CN102272639A - Film for optical filter and optical filter comprising same for plasma display panel - Google Patents

Film for optical filter and optical filter comprising same for plasma display panel Download PDF

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Publication number
CN102272639A
CN102272639A CN2010800039213A CN201080003921A CN102272639A CN 102272639 A CN102272639 A CN 102272639A CN 2010800039213 A CN2010800039213 A CN 2010800039213A CN 201080003921 A CN201080003921 A CN 201080003921A CN 102272639 A CN102272639 A CN 102272639A
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Prior art keywords
film
optical filter
composition
weight
methyl
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Inventor
吉田早纪
濑川淳一
芥研二
上原淳行
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Nippon Kayaku Co Ltd
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Nippon Kayaku Co Ltd
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Publication of CN102272639A publication Critical patent/CN102272639A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/062—Copolymers with monomers not covered by C09J133/06
    • C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optical Filters (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A film for optical filters that has excellent light resistance and an optical filter for plasma display panels that comprises the film are developed using a pressure-sensitive adhesive comprising a crosslinkable acrylic resin, a crosslinking agent, and a dye absorbing neon light. Use is made of a pressure-sensitive adhesive comprising a crosslinkable acrylic resin and a crosslinking agent, a dye absorbing neon light is highly stable in a layer of the pressure-sensitive adhesive. By forming the pressure-sensitive adhesive layer on one side of a transparent substrate, a film for optical filters that has excellent light resistance and an optical filter for plasma display panels that comprises the film have been developed, wherein the resin being obtained by copolymerizing 70.1-99.8 wt.% alkyl (meth)acrylate in which the alkyl group has 4-12 carbon atoms, 0.1-10 wt.% hydroxylated monomer copolymerizable with the alkyl (meth)acrylate, and 0.1-19.9 wt.% other monomer copolymerizable with both the alkyl (meth)acrylate and the hydroxylated monomer.

Description

Optical filter is with film and use the plasma panel plate optical filter of this film
Technical field
The present invention relates to a kind of optical filter with film and use the plasma panel plate (following note is made PDP) of this film to use optical filter, described optical filter contains neon optical absorption pigment and excellent in te pins of durability with film in adhesive phase.
Background technology
The principle of PDP is, apply voltage to being sealing into by the rare gas in the element of 2 plate glass clampings (neon, xenon etc.), the ultraviolet ray that rare gas sent that becomes plasmoid arrives the treated luminophor to the element wall, produces the needed luminous ray of image thus; But also emit simultaneously near infrared ray, harmful electromagnetic wave and wait the electromagnetic wave that is harmful to because of neon makes near the orange light (following note is made neon light) the wavelength 595nm that the excitation of red light descends with luminous ray, although therefore useful luminous ray sees through, but needing shielding is the near infrared ray of representative and harmful electromagnetic wave with neon light, therefore needs optical filter.(referring to patent documentation 1)
The multilayer sputtered film of utilizing metal material by use can shield near infrared ray and harmful electromagnetic wave simultaneously as the parts that are used for optical filter.(referring to patent documentation 2,3)
But, then need to be provided with in addition screen layer about neon light, what used is the optical filter that utilizes bonding agent that applyings such as neon light absorping film and the base material with near infrared ray and electromagnetic wave shielding function, anti-dazzle and anti-reflective film are formed in the past, wherein, the neon light absorping film is added on the specific pigment that absorbs neon light in the resin glue and it is coated on the transparent base and obtains.As above-mentioned pigment, what mainly use is the anthocyanidin that a spot of interpolation just has sufficient absorption characteristic.
If in adhesive phase, can contain the neon optical absorption pigment, then can give the neon light absorpting ability at the interlayer arbitrarily that constitutes optical filter, therefore can expect significantly improving of optical filter manufacturing efficient.But, if adding with cyanine in bonding agent is that pigment is the neon optical absorption pigment of representative, then with different with the interpolation in the resin glue to the coating that constitutes by macromolecule bodies such as vibrin or acrylic resins, there is big, the so distinctive problem of bonding agent of forfeiture neon light absorption function of pigment deterioration after the long duration test, up to now, various Study on Additive have been carried out using in order to make unsettled neon optical absorption pigment stabilization in bonding agent.(referring to patent documentation 4)
In recent years, as the neon optical absorption pigment, use the tetraazatetradecane porphyrin pigment to replace anthocyanidin more.(referring to patent documentation 5)
For the tetraazatetradecane porphyrin pigment, it also is stable in bonding agent even without adjuvant, compares good endurance with anthocyanidin.
As bonding agent, can consider that by the high cross-linking type acrylic acid of versatility (ア Network リ Le) be the bonding agent that resin and crosslinking chemical constitute.But, form according to the monomer of this resin, can not obtain sufficient permanance, particularly sufficient photostability sometimes.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2000-98131 communique
Patent documentation 2: No. the 3753482nd, Jap.P.
Patent documentation 3: Japanese kokai publication hei 10-282335 communique
Patent documentation 4: TOHKEMY 2007-233323 communique
Patent documentation 5: No. 3834479 communique of Jap.P.
Summary of the invention
The problem that invention will solve
Problem of the present invention is that the optical filter of a kind of photostability excellence of exploitation is with film and use the plasma panel plate optical filter of this film, described optical filter film is the film that is provided with the adhesive phase that is formed by the bonding agent that contains the neon optical absorption pigment on the one side of transparent base, and described bonding agent comprises cross-linking type acrylic resin and crosslinking chemical.
The means that are used to deal with problems
The inventor has carried out deep research for solving above-mentioned problem, it found that, the bonding agent that comprises cross-linking type acrylic resin (form constitute by certain monomers) and crosslinking chemical by use, one side at transparent base is provided with the blooming of the adhesive phase that is formed by this bonding agent that contains the neon optical absorption pigment and uses the plasma panel plate of this blooming can keep excellent stability with optical filter in fast light test, thereby has finished the present invention.
That is, the present invention relates to:
(1) a kind of optical filter film, it is characterized in that, this film is that the single face that the adhesive phase that will be formed by bonding agent is arranged on transparent base forms, this adhesive phase contains the neon optical absorption pigment, described bonding agent comprises cross-linking type acrylic resin and crosslinking chemical, described cross-linking type acrylic resin is with following (a) composition, (b) composition and/or (c) composition be the amount of 70.1～99.8 weight % with (a) composition, (b) composition is the amount of 0.1～10 weight %, (c) composition is that the ratio ((a)+(b)+(c) is 100 weight %) of the amount of 0.1～19.9 weight % is carried out copolymerization and obtained, described (a) composition is that the carbon number of alkyl is (methyl) alkyl acrylate of 4～12, described (b) composition be can with the hydroxyl monomer of described (a) composition copolymerization, described (c) composition be can with described (a) composition and (b) other monomers of composition copolymerization.
As above-mentioned (1) described optical filter film, it is characterized in that (2) crosslinking chemical is a blocked isocyanate.
(3) as above-mentioned (1) or (2) described optical filter film, wherein, the neon optical absorption pigment is the tetraazatetradecane porphyrin pigment.
(4) as any described optical filter film of above-mentioned (1)～(3), it is characterized in that bonding agent contains the bonding imparting agent that is made of the terpene phenolic resin.
(5) as any described optical filter film of above-mentioned (1)～(4), it is characterized in that, at the opposing face of the face with adhesive phase of the transparent base that is provided with adhesive phase, lamination has the one deck at least that is selected from hard membrane layer, conductive layer, antiglare layer and the anti-reflecting layer.
(6) a kind of plasma panel plate optical filter, it is characterized in that this optical filter is that any described optical filter in film with near infrared ray and/or electromagnetic wave shielding function or lamination on glass above-mentioned (1)～(5) forms with film.
The invention effect
Also demonstrate excellent stability even the bonding agent that uses in the present invention contains with the tetraazatetradecane porphyrin pigment as the neon optical absorption pigment of representative, the optical filter that is provided with this adhesive phase in the one side of transparent base is with film and use the plasma panel plate of this film to demonstrate excellent photostability with optical filter.
Embodiment
The bonding agent of Shi Yonging is the bonding agent that comprises cross-linking type acrylic resin and crosslinking chemical in the present invention, described cross-linking type acrylic resin be (methyl) alkyl acrylate of 4～12 with the carbon number of alkyl with the amount of 70.1～99.8 weight %, can with the hydroxyl monomer of above-mentioned (methyl) alkyl acrylate copolymer with the amount of 0.1～10 weight % and can carry out copolymerization with the amount of 0.1～19.9 weight % with other monomers of above-mentioned (methyl) alkyl acrylate and hydroxyl monomer copolymerization and obtain.
As (methyl) alkyl acrylate that uses in the present invention, so long as being (methyl) alkyl acrylate of 4～12, the carbon number of alkyl just is not particularly limited, can enumerate for example (methyl) butyl acrylate, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, (methyl) acrylic acid pentyl ester, (methyl) acrylic acid isopentyl ester, (methyl) acrylic acid peopentyl ester, (methyl) Hexyl 2-propenoate, (methyl) acrylic acid heptyl ester, (methyl) 2-EHA, (methyl) 2-ethyl hexyl acrylate, (methyl) Isooctyl acrylate monomer, (methyl) acrylic acid ester in the ninth of the ten Heavenly Stems, (methyl) acrylic acid ester in the different ninth of the ten Heavenly Stems, (methyl) decyl acrylate, (methyl) isodecyl acrylate, (methyl) acrylic acid 11 esters or (methyl) dodecyl acrylate etc., these compounds can share more than 2 kinds as required.The preferred butyl acrylate that uses among these compounds.
As can with the hydroxyl monomer of above-mentioned (methyl) alkyl acrylate copolymer, can use as with the crosslinking points of crosslinking chemical described later etc. and the compound of performance function, its kind is not particularly limited, can enumerate (methyl) hydroxy-ethyl acrylate, (methyl) hydroxypropyl acrylate etc., these compounds can share more than 2 kinds as required.The preferred acrylic acid 2-hydroxy methacrylate that uses among these compounds.
As can with other monomers of above-mentioned (methyl) alkyl acrylate and hydroxyl monomer copolymerization, be not particularly limited, the carbon number that can enumerate alkyl is (methyl) alkyl acrylate of 1～3, (methyl) isobornyl acrylate etc. contains (methyl) acrylate of non-aromaticity ring, (methyl) acrylic acid aralkyl ester etc. contains (methyl) acrylate of aromaticity ring, N, (N-replacement) acid amides such as N-dimethyl (methyl) acrylamide are monomer, (methyl) glycidyl acrylate etc. contains the acrylic monomer of epoxy radicals etc., and these compounds can share more than 2 kinds as required.The preferred methyl acrylate that uses among these compounds.
Usually, make the dissolving of above-mentioned monomer or be dispersed in the organic solvent (for example toluene, dimethylbenzene, benzene, hexane, heptane, ethyl acetate, butyl acetate, methyl isobutyl ketone, methyl ethyl ketone, acetone, alcohols), under agitation, add polymerization initiator and carry out copolymerization, thereby can obtain the cross-linking type acrylic resin.Polymerization initiator as used herein can be the polymerization initiator arbitrarily of inorganic system or organic system, but preferably uses for example azoisobutyronitrile (hereinafter to be referred as AIBN), the such organic polymer initiating agent of benzyl peroxide.The consumption of polymerization initiator is so long as common consumption gets final product, and for example, with respect to all monomer components of 100 weight portions, the consumption of polymerization initiator can be selected from the scope about 0.01～1 weight portion.
As the crosslinking chemical that is used for above-mentioned cross-linking type acrylic resin, can enumerate slaines such as polyisocyanate compound, melamine compound, diamine compound, epoxy resin compound, carbamide resin compound, aluminum chloride, iron chloride (III) or aluminium sulphate etc., be preferably polyisocyanate compound, more preferably case type polyisocyanates.As case type polyisocyanates, can enumerate for example oxime blocked isocyanate and active methylene group blocked isocyanate, it is blocked isocyanate that preferred use does not need the active methylene group of the low temperature curing type of catalyzer such as tin compound.
Use bonding agent excellence aspect bounding force, aggregation force of above-mentioned cross-linking type acrylic resin and crosslinking chemical, and because of in polymkeric substance, there not being unsaturated link high to the stability of light and oxygen, in addition, the degree of freedom height of the kind of monomer and the selection of molecular weight, this bonding agent for the foregoing reasons and preferably, for the stability at the neon optical absorption pigment of the front and back of slaking operation, preferably to be 1,000,000 or more be coated with the macromolecule that has sufficient cross-linking density after the drying at once so that be formed in to the weight-average molecular weight of this bonding agent.
As the bonding imparting agent that uses in the present invention, can enumerate terpenic series bonding give resin, phenol be bonding give resin, rosin series bonding give resin, epoxy be bondingly give resin, polyamide-basedly bondingly give resin, ketone is bonding resin, the bonding resin etc. of giving of elastic system given, the preferred terpene phenolic resin that uses as modification terpenic series resin.
Be preferably to have at neon optical absorption pigment used in the present invention and absorb the pigment that maximal value, its half-peak breadth are about 10～60nm at wavelength 580～600nm, can be from for example selecting the preferred tetraazatetradecane porphyrin pigment that uses with formula (1) expression the pigments such as cyanine, the sour inner salt in side, xanthene, class cyanines, azo, tetraazatetradecane porphyrin.The tetraazatetradecane porphyrin pigment also has commercially available, for example can enumerate " PD319 " (Mitsui Chemicals, Inc's manufacturing) and " TAP2 " (manufacturing of hillside plot KCC) (the absorbing wavelength peak is at 592nm).
Figure BDA0000073182990000051
(in the formula, R 1～R 8Expression alkyl etc., M represents the metal derivative of metal, 3 valencys or 4 valencys of 2 hydrogen atoms or divalent.)
For the combined amount of pigment,, be that 5～70% mode is come hybrid pigment preferably with the transmitance at the maximal value place of absorption as long as suitably set.
In order to make film of the present invention, for example other adjuvant such as the above-mentioned cross-linking type acrylic resin of 100 weight portions, 0.01～1 parts by weight of cross-linking agent, the neon optical absorption pigment of 0.01～1 weight portion, ultraviolet light absorber of 0.1～10 weight portion is dispersed in the solvent, obtain bonding agent, this bonding agent is coated on the transparent base, carries out drying and get final product.As solvent, can use for example alcohols such as methyl alcohol, ethanol, isopropyl alcohol, diacetone alcohol, ethyl cellosolve, methyl cellosolve; Ketones such as acetone, methyl ethyl ketone, cyclopentanone, cyclohexanone; N, amide-types such as dinethylformamide, N,N-dimethylacetamide; Sulfoxide classes such as dimethyl sulfoxide; Ethers such as tetrahydrofuran, dioxane, glycol monoethyl ether; Ester classes such as methyl acetate, ethyl acetate, butyl acetate; Halogen series solvents such as methenyl choloride, methylene chloride, dichloroethylene, triclene; The fragrant same clans such as benzene,toluene,xylene, monochloro benzene, dichloro-benzenes; Perhaps aliphatic hydrocarbon such as normal hexane, normal heptane; Fluorine series solvents such as tetrafluoropropanol, five fluorine propyl alcohol etc.; Must be good in the dissolubility of each composition, do not have the problem of coating, drying etc., take into full account selective solvent under the condition of security yet.
Coating for bonding agent, using flow coat method, spray-on process, rod to be coated with method, notch board rubbing method, rolling method, scraper plate rubbing method, airblade coating method, lip is coated with known coating processes such as (リ Star プ コ one ト) method, mould Tu Fa and is coated with, make the thickness of completion be generally 5～50 μ m, be preferably 15～30 μ m, by dry under 80～140 ℃, preferred 100～130 ℃ temperature, processing layer is fixed.Usually, implement maturation process after this.For the condition of maturation process, according to the resin that uses and the kind of crosslinking chemical, condition is different, but for this bonding agent, preferably preserves about 1 day～1 week in 25～50 ℃ calibration cell.
Employed in the present invention transparent base is so long as the transparency is high, hinder etc., can tolerate the transparent base as the blooming use, its kind and thickness just are not particularly limited, but the thickness of 10～500 μ m is because operation well can be described as preferred range.Specifically can enumerate macromolecule resin moldings such as polyester system (below be designated as PET), polycarbonate-based, triacetate system, norborene system, acrylic acid series, cellulose-based, polyolefin or carbamate system, in order to absorb and realize the stabilization of the function of internal part, also can use the transparent supporting film that contains the UVA material from the ultraviolet ray of outside.In addition, in order to improve the adaptation with coated film, can implement that Corona discharge Treatment, Cement Composite Treated by Plasma, glow discharge processing, surface roughening are handled, chemicals is handled on the surface of film, the coating of silane coupling agent (ア Application カ one コ one ト drug) and priming paint etc.In addition, transparent base is if having the film of one or more functions in the functions such as for example antireflection, anti-dazzle antireflection, antistatic behaviour, soil resistance, near infrared ray absorbing, electromagnetic wave shielding performance or tone adjustment, then be preferred, when on these films, being provided with neon light absorption bonding coat especially, because can have these functions and the neon light absorpting ability that are endowed simultaneously, so the above-mentioned optical filter that can obtain rational, excellent form is with film and use the plasma panel plate optical filter of this film.
Then, the example that maintains functional transparent supporting film as described above is carried out following explanation, but the present invention is not limited by these examples.
Antireflecting film is the surface of low-refraction agent and resin glue and other adjuvants together being coated transparent supporting films such as PET, thereby suppress film from the reflection of light of outside, or between transparent supporting film and low-index layer, apply hard membrane layer, high refractive index layer, and control and make the reflected light of each layer offset, thereby improved the film of observability; Anti-dazzle antireflecting film is to contain subparticle at the high refractive index layer that makes antireflecting film or other layers, makes the light diffuse reflection from the outside, thereby has further improved the film of observability; ARCTOP series (Asahi Glass Co., Ltd's manufacturing), KAYACOAT ARS series (Nippon Kayaku K. K's manufacturing), KAYACOAT AGRS series (Nippon Kayaku K. K's manufacturing), REALOOK series (Japan Oil Co's manufacturing) etc. not the antireflection film of bonding processing can be used as transparent supporting film, and these films can obtain from the market.
The method of shielding electromagnetic wave has: the superfine wire of metals such as copper is remained on grid type on the transparent base with the such geometric scheme of mesh; And, in scope the very thin films of metal is remained on transparent base or film-type on glass with light transmission.Film-type generally makes near infrared ray that reflection takes place and does not see through, so do not need near infrared ray absorption layer in addition.As other the functional transparent bases that has that use in the present invention, film a kind of or function more than 2 kinds in the functions such as maintaining ultraviolet-absorbing, antistatic behaviour, soil resistance, tone adjustment is arranged, these films can be by carrying out moulding by the adhesive resin composition that contains compound with above-mentioned functions method etc., prepare according to itself known method.
Then, for optical filter of the present invention, with the transparent base inscape that to be provided with the neon light absorping film of the present invention of this bonding coat be minimum, by with this neon light absorping film with have the transparent base of other functions or glass (film or the glass that for example, have near infrared ray and/or electromagnetic wave shielding function) carries out lamination and obtains.Optical filter of the present invention can fit on glass plate or the plastic plate in advance, is installed on the front of plasma display panel (PDP) then, the use of also can directly fitting.
Embodiment
By the following examples the present invention is described more specifically, but the present invention is not subjected to the restriction of such embodiment.Need to prove that in an embodiment, " part " is meant " weight portion ", " % " is meant " weight % ".
The weight-average molecular weight of the bonding agent that uses is measured under the following condition of GPC (gel permeation chromatography) method.
Analytical equipment: clear and electrician makes GPC SYSTEM-21 Shodex
Post: clear and electrician makes KF-803L+KF-803L+KF-803L
Column temperature: 40 ℃
Flow velocity: 1ml/min
Eluent: tetrahydrofuran
Detecting device: differential refractometer
Standard sample: polystyrene
Embodiment 1
The making of＜acrylic resin 〉
In aggregation container, drop into 90 parts butyl acrylate, 9.5 parts methyl acrylate, 0.5 part acrylic acid 2-hydroxy methacrylate, 150 parts ethyl acetate, carry out 1 hour nitrogen replacement under the room temperature., under agitation be warming up to 75 ℃, add 0.02 part AIBN, carry out polymerization in 6 hours, make acrylic ester polymer at 75 ℃ as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,000,000.
The making of＜neon light absorping film 〉
Use the acrylic ester polymer (acrylic resin) of above-mentioned making, with the mixed dissolution equably of each material shown in the following table, obtain coating fluid, with comma coating machine (コ Application マ コ one タ one) this coating fluid is coated on the MRF-38 (trade name, peel off PET film, Mitsubishi Chemical's polyester film manufacturing) with 0.8m/ minute coating speed, make that the thickness of bonding coat is 18 μ m under 110 ℃ baking temperature, thereby form adhesive phase.Then, the mode that forms this adhesive phase with the opposing face at the antireflection face of KAYACOAT ARS-E105-100UV (trade name, antireflecting film, Japanese chemical drug manufacturing) is fitted two films, thereby obtains having the neon light absorping film of antireflection.
＜PDP the making of optical filter 〉
Above-mentioned neon light absorping film is fitted on the film with the metallic multilayer sputtered film that comprises adhesive phase, obtain the PDP optical filter.This filtrator can directly be attached to the front of PDP assembly, also can be attached to as being installed in then on the transparent panel of glass plate and so on before the assembly, gives full play of required performance as the PDP filtrator.
Embodiment 2
The making of＜acrylic resin 〉
In aggregation container, drop into 70 parts 2-EHA, 29.5 parts methyl acrylate, 0.5 part acrylic acid 2-hydroxy methacrylate, 150 parts ethyl acetate, carry out 1 hour nitrogen replacement under the room temperature., under agitation be warming up to 75 ℃, add 0.02 part AIBN, carry out polymerization in 6 hours, make acrylic ester polymer at 75 ℃ as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,050,000.
The making of＜neon light absorping film 〉
Except that the acrylic resin of change embodiment 1, obtain having the neon light absorping film of antireflection by the method identical with embodiment 1.
＜PDP the making of optical filter 〉
Above-mentioned neon light absorping film is fitted on the film of metallic multilayer sputtered film, obtain the PDP optical filter with adhesive phase.This filtrator can directly be attached to the front of PDP assembly, also can be attached to as being installed in then on the transparent panel of glass plate and so on before the assembly, gives full play of required performance as the PDP filtrator.
Embodiment 3
The making of＜acrylic resin 〉
In aggregation container, drop into 90 parts butyl acrylate, 2 parts methyl acrylate, 0.5 part acrylic acid 2-hydroxy methacrylate, 7.5 parts acrylic acid diglycidyl methyl esters, 150 parts ethyl acetate, carry out 1 hour nitrogen replacement under the room temperature., under agitation be warming up to 75 ℃, add 0.02 part AIBN, carry out polymerization in 6 hours, make acrylic ester polymer at 75 ℃ as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,040,000.
The making of＜neon light absorping film 〉
Except that the acrylic resin of change embodiment 1, obtain having the neon light absorping film of antireflection by method similarly to Example 1.
＜PDP the making of optical filter 〉
Above-mentioned neon light absorping film is fitted on the film of metallic multilayer sputtered film, obtain the PDP optical filter with adhesive phase.This filtrator can directly be attached to the front of PDP assembly, also can be attached to as being installed in then on the transparent panel of glass plate and so on before the assembly, gives full play of required performance as the PDP filtrator.
Comparative example 1
The making of＜acrylic resin 〉
In aggregation container, drop into 80 parts butyl acrylate, 18 parts methyl acrylate, 2 parts acrylic acid, 150 parts ethyl acetate, carry out 1 hour nitrogen replacement under the room temperature., under agitation be warming up to 75 ℃, add 0.02 part AIBN, under 75 ℃, carry out polymerization in 6 hours, make acrylic ester polymer as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,000,000.
The making of＜neon light absorping film 〉
Except that the acrylic resin of change embodiment 1, obtain having the neon light absorping film of antireflection by method similarly to Example 1.
Comparative example 2
The making of＜acrylic resin 〉
In aggregation container, drop into 96 parts butyl acrylate, 4 parts acrylic acid, 150 parts ethyl acetate, at room temperature carry out 1 hour nitrogen replacement., under agitation be warming up to 75 ℃, add 0.02 part AIBN, carry out polymerization in 6 hours, make acrylic ester polymer at 75 ℃ as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,090,000.
The making of＜neon light absorping film 〉
Except that the acrylic resin of change embodiment 1, obtain having the neon light absorping film of antireflection by method similarly to Example 1.
Comparative example 3
The making of＜acrylic resin 〉
In aggregation container, drop into 80 parts butyl acrylate, 13 parts methyl acrylate, 2 parts acrylic acid, 5 parts N,N-DMAA, 150 parts ethyl acetate, at room temperature carry out 1 hour nitrogen replacement., under agitation be warming up to 75 ℃, add 0.02 part AIBN, carry out polymerization in 6 hours, make acrylic ester polymer at 75 ℃ as polymerization initiator thereafter.The weight-average molecular weight of this acrylic ester polymer is 1,070,000.
The making of＜neon light absorping film 〉
Except that the acrylic resin of change embodiment 1, obtain having the neon light absorping film of antireflection by method similarly to Example 1.
＜test method 〉
Measure the visible transmitance (Y/%) and the chromaticity coordinate (x, y) of the test piece of each embodiment film and each comparative example film, use carbon arc fadeometer to continue 100 hours irradiation 18kJ/cm 2Energy, thereafter, measure visible transmitance (Y/%) and chromaticity coordinate (x, y) once more.
Measure to use UV-3150 (trade name, spectrophotometer, Shimadzu Seisakusho Ltd. make), visible transmitance (Y/%) and chromaticity coordinate (x, y) are calculated according to the color showing method based on the xyz colour system of JIS Z 8701.
Carbon arc fadeometer uses ultraviolet fadometer tun U48H (manufacturing of SUGA testing machine).
【0038】
The results are shown in table 1 before and after the light fastness test.
Variation before and after table 1 light fastness test
＜result's investigation 〉
For embodiment 1～3, the tone before and after the light fastness test with low uncertainty is even also obtained good result aspect the variation of the neon light absorpting ability under 592nm.For comparative example 1～3, the variation of the tone before and after light fastness test is big, and the variation of neon light absorpting ability is also big.

Claims (6)

1. optical filter film, it is characterized in that, this film is that the single face that the adhesive phase that will be formed by bonding agent is arranged on transparent base forms, this adhesive phase contains the neon optical absorption pigment, described bonding agent comprises cross-linking type acrylic resin and crosslinking chemical, described cross-linking type acrylic resin is with following (a) composition, (b) composition and (c) composition be the amount of 70.1 weight %～99.8 weight % with (a) composition, (b) composition is the amount of 0.1 weight %～10 weight %, (c) composition is that the ratio of the amount of 0.1 weight %～19.9 weight % is carried out copolymerization and obtained, wherein (a)+(b)+(c) is 100 weight %
(a) composition: the carbon number of alkyl is (methyl) alkyl acrylate of 4～12,
(b) composition: can with the hydroxyl monomer of (a) composition copolymerization,
(c) composition: can with (a) composition and (b) other monomers of composition copolymerization.
2. optical filter film as claimed in claim 1 is characterized in that, crosslinking chemical is a blocked isocyanate.
3. optical filter film as claimed in claim 1 or 2, wherein, the neon optical absorption pigment is the tetraazatetradecane porphyrin pigment.
4. as any described optical filter film of claim 1～3, it is characterized in that bonding agent contains the bonding imparting agent that is made of the terpene phenolic resin.
5. as any described optical filter film of claim 1～4, it is characterized in that, at the opposing face of the face with adhesive phase of the transparent base that is provided with adhesive phase, lamination has the one deck at least that is selected from hard membrane layer, conductive layer, antiglare layer and the anti-reflecting layer.
6. plasma panel plate optical filter, it is characterized in that this optical filter is to form with film having shielding near infrared ray and/or the film of electromagnetic function or any described optical filter of lamination claim 1～5 on glass.
CN2010800039213A 2009-01-30 2010-01-18 Film for optical filter and optical filter comprising same for plasma display panel Pending CN102272639A (en)

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CN102721991A (en) * 2012-07-03 2012-10-10 四川世创达电子科技有限公司 Direct-pasting film
CN109694655A (en) * 2017-10-24 2019-04-30 琳得科株式会社 Adhesive sheet and display body

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JP5699529B2 (en) * 2010-10-22 2015-04-15 日油株式会社 Film for 3D display

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JPH04212498A (en) * 1990-03-24 1992-08-04 Canon Inc Conductive adhesive member, preparation of the same, and conductive component/electronic equipment using the same
JP2006196737A (en) * 2005-01-14 2006-07-27 Dainippon Printing Co Ltd Light transparent electromagnetic wave shield sheet
JP2007266239A (en) * 2006-03-28 2007-10-11 Dainippon Printing Co Ltd Method of manufacturing sheet-like composite filter for plasma display and sheet-like composite filter for plasma display
WO2008020578A1 (en) * 2006-08-18 2008-02-21 Dai Nippon Printing Co., Ltd. Front filter for plasma display, and plasma display
JP2008182145A (en) * 2007-01-26 2008-08-07 Dainippon Printing Co Ltd Sheet shape composite filter for plasma display, and its manufacturing method
JP2008209575A (en) * 2007-02-26 2008-09-11 Fujimori Kogyo Co Ltd Optical filter for display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721991A (en) * 2012-07-03 2012-10-10 四川世创达电子科技有限公司 Direct-pasting film
CN102721991B (en) * 2012-07-03 2015-11-11 四川世创达电子科技有限公司 Straight pad pasting
CN109694655A (en) * 2017-10-24 2019-04-30 琳得科株式会社 Adhesive sheet and display body

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Application publication date: 20111207