WO2008010501A1 - Film absorbant le proche infrarouge et filtre optique pour panneau d'affichage à plasma les utilisant - Google Patents

Film absorbant le proche infrarouge et filtre optique pour panneau d'affichage à plasma les utilisant Download PDF

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Publication number
WO2008010501A1
WO2008010501A1 PCT/JP2007/064139 JP2007064139W WO2008010501A1 WO 2008010501 A1 WO2008010501 A1 WO 2008010501A1 JP 2007064139 W JP2007064139 W JP 2007064139W WO 2008010501 A1 WO2008010501 A1 WO 2008010501A1
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Prior art keywords
film
infrared absorbing
absorbing film
infrared
formula
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PCT/JP2007/064139
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English (en)
Japanese (ja)
Inventor
Junichi Segawa
Kenji Akuta
Atsuyuki Uehara
Takaaki Kurata
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Nippon Kayaku Kabushiki Kaisha
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Priority to JP2008525870A priority Critical patent/JPWO2008010501A1/ja
Publication of WO2008010501A1 publication Critical patent/WO2008010501A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
    • C07C251/20—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups being part of rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B53/00—Quinone imides
    • C09B53/02—Indamines; Indophenols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B69/00—Dyes not provided for by a single group of this subclass
    • C09B69/02—Dyestuff salts, e.g. salts of acid dyes with basic dyes
    • C09B69/06—Dyestuff salts, e.g. salts of acid dyes with basic dyes of cationic dyes with organic acids or with inorganic complex acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
    • C09F9/00—Compounds to be used as driers, i.e. siccatives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20—Constructional details
    • H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
    • H01J2211/448—Near infrared shielding means

Definitions

  • the present invention broadly absorbs light having a wavelength in the near-infrared region and is a near-infrared-absorbing film using a dimonium salt compound having excellent heat resistance, heat-and-moisture resistance, and solvent solubility, and a plasma using the same.
  • a dimonium salt compound having excellent heat resistance, heat-and-moisture resistance, and solvent solubility, and a plasma using the same.
  • PDP optical filters for display panels
  • the principle of PDP is that a voltage is applied to a rare gas (neon, xenon, etc.) enclosed in a cell sandwiched between two sheet glass plates, and ultraviolet rays emitted from the rare gas in a plasma state are placed on the cell wall.
  • a force that generates visible light necessary for images when it hits a light-emitting body Visible rays reduce the color purity of red light due to near infrared rays, electromagnetic waves harmful to the human body, and neon gas at the same time 595 nm
  • harmful electromagnetic waves such as orange light (hereinafter referred to as neon light) are also emitted together, useful visible light is transmitted, but harmful electromagnetic waves such as near infrared rays must be shielded.
  • Optical filters are needed
  • near infrared rays are used as a beam when remotely controlling electrical devices, so devices that emit near infrared rays may cause malfunctions of electrical devices installed in the vicinity. It is necessary to install an optical filter having a function of shielding near infrared rays on the front side of such devices that emit near infrared rays, particularly the PDP.
  • Near-infrared absorbing films used for optical filters are used to shield near-infrared rays.
  • a compound that absorbs near-infrared rays is used for the surface of a transparent support film, that is, a transparent substrate film or a low-reflection film.
  • Polymeric resin hereinafter referred to as binder resin
  • binder resin that has a binder function on the surface of transparent functional films such as conductive films and films that shield electromagnetic waves that are harmful to the human body (hereinafter referred to as electromagnetic shielding films).
  • electromagnetic shielding films To form a cured film layer.
  • dimoyuum salt compound having a relatively wide near-infrared absorption wavelength range is used alone or in combination with one or more other near-infrared absorbing compounds based on this.
  • dimoyu salt compounds in which many compounds with near-infrared absorptivity are insufficient in heat and moisture heat stability, improving heat and moisture heat stability.
  • the zimoyuum salt compound was envy.
  • Stabilization techniques include a method in which a cured film layer contains a dim um salt compound in a state where the amount of residual solvent is a certain ratio or less, and a binder having a relatively high glass transition temperature (hereinafter referred to as Tg).
  • Tg glass transition temperature
  • Disclosed is a method of incorporating zymoum salt compound into the resin 1S It is necessary to control the amount of residual solvent, and heat resistance and heat and humidity resistance are stable by coating and drying using general methods. It is preferable to obtain a cured film layer. (See Patent Document 2)
  • Patent Document 1 JP 2000-98131 A
  • Patent Document 2 Japanese Patent No. 3341741
  • Patent Document 3 Japanese Patent Publication No. 43-25335
  • the present invention provides:
  • Transparent support of dimonium salt compound represented by the following formula (1) as a near-infrared absorbing dye A near-infrared absorbing film, characterized in that it is contained in a layer formed on a holding film,
  • R to R each independently represents a hydrogen atom or a fat which may have a substituent.
  • X— in formula (1) is hexafluoroantimonic acid, bis (trifluoromethanesulfol) imide, tris (trifluoromethanesulfol) methide, or pentafluorophenolbis (trifluoro) ⁇ - is an antimonic acid hexafluoride, bis (trifluoromethanesulfol) imide, tris (trifluoromethanesulfurol).
  • the near-infrared absorbing film according to the above (1), wherein the methion or pentafluorophenol bis (trifluoromethanesulfol) methion is also a selected ion.
  • At least one of R to R in the formula (1) is a branched alkyl group
  • All of the branched alkyl groups are C3-C6 alkyl groups branched at the ends, the near-infrared absorbing film according to (4) above,
  • the transparent support film is a film having a function of reducing reflection or shielding electromagnetic waves,
  • the near-infrared absorbing film according to any one of (1) to (7) above,
  • the dimonium salt compound having near infrared absorptivity used in the present invention is reasonable and can be synthesized inexpensively, and has good solvent solubility.
  • Near-infrared absorbing film with a layer containing substances absorbs near infrared light in the wavelength range of 800 ⁇ : LlOOnm well, and it has excellent heat stability even in coated resin layer using binder resin with relatively low Tg PDP optical filter that combines this near-infrared absorbing film with other functional films that excels in heat and humidity resistance and has no problems with near-infrared absorption, discoloration of the layer, or deterioration of surface quality. Performance and can sufficiently cope with the above problems.
  • the near-infrared absorbing film of the present invention includes a dimamoum salt compound represented by the above formula (1) in a Norder resin layer provided on a transparent support film. Absorbing film with good physical properties and good absorption of near infrared light in the wavelength range of 800-1 lOOnm.
  • the dimonium salt compound used in the present invention is an amylum salt compound represented by the following formula (2) synthesized according to the method described in Patent Document 3, for example. It can be synthesized by acidification in the presence of a source of Y-on.
  • the dimethylmolybdate compound used in the present invention is preferably soluble in an organic solvent such as dimethylformamide (DMF), dimethylimidazolidinone (DMI), and N-methylpyrrolidone (NMP).
  • an organic solvent such as dimethylformamide (DMF), dimethylimidazolidinone (DMI), and N-methylpyrrolidone (NMP).
  • an oxidizing agent for example, silver salt
  • Y-ion at 0 to 100 ° C, preferably 5 to 70 ° C in a polar solvent
  • Ammonium salt synthesized by the above method can be covered with a mixture of an oxidizing agent such as silver nitrate and an acid or salt corresponding to Y-ion.
  • a similar zymoyu salt compound can also be obtained.
  • R to R in the formula (1) may each independently have a hydrogen atom or a substituent.
  • V represents an aliphatic hydrocarbon residue.
  • An aliphatic hydrocarbon residue means a group obtained by removing one hydrogen atom from a saturated or unsaturated linear, branched or cyclic aliphatic hydrocarbon.
  • the number of carbon atoms is 1 to 36, preferably 1 to 20 carbon atoms, particularly preferably 1 to 6 carbon atoms.
  • saturated aliphatic hydrocarbon residue or unsaturated aliphatic hydrocarbon residue having no substituent include methyl, ethyl, n-propyl, iso-propyl, n-butyl, and iso-butynole.
  • methyl, ethyl, n-propyl, iso-propinole, n-butinole, iso-butinole, sec-butinole, tert-butinole, n-pentinole, iso-pentyl, tert-pentyl are preferred.
  • Vinyl, aryl, propenyl, pentynyl or n-hexyl, etc. C1-C6 linear, branched and cyclic saturated aliphatic hydrocarbon residues or C1-C6 unsaturated aliphatic hydrocarbon residues Groups and the like.
  • At least one of R 1 to R 4 is a linear or branched C 1 to C 6 alkyl.
  • a kill group, or at least one of R to R is a linear C1-C4 alkyl group
  • At least one of R to R is a branched alkyl group.
  • R to R are all alkyl groups branched at the terminals are more preferred.
  • R—R are all alkyl groups branched at the end. Pills, isobutyl, isoamyl, isohexyl, etc., R to R are all is
  • Particularly preferred is O 2 butyl.
  • Examples of the substituent in the aliphatic hydrocarbon residue which may have a substituent include, for example, a halogen atom (eg, F, Cl, Br), a hydroxy group, an alkoxy group (eg, methoxy, Ethoxy, isobutoxy, etc.), alkoxyalkoxy groups (eg, methoxyethoxy), aryl groups (eg, phenyl, naphthyl, etc., these aryl groups may further have a substituent), aryloxy groups ( E.g., phenoxy, etc.), acyloxy groups (e.g., acetyloxy, butyryloxy, hexyloxy, benzoyloxy, etc., these aryloxy groups may further have a substituent), amino groups, alkyl-substituted amino groups (e.g., Methylamino-containing dimethylamino, etc.), cyano group, nitro group, carboxyl group, carbona
  • halogen atom cyano group, nitro group, hydroxyl group, carboxyl group, carbonamido group, alkoxycarbo group, acyl group, aryl group or alkoxy group are preferred.
  • an amino group substituted with an unsubstituted linear alkyl group and a cyano-substituted alkyl group an unsubstituted branched chain alkyl group substituted with a cyano-substituted alkyl group, an unsubstituted straight-chain alkyl group and an unsubstituted amino group A substituted branched chain alkyl group may be used.
  • Preferable examples of the aliphatic hydrocarbon residue having a substituent include cyanomethyl, 2-cyanoethyl, 3-cyanopropyl, 2-cianopropyl, 4-cyanobutyl, 3-cyanobutyl, 2-cianobutyl, 5-cyanopentyl, 4-cyanopentyl, and 3-cianopentyl.
  • Cyano-substituted (C1-C6) alkyl groups such as pentyl, 2 cyanopentyl or 3,4 dicianobutyl, methoxyethyl, ethoxyethyl, 3-methoxypropyl, 3-ethoxypropyl, 4-methoxybutyl, 4 ethoxybutyl, 5-ethoxypentyl or Alkoxy-substituted (C1-C6) alkyl groups such as 5-methoxypentyl, trifluoromethyl, monofluoromethyl, pentafluoroethyl, tetrafluoroethyl, trifluoroethyl, heptaph Fluorination (C1 ⁇ ) such as Norolepropynole, Penolenovoleorobutinore, Penolefnorerobutinoreethinore, Penolefnoretoxyl, Perfluorohexylethy
  • organic acid ions and organic metal ions include acetic acid, lactic acid, trifluoroacetic acid, propionic acid, benzoic acid, oxalic acid, succinic acid, and stearic acid.
  • Organic sulfonic acid ions tetraphenylboric acid, butyltrifluoroboric acid, tetrakis (pentafluorophenyl) boric acid and other organic boric acid words, bis (fluorosulfonyl) imide Acid, fluorine-containing organic acids such as pentafluorophenylbis (trifluoromethanesulfonyl) methide
  • fluorine-containing organic acids such as pentafluorophenylbis (trifluoromethanesulfonyl) methide
  • Preferred examples of the strong acid ion are tetrakis (pentafluorophenol) boric acid, bis (trifluoromethanesulfonyl) imide, and tris (trifluoromethanesulfonyl) methide.
  • each of the corresponding ones to pentafluorophenylbis (trifluoromethanesulfonyl) methide
  • inorganic ions include halogen ions such as fluorine, chlorine, bromine and iodine, thiocyanic acid, hexafluoroantimonic acid, perchloric acid, periodic acid, nitric acid, and tetrafluoroboric acid.
  • halogen ions such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such as fluorine, chlorine, bromine and iodine
  • hexafluoroantimonic acid such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such as fluorine, chlorine, bromine and iodine
  • thiocyanic acid such
  • hexafluoroantimonic acid bis (trifluoromethanesulfol) imide, tris (trifluoromethanesulfol) methide or pentafluorophenolbis (tri Fluoromethanesulfol) is especially preferred for each keyone corresponding to the methide.
  • X— and Y— represent a counter ion, bis (trifluoromethanesulfol) imide ion, TFSI, bis (fluorosulfol) imide ion, FSI, and tris (trifluoromethanesulfonyl) methide ion, TFSM, pentafluorophenylbis (trifluoromethanesulfol) methide ion is abbreviated as Z, and tetrakis (pentafluorophenyl) borate ion is abbreviated as W.
  • the zymoyu salt compound represented by the formula (1) used in the present invention may be used alone, but the desired near infrared absorption wavelength range, absorption ratio, price, etc. It may be used in combination with one or more other near-infrared absorbing compounds.
  • Examples of other near-infrared absorbing compounds include dimonium salt compounds other than dimonium salt compounds represented by formula (1), nitroso compounds and their metal salts, cyanine compounds, Squarium compounds, thiol nickel complex compounds, phthalocyanine compounds, naphthalocyanine compounds, triallylmethane compounds, naphthoquinone compounds, anthraquinone compounds, etc. Is mentioned.
  • the transparent support film used in the present invention is not particularly limited in type and thickness as long as it can withstand use as an optical film with high transparency and no scratches. It can be said that ⁇ 500 ⁇ m is a preferable range with good workability. Specific examples include polymer-based resin films such as polyester-based (hereinafter referred to as PET), polycarbonate-based, triacetate-based, norbornene-based, acrylic-based, cellulose-based, polyolefin-based, and urethane-based films.
  • PET polyester-based
  • PET polycarbonate-based
  • triacetate-based norbornene-based
  • acrylic-based acrylic-based
  • cellulose-based cellulose-based
  • polyolefin-based polyolefin-based
  • urethane-based films urethane-based films.
  • a transparent support film containing an ultraviolet ray absorbing material can also be used in order to absorb the ultraviolet rays and enhance the function stability of the internal member.
  • the film surface is coated with corona discharge treatment, plasma treatment, glow discharge treatment, roughening treatment, chemical treatment, anchor coating agent, primer, etc. in order to improve adhesion with the coating film.
  • the transparent support film is a film having a single function or a plurality of functions such as anti-reflection, anti-glare / anti-reflection, anti-static, anti-fouling, neon light absorption, electromagnetic wave shielding, or color tone adjustment. If it is present, it is a more reasonable and excellent optical filter.
  • the anti-reflection film is a film or transparent support in which the surface of a transparent support film such as PET is coated with a low refractive index agent together with a binder resin and other additives to suppress the reflection of light from external forces.
  • a hard coat layer and a high refractive index layer are provided between the film and the low refractive index layer, and control is made to cancel the reflected light from each layer to improve visibility.
  • the arc top series (Asahi Glass Co., Ltd.) and Kyacoat ARS series (Manufactured by Nihon Shakuyaku Co., Ltd.) GRSRS (Nippon Kayaku Co., Ltd.), Realak Series (Nippon Yushi Co., Ltd.) and other non-adhesive strength anti-reflection films can be used as a transparent support film. is there.
  • Dimonium salt compound represented by formula (1) is mixed with binder resin, neon light absorbing dye, color adjusting dye, leveling agent, antistatic agent, antioxidant, dispersion as required.
  • a coating solution is prepared by dissolving and Z or dispersing in a solvent together with additives, flame retardants, lubricants, plasticizers, ultraviolet absorbers, other additives, etc., and then coating with a coating machine and drying.
  • a binder resin such as thermosetting and active energy linear curing
  • a drying process is required after drying. 1S Curing heat and active energy rays cause deterioration of the dye or increase the number of processes. Therefore, it is desirable to use thermoplastic binder resin unless there are special circumstances.
  • a dimethylmolybdate salt compound When a dimethylmolybdate salt compound is contained in the binder resin layer, it is most commonly used as a dimonium salt compound having only the hexafluoroantimonate ion as the ion (for example, the trade name; IRG-022, manufactured by Nippon Yakuyaku Co., Ltd.) and many zymoyu salt compounds, as described in Patent Document 2, use a binder resin whose Tg is less than 85 ° C. Inferior stability Power of zimoyu salt compound represented by formula (1) is acceptable even when Tg is less than 85 ° C. Also, the amount of residual solvent in the binder resin layer as disclosed in Patent Document 2 It can be used without any problem even if it is dried under ordinary drying conditions that do not require any control.
  • the binder resin is not particularly limited as long as there is no problem in the surface quality and the like that the adhesive resin layer has good adhesion to the transparent support film and the visible light transmission property is good. Therefore, it is preferable to select a thermoplastic resin such as a polyester resin, an acrylic resin, a polyamide resin, a polyurethane resin, a polyolefin resin, or a polycarbonate resin.
  • a thermoplastic resin such as a polyester resin, an acrylic resin, a polyamide resin, a polyurethane resin, a polyolefin resin, or a polycarbonate resin.
  • thermoplastic resin for example, Ataridic series (Dainippon Ink Chemical Co., Ltd.), Hals hybrid series (Nippon Shokubai Co., Ltd.), etc. can be used. .
  • the near-infrared absorbing film of the present invention is preferably designed so that the transmittance of near-infrared light having a wavelength of 800-: LlOOnm is 20% or less. If the amount of um salty compound is used, it should be contained in the binder resin so that it is about 0.1 to 10% by weight with respect to the binder resin. If necessary, one or more other near-infrared absorbing compounds may be used in combination, and these are contained in the binder resin so that the amount is about 0.01 to 5% by weight based on the binder resin. Goodbye!
  • Examples of the solvent for the coating solution include alcohols such as methanol, ethanol, isopropanol, diacetone alcohol, ethyl acetate sorb, and methyl solvate, acetone, methyl ethyl ketone, cyclopentanone, and cyclohexanone.
  • alcohols such as methanol, ethanol, isopropanol, diacetone alcohol, ethyl acetate sorb, and methyl solvate, acetone, methyl ethyl ketone, cyclopentanone, and cyclohexanone.
  • Ketones such as N, N-dimethylformamide, N, N-dimethylacetamide, sulfoxides such as dimethylsulfoxide, ethers such as tetrahydrofuran, dioxane, ethylene glycol monomethyl ether, methyl acetate, ethyl acetate , Esters such as butyl acetate, aliphatic hydrocarbons such as chloroform, methylene chloride, dichloroethylene or trichloroethylene, aromatics such as benzene, toluene, xylene, monochlorobenzene or dichlorobenzene, or n-hexane , N Aliphatic hydrocarbons such as heptane, fluorine-based solvents such as tetrafluoropropyl alcohol, pentafluoropropyl alcohol, etc. can be used, and there are no problems such as coating and drying due to the solubility of each composition. It is necessary to select
  • Coating of the coating liquid is a known method such as a flow coating method, a spray method, a bar coating method, a gravure coating method, a mouth coating method, a blade coating method, an air knife coating method, a lip coating method, or a die coater method.
  • the coating method is applied so that the final film thickness is usually 0.1 to 30 / ⁇ ⁇ , preferably 1 to 10 m, and the coating layer is fixed by drying.
  • Methods for shielding electromagnetic waves include a mesh type in which ultrafine wires of metal such as copper are held in a transparent support film in a geometric pattern like a mesh, and an ultrathin metal film in a range having light transmittance.
  • a mesh type electromagnetic wave shielding film can be used as a transparent support film.
  • Neon light absorption filter in which a compound is held on a transparent support film is normally used.
  • a compound having neon light absorption ability into a coating layer having near infrared absorption ability, near infrared light and neon light can be obtained.
  • the neon light absorbing compound includes, for example, tetraazaporphyrin, cyanine, squarylium, azomethine, xanthene, oxonol, and azo compounds. It is necessary to give sufficient consideration to stability.
  • tetraazaporphyrin-based compounds are relatively stable, but other compounds can be used as long as they are stable.
  • the pressure-sensitive adhesive that can be used in the present invention is not particularly limited as long as it forms a transparent layer on the surface of the transparent support film and does not impair the function as an optical filter, but acrylic, polyester, polyamide -Based, polyurethane-based, polyolefin-based, polycarbonate-based, rubber-based, or silicone-based resin, and acrylic resin-based adhesives are preferred because of their excellent transparency, adhesiveness, heat resistance, etc. is there.
  • Acrylic resin adhesives do not have functional groups and have acrylic acid alkyl esters as the main component, and acrylic acid alkyl esters having functional groups on them, and other single quantities other than acrylic acid alkyl esters. This is a copolymer of body components.
  • the copolymerization ratio of the acrylic acid alkyl ester having the functional group and other monomer components other than the acrylic acid alkyl ester is 0.1 to 20 per 100 parts by weight of the acrylic acid alkyl ester component having no functional group. Part by weight, more preferably 1 to 10 parts by weight.
  • acrylic acid alkyl ester having no functional group examples include methyl (meth) acrylate,
  • a monomer other than the acrylic acid alkyl ester having a functional group or the acrylic acid alkyl ester a monomer that functions as a cross-linking point with a cross-linking agent described later is used, and the type thereof is not particularly limited.
  • hydroxyl group-containing (meth) acrylate monomers such as 2-hydroxyethyl (meth) acrylate and hydroxypropyl (meth) acrylate, N, N-dimethylaminoethyl acrylate, N-tert —Amino group-containing (meth) acrylic acid monomers such as butylaminoethyl acrylate, acrylic acid, maleic acid, etc. may be mentioned. These may be used in combination of two or more.
  • the pressure-sensitive adhesive is preferably used in a composition capable of cross-linking the acrylic acid-based resin or the like by blending a cross-linking agent.
  • the cross-linking agent is appropriately used depending on the type of the monomer, and examples thereof include aliphatic diisocyanates such as hexamethylene diisocyanate and trimethylolpropane adduct of hexamethylene diisocyanate, and tolylene diisocyanate.
  • a polyisocyanate compound such as an aromatic diisocyanate such as trimethylolpropane adduct of trilendiisocyanate, a melamine compound such as trimethylol melamine, hexamethylendiamine or triethyldiamine
  • Epoxy resin compounds such as diamine compounds, bisphenol A and epichlorohydrin reaction products, urea resin compounds, metal chlorides such as aluminum chloride, salt and ferric iron or aluminum sulfate, etc.
  • metal chlorides such as aluminum chloride, salt and ferric iron or aluminum sulfate, etc.
  • it is about 0.01 to 3 parts by weight.
  • the adhesive is coated with a resin, which is the main component of the adhesive, a polymerization initiator, a crosslinking agent, an ultraviolet absorber, a color tone adjusting dye, and other necessary additives such as an electromagnetic shielding mesh.
  • a resin which is the main component of the adhesive, a polymerization initiator, a crosslinking agent, an ultraviolet absorber, a color tone adjusting dye, and other necessary additives such as an electromagnetic shielding mesh.
  • a solvent such as methylethylketone (MEK) together with an antioxidant, antifungal agent, etc.
  • the coating method is not particularly limited, and is a method of applying with a bar coater, reverse coater, comma coater or gravure coater and drying to adhere the adhesive layer, or applying an adhesive solution on the release film to the bar coater.
  • the above-mentioned acrylic resin-based pressure-sensitive adhesive has excellent adhesive strength and cohesive strength, and has high stability to light and oxygen because there is no unsaturated bond in the polymer.
  • the type and molecular weight of the monomer are selected.
  • the reasoning power of having a high degree of freedom is also preferable.
  • a polymer having a high molecular weight (degree of polymerization), that is, a weight average molecular weight (Mw) of the main polymer is preferably about 600,000 to 2,000,000, more preferably 800,000 to Example of about 1.8 million
  • a part means a weight part.
  • DSC220 (manufactured by Seiko Insuno Remen Co., Ltd.)
  • N, N, ⁇ ', N'-tetrakis ⁇ -di (iso-butyl) aminophenol ⁇ -p-phenol-diamine is added to 30 parts of DMF, and the mixture is heated to 60 ° C. After heating, 2.52 parts of bis (trifluoromethanesulfol) imide silver salt dissolved in 35 parts of DMF was added and stirred for 30 minutes.
  • the corresponding amino salt may be oxidized with an oxidizing agent in the presence of the corresponding arion or arion source. In It can be synthesized more.
  • the coating solution in which the raw materials shown in Table 3 were mixed and dissolved so as to be uniform was placed on a release PET film (trade name, MRF-75, manufactured by Mitsubishi Chemical Polyester Film) with a comma coater.
  • a coating speed of 8 mZ By coating at a coating speed of 8 mZ, drying at 110 ° C. to form an adhesive layer having a thickness of 18 m, and laminating this with the near-infrared absorbing film having a low reflection property, A near-infrared absorbing film having reduced reflectivity and absorbing neon light was obtained.
  • Neon light absorber (trade name T A P— 2; manufactured by Yamada Chemical Co., Ltd.) 0.0 9 6 parts
  • Ultraviolet absorber (trade name Tinuvin 1 ⁇ 9; manufactured by Ciba Geigy) 1.2 parts
  • Atalinole resin (trade name P T R— 1 0 4; made by Nihoni) 1 2 0. 0 parts
  • the antireflection property was reduced in the same manner as in Example 1 except that the dimonium salt compound IRG —022 (manufactured by Nippon Yakuyaku Co., Ltd.) was used instead of the dimonium salt compound of Synthesis Example 1.
  • a near-infrared absorbing film that has and absorbs neon light was obtained.
  • a spectrophotometer (trade name, UV-3150, manufactured by Shimadzu Corporation) was used for measurement. Luminous transmittance (YZ%), chromaticity coordinates (x, y), and near-infrared wavelength before and after the test. The transmittance at 950 nm was measured.
  • Luminous transmittance (YZ%) and chromaticity coordinates (x, y) were calculated in accordance with the color display method based on the XYZ color system of IS Z 8701.
  • the dimonium salt compound having near-infrared absorptivity used in the present invention is reasonable and can be synthesized inexpensively, and has good solvent solubility.
  • Near-infrared absorbing film with a layer containing substances absorbs near infrared light in the wavelength range of 800 ⁇ : LlOOnm well, and it has excellent heat stability even in coated resin layer using binder resin with relatively low Tg
  • This product exhibits excellent PDPs by combining this near-infrared absorbing film with other functional films.
  • An optical filter can be provided.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Filters (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne la découverte d'un composé de sel de diimmonium possédant une plage de longueur d'onde d'absorption proche de l'infrarouge relativement grande, tout en présentant une bonne résistance à la chaleur et une bonne résistance à la chaleur humide. Le composé est stable non seulement dans une couche de film durcie formée par un procédé couramment utilisé mais aussi dans une couche de résine de revêtement en utilisant une résine liante qui a une Tv relativement basse dans laquelle des résines liantes d'une grande plage de Tv peuvent être utilisées. Un film absorbant le proche infrarouge est créé en utilisant ce composé, et un filtre optique pour panneau d'affichage à plasma est produit en utilisant ce film absorbant le proche infrarouge. L'invention concerne en particulier un film absorbant le proche infrarouge qui présente une excellente stabilité, dans lequel un composé de sel de diimmonium représenté par la formule (1) ci-après est utilisé. Elle concerne également en particulier un filtre optique pour panneau d'affichage à plasma qui utilise le film absorbant le proche infrarouge. (1) (Dans la formule (1), R1 à R8 représentent indépendamment un atome d'hydrogène ou un résidu hydrocarboné aliphatique éventuellement substitué ; et X- et Y- représentent respectivement un anion monovalent différent l'un de l'autre).
PCT/JP2007/064139 2006-07-21 2007-07-18 Film absorbant le proche infrarouge et filtre optique pour panneau d'affichage à plasma les utilisant WO2008010501A1 (fr)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10822153B2 (en) 2015-03-02 2020-11-03 Societe Des Produits Nestle S.A. Visible light barrier for dairy packaging

Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2004048480A1 (fr) * 2002-11-22 2004-06-10 Japan Carlit Co., Ltd. Matiere colorante absorbant le rayonnement infrarouge proche et filtre pour intercepter le rayonnement infrarouge proche
JP2005189740A (ja) * 2003-12-26 2005-07-14 Toyobo Co Ltd 近赤外線吸収フィルター
JP2005325292A (ja) * 2004-05-17 2005-11-24 Japan Carlit Co Ltd:The 近赤外線吸収色素及び近赤外線遮断フィルター

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JP2003327865A (ja) * 2002-05-16 2003-11-19 Sumitomo Seika Chem Co Ltd 近赤外線吸収色素およびこれを用いた近赤外線吸収材
AU2004287652A1 (en) * 2003-11-10 2005-05-19 Nippon Kayaku Kabushiki Kaisha Diimonium salt compound and use thereof
CN101010290B (zh) * 2004-09-06 2011-08-03 日本化药株式会社 二亚铵化合物及其用途

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2004048480A1 (fr) * 2002-11-22 2004-06-10 Japan Carlit Co., Ltd. Matiere colorante absorbant le rayonnement infrarouge proche et filtre pour intercepter le rayonnement infrarouge proche
JP2005189740A (ja) * 2003-12-26 2005-07-14 Toyobo Co Ltd 近赤外線吸収フィルター
JP2005325292A (ja) * 2004-05-17 2005-11-24 Japan Carlit Co Ltd:The 近赤外線吸収色素及び近赤外線遮断フィルター

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10822153B2 (en) 2015-03-02 2020-11-03 Societe Des Produits Nestle S.A. Visible light barrier for dairy packaging

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