WO2023210428A1 - 着色組成物、膜、光学フィルタ、固体撮像素子及び画像表示装置 - Google Patents
着色組成物、膜、光学フィルタ、固体撮像素子及び画像表示装置 Download PDFInfo
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- WO2023210428A1 WO2023210428A1 PCT/JP2023/015348 JP2023015348W WO2023210428A1 WO 2023210428 A1 WO2023210428 A1 WO 2023210428A1 JP 2023015348 W JP2023015348 W JP 2023015348W WO 2023210428 A1 WO2023210428 A1 WO 2023210428A1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/14—Monoazo compounds
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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
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/006—Preparation of organic pigments
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/0007—Filters, e.g. additive colour filters; Components for display devices
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/105—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/182—Colour image sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/805—Coatings
- H10F39/8053—Colour filters
Definitions
- the present invention relates to a colored composition containing a metal azo colorant.
- the present invention also relates to a film, an optical filter, a solid-state image sensor, and an image display device using the colored composition.
- a color filter is used as key devices for displays and optical elements.
- a color filter usually includes pixels of three primary colors, red, green, and blue, and serves to separate transmitted light into the three primary colors.
- the colored pixels of each color of the color filter are manufactured using a colored composition containing a coloring agent.
- Color Index (C.I.) Pigment Yellow 150 and the like are used as the colorant.
- Patent Document 1 discloses a pigment composition for a color filter comprising a pigment, a resin type dispersant (A) having an aromatic carboxy group, and a vinyl resin type dispersant (B) having a piperidyl skeleton.
- the pigment is C. I. Pigment Yellow 150, C. I. Pigment Yellow 138 or C.I. I.
- a pigment composition for color filters is described which is Pigment Blue 15:6.
- C. I. Pigment Yellow 150 is a metal azo colorant containing a nickel azobarbituric acid complex in which Ni is coordinated with azobarbituric acid (a compound having the following structure).
- the present inventor used C.I. as a colorant. I. As a result of studying films using Pigment Yellow 150, it was found that defects tend to occur in the films.
- the present invention provides the following.
- a coloring composition containing a colorant, a resin, and a solvent is a metal in which at least one azo compound selected from the group consisting of compounds represented by formulas (I) to (III) and compounds with tautomeric structures thereof is coordinated to the metal atom.
- a coloring composition comprising an azo colorant;
- R 21 to R 23 each independently represent a hydrogen atom or a substituent,
- ⁇ 2> The colored composition according to ⁇ 1>, wherein the metal atom is at least one selected from the group consisting of Cu, Zn, Co, Mg, Ca, and Mn.
- R 111 to R 113 each independently represent a hydrogen atom or an alkyl group.
- the metal azo colorant is a pigment,
- the coloring agent is any one of ⁇ 1> to ⁇ 6>, further including at least one selected from the group consisting of a phthalocyanine compound, a diketopyrrolopyrrole compound, an isoindoline compound, and a quinacridone compound. Colored composition as described.
- ⁇ 8> The colored composition according to any one of ⁇ 1> to ⁇ 7>, further comprising a polymerizable compound and a photopolymerization initiator.
- ⁇ 9> The colored composition according to any one of ⁇ 1> to ⁇ 8>, which is used for color filters.
- ⁇ 10> A film obtained from the colored composition according to any one of ⁇ 1> to ⁇ 9>.
- ⁇ 11> An optical filter having the film according to ⁇ 10>.
- ⁇ 12> A solid-state imaging device having the film according to ⁇ 10>.
- ⁇ 13> An image display device comprising the film according to ⁇ 10>.
- the present invention can provide a colored composition that can form a film with suppressed defects. Further, the present invention can provide a film, an optical filter, a solid-state image sensor, and an image display device using the colored composition.
- ⁇ is used to include the numerical values described before and after it as a lower limit and an upper limit.
- the description that does not indicate substituted or unsubstituted includes a group having a substituent (atomic group) as well as a group having no substituent (atomic group).
- the term "alkyl group” includes not only an alkyl group without a substituent (unsubstituted alkyl group) but also an alkyl group having a substituent (substituted alkyl group).
- exposure includes not only exposure using light but also drawing using particle beams such as electron beams and ion beams, unless otherwise specified.
- the light used for exposure include actinic rays or radiation such as the bright line spectrum of a mercury lamp, far ultraviolet rays typified by excimer laser, extreme ultraviolet rays (EUV light), X-rays, and electron beams.
- EUV light extreme ultraviolet rays
- (meth)acrylate” represents acrylate and/or methacrylate
- (meth)acrylic represents both acrylic and/or methacrylic
- (meth)acrylate” represents acrylic and/or methacrylate.
- Acryloyl refers to either or both of acryloyl and methacryloyl.
- Me in the structural formula represents a methyl group
- Et represents an ethyl group
- Bu represents a butyl group
- Hex represents a hexyl group
- Ph represents a phenyl group.
- the weight average molecular weight and number average molecular weight are polystyrene equivalent values measured by GPC (gel permeation chromatography).
- the total solid content refers to the total mass of all components of the composition excluding the solvent.
- pigment means a compound that is difficult to dissolve in a solvent.
- the term "process” is used not only to refer to an independent process, but also to include a process in which the intended effect of the process is achieved even if the process cannot be clearly distinguished from other processes. .
- the colored composition of the present invention is a colored composition containing a resin and a solvent,
- the coloring agent is a metal in which at least one azo compound selected from the group consisting of compounds represented by formulas (I) to (III) and compounds with tautomeric structures thereof is coordinated to a metal atom. It is characterized by containing an azo colorant.
- the colored composition of the present invention can form a film with suppressed defects.
- the metal azo colorant described above has at least one azo compound selected from the group consisting of compounds represented by formulas (I) to (III) and compounds with tautomeric structures thereof coordinated to a metal atom.
- the coordination of such azo compounds to the metal atoms the cohesive force of the colorant is moderately suppressed, and as a result, a film with suppressed defects is formed. It is assumed that it was possible.
- this metal azo colorant is stable against light, and the film obtained using the coloring composition of the present invention also has excellent light resistance.
- the colored composition of the present invention is preferably used as a colored composition for color filters or infrared transmission filters. More specifically, it can be preferably used as a coloring composition for forming pixels of a color filter or a coloring composition for forming an infrared transmission filter, and more preferably used as a coloring composition for forming pixels of a color filter.
- Types of pixels include red pixels, green pixels, blue pixels, magenta pixels, cyan pixels, yellow pixels, etc., and preferably red pixels, green pixels, or yellow pixels; More preferably, it is a green pixel, and even more preferably it is a green pixel.
- the wavelength at which the light transmittance of the film becomes 50% is preferably in the wavelength range of 470 to 520 nm, and preferably 475 to 520 nm. It is more preferable that it exists in the wavelength range of 520 nm, and even more preferably that it exists in the wavelength range of 480 to 520 nm. Among these, it is preferable that the wavelength at which the light transmittance is 50% exists in the wavelength range of 470 to 520 nm and the wavelength range of 575 to 625 nm.
- the short wavelength at which the light transmittance is 50% is preferably in the wavelength range of 475 to 520 nm, more preferably in the wavelength range of 480 to 520 nm.
- the wavelength on the long wavelength side at which the light transmittance is 50% is preferably in the wavelength range of 580 to 620 nm, more preferably in the wavelength range of 585 to 615 nm.
- a colored composition capable of forming a film having such spectral characteristics is preferably used as a colored composition for forming green pixels of a color filter.
- the colored composition of the present invention contains a coloring agent.
- the colorant contained in the coloring composition of the present invention includes a specific metal azo colorant shown below.
- At least one azo compound selected from the group consisting of compounds represented by formulas (I) to (III) and compounds with tautomeric structures thereof is coordinated to a metal atom.
- the compounds represented by formulas (I) to (III) and compounds having tautomeric structures thereof are also referred to as specific azo compounds.
- R 1 to R 4 in formula (I) each independently represent a hydrogen atom or a substituent.
- substituents represented by R 1 to R 4 include the groups listed below for the substituent T, including a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a nitro group, Alkoxy group, aryloxy group, heterocyclic oxy group, acyloxy group, carbamoyloxy group, acylamino group, aminocarbonylamino group, alkoxycarbonylamino group, aryloxycarbonylamino group, sulfamoylamino group, alkylsulfonylamino group, aryl Sulfonylamino group, mercapto group, alkylthio group, arylthio group, heterocyclic thio group, sulfamoyl group, alkylsulfin
- the number of carbon atoms in the alkyl group is preferably from 1 to 10, more preferably from 1 to 5, even more preferably from 1 to 3 because it can further improve the light resistance and heat resistance of the resulting film, and especially from 1 to 3. preferable.
- the alkyl group may be linear, branched, or cyclic, preferably linear or branched, and more preferably linear.
- the alkyl group may have a substituent. Examples of the substituent include a halogen atom, an alkoxy group, an aryl group, a heterocyclic group, and an amino group, with a halogen atom being preferred and a fluorine atom being more preferred.
- the alkyl group having a substituent is preferably a halogenated alkyl group, more preferably a fluoroalkyl group, and even more preferably a trifluoromethyl group.
- the number of carbon atoms in the aryl group is preferably 6 to 20, more preferably 6 to 12, and even more preferably 6.
- the aryl group may have a substituent.
- the substituent include a halogen atom, an alkyl group, an alkoxy group, a heterocyclic group, and an amino group.
- the halogen atom is a fluorine atom.
- the above heterocyclic group preferably has a 5-membered ring or a 6-membered ring.
- the heteroatom contained in the heterocyclic group is preferably an oxygen atom, a nitrogen atom, or a sulfur atom.
- the number of heteroatoms that the heterocyclic group has is preferably 1 to 3.
- the heterocyclic group may have a substituent. Examples of the substituent include a halogen atom, an alkyl group, an alkoxy group, an aryl group, a heterocyclic group, and an amino group.
- the halogen atom is a fluorine atom.
- the number of carbon atoms in the acyl group is preferably 2 to 30, more preferably 2 to 20, and even more preferably 2 to 12.
- the acyl group may have a substituent.
- the acyl group may have a substituent.
- the substituent include a halogen atom, an alkyl group, an alkoxy group, an aryl group, a heterocyclic group, and an amino group.
- the halogen atom is a fluorine atom.
- at least one of R 1 to R 4 is a substituent, or at least one of Y 1 and Y 2 is -SH.
- Y 1 and Y 2 in formula (I) each independently represent -OH or -SH.
- a preferred embodiment of the combination of Y 1 and Y 2 is an embodiment in which Y 1 and Y 2 are -OH.
- at least one of X 1 to X 4 is S, or at least one of R 1 to R 4 is a substituent.
- Another preferred embodiment includes an embodiment in which Y 1 and Y 2 are each -SH.
- Another preferred embodiment is one in which either one of Y 1 and Y 2 is OH and the other is SH.
- at least one of R 1 to R 4 be a substituent since a film with more suppressed defects can be formed.
- at least one of R 1 to R 4 is a substituent, at least one of R 1 to R 4 is preferably a halogen atom, an alkyl group, an aryl group, a heterocyclic group, or an acyl group.
- substituent T examples include the following groups.
- Halogen atom e.g. fluorine atom, chlorine atom, bromine atom, iodine atom
- alkyl group preferably an alkyl group having 1 to 30 carbon atoms
- alkenyl group preferably an alkenyl group having 2 to 30 carbon atoms
- alkynyl group preferably an alkynyl group having 2 to 30 carbon atoms
- an aryl group preferably an aryl group having 6 to 30 carbon atoms
- a heterocyclic group preferably a heterocyclic group having 1 to 30 carbon atoms
- an amino group preferably an amino group having 0 to 30 carbon atoms
- an alkoxy group preferably an alkoxy group having 1 to 30 carbon atoms
- an aryloxy group preferably an aryloxy group having 6 to 30 carbon atoms
- a heterocyclic oxy group preferably a carbon Heterocyclic oxy group having 1 to 30 carbon atoms
- R 11 and R 12 in formula (II) each independently represent a hydrogen atom or a substituent.
- substituents represented by R 11 and R 12 include the groups described as the substituents represented by R 1 to R 4 in formula (I), and the preferred ranges are also the same.
- X 11 and X 13 each independently represent -OR X11 , -SR X12 or -NR X13 R X14 , R X11 to R may be combined to form a ring.
- Examples of the substituents represented by R X11 to R X14 include an alkyl group, an aryl group, and a heterocyclic group.
- the number of carbon atoms in the alkyl group is preferably from 1 to 10, more preferably from 1 to 5, even more preferably from 1 to 3 because it can further improve the light resistance and heat resistance of the resulting film, and especially from 1 to 3. preferable.
- the alkyl group may be linear, branched, or cyclic, preferably linear or branched, and more preferably linear.
- the alkyl group may have a substituent. Examples of the substituent include a halogen atom, an alkoxy group, an aryl group, a heterocyclic group, and an amino group.
- the number of carbon atoms in the aryl group is preferably 6 to 20, more preferably 6 to 12, and even more preferably 6.
- the aryl group may have a substituent.
- the substituent include a halogen atom, an alkyl group, an alkoxy group, a heterocyclic group, and an amino group.
- the above-mentioned heterocyclic group preferably has a 5-membered ring or a 6-membered ring.
- the heteroatom contained in the heterocyclic group is preferably an oxygen atom, a nitrogen atom, or a sulfur atom.
- the number of heteroatoms that the heterocyclic group has is preferably 1 to 3.
- the heterocyclic group may have a substituent. Examples of the substituent include a halogen atom, an alkyl group, an alkoxy group, an aryl group, a heterocyclic group, and an amino group.
- Y 11 and Y 12 in formula (II) each independently represent -OH or -SH.
- a preferred embodiment of the combination of Y 11 and Y 12 is an embodiment in which Y 11 and Y 12 are -OH.
- Another preferred embodiment includes an embodiment in which Y 11 and Y 12 are each -SH.
- Another preferred embodiment includes an embodiment in which either one of Y 11 and Y 12 is OH and the other is SH.
- R 21 to R 23 in formula (III) each independently represent a hydrogen atom or a substituent.
- substituents represented by R 21 to R 23 include the groups described as the substituents represented by R 1 to R 4 in formula (I), and the preferred ranges are also the same.
- R X21 to R X24 have the same meanings as R X11 to R X14 described above, and their preferred ranges are also the same.
- Y 21 and Y 22 in formula (III) each independently represent -OH or -SH.
- a preferred embodiment of the combination of Y 21 and Y 22 is an embodiment in which Y 21 and Y 22 are -OH.
- Another preferred embodiment includes an embodiment in which Y 21 and Y 22 are each -SH.
- Another preferred embodiment includes an embodiment in which either one of Y 21 and Y 22 is OH and the other is SH.
- Specific examples of specific azo compounds include compounds having the structures shown below and compounds having tautomeric structures thereof.
- Me represents a methyl group
- Et represents an ethyl group
- Bu represents a butyl group
- Hex represents a hexyl group.
- examples of the metal atom to which the above-mentioned specific azo compound coordinates include monovalent to trivalent metal atoms.
- the metal atom is preferably at least one selected from the group consisting of Ni, Cu, Zn, Co, Mg, Ca and Mn, and is preferably selected from the group consisting of Cu, Zn, Co, Mg, Ca and Mn. It is more preferably at least one kind, and more preferably at least one kind selected from the group consisting of Cu, Zn, and Co.
- a hydrogen atom may be dissociated from the coordination site with the metal atom in the specific azo compound.
- one specific azo compound may be coordinated with these metal atoms, or two or more specific azo compounds may be coordinated with these metal atoms. Moreover, when two or more specific azo compounds are coordinated, the specific azo compounds coordinated to the metal atom may be the same compound or different compounds. Further, a ligand other than the specific azo compound (another ligand) may be further coordinated to the metal atom.
- Ligands include halogen atoms (chlorine atom, bromine atom, fluorine atom, etc.), heterocyclic compounds (for example, pyridine, pyrimidine, imidazole, pyrazole, triazole, tetrazole, quinoline, 1,10-phenanthroline, etc.), protic compounds (e.g. water, methanol, ethanol, etc.), amine compounds (e.g.
- the colored composition of the present invention may contain two or more types of specific metal azo colorants. Further, when two or more types of specific metal azo colorants are included, it is preferable that the specific azo compound contains two or more types of metal azo colorants having different metal atoms coordinated. According to this aspect, due to the interaction of a plurality of metals, it is possible to form a film with more suppressed defects, and furthermore, the light resistance can be further improved.
- Preferred embodiments include embodiments (1) and (2) shown below, and embodiment (1) is preferred because a film with more suppressed defects can be formed.
- the Ni content based on all metal atoms in the specific metal azo colorant is preferably 70 mol% or less, more preferably 50 mol% or less, and even more preferably 20 mol% or less. It is particularly preferable that the specific metal azo colorant does not substantially contain Ni. In addition, in this specification, the specific metal azo colorant does not substantially contain Ni means that the content of Ni with respect to all metal atoms in the specific metal azo colorant is 1 mol% or less, It is preferably 0.5 mol% or less, more preferably 0.1 mol% or less, and even more preferably does not contain Ni.
- the specific metal azo colorant further contains a compound represented by formula (1).
- R 111 to R 113 each independently represent a hydrogen atom or an alkyl group.
- the alkyl group represented by R 111 to R 113 preferably has 1 to 10 carbon atoms, more preferably 1 to 6 carbon atoms, and still more preferably 1 to 4 carbon atoms.
- the alkyl group may be linear, branched, or cyclic, preferably linear or branched, and more preferably linear.
- the alkyl group may have a substituent. Examples of the substituent include the substituent T described below, with a hydroxy group being preferred.
- At least one of R 111 to R 113 is preferably a hydrogen atom, and more preferably all of R 111 to R 113 are hydrogen atoms.
- the specific metal azo colorant preferably contains 0.05 to 4 mol, and preferably 0.5 to 2.5 mol, of the compound represented by formula (1) per 1 mol of the above-mentioned specific azo compound. It is more preferable that the amount is more preferably 1.0 to 2.0 mol.
- the maximum absorption wavelength of the specific metal azo colorant is preferably in the wavelength range of 350 to 600 nm, more preferably in the wavelength range of 400 to 600 nm. Moreover, it is preferable that the specific metal azo colorant is a yellow colorant.
- the average primary particle diameter of the specific metal azo colorant is preferably 1 to 200 nm.
- the crystallite size determined from the half-value width of a peak derived from any crystal plane in an X-ray diffraction spectrum when CuK ⁇ radiation is used as an X-ray source is preferably 0.1 nm to 100 nm.
- specific metal azo colorants include compounds described in the columns of metal azo colorants 1 to 3 of colorants 1 to 290 described in Examples below.
- the coloring agent contained in the coloring composition of the present invention can further contain a coloring agent other than the above-mentioned specific metal azo coloring agent (hereinafter also referred to as other coloring agent).
- colorants may be pigments or dyes.
- the other coloring agent contains a pigment.
- the pigment may be either an inorganic pigment or an organic pigment, but organic pigments are preferable from the viewpoints of large color variations, ease of dispersion, safety, and the like.
- the average primary particle diameter of the pigment is preferably 1 to 200 nm.
- the lower limit is preferably 5 nm or more, more preferably 10 nm or more.
- the upper limit is preferably 180 nm or less, more preferably 150 nm or less, and even more preferably 100 nm or less.
- the primary particle diameter of a pigment can be calculated
- the average primary particle diameter in this specification is the arithmetic mean value of the primary particle diameters of 400 pigment primary particles.
- the primary particles of pigment refer to independent particles without agglomeration.
- the crystallite size determined from the half-width of the peak derived from any crystal plane in the X-ray diffraction spectrum when the CuK ⁇ ray of the pigment is used as the X-ray source is preferably 0.1 nm to 100 nm, and preferably 0.1 nm to 100 nm.
- the thickness is more preferably 5 nm to 50 nm, even more preferably 1 nm to 30 nm, and particularly preferably 3 nm to 25 nm.
- the specific surface area of the pigment is preferably 1 to 300 m 2 /g.
- the lower limit is preferably 3 m 2 /g or more, more preferably 10 m 2 /g or more.
- the upper limit is preferably 250 m 2 /g or less, more preferably 200 m 2 /g or less.
- the value of the specific surface area is determined according to DIN 66131: determination of the specific surface area of solids by gas adsorption according to the BET (Brunauer, Emmett and Teller) method. (Measurement of specific surface area of solids by adsorption).
- the other coloring agent preferably contains at least one selected from the group consisting of a phthalocyanine compound, a diketopyrrolopyrrole compound, an anthraquinone compound, an isoindoline compound, and a quinacridone compound; It is more preferable that it contains at least one selected from the group consisting of indoline compounds and quinacridone compounds, and even more preferable that it contains a phthalocyanine compound or a diketopyrrolopyrrole compound.
- colorants include green colorants, red colorants, yellow colorants, purple colorants, blue colorants, orange colorants, etc. It is preferably at least one selected from the group consisting of colorants, more preferably at least one selected from the group consisting of green colorants, red colorants and yellow colorants, green colorants and red colorants. More preferably, it is at least one selected from the group consisting of agents.
- red colorants examples include diketopyrrolopyrrole compounds, anthraquinone compounds, azo compounds, naphthol compounds, azomethine compounds, xanthene compounds, quinacridone compounds, perylene compounds, thioindigo compounds, and diketopyrrolopyrrole compounds, anthraquinone compounds, azo It is preferably a compound, and more preferably a diketopyrrolopyrrole compound. Moreover, it is preferable that the red colorant is a pigment.
- red colorants include C.I. I. (Color Index) Pigment Red 1, 2, 3, 4, 5, 6, 7, 9, 10, 14, 17, 22, 23, 31, 38, 41, 48:1, 48:2, 48:3, 48:4, 49, 49:1, 49:2, 52:1, 52:2, 53:1, 57:1, 60:1, 63:1, 66, 67, 81:1, 81:2, 81:3, 83, 88, 90, 105, 112, 119, 122, 123, 144, 146, 149, 150, 155, 166, 168, 169, 170, 171, 172, 175, 176, 177, 178, 179, 184, 185, 187, 188, 190, 200, 202, 206, 207, 208, 209, 210, 216, 220, 224, 226, 242, 246, 254, 255, 264, 269, 270, 272, Examples include red pigments such as 279, 291, 294, 295, 296, 297, and the like
- a red coloring agent a diketopyrrolopyrrole compound having at least one bromine atom substituted in the structure described in JP 2017-201384A, a diketopyrrolopyrrole compound described in paragraph numbers 0016 to 0022 of Patent No. 6248838, Pyrrole compounds, diketopyrrolopyrrole compounds described in International Publication No. 2012/102399, diketopyrrolopyrrole compounds described in International Publication No.
- JP-A-2020 Perylene compounds described in JP-A-079396, diketopyrrolopyrrole compounds described in paragraphs 0025 to 0041 of JP-A-2020-066702, and the like can also be used.
- a red colorant a compound having a structure in which an aromatic ring group into which a group to which an oxygen atom, sulfur atom, or nitrogen atom is bonded is bonded to a diketopyrrolopyrrole skeleton may be used. You can also do it.
- C. I. Pigment Red 122, 177, 254, 255, 264, 269, 272, and 291 are preferred.
- the green coloring agent examples include phthalocyanine compounds and squarylium compounds, preferably phthalocyanine compounds, and more preferably phthalocyanine pigments. Moreover, it is preferable that the green coloring agent is a pigment.
- green colorants include C.I. I.
- examples include green pigments such as Pigment Green 7, 10, 36, 37, 58, 59, 62, 63, 64, 65, and 66.
- halogenated zinc phthalocyanine has an average number of 10 to 14 halogen atoms, an average of 8 to 12 bromine atoms, and an average of 2 to 5 chlorine atoms in one molecule. Pigments can also be used. Specific examples include compounds described in International Publication No. 2015/118720.
- a green coloring agent a compound described in Chinese Patent Application No. 106909027, a phthalocyanine compound having a phosphoric acid ester as a ligand described in International Publication No.
- C.I. I. Pigment Green 7, 36, 58, 62, and 63 are preferred.
- orange colorants include C.I. I. Pigment Orange 2, 5, 13, 16, 17: 1, 31, 34, 36, 38, 43, 46, 48, 49, 51, 52, 55, 59, 60, 61, 62, 64, 71, 73, etc. orange pigments.
- yellow colorants examples include azo compounds, azomethine compounds, isoindoline compounds, pteridine compounds, quinophthalone compounds, and perylene compounds.
- Specific examples of yellow colorants include C.I. I. Pigment Yellow 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 24, 31, 32, 34, 35, 35: 1, 36, 36:1, 37, 37:1, 40, 42, 43, 53, 55, 60, 61, 62, 63, 65, 73, 74, 77, 81, 83, 86, 93, 94, 95, 97, 98, 100, 101, 104, 106, 108, 109, 110, 113, 114, 115, 116, 117, 118, 119, 120, 123, 125, 126, 127, 128, 129, 137, 138, 139, 147, 148, 150, 151, 152, 153, 154, 155, 156, 161, 162, 164, 166
- the compound described in JP 2017-201003 As a yellow coloring agent, the compound described in JP 2017-201003, the compound described in JP 2017-197719, the compound described in paragraph numbers 0011 to 0062, 0137 to 0276 of JP 2017-171912, , Compounds described in paragraph numbers 0010 to 0062, 0138 to 0295 of JP 2017-171913, Compounds described in paragraph numbers 0011 to 0062, 0139 to 0190 of JP 2017-171914, JP 2017-171915 Compounds described in paragraph numbers 0010 to 0065 and 0142 to 0222 of Japanese Patent Publication No. 2013-054339, quinophthalone compounds described in paragraph numbers 0011 to 0034 of Japanese Patent Application Publication No.
- X 1 to X 16 each independently represent a hydrogen atom or a halogen atom
- Z 1 represents an alkylene group having 1 to 3 carbon atoms.
- Specific examples of the compound represented by formula (QP1) include the compound described in paragraph number 0016 of Japanese Patent No. 6443711.
- Y 1 to Y 3 each independently represent a halogen atom.
- n and m represent integers from 0 to 6, and p represents an integer from 0 to 5.
- (n+m) is 1 or more.
- Specific examples of the compound represented by formula (QP2) include compounds described in paragraph numbers 0047 to 0048 of Japanese Patent No. 6432077.
- purple colorants include C.I. I.
- Examples include purple pigments such as Pigment Violet 1, 19, 23, 27, 32, 37, 42, 60, and 61.
- blue colorants include C.I. I. Pigment Blue 1, 2, 15, 15:1, 15:2, 15:3, 15:4, 15:6, 16, 22, 29, 60, 64, 66, 79, 80, 87, 88, etc.
- examples include pigments.
- an aluminum phthalocyanine compound having a phosphorus atom can also be used as a blue colorant.
- Specific examples include compounds described in paragraph numbers 0022 to 0030 of JP-A No. 2012-247591 and paragraph number 0047 of JP-A No. 2011-157478.
- Diarylmethane compounds described in Japanese Patent Publication No. 2020-504758 can also be used as the green colorant or blue colorant.
- Dyes can also be used as other colorants.
- dyes There are no particular restrictions on the dye, and known dyes can be used.
- pyrazole azo series, anilinoazo series, triarylmethane series, anthraquinone series, anthrapyridone series, benzylidene series, oxonol series, pyrazolotriazole azo series, pyridone azo series, cyanine series, phenothiazine series, pyrrolopyrazole azomethine series, xanthene series Examples include phthalocyanine-based, benzopyran-based, indigo-based, and pyrromethene-based dyes.
- the dye multimer is preferably a dye that is dissolved in a solvent. Further, the dye multimer may form particles. When the dye multimer is in the form of particles, it is usually used in a state of being dispersed in a solvent.
- the dye multimer in a particle state can be obtained, for example, by emulsion polymerization, and specific examples include the compound and manufacturing method described in JP-A No. 2015-214682.
- the dye multimer has two or more dye structures in one molecule, and preferably has three or more dye structures. The upper limit is not particularly limited, but may be 100 or less.
- the plurality of dye structures contained in one molecule may be the same dye structure or may be different dye structures.
- the weight average molecular weight (Mw) of the dye multimer is preferably 2,000 to 50,000.
- the lower limit is more preferably 3,000 or more, and even more preferably 6,000 or more.
- the upper limit is more preferably 30,000 or less, and even more preferably 20,000 or less.
- Dye multimers are described in JP 2011-213925, JP 2013-041097, JP 2015-028144, JP 2015-030742, WO 2016/031442, etc. Compounds can also be used.
- colorants include triarylmethane dye polymers described in Korean Patent Publication No. 10-2020-0028160, xanthene compounds described in JP2020-117638, and WO2020/174991.
- halogenated zinc phthalocyanine pigment described in Patent No. 6809649 JP 2020-180176 Isoindoline compounds described in JP-A No. 2021-187913, phenothiazine compounds described in JP-A No. 2021-187913, halogenated zinc phthalocyanine described in International Publication No. 2022/004261, halogenated compounds described in International Publication No. 2021/250883 Zinc phthalocyanine can be used.
- the other colorant may be a rotaxane, and the dye skeleton may be used in the cyclic structure of the rotaxane, in the rod-like structure, or in both structures.
- the content of the coloring agent in the total solid content of the coloring composition is preferably 20% by mass or more, more preferably 30% by mass or more, even more preferably 40% by mass or more, and even more preferably 50% by mass. It is particularly preferable that it is above.
- the upper limit is preferably 80% by mass or less, more preferably 75% by mass or less, and even more preferably 70% by mass or less.
- the content of the specific metal azo colorant in the total solid content of the coloring composition is preferably 10% by mass or more, more preferably 20% by mass or more, and even more preferably 30% by mass or more.
- the upper limit is preferably 80% by mass or less, more preferably 75% by mass or less, and even more preferably 70% by mass or less.
- the content of the specific metal azo colorant in the colorant contained in the coloring composition is preferably 10% by mass or more, more preferably 30% by mass or more, and even more preferably 50% by mass or more. .
- the upper limit can be 100% by mass or less, 90% by mass or less, and 80% by mass or less.
- the total content of the specific metal azo colorant and the yellow colorant used as other colorants in the colorant is 90% by mass. % or more, more preferably 95% by mass or more, and still more preferably 99% by mass or more.
- the content of the specific metal azo colorant in the colorant is preferably 10% by mass or more, more preferably 30% by mass or more, and even more preferably 50% by mass or more.
- the upper limit can be 100% by mass or less, and can also be 80% by mass or less.
- the coloring composition of the present invention is used as a coloring composition for forming green pixels of a color filter, it is preferable to use a colorant that further contains a green colorant in addition to the specific metal azo colorant.
- This colored composition may further contain a yellow coloring agent other than the specific metal azo coloring agent.
- a specified metal azo colorant in addition to the specified metal azo colorant, if it contains a yellow colorant other than the specified metal azo colorant, it is specified as a specified metal azo colorant.
- the total amount of yellow colorants other than metal azo colorants is preferably 1 to 70 parts by weight, more preferably 10 to 60 parts by weight.
- the total content of the specific metal azo colorant, yellow colorant other than the specific metal azo colorant, and green colorant in the colorant is preferably 20 to 100% by mass, and 50 to 100% by mass. It is more preferably 80 to 100 mass %, particularly preferably 90 to 100 mass %. Further, the content of the specific metal azo colorant in the colorant is preferably 1 to 80% by mass. The upper limit is preferably 75% by mass or less, more preferably 70% by mass or less. The lower limit is preferably 10% by mass or more, more preferably 30% by mass or more.
- the colorant includes at least one selected from a red colorant and an orange colorant in addition to the specific metal azo colorant. It is preferable to use one containing seeds.
- This colored composition may further contain a yellow coloring agent other than the specific metal azo coloring agent.
- a specified metal azo coloring agent in addition to the specified metal azo coloring agent, if a yellow coloring agent other than the specified metal azo coloring agent is further included, the total amount of the specific metal azo colorant and the yellow colorant other than the specific metal azo colorant) is preferably 1 to 70 parts by weight, more preferably 10 to 60 parts by weight.
- the total content of the specific metal azo colorant, yellow colorant other than the specific metal azo colorant, red colorant, and orange colorant in the colorant shall be 20 to 100% by mass. It is preferably 50 to 100% by mass, even more preferably 80 to 100% by mass, and particularly preferably 90 to 100% by mass. Further, the content of the specific metal azo colorant in the colorant is preferably 1 to 80% by mass. The upper limit is preferably 75% by mass or less, more preferably 70% by mass or less. The lower limit is preferably 10% by mass or more, more preferably 30% by mass or more.
- the colored composition of the present invention can contain a pigment derivative.
- Pigment derivatives are used, for example, as dispersion aids.
- a dispersion aid is a material for improving the dispersibility of pigments in a coloring composition.
- the pigment derivative include compounds having at least one structure selected from the group consisting of a pigment structure and a triazine structure, and an acid group or a basic group.
- the above dye structures include quinoline dye structure, benzimidazolone dye structure, benzisoindole dye structure, benzothiazole dye structure, iminium dye structure, squarylium dye structure, croconium dye structure, oxonol dye structure, pyrrolopyrrole dye structure, diketo Pyrrolopyrrole dye structure, azo dye structure, azomethine dye structure, phthalocyanine dye structure, naphthalocyanine dye structure, anthraquinone dye structure, quinacridone dye structure, dioxazine dye structure, perinone dye structure, perylene dye structure, thiazine indigo dye structure, thioindigo dye structure, isoindoline dye structure, isoindolinone dye structure, quinophthalone dye structure, dithiol dye structure, triarylmethane dye structure, pyrromethene dye structure, etc.
- Examples of the acid group that the pigment derivative has include a carboxy group, a sulfo group, a phosphoric acid group, a boronic acid group, an imide acid group, and salts thereof.
- Atoms or atomic groups constituting the salt include alkali metal ions (Li + , Na + , K + , etc.), alkaline earth metal ions (Ca 2+ , Mg 2+ , etc.), ammonium ions, imidazolium ions, pyridinium ions, Examples include phosphonium ions.
- the imide acid group is preferably a group represented by -SO 2 NHSO 2 R X1 , -CONHSO 2 R X2 , -CONHCOR X3 or -SO 2 NHCOR , or -SO 2 NHCOR X4 is more preferred, and -SO 2 NHSO 2 R X1 or -CONHSO 2 R X2 is even more preferred.
- R X1 to R X4 each independently represent an alkyl group or an aryl group.
- the alkyl group and aryl group represented by R X1 to R X4 may have a substituent.
- the substituent is preferably a halogen atom, more preferably a fluorine atom.
- R X1 to R X4 are each independently preferably an alkyl group containing a fluorine atom or an aryl group containing a fluorine atom, and more preferably an alkyl group containing a fluorine atom.
- the number of carbon atoms in the alkyl group containing a fluorine atom is preferably 1 to 10, more preferably 1 to 5, and even more preferably 1 to 3.
- the number of carbon atoms in the aryl group containing a fluorine atom is preferably 6 to 20, more preferably 6 to 12, and even more preferably 6.
- Examples of the basic group that the pigment derivative has include an amino group, a pyridinyl group and its salts, an ammonium group salt, and a phthalimidomethyl group.
- Examples of atoms or atomic groups constituting the salt include hydroxide ions, halogen ions, carboxylate ions, sulfonate ions, and phenoxide ions.
- Examples of the amino group include a group represented by -NR x11 R x12 and a cyclic amino group.
- R x11 and R x12 each independently represent a hydrogen atom, an alkyl group, or an aryl group, and preferably an alkyl group. That is, the amino group is preferably a dialkylamino group.
- the number of carbon atoms in the alkyl group is preferably 1 to 10, more preferably 1 to 5, even more preferably 1 to 3.
- the alkyl group may be linear, branched, or cyclic, preferably linear or branched, and more preferably linear.
- the alkyl group may have a substituent. Examples of the substituent include the substituent T described below.
- the number of carbon atoms in the aryl group is preferably 6 to 30, more preferably 6 to 20, and even more preferably 6 to 12.
- the aryl group may have a substituent. Examples of the substituent include the substituent T described below.
- cyclic amino group examples include a pyrrolidine group, a piperidine group, a piperazine group, and a morpholine group. These groups may further have a substituent.
- a pigment derivative having excellent visible transparency (hereinafter also referred to as a transparent pigment derivative) can also be used.
- the maximum molar extinction coefficient ( ⁇ max) of the transparent pigment derivative in the wavelength range of 400 to 700 nm is preferably 3000 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less, and preferably 1000 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less. is more preferable, and even more preferably 100 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less.
- the lower limit of ⁇ max is, for example, 1 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or more, and may be 10 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or more.
- pigment derivatives include compounds described in JP-A-56-118462, compounds described in JP-A-63-264674, compounds described in JP-A-01-217077, and JP-A-03-1999.
- Compounds described in JP-A-03-026767, compounds described in JP-A-03-153780, compounds described in JP-A-03-045662, JP-A-04-285669 Compounds described in JP-A No. 06-145546, compounds described in JP-A No. 06-212088, compounds described in JP-A No. 06-240158, compounds described in JP-A No.
- the content of the pigment derivative is preferably 1 to 30 parts by weight, more preferably 3 to 20 parts by weight, based on 100 parts by weight of the pigment. Further, the content of the pigment derivative is preferably 1 to 30 parts by mass, more preferably 3 to 20 parts by mass, based on 100 parts by mass of the above-mentioned specific metal azo colorant.
- the colored composition of the present invention may contain only one kind of pigment derivative, or may contain two or more kinds of pigment derivatives. When two or more types of pigment derivatives are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention contains a resin.
- the resin is blended, for example, for dispersing pigments and the like in a coloring composition or for use as a binder.
- a resin used mainly for dispersing pigments and the like in a coloring composition is also referred to as a dispersant.
- this use of the resin is just an example, and the resin can also be used for purposes other than this use.
- the weight average molecular weight of the resin is preferably 3,000 to 2,000,000.
- the upper limit is preferably 1,000,000 or less, more preferably 500,000 or less.
- the lower limit is preferably 4000 or more, more preferably 5000 or more.
- resins include (meth)acrylic resin, epoxy resin, ene thiol resin, polycarbonate resin, polyether resin, polyarylate resin, polysulfone resin, polyethersulfone resin, polyphenylene resin, polyarylene ether phosphine oxide resin, polyimide resin, Examples include polyamide resin, polyamideimide resin, polyolefin resin, cyclic olefin resin, polyester resin, styrene resin, vinyl acetate resin, polyvinyl alcohol resin, polyvinyl acetal resin, polyurethane resin, and polyurea resin. One type of these resins may be used alone, or two or more types may be used in combination.
- norbornene resin is preferable from the viewpoint of improving heat resistance.
- Commercially available norbornene resins include, for example, the ARTON series manufactured by JSR Corporation (eg, ARTON F4520).
- the resins include the resin described in the examples of International Publication No. 2016/088645, the resin described in JP 2017-057265, the resin described in JP 2017-032685, and the resin described in JP 2017-032685.
- a resin having a fluorene skeleton can also be preferably used.
- the description in US Patent Application Publication No. 2017/0102610 can be referred to, the contents of which are incorporated herein.
- the resins include resins described in paragraphs 0199 to 0233 of JP-A-2020-186373, alkali-soluble resins as described in JP-A-2020-186325, and Korean Patent Publication No. 10-2020-0078339.
- a resin represented by Formula 1 can also be used.
- a resin having acid groups examples include a carboxy group, a phosphoric acid group, a sulfo group, and a phenolic hydroxy group. The number of these acid groups may be one, or two or more.
- a resin having an acid group can be used, for example, as an alkali-soluble resin.
- the acid value of the resin having acid groups is preferably 30 to 500 mgKOH/g.
- the lower limit is preferably 50 mgKOH/g or more, more preferably 70 mgKOH/g or more.
- the upper limit is preferably 400 mgKOH/g or less, more preferably 200 mgKOH/g or less, even more preferably 150 mgKOH/g or less, and most preferably 120 mgKOH/g or less.
- the colored composition of the present invention contains a resin having a basic group.
- the resin having a basic group is preferably a resin containing a repeating unit having a basic group in its side chain, and a resin having a repeating unit having a basic group in its side chain and a repeating unit not containing a basic group.
- a polymer is more preferable, and a block copolymer having a repeating unit having a basic group in its side chain and a repeating unit not containing a basic group is even more preferable.
- a resin having a basic group can also be used as a dispersant.
- the amine value of the resin having a basic group is preferably 5 to 300 mgKOH/g.
- the lower limit is preferably 10 mgKOH/g or more, more preferably 20 mgKOH/g or more.
- the upper limit is preferably 200 mgKOH/g or less, more preferably 100 mgKOH/g or less.
- Examples of the basic group contained in the resin having a basic group include a group represented by the following formula (a-1) and a group represented by the following formula (a-2).
- R a1 and R a2 each independently represent a hydrogen atom, an alkyl group, or an aryl group, and R a1 and R a2 may be combined to form a ring;
- R a11 represents a hydrogen atom, a hydroxy group, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an acyl group, or an oxy radical
- R a12 to R a19 each independently represent , represents a hydrogen atom, an alkyl group or an aryl group.
- the number of carbon atoms in the alkyl group represented by R a1 , R a2 , R a11 to R a19 is preferably 1 to 30, more preferably 1 to 15, even more preferably 1 to 8, and particularly preferably 1 to 5.
- the alkyl group may be linear, branched, or cyclic, preferably linear or branched, and more preferably linear.
- the alkyl group may have a substituent.
- the number of carbon atoms in the aryl group represented by R a1 , R a2 , R a11 to R a19 is preferably 6 to 30, more preferably 6 to 20, and even more preferably 6 to 12.
- the aryl group may have a substituent.
- the number of carbon atoms in the alkoxy group represented by R a11 is preferably 1 to 30, more preferably 1 to 15, even more preferably 1 to 8, and particularly preferably 1 to 5.
- the alkoxy group may have a substituent.
- the number of carbon atoms in the aryloxy group represented by R a11 is preferably 6 to 30, more preferably 6 to 20, and even more preferably 6 to 12.
- the aryloxy group may have a substituent.
- the number of carbon atoms in the acyl group represented by R a11 is preferably 2 to 30, more preferably 2 to 20, and even more preferably 2 to 12.
- the acyl group may have a substituent.
- resins having basic groups include DISPERBYK-161, 162, 163, 164, 166, 167, 168, 174, 182, 183, 184, 185, 2000, 2001, 2050, 2150, 2163, 2164, BYK-LPN6919 (manufactured by BYK-Chemie Japan), SOLSPERSE11200, 13240, 13650, 13940, 24000, 26000, 28000, 32000, 32500, 32550, 32600, 33000, 34750, 35100, 3520 0, 37500, 38500, 39000, 53095 , 56000, 7100 (manufactured by Japan Lubrizol), Efka PX 4300, 4330, 4046, 4060, 4080 (manufactured by BASF), and the like.
- the resin having a basic group is the block copolymer (B) described in paragraph numbers 0063 to 0112 of JP2014-219665A, and the block copolymer (B) described in paragraphs 0046 to 0076 of JP2018-156021A. It is also possible to use block copolymers A1, the contents of which are incorporated herein.
- the colored composition of the present invention contains a resin having an acid group and a resin having a basic group. According to this aspect, the storage stability of the colored composition can be further improved.
- the content of the resin having a basic group may be 20 to 500 parts by mass per 100 parts by mass of the resin having an acid group. The amount is preferably 30 to 300 parts by weight, more preferably 50 to 200 parts by weight.
- a resin containing a repeating unit derived from a compound represented by formula (ED1) and/or a compound represented by formula (ED2) (hereinafter, these compounds may be referred to as "ether dimer") is used. It is also preferable to include.
- R 1 and R 2 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 25 carbon atoms which may have a substituent.
- R represents a hydrogen atom or an organic group having 1 to 30 carbon atoms.
- the description in JP-A No. 2010-168539 can be referred to.
- paragraph number 0317 of JP-A-2013-029760 can be referred to, the contents of which are incorporated herein.
- the resin includes a resin containing a repeating unit having a polymerizable group.
- the polymerizable group include ethylenically unsaturated bond-containing groups.
- R 1 represents a hydrogen atom or a methyl group
- R 21 and R 22 each independently represent an alkylene group
- n represents an integer of 0 to 15.
- the alkylene group represented by R 21 and R 22 preferably has 1 to 10 carbon atoms, more preferably 1 to 5 carbon atoms, even more preferably 1 to 3 carbon atoms, and particularly 2 or 3 carbon atoms.
- n represents an integer of 0 to 15, preferably an integer of 0 to 5, more preferably an integer of 0 to 4, even more preferably an integer of 0 to 3.
- Examples of the compound represented by formula (X) include ethylene oxide- or propylene oxide-modified (meth)acrylate of paracumylphenol.
- Commercially available products include Aronix M-110 (manufactured by Toagosei Co., Ltd.).
- the resin it is also preferable to use a resin having an aromatic carboxy group (hereinafter also referred to as resin Ac).
- the aromatic carboxy group may be included in the main chain of the repeating unit, or may be included in the side chain of the repeating unit.
- the aromatic carboxy group is preferably contained in the main chain of the repeating unit.
- an aromatic carboxy group refers to a group having a structure in which one or more carboxy groups are bonded to an aromatic ring.
- the number of carboxy groups bonded to the aromatic ring is preferably 1 to 4, more preferably 1 to 2.
- the resin Ac is preferably a resin containing at least one type of repeating unit selected from a repeating unit represented by formula (Ac-1) and a repeating unit represented by formula (Ac-2).
- Ar 1 represents a group containing an aromatic carboxy group
- L 1 represents -COO- or -CONH-
- L 2 represents a divalent linking group
- Ar 10 represents a group containing an aromatic carboxy group
- L 11 represents -COO- or -CONH-
- L 12 represents a trivalent linking group
- P 10 represents a polymer Represents a chain.
- Examples of the group containing an aromatic carboxy group represented by Ar 1 in formula (Ac-1) include a structure derived from an aromatic tricarboxylic acid anhydride, a structure derived from an aromatic tetracarboxylic acid anhydride, and the like.
- Examples of the aromatic tricarboxylic anhydride and aromatic tetracarboxylic anhydride include compounds having the following structures.
- Q 1 is a single bond, -O-, -CO-, -COOCH 2 CH 2 OCO-, -SO 2 -, -C(CF 3 ) 2 -, represented by the following formula (Q-1) or a group represented by the following formula (Q-2).
- the aromatic carboxy group-containing group represented by Ar 1 may have a polymerizable group.
- the polymerizable group is preferably an ethylenically unsaturated bond-containing group and a cyclic ether group, and more preferably an ethylenically unsaturated bond-containing group.
- Specific examples of the group containing an aromatic carboxy group represented by Ar 1 include a group represented by formula (Ar-11), a group represented by formula (Ar-12), and a group represented by formula (Ar-13). Examples include groups such as
- n1 represents an integer of 1 to 4, preferably 1 or 2, and more preferably 2.
- n2 represents an integer of 1 to 8, preferably an integer of 1 to 4, more preferably 1 or 2, and even more preferably 2.
- n3 and n4 each independently represent an integer of 0 to 4, preferably an integer of 0 to 2, more preferably 1 or 2, and preferably 1. More preferred. However, at least one of n3 and n4 is an integer of 1 or more.
- Q 1 is a single bond, -O-, -CO-, -COOCH 2 CH 2 OCO-, -SO 2 -, -C(CF 3 ) 2 -, the above formula (Q- Represents a group represented by 1) or a group represented by the above formula (Q-2).
- *1 represents the bonding position with L 1 .
- L 1 represents -COO- or -CONH-, and preferably represents -COO-.
- the divalent linking group represented by L 2 includes an alkylene group, an arylene group, -O-, -CO-, -COO-, -OCO-, -NH-, -S-, and these. Examples include groups combining two or more of the following.
- the alkylene group preferably has 1 to 30 carbon atoms, more preferably 1 to 20 carbon atoms, and still more preferably 1 to 15 carbon atoms.
- the alkylene group may be linear, branched, or cyclic.
- the number of carbon atoms in the arylene group is preferably 6 to 30, more preferably 6 to 20, and even more preferably 6 to 10.
- the alkylene group and arylene group may have a substituent.
- the divalent linking group represented by L 2 is preferably a group represented by -L 2a -O-.
- L 2a is an alkylene group; an arylene group; a group combining an alkylene group and an arylene group; at least one selected from an alkylene group and an arylene group, and -O-, -CO-, -COO-, -OCO-, Examples include a group combining at least one selected from -NH- and -S-, and an alkylene group is preferred.
- the alkylene group preferably has 1 to 30 carbon atoms, more preferably 1 to 20 carbon atoms, and still more preferably 1 to 15 carbon atoms.
- the alkylene group may be linear, branched, or cyclic.
- the alkylene group and arylene group may have a substituent. Examples of the substituent include a hydroxy group.
- the aromatic carboxy group-containing group represented by Ar 10 in formula (Ac-2) has the same meaning as Ar 1 in formula (Ac-1), and the preferred range is also the same.
- L 11 represents -COO- or -CONH-, preferably -COO-.
- the trivalent linking group represented by L 12 includes a hydrocarbon group, -O-, -CO-, -COO-, -OCO-, -NH-, -S-, and these two groups. Examples include groups that combine more than one species.
- the hydrocarbon group include an aliphatic hydrocarbon group and an aromatic hydrocarbon group. The number of carbon atoms in the aliphatic hydrocarbon group is preferably 1 to 30, more preferably 1 to 20, and even more preferably 1 to 15.
- the aliphatic hydrocarbon group may be linear, branched, or cyclic.
- the aromatic hydrocarbon group preferably has 6 to 30 carbon atoms, more preferably 6 to 20 carbon atoms, and still more preferably 6 to 10 carbon atoms.
- the hydrocarbon group may have a substituent. Examples of the substituent include a hydroxy group.
- the trivalent linking group represented by L 12 is preferably a group represented by formula (L12-1), and more preferably a group represented by formula (L12-2).
- L 12b represents a trivalent linking group
- X 1 represents S
- *1 represents the bonding position with L 11 of formula (Ac-2)
- *2 represents the bonding position of formula (Ac-2). It represents the bonding position of Ac-2) with P10 .
- the trivalent linking group represented by L 12b is a hydrocarbon group; a hydrocarbon group, and at least one kind selected from -O-, -CO-, -COO-, -OCO-, -NH-, and -S-.
- a hydrocarbon group or a group consisting of a hydrocarbon group and -O- is preferable.
- L 12c represents a trivalent linking group
- X 1 represents S
- *1 represents the bonding position with L 11 of formula (Ac-2)
- *2 represents formula ( It represents the bonding position of Ac-2) with P10 .
- the trivalent linking group represented by L 12c is a hydrocarbon group; a hydrocarbon group and at least one kind selected from -O-, -CO-, -COO-, -OCO-, -NH- and -S-.
- a hydrocarbon group is preferable.
- P 10 represents a polymer chain.
- the polymer chain represented by P 10 preferably has at least one repeating unit selected from poly(meth)acrylic repeating units, polyether repeating units, polyester repeating units, and polyol repeating units.
- the weight average molecular weight of the polymer chain P 10 is preferably 500 to 20,000.
- the lower limit is preferably 1000 or more.
- the upper limit is preferably 10,000 or less, more preferably 5,000 or less, and even more preferably 3,000 or less. If the weight average molecular weight of P 10 is within the above range, the pigment will have good dispersibility in the composition.
- the resin having an aromatic carboxy group is a resin having a repeating unit represented by formula (Ac-2), this resin is preferably used as a dispersant.
- the polymer chain represented by P 10 may contain an ethylenically unsaturated bond-containing group or a cyclic ether group.
- the colored composition of the present invention preferably contains a resin as a dispersant.
- the dispersant include acidic dispersants (acidic resins) and basic dispersants (basic resins).
- the acidic dispersant (acidic resin) refers to a resin in which the amount of acid groups is greater than the amount of basic groups.
- the acidic dispersant (acidic resin) is preferably a resin in which the amount of acid groups is 70 mol % or more when the total amount of acid groups and basic groups is 100 mol %.
- the acid group that the acidic dispersant (acidic resin) has is preferably a carboxy group.
- the acid value of the acidic dispersant (acidic resin) is preferably 10 to 105 mgKOH/g.
- the basic dispersant refers to a resin in which the amount of basic groups is greater than the amount of acid groups.
- the basic dispersant (basic resin) is preferably a resin in which the amount of basic groups exceeds 50 mol% when the total amount of acid groups and basic groups is 100 mol%.
- the basic group that the basic dispersant has is preferably an amino group.
- the resin used as a dispersant is a graft resin.
- the description in paragraphs 0025 to 0094 of JP-A No. 2012-255128 can be referred to, and the contents thereof are incorporated into the present specification.
- the resin used as a dispersant is a resin having an aromatic carboxy group (resin Ac).
- resin Ac resin having an aromatic carboxy group
- examples of the resin having an aromatic carboxy group include those mentioned above.
- the resin used as a dispersant is a polyimine-based dispersant containing a nitrogen atom in at least one of the main chain and the side chain.
- the polyimine dispersant has a main chain having a partial structure having a functional group with a pKa of 14 or less, a side chain having 40 to 10,000 atoms, and a basic nitrogen atom in at least one of the main chain and the side chain.
- the resin has The basic nitrogen atom is not particularly limited as long as it exhibits basicity.
- the resin used as the dispersant has a structure in which a plurality of polymer chains are bonded to the core portion.
- resins include dendrimers (including star-shaped polymers).
- specific examples of dendrimers include polymer compounds C-1 to C-31 described in paragraph numbers 0196 to 0209 of JP-A No. 2013-043962.
- the resin used as a dispersant is a resin containing a repeating unit having an ethylenically unsaturated bond-containing group in its side chain.
- the content of the repeating unit having an ethylenically unsaturated bond-containing group in its side chain is preferably 10 mol% or more, more preferably 10 to 80 mol%, and more preferably 20 to 70 mol% of the total repeating units of the resin. More preferably, it is mol%.
- resins described in JP 2018-087939, block copolymers (EB-1) to (EB-9) described in paragraph numbers 0219 to 0221 of Patent No. 6432077, Polyethyleneimine having a polyester side chain as described in International Publication No. 2016/104803, block copolymer as described in International Publication No. 2019/125940, block polymer having an acrylamide structural unit as described in JP-A No. 2020-066687 , a block polymer having an acrylamide structural unit described in JP 2020-066688A, a dispersant described in International Publication No. 2016/104803, etc. can also be used.
- Dispersants are also available as commercial products, and specific examples include the DISPERBYK series manufactured by BYK Chemie Japan, the SOLSPERSE series manufactured by Japan Lubrizol, the Efka series manufactured by BASF, and Ajinomoto Fine Techno ( Examples include the Ajisper series manufactured by Co., Ltd. Further, the product described in paragraph number 0129 of JP 2012-137564A and the product described in paragraph number 0235 of JP 2017-194662A can also be used as a dispersant.
- the content of resin in the total solid content of the coloring composition is preferably 1 to 60% by mass.
- the lower limit is preferably 5% by mass or more, more preferably 10% by mass or more, even more preferably 15% by mass or more, and particularly preferably 20% by mass or more.
- the upper limit is preferably 50% by mass or less, more preferably 40% by mass or less.
- the content of the resin having acid groups in the total solid content of the coloring composition is preferably 1 to 60% by mass.
- the lower limit is preferably 5% by mass or more, more preferably 10% by mass or more, even more preferably 15% by mass or more, and particularly preferably 20% by mass or more.
- the upper limit is preferably 50% by mass or less, more preferably 40% by mass or less.
- the content of the dispersant is preferably 10 to 100 parts by weight per 100 parts by weight of the pigment.
- the lower limit is preferably 15 parts by mass or more, more preferably 20 parts by mass or more.
- the upper limit is preferably 80 parts by mass or less, more preferably 60 parts by mass or less.
- the colored composition of the present invention may contain only one type of resin, or may contain two or more types of resin. When two or more types of resin are included, it is preferable that the total amount thereof falls within the above range.
- the colored composition of the present invention contains a solvent.
- the solvent include organic solvents.
- the type of solvent is basically not particularly limited as long as it satisfies the solubility of each component and the coatability of the composition.
- the organic solvent include ester solvents, ketone solvents, alcohol solvents, amide solvents, ether solvents, and hydrocarbon solvents.
- paragraph number 0223 of International Publication No. 2015/166779 can be referred to, the contents of which are incorporated herein.
- Ester solvents substituted with a cyclic alkyl group and ketone solvents substituted with a cyclic alkyl group can also be preferably used.
- organic solvents include polyethylene glycol monomethyl ether, dichloromethane, methyl 3-ethoxypropionate, ethyl 3-ethoxypropionate, ethyl cellosolve acetate, ethyl lactate, diethylene glycol dimethyl ether, butyl acetate, methyl 3-methoxypropionate, 2 -Heptanone, 3-pentanone, 4-heptanone, cyclohexanone, 2-methylcyclohexanone, 3-methylcyclohexanone, 4-methylcyclohexanone, cycloheptanone, cyclooctanone, cyclohexyl acetate, cyclopentanone, ethyl carbitol acetate, butyl carbyl Tall acetate, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, 3-methoxy-N,N-dimethylpropanamide, 3-butoxy-N,N-di
- aromatic hydrocarbons benzene, toluene, xylene, ethylbenzene, etc.
- organic solvents for environmental reasons (for example, 50 mass ppm (parts) based on the total amount of organic solvents). per million), 10 mass ppm or less, and 1 mass ppm or less).
- an organic solvent with a low metal content it is preferable to use an organic solvent with a low metal content, and it is preferable that the metal content of the organic solvent is, for example, 10 mass ppb (parts per billion) or less. If necessary, an organic solvent at a mass ppt (parts per trillion) level may be used, and such an organic solvent is provided by Toyo Gosei Co., Ltd. (Kagaku Kogyo Nippo, November 13, 2015). .
- Examples of methods for removing impurities such as metals from organic solvents include distillation (molecular distillation, thin film distillation, etc.) and filtration using a filter.
- the filter pore diameter of the filter used for filtration is preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less, and even more preferably 3 ⁇ m or less.
- the material of the filter is preferably polytetrafluoroethylene, polyethylene, or nylon.
- the organic solvent may contain isomers (compounds with the same number of atoms but different structures). Moreover, only one type of isomer may be included, or multiple types may be included.
- the content of peroxide in the organic solvent is 0.8 mmol/L or less, and it is more preferable that the organic solvent contains substantially no peroxide.
- the content of the solvent in the coloring composition is preferably 10 to 95% by mass, more preferably 20 to 90% by mass, and even more preferably 30 to 90% by mass.
- the colored composition of the present invention does not substantially contain environmentally regulated substances.
- "not substantially containing environmentally controlled substances” means that the content of environmentally controlled substances in the coloring composition is 50 mass ppm or less, preferably 30 mass ppm or less. , more preferably 10 mass ppm or less, particularly preferably 1 mass ppm or less.
- environmentally controlled substances include benzene; alkylbenzenes such as toluene and xylene; and halogenated benzenes such as chlorobenzene.
- REACH Registration Evaluation Authorization and Restriction of CHemicals
- PRTR Policy Release and It is registered as an environmentally regulated substance under the Transfer Register Act
- VOC Volatile Organic Compounds
- VOC Volatile Organic Compounds
- the method is strictly regulated.
- These compounds may be used as a solvent when producing each component used in the coloring composition, and may be mixed into the coloring composition as a residual solvent. From the viewpoint of human safety and environmental considerations, it is preferable to reduce the amount of these substances as much as possible.
- methods for reducing environmentally controlled substances include a method of heating or reducing pressure in the system to raise the temperature above the boiling point of the environmentally controlled substance to distill off the environmentally controlled substances from the system.
- distillation methods can be used at the stage of raw materials, at the stage of products obtained by reacting raw materials (for example, resin solution or polyfunctional monomer solution after polymerization), or at the stage of colored compositions prepared by mixing these compounds. This is possible at any stage.
- the colored composition of the present invention preferably contains a polymerizable compound.
- a polymerizable compound known compounds that can be crosslinked by radicals, acids, or heat can be used.
- the polymerizable compound is preferably a compound having an ethylenically unsaturated bond-containing group. Examples of the ethylenically unsaturated bond-containing group include a vinyl group, a (meth)allyl group, a (meth)acryloyl group, and the like.
- the polymerizable compound used in the present invention is preferably a radically polymerizable compound.
- the polymerizable compound may be in any chemical form such as a monomer, prepolymer, or oligomer, but monomers are preferred.
- the molecular weight of the polymerizable compound is preferably 100 to 3,000.
- the upper limit is more preferably 2000 or less, and even more preferably 1500 or less.
- the lower limit is more preferably 150 or more, and even more preferably 250 or more.
- the polymerizable compound is preferably a compound containing 3 or more ethylenically unsaturated bond-containing groups, more preferably a compound containing 3 to 15 ethylenically unsaturated bond-containing groups, and More preferably, it is a compound containing 3 to 6 containing groups. Further, the polymerizable compound is preferably a 3- to 15-functional (meth)acrylate compound, more preferably a 3- to 6-functional (meth)acrylate compound.
- polymerizable compounds include paragraph numbers 0095 to 0108 of JP 2009-288705, paragraph 0227 of JP 2013-029760, paragraph 0254 to 0257 of JP 2008-292970, and The compounds described in paragraph numbers 0034 to 0038 of JP 2013-253224, paragraph 0477 of JP 2012-208494, JP 2017-048367, JP 6057891, and JP 6031807 are , the contents of which are incorporated herein.
- polymerizable compounds examples include dipentaerythritol tri(meth)acrylate (commercially available product: KAYARAD D-330; manufactured by Nippon Kayaku Co., Ltd.), dipentaerythritol tetra(meth)acrylate (commercially available product: KAYARAD D-320) ; made by Nippon Kayaku Co., Ltd.), dipentaerythritol penta(meth)acrylate (as a commercial product KAYARAD D-310; made by Nippon Kayaku Co., Ltd.), dipentaerythritol hexa(meth)acrylate (as a commercial product KAYARAD DPHA; manufactured by Nippon Kayaku Co., Ltd.; NK ester A-DPH-12E; manufactured by Shin-Nakamura Chemical Industry Co., Ltd.), and these (meth)acryloyl groups via ethylene glycol and/or propylene glycol residues.
- Polymerizable compounds include trimethylolpropane tri(meth)acrylate, trimethylolpropanepropyleneoxy-modified tri(meth)acrylate, trimethylolpropaneethyleneoxy-modified tri(meth)acrylate, isocyanuric acid ethyleneoxy-modified tri(meth)acrylate, Trifunctional (meth)acrylate compounds such as pentaerythritol tri(meth)acrylate can also be used.
- Trifunctional (meth)acrylate compounds such as pentaerythritol tri(meth)acrylate can also be used.
- Commercially available trifunctional (meth)acrylate compounds include Aronix M-309, M-310, M-321, M-350, M-360, M-313, M-315, M-306, M-305.
- M-303, M-452, M-450 (manufactured by Toagosei Co., Ltd.), NK ester A9300, A-GLY-9E, A-GLY-20E, A-TMM-3, A-TMM-3L, A -TMM-3LM-N, A-TMPT, TMPT (manufactured by Shin Nakamura Chemical Co., Ltd.), KAYARAD GPO-303, TMPTA, THE-330, TPA-330, PET-30 (manufactured by Nippon Kayaku Co., Ltd.) Examples include.
- a compound having an acid group can also be used as the polymerizable compound.
- a polymerizable compound having an acid group By using a polymerizable compound having an acid group, the polymerizable compound in an unexposed area can be easily removed during development, and the generation of development residue can be suppressed.
- the acid group include a carboxy group, a sulfo group, a phosphoric acid group, and a carboxy group is preferred.
- the polymerizable compound having an acid group include succinic acid-modified dipentaerythritol penta(meth)acrylate.
- polymerizable compounds having acid groups include Aronix M-510, M-520, Aronix TO-2349 (manufactured by Toagosei Co., Ltd.), and the like.
- the acid value of the polymerizable compound having an acid group is preferably 0.1 to 40 mgKOH/g, more preferably 5 to 30 mgKOH/g. If the acid value of the polymerizable compound is 0.1 mgKOH/g or more, it has good solubility in a developer, and if it is 40 mgKOH/g or less, it is advantageous in terms of production and handling.
- a compound having a caprolactone structure can also be used as the polymerizable compound.
- Commercially available polymerizable compounds having a caprolactone structure include KAYARAD DPCA-20, DPCA-30, DPCA-60, and DPCA-120 (all manufactured by Nippon Kayaku Co., Ltd.).
- a polymerizable compound having an alkyleneoxy group can also be used as the polymerizable compound.
- the polymerizable compound having an alkyleneoxy group is preferably a polymerizable compound having an ethyleneoxy group and/or a propyleneoxy group, more preferably a polymerizable compound having an ethyleneoxy group, and a polymerizable compound having 4 to 20 ethyleneoxy groups. More preferred are hexafunctional (meth)acrylate compounds.
- Commercially available polymerizable compounds having an alkyleneoxy group include, for example, SR-494, a tetrafunctional (meth)acrylate having four ethyleneoxy groups manufactured by Sartomer Co., Ltd., and isobutyleneoxy group manufactured by Nippon Kayaku Co., Ltd. Examples include KAYARAD TPA-330, which is a trifunctional (meth)acrylate having three.
- a polymerizable compound having a fluorene skeleton can also be used as the polymerizable compound.
- Commercially available polymerizable compounds having a fluorene skeleton include Ogsol EA-0200 and EA-0300 (manufactured by Osaka Gas Chemical Co., Ltd., (meth)acrylate monomer having a fluorene skeleton).
- the polymerizable compound it is also preferable to use a compound that does not substantially contain environmentally controlled substances such as toluene.
- environmentally controlled substances such as toluene.
- Commercially available products of such compounds include KAYARAD DPHA LT, KAYARAD DPEA-12 LT (manufactured by Nippon Kayaku Co., Ltd.), and the like.
- the content of the polymerizable compound in the total solid content of the coloring composition is preferably 0.1 to 50% by mass.
- the lower limit is preferably 0.5% by mass or more, more preferably 1% by mass or more, and even more preferably 3% by mass or more.
- the upper limit is preferably 40% by mass or less, more preferably 30% by mass or less, and even more preferably 25% by mass or less.
- the colored composition of the present invention may contain only one kind of polymerizable compound, or may contain two or more kinds of polymerizable compounds. When two or more types of polymerizable compounds are included, it is preferable that the total amount thereof falls within the above range.
- the colored composition of the present invention preferably contains a photopolymerization initiator.
- the photopolymerization initiator is not particularly limited and can be appropriately selected from known photopolymerization initiators. For example, compounds having photosensitivity to light in the ultraviolet to visible range are preferred.
- the photopolymerization initiator is preferably a radical photopolymerization initiator.
- photopolymerization initiators include halogenated hydrocarbon derivatives (e.g., compounds with a triazine skeleton, compounds with an oxadiazole skeleton, etc.), acylphosphine compounds, hexaarylbiimidazole compounds, oxime compounds, organic peroxides, thio compounds, ketone compounds, aromatic onium salts, ⁇ -hydroxyketone compounds, ⁇ -aminoketone compounds, and the like.
- halogenated hydrocarbon derivatives e.g., compounds with a triazine skeleton, compounds with an oxadiazole skeleton, etc.
- acylphosphine compounds e.g., acylphosphine compounds, hexaarylbiimidazole compounds, oxime compounds, organic peroxides, thio compounds, ketone compounds, aromatic onium salts, ⁇ -hydroxyketone compounds, ⁇ -aminoketone compounds, and the like.
- photopolymerization initiators include trihalomethyltriazine compounds, benzyl dimethyl ketal compounds, ⁇ -hydroxyketone compounds, ⁇ -aminoketone compounds, acylphosphine compounds, phosphine oxide compounds, metallocene compounds, oxime compounds, and hexaarylbylene compounds.
- imidazole compounds onium compounds, benzothiazole compounds, benzophenone compounds, acetophenone compounds, cyclopentadiene-benzene-iron complexes, halomethyloxadiazole compounds and 3-aryl substituted coumarin compounds, oxime compounds, ⁇ -hydroxyketones
- the compound is more preferably a compound selected from a compound, an ⁇ -aminoketone compound, and an acylphosphine compound, and even more preferably an oxime compound.
- photopolymerization initiators compounds described in paragraphs 0065 to 0111 of JP-A-2014-130173, compounds described in Japanese Patent No. 6301489, MATERIAL STAGE 37 to 60p, vol. 19, No.
- hexaarylbiimidazole compounds include 2,2',4-tris(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)-4,5-diphenyl-1,1'-biimidazole, etc. can be mentioned.
- ⁇ -hydroxyketone compounds include Omnirad 184, Omnirad 1173, Omnirad 2959, Omnirad 127 (manufactured by IGM Resins B.V.), Irgacure 184, and Irgacure 1. 173, Irgacure 2959, Irgacure 127 (all BASF (manufactured by a company).
- Commercially available ⁇ -aminoketone compounds include Omnirad 907, Omnirad 369, Omnirad 369E, Omnirad 379EG (manufactured by IGM Resins B.V.), Irgacure 907, and Irgacure.
- acylphosphine compounds include Omnirad 819, Omnirad TPO (manufactured by IGM Resins B.V.), Irgacure 819, Irgacure TPO (manufactured by BASF), and the like.
- Examples of oxime compounds include the compounds described in JP-A No. 2001-233842, the compounds described in JP-A No. 2000-080068, the compounds described in JP-A No. 2006-342166, and the compounds described in J. C. S. Perkin II (1979, pp. 1653-1660); C. S. Perkin II (1979, pp. 156-162), Journal of Photopolymer Science and Technology (1995, pp. 202-232), JP-A-2000 - Compounds described in Publication No. 066385, Compounds described in Japanese Patent Publication No. 2004-534797, compounds described in Japanese Patent Application Publication No. 2006-342166, compounds described in Japanese Patent Application Publication No. 2017-019766, compounds described in Japanese Patent No.
- oxime compounds include 3-benzoyloxyiminobutan-2-one, 3-acetoxyiminobutan-2-one, 3-propionyloxyiminobutan-2-one, 2-acetoxyiminopentan-3-one, 2-acetoxyimino-1-phenylpropan-1-one, 2-benzoyloxyimino-1-phenylpropan-1-one, 3-(4-toluenesulfonyloxy)iminobutan-2-one, 2-ethoxycarbonyloxyimino -1-phenylpropan-1-one, 1-[4-(phenylthio)phenyl]-3-cyclohexyl-propane-1,2-dione-2-(O-acetyloxime), and the like.
- an oxime compound having a fluorene ring can also be used.
- oxime compounds having a fluorene ring include compounds described in JP-A No. 2014-137466, compounds described in Japanese Patent No. 6636081, compounds described in Korean Patent Publication No. 10-2016-0109444, Examples include fluorenylaminoketone photoinitiators described in Japanese Patent Publication No. 2020-507664 and oxime ester compounds described in International Publication No. 2021/023144.
- an oxime compound having a skeleton in which at least one benzene ring of the carbazole ring is a naphthalene ring is also possible.
- Specific examples of such oxime compounds include compounds described in International Publication No. 2013/083505.
- an oxime compound having a fluorine atom can also be used as a photopolymerization initiator.
- oxime compounds having a fluorine atom include compounds described in JP-A No. 2010-262028, compounds 24, 36 to 40 described in Japanese Patent Application Publication No. 2014-500852, and compounds described in JP-A No. 2013-164471. Examples include compound (C-3).
- an oxime compound having a nitro group can be used as the photopolymerization initiator. It is also preferable that the oxime compound having a nitro group is in the form of a dimer.
- Specific examples of oxime compounds having a nitro group include compounds described in paragraph numbers 0031 to 0047 of JP 2013-114249, paragraphs 0008 to 0012, and 0070 to 0079 of JP 2014-137466, Examples include compounds described in paragraph numbers 0007 to 0025 of Japanese Patent No. 4223071, and Adeka Arcles NCI-831 (manufactured by ADEKA Corporation).
- an oxime compound having a benzofuran skeleton can also be used.
- Specific examples include OE-01 to OE-75 described in International Publication No. 2015/036910.
- photopolymerization initiator it is also possible to use an oxime compound in which a substituent having a hydroxy group is bonded to the carbazole skeleton.
- photopolymerization initiators include compounds described in International Publication No. 2019/088055.
- oxime compounds preferably used in the present invention are shown below, but the present invention is not limited thereto.
- the oxime compound is preferably a compound having a maximum absorption wavelength in a wavelength range of 350 to 500 nm, more preferably a compound having a maximum absorption wavelength in a wavelength range of 360 to 480 nm.
- the molar extinction coefficient of the oxime compound at a wavelength of 365 nm or 405 nm is preferably high, more preferably from 1000 to 300,000, even more preferably from 2000 to 300,000, and even more preferably from 5000 to 200,000. It is particularly preferable that there be.
- the molar extinction coefficient of a compound can be measured using a known method. For example, it is preferable to measure at a concentration of 0.01 g/L using an ethyl acetate solvent with a spectrophotometer (Cary-5 spectrophotometer manufactured by Varian).
- the photopolymerization initiator it is also preferable to use a combination of Irgacure OXE01 (manufactured by BASF) and/or Irgacure OXE02 (manufactured by BASF) and Omnirad 2959 (manufactured by IGM Resins B.V.).
- a difunctional, trifunctional or more functional photoradical polymerization initiator may be used as the photopolymerization initiator.
- a radical photopolymerization initiator two or more radicals are generated from one molecule of the radical photopolymerization initiator, so that good sensitivity can be obtained.
- the crystallinity decreases and the solubility in solvents improves, making it difficult to precipitate over time, thereby improving the stability of the coloring composition over time.
- Specific examples of bifunctional or trifunctional or more functional photoradical polymerization initiators include those listed in Japanese Patent Application Publication No. 2010-527339, Japanese Patent Application Publication No. 2011-524436, International Publication No.
- the content of the photopolymerization initiator in the total solid content of the colored composition is preferably 0.1 to 30% by mass.
- the lower limit is preferably 0.5% by mass or more, more preferably 1% by mass or more.
- the upper limit is preferably 20% by mass or less, more preferably 15% by mass or less.
- the colored composition of the present invention may contain only one kind of photopolymerization initiator, or may contain two or more kinds of photopolymerization initiators. When two or more types of photopolymerization initiators are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain an infrared absorber.
- an infrared absorber For example, when forming an infrared transmitting filter using the colored composition of the present invention, the wavelength of light transmitted through the film obtained by incorporating an infrared absorber into the colored composition is shifted to a longer wavelength side. can be done.
- the infrared absorber is preferably a compound having a maximum absorption wavelength on the longer wavelength side than the wavelength of 700 nm.
- the infrared absorber is preferably a compound having a maximum absorption wavelength in a range of more than 700 nm and less than 1800 nm.
- the ratio A 1 /A 2 between the absorbance A 1 at a wavelength of 500 nm and the absorbance A 2 at the maximum absorption wavelength of the infrared absorbent is preferably 0.08 or less, and more preferably 0.04 or less.
- Infrared absorbers include pyrrolopyrrole compounds, cyanine compounds, squarylium compounds, phthalocyanine compounds, naphthalocyanine compounds, quaterylene compounds, merocyanine compounds, croconium compounds, oxonol compounds, iminium compounds, dithiol compounds, triarylmethane compounds, pyrromethene compounds, and azomethine. compounds, anthraquinone compounds, dibenzofuranone compounds, dithiolene metal complexes, metal oxides, metal borides, and the like.
- Examples of pyrrolopyrrole compounds include compounds described in paragraph numbers 0016 to 0058 of JP2009-263614A, compounds described in paragraphs 0037 to 0052 of JP2011-068731A, and compounds described in WO2015/166873A. Examples include compounds described in paragraph numbers 0010 to 0033. Examples of squarylium compounds include compounds described in paragraph numbers 0044 to 0049 of JP-A No. 2011-208101, compounds described in paragraph numbers 0060 to 0061 of Japanese Patent No. 6065169, and paragraph number 0040 of International Publication No. 2016/181987.
- metal oxide examples include indium tin oxide, antimony tin oxide, zinc oxide, Al-doped zinc oxide, fluorine-doped tin dioxide, niobium-doped titanium dioxide, and tungsten oxide.
- metal borides include lanthanum boride.
- Commercially available lanthanum boride products include LaB 6 -F (manufactured by Nippon Shinkinzoku Co., Ltd.).
- a metal boride the compound described in International Publication No. 2017/119394 can also be used.
- commercially available indium tin oxide products include F-ITO (manufactured by DOWA Hitech Co., Ltd.).
- infrared absorbers examples include squarylium compounds described in JP 2017-197437, squarylium compounds described in JP 2017-025311, squarylium compounds described in International Publication No. 2016/154782, and Japanese Patent No. 5884953.
- squarylium compounds described in Japanese Patent No. 6036689 examples include squarylium compounds described in Japanese Patent No. 5810604, squarylium compounds described in paragraphs 0090 to 0107 of International Publication No. 2017/213047, Japanese Patent Publication No.
- tungsten oxide represented by the following formula described in paragraph number 0025 of European Patent No. 3,628,645 can also be used.
- M 1 and M 2 represent ammonium cations or metal cations, a is 0.01 to 0.5, b is 0 to 0.5, c is 1, and d is 2.5 to 3.
- e is 0.01 to 0.75, n is 1, 2 or 3, m is 1, 2 or 3, and R represents a hydrocarbon group which may have a substituent. represent.
- the content of the infrared absorber in the total solid content of the coloring composition is preferably 1 to 40% by mass.
- the lower limit is preferably 2% by mass or more, more preferably 5% by mass or more, and even more preferably 10% by mass or more.
- the upper limit is preferably 30% by mass or less, more preferably 25% by mass or less.
- the colored composition of the present invention may contain only one type of infrared absorber, or may contain two or more types of infrared absorbers. When two or more types of infrared absorbers are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain a compound having a cyclic ether group.
- the cyclic ether group include an epoxy group and an oxetanyl group.
- the compound having a cyclic ether group is preferably a compound having an epoxy group (hereinafter also referred to as an epoxy compound).
- the compound having a cyclic ether group may be a low molecular compound (for example, molecular weight less than 1000) or a macromolecule (for example, molecular weight 1000 or more, in the case of a polymer, the weight average molecular weight is 1000 or more).
- the weight average molecular weight of the cyclic ether group is preferably 200 to 100,000, more preferably 500 to 50,000.
- the upper limit of the weight average molecular weight is preferably 10,000 or less, more preferably 5,000 or less, and even more preferably 3,000 or less.
- Examples of compounds having a cyclic ether group include compounds described in paragraph numbers 0034 to 0036 of JP-A No. 2013-011869, compounds described in paragraph numbers 0147 to 0156 of JP-A-2014-043556, and JP-A No. 2014. Compounds described in paragraph numbers 0085 to 0092 of JP-A-089408 and compounds described in JP-A-2017-179172 can also be used.
- epoxy resin can be preferably used as the epoxy compound.
- epoxy resins include epoxy resins that are glycidyl ethers of phenolic compounds, epoxy resins that are glycidyl ethers of various novolak resins, alicyclic epoxy resins, aliphatic epoxy resins, heterocyclic epoxy resins, and glycidyl esters.
- the epoxy equivalent of the epoxy resin is preferably 310 to 3300 g/eq, more preferably 310 to 1700 g/eq, even more preferably 310 to 1000 g/eq.
- EHPE3150 manufactured by Daicel Corporation
- EPICLON N-695 manufactured by DIC Corporation
- Marproof G-0150M G-0105SA, G-0130SP, and G-0130SP.
- -0250SP G-1005S, G-1005SA, G-1010S, G-2050M, G-01100, G-01758 (all of which are epoxy group-containing polymers manufactured by NOF Corporation).
- the content of the compound having a cyclic ether group in the total solid content of the coloring composition is preferably 0.1 to 20% by mass.
- the lower limit is, for example, preferably 0.5% by mass or more, more preferably 1% by mass or more.
- the upper limit is, for example, preferably 15% by mass or less, more preferably 10% by mass or less.
- the colored composition of the present invention may contain only one kind of compound having a cyclic ether group, or may contain two or more kinds of compounds. When two or more types of compounds having a cyclic ether group are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain a curing accelerator.
- the curing accelerator include thiol compounds, methylol compounds, amine compounds, phosphonium salt compounds, amidine salt compounds, amide compounds, base generators, isocyanate compounds, alkoxysilane compounds, onium salt compounds, and the like.
- Specific examples of the curing accelerator include compounds described in paragraph numbers 0094 to 0097 of International Publication No. 2018/056189, compounds described in paragraph numbers 0246 to 0253 of JP 2015-034963, and JP 2013-041165. Compounds described in paragraph numbers 0186 to 0251 of JP-A No.
- the content of the curing accelerator in the total solid content of the colored composition is preferably 0.3 to 8.9% by mass, more preferably 0.8 to 6.4% by mass.
- the colored composition of the present invention can contain an ultraviolet absorber.
- the ultraviolet absorber include conjugated diene compounds, aminodiene compounds, salicylate compounds, benzophenone compounds, benzotriazole compounds, acrylonitrile compounds, hydroxyphenyltriazine compounds, indole compounds, triazine compounds, dibenzoyl compounds, and the like. Specific examples of such compounds include paragraph numbers 0038 to 0052 of JP-A No. 2009-217221, paragraph numbers 0052 to 0072 of JP-A No. 2012-208374, and paragraph numbers 0317 to 0317 of JP-A No. 2013-068814.
- UV absorbers include compounds having the following structures.
- examples of commercially available UV absorbers include UV-503 (manufactured by Daito Kagaku Co., Ltd.), Tinuvin series and Uvinul series manufactured by BASF, and Sumisorb series manufactured by Sumika Chemtex Co., Ltd. .
- examples of the benzotriazole compound include the MYUA series manufactured by Miyoshi Yushi (Kagaku Kogyo Nippo, February 1, 2016).
- the ultraviolet absorbers include compounds described in paragraph numbers 0049 to 0059 of Patent No.
- the content of the ultraviolet absorber in the total solid content of the coloring composition is preferably 0.01 to 10% by mass, more preferably 0.01 to 5% by mass.
- the colored composition of the present invention may contain only one type of ultraviolet absorber, or may contain two or more types of ultraviolet absorbers. When two or more types of ultraviolet absorbers are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain a polymerization inhibitor.
- Polymerization inhibitors include hydroquinone, p-methoxyphenol, di-tert-butyl-p-cresol, pyrogallol, tert-butylcatechol, benzoquinone, 4,4'-thiobis(3-methyl-6-tert-butylphenol), Examples include 2,2'-methylenebis(4-methyl-6-t-butylphenol) and N-nitrosophenylhydroxyamine salts (ammonium salts, cerous salts, etc.). Among them, p-methoxyphenol is preferred.
- the content of the polymerization inhibitor in the total solid content of the coloring composition is preferably 0.0001 to 5% by mass.
- the colored composition of the present invention may contain only one kind of polymerization inhibitor, or may contain two or more kinds of polymerization inhibitors. When two or more types of polymerization inhibitors are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain a silane coupling agent.
- a silane coupling agent means a silane compound having a hydrolyzable group and other functional groups.
- hydrolyzable group refers to a substituent that is directly bonded to a silicon atom and can form a siloxane bond through at least one of a hydrolysis reaction and a condensation reaction. Examples of the hydrolyzable group include a halogen atom, an alkoxy group, an acyloxy group, and an alkoxy group is preferred. That is, the silane coupling agent is preferably a compound having an alkoxysilyl group.
- Examples of functional groups other than hydrolyzable groups include vinyl groups, (meth)allyl groups, (meth)acryloyl groups, mercapto groups, epoxy groups, oxetanyl groups, amino groups, ureido groups, sulfide groups, and isocyanate groups. , phenyl group, etc., and amino group, (meth)acryloyl group and epoxy group are preferable.
- silane coupling agents include N- ⁇ -aminoethyl- ⁇ -aminopropylmethyldimethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., trade name KBM-602), N- ⁇ -aminoethyl- ⁇ -amino Propyltrimethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., trade name KBM-603), N- ⁇ -aminoethyl- ⁇ -aminopropyltriethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., trade name KBE-602), ⁇ -Aminopropyltrimethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., trade name KBM-903), ⁇ -aminopropyltriethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., trade name KBM-
- the silane coupling agent include compounds described in paragraph numbers 0018 to 0036 of JP-A No. 2009-288703 and compounds described in paragraph numbers 0056 to 0066 of JP-A-2009-242604. , the contents of which are incorporated herein.
- the content of the silane coupling agent in the total solid content of the colored composition is preferably 0.01 to 15% by mass, more preferably 0.05 to 10% by mass.
- the colored composition of the present invention may contain only one kind of silane coupling agent, or may contain two or more kinds of silane coupling agents. When two or more types of silane coupling agents are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain a surfactant.
- a surfactant various surfactants such as fluorine surfactants, nonionic surfactants, cationic surfactants, anionic surfactants, and silicone surfactants can be used.
- the surfactant is preferably a silicone surfactant or a fluorine surfactant.
- fluorine-based surfactants examples include surfactants described in paragraph numbers 0060 to 0064 of JP 2014-041318 (corresponding paragraph numbers 0060 to 0064 of WO 2014/017669), and the like; Examples include the surfactants described in paragraph numbers 0117 to 0132 of Publication No. 132503 and the surfactants described in JP-A-2020-008634, the contents of which are incorporated herein.
- Commercially available fluorosurfactants include Megafac F-171, F-172, F-173, F-176, F-177, F-141, F-142, F-143, F-144.
- Fluorine-based surfactants include acrylic compounds that have a molecular structure with a functional group containing a fluorine atom, and when heated, the functional group containing a fluorine atom is cut off and the fluorine atom evaporates. Can be used. Examples of such fluorine-based surfactants include Megafac DS series manufactured by DIC Corporation (Kagaku Kogyo Nippo (February 22, 2016), Nikkei Sangyo Shimbun (February 23, 2016)); Fuck DS-21 is an example.
- fluorine-based surfactant it is also preferable to use a polymer of a fluorine atom-containing vinyl ether compound having a fluorinated alkyl group or a fluorinated alkylene ether group and a hydrophilic vinyl ether compound.
- fluorine-based surfactants include the fluorine-based surfactants described in JP-A No. 2016-216602, the content of which is incorporated herein.
- a block polymer can also be used as the fluorosurfactant.
- the fluorine-based surfactant has a repeating unit derived from a (meth)acrylate compound having a fluorine atom and two or more (preferably five or more) alkyleneoxy groups (preferably ethyleneoxy group, propyleneoxy group) (meth).
- a fluorine-containing polymer compound containing a repeating unit derived from an acrylate compound can also be preferably used.
- the fluorine-containing surfactants described in paragraph numbers 0016 to 0037 of JP-A-2010-032698 and the following compounds are also exemplified as the fluorine-containing surfactant used in the present invention.
- the weight average molecular weight of the above compound is preferably 3,000 to 50,000, for example 14,000. In the above compound, % indicating the proportion of repeating units is mol%.
- a fluorine-based surfactant a fluorine-containing polymer having an ethylenically unsaturated bond-containing group in its side chain can also be used.
- Specific examples include compounds described in paragraph numbers 0050 to 0090 and paragraph numbers 0289 to 0295 of JP-A No. 2010-164965, Megafac RS-101, RS-102, RS-718K manufactured by DIC Corporation, Examples include RS-72-K.
- compounds described in paragraph numbers 0015 to 0158 of JP-A No. 2015-117327 can also be used.
- a fluorine-containing imide salt compound represented by formula (fi-1) is also preferable to use as a surfactant.
- m represents 1 or 2
- n represents an integer of 1 to 4
- a represents 1 or 2
- X a+ represents an a-valent metal ion, a primary ammonium ion, or Represents a secondary ammonium ion, tertiary ammonium ion, quaternary ammonium ion or NH 4 + .
- nonionic surfactants include glycerol, trimethylolpropane, trimethylolethane, and their ethoxylates and propoxylates (e.g., glycerol propoxylate, glycerol ethoxylate, etc.), polyoxyethylene lauryl ether, polyoxyethylene stearyl ether, Polyoxyethylene oleyl ether, polyoxyethylene octylphenyl ether, polyoxyethylene nonylphenyl ether, polyethylene glycol dilaurate, polyethylene glycol distearate, sorbitan fatty acid ester, Pluronic L10, L31, L61, L62, 10R5, 17R2, 25R2 (BASF Tetronic 304, 701, 704, 901, 904, 150R1 (manufactured by BASF), Solsperse 20000 (manufactured by Japan Lubrizol Co., Ltd.), NCW-101, NCW-1001, NCW-1002 (Fujifilm Wa
- silicone surfactants examples include DOWSIL SH8400, SH8400 FLUID, FZ-2122, 67 Additive, 74 Additive, M Additive, SF 8419 OIL (manufactured by Dow Toray Industries, Inc.), and TS.
- F-4300, TSF-4445, TSF-4460, TSF-4452 (manufactured by Momentive Performance Materials), KP-341, KF-6000, KF-6001, KF-6002, KF-6003 (manufactured by Shin-Etsu Chemical Co., Ltd.) , BYK-307, BYK-322, BYK-323, BYK-330, BYK-333, BYK-3760, BYK-UV3510 (manufactured by BYK Chemie), and the like.
- a compound having the following structure can also be used as the silicone surfactant.
- the content of the surfactant in the total solid content of the coloring composition is preferably 0.001% by mass to 5.0% by mass, more preferably 0.005% to 3.0% by mass.
- the colored composition of the present invention may contain only one kind of surfactant, or may contain two or more kinds of surfactants. When two or more types of surfactants are included, the total amount thereof is preferably within the above range.
- the colored composition of the present invention can contain an antioxidant.
- antioxidants include phenol compounds, phosphite compounds, thioether compounds, and the like.
- the phenol compound any phenol compound known as a phenolic antioxidant can be used.
- Preferred phenol compounds include hindered phenol compounds.
- a compound having a substituent at a site adjacent to the phenolic hydroxy group (ortho position) is preferred.
- the above-mentioned substituents are preferably substituted or unsubstituted alkyl groups having 1 to 22 carbon atoms.
- a compound having a phenol group and a phosphorous acid ester group in the same molecule is also preferable.
- phosphorus-based antioxidants can also be suitably used.
- a phosphorus antioxidant tris[2-[[2,4,8,10-tetrakis(1,1-dimethylethyl)dibenzo[d,f][1,3,2]dioxaphosphepine-6 -yl]oxy]ethyl]amine, tris[2-[(4,6,9,11-tetra-tert-butyldibenzo[d,f][1,3,2]dioxaphosphepin-2-yl )oxy]ethyl]amine, ethylbis(2,4-di-tert-butyl-6-methylphenyl) phosphite, and the like.
- antioxidants include, for example, Adekastab AO-20, Adekastab AO-30, Adekastab AO-40, Adekastab AO-50, Adekastab AO-50F, Adekastab AO-60, Adekastab AO-60G, Adekastab AO-80. , ADEKA STAB AO-330 (manufactured by ADEKA Co., Ltd.).
- the antioxidants include compounds described in paragraph numbers 0023 to 0048 of Patent No. 6268967, compounds described in International Publication No. 2017/006600, compounds described in International Publication No. 2017/164024, Compounds described in Korean Patent Publication No. 10-2019-0059371 can also be used.
- the content of the antioxidant in the total solid content of the coloring composition is preferably 0.01 to 20% by mass, more preferably 0.3 to 15% by mass.
- the coloring composition of the present invention may contain only one kind of antioxidant, or may contain two or more kinds of antioxidants. When two or more types of antioxidants are included, the total amount thereof is preferably within the above range.
- the coloring composition of the present invention may contain sensitizers, curing accelerators, fillers, thermosetting accelerators, plasticizers, and other auxiliary agents (e.g., conductive particles, antifoaming agents, flame retardants, (leveling agents, peeling accelerators, fragrances, surface tension modifiers, chain transfer agents, etc.) may also be included.
- auxiliary agents e.g., conductive particles, antifoaming agents, flame retardants, (leveling agents, peeling accelerators, fragrances, surface tension modifiers, chain transfer agents, etc.
- properties such as film physical properties can be adjusted.
- the colored composition of the present invention may contain a latent antioxidant, if necessary.
- a latent antioxidant is a compound whose moiety that functions as an antioxidant is protected with a protecting group, and is heated at 100 to 250°C or heated at 80 to 200°C in the presence of an acid/base catalyst. Examples include compounds that function as antioxidants by removing protective groups. Examples of the latent antioxidant include compounds described in WO 2014/021023, WO 2017/030005, and JP 2017-008219. Commercially available latent antioxidants include Adeka Arcles GPA-5001 (manufactured by ADEKA Co., Ltd.).
- the colored composition of the present invention may contain a metal oxide in order to adjust the refractive index of the resulting film.
- metal oxides include TiO 2 , ZrO 2 , Al 2 O 3 , and SiO 2 .
- the primary particle diameter of the metal oxide is preferably 1 to 100 nm, more preferably 3 to 70 nm, and even more preferably 5 to 50 nm.
- the metal oxide may have a core-shell structure. Further, in this case, the core portion may be hollow.
- the colored composition of the present invention may also contain a lightfastness improver.
- a lightfastness improver compounds described in paragraph numbers 0036 to 0037 of JP 2017-198787, compounds described in paragraph numbers 0029 to 0034 of JP 2017-146350, JP 2017-129774, Compounds described in paragraph numbers 0036 to 0037, 0049 to 0052 of JP 2017-129674, compounds described in paragraph numbers 0031 to 0034, 0058 to 0059 of JP 2017-122803, paragraph numbers 0036 to 0037 of JP 2017-122803. , compounds described in paragraph numbers 0025 to 0039 of International Publication No.
- the colored composition of the present invention is substantially free of terephthalic acid ester.
- substantially not containing means that the content of terephthalic acid ester is 1000 mass ppb or less in the total amount of the coloring composition, more preferably 100 mass ppb or less, Particularly preferred is zero.
- perfluoroalkyl sulfonic acids and their salts may be regulated.
- perfluoroalkylsulfonic acids particularly perfluoroalkylsulfonic acids whose perfluoroalkyl group has 6 to 8 carbon atoms
- salts thereof and perfluoroalkylsulfonic acids
- the content of fluoroalkylcarboxylic acid (particularly perfluoroalkylcarboxylic acid whose perfluoroalkyl group has 6 to 8 carbon atoms) and its salt is 0.01 ppb to 1,000 ppb based on the total solid content of the coloring composition.
- the coloring composition of the present invention may be substantially free of perfluoroalkylsulfonic acid and its salt, and perfluoroalkylcarboxylic acid and its salt.
- perfluoroalkylsulfonic acid and its salt and perfluoroalkylcarboxylic acid and its salt.
- a compound that can be substituted for perfluoroalkylsulfonic acid and its salt and a compound that can be substituted for perfluoroalkylcarboxylic acid and its salt, perfluoroalkylsulfonic acid and its salt, and perfluoroalkylcarboxylic acid and a coloring composition substantially free of salts thereof.
- Compounds that can be substituted for regulated compounds include, for example, compounds that are excluded from regulated targets due to differences in the number of carbon atoms in perfluoroalkyl groups.
- the above content does not preclude the use of perfluoroalkylsulfonic acids and their salts, and perfluoroalkylcarboxylic acids and their salts.
- the colored compositions of the present invention may include perfluoroalkyl sulfonic acids and salts thereof, and perfluoroalkyl carboxylic acids and salts thereof, to the maximum extent permissible.
- the water content of the colored composition of the present invention is usually 3% by mass or less, preferably 0.01 to 1.5% by mass, and more preferably 0.1 to 1.0% by mass.
- the water content can be measured by the Karl Fischer method.
- the colored composition of the present invention can be used by adjusting the viscosity for the purpose of adjusting the film surface condition (flatness, etc.), adjusting the film thickness, etc.
- the value of viscosity can be appropriately selected as required, but for example, at 25° C., 0.3 mPa ⁇ s to 50 mPa ⁇ s is preferable, and 0.5 mPa ⁇ s to 20 mPa ⁇ s is more preferable.
- the viscosity can be measured using, for example, a cone plate type viscometer with the temperature adjusted to 25°C.
- the container for storing the coloring composition is not particularly limited, and any known container can be used.
- any known container can be used.
- as storage containers we use multilayer bottles whose inner walls are made of 6 types of 6 layers of resin, and bottles with 7 layers of 6 types of resin. It is also preferable to use Examples of such a container include the container described in JP-A No. 2015-123351.
- the inner wall of the container is preferably made of glass, stainless steel, or the like for the purpose of preventing metal elution from the inner wall of the container, increasing the stability of the colored composition over time, and suppressing component deterioration.
- the colored composition of the present invention can be prepared by mixing the above-mentioned components.
- the colored composition may be prepared by dissolving and/or dispersing all components in a solvent at the same time, or, if necessary, each component may be prepared as two or more solutions or dispersions as appropriate.
- a colored composition may be prepared by mixing these at the time of use (at the time of application).
- a process of dispersing pigments when preparing the colored composition.
- mechanical forces used for dispersing pigments include compression, squeezing, impact, shearing, cavitation, and the like.
- Specific examples of these processes include bead mills, sand mills, roll mills, ball mills, paint shakers, microfluidizers, high speed impellers, sand grinders, flow jet mixers, high pressure wet atomization, ultrasonic dispersion, and the like.
- the particles may be made finer in a salt milling step.
- Bead materials used for dispersion include zirconia, agate, quartz, titania, tungsten carbide, silicon nitride, alumina, stainless steel, and glass.
- an inorganic compound having a Mohs hardness of 2 or more can also be used for the beads.
- the composition may contain 1 to 10,000 ppm of the beads.
- any filter that has been conventionally used for filtration and the like can be used without particular limitation.
- fluororesins such as polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF)
- polyamide resins such as nylon (for example, nylon-6, nylon-6,6)
- polyolefin resins such as polyethylene and polypropylene (PP)
- filters using materials such as high-density, ultra-high molecular weight polyolefin resins.
- polypropylene (including high-density polypropylene) and nylon are preferred.
- the pore diameter of the filter is preferably 0.01 to 7.0 ⁇ m, more preferably 0.01 to 3.0 ⁇ m, and even more preferably 0.05 to 0.5 ⁇ m. If the pore diameter of the filter is within the above range, fine foreign matter can be removed more reliably.
- the pore size value of the filter reference can be made to the nominal value of the filter manufacturer.
- various filters provided by Nippon Pole Co., Ltd. DFA4201NXEY, DFA4201NAEY, DFA4201J006P, etc.
- Advantech Toyo Co., Ltd., Nippon Entegris Co., Ltd. (formerly Nippon Microlith Co., Ltd.), Kitz Microfilter Co., Ltd., etc. can be used. .
- a fiber filter medium As the filter.
- the fibrous filter medium include polypropylene fiber, nylon fiber, and glass fiber.
- Commercially available products include the SBP type series (SBP008, etc.), the TPR type series (TPR002, TPR005, etc.), and the SHPX type series (SHPX003, etc.) manufactured by Loki Techno.
- filters different filters (eg, a first filter and a second filter, etc.) may be combined. At this time, filtration with each filter may be performed only once, or may be performed two or more times. Furthermore, filters with different pore diameters within the above-mentioned range may be combined. Alternatively, only the dispersion liquid may be filtered with the first filter, and then filtered with the second filter after other components are mixed. Further, a filter can be appropriately selected depending on the hydrophilicity and hydrophobicity of the colored composition.
- the film of the present invention is a film obtained from the colored composition of the present invention described above.
- the film of the present invention can be used for optical filters such as color filters and infrared transmission filters.
- the film thickness of the film of the present invention can be adjusted as appropriate depending on the purpose.
- the film thickness is preferably 20 ⁇ m or less, more preferably 10 ⁇ m or less, and even more preferably 5 ⁇ m or less.
- the lower limit of the film thickness is preferably 0.1 ⁇ m or more, more preferably 0.2 ⁇ m or more, and even more preferably 0.3 ⁇ m or more.
- the film of the present invention When the film of the present invention is used as a color filter, the film of the present invention preferably has a green, red, blue, cyan, magenta, or yellow hue, more preferably a green, red, or yellow hue. preferable. Further, the film of the present invention can be preferably used as a colored pixel of a color filter. Examples of colored pixels include red pixels, green pixels, blue pixels, magenta pixels, cyan pixels, yellow pixels, etc., and preferably red pixels, green pixels, and yellow pixels, and red pixels or green pixels. More preferably, it is a green pixel, and even more preferably a green pixel.
- the wavelength at which the light transmittance is 50% is preferably in the wavelength range of 470 to 520 nm, more preferably in the wavelength range of 475 to 520 nm, and more preferably in the wavelength range of 480 to 520 nm. More preferably, it exists within the wavelength range. Among these, it is preferable that the wavelength at which the light transmittance is 50% exists in the wavelength range of 470 to 520 nm and the wavelength range of 575 to 625 nm. In this embodiment, the short wavelength at which the light transmittance is 50% is preferably in the wavelength range of 475 to 520 nm, more preferably in the wavelength range of 480 to 520 nm.
- the wavelength on the long wavelength side at which the light transmittance is 50% is preferably in the wavelength range of 580 to 620 nm, more preferably in the wavelength range of 585 to 615 nm.
- a film having such spectral characteristics is preferably used as a green pixel.
- the film of the present invention preferably has, for example, any one of the following spectral properties (1) to (4).
- the maximum value of the light transmittance in the thickness direction of the film in the wavelength range of 400 to 640 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the light transmission in the thickness direction of the film is
- the minimum value of the ratio in the wavelength range of 800 to 1300 nm is 70% or more (preferably 75% or more, more preferably 80% or more).
- a film having such spectral characteristics can block light in the wavelength range of 400 to 640 nm and transmit light with wavelengths exceeding 700 nm.
- the maximum value of the light transmittance in the thickness direction of the film in the wavelength range of 400 to 750 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the light transmission in the thickness direction of the film is A film having a minimum value of 70% or more (preferably 75% or more, more preferably 80% or more) in the wavelength range of 900 to 1300 nm.
- a film having such spectral characteristics can block light in the wavelength range of 400 to 750 nm and transmit light with a wavelength exceeding 850 nm.
- the maximum value of the light transmittance in the thickness direction of the film in the wavelength range of 400 to 830 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the light transmission in the thickness direction of the film is A film having a minimum value of 70% or more (preferably 75% or more, more preferably 80% or more) in the wavelength range of 1000 to 1300 nm.
- a film having such spectral characteristics can block light in the wavelength range of 400 to 830 nm and transmit light with a wavelength exceeding 940 nm.
- the maximum value of the light transmittance in the thickness direction of the film in the wavelength range of 400 to 950 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the light transmission in the thickness direction of the film is A film having a minimum value of 70% or more (preferably 75% or more, more preferably 80% or more) in the wavelength range of 1100 to 1300 nm.
- a film having such spectral characteristics can block light in a wavelength range of 400 to 950 nm and transmit light with a wavelength exceeding 1040 nm.
- the film of the present invention can be manufactured through a step of applying the colored composition of the present invention.
- the film manufacturing method preferably further includes a step of forming a pattern (pixel). Examples of methods for forming patterns (pixels) include photolithography and dry etching, with photolithography being preferred.
- Pattern formation by the photolithography method includes a step of forming a colored composition layer on a support using the colored composition of the present invention, a step of exposing the colored composition layer to light in a pattern, and a step of exposing the colored composition layer to light. It is preferable to include a step of developing and removing the exposed portion to form a pattern (pixel). If necessary, a step of baking the colored composition layer (pre-bake step) and a step of baking the developed pattern (pixel) (post-bake step) may be provided.
- a colored composition layer is formed on a support using the colored composition of the present invention.
- the support is not particularly limited and can be appropriately selected depending on the application.
- a glass substrate, a silicon substrate, etc. may be mentioned, and a silicon substrate is preferable.
- a charge coupled device (CCD), a complementary metal oxide semiconductor (CMOS), a transparent conductive film, etc. may be formed on the silicon substrate.
- CMOS complementary metal oxide semiconductor
- a black matrix that isolates each pixel may be formed on the silicon substrate.
- the silicon substrate may be provided with a base layer for improving adhesion with the upper layer, preventing substance diffusion, or flattening the substrate surface.
- the surface contact angle of the underlayer is preferably 20 to 70° when measured with diiodomethane. Further, it is preferable that the angle is 30 to 80° when measured with water.
- a known method can be used to apply the coloring composition.
- dropping method drop casting
- slit coating method spray method; roll coating method; spin coating method; casting coating method; slit and spin method;
- inkjet for example, on-demand method, piezo method, thermal method
- ejection printing such as nozzle jet, flexo printing, screen printing, gravure printing, reverse offset printing, metal mask printing, etc.
- Examples include various printing methods; transfer method using a mold, etc.; nanoimprint method, etc.
- the application method for inkjet is not particularly limited, and for example, the method shown in "Expanding and Usable Inkjet - Infinite Possibilities Seen in Patents," Published February 2005, Sumibe Techno Research (especially from page 115).
- the colored composition layer formed on the support may be dried (prebaked). If the film is manufactured by a low-temperature process, prebaking may not be performed.
- the prebaking temperature is preferably 150°C or lower, more preferably 120°C or lower, and even more preferably 110°C or lower.
- the lower limit can be, for example, 50°C or higher, or 80°C or higher.
- the prebake time is preferably 10 to 300 seconds, more preferably 40 to 250 seconds, even more preferably 80 to 220 seconds. Prebaking can be performed on a hot plate, oven, or the like.
- the colored composition layer is exposed in a pattern (exposure step).
- the colored composition layer can be exposed in a pattern by exposing it to light through a mask having a predetermined mask pattern using a stepper exposure machine, a scanner exposure machine, or the like. This allows the exposed portion to be cured.
- Radiation (light) that can be used during exposure includes g-line, i-line, etc. Furthermore, light with a wavelength of 300 nm or less (preferably light with a wavelength of 180 to 300 nm) can also be used. Examples of light with a wavelength of 300 nm or less include KrF rays (wavelength 248 nm), ArF rays (wavelength 193 nm), and KrF rays (wavelength 248 nm). Furthermore, a long-wave light source of 300 nm or more can also be used. As a light source, an electrodeless ultraviolet lamp system, a hybrid ultraviolet and infrared curing can be used.
- pulse exposure is an exposure method in which exposure is performed by repeating light irradiation and pauses in short cycles (for example, on the millisecond level or less).
- the irradiation amount is, for example, preferably 0.03 to 2.5 J/cm 2 , more preferably 0.05 to 1.0 J/cm 2 .
- the oxygen concentration during exposure can be appropriately selected, and in addition to being carried out in the atmosphere, for example, in a low oxygen atmosphere with an oxygen concentration of 19% by volume or less (for example, 15% by volume, 5% by volume, or substantially
- the exposure may be performed in an oxygen-free atmosphere (without oxygen), or in a high oxygen atmosphere where the oxygen concentration exceeds 21 volume % (for example, 22 volume %, 30 volume %, or 50 volume %).
- the exposure illuminance can be set as appropriate, and is usually selected from the range of 1000W/m 2 to 100000W/m 2 (for example, 5000W/m 2 , 15000W/m 2 , or 35000W/m 2 ). Can be done.
- the oxygen concentration and the exposure illuminance may be appropriately combined.
- the illuminance may be 10,000 W/m 2 when the oxygen concentration is 10% by volume, and 20,000 W/m 2 when the oxygen concentration is 35% by volume.
- the unexposed portions of the colored composition layer are developed and removed to form a pattern (pixel).
- the unexposed areas of the colored composition layer can be removed by development using a developer.
- the unexposed portions of the colored composition layer in the exposure step are eluted into the developer, leaving only the photocured portions.
- the temperature of the developer is preferably, for example, 20 to 30°C.
- the development time is preferably 20 to 180 seconds. Furthermore, in order to improve the ability to remove residues, the process of shaking off the developer every 60 seconds and supplying a new developer may be repeated several times.
- Examples of the developer include organic solvents, alkaline developers, and alkaline developers are preferably used.
- an alkaline aqueous solution (alkaline developer) prepared by diluting an alkaline agent with pure water is preferable.
- alkaline agents include ammonia, ethylamine, diethylamine, dimethylethanolamine, diglycolamine, diethanolamine, hydroxyamine, ethylenediamine, tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, and tetrabutylammonium hydroxide.
- ethyltrimethylammonium hydroxide ethyltrimethylammonium hydroxide
- benzyltrimethylammonium hydroxide dimethylbis(2-hydroxyethyl)ammonium hydroxide
- choline pyrrole
- piperidine 1,8-diazabicyclo-[5.4.0]-7-undecene
- alkali agent compounds with a large molecular weight are preferable from the environmental and safety standpoints.
- the concentration of the alkaline agent in the alkaline aqueous solution is preferably 0.001 to 10% by mass, more preferably 0.01 to 1% by mass.
- the developer may further contain a surfactant.
- the developing solution may be manufactured as a concentrated solution and then diluted to a required concentration before use.
- the dilution ratio is not particularly limited, but can be set, for example, in the range of 1.5 to 100 times. It is also preferable to wash (rinse) with pure water after development. Further, rinsing is preferably performed by supplying a rinsing liquid to the developed colored composition layer while rotating the support on which the developed colored composition layer is formed.
- the nozzle that discharges the rinsing liquid from the center of the support it is also preferable to move the nozzle that discharges the rinsing liquid from the center of the support to the peripheral edge of the support.
- the nozzle may be moved while gradually decreasing its moving speed.
- Additional exposure processing and post-bake are post-development curing processing to complete curing.
- the heating temperature in post-baking is, for example, preferably 100 to 240°C, more preferably 200 to 240°C.
- Post-baking can be carried out in a continuous or batch manner using a heating means such as a hot plate, convection oven (hot air circulation dryer), or high-frequency heater to maintain the developed film under the above conditions.
- the light used for exposure is preferably light with a wavelength of 400 nm or less. Further, the additional exposure process may be performed by the method described in Korean Patent Publication No. 10-2017-0122130.
- Pattern formation by the dry etching method includes the steps of forming a colored composition layer on a support using the colored composition of the present invention, and curing the entire colored composition layer to form a cured product layer; A step of forming a photoresist layer on this cured material layer, a step of exposing the photoresist layer in a pattern and then developing it to form a resist pattern, and etching the cured material layer using this resist pattern as a mask. It is preferable to include a step of dry etching using gas. In forming the photoresist layer, it is preferable to further perform a prebaking process.
- optical filter of the present invention has the film of the present invention described above.
- Types of optical filters include color filters and infrared transmission filters, and color filters are preferred.
- the color filter has the film of the present invention as its colored pixels.
- the film thickness of the film of the present invention can be adjusted as appropriate depending on the purpose.
- the film thickness is preferably 20 ⁇ m or less, more preferably 10 ⁇ m or less, and even more preferably 5 ⁇ m or less.
- the lower limit of the film thickness is preferably 0.1 ⁇ m or more, more preferably 0.2 ⁇ m or more, and even more preferably 0.3 ⁇ m or more.
- the width of the pixels included in the optical filter is preferably 0.4 to 10.0 ⁇ m.
- the lower limit is preferably 0.4 ⁇ m or more, more preferably 0.5 ⁇ m or more, and even more preferably 0.6 ⁇ m or more.
- the upper limit is preferably 5.0 ⁇ m or less, more preferably 2.0 ⁇ m or less, even more preferably 1.0 ⁇ m or less, and even more preferably 0.8 ⁇ m or less.
- the Young's modulus of the pixel is preferably 0.5 to 20 GPa, more preferably 2.5 to 15 GPa.
- each pixel included in the optical filter has high flatness.
- the surface roughness Ra of the pixel is preferably 100 nm or less, more preferably 40 nm or less, and even more preferably 15 nm or less. Although the lower limit is not specified, it is preferably 0.1 nm or more, for example.
- the surface roughness of a pixel can be measured using, for example, an AFM (atomic force microscope) Dimension 3100 manufactured by Veeco.
- the contact angle of water on the pixel can be set to a suitable value, but is typically in the range of 50 to 110°. The contact angle can be measured using, for example, a contact angle meter CV-DT-A type (manufactured by Kyowa Interface Science Co., Ltd.).
- the volume resistance value of the pixel is high.
- the volume resistance value of the pixel is preferably 10 9 ⁇ cm or more, more preferably 10 11 ⁇ cm or more.
- the upper limit is not specified, it is preferably 10 14 ⁇ cm or less, for example.
- the volume resistance value of a pixel can be measured using an ultra-high resistance meter 5410 (manufactured by Advantest).
- a protective layer may be provided on the surface of the film of the present invention.
- various functions such as oxygen blocking, low reflection, hydrophilic and hydrophobic properties, and shielding of light of a specific wavelength (ultraviolet rays, near infrared rays, etc.) can be imparted.
- the thickness of the protective layer is preferably 0.01 to 10 ⁇ m, more preferably 0.1 to 5 ⁇ m.
- Examples of the method for forming the protective layer include a method of applying a composition for forming the protective layer, a chemical vapor deposition method, and a method of pasting a molded resin with an adhesive.
- Components constituting the protective layer include (meth)acrylic resin, ene thiol resin, polycarbonate resin, polyether resin, polyarylate resin, polysulfone resin, polyethersulfone resin, polyphenylene resin, polyarylene ether phosphine oxide resin, polyimide.
- Resin polyamideimide resin, polyolefin resin, cyclic olefin resin, polyester resin, styrene resin, polyol resin, polyvinylidene chloride resin, melamine resin, urethane resin, aramid resin, polyamide resin, alkyd resin, epoxy resin, modified silicone resin, fluorine Examples include resin, polyacrylonitrile resin, cellulose resin, Si, C, W, Al 2 O 3 , Mo, SiO 2 , Si 2 N 4 and the like, and two or more of these components may be contained.
- the protective layer preferably contains a polyol resin, SiO 2 and Si 2 N 4 .
- the protective layer preferably contains a (meth)acrylic resin and a fluororesin.
- the protective layer may contain organic/inorganic fine particles, absorbers for light of specific wavelengths (e.g., ultraviolet rays, near-infrared rays, etc.), refractive index adjusters, antioxidants, adhesives, surfactants, and other additives, as necessary. It may contain.
- organic/inorganic fine particles include polymer fine particles (e.g., silicone resin fine particles, polystyrene fine particles, melamine resin fine particles), titanium oxide, zinc oxide, zirconium oxide, indium oxide, aluminum oxide, titanium nitride, titanium oxynitride. , magnesium fluoride, hollow silica, silica, calcium carbonate, barium sulfate, and the like.
- the absorber for light of a specific wavelength a known absorber can be used.
- the content of these additives can be adjusted as appropriate, but is preferably 0.1 to 70% by weight, more preferably 1 to 60% by weight, based on the total weight of the protective layer.
- the protective layer the protective layers described in paragraph numbers 0073 to 0092 of JP-A No. 2017-151176 can also be used.
- the optical filter may have a structure in which each pixel is embedded in a space partitioned into a lattice shape by partition walls, for example.
- the solid-state imaging device of the present invention has the film of the present invention described above.
- the configuration of the solid-state image sensor is not particularly limited as long as it functions as a solid-state image sensor, but examples include the following configurations.
- the substrate has a plurality of photodiodes that constitute the light receiving area of a solid-state image sensor (CCD (charge-coupled device) image sensor, CMOS (complementary metal oxide semiconductor) image sensor, etc.) and a transfer electrode made of polysilicon or the like.
- a device protective film made of silicon nitride or the like is formed on the light-shielding film to cover the entire surface of the light-shielding film and the light-receiving part of the photodiode. It has a configuration in which a color filter is provided on the device protective film.
- the color filter may have a structure in which each colored pixel is embedded in a space partitioned into, for example, a lattice shape by partition walls.
- the partition wall preferably has a lower refractive index than each colored pixel. Examples of imaging devices having such a structure include devices described in Japanese Patent Application Publication No. 2012-227478, Japanese Patent Application Publication No. 2014-179577, and International Publication No.
- an ultraviolet absorbing layer may be provided within the structure of the solid-state image sensor to improve light resistance.
- An imaging device equipped with the solid-state imaging device of the present invention can be used not only as a digital camera or an electronic device having an imaging function (such as a mobile phone), but also as a vehicle-mounted camera or a surveillance camera.
- the image display device of the present invention has the film of the present invention described above.
- Examples of the image display device include a liquid crystal display device and an organic electroluminescence display device.
- Examples of an image display device and details of each image display device see, for example, “Electronic Display Devices (written by Akio Sasaki, Kogyo Chosenkai Co., Ltd., published in 1990)” and “Display Devices (written by Junaki Ibuki, published by Sangyo Tosho)”. Co., Ltd., issued in 1989).
- liquid crystal display devices are described, for example, in "Next Generation Liquid Crystal Display Technology (edited by Tatsuo Uchida, published by Kogyo Chosenkai Co., Ltd., 1994)".
- Next Generation Liquid Crystal Display Technology edited by Tatsuo Uchida, published by Kogyo Chosenkai Co., Ltd., 1994.
- the present invention can be applied to various types of liquid crystal display devices described in the above-mentioned "Next Generation Liquid Crystal Display Technology.”
- Colorants 1 to 290 used in the following examples are as follows.
- metal azo colorants 1 to 3 are mixtures of 1:1 (molar ratio) of melamine and compounds in which the metal atoms listed in the table below are coordinated with the ligands listed in the table below. be.
- the compound described in the column of ligand is a compound having the structure shown as a specific example of the specific azo compound that coordinates to a metal atom in the above-mentioned specific metal azo colorant.
- Colorant Colorant 1-290 Colorant 1-290 mentioned above PY150:C.
- Pigment Yellow 150 (yellow pigment, azobarbituric pigment) PY129:C.
- Pigment Yellow 129 (yellow pigment, azomethine pigment) PY138:C.
- Pigment Yellow 138 (yellow pigment, quinophthalone pigment) PY185:C.
- Pigment Yellow 185 (yellow pigment, isoindoline pigment)
- Pigment Yellow 139 (yellow pigment, isoindoline pigment) PG36:C.
- Pigment Green 36 green pigment, phthalocyanine pigment
- Pigment Green 58 green pigment, phthalocyanine pigment PR177:C.
- Pigment Red 177 red pigment, anthraquinone pigment
- PR254 red pigment, diketopyrrolopyrrole pigment
- PR264 red pigment, diketopyrrolopyrrole pigment
- PO71 C.
- I. Pigment Orange 71 range pigment, diketopyrrolopyrrole pigment
- Pigment derivative Compound with the following structure (basic pigment derivative)
- Pigment derivative B Compound with the following structure (acidic pigment derivative)
- Dispersant 1 Resin with the following structure (weight average molecular weight 24,000, the number appended to the main chain is the number of moles, and the number appended to the side chain is the number of repeating units.)
- Dispersant 2 Resin with the following structure (weight average molecular weight 23,000, the number appended to the main chain is the number of moles, and the number appended to the side chain is the number of repeating units.)
- Dispersant 4 Resin with the following structure (weight average molecule 15,000, the number added to the main chain is the number of moles, and the number added to the side chain is the number of repeating units.)
- Each colored composition was stored at -20°C for 360 days.
- the dispersion after storage was applied onto a glass substrate with an undercoat layer using a spin coater so that the film thickness after prebaking was 1.0 ⁇ m, and prebaking was performed for 120 seconds using a 100°C hot plate to form a film. Formed.
- the obtained film was evaluated by observing a 1 cm square part with an optical microscope and counting the number of crystal defects with a size of 0.5 ⁇ m or more. 5: Number of defects is 0 4: Number of defects is 1 to 3 3: Number of defects is 4 to 6 2: Number of defects is 7 to 9 1: Number of defects is 10 or more
- Each colored composition was spin-coated onto an 8-inch (20.32 cm) glass substrate, and then preheated (prebaked) at 100° C. for 120 seconds. Then, it was heated (post-baked) at 200° C. for 30 minutes to produce a film with a thickness of 0.8 ⁇ m.
- the color difference before and after the light irradiation was measured using a color meter MCPD-1000 (manufactured by Otsuka Electronics Co., Ltd.). The ⁇ Eab value was measured. A smaller ⁇ Eab value indicates better light resistance.
- ⁇ Eab value is a value obtained from the following color difference formula based on the CIE1976 (L*, a*, b*) space color system (edited by the Color Society of Japan, New Edition Color Science Handbook (1985) p. 266) .
- ⁇ Eab ⁇ ( ⁇ L*) 2 + ( ⁇ a*) 2 + ( ⁇ b*) 2 ⁇ 1/2
- the Examples had better evaluations for Defect 1 and Defect 2 than the Comparative Examples. Furthermore, the evaluation of light resistance was also good.
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Abstract
Description
上記着色剤は、金属原子に、式(I)~(III)で表される化合物およびそれらの互変異性構造の化合物からなる群より選ばれる少なくとも1種のアゾ化合物が配位している金属アゾ着色剤を含む、着色組成物;
X1~X4はそれぞれ独立して=Oまたは=Sを表し、
Y1およびY2は、それぞれ独立して-OHまたは-SHを表す;
ただし、X1~X4の少なくとも一つは=Sであるか、R1~R4の少なくとも一つは置換基であるか、またはY1およびY2の少なくとも一つが-SHである;
式(II)中、R11およびR12は、それぞれ独立して水素原子または置換基を表し、
X12およびX14は、それぞれ独立して=Oまたは=Sを表し、
X11およびX13は、それぞれ独立して-ORX11、-SRX12または-NRX13RX14を表し、RX11~RX14はそれぞれ独立して水素原子または置換基を表し、RX13とRX14は結合して環を形成していてもよく、
Y11およびY12は、それぞれ独立して-OHまたは-SHを表す;
式(III)中、R21~R23は、それぞれ独立して水素原子または置換基を表し、
X21、X22およびX24は、それぞれ独立して=Oまたは=Sを表し、
X23は、-ORX21、-SRX22または-NRX23RX24を表し、RX21~RX24はそれぞれ独立して水素原子または置換基を表し、RX23とRX24は結合して環を形成していてもよく、
Y21およびY22は、それぞれ独立して-OHまたは-SHを表す。
<2> 上記金属原子は、Cu、Zn、Co、Mg、CaおよびMnからなる群より選ばれる少なくとも1種である、<1>に記載の着色組成物。
<3> 上記着色剤は、上記アゾ化合物が配位する金属原子の異なる金属アゾ着色剤を2種以上含む、<1>または<2>に記載の着色組成物。
<4> 上記金属アゾ着色剤中の全金属原子に対するNiの含有量が70モル%以下である、<1>~<3>のいずれか1つに記載の着色組成物。
<5> 上記金属アゾ着色剤は、更に、式(1)で表される化合物を含む、<1>~<4>のいずれか1つに記載の着色組成物;
<6> 上記金属アゾ着色剤が顔料であり、
上記着色組成物は更に、顔料誘導体を含む、<1>~<5>のいずれか1つに記載の着色組成物。
<7> 上記着色剤は、更に、フタロシアニン化合物、ジケトピロロピロール化合物、イソインドリン化合物およびキナクリドン化合物からなる群より選ばれる少なくとも1種を含む、<1>~<6>のいずれか1つに記載の着色組成物。
<8> 更に、重合性化合物と、光重合開始剤とを含む、<1>~<7>のいずれか1つに記載の着色組成物。
<9> カラーフィルタ用である、<1>~<8>のいずれか1つに記載の着色組成物。
<10> <1>~<9>のいずれか1つに記載の着色組成物から得られる膜。
<11> <10>に記載の膜を有する光学フィルタ。
<12> <10>に記載の膜を有する固体撮像素子。
<13> <10>に記載の膜を有する画像表示装置。
本明細書において、「~」とはその前後に記載される数値を下限値および上限値として含む意味で使用される。
本明細書における基(原子団)の表記において、置換および無置換を記していない表記は、置換基を有さない基(原子団)と共に置換基を有する基(原子団)をも包含する。例えば、「アルキル基」とは、置換基を有さないアルキル基(無置換アルキル基)のみならず、置換基を有するアルキル基(置換アルキル基)をも包含する。
本明細書において「露光」とは、特に断らない限り、光を用いた露光のみならず、電子線、イオンビーム等の粒子線を用いた描画も露光に含める。また、露光に用いられる光としては、水銀灯の輝線スペクトル、エキシマレーザに代表される遠紫外線、極紫外線(EUV光)、X線、電子線等の活性光線または放射線が挙げられる。
本明細書において、「(メタ)アクリレート」は、アクリレートおよびメタクリレートの双方、または、いずれかを表し、「(メタ)アクリル」は、アクリルおよびメタクリルの双方、または、いずれかを表し、「(メタ)アクリロイル」は、アクリロイルおよびメタクリロイルの双方、または、いずれかを表す。
本明細書において、構造式中のMeはメチル基を表し、Etはエチル基を表し、Buはブチル基を表し、Hexはヘキシル基を表し、Phはフェニル基を表す。
本明細書において、重量平均分子量および数平均分子量は、GPC(ゲルパーミエーションクロマトグラフィ)法により測定したポリスチレン換算値である。
本明細書において、全固形分とは、組成物の全成分から溶剤を除いた成分の総質量をいう。
本明細書において、顔料とは、溶剤に対して溶解しにくい化合物を意味する。
本明細書において「工程」との語は、独立した工程だけではなく、他の工程と明確に区別できない場合であってもその工程の所期の作用が達成されれば、本用語に含まれる。
本発明の着色組成物は、樹脂と、溶剤とを含む着色組成物であって、
上記着色剤は、金属原子に、式(I)~(III)で表される化合物およびそれらの互変異性構造の化合物からなる群より選ばれる少なくとも1種のアゾ化合物が配位している金属アゾ着色剤を含むことを特徴とする。
本発明の着色組成物は着色剤を含有する。本発明の着色組成物に含まれる着色剤には、以下に示す特定金属アゾ着色剤を含むものが用いられる。
本発明の着色組成物は、金属原子に、式(I)~(III)で表される化合物およびそれらの互変異性構造の化合物からなる群より選ばれる少なくとも1種のアゾ化合物が配位している金属アゾ着色剤(特定金属アゾ着色剤)を含む。以下、式(I)~(III)で表される化合物およびそれらの互変異性構造の化合物を特定アゾ化合物ともいう。
X1~X4の組み合わせの好ましい一態様として、X1~X4が=Oである態様が挙げられる。ただし、この場合には、R1~R4の少なくとも一つは置換基であるか、またはY1およびY2の少なくとも一つが-SHである。
別の好ましい態様として、X1およびX2のいずれか一方が=Oで、他方が=Sであり、かつ、X3およびX4のいずれか一方が=Oで、他方が=Sである態様が挙げられる。
別の好ましい態様として、X1およびX2が=Sであり、かつ、X3およびX4のいずれか一方が=Oで、他方が=Sである態様が挙げられる。
別の好ましい態様として、X3およびX4が=Sであり、かつ、X1およびX2のいずれか一方が=Oで、他方が=Sである態様が挙げられる。
別の好ましい態様として、X1およびX2が=Oであり、かつ、X3およびX4のいずれか一方が=Oで、他方が=Sである態様が挙げられる。
別の好ましい態様として、X3およびX4が=Oであり、かつ、X1およびX2のいずれか一方が=Oで、他方が=Sである態様が挙げられる。
別の好ましい態様として、X1~X4が=Sである態様が挙げられる。
Y1とY2の組み合わせの好ましい一態様として、Y1およびY2が-OHである態様が挙げられる。ただし、この場合は、X1~X4の少なくとも一つは=Sであるか、または、R1~R4の少なくとも一つは置換基である。
別の好ましい態様として、Y1およびY2が、それぞれ-SHである態様が挙げられる。
別の好ましい態様として、Y1およびY2のいずれか一方がOHで、他方がSHである態様が挙げられる。
また、R1~R4の少なくとも一つが置換基である場合、R1~R4の少なくとも一つは、ハロゲン原子、アルキル基、アリール基、複素環基またはアシル基であることが好ましい。
X11およびX13は、それぞれ独立して-ORX11、-SRX12または-NRX13RX14を表し、RX11~RX14はそれぞれ独立して水素原子または置換基を表し、RX13とRX14は結合して環を形成していてもよい。
上記アルキル基の炭素数は、1~10が好ましく、1~5がより好ましく、得られる膜の耐光性や耐熱性をより向上できるという理由から1~3が更に好ましく、1であることが特に好ましい。アルキル基は、直鎖、分岐、環状のいずれでもよく、直鎖または分岐が好ましく、直鎖がより好ましい。アルキル基は、置換基を有していてもよい。置換基としては、ハロゲン原子、アルコキシ基、アリール基、複素環基、アミノ基などが挙げられる。
上記アリール基の炭素数は、6~20が好ましく、6~12がより好ましく、6が更に好ましい。アリール基は、置換基を有していてもよい。置換基としては、ハロゲン原子、アルキル基、アルコキシ基、複素環基、アミノ基などが挙げられる。
上記複素環基は、5員環または6員環が好ましい。複素環基が有するヘテロ原子は、酸素原子、窒素原子および硫黄原子が好ましい。複素環基が有するヘテロ原子の数は、1~3個が好ましい。複素環基は、置換基を有していてもよい。置換基としては、ハロゲン原子、アルキル基、アルコキシ基、アリール基、複素環基、アミノ基などが挙げられる。
別の好ましい態様として、X12およびX14が=Oで、X11およびX13がそれぞれ独立して-SRX12である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Oで、X11およびX13がそれぞれ独立して-NRX13RX14である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Oで、X11およびX13のいずれか一方が-ORX11で、他方が-SRX12である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Oで、X11およびX13のいずれか一方が-ORX11で、他方が-NRX13RX14である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Oで、X11およびX13のいずれか一方が-SRX12で、他方が-NRX13RX14である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13がそれぞれ独立して-ORX11である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13がそれぞれ独立して-SRX12である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13がそれぞれ独立して-NRX13RX14である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13のいずれか一方が-ORX11で、他方が-SRX12である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13のいずれか一方が-ORX11で、他方が-NRX13RX14である態様が挙げられる。
別の好ましい態様として、X12およびX14が=Sで、X11およびX13のいずれか一方が-SRX12で、他方が-NRX13RX14である態様が挙げられる。
Y11とY12の組み合わせの好ましい一態様として、Y11およびY12が-OHである態様が挙げられる。
別の好ましい態様として、Y11およびY12が、それぞれ-SHである態様が挙げられる。
別の好ましい態様として、Y11およびY12のいずれか一方がOHで、他方がSHである態様が挙げられる。
X23は、-ORX21、-SRX22または-NRX23RX24を表し、RX21~RX24はそれぞれ独立して水素原子または置換基を表し、RX23とRX24は結合して環を形成していてもよい。RX21~RX24は、上述したRX11~RX14と同義であり、好ましい範囲も同様である。
別の好ましい態様として、X21、X22およびX24が=Oで、X23が、-SRX22である態様が挙げられる。
別の好ましい態様として、X21、X22およびX24が=Oで、X23が、-NRX23RX24である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Sで、X24が=Oで、X23が、-ORX21である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Sで、X24が=Oで、X23が、-SRX22である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Sで、X24が=Oで、X23が、-NRX23RX24である態様が挙げられる。
別の好ましい態様として、X21およびX22のいずれか一方が=Oで、他方が=Sであり、X24が=Oであり、X23が、-ORX21である態様が挙げられる。
別の好ましい態様として、X21およびX22のいずれか一方が=Oで、他方が=Sであり、X24が=Oであり、X23が、-SRX22である態様が挙げられる。
別の好ましい態様として、X21およびX22のいずれか一方が=Oで、他方が=Sであり、X24が=Oであり、X23が、-NRX23RX24である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Oで、X24が=Sで、X23が、-ORX21である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Oで、X24が=Sで、X23が、-SRX22である態様が挙げられる。
別の好ましい態様として、X21およびX22が=Oで、X24が=Sで、X23が、-NRX23RX24である態様が挙げられる。
Y21とY22の組み合わせの好ましい一態様として、Y21およびY22が-OHである態様が挙げられる。
別の好ましい態様として、Y21およびY22が、それぞれ-SHである態様が挙げられる。
別の好ましい態様として、Y21およびY22のいずれか一方がOHで、他方がSHである態様が挙げられる。
特定アゾ化合物の具体例としては、以下に示す構造の化合物およびそれらの互変異性構造の化合物が挙げられる。以下に示す構造式中、Meはメチル基を表し、Etはエチル基を表し、Buはブチル基を表し、Hexはヘキシル基を表す。
なお、金属原子に特定アゾ化合物が配位する際、特定アゾ化合物における金属原子との配位部については、水素原子が解離していてもよい。
好ましい一態様として、以下に示す(1)、(2)の態様が挙げられ、欠陥のより抑制された膜を形成できるという理由から(1)の態様であることが好ましい。
(1)Cu、Zn、Co、Mg、CaおよびMnからなる群より選ばれる少なくとも1種の金属原子に特定アゾ化合物が配位した金属アゾ着色剤であって、特定アゾ化合物が配位する金属原子の異なる金属アゾ着色剤を2種以上含む態様。
(2)Niに特定アゾ化合物が配位した特定金属アゾ着色剤と、Cu、Zn、Co、Mg、CaおよびMnからなる群より選ばれる少なくとも1種の金属原子に、特定アゾ化合物が配位した特定金属アゾ着色剤とを含む態様。
本発明の着色組成物に含まれる着色剤は、上述した特定金属アゾ着色剤以外の着色剤(以下、他の着色剤ともいう)をさらに含有することができる。
また、緑色着色剤100質量部に対して特定金属アゾ着色剤(特定金属アゾ着色剤の他に更に、特定金属アゾ着色剤以外の黄色着色剤を含む場合には、特定金属アゾ着色剤と特定金属アゾ着色剤以外の黄色着色剤との合計量)が1~70質量部であることが好ましく、10~60質量部であることがより好ましい。
また、着色剤中における特定金属アゾ着色剤と、特定金属アゾ着色剤以外の黄色着色剤と、緑色着色剤との合計の含有量は、20~100質量%であることが好ましく、50~100質量%であることがより好ましく、80~100質量%であることが更に好ましく、90~100質量%であることが特に好ましい。
また、着色剤中における特定金属アゾ着色剤の含有量は、1~80質量%であることが好ましい。上限は、75質量%以下であることが好ましく、70質量%以下であることがより好ましい。下限は、10質量%以上であることが好ましく、30質量%以上であることがより好ましい。
また、赤色着色剤とオレンジ色着色剤との合計100質量部に対して特定金属アゾ着色剤(特定金属アゾ着色剤の他に更に、特定金属アゾ着色剤以外の黄色着色剤を含む場合には、特定金属アゾ着色剤と特定金属アゾ着色剤以外の黄色着色剤との合計量)が1~70質量部であることが好ましく、10~60質量部であることがより好ましい。
また、着色剤中における特定金属アゾ着色剤と、特定金属アゾ着色剤以外の黄色着色剤と、赤色着色剤と、オレンジ色着色剤との合計の含有量は、20~100質量%であることが好ましく、50~100質量%であることがより好ましく、80~100質量%であることが更に好ましく、90~100質量%であることが特に好ましい。
また、着色剤中における特定金属アゾ着色剤の含有量は、1~80質量%であることが好ましい。上限は、75質量%以下であることが好ましく、70質量%以下であることがより好ましい。下限は、10質量%以上であることが好ましく、30質量%以上であることがより好ましい。
本発明の着色組成物は、顔料誘導体を含有することができる。顔料誘導体は例えば分散助剤として用いられる。分散助剤とは、着色組成物中において顔料の分散性を高めるための素材のことである。顔料誘導体としては、色素構造およびトリアジン構造からなる群より選ばれる少なくとも1種の構造と、酸基または塩基性基とを有する化合物が挙げられる。
また、顔料誘導体の含有量は、上述した特定金属アゾ着色剤100質量部に対して1~30質量部が好ましく、3~20質量部がより好ましい。
本発明の着色組成物は、顔料誘導体を1種のみ含んでいてもよいし、2種以上含んでいてもよい。顔料誘導体を2種以上含む場合は、それらの合計量が上記範囲となることが好ましい。
本発明の着色組成物は樹脂を含有する。樹脂は、例えば、顔料等を着色組成物中で分散させる用途や、バインダーの用途で配合される。なお、主に顔料等を着色組成物中で分散させるために用いられる樹脂を分散剤ともいう。ただし、樹脂のこのような用途は一例であって、このような用途以外を目的として樹脂を使用することもできる。
式(a-2)中、Ra11は、水素原子、ヒドロキシ基、アルキル基、アルコキシ基、アリール基、アリールオキシ基、アシル基またはオキシラジカルを表し、Ra12~Ra19は、それぞれ独立して、水素原子、アルキル基またはアリール基を表す。
式(Ac-2)中、Ar10は芳香族カルボキシ基を含む基を表し、L11は、-COO-または-CONH-を表し、L12は3価の連結基を表し、P10はポリマー鎖を表す。
式(Ar-12)中、n2は1~8の整数を表し、1~4の整数であることが好ましく、1または2であることがより好ましく、2であることが更に好ましい。
式(Ar-13)中、n3およびn4はそれぞれ独立して0~4の整数を表し、0~2の整数であることが好ましく、1または2であることがより好ましく、1であることが更に好ましい。ただし、n3およびn4の少なくとも一方は1以上の整数である。
式(Ar-13)中、Q1は、単結合、-O-、-CO-、-COOCH2CH2OCO-、-SO2-、-C(CF3)2-、上記式(Q-1)で表される基または上記式(Q-2)で表される基を表す。
式(Ar-11)~(Ar-13)中、*1はL1との結合位置を表す。
また、着色組成物の全固形分中における酸基を有する樹脂の含有量は、1~60質量%であることが好ましい。下限は5質量%以上が好ましく、10質量%以上がより好ましく、15質量%以上が更に好ましく、20質量%以上が特に好ましい。上限は50質量%以下が好ましく、40質量%以下がより好ましい。
本発明の着色組成物は、樹脂を1種のみ含んでいてもよいし、2種以上含んでいてもよい。樹脂を2種以上含む場合は、それらの合計量が上記範囲となることが好ましい。
本発明の着色組成物は溶剤を含有する。溶剤としては、有機溶剤が挙げられる。溶剤の種類は、各成分の溶解性や組成物の塗布性を満足すれば基本的には特に制限はない。有機溶剤としては、エステル系溶剤、ケトン系溶剤、アルコール系溶剤、アミド系溶剤、エーテル系溶剤、炭化水素系溶剤などが挙げられる。これらの詳細については、国際公開第2015/166779号の段落番号0223を参酌でき、この内容は本明細書に組み込まれる。また、環状アルキル基が置換したエステル系溶剤、環状アルキル基が置換したケトン系溶剤も好ましく用いることもできる。有機溶剤の具体例としては、ポリエチレングリコールモノメチルエーテル、ジクロロメタン、3-エトキシプロピオン酸メチル、3-エトキシプロピオン酸エチル、エチルセロソルブアセテート、乳酸エチル、ジエチレングリコールジメチルエーテル、酢酸ブチル、3-メトキシプロピオン酸メチル、2-ヘプタノン、3-ペンタノン、4-ヘプタノン、シクロヘキサノン、2-メチルシクロヘキサノン、3-メチルシクロヘキサノン、4-メチルシクロヘキサノン、シクロヘプタノン、シクロオクタノン、酢酸シクロヘキシル、シクロペンタノン、エチルカルビトールアセテート、ブチルカルビトールアセテート、プロピレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテルアセテート、3-メトキシ-N,N-ジメチルプロパンアミド、3-ブトキシ-N,N-ジメチルプロパンアミド、プロピレングリコールジアセテート、3-メトキシブタノール、メチルエチルケトン、ガンマブチロラクトン、スルホラン、アニソール、1,4-ジアセトキシブタン、ジエチレングリコールモノエチルエーテルアセタート、二酢酸ブタン-1,3-ジイル、ジプロピレングリコールメチルエーテルアセタート、ジアセトンアルコール(別名としてダイアセトンアルコール、4-ヒドロキシ-4-メチル-2-ペンタノン)、2-メトキシプロピルアセテート、2-メトキシ-1-プロパノール、イソプロピルアルコールなどが挙げられる。ただし有機溶剤としての芳香族炭化水素類(ベンゼン、トルエン、キシレン、エチルベンゼン等)は、環境面等の理由により低減したほうがよい場合がある(例えば、有機溶剤全量に対して、50質量ppm(parts per million)以下とすることもでき、10質量ppm以下とすることもでき、1質量ppm以下とすることもできる)。
本発明の着色組成物は、重合性化合物を含有することが好ましい。重合性化合物としては、ラジカル、酸または熱により架橋可能な公知の化合物を用いることができる。重合性化合物は、エチレン性不飽和結合含有基を有する化合物であることが好ましい。エチレン性不飽和結合含有基としては、ビニル基、(メタ)アリル基、(メタ)アクリロイル基などが挙げられる。本発明で用いられる重合性化合物は、ラジカル重合性化合物であることが好ましい。
本発明の着色組成物は光重合開始剤を含有することが好ましい。光重合開始剤としては、特に制限はなく、公知の光重合開始剤の中から適宜選択することができる。例えば、紫外線領域から可視領域の光線に対して感光性を有する化合物が好ましい。光重合開始剤は、光ラジカル重合開始剤であることが好ましい。
本発明の着色組成物は、赤外線吸収剤を含有することができる。例えば、本発明の着色組成物を用いて赤外線透過フィルタを形成する場合においては、着色組成物中に赤外線吸収剤を含有させることで得られる膜について透過させる光の波長をより長波長側にシフトさせることができる。赤外線吸収剤は、極大吸収波長を波長700nmよりも長波長側に有する化合物であることが好ましい。赤外線吸収剤は波長700nmを超え1800nm以下の範囲に極大吸収波長を有する化合物であることが好ましい。また、赤外線吸収剤の波長500nmにおける吸光度A1と極大吸収波長における吸光度A2との比率A1/A2は、0.08以下であることが好ましく、0.04以下であることがより好ましい。
M1 aM2 bWcOd(P(O)nRm)e
M1、M2はアンモニウムカチオンまたは金属カチオンを表し、aは0.01~0.5であり、bは0~0.5であり、cは1であり、dは2.5~3であり、eは0.01~0.75であり、nは1、2または3であり、mは1、2または3であり、Rは、置換基を有していてもよい炭化水素基を表す。
本発明の着色組成物は、環状エーテル基を有する化合物を含有することができる。環状エーテル基としては、エポキシ基、オキセタニル基などが挙げられる。環状エーテル基を有する化合物は、エポキシ基を有する化合物(以下、エポキシ化合物ともいう)であることが好ましい。
本発明の着色組成物は、硬化促進剤を含有することができる。硬化促進剤としては、チオール化合物、メチロール化合物、アミン化合物、ホスホニウム塩化合物、アミジン塩化合物、アミド化合物、塩基発生剤、イソシアネート化合物、アルコキシシラン化合物、オニウム塩化合物などが挙げられる。硬化促進剤の具体例としては、国際公開第2018/056189号の段落番号0094~0097に記載の化合物、特開2015-034963号公報の段落番号0246~0253に記載の化合物、特開2013-041165号公報の段落番号0186~0251に記載の化合物、特開2014-055114号公報に記載のイオン性化合物、特開2012-150180号公報の段落番号0071~0080に記載の化合物、特開2011-253054号公報に記載のエポキシ基を有するアルコキシシラン化合物、特許第5765059号公報の段落番号0085~0092に記載の化合物、特開2017-036379号公報に記載のカルボキシ基含有エポキシ硬化剤、特開2021-181406号公報に記載の化合物などが挙げられる。着色組成物の全固形分中における硬化促進剤の含有量は0.3~8.9質量%が好ましく、0.8~6.4質量%がより好ましい。
本発明の着色組成物は、紫外線吸収剤を含有することができる。紫外線吸収剤としては、共役ジエン化合物、アミノジエン化合物、サリシレート化合物、ベンゾフェノン化合物、ベンゾトリアゾール化合物、アクリロニトリル化合物、ヒドロキシフェニルトリアジン化合物、インドール化合物、トリアジン化合物、ジベンゾイル化合物などが挙げられる。このような化合物の具体例としては、特開2009-217221号公報の段落番号0038~0052、特開2012-208374号公報の段落番号0052~0072、特開2013-068814号公報の段落番号0317~0334、特開2016-162946号公報の段落番号0061~0080に記載された化合物が挙げられ、これらの内容は本明細書に組み込まれる。紫外線吸収剤の具体例としては、下記構造の化合物などが挙げられる。紫外線吸収剤の市販品としては、例えば、UV-503(大東化学(株)製)、BASF社製のTinuvinシリーズ、Uvinul(ユビナール)シリーズ、住化ケムテックス(株)製のSumisorbシリーズなどが挙げられる。また、ベンゾトリアゾール化合物としては、ミヨシ油脂製のMYUAシリーズ(化学工業日報、2016年2月1日)が挙げられる。また、紫外線吸収剤は、特許第6268967号公報の段落番号0049~0059に記載された化合物、国際公開第2016/181987号の段落番号0059~0076に記載された化合物、国際公開第2020/137819号に記載されたチオアリール基置換ベンゾトリアゾール型紫外線吸収剤、特開2021-178918号公報に記載の反応性トリアジン紫外線吸収剤を用いることもできる。
本発明の着色組成物は、重合禁止剤を含有することができる。重合禁止剤としては、ハイドロキノン、p-メトキシフェノール、ジ-tert-ブチル-p-クレゾール、ピロガロール、tert-ブチルカテコール、ベンゾキノン、4,4’-チオビス(3-メチル-6-tert-ブチルフェノール)、2,2’-メチレンビス(4-メチル-6-t-ブチルフェノール)、N-ニトロソフェニルヒドロキシアミン塩(アンモニウム塩、第一セリウム塩等)が挙げられる。中でも、p-メトキシフェノールが好ましい。着色組成物の全固形分中における重合禁止剤の含有量は、0.0001~5質量%が好ましい。本発明の着色組成物は重合禁止剤を1種のみ含んでいてもよく、2種以上含んでいてもよい。重合禁止剤を2種以上含む場合は、それらの合計量が上記範囲となることが好ましい。
本発明の着色組成物は、シランカップリング剤を含有することができる。本明細書において、シランカップリング剤は、加水分解性基とそれ以外の官能基とを有するシラン化合物を意味する。また、加水分解性基とは、ケイ素原子に直結し、加水分解反応及び縮合反応の少なくともいずれかによってシロキサン結合を生じ得る置換基をいう。加水分解性基としては、例えば、ハロゲン原子、アルコキシ基、アシルオキシ基などが挙げられ、アルコキシ基が好ましい。すなわち、シランカップリング剤は、アルコキシシリル基を有する化合物が好ましい。また、加水分解性基以外の官能基としては、例えば、ビニル基、(メタ)アリル基、(メタ)アクリロイル基、メルカプト基、エポキシ基、オキセタニル基、アミノ基、ウレイド基、スルフィド基、イソシアネート基、フェニル基などが挙げられ、アミノ基、(メタ)アクリロイル基およびエポキシ基が好ましい。シランカップリング剤の具体例としては、N-β-アミノエチル-γ-アミノプロピルメチルジメトキシシラン(信越化学工業(株)製、商品名 KBM-602)、N-β-アミノエチル-γ-アミノプロピルトリメトキシシラン(信越化学工業(株)製、商品名 KBM-603)、N-β-アミノエチル-γ-アミノプロピルトリエトキシシラン(信越化学工業(株)製、商品名 KBE-602)、γ-アミノプロピルトリメトキシシラン(信越化学工業(株)製、商品名 KBM-903)、γ-アミノプロピルトリエトキシシラン(信越化学工業(株)製、商品名 KBE-903)、3-メタクリロキシプロピルメチルジメトキシシラン(信越化学工業(株)製、商品名 KBM-502)、3-メタクリロキシプロピルトリメトキシシラン(信越化学工業(株)製、商品名 KBM-503)等がある。また、シランカップリング剤の具体例については、特開2009-288703号公報の段落番号0018~0036に記載の化合物、特開2009-242604号公報の段落番号0056~0066に記載の化合物が挙げられ、これらの内容は本明細書に組み込まれる。着色組成物の全固形分中におけるシランカップリング剤の含有量は、0.01~15質量%であることが好ましく、0.05~10質量%であることがより好ましい。本発明の着色組成物はシランカップリング剤を1種のみ含んでいてもよく、2種以上含んでいてもよい。シランカップリング剤を2種以上含む場合は、それらの合計量が上記範囲となることが好ましい。
本発明の着色組成物は、界面活性剤を含有することができる。界面活性剤としては、フッ素系界面活性剤、ノニオン性界面活性剤、カチオン性界面活性剤、アニオン性界面活性剤、シリコーン系界面活性剤などの各種界面活性剤を使用することができる。界面活性剤はシリコーン系界面活性剤またはフッ素系界面活性剤であることが好ましい。界面活性剤については、国際公開第2015/166779号の段落番号0238~0245に記載された界面活性剤を参照することができ、この内容は本明細書に組み込まれる。
本発明の着色組成物は、酸化防止剤を含有することができる。酸化防止剤としては、フェノール化合物、亜リン酸エステル化合物、チオエーテル化合物などが挙げられる。フェノール化合物としては、フェノール系酸化防止剤として知られる任意のフェノール化合物を使用することができる。好ましいフェノール化合物としては、ヒンダードフェノール化合物が挙げられる。フェノール性ヒドロキシ基に隣接する部位(オルト位)に置換基を有する化合物が好ましい。前述の置換基としては炭素数1~22の置換又は無置換のアルキル基が好ましい。また、酸化防止剤は、同一分子内にフェノール基と亜リン酸エステル基を有する化合物も好ましい。また、酸化防止剤は、リン系酸化防止剤も好適に使用することができる。リン系酸化防止剤としてはトリス[2-[[2,4,8,10-テトラキス(1,1-ジメチルエチル)ジベンゾ[d,f][1,3,2]ジオキサホスフェピン-6-イル]オキシ]エチル]アミン、トリス[2-[(4,6,9,11-テトラ-tert-ブチルジベンゾ[d,f][1,3,2]ジオキサホスフェピン-2-イル)オキシ]エチル]アミン、亜リン酸エチルビス(2,4-ジ-tert-ブチル-6-メチルフェニル)などが挙げられる。酸化防止剤の市販品としては、例えば、アデカスタブ AO-20、アデカスタブ AO-30、アデカスタブ AO-40、アデカスタブ AO-50、アデカスタブ AO-50F、アデカスタブ AO-60、アデカスタブ AO-60G、アデカスタブ AO-80、アデカスタブ AO-330(以上、(株)ADEKA製)などが挙げられる。また、酸化防止剤は、特許第6268967号公報の段落番号0023~0048に記載された化合物、国際公開第2017/006600号に記載された化合物、国際公開第2017/164024号に記載された化合物、韓国公開特許第10-2019-0059371号公報に記載された化合物を使用することもできる。着色組成物の全固形分中における酸化防止剤の含有量は、0.01~20質量%であることが好ましく、0.3~15質量%であることがより好ましい。本発明の着色組成物は酸化防止剤を1種のみ含んでいてもよく、2種以上含んでいてもよい。酸化防止剤を2種以上含む場合は、それらの合計量が上記範囲となることが好ましい。
本発明の着色組成物は、必要に応じて、増感剤、硬化促進剤、フィラー、熱硬化促進剤、可塑剤及びその他の助剤類(例えば、導電性粒子、消泡剤、難燃剤、レベリング剤、剥離促進剤、香料、表面張力調整剤、連鎖移動剤など)を含有してもよい。これらの成分を適宜含有させることにより、膜物性などの性質を調整することができる。これらの成分は、例えば、特開2012-003225号公報の段落番号0183以降(対応する米国特許出願公開第2013/0034812号明細書の段落番号0237)の記載、特開2008-250074号公報の段落番号0101~0104、0107~0109等の記載を参酌でき、これらの内容は本明細書に組み込まれる。また、本発明の着色組成物は、必要に応じて、潜在酸化防止剤を含有してもよい。潜在酸化防止剤としては、酸化防止剤として機能する部位が保護基で保護された化合物であって、100~250℃で加熱するか、又は酸/塩基触媒存在下で80~200℃で加熱することにより保護基が脱離して酸化防止剤として機能する化合物が挙げられる。潜在酸化防止剤としては、国際公開第2014/021023号、国際公開第2017/030005号、特開2017-008219号公報に記載された化合物が挙げられる。潜在酸化防止剤の市販品としては、アデカアークルズGPA-5001((株)ADEKA製)等が挙げられる。
着色組成物の収容容器としては、特に限定はなく、公知の収容容器を用いることができる。また、収容容器として、原材料や着色組成物中への不純物混入を抑制することを目的に、容器内壁を6種6層の樹脂で構成する多層ボトルや6種の樹脂を7層構造にしたボトルを使用することも好ましい。このような容器としては例えば特開2015-123351号公報に記載の容器が挙げられる。また、容器内壁は、容器内壁からの金属溶出を防ぎ、着色組成物の経時安定性を高めたり、成分変質を抑制するなど目的で、ガラス製やステンレス製などにすることも好ましい。
本発明の着色組成物は、前述の成分を混合して調製できる。着色組成物の調製に際しては、全成分を同時に溶剤に溶解および/または分散して着色組成物を調製してもよいし、必要に応じて、各成分を適宜2つ以上の溶液または分散液としておいて、使用時(塗布時)にこれらを混合して着色組成物を調製してもよい。
本発明の膜は、上述した本発明の着色組成物から得られる膜である。本発明の膜は、カラーフィルタや赤外線透過フィルタなどの光学フィルタに用いることができる。
(1):膜の厚み方向における光透過率の、波長400~640nmの範囲における最大値が20%以下(好ましくは15%以下、より好ましくは10%以下)で、膜の厚み方向における光透過率の、波長800~1300nmの範囲における最小値が70%以上(好ましくは75%以上、より好ましくは80%以上)である。このような分光特性を有する膜は、波長400~640nmの範囲の光を遮光して、波長700nmを超える光を透過させることができる。
(2):膜の厚み方向における光透過率の、波長400~750nmの範囲における最大値が20%以下(好ましくは15%以下、より好ましくは10%以下)で、膜の厚み方向における光透過率の、波長900~1300nmの範囲における最小値が70%以上(好ましくは75%以上、より好ましくは80%以上)である膜。このような分光特性を有する膜は、波長400~750nmの範囲の光を遮光して、波長850nmを超える光を透過させることができる。
(3):膜の厚み方向における光透過率の、波長400~830nmの範囲における最大値が20%以下(好ましくは15%以下、より好ましくは10%以下)で、膜の厚み方向における光透過率の、波長1000~1300nmの範囲における最小値が70%以上(好ましくは75%以上、より好ましくは80%以上)である膜。このような分光特性を有する膜は、波長400~830nmの範囲の光を遮光して、波長940nmを超える光を透過させることができる。
(4):膜の厚み方向における光透過率の、波長400~950nmの範囲における最大値が20%以下(好ましくは15%以下、より好ましくは10%以下)で、膜の厚み方向における光透過率の、波長1100~1300nmの範囲における最小値が70%以上(好ましくは75%以上、より好ましくは80%以上)である膜。このような分光特性を有する膜は、波長400~950nmの範囲の光を遮光して、波長1040nmを超える光を透過させることができる。
次に、本発明の膜の製造方法について説明する。本発明の膜は、本発明の着色組成物を塗布する工程を経て製造できる。膜の製造方法においては、更にパターン(画素)を形成する工程を含むことが好ましい。パターン(画素)の形成方法としては、フォトリソグラフィ法、ドライエッチング法が挙げられ、フォトリソグラフィ法が好ましい。
本発明の光学フィルタは、上述した本発明の膜を有する。光学フィルタの種類としては、カラーフィルタおよび赤外線透過フィルタなどが挙げられ、カラーフィルタであることが好ましい。カラーフィルタは、その着色画素として本発明の膜を有することが好ましい。
本発明の固体撮像素子は、上述した本発明の膜を有する。固体撮像素子の構成としては、固体撮像素子として機能する構成であれば特に限定はないが、例えば、以下のような構成が挙げられる。
本発明の画像表示装置は、上述した本発明の膜を有する。画像表示装置としては、液晶表示装置や有機エレクトロルミネッセンス表示装置などが挙げられる。画像表示装置の定義や各画像表示装置の詳細については、例えば「電子ディスプレイデバイス(佐々木昭夫著、(株)工業調査会、1990年発行)」、「ディスプレイデバイス(伊吹順章著、産業図書(株)平成元年発行)」などに記載されている。また、液晶表示装置については、例えば「次世代液晶ディスプレイ技術(内田龍男編集、(株)工業調査会、1994年発行)」に記載されている。本発明が適用できる液晶表示装置に特に制限はなく、例えば、上記の「次世代液晶ディスプレイ技術」に記載されている色々な方式の液晶表示装置に適用できる。
以下の実施例で用いた着色剤1~290は、以下の通りである。なお、金属アゾ着色剤1~3は、それぞれ下記表に記載の金属原子に下記表に記載の配位子が配位している化合物と、メラミンとの1:1(モル比)の混合物である。配位子の欄に記載の化合物は、上述した特定金属アゾ着色剤において、金属原子に配位する特定アゾ化合物の具体例として示した構造の化合物である。
以下の原料を混合したのち、ビーズミル(ジルコニアビーズ0.3mm径)により3時間混合および分散した後、さらに、減圧機構付き高圧分散機NANO-3000-10(日本ビーイーイー(株)製)を用いて、2000kg/cm2の圧力下で流量500g/minとして分散処理を行なった。この分散処理を10回繰り返し、分散液を得た。
下記表に記載の着色剤・・・13.3質量部、
下記表に記載の顔料誘導体・・・1.5質量部、
下記表に記載の分散剤・・・5.2質量部
下記表に記載の溶剤・・・80質量部
着色剤1~290:上述した着色剤1~290
PY150:C.I.ピグメントイエロー150(黄色顔料、アゾバルビツール顔料)
PY129:C.I.ピグメントイエロー129(黄色顔料、アゾメチン顔料)
PY138:C.I.ピグメントイエロー138(黄色顔料、キノフタロン顔料)
PY185:C.I.ピグメントイエロー185(黄色顔料、イソインドリン顔料)
PY139:C.I.ピグメントイエロー139(黄色顔料、イソインドリン顔料)
PG36:C.I.ピグメントグリーン36(緑色顔料、フタロシアニン顔料)
PG58:C.I.ピグメントグリーン58(緑色顔料、フタロシアニン顔料)
PR177:C.I.ピグメントレッド177(赤色顔料、アントラキノン顔料)
PR254:C.I.ピグメントレッド254(赤色顔料、ジケトピロロピロール顔料)
PR264:C.I.ピグメントレッド264(赤色顔料、ジケトピロロピロール顔料)
PO71:C.I.ピグメントオレンジ71(オレンジ色顔料、ジケトピロロピロール顔料)
顔料誘導体A:下記構造の化合物(塩基性顔料誘導体)
分散剤1:下記構造の樹脂(重量平均分子量24000、主鎖に付記した数値はモル数であり、側鎖に付記した数値は繰り返し単位の数である。)
S-1:プロピレングリコールモノメチルエーテルアセテート(PGMEA)
下記表に記載の素材と、重合禁止剤としてp-メトキシフェノールの0.002質量部とを混合し、撹拌した後、孔径0.45μmのナイロン製フィルタ(日本ポール(株)製)を用いてろ過して着色組成物を製造した。
M-1:KAYARAD DPHA(日本化薬(株)製、ジペンタエリスリトールヘキサアクリレート、C=C当量=96)
M-2:NKエステル A-TMMT(新中村化学工業(株)製、ペンタエリスリトールテトラアクリレート、C=C当量=88)
M-3:NKエステル A-DPH-12E(新中村化学工業(株)製、エトキシ化ジペンタエリスリトールポリアクリレート(5官能アクリレートと6官能アクリレートの混合物)、C=C当量=182)
M-4:KAYARAD DPCA―20(日本化薬(株)製、ε-カプロラクトン変性ジペンタエリスリトールアクリレート、C=C当量=134)
M-5:アロニックス M-350(東亞合成(株)製、トリメチロールプロパンEO変性トリアクリレート、C=C当量=143)
P-1:下記構造の樹脂(重量平均分子量11000、主鎖に付記した数値はモル数である。C=C当量=705)の固形分40質量%PGMEA溶液
P-2:下記構造の樹脂(Mw=14,000、主鎖に付記した数値はモル数である。固形分40質量%のPGMEA溶液。C=C当量=0)の固形分40質量%のPGMEA溶液。
In-1:Irgacure OXE01(BASF社製、オキシム化合物)
In-2:Irgacure OXE02(BASF社製、オキシム化合物)
S-1:プロピレングリコールモノメチルエーテルアセテート
S-2:3-メトキシ-N,N-ジメチルプロパンアミド
各着色組成物を-20℃で360日保管した。保管後の分散液を下塗り層付ガラス基板上にプリベーク後の膜厚が1.0μmになるようにスピンコーターを用いて塗布し、100℃のホットプレートを用いて120秒間プリベークを行って膜を形成した。
得られた膜について、1cm四方の部分を光学顕微鏡で観察し、0.5μm以上のサイズの結晶状の欠陥の数をカウントして評価した。
5:欠陥の数が0個
4:欠陥の数が1~3個
3:欠陥の数が4~6個
2 :欠陥の数が7~9個
1:欠陥の数が10個以上
製造後1時間以内の各着色組成物を、下塗り層付ガラス基板上にプリベーク後の膜厚が1.0μmになるようにスピンコーターを用いて塗布し、100℃のホットプレートを用いて120秒間プリベークを行って膜を形成した。この膜を、温度135℃、湿度85%の条件下で1000時間保管して高温高湿試験を行った。高温高湿試験後の膜について、1cm四方の部分を光学顕微鏡で観察し、0.5μm以上のサイズの結晶状の欠陥の数をカウントして評価した。
5:欠陥の数が0個
4:欠陥の数が1~4個
3:欠陥の数が5~9個
2:欠陥の数が10~15個
1:欠陥の数が16個以上
各着色組成物を、8インチ(20.32cm)のガラス基板上に、スピンコートし、続いて100℃、120秒間の条件で前加熱(プリベーク)を実施した。そして、200℃、30分間後加熱(ポストベーク)して、膜厚0.8μmの膜を作製した。得られた膜に対し、Xeランプにて紫外線カットフィルタを通して10万ルクスの光を100時間照射した後、色度計MCPD-1000(大塚電子(株)製)にて、光の照射前後の色差のΔEab値を測定した。ΔEab値の小さい方が耐光性良好であることを示す。なお、ΔEab値は、CIE1976(L*,a*,b*)空間表色系による以下の色差公式から求められる値である(日本色彩学会編 新編色彩科学ハンドブック(昭和60年)p.266)。
ΔEab={(ΔL*)2+(Δa*)2+(Δb*)2}1/2
A:ΔEab値<2.5
B:2.5≦ΔEab値<5
C:5≦ΔEab値<10
D:10≦ΔEab値<15
E:15≦ΔEab値
Claims (13)
- 着色剤と、樹脂と、溶剤とを含む着色組成物であって、
前記着色剤は、金属原子に、式(I)~(III)で表される化合物およびそれらの互変異性構造の化合物からなる群より選ばれる少なくとも1種のアゾ化合物が配位している金属アゾ着色剤を含む、着色組成物;
式(I)中、R1~R4は、それぞれ独立して水素原子または置換基を表し、
X1~X4はそれぞれ独立して=Oまたは=Sを表し、
Y1およびY2は、それぞれ独立して-OHまたは-SHを表す;
ただし、X1~X4の少なくとも一つは=Sであるか、R1~R4の少なくとも一つは置換基であるか、またはY1およびY2の少なくとも一つが-SHである;
式(II)中、R11およびR12は、それぞれ独立して水素原子または置換基を表し、
X12およびX14は、それぞれ独立して=Oまたは=Sを表し、
X11およびX13は、それぞれ独立して-ORX11、-SRX12または-NRX13RX14を表し、RX11~RX14はそれぞれ独立して水素原子または置換基を表し、RX13とRX14は結合して環を形成していてもよく、
Y11およびY12は、それぞれ独立して-OHまたは-SHを表す;
式(III)中、R21~R23は、それぞれ独立して水素原子または置換基を表し、
X21、X22およびX24は、それぞれ独立して=Oまたは=Sを表し、
X23は、-ORX21、-SRX22または-NRX23RX24を表し、RX21~RX24はそれぞれ独立して水素原子または置換基を表し、RX23とRX24は結合して環を形成していてもよく、
Y21およびY22は、それぞれ独立して-OHまたは-SHを表す。 - 前記金属原子は、Cu、Zn、Co、Mg、CaおよびMnからなる群より選ばれる少なくとも1種である、請求項1に記載の着色組成物。
- 前記着色剤は、前記アゾ化合物が配位する金属原子の異なる金属アゾ着色剤を2種以上含む、請求項1または2に記載の着色組成物。
- 前記金属アゾ着色剤中の全金属原子に対するNiの含有量が70モル%以下である、請求項1または2に記載の着色組成物。
- 前記金属アゾ着色剤は、更に、式(1)で表される化合物を含む、請求項1または2に記載の着色組成物;
式(1)中、R111~R113はそれぞれ独立して水素原子またはアルキル基を表す。 - 前記金属アゾ着色剤が顔料であり、
前記着色組成物は更に、顔料誘導体を含む、請求項1または2に記載の着色組成物。 - 前記着色剤は、更に、フタロシアニン化合物、ジケトピロロピロール化合物、イソインドリン化合物およびキナクリドン化合物からなる群より選ばれる少なくとも1種を含む、請求項1または2に記載の着色組成物。
- 更に、重合性化合物と、光重合開始剤とを含む、請求項1または2に記載の着色組成物。
- カラーフィルタ用である、請求項1または2に記載の着色組成物。
- 請求項1または2に記載の着色組成物から得られる膜。
- 請求項10に記載の膜を有する光学フィルタ。
- 請求項10に記載の膜を有する固体撮像素子。
- 請求項10に記載の膜を有する画像表示装置。
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| JPH10260309A (ja) * | 1997-03-19 | 1998-09-29 | Jsr Corp | カラーフィルタ用感放射線性組成物 |
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| JP2007033579A (ja) * | 2005-07-22 | 2007-02-08 | Toyo Ink Mfg Co Ltd | カラーフィルタ用緑色着色組成物およびカラーフィルタ |
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| WO2019077912A1 (ja) * | 2017-10-20 | 2019-04-25 | 富士フイルム株式会社 | 着色組成物、膜の製造方法、カラーフィルタの製造方法、固体撮像素子の製造方法および画像表示装置の製造方法 |
| JP2019077861A (ja) * | 2017-10-26 | 2019-05-23 | 東レ株式会社 | 着色樹脂組成物、カラーフィルタ基板および表示装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6111801B2 (ja) | 2012-06-08 | 2017-04-12 | 東洋インキScホールディングス株式会社 | 顔料組成物及びカラーフィルタ |
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- 2023-04-17 KR KR1020247033997A patent/KR20240163116A/ko active Pending
- 2023-04-17 JP JP2024517214A patent/JPWO2023210428A1/ja active Pending
- 2023-04-17 WO PCT/JP2023/015348 patent/WO2023210428A1/ja not_active Ceased
- 2023-04-24 TW TW112115207A patent/TW202348739A/zh unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10260309A (ja) * | 1997-03-19 | 1998-09-29 | Jsr Corp | カラーフィルタ用感放射線性組成物 |
| JP2001354869A (ja) * | 2000-04-04 | 2001-12-25 | Bayer Ag | 液晶ディスプレーのカラーフィルターに入れる有機顔料 |
| JP2007033579A (ja) * | 2005-07-22 | 2007-02-08 | Toyo Ink Mfg Co Ltd | カラーフィルタ用緑色着色組成物およびカラーフィルタ |
| JP2008209804A (ja) * | 2007-02-28 | 2008-09-11 | Toyo Ink Mfg Co Ltd | カラーフィルタ用赤色着色組成物およびカラーフィルタ |
| JP2010037473A (ja) * | 2008-08-07 | 2010-02-18 | Mitsubishi Chemicals Corp | 顔料分散体、カラーフィルター用着色組成物、カラーフィルター、液晶表示装置および有機elディスプレイ |
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| WO2019077912A1 (ja) * | 2017-10-20 | 2019-04-25 | 富士フイルム株式会社 | 着色組成物、膜の製造方法、カラーフィルタの製造方法、固体撮像素子の製造方法および画像表示装置の製造方法 |
| JP2019077861A (ja) * | 2017-10-26 | 2019-05-23 | 東レ株式会社 | 着色樹脂組成物、カラーフィルタ基板および表示装置 |
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| KR20240163116A (ko) | 2024-11-18 |
| JPWO2023210428A1 (ja) | 2023-11-02 |
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