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WO2015046843A1 - Composition de revêtement conducteur contenant un nanofil métallique et procédé de formation de film conducteur l'utilisant - Google Patents

Composition de revêtement conducteur contenant un nanofil métallique et procédé de formation de film conducteur l'utilisant Download PDF

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Publication number
WO2015046843A1
WO2015046843A1 PCT/KR2014/008795 KR2014008795W WO2015046843A1 WO 2015046843 A1 WO2015046843 A1 WO 2015046843A1 KR 2014008795 W KR2014008795 W KR 2014008795W WO 2015046843 A1 WO2015046843 A1 WO 2015046843A1
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group
coating composition
conductive coating
conductive film
cellulose
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English (en)
Korean (ko)
Inventor
유관태
김경은
유재원
최승석
김성배
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Dongjin Semichem Co Ltd
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Dongjin Semichem Co Ltd
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Priority to CN201480053241.0A priority Critical patent/CN105593313B/zh
Publication of WO2015046843A1 publication Critical patent/WO2015046843A1/fr
Anticipated expiration legal-status Critical
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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
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/10—Esters of organic acids
    • C09D101/12—Cellulose acetate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements

Definitions

  • the present invention relates to a conductive coating composition containing a metal nanowire and a method for forming a conductive film using the same, and more particularly, by including a metal nanowire, a ladder-type silsesquioxane polymer, an organic binder resin, and a dispersion liquid.
  • the present invention relates to a conductive coating composition suitable for producing a conductive film having excellent sheet resistance, abrasion resistance, hardness, adhesion to a substrate, and flexibility, and a method of manufacturing the conductive film using the same.
  • ITO is generally applied to touch screen panels, OLED devices, and flexible devices as a transparent conductive film.However, as the substrate becomes larger, ITO certainly needs replacement materials due to the limitation of metal oxide to satisfy the required low sheet resistance and excellent flexibility. It is becoming.
  • metal nanowire-based transparent conductive film is used, and it is used in various fields because it realizes low sheet resistance and has excellent flexibility while maintaining high optical properties of the film that ITO cannot solve. .
  • the metal nanowire-based transparent conductive film has a structure in which resistance is realized by wire contact of nanowires unlike ITO, the wire contact is broken due to an external impact, ie, a scratch or peeling off by a high adhesion protective film, or a nanowire.
  • the disadvantage is that the resistance can be easily increased due to breakage.
  • This drawback is also an important factor in increasing the process margin in the process of manufacturing a metal nanowire-based transparent conductive film, and furthermore, durability must be secured because it directly affects the yield when the process is performed after implementing the pattern.
  • the durability requirements which are physical characteristics of conductive films, include pencil hardness, anti-scratch, and adhesion strength. Yield can be secured.
  • the present invention has excellent sheet resistance, abrasion resistance, hardness, adhesiveness and flexibility to the substrate suitable for forming a conductive film, excellent optical properties and excellent dispersibility of metal nanowires
  • An object of the present invention is to provide a conductive coating composition and a method for producing a conductive film using the same, which have solved problems such as clouding, phase separation, and gelation of the coating composition.
  • an object of the present invention is to provide a conductive film and an electronic device comprising the film is produced by the above method having excellent sheet resistance, wear resistance, hardness, adhesion to the substrate and flexibility.
  • It provides a conductive coating composition comprising a.
  • the present invention provides a method for forming a conductive film, characterized in that the conductive coating composition is coated on a substrate and dried.
  • the present invention provides a conductive film formed by the conductive film forming method.
  • the present invention provides an electronic device comprising the conductive film.
  • the conductive coating composition according to the present invention is excellent in optical properties and excellent dispersibility of metal nanowires can solve the problems such as whitening, phase separation, gelation of the coating composition, the conductive film according to the present invention has excellent sheet resistance, wear resistance It is suitable for use in electronic devices because of its hardness, adhesion to substrates and flexibility.
  • the conductive coating composition of the present invention comprises: 1) metal nanowires; 2) ladder type silsesquioxane polymers; 3) organic binder resins; And 4) a dispersion.
  • the conductive coating composition of the present invention uses metal nanowires as the conductive material.
  • metal nanowires used in the present invention metal nanowires used for conventional conductive film formation may be used. More specifically, metals that can be used are not particularly limited, and are preferably gold, silver, copper, aluminum, and nickel. It is preferable to use at least one metal selected from the group consisting of Group I, IIA, IIIA, IVA and Group VIII B metals such as tin, palladium, platinum, zinc, iron, indium and magnesium, and more preferably. Preferably, at least one metal selected from the group consisting of zinc, aluminum, tin, copper, silver and gold is used.
  • the metal nanowires preferably have a diameter of 15 nm to 120 nm and a length of 5 ⁇ m to 60 ⁇ m, and are preferably used in an amount of 0.01 to 0.5 wt% in the conductive coating composition.
  • the silsesquioxane polymer used in the present invention is a ladder type silsesquioxane polymer, and a weight average molecular weight is preferably 10,000 to 200,000, more preferably 30,000 to 100,000. .
  • the ladder silsesquioxane polymer has a structure of Formula 1 below:
  • R 1 to R 4 are each independently a cyclic or acyclic aliphatic organic functional group, an alkyl group, an alkylhalogen, an aryl group, an amino group, a (meth) acryl group, a vinyl group, an epoxy group or a siol group connected by hydrogen, C 1 to C 20 In this case, all of R 1 to R 4 may be substituted with the same or different organic functional groups;
  • R 5 to R 8 may each independently be selected from the group consisting of an alkyl group of C 1-5 , a cycloalkyl group of C 3-10 , an aryl group of C 6-12 , an alcohol, an alkoxy group, and a combination thereof;
  • n 1 to 100,000.
  • the ladder-type silsesquioxane polymer used in the present invention may be prepared by a known method or commercially available.
  • the silsesquioxane polymer of Formula 1 is a trifunctional silane into which an organic functional group is introduced. It can be prepared by the hydrolysis of the compound of formula 2 and subsequently condensation reaction:
  • R 9 is hydrogen, an organic functional group such as a cyclic or acyclic aliphatic organic functional group connected by C 1 to C 20 , an alkyl group, an alkylhalogen, an aryl group, an amino group, a (meth) acryl group, a vinyl group, an epoxy group or a siol group;
  • R 10 is selected from the group consisting of an alkyl group of C 1-5 , a cycloalkyl group of C 3-10 , an aryl group of C 6-12 , an alcohol, an alkoxy group, and a combination thereof,
  • Q is a C 1-6 alkylene group or C 1-6 alkyleneoxy group
  • n is an integer from 0 to 4,
  • p is an integer of 0 or 1.
  • R 9 or R 10 may be an aromatic organic functional group such as a phenyl group, but when the content of the aromatic organic functional group among the R 1 to R 4 , which is a side chain group, is low in the ladder silsesquioxane polymer, the transmittance is low. Since it tends to lose, it is preferable to adjust the content of phenyl in 100% of the total of the side chain groups R 1 to R 4 to less than 80 mol%.
  • Reaction conditions in the preparation of the silsesquioxane polymer of the present invention may be carried out according to a method commonly used in the art, for example, the method described in Korean Patent Publication No. 10-2010-0131904.
  • the degree of condensation of the silsesquioxane polymer may be adjusted to 1 to 99.9%, and the -OH content of the silsesquioxane polymer terminal may be arbitrarily adjusted in various ways according to the polarity change of the cellulose-based resin used for mixing.
  • the content of -OH of the silsesquioxane polymer terminal is preferably 0.01 to 50% of the terminal group, a resin composition having excellent storage stability may be prepared.
  • UV absorbers commonly known in the preparation of the compound of Formula 1 are introduced into R 1 to R 8 , it may be used as an additive for imparting UV blocking properties in film production.
  • a compound that can be used as an ultraviolet absorber is (2- (5-chloro-2H-benzotriazol-2-yl) -6- (1,1-dimethylethyl) -4-methyl-phenol (2- (5-chloro-2H-benzotriazole-2-yl) -6 (1,1-dimethylethyl) -4-methyl-phenol), octyl-3- [3-tert-butyl-4-hydroxy-5- (5 -Chloro-2H-benzotriazol-2-yl) phenyl] propionate (Octyl-3- [3-tert-butyl-4-hydroxy-5- (5-chloro-2H-benzotriazol-2-yl) phenyl UV absorber containing a halogen element such as] prop
  • the silsesquioxane is preferably used in an amount of 0.01 to 1.0% by weight. If the content is less than 0.01% by weight, the original purpose for imparting durability through the silsesquioxane cannot be achieved. When the content exceeds 1.0% by weight, it inhibits the contact of the metal nanowires, thereby acting as an insulator to rapidly increase the contact resistance of the transparent conductive film, thereby preventing the desired conductivity.
  • the conductive coating composition of the present invention comprises an organic binder resin.
  • the organic binder resin controls the viscosity of the conductive coating composition of the present invention, improves the coating property of the composition, increases the adhesion with the substrate, and increases the flexibility of the thin film.
  • the organic binder resin usable in the present invention is polyimide, acrylic polymer, epoxy, polyethylene glycol, polyester, polymethyl methacrylate, polyvinylpyrrolidone, cellulose, polyvinyl alcohol, polyurethane, polyacrylonitrile And the like, and are preferably cellulose resins.
  • cellulose resins triacetyl cellulose, diacetyl cellulose, acehydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, methyl cellulose, carboxymethyl cellulose, Cellulose acetate butyrate, cellulose acetate propionate, and the like.
  • the organic binder resin is preferably used in an amount of 0.02-10 wt% in the conductive coating composition of the present invention.
  • the content is less than 0.02% by weight, it is impossible to achieve the original purpose to control the viscosity, improve coating properties, increase adhesion with the substrate and give flexibility through the organic binder resin formed when the conductive film is bent more than a certain degree
  • the metal nanowires may deviate from the substrate or the conductive coating composition may not be uniformly coated on the entire surface of the substrate, resulting in the inability to form a film having excellent electrical conductivity.
  • the organic binder resin inhibits contact with the metal nanowires to serve as an insulator to rapidly increase the contact resistance of the transparent conductive film, and the viscosity is rapidly increased to form a thick film to optically Problems may deteriorate. If the film thickness becomes too thick, the entire film becomes yellow, which adversely affects visibility.
  • the conductive coating composition of the present invention comprises a dispersion in the remaining amount in addition to the 1) metal nanowires, 2) silsesquioxane polymer, and 3) organic binder resin, the dispersion is a viscosity control of the metal nanowire dispersion, a smooth film It can select suitably in consideration of formation, the dispersibility of a metal nanowire, etc.
  • dispersion examples include water, methanol, ethanol, propanol, isopropanol, isopropyl acetate, butanol, 2-butanol, octanol, 2-ethylhexanol, pentanol, benzyl alcohol, hexanol, 2-hexanol, Cyclohexanol, terpineol, nonanol, methylene glycol, ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol Monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monobutyl ether, 2-propanone, diacetyl, acetylace
  • the conductive coating composition of the present invention may further include a functional additive, which may be conventionally included in a curing agent, a plasticizer, a sunscreen or a coating composition for forming a conductive film, if necessary, within a conventional range.
  • a functional additive which may be conventionally included in a curing agent, a plasticizer, a sunscreen or a coating composition for forming a conductive film, if necessary, within a conventional range.
  • the present invention also provides a method for forming a conductive film, characterized in that the present invention is coated with a conductive coating composition on a substrate and dried.
  • the conductive coating composition according to the present invention can be used in various printing processes commonly used in the art, for example, gravure off-set printing, gravure direct printing, micro gravure printing. Screen printing, imprinting method, reverse off-set, spin coating, slit coating, slot die coating, etc.
  • Transparent substrates used may be printed, for example, polyimide (PI) substrates, polyethylene terephthalate (PET) substrates, polycarbonate (PC) substrates, cycloolefin polymer (COP) substrates, polyethylene naphthalate (PEN) substrates, and the like.
  • PI polyimide
  • PET polyethylene terephthalate
  • PC polycarbonate
  • COP cycloolefin polymer
  • PEN polyethylene naphthalate
  • the coating thickness may be appropriately adjusted according to the use, and a general drying process and a low temperature heat treatment process may be applied for film formation, if necessary.
  • the conductive film forming method of the present invention may further form a protective layer on the film formed after the drying process.
  • composition for forming the protective layer a composition including 2) silsesquioxane polymer, 3) organic binder resin, and 4) dispersion of the conductive coating composition may be used.
  • the organic binder resin is preferably used in an amount of 0.05-4% by weight of the composition.
  • the content is less than 0.05% by weight, it is difficult to achieve the original purpose to impart viscosity control, improve coating properties, increase adhesion and flexibility through the organic binder resin, it is difficult to expect the reinforcing effect and optical reinforcing effect, the
  • the content exceeds 4% by weight, the contact resistance of the film is sharply increased, the viscosity is rapidly increased, and the thickness of the coating film is formed thick, resulting in a problem of deteriorating the optical properties. As the film thickness becomes too thick, the optical reinforcing effect cannot be realized.
  • the silsesquioxane in the composition for forming the protective layer is preferably used in an amount of 0.1 to 1.0% by weight in the composition.
  • the content is less than 0.1% by weight, it may be difficult to expect improved durability, and when the content exceeds 1.0% by weight, it may be difficult to achieve the desired conductivity.
  • a conventional printing method, a drying method, and a low temperature heat treatment method may be applied when the conductive film is formed using the conductive coating composition when the protective layer is formed.
  • a resistance reinforcement effect, optical reinforcement effect, durability reinforcement effect can be further enhanced, and the wet etching, etc. can be possible to facilitate the convenience in subsequent processes.
  • the present invention also provides a transparent conductive film formed according to the above method.
  • the transparent conductive film prepared by using the composition and method of the present invention has a light transmittance of 90% or more, a sheet resistance of 200 ⁇ / ⁇ or less, excellent sheet resistance, environmental resistance, warfare transients, and haze, as well as wetness. Etching can be easily performed in the etching process and a wide range of transparent conductive films can be realized by adjusting the concentration, so that liquid crystal displays, plasma displays, touch panels, electroluminescent devices, thin film solar cells, dye-sensitized solar cells, and inorganic crystalline solar cells It can be usefully used for electrodes, such as a battery.
  • triacetyl cellulose (Sigma Aldrich, Fluka) was prepared by mixing at least one solvent of methylene chloride and methyl ethyl ketone, diacetone alcohol, dimethyl formamide, dimethyl sulfoxide, methyl isobutyl ketone for 24 hours.
  • the mixing ratio of the silane monomer is 10 mol% of trimethoxyphenylsilane (DOW CORNING, trade name DOW CORNING (R) Z-6124 SILANE) and gamma-methacryloxypropyltrimethoxysilane (DOW CORNING, trade name DOW CORNING (R) Z-6030 SILANE) was adjusted to 90 mol%. Thereafter, the mixture was slowly stirred for 8 hours in a nitrogen atmosphere, and then the stirring of the reaction solution was stopped and allowed to stand at room temperature for 24 hours. Then, the reaction solution including the precipitate was vacuum filtered to separate the precipitate.
  • the separated precipitate was washed and filtered several times with a mixture of distilled water and methanol to remove impurities, and finally washed with methanol, and then dried by vacuum drying at room temperature for 20 hours to 1 part by weight of methylene chloride and methanol 9: 1.
  • 9 weight part of mixed solvents mixed by (weight ratio) were dripped, and the target polyaliphatic aromatic silsesquioxane polymer resin was manufactured.
  • the weight average molecular weight of the obtained polyaliphatic aromatic silsesquioxane polymer was 40,000.
  • the weight average molecular weight is a polystyrene reduced average molecular weight measured using gel permeation chromatography.
  • the polymer silsesquioxane resin was prepared in the same manner as in Synthesis example 2.
  • Wasopropyl alcohol dispersion was added to 1.06 g and dispersed for 1 hour or more.
  • 8.44 g of ethanol was added to control the content of the silver nanowire, thereby completing the conductive coating composition.
  • a secondary protective layer As a secondary protective layer, 0.3 g of triacetyl cellulose (Sigma Aldrich, Fluka) was added to 14.85 g of methylene chloride and dissolved at room temperature for 24 hours. 14.85 g of methyl ethyl ketone was added to the triacetyl cellulose solution dispersed in the methylene chloride, followed by stirring at 1000 rpm for 2 hours to prepare a cellulose solution. 29.7 g of polysilsesquioxane diluted in methyl ethyl ketone at 1% by weight was added thereto, mixed at 1000 rpm for 6 hours, and then commercially available thermosetting additive (Asahi Kasei chemical) was added at 1000 rpm for 6 hours. After the viscosity was adjusted while stirring to finish.
  • Triacetyl cellulose Sigma Aldrich, Fluka
  • Each prepared coating composition was coated on a PET film so as to have a dry coating thickness of 130 nm, and then the coated specimen was dried for 90 seconds in a 140 ° C. drying furnace to evaluate physical properties and performance, and is shown in [Table 2].
  • 0.5 wt% ethanol dispersion of 2 wt% silver nanowires having an aspect ratio of 600 or more with a conductive coating composition 1 wt% of cellulose acetate butate and polysilsesquioxane synthesized in Synthesis Example 2 at a weight ratio of 5: 5 Wasopropyl alcohol dispersion was added to 1.06 g and dispersed for 1 hour or more.
  • 8.44 g of ethanol was added to control the content of the silver nanowire, thereby completing the conductive coating composition.
  • 0.5 wt% ethanol dispersion of 2 wt% silver nanowires having an aspect ratio of 600 or more with a conductive coating composition containing 1 wt% of cellulose acetate propionate and polysilsesquioxane synthesized in Synthesis Example 2 at a weight ratio of 7: 3 % Isopropyl alcohol dispersion was added to 1.06 g and dispersed for 1 hour or more.
  • 8.44 g of ethanol was added to control the content of the silver nanowire, thereby completing the conductive coating composition.
  • 0.5 g of silver nanowire 2-weight ethanol dispersion having an aspect ratio of 600 or more was added to 1.06 g of 0.5 wt% of hydroxypropyl cellulose in an isopropyl alcohol dispersion.
  • 8.44 g of ethanol was added to control the content of the silver nanowire, thereby completing the conductive coating composition.
  • triacetylcellulose (Sigma Aldrich, Fluka) was added to 26.73 g of methylene chloride and dissolved at room temperature for 24 hours. 26.73 g of methyl ethyl ketone was added to the triacetyl cellulose solution dispersed in the methylene chloride, followed by stirring at 1000 rpm for 2 hours to prepare a cellulose solution.
  • a thermosetting additive (Asahi Kasei chemical Co., Ltd.) commercially available was added thereto, followed by finishing the viscosity control while stirring at 1000 rpm for 6 hours.
  • Total transmittance In the wavelength range of 400 nm to 800 nm, visible light transmittance was measured after applying and drying the secondary membrane using a spectrophotometer, and the optical reinforcing effect was observed.
  • Haze Measured after coating and drying the secondary film using a haze meter COH 400 of NIPPON DENSHOKU, and observed the optical reinforcing effect.
  • Substrate adhesion The substrate adhesion was evaluated according to the measuring method of ASTM-D3359.
  • Anti-scratch Measure the rate of change of resistance using a friction force gauge
  • the primary sheet resistance was formed high depending on the content of polysilsesquioxane, but it was observed that excellent sheet resistance could be maintained by the resistance reinforcing effect of the secondary protective layer. .
  • the content increased in proportion to the hardness of the polysilsesquioxane content, the hardness also increased.
  • the conductive coating composition according to the present invention is excellent in optical properties and excellent dispersibility of metal nanowires can solve the problems such as whitening, phase separation, gelation of the coating composition, the conductive film according to the present invention has excellent sheet resistance, wear resistance It is suitable for use in electronic devices because of its hardness, adhesion to substrates and flexibility.

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Abstract

La présente invention porte sur une composition de revêtement conducteur contenant un nanofil métallique et sur un procédé de formation d'un film conducteur l'utilisant et, plus particulièrement, sur une composition de revêtement conducteur comprenant un nanofil métallique, un polymère de silsesquioxane de type échelle, une résine liante organique et un liquide de dispersion, de sorte que la composition a de bonnes résistance superficielle, résistance à l'usure, dureté, adhérence à un matériau de base et souplesse et est appropriée pour la fabrication d'un film conducteur, et sur un procédé de fabrication d'un film conducteur l'utilisant.
PCT/KR2014/008795 2013-09-27 2014-09-22 Composition de revêtement conducteur contenant un nanofil métallique et procédé de formation de film conducteur l'utilisant Ceased WO2015046843A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480053241.0A CN105593313B (zh) 2013-09-27 2014-09-22 含有金属纳米线的导电性涂布组合物及利用其的导电性膜的形成方法

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KR20170018718A (ko) 2015-08-10 2017-02-20 삼성전자주식회사 비정질 합금을 이용한 투명 전극 및 그 제조 방법
KR102464594B1 (ko) * 2019-09-09 2022-11-11 주식회사 에스지플렉시오 전도성 광학 필름 및 이의 제조방법
KR102491045B1 (ko) * 2020-08-20 2023-01-19 인하대학교 산학협력단 대면적 대전체 폴리머 필름, 그의 제조방법 및 그를 이용한 마찰전기 발전소자

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