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WO2003081298A1 - Composition de reserve a dispersion de pigments pour filtres en couleur - Google Patents

Composition de reserve a dispersion de pigments pour filtres en couleur Download PDF

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Publication number
WO2003081298A1
WO2003081298A1 PCT/JP2003/003781 JP0303781W WO03081298A1 WO 2003081298 A1 WO2003081298 A1 WO 2003081298A1 JP 0303781 W JP0303781 W JP 0303781W WO 03081298 A1 WO03081298 A1 WO 03081298A1
Authority
WO
WIPO (PCT)
Prior art keywords
pigment
orifice
resist composition
dispersion
color filter
Prior art date
Application number
PCT/JP2003/003781
Other languages
English (en)
Japanese (ja)
Inventor
Kazunori Itoh
Masanori Kano
Original Assignee
Sakata Inx Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sakata Inx Corp. filed Critical Sakata Inx Corp.
Priority to KR10-2004-7015120A priority Critical patent/KR20050006135A/ko
Priority to JP2003578977A priority patent/JPWO2003081298A1/ja
Publication of WO2003081298A1 publication Critical patent/WO2003081298A1/fr

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/25—Mixing by jets impinging against collision plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/915—Reverse flow, i.e. flow changing substantially 180° in direction

Definitions

  • the present invention relates to a pigment dispersion resist composition for a color filter, and more particularly, to a color filter having extremely excellent pigment dispersibility and pigment dispersion stability, and excellent in hue (transparency, contrast) and coating film smoothness.
  • the present invention relates to a pigment dispersion resist composition for use. Background art
  • a color filter consists of two or more types of fine bands (stripe) of different hues arranged in parallel on the surface of a transparent substrate such as glass, or one in which fine pixels are arranged in a constant vertical and horizontal direction. ing.
  • the pixel size has a fine shape of several 100 to several 100 / im, and is arranged in a predetermined order for each hue. For this reason, various methods have been proposed for producing color filters.
  • color filters require high transparency and uniformity of film thickness with high precision, so conventionally, a photosensitive solution such as dichromic acid was used in aqueous solutions of dyeable natural polymers such as gelatin and casein.
  • a photo-lithography method is used to form a pixel pattern, and the above-described process of dyeing the pixel pattern into a desired color to obtain a color pattern is repeated three times to obtain a transparent colored fine pattern of three colors. It was manufactured by using a so-called dyeing method.
  • a resist composition using the active energy ray-curable resin described above has been used.
  • a coloring material used in such a resist composition for forming a color filter instead of a dye having excellent color characteristics but having limited heat and light resistance, a pigment having excellent light and heat resistance is used. Used in a dispersing machine such as a ball mill, an attritor, and a sand mill. More recently, pigments called high-grade organic pigments have come to be used, for example, because they require a clear hue and high fastness.
  • pigment dispersibility an initial fine dispersion stability and dispersion stability over time (hereinafter collectively referred to as pigment dispersibility), and a fluidity (very similar to Newtonian flow). Fluidity is required), so it is difficult to obtain the original clear hue, sedimentation due to agglomeration and decrease in fluidity occur, and the coating film smoothness also deteriorates. There are many problems.
  • the resist composition is applied to a transparent substrate or a substrate on which a light-shielding layer having a desired pattern has been formed in advance and dried.
  • the pixels of each color are obtained by exposing and developing the coating film in a desired pattern.
  • it has been required to have a particularly sharp hue and to have a more precise coating smoothness.
  • These fine organic pigments have been further finely dispersed to satisfy this requirement. To achieve this, the above problems of dispersion stability and liquidity are important research issues that must be resolved.
  • JP-A-07-198933 discloses a microfluidizer.
  • a method using a high-pressure dispersing machine such as (Microfriedix), Nanomizer-1 (Nanomizer-1), and Ultimatemizer-1 (Sugino Machine) is disclosed.
  • the obtained pigment dispersions are all sufficiently improved in pigment dispersibility and fluidity as described above.
  • the pigment-dispersed resist composition for a color filter using the composition has a problem that a clear hue cannot be obtained and the coating film has poor smoothness.
  • the present invention has been made in view of the problems of such a pigment-dispersed resist composition for a color filter, and makes the pigment into fine particles (under a narrow particle size distribution) under the condition that the generation of an overdispersed substance is extremely reduced.
  • a color filter having a clear hue (transparency and contrast) and excellent coating smoothness can be obtained.
  • An object of the present invention is to provide a pigment-dispersed resist composition that can be obtained.
  • a linear orifice having no curved portion or bent portion and a linear orifice connected to the orifice have a large diameter.
  • a high-pressure emulsifier equipped with a hollow member of the formula (1) a mixture containing at least a pigment, an organic solvent, and a pigment dispersant as essential components at a flow rate of 100 to 100 Om / sec under pressure.
  • the pigment is further dispersed by a high-pressure emulsifier that discharges the mixture from the orifice into the mixed liquid that has flowed out and stays in the hollow member.
  • the inventors have found that the problem can be easily solved, and have reached the present invention.
  • the present invention provides (1) a pigment-dispersed resist composition for a color filter, which contains at least a pigment dispersion, a photopolymerizable compound, and a photopolymerization initiator.
  • a high-pressure emulsifier equipped with a linear orifice having no or bent portion and a linear hollow member having a diameter larger than the diameter of the orifice connected to the orifice. Selected from the group consisting of ester-based organic solvents, ether-based organic solvents, ether-ester-based organic solvents, ketone-based organic solvents, aromatic hydrocarbon solvents, and nitrogen-containing organic solvents at 100 to 220 ° C.
  • a mixture containing at least one organic solvent and a pigment dispersant is passed through the orifice under pressure at a flow rate of 100 to 100 Om / sec. Further, the mixture is removed from the orifice. Staying in the hollow member, by ejecting the mixed solution that flows out above relates to an pigment dispersing composition for a color filter in which a pigment is dispersed.
  • the photopolymerizable compound and the photopolymerization initiator constituting the pigment dispersion resist composition for a color filter of (1) may be contained before or after the pigment dispersion treatment.
  • a component other than the photopolymerizable compound and the photopolymerization initiator constituting the pigment dispersion resist composition for a filter may be contained before or after the pigment dispersion treatment. That is, for example, the mixed solution of the pigment, the organic solvent, and the pigment dispersant further contains a photopolymerizable compound and a photopolymerization initiator, and after the pigment is dispersed, the photopolymerizable compound and the photopolymerization initiator are mixed.
  • the pigment for a color filter which is obtained without addition, may be a dispersion resist composition (or one of which is contained before the dispersion treatment and the other is contained after the dispersion treatment).
  • the present invention also relates to (2) a pigment dispersion resist composition for a color filter, wherein the pigment dispersant according to the above (1) is a pigment dispersant having a basic group.
  • the present invention also provides (3) a pigment dispersion resist composition for a color filter as described in (1) or (2) above, wherein the mixed liquid is a mixed liquid obtained by performing a premittastic treatment in a non-media type mixing apparatus.
  • the present invention provides an orifice having a fine diameter and a diameter larger than the orifice diameter.
  • the most characteristic feature is that the pigment is dispersed using a high-pressure emulsifier in which the hollow member is connected.
  • the pigment dispersion in the pigment-dispersed resist yarn for the color filter is firstly retained in a hollow member having a diameter larger than the diameter of the orifice due to the shearing action when the mixture passes through the orifice.
  • this pigment dispersion is very small compared to the tube diameter of a conventional high-pressure emulsifier, a sufficient stress for dispersing the pigment can be generated even in a non-collision type method.
  • the stress required to disperse the pigment can be easily controlled.
  • the pigment dispersing method of the present invention provides the optimal dispersing force (The cohesive force between the primary particles ⁇ dispersion force ⁇ the crushing strength of the primary particles) can be applied uniformly, and even with high-grade organic pigments, without excessively pulverized particles or undispersed particles This makes it possible to uniformly disperse the pigment down to the primary particles.
  • the pigment dispersant is immediately adsorbed on the hydrophobic surface of the uniformly dispersed pigment, and is thermodynamically stabilized. Good fluidity and dispersion stability can be obtained.
  • the present inventors have found that by using a pigment dispersion obtained by this pigment dispersion method in a pigment dispersion resist composition for one color filter, pigment dispersibility and fluidity are improved, and coating film smoothness is improved. It has been found that the hue is sharp. Further, the pigment-dispersed resist composition for a color filter of the present invention will be described in detail.
  • Pigments that can be used in the present invention (pigments suitable for coloring images such as red, green, blue, and black) ) has clear hue and high fastness, C. IP gement Red 19, 38, 43, 88, 122.123, 144, 149, 166, 168, 177, 178, 1 79, 188. 190, 207, 208, 209, 216, 224, 226, 242, 254 264 red pigments; C. I. Pigment Blue 15: 1, 15 3, 15 : 4, 15: Blue color of 6, 16, 22, 29, 60, 64; C. IPigment Li reen 1
  • a single pigment in order to obtain a red color image, a green color pigment, and a blue color pigment, a single pigment may be used, or other pigments may be mixed and used.
  • a red color image a single red pigment may be used, or a red pigment mixed with a yellow pigment, an orange pigment, or the like may be used, and a green color image may be used.
  • a blue colored image a single green pigment may be used, or a green pigment mixed with a yellow pigment may be used.
  • a blue pigment may be used, or a blue pigment mixed with a violet pigment or the like and toned may be used.
  • pigment dispersant that can be used in the present invention, a pigment dispersant conventionally used for dispersing a pigment that does not hinder photosensitivity can be used.
  • pigment-dispersing agents that are soluble in pigment and have a pigment dispersing property are also included in the present invention.
  • polyester polymer pigment dispersants Specifically, polyester polymer pigment dispersants, ataryl polymer pigment dispersants, polyurethane polymer pigment dispersants, pigment derivatives, cationic surfactants, nonionic surfactants, anionic surfactants And the like.
  • These pigment dispersants are They may be used alone or in combination of two or more.
  • a pigment dispersant containing a basic group is preferable as the pigment dispersant, since good pigment dispersibility can be obtained.
  • pigment dispersant containing a basic group As the pigment dispersant containing a basic group,
  • Amino groups of polyamine compounds for example, poly (lower alkyleneamine) such as polyallylamine, polybulamine, and polyethylenimine;
  • Alcohols such as methoxypolyethylene glycol and polyesters having one hydroxyl group such as hydraprotatonone polyester, and 2-3 isocyanate group-reactive functional groups in the isocyanate group of the polyisocyanate compound.
  • reaction product obtained by adding a polyether chain to a low-molecular-weight amino compound a reaction product obtained by reacting a compound having an isocyanate group with a compound having an amino group.
  • Meta At least one selected from acrylates and acrylates; and basics such as atarylamide, metharylamide, N-methylolamide, bulimidazole, bulpyridine, a monomer having an amino group and a polyproprolactone skeleton.
  • Copolymers of at least one of the group-containing polymerizable monomers with at least one of styrene, a styrene derivative, and other polymerizable monomers are exemplified. Among them, the above (1) to (6) are preferable.
  • the amount of the pigment dispersant used in the present invention is usually 1 to 200 parts by mass, preferably 1 to 60 parts by mass, based on 100 parts by mass of the pigment.
  • the amount of the pigment dispersant used is less than 1 part by mass, the pigment dispersibility decreases, while when it exceeds 200 parts by mass, the developability may decrease.
  • organic solvent examples include ester-based organic solvents and ether-based organic solvents having a boiling point of 100 to 220 ° C. at normal pressure (1.013 ⁇ 10 2 kPa). And at least one selected from ether ester-based organic solvents, ketone-based organic solvents, aromatic hydrocarbon solvents and nitrogen-containing organic solvents, and preferably contains these mainly. .
  • ethylene glycol monomethinolate ether ethylene glycol monoethylenolate ether, ethylene glycol monoisopropinole ether, ethylene glycol monomonotinole ether, dimethylene glycol / lemonomethinole ether, Diethylene glycol monoethyl ether ether, pyrene glycol monomethyl ether ether, propylene glycol resin monoethyl ether, propylene glycol monobutyl ether, diethylene glycol ethyl ether, diethylene glycol ethyl dimethyl ether, diethylene glycol ethanol Ether-based organic solvents such as ethyl ethyl ether; ethylene glycol monomethyl ether oleate acetate; ethylene glycol monomethyl ether enoate acetate; Ether ester organic solvents such as styrene glycol monobutyl ether acetate, propylene dalicol monomethinoleate eno
  • organic solvents can be used alone or in combination of two or more. Further, as the organic solvent, an organic solvent capable of dissolving or dispersing the pigment dispersant, for example, alcohol or the like can be used as long as the performance of the pigment-dispersed resist composition for a color filter is not deteriorated.
  • the organic solvent in the pigment dispersion resist composition for a color filter may be an ether organic solvent having a boiling point of 100 to 220 ° C or an ester in terms of solubility, pigment dispersibility, coatability, etc. At least one selected from the group consisting of organic solvents, ether ester organic solvents, ketone organic solvents, nitrogen-containing organic solvents, etc., in an organic solvent at 50% by mass or more, particularly 70% by mass / 0 %. What contains above is preferable.
  • ether organic solvents examples include diethylene glycol dimethyl ether, diethylene glycol methinoleetinooleate, ethylene glycolone monomethinoleate teracetate, propylene glycol monomethyl ether acetate, propylene glycol monomethyl etherate / reacetate, cycloate Hexanone, 2-heptanone, 2-ethylhydroxypropionate, 3-methyl-3-methoxybutylpropionate, pionate, 3-methoxypropionate, methyl 3-ethoxypropionate, n-amyl formate are preferred. More preferably, propylene glyco Makes the chromophore at the distal end Roh methyl ether acetate.
  • the organic solvent does not sufficiently evaporate and remains in the dried coating film, and The heat resistance of the dried coating film may decrease. Further, in a system containing a large amount of an organic solvent having a boiling point of less than 100 ° C., it is difficult to apply the coating uniformly without unevenness, and a coating film having excellent surface smoothness may not be obtained.
  • the photopolymerizable compound usable in the present invention include monomers and oligomers having one or more photopolymerizable unsaturated bonds in the molecule, and monomers having one photopolymerizable unsaturated bond in the molecule.
  • alkyl methacrylates or acrylates such as methyl methacrylate, butyl methacrylate, 2-ethynolehexynole methacrylate, methyl acrylate, butyl acrylate, 2-ethynolehexyl acrylate; Aralkyl methacrylates or acrylates such as methacrylate and benzyl acrylate; alkoxyalkyl methacrylates or acrylates such as butoxyshethyl methacrylate and ptoxyshethyl acrylate; N, N-dimethylaminoethyl methacrylate; N, N-dimethylaminoethyl acrylate Methacrylates or acrylates of polyalkylene glycol alkyl ethers, such as diaminoglycol methacrylate or acrylate; diethylene glycol monoethylenoleate, triethylene glycol monoleptinoleate or dipropylene glycol methyl ether
  • photopolymerizable compounds can be used alone or in combination of two or more.
  • the photopolymerization initiator that can be used in the present invention is not particularly limited, and examples thereof include benzophenone, N, ⁇ ′-tetraethyl_4, A ′ diaminobenzozophenone, 4-methoxydimethylaminobenzobenzophenone, benzyl, 2, 2-Jetoxyacetophenone, benzoin, benzoinmethinoleatenore, benzoinsobutinoreatenore, penzinoresimetinoleketanore, ⁇ -hydroxyisobutinolephenone, tioxanthon, 2-clothoxyxanthone, 1-hydroxycyclohexylphenyl ketone, t-butylanthraquinone, 1-chloroanthraquinone, 2,3-dichloroanthraquinone, 3-chloro-1- 2-methylanthraquinone, 2-
  • the pigment-dispersed resist composition for a color filter of the present invention usually contains a resin for improving the developability, and is preferably a developer used in the developing step of the color filter, particularly preferably an alcohol.
  • a resin for improving the developability is preferably a developer used in the developing step of the color filter, particularly preferably an alcohol.
  • An alcohol-soluble resin having solubility in an aqueous developer can be used, in particular, an alcohol-soluble resin having an epoxy group.
  • alkali-soluble resin having a carboxyl group examples include unsaturated monomers containing a carboxyl group such as acrylic acid and methacrylic acid, styrene, 2-hydroxyshetyl acrylate, 2-hydroxymetharyl acrylate, and arinorea acrylate.
  • unsaturated monomers containing a carboxyl group such as acrylic acid and methacrylic acid, styrene, 2-hydroxyshetyl acrylate, 2-hydroxymetharyl acrylate, and arinorea acrylate.
  • Aryl methacrylate, benzyl acrylate, benzyl methacrylate, glycerono remeth acrylate, glycerono remeth acrylate, ⁇ -fe-norema remide, polystyrene mac mouth monomer and polymethinole methacrylate macromo Copolymers with at least one member selected from the group of nomers can be used.
  • the pigment dispersion resist composition for a color filter of the present invention may contain, if necessary, a thermal polymerization inhibitor such as hydroquinone, pyrogallol, or t-butyl catechol, a pigment derivative, or a pigment dispersion for controlling a dark reaction.
  • a thermal polymerization inhibitor such as hydroquinone, pyrogallol, or
  • a pigment dispersion is produced from a mixed liquid containing a pigment, a pigment dispersant and an organic solvent as essential components (hereinafter, also simply referred to as a mixed liquid) using a high-pressure emulsifier having a specific structure described later.
  • a mixed liquid containing a pigment, a pigment dispersant and an organic solvent as essential components
  • a high-pressure emulsifier having a specific structure described later.
  • pigment dispersion is referred to as “dispersion obtained by subjecting a mixture containing at least a pigment, a pigment dispersant and an organic solvent as essential components to a pigment dispersion treatment using a high-pressure emulsifier”.
  • a pigment dispersion obtained by subjecting a mixture containing only essential components of a pigment, a pigment dispersant and an organic solvent to a pigment dispersion treatment using a high-pressure emulsifier is further added to a pigment for a color filter.
  • a pigment-dispersed resist composition for a color filter obtained by adding a material necessary for obtaining a dispersed resist composition will be described.
  • the present invention is not limited to this. That is, in addition to the essential components for constituting the above-mentioned mixed solution, a mixed solution obtained by arbitrarily adding and mixing other materials constituting the pigment-dispersed resist composition for a color filter using a high-pressure emulsifier.
  • the pigment-dispersed resist composition for a color filter obtained by adding a material necessary for obtaining a pigment-dispersed resist composition for a color filter, if necessary, to the pigment dispersion obtained by the It is a pigment dispersion resist composition for color filters of the present invention.
  • the color filter pigment-dispersed resist composition includes, for example, a photopolymerizable compound and a photopolymerization initiator, which are essential components for constituting the color filter-pigmented resist composition, in the mixture.
  • a photopolymerizable compound and a photopolymerization initiator which are essential components for constituting the color filter-pigmented resist composition, in the mixture.
  • the pigment After dispersing the pigment May be obtained without adding the photopolymerizable compound and the photopolymerization initiator, or the pigment may be dispersed by containing either the photopolymerizable compound or the photopolymerization initiator in the above-mentioned mixed solution. Alternatively, it may be obtained by dispersing the pigment and then adding one of the other.
  • Examples of the pigment dispersing machine used for finely dispersing the pigment of the pigment dispersion of the present invention include, as shown in FIGS. 1 and 2, a high-pressure unit having a pressure unit, an orifice, and a hollow member arranged in parallel.
  • An emulsifier can be used.
  • the high-pressure emulsifier having the configuration shown in FIGS. 1 and 2 illustrates a preferred embodiment of the present invention, and the present invention is not limited to this.
  • the mixed liquid to be subjected to the dispersion treatment stored in the mixed liquid tank 1 is pressurized by the high-pressure pump 2 and guided to the dispersion chamber 13, and the processed dispersion is guided to the storage tank 4. .
  • the distributed champers 13 those having the structure shown in FIG.
  • the dispersion chamber of the high-pressure milking machine in FIG. 2 has three essential components for dispersing the pigment: the mixture inlet 7, the orifice 8, and the hollow member 9; the back pressure valve 10; It has exit 1 1.
  • a high pressure pump 2 (not shown) is used to pass a mixture introduced into a mixture inlet 7 at high speed through an orifice 8 under pressure.
  • a high-speed jet stream of the mixed liquid generated by the orifice 8 is jetted into the hollow member 9, and is mixed by shearing stress generated by a speed difference between the mixed liquid staying in the hollow member 9 and jetting first. The liquid will be dispersed.
  • the orifice 8 In this high-pressure emulsifier, a fine orifice is used as the orifice 8 because it is necessary to generate a high-speed jet stream.
  • the orifice diameter is 0.01 from the viewpoint of productivity and equipment efficiency. It has a diameter of about 1.5 mm, and its shape is preferably a straight line having no curved or bent portions and hardly worn.
  • the material forming the orifice include diamond such as sintered diamond and single-crystal diamond, ceramic materials such as alumina, zirconium and carporundum, and metals such as stainless steel, iron and titanium. However, among them, materials of high hardness which are hard to wear are preferable.
  • the inside of the orifice and the inside of the hollow member It is necessary to adjust the speed of the mixture passing through the orifice so that the optimum stress applied to the mixture is obtained at Adjustment is possible depending on the conditions.
  • the mixture is a 5 X 1 0 3 ⁇ 3. 2 X 1 0 5 pressure conditions k P a, the mixture rate of 1 00 to: LO 0 Om / sec, more preferably 400 to 70 Om / sec.
  • the hollow member for injecting the high-speed jet flow of the mixed liquid generated by the orifice is preferably cylindrical so that the high-speed jet flow can flow linearly.
  • the hollow member can be configured by combining a plurality of cells with seals.
  • the ratio of the orifice to the hollow member tube diameter is set to 1: 2 to 50, so that a uniform flow can be generated in the hollow member and an appropriate speed difference occurs for the shearing stress to act between the mixed liquids.
  • the ratio is about 1: 5 to 10 and, in addition, it is desirable to have a sufficient volume so that the high-speed jet stream does not collide with the opposite surface of the hollow member with a strong force.
  • the material of the hollow member is also preferably hard to wear.
  • ceramic materials such as alumina, zirconium and carborundum, and metals such as stainless steel, iron and titanium can be used.
  • a discharge port may be provided at any part of the hollow member in order to discharge the treated dispersion.
  • a method in which the discharge port is provided on a wall facing the orifice of the hollow member can be used.
  • the structure must be such that the injected mixed liquid is not discharged without being dispersed.
  • a back pressure valve on the hollow member.
  • Back pressure By providing a valve to apply the pressure of the hollow member (called back pressure), it is possible to control the flow rate of the mixture in the hollow member and to prevent the dispersion force from decreasing due to the generation of microbubbles.
  • Back pressure will vary according to the boiling point or the like of the dispersion conditions and organic solvents, 1 X 1 0 3 k P a following effect is low, the change effect can be as high as 1 X 1 0 4 k P a more Disappears.
  • the number of times of dispersion (the number of times of passage through the orifice) in the high-pressure emulsifier according to the present invention is one or more times (in FIG. 1, the dispersion discharged from the dispersion discharge port is stored in the storage tank 4, but is again stored in the storage tank 4). It may be returned to the mixed liquid tank 1 or may have a structure that circulates it) .It should be appropriately selected according to the pigment to be used, the dispersion conditions, and the required particle size and particle size distribution of the pigment particles of the pigment dispersion. Can be.
  • a premix treatment is performed using a non-media type disperser such as a high-speed mixer or a high-speed homogenizer. That is, it is preferable to use, as the above-mentioned mixed liquid, a mixed liquid that has been subjected to a premixing process using a non-media type mixing device. It is preferable that the mixed liquid is adjusted to have an appropriate viscosity, for example, less than 1 Pa ⁇ s.
  • the pressure of the mixed solution is increased by using a high-pressure pump, and the mixed solution is passed through a high-speed jet stream 5 at a speed of 400 to 700 m / sec 5 through a straight orifice without a curved portion or a confluent portion.
  • the back pressure of the jet stream is 1 ⁇ 10 3 to 1 ⁇ 10 4 kPa (preferably, the speed at which the high-speed jet stream collides with the wall facing the orifice becomes 0). It is preferable to inject into the hollow member.
  • the production of the pigment dispersion is preferably performed at 40 to 70 ° C.
  • the temperature is preferably increased from the viewpoint of the wettability between the pigment and the organic solvent.
  • an organic solvent having a boiling point of 100 to 220 ° C. is used and there is a risk of ignition during production, it is preferable to carry out the reaction at 70 ° C. or lower.
  • the pigment is finely dispersed in a short period of time.
  • the fine dispersion of the pigment is averaged from the clear hue of the pigment dispersion. It is prepared so as to have a particle size of less than 150 nm.
  • the pigment dispersion that has been completely dispersed is guided to the tank from the dispersion outlet.
  • the pigment dispersion obtained by dispersing the pigment by such a production method may be further subjected to post-treatment such as centrifugal separation treatment or filter treatment of the pigment dispersion to remove coarse particles.
  • a photopolymerizable compound, a photopolymerization initiator, and, if necessary, an organic solvent, a modifying resin, and various additives are added to the pigment dispersion that has been completely dispersed by the above-mentioned production method, followed by stirring and mixing.
  • the pigment dispersion obtained by the mixed liquid composition and the production method described above disperses the pigment by a uniform and controlled shear force, and makes the pigment finer without generating excessive pulverized particles or undispersed particles. Excellent dispersion stability and fluidity because it enables uniform dispersion of primary particles or its vicinity and also prevents finely dispersed pigment particles from aggregating over time. It is.
  • the pigment dispersion resist composition for a color filter of the present invention As described above, the pigment dispersion resist composition for a color filter of the present invention,
  • particles having a narrow particle size distribution (preferably having an average particle size of less than 150 nm), in which the amount of the superdispersion is small and the pigment dispersant containing a basic group is adsorbed on a fine pigment
  • the obtained color filter has good transparency, contrast, and colorability, has a clear hue, and has good coating smoothness.
  • FIG. 1 is a schematic view of an example of a high-pressure emulsifier used in the production of the dispersion of the present invention.
  • FIG. 2 is a schematic view of one example of dispersion of a high-pressure emulsifier used in the production of the dispersion of the present invention. Explanation of reference numerals
  • a pigment dispersant containing a basic group is added to an organic solvent and mixed to obtain the composition shown in Table 1, the varnish is adjusted, and further the pigment is added and predispersed with a high-speed stirrer.
  • the pigment dispersants A to F containing a basic group, the ataryl resin, and the organic solvent shown in Table 1 are as follows.
  • the materials used and the dispersion conditions are as follows.
  • Poly (lower alkylene imine) derivative Solsperse 2 4 0 0 GR (trade name, Ab ecia)
  • Polyester having an amino group at the end Solsperse 17000 (trade name, manufactured by Abecia)
  • Polyurethane resin D i s p e r b y k-161 (trade name, manufactured by BYK Chemie)
  • a polyester having one hydroxyl group in the isocyanate group of the polyisocyanate compound a compound having two to three isocyanate group-reactive groups, an aliphatic group having an isocyanate group-reactive functional group and a tertiary amino group Or a reaction product obtained by sequentially reacting a heterocyclic hydrocarbon compound
  • Acrylic resin containing basic group EFKA-46 (trade name, manufactured by EFKA Chemica 1 B.V.)
  • Polyether chain adduct of low molecular weight amino compound Solsperse 20000 (trade name, manufactured by Abecia)
  • Disperkyk-2001 (trade name, manufactured by Big Chemie Japan Ltd.)
  • Ataryl resin benzyl methacrylate 'methacrylic acid copolymer (weight average molecule Amount: 20000, acid value 100)
  • Organic solvent benzyl methacrylate 'methacrylic acid copolymer (weight average molecule Amount: 20000, acid value 100)
  • Predispersed dispersion flow rate 60 Om / sec
  • Example 2 was obtained.
  • Comparative example 3 of pigment dispersion for color filter To 1 part of PMAC 77, 62 parts of a pigment dispersant A containing a basic group and 12 parts of acryl resin are added and mixed to prepare a varnish. Further, C.I. After pre-dispersing with a stirrer, use a Nanomizer-1 (manufactured by Nanomizer-1) as a high-pressure disperser, disperse under the following conditions, and then filter through a S / xpp pleated filter to remove coarse particles. Comparative Example 3 of a pigment dispersion for a color filter was obtained.
  • a Nanomizer-1 manufactured by Nanomizer-1
  • the dispersion conditions are as follows.
  • the dispersion conditions are as follows.
  • Pigment dispersion resist composition for color filter Examples 1 to 6 Comparative examples 1 to 4 Pigment dispersions for color filters of Examples 1 to 6 and Comparative examples 1 to 4 43.8 parts of acrylic resin 6 2.8 parts of dipentaerythritol hexatalylate, 0.9 part of photopolymerization initiator and 46.5 parts of PMAC were mixed and stirred, and the color filters of Examples 1 to 6 and Comparative Examples 1 to 4 were mixed. A pigment-dispersed resist composition was obtained. 3. Pigment dispersion (Example 7), pigment dispersion resist composition for color filter (Example 7)
  • Predispersed dispersion flow rate 60 Om / sec
  • the viscosity at 25 ° C. of the pigment dispersions for color filters of Examples 1 to 6 and Comparative Examples 1 to 4 and the pigment dispersion resist composition for color filters of Example 7 and Comparative Example 5 was measured using an R-type viscometer. Was measured and evaluated.
  • the viscosity at 25 ° C. of the pigment dispersions for color filters of Examples 1 to 6 and Comparative Examples 1 to 4 and the pigment dispersion resist compositions for color filters of Example 7 and Comparative Example 5 was used. After storage at 40 ° C for 7 days, the viscosity at 25 ° C was measured, and the increase was evaluated.
  • the pigment-dispersed resist composition for each color filter of Examples 1 to 7 and Comparative Examples 1 to 5 was applied on a glass substrate for a color filter by a spin coater and dried at 100 ° C. for 3 minutes to obtain a red coating. A membrane was obtained. Next, each unexposed coating film was exposed at a UV light exposure of 30 O mj Z cm 2 through a photomask using a high-pressure mercury lamp, and then exposed at 230 ° C. Boss beta was performed for 0 minutes to obtain a coating film. In this way, the substrate on which the coating film is formed is placed between the two deflection plates, and the brightness when the deflection axes of the deflection plates are parallel is set.
  • luminance ratio parallel luminance Z vertical luminance
  • the pigment-dispersed resist compositions for color filters of Examples 1 to 7 and Comparative Examples 1 to 5 were applied on a glass substrate for a color filter by a spin coater, and the state of the coating film surface was observed and evaluated with a microscope.
  • Example 1 Example 3 ⁇ 4 Example 3 ⁇ Example / j ui Example r no 'j 4 t7
  • Pigment dispersant D (EF A-46) 3.9
  • the pigment dispersion for a color filter of the present invention is made into fine particles (narrow particle size distribution) with very little overdispersion, the pigment dispersion and the fluidity are improved.
  • the pigment dispersion resist composition for a color filter using the pigment dispersion for a color filter, a colored image having a clear hue (transparency and contrast) and excellent in coating film smoothness is formed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Materials For Photolithography (AREA)

Abstract

Cette invention concerne une composition de réserve à dispersion de pigments permettant d'obtenir des filtres de couleur qui donnent une tonalité très claire (transmission et contraste excellents) et sont remarquables en termes de douceur du revêtement. La dispersion des pigments dans la composition de réserve de l'invention est obtenue par un procédé consistant à: utiliser un émulsionneur à haute pression doté d'un orifice droit sans coude ou inflexion, et une partie creuse droite dont le diamètre est supérieur à celui de l'orifice: faire passer un liquide mixte renfermant un pigment, un solvant organique comprenant au moins un élément pris parmi des solvants ester dont les points d'ébullition se situent entre 100 et 220 °C, des solvants éthers, des solvants éther-esters, des solvants cétones, des solvants hydrocarbonés aromatiques et des solvants organiques azotés, et un dispersant de pigment à travers l'orifice sous pression à un débit de 100 à 1000 m/s ; et injecter le liquide mélangé ainsi obtenu dans le liquide mélangé déchargé précédemment et retenu dans la partie droite et creuse pour disperser le pigment.
PCT/JP2003/003781 2002-03-27 2003-03-27 Composition de reserve a dispersion de pigments pour filtres en couleur WO2003081298A1 (fr)

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KR10-2004-7015120A KR20050006135A (ko) 2002-03-27 2003-03-27 컬러필터용 안료 분산 레지스트 조성물
JP2003578977A JPWO2003081298A1 (ja) 2002-03-27 2003-03-27 カラーフィルター用顔料分散レジスト組成物

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JP2002-89229 2002-03-27

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005221804A (ja) * 2004-02-06 2005-08-18 Toyo Ink Mfg Co Ltd カラーフィルタ用着色材の製造方法、該方法により製造されるカラーフィルタ用着色材、およびカラーフィルタ
JP2006243409A (ja) * 2005-03-03 2006-09-14 Fuji Photo Film Co Ltd 表示装置用遮光膜、黒色材料用微粒子含有組成物、材料、遮光膜付き基板、カラーフィルタ、液晶表示素子、液晶表示装置、及び表示装置
JP2008250023A (ja) * 2007-03-30 2008-10-16 Dainippon Printing Co Ltd カラーフィルター用顔料分散液、カラーフィルター用硬化性樹脂組成物、カラーフィルター、及び表示装置
JP2009222761A (ja) * 2008-03-13 2009-10-01 Tokyo Ohka Kogyo Co Ltd 着色感光性樹脂組成物、ブラックマトリックス、カラーフィルター、及び液晶表示ディスプレイ
JP2011111616A (ja) * 2009-11-30 2011-06-09 Fujifilm Corp ウエハレベルレンズ用黒色硬化性組成物、及び、ウエハレベルレンズ
JP2015213867A (ja) * 2014-05-09 2015-12-03 三菱日立パワーシステムズ株式会社 混合装置及びプラント
WO2019131455A1 (fr) * 2017-12-27 2019-07-04 花王株式会社 Procédé de production d'une dispersion aqueuse pigmentaire

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007134487A (ja) * 2005-11-10 2007-05-31 Tokyo Ohka Kogyo Co Ltd 塗布装置
JP2008088272A (ja) * 2006-09-29 2008-04-17 Fujifilm Corp 硬化性着色組成物、カラーフィルタ、及びカラーフィルタを用いた液晶表示装置
CN101162364B (zh) * 2007-11-30 2011-04-20 京东方科技集团股份有限公司 感光树脂组合物及其制备方法和成膜方法
CN104220907B (zh) * 2012-03-28 2016-10-26 凸版印刷株式会社 显示器用滤色器
JP5932435B2 (ja) * 2012-03-29 2016-06-08 サカタインクス株式会社 カラーフィルター用青色顔料分散組成物及びそれを含有するカラーフィルター用青色顔料分散レジスト組成物
JP6363830B2 (ja) * 2013-10-17 2018-07-25 サカタインクス株式会社 カラーフィルター用赤色顔料分散レジスト組成物
KR102537749B1 (ko) * 2017-06-14 2023-05-26 산요 시키소 가부시키가이샤 안료 분산체 및 그것을 포함하는 착색 조성물

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198933A (ja) * 1993-12-28 1995-08-01 Japan Synthetic Rubber Co Ltd カラーフィルタ用顔料分散液の製造方法
JPH07289870A (ja) * 1994-04-25 1995-11-07 Canon Inc 湿式高圧霧化分散方法及びその装置
EP1018672A1 (fr) * 1999-01-08 2000-07-12 Canon Kabushiki Kaisha Procédé de fabrication d' un élément photosensible électrophotographique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198933A (ja) * 1993-12-28 1995-08-01 Japan Synthetic Rubber Co Ltd カラーフィルタ用顔料分散液の製造方法
JPH07289870A (ja) * 1994-04-25 1995-11-07 Canon Inc 湿式高圧霧化分散方法及びその装置
EP1018672A1 (fr) * 1999-01-08 2000-07-12 Canon Kabushiki Kaisha Procédé de fabrication d' un élément photosensible électrophotographique

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005221804A (ja) * 2004-02-06 2005-08-18 Toyo Ink Mfg Co Ltd カラーフィルタ用着色材の製造方法、該方法により製造されるカラーフィルタ用着色材、およびカラーフィルタ
JP2006243409A (ja) * 2005-03-03 2006-09-14 Fuji Photo Film Co Ltd 表示装置用遮光膜、黒色材料用微粒子含有組成物、材料、遮光膜付き基板、カラーフィルタ、液晶表示素子、液晶表示装置、及び表示装置
JP2008250023A (ja) * 2007-03-30 2008-10-16 Dainippon Printing Co Ltd カラーフィルター用顔料分散液、カラーフィルター用硬化性樹脂組成物、カラーフィルター、及び表示装置
JP2009222761A (ja) * 2008-03-13 2009-10-01 Tokyo Ohka Kogyo Co Ltd 着色感光性樹脂組成物、ブラックマトリックス、カラーフィルター、及び液晶表示ディスプレイ
JP2011111616A (ja) * 2009-11-30 2011-06-09 Fujifilm Corp ウエハレベルレンズ用黒色硬化性組成物、及び、ウエハレベルレンズ
JP2015213867A (ja) * 2014-05-09 2015-12-03 三菱日立パワーシステムズ株式会社 混合装置及びプラント
WO2019131455A1 (fr) * 2017-12-27 2019-07-04 花王株式会社 Procédé de production d'une dispersion aqueuse pigmentaire
JP2019116600A (ja) * 2017-12-27 2019-07-18 花王株式会社 顔料水分散液の製造方法
JP7141791B2 (ja) 2017-12-27 2022-09-26 花王株式会社 顔料水分散液の製造方法
US11459476B2 (en) 2017-12-27 2022-10-04 Kao Corporation Production method for pigment aqueous dispersion

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CN1294429C (zh) 2007-01-10
CN1643407A (zh) 2005-07-20
TW200304479A (en) 2003-10-01
JPWO2003081298A1 (ja) 2005-07-28
KR20050006135A (ko) 2005-01-15
TWI300879B (fr) 2008-09-11

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