WO2004000920A1 - 積層フィルム - Google Patents
積層フィルム Download PDFInfo
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- WO2004000920A1 WO2004000920A1 PCT/JP2003/007925 JP0307925W WO2004000920A1 WO 2004000920 A1 WO2004000920 A1 WO 2004000920A1 JP 0307925 W JP0307925 W JP 0307925W WO 2004000920 A1 WO2004000920 A1 WO 2004000920A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
- C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Definitions
- the present invention relates to a laminated film made of polyethylene naphthalenedicarboxylate. More specifically, the present invention relates to a laminated film made of polyethylene naphthalenedicarboxylate, which is excellent in transparency and hue and generates little oligomer when heated. Background art
- Polyester films especially polyethylene terephthalate and polyethylene naphtha bicarboxylate biaxially stretched films have excellent mechanical properties, heat resistance, and chemical resistance, so magnetic tapes, ferromagnetic thin film tapes, photographic films, It has been proposed as a material for packaging films, films for electronic components, films for electrical insulation, films for metal lamination, films to be attached to the surface of glass displays, etc., and films for protecting various members (see Patent Document 1).
- polymer films used in display applications represented by the above include a gas barrier layer, a conductor layer, a semiconductor layer, a light-emitting layer, and the like, which are laminated depending on the application.
- methods such as vapor deposition, ion plating, sputtering, and plasma CDV are used.
- the film is exposed to a fairly high temperature, although there are some differences depending on the method, and oligomers, which are low molecular substances existing in the film, are precipitated and the transparency is impaired.
- problems such as a complicated process for removing the generated oligomer.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-273844
- Patent Document 2 Japanese Patent Application Laid-Open No. 2001-138465
- Patent Document 3 Japanese Patent Application Laid-Open No. 2002-80621 Disclosure of the Invention
- An object of the present invention is to solve the problems of the prior art, and to provide a film having excellent impact resistance, transparency, and hue, and having little oligomer generation in a process. That is, the present invention provides a laminated film comprising a base material layer and a coating layer provided on at least one surface thereof,
- the base material layer is made of polyethylene naphthalenedicarboxylate, is an oriented film having an intrinsic viscosity of 0.45 to 0.70 d 1 / g,
- the haze of the laminated film is 0.5% or less per 100 of the film thickness, and both the a * value and the b * value in the L * a * b * color system are 1 to 2 per 100 m of the film thickness by the transmission measurement method. 0 to +2.0 and a plane orientation coefficient of 0.15 to 0.30.
- the present invention is a laminated film in which a functional layer is provided on the laminated film, wherein the functional layer is at least one type selected from the group consisting of a coated layer, a gas barrier layer, and a conductive layer. Film.
- the present invention also provides an EL display substrate comprising the laminated film, Substrates for substrates and solar cell substrates.
- the present invention includes the use of the laminated film for a substrate for EL display, a substrate for electronic paper, or a substrate for a solar cell.
- the present invention is a method for producing the laminated film
- a coating layer is provided on the unstretched film and then stretched in the continuous film forming direction (MD direction), or the unstretched film is stretched in the MD direction, and a coating layer is provided.
- MD direction continuous film forming direction
- a coating layer is provided.
- FIG. 1 is a diagram showing an impact resistance test apparatus.
- the main dicarboxylic acid component is naphthalenedicarboxylic acid
- the main glycol component is ethylenic alcohol
- naphthalenedicarboxylic acid examples include 2,6-naphthalenedicarboxylic acid, 2,7-naphthalenedicarboxylic acid, and 1,5-naphthalenedicarboxylic acid. Of these, 2,6-naphthalenedicarboxylic acid is preferred.
- main means at least 90 mol%, preferably at least 95 mol% of all repeating units in the constituent components of the polymer which is a component of the film of the present invention.
- a compound having two ester-forming functional groups in the molecule can be used as a copolymer component constituting the copolymer.
- examples of such a compound include oxalic acid, adipic acid, phthalic acid, and sebacic acid.
- Dodecanedicarboxylic acid isophthalic acid, terephthalic acid, 1,4-cyclohexanedicarboxylic acid, 4,4'-diphenyldicarboxylic acid, phenylindanedicarboxylic acid, 2,7-naphthylenedicarboxylic acid, tetralindicarboxylic acid Acid, dicarboxylic acid such as decalin dicarboxylic acid, diphenyl ether dicarboxylic acid, etc., oxycarboxylic acid such as p-oxybenzoic acid, p-oxetoxybenzoic acid, or propylene daricol, trimethylene glycol, tetramethylene glycol , Hexamethylene glycol, shik Dihydric alcohols such as rohexanemethylene glycol, neopentylglycol, ethylene oxide adduct of bisphenolsulfone, ethyleneoxide adduct of bisphenol A, di
- Preferred acid components among these are isophthalic acid, terephthalic acid, 4,4'-diphenyldicarboxylic acid, 2,7-naphthylenedicarboxylic acid, and p-oxybenzoic acid, and as the glycol component Is an ethylene oxide adduct of trimethylene glycol, hexamethylene dalicol, neopentyl dalicol, and bisphenol sulfone.
- the polyethylene naphthalene dioxyl propylate is obtained by blocking some or all of the terminal hydroxyl groups and / or carboxyl groups with a monofunctional conjugate such as benzoic acid or methoxypolyalkylene dalycol.
- a tri- or higher-functional ester-forming compound such as glycerin, pentaerythritol or the like, which is copolymerized within a range where a substantially linear polymer can be obtained. You may use it.
- the polyester in the present invention is obtained, for example, by a method of directly obtaining a low-polymerization degree polyester by a reaction of a dicarboxylic acid and a glycol, or by reacting a lower alkyl ester of a dicarboxylic acid with daricol using a transesterification catalyst, followed by a polymerization catalyst.
- Examples of the catalyst used for the transesterification reaction include compounds containing sodium, potassium, magnesium, calcium, zinc, strontium, titanium, zirconium, manganese, cobalt, and the like. Among these, cobalt is included. It is preferable to use a compound of one or more elements from the viewpoint of obtaining a good hue when formed into a film.
- cobalt compound examples include oxides, chlorides, carbonates, carboxylate salts and the like, but carboxylate salts, particularly acetate salts, are preferred.
- a preferable addition amount of the cobalt compound is 2 to 80 ppm, more preferably 4 to 60 ppm, and particularly preferably 8 to 40 ppm in terms of a weight fraction of the elemental cobalt with respect to the polyethylene naphthalenedicarboxylate. . If the amount of cobalt is less than 2 ppm, the hue tends to be yellowish, and if it exceeds 80 ppm, transparency may be reduced.
- Compounds that are preferably used in combination with the cobalt compound include compounds such as magnesium, calcium, and manganese.
- the manganese compound is a catalyst that maintains a good hue and promotes the transesterification reaction. Particularly preferred.
- the manganese compound examples include oxides, chlorides, carbonates, carboxylate salts and the like, but carboxylate salts, particularly acetate salts, are preferred.
- the added amount of the manganese compound is preferably from 20 to 120 ppm, more preferably from 30 to 100 ppm, particularly preferably from 40 to 80 ppm in terms of a weight fraction of the manganese element to the film. If the amount of the manganese compound is less than 20 ppm by weight of the manganese element relative to the film, the transesterification reaction tends to be insufficient, while if it exceeds 120 ppm, the transparency may be impaired. It is not preferable because there is.
- Phosphorus compounds such as trimethyl phosphate, triethyl phosphate, tri-n-butyl phosphate and orthophosphoric acid are usually added for the purpose of inactivating the medium, but polyethylene naphthylene dicarboxy as a phosphorus element is added.
- the content in the rate is preferably from 20 to 100 ppm from the viewpoint of the thermal stability of the polyester. More preferred amounts are 30-90 ppm, 40-80 ppm.
- the amount of the phosphorus compound to be added is preferably in the range of 0.7 to 2.0 in molar ratio with respect to the total amount of the transesterification catalyst added.
- a more preferable molar ratio of the added amount is 0.8 to 1.9, more preferably 0.9 to 1.8, and particularly preferably 1.0 to 1.7.
- the polymerization catalyst examples include antimony compounds such as antimony trioxide and antimony pentoxide, germanium compounds typified by germanium dioxide, tetraethyl titanate, tetrapropyl titanate, tetraphenyl titanate and partial hydrolysis thereof.
- antimony compounds such as antimony trioxide and antimony pentoxide
- germanium compounds typified by germanium dioxide, tetraethyl titanate, tetrapropyl titanate, tetraphenyl titanate and partial hydrolysis thereof.
- titanium compounds such as titanyl ammonium oxalate, potassium titanyl oxalate, and titanium trisacetyl acetate, but an antimony compound is preferable to obtain a film having a good hue, and in particular, trioxide. Antimony is preferred.
- the preferable addition amount of the antimony compound is 50 to 400 ppm, more preferably 60 to 300 ppm, particularly preferably 70 to 200 ppm in terms of the weight ratio of the element of the antimony to the film. If the amount of antimony is less than 50 ppm, the polymerization rate tends to be extremely slow, and if it exceeds 400 ppm, transparency may be reduced.
- the transesterification catalyst should be at the beginning of the transesterification reaction, the stabilizer should be at the end of the transesterification reaction substantially, and the polymerization catalyst should be at least 10 minutes before adding the stabilizer. It is preferred to add.
- the polyester is preferably formed into chips after melt polymerization, and further subjected to solid-phase polymerization under reduced pressure under heating or in an inert gas stream such as nitrogen, because it is possible to prevent coloring due to thermal deterioration during polymerization.
- the intrinsic viscosity is 0.40 to 0.60 dl /
- the process of solid-state polymerization of the intrinsic viscosity of 0.46 to 0.75 dlZg after the melt-polymerized polymer is turned into chips until the g is reached is a processing process that maintains good hue and requires high temperature. From the viewpoint of suppressing the generation of oligomers.
- the polyethylene naphthalenedicarboxylate in the present invention can also contain a coloring agent, an antistatic agent, an antioxidant, an organic lubricant and the like.
- the laminated film of the present invention is prepared by melting the above-mentioned polymer by heat, extruding it from a die into a rotating metal roll or the like, and quenching the resulting unstretched film in a continuous film forming direction (MD direction) and a continuous film forming direction as described later. It can be manufactured by stretching in the direction perpendicular to the film forming direction (the TD direction) and performing heat setting.
- the intrinsic viscosity of the oriented film constituting the base layer is 0.45 to 0.70 dlZg.
- a film having an intrinsic viscosity of less than 0.45 dLZg tends to be crystallized during the film forming process, so that microcrystals are easily formed in the film, which scatters light and deteriorates the hue.
- a film having an intrinsic viscosity of less than 0.45 dlZg tends to be broken during the film forming process, and the impact resistance tends to be reduced.
- melt extrusion will be difficult due to the high melt viscosity of the polymer, resulting in low productivity and high cost.
- the intrinsic viscosity of the oriented film is measured at a temperature of 35 ° C by dissolving 0.3 g of the base material layer in 25 ml of o-chlorophenol solution after removing the coating layer from the laminated film.
- the coating layer and the like can be removed with a razor, a file, or the like.
- the haze per 100 / xm thickness of the laminated film of the present invention is 0.5% or less. If it exceeds 0.5%, transparency will be lacking and visibility in a display will be deteriorated, and photoelectric conversion efficiency will be reduced in a solar cell. 1
- the haze per 00 m is more preferably 0.45% or less, particularly preferably 0.4% or less.
- the laminated film of the present invention has an a * value and a b * value in the L * a * b * color system of 12 to 12 per 100 m of the film thickness when measured by the transmission measurement method. is there. If this value is less than 12 or more than +2, the color tone of the film deviates greatly from the achromatic color, and the color reproducibility of the display becomes poor.
- This value is more preferably from 1.1 to 10.18, particularly preferably from 1.6 to +1.6.
- the a * value and the b * value per 10 O ⁇ m of the film thickness of the laminated film of the present invention are in the range of ⁇ 0.5 to +0.5 in the reflection measurement method, external light is irradiated. It is preferable from the viewpoint of color reproducibility at the time.
- This value is more preferably from 0.4 to 10.4, still more preferably from 0.3 to 10.3, and particularly preferably from 0.2 to +0.2.
- the laminated film of the present invention has a plane orientation coefficient of 0.15 to 0.30. If the plane orientation coefficient is smaller than 0.15, sufficient impact resistance cannot be obtained, and if it is larger than 0.30, it tends to break during film production and it is difficult to obtain a stable quality film. It is.
- a more preferred plane orientation coefficient is 0.18 to 0.29, further preferably 0.21 to 0.28, and particularly preferably 0.24 to 0.27.
- the dimensional change in the continuous film forming direction (MD direction) of the film is preferably 12 to 12% under a load of 140 g / mm 2 at a temperature of 200 ° C.
- a more preferable dimensional change rate is 1 to 1.5 to 1.5%, more preferably -1. 0 to + 1.0%, particularly preferably -0.5 to 100.5%.
- the plane orientation coefficient and the dimensional change ratio can be set within predetermined ranges by adjusting the degree of polymerization of the polymer as described above and adjusting the stretching temperature, stretching ratio, and heat setting temperature of the film.
- the laminated film of the present invention has a surface after heating at 200 ° C. for 30 minutes, and the number of oligomers in an area of 0.24 mm 2 is preferably 2,000 or less, More preferably, the number is 100 or less.
- the number of oligomers was determined by heating the film in an oven at 200 ° C for 30 minutes, removing the film, depositing aluminum on the surface, and observing an area of 0.24 mm 2 at 64 ⁇ magnification using a differential interference microscope. And count the number of precipitated oligomers.
- the laminated film of the present invention has a coating layer on at least one surface thereof for the purpose of improving easy adhesion to a functional layer described later and improving the smoothness of the film itself.
- the coating layer is preferably made of at least one water-soluble or water-dispersible polymer resin selected from the group consisting of a polyester resin, a urethane resin, an acrylic resin, and a vinyl resin, and particularly contains both a polyester resin and an acryl resin. Is preferred.
- the polyester resin of the coating layer preferably has a glass transition point (Tg) of 0 to 100 ° C, more preferably 10 to 90 ° C.
- Tg glass transition point
- the polyester resin is preferably a water-soluble or dispersible polyester, but may contain some organic solvent.
- polyester resins are composed of the following polybasic acids or their ester-forming derivatives and polyols or their ester-forming derivatives.
- polybasic acid components include terephthalic acid, isophthalic acid, phthalic acid, anhydrous phthalic acid, 2,6-naphthalenedicarbonic acid, 1,4-cyclohexanedicarbonic acid, adipic acid, sebacic acid, trimellitic acid , Pyromellitic acid, dimeric acid, 5-sodium sulfoisophthalic acid and the like.
- a copolymerized polyester resin is synthesized using two or more of these acid components.
- a small amount of unsaturated polybase Hydroxycarboxylic acids such as maleic acid, itaconic acid and the like and p-hydroxybenzoic acid and the like can be used.
- the polyol components include ethylene glycol, 1,4-butanediol, diethylene glycol, dipropylene glycol, 1,6-hexanediol, 1,4-cyclohexanol, xylene diol, dimethylol propane And poly (ethylene oxide) glycol, poly (tetramethylene oxide) glycol, bisphenol A, and ethylene oxide or propylene oxide adduct of bisphenol A.
- these monomers are exemplified, but not limited thereto.
- the acrylic resin of the coating layer used in the present invention preferably has a glass transition point (T g) of ⁇ 50 to 50 ° C., more preferably 150 to 25 ° C.
- T g glass transition point
- the acrylic resin is preferably acryl which is soluble or dispersible in water, but may contain some organic solvent.
- Such an acrylic resin can be copolymerized from the following acrylic monomers.
- the acrylic monomers include alkyl acrylate, alkyl methacrylate (alkyl groups include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, 2-butyl Glycidyl, such as 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, and 2-hydroxypropyl methacrylate; glycidyl Epoxy group-containing monomers such as acrylate, glycidyl methacrylate, and arylglycidyl ether; acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, styrenesulfonic acid and salts thereof (sodium salt) , Potassium salt, ammonium salt, Tertiary amine salts, etc.) or a monomer containing a sulfonic acid group or
- the composition used in the present invention is preferably used in the form of an aqueous coating solution such as an aqueous solution, an aqueous dispersion, or an emulsion to form a coating.
- an aqueous coating solution such as an aqueous solution, an aqueous dispersion, or an emulsion to form a coating.
- a resin other than the above-mentioned composition for example, a polymer having an oxazoline group, a cross-linking agent such as melamine, epoxy, and aziridine, an antistatic agent, a coloring agent, and a surfactant , UV absorbers, lubricants (filaments, waxes), surfactants, etc. can be added.
- a lubricant can further improve the lubricity and blocking resistance.
- the solid content concentration of the aqueous coating solution is usually 20% by weight or less, and preferably 1 to 10% by weight. If the proportion is less than 1% by weight, the coatability on the polyester film is insufficient, while if it exceeds 20% by weight, the stability and appearance of the coating may be deteriorated.
- the thickness of the coating layer is preferably from 0.01 to 0.2 m.
- the thickness of the coating layer is more preferably from 0.01 to 0.1 m, even more preferably from 0.02 to 0.1 m.
- the thickness of the laminated film is determined by To obtain the strength required when used as a support film for electromagnetic wave shield films for plasma, display panels (PDPs), organic EL, electronic paper, solar cells, etc., and to some extent bendable. Therefore, it is preferable that the length is 12 to 500 m.
- the thickness of the laminated film is more preferably 16 to 400 m, still more preferably 25 to 350 m, and particularly preferably 50 to 250 / xm.
- the laminated film of the present invention is preferably
- the transesterification reaction is preferably carried out in the presence of a cobalt element having a weight fraction of 2 to 80 ppm, more preferably 4 to 60 ppm, particularly preferably 8 to 40 ppm, based on polyethylene naphthalenedicarboxylate.
- a melt polymerization reaction is carried out until the intrinsic viscosity reaches 0.40 to 0.60 dl / g, and then the chip is squeezed to obtain an intrinsic viscosity of 0. It is preferable to carry out the solid-phase polymerization reaction until the concentration reaches 46 to 0.75 dlZg.
- the intrinsic viscosity can be adjusted by drying the chips obtained by melt polymerization under vacuum and heating to a desired intrinsic viscosity at a temperature of 200 to 250 ° C under vacuum or in the presence of an inert gas. It is. Melting such chips When a film is formed into a film, the intrinsic viscosity slightly decreases.
- the preferred stretching temperature of the film is Tg-20 ° C to Tg + 60 ° C, more preferably Tg-10 to T + 50, more preferably Tg to Tg, where the glass transition temperature of the polymer is Tg (° C). + 40 ° C, particularly preferably Tg + 5 ° C to Tg + 30 ° C.
- the preferred stretching ratio is 2.0 to 5.0 times in both the continuous film forming direction (MD direction) and the direction perpendicular to the continuous film forming direction (TD direction) in the film to be continuously formed. Is less than 1.0 times.
- the stretching ratio is more preferably 2.5 to 4.5 times, further preferably 2.8 to 4.3 times, and particularly preferably 3.0 to 4.0 times.
- the preferred heat setting temperature is Tm-10 when the melting point of the polymer is Tm CO. Ding! ! ! ⁇ ⁇ : Yes.
- a more preferred heat setting temperature is Tm-80 ° C to Tm-10 ° C, further preferably Tm-60 ° C to Tm-10 ° C, particularly preferably Tm-40 ° C to Tm-10 ° C. .
- the laminated film in the present invention can be produced by heat treatment after heat setting, in which case the heat treatment is carried out at a temperature of (X ⁇ 80) to X ° C. of the film to produce a continuous film. It is also possible to relax in the direction of continuous film formation or in the direction perpendicular thereto in the film to be coated.
- X represents the heat setting temperature.
- the both ends of the film are cut off in the middle of the heat fixing zone until the film is wound around the roll after the heat fixing, and the film is supplied at a speed corresponding to the film supply speed.
- a method of reducing the take-off speed a method of heating with an IR heater between two transport rolls having different speeds, a method of transporting a film on a heated transport roll and reducing the speed of the transport roll after the heating transport port After heat-fixing, the film is conveyed over a nozzle that blows out hot air while the take-up speed is slower than the supply speed.
- Conveying and reducing the speed of the conveying roll, or heating zone while conveying in heating oven or heating zone by IR heater There is a method of reducing the subsequent roll speed from the roll speed before the heating zone.Either method may be used, and the reduction rate of the take-up side speed to the supply side speed is set to 0.1 to 10%. It is preferable to perform relaxation treatment.
- the relaxation treatment in the direction perpendicular to the continuous film forming direction can be achieved as a result of the above-described relaxation treatment in the continuous film forming direction because no force is applied in the vertical direction.
- This can be achieved by reducing the width of the tenter at the heat-fixing outlet in the range of 0.01 to 10% of the width at the heat-fixing inlet when heat-setting.
- the coating layer can be firmly provided on the film by applying an aqueous coating solution to an unstretched film or a uniaxially stretched film, and then stretching the film in two or one direction and heat fixing.
- a coating method a roll coating method, a gravure coating method, a roll brushing method, a spray method, an air-knife coating method, an impregnation method, a curtain coating method, or the like can be used alone or in combination.
- a hard coat layer as a functional layer on at least one side of the laminated film in the present invention.
- the hard coat layer is preferably provided on the coating layer side. This can improve the film's ability to prevent damage.
- a hard coat layer is not particularly limited as long as it is a curable resin having high chemical resistance and scratch resistance. Examples of such a curable shelf include an ionizing radiation curable resin, a thermosetting resin, a thermoplastic resin, and the like.
- the film is easily formed on a transparent substrate film and has a pencil hardness. Is an ionizing radiation-curable resin that is easily increased to a desired value.
- the ionizing radiation-curable resin used for forming the hard coat layer a resin having an acrylate-based functional group is preferable, and polyester acrylate or polyethylene acrylate is particularly preferable.
- the polyester acrylate is composed of an acrylate and a Z or a methacrylate of a polyester-based polyol (hereinafter, may be referred to as (meth) acrylate including acrylate and methyl acrylate). Further, the urethane acrylate is formed into a diisocyanate with a polyiodine conjugate. It is composed of an oligomer of the compound acrylated.
- the monomers constituting acrylate include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, methoxyethyl (meth) acrylate, butoxysethyl (meth) acrylate , Phenyl (meth) acrylate and the like.
- a polyfunctional monomer can be used in combination.
- Specific multifunctional monomers include, for example, trimethylol pulp tri (meth) acrylate, hexanediol (meth) acrylate, tripropylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, pentaerythritol Examples thereof include tri (meth) acrylate, dipentyl erythritolhexa (meth) acrylate, 1,6-hexanediol di (meth) acrylate, and neopentyldarichol di (meth) acrylate.
- Polyester oligomers used for forming the hard coat layer include adipic acid and dalicol (ethylene glycol, polyethylene glycol, propylene glycol, butylene glycol, polybutylene glycol, etc.), triols (glycerin, trimethylolpropane, etc.), Examples thereof include polyadenyltriol, which is a condensation product of sebacic acid with glycol or triol, and polysebacitol topol. Note that some or all of the aliphatic dicarboxylic acids may be substituted with other organic acids. In this case, as the other organic acid, isophthalic acid, terephthalic acid, phthalic anhydride, or the like is preferable because a high hardness is exhibited in the hard coat layer.
- the polyolefin resin used for forming the hard coat layer can be obtained from a condensation product of a polyisocyanate and a polyol.
- Specific polyisocyanates include methylene'bis (p-phenylenediisocyanate), hexamethylene diisocyanate / adduct of hexanetriol, hexamethylene diisocyanate, tolylene diisocyanate, Adduct of tolylene diisocyanate trimethylolpropane, 1,5-naphthylene diisocyanate, chip Mouth pildiisocyanate, ethylbenzene 1,2,4-diisocyanate, 2,4—tolylene diisocyanate dimer, hydrogenated xylylene diisocyanate, tris (4-phenylisocyanate) thiophosphate, etc.
- polyester-based polyols such as polyoxytetramethylene glycol
- polyester-based polyols such as polyadipate polyol and polycarbonate polyol
- acrylates and hydroxyethyl methyl acrylate Copolymers and the like can be exemplified.
- an ultraviolet-curable resin when used as the ionizing radiation-curable resin, an acetophenone, a benzophenone, a mifibenzyl benzoate, a hyaminic oxime ester or a thioxanthone may be used in these resins.
- the polymerization initiator it is preferable to use a mixture of n-butylamine, triethylamine, tri-n-butylphosphine and the like as a photosensitizer.
- urethane acrylate is rich in elasticity and flexibility, and has excellent workability and bendability, but its surface hardness is insufficient, and it is difficult to obtain a urethane acrylate having a pencil hardness of 2H or more.
- polyester acrylate can form a hard coat layer with extremely high hardness by selecting the constituent components of polyester. Therefore, since it is easy to achieve both high hardness and flexibility, a hard coat layer in which 40 to 10 parts by weight of polyester acrylate is blended with 60 to 90 parts by weight of urethane acrylate. preferable.
- the coating liquid used to form the hard coat layer includes inert fine particles having a secondary particle size of 20 ⁇ m or less for the purpose of adjusting gloss and imparting surface slip, to a resin. It is preferable to add 0.3 to 3 parts by weight based on 100 parts by weight of the component. When the amount is less than 0.3 part by weight, the effect of improving the slipperiness is poor. On the other hand, when the amount exceeds 3 parts by weight, the pencil hardness of the obtained hard coat layer may decrease.
- Inert fine particles to be added to the coating liquid include inorganic fine particles such as silica, magnesium carbonate, aluminum hydroxide, and barium sulfate, as well as polyacrylonitrile, acrylic resin, polyimide, polyimide, polyethylene naphthalate, and melamine resin. Fine particles of the organic polymer can be exemplified.
- the hard coat layer may contain an ultraviolet absorber. This can prevent the base material layer and the colorant (especially dye-based) from being deteriorated by ultraviolet rays, and can maintain the visibility and explosion-proof property for a long time.
- the type of the ultraviolet absorber is not specified, but is preferably selected from the specific cyclic imino esters described above.
- the addition amount is preferably 0.1 to 10% by weight based on the resin forming the hard coat layer. If it is less than 0.1% by weight, the effect of preventing ultraviolet light deterioration is small, and if it exceeds 10% by weight, abrasion resistance and scratch resistance may decrease.
- the addition method is preferably used by dispersing in a solvent.
- the coating method for forming the hard coat layer can be selected from conventional methods known per se, such as roll coating, gravure coating, bar coating, extrusion coating, etc., according to the properties and coating amount of the coating liquid. Good.
- the thickness of the hard coat layer is preferably in the range of l to 15 xm.
- the solid content concentration of the coating liquid is preferably 30 to 70% by weight, more preferably 40 to 60% by weight.
- the hard coat layer is preferably provided on one side or both sides of the laminated film. Further, a functional layer such as a gas barrier layer or a conductive layer may be provided on the surface opposite to the hard coat layer or on the hard coat layer.
- the gas barrier layer can be provided on any of the substrate layer, the coating layer, and the hard coat layer.
- Examples of the gas barrier layer include an organic material-based material and an inorganic material-based material.
- the organic material-based gas barrier layer includes polyvinyl alcohol, vinyl alcohol copolymer such as vinyl alcohol ethylene copolymer, polyacrylonitrile, acrylonitrile methyl acrylate copolymer and acrylonitrile styrene copolymer.
- a layer made of an acrylonitrile copolymer such as a polymer or an organic polymer material such as polyvinylidene chloride can be used.
- These materials can be used as a gas barrier layer on the polyester of the present invention by a wet coating method using a gravure coater or a reverse coater.
- a polyvinyl-based barrier layer is used, the oxygen barrier property is apt to decrease rapidly due to P moisture. Is preferably formed.
- the inorganic material-based gas barrier layer examples include metal oxides and metal nitrides containing one or more metals selected from the group consisting of silicon, aluminum, magnesium, and zinc as main components. These are known as materials having excellent gas barrier properties.
- the layers of these oxide films can be formed by vapor deposition such as sputtering, vacuum deposition, ion plating, or plasma CVD, which deposits materials from a gas phase to form a film. .
- silicon oxide having a ratio of the number of oxygen atoms to the number of silicon atoms of 1.5 to 2.0 is mainly used in terms of gas barrier properties, transparency, surface smoothness, flexibility, film stress, cost, and the like. Metal oxides are good.
- the ratio of the number of oxygen atoms to the number of silicon atoms in the silicon oxide is analyzed and determined by X-ray photoelectron spectroscopy, X-ray microspectroscopy, Auger electron spectroscopy, Rutherford backscattering, or the like. When this ratio is smaller than 1.5, the flexibility and the transparency are reduced. Therefore, the ratio is preferably 1.5 to 2.0.
- the thickness of the inorganic gas barrier layer made of a metal oxide is preferably in the range of 5 to 200 nm.
- the thickness is less than 5 nm, it is difficult to form a uniform film, and a portion where the film is not formed occurs, and gas penetrates from this portion, and the gas barrier property deteriorates.
- the thickness is more than 200 nm, not only lack of transparency but also poor flexibility, cracks may occur and gas barrier properties may be impaired.
- the residual stress of the metal oxide layer generally increases as the thickness of the metal oxide increases. The substrate is not preferable because the curl after forming the metal oxide layer is increased.
- the above silicon oxide which contains magnesium fluoride in an amount of 5 to 30% by weight based on the total weight.
- the thickness is preferably in the range of 60 to 200 nm from the viewpoint of gas barrier properties.
- gas barrier layers may be used as a single layer, or a plurality of layers may be used in combination.
- an organic gas barrier layer and an inorganic gas barrier layer are used in combination, the excellent resistance of the organic gas barrier to cracks in the gas barrier layer and especially the excellent resistance of the inorganic gas barrier layer to water vapor have a synergistic effect.
- Preferred combination It is.
- anchor layers may be formed between the laminated film and the gas barrier layer for the purpose of strengthening the adhesion between these layers.
- Such an anchor layer must have chemical resistance, transparency, and good interlayer adhesion.
- a silicon-containing resin a thermosetting resin such as an epoxy resin, a radiation-curable resin such as an ultraviolet-curable acryl shell. Resins, melamine resins, urethane resins, alkyd resins and the like can be mentioned.
- the configuration of the laminated film with a barrier layer is not particularly limited, but a configuration in which the laminated film is laminated on one or both surfaces, a configuration in which the laminated film with a hard coat is laminated on the hard coat surface, and a configuration in which the laminated film is laminated on the opposite surface Configuration and the like. Further, a structure including a functional layer such as a conductive layer and an anchor layer may be used.
- a conductive layer as a functional layer can be placed on the substrate layer, coating layer, hard coat layer, or gas barrier layer. Is preferably provided.
- the conductive layer is not particularly limited as long as it is excellent in transparency and conductivity.
- a conductive layer examples include, for example, tin, tellurium, cadmium, molybdenum, tungsten, fluorine, and the like, indium oxide, oxidized dome, tin oxide, zinc oxide with aluminum added as an impurity, A metal oxide film such as titanium oxide may be used. Above all, a thin film of indium tin oxide (IT ⁇ ) containing 2 to 15% by weight of tin oxide is preferable because of its excellent transparency and conductivity.
- IT ⁇ indium tin oxide
- the thickness of the conductive layer is set according to the desired surface resistance.
- the surface resistance of the conductive layer is set according to the purpose from 300 ⁇ / port to 1 ⁇ / port, and the film thickness is usually formed from 1 O nm to about 40 O nm.
- the conductive layer be made thin to prevent the conductive layer from cracking due to the bending stress of the substrate. 140 nm is particularly preferred. In order to obtain a low resistance value, it is preferable to perform heat treatment at a temperature of 130 to 200 ° C.
- the configuration of the electrode layer is not particularly limited, a configuration of laminating on at least one side of the substrate layer, a configuration of laminating on at least one side of the laminated film with the hard coat, a configuration of laminating on at least one side of the laminated film with the gas barrier layer, and the like are given. Can be Further, a structure including other functional layers may be used.
- the laminated film of the present invention, the laminated film with a hard coat layer, the laminated film with a gas barrier layer, and the laminated film with a conductive layer can be used for a diffusion plate of a liquid crystal display, for example, by utilizing its good hue, transparency, and resistance to cracking. It can be preferably used as a film, an antireflection film, an organic EL, electronic paper, a touch panel, an electromagnetic wave shielding film for a PDP, a substrate for a solar cell, or a window.
- Example 1 An antireflection film, an organic EL, electronic paper, a touch panel, an electromagnetic wave shielding film for a PDP, a substrate for a solar cell, or a window.
- the thickness of the sample film was measured using an electronic micrometer (trade name “K-13A Model” manufactured by Anritsu Corporation) at a pressure of 30 g.
- the total light transmittance Tt (%) and the diffuse transmittance Td (%) of the sample film were measured in accordance with JIS K 7105-1981. And the haze H Z (%) of the sample film is
- ⁇ , a + [bZ ( ⁇ ; ) 2 ] + [c / ( ⁇ ( ) 4 ]
- the constants a, b, and c are found by solving the simultaneous equations. Using the obtained values of a, b, and c, the refractive index at a wavelength of 589 nm (the wavelength of the NaD line) is calculated and used as the refractive index of the film.
- the plane orientation coefficient nS is calculated by the following equation.
- n S (nMD + nTD) / 2—nZ
- TMAZSS 120C manufactured by Seiko Instruments Inc.
- the temperature was increased from 30 to 250 ° C at a heating rate of 20 ° CZ under a load of 140 g / mm 2 .
- the dimensional change was measured.
- the value obtained by the following equation was defined as the dimensional change rate at 200 ° C.
- Samples are sampled at 2 Omg, and the glass transition degree and melting point are measured using a differential scanning calorimeter (trade name: “DSC 2920”, manufactured by TA Instruments) at a heating rate of 20 ° CZ.
- DSC 2920 differential scanning calorimeter
- Intrinsic viscosity ([;?] D 1 / g) of the polymer was measured with o-chlorophenol solution at 35 ° C.
- the intrinsic viscosity of the oriented film of the substrate layer was measured by the same method after removing the coating layer.
- a small piece of the film is embedded in epoxy resin (trade name “Epomant” manufactured by Refinetech Co., Ltd.), and embedded resin is used with Microcome 2 050 manufactured by Rei che rt—Jung.
- the slice was sliced to a thickness of 5 Onm, and 100 particles were observed with a transmission electron microscope (LEM-2000) at an acceleration voltage of 100 kV and a magnification of 100,000, and the average value was used as the particle diameter.
- Fig. 1 is a weight (300 g or 500 g in weight)
- 2 is a U-shaped punch (4 mm in diameter at the end, 142 g in mass)
- 3 is a sample film fixing jig
- 4 is a sample film.
- the value of m in FIG. 1 Only the weight of 1 was used.
- transesterification catalyst 100 parts by weight of dimethyl naphthylene 2,6-dicarbonate and 60 parts by weight of ethylene glycol were used as a transesterification catalyst, using 0.01 parts by weight of a 47 salt of cobalt acetate and 0.02 parts by weight of manganese acetate.
- the transesterification reaction was performed according to the method, 1.2 parts by weight of a 1% solution of antimony trioxide in ethylene glycol was added, and then 0.029 parts by weight of trimethyl phosphate was added to terminate the transesterification reaction.
- Table 1 shows the amount of catalyst added to polyethylene naphthalenedicarboxylate.
- a polycondensation reaction was performed under high temperature and high vacuum as usual, after which a strand type chip was obtained. The intrinsic viscosity of this polymer was 0.49 dl / g.
- Polymer A was subjected to solid-phase polymerization to obtain Polymer B having an intrinsic viscosity of 0.62 dlZg and Polymer C having an intrinsic viscosity of 0.79 dlZg.
- the amount of the catalyst was changed as shown in Table 1 except for the above A to (:), and a polymerization reaction was carried out in the same manner as in Polymer A to obtain a polymer chip having an intrinsic viscosity of 0.50 d1 Zg.
- a polymerization reaction was carried out in the same manner as in Polymer A to obtain a polymer chip having an intrinsic viscosity of 0.50 d1 Zg.
- the polymerization reaction was carried out using the catalyst shown in Table 1 without adding the cobalt compound, and a polymer F having an intrinsic viscosity of 0.64 d 1 / g was obtained only by melt polymerization.
- the coating agents used in the coating layers used in Examples 1 to 4 and Comparative Examples 1 and 3 were adjusted as follows.
- Composition Composed of polyester resin, acryl resin, wetting agent and filler.
- Polyester resin 80 mol% terephthalic acid / 15 mol% isophthalic acid 75% sodium-sulfoisophthalic acid 5 mol%, 75 mol% 1,4-butanediol glycol component It is composed of 25 mol% of 4 mol adduct.
- the polyester resin was produced as follows according to the method described in Example 1 described in JP-A-6-116487. That is, 42.2 parts of dimethyl terephthalate, 7.9 parts of dimethyl isophthalate, 4 parts of dimethyl 5-sodium sulfoisophthalate, 36.8 parts of 1,4-butanediol, and a 4-mol ethylene oxide adduct of bisphenol A 27.5 parts were charged into a reactor, and 0.05 parts of tetrabutoxytitanium was added thereto, and the mixture was heated under a nitrogen atmosphere while controlling the temperature at 230 ° C, and the formed methanol was distilled off to transesterify. The reaction was performed. Then, the temperature of the reaction system was gradually raised to 255 ° C, and the inside of the system was reduced to ImmHg to carry out a polycondensation reaction to obtain a polyester.
- Acrylic resin Methyl methacrylate 60 mol% Z ethyl acrylate 30 mol% Z 2 -hydroxyethyl methacrylate 5 mol% ZN-methylol Acrylamide 5 mol%.
- the acryl resin was produced as described below according to the methods described in Production Examples 1 to 3 described in JP-A-63-37167. That is, in a four-necked flask, 302 parts of ion-exchanged water was charged and heated to 60 ° C in a nitrogen stream, and then 0.5 parts of ammonium persulfate and 0.2 parts of sodium hydrogen nitrite were added as polymerization initiators. Then, a mixture of 59.9 parts of methyl methacrylate, 30 parts of ethyl acrylate, 5.8 parts of 2-hydroxyethyl methacrylate and 4.3 parts of N-methylol acrylamide as monomers is added for 3 hours.
- the solution was added dropwise while adjusting the temperature of the solution to 60-70. After the completion of the dropwise addition, the reaction was continued under stirring while maintaining the same temperature range for 2 hours, followed by cooling to obtain an aqueous dispersion of acrylic having a solid content of 25%.
- Filler Silica filler (average particle size 60 nm). The product name “Snowtex” manufactured by Nissan Chemical Co., Ltd.
- polymer B After drying polymer B at 170 ° C for 6 hours, it is fed to an extruder hopper, melted at a melting temperature of 300 ° C, and filtered through a stainless steel wire filter with an average opening of 10 It was extruded on a rotating cooling drum having a surface temperature of 60 ° C. through a slit die having a thickness of 60 mm and rapidly cooled to obtain an unstretched film.
- the unstretched film thus obtained is preheated at 120 ° C, and then heated from above and below with an IR heater between the low-speed and high-speed ports, and the film temperature becomes 140 ° C. Thus, it was stretched 3.3 times in the continuous film forming direction (MD direction).
- the above-mentioned coating agent was applied all over a roll so that the coating thickness after drying was 0.03 m.
- the obtained biaxially oriented film was thermally fixed at a temperature of 240 ° C. to obtain a laminated film having a thickness of 100 m.
- Tables 2 and 3 show the film production conditions and the properties of the obtained film. A film with excellent transparency and hue, low generation of oligomers upon heating, and good impact resistance could be obtained. The dimensional stability under tension and temperature was also good.
- Laminated films of various thicknesses were obtained in the same manner as in Example 1 except that the polymer used, the draw ratio, and the heat setting temperature were as shown in Table 2.
- Tables 2 and 3 show the film production conditions and the properties of the obtained film.
- a laminated film having a thickness of 100 m was obtained in the same manner as in Example 1 except that polymer A was used.
- Tables 2 and 3 show the film production conditions and the properties of the obtained film.
- the resulting film was inferior in transparency and hue, tended to generate oligomers when heated, and had low impact resistance in terms of thickness.
- a hard coating agent (trade name “PETD-31” manufactured by Dainichi Seika Kogyo Co., Ltd.) for forming a hard coat layer on the coating layer side of the laminated film obtained in Example 1 was added to 1-hydroxycyclophene. Add with ketone, stir and defoam, apply by roll coating method to a dry thickness of 5 m, dry, and irradiate with electron beam at 175 kV and 1 OMrad to hardcode. One coat was formed.
- PETD-31 manufactured by Dainichi Seika Kogyo Co., Ltd.
- the S i and S i 0 2 mixtures by Li Cheng evaporation material is evaporated by electron beam heating in a vacuum deposition apparatus on the opposite surface of the hard coat layer, an S I_ ⁇ _X film having a thickness of 20nm Formed.
- Example 6 Using the film obtained in Example 2, a transparent conductive film comprising a hard coat layer, a gas barrier layer and an ITO film was obtained in the same manner as in Example 5. Table 4 shows the properties of the obtained film. It was possible to obtain a thin structure having excellent impact resistance.
- a transparent conductive film comprising a hard coat layer, a gas barrier layer, and an ITO film was obtained in the same manner as in Example 5.
- Table 4 shows the properties of the obtained film. The obtained film had poor impact resistance.
- Example 5 Using a 200 m thick polyester sulfone film (trade name “FS_1300” manufactured by Sumitomo Beit Klitterne Earth), a hard coat layer, a gas barrier layer, and an ITO film were obtained in the same manner as in Example 5. A transparent conductive film was obtained. Table 4 shows the properties of the obtained film. The resulting film had low impact resistance for its thickness.
- Table 4 shows the characteristics obtained from the glass with ITO (product name “# 1737” manufactured by Koning Co., Ltd.). The impact resistance was very poor.
- Example 3 50 0.58 1.748 1.768 1.497 0.261 0.3.1.5 1.0.3.0.1.0.5 ⁇ -1 0.3
- a laminated film comprising a polyethylene naphthalene dicarboxylate film having excellent transparency, good hue, extremely low generation of oligomers upon heating, and excellent impact resistance in a thin film Can be obtained.
- the laminated film obtained by the present invention and a hard coat film, a gas barrier film and a transparent conductive film using the same as a base film can be used for a liquid crystal display, an antireflection film, an organic EL display, an electronic It is particularly useful for applications such as paper, solar cells, touch panels, and electromagnetic wave prevention films for PDPs.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Inorganic Chemistry (AREA)
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Abstract
Description
Claims
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AU2003246180A AU2003246180A1 (en) | 2002-06-24 | 2003-06-23 | Laminated film |
JP2004515547A JPWO2004000920A1 (ja) | 2002-06-24 | 2003-06-23 | 積層フィルム |
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AU (1) | AU2003246180A1 (ja) |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006306910A (ja) * | 2005-04-26 | 2006-11-09 | Teijin Dupont Films Japan Ltd | 太陽電池用ポリエステルフィルム |
JP2006334909A (ja) * | 2005-06-01 | 2006-12-14 | Gunze Ltd | ガスバリア層付フィルム |
JP2009045888A (ja) * | 2007-08-22 | 2009-03-05 | Teijin Dupont Films Japan Ltd | 太陽電池裏面保護膜用フィルム |
JP2009526116A (ja) * | 2006-02-09 | 2009-07-16 | デュポン テイジン フィルムズ ユー.エス.リミテッド パートナーシップ | コートポリエステルフィルムの製造方法 |
WO2010094443A1 (en) * | 2009-02-20 | 2010-08-26 | Mitsubishi Plastics, Inc. | White coated polyester film, process for production thereof and use thereof as a backside cover in solar modules |
JP2010232047A (ja) * | 2009-03-27 | 2010-10-14 | Teijin Dupont Films Japan Ltd | 固体高分子電解質膜保護用二軸配向ポリエステルフィルムおよび固体高分子電解質膜保護部材 |
WO2011158735A1 (ja) | 2010-06-15 | 2011-12-22 | ダイセル化学工業株式会社 | 積層フィルム及びその製造方法並びに電子デバイス |
JP2012206306A (ja) * | 2011-03-29 | 2012-10-25 | Toppan Printing Co Ltd | ガスバリア積層体およびその製造方法 |
JP2013226829A (ja) * | 2012-03-30 | 2013-11-07 | Mitsubishi Plastics Inc | ガスバリア性フィルム及びその製造方法、並びにガスバリア性積層体 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20180063180A (ko) * | 2015-09-30 | 2018-06-11 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 다층 배리어 코팅 |
Citations (1)
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JP2002003624A (ja) * | 2000-06-26 | 2002-01-09 | Teijin Ltd | ポリエステルフィルム |
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2003
- 2003-06-23 AU AU2003246180A patent/AU2003246180A1/en not_active Abandoned
- 2003-06-23 WO PCT/JP2003/007925 patent/WO2004000920A1/ja active Application Filing
- 2003-06-23 JP JP2004515547A patent/JPWO2004000920A1/ja active Pending
- 2003-06-24 TW TW092117155A patent/TW200401707A/zh unknown
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JP2002003624A (ja) * | 2000-06-26 | 2002-01-09 | Teijin Ltd | ポリエステルフィルム |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006306910A (ja) * | 2005-04-26 | 2006-11-09 | Teijin Dupont Films Japan Ltd | 太陽電池用ポリエステルフィルム |
JP2006334909A (ja) * | 2005-06-01 | 2006-12-14 | Gunze Ltd | ガスバリア層付フィルム |
JP2009526116A (ja) * | 2006-02-09 | 2009-07-16 | デュポン テイジン フィルムズ ユー.エス.リミテッド パートナーシップ | コートポリエステルフィルムの製造方法 |
JP2013128925A (ja) * | 2006-02-09 | 2013-07-04 | Dupont Teijin Films Us Lp | コートポリエステルフィルムの製造方法 |
JP2014168780A (ja) * | 2006-02-09 | 2014-09-18 | Dupont Teijin Films Us Lp | コートポリエステルフィルムの製造方法 |
JP2009045888A (ja) * | 2007-08-22 | 2009-03-05 | Teijin Dupont Films Japan Ltd | 太陽電池裏面保護膜用フィルム |
WO2010094443A1 (en) * | 2009-02-20 | 2010-08-26 | Mitsubishi Plastics, Inc. | White coated polyester film, process for production thereof and use thereof as a backside cover in solar modules |
JP2010232047A (ja) * | 2009-03-27 | 2010-10-14 | Teijin Dupont Films Japan Ltd | 固体高分子電解質膜保護用二軸配向ポリエステルフィルムおよび固体高分子電解質膜保護部材 |
WO2011158735A1 (ja) | 2010-06-15 | 2011-12-22 | ダイセル化学工業株式会社 | 積層フィルム及びその製造方法並びに電子デバイス |
JP2012206306A (ja) * | 2011-03-29 | 2012-10-25 | Toppan Printing Co Ltd | ガスバリア積層体およびその製造方法 |
JP2013226829A (ja) * | 2012-03-30 | 2013-11-07 | Mitsubishi Plastics Inc | ガスバリア性フィルム及びその製造方法、並びにガスバリア性積層体 |
Also Published As
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JPWO2004000920A1 (ja) | 2005-10-20 |
AU2003246180A1 (en) | 2004-01-06 |
TW200401707A (en) | 2004-02-01 |
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