WO2014030444A1 - Agent d'absorption des rayons proches de l'infrarouge, composition d'absorption des rayons proches de l'infrarouge, filtre de coupure des rayons proches de l'infrarouge utilisant ledit agent et ladite composition, et procédé de production dudit filtre, module de caméra et procédé de production dudit module, et procédé de production d'un agent d'absorption des rayons proches de l'infrarouge - Google Patents

Agent d'absorption des rayons proches de l'infrarouge, composition d'absorption des rayons proches de l'infrarouge, filtre de coupure des rayons proches de l'infrarouge utilisant ledit agent et ladite composition, et procédé de production dudit filtre, module de caméra et procédé de production dudit module, et procédé de production d'un agent d'absorption des rayons proches de l'infrarouge Download PDF

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WO2014030444A1
WO2014030444A1 PCT/JP2013/068599 JP2013068599W WO2014030444A1 WO 2014030444 A1 WO2014030444 A1 WO 2014030444A1 JP 2013068599 W JP2013068599 W JP 2013068599W WO 2014030444 A1 WO2014030444 A1 WO 2014030444A1
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infrared
substituent
compound
meth
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誠一 人見
星戊 朴
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富士フイルム株式会社
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
    • H01L27/144—Devices controlled by radiation
    • H01L27/146—Imager structures
    • H01L27/14601—Structural or functional details thereof
    • H01L27/14618—Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10—Bump connectors; Manufacturing methods related thereto
    • H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector

Definitions

  • the present invention relates to a near-infrared absorber and a method for producing the same. Moreover, it is related with the near-infrared absorptive composition containing a near-infrared absorber, and its manufacturing method. Moreover, it is related with the near-infrared cut filter using the near-infrared absorber and the near-infrared absorptive composition, its manufacturing method, a camera module, and its manufacturing method.
  • CCDs and CMOS image sensors which are solid-state image sensors for color images, have been used in video cameras, digital still cameras, mobile phones with camera functions, etc., but these solid-state image sensors are sensitive to near infrared rays in their light receiving parts. Therefore, it is necessary to correct visibility, and a near-infrared cut filter is often used.
  • Non-Patent Document 1 discloses a method of forming a copper complex and polymerizing the copper complex to form a layer.
  • the object of the present invention is to provide a near-infrared absorber having a high gram extinction coefficient, which is intended to solve the problems that have not been studied in the prior art.
  • ⁇ 1> A near-infrared absorber containing a phosphate copper complex formed by reacting a phosphate diester compound represented by the following formula and a copper salt.
  • R is an organic group.
  • O PO angle is in the range of 104 to 120 degrees
  • O3> The near-infrared absorber according to ⁇ 1> or ⁇ 2>, wherein the phosphoric acid diester compound has an OPO angle of 104 to 109.5 degrees.
  • ⁇ 4> The near-infrared absorber according to any one of ⁇ 1> to ⁇ 3>, wherein the gram extinction coefficient of the phosphate ester copper complex is 0.03 g / ml or more: However, the gram extinction coefficient is absorbance / concentration (concentration is weight (g) per mL).
  • ⁇ 5> The near-infrared absorber according to any one of ⁇ 1> to ⁇ 4>, wherein the maximum absorption wavelength of the phosphate ester copper complex is 790 to 850 nm.
  • a near-infrared absorbing composition comprising the near-infrared absorbent according to any one of ⁇ 1> to ⁇ 5>, a polymerizable compound, and a solvent, wherein the phosphoric ester copper in the near-infrared absorbing composition A near-infrared absorbing composition having a complex concentration of 10 to 80% by mass.
  • ⁇ 8> The near-infrared absorbing composition according to ⁇ 6> or ⁇ 7>, which is used by forming a coating film on an image sensor for a solid-state imaging device.
  • ⁇ 9> A near-infrared cut filter produced using the near-infrared absorber according to any one of ⁇ 1> to ⁇ 5> or the near-infrared absorbing composition according to any one of ⁇ 6> to ⁇ 8> .
  • ⁇ 10> A camera module having a solid-state image sensor substrate and the near-infrared cut filter according to ⁇ 9> disposed on the light-receiving side of the solid-state image sensor substrate.
  • ⁇ 11> A method of manufacturing a camera module having a solid-state image pickup device substrate and a near-infrared cut filter disposed on the light-receiving side of the solid-state image pickup device substrate.
  • the manufacturing method of a camera module which has the process of forming a film
  • a numerical range expressed using “to” means a range including numerical values described before and after “to” as a lower limit value and an upper limit value.
  • (meth) acrylate represents acrylate and methacrylate
  • (meth) acryl represents acryl and methacryl
  • (meth) acryloyl represents acryloyl and methacryloyl.
  • “monomer” and “monomer” are synonymous.
  • the monomer in the present invention is distinguished from an oligomer and a polymer and refers to a compound having a weight average molecular weight of 2,000 or less.
  • the polymerizable compound means a compound having a polymerizable functional group, and may be a monomer or a polymer.
  • the polymerizable functional group refers to a group that participates in a polymerization reaction.
  • the description which does not describe substitution and non-substitution includes what has a substituent with what does not have a substituent.
  • the “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).
  • the near infrared ray in the present invention refers to those having a maximum absorption wavelength region of 700 to 2500 nm.
  • the phosphate ester compound means a phosphate monoester compound, a phosphate diester compound, or a mixture thereof.
  • the near-infrared absorber of this invention is characterized by including the phosphate ester copper complex formed by making the phosphate diester compound and copper salt represented by a following formula react.
  • R is an organic group.
  • the OPO angle of the phosphoric acid diester compound is preferably 104 to 120 degrees, and more preferably 104 to 109.5 degrees.
  • the OPO angle of the phosphoric acid diester compound usually falls within the above range.
  • a phosphate monoester compound may be contained as a phosphate ester compound to be reacted with a copper salt.
  • the gram extinction coefficient of the phosphate ester copper complex in the present invention is preferably 0.03 g / ml or more, and more preferably 0.05 g / ml or more.
  • the gram extinction coefficient is absorbance / concentration (concentration is weight (g) per mL).
  • the maximum absorption wavelength of the phosphate ester copper complex is preferably 104 to 120 nm, and more preferably 104 to 109.5 nm.
  • the phosphoric acid monoester compound used in the present invention is preferably a compound represented by the following formula (1).
  • the phosphoric acid diester compound used by this invention is a compound represented by following formula (2).
  • Formula (1) Formula (2) (In the formulas (1) and (2), each R is an organic group having 3 or more carbon atoms. In the formula (2), Rs may be bonded to each other to form a cyclic structure. In this case, the total number of carbon atoms of the group containing a bonded cyclic structure is 3 or more.)
  • each R is an organic group having 3 or more carbon atoms, preferably 5 or more carbon atoms, and more preferably an organic group having 5 to 20 carbon atoms.
  • Rs may be bonded to each other to form a cyclic structure.
  • the total number of carbon atoms of the group containing the bonded cyclic structure is 3 or more, and the number of carbon atoms is 5
  • an organic group having 5 to 20 carbon atoms is more preferable.
  • R in the formulas (1) and (2) is an organic group having a (meth) acryloyloxy group as a substituent, a secondary alkyl group having an alkyl group as a substituent, and a tertiary having an alkyl group as a substituent. It is preferably selected from an alkyl group, an aryl group having a substituent, and an organic group containing any one or more of a cyclic structure formed by bonding R together.
  • An organic group having a (meth) acryloyloxy group as a substituent causes distortion in a complex formed by a mechanism of steric hindrance or electron repulsion derived from a double bond site and an oxygen atom.
  • the organic group having a (meth) acryloyloxy group as a substituent may have one (meth) acryloyloxy group in one R, or two or more (meth) acryloyloxy groups. It may be. Usually, one R or two (meth) acryloyloxy groups are contained in one R.
  • the organic group having a (meth) acryloyloxy group as a substituent is preferably an alkyl group having a (meth) acryloyloxy group as a substituent.
  • the organic group which has a (meth) acryloyloxy group as a substituent may contain substituents other than a (meth) acryloyloxy group, it is preferable that only a (meth) acryloyloxy group is included as a substituent.
  • the organic group substituted by the (meth) acryloyloxy group is an alkyl group, the alkyl chain preferably has 2 to 6 carbon atoms.
  • the secondary alkyl group having an alkyl group as a substituent and the tertiary alkyl group having an alkyl group as a substituent have a bulky structure, the resulting complex is distorted by steric hindrance.
  • the secondary alkyl group having an alkyl group as a substituent refers to a group represented by —CHR ′ 2 (R ′ is a substituent, and at least one is an alkyl group), and the alkyl group is used as a substituent.
  • the tertiary alkyl group possessed refers to a group represented by —CR ′ 3 (R ′ is a substituent, at least one is an alkyl group).
  • R ′ is preferably a linear or branched alkyl group having 1 to 5 carbon atoms, more preferably a methyl group, an ethyl group, or a branched alkyl group having 3 to 5 carbon atoms.
  • R ′ is preferably an isopropyl group or an alkyl group having an isopropyl group at the terminal. Therefore, the secondary alkyl group having an isopropyl group as a substituent and the tertiary alkyl group having an isopropyl group as a substituent are R 'is an isopropyl group or an alkyl group having an isopropyl group at the terminal.
  • Means that. R ′ preferably has 1 to 10 carbon atoms in total.
  • an aryl group having a substituent Since an aryl group having a substituent has a bulky structure, distortion is generated in the formed complex due to steric hindrance.
  • the substituent of the aryl group is not particularly limited as long as it is an organic group, and examples thereof include an ester-containing group.
  • An organic group containing any one or more of a cyclic structure formed by bonding Rs to each other causes distortion in the formed complex due to a mechanism of steric hindrance or structural rigidity due to ring formation.
  • R forms a cyclic structure
  • one constituting the ring is a phosphorus atom, and at least two atoms are oxygen atoms.
  • the cyclic structure is preferably composed of one phosphorus atom, two oxygen atoms, and 2 to 4 carbon atoms. Furthermore, you may have a substituent from a cyclic structure.
  • the organic group containing any one or more of the cyclic structures formed by bonding Rs to each other has a total carbon number of 3 or more, and preferably 3 to 10.
  • R is preferably composed of an atom selected from a carbon atom, oxygen atom, hydrogen atom, sulfur atom and nitrogen atom, and is composed of an atom selected from carbon atom, oxygen atom, hydrogen atom and sulfur atom. More preferably, it is more preferably composed of atoms selected from a carbon atom, an oxygen atom and a hydrogen atom. The total of carbon atoms, oxygen atoms, sulfur atoms and nitrogen atoms is preferably 5-30.
  • phosphate ester compounds that can be used in the present invention are shown below, but it goes without saying that the present invention is not limited to these.
  • the phosphate ester compound used in the present invention can be synthesized, for example, according to the following method. ⁇ Synthesis of the following compounds>
  • Triethylamine was added to a tetrahydrofuran (THF) solution of 2,4-dimethylpentanol and stirred at 0 ° C. for 5 minutes.
  • Phosphorous oxychloride was added dropwise, and the reaction was terminated by stirring at room temperature for 6 hours. After the reaction is completed, the reaction solution is decanted with water so that the temperature does not increase by 30 ° C. or more, liquid separation is performed with chloroform / water, and the solvent in the organic layer is distilled off to obtain the following phosphate ester. it can.
  • a phosphate ester compound is reacted with a copper salt to form a phosphate ester copper complex. Usually, it forms by stirring a phosphoric ester compound and a copper salt.
  • the phosphate ester compound essentially comprises a phosphate diester compound, but may be a mixture of a phosphate diester compound and a phosphate monoester compound.
  • the mixing ratio is, for example, the molar ratio of the compound represented by formula (1):
  • the molar ratio of the represented compound is preferably 0.2 to 0.8: 0.8 to 0.2, more preferably 0.3 to 0.7: 0.7 to 0.3, and 0.4 to 0.
  • phosphonic acids such as phosmer M, phosmer PE, phosmer PP (made by Unichemical Co., Ltd.), as a commercial item, for example.
  • the copper salt used here is preferably divalent or trivalent copper, more preferably divalent copper.
  • Copper salts include copper acetate, copper chloride, copper formate, copper stearate, copper benzoate, copper ethyl acetoacetate, copper pyrophosphate, copper naphthenate, copper citrate, copper nitrate, copper sulfate, copper carbonate, copper chlorate
  • Copper (meth) acrylate is more preferable, copper benzoate and copper (meth) acrylate are more preferable.
  • the near-infrared absorber of the present invention can be preferably used by blending it with a near-infrared absorbing composition for forming an infrared cut layer.
  • blending with an infrared absorptive composition only 1 type of the near-infrared absorbers of this invention may be mix
  • the compounding amount of the phosphate ester copper complex in the near-infrared absorbing composition is contained in the near-infrared absorbing composition in a proportion of 10 to 80% by mass, preferably 15 to 70% by mass, more preferably. 20 to 50% by mass is contained.
  • the blending amount of the phosphoric ester copper complex is 35 to 90% by mass, preferably 40 to 90% by mass, more preferably 45 to 90% by mass with respect to the solid content of the near-infrared absorbing composition. Contains 87% by mass.
  • the near-infrared absorbing composition of the present invention (hereinafter sometimes referred to as “the composition of the present invention”) will be described.
  • the composition of the present invention may contain components such as a curable compound, a polymerization initiator, a solvent, and a surfactant in addition to the near infrared absorber.
  • these components will be described.
  • the composition of the present invention usually contains a curable compound. However, this is not always necessary when the copper complex itself is an isocurable compound having a polymerizable group.
  • the curable compound may be a polymerizable compound or a non-polymerizable compound such as a binder. Moreover, a thermosetting compound may be sufficient and a photocurable compound may be sufficient.
  • the composition of the present invention preferably contains a compound having a polymerizable group (hereinafter sometimes referred to as “polymerizable compound”).
  • a compound group is widely known in the industrial field, and these can be used without particular limitation in the present invention.
  • These may be any of chemical forms such as a monomer, an oligomer, a prepolymer, and a polymer.
  • the polymerizable compound may be monofunctional or polyfunctional, but is preferably polyfunctional. By including a polyfunctional compound, the near-infrared shielding property and heat resistance can be further improved.
  • the number of functional groups is not particularly defined, but 2 to 8 functional groups are preferable.
  • a polymerizable compound is a monomer having a polymerizable group (polymerizable monomer) or an oligomer having a polymerizable group (polymerizable oligomer) (hereinafter, polymerizable with a polymerizable monomer).
  • the polymerizable oligomers may be collectively referred to as “polymerizable monomers”.
  • polymerizable monomer examples include unsaturated carboxylic acids (for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid, maleic acid, etc.), esters thereof, and amides. These are esters of saturated carboxylic acids and aliphatic polyhydric alcohol compounds, and amides of unsaturated carboxylic acids and aliphatic polyvalent amine compounds. Also, addition reaction products of monofunctional or polyfunctional isocyanates or epoxies with unsaturated carboxylic acid esters or amides having a nucleophilic substituent such as hydroxyl group, amino group, mercapto group, monofunctional or polyfunctional.
  • unsaturated carboxylic acids for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid, maleic acid, etc.
  • esters thereof examples include esters thereof, and amides. These are esters of saturated carboxylic acids and aliphatic polyhydric
  • a dehydration condensation reaction product with a functional carboxylic acid is also preferably used.
  • an addition reaction product of an unsaturated carboxylic acid ester or amide having an electrophilic substituent such as an isocyanate group or an epoxy group with a monofunctional or polyfunctional alcohol, amine or thiol, and further a halogen group A substitution reaction product of an unsaturated carboxylic acid ester or amide having a detachable substituent such as a tosyloxy group and a monofunctional or polyfunctional alcohol, amine or thiol is also suitable.
  • the polymerizable monomer or the like is also preferably a compound having at least one addition-polymerizable ethylene group and having an ethylenically unsaturated group having a boiling point of 100 ° C. or higher under normal pressure.
  • Examples include monofunctional acrylates and methacrylates such as polyethylene glycol mono (meth) acrylate, polypropylene glycol mono (meth) acrylate, and phenoxyethyl (meth) acrylate; polyethylene glycol di (meth) acrylate, trimethylolethanetri (Meth) acrylate, neopentyl glycol di (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, dipentaerythritol hexa (meth) acrylate, hexaned
  • a polyfunctional (meth) acrylate obtained by reacting a polyfunctional carboxylic acid with a compound having a cyclic ether group such as glycidyl (meth) acrylate and an ethylenically unsaturated group can also be used.
  • compounds having a fluorene ring and having two or more functional ethylenic groups described in JP 2010-160418 A, JP 2010-129825 A, JP 4364216 A, etc. Polymers can also be used.
  • JP-A-10-62986 compounds described in JP-A-10-62986 as general formulas (1) and (2) together with specific examples thereof are compounds that have been (meth) acrylated after addition of ethylene oxide or propylene oxide to the polyfunctional alcohol. Can be used as a polymerizable monomer.
  • the polymerizable monomer used in the present invention is preferably a polymerizable monomer represented by the following general formulas (MO-1) to (MO-6). (In the formula, each of n is 0 to 14, and m is 1 to 8. Each of R, T, and Z present in a molecule is the same or different. When T is an oxyalkylene group, the terminal on the carbon atom side is bonded to R. At least one of R is a polymerizable group.)
  • n is preferably 0 to 5, and more preferably 1 to 3.
  • m is preferably 1 to 5, and more preferably 1 to 3.
  • R is Is preferred, Is more preferable.
  • Specific examples of the radically polymerizable monomer represented by the above general formulas (MO-1) to (MO-6) include compounds described in paragraph numbers 0248 to 0251 of JP-A No. 2007-26979. Can also be suitably used in the present invention.
  • dipentaerythritol triacrylate (KAYARAD D-330 as a commercially available product; manufactured by Nippon Kayaku Co., Ltd.), dipentaerythritol tetraacrylate (as a commercially available product, KAYARAD D-320; Nippon Kayaku) Dipentaerythritol penta (meth) acrylate (manufactured by Co., Ltd.) (as a commercial product, KAYARAD D-310; manufactured by Nippon Kayaku Co., Ltd.), dipentaerythritol hexa (meth) acrylate (as a commercial product, KAYARAD DPHA; Nippon Kayaku Co., Ltd.) Company), and the structure in which these (meth) acryloyl groups are mediated by ethylene glycol and propylene glycol residues, diglycerin EO (ethylene oxide) modified (meth) acrylate (
  • the polymerizable monomer is a polyfunctional monomer and may have an acid group such as a carboxyl group, a sulfonic acid group, or a phosphoric acid group. Therefore, if the ethylenic compound has an unreacted carboxyl group as in the case of a mixture as described above, this can be used as it is.
  • the acid group may be introduced by reacting the group with a non-aromatic carboxylic acid anhydride.
  • non-aromatic carboxylic acid anhydride examples include tetrahydrophthalic anhydride, alkylated tetrahydrophthalic anhydride, hexahydrophthalic anhydride, alkylated hexahydrophthalic anhydride, succinic anhydride, anhydrous Maleic acid is mentioned.
  • the monomer having an acid group is an ester of an aliphatic polyhydroxy compound and an unsaturated carboxylic acid, and a non-aromatic carboxylic acid anhydride is reacted with an unreacted hydroxyl group of the aliphatic polyhydroxy compound.
  • a polyfunctional monomer having an acid group is preferable, and in this ester, the aliphatic polyhydroxy compound is pentaerythritol and / or dipentaerythritol.
  • Examples of commercially available products include Aronix series M-305, M-510, and M-520 as polybasic acid-modified acrylic oligomers manufactured by Toagosei Co., Ltd.
  • a preferable acid value of the polyfunctional monomer having an acid group is 0.1 to 40 mg-KOH / g, and particularly preferably 5 to 30 mg-KOH / g.
  • it is essential that the acid value of the entire polyfunctional monomer is within the above range. It is.
  • the polyfunctional monomer which has a caprolactone modified structure is not particularly limited as long as it has a caprolactone-modified structure in the molecule.
  • trimethylolethane, ditrimethylolethane, trimethylolpropane, ditrimethylolpropane Obtained by esterifying polyhydric alcohols such as pentaerythritol, dipentaerythritol, tripentaerythritol, glycerin, diglycerol, trimethylolmelamine, (meth) acrylic acid and ⁇ -caprolactone, Mention may be made of functional (meth) acrylates. Among these, a polyfunctional monomer having a caprolactone-modified structure represented by the following formula (1) is preferable.
  • R 1 represents a hydrogen atom or a methyl group
  • m represents a number of 1 or 2
  • “*” represents a bond.
  • R 1 represents a hydrogen atom or a methyl group, and “*” represents a bond.
  • the polyfunctional monomer which has a caprolactone modified structure can be used individually or in mixture of 2 or more types.
  • polymerizable monomer or the like in the present invention is preferably at least one selected from the group of compounds represented by the following general formula (i) or (ii).
  • each E independently represents — ((CH 2 ) yCH 2 O) — or — ((CH 2 ) y CH (CH 3 ) O) —,
  • Each y independently represents an integer of 0 to 10
  • each X independently represents an acryloyl group, a methacryloyl group, a hydrogen atom, or a carboxyl group.
  • the total number of acryloyl groups and methacryloyl groups is 3 or 4
  • each m independently represents an integer of 0 to 10
  • the total of each m is an integer of 0 to 40. However, when the total of each m is 0, any one of X is a carboxyl group.
  • the total number of acryloyl groups and methacryloyl groups is 5 or 6, each n independently represents an integer of 0 to 10, and the total of each n is an integer of 0 to 60. However, when the total of each n is 0, any one of X is a carboxyl group.
  • m is preferably an integer of 0 to 6, and more preferably an integer of 0 to 4.
  • the total of each m is preferably an integer of 2 to 40, more preferably an integer of 2 to 16, and particularly preferably an integer of 4 to 8.
  • n is preferably an integer of 0 to 6, and more preferably an integer of 0 to 4.
  • the total of each n is preferably an integer of 3 to 60, more preferably an integer of 3 to 24, and particularly preferably an integer of 6 to 12.
  • — ((CH 2 ) y CH 2 O) — or — ((CH 2 ) y CH (CH 3 ) O) — in the general formula (i) or the general formula (ii) is a terminal on the oxygen atom side. Is preferred in which X is bonded to X.
  • the compounds represented by the general formula (i) or (ii) may be used alone or in combination of two or more.
  • a form in which all six Xs are acryloyl groups is preferable.
  • the compound represented by the above general formula (i) or (ii) is a ring-opening skeleton obtained by ring-opening addition reaction of ethylene oxide or propylene oxide with pentaerythritol or dipentaerythritol, which is a conventionally known process. And a step of reacting, for example, (meth) acryloyl chloride with the terminal hydroxyl group of the ring-opening skeleton to introduce a (meth) acryloyl group. Each step is a well-known step, and a person skilled in the art can easily synthesize a compound represented by the general formula (i) or (ii).
  • a pentaerythritol derivative and / or a dipentaerythritol derivative is more preferable.
  • Specific examples include compounds represented by the following formulas (a) to (f) (hereinafter also referred to as “exemplary compounds (a) to (f)”).
  • exemplary compounds (a), (f) b), (e) and (f) are preferred.
  • Examples of commercially available monomers such as polymerizable monomers represented by the general formulas (i) and (ii) include SR-494, a tetrafunctional acrylate having four ethyleneoxy chains manufactured by Sartomer, manufactured by Nippon Kayaku Co., Ltd. DPCA-60, which is a hexafunctional acrylate having six pentyleneoxy chains, and TPA-330, which is a trifunctional acrylate having three isobutyleneoxy chains.
  • Examples of the polymerizable monomer include urethane acrylates described in JP-B-48-41708, JP-A-51-37193, JP-B-2-32293, JP-B-2-16765, and the like. Urethane compounds having an ethylene oxide skeleton described in JP-B-58-49860, JP-B-56-17654, JP-B-62-39417, and JP-B-62-39418 are also suitable. Furthermore, as polymerizable monomers, addition polymerizable monomers having an amino structure or a sulfide structure in the molecule described in JP-A-63-277653, JP-A-63-260909, and JP-A-1-105238 are used.
  • urethane oligomers UAS-10, UAB-140 (manufactured by Sanyo Kokusaku Pulp Co., Ltd.), 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, T-600, AI-600 (manufactured by Kyoeisha) and the like.
  • a polyfunctional thiol compound having two or more mercapto (SH) groups in the same molecule is also suitable. Particularly preferred are those represented by the following general formula (I).
  • R 1 is an alkyl group
  • R 2 is an n-valent aliphatic group that may contain atoms other than carbon
  • R 0 is an alkyl group that is not H
  • n represents 2 to 4
  • polyfunctional thiol compound represented by the general formula (I) is specifically exemplified, 1,4-bis (3-mercaptobutyryloxy) butane [formula (II)] having the following structural formula: 1,3,5-tris (3-mercaptobutyloxyethyl) -1,3,5-triasian-2,4,6 (1H, 3H5H) -trione [formula (III)], and pentaerythritol tetrakis (3 -Mercaptobutyrate) [formula (IV)] and the like.
  • These polyfunctional thiols can be used alone or in combination.
  • a polymerizable monomer or oligomer having two or more epoxy groups or oxetanyl groups in the molecule as the polymerizable monomer. Specific examples of these will be described collectively in the column of the compound having an epoxy group or oxetanyl group described later.
  • the 2nd preferable aspect of the composition of this invention is an aspect containing the polymer which has a polymeric group in a side chain as a polymeric compound.
  • the polymerizable group include an ethylenically unsaturated double bond group, an epoxy group, and an oxetanyl group. The latter is described collectively in the column of the compound having an epoxy group or oxetanyl group described later.
  • the polymer having an ethylenically unsaturated bond in the side chain is a high polymer having at least one selected from functional groups represented by any one of the following general formulas (1) to (3) as an unsaturated double bond moiety. Molecular compounds are preferred.
  • R 1 to R 3 each independently represents a hydrogen atom or a monovalent organic group, and R 1 is preferably a hydrogen atom or an alkyl which may have a substituent.
  • a hydrogen atom and a methyl group are preferable because of high radical reactivity.
  • R 2 and R 3 are each independently a hydrogen atom, a halogen atom, an amino group, a carboxyl group, an alkoxycarbonyl group, a sulfo group, a nitro group, a cyano group, an optionally substituted alkyl group, or a substituted group.
  • An alkyl group which may have a substituent and an aryl group which may have a substituent are preferable because of high radical reactivity.
  • X represents an oxygen atom, a sulfur atom, or —N (R 12 ) —
  • R 12 represents a hydrogen atom or a monovalent organic group.
  • examples of R 12 include an alkyl group which may have a substituent. Among them, a hydrogen atom, a methyl group, an ethyl group, and an isopropyl group are preferable because of high radical reactivity.
  • examples of the substituent that can be introduced include an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an alkoxy group, an aryloxy group, a halogen atom, an amino group, an alkylamino group, an arylamino group, a carboxyl group, an alkoxycarbonyl group, A sulfo group, a nitro group, a cyano group, an amide group, an alkylsulfonyl group, an arylsulfonyl group and the like can be mentioned.
  • R 4 to R 8 each independently represents a hydrogen atom or a monovalent organic group, and R 4 to R 8 are preferably a hydrogen atom, a halogen atom, an amino group, or a dialkyl.
  • a hydrogen atom, a carboxyl group, an alkoxycarbonyl group, an alkyl group which may have a substituent are preferably a hydrogen
  • Y represents an oxygen atom, a sulfur atom, or —N (R 12 ) —.
  • R 12 has the same meaning as R 12 in general formula (1), and preferred examples are also the same.
  • R 9 is preferably a hydrogen atom or an alkyl group which may have a substituent.
  • a hydrogen atom or a methyl group has high radical reactivity.
  • R 10 and R 11 are each independently a hydrogen atom, a halogen atom, an amino group, a dialkylamino group, a carboxyl group, an alkoxycarbonyl group, a sulfo group, a nitro group, a cyano group, or an alkyl group which may have a substituent.
  • Z represents an oxygen atom, a sulfur atom, —N (R 13 ) —, or an optionally substituted phenylene group.
  • R 13 include an alkyl group which may have a substituent. Among them, a methyl group, an ethyl group, and an isopropyl group are preferable because of high radical reactivity.
  • the structural unit containing the functional group represented by the general formulas (1) to (3) is contained in an amount of 20 mol% to 95 mol in one molecule. It is preferable that it is a compound containing in less than%. More preferably, it is 25 to 90 mol%. More preferably, it is the range of 30 mol% or more and less than 85 mol%.
  • the synthesis of the polymer compound having a structural unit containing a group represented by the general formulas (1) to (3) is a synthesis method described in paragraphs [0027] to [0057] of JP-A No. 2003-262958. Can be done on the basis of Of these, the synthesis method 1) in the publication is preferred.
  • the polymer having an ethylenically unsaturated bond used in the present invention may further have an acid group.
  • the acid group in the present application has a dissociable group having a pKa of 14 or less.
  • a dissociable group having a pKa of 14 or less.
  • —COOH, —SO 3 H, —PO 3 H 2 , —OSO 3 H, —OPO 2 H 2, -PhOH, -SO 2 H, -SO 2 NH 2, -SO 2 NHCO -, - SO 2 NHSO 2 - and the like Of these, —COOH, —SO 3 H, and —PO 3 H 2 are preferable, and —COOH is more preferable.
  • the polymer containing an acid group and an ethylenically unsaturated bond in the side chain can be obtained, for example, by adding an ethylenically unsaturated group-containing epoxy compound to the carboxyl group of an alkali-soluble polymer having a carboxyl group.
  • a polymer having a carboxyl group 1) a polymer obtained by radical polymerization or ion polymerization of a monomer having a carboxyl group, and 2) radical or ion polymerization of a monomer having an acid anhydride to hydrolyze or half-esterify an acid anhydride unit. 3) Epoxy acrylate obtained by modifying an epoxy polymer with an unsaturated monocarboxylic acid and an acid anhydride.
  • vinyl polymers having a carboxyl group include (meth) acrylic acid, 2-succinoloyloxyethyl methacrylate, 2-malenoyloxyethyl methacrylate, and methacrylic acid 2 as monomers having a carboxyl group.
  • maleic anhydride is copolymerized with styrene, ⁇ -methylstyrene, etc., and the maleic anhydride unit part is half-esterified with monohydric alcohols such as methanol, ethanol, propanol, butanol, hydroxyethyl (meth) acrylate, or water. Also included are hydrolyzed polymers.
  • a polymer having a carboxyl group in particular, a (meth) acrylic acid (co) polymer containing (meth) acrylic acid is preferable, and specific examples of these copolymers include, for example, Methyl methacrylate / methacrylic acid copolymer described in JP-A-60-208748, Methyl methacrylate / methyl acrylate / methacrylic acid copolymer described in JP-A-60-214354, JP-A-5-36581 Benzyl methacrylate / methyl methacrylate / methacrylic acid / 2-ethylhexyl acrylate copolymer described in JP-A-5-333542, methyl methacrylate / n-butyl methacrylate / 2-ethylhexyl acrylate / methacrylic acid copolymer Polymer, styrene / methacrylic acid methyl ester described in JP-A
  • the polymer containing an acid group and a polymerizable group in the side chain in the present invention has an unsaturated double bond moiety as a structural unit represented by any one of the following general formulas (1-1) to (3-1).
  • a polymer compound having at least one selected is preferable.
  • a 1 , A 2 , and A 3 each independently represents an oxygen atom, a sulfur atom, or —N (R 21 ) —, and R 21 Represents an alkyl group which may have a substituent.
  • G 1 , G 2 , and G 3 each independently represent a divalent organic group.
  • X and Z each independently represent an oxygen atom, a sulfur atom, or —N (R 22 ) —, and R 22 represents an alkyl group which may have a substituent.
  • Y represents an oxygen atom, a sulfur atom, an optionally substituted phenylene group, or —N (R 23 ) —, and R 23 represents an optionally substituted alkyl group.
  • R 1 to R 20 each independently represents a monovalent substituent.
  • R 1 to R 3 each independently represents a monovalent substituent, and examples thereof include a hydrogen atom and an alkyl group which may further have a substituent.
  • R 1 and R 2 are preferably a hydrogen atom, and R 3 is preferably a hydrogen atom or a methyl group.
  • R 4 to R 6 each independently represents a monovalent substituent, and examples of R 4 include a hydrogen atom or an alkyl group which may further have a substituent, among which a hydrogen atom, a methyl group An ethyl group is preferred.
  • R 5 and R 6 are each independently a hydrogen atom, a halogen atom, an alkoxycarbonyl group, a sulfo group, a nitro group, a cyano group, an alkyl group that may further have a substituent, or a substituent.
  • An arylsulfonyl group which may be substituted may be mentioned.
  • a hydrogen atom, an alkoxycarbonyl group, an alkyl group which may further have a substituent, and an aryl group which may further have a substituent are preferable.
  • substituent that can be introduced include a methoxycarbonyl group, an ethoxycarbonyl group, an isopropyloxycarbonyl group, a methyl group, an ethyl group, and a phenyl group.
  • a 1 represents an oxygen atom, a sulfur atom, or —N (R 21 ) —
  • X represents an oxygen atom, a sulfur atom, or —N (R 22 ) —
  • R 21 and R 22 include an alkyl group which may have a substituent.
  • G 1 represents a divalent organic group, but an alkylene group which may have a substituent is preferable. More preferably, it has an alkylene group which may have a substituent having 1 to 20 carbon atoms, a cycloalkylene group which may have a substituent having 3 to 20 carbon atoms, or a substituent which has 6 to 20 carbon atoms.
  • Aromatic groups may be mentioned.
  • An alkylene group and an aromatic group which may have a substituent having 6 to 12 carbon atoms are preferable in terms of performance such as strength and developability.
  • a hydroxyl group is preferable as a substituent in G 1 .
  • R 7 to R 9 each independently represents a monovalent substituent, and examples thereof include a hydrogen atom and an alkyl group which may further have a substituent.
  • R 7 and R 8 are preferably a hydrogen atom
  • R 9 is preferably a hydrogen atom or a methyl group.
  • R 10 to R 12 each independently represents a monovalent substituent. Specific examples of the substituent include a hydrogen atom, a halogen atom, a dialkylamino group, an alkoxycarbonyl group, a sulfo group, and a nitro group.
  • examples thereof include an oxy group, an alkylsulfonyl group that may further have a substituent, and an arylsulfonyl group that may further have a substituent.
  • a hydrogen atom, an alkoxycarbonyl group, and a substituent may be further included.
  • a good alkyl group and an aryl group which may further have a substituent are preferred.
  • examples of the substituent that can be introduced include those listed in the general formula (1-1).
  • a 2 independently represents an oxygen atom, a sulfur atom, or —N (R 21 ) —, wherein R 21 represents a hydrogen atom, an alkyl group which may have a substituent, or the like.
  • G 2 represents a divalent organic group, and an alkylene group which may have a substituent is preferable. Preferably, it has an alkylene group which may have a substituent having 1 to 20 carbon atoms, a cycloalkylene group which may have a substituent having 3 to 20 carbon atoms, or a substituent which has 6 to 20 carbon atoms.
  • Aromatic groups, etc. may be mentioned.
  • An aromatic group which may have a substituent having 6 to 12 carbon atoms is preferable in terms of performance such as strength and developability.
  • the substituent in G 2 is preferably a hydroxyl group.
  • Y represents an oxygen atom, a sulfur atom, —N (R 23 ) — or an optionally substituted phenylene group.
  • R 23 include a hydrogen atom and an alkyl group which may have a substituent.
  • R 13 to R 15 each independently represents a monovalent substituent, and examples thereof include a hydrogen atom and an alkyl group which may have a substituent.
  • 13 and R 14 are preferably hydrogen atoms, and R 15 is preferably a hydrogen atom or a methyl group.
  • R 16 to R 20 each independently represents a monovalent substituent.
  • R 16 to R 20 are, for example, a hydrogen atom, a halogen atom, a dialkylamino group, an alkoxycarbonyl group, a sulfo group, a nitro group, or a cyano group.
  • An alkyl group that may further have a substituent, an aryl group that may further have a substituent, an alkoxy group that may further have a substituent, an aryloxy group that may further have a substituent examples include an alkylsulfonyl group that may further have a substituent, an arylsulfonyl group that may further have a substituent, and the like. Among them, a hydrogen atom, an alkoxycarbonyl group, and an alkyl group that may further have a substituent An aryl group which may further have a substituent is preferable. Examples of the substituent that can be introduced include those listed in the general formula (1).
  • a 3 represents an oxygen atom, a sulfur atom, or —N (R 21 ) —
  • Z represents an oxygen atom, a sulfur atom, or —N (R 22 ) —.
  • R 21 and R 22 include the same as those in the general formula (1).
  • G 3 represents a divalent organic group, but an alkylene group which may have a substituent is preferable. Preferably, it has an alkylene group which may have a substituent having 1 to 20 carbon atoms, a cycloalkylene group which may have a substituent having 3 to 20 carbon atoms, or a substituent which has 6 to 20 carbon atoms. Aromatic groups, etc. may be mentioned. Among them, a linear or branched alkylene group having 1 to 10 carbon atoms which may have a substituent, or a cycloalkylene which may have a substituent having 3 to 10 carbon atoms. An aromatic group which may have a substituent having 6 to 12 carbon atoms is preferable in terms of performance such as strength and developability.
  • the substituent in G 3 is preferably a hydroxyl group.
  • Preferred examples of the structural unit having an ethylenically unsaturated bond and an acid group include the following polymer compounds 1 to 17.
  • the polymer having an acid group and an ethylenically unsaturated bond in the side chain in the present invention preferably has an acid value in the range of 20 to 300, preferably 40 to 200, more preferably 60 to 150.
  • the polymer having a polymerizable group in the side chain used in the present invention is also preferably a polymer having an ethylenically unsaturated bond and a urethane group in the side chain (hereinafter sometimes referred to as “urethane polymer”).
  • the urethane polymer has a structural unit represented by a reaction product of at least one diisocyanate compound represented by the following general formula (4) and at least one diol compound represented by the general formula (5).
  • a polyurethane polymer having a basic skeleton hereinafter referred to as “specific polyurethane polymer” as appropriate).
  • X 0 and Y 0 each independently represent a divalent organic residue.
  • At least one of the diisocyanate compound represented by the general formula (4) and the diol compound represented by the general formula (5) is represented by the general formulas (1) to (3) in which the unsaturated double bond portion is represented. ) Group represented by the above general formulas (1) to (3) as a reaction product of the diisocyanate compound and the diol compound.
  • a specific polyurethane polymer in which is introduced is produced. According to this method, the specific polyurethane polymer according to the present invention can be produced more easily than the substitution and introduction of a desired side chain after the reaction of the polyurethane polymer.
  • Diisocyanate compound represented by the general formula (4) is obtained by, for example, subjecting a triisocyanate compound to 1 equivalent of a monofunctional alcohol or monofunctional amine compound having an unsaturated group. There are products that are produced. Examples of the triisocyanate compound include those shown below, but are not limited thereto.
  • Examples of the monofunctional alcohol or monofunctional amine compound having an unsaturated group include those shown below, but are not limited thereto.
  • a method for introducing an unsaturated group into the side chain of the polyurethane polymer a method using a diisocyanate compound containing an unsaturated group in the side chain as a raw material for producing the polyurethane polymer is suitable.
  • the diisocyanate compound obtained by addition reaction of a triisocyanate compound and a monofunctional alcohol having an unsaturated group or 1 equivalent of a monofunctional amine compound having an unsaturated group in the side chain include, for example, Although the following are mentioned, it is not limited to this.
  • the specific polyurethane polymer used in the present invention includes, for example, the above-mentioned diisocyanate compound containing an unsaturated group from the viewpoint of improving compatibility with other components in the polymerizable composition and improving storage stability.
  • diisocyanate compounds can be copolymerized.
  • diisocyanate compound to be copolymerized examples include the following.
  • Preferred is a diisocyanate compound represented by the following general formula (6).
  • L 1 represents a divalent aliphatic or aromatic hydrocarbon group which may have a substituent. If necessary, L 1 may have another functional group that does not react with an isocyanate group, such as an ester, urethane, amide, or ureido group.
  • diisocyanate compound represented by the general formula (6) examples include those shown below. 2,4-tolylene diisocyanate, 2,4-tolylene diisocyanate dimer, 2,6-tolylene diisocyanate, p-xylylene diisocyanate, m-xylylene diisocyanate, 4,4'-diphenylmethane diisocyanate Aromatic diisocyanate compounds such as 1,5-naphthylene diisocyanate, 3,3′-dimethylbiphenyl-4,4′-diisocyanate; Aliphatic diisocyanate compounds such as hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, lysine diisocyanate, dimer acid diisocyanate and the like; Alicyclic diisocyanate compounds such as isophorone diisocyanate, 4,4′-methylenebis (cyclohexyl isocyanate), methylcyclohexane
  • Diol Compound As the diol compound represented by the general formula (5), a polyether diol compound, a polyester diol compound, a polycarbonate diol compound, and the like are widely used.
  • a method for introducing an unsaturated group into the side chain of the polyurethane polymer in addition to the above-described method, a method using a diol compound containing an unsaturated group in the side chain as a raw material for producing the polyurethane polymer is also suitable.
  • a diol compound may be a commercially available one such as trimethylolpropane monoallyl ether, a halogenated diol compound, a triol compound, an aminodiol compound, a carboxylic acid containing an unsaturated group, and an acid. It may be a compound that is easily produced by a reaction with a chloride, isocyanate, alcohol, amine, thiol, or alkyl halide compound. Specific examples of these compounds include, but are not limited to, the compounds shown below.
  • a polyurethane obtained by using a diol compound represented by the following general formula (G) as at least one diol compound having an ethylenically unsaturated bond group in the synthesis of polyurethane You can list trees.
  • R 1 to R 3 each independently represents a hydrogen atom or a monovalent organic group
  • A represents a divalent organic residue
  • X represents an oxygen atom, a sulfur atom, or — N (R 12 ) — is represented
  • R 12 represents a hydrogen atom or a monovalent organic group.
  • R 1 ⁇ R 3 and X in the general formula (G) said a general formula (1) the same meaning as R 1 ⁇ R 3 and X in preferred embodiments versa.
  • the coating strength of the layer can be improved by suppressing the excessive molecular motion of the polymer main chain caused by the secondary alcohol having a large steric hindrance. It is done.
  • the diol compound represented by the general formula (G) which are suitably used for the synthesis of the specific polyurethane polymer will be shown.
  • the specific polyurethane polymer used in the present invention is, for example, the above-mentioned diol compound containing an unsaturated group from the viewpoint of improving compatibility with other components in the polymerizable composition and improving storage stability.
  • Diol compounds other than can be copolymerized examples include the polyether diol compounds, polyester diol compounds, and polycarbonate diol compounds described above.
  • polyether diol compound examples include compounds represented by the following formulas (7), (8), (9), (10), and (11), and random copolymerization of ethylene oxide and propylene oxide having a hydroxyl group at the terminal. Coalescence is mentioned.
  • R 14 represents a hydrogen atom or a methyl group
  • X 1 represents the following group.
  • A, b, c, d, e, f, and g each represents an integer of 2 or more, preferably an integer of 2 to 100.
  • polyether diol compound represented by the above formulas (7) and (8) include the following. That is, diethylene glycol, triethylene glycol, tetraethylene glycol, pentaethylene glycol, hexaethylene glycol, heptaethylene glycol, octaethylene glycol, di-1,2-propylene glycol, tri-1,2-propylene glycol, tetra-1, 2-propylene glycol, hexa-1,2-propylene glycol, di-1,3-propylene glycol, tri-1,3-propylene glycol, tetra-1,3-propylene glycol, di-1,3-butylene glycol, Tri-1,3-butylene glycol, hexa-1,3-butylene glycol, polyethylene glycol with a weight average molecular weight of 1000, polyethylene glycol with a weight average molecular weight of 1500, poly with a weight average molecular weight of 2000 Tylene glycol, polyethylene glycol with a weight average mo
  • polyether diol compound represented by the formula (9) examples include those shown below. That is, Sanyo Chemical Industries, Ltd. (trade name) PTMG650, PTMG1000, PTMG2000, PTMG3000, and the like.
  • polyether diol compound represented by the formula (10) examples include those shown below. That is, Sanyo Chemical Industries, Ltd. (trade name) New Pole PE-61, New Pole PE-62, New Pole PE-64, New Pole PE-68, New Pole PE-71, New Pole PE-74, New Pole PE-75, New Pole PE-78, New Pole PE-108, New Pole PE-128, New Pole PE-61, and the like.
  • polyether diol compound represented by the formula (11) examples include those shown below. That is, Sanyo Chemical Industries, Ltd. (trade name) New Pole BPE-20, New Pole BPE-20F, New Pole BPE-20NK, New Pole BPE-20T, New Pole BPE-20G, New Pole BPE-40, New Pole BPE-60, New Pole BPE-100, New Pole BPE-180, New Pole BPE-2P, New Pole BPE-23P, New Pole BPE-3P, New Pole BPE-5P, etc.
  • Random copolymer of ethylene oxide and propylene oxide having a hydroxyl group at the terminal include the following. That is, Sanyo Chemical Industries, Ltd. (trade name) New Pole 50HB-100, New Pole 50HB-260, New Pole 50HB-400, New Pole 50HB-660, New Pole 50HB-2000, New Pole 50HB-5100, etc. It is.
  • polyester diol compound examples include compounds represented by formulas (12) and (13).
  • L 2 , L 3 and L 4 may be the same or different and each represents a divalent aliphatic or aromatic hydrocarbon group, and L 5 represents a divalent aliphatic carbonization.
  • L 2 to L 4 each represent an alkylene group, an alkenylene group, an alkynylene group, or an arylene group, and L 5 represents an alkylene group.
  • other functional groups that do not react with the isocyanate group such as ether, carbonyl, ester, cyano, olefin, urethane, amide, ureido group, or halogen atom may be present.
  • n1 and n2 are each an integer of 2 or more, preferably an integer of 2 to 100.
  • the polycarbonate diol compound there is a compound represented by the formula (14).
  • L 6 may be the same or different and each represents a divalent aliphatic or aromatic hydrocarbon group.
  • L 6 represents an alkylene group, an alkenylene group, an alkynylene group or an arylene group.
  • other functional groups that do not react with the isocyanate group such as ether, carbonyl, ester, cyano, olefin, urethane, amide, ureido group or halogen atom may be present in L 6 .
  • n3 is an integer of 2 or more, and preferably represents an integer of 2 to 100.
  • diol compound represented by the above formula (12), (13) or (14) include (Exemplary Compound No. 1) to (Exemplary Compound No. 18) shown below.
  • N in the specific examples represents an integer of 2 or more.
  • a diol compound having a substituent that does not react with an isocyanate group can be used in combination for the synthesis of the specific polyurethane polymer.
  • Examples of such diol compounds include those shown below.
  • L 7 and L 8 may be the same or different, and each may have a substituent (for example, an alkyl group, an aralkyl group, an aryl group, an alkoxy group, an aryloxy group, —F, — And a divalent aliphatic hydrocarbon group, aromatic hydrocarbon group or heterocyclic group which may have a halogen atom such as Cl, -Br, -I, etc.). If necessary, L 7 and L 8 may have another functional group that does not react with an isocyanate group, such as a carbonyl group, an ester group, a urethane group, an amide group, or a ureido group. Note that L 7 and L 8 may form a ring.
  • a substituent for example, an alkyl group, an aralkyl group, an aryl group, an alkoxy group, an aryloxy group, —F, — And a divalent aliphatic hydrocarbon group, aromatic hydrocarbon group or hetero
  • a diol compound having a carboxyl group can be used in combination with the diol compound.
  • diol compounds include those represented by the following formulas (17) to (19).
  • R 15 represents a hydrogen atom, a substituent (for example, a cyano group, a nitro group, a halogen atom such as —F, —Cl, —Br, —I, etc.), —CONH 2 , —COOR 16 , —OR 16 , —NHCONHR 16 , —NHCOOR 16 , —NHCOR 16 , —OCONHR 16 (wherein R 16 represents an alkyl group having 1 to 10 carbon atoms and an aralkyl group having 7 to 15 carbon atoms).
  • a substituent for example, a cyano group, a nitro group, a halogen atom such as —F, —Cl, —Br, —I, etc.
  • R 16 represents an alkyl group having 1 to 10 carbon atoms and an aralkyl group having 7 to 15 carbon atoms.
  • An alkyl group, an aralkyl group, an aryl group, an alkoxy group, and an aryloxy group which may have a group, preferably a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and 6 to 6 carbon atoms.
  • L 9 , L 10 and L 11 may be the same or different from each other, and may have a single bond or a substituent (for example, alkyl, aralkyl, aryl, alkoxy and halogeno groups are preferred).
  • L 9 to L 11 may have other functional groups that do not react with isocyanate groups, such as carbonyl, ester, urethane, amide, ureido, and ether groups.
  • a ring may be formed by 2 or 3 of R 15 , L 7 , L 8 and L 9 .
  • Ar represents a trivalent aromatic hydrocarbon group which may have a substituent, and preferably represents an aromatic group having 6 to 15 carbon atoms.
  • diol compound having a carboxyl group represented by the above formulas (17) to (19) include those shown below. 3,5-dihydroxybenzoic acid, 2,2-bis (hydroxymethyl) propionic acid, 2,2-bis (2-hydroxyethyl) propionic acid, 2,2-bis (3-hydroxypropyl) propionic acid, Bis (hydroxymethyl) acetic acid, bis (4-hydroxyphenyl) acetic acid, 2,2-bis (hydroxymethyl) butyric acid, 4,4-bis (4-hydroxyphenyl) pentanoic acid, tartaric acid, N, N-dihydroxyethylglycine N, N-bis (2-hydroxyethyl) -3-carboxy-propionamide and the like.
  • the polyurethane polymer having an ethylenically unsaturated bond group in the side chain is a polymer further having a carboxyl group in the side chain, and more specifically, an ethylenically unsaturated bond group in the side chain.
  • a polyurethane polymer having 0.3 meq / g or more and having a carboxyl group in the side chain of 0.4 meq / g or more is particularly preferably used as the binder polymer of the present invention.
  • a compound obtained by ring-opening a tetracarboxylic dianhydride represented by the following formulas (20) to (22) with a diol compound may be used in combination with the synthesis of the specific polyurethane polymer. it can.
  • L 12 may have a single bond or a substituent (eg, alkyl, aralkyl, aryl, alkoxy, halogeno, ester, amide groups are preferred).
  • a substituent eg, alkyl, aralkyl, aryl, alkoxy, halogeno, ester, amide groups are preferred.
  • R 17 and R 18 may be the same or different and each represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group, an alkoxy group or a halogeno group, preferably a hydrogen atom or an alkyl having 1 to 8 carbon atoms. Group, an aryl group having 6 to 15 carbon atoms, an alkoxy group having 1 to 8 carbon atoms or a halogeno group. Two of L 12 , R 17 and R 18 may be bonded to form a ring.
  • R 19 and R 20 may be the same or different and each represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or a halogeno group, preferably a hydrogen atom, an alkyl having 1 to 8 carbon atoms, or a carbon number of 6 Represents ⁇ 15 aryl groups.
  • Two of L 12 , R 19 and R 20 may be bonded to form a ring.
  • L 13 and L 14 may be the same or different and each represents a single bond, a double bond, or a divalent aliphatic hydrocarbon group, and preferably represents a single bond, a double bond, or a methylene group.
  • A represents a mononuclear or polynuclear aromatic ring. Preferably, it represents an aromatic ring having 6 to 18 carbon atoms.
  • Specific examples of the compound represented by the above formula (20), (21) or (22) include those shown below. That is, pyromellitic dianhydride, 3,3 ′, 4,4′-benzophenone tetracarboxylic dianhydride, 3,3 ′, 4,4′-diphenyltetracarboxylic dianhydride, 2,3,6 , 7-Naphthalenetetracarboxylic dianhydride, 1,4,5,8-naphthalenetetracarboxylic dianhydride, 4,4′-sulfonyldiphthalic dianhydride, 2,2-bis (3,4 Dicarboxyphenyl) propane dianhydride, bis (3,4-dicarboxyphenyl) ether dianhydride, 4,4 ′-[3,3 ′-(alkylphosphoryldiphenylene) -bis (iminocarbonyl)] diphthalic acid Dianhydride,
  • Aromatic tetracarboxylic dianhydrides such as adducts of hydroquinone diacetate and trimetic anhydride, diacetyldiamine and trimetic anhydride; 5- (2,5-dioxotetrahydrofuryl) -3-methyl- 3-cyclohexsi-1,2-dicarboxylic acid anhydride (Dainippon Ink Chemical Co., Ltd., Epicron B-4400), 1,2,3,4-cyclopentanetetracarboxylic dianhydride, 1,2 Alicyclic tetracarboxylic dianhydrides such as 1,4,5-cyclohexanetetracarboxylic dianhydride, tetrahydrofuran tetracarboxylic dianhydride, 1,2,3,4-butanetetracarboxylic dianhydride, 1, Aliphatic tetracarboxylic dianhydrides such as 2,4,5-pentanetetracarboxylic dianhydride.
  • Examples of a method for introducing a compound obtained by ring-opening these tetracarboxylic dianhydrides with a diol compound into a polyurethane polymer include the following methods. a) A method of reacting an alcohol-terminated compound obtained by ring-opening tetracarboxylic dianhydride with a diol compound and a diisocyanate compound. b) A method of reacting an alcohol-terminated urethane compound obtained by reacting a diisocyanate compound under an excess of a diol compound with tetracarboxylic dianhydride.
  • diol compound used for the ring-opening reaction examples include those shown below. That is, ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, polyethylene glycol, polypropylene glycol, neopentyl glycol, 1,3-butylene glycol, 1,6-hexanediol, 2-butene- 1,4-diol, 2,2,4-trimethyl-1,3-pentanediol, 1,4-bis- ⁇ -hydroxyethoxycyclohexane, cyclohexanedimethanol, tricyclodecane dimethanol, hydrogenated bisphenol A, hydrogenated Bisphenol F, bisphenol A ethylene oxide adduct, bisphenol A propylene oxide adduct, bisphenol F ethylene oxide adduct, bisphenol F pro Renoxide adduct, hydrogenated bisphenol A ethylene oxide adduct, hydrogenated bisphenol A propylene oxide
  • the specific polyurethane polymer that can be used in the present invention is synthesized by adding the above-mentioned diisocyanate compound and diol compound to an aprotic solvent by adding a known catalyst having an activity corresponding to each reactivity and heating.
  • the molar ratio (M a : M b ) of the diisocyanate and diol compound used in the synthesis is preferably 1: 1 to 1.2: 1, and the molecular weight or viscosity is desired by treatment with alcohols or amines.
  • the product having the physical properties is finally synthesized in a form in which no isocyanate group remains.
  • the amount of ethylenically unsaturated bonds introduced in the specific polyurethane polymer according to the present invention is, in terms of equivalents, 0.3 meq / g or more, more preferably 0.35 to It is preferable to contain 1.50 meq / g.
  • the molecular weight of the specific polyurethane polymer according to the present invention is preferably 10,000 or more in terms of weight average molecular weight, and more preferably in the range of 40,000 to 200,000.
  • styrene polymer having an ethylenically unsaturated bond in the side chain
  • styrene polymer a styrene polymer having an ethylenically unsaturated bond in the side chain
  • styrene polymer a styrenic double bond (styrene) represented by the following general formula (23): And ⁇ -methylstyrene-based double bond) and those having at least one of vinylpyridinium groups represented by the following general formula (24) are more preferable.
  • R 21 represents a hydrogen atom or a methyl group.
  • R 22 represents any substitutable atom or atomic group.
  • k represents an integer of 0 to 4.
  • the styrenic double bond represented by the general formula (23) is connected to the polymer main chain through a single bond or a connecting group consisting of an arbitrary atom or atomic group, and the way of bonding is particularly There is no limit.
  • the preferable example is shown as a repeating unit of the high molecular compound which has a functional group represented by General formula (23) below, this invention is not limited to these examples.
  • R 23 represents a hydrogen atom or a methyl group.
  • R 24 represents any substitutable atom or atomic group.
  • m represents an integer of 0 to 4.
  • a ⁇ represents an anion.
  • the pyridinium ring may take the form of benzopyridinium fused with a benzene ring as a substituent, and in this case includes a quinolium group and an isoquinolium group.
  • the vinylpyridinium group represented by the general formula (24) is connected to the polymer main chain through a single bond or a connecting group consisting of an arbitrary atom or atomic group, and there is no particular limitation on the way of bonding. Absent. Although the preferable example is shown below as a repeating unit of the high molecular compound which has a functional group represented by General formula (24) below, this invention is not limited to these examples.
  • One of the methods for synthesizing the styrenic polymer is a monomer having a functional group represented by the general formula (23) or (24) and having a functional group copolymerizable with another copolymer component.
  • the method of copolymerizing each other using a well-known copolymerization method is mentioned.
  • the styrenic polymer may be a homopolymer having only one of the functional groups represented by the general formulas (23) and (24), or either one or A copolymer having two or more types of both functional groups may be used.
  • a copolymer with other copolymerization monomers not containing these functional groups may be a copolymer with other copolymerization monomers not containing these functional groups.
  • a carboxy group-containing monomer for the purpose of, for example, imparting solubility to an aqueous alkaline solution to the polymer, such as acrylic acid, methacrylic acid, acrylic acid 2-carboxyethyl ester.
  • examples include 2-carboxyethyl methacrylate, crotonic acid, maleic acid, fumaric acid, maleic acid monoalkyl ester, fumaric acid monoalkyl ester, 4-carboxystyrene and the like.
  • monomers that can be incorporated into the copolymer include styrene, 4-methylstyrene, 4-hydroxystyrene, 4-acetoxystyrene, 4-carboxystyrene, 4-aminostyrene, chloromethylstyrene, and 4-methoxystyrene.
  • Styrene derivatives such as, vinylphosphonic acid, vinylsulfonic acid and salts thereof, styrenesulfonic acid and salts thereof, 4-vinylpyridine, 2-vinylpyridine, N-vinylimidazole, N-vinylcarbazole, 4-vinylbenzyltrimethylammonium chloride Quaternized product of N-vinylimidazole with methyl chloride, 4-vinylbenzylpyridinium chloride, acrylonitrile, methacrylonitrile, phenylmaleimide, hydroxyphenylmaleimide, vinyl acetate, Vinyl esters such as vinyl acetate, vinyl propionate, vinyl butyrate, vinyl stearate, vinyl benzoate, vinyl ethers such as methyl vinyl ether, butyl vinyl ether, N-vinylpyrrolidone, acryloylmorpholine, vinyl chloride, vinylidene chloride, allyl alcohol Various monomers such as vinyltrimethoxy
  • the proportion of the repeating unit having the functional group represented by the general formula (23) and / or the general formula (24) in the entire copolymer composition Is preferably 20% by mass or more, and more preferably 40% by mass or more. Within this range, the effect of the present invention is excellent and a highly sensitive crosslinking system is provided.
  • the molecular weight of the styrenic polymer is preferably in the range of 10,000 to 300,000, more preferably in the range of 15,000 to 200,000, and most preferably in the range of 20,000 to 150,000.
  • novolak polymers having an ethylenically unsaturated bond in the side chain for example, the polymers described in JP-A-9-269596
  • examples thereof include a polymer in which an ethylenically unsaturated bond is introduced into a side chain using the method described in Japanese Patent No. 62648.
  • examples of the acetal polymer having an ethylenically unsaturated bond in the side chain include polymers described in JP-A No. 2002-162741.
  • the polyamide-based polymer having an ethylenically unsaturated bond in the side chain for example, the polymer described in Japanese Patent Application No.
  • JP-A-2002-62648 examples thereof include a polymer having an ethylenically unsaturated bond introduced into the side chain by the described method.
  • examples of the polyimide polymer having an ethylenically unsaturated bond in the side chain include, for example, a polymer described in Japanese Patent Application No. 2003-339785, or a polyimide polymer cited therein, and a method described in JP-A-2002-62648. And polymers having an ethylenically unsaturated bond introduced in the side chain.
  • the 3rd preferable aspect of this invention is an aspect containing the compound which has an epoxy group or an oxetanyl group as a polymeric compound.
  • the compound having an epoxy group or oxetanyl group include a polymer having an epoxy group in the side chain, and a polymerizable monomer or oligomer having two or more epoxy groups in the molecule, and a bisphenol A type epoxy resin, Bisphenol F type epoxy resin, phenol novolac type epoxy resin, cresol novolac type epoxy resin, aliphatic epoxy resin and the like can be mentioned. These compounds may be used as commercial products or can be obtained by introducing an epoxy group into the side chain of the polymer.
  • bisphenol A type epoxy resin JER827, JER828, JER834, JER1001, JER1002, JER1003, JER1055, JER1007, JER1009, JER1010 (above, Japan Epoxy Resin Co., Ltd.), EPICLON860, EPICLON1050, EPICLON1051, EPICLON1055 (manufactured by DIC Corporation), etc.
  • bisphenol F type epoxy resin is JER806, JER807, JER4004, JER4005, JER4007, JER4010 (above, Japan Epoxy Resin Co., Ltd.), EPICLON830, EPICLON835.
  • ADEKA RESIN EP-4000S, EP-4003S, EP-4010S, EP-4010S, EP-4011S (above, manufactured by ADEKA Corporation), NC-2000, NC-3000, NC-7300, XD-1000, EPPN-501, EPPN-502 (above, manufactured by ADEKA Corporation), JER1031S (manufactured by Japan Epoxy Resin Co., Ltd.) and the like.
  • polymer having an oxetanyl group in the side chain and the polymerizable monomer or oligomer having two or more oxetanyl groups in the molecule include Aronoxetane OXT-121, OXT-221, OX-SQ, PNOX ( As described above, Toagosei Co., Ltd.) can be used.
  • the introduction reaction includes tertiary amines such as triethylamine and benzylmethylamine, quaternary ammonium salts such as dodecyltrimethylammonium chloride, tetramethylammonium chloride, tetraethylammonium chloride, pyridine,
  • the reaction can be carried out in an organic solvent at a reaction temperature of 50 to 150 ° C. for several to several tens of hours using triphenylphosphine as a catalyst.
  • the amount of the alicyclic epoxy unsaturated compound introduced is preferably controlled so that the acid value of the obtained polymer is in a range satisfying 5 to 200 KOH ⁇ mg / g.
  • the molecular weight is preferably in the range of 500 to 5000000, more preferably 1000 to 500000 on a weight average.
  • the epoxy unsaturated compound those having a glycidyl group as an epoxy group such as glycidyl (meth) acrylate and allyl glycidyl ether can be used, but preferred are unsaturated compounds having an alicyclic epoxy group. Examples of such compounds include the following compounds.
  • the details of the use method such as the structure, single use or combined use, and addition amount of these polymerizable compounds can be arbitrarily set in accordance with the final performance design of the near-infrared absorbing composition.
  • a structure having a high unsaturated group content per molecule is preferable, and in many cases, a bifunctional or higher functionality is preferable.
  • those having three or more functionalities are preferable.
  • different functional numbers / different polymerizable groups for example, acrylic acid esters, methacrylic acid esters, styrene compounds, vinyl ether compounds).
  • a method of adjusting both sensitivity and intensity by using a combination of these materials is also effective.
  • selection and use of polymerizable compounds are important for compatibility and dispersibility with other components (eg, metal oxides, dyes, polymerization initiators) contained in the near-infrared absorbing composition.
  • the compatibility may be improved by using a low-purity compound or using two or more kinds in combination.
  • a specific structure may be selected from the viewpoint of improving adhesion to a hard surface such as a support.
  • the amount of the polymerizable compound added to the composition of the present invention is in the range of 1 to 80% by mass, more preferably 15 to 70% by mass, particularly preferably 20 to 60% by mass, based on the total solid content excluding the solvent. It is preferable to add. Only one type of polymerizable compound or two or more types may be used, and in the case of two or more types, the total amount falls within the above range.
  • a binder polymer can be further contained in addition to the polymerizable compound as necessary for the purpose of improving the film properties.
  • an alkali-soluble resin is preferably used as the binder polymer. By containing an alkali-soluble resin, there is an effect in improving heat resistance and fine adjustment of coating properness.
  • the alkali-soluble resin is a linear organic polymer, and promotes at least one alkali-solubility in a molecule (preferably a molecule having an acrylic copolymer or a styrene copolymer as a main chain). It can be suitably selected from alkali-soluble resins having a group. From the viewpoint of heat resistance, polyhydroxystyrene resins, polysiloxane resins, acrylic resins, acrylamide resins, and acryl / acrylamide copolymer resins are preferable. From the viewpoint of development control, acrylic resins and acrylamide resins are preferable. Resins and acrylic / acrylamide copolymer resins are preferred.
  • Examples of the group that promotes alkali solubility include a carboxyl group, a phosphoric acid group, a sulfonic acid group, and a phenolic hydroxyl group.
  • the group is soluble in an organic solvent and developed with a weak alkaline aqueous solution. Possible are preferable, and (meth) acrylic acid is particularly preferable.
  • These acid groups may be used alone or in combination of two or more.
  • Examples of the monomer capable of imparting an acid group after the polymerization include a monomer having a hydroxyl group such as 2-hydroxyethyl (meth) acrylate, a monomer having an epoxy group such as glycidyl (meth) acrylate, and 2-isocyanatoethyl (methacrylate). ) Monomers having an isocyanate group such as acrylate. These monomers for introducing an acid group may be only one type or two or more types.
  • a monomer having an acid group and / or a monomer capable of imparting an acid group after polymerization (hereinafter sometimes referred to as “monomer for introducing an acid group”) .) May be polymerized as a monomer component.
  • a treatment for imparting an acid group as described later is required after the polymerization.
  • a known radical polymerization method can be applied.
  • Polymerization conditions such as temperature, pressure, type and amount of radical initiator, type of solvent, etc. when producing an alkali-soluble resin by radical polymerization can be easily set by those skilled in the art, and experimental conditions are determined. It can also be done.
  • a polymer having a carboxylic acid in the side chain is preferable, such as a methacrylic acid copolymer, an acrylic acid copolymer, an itaconic acid copolymer, and a crotonic acid copolymer.
  • a copolymer of (meth) acrylic acid and another monomer copolymerizable therewith is suitable as the alkali-soluble resin.
  • examples of other monomers copolymerizable with (meth) acrylic acid include alkyl (meth) acrylates, aryl (meth) acrylates, and vinyl compounds.
  • alkyl (meth) acrylate and aryl (meth) acrylate methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, pentyl (meth) acrylate,
  • vinyl compounds such as hexyl (meth) acrylate, octyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate, tolyl (meth) acrylate, naphthyl (meth) acrylate, cyclohexyl (meth) acrylate, styrene, ⁇ -methylstyrene, vinyltoluene, glycidyl methacrylate, acrylonitrile, vinyl acetate, N-vinylpyrrolidone, tetrahydrofurfury
  • R 1 and R 2 each independently represents a hydrogen atom or a hydrocarbon group having 1 to 25 carbon atoms which may have a substituent
  • the polymer (a) obtained by polymerizing the monomer component essential to “ether dimer”) is contained as the essential polymer component (A).
  • the composition of this invention can form the cured coating film which was very excellent also in heat resistance and transparency.
  • the hydrocarbon group having 1 to 25 carbon atoms which may have a substituent represented by R 1 and R 2 is not particularly limited.
  • Linear or branched alkyl groups such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, t-amyl, stearyl, lauryl, 2-ethylhexyl; aryl groups such as phenyl; Alicyclic groups such as cyclohexyl, t-butylcyclohexyl, dicyclopentadienyl, tricyclodecanyl, isobornyl, adamantyl, 2-methyl-2-adamantyl; substituted with alkoxy such as 1-methoxyethyl, 1-ethoxyethyl An alkyl group substituted with an aryl group such as benzyl; and the like.
  • an acid such as methyl, ethyl, cyclohexyl, benzyl or the like, or a primary or secondary carbon substituent which is difficult to be
  • ether dimer examples include dimethyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate, diethyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate, (N-propyl) -2,2 ′-[oxybis (methylene)] bis-2-propenoate, di (isopropyl) -2,2 ′-[oxybis (methylene)] bis-2-propenoate, di (n-butyl) ) -2,2 ′-[oxybis (methylene)] bis-2-propenoate, di (isobutyl) -2,2 ′-[oxybis (methylene)] bis-2-propenoate, di (t-butyl) -2, 2 ′-[oxybis (methylene)] bis-2-propenoate, di (t-amyl) -2,2 ′-[oxybis (methylene)] bis-2-propenoate, (Stearyl) -2,2,2
  • dimethyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate, diethyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate, dicyclohexyl-2,2′- [Oxybis (methylene)] bis-2-propenoate and dibenzyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate are preferred.
  • These ether dimers may be only one kind or two or more kinds.
  • the structure derived from the compound represented by the general formula (ED) may be copolymerized with other monomers.
  • the constitutional unit derived from the ether dimer is preferably 1 to 50 mol%, more preferably 1 to 20 mol% of the whole.
  • Other monomers may be copolymerized with the ether dimer.
  • Other monomers that can be copolymerized with the ether dimer include, for example, a monomer for introducing an acid group, a monomer for introducing a radical polymerizable double bond, and an epoxy group. Monomers and other copolymerizable monomers other than these may be mentioned. Only 1 type may be used for such a monomer and it may use 2 or more types.
  • Examples of the monomer for introducing an acid group include monomers having a carboxyl group such as (meth) acrylic acid and itaconic acid, monomers having a phenolic hydroxyl group such as N-hydroxyphenylmaleimide, maleic anhydride, and anhydride. And monomers having a carboxylic anhydride group such as itaconic acid.
  • (meth) acrylic acid is particularly preferable.
  • the monomer for introducing an acid group may be a monomer that can give an acid group after polymerization, such as a monomer having a hydroxyl group such as 2-hydroxyethyl (meth) acrylate, Examples thereof include monomers having an epoxy group such as glycidyl (meth) acrylate, and monomers having an isocyanate group such as 2-isocyanatoethyl (meth) acrylate.
  • a monomer for introducing a radical polymerizable double bond when using a monomer capable of imparting an acid group after polymerization, it is necessary to perform a treatment for imparting an acid group after polymerization.
  • the treatment for adding an acid group after polymerization varies depending on the type of monomer, and examples thereof include the following treatment.
  • a treatment of adding an acid anhydride such as succinic anhydride, tetrahydrophthalic anhydride, maleic anhydride or the like can be mentioned.
  • a compound having an amino group and an acid group such as N-methylaminobenzoic acid or N-methylaminophenol is added, or, for example, (meth) acrylic
  • an acid anhydride such as succinic acid anhydride, tetrahydrophthalic acid anhydride, maleic acid anhydride to the hydroxyl group generated after adding an acid such as an acid
  • a monomer having an isocyanate group for example, a treatment of adding a compound having a hydroxyl group and an acid group such as 2-hydroxybutyric acid can be mentioned.
  • the content ratio is not particularly limited, In the monomer component, the content is preferably 5 to 70% by mass, more preferably 10 to 60% by mass.
  • Examples of the monomer for introducing a radical polymerizable double bond include, for example, monomers having a carboxyl group such as (meth) acrylic acid and itaconic acid; carboxylic acid anhydrides such as maleic anhydride and itaconic anhydride Monomers having a group; monomers having an epoxy group such as glycidyl (meth) acrylate, 3,4-epoxycyclohexylmethyl (meth) acrylate, o- (or m-, or p-) vinylbenzyl glycidyl ether; .
  • a monomer for introducing a radical polymerizable double bond it is necessary to perform a treatment for imparting a radical polymerizable double bond after polymerization.
  • the treatment for imparting a radical polymerizable double bond after polymerization differs depending on the type of monomer that can impart a radical polymerizable double bond to be used, and examples thereof include the following treatment.
  • a monomer having a carboxyl group such as (meth) acrylic acid or itaconic acid
  • Treatment of adding a compound having an epoxy group such as vinylbenzyl glycidyl ether and a radically polymerizable double bond.
  • a treatment for adding a compound having a hydroxyl group and a radical polymerizable double bond such as 2-hydroxyethyl (meth) acrylate Is mentioned.
  • a monomer having an epoxy group such as glycidyl (meth) acrylate, 3,4-epoxycyclohexylmethyl (meth) acrylate, o- (or m-, or p-) vinylbenzyl glycidyl ether is used, (meth)
  • the process which adds the compound which has acid groups, such as acrylic acid, and a radically polymerizable double bond is mentioned.
  • the content ratio is particularly limited. However, it is preferably 5 to 70% by mass, more preferably 10 to 60% by mass in the total monomer components.
  • Examples of the monomer for introducing an epoxy group include glycidyl (meth) acrylate, 3,4-epoxycyclohexylmethyl (meth) acrylate, o- (or m-, or p-) vinylbenzyl glycidyl ether, and the like. Can be mentioned.
  • the content ratio is not particularly limited, In the monomer component, the content is preferably 5 to 70% by mass, more preferably 10 to 60% by mass.
  • copolymerizable monomers include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, n (meth) acrylate -Butyl, isobutyl (meth) acrylate, t-butyl (meth) acrylate, methyl 2-ethylhexyl (meth) acrylate, cyclohexyl (meth) acrylate, benzyl (meth) acrylate, 2- (meth) acrylic acid 2- (Meth) acrylic acid esters such as hydroxyethyl; aromatic vinyl compounds such as styrene, vinyltoluene and ⁇ -methylstyrene; N-substituted maleimides such as N-phenylmaleimide and N-cyclohexylmaleimide; butadiene, isoprene and the like Butad
  • the content ratio is not particularly limited, but is 95% by mass. The following is preferable, and it is more preferable that it is 85 mass% or less.
  • the weight average molecular weight of the polymer obtained by polymerizing the monomer component containing the compound represented by the general formula (ED) is not particularly limited, but is formed by the viscosity of the colored radiation-sensitive composition and the composition. From the viewpoint of heat resistance of the coating film, it is preferably 2000 to 200000, more preferably 5000 to 100,000, and still more preferably 5000 to 20000.
  • the acid value is preferably 30 to 500 mgKOH / g, more preferably 50 It should be ⁇ 400 mg KOH / g.
  • a polymer obtained by polymerizing a monomer component containing a compound represented by the general formula (ED) can be easily obtained by polymerizing at least the above-mentioned monomer essentially containing an ether dimer. . At this time, the cyclization reaction of the ether dimer proceeds simultaneously with the polymerization to form a tetrahydropyran ring structure.
  • the polymerization method applied to the synthesis of the polymer obtained by polymerizing the monomer component containing the compound represented by the general formula (ED) is not particularly limited, and various conventionally known polymerization methods can be adopted. However, it is particularly preferable to use a solution polymerization method.
  • exemplary compounds of a polymer obtained by polymerizing a monomer component containing a compound represented by the general formula (ED) are shown, but the present invention is not limited to these.
  • the composition ratio of the exemplary compounds shown below is mol%.
  • DM dimethyl-2,2 ′-[oxybis (methylene)] bis-2-propenoate
  • BzMA benzyl methacrylate
  • MMA methyl methacrylate
  • MAA Methacrylic acid
  • GMA glycidyl methacrylate
  • the molar ratio of DM: BzMA: MMA: MAA: GMA is preferably 5 to 15:40 to 50: 5 to 15: 5 to 15:20 to 30. It is preferable that 95% by mass or more of the components constituting the copolymer used in the present invention is these components.
  • the weight average molecular weight of such a polymer is preferably 9000 to 20000.
  • an alkali-soluble phenol resin can also be preferably used.
  • the alkali-soluble phenol resin include novolak resins and vinyl polymers.
  • the novolac resin include those obtained by condensing phenols and aldehydes in the presence of an acid catalyst.
  • the phenols include phenol, cresol, ethylphenol, butylphenol, xylenol, phenylphenol, catechol, resorcinol, pyrogallol, naphthol, and bisphenol A.
  • the aldehydes include formaldehyde, paraformaldehyde, acetaldehyde, propionaldehyde, and benzaldehyde. The said phenols and aldehydes can be used individually or in combination of 2 or more types.
  • novolak resin examples include, for example, a condensation product of metacresol, paracresol or a mixture thereof and formalin.
  • the molecular weight distribution of the novolak resin may be adjusted using a means such as fractionation. Moreover, you may mix the low molecular weight component which has phenolic hydroxyl groups, such as bisphenol C and bisphenol A, with the said novolak resin.
  • alkali-soluble resin in particular, a benzyl (meth) acrylate / (meth) acrylic acid copolymer and a multi-component copolymer composed of benzyl (meth) acrylate / (meth) acrylic acid / other monomers are suitable.
  • 2-hydroxyethyl methacrylate copolymerized 2-hydroxypropyl (meth) acrylate / polystyrene macromonomer / benzyl methacrylate / methacrylic acid copolymer described in JP-A-7-140654, 2-hydroxy -3-phenoxypropyl acrylate / polymethyl methacrylate macromonomer / benzyl methacrylate / methacrylic acid copolymer, 2-hydroxyethyl methacrylate / polystyrene macromonomer / methyl methacrylate / methacrylic acid copolymer, 2-hydroxyethyl methacrylate / polystyrene macromonomer / Benzyl methacrylate / methacrylic acid copolymer.
  • the acid value of the alkali-soluble resin is preferably 30 mgKOH / g to 200 mgKOH / g, more preferably 50 mgKOH / g to 150 mgKOH / g, and most preferably 70 to 120 mgKOH / g.
  • the weight average molecular weight (Mw) of the alkali-soluble resin is preferably 2,000 to 50,000, more preferably 5,000 to 30,000, and most preferably 7,000 to 20,000.
  • the content of the binder polymer in the present invention is preferably 1% by mass to 80% by mass, more preferably 10% by mass to 70% by mass, and more preferably 20% by mass to the total solid content of the composition. More preferably, it is 60 mass%.
  • the composition of the present invention preferably contains a solvent. Only one type of solvent may be used, or two or more types may be used, and in the case of two or more types, the total amount falls within the above range.
  • the solvent is preferably contained in a proportion of 10 to 65% by mass with respect to the composition, more preferably 20 to 65% by mass, and particularly preferably 30 to 65% by mass with respect to the composition.
  • the solvent used in the present invention is not particularly limited and can be appropriately selected depending on the purpose as long as it can uniformly dissolve or disperse each component of the composition of the present invention.
  • Examples of alcohols include methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, n-hexanol, and the like
  • Examples of ketones include acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, cyclopentanone, 2-heptanone, 3-heptanone, and the like
  • Examples of esters include ethyl acetate, n-butyl acetate, acetic acid n-amyl, isobutyl acetate, amyl formate, isoamyl acetate, isobutyl acetate, ethyl propionate, butyl propionate, isopropyl butyrate, ethyl butyrate, butyl butyrate, Methyl lactate, ethyl lactate, dimethyl phthalate, ethyl
  • ethers include diethylene glycol dimethyl ether, tetrahydrofuran, diethyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobut
  • Butyl ether, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monopropyl ether acetate, and the like
  • aromatic hydrocarbons for example, toluene, xylene, benzene, ethylbenzene, etc.
  • halogenated hydrocarbons include carbon tetrachloride, trichloroethylene, chloroform, 1,1,1-trichloroethane, methylene chloride, monochlorobenzene, and the like
  • Preferable examples include dimethylformamide, dimethylacetamide, dimethylsulfoxide, sulfolane and the like.
  • the composition of the present invention may contain a polymerization initiator. Only one type of polymerization initiator may be used, or two or more types may be used, and in the case of two or more types, the total amount falls within the above range. 0.01 mass% to 30 mass% is preferable, 0.1 mass% to 20 mass% is more preferable, and 0.1 mass% to 15 mass% is particularly preferable.
  • the polymerization initiator is not particularly limited as long as it has the ability to initiate polymerization of the polymerizable compound by light or heat, or both, and can be appropriately selected according to the purpose. It is preferable that When polymerization is initiated by light, those having photosensitivity to visible light from the ultraviolet region are preferred. Further, when the polymerization is initiated by heat, a polymerization initiator that decomposes at 150 ° C. to 250 ° C. is preferable.
  • the polymerization initiator that can be used in the present invention is preferably a compound having at least an aromatic group.
  • Onium salt compounds organoboron salt compounds, disulfone compounds, and the like. From the viewpoint of sensitivity, oxime compounds, acetophenone compounds, ⁇ -aminoketone compounds, trihalomethyl compounds, hexaarylbiimidazole compounds, and thiol compounds are preferred. Examples of the polymerization initiator suitable for the present invention will be given below, but the present invention is not limited thereto.
  • acetophenone compound examples include 2,2-diethoxyacetophenone, p-dimethylaminoacetophenone, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, and p-dimethylaminoacetophenone.
  • the trihalomethyl compound is an s-triazine derivative in which at least one mono, di, or trihalogen-substituted methyl group is bonded to the s-triazine ring, specifically, for example, 2,4,6-tris (Monochloromethyl) -s-triazine, 2,4,6-tris (dichloromethyl) -s-triazine, 2,4,6-tris (trichloromethyl) -s-triazine, 2-methyl-4,6-bis (Trichloromethyl) -s-triazine, 2-n-propyl-4,6-bis (trichloromethyl) -s-triazine, 2- ( ⁇ , ⁇ , ⁇ -trichloroethyl) -4,6-bis (trichloromethyl) ) -S-triazine, 2-phenyl-4,6-bis (trichloromethyl) -s-triazine, 2- (p-methoxypheny
  • hexaarylbiimidazole compounds include, for example, each specification such as JP-B-6-29285, US Pat. Nos. 3,479,185, 4,311,783, and 4,622,286. And, specifically, 2,2′-bis (o-chlorophenyl) -4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (o-bromophenyl) )) 4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (o, p-dichlorophenyl) -4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2 ′ -Bis (o-chlorophenyl) -4,4 ', 5,5'-tetra (m-methoxyphenyl) biidazole, 2,2'-bis (o, o'-dichlorophenyl) -4,4
  • oxime compounds examples include J.M. C. S. Perkin II (1979) 1653-1660, J. MoI. C. S. Perkin II (1979) 156-162, Journal of Photopolymer Science and Technology (1995) 202-232, Journal of Applied Polymer Science (2012) pp. 725-731, compounds described in JP-A 2000-66385, compounds described in JP-A 2000-80068, JP-T 2004-534797, IRGACURE OXE 01 (1.2-octanedione, 1) manufactured by BASF Japan Ltd.
  • IRGACURE OXE 02 ethanone, 1- [9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-3-yl] -, 1- (O-acetyloxime)), 2- (acetyloxyiminomethyl) thioxanthen-9-one and the like.
  • it can also be suitably used for the cyclic oxime compounds described in JP-A-2007-231000 and JP-A-2007-322744.
  • an oxime compound having a specific substituent as disclosed in JP 2007-26997A and an oxime compound having a thioaryl group as disclosed in JP 2009-191061 A can be given.
  • a compound represented by the following formula (1) is also preferable.
  • the oxime N—O bond may be an (E) oxime compound, a (Z) oxime compound, or a mixture of (E) and (Z) isomers. .
  • R and B each independently represent a monovalent substituent, A represents a divalent organic group, and Ar represents an aryl group.
  • the monovalent substituent represented by R is preferably a monovalent nonmetallic atomic group.
  • the monovalent nonmetallic atomic group include an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a heterocyclic group, an alkylthiocarbonyl group, and an arylthiocarbonyl group.
  • these groups may have one or more substituents.
  • the substituent mentioned above may be further substituted by another substituent.
  • substituents examples include a halogen atom, an aryloxy group, an alkoxycarbonyl group or an aryloxycarbonyl group, an acyloxy group, an acyl group, an alkyl group, and an aryl group.
  • the alkyl group which may have a substituent is preferably an alkyl group having 1 to 30 carbon atoms, and specifically includes a methyl group, an ethyl group, a propyl group, a butyl group, a hexyl group, an octyl group, and a decyl group.
  • the aryl group which may have a substituent is preferably an aryl group having 6 to 30 carbon atoms, and specifically includes a phenyl group, a biphenyl group, a 1-naphthyl group, a 2-naphthyl group, and a 9-anthryl group.
  • 9-phenanthryl group 1-pyrenyl group, 5-naphthacenyl group, 1-indenyl group, 2-azurenyl group, 9-fluorenyl group, terphenyl group, quarterphenyl group, o-, m- and p-tolyl group, Xylyl group, o-, m- and p-cumenyl group, mesityl group, pentarenyl group, binaphthalenyl group, tarnaphthalenyl group, quarternaphthalenyl group, heptalenyl group, biphenylenyl group, indacenyl group, fluoranthenyl group, acenaphthylenyl group, ASEAN Trirenyl group, phenalenyl group, fluorenyl group, anthryl group, bianthracenyl group, Anthracenyl group, quarter anthracenyl group, anthraquinolyl group,
  • the acyl group which may have a substituent is preferably an acyl group having 2 to 20 carbon atoms, specifically, an acetyl group, a propanoyl group, a butanoyl group, a trifluoroacetyl group, a pentanoyl group, a benzoyl group, 1-naphthoyl group, 2-naphthoyl group, 4-methylsulfanylbenzoyl group, 4-phenylsulfanylbenzoyl group, 4-dimethylaminobenzoyl group, 4-diethylaminobenzoyl group, 2-chlorobenzoyl group, 2-methylbenzoyl group, 2 -Methoxybenzoyl group, 2-butoxybenzoyl group, 3-chlorobenzoyl group, 3-trifluoromethylbenzoyl group, 3-cyanobenzoyl group, 3-nitrobenzoyl group, 4-fluorobenzoyl group, 4-cyanobenz
  • the alkoxycarbonyl group which may have a substituent is preferably an alkoxycarbonyl group having 2 to 20 carbon atoms, and specifically includes a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, a butoxycarbonyl group, a hexyloxy group. Examples thereof include a carbonyl group, an octyloxycarbonyl group, a decyloxycarbonyl group, an octadecyloxycarbonyl group, and a trifluoromethyloxycarbonyl group.
  • the heterocyclic group which may have a substituent is preferably an aromatic or aliphatic heterocyclic ring containing a nitrogen atom, an oxygen atom, a sulfur atom or a phosphorus atom.
  • thienyl group benzo [b] thienyl group, naphtho [2,3-b] thienyl group, thiantenyl group, furyl group, pyranyl group, isobenzofuranyl group, chromenyl group, xanthenyl group, phenoxathiyl Nyl group, 2H-pyrrolyl group, pyrrolyl group, imidazolyl group, pyrazolyl group, pyridyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, indolizinyl group, isoindolyl group, 3H-indolyl group, indolyl group, 1H-indazolyl group, pur
  • alkylthiocarbonyl group which may have a substituent include a methylthiocarbonyl group, a propylthiocarbonyl group, a butylthiocarbonyl group, a hexylthiocarbonyl group, an octylthiocarbonyl group, a decylthiocarbonyl group, and an octadecylthiocarbonyl group.
  • Examples thereof include a group and a trifluoromethylthiocarbonyl group.
  • the monovalent substituent represented by B represents an aryl group, a heterocyclic group, an arylcarbonyl group, or a heterocyclic carbonyl group. These groups may have one or more substituents. Examples of the substituent include the above-described substituents. Moreover, the substituent mentioned above may be further substituted by another substituent.
  • Y, X, and n have the same meanings as Y, X, and n in formula (2) described later, and preferred examples are also the same.
  • Examples of the divalent organic group represented by A include an alkylene group having 1 to 12 carbon atoms, a cyclohexylene group, and an alkynylene group. These groups may have one or more substituents. Examples of the substituent include the above-described substituents. Moreover, the substituent mentioned above may be further substituted by another substituent. Among them, A is an alkylene substituted with an unsubstituted alkylene group or an alkyl group (for example, a methyl group, an ethyl group, a tert-butyl group, or a dodecyl group) from the viewpoint of increasing sensitivity and suppressing coloration due to heating.
  • an alkylene substituted with an unsubstituted alkylene group or an alkyl group for example, a methyl group, an ethyl group, a tert-butyl group, or a dodecyl group
  • alkylene group substituted with alkenyl group for example, vinyl group, allyl group
  • aryl group for example, phenyl group, p-tolyl group, xylyl group, cumenyl group, naphthyl group, anthryl group, phenanthryl group, styryl group
  • alkylene group substituted with alkenyl group for example, vinyl group, allyl group
  • aryl group for example, phenyl group, p-tolyl group, xylyl group, cumenyl group, naphthyl group, anthryl group, phenanthryl group, styryl group
  • the aryl group represented by Ar is preferably an aryl group having 6 to 30 carbon atoms, and may have a substituent.
  • substituents include the same substituents as those introduced into the substituted aryl group mentioned above as specific examples of the aryl group which may have a substituent.
  • a substituted or unsubstituted phenyl group is preferable from the viewpoint of increasing sensitivity and suppressing coloring due to heating.
  • the structure of “SAr” formed by the Ar and the adjacent S is the following structure.
  • Me represents a methyl group
  • Et represents an ethyl group.
  • the oxime compound is also preferably a compound represented by the following formula (2).
  • R and X each independently represent a monovalent substituent
  • a and Y each independently represent a divalent organic group
  • Ar represents an aryl group
  • n represents 0-5.
  • R, A, and Ar in formula (2) have the same meanings as R, A, and Ar in formula (1), and preferred examples are also the same.
  • Examples of the monovalent substituent represented by X include an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an acyloxy group, an acyl group, an alkoxycarbonyl group, an amino group, a heterocyclic group, and a halogen atom. These groups may have one or more substituents. Examples of the substituent include the above-described substituents. Moreover, the substituent mentioned above may be further substituted by another substituent.
  • X is preferably an alkyl group from the viewpoints of solvent solubility and improvement in absorption efficiency in the long wavelength region.
  • n represents an integer of 0 to 5, and an integer of 0 to 2 is preferable.
  • Examples of the divalent organic group represented by Y include the following structures.
  • * represents the bonding position between Y and the adjacent carbon atom in the formula (2).
  • the oxime compound is also preferably a compound represented by the following formula (3).
  • R, X, A, Ar, and n in the formula (3) have the same meanings as R, X, A, Ar, and n in the formula (2), respectively, and preferred examples are also the same.
  • PIox-1 to (PIox-13) of oxime compounds that can be suitably used are shown below, but the present invention is not limited thereto.
  • the oxime compound preferably has a maximum absorption wavelength in a wavelength region of 350 nm to 500 nm, more preferably has an absorption wavelength in a wavelength region of 360 nm to 480 nm, and has a high absorbance at 365 nm and 455 nm. Particularly preferred.
  • the oxime compound preferably has a molar extinction coefficient at 365 nm or 405 nm of 3,000 to 300,000, more preferably 5,000 to 300,000, more preferably 10,000 to 200, from the viewpoint of sensitivity. Is particularly preferred.
  • a known method can be used for the molar extinction coefficient of the compound. Specifically, for example, 0.01 g of an ultraviolet-visible spectrophotometer (Vary Inc., Carry-5 spctrophotometer) using an ethyl acetate solvent is used. It is preferable to measure at a concentration of / L.
  • the photopolymerization initiator is more preferably a compound selected from the group consisting of oxime compounds, acetophenone compounds, and acylphosphine compounds. More specifically, for example, an aminoacetophenone initiator described in JP-A-10-291969, an acylphosphine oxide initiator described in Japanese Patent No. 4225898, and the oxime initiator described above, As the oxime initiator, compounds described in JP-A No. 2001-233842 can also be used. As the acetophenone-based initiator, commercially available products IRGACURE-907, IRGACURE-369, and IRGACURE-379 (trade names: all manufactured by BASF Japan Ltd.) can be used. As the acylphosphine initiator, commercially available products such as IRGACURE-819 and DAROCUR-TPO (trade names: both manufactured by BASF Japan Ltd.) can be used.
  • the composition of the present invention may contain a surfactant. Only one type of surfactant may be used, or two or more types may be combined.
  • the blending amount of the surfactant is preferably 0.001% by mass to 2.0% by mass, more preferably 0.005% by mass to 1.0% by mass with respect to the total mass of the composition of the present invention. More preferably, it is 0.01 to 0.1% by mass or less.
  • various surfactants such as a fluorine-based surfactant, a nonionic surfactant, a cationic surfactant, an anionic surfactant, and a silicone-based surfactant can be used.
  • the composition of the present invention contains a fluorosurfactant
  • the liquid properties (particularly fluidity) when prepared as a coating liquid are further improved. Sex can be improved more. That is, when a film is formed using a coating liquid to which a composition containing a fluorosurfactant is applied, the wettability to the coated surface is reduced by reducing the interfacial tension between the coated surface and the coating liquid. Is improved, and the coating property to the coated surface is improved. For this reason, even when a thin film of about several ⁇ m is formed with a small amount of liquid, it is effective in that it is possible to more suitably form a film having a uniform thickness with small thickness unevenness.
  • the fluorine content in the fluorosurfactant is preferably 3% by mass to 40% by mass, more preferably 5% by mass to 30% by mass, and particularly preferably 7% by mass to 25% by mass.
  • a fluorosurfactant having a fluorine content within this range is effective in terms of uniformity of coating film thickness and liquid-saving properties, and has good solubility in near-infrared absorbing compositions. .
  • fluorosurfactant examples include Megafac F171, F172, F173, F176, F176, F177, F141, F142, F143, F144, R30, F437, F475, F479, F482, F554, F780, F780, F781 (above DIC Corporation), Florard FC430, FC431, FC171 (above, Sumitomo 3M Limited), Surflon S-382, SC-101, Same SC-103, Same SC-104, Same SC-105, Same SC1068, Same SC-381, Same SC-383, Same S393, Same KH-40 (manufactured by Asahi Glass Co., Ltd.), PF636, PF656, PF6320 PF6520, PF7002 (manufactured by OMNOVA), and the like.
  • nonionic surfactants include glycerol, trimethylolpropane, trimethylolethane, and ethoxylates and propoxylates thereof (for example, glycerol propoxylate, glycerin 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 manufactured by BASF, 10R5, 17R2, 25R2, Tetronic 304, 701, 704, 901, 904, 150R1, Sparse 20000 (manufactured by Nippon Lubrizol Corporation), and the like.
  • cationic surfactant examples include phthalocyanine derivatives (trade name: EFKA-745, manufactured by Morishita Sangyo Co., Ltd.), organosiloxane polymer KP341 (manufactured by Shin-Etsu Chemical Co., Ltd.), (meth) acrylic acid ( Co) polymer polyflow no. 75, no. 90, no. 95 (manufactured by Kyoeisha Chemical Co., Ltd.), W001 (manufactured by Yusho Co., Ltd.) and the like.
  • phthalocyanine derivatives trade name: EFKA-745, manufactured by Morishita Sangyo Co., Ltd.
  • organosiloxane polymer KP341 manufactured by Shin-Etsu Chemical Co., Ltd.
  • (meth) acrylic acid ( Co) polymer polyflow no. 75, no. 90, no. 95 manufactured by Kyoeisha Chemical Co., Ltd.
  • W001 manufactured by Yusho Co., Ltd.
  • anionic surfactants include W004, W005, W017 (manufactured by Yusho Co., Ltd.) and the like.
  • silicone surfactant examples include “Toray Silicone DC3PA”, “Toray Silicone SH7PA”, “Toray Silicone DC11PA”, “Tore Silicone SH21PA”, “Tore Silicone SH28PA”, “Toray Silicone” manufactured by Toray Dow Corning Co., Ltd.
  • other components may be appropriately selected according to the purpose as long as the effects of the present invention are not impaired.
  • other components that can be used in combination include a dispersant, a sensitizer, a crosslinking agent, a curing accelerator, a filler, a thermal curing accelerator, a thermal polymerization inhibitor, a plasticizer, and the like.
  • Adhesion promoters and other auxiliaries for example, conductive particles, fillers, antifoaming agents, flame retardants, leveling agents, peeling accelerators, antioxidants, fragrances, surface tension modifiers, chain transfer agents, etc. You may use together.
  • the near-infrared absorbing composition of the present invention can be in a liquid state, for example, a near-infrared cut filter can be easily manufactured by a simple process of forming a film by spin coating, Insufficient production suitability in the near-infrared cut filter can be improved.
  • the use of the near-infrared absorptive composition of this invention is not specifically limited,
  • substrate For the near-infrared cut filter in the light-receiving side of a solid-state image sensor board
  • substrate for the near-infrared cut filter with respect to a wafer level lens
  • substrate For the near infrared cut filter on the back surface side (the side opposite to the light receiving side), and the like, and preferably for the light shielding film on the light receiving side of the solid-state imaging device substrate.
  • the present invention is preferably used by forming a coating film on an image sensor for a solid-state imaging device.
  • the viscosity of the near-infrared absorbing composition of the present invention is preferably in the range of 1 mPa ⁇ s to 3000 mPa ⁇ s, more preferably 10 mPa ⁇ s to 2000 mPa when the infrared cut layer is formed by coating.
  • -It is the range below s, More preferably, it is the range of 100 mPa * s or more and 1500 mPa * s or less.
  • the near-infrared absorbing composition of the present invention is for a near-infrared cut filter on the light-receiving side of a solid-state imaging device substrate, and when an infrared cut layer is formed by coating, from the viewpoint of thick film formability and uniform coatability, It is preferably in the range of 10 mPa ⁇ s to 3000 mPa ⁇ s, more preferably in the range of 500 mPa ⁇ s to 1500 mPa ⁇ s, and most preferably in the range of 700 mPa ⁇ s to 1400 mPa ⁇ s.
  • the present invention also relates to a near-infrared cut filter obtained using the above-described near-infrared absorbing composition of the present invention. Since such a near-infrared cut filter is formed from the near-infrared absorbing composition of the present invention, it has a high light-shielding property (near-infrared shielding property) in the near-infrared region, and translucency (visible) in the visible-light region. It is a near-infrared cut filter having high light transmission) and excellent weather resistance such as light resistance and moisture resistance. In particular, the present invention is useful as a near-infrared cut filter having a wavelength region of 700 to 2500 nm.
  • the present invention provides a process for forming a film by applying (preferably coating or printing, more preferably spin coating or screen printing) the near-infrared absorbing composition of the present invention on the light-receiving side of a solid-state imaging device substrate
  • the present invention also relates to a method for manufacturing a near-infrared cut filter.
  • a film is formed from the near-infrared absorbing composition of the present invention. If a film
  • the near-infrared absorbing composition of the present invention (coating solution in which the solid content in the composition is dissolved, emulsified or dispersed) is directly applied on the support (preferably coated). And a method of forming by drying.
  • the support is provided on the light receiving side of the solid-state imaging device substrate, whether it is a solid-state imaging device substrate or another substrate (for example, a glass substrate 30 described later) provided on the light-receiving side of the solid-state imaging device substrate.
  • a layer such as a flattening layer may also be used.
  • the method of applying the near-infrared absorbing composition (coating liquid) on the support can be carried out by using, for example, a spin coater, a slit spin coater, or the like.
  • the drying conditions of the coating film vary depending on each component, the type of solvent, the ratio of use, etc., but are usually 60 ° C. to 150 ° C. for 30 seconds to 15 minutes.
  • the thickness of the film is not particularly limited and may be appropriately selected depending on the intended purpose. For example, it is preferably 1 ⁇ m to 100 ⁇ m, more preferably 1 ⁇ m to 50 ⁇ m, and particularly preferably 1.0 ⁇ m to 4.0 ⁇ m.
  • the method for forming a near-infrared cut filter using the near-infrared absorbing composition of the present invention may include other steps.
  • the surface treatment process of a base material a preheating process (prebaking process), a hardening process process, a post-heating process (post-baking) Process.
  • the heating temperature in the preheating step and the postheating step is usually 80 ° C. to 200 ° C., preferably 90 ° C. to 150 ° C.
  • the heating time in the preheating step and the postheating step is usually 30 seconds to 240 seconds, and preferably 60 seconds to 180 seconds.
  • the curing process is a process of curing the formed film as necessary, and the mechanical strength of the near-infrared cut filter is improved by performing this process.
  • limiting in particular as said hardening process Although it can select suitably according to the objective, For example, a whole surface exposure process, a whole surface heat processing, etc. are mentioned suitably.
  • “exposure” is used to include not only light of various wavelengths but also irradiation of radiation such as electron beams and X-rays.
  • the exposure is preferably performed by irradiation of radiation, and as the radiation that can be used for the exposure, ultraviolet rays such as electron beams, KrF, ArF, g rays, h rays, i rays and visible light are particularly preferably used.
  • KrF, g line, h line, and i line are preferable.
  • Exposure is more preferably 5mJ / cm 2 ⁇ 3000mJ / cm 2 is preferably 10mJ / cm 2 ⁇ 2000mJ / cm 2, and most preferably 50mJ / cm 2 ⁇ 1000mJ / cm 2.
  • Examples of the entire surface exposure processing method include a method of exposing the entire surface of the formed film.
  • the near-infrared absorbing composition contains a polymerizable compound
  • the entire surface exposure promotes curing of the polymerization component in the film formed from the composition, further curing of the film, mechanical strength, Durability is improved.
  • an apparatus which performs the said whole surface exposure Although it can select suitably according to the objective, For example, UV exposure machines, such as an ultrahigh pressure mercury lamp, are mentioned suitably.
  • the heating temperature in the entire surface heating is preferably 120 ° C. to 250 ° C., more preferably 120 ° C. to 250 ° C.
  • the heating time in the entire surface heating is preferably 3 minutes to 180 minutes, more preferably 5 minutes to 120 minutes.
  • this invention is a camera module which has a solid-state image sensor board
  • the said near-infrared cut filter is a near-infrared cut filter of this invention. It also relates to the camera module.
  • FIG.1 and FIG.2 this invention is not limited by the following specific examples.
  • FIGS. 1 and 2 common portions are denoted by common reference numerals.
  • “upper”, “upper”, and “upper” refer to the side far from the silicon substrate 10, and “lower”, “lower”, and “lower” are the sides closer to the silicon substrate 10. Point to.
  • FIG. 1 is a schematic cross-sectional view illustrating a configuration of a camera module including a solid-state imaging device.
  • a camera module 200 shown in FIG. 1 is connected to a circuit board 70 that is a mounting board via solder balls 60 that are connection members.
  • the camera module 200 is provided on the first main surface side (light receiving side) of the solid-state image sensor substrate 100 and the solid-state image sensor substrate 100 provided with an image sensor section on the first main surface of the silicon substrate.
  • the flattening layer 46 (not shown in FIG.
  • the present invention is a method of manufacturing a camera module having a solid-state image pickup device substrate and a near-infrared cut filter disposed on the light-receiving side of the solid-state image pickup device substrate.
  • the present invention also relates to a step of forming a film by applying the near infrared absorbing composition. Therefore, in the camera module according to the present embodiment, for example, the near-infrared cut filter 42 is formed by forming a film by applying the near-infrared absorbing composition of the present invention on the planarizing layer 46. .
  • the method for producing a near-infrared cut filter by forming a film by coating is as described above.
  • the incident light h ⁇ from the outside passes through the imaging lens 40, the glass substrate 30, the near-infrared cut filter 42, and the planarization layer 46 in order, and then reaches the imaging device portion of the solid-state imaging device substrate 100. It has become.
  • the camera module 200 is connected to the circuit board 70 via a solder ball 60 (connection material) on the second main surface side of the solid-state imaging device substrate 100.
  • FIG. 2 is an enlarged cross-sectional view of the solid-state imaging device substrate 100 in FIG.
  • the solid-state image sensor substrate 100 includes a silicon substrate 10 as a base, an image sensor 12, an interlayer insulating film 13, a base layer 14, a red color filter 15R, a green color filter 15G, a blue color filter 15B, an overcoat 16, a micro
  • the lens 17, the light shielding film 18, the insulating film 22, the metal electrode 23, the solder resist layer 24, the internal electrode 26, and the element surface electrode 27 are configured.
  • the solder resist layer 24 may be omitted.
  • an imaging element unit in which a plurality of imaging elements 12 such as CCDs and CMOSs are two-dimensionally arranged is provided on the first main surface side of the silicon substrate 10 that is a base of the solid-state imaging element substrate 100.
  • An interlayer insulating film 13 is formed on the image sensor 12 in the image sensor section, and a base layer 14 is formed on the interlayer insulating film 13.
  • a red color filter 15 R, a green color filter 15 G, and a blue color filter 15 B (hereinafter collectively referred to as “color filter 15”) corresponding to the image sensor 12. ) are arranged.
  • a light shielding film may be provided around the boundary between the red color filter 15R, the green color filter 15G, and the blue color filter 15B, and the periphery of the imaging element unit.
  • This light shielding film can be produced using, for example, a known black color resist.
  • An overcoat 16 is formed on the color filter 15, and a microlens 17 is formed on the overcoat 16 so as to correspond to the imaging element 12 (color filter 15).
  • the planarizing layer 46 is provided on the microlens 17.
  • a peripheral circuit (not shown) and an internal electrode 26 are provided in the periphery of the image sensor section on the first main surface side, and the internal electrode 26 is electrically connected to the image sensor 12 via the peripheral circuit.
  • an element surface electrode 27 is formed on the internal electrode 26 with the interlayer insulating film 13 interposed therebetween.
  • a contact plug (not shown) for electrically connecting these electrodes is formed.
  • the element surface electrode 27 is used for applying a voltage and reading a signal through the contact plug and the internal electrode 26.
  • a base layer 14 is formed on the element surface electrode 27.
  • An overcoat 16 is formed on the base layer 14. The base layer 14 and the overcoat 16 formed on the element surface electrode 27 are opened to form a pad opening, and a part of the element surface electrode 27 is exposed.
  • the above is the configuration of the first main surface side of the solid-state imaging device substrate 100.
  • the near-infrared cut filter 42 on the flattening layer 46, between the base layer 14 and the color filter 15, or A form in which a near-infrared cut filter is provided between the color filter 15 and the overcoat 16 may be employed.
  • an adhesive 20 is provided around the image sensor section, and the solid-state image sensor substrate 100 and the glass substrate 30 are bonded via the adhesive 20.
  • the silicon substrate 10 has a through hole that penetrates the silicon substrate 10, and a through electrode that is a part of the metal electrode 23 is provided in the through hole.
  • the imaging element portion and the circuit board 70 are electrically connected by the through electrode.
  • an insulating film 22 is formed from the second main surface to the inner wall of the through hole.
  • a metal electrode 23 patterned so as to extend from a region on the second main surface of the silicon substrate 10 to the inside of the through hole is provided.
  • the metal electrode 23 is an electrode for connecting the image pickup element portion in the solid-state image pickup element substrate 100 and the circuit board 70.
  • the through electrode is a portion of the metal electrode 23 formed inside the through hole. The through electrode penetrates part of the silicon substrate 10 and the interlayer insulating film, reaches the lower side of the internal electrode 26, and is electrically connected to the internal electrode 26.
  • a solder resist layer 24 (protective layer) is provided on the second main surface side, which covers the second main surface on which the metal electrode 23 is formed and has an opening that exposes a portion on the metal electrode 23. Insulating film). Further, on the second main surface side, there is provided a light shielding film 18 that covers the second main surface on which the solder resist layer 24 is formed and has an opening through which a part of the metal electrode 23 is exposed. It has been. In FIG. 2, the light shielding film 18 is patterned so as to cover a part of the metal electrode 23 and expose the remaining part, but may be patterned so as to expose the entire metal electrode 23. (The same applies to the patterning of the solder resist layer 24). The solder resist layer 24 may be omitted, and the light shielding film 18 may be directly formed on the second main surface on which the metal electrode 23 is formed.
  • a solder ball 60 as a connection member is provided on the exposed metal electrode 23, and the metal electrode 23 of the solid-state imaging device substrate 100 and a connection electrode (not shown) of the circuit board 70 are connected via the solder ball 60. , Are electrically connected.
  • the configuration of the solid-state imaging device substrate 100 has been described above.
  • the interlayer insulating film 13 is formed as a SiO 2 film or a SiN film, for example, by sputtering, CVD (Chemical Vapor Deposition), or the like.
  • the color filter 15 is formed by photolithography using a known color resist, for example.
  • the overcoat 16 and the base layer 14 are formed, for example, by photolithography using a known organic interlayer film forming resist.
  • the microlens 17 is formed by photolithography or the like using, for example, a styrene polymer.
  • the solder resist layer 24 is preferably formed by photolithography using a known solder resist containing, for example, a phenolic polymer, a polyimide polymer, or an amine polymer.
  • the solder balls 60 are formed using, for example, Sn—Pg (eutectic), 95Pb—Sn (high lead high melting point solder), and Pb free solder using Sn—Ag, Sn—Cu, Sn—Ag—Cu or the like. .
  • the solder ball 60 is formed in a spherical shape having a diameter of 100 ⁇ m to 1000 ⁇ m (preferably a diameter of 150 ⁇ m to 700 ⁇ m).
  • the internal electrode 26 and the element surface electrode 27 are formed as a metal electrode such as Cu by CMP (Chemical Mechanical Polishing) or photolithography and etching, for example.
  • the metal electrode 23 is formed as a metal electrode such as Cu, Au, Al, Ni, W, Pt, Mo, Cu compound, W compound, and Mo compound by sputtering, photolithography, etching, and electrolytic plating, for example.
  • the metal electrode 23 may have a single layer configuration or a stacked configuration including two or more layers.
  • the thickness of the metal electrode 23 is, for example, 0.1 ⁇ m to 20 ⁇ m (preferably 0.1 ⁇ m to 10 ⁇ m).
  • the silicon substrate 10 is not particularly limited, but a silicon substrate that is thinned by scraping the back surface of the substrate can be used.
  • the thickness of the substrate is not limited.
  • a silicon wafer having a thickness of 20 ⁇ m to 200 ⁇ m (preferably 30 to 150 ⁇ m) is used.
  • the through hole of the silicon substrate 10 is formed by, for example, photolithography and RIE (Reactive Ion Etching).
  • ⁇ Measurement of ⁇ max> 0.2 g of the complex was prepared with 20 mL of THF, and the absorption light coefficient of ⁇ max and ⁇ max was measured by measuring 400 to 1100 nm using a spectrophotometer U-4100 (manufactured by Hitachi High-Technologies Corporation).
  • the following compounds were mixed to prepare a near-infrared absorbing composition.
  • ⁇ 60 parts by mass of the infrared absorbing agent described in the above table ⁇ KARAYAD DPHA (Nippon Kayaku Co., Ltd., mixture of dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate) (polymerizable compound) 20 parts by mass ⁇ Propylene glycol monomethyl ether Acetate (PGMEA) (solvent) 120 parts by mass
  • the transmittance at a wavelength of 900 nm in the near-infrared cut filter obtained as described above was measured using a spectrophotometer U-4100 (manufactured by Hitachi High-Technologies Corporation).
  • the minimum value of transmittance (%) in the near-infrared region of 1000 nm was used as an indicator of shielding properties.
  • the transmittance it can be said that the near-infrared transmittance is 5% or less, and practically good near-infrared shielding properties are exhibited.
  • Compositions 2 to 29 were prepared and evaluated as shown in the table below.

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Abstract

L'invention concerne un complexe cuivre-phosphate présentant un coefficient d'absorption massique plus élevé. L'agent d'absorption des rayons proches de l'infrarouge selon l'invention contient un complexe ester cuivre-phosphate obtenu en faisant réagir un sel de cuivre et un composé, qui est un complexe ester cuivre-phosphate présentant un angle O=P-O de l'ordre de 104 à 120 degrés.
PCT/JP2013/068599 2012-08-21 2013-07-08 Agent d'absorption des rayons proches de l'infrarouge, composition d'absorption des rayons proches de l'infrarouge, filtre de coupure des rayons proches de l'infrarouge utilisant ledit agent et ladite composition, et procédé de production dudit filtre, module de caméra et procédé de production dudit module, et procédé de production d'un agent d'absorption des rayons proches de l'infrarouge WO2014030444A1 (fr)

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