WO2022176787A1 - 樹脂組成物、膜、光学フィルタ、固体撮像素子、画像表示装置、樹脂および樹脂の製造方法 - Google Patents

樹脂組成物、膜、光学フィルタ、固体撮像素子、画像表示装置、樹脂および樹脂の製造方法 Download PDF

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WO2022176787A1
WO2022176787A1 PCT/JP2022/005534 JP2022005534W WO2022176787A1 WO 2022176787 A1 WO2022176787 A1 WO 2022176787A1 JP 2022005534 W JP2022005534 W JP 2022005534W WO 2022176787 A1 WO2022176787 A1 WO 2022176787A1
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group
resin
formula
resin composition
film
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PCT/JP2022/005534
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English (en)
French (fr)
Japanese (ja)
Inventor
雅臣 牧野
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富士フイルム株式会社
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Priority to JP2023500810A priority Critical patent/JPWO2022176787A1/ja
Publication of WO2022176787A1 publication Critical patent/WO2022176787A1/ja

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    • 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
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/91—Polymers modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/48—Polymers modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/02—Polyamines

Definitions

  • the present invention relates to resin compositions, films, optical filters, solid-state imaging devices, image display devices, resins, and methods for producing resins.
  • a film containing pigments such as color filters is used in solid-state imaging devices.
  • a film containing a colorant such as a color filter is manufactured using a resin composition containing a pigment, a resin, and a solvent.
  • Patent Document 1 discloses a resin composition containing a pigment, a dispersant, a binder resin, an epoxy compound, and a solvent, wherein the dispersant is a tetracarboxylic anhydride (b1) and a tricarboxylic anhydride (b2 ), a polyester portion X1′ having a carboxyl group, obtained by reacting an acid anhydride group in one or more acid anhydrides (b) with a hydroxyl group in a hydroxyl group-containing compound (a), and an ethylenically unsaturated and a vinyl polymer portion X2′ obtained by radically polymerizing the monomer (c) and having a thermally crosslinkable functional group, wherein the thermally crosslinkable functional group is a hydroxyl group, an oxetane group, a t-butyl group, or a block
  • An invention relating to a resin composition containing at least one dispersant (X) selected from the group consisting of iso
  • the dispersibility of the pigment is good. If the dispersibility of the pigment is insufficient, the pigment tends to agglomerate in the resin composition and become coarse, or the viscosity of the resin composition tends to increase. Further, even if the viscosity of the resin composition immediately after production is low, the viscosity may increase over time.
  • a film such as a color filter is formed using a resin composition containing a coloring material, a resin, and a solvent, and then heat treatment at a high temperature (for example, 300° C. or higher) is required. It is also being considered to provide it to the process. For this reason, in recent years, there has been a demand for further improvement in heat resistance of a film obtained using a resin composition containing a coloring material, a resin, and a solvent.
  • the resin B includes a resin B1 which is a reaction product of a resin having a primary amino group or a secondary amino group and a macromonomer having an acid anhydride structure at the terminal.
  • R 1 to R 9 each independently represent a hydrogen atom or a substituent
  • L 1 represents a single bond or a divalent linking group
  • L 2 and L 3 each independently represent a divalent linking group
  • L 4 represents a single bond or a divalent linking group
  • X b11 represents an n+2 valent linking group
  • X b12 represents O or NR x11
  • R x11 represents a hydrogen atom or a substituent
  • L b11 represents a single bond or a divalent linking group
  • Pb11 represents a polymer chain
  • Rb11 represents a hydrogen atom, a substituent or a counterion
  • n represents an integer of 1 or more.
  • L b11 in formula (1-1), L b11 in formula (1-2) and L b11 in formula (1-3) are divalent linking groups containing a sulfur atom, in ⁇ 3>
  • the polymer chain represented by P b11 in formula (1-1), the polymer chain represented by P b11 in formula (1-2) and the polymer chain represented by P b11 in formula (1-3) have a polyether structure. , a polyester structure, a poly(meth)acrylic structure, and a polystyrene structure, the resin composition according to ⁇ 3> or ⁇ 4>.
  • the polymer chain represented by P b11 in formula (1-1), the polymer chain represented by P b11 in formula (1-2), and the polymer chain represented by P b11 in formula (1-3) are ethylenically unsaturated.
  • the resin B1 contains a repeating unit represented by the formula (1-1), and the content of the repeating unit represented by the formula (1-1) in the resin B1 is 30 mol% or more.
  • the resin B1 contains a repeating unit represented by the formula (1-2), and the content of the repeating unit represented by the formula (1-2) in the resin B1 is 30 mol% or more. ,or, The resin B1 contains a repeating unit represented by the formula (1-3), and the content of the repeating unit represented by the formula (1-3) in the resin B1 is 30 mol% or more.
  • the repeating unit represented by the above formula (1-1) is a repeating unit represented by the following formula (2-1)
  • the repeating unit represented by the above formula (1-2) is a repeating unit represented by the following formula (2-2)
  • L 1 represents a single bond or a divalent linking group
  • L 2 and L 3 each independently represent a divalent linking group
  • L 4 represents a single bond or a divalent linking group
  • L b11 represents a single bond or a divalent linking group
  • Pb11 represents a polymer chain.
  • ⁇ 9> The resin composition according to any one of ⁇ 1> to ⁇ 8>, wherein the coloring material A contains at least one selected from diketopyrrolopyrrole pigments and phthalocyanine pigments.
  • the coloring material A contains at least one selected from diketopyrrolopyrrole pigments and phthalocyanine pigments.
  • ⁇ 11> The resin composition according to any one of ⁇ 1> to ⁇ 10>, further comprising a photopolymerization initiator.
  • ⁇ 12> A film obtained using the resin composition according to any one of ⁇ 1> to ⁇ 11>.
  • An optical filter comprising the film according to ⁇ 12>.
  • ⁇ 14> A solid-state imaging device having the film according to ⁇ 12>.
  • An image display device comprising the film according to ⁇ 12>.
  • R 1 to R 9 each independently represent a hydrogen atom or a substituent
  • L 1 represents a single bond or a divalent linking group
  • L 2 and L 3 each independently represent a divalent linking group
  • L 4 represents a single bond or a divalent linking group
  • X b11 represents an n+2 valent linking group
  • X b12 represents O or NR x11
  • R x11 represents a hydrogen atom or a substituent
  • L b11 represents a single bond or a divalent linking group
  • Pb11 represents a polymer chain
  • Rb11 represents a hydrogen atom, a substituent or a counterion
  • n represents an integer of 1 or more.
  • a method for producing a resin comprising the step of reacting a resin having a primary amino group or a secondary amino
  • a resin composition that is excellent in pigment dispersibility and capable of forming a film with excellent heat resistance.
  • a film, an optical filter, a solid-state imaging device, and an image display device using the resin composition can be provided.
  • a resin and a method for producing the resin can be provided.
  • ⁇ is used to include the numerical values before and after it as lower and upper limits.
  • a description that does not describe substitution or unsubstituted includes a group (atomic group) having no substituent as well as a group (atomic group) having a substituent.
  • an "alkyl group” includes not only an alkyl group having no 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.
  • Light used for exposure includes actinic rays or radiation such as emission line spectra of mercury lamps, far ultraviolet rays represented by excimer lasers, extreme ultraviolet rays (EUV light), X-rays, and electron beams.
  • the (meth)allyl group represents both or either allyl and methallyl
  • “(meth)acrylate” represents both or either acrylate and methacrylate
  • “(meth) "Acrylic” represents both or either of acrylic and methacrylic
  • “(meth)acryloyl” represents both or either of acryloyl and methacryloyl.
  • the weight average molecular weight and number average molecular weight are polystyrene equivalent values measured by GPC (gel permeation chromatography).
  • near-infrared light refers to light with a wavelength of 700 to 2500 nm.
  • total solid content refers to the total mass of all components of the composition excluding the solvent.
  • process does not refer only to an independent process, and even if it cannot be clearly distinguished from other processes, the term can be used as long as the intended action of the process is achieved. included.
  • pigment means a coloring material that is difficult to dissolve in a solvent.
  • symbols e.g., A, etc.
  • added before or after the name are terms used to distinguish the constituent elements, and the type of constituent elements, the number of constituent elements, and the configuration It does not limit the superiority or inferiority of elements.
  • the resin composition of the present invention is A coloring material A containing a pigment; a resin B; a solvent C,
  • the resin B is characterized by containing a resin B1 which is a reaction product of a resin having a primary amino group or a secondary amino group and a macromonomer having an acid anhydride structure at its terminal.
  • the resin composition of the present invention has excellent pigment dispersibility. Although the detailed reason why such an effect is obtained is unknown, Resin B1 has an amide bond formed by a reaction between a resin having a primary amino group or a secondary amino group and a macromonomer having an acid anhydride structure at the terminal. Since it is presumed to have a structure in which polymer chains are bonded via amide bonds, adsorption of resin B1 to the pigment surface is promoted by the amide bond sites of resin B1, and polymer chains becomes a steric repulsive group and can suppress aggregation between pigments, and as a result, a resin composition having excellent pigment dispersibility can be obtained.
  • the resin composition of the present invention it is possible to form a highly heat-resistant film that is resistant to decomposition even at high temperatures and is resistant to film shrinkage even after heat treatment at high temperatures.
  • the reaction between the resin having a primary amino group or a secondary amino group of the resin B1 and the macromonomer having an acid anhydride structure at the end causes an amide bond site
  • the ring is closed by heating during film formation to form an imide ring.
  • a high temperature for example, 300 ° C.
  • the film was heat-treated at 300° C. for 5 hours in a nitrogen atmosphere.
  • the thickness of the film after heat treatment at 350° C. for 5 hours in a nitrogen atmosphere is preferably 70% or more, and preferably 80% or more, of the thickness of the film before heat treatment. is more preferable, 90% or more is still more preferable, and 95% or more is particularly preferable.
  • the thickness of the film after heat treatment at 400° C. for 5 hours in a nitrogen atmosphere is preferably 70% or more, and preferably 80% or more, of the thickness of the film before heat treatment. is more preferable, 90% or more is still more preferable, and 95% or more is particularly preferable.
  • the absorbance change rate ⁇ A of the heat-treated film represented by the following formula (A1) is preferably 50% or less, more preferably 45% or less, and 40% or less. More preferably, it is particularly preferably 35% or less.
  • ⁇ A (%)
  • A1 is the maximum absorbance in the wavelength range of 400 to 1100 nm of the film before heat treatment
  • A2 is the absorbance of the film after heat treatment, which is the absorbance at the wavelength showing the maximum absorbance in the wavelength range of 400 to 1100 nm of the film before heat treatment.
  • the above physical properties can be achieved by a method such as adjusting the type and content of the specific resin to be used.
  • the wavelength ⁇ 1 showing the maximum absorbance in the wavelength range of 400 to 1100 nm of the film and the wavelength ⁇ 2 indicating the maximum absorbance of the film after the film is heat-treated at 300° C. for 5 hours in a nitrogen atmosphere. It is more preferably 40 nm or less.
  • the above physical properties can be achieved by a method such as adjusting the type and content of the specific resin used.
  • the maximum value of the absorbance change rate ⁇ A ⁇ in the wavelength range of 400 to 1100 nm of the film after heat treatment is preferably 30% or less, more preferably 27% or less, and further preferably 25% or less. preferable.
  • the change rate of absorbance is a value calculated from the following formula (2).
  • ⁇ A ⁇
  • ⁇ A ⁇ is the rate of change in absorbance at the wavelength ⁇ of the film after heat treatment
  • A1 ⁇ is the absorbance at wavelength ⁇ of the film before heat treatment
  • A2 ⁇ is the absorbance at wavelength ⁇ of the film after heat treatment.
  • the resin composition of the present invention is preferably used as a resin composition for optical filters.
  • the optical filter include a color filter, a near-infrared transmission filter, a near-infrared cut filter, and the like, and a color filter is preferable.
  • the resin composition of the present invention can be preferably used as a resin composition for solid-state imaging devices, and more preferably used as a resin composition for pixel formation of optical filters used in solid-state imaging devices.
  • color filters include filters having colored pixels that transmit light of a specific wavelength, and at least one colored pixel selected from red pixels, blue pixels, green pixels, yellow pixels, cyan pixels, and magenta pixels.
  • the filter has A color filter can be formed using a resin composition containing a chromatic colorant.
  • Examples of near-infrared cut filters include filters having a maximum absorption wavelength in the wavelength range of 700 to 1800 nm.
  • the maximum absorption wavelength of the near-infrared cut filter preferably exists in the wavelength range of 700 to 1300 nm, more preferably in the wavelength range of 700 to 1100 nm.
  • the transmittance of the near-infrared cut filter over the entire wavelength range of 400 to 650 nm is preferably 70% or more, more preferably 80% or more, and even more preferably 90% or more. Also, the transmittance at at least one point in the wavelength range of 700 to 1800 nm is preferably 20% or less.
  • absorbance Amax/absorbance A550 which is the ratio of absorbance Amax at the maximum absorption wavelength of the near-infrared cut filter and absorbance A550 at a wavelength of 550 nm, is preferably 20 to 500, more preferably 50 to 500. , more preferably 70-450, and particularly preferably 100-400.
  • a near-infrared cut filter can be formed using a resin composition containing a near-infrared absorbing colorant.
  • a near-infrared transmission filter is a filter that transmits at least part of near-infrared rays.
  • the near-infrared transmission filter is preferably a filter that blocks at least part of visible light and transmits at least part of near-infrared light.
  • the near-infrared transmission filter has a maximum transmittance of 20% or less (preferably 15% or less, more preferably 10% or less) in the wavelength range of 400 to 640 nm, and has a transmittance in the wavelength range of 1100 to 1300 nm. Filters satisfying spectral characteristics with a minimum value of 70% or more (preferably 75% or more, more preferably 80% or more) are preferred.
  • the near-infrared transmission filter is preferably a filter that satisfies any one of the following spectral characteristics (1) to (5).
  • the maximum transmittance in the wavelength range of 400 to 640 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 800 to 1500 nm is A filter that is 70% or more (preferably 75% or more, more preferably 80% or more).
  • the maximum transmittance in the wavelength range of 400 to 750 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 900 to 1500 nm is A filter that is 70% or more (preferably 75% or more, more preferably 80% or more).
  • the maximum transmittance in the wavelength range of 400 to 830 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1000 to 1500 nm is A filter that is 70% or more (preferably 75% or more, more preferably 80% or more).
  • the maximum transmittance in the wavelength range of 400 to 950 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1100 to 1500 nm is A filter that is 70% or more (preferably 75% or more, more preferably 80% or more).
  • the maximum transmittance in the wavelength range of 400 to 1050 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1200 to 1500 nm is A filter that is 70% or more (preferably 75% or more, more preferably 80% or more).
  • the transmittance of light in the thickness direction of the film has a wavelength of 360 to 700 nm.
  • An aspect that satisfies the spectral characteristics in which the maximum value in the range is 50% or more is exemplified.
  • a resin composition satisfying such spectral characteristics can be preferably used as a resin composition for forming pixels of a color filter. Specifically, it can be preferably used as a resin composition for forming colored pixels selected from red pixels, blue pixels, green pixels, yellow pixels, cyan pixels and magenta pixels.
  • the resin composition having the above spectral characteristics preferably contains a chromatic coloring material.
  • a resin composition containing a red colorant and a yellow colorant can be preferably used as a resin composition for forming red pixels.
  • a resin composition containing a blue colorant and a purple colorant can be preferably used as a resin composition for forming a blue pixel.
  • a resin composition containing a green colorant can be preferably used as a resin composition for forming green or cyan pixels.
  • the resin composition is used as a resin composition for forming green pixels, it is preferable that the resin composition further contains a yellow colorant in addition to the green colorant.
  • spectral characteristics of the resin composition of the present invention is that Amin/B, which is the ratio of the minimum absorbance Amin in the wavelength range of 400 to 640 nm and the absorbance B at a wavelength of 1500 nm, is 5 or more.
  • An embodiment that satisfies certain spectral characteristics is mentioned.
  • a resin composition satisfying such spectral characteristics can be preferably used as a resin composition for forming a near-infrared transmission filter.
  • the value of Amin/B, which is the absorbance ratio is preferably 7.5 or more, more preferably 15 or more, and even more preferably 30 or more.
  • the absorbance A ⁇ at the wavelength ⁇ is defined by the following formula ( ⁇ 1).
  • a ⁇ ⁇ log(T ⁇ /100) ( ⁇ 1)
  • a ⁇ is the absorbance at wavelength ⁇
  • T ⁇ is the transmittance (%) at wavelength ⁇ .
  • the absorbance value may be the value measured in the state of solution or the value of the film formed using the composition.
  • the composition is applied onto a glass substrate by a method such as spin coating, and dried using a hot plate or the like at 100° C. for 120 seconds to obtain a film. is preferred.
  • the resin composition of the present invention preferably satisfies any one of the following spectral characteristics (Ir1) to (Ir5).
  • A4/B4 which is the ratio of the minimum absorbance value A4 in the wavelength range of 400 to 950 nm to the maximum absorbance value B4 in the wavelength range of 1100 to 1500 nm, is 4.5 or more;7. It is preferably 5 or more, more preferably 15 or more, and even more preferably 30 or more.
  • A5/B5 which is the ratio of the minimum absorbance value A5 in the wavelength range of 400 to 1050 nm to the maximum absorbance value B5 in the wavelength range of 1200 to 1500 nm, is 4.5 or more;7. It is preferably 5 or more, more preferably 15 or more, and even more preferably 30 or more. According to this aspect, it is possible to form a film that can block light in the wavelength range of 400 to 1050 nm and transmit light in the wavelength range of 1150 nm or more.
  • the resin composition of the present invention is also preferably a resin composition for pattern formation by photolithography. According to this aspect, fine-sized pixels can be easily formed. Therefore, it can be particularly preferably used as a resin composition for forming pixels of optical filters used in solid-state imaging devices.
  • a component having an ethylenically unsaturated bond-containing group e.g., a resin having an ethylenically unsaturated bond-containing group or a monomer having an ethylenically unsaturated bond-containing group
  • a resin composition containing a photopolymerization initiator can be preferably used as a resin composition for pattern formation in photolithography. It is also preferable that the resin composition for pattern formation by photolithography further contains an alkali-soluble resin.
  • the resin composition of the present invention can also be used as a resin composition for forming a black matrix or a resin composition for forming a light shielding film.
  • the resin composition of the present invention contains coloring material A (hereinafter referred to as coloring material).
  • coloring material A examples include white colorants, black colorants, chromatic colorants, and near-infrared absorption colorants.
  • the white colorant includes not only a pure white colorant but also a light gray colorant close to white (for example, grayish white, light gray, etc.).
  • the colorant preferably contains at least one selected from the group consisting of a chromatic colorant, a black colorant, and a near-infrared absorbing colorant, and is selected from the group consisting of a chromatic colorant and a near-infrared absorbing colorant. More preferably, it contains at least one colorant, more preferably contains a chromatic colorant, and at least one chromatic colorant selected from the group consisting of a red colorant, a yellow colorant, a blue colorant, and a purple colorant. It is even more preferred to include a material.
  • the colorant preferably contains a chromatic colorant and a near-infrared absorbing colorant, and preferably contains two or more kinds of chromatic colorant and near-infrared absorbing colorant.
  • black may be formed by a combination of two or more chromatic colorants.
  • the colorant preferably contains a black colorant and a near-infrared absorbing colorant.
  • the resin composition of the present invention can be preferably used as a resin composition for forming a near-infrared transmission filter.
  • the coloring material contained in the resin composition of the present invention contains a pigment.
  • the pigment may be either an inorganic pigment or an organic pigment, but an organic pigment is preferred from the viewpoints of color variation, ease of dispersibility, safety, and the like.
  • the pigment preferably contains at least one selected from chromatic pigments and near-infrared absorbing pigments, and more preferably contains a chromatic pigment.
  • the pigment contains at least one selected from phthalocyanine pigments, dioxazine pigments, quinacridone pigments, anthraquinone pigments, perylene pigments, azo pigments, diketopyrrolopyrrole pigments, pyrrolopyrrole pigments, isoindoline pigments, quinophthalone pigments and pteridine pigments. It preferably contains at least one selected from phthalocyanine pigments, diketopyrrolopyrrole pigments and pyrrolopyrrole pigments, and even more preferably contains a phthalocyanine pigment or a diketopyrrolopyrrole pigment.
  • phthalocyanine pigments are phthalocyanine pigments that do not have a central metal or have copper or zinc as a central metal because they tend to form films whose spectral characteristics are less likely to change even after heating to a high temperature (e.g., 300° C. or higher). Phthalocyanine pigments are preferred.
  • the average primary particle size 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 size of the pigment can be determined from the photograph obtained by observing the primary particles of the pigment with a transmission electron microscope. Specifically, the projected area of the primary particles of the pigment is obtained, and the corresponding circle equivalent diameter is calculated as the primary particle diameter of the pigment.
  • the average primary particle size in the present invention is the arithmetic mean value of the primary particle sizes of 400 primary particles of the pigment. Further, the primary particles of the pigment refer to independent particles without agglomeration.
  • chromatic coloring materials include coloring materials having a maximum absorption wavelength in the wavelength range of 400 to 700 nm. Examples thereof include yellow colorants, orange colorants, red colorants, green colorants, purple colorants, and blue colorants.
  • the chromatic colorant is preferably a pigment (chromatic pigment), more preferably a red pigment, a yellow pigment, and a blue pigment, and still more preferably a red pigment and a blue pigment. Specific examples of chromatic pigments include those shown below.
  • C.I. I. Pigment Red 254, C.I. I. Pigment Red 264, C.I. I. Pigment Red 272, C.I. I. Pigment Red 122, C.I. I. Pigment Red 177, C.I. I. Pigment Red 179 is preferred.
  • As a blue pigment C.I. I. Pigment Blue 15:3, C.I. I. Pigment Blue 15:4, C.I. I. Pigment Blue 15:6, C.I. I. Pigment Blue 16 is preferred.
  • a halogenated zinc phthalocyanine pigment having an average number of halogen atoms of 10 to 14, an average number of bromine atoms of 8 to 12, and an average number of chlorine atoms of 2 to 5 per molecule.
  • Specific examples include compounds described in International Publication No. 2015/118720.
  • Phthalocyanine compounds phthalocyanine compounds described in JP-A-2018-180023, compounds described in JP-A-2019-038958, aluminum phthalocyanine compounds described in JP-A-2020-070426, JP-A-2020-076995 Core-shell type dyes and the like described can also be used.
  • an aluminum phthalocyanine pigment having a phosphorus atom can be used as the blue pigment.
  • Specific examples include compounds described in paragraph numbers 0022 to 0030 of JP-A-2012-247591 and paragraph number 0047 of JP-A-2011-157478.
  • a nickel azobarbiturate complex having the following structure can also be used.
  • X 1 to X 16 each independently represent a hydrogen atom or a halogen atom, and Z 1 represents an alkylene group having 1 to 3 carbon atoms.
  • Specific examples of the compound represented by formula (QP1) include compounds described in paragraph number 0016 of Japanese Patent No. 6443711 .
  • Y 1 to Y 3 each independently represent a halogen atom.
  • n and m are integers from 0 to 6; p is 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 paragraphs 0047 to 0048 of Japanese Patent No. 6432077.
  • diketopyrrolopyrrole compounds in which at least one bromine atom is substituted in the structure described in JP-A-2017-201384 diketopyrrolopyrrole compounds described in paragraphs 0016 to 0022 of Japanese Patent No.
  • the pyrrolopyrrole pigment has a crystallite size of 140 ⁇ or less in the plane direction corresponding to the maximum peak in the X-ray diffraction pattern among the eight planes ( ⁇ 1 ⁇ 1 ⁇ 1) of the crystal lattice planes. is also preferred. Further, the physical properties of the pyrrolopyrrole pigment are preferably set as described in paragraphs 0028 to 0073 of JP-A-2020-097744.
  • chromatic colorants triarylmethane dye polymers described in Korean Patent Publication No. 10-2020-0028160, xanthene compounds described in JP-A-2020-117638, and International Publication No. 2020/174991.
  • the phthalocyanine compound described, the isoindoline compound described in JP-A-2020-160279, or a salt thereof can be used.
  • Two or more chromatic colorants may be used in combination.
  • the combination of two or more chromatic colorants may form a black color. Examples of such combinations include the following aspects (1) to (7).
  • the resin composition of the present invention forms a near-infrared transmission filter. It can be preferably used as a resin composition for (1) A mode containing a red colorant and a blue colorant. (2) A mode containing a red colorant, a blue colorant, and a yellow colorant.
  • a mode containing a red colorant, a blue colorant, a yellow colorant, and a purple colorant is a mode containing a red colorant, a blue colorant, a yellow colorant, a purple colorant, and a green colorant.
  • a mode containing a red colorant, a blue colorant, a yellow colorant, and a green colorant is a mode containing a red colorant, a blue colorant, and a green colorant.
  • a mode containing a red colorant, a blue colorant, and a green colorant is containing a yellow colorant and a purple colorant.
  • White colorants include titanium oxide, strontium titanate, barium titanate, zinc oxide, magnesium oxide, zirconium oxide, aluminum oxide, barium sulfate, silica, talc, mica, aluminum hydroxide, calcium silicate, aluminum silicate, Examples include hollow resin particles and inorganic pigments (white pigments) such as zinc sulfide.
  • the white pigment is preferably particles containing titanium atoms, more preferably titanium oxide.
  • the white pigment is preferably particles having a refractive index of 2.10 or more for light with a wavelength of 589 nm. The aforementioned refractive index is preferably 2.10 to 3.00, more preferably 2.50 to 2.75.
  • the white pigment can also use the titanium oxide described in "Titanium Oxide Physical Properties and Application Techniques Manabu Seino, Pages 13-45, June 25, 1991, published by Gihodo Publishing".
  • the white pigment is not only made of a single inorganic substance, but also particles combined with other materials may be used.
  • particles having voids or other materials inside, particles in which a large number of inorganic particles are attached to a core particle, and core-shell composite particles consisting of a core particle made of polymer particles and a shell layer made of inorganic nanoparticles are used. is preferred.
  • the core and shell composite particles composed of the core particles composed of the polymer particles and the shell layer composed of the inorganic nanoparticles for example, the description of paragraphs 0012 to 0042 of JP-A-2015-047520 can be referred to, The contents of which are incorporated herein.
  • Hollow inorganic particles can also be used as the white pigment.
  • a hollow inorganic particle is an inorganic particle having a structure having a cavity inside, and refers to an inorganic particle having a cavity surrounded by an outer shell.
  • Examples of hollow inorganic particles include hollow inorganic particles described in JP 2011-075786, WO 2013/061621, JP 2015-164881, etc., the contents of which are incorporated herein. be
  • the black colorant is not particularly limited, and known ones can be used.
  • inorganic black colorants include inorganic pigments (inorganic black pigments) such as carbon black, titanium black, and graphite. Carbon black and titanium black are preferred, and titanium black is more preferred.
  • Titanium black is black particles containing titanium atoms, preferably low order titanium oxide or titanium oxynitride. Titanium black can be surface-modified as necessary for the purpose of improving dispersibility, suppressing cohesion, and the like. For example, it is possible to coat the surface of titanium black with silicon oxide, titanium oxide, germanium oxide, aluminum oxide, magnesium oxide, or zirconium oxide. Further, treatment with a water-repellent substance as disclosed in Japanese Patent Laid-Open No.
  • Titanium black preferably has a small primary particle size and an average primary particle size of individual particles. Specifically, the average primary particle size is preferably 10 to 45 nm. Titanium black can also be used as a dispersion. For example, a dispersion containing titanium black particles and silica particles, in which the content ratio of Si atoms and Ti atoms in the dispersion is adjusted to the range of 0.20 to 0.50, may be mentioned. Regarding the dispersion, the description in paragraphs 0020 to 0105 of JP-A-2012-169556 can be referred to, and the contents thereof are incorporated herein.
  • titanium black examples include titanium black 10S, 12S, 13R, 13M, 13M-C, 13R-N, 13M-T (trade name: manufactured by Mitsubishi Materials Corporation), Tilac D ( Trade name: manufactured by Ako Kasei Co., Ltd.) and the like.
  • an inorganic black pigment C.I. I. Pigment Black 1, 7, etc. can also be used.
  • organic black colorants include bisbenzofuranone compounds, azomethine compounds, perylene compounds, and azo compounds.
  • bisbenzofuranone compounds include compounds described in Japanese Patent Application Publication No. 2010-534726, Japanese Patent Application Publication No. 2012-515233, Japanese Patent Application Publication No. 2012-515234, etc.
  • "Irgaphor Black” manufactured by BASF Corporation. Available examples of perylene compounds include compounds described in paragraphs 0016 to 0020 of JP-A-2017-226821, C.I. I. Pigment Black 31, 32 and the like.
  • the azomethine compound include compounds described in JP-A-01-170601, JP-A-02-034664, and the like.
  • the coloring material used in the resin composition of the present invention may be the above-described black coloring material only, or may further contain a chromatic coloring material. According to this aspect, it is easy to obtain a resin composition capable of forming a film having excellent light-shielding properties in the visible region.
  • chromatic colorant 100:10 to 300, preferably 100:20 to 200. is more preferable.
  • it is preferable to use a black pigment as the black colorant and it is preferable to use a chromatic pigment as the chromatic colorant.
  • Preferred combinations of black colorants and chromatic colorants include, for example, the following.
  • A-1 An embodiment containing an organic black colorant and a blue colorant.
  • A-2) An embodiment containing an organic black colorant, a blue colorant and a yellow colorant.
  • A-3) An embodiment containing an organic black colorant, a blue colorant, a yellow colorant and a red colorant.
  • A-4) An embodiment containing an organic black colorant, a blue colorant, a yellow colorant and a purple colorant.
  • the near-infrared absorbing colorant is preferably a pigment, more preferably an organic pigment. Also, the near-infrared absorbing colorant preferably has a maximum absorption wavelength in the range of more than 700 nm and 1400 nm or less. Also, the maximum absorption wavelength of the near-infrared absorbing colorant is preferably 1200 nm or less, more preferably 1000 nm or less, and even more preferably 950 nm or less.
  • the near-infrared absorbing colorant preferably has an A 550 /A max ratio of the absorbance A 550 at a wavelength of 550 nm to the absorbance A max at the maximum absorption wavelength of 0.1 or less, and is 0.05 or less. is more preferably 0.03 or less, and particularly preferably 0.02 or less.
  • the lower limit is not particularly limited, but can be, for example, 0.0001 or more, and can also be 0.0005 or more. If the absorbance ratio is within the above range, a near-infrared absorbing colorant having excellent visible light transparency and near-infrared shielding properties can be obtained.
  • the maximum absorption wavelength of the near-infrared absorbing colorant and the absorbance at each wavelength are values obtained from the absorption spectrum of a film formed using a resin composition containing the near-infrared absorbing colorant.
  • Near-infrared absorbing colorants include pyrrolopyrrole compounds, cyanine compounds, squarylium compounds, phthalocyanine compounds, naphthalocyanine compounds, quaterrylene compounds, merocyanine compounds, croconium compounds, oxonol compounds, iminium compounds, dithiol compounds, triarylmethane compounds, and pyrromethene compounds. , azomethine compounds, anthraquinone compounds, dibenzofuranone compounds, dithiolene metal complexes, metal oxides, metal borides, and the like.
  • pyrrolopyrrole compound compounds described in paragraph numbers 0016 to 0058 of JP-A-2009-263614, compounds described in paragraph numbers 0037-0052 of JP-A-2011-068731, WO 2015/166873 Compounds described in Paragraph Nos. 0010 to 0033 and the like.
  • examples of the squarylium compound include compounds described in paragraph numbers 0044 to 0049 of JP-A-2011-208101, compounds described in paragraph numbers 0060 to 0061 of Japanese Patent No. 6065169, and paragraph number 0040 of WO 2016/181987.
  • Examples of croconium compounds include compounds described in JP-A-2017-082029.
  • As the iminium compound for example, compounds described in JP-A-2008-528706, compounds described in JP-A-2012-012399, compounds described in JP-A-2007-092060, International Publication No. 2018/043564 and the compounds described in paragraphs 0048 to 0063 of.
  • Examples of the phthalocyanine compound include compounds described in paragraph number 0093 of JP-A-2012-077153, oxytitanium phthalocyanine described in JP-A-2006-343631, and paragraph numbers 0013 to 0029 of JP-A-2013-195480. compounds, vanadium phthalocyanine compounds described in Japanese Patent No. 6081771, vanadium phthalocyanine compounds described in International Publication No. 2020/071486, and phthalocyanine compounds described in International Publication No. 2020/071470. Examples of naphthalocyanine compounds include compounds described in paragraph number 0093 of JP-A-2012-077153. Dithiolene metal complexes include compounds described in Japanese Patent No. 5733804.
  • metal oxides 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 New Metal Co., Ltd.).
  • a metal boride the compound as described in international publication 2017/119394 can also be used.
  • commercially available products of indium tin oxide include F-ITO (manufactured by DOWA Hitech Co., Ltd.).
  • the near-infrared absorbing colorant the squarylium compound described in JP-A-2017-197437, the squarylium compound described in JP-A-2017-025311, the squarylium compound described in International Publication No. 2016/154782, the patent Squarylium compounds described in Japanese Patent No. 5884953, squarylium compounds described in Japanese Patent No. 6036689, squarylium compounds described in Japanese Patent No. 5810604, squarylium compounds described in paragraph numbers 0090 to 0107 of International Publication No.
  • amide-linked squarylium compounds compounds having a pyrrole bis-type squarylium skeleton or croconium skeleton described in JP-A-2017-141215, dihydrocarbazole bis-type squarylium compounds described in JP-A-2017-082029, JP-A-2017 -Asymmetric compounds described in paragraph numbers 0027 to 0114 of JP-A-068120, pyrrole ring-containing compounds (carbazole type) described in JP-A-2017-067963, phthalocyanine compounds described in Japanese Patent No. 6251530, etc. can also be used.
  • the content of the coloring material in the total solid content of the resin composition is preferably 20 to 90% by mass.
  • the lower limit is preferably 30% by mass or more, more preferably 40% by mass or more, and even more preferably 50% by mass or more.
  • the upper limit is preferably 80% by mass or less, more preferably 70% by mass or less.
  • the content of the pigment in the total solid content of the resin composition is preferably 20 to 90% by mass.
  • the lower limit is preferably 30% by mass or more, more preferably 40% by mass or more, and even more preferably 50% by mass or more.
  • the upper limit is preferably 80% by mass or less, more preferably 70% by mass or less.
  • the content of the dye in the coloring material is preferably 50% by mass or less, more preferably 40% by mass or less, and even more preferably 30% by mass or less.
  • the resin composition of the present invention does not substantially contain a dye because it is easy to more effectively suppress changes in film thickness when the obtained film is heated to a high temperature.
  • the content of the dye in the total solid content of the resin composition of the present invention is preferably 0.1% by mass or less, and 0.05% by mass. It is more preferable that it is below, and it is particularly preferable not to contain.
  • the resin composition of the present invention contains resin B (hereinafter also referred to as resin).
  • resin B hereinafter also referred to as resin
  • the resin contained in the resin composition is a resin B1 (hereinafter also referred to as a specific resin) which is a reaction product of a resin having a primary amino group or a secondary amino group and a macromonomer having an acid anhydride structure at the terminal.
  • the resin having a primary amino group or secondary amino group (hereinafter also referred to as amine polymer M) related to the specific resin will be described.
  • the amine polymer M may be any resin having a primary amino group or secondary amino group, and examples thereof include polyalkyleneimine, polyallylamine, polydiallylamine, and aminoethylated acrylic polymer.
  • a primary amino group means a group represented by —NH 2 .
  • the secondary amino group means a group represented by *-NH-*, where "*" is a connecting portion with a carbon atom.
  • the amine polymer M is preferably a resin having primary amino groups. Further, the amine polymer M is preferably a resin having 3 or more amino groups, more preferably a resin having a total of 3 or more primary amino groups and secondary amino groups. is more preferably a resin having 3 or more.
  • polyalkyleneimine refers to a polymer obtained by ring-opening polymerization of alkyleneimine and having at least a secondary amino group.
  • the polyalkyleneimine may contain a primary amino group or a tertiary amino group in addition to the secondary amino group.
  • alkyleneimine include ethyleneimine, propyleneimine, 1,2-butyleneimine, 2,3-butyleneimine and the like, preferably ethyleneimine or propyleneimine, more preferably ethyleneimine. preferable. That is, the polyalkyleneimine is preferably polyethyleneimine.
  • the polyalkyleneimine may be a linear polymer or a polymer having a branched structure.
  • linear polyethyleneimine examples include polyethyleneimine commercially available from FUJIFILM Wako Pure Chemical Industries, Ltd.
  • Commercial products of polyethyleneimine having a branched structure include the Epomin series (manufactured by Nippon Shokubai Co., Ltd.).
  • polyallylmiamine Commercially available products of polyallylmiamine include the PAA series (manufactured by Nittobo Medical Co., Ltd.). Commercially available products of polydiallylamine include PAS series (manufactured by Nittobo Medical Co., Ltd.). Examples of commercially available aminoethylated acrylic polymers include Polyment Series (manufactured by Nippon Shokubai Co., Ltd.).
  • the amine polymer M is preferably a compound having a molecular weight distribution. Further, the molecular weight of the amine polymer M is preferably 300 to 100,000, more preferably 300 to 10,000, even more preferably 300 to 2,000. When the molecular weight of the amine polymer M can be measured by the boiling point elevation method, the value of the number average molecular weight measured by the boiling point elevation method is used. When the boiling point elevation method cannot be used or the measurement is difficult, the value of the number average molecular weight measured by the viscosity method is used.
  • the value of the number average molecular weight in terms of polystyrene measured by the GPC (gel permeation chromatography) method is used.
  • the amine value of the amine polymer M is preferably 5 mgKOH/g or more, more preferably 280 mgKOH/g or more, still more preferably 560 mgKOH/g or more, most preferably 840 mgKOH/g or more. Although the upper limit is not specified, it is generally 1500 mgKOH/g or less.
  • macromonomer AH having an acid anhydride structure at its end
  • Macromonomer AH is preferably a compound having an acid anhydride structure at the end of the polymer chain. Moreover, the number of terminal acid anhydride structures in the macromonomer AH is preferably one.
  • Macromonomer AH is preferably a compound represented by formula (AH1).
  • R AH1 ⁇ (L AH1 ⁇ P AH1 ) m (AH1) In formula (AH1), R AH1 represents a group having an acid anhydride structure, L AH1 represents a divalent linking group, P AH1 represents the polymer chain, m represents an integer of 1 to 5;
  • the group having an acid anhydride structure represented by RAH1 in formula ( AH1 ) is preferably a group having a cyclic acid anhydride structure.
  • Examples of the group containing a cyclic acid anhydride structure include groups containing structures represented by formulas (AH-1) to (AH-6) shown below, and may be formula (AH-3). preferable.
  • R AH1 Specific examples of the group having an acid anhydride structure represented by R AH1 include groups represented by formulas (AAH-1) to (AAH-10) shown below, and represented by formula (AAH-10) It is preferably a group that is In the following formulas, * is the linking part with L AH1 in formula (AH1).
  • the divalent linking group represented by L AH1 in formula (AH1) includes a hydrocarbon group, a heterocyclic group, —NR LH1 —, —SO—, —SO 2 —, —CO—, —O—, and —COO—. , —OCO—, —S—, —NR LH1 CO— , —CONR LH1 —, and groups in which two or more of these are combined.
  • R LH1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • Hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups.
  • the number of carbon atoms in the aliphatic hydrocarbon group is preferably 1-30, more preferably 1-20, even more preferably 1-15.
  • the aliphatic hydrocarbon group may be linear, branched or cyclic.
  • the cyclic aliphatic hydrocarbon group may be monocyclic or condensed.
  • the cyclic aliphatic hydrocarbon group may have a crosslinked structure.
  • the number of carbon atoms in the aromatic hydrocarbon group is preferably 6-30, more preferably 6-20, even more preferably 6-10.
  • the heterocyclic group may be a non-aromatic heterocyclic group or an aromatic heterocyclic group.
  • the heterocyclic group is preferably a 5- or 6-membered ring.
  • Types of heteroatoms constituting the heterocyclic group include a nitrogen atom, an oxygen atom, a sulfur atom and the like.
  • the number of heteroatoms constituting the heterocyclic group is preferably 1-3.
  • the heterocyclic group may be monocyclic or condensed.
  • a hydrocarbon group and a heterocyclic group may have a substituent. Substituents include the substituent T described later.
  • the polymer chain represented by P AH1 of formula (AH1) is preferably a polymer chain containing repeating units of at least one structure selected from polyether structure, polyester structure, poly(meth)acrylic structure, and polystyrene structure.
  • Poly(meth)acrylic structure and polystyrene structure more preferably a polymer chain containing a repeating unit of at least one structure, from the viewpoint of dispersibility and heat resistance of the pigment, repeating poly(meth)acrylic structure More preferred are polymer chains comprising units.
  • the polymer chain represented by PAH1 may have a crosslinkable group.
  • crosslinkable groups include ethylenically unsaturated bond-containing groups such as vinyl groups, (meth)allyl groups and (meth)acryloyl groups, cyclic ether groups such as epoxy groups and oxetane groups, and blocked isocyanate groups.
  • the blocked isocyanate group is a group capable of generating an isocyanate group by heat, and for example, a group obtained by reacting a blocking agent with an isocyanate group to protect the isocyanate group can be preferably exemplified.
  • blocking agents include oxime compounds, lactam compounds, phenol compounds, alcohol compounds, amine compounds, active methylene compounds, pyrazole compounds, mercaptan compounds, imidazole compounds, and imide compounds.
  • Blocking agents include compounds described in paragraphs 0115 to 0117 of JP-A-2017-067930, the contents of which are incorporated herein.
  • the blocked isocyanate group is preferably a group capable of generating an isocyanate group by heating at 90 to 260°C.
  • the polymer chain represented by PAH1 also preferably has a tertiary alkyl group.
  • a tertiary alkyl group includes a t-butyl group and the like.
  • polymer chains represented by P AH1 contain epoxy or oxetane groups and t-butyl groups, respectively.
  • the polymer chain represented by P AH1 preferably contains a repeating unit represented by any one of formulas (P1-1) to (P1-6), and is represented by formula (P1-5) or formula (P1-6). It more preferably contains a repeating unit represented by the formula (P1-5), and more preferably contains a repeating unit represented by formula (P1-5).
  • R G1 and R G2 each represent an alkylene group.
  • the alkylene group represented by R G1 and R G2 is preferably a linear or branched alkylene group having 1 to 20 carbon atoms, and is a linear or branched alkylene group having 2 to 16 carbon atoms. More preferably, it is a linear or branched alkylene group having 3 to 12 carbon atoms.
  • RG3 represents a hydrogen atom, a methyl group, a fluorine atom, a chlorine atom or a hydroxymethyl group, preferably a hydrogen atom or a methyl group.
  • Q G1 represents -O- or -NR q -
  • R q represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.
  • Q G1 is preferably -O-.
  • the number of carbon atoms in the alkyl group represented by R q is preferably 1 to 30, more preferably 1 to 15, still more preferably 1 to 8, even more preferably 1 to 5, and particularly preferably 1 to 3.
  • the alkyl group may be linear, branched or cyclic, preferably linear or branched, more preferably linear.
  • the aryl group represented by R q preferably has 6 to 30 carbon atoms, more preferably 6 to 20 carbon atoms, and still more preferably 6 to 12 carbon atoms.
  • the heterocyclic group represented by R q may be a non-aromatic heterocyclic group or an aromatic heterocyclic group.
  • the heterocyclic group is preferably a 5- or 6-membered ring.
  • Types of heteroatoms constituting the heterocyclic group include a nitrogen atom, an oxygen atom, a sulfur atom and the like.
  • the number of heteroatoms constituting the heterocyclic group is preferably 1-3.
  • the heterocyclic group may be monocyclic or condensed.
  • the alkyl group, aryl group and heterocyclic group described above may have a substituent or may be unsubstituted. Substituents include the substituent T described later.
  • LG1 represents a single bond or an arylene group, preferably a single bond.
  • LG2 represents a single bond or a divalent linking group.
  • the divalent linking group includes an alkylene group (preferably an alkylene group having 1 to 12 carbon atoms), an arylene group (preferably an arylene group having 6 to 20 carbon atoms), —NR LG1 —, —SO—, and —SO 2 .
  • RLG1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • the above-described alkylene group and arylene may have a substituent or may be unsubstituted. Substituents include the substituent T described below.
  • RG4 represents a hydrogen atom or a substituent.
  • Substituents include hydroxy group, carboxy group, alkyl group, aryl group, heterocyclic group, alkoxy group, aryloxy group, heterocyclic oxy group, alkylthioether group, arylthioether group, heterocyclic thioether group, and ethylenically unsaturated Examples include bond-containing groups, epoxy groups, oxetanyl groups, blocked isocyanate groups, and the like.
  • R G4 is preferably at least one selected from an alkyl group, an aryl group, an ethylenically unsaturated bond-containing group, an epoxy group and an oxetanyl group, an ethylenically unsaturated bond-containing group, an epoxy group, an oxetanyl group, and More preferably, it is at least one selected from t-butyl groups.
  • RG5 represents a hydrogen atom or a methyl group
  • RG6 represents an aryl group.
  • the aryl group represented by R G6 preferably has 6 to 30 carbon atoms, more preferably 6 to 20 carbon atoms, and still more preferably 6 to 12 carbon atoms.
  • the aryl group represented by RG6 may have a substituent.
  • Substituents include hydroxy group, carboxy group, alkyl group, aryl group, heterocyclic group, alkoxy group, aryloxy group, heterocyclic oxy group, alkylthioether group, arylthioether group, heterocyclic thioether group, and ethylenically unsaturated Examples include bond-containing groups, epoxy groups, oxetanyl groups, blocked isocyanate groups, and the like.
  • the polymer chain represented by PAH1 may contain two or more repeating units.
  • the weight average molecular weight of the polymer chain represented by PAH1 is preferably 500 to 100,000, more preferably 1,000 to 50,000, even more preferably 2,000 to 20,000. If the weight-average molecular weight of the polymer chain is within the above range, more excellent dispersibility of the pigment is likely to be obtained.
  • the weight average molecular weight of the polymer chain can be measured by GPC (gel permeation chromatography). More specifically, it can be calculated from the weight average molecular weight of the raw material monomer used for introducing the polymer chain.
  • Examples of the above-mentioned substituent T include the following groups. Alkyl groups (preferably alkyl groups having 1 to 30 carbon atoms), alkenyl groups (preferably alkenyl groups having 2 to 30 carbon atoms), alkynyl groups (preferably alkynyl groups having 2 to 30 carbon atoms), aryl groups (preferably aryl group having 6 to 30 carbon atoms), amino group (preferably amino group having 0 to 30 carbon atoms), alkoxy group (preferably alkoxy group having 1 to 30 carbon atoms), aryloxy group (preferably 6 to 30 aryloxy groups), heteroaryloxy groups (preferably heteroaryloxy groups having 1 to 30 carbon atoms), acyl groups (preferably acyl groups having 2 to 30 carbon atoms), alkoxycarbonyl groups (preferably 2 carbon atoms alkoxycarbonyl group to 30), aryloxycarbonyl group (preferably aryloxycarbonyl group having 7 to 30 carbon atoms), acyloxy group (preferably acyloxy group having
  • m in formula (AH1) represents an integer of 1 to 5, preferably 1 or 2, more preferably 1.
  • Macromonomer AH is preferably a compound represented by formula (AH2).
  • L AH2 represents a divalent linking group
  • P AH2 represents a polymer chain.
  • Examples of the divalent linking group represented by L AH2 of formula (AH2) include a hydrocarbon group, a heterocyclic group, —NR LH2 —, —SO—, —SO 2 —, —CO—, —O—, and —COO— , —OCO—, —S—, —NR LH2 CO—, —CONR LH2 —, and groups in which two or more of these are combined.
  • R LH2 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • Hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups.
  • the number of carbon atoms in the aliphatic hydrocarbon group is preferably 1-30, more preferably 1-20, even more preferably 1-15.
  • the aliphatic hydrocarbon group may be linear, branched or cyclic.
  • the cyclic aliphatic hydrocarbon group may be monocyclic or condensed.
  • the cyclic aliphatic hydrocarbon group may have a crosslinked structure.
  • the number of carbon atoms in the aromatic hydrocarbon group is preferably 6-30, more preferably 6-20, even more preferably 6-10.
  • the heterocyclic group may be a non-aromatic heterocyclic group or an aromatic heterocyclic group.
  • the heterocyclic group is preferably a 5- or 6-membered ring.
  • Types of heteroatoms constituting the heterocyclic group include a nitrogen atom, an oxygen atom, a sulfur atom and the like.
  • the number of heteroatoms constituting the heterocyclic group is preferably 1-3.
  • the heterocyclic group may be monocyclic or condensed.
  • a hydrocarbon group and a heterocyclic group may have a substituent. Examples of the substituent include the substituent T described above.
  • P AH2 of formula (AH2) is synonymous with P AH1 of formula (AH1).
  • the weight average molecular weight of the macromonomer AH is preferably from 500 to 100,000, more preferably from 1,000 to 50,000, even more preferably from 2,000 to 20,000.
  • Macromonomer AH can be synthesized, for example, by the following method.
  • [1] A method of synthesizing a polymer obtained by radically polymerizing a radically polymerizable compound using a thiol chain transfer agent having a hydroxyl group or an amino group, and reacting it with an acid anhydride.
  • [2] A method of synthesizing a polymer having a terminal thiol group by adding enethiol to an unsaturated acid anhydride.
  • the specific resin is preferably a resin containing a structure represented by formula (b1).
  • the wavy line represents a bond
  • X b1 represents an n+2-valent linking group
  • X b2 represents O or NR x1
  • R x1 represents a hydrogen atom or a substituent
  • L b1 represents a single bond.
  • P b1 represents a polymer chain
  • R b1 represents a hydrogen atom, a substituent or a counterion
  • n represents an integer of 1 or more.
  • Examples of the n+2-valent linking group represented by X b1 in formula (b1) include a group containing a hydrocarbon group.
  • Groups containing hydrocarbon groups include hydrocarbon groups; hydrocarbon groups, heterocyclic groups, -C(CF 3 ) 2 -, -NR Xb1 -, -SO-, -SO 2 -, -CO-, - Examples thereof include groups combined with at least one group selected from O—, —COO—, —OCO—, —S—, —NR Xb1 CO— and —CONR Xb1 —.
  • R Xb1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • Hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups.
  • the number of carbon atoms in the aliphatic hydrocarbon group is preferably 1-30, more preferably 1-20, even more preferably 1-15.
  • the aliphatic hydrocarbon group may be linear, branched or cyclic.
  • the cyclic aliphatic hydrocarbon group may be monocyclic or condensed.
  • the cyclic aliphatic hydrocarbon group may have a crosslinked structure.
  • the number of carbon atoms in the aromatic hydrocarbon group is preferably 6-30, more preferably 6-20, even more preferably 6-10.
  • the heterocyclic group may be a non-aromatic heterocyclic group or an aromatic heterocyclic group.
  • the heterocyclic group is preferably a 5- or 6-membered ring.
  • Types of heteroatoms constituting the heterocyclic group include a nitrogen atom, an oxygen atom, a sulfur atom and the like.
  • the number of heteroatoms constituting the heterocyclic group is preferably 1-3.
  • the heterocyclic group may be monocyclic or condensed.
  • a hydrocarbon group and a heterocyclic group may have a substituent. Examples of the substituent include the substituent T described above.
  • the n+2-valent linking group represented by X b1 in formula (b1) is preferably a group containing a cyclic aliphatic hydrocarbon group or a group containing an aromatic hydrocarbon group, and is a group containing an aromatic hydrocarbon group. is more preferred, and a group containing a benzene ring group is even more preferred.
  • X b2 in formula (b1) represents O or NR x1
  • R x1 represents a hydrogen atom or a substituent.
  • R x1 examples include an alkyl group and an aryl group. Alkyl groups and aryl groups may further have substituents. Examples of the substituent include the groups described for the substituent T described above.
  • X b2 in formula (b1) is preferably O.
  • Lb1 in formula ( b1 ) represents a single bond or a divalent linking group, preferably a divalent linking group.
  • the divalent linking group represented by L b1 includes a hydrocarbon group, a heterocyclic group, -NR Lb1 -, -SO-, -SO 2 -, -CO-, -O-, -COO-, -OCO-, —S—, —NR Lb1 CO—, —CONR Lb1 —, and groups in which two or more of these are combined.
  • R Lb1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • Hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups.
  • the number of carbon atoms in the aliphatic hydrocarbon group is preferably 1-30, more preferably 1-20, even more preferably 1-15.
  • the aliphatic hydrocarbon group may be linear, branched or cyclic.
  • the cyclic aliphatic hydrocarbon group may be monocyclic or condensed.
  • the cyclic aliphatic hydrocarbon group may have a crosslinked structure.
  • the number of carbon atoms in the aromatic hydrocarbon group is preferably 6-30, more preferably 6-20, even more preferably 6-10.
  • the heterocyclic group may be a non-aromatic heterocyclic group or an aromatic heterocyclic group.
  • the heterocyclic group is preferably a 5- or 6-membered ring.
  • Types of heteroatoms constituting the heterocyclic group include a nitrogen atom, an oxygen atom, a sulfur atom and the like.
  • the number of heteroatoms constituting the heterocyclic group is preferably 1-3.
  • the heterocyclic group may be monocyclic or condensed.
  • a hydrocarbon group and a heterocyclic group may have a substituent. Examples of the substituent include the substituent T described above.
  • the divalent linking group represented by L b1 is preferably a divalent linking group containing a sulfur atom, more preferably a group represented by formula (L-1).
  • *1 is the linking portion with X b2 in formula (b1)
  • *2 is the linking portion with P b1 in formula (b1)
  • L b10 is a hydrocarbon group, Alternatively, it represents a group in which two or more hydrocarbon groups are bonded with a single bond or a linking group.
  • Examples of the hydrocarbon group represented by L b10 include the hydrocarbon groups described for L b1 .
  • the linking group linking two or more hydrocarbon groups includes -NR Lb1 -, -SO-, -SO 2 -, -CO-, -O-, -COO-, -OCO-, -S-, -NR Lb1 CO— and —CONR Lb1 — are included.
  • R Lb1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • P b1 in formula (b1) represents a polymer chain.
  • the polymer chain represented by Pb1 in formula ( b1 ) has the same meaning as the polymer chain represented by PAH1 in formula ( AH1 ), and the preferred ranges are also the same.
  • Rb1 in formula ( b1 ) represents a hydrogen atom, a substituent or a counterion.
  • substituent represented by R b1 include groups containing an alkyl group, an aryl group, and a crosslinkable group.
  • crosslinkable groups include ethylenically unsaturated bond-containing groups such as vinyl groups, (meth)allyl groups and (meth)acryloyl groups, cyclic ether groups such as epoxy groups and oxetane groups, and blocked isocyanate groups.
  • Alkyl groups and aryl groups may further have substituents. Examples of the substituent include the groups described for the substituent T described above.
  • Counter ions represented by R b1 include alkali metal ions (Li + , Na + , K + , etc.), ammonium ions, imidazolium ions, pyridinium ions, phosphonium ions, and the like.
  • R b1 in formula (b1) is preferably a hydrogen atom or a substituent, more preferably a hydrogen atom or a group containing a crosslinkable group, and still more preferably a hydrogen atom.
  • n in formula (b1) represents an integer of 1 or more, preferably an integer of 1 to 4, more preferably 1 or 2, and even more preferably 1.
  • Resin B1 is preferably a resin containing a repeating unit represented by formula (1-1), formula (1-2) or formula (1-3), and formula (1-1) or formula (1- It is more preferably a resin containing a repeating unit represented by 3), and more preferably a resin containing a repeating unit represented by formula (1-3).
  • a resin containing a repeating unit represented by formula (1-1), formula (1-2) or formula (1-3) is the resin of the present invention.
  • R 1 to R 9 each independently represent a hydrogen atom or a substituent
  • L 1 represents a single bond or a divalent linking group
  • L 2 and L 3 each independently represent a divalent linking group
  • L 4 represents a single bond or a divalent linking group
  • X b11 represents an n+2 valent linking group
  • X b12 represents O or NR x11
  • R x11 represents a hydrogen atom or a substituent
  • L b11 represents a single bond or a divalent linking group
  • Pb11 represents a polymer chain
  • Rb11 represents a hydrogen atom, a substituent or a counterion
  • n represents an integer of 1 or more.
  • Substituents represented by R 1 to R 9 include alkyl groups, aryl groups and halogen atoms, with alkyl groups being preferred.
  • R 1 to R 9 are preferably hydrogen atoms.
  • L 1 in formula (1-1) represents a single bond or a divalent linking group.
  • the divalent linking group includes a hydrocarbon group, -NR L11 -, -SO-, -SO 2 -, -CO-, -O-, -COO-, -OCO-, -S-, -NR L11 CO -, -CONR L11 -, and groups in which two or more of these are combined.
  • R L11 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, preferably a hydrogen atom.
  • Hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups.
  • the number of carbon atoms in the aliphatic hydrocarbon group is preferably 1-30, more preferably 1-20, even more preferably 1-15.
  • the aliphatic hydrocarbon group may be linear, branched or cyclic.
  • the cyclic aliphatic hydrocarbon group may be monocyclic or condensed.
  • the cyclic aliphatic hydrocarbon group may have a crosslinked structure.
  • the number of carbon atoms in the aromatic hydrocarbon group is preferably 6-30, more preferably 6-20, even more preferably 6-10.
  • the hydrocarbon group may have a substituent. Examples of the substituent include the substituent T described above.
  • L 1 in formula (1-1) is preferably a single bond or a hydrocarbon group, more preferably a single bond or an aliphatic hydrocarbon group, still more preferably a single bond or an alkylene group.
  • a bond, —CH 2 — or —C 2 H 4 — is particularly preferred.
  • L 2 and L 3 in formula (1-2) each independently represent a divalent linking group.
  • the divalent linking group include the groups described for L1.
  • L 2 and L 3 are preferably hydrocarbon groups, more preferably aliphatic hydrocarbon groups, still more preferably alkylene groups, and particularly preferably -CH 2 -.
  • L 4 in formula (1-3) represents a single bond or a divalent linking group.
  • the divalent linking group include the groups described for L1.
  • L 4 is preferably a hydrocarbon group, more preferably an aliphatic hydrocarbon group, even more preferably an alkylene group, and particularly preferably -C 2 H 4 -.
  • X b11 , X b12 , L b11 , P b11 and R b11 in formulas (1-1) to (1-3) are synonymous with X b1 , X b2 , L b1 , P b1 and R b1 in formula (b1) and the preferred range is also the same.
  • the repeating unit represented by the above formula (1-1) is preferably a repeating unit represented by the following formula (2-1). Further, the repeating unit represented by the above formula (1-2) is preferably a repeating unit represented by the following formula (2-2). Further, the repeating unit represented by the above formula (1-3) is preferably a repeating unit represented by the following formula (2-3).
  • L 1 represents a single bond or a divalent linking group
  • L 2 and L 2 each independently represent a divalent linking group
  • L 4 represents a single bond or a divalent linking group
  • L b11 represents a single bond or a divalent linking group
  • Pb11 represents a polymer chain.
  • L 1 to L 4 , L b11 and P b11 in formulas (2-1) to (2-3) are equivalent to L 1 to L 4 , L b11 in formulas (1-1) to (1-3) and Synonymous with Pb11 .
  • the content of the repeating unit represented by the formula (1-1) in the specific resin is 5 mol% or more. It is preferably 10 mol % or more, more preferably 20 mol % or more, and particularly preferably 30 mol % or more from the viewpoint of the dispersibility of the pigment and the heat resistance of the resulting film. .
  • the upper limit can be 100 mol %, 80 mol % or less, or 60 mol % or less.
  • the content of the repeating unit represented by the formula (1-2) in the specific resin is 5 mol% or more.
  • the upper limit can be 100 mol %, 80 mol % or less, or 60 mol % or less.
  • the specific resin is a resin containing the repeating unit represented by the above formula (1-3)
  • the content of the repeating unit represented by the formula (1-3) in the specific resin is 5 mol% or more.
  • the upper limit can be 100 mol %, 80 mol % or less, or 60 mol % or less.
  • the specific resin may further contain repeating units other than the repeating units represented by formulas (1-1) to (1-3).
  • Other repeating units include a repeating unit having an acid group, a repeating unit having a hydroxy group, a repeating unit having an amino group, a repeating unit having an ammonium salt, a repeating unit having a crosslinkable group, and a group having a dye partial structure. and repeating units having other functional groups.
  • the above acid groups and amino groups may be salts.
  • crosslinkable groups include ethylenically unsaturated bond-containing groups such as vinyl groups, (meth)allyl groups and (meth)acryloyl groups, cyclic ether groups such as epoxy groups and oxetane groups, and blocked isocyanate groups.
  • a carboxy group, a sulfo group, a phosphoric acid group, etc. are mentioned as an acid group.
  • Groups having a dye partial structure include benzimidazolone dyes, benzimidazolinone dyes, quinophthalone dyes, phthalocyanine dyes, anthraquinone dyes, diketopyrrolopyrrole dyes, quinacridone dyes, azo dyes, isoindolinone dyes, isoindoline dyes, and dioxazines.
  • a group having a dye-derived partial structure selected from dyes, perylene dyes and thioindigo dyes can be mentioned.
  • Specific examples of groups having a dye partial structure include groups having the structures shown below. Other functional groups include alkyl groups and aryl groups.
  • the content of the other repeating units in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less, and 30 mol% or less. is more preferable.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating unit having an acid group in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less, It is more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating unit having a hydroxy group in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less, It is more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating unit having an amino group in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less, It is more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating unit having a crosslinkable group in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less. It is preferably 30 mol % or less, and more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating unit having a dye partial structure in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less. It is preferably 30 mol % or less, and more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • the content of the repeating units having other functional groups in the specific resin is preferably 50 mol% or less, more preferably 40 mol% or less. It is preferably 30 mol % or less, and more preferably 30 mol % or less.
  • the lower limit is preferably 1 mol % or more, more preferably 5 mol % or more, and even more preferably 10 mol % or more.
  • Preferred embodiments of the specific resin include the following embodiments [1] to [10].
  • the specific resin comprises repeating units represented by formula (1-1), formula (1-2) or formula (1-3), repeating units having an acid group or a hydroxyl group, and repeating units having an amino group.
  • the acid value of the specific resin is preferably 1 mgKOH/g or more, more preferably 5 mgKOH/g or more, and even more preferably 10 mgKOH/g or more.
  • the upper limit is preferably 200 mgKOH/g or less, more preferably 150 mgKOH/g or less, and even more preferably 100 mgKOH/g or less.
  • the weight average molecular weight of the specific resin is preferably 1,000 to 200,000.
  • the upper limit is preferably 100,000 or less, more preferably 50,000 or less.
  • the lower limit is preferably 1,500 or more, more preferably 2,000 or more, and even more preferably 3,000 or more.
  • the storage stability of the resin composition can be further improved.
  • the amine value of the specific resin is preferably 560 mgKOH/g or less, more preferably 300 mgKOH/g or less, and even more preferably 150 mgKOH/g or less.
  • the lower limit may be 0 mgKOH/g, 5 mgKOH/g or more, 25 mgKOH/g or more, 50 mgKOH/g or more, or 100 mgKOH/g or more. good.
  • the amine value of the specific resin is 0 mgKOH/g, an effect of improving the transparency of the resin can be expected.
  • the pigment when the amine value of the specific resin is 5 mgKOH/g or more (preferably 25 mgKOH/g or more, more preferably 50 mgKOH/g or more, and still more preferably 100 mgKOH/g or more), the pigment has good adsorptivity and dispersion. The effect of improving the performance can be expected.
  • the specific resin preferably has a 5% mass loss temperature of 280° C. or higher, more preferably 300° C. or higher, and 320° C. or higher by TG/DTA (thermal mass measurement/differential thermal measurement) in a nitrogen atmosphere. is more preferable.
  • the upper limit of the 5% mass loss temperature is not particularly limited, and may be, for example, 1,000° C. or lower.
  • the 5% mass reduction temperature is determined by a known TG/DTA measurement method as the temperature at which the mass reduction rate becomes 5% when left standing at a specific temperature for 5 hours in a nitrogen atmosphere.
  • the specific resin preferably has a mass reduction rate of 10% or less, more preferably 5% or less, and 2% or less when left to stand at 300 ° C.
  • the lower limit of the mass reduction rate is not particularly limited, and may be 0% or more.
  • the mass reduction rate is a value calculated as a rate of mass reduction in the specific resin before and after standing at 300° C. for 5 hours in a nitrogen atmosphere.
  • Specific examples of the specific resins include resins B-1 to B-35 described in Examples described later.
  • the specific resin can be synthesized by reacting the amine polymer M described above with the macromonomer AH described above.
  • the amino group of the amine polymer M undergoes an addition ring-opening reaction with the acid anhydride group of the macromonomer AH, thereby opening the acid anhydride group.
  • a carboxy group is formed with an amide bond along with the ring. According to this synthesis method, the reaction can proceed under very mild conditions without using a catalyst or the like.
  • purification treatment can be omitted or simplified.
  • the ratio of the acid anhydride group of the macromonomer AH to 1 mol of the amino group of the amine polymer M is 0.05 to 1 mol. is preferred, the ratio of 0.1 to 1 mol is more preferred, and the ratio of 0.2 to 1 mol is even more preferred.
  • cyclic acid anhydrides succinic anhydride, glutaric anhydride, maleic anhydride, phthalic anhydride, itaconic anhydride, cis-4-cyclohexene-1,2-dicarboxylic anhydride, ( ⁇ ) -trans-1,2-cyclohexanedicarboxylic anhydride, cis-1,2-cyclohexanedicarboxylic anhydride, 5-norbornene-2,3-dicarboxylic anhydride, exo-3,6-epoxy-1,2, 3,6-tetrahydrophthalic anhydride, 4-methylcyclohexane-1,2-dicarboxylic anhydride, trimellitic anhydride, 2,3-naphthalenedicarboxylic anhydride, tetrachlorophthalic anhydride, tetrabromophthalic anhydride acid anhydride, 2-sulfobenzoic anhydride, tetrab
  • the amino group of the amine polymer M reacts with the above compound to give the resin functional groups such as an acid group, an ethylenically unsaturated bond-containing group, an epoxy group, an oxetanyl group, and a group having a dye partial structure. can be added.
  • the resin composition of the present invention may contain other resins than the specific resins described above.
  • Other resins include (meth)acrylic resins, epoxy resins, (meth)acrylamide resins, ene-thiol resins, polycarbonate resins, polyether resins, polyarylate resins, polysulfone resins, polyethersulfone resins, polyphenylene resins, polyarylene resins.
  • other resins include resins described in Examples of International Publication No.
  • the weight average molecular weight (Mw) of other resins 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.
  • the other resin it is preferable to use a resin with alkali developability or a resin as a dispersant.
  • the weight average molecular weight (Mw) of the resin having alkali developability is preferably 3,000 to 2,000,000.
  • the upper limit is more preferably 1,000,000 or less, and even more preferably 500,000 or less.
  • the lower limit is more preferably 4000 or more, and even more preferably 5000 or more.
  • resins having alkali developability examples include (meth)acrylic resins, polyimine resins, polyether resins, polyolefin resins, cyclic olefin resins, polyester resins, styrene resins, polyimide resins, etc. (meth)acrylic resins and polyimine resins. is preferred, and (meth)acrylic resin is more preferred.
  • the resin having alkali developability it is preferable to use a resin having an acid group.
  • the acid group include phenolic hydroxy group, carboxy group, sulfo group, phosphoric acid group, phosphonic acid group, active imide group, sulfonamide group and the like, and carboxy group is preferred.
  • the resin having an acid group a resin obtained by introducing an acid group by reacting an acid anhydride with a hydroxy group generated by epoxy ring opening may be used. Examples of such resins include those described in Japanese Patent No. 6349629.
  • a resin having an acid group can be used, for example, as an alkali-soluble resin.
  • the alkali-developable resin preferably contains a repeating unit having an acid group, and more preferably contains 1 to 70 mol % of the repeating unit having an acid group in the total repeating units of the resin.
  • the upper limit of the content of repeating units having an acid group is preferably 50 mol % or less, more preferably 40 mol % or less.
  • the lower limit of the content of repeating units having an acid group is preferably 2 mol % or more, more preferably 5 mol % or more.
  • the acid value of the resin having alkali developability is preferably 200 mgKOH/g or less, more preferably 150 mgKOH/g or less, even more preferably 120 mgKOH/g or less, and particularly preferably 100 mgKOH/g or less.
  • the acid value of the resin having alkali developability is preferably 5 mgKOH/g or more, more preferably 10 mgKOH/g or more, and even more preferably 20 mgKOH/g or more.
  • the resin having alkali developability further have an ethylenically unsaturated bond-containing group.
  • the ethylenically unsaturated bond-containing group includes a vinyl group, an allyl group, a (meth)acryloyl group and the like, preferably an allyl group and a (meth)acryloyl group, and more preferably a (meth)acryloyl group.
  • the resin having alkali developability includes a compound represented by the following formula (ED1) and/or a compound represented by the following formula (ED2) (hereinafter, these compounds are sometimes referred to as "ether dimer”). It is also preferred that repeating units derived from monomer components are included.
  • 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 alkali-developable resin preferably contains a repeating unit derived from a compound represented by the following formula (X).
  • R 1 represents a hydrogen atom or a methyl group
  • R 2 represents an alkylene group having 2 to 10 carbon atoms
  • R 3 represents a hydrogen atom or 1 to 20 carbon atoms which may contain a benzene ring.
  • represents an alkyl group of n represents an integer from 1 to 15;
  • resins having alkali developability examples include resins having the following structures.
  • Me represents a methyl group.
  • the resin composition of the present invention may also contain a resin as a dispersant.
  • Dispersants include acidic dispersants (acidic resins) and basic dispersants (basic resins).
  • the acidic dispersant (acidic resin) represents 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 %. A resin consisting only of groups is more preferred.
  • the acid group possessed by the acidic dispersant (acidic resin) is preferably a carboxy group.
  • the acid value of the acidic dispersant is preferably from 40 to 105 mgKOH/g, more preferably from 50 to 105 mgKOH/g, even more preferably from 60 to 105 mgKOH/g.
  • the basic dispersant represents 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 possessed by the basic dispersant is preferably an amino group.
  • the resin used as the dispersant preferably contains a repeating unit having an acid group.
  • the resin used as the dispersant is also preferably a graft polymer.
  • Graft polymers include resins described in paragraphs 0025 to 0094 of JP-A-2012-255128, the contents of which are incorporated herein.
  • the resin used as the dispersant is also preferably a polyimine-based dispersant (polyimine resin) containing nitrogen atoms in at least one of the main chain and the side chain.
  • the polyimine-based dispersant has a main chain having a partial structure having a functional group with a pKa of 14 or less and a side chain having 40 to 10,000 atoms, and at least one of the main chain and the side chain has a basic nitrogen atom.
  • a resin having The basic nitrogen atom is not particularly limited as long as it is a nitrogen atom exhibiting basicity.
  • Polyimine-based dispersants include resins described in paragraphs 0102 to 0166 of JP-A-2012-255128, the contents of which are incorporated herein.
  • the resin used as the dispersant is also preferably a resin having a structure in which a plurality of polymer chains are bonded to the core.
  • resins include, for example, dendrimers (including star polymers). Further, specific examples of dendrimers include polymer compounds C-1 to C-31 described in paragraphs 0196 to 0209 of JP-A-2013-043962.
  • the dispersant includes block copolymers (EB-1) to (EB-9) described in paragraphs 0219 to 0221 of Japanese Patent No. 6432077, and resins described in Japanese Patent Application Laid-Open No. 2018-087939.
  • Polyethyleneimine having a polyester side chain described in WO 2016/104803, a block copolymer described in WO 2019/125940, a block having an acrylamide structural unit described in JP 2020-066687 Polymers, block polymers having acrylamide structural units described in JP-A-2020-066688, dispersants described in WO 2016/104803, resins described in JP-A-2019-095548, etc. can also be used. .
  • Dispersants are also available as commercial products, and specific examples thereof include BYK Chemie's DISPERBYK series (e.g., DISPERBYK-111, 161, etc.), Lubrizol's Solsperse series (e.g., Solsperse 36000, etc.). etc. Also, the pigment dispersants described in paragraphs 0041 to 0130 of JP-A-2014-130338 can be used, the contents of which are incorporated herein.
  • the resin described as the dispersant can also be used for applications other than the dispersant.
  • it can also be used as a binder.
  • the resin content in the total solid content of the resin composition is preferably 5 to 60% by mass.
  • the lower limit is preferably 10% by mass or more, more preferably 15% 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 above-mentioned specific resin in the total solid content of the resin composition is preferably 5-60% by mass.
  • the lower limit is preferably 10% by mass or more, more preferably 15% 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 specific resin described above is preferably 10 to 80 parts by mass with respect to 100 parts by mass of the pigment.
  • the lower limit is preferably 20 parts by mass or more, more preferably 30 parts by mass or more.
  • the upper limit is preferably 70 parts by mass or less, more preferably 50 parts by mass or less.
  • the resin composition of the present invention preferably contains 20% by mass or more of the specific resin, more preferably 30% by mass or more, and 40% by mass, in the total solid content of the resin composition excluding the coloring material. % or more is more preferable.
  • the upper limit can be 100% by mass, 90% by mass or less, or 85% by mass or less.
  • the total content of the colorant and the specific resin in the total solid content of the resin composition is preferably 25 to 100% by mass.
  • the lower limit is more preferably 30% by mass or more, and even more preferably 40% by mass or more.
  • the upper limit is more preferably 90% by mass or less, and even more preferably 80% by mass or less.
  • the content of the other resin described above is preferably 230 parts by mass or less, more preferably 200 parts by mass or less, and 150 parts by mass with respect to 100 parts by mass of the specific resin described above. More preferably: The lower limit may be 0 parts by mass, 5 parts by mass or more, or 10 parts by mass or more. It is also preferred that the resin composition does not substantially contain the other resins described above. According to this aspect, it is easy to form a film having excellent heat resistance. When substantially free of other resins, it means that the content of other resins in the total solid content of the resin composition is 0.1% by mass or less, and is 0.05% by mass or less. is preferred, and not containing is more preferred.
  • the resin composition of the present invention contains solvent C (hereinafter referred to as solvent).
  • solvent is basically not particularly limited as long as it satisfies the solubility of each component and the coatability of the resin composition.
  • the solvent is an organic solvent.
  • Organic solvents include ester-based solvents, ketone-based solvents, alcohol-based solvents, amide-based solvents, ether-based solvents, and hydrocarbon-based solvents.
  • Ester-based solvents substituted with cyclic alkyl groups and ketone-based solvents substituted with cyclic alkyl groups 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, 2-pentanone, 3-pentanone, 4-heptanone, cyclohexanone, 2-methylcyclohexanone, 3-methylcyclohexanone, 4-methylcyclohexanone, cycloheptanone, cyclooctanone, cyclohexyl acetate, cyclopentanone, ethylcarbitol Acetate, butyl carbitol acetate, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, 3-methoxy-N,N-dimethylpropanamide, 3-butoxy-N
  • aromatic hydrocarbons (benzene, toluene, xylene, ethylbenzene, etc.) as organic solvents may be better reduced for environmental reasons (e.g., 50 mass ppm (parts per million), 10 mass ppm or less, or 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 the metal content of the organic solvent is preferably, for example, 10 mass ppb (parts per billion) or less. If necessary, an organic solvent with a ppt (parts per trillion) mass level may be used, and such an organic solvent is provided by, for example, Toyo Gosei Co., Ltd. (Chemical Daily, November 13, 2015).
  • Methods for removing impurities such as metals from organic solvents include, for example, distillation (molecular distillation, thin film distillation, etc.) and filtration using a filter.
  • the filter pore size 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 isomer may be contained, or a plurality of isomers may be contained.
  • the content of peroxide in the organic solvent is preferably 0.8 mmol/L or less, and more preferably substantially free of peroxide.
  • the content of the solvent in the resin composition is preferably 10-95% by mass, more preferably 20-90% by mass, and even more preferably 30-90% by mass.
  • the resin composition of the present invention may contain a pigment derivative.
  • Pigment derivatives include compounds having a structure in which an acid group or a basic group is bonded to a pigment skeleton.
  • Dye skeletons constituting pigment derivatives include quinoline dye skeletons, benzimidazolone dye skeletons, benzoisoindole dye skeletons, benzothiazole dye skeletons, iminium dye skeletons, squarylium dye skeletons, croconium dye skeletons, oxonol dye skeletons, and pyrrolopyrrole dye skeletons.
  • diketopyrrolopyrrole dye skeleton azo dye skeleton, azomethine dye skeleton, phthalocyanine dye skeleton, naphthalocyanine dye skeleton, anthraquinone dye skeleton, quinacridone dye skeleton, dioxazine dye skeleton, perinone dye skeleton, perylene dye skeleton, thioindigo dye skeleton, Isoindoline dye skeletons, isoindolinone dye skeletons, quinophthalone dye skeletons, iminium dye skeletons, dithiol dye skeletons, triarylmethane dye skeletons, pyrromethene dye skeletons, and the like can be mentioned.
  • the acid group includes a carboxy group, a sulfo group, a phosphoric acid group, a boronic acid group, a carboxylic acid amide group, a sulfonic acid amide group, an imidic 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, phosphonium ion and the like.
  • the carboxylic acid amide group a group represented by —NHCOR X1 is preferable.
  • sulfonic acid amide group a group represented by —NHSO 2 R X2 is preferable.
  • the imidic acid group is preferably a group represented by —SO 2 NHSO 2 R X3 , —CONHSO 2 R X4 , —CONHCOR X5 or —SO 2 NHCOR X6 , more preferably —SO 2 NHSO 2 R X3 .
  • R X1 to R X6 each independently represent an alkyl group or an aryl group.
  • the alkyl groups and aryl groups represented by R X1 to R X6 may have substituents.
  • the substituent is preferably a halogen atom, more preferably a fluorine atom.
  • Basic groups include amino groups, pyridinyl groups and salts thereof, salts of ammonium groups, and phthalimidomethyl groups.
  • Atoms or atomic groups constituting salts include hydroxide ions, halogen ions, carboxylate ions, sulfonate ions, and phenoxide ions.
  • a pigment derivative excellent in visible light transparency (hereinafter also referred to as a transparent pigment derivative) can be used.
  • the maximum value ( ⁇ max) of the molar extinction coefficient of the transparent pigment derivative in the wavelength region of 400 to 700 nm is preferably 3000 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less, and 1000 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less. is more preferable, and 100 L ⁇ mol ⁇ 1 ⁇ cm ⁇ 1 or less is even more preferable.
  • 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 the compounds described in the examples described later, JP-A-56-118462, JP-A-63-264674, JP-A-01-217077, and JP-A-03-009961. , JP-A-03-026767, JP-A-03-153780, JP-A-03-045662, JP-A-04-285669, JP-A-06-145546, JP-A-06-212088, Patent JP-A-06-240158, JP-A-10-030063, JP-A-10-195326, paragraph numbers 0086 to 0098 of WO 2011/024896, paragraph numbers 0063 to 0094 of WO 2012/102399 , Paragraph No.
  • 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 pigment. Only one pigment derivative may be used, or two or more pigment derivatives may be used in combination.
  • the resin composition of the present invention preferably contains a polymerizable monomer.
  • a known compound that can be crosslinked by radicals, acids, or heat can be used as the polymerizable monomer.
  • the polymerizable monomer include compounds having an ethylenically unsaturated bond-containing group, compounds having a cyclic ether group, and the like, and compounds having an ethylenically unsaturated bond-containing group are preferred.
  • Examples of ethylenically unsaturated bond-containing groups include vinyl groups, (meth)allyl groups, and (meth)acryloyl groups.
  • Cyclic ether groups include epoxy groups and oxetane groups.
  • a compound having an ethylenically unsaturated bond-containing group can be preferably used as a radically polymerizable monomer.
  • a compound having a cyclic ether group can also be preferably used as a cationically polymerizable monomer.
  • the polymerizable monomer is preferably a polyfunctional polymerizable monomer. That is, the polymerizable monomer is preferably a monomer having two or more polymerizable groups such as ethylenically unsaturated bond-containing groups and cyclic ether groups.
  • the molecular weight of the polymerizable monomer is preferably 100-3000.
  • 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, even more preferably 250 or more.
  • the compound having an ethylenically unsaturated bond-containing group used as a polymerizable monomer is preferably a polyfunctional compound. That is, it is preferably a compound containing two or more ethylenically unsaturated bond-containing groups, more preferably a compound containing three or more ethylenically unsaturated bond-containing groups, and three ethylenically unsaturated bond-containing groups. A compound containing up to 15 groups is more preferable, and a compound containing 3 to 6 ethylenically unsaturated bond-containing groups is even more preferable.
  • the compound having an ethylenically unsaturated bond-containing group is preferably a 3- to 15-functional (meth)acrylate compound, more preferably a 3- to 6-functional (meth)acrylate compound.
  • Specific examples of the compound having an ethylenically unsaturated bond-containing group paragraph numbers 0095 to 0108 of JP-A-2009-288705, paragraph 0227 of JP-A-2013-029760, paragraph of JP-A-2008-292970 Numbers 0254 to 0257, paragraph numbers 0034 to 0038 of JP 2013-253224, paragraph number 0477 of JP 2012-208494, JP 2017-048367, JP 6057891, JP 6031807 , and compounds described in JP-A-2017-194662, the contents of which are incorporated herein.
  • Examples of compounds having an ethylenically unsaturated bond-containing group include dipentaerythritol tri(meth)acrylate (commercially available as KAYARAD D-330; manufactured by Nippon Kayaku Co., Ltd.), and dipentaerythritol tetra(meth)acrylate (commercially available).
  • KAYARAD D-320 manufactured by Nippon Kayaku Co., Ltd.
  • dipentaerythritol penta(meth)acrylate commercially available KAYARAD D-310; manufactured by Nippon Kayaku Co., Ltd.
  • dipentaerythritol hexa(meth)acrylate ) acrylate (as a commercial product, KAYARAD DPHA; manufactured by Nippon Kayaku Co., Ltd., NK Ester A-DPH-12E; manufactured by Shin-Nakamura Chemical Co., Ltd.)
  • these (meth)acryloyl groups are ethylene glycol and / or Compounds with structures that are linked via a propylene glycol residue (for example, SR454, SR499, commercially available from Sartomer) are preferred.
  • Examples of compounds having an ethylenically unsaturated bond-containing group include diglycerin EO (ethylene oxide)-modified (meth)acrylate (commercially available as M-460; manufactured by Toagosei), pentaerythritol tetraacrylate (Shin-Nakamura Chemical Industry ( Ltd., NK Ester A-TMMT), 1,6-hexanediol diacrylate (manufactured by Nippon Kayaku Co., Ltd., KAYARAD HDDA), RP-1040 (manufactured by Nippon Kayaku Co., Ltd.), Aronix TO-2349 (manufactured by Nippon Kayaku Co., Ltd.) Toagosei Co., Ltd.), NK Oligo UA-7200 (Shin-Nakamura Chemical Co., Ltd.), 8UH-1006, 8UH-1012 (Taisei Fine Chemical Co., Ltd.), Light acrylate POB-A0 (Kyoeish
  • trifunctional (meth)acrylate compounds such as tri(meth)acrylate and pentaerythritol tri(meth)acrylate.
  • Commercial products of trifunctional (meth)acrylate compounds include Aronix M-309, M-310, M-321, M-350, M-360, M-313, M-315, M-306 and M-305.
  • M-303, M-452, M-450 manufactured by Toagosei Co., Ltd.
  • a compound having an acid group can also be used as the compound having an ethylenically unsaturated bond-containing group. Generation of development residue can be suppressed by using a compound having an acid group.
  • the acid group includes a carboxy group, a sulfo group, a phosphoric acid group and the like, and a carboxy group is preferred.
  • Commercially available polymerizable monomers having an acid group include Aronix M-305, M-510, M-520 and Aronix TO-2349 (manufactured by Toagosei Co., Ltd.).
  • the acid value of the polymerizable monomer having an acid group is preferably 0.1-40 mgKOH/g, more preferably 5-30 mgKOH/g.
  • the compound having an ethylenically unsaturated bond-containing group is a compound having a caprolactone structure.
  • Compounds having a caprolactone structure are commercially available from Nippon Kayaku Co., Ltd. under the KAYARAD DPCA series, including DPCA-20, DPCA-30, DPCA-60, DPCA-120, and the like.
  • a compound having an alkyleneoxy group can also be used as the compound having an ethylenically unsaturated bond-containing group.
  • the compound having an alkyleneoxy group is preferably a compound having an ethyleneoxy group and/or a propyleneoxy group, more preferably a compound having an ethyleneoxy group, and a tri- to hexa-functional (meth)acrylate having 4 to 20 ethyleneoxy groups. Compounds are more preferred.
  • Commercially available compounds having an alkyleneoxy group include, for example, SR-494, a tetrafunctional (meth)acrylate having four ethyleneoxy groups manufactured by Sartomer Co., Ltd., and three isobutyleneoxy groups manufactured by Nippon Kayaku Co., Ltd. KAYARAD TPA-330, which is a trifunctional (meth)acrylate, and the like.
  • a compound having a fluorene skeleton can also be used as the compound having an ethylenically unsaturated bond-containing group.
  • Commercially available compounds having a fluorene skeleton include Ogsol EA-0200 and EA-0300 (manufactured by Osaka Gas Chemicals Co., Ltd., (meth)acrylate monomers having a fluorene skeleton).
  • the compound having an ethylenically unsaturated bond-containing group it is also preferable to use a compound such as toluene that does not substantially contain environmentally regulated substances.
  • Commercially available products of such compounds include KAYARAD DPHA LT and KAYARAD DPEA-12 LT (manufactured by Nippon Kayaku Co., Ltd.).
  • a polymerizable monomer having an amino structure or a sulfide structure in its molecule which is described in JP-A-63-277653, JP-A-63-260909 and JP-A-01-105238.
  • the polymerizable monomers include UA-7200 (manufactured by Shin-Nakamura Chemical Co., Ltd.), DPHA-40H (manufactured by Nippon Kayaku Co., Ltd.), UA-306H, UA-306T, UA-306I, AH-600, Commercially available products such as T-600, AI-600, LINC-202UA (manufactured by Kyoeisha Chemical Co., Ltd.) can also be used.
  • Compounds having a cyclic ether group that are also used as polymerizable monomers include compounds having an epoxy group (hereinafter also referred to as epoxy compounds) and compounds having an oxetane group (hereinafter also referred to as oxetane compounds).
  • the epoxy compound is preferably a polyfunctional epoxy compound. That is, the epoxy compound is preferably a compound having two or more epoxy groups. The upper limit of the number of epoxy groups is preferably 20 or less, more preferably 10 or less.
  • the oxetane compound is preferably a polyfunctional oxetane compound. That is, the oxetane compound is preferably a compound having two or more oxetane groups. The upper limit of the number of oxetane groups is preferably 20 or less, more preferably 10 or less.
  • ADEKA Resin EP-4000S, EP-4003S, EP-4010S, EP-4011S manufactured by ADEKA Corporation
  • NC-2000, NC-3000, NC-7300, XD-1000, EPPN -501, EPPN-502 manufactured by ADEKA Co., Ltd.
  • oxetane compounds include OXT-201, OXT-211, OXT-212, OXT-213, OXT-121, OXT-221, OX-SQ TX-100 (manufactured by Toagosei Co., Ltd.), etc. can be used.
  • the content of the polymerizable monomer in the total solid content of the resin composition is preferably 0.1 to 40% 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 30% by mass or less, more preferably 20% by mass or less.
  • the content of the compound having an ethylenically unsaturated bond-containing group as the polymerizable monomer is 1 per 100 parts by mass of the specific resin described above. It is preferably up to 50 parts by mass.
  • the lower limit is preferably 3 parts by mass or more, more preferably 5 parts by mass or more.
  • the upper limit is preferably 40 parts by mass or less, more preferably 30 parts by mass or less.
  • the content of the compound having a cyclic ether group as the polymerizable monomer is 1 to 50 parts by mass with respect to 100 parts by mass of the specific resin described above.
  • the lower limit is preferably 3 parts by mass or more, more preferably 5 parts by mass or more.
  • the upper limit is preferably 40 parts by mass or less, more preferably 30 parts by mass or less.
  • the resin composition contains a cyclic ether with respect to 100 parts by mass of the compound having an ethylenically unsaturated bond-containing group. It is preferable to contain 10 to 500 parts by mass of the compound having a group.
  • the lower limit is preferably 20 parts by mass or more, more preferably 30 parts by mass or more.
  • the upper limit is preferably 400 parts by mass or less, more preferably 300 parts by mass or less. If the ratio of the two is within the above range, a film with more excellent heat resistance (crack suppression and film shrinkage suppression) can be formed.
  • the resin 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 region to the visible region are preferred.
  • the photopolymerization initiator is preferably a photoradical polymerization initiator.
  • photopolymerization initiators include halogenated hydrocarbon derivatives (e.g., compounds having a triazine skeleton, compounds having an oxadiazole skeleton, etc.), acylphosphine compounds, biimidazole compounds, oxime compounds, organic peroxides, thio compounds, Ketone compounds, aromatic onium salts, ⁇ -hydroxyketone compounds, ⁇ -aminoketone compounds and the like.
  • photopolymerization initiators include trihalomethyltriazine compounds, benzyldimethylketal compounds, ⁇ -hydroxyketone compounds, ⁇ -aminoketone compounds, acylphosphine compounds, phosphine oxide compounds, metallocene compounds, oxime compounds, and biimidazole compounds.
  • Biimidazole compounds include 2,2-bis(2-chlorophenyl)-4,4′,5,5′-tetraphenylbiimidazole, 2,2′-bis(o-chlorophenyl)-4,4′,5 ,5-tetrakis(3,4,5-trimethoxyphenyl)-1,2'-biimidazole, 2,2'-bis(2,3-dichlorophenyl)-4,4',5,5'-tetraphenyl biimidazole, and 2,2'-bis(o-chlorophenyl)-4,4,5,5'-tetraphenyl-1,2'-biimidazole.
  • ⁇ -hydroxyketone compounds include Omnirad 184, Omnirad 1173, Omnirad 2959, Omnirad 127 (manufactured by IGM Resins B.V.), Irgacure 184, Irgacure 1173, Irgacure 2959, Irgacure 127 (above company) and the like.
  • ⁇ -aminoketone compounds include Omnirad 907, Omnirad 369, Omnirad 369E, Omnirad 379EG (manufactured by IGM Resins B.V.), Irgacure 907, Irgacure 369, Irgacure 369E, Irgacure 379EG (manufactured by Irgacure 369E, Irgacure 379EG). (manufactured by MFCI), Api307 (1-(biphenyl-4-yl)-2-methyl-2-morpholinopropan-1-one) (manufactured by MFCI), and the like.
  • acylphosphine compounds include Omnirad 819, Omnirad TPO (manufactured by IGM Resins B.V.), Irgacure 819 and Irgacure TPO (manufactured by BASF).
  • Examples of oxime compounds include compounds described in JP-A-2001-233842, compounds described in JP-A-2000-080068, compounds described in JP-A-2006-342166, J. Am. C. S. Compounds described in Perkin II (1979, pp.1653-1660); C. S. Compounds described in Perkin II (1979, pp.156-162), compounds described in Journal of Photopolymer Science and Technology (1995, pp.202-232), compounds described in JP-A-2000-066385, Compounds described in JP-A-2004-534797, compounds described in JP-A-2006-342166, compounds described in JP-A-2017-019766, compounds described in Patent No. 6065596, International Publication No.
  • oxime compounds include 3-benzoyloxyiminobutane-2-one, 3-acetoxyiminobutane-2-one, 3-propionyloxyiminobutane-2-one, 2-acetoxyiminopentane-3-one, 2-acetoxyimino-1-phenylpropan-1-one, 2-benzoyloxyimino-1-phenylpropan-1-one, 3-(4-toluenesulfonyloxy)iminobutan-2-one, and 2-ethoxycarbonyloxy and imino-1-phenylpropan-1-one.
  • An oxime compound having a fluorene ring can also be used as a photopolymerization initiator.
  • Specific examples of oxime compounds having a fluorene ring include compounds described in JP-A-2014-137466.
  • an oxime compound having a skeleton in which at least one benzene ring of a carbazole ring is a naphthalene ring can be used.
  • Specific examples of such oxime compounds include compounds described in WO2013/083505.
  • An oxime compound having a fluorine atom can also be used as a photopolymerization initiator.
  • Specific examples of the oxime compound having a fluorine atom include compounds described in JP-A-2010-262028, compounds 24, 36 to 40 described in JP-A-2014-500852, and JP-A-2013-164471. and the compound (C-3) of.
  • an oxime compound in which a substituent having a hydroxy group is bonded to the carbazole skeleton can also be used.
  • Examples of such a photopolymerization initiator include the compounds described in International Publication No. 2019/088055.
  • An oxime compound having a nitro group can be used as a photopolymerization initiator.
  • the oxime compound having a nitro group is also preferably a dimer.
  • Specific examples of the oxime compound having a nitro group include the compounds described in paragraph numbers 0031 to 0047 of JP-A-2013-114249 and paragraph numbers 0008-0012 and 0070-0079 of JP-A-2014-137466; Compounds described in paragraphs 0007 to 0025 of Japanese Patent No. 4223071 and ADEKA Arkles NCI-831 (manufactured by ADEKA Corporation) can be mentioned.
  • An oxime compound having a benzofuran skeleton can also be used as a photopolymerization initiator.
  • Specific examples include OE-01 to OE-75 described in WO 2015/036910.
  • an oxime compound in which a substituent having a hydroxy group is bonded to the carbazole skeleton can also be used.
  • Examples of such a photopolymerization initiator include the compounds described in International Publication No. 2019/088055.
  • the oxime compound is preferably a compound having a maximum absorption wavelength in the wavelength range of 350 to 500 nm, more preferably a compound having a maximum absorption wavelength in the wavelength range of 360 to 480 nm.
  • the molar extinction coefficient of the oxime compound at a wavelength of 365 nm or a wavelength of 405 nm is preferably high from the viewpoint of sensitivity, more preferably 1000 to 300000, further preferably 2000 to 300000, even more preferably 5000 to 200000. It is particularly preferred to have The molar extinction coefficient of a compound can be measured using known methods. For example, it is preferable to measure with a spectrophotometer (Cary-5 spectrophotometer manufactured by Varian) using ethyl acetate at a concentration of 0.01 g/L.
  • a bifunctional or trifunctional or higher 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 good sensitivity can be obtained.
  • the crystallinity is lowered, the solubility in a solvent or the like is improved, and precipitation becomes difficult over time, and the stability over time of the resin composition can be improved.
  • Specific examples of bifunctional or trifunctional or higher photoradical polymerization initiators include Japanese Patent Publication No. 2010-527339, Japanese Patent Publication No. 2011-524436, International Publication No.
  • the content of the photopolymerization initiator in the total solid content of the resin 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.
  • a photoinitiator may use only 1 type and may use 2 or more types.
  • the resin 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.
  • the hydrolyzable group refers to a substituent that is directly bonded to a silicon atom and capable of forming a siloxane bond by at least one of hydrolysis reaction and condensation reaction.
  • Hydrolyzable groups include, for example, halogen atoms, alkoxy groups, acyloxy groups and the like, with alkoxy groups being 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 group, (meth)allyl group, (meth)acryloyl group, mercapto group, epoxy group, amino group, ureido group, sulfide group, isocyanate group, and phenyl group. etc., and amino group, (meth)acryloyl group and epoxy group are preferred.
  • Specific examples of the silane coupling agent include compounds described in paragraph numbers 0018 to 0036 of JP-A-2009-288703 and compounds described in paragraph numbers 0056-0066 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 resin composition is preferably 0.1 to 5% by mass.
  • the upper limit is preferably 3% by mass or less, more preferably 2% by mass or less.
  • the lower limit is preferably 0.5% by mass or more, more preferably 1% by mass or more.
  • the number of silane coupling agents may be one, or two or more.
  • the resin composition of the present invention can further contain a curing accelerator for the purpose of accelerating the reaction of the resin and polymerizable monomers and lowering the curing temperature.
  • Curing accelerators include methylol compounds (for example, compounds exemplified as cross-linking agents in paragraph number 0246 of JP-A-2015-034963), amines, phosphonium salts, amidine salts, amide compounds (above, for example, JP-A Curing agent described in paragraph number 0186 of 2013-041165), a base generator (e.g., an ionic compound described in JP-A-2014-055114), a cyanate compound (e.g., JP-A-2012-150180 Compounds described in paragraph number 0071), alkoxysilane compounds (e.g., alkoxysilane compounds having an epoxy group described in JP-A-2011-253054), onium salt compounds (e.g., paragraph numbers of JP-A-2015-034963
  • the content of the curing accelerator is preferably 0.3 to 8.9 mass% of the total solid content of the resin composition, and 0.8 to 6.4 % by mass is more preferred.
  • the resin 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), 2,2′-methylenebis(4-methyl-6-t-butylphenol), 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 resin composition is preferably 0.0001 to 5% by mass.
  • the resin composition of the present invention can contain a surfactant.
  • a surfactant various surfactants such as fluorine-based surfactants, nonionic surfactants, cationic surfactants, anionic surfactants and silicone surfactants can be used.
  • the surfactant is preferably a fluorosurfactant or a silicone surfactant.
  • Surfactants include those described in paragraphs 0238-0245 of WO2015/166779, the contents of which are incorporated herein.
  • the fluorine content in the fluorine-based surfactant is preferably 3-40% by mass, more preferably 5-30% by mass, and particularly preferably 7-25% by mass.
  • a fluorosurfactant having a fluorine content within this range is effective in uniformity of the thickness of the coating film and liquid saving, and has good solubility in the resin composition.
  • JP 2014-041318 Paragraph Nos. 0060 to 0064 As the fluorine-based surfactant, JP 2014-041318 Paragraph Nos. 0060 to 0064 (corresponding International Publication No. 2014/017669 Paragraph Nos. 0060 to 0064) surfactants described in, JP 2011- 132503, paragraphs 0117-0132, 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 and F-144.
  • fluorosurfactant 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 as the fluorosurfactant.
  • fluorine-based surfactants the description in JP-A-2016-216602 can be referred to, the content of which is incorporated herein.
  • a block polymer can also be used as the fluorosurfactant.
  • the fluorosurfactant has 2 or more (preferably 5 or more) repeating units derived from a (meth)acrylate compound having a fluorine atom and an alkyleneoxy group (preferably an ethyleneoxy group or a propyleneoxy group) (meta).
  • a fluorine-containing polymer compound containing a repeating unit derived from an acrylate compound can also be preferably used.
  • the following compounds are also exemplified as fluorosurfactants used in the present invention.
  • the weight average molecular weight of the above compound is preferably 3000-50000, for example 14000. In the above compounds, % indicating the ratio of repeating units is mol%.
  • a fluoropolymer having an ethylenically unsaturated bond-containing group in a side chain can also be used as the fluorosurfactant.
  • Specific examples include compounds described in paragraph numbers 0050 to 0090 and paragraph numbers 0289 to 0295 of JP-A-2010-164965, MEGAFACE RS-101, RS-102 and RS-718K manufactured by DIC Corporation, and RS-72-K.
  • compounds described in paragraphs 0015 to 0158 of JP-A-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+ is an a-valent metal ion, primary ammonium ion, Represents 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 company), Tetronic 304, 701, 704, 901, 904, 150R1 (manufactured by BASF), Solsperse 20000 (manufactured by Nippon Lubrizol Co., Ltd.), NCW-101, NCW-1001, NCW-1002 (Fuji
  • Cationic surfactants include tetraalkylammonium salts, alkylamine salts, benzalkonium salts, alkylpyridium salts, imidazolium salts, and the like. Specific examples include dihydroxyethylstearylamine, 2-heptadecenyl-hydroxyethylimidazoline, lauryldimethylbenzylammonium chloride, cetylpyridinium chloride, stearamidomethylpyridinium chloride and the like.
  • Anionic surfactants include dodecylbenzenesulfonic acid, sodium dodecylbenzenesulfonate, sodium lauryl sulfate, sodium alkyldiphenyletherdisulfonate, sodium alkylnaphthalenesulfonate, sodium dialkylsulfosuccinate, sodium stearate, potassium oleate, sodium dioctyl Sulfosuccinate, sodium polyoxyethylene alkyl ether sulfate, sodium polyoxyethylene alkyl ether sulfate, sodium polyoxyethylene alkylphenyl ether sulfate, sodium dialkyl sulfosuccinate, sodium stearate, sodium oleate, t-octylphenoxyethoxy polyethoxyethyl sodium sulfate and the like.
  • silicone-based surfactants include DC3PA, SH7PA, DC11PA, SH21PA, SH28PA, SH29PA, SH30PA, SH8400, SH8400 FLUID, FZ-2122, 67 Additive, 74 Additive, M Additive, SF8419 OIL (Dow Toray Co., Ltd.), TSF-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), etc. is mentioned.
  • a compound having the following structure can also be used as the silicone-based surfactant.
  • the content of the surfactant in the total solid content of the resin composition is preferably 0.001% by mass to 5.0% by mass, more preferably 0.005% by mass to 3.0% by mass. Only one type of surfactant may be used, or two or more types may be used. When two or more kinds are used, the total amount is preferably within the above range.
  • the resin composition of the present invention can contain an ultraviolet absorber.
  • a conjugated diene compound, an aminodiene compound, a salicylate compound, a benzophenone compound, a benzotriazole compound, an acrylonitrile compound, a hydroxyphenyltriazine compound, an indole compound, a triazine compound, or the like can be used as the ultraviolet absorber.
  • paragraph numbers 0052 to 0072 of JP 2012-208374, paragraph numbers 0317 to 0334 of JP 2013-068814, paragraph numbers 0061 to 0080 of JP 2016-162946 are described. The contents of which can be referred to are incorporated herein.
  • UV absorbers examples include UV-503 (manufactured by Daito Chemical Co., Ltd.), Tinuvin series and Uvinul series manufactured by BASF, and Sumisorb series manufactured by Sumika Chemtex Co., Ltd. .
  • Benzotriazole compounds include the MYUA series manufactured by Miyoshi Oil (Kagaku Kogyo Nippo, February 1, 2016).
  • the ultraviolet absorber is a compound described in paragraph numbers 0049 to 0059 of Japanese Patent No. 6268967, a compound described in paragraph numbers 0059 to 0076 of WO 2016/181987, and WO 2020/137819.
  • a thioaryl group-substituted benzotriazole-type ultraviolet absorber described in can also be used.
  • the content of the ultraviolet absorber in the total solid content of the resin composition is preferably 0.01 to 10% by mass, more preferably 0.01 to 5% by mass. Only one type of ultraviolet absorber may be used, or two or more types may be used. When two or more kinds are used, the total amount is preferably within the above range.
  • the resin composition of the present invention can contain an antioxidant.
  • Antioxidants include phenol compounds, phosphite ester compounds, thioether compounds and the like. Any phenolic compound known as a phenolic antioxidant can be used as the phenolic compound. Preferred phenolic compounds include hindered phenolic compounds. A compound having a substituent at a site adjacent to the phenolic hydroxy group (ortho position) is preferred. As the aforementioned substituent, a substituted or unsubstituted alkyl group having 1 to 22 carbon atoms is preferred.
  • the antioxidant is also preferably a compound having a phenol group and a phosphite ester group in the same molecule.
  • Phosphorus-based antioxidants can also be suitably used as antioxidants.
  • antioxidants may be compounds described in Korean Patent Publication No. 10-2019-0059371.
  • the content of the antioxidant in the total solid content of the resin composition is preferably 0.01 to 20% by mass, more preferably 0.3 to 15% by mass. Only one kind of antioxidant may be used, or two or more kinds thereof may be used. When two or more kinds are used, the total amount is preferably within the above range.
  • the resin composition of the present invention may optionally contain sensitizers, fillers, thermosetting accelerators, plasticizers and other auxiliaries (e.g., conductive particles, antifoaming agents, flame retardants, leveling agents, peeling agents, etc.). accelerators, fragrances, surface tension modifiers, chain transfer agents, etc.). Properties such as film physical properties can be adjusted by appropriately containing these components. These components are, for example, described in JP 2012-003225, paragraph number 0183 and later (corresponding US Patent Application Publication No. 2013/0034812, paragraph number 0237), JP 2008-250074 paragraph The descriptions of numbers 0101 to 0104, 0107 to 0109, etc. can be referred to, and the contents thereof are incorporated herein.
  • auxiliaries e.g., conductive particles, antifoaming agents, flame retardants, leveling agents, peeling agents, etc.
  • the resin composition may contain a latent antioxidant as needed.
  • the latent antioxidant is a compound in which the site functioning as an antioxidant is protected with a protective group, and is heated at 100 to 250°C, or heated at 80 to 200°C in the presence of an acid/base catalyst.
  • a compound that functions as an antioxidant by removing the protective group by the reaction is exemplified.
  • Examples of latent antioxidants include compounds described in International Publication No. 2014/021023, International Publication No. 2017/030005, and JP-A-2017-008219.
  • Commercially available products include ADEKA Arkles GPA-5001 (manufactured by ADEKA Co., Ltd.).
  • the resin 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 size of the metal oxide is preferably 1 to 100 nm, more preferably 3 to 70 nm, even more preferably 5 to 50 nm.
  • Metal oxides may have a core-shell structure. Moreover, in this case, the core portion may be hollow.
  • the resin composition of the present invention may contain a light resistance improver.
  • a light resistance improver compounds described in paragraph numbers 0036 to 0037 of JP-A-2017-198787, compounds described in paragraph numbers 0029-0034 of JP-A-2017-146350, JP-A-2017-129774 Compounds described in paragraph numbers 0036 to 0037, 0049 to 0052 of JP 2017-129674 JP 2017-129674 paragraph numbers 0031 to 0034, 0058 to 0059 compounds described in JP 2017-122803 paragraph numbers 0036 to 0037 , compounds described in 0051 to 0054, compounds described in paragraph numbers 0025 to 0039 of WO 2017/164127, compounds described in paragraph numbers 0034 to 0047 of JP 2017-186546, JP 2015-025116 Compounds described in paragraph numbers 0019 to 0041 of JP-A-2012-145604, compounds described in paragraph numbers 0101-0125 of JP-A-2012-103475, compounds
  • the content of free metals that are not bound or coordinated with pigments is preferably 100 ppm or less, more preferably 50 ppm or less, and even more preferably 10 ppm or less. , is particularly preferably substantially free.
  • stabilization of pigment dispersibility prevention of aggregation
  • improvement of spectral characteristics due to improvement of dispersibility stabilization of curable components
  • suppression of conductivity fluctuations due to elution of metal atoms and metal ions display Effects such as improved characteristics can be expected.
  • the free metal types include Na, K, Ca, Sc, Ti, Mn, Cu, Zn, Fe, Cr, Co, Mg, Al, Sn, Zr, Ga, Ge, Ag, Au, Pt, Cs, Ni, Cd, Pb, Bi and the like are included.
  • the content of free halogen that is not bound or coordinated with pigments is preferably 100 ppm or less, more preferably 50 ppm or less, and preferably 10 ppm or less. It is more preferable, and it is particularly preferable that it does not contain substantially.
  • Halogens include F, Cl, Br, I and their anions.
  • Methods for reducing free metals and halogens in the resin composition include methods such as washing with ion-exchanged water, filtration, ultrafiltration, and purification with an ion-exchange resin.
  • perfluoroalkylsulfonic acid and its salts may be regulated.
  • perfluoroalkylsulfonic acid especially perfluoroalkylsulfonic acid having 6 to 8 carbon atoms in the perfluoroalkyl group
  • perfluoroalkylsulfonic acid especially perfluoroalkylsulfonic acid having 6 to 8 carbon atoms in the perfluoroalkyl group
  • the content of fluoroalkylcarboxylic acid (especially perfluoroalkylcarboxylic acid having 6 to 8 carbon atoms in the perfluoroalkyl group) and its salt is 0.01ppb to 1,000ppb with respect to the total solid content of the resin composition.
  • the resin composition of the present invention may be substantially free of perfluoroalkylsulfonic acid and its salts and perfluoroalkylcarboxylic acid and its salts.
  • a compound that can substitute for perfluoroalkylsulfonic acid and its salt and a compound that can substitute for perfluoroalkylcarboxylic acid and its salt, perfluoroalkylsulfonic acid and its salt, and perfluoroalkylcarboxylic acid and salts thereof may be selected.
  • Examples of compounds that can substitute for regulated compounds include compounds that are excluded from the scope of regulation due to differences in the number of carbon atoms in perfluoroalkyl groups. However, the above content does not prevent the use of perfluoroalkylsulfonic acid and its salts, and perfluoroalkylcarboxylic acid and its salts.
  • the resin composition of the present invention may contain perfluoroalkylsulfonic acid and its salts, and perfluoroalkylcarboxylic acid and its salts within the maximum permissible range.
  • the resin composition of the present invention preferably does not substantially contain terephthalic acid ester.
  • substantially free means that the content of the terephthalic acid ester is 1000 mass ppb or less, more preferably 100 mass ppb or less, in the total amount of the resin composition. Zero is particularly preferred.
  • the storage container for the resin composition is not particularly limited, and known storage containers can be used.
  • a storage container for the purpose of suppressing the contamination of raw materials and resin compositions, a multi-layer bottle whose inner wall is composed of 6 types and 6 layers of resin, and a bottle with a 7-layer structure of 6 types of resin It is also preferred to use Examples of such a container include the container described in JP-A-2015-123351.
  • the inner wall of the container is preferably made of glass or stainless steel for the purpose of preventing metal elution from the inner wall of the container, enhancing the storage stability of the resin composition, and suppressing deterioration of components.
  • the resin composition of the present invention can be prepared by mixing the aforementioned components. In preparing the resin composition, all components may be dissolved and/or dispersed in an organic solvent at the same time to prepare the resin composition. , and these may be mixed at the time of use (at the time of application) to prepare a resin composition.
  • a process of dispersing the pigment when preparing the resin 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.
  • 2015-157893 can be suitably used. Further, in the process of dispersing the pigment, the particles may be made finer in the salt milling process. Materials, equipment, processing conditions, etc. used in the salt milling process can be referred to, for example, Japanese Patent Application Laid-Open Nos. 2015-194521 and 2012-046629.
  • any filter that has been conventionally used for filtration or the like can be used without particular limitation.
  • PTFE polytetrafluoroethylene
  • PVDF polyvinylidene fluoride
  • polyamide resins such as nylon (eg nylon-6, nylon-6,6), polyethylene
  • polyolefin resins such as polypropylene (PP) (including high-density, ultra-high-molecular-weight polyolefin resin).
  • PP polypropylene
  • polypropylene including high density polypropylene
  • nylon are preferred.
  • the pore size of the filter is preferably 0.01-7.0 ⁇ m, more preferably 0.01-3.0 ⁇ m, and even more preferably 0.05-0.5 ⁇ 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 filter manufacturer's nominal value.
  • Various filters provided by Nippon Pall Co., Ltd. (DFA4201NXEY, DFA4201NAEY, DFA4201J006P, etc.), Advantech Toyo Co., Ltd., Nihon Entegris Co., Ltd. (former Japan Microlith Co., Ltd.), Kitz Micro Filter Co., Ltd., etc. can be used as filters. .
  • fibrous filter media include polypropylene fibers, nylon fibers, and glass fibers.
  • Commercially available products include SBP type series (SBP008, etc.), TPR type series (TPR002, TPR005, etc.), and SHPX type series (SHPX003, etc.) manufactured by Roki Techno.
  • filters When using filters, different filters (eg, a first filter and a second filter, etc.) may be combined. At that time, filtration with each filter may be performed only once, or may be performed twice or more. Also, filters with different pore sizes within the range described above may be combined. Further, the filtration with the first filter may be performed only on the dispersion liquid, and after mixing other components, the filtration with the second filter may be performed. In addition, the filter can be appropriately selected according to the hydrophilicity/hydrophobicity of the resin composition.
  • the method for producing the resin of the present invention includes a step of reacting a resin having a primary amino group or a secondary amino group with a macromonomer having an acid anhydride structure at its terminal.
  • a resin having a primary amino group or a secondary amino group includes the amine polymer M described in the section of the specific resin.
  • Examples of the macromonomer having an acid anhydride structure at its terminal include the macromonomer AH described in the section on the specific resin.
  • a resin having a primary amino group or a secondary amino group (amine polymer M) is reacted with a macromonomer having an acid anhydride structure at its terminal to obtain an amino group-containing resin (amine polymer M).
  • the group undergoes an addition ring-opening reaction with the acid anhydride group of the macromonomer having an acid anhydride structure at its end (macromonomer AH), and the ring-opening of the acid anhydride group forms an amide bond and a carboxy group.
  • the ratio of the acid anhydride group of the macromonomer AH is 0.05 to 1 mol per 1 mol of the amino group of the amine polymer M. is preferred, the ratio of 0.1 to 1 mol is more preferred, and the ratio of 0.2 to 1 mol is even more preferred.
  • cyclic acid anhydrides succinic anhydride, glutaric anhydride, maleic anhydride, phthalic anhydride, itaconic anhydride, cis-4-cyclohexene-1,2-dicarboxylic anhydride, ( ⁇ )-trans-1,2-cyclohexanedicarboxylic anhydride, cis-1,2-cyclohexanedicarboxylic anhydride, 5-norbornene-2,3-dicarboxylic anhydride, exo-3,6-epoxy-1 , 2,3,6-tetrahydrophthalic anhydride, 4-methylcyclohexane-1,2-dicarboxylic anhydride, trimellitic anhydride, 2,3-naphthalenedicarboxylic anhydride, tetrachlorophthalic anhydride, tetrabromophthalic anhydride, 2-sulfobenzoic anhydride, tetrab
  • the amino group of the amine polymer M reacts with the above compound to give the resin functional groups such as an acid group, an ethylenically unsaturated bond-containing group, an epoxy group, an oxetanyl group, and a group having a dye partial structure. can be added.
  • the film of the present invention is a film obtained from the resin composition of the present invention described above.
  • the film of the present invention can be used for optical filters such as color filters, near-infrared transmission filters, and near-infrared cut filters.
  • the film of the present invention can also be used as a black matrix, a light-shielding film, and the like.
  • the film thickness of the film of the present invention can be appropriately adjusted according to 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 using the film of the present invention as a color filter, the film of the present invention preferably has a hue of green, red, blue, cyan, magenta or yellow. Moreover, 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, and yellow pixels.
  • the maximum absorption wavelength of the film of the present invention preferably exists in the wavelength range of 700 to 1800 nm, more preferably in the wavelength range of 700 to 1300 nm. More preferably, it exists in the wavelength range of 700 to 1100 nm.
  • the transmittance of the film over the entire wavelength range of 400 to 650 nm is preferably 70% or more, more preferably 80% or more, and even more preferably 90% or more. Further, it is preferable that the transmittance of the film at least at one point in the wavelength range of 700 to 1800 nm is 20% or less.
  • the absorbance Amax/absorbance A550 which is the ratio of the absorbance Amax at the maximum absorption wavelength and the absorbance A550 at a wavelength of 550 nm, is preferably 20 to 500, more preferably 50 to 500, and 70 to 450. more preferably 100 to 400.
  • the film of the present invention preferably has, for example, any one of the following spectral characteristics (i1) to (i5).
  • a film having such spectral characteristics can block light in the wavelength range of 400 to 640 nm and transmit light in the wavelength range of 750 nm or more.
  • the maximum transmittance in the wavelength range of 400 to 750 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 900 to 1500 nm is A filter that 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 750 nm and transmit light in the wavelength range of 850 nm or more.
  • the maximum transmittance in the wavelength range of 400 to 830 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1000 to 1500 nm is A filter that 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 830 nm and transmit light in the wavelength range of 950 nm or more.
  • the maximum transmittance in the wavelength range of 400 to 950 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1100 to 1500 nm is A filter that 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 950 nm and transmit light in the wavelength range of 1050 nm or more.
  • the maximum transmittance in the wavelength range of 400 to 1050 nm is 20% or less (preferably 15% or less, more preferably 10% or less), and the minimum transmittance in the wavelength range of 1200 to 1500 nm is A filter that 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 1050 nm and transmit light in the wavelength range of 1150 nm or more.
  • the thickness of the film after heat treatment at 300° C. for 5 hours in a nitrogen atmosphere is preferably 70% or more, preferably 80% or more, of the film thickness before heat treatment. is more preferably 90% or more, even more preferably 95% or more, and particularly preferably 99% or more.
  • the thickness of the film after heat treatment at 350° C. for 5 hours in a nitrogen atmosphere is preferably 70% or more, and preferably 80% or more, of the thickness of the film before heat treatment. is more preferably 90% or more, still more preferably 95% or more, and particularly preferably 99% or more.
  • the thickness of the film after heat treatment at 400° C. for 5 hours in a nitrogen atmosphere is preferably 70% or more, and preferably 80% or more, of the thickness of the film before heat treatment. is more preferably 90% or more, still more preferably 95% or more, and particularly preferably 99% or more.
  • the membrane of the present invention can be produced through the step of applying the above resin composition of the present invention onto a support. It is preferable that the method for producing a film of the present invention further includes a step of forming a pattern (pixels).
  • a method for forming the pattern (pixels) includes a photolithography method and a dry etching method, and the photolithography method is preferable.
  • Pattern formation by photolithography includes the steps of forming a resin composition layer on a support using the resin composition of the present invention, exposing the resin composition layer in a pattern, and exposing the resin composition layer to light. forming a pattern (pixels) by developing and removing the exposed portion. If necessary, a step of baking the resin composition layer (pre-baking step) and a step of baking the developed pattern (pixels) (post-baking step) may be provided.
  • the resin composition of the present invention is used to form a resin composition layer on a support.
  • the support is not particularly limited and can be appropriately selected depending on the application. Examples thereof include glass substrates and silicon substrates, and silicon substrates are preferred. Also, a charge-coupled device (CCD), a complementary metal oxide semiconductor (CMOS), a transparent conductive film, or the like may be formed on the silicon substrate.
  • CCD charge-coupled device
  • CMOS complementary metal oxide semiconductor
  • the silicon substrate is formed with a black matrix that isolates each pixel.
  • the silicon substrate may be provided with an underlying layer for improving adhesion with the upper layer, preventing diffusion of substances, or flattening the substrate surface.
  • the surface contact angle of the underlayer is preferably 20 to 70° when measured with diiodomethane. Further, it is preferably 30 to 80° when measured with water. If the surface contact angle of the underlayer is within the above range, the wettability of the resin composition is good.
  • the surface contact angle of the underlayer can be adjusted, for example, by adding a surfactant.
  • a known method can be used as a method for applying the resin composition.
  • drop method drop cast
  • slit coating method spray method
  • roll coating method spin coating
  • methods described in publications inkjet (e.g., on-demand method, piezo method, thermal method), ejection system printing such as nozzle jet, flexographic printing, screen printing, gravure printing, reverse offset printing, metal mask printing, etc. a printing method; a transfer method using a mold or the like; a nanoimprint method, and the like.
  • inkjet e.g., on-demand method, piezo method, thermal method
  • ejection system printing such as nozzle jet, flexographic printing, screen printing, gravure printing, reverse offset printing, metal mask printing, etc.
  • a printing method a transfer method using a mold or the like
  • nanoimprint method and the like.
  • the application method for inkjet is not particularly limited.
  • the resin composition layer formed on the support may be dried (pre-baked). Pre-baking may not be performed when the film is manufactured by a low-temperature process.
  • the pre-baking 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, and can also be 80° C. or higher.
  • the pre-bake time is preferably 10 to 300 seconds, more preferably 40 to 250 seconds, even more preferably 80 to 220 seconds. Pre-baking can be performed using a hot plate, an oven, or the like.
  • the resin composition layer is exposed in a pattern (exposure step).
  • the resin composition layer can be exposed in a pattern by exposing through a mask having a predetermined mask pattern using a stepper exposure machine, a scanner exposure machine, or the like. Thereby, the exposed portion can be cured.
  • Radiation (light) that can be used for exposure includes g-line, i-line, and the like.
  • Light with a wavelength of 300 nm or less (preferably light with a wavelength of 180 to 300 nm) can also be used.
  • Light having a wavelength of 300 nm or less includes KrF rays (wavelength: 248 nm), ArF rays (wavelength: 193 nm), etc., and KrF rays (wavelength: 248 nm) are preferable.
  • a long-wave light source of 300 nm or more can also be used.
  • the exposure may be performed by continuously irradiating the light, or by pulsing the light (pulse exposure).
  • pulse exposure is an exposure method in which exposure is performed by repeating light irradiation and rest in short-time (for example, millisecond level or less) cycles.
  • the pulse width is preferably 100 nanoseconds (ns) or less, more preferably 50 nanoseconds or less, and even more preferably 30 nanoseconds or less.
  • the lower limit of the pulse width is not particularly limited, but may be 1 femtosecond (fs) or more, and may be 10 femtoseconds or more.
  • the frequency is preferably 1 kHz or higher, more preferably 2 kHz or higher, and even more preferably 4 kHz or higher.
  • the upper limit of the frequency is preferably 50 kHz or less, more preferably 20 kHz or less, and even more preferably 10 kHz or less.
  • the maximum instantaneous illuminance is preferably 50000000 W/ m2 or more, more preferably 100000000 W/ m2 or more, and even more preferably 200000000 W/ m2 or more.
  • the upper limit of the maximum instantaneous illuminance is preferably 1000000000 W/m 2 or less, more preferably 800000000 W/m 2 or less, and even more preferably 500000000 W/m 2 or less.
  • the pulse width is the time during which light is applied in the pulse period.
  • frequency is the number of pulse cycles per second.
  • maximum instantaneous illuminance is the average illuminance within the time during which the light is irradiated in the pulse period.
  • the pulse cycle is a cycle in which light irradiation and rest in pulse exposure are set as one cycle.
  • 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 at the time of exposure can be selected as appropriate, and in addition to exposure in the atmosphere, for example, in a low oxygen atmosphere with an oxygen concentration of 19% by volume or less (e.g., 15% by volume, 5% by volume, or substantially oxygen-free) or in a high-oxygen atmosphere with an oxygen concentration exceeding 21% by volume (for example, 22% by volume, 30% by volume, or 50% by volume).
  • the exposure illuminance can be set as appropriate, and is usually selected from the range of 1000 W/m 2 to 100000 W/m 2 (eg, 5000 W/m 2 , 15000 W/m 2 or 35000 W/m 2 ). can be done. Oxygen concentration and exposure illuminance may be appropriately combined. For example, illuminance of 10000 W/m 2 at oxygen concentration of 10% by volume and illuminance of 20000 W/m 2 at oxygen concentration of 35% by volume.
  • the unexposed portions of the resin composition layer are removed by development to form a pattern (pixels).
  • the development and removal of the unexposed portion of the resin composition layer can be performed using a developer.
  • the unexposed portion of the resin composition layer in the exposure step is eluted into the developer, leaving only the photocured portion.
  • the temperature of the developer is preferably 20 to 30° C., for example.
  • the development time is preferably 20 to 180 seconds. Further, in order to improve the residue removability, the step of shaking off the developer every 60 seconds and then supplying new developer may be repeated several times.
  • the developer includes an organic solvent, an alkaline developer, etc., and an alkaline developer is preferably used.
  • an alkaline developer an alkaline aqueous solution (alkali developer) obtained by diluting an alkaline agent with pure water is preferable.
  • alkaline agents include ammonia, ethylamine, diethylamine, dimethylethanolamine, diglycolamine, diethanolamine, hydroxylamine, ethylenediamine, tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, and tetrabutylammonium hydroxide.
  • alkaline compounds and inorganic alkaline compounds such as sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, sodium silicate and sodium metasilicate.
  • 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 surfactant include the surfactants described above, and nonionic surfactants are preferred.
  • the developer may be produced once as a concentrated solution and then diluted to the required concentration when used.
  • the dilution ratio is not particularly limited, it can be set, for example, in the range of 1.5 to 100 times.
  • wash (rinse) with pure water after development. Rinsing is preferably carried out by supplying a rinse liquid to the resin composition layer after development while rotating the support on which the resin composition layer after development is formed. It is also preferable to move the nozzle for discharging the rinsing liquid from the central portion of the support to the peripheral portion of the support.
  • the moving speed of the nozzle may be gradually decreased.
  • in-plane variations in rinsing can be suppressed.
  • a similar effect can be obtained by gradually decreasing the rotation speed of the support while moving the nozzle from the center of the support to the periphery.
  • post-baking After development, it is preferable to perform additional exposure processing and heat processing (post-baking) after drying. Additional exposure processing and post-baking are post-development curing treatments for complete curing.
  • the heating temperature in post-baking is, for example, preferably 100 to 240.degree. C., more preferably 200 to 240.degree. Also, the heating temperature in post-baking may be 240 to 400.degree. C., 250 to 350.degree. C., or 300 to 350.degree.
  • the heating time in post-baking is, for example, preferably 5 minutes to 5 hours, more preferably 1 to 4 hours, and even more preferably 2 to 4 hours.
  • Post-baking can be performed continuously or batchwise using a heating means such as a hot plate, a convection oven (hot air circulating dryer), or a high-frequency heater so that the developed film satisfies the above conditions.
  • a heating means such as a hot plate, a convection oven (hot air circulating dryer), or a high-frequency heater so that the developed film satisfies the above conditions.
  • the light used for exposure preferably has a wavelength of 400 nm or less.
  • the additional exposure process may be performed by the method described in Korean Patent Publication No. 10-2017-0122130.
  • Pattern formation by a dry etching method includes the steps of forming a resin composition layer on a support using the resin composition of the present invention, and curing the entire resin composition layer to form a cured product layer; a step of forming a photoresist layer on the cured layer; a step of patternwise exposing the photoresist layer and then developing it to form a resist pattern; and etching the cured layer using the resist pattern as a mask. and dry etching using a gas.
  • the optical filter of the present invention has the film of the present invention as described above.
  • the optical filter includes a color filter, a near-infrared transmission filter, a near-infrared cut filter, and the like, and is preferably a color filter.
  • a color filter it is preferable to have the film of the present invention as a colored pixel of the color filter.
  • the optical filter of the present invention can be used for solid-state imaging devices such as CCDs (charge-coupled devices) and CMOSs (complementary metal oxide semiconductors), image display devices, and the like.
  • the film thickness of the film of the present invention can be appropriately adjusted according to the purpose.
  • the film thickness is preferably 5 ⁇ m or less, more preferably 1 ⁇ m or less, even more preferably 0.6 ⁇ 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 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 preferably has high flatness.
  • the pixel surface roughness Ra 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, AFM (Atomic Force Microscope) Dimension 3100 manufactured by Veeco.
  • the contact angle of water on the pixel can be appropriately set to a preferable 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 the 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.
  • the protective layer By providing the protective layer, it is possible to impart various functions such as blocking oxygen, reducing reflection, making the film hydrophilic and hydrophobic, and blocking light of a specific wavelength (ultraviolet rays, near-infrared rays, etc.).
  • the thickness of the protective layer is preferably 0.01-10 ⁇ m, more preferably 0.1-5 ⁇ m.
  • Examples of the method for forming the protective layer include a method of applying a protective layer-forming resin composition dissolved in an organic solvent, a chemical vapor deposition method, and a method of adhering a molded resin with an adhesive.
  • Components constituting the protective layer include (meth)acrylic resins, ene-thiol resins, polycarbonate resins, polyether resins, polyarylate resins, polysulfone resins, polyethersulfone resins, polyphenylene resins, polyarylene ether phosphine oxide resins, and polyimides.
  • 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-forming resin composition When the protective layer-forming resin composition is applied to form the protective layer, known methods such as a spin coating method, a casting method, a screen printing method, an inkjet method, and the like can be used as a method for applying the protective layer-forming resin composition. can be used.
  • known methods such as a spin coating method, a casting method, a screen printing method, an inkjet method, and the like can be used as a method for applying the protective layer-forming resin composition. can be used.
  • the organic solvent contained in the protective layer-forming resin composition known organic solvents (eg, propylene glycol 1-monomethyl ether 2-acetate, cyclopentanone, ethyl lactate, etc.) can be used.
  • the protective layer is formed by a chemical vapor deposition method
  • the chemical vapor deposition method includes known chemical vapor deposition methods (thermal chemical vapor deposition method, plasma chemical vapor deposition method, photochemical vapor deposition method). can be used.
  • the protective layer contains organic/inorganic fine particles, absorbers for light of specific wavelengths (e.g., ultraviolet rays, near-infrared rays, etc.), refractive index modifiers, antioxidants, adhesion agents, additives such as surfactants. may contain.
  • organic/inorganic fine particles include polymeric fine particles (eg, silicone resin fine particles, polystyrene fine particles, melamine resin fine particles), titanium oxide, zinc oxide, zirconium oxide, indium oxide, aluminum oxide, titanium nitride, and titanium oxynitride. , magnesium fluoride, hollow silica, silica, calcium carbonate, barium sulfate, and the like.
  • a known absorber can be used as the absorber for light of a specific wavelength.
  • the content of these additives can be appropriately adjusted, but is preferably 0.1 to 70% by mass, more preferably 1 to 60% by mass, based on the total mass of the protective layer.
  • the protective layer the protective layers described in paragraphs 0073 to 0092 of JP-A-2017-151176 can also be used.
  • the optical filter may have a structure in which each pixel is embedded in a space partitioned by partition walls, for example, in a grid pattern.
  • the resin composition of the present invention can also be suitably used for the pixel configuration described in International Publication No. 2019/102887.
  • the solid-state imaging device of the present invention has the film of the present invention described above.
  • the configuration of the solid-state imaging device of the present invention is not particularly limited as long as it has the film of the present invention and functions as a solid-state imaging device.
  • a plurality of photodiodes forming a light receiving area of a solid-state imaging device CCD (charge-coupled device) image sensor, CMOS (complementary metal oxide semiconductor) image sensor, etc.) and transfer electrodes made of polysilicon or the like are provided on the substrate. and a device protective film made of silicon nitride or the like formed on the light shielding film so as to cover the entire surface of the light shielding film and the photodiode light receiving portion. and a color filter on the device protective film.
  • the color filter may have a structure in which each color pixel is embedded in a space partitioned by partition walls, for example, in a grid pattern.
  • the partition wall preferably has a lower refractive index than each color pixel. Examples of imaging devices having such a structure are described in JP-A-2012-227478, JP-A-2014-179577, International Publication No. 2018/043654, and US Patent Application Publication No.
  • an ultraviolet absorption layer may be provided in the structure of the solid-state imaging device to improve light resistance.
  • An imaging device equipped with the solid-state imaging device of the present invention can be used not only for digital cameras and electronic devices having an imaging function (mobile phones, etc.), but also for vehicle-mounted cameras and monitoring cameras.
  • the solid-state imaging device incorporating the color filter of the present invention may further incorporate another color filter, a near-infrared cut filter, an organic photoelectric conversion film, etc., in addition to the color filter of the present invention.
  • the image display device of the present invention has the film of the present invention described above.
  • image display devices include liquid crystal display devices and organic electroluminescence display devices.
  • electroluminescence display devices For a definition of an image display device and details of each image display device, see, for example, “Electronic Display Device (by Akio Sasaki, Industrial Research Institute, 1990)", “Display Device (by Junsho Ibuki, 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 Choukai Co., Ltd., 1994)". There is no particular limitation on the liquid crystal display device to which the present invention can be applied.
  • A 56.11 x Vs x 0.5 x f/w
  • f titer of 0.1 mol/L potassium hydroxide aqueous solution
  • w mass of sample (g) (in terms of solid content)
  • the obtained solution of hydroxy-terminated polymer was cooled to 5° C., 32.1 g of trimellitic anhydride chloride was added, and 15.3 g of pyridine was added dropwise over 6 hours. Further, the mixture was stirred at room temperature for 24 hours, and insoluble matter was removed by filtration to obtain a macromonomer solution having an acid anhydride structure at the end of the following structure.
  • the weight average molecular weight of the resulting macromonomer having an acid anhydride structure at its end was 2,500.
  • the resulting macromonomer solution having an acid anhydride structure at its end was heated to 50°C, and 7.1 g of polyethyleneimine (Epomin SP-003, manufactured by Nippon Shokubai Co., Ltd.) was added. Further, the mixture was heated and stirred at 50° C. for 5 hours. 280 g of propylene glycol monomethyl ether acetate was added to adjust the solid content concentration to obtain a 30% by mass propylene glycol monomethyl ether acetate solution of resin B-1 having the following structure.
  • the obtained resin B-1 had a weight average molecular weight of 6600, an acid value of 21 mgKOH/g, and an amine value of 33 mgKOH/g.
  • the structures, weight average molecular weights (Mw), acid values and amine values of Resins B-1 to B-35 are shown below.
  • the numerical value attached to the main chain represents the molar ratio.
  • the numerical value attached to the repeating unit represents the number of repeating units.
  • a mixed liquid obtained by mixing the raw materials shown in the table below was mixed and dispersed for 3 hours using a bead mill (using zirconia beads with a diameter of 0.3 mm), and then a high-pressure disperser NANO-3000-10 (Nippon BEE) with a decompression mechanism. (manufactured by Co., Ltd.) under a pressure of 2000 MPa and a flow rate of 500 g/min. This dispersion treatment was repeated 10 times to obtain each dispersion.
  • the unit of the numerical value indicating the compounding amount of each raw material described in the above table is parts by mass.
  • the details of the raw materials indicated by abbreviations are as follows.
  • PR122 C.I. I. Pigment Red 122 (red pigment, quinacridone pigment)
  • PR179 C.I. I. Pigment Red 179 (red pigment, perylene pigment)
  • PR254 C.I. I. Pigment Red 254 (red pigment, diketopyrrolopyrrole pigment)
  • PR264 C.I. I. Pigment Red 264 (red pigment, diketopyrrolopyrrole pigment)
  • PR291 C.I. I.
  • Pigment Red 291 red pigment, diketopyrrolopyrrole pigment
  • PO71 C.I. I. Pigment Orange 71 (orange pigment, diketopyrrolopyrrole pigment)
  • PB15:6 C.I. I. Pigment Blue 15:6 (blue pigment, phthalocyanine pigment)
  • PB16 C.I. I. Pigment Blue 16 (blue pigment, phthalocyanine pigment)
  • PG7 C.I. I. Pigment Green 7 (green pigment, phthalocyanine pigment)
  • PG36 C.I. I. Pigment Green 36 (green pigment, phthalocyanine pigment)
  • PG58 C.I. I. Pigment Green 58 (green pigment, phthalocyanine pigment)
  • PY185 C.I.
  • I. Pigment Yellow 185 (yellow pigment, isoindoline pigment)
  • PY215 C.I. I. Pigment Yellow 215 (yellow pigment, pteridine pigment)
  • PV23 C.I. I. Pigment Violet 23 (purple pigment, dioxazine pigment)
  • IR dye compound with the following structure (near-infrared absorbing pigment, in the structural formula, Me represents a methyl group and Ph represents a phenyl group)
  • IRGAPHORE Irgaphor Black S 0100 CF (manufactured by BASF, compound having the following structure, lactam pigment)
  • PBk32 C.I. I. Pigment Black 32 (compound with the following structure, perylene pigment)
  • ⁇ resin ⁇ Ba-1 resin having the following structure (numerical values attached to the main chain are molar ratios; weight average molecular weight: 11,000)
  • Ba-2 resin having the following structure (numerical values attached to the main chain are molar ratios; weight average molecular weight: 15,000)
  • Ba-3 resin having the following structure (numerical values attached to the main chain are molar ratios. The total value of x, y and z is 50.
  • Bb-1 Resin having the following structure (numerical values attached to the main chain are molar ratios; weight average molecular weight: 13,000)
  • Bb-2 resin cB-1 described above B-1, B-6, B-11, B-14, B-24, B-26, B-29, B-30: Resins B-1, B-6, B-11, B having the structures described above -14, B-24, B-26, B-29, B-30
  • D-1 Acrylate compound (KAYARAD DPHA, manufactured by Nippon Kayaku Co., Ltd., a mixture of dipentaerythritol hexaacrylate and dipentaerythritol pentaacrylate)
  • D-2 Epoxy compound (TETRAD-X, manufactured by Mitsubishi Gas Chemical Company, Inc., N,N,N',N'-tetraglycidyl-m-xylylenediamine)
  • D-3 Oxetane compound (OXT-221, manufactured by Toagosei Co., Ltd., 3-ethyl-3 ⁇ [(3-ethyloxetan-3-yl)methoxy]methyl ⁇ oxetane)
  • D-4 Oxetane compound (OX-SQ TX-100, manufactured by Toagosei Co., Ltd.)
  • E-1 Omnirad 379EG (manufactured by IGM Resins B.V., 2-dimethylamino-2-(4-methyl-benzyl)-1-(4-morpholin-4-yl-phenyl)-butane-1- on)
  • E-2 Irgacure OXE01 (manufactured by BASF, oxime compound)
  • E-3 A compound having the following structure
  • ⁇ Vis was 0.5 mPa ⁇ s or less.
  • B ⁇ Vis exceeded 0.5 mPa ⁇ s and was 1.0 mPa ⁇ s or less.
  • D ⁇ Vis exceeded 2.0 mPa ⁇ s and was 2.5 mPa ⁇ s or less.
  • E ⁇ Vis exceeded 2.5 mPa ⁇ s.
  • A The number average particle size of the pigment was 0.05 ⁇ m or less.
  • B The number average particle size of the pigment was more than 0.05 ⁇ m and 0.10 ⁇ m or less.
  • C The number average particle size of the pigment exceeded 0.10 ⁇ m and was 0.20 ⁇ m or less.
  • D The number average particle size of the pigment was more than 0.20 ⁇ m and 0.50 ⁇ m or less.
  • E The number average particle size of the pigment exceeded 0.50 ⁇ m.
  • the film thickness of the film after the heat treatment was measured in the same manner, the film shrinkage ratio was obtained from the following formula, and the film shrinkage ratio was evaluated according to the following evaluation criteria.
  • Both T 0 and T 1 below were measured in a laboratory where the temperature and humidity were controlled at 22 ⁇ 5° C. and 60 ⁇ 20%, and the substrate temperature was adjusted to 25° C. It can be said that the smaller the film shrinkage ratio is, the more the film shrinkage is suppressed, which is a favorable result.
  • Film shrinkage rate (%) (1-(T 1 /T 0 )) x 100
  • T 1 Film thickness after heat treatment at 300° C.
  • the surface of the inorganic film after heat treatment was observed with an optical microscope, the number of cracks per 1 cm 2 was counted, and the presence or absence of cracks was evaluated according to the following evaluation criteria.
  • E The number of cracks per 1 cm 2 was 101 or more.
  • Contaminant increase rate (number of contaminants 2/number of contaminants 1).
  • the storage stability and particle size were both evaluated as excellent, and the dispersibility of the pigments was excellent as compared to the case of using the resin compositions of Comparative Examples. Furthermore, when the resin compositions of Examples were used, the film shrinkage rate was smaller than when the resin compositions of Comparative Examples were used, and the occurrence of cracks and precipitation defects was suppressed. . For this reason, it can be said that the resin compositions of Examples are capable of expanding the process window in the steps after the production of the film as compared with the resin compositions of Comparative Examples.
  • Example 1000 Pattern formation by photolithography
  • the resin composition of Example 1 is applied by spin coating, dried at 100 ° C. for 120 seconds using a hot plate (pre-bake), and then heated at 200 ° C. for 30 minutes using an oven (post-bake). to form a resin composition layer having a thickness of 0.60 ⁇ m.
  • the resin composition layer is exposed to an i-line stepper exposure apparatus FPA-3000i5+ (Canon Co., Ltd.) through a mask pattern in which square non-masked portions with a side length of 1.1 ⁇ m are arranged in an area of 4 mm ⁇ 3 mm.
  • the silicon wafer on which the resin composition layer after exposure is formed is placed on a horizontal rotating table of a spin shower developing machine (DW-30 type, manufactured by Chemitronics Co., Ltd.), and a developing solution (CD -2000, manufactured by Fuji Film Electronic Materials Co., Ltd.), puddle development was performed at 23° C. for 60 seconds.
  • a pure water shower was supplied from above the center of rotation to perform a rinsing treatment, followed by spray drying to form a pattern (pixels).
  • the fabricated silicon wafer with pixels was divided into two, one of which was heat-treated at 300°C for 5 hours in a nitrogen atmosphere (hereinafter, one is referred to as a substrate before heat treatment at 300°C, and the other is referred to as a substrate after heat treatment at 300°C).
  • a substrate before heat treatment at 300°C one is referred to as a substrate before heat treatment at 300°C
  • a substrate after heat treatment at 300°C the cross section of the pixels formed on the substrate before the 300° C. heat treatment and the substrate after the 300° C. heat treatment was evaluated with a scanning electron microscope (SEM), the height of the pixels formed on the substrate after the 300° C. heat treatment was reduced.
  • the thickness (thickness) was 96% of the height (thickness) of the pixels formed on the substrate before heat treatment at 300°C.

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PCT/JP2022/005534 2021-02-18 2022-02-14 樹脂組成物、膜、光学フィルタ、固体撮像素子、画像表示装置、樹脂および樹脂の製造方法 WO2022176787A1 (ja)

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Citations (7)

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Publication number Priority date Publication date Assignee Title
JP2007063472A (ja) * 2005-09-01 2007-03-15 Dainichiseika Color & Chem Mfg Co Ltd 顔料の高分子分散剤およびカラーフィルター用着色組成物
JP2009203462A (ja) * 2008-01-31 2009-09-10 Fujifilm Corp 樹脂、顔料分散液、着色硬化性組成物、これを用いたカラーフィルタ及びその製造方法
JP2015502997A (ja) * 2011-11-18 2015-01-29 ビイク−ヒエミー ゲゼルシャフト ミツト ベシユレンクテル ハフツングＢＹＫ−Ｃｈｅｍｉｅ ＧｍｂＨ マイケル付加によって製造できるアミン付加物
JP2016530386A (ja) * 2013-09-06 2016-09-29 ルブリゾル アドバンスド マテリアルズ， インコーポレイテッド 多酸多塩基グラフトコポリマー分散剤
JP2017508851A (ja) * 2014-03-26 2017-03-30 エボニック デグサ ゲーエムベーハーＥｖｏｎｉｋ Ｄｅｇｕｓｓａ ＧｍｂＨ 分散樹脂
JP2019203084A (ja) * 2018-05-24 2019-11-28 東洋インキＳｃホールディングス株式会社 ブロックポリマー
JP2019203086A (ja) * 2018-05-24 2019-11-28 東洋インキＳｃホールディングス株式会社 ブロックポリマー

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007063472A (ja) * 2005-09-01 2007-03-15 Dainichiseika Color & Chem Mfg Co Ltd 顔料の高分子分散剤およびカラーフィルター用着色組成物
JP2009203462A (ja) * 2008-01-31 2009-09-10 Fujifilm Corp 樹脂、顔料分散液、着色硬化性組成物、これを用いたカラーフィルタ及びその製造方法
JP2015502997A (ja) * 2011-11-18 2015-01-29 ビイク−ヒエミー ゲゼルシャフト ミツト ベシユレンクテル ハフツングＢＹＫ−Ｃｈｅｍｉｅ ＧｍｂＨ マイケル付加によって製造できるアミン付加物
JP2016530386A (ja) * 2013-09-06 2016-09-29 ルブリゾル アドバンスド マテリアルズ， インコーポレイテッド 多酸多塩基グラフトコポリマー分散剤
JP2017508851A (ja) * 2014-03-26 2017-03-30 エボニック デグサ ゲーエムベーハーＥｖｏｎｉｋ Ｄｅｇｕｓｓａ ＧｍｂＨ 分散樹脂
JP2019203084A (ja) * 2018-05-24 2019-11-28 東洋インキＳｃホールディングス株式会社 ブロックポリマー
JP2019203086A (ja) * 2018-05-24 2019-11-28 東洋インキＳｃホールディングス株式会社 ブロックポリマー

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