2-メチル-4-イソチアゾリン-3-オンカルシウムクロライド及び2-メチル-4-イソチアゾリン-3-オンカルシウムクロライド等が挙げられる。
その他の防腐防黴剤の具体例としてソルビン酸ナトリウム、安息香酸ナトリウム、及び酢酸ナトリウム等が挙げられ、また市販品としては、例えば、アーチ・ケミカルズ・ジャパン株式会社製、商品名プロクセルRTMGXL(S)、プロクセルRTMXL-2(S)等が挙げられる。
なお、本明細書において、上付きのRTMは登録商標を表す。
アニオン界面活性剤としてはアルキルスルホカルボン酸塩、α-オレフィンスルホン酸塩、ポリオキシエチレンアルキルエーテル酢酸塩、N-アシルアミノ酸及びその塩、N-アシルメチルタウリン塩、アルキル硫酸塩ポリオキシアルキルエーテル硫酸塩、アルキル硫酸塩ポリオキシエチレンアルキルエーテル燐酸塩、ロジン酸石鹸、ヒマシ油硫酸エステル塩、ラウリルアルコール硫酸エステル塩、アルキルフェノール型燐酸エステル、アルキル型燐酸エステル、アルキルアリールスルホン酸塩、ジエチルスルホ琥珀酸塩、並びに、ジエチルヘキルシルスルホ琥珀酸塩、ジオクチルスルホ琥珀酸塩等が挙げられる。
カチオン界面活性剤としては2-ビニルピリジン誘導体及びポリ4-ビニルピリジン誘導体等が挙げられる。
両性界面活性剤としてはラウリルジメチルアミノ酢酸ベタイン、2-アルキル-N-カルボキシメチル-N-ヒドロキシエチルイミダゾリニウムベタイン、ヤシ油脂肪酸アミドプロピルジメチルアミノ酢酸ベタイン、ポリオクチルポリアミノエチルグリシン、及び、その他のイミダゾリン誘導体等が挙げられる。
ノニオン界面活性剤としては、ポリオキシエチレンノニルフェニルエーテル、ポリオキシエチレンオクチルフェニルエーテル、ポリオキシエチレンドデシルフェニルエーテル、ポリオキシエチレンオレイルエーテル、ポリオキシエチレンラウリルエーテル及びポリオキシエチレンアルキルエーテル等のエーテル系;ポリオキシエチレンオレイン酸エステル、ポリオキシエチレンジステアリン酸エステル、ソルビタンラウレート、ソルビタンモノステアレート、ソルビタンモノオレエート、ソルビタンセスキオレエート、ポリオキシエチレンモノオレエート及びポリオキシエチレンステアレート等のエステル系;2,4,7,9-テトラメチル-5-デシン-4,7-ジオール、3,6-ジメチル-4-オクチン-3,6-ジオール及び3,5-ジメチル-1-ヘキシン-3-オール等のアセチレンアルコール系(例えば、日信化学工業株式会社製サーフィノールRTM104、82、465、オルフィンSTG等)等が挙げられる。
ポリマーラテックスを被記録材に付与する時期については、着色剤を付与する前であっても、後であっても、また同時であってもよい。
したがってポリマーラテックスを含有する被記録材に本発明のインク組成物で記録してもよいし、該インク組成物中にポリマーラテックスを含有してもよい。又は該インク組成物によって被記録材へ記録を行う前又は後に、ポリマーラテックスを単独の液状物として被記録材に適用しても良い。
上記被記録材又は上記着色される物質における情報伝達用シートとしては、表面処理されたもの、具体的には紙、合成紙又はフィルム等の基材にインク受容層を設けたものが好ましい。インク受容層は、例えば上記基材にカチオン系ポリマーを含浸あるいは塗工すること;多孔質シリカ、アルミナゾルや特殊セラミックス等のインク中の色素を吸収し得る無機微粒子(白色無機顔料粒子)をポリビニルアルコールやポリビニルピロリドン等の親水性ポリマーと共に上記基材表面に塗工すること;等により設けられる。
このようなインク受容層を設けた情報伝達用シートは通常インクジェット専用紙(フィルム)、光沢紙(フィルム)等と呼ばれる。この中でも、オゾンガス等の空気中の酸化作用を持つガスに対して影響を受けやすいとされているのが、多孔質シリカ、アルミナゾルや特殊セラミックス等のインク中の色素を吸収し得る無機微粒子を基材表面に塗工しているタイプのインクジェット専用紙である。
市販品として入手できる上記インクジェット専用紙の代表的な例としては、いずれも商品名で、キヤノン株式会社製 プロフェッショナルフォトペーパー、光沢ゴールド、光沢プロフェッショナル;セイコーエプソン株式会社製 写真用紙クリスピア(高光沢)、写真用紙(光沢)、フォトマット紙;日本ヒューレット・パッカード株式会社製 アドバンスフォト用紙(光沢);ブラザー工業株式会社製 プレミアムプラスグロッシィフォトペーパー;等が挙げられる。なお、普通紙も当然利用できる。具体的には、いずれも商品名で、キヤノン株式会社製 PBペーパーGF500;セイコーエプソン株式会社製 両面上質普通紙;等が挙げられるが、これらに限られるものではない。
インクジェットプリンタとしては、例えば機械的振動を利用したピエゾ方式のプリンタ;加熱により生ずる泡を利用したバブルジェットRTM方式のプリンタ等が挙げられる。
また、他のマゼンタインク及びイエローインクと共に用いることで、広い可視領域の色調を表現することができる。
また、濃淡それぞれのシアンインクを使用し、これに加えて耐オゾン性及び耐光性、耐水性に優れた他のイエロー及び/又はマゼンタ、その他必要に応じて、グリーン、レッド、オレンジ及び/又はブルー等のインクと併用することにより、さらに広い可視領域の色調を表現することもできる。
また、実施例中の化合物における最大吸収波長(λmax)の測定は、いずれも水溶液を用いて行った。
実施例で得られた色素において、環A乃至Dにおける6員環の含窒素複素芳香環がピリジン環である場合には、ポルフィラジン環に縮環する該ピリジン環の縮環位置は、2位及び3位又は5位及び6位である。さらに、環A乃至Dにおける、ベンゼン環及び6員環の含窒素複素芳香環の数、b及びcの値は、小数点以下3桁目を四捨五入し、小数点以下2桁として記載した。このb及びcの値は、目的化合物を試料としたICP発光分析法による銅含有量の測定、カールフィッシャー法による含水量の測定、及びイオンクロマト法による無機不純物(ナトリウム、カリウム、塩素原子等のイオン)の含有量の測定により求めることができる。
なお、合成した本発明のポルフィラジン色素は、いずれも水溶液の総質量に対して15質量%以上と極めて高い溶解度を示した。
(1)下記式(6)における環A乃至Dのうち0.25がピリジン環で残り3.75がベンゼン環である、下記式(6)で表される化合物の合成。
元素分析 C127H63N33Cu4
C H N Cu
理論値: 66.17 2.76 20.05 11.03
実測値: 65.79 2.95 19.81 10.94
得られた反応液に3-スルホアニリン(純度99.3%)17.4部を加え、10%水酸化ナトリウム水溶液を用いてpH5.0~6.0としながら、40℃で3時間反応を行った。
反応液に氷250部を加え、0℃へ冷却し、エチレンジアミン60部を、5℃以下を保持しながら滴下した。その後、反応液を室温で一晩攪拌した後、濃塩酸を用いてpH1.0に調節した。濃塩酸を加える間、反応液に氷を加えながら、液温を10~15℃に保持した。このときの反応液の液量は1000部であった。この反応液に塩化ナトリウム200部を加え、30分撹拌し固体を析出させた。
析出した固体を濾過分離しウェットケーキ85.6部を得た。得られたウェットケーキをビーカーに入れ、水280部をそこに加え、10%水酸化ナトリウム水溶液を用いてpH9.0として溶解させた。このとき液量は450部であった。この反応液に濃塩酸を加えてpH1.0に調整した後、塩化ナトリウム90部を加え、30分撹拌して、固体を析出させた。析出固体を濾過分離しウェットケーキ115.1部を得た。得られたウェットケーキをビーカーに入れ、メタノール500部、水100部をそこに加え、50℃で1時間攪拌した。その後、固体を濾過分離しウェットケーキ84.1部を得た。得られたウェットケーキを乾燥させ、目的化合物の白色粉末44.3部を得た。
λmax:611.0nm。
(1)前記式(6)における環A乃至Dのうち0.75がピリジン環で残り3.25がベンゼン環である、前記式(6)で表される化合物の合成。
元素分析 C125H61N35Cu4
C H N Cu
理論値: 65.07 2.67 21.25 11.02
実測値: 64.39 2.75 20.91 10.89
λmax:609.5nm。
(1)前記式(6)における環A乃至Dのうち0.85がピリジン環で残り3.15がベンゼン環である、前記式(6)で表される化合物の合成。
元素分析 C623H303N177Cu20
C H N Cu
理論値: 64.85 2.65 21.49 11.01
実測値: 64.39 2.95 20.67 10.49
λmax:608.5nm。
(1)前記式(6)における環A乃至Dのうち0.65がピリジン環で残り3.35がベンゼン環である、前記式(6)で表される化合物の合成。
λmax:612.0nm。
(1)前記式(6)における環A乃至Dのうち1.00がピリジン環で残り3.00がベンゼン環である、前記式(6)で表される化合物の合成。
λmax:603.0nm。
(1)銅テトラベンゾポルフィラジンテトラスルホニルクロリド[前記式(3)における環A乃至Dの全てがベンゼン環であり、nが4である化合物]の合成。
λmax:609.0nm。
下記表2に記載の各成分を混合溶解し、0.45μmのメンブランフィルター(アドバンテック東洋株式会社製)で濾過する事により評価試験用のインクを調製した。インクの調製における「水」は、イオン交換水を使用した。又、インクのpHが8~10、総量が100部になるように水及び水酸化ナトリウム(pH調整剤)を加えた。実施例1で得た色素を用いたインクの調製を実施例5、同様に、実施例2乃至3で得た色素を用いたインクの調製をそれぞれ実施例6乃至7とする。また実施例で得た色素の代わりに、比較例1又は2で得た比較用色素を用いる以外は実施例5乃至7と同様にして比較用インクを調製した。このインクの調製をそれぞれ比較例3(比較例1で得た比較用色素を使用)及び4(比較例2で得た比較用色素を使用)とする。
上記各実施例で得た色素 5.0部
グリセリン 5.0部
尿素 5.0部
N-メチル-2-ピロリドン 4.0部
イソプロピルアルコール 3.0部
ブチルカルビトール 2.0部
タウリン 0.3部
エチレンジアミン4酢酸2ナトリウム 0.1部
界面活性剤[日信化学工業株式会社製、商品名 サーフィノール104PG50]
0.1部
水+水酸化ナトリウム水溶液 75.5部
計 100.0部
インクジェットプリンタ(キヤノン株式会社製、商品名:PIXUSRTMip4100)を用いて、光沢紙としてヒューレット・パッカード社製アドヴァンスフォトペーパー)にインクジェット記録を行った。
インクジェット記録の際は、100%、85%、70%、55%、40%、25%濃度の6段階の階調が得られるように画像パターンを作り、ハーフトーンの記録物を得て、これを試験片とした。
また、反射濃度は測色システム(SpectroEye、GretagMacbeth社製)を用いて測色した。測色は、濃度基準にDIN、視野角2°、光源D65の条件で行なった。
記録画像の各種試験方法及び試験結果の評価方法を以下に記載する。
1.耐オゾンガス性試験(A)
試験片を、オゾンウェザーメーター(スガ試験機株式会社製 型式OMS-H)を用い、オゾン濃度10ppm、槽内温度24℃、湿度60%RHの環境下で24時間放置した。試験後に100%の階調部で反射濃度の測定を行ない、色素残存率を(試験後の反射濃度/試験前の反射濃度)×100(%)で計算して求め、3段階で評価した。試験前の各試験片の反射濃度は2.17±0.05の範囲内であった。
○:残存率80%以上
△:残存率80%未満、70%以上
×:残存率70%未満、60%以上
色素残存率はその数値が高いほど良い。結果を下記表3に示す。
試験片を、オゾンウェザーメーター(スガ試験機株式会社製 型式OMS-H)を用い、オゾン濃度10ppm、槽内温度24℃、湿度60%RHの環境下で24時間放置した。試験後に70%の階調部で反射濃度の測定を行ない、色素残存率を(試験後の反射濃度/試験前の反射濃度)×100(%)で計算して求め、3段階で評価した。試験前の各試験片の反射濃度は1.33±0.05の範囲内であった。
○:残存率80%以上
△:残存率80%未満、70%以上
×:残存率70%未満、60%以上
色素残存率はその数値が高いほど良い。結果を下記表3に示す。
試験片を、オゾンウェザーメーター(スガ試験機株式会社製 型式OMS-H)を用い、オゾン濃度10ppm、槽内温度24℃、湿度60%RHの環境下で24時間放置した。試験後に40%の階調部で反射濃度の測定を行ない、色素残存率を(試験後の反射濃度/試験前の反射濃度)×100(%)で計算して求め、3段階で評価した。試験前の各試験片の反射濃度は0.26±0.01の範囲内であった。
○:残存率80%以上
△:残存率80%未満、70%以上
×:残存率70%未満
色素残存率はその数値が高いほど良い。結果を下記表3に示す。
ブロンズ性の評価は、100%濃度、85%濃度、70%濃度、55%濃度、40%濃度の5段階の印刷濃度階調に対して、どの階調でブロンズが発生するかを目視にて評価した。いずれの階調部でもブロンズが発生していないものはOK、ブロンズが発生したものに関しては、ブロンズが発生した印刷濃度のうちの最低印刷濃度階調について記載した。得られた印刷物はブロンズが発生していないものが好ましい。
色相評価は、100%濃度階調部を上記測色システムを用いて測色し、どのくらい標準色に近い色相であるか、評価した。なお、ここでいう標準色のシアンにはISO/TC130国内委員会が発表しているJapanColorベタパッチ色見本(3rdVERSION)を用い、上記測色システムにより色相を測定した。標準色の測定結果を以下に示す。
L*:56.38、a*:-29.99、b*:-44.44
評価を行なう際は、各試験片のL*、a*、b*を測色し、標準色からの色差(ΔE)を求めた。なお、色差(ΔE)は、以下の計算式により算出した。
ΔE=(Δa2+Δb2+ΔL2)1/2
算出した色差から、色相を3段階で評価した。
○:色差が5以上10未満
△:色差が10以上15未満
×:色差が15以上
結果を表4に示す。この値がより小さければ、試験片の色相が標準色に近く、好ましい。
(A) (B) (C)
実施例5 △ △ △
実施例6 △ △ ○
実施例7 △ △ ○
比較例3 ○ △ ○
比較例4 × × △
ブロンズ 色相(a)
実施例5 OK ○
実施例6 OK △
実施例7 OK △
比較例3 OK ×
比較例4 OK ○
これに対して、各実施例はいずれも、耐オゾンガス性と色相のバランスにおいて、各比較例より優れていることが明らかとなった。
Claims (18)
- 下記式(1)で表されるポルフィラジン色素又はその塩、
[式中、
環A乃至Dは、それぞれ独立にポルフィラジン環に縮環したベンゼン環又は6員環の含窒素複素芳香環を表し、含窒素複素芳香環の個数は平均値で0.00より大きく1.00未満であり、残りはベンゼン環であり、
Eはアルキレンを表し、
X及びYは、それぞれ独立して、置換基としてスルホ基、カルボキシ基若しくはリン酸基を有するアニリノ基、又は、同ナフチルアミノ基であり、
更に、該アニリノ基又はナフチルアミノ基は、スルホ基、カルボキシ基、リン酸基、スルファモイル基、カルバモイル基、ヒドロキシ基、アルコキシ基、アミノ基、モノ又はジアルキルアミノ基、モノ又はジアリールアミノ基、アセチルアミノ基、ウレイド基、アルキル基、ニトロ基、シアノ基、ハロゲン原子、アルキルスルホニル基、アルキルチオ基、アリールオキシ基及びヘテロ環基より成る群から選択される1種又は2種以上の基で置換されてもよく、
bは平均値で0.00以上3.90未満であり、
cは平均値で0.10以上4.00未満であり、
且つbおよびcの和は、平均値で3.00より大きく4.00未満である。但し、X及びYが、それぞれ独立に、置換基としてカルボキシ基を1~3個有するアニリノ基で、bは平均値で0以上3.4までであり、
cは平均値で0.1以上3.5までであり、
且つbおよびcの和は、1.0から3.5までの場合、
含窒素複素芳香環の個数は平均値で0.0より大きく0.5未満である。]。 - 環A乃至Dで表される6員環の含窒素複素芳香環が、ピリジン環又はピラジン環である請求項1に記載のポルフィラジン色素又はその塩。
- 環A乃至Dにおける6員環の含窒素複素芳香環がピリジン環であり、該ピリジン環の縮環位置が、ピリジン環の窒素原子を1位として2位及び3位、3位及び4位、4位及び5位、又は5位及び6位であるか、又は、
環A乃至Dにおける6員環の含窒素複素芳香環がピラジン環であり、該ピラジン環の縮環位置が、ピラジン環の窒素原子を1位及び4位として2位及び3位であり、
EがC2-C4アルキレンであり、
X及びYは、それぞれ独立して、置換基としてスルホ基、カルボキシ基若しくはリン酸基を有するアニリノ基、又は、同ナフチルアミノ基であり、
該アニリノ基又はナフチルアミノ基は、ヒドロキシ基、アルコキシ基、ウレイド基、アセチルアミノ基、ニトロ基及び塩素原子より成る群から選択される1種又は2種以上の置換基を、さらに0~3個有しても良い、
請求項1に記載のポルフィラジン色素又はその塩。 - 環A乃至Dにおける6員環の含窒素複素芳香環の個数が、平均値で0.2~0.9であり、残りがベンゼン環であり、
bが平均値で0.0~3.7であり、
cは平均値で0.1~3.8であり、
且つbおよびcの和は、平均値で3.1~3.8である請求項1に記載のポルフィラジン色素又はその塩。 - 環A乃至Dにおける6員環の含窒素複素芳香環の個数が平均値で0.25~0.85であり、残りがベンゼン環であり、
EがC2-C4アルキレンを表し、
X及びYが、それぞれ独立して、スルホ基又はカルボキシ基で置換されたアニリノ基であり、
bが平均値で0.00~3.05であり、
cが平均値で0.10~3.75であり、
且つbおよびcの和は、平均値で3.15~3.75である、請求項1に記載のポルフィラジン色素又はその塩。 - X及びYが、それぞれ独立してスルホ基で置換されたアニリノ基である請求項1に記載のポルフィラジン色素又はその塩。
- 環A乃至Dにおける6員環の含窒素複素芳香環がピリジン環であり、該ピリジン環の縮環位置が、ピリジン環の窒素原子を1位として2位及び3位であり、且つ該ピリジン環の個数が平均値で0.50~0.85であり、残りがベンゼン環であり、
Eがエチレン又はプロピレンであり、
X及びYが、それぞれ独立して置換基としてスルホ基を有するアニリノ基であり、
bが平均値で0.00~3.40であり、
cが平均値で0.10~3.50であり、
且つbおよびcの和は、平均値で3.15~3.50である、請求項1又は7に記載のポルフィラジン色素又はその塩。 - 請求項1、5及び8のいずれか一項に記載のポルフィラジン色素又はその塩を、色素として含有し、さらに水を含有するインク組成物。
- さらに有機溶剤を含有する請求項9に記載のインク組成物。
- インクジェット記録用である請求項9に記載のインク組成物。
- 請求項1に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物のインク滴を記録信号に応じて吐出させて被記録材に付着させることにより記録を行うインクジェット記録方法。
- 被記録材が情報伝達用シートである請求項12に記載のインクジェット記録方法。
- 情報伝達用シートが表面処理されたシートであって、支持体上に白色無機顔料粒子を含有するインク受容層を有するシートである請求項13に記載のインクジェット記録方法。
- 請求項1に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物を含有する容器。
- 請求項15に記載の容器が装填されたインクジェットプリンタ。
- 請求項1に記載のポルフィラジン色素又はその塩、及び水を含有するインク組成物で着色された着色体。
- X及びYが、それぞれ独立して3-スルホアニリノ基又は4-スルホアニリノ基である請求項1、6又は8のいずれか1項に記載のポルフィラジン色素又はその塩。
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- 2009-12-22 JP JP2010543845A patent/JP5458022B2/ja active Active
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- 2009-12-22 CA CA2747687A patent/CA2747687C/en not_active Expired - Fee Related
- 2009-12-22 WO PCT/JP2009/007094 patent/WO2010073603A1/ja active Application Filing
- 2009-12-22 CN CN200980152810.6A patent/CN102264843B/zh active Active
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Also Published As
Publication number | Publication date |
---|---|
EP2371906A1 (en) | 2011-10-05 |
US8535431B2 (en) | 2013-09-17 |
EP2371906A4 (en) | 2012-06-27 |
KR20110112805A (ko) | 2011-10-13 |
TW201031712A (en) | 2010-09-01 |
CA2747687C (en) | 2016-02-09 |
TWI468470B (zh) | 2015-01-11 |
CN102264843B (zh) | 2014-05-14 |
CA2747687A1 (en) | 2010-07-01 |
JP5458022B2 (ja) | 2014-04-02 |
JPWO2010073603A1 (ja) | 2012-06-07 |
EP2371906B1 (en) | 2013-06-12 |
CN102264843A (zh) | 2011-11-30 |
KR101697567B1 (ko) | 2017-01-18 |
US20110242198A1 (en) | 2011-10-06 |
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