WO2010110224A1 - Corps multicouche conducteur à oxyde de zinc et procédé de fabrication associé - Google Patents

Corps multicouche conducteur à oxyde de zinc et procédé de fabrication associé Download PDF

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Publication number
WO2010110224A1
WO2010110224A1 PCT/JP2010/054874 JP2010054874W WO2010110224A1 WO 2010110224 A1 WO2010110224 A1 WO 2010110224A1 JP 2010054874 W JP2010054874 W JP 2010054874W WO 2010110224 A1 WO2010110224 A1 WO 2010110224A1
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zinc oxide
based conductive
resin
undercoat layer
conductive laminate
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PCT/JP2010/054874
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English (en)
Japanese (ja)
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健 近藤
直史 泉
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リンテック株式会社
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Priority to CN2010800037218A priority Critical patent/CN102264535A/zh
Priority to JP2011506032A priority patent/JP5373887B2/ja
Publication of WO2010110224A1 publication Critical patent/WO2010110224A1/fr

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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
    • 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

Definitions

  • the present invention relates to a laminated body having a zinc oxide-based conductive layer, which is excellent in interlayer adhesion and excellent in moisture and heat resistance, and a method for producing the same.
  • ITO in-doped indium oxide
  • ITO alternative transparent conductive material that does not use rare metal indium.
  • Zinc oxide-based conductive materials have been proposed.
  • the zinc oxide-based conductive material has a problem that it is poor in heat and humidity resistance as compared with ITO.
  • a transparent conductor in which a zinc oxide film doped with silicon is provided on a hard coat layer provided on a plastic substrate has been proposed (see Patent Document 1).
  • a transparent conductor reduces the temporal change of sheet resistance under high temperature and high humidity by using a silicon-doped zinc oxide film, but the crystallinity is lowered and the electrical conductivity is impaired. There's a problem.
  • a transparent heating element has been proposed in which gallium is added to a zinc oxide-based transparent conductive film to improve heat resistance (see Patent Document 2).
  • a transparent heating element has a problem that gallium must be contained under predetermined conditions, and manufacturing conditions are considerably limited.
  • this document also discloses a transparent heating element provided with an overcoat layer, it is difficult to provide an overcoat layer so as not to affect the conductivity, and it is difficult to use as a transparent electrode. It is.
  • the present invention provides a zinc oxide-based conductive laminate including a zinc oxide-based conductive layer, which has little change in electrical resistivity over time even in a wet and heat environment and has excellent adhesion. It is an object to provide a body and a manufacturing method thereof.
  • the zinc oxide-based conductive laminate according to the present invention that solves the above-mentioned problems includes an undercoat layer containing a cured product of an energy ray-curable resin and a thermoplastic resin on at least one surface of a substrate, and a zinc oxide-based conductive material The conductive layers are sequentially formed.
  • thermoplastic resin is preferably a polyester resin.
  • thermoplastic resin 0.1 to 20 parts by mass of the thermoplastic resin is contained with respect to 100 parts by mass of the cured product of the energy beam curable resin.
  • the method for producing a zinc oxide-based conductive laminate according to the present invention includes a coating containing 100 parts by mass of an energy ray curable resin, 0.1 to 20 parts by mass of a thermoplastic resin, and a solvent on at least one side of a substrate. After applying the liquid, the solvent is removed to form a coating film, the coating film is irradiated with energy rays to form an undercoat layer, and then a conductive layer made of a zinc oxide based conductive material on the undercoat layer It is characterized by forming.
  • the present invention it is possible to provide a zinc oxide-based conductive laminate having good interlayer adhesion and high heat-and-moisture resistance.
  • the conductive layer of the zinc oxide-based conductive laminate has a low resistivity like a conductive layer made of an original zinc oxide-based conductive material.
  • FIG. 1 shows a schematic cross section of a zinc oxide based conductive laminate according to one embodiment.
  • the zinc oxide based conductive laminate 10 is obtained by sequentially laminating an undercoat layer 12 and a zinc oxide based conductive layer 13 on a base material 11.
  • the undercoat layer 12 and the zinc oxide-based conductive layer 13 may be provided on only one surface of the base material 11, but may be provided on both surfaces.
  • other layers such as a barrier layer for preventing deterioration of the base material due to a solvent when forming the undercoat layer, are provided as necessary. May be.
  • a hard coat layer for protecting the substrate may be provided on the back side of the substrate.
  • An example of such a zinc oxide based conductive laminate is shown in FIG.
  • This zinc oxide based conductive laminate 10A is provided with a hard coat layer 14 on the opposite side of the substrate 11 having an undercoat layer 12 and a zinc oxide based conductive layer 13 on one side.
  • the hard coat layer 14 may be a conventionally known hard coat layer.
  • the base material a synthetic resin film, a glass plate, a ceramic plate or the like can be used, and may be selected according to the application.
  • the substrate is preferably substantially transparent, but it is not always necessary to be transparent depending on the application.
  • the undercoat layer provided on the base material may be provided directly on the base material or may be provided via another layer, but is directly made of a zinc oxide based conductive material.
  • a conductive layer is provided.
  • Such an undercoat layer contains a cured product of an energy beam curable resin and a thermoplastic resin.
  • the energy beam curable resin refers to a polymerizable compound that has energy quanta in an electromagnetic wave or a charged particle beam, that is, is crosslinked and cured by irradiation with ultraviolet rays or an electron beam.
  • Such energy ray-curable compounds include a radical polymerization type and a cationic polymerization type, and examples thereof include a photopolymerizable prepolymer and / or a photopolymerizable monomer.
  • radical polymerization type photopolymerizable prepolymers examples include polyester acrylate, epoxy acrylate, urethane acrylate, and polyol acrylate.
  • polyester acrylate-based prepolymer for example, by esterifying the hydroxyl group of a polyester oligomer having a hydroxyl group at both ends obtained by condensation of a polyvalent carboxylic acid and a polyhydric alcohol with (meth) acrylic acid, or It can be obtained by esterifying the terminal hydroxyl group of an oligomer obtained by adding an alkylene oxide to a polyvalent carboxylic acid with (meth) acrylic acid.
  • the epoxy acrylate prepolymer can be obtained, for example, by reacting (meth) acrylic acid with an oxirane ring of a relatively low molecular weight bisphenol type epoxy resin or novolak type epoxy resin and esterifying it.
  • the urethane acrylate-based prepolymer can be obtained, for example, by esterifying a polyurethane oligomer obtained by reaction of polyether polyol or polyester polyol and polyisocyanate with (meth) acrylic acid.
  • the polyol acrylate-based prepolymer can be obtained by esterifying the hydroxyl group of the polyether polyol with (meth) acrylic acid.
  • an epoxy resin is usually used as the cationic polymerization type photopolymerizable prepolymer.
  • the epoxy resins include compounds obtained by epoxidizing polyphenols such as bisphenol resins and novolac resins with epichlorohydrin, etc., and compounds obtained by oxidizing a linear olefin compound or a cyclic olefin compound with a peroxide or the like. Etc.
  • radical polymerization type photopolymerizable monomers examples include 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, and polyethylene glycol diester.
  • thermoplastic resin used in the present invention is not particularly limited, and various resins can be used.
  • the thermoplastic resin may be compatible with the energy beam curable resin, or may be dispersed and held in particles in a cured product of the energy beam curable resin.
  • a particulate thermoplastic resin may be used, or a thermoplastic resin that becomes particulate by phase separation from the energy ray curable resin may be used.
  • the surface of the undercoat layer may have a fine concavo-convex structure.
  • an energy ray curable resin is used by phase separation of an energy ray curable resin and a thermoplastic resin. It is preferable to disperse the thermoplastic resin in the form of particles in the cured product.
  • thermoplastic resin a polyester resin, a polyurethane resin, a polyester urethane resin, an acrylic resin, and the like are preferable from the viewpoints of adhesion to the conductive layer and heat and heat resistance. These may be used individually by 1 type and may be used in combination of 2 or more type.
  • polyester resin examples include ethylene glycol, propylene glycol, 1,3-butanediol, 1,4-butanediol, diethylene glycol, triethylene glycol, 1,5-pentanediol, 1,6-hexanediol, At least one selected from alcohol components such as neopentyl glycol, cyclohexane-1,4-dimethanol, hydrogenated bisphenol A, ethylene oxide or propylene oxide adduct of bisphenol A, and terephthalic acid, isophthalic acid, naphthalenedicarboxylic acid Obtained by polycondensation with at least one selected from carboxylic acid components such as cyclohexane-1,4-dicarboxylic acid, adipic acid, azelaic acid, maleic acid, fumaric acid, itaconic acid and its acid anhydride. Polymerization And the like.
  • Polyester urethane resins include polyisocyanate compounds obtained by reacting various polyisocyanate compounds with polyester polyols having a hydroxyl group at the terminal obtained by condensation polymerization of the alcohol component and the carboxylic acid component. Examples include coalescence.
  • the polyurethane resin includes a reaction product of a hydroxyl group-containing compound and a polyisocyanate compound, for example, a polyurethane obtained by a reaction of a short-chain glycol or a short-chain ether with an isocyanate compound as a hard segment, and a long-chain glycol as a soft segment. And a linear multi-block copolymer of polyurethane obtained by reaction of a long-chain ether and an isocyanate compound. Further, it may be a reaction product (cured product) of a urethane prepolymer and a polyisocyanate compound.
  • the acrylic resin may be a polymer of at least one monomer selected from (meth) acrylic acid alkyl esters having 1 to 20 carbon atoms in the alkyl group, or the above-mentioned alkyl (meth) acrylate. Examples thereof include a copolymer of an ester and another copolymerizable monomer.
  • polyester resins and / or polyester urethane resins are particularly preferable.
  • the undercoat layer comprises an undercoat layer coating agent containing an energy beam curable resin (referred to as component (A)), a thermoplastic resin (referred to as component (B)), and a solvent. After the solvent is removed by heating, it is formed by irradiation with energy rays and curing.
  • component (A) an energy beam curable resin
  • component (B) thermoplastic resin
  • solvent After the solvent is removed by heating, it is formed by irradiation with energy rays and curing.
  • the content ratio of the energy ray curable resin and the thermoplastic resin in the coating agent for the undercoat is preferably selected in the range of 100: 0.1 to 100: 20 on a mass basis.
  • the content of the thermoplastic resin is 0.1 to 20 parts by mass with respect to 100 parts by mass of the energy beam curable resin, the interlayer adhesion and the moisture and heat resistance of the conductive layer are improved. The effect tends to be less noticeable.
  • a good solvent for both the component (A) and the component (B) and a component for the component (A) are good.
  • (A) component and (B) component can be phase-separated by mixing and using the solvent (it is called (D) component) which is a poor solvent with respect to the said (B) component. .
  • the reason for this is not necessarily clear, but when the boiling point of the component (C) is lower than the boiling point of the component (D), the component (C) is removed first when the coating agent applied to the substrate is heated.
  • the good solvent and the poor solvent refer to solvents having solubility measured by the following method.
  • thermoplastic resin of component (B) is, for example, a polyester resin or a polyester urethane resin
  • good solvents for the resin include cyclohexanone, acetone, ethyl acetate, tetrahydrofuran, and methyl ethyl ketone.
  • examples of the poor solvent include toluene, xylene, methyl isobutyl ketone, ethyl cellosolve, propylene glycol monomethyl ether, isobutanol, isopropanol, ethanol, methanol, hexane, and purified water.
  • thermoplastic resin of component (B) is an acrylic resin
  • good solvents include cyclohexanone, acetone, ethyl acetate, tetrahydrofuran, xylene, toluene, methyl ethyl ketone, methyl isobutyl ketone, ethyl cellosolve, propylene glycol monomethyl ether, etc.
  • examples of the poor solvent include isobutanol, isopropanol, ethanol, methanol, hexane, purified water, and the like.
  • the good solvent and the poor solvent other than purified water are good solvents for the energy ray curable resin that is usually used.
  • the solvent of the component (C) may be used alone or in combination of two or more, and the solvent of the component (D) is used alone. It may be used in a mixture of two or more.
  • the content ratio [(C) :( D)] of the solvent of the component (C) and the solvent of the component (D) in the coating agent for the undercoat layer is in the range of 99: 1 to 10:90 on a mass basis. Is selected. If the content ratio is in the above range, during the formation of the undercoat layer, good phase separation occurs in the process of removing the solvent by heating, and the resulting undercoat layer is a dispersion of particulate thermoplastic resin It becomes.
  • the content ratio is preferably 97: 3 to 15:85, more preferably 95: 5 to 40:60 on a mass basis.
  • the undercoat layer coating agent described above may optionally contain various additives such as a photopolymerization initiator and an antistatic agent as long as the effects of the present invention are not impaired.
  • additives such as a photopolymerization initiator and an antistatic agent as long as the effects of the present invention are not impaired.
  • Antioxidants, ultraviolet absorbers, light stabilizers, antifoaming agents, and the like can be included.
  • the energy ray curable compound is a radical polymerization type
  • benzoin benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin-n-butyl ether, benzoin isobutyl ether, acetophenone, dimethylaminoacetophenone 2,2-dimethoxy-2-phenylacetophenone, 2,2-diethoxy-2-phenylacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, 1-hydroxycyclohexyl phenyl ketone, 2-methyl -1- [4- (methylthio) phenyl] -2-morpholino-propan-1-one, 4- (2-hydroxyethoxy) phenyl-2 (hydroxy-2-propl) ketone, benzophenone, p-phenylben Zophenone, 4,4′-diethylaminobenzophenone, dichlorobenzophenophenone, p-phenylben
  • the energy ray curable compound is a cationic polymerization type, for example, onium such as aromatic sulfonium ion, aromatic oxosulfonium ion, aromatic iodonium ion, tetrafluoroborate, hexafluorophosphate, hexafluoroantimonate, hexa
  • onium such as aromatic sulfonium ion, aromatic oxosulfonium ion, aromatic iodonium ion, tetrafluoroborate, hexafluorophosphate, hexafluoroantimonate, hexa
  • a photoinitiator may be used individually by 1 type and may be used in combination of 2 or more type.
  • the blending amount is usually selected in the range of 0.2 to 10 parts by mass with respect to 100 parts by mass of the energy beam curable compound.
  • the coating agent for the undercoat layer prepared as described above is applied to the base material by a conventionally known method such as a bar coating method, a knife coating method, a roll coating method, a blade coating method, or a die coating.
  • An undercoat layer is formed by coating using a gravure coating method, a gravure coating method, and the like to form a coating film, drying, and irradiating this with an active energy ray to cure the coating film.
  • an ultraviolet ray as mentioned above, an ultraviolet ray, an electron beam, etc. are mentioned, for example.
  • the ultraviolet rays are obtained with a high-pressure mercury lamp, a fusion H lamp, a xenon lamp or the like, and the irradiation amount is usually 100 to 500 mJ / cm 2 , while the electron beam is obtained with an electron beam accelerator or the like. Usually 150 to 350 kV.
  • ultraviolet rays are particularly preferable.
  • a cured film can be obtained, without adding a photoinitiator.
  • the thickness of the undercoat layer thus formed is not particularly limited, but is preferably in the range of 0.5 to 20 ⁇ m.
  • the undercoat layer of the present invention may have a fine concavo-convex surface with fine protrusions formed by thermoplastic resin particles formed on the surface thereof.
  • the surface roughness Ra of the undercoat layer is 1 to 100 nm
  • the average diameter of the protrusions is 0.05 to 3 ⁇ m
  • the density of protrusions is 3 to 200 / 100 ⁇ m 2 .
  • the surface having such protrusions can be manufactured by the manufacturing method described above.
  • the zinc oxide-based conductive layer is a conductive layer made of a zinc oxide-based conductive material, and the zinc oxide-based conductive material is mainly composed of zinc oxide.
  • the zinc oxide-based conductive material is mainly composed of zinc oxide.
  • it is preferable to contain it by mass% or more other composition is not specifically limited, For example, in order to reduce a resistivity, what added the various additive elements and the additive may be used.
  • the zinc oxide-based conductive layer can be formed by a conventionally known method, for example, a sputtering method, an ion plating method, a vacuum deposition method, a chemical vapor deposition method, or the like.
  • the thickness of the zinc oxide-based conductive layer varies depending on the application, but is, for example, 10 nm to 500 nm.
  • Test 1 Measurement of surface resistivity Zinc oxide conductive laminate immediately after production (before wet heat) and conductive laminate after standing for 72 hours (after wet heat) in an environment of 85 ° C. and 85% relative humidity The surface resistivity of each was measured by the 4-terminal method. The measurement was performed in an environment of 25 ° C. and a relative humidity of 50%.
  • Test 2 Adhesion test Each of the zinc oxide-based conductive laminate immediately after production (before wet heat) and the conductive laminate after 72 hours (after wet heat) in an environment at a temperature of 85 ° C. and a relative humidity of 85% The adhesion of the conductive layer was measured according to JIS K5600-5-6 and evaluated (classified). As for the classification of JIS K5600-5-6, the classification 0 (no peeling) has the best adhesion, the larger the classification number, the worse the adhesion, and the classification 5 has the worst adhesion. .
  • the surface roughness Ra of the undercoat layer was measured using an atomic force microscope (manufactured by SII Nanotechnology Inc., model number “SPA300HV”). The measurement area was 25 ⁇ m ⁇ 25 ⁇ m. Further, the average diameter and density of the protrusions were determined from an observation image (100 ⁇ m 2 ) of an atomic force microscope.
  • the mixture was uniformly dissolved by stirring to prepare a coating agent (coating solution) for undercoat.
  • the film thickness becomes 100 nm.
  • a layer made of a zinc oxide-based conductive material was formed to produce a zinc oxide-based conductive laminate.
  • the surface roughness Ra of the undercoat layer was 4.3 nm. Further, protrusions having an average diameter of 0.4 ⁇ m and a density of 4 pieces / 100 ⁇ m 2 were formed on the surface of the undercoat layer. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 2 A zinc oxide-based conductive laminate was produced in the same manner as in Example 1 except that the amount of the polyester resin was 0.5 parts by mass.
  • the surface roughness Ra of the undercoat layer was 5.6 nm. Further, protrusions having an average diameter of 0.4 ⁇ m and a density of 8/100 ⁇ m 2 were formed on the surface of the undercoat layer. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 3 A zinc oxide-based conductive laminate was produced in the same manner as in Example 1 except that the amount of the polyester resin was 18.0 parts by mass.
  • the surface roughness Ra of the undercoat layer was 8.2 nm. Further, protrusions having an average diameter of 1.5 ⁇ m and a density of 80/100 ⁇ m 2 were formed on the surface of the undercoat layer. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 4 A zinc oxide-based conductive laminate was produced in the same manner as in Example 1 except that the polyester resin was changed to Byron 220 (Toyobo Co., Ltd.).
  • the surface roughness Ra of the undercoat layer was 3.2 nm. Further, protrusions having an average diameter of 0.4 ⁇ m and a density of 6 pieces / 100 ⁇ m 2 were formed on the surface of the undercoat layer. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • a resin component of a urethane acrylate photopolymerizable prepolymer Arakawa Chemical Industries, Ltd., Beam Set 575CB, containing a photopolymerization initiator
  • Example 1 a zinc oxide-based conductive laminate was produced in the same manner as in Example 1.
  • the undercoat layer in Example 5 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the polyester resin were compatible, and no protrusions were observed on the surface.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 6 a zinc oxide-based conductive laminate was produced in the same manner as in Example 5 except that the thickness of the undercoat layer was 5 ⁇ m.
  • the undercoat layer in Example 6 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the polyester resin were compatible, and no protrusions were observed on the surface.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 7 a zinc oxide-based conductive laminate was produced in the same manner as in Example 5 except that 1.2 parts by mass of a butyl acrylate polymer (weight average molecular weight 1,500,000) was used as the thermoplastic resin. .
  • the undercoat layer in Example 7 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the butyl acrylate polymer were compatible, and no protrusions were observed on the surface.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 8 In Example 5, a zinc oxide-based conductive laminate was produced in the same manner as in Example 5 except that 10 parts by mass of a butyl acrylate polymer (weight average molecular weight 1,500,000) was used as the thermoplastic resin.
  • the undercoat layer in Example 8 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the butyl acrylate polymer were compatible, and no protrusions were observed on the surface.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 9 In Example 6, a polyethylene naphthalate film having a thickness of 200 ⁇ m (trade name “Teonex Q65FA” manufactured by Teijin DuPont Co., Ltd.) was used as a base material, and an undercoat layer was provided on the easy-adhesion treated surface of the polyethylene naphthalate film. Except for the above, a zinc oxide-based conductive laminate was produced in the same manner as in Example 6. The undercoat layer in Example 9 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the polyester resin were compatible, and no protrusions were observed on the surface. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 10 a zinc oxide-based conductive laminate was obtained in the same manner as in Example 5 except that 1.2 parts by mass of polyester resin (Toyobo Co., Ltd., Byron 290) as a solid content was added as a thermoplastic resin. Was made.
  • the undercoat layer in Example 10 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the polyester resin were compatible, and no protrusions were observed on the surface.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 11 In Example 5, a zinc oxide-based conductive laminate was prepared in the same manner as in Example 5 except that 1.2 parts by mass of polyester urethane resin (Toyobo Co., Ltd., Byron UR1400) as a solid content was added as a thermoplastic resin. The body was made. In addition, the undercoat layer in Example 11 was cured in a state in which the urethane acrylate photopolymerizable prepolymer and the polyester urethane resin were compatible, and no protrusions were observed on the surface. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • polyester urethane resin Toyobo Co., Ltd., Byron UR1400
  • Example 12 In Example 5, a zinc oxide-based conductive laminate was prepared in the same manner as in Example 5 except that 1.2 parts by mass of polyurethane resin (Sanyo Kasei Kogyo Co., Ltd., Sampler IB802) was added as a thermoplastic resin as a solid content. The body was made. The undercoat layer in Example 12 was cured in a state where the urethane acrylate photopolymerizable prepolymer and the polyurethane resin were compatible, and no protrusions were observed on the surface. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • polyurethane resin Sano Kasei Kogyo Co., Ltd., Sampler IB802
  • Example 1 In the formation of the undercoat layer of Example 1, a zinc oxide-based conductive laminate was produced in the same manner as in Example 1 except that no polyester resin was used.
  • the surface roughness Ra of the undercoat layer was 0.83 nm, and no protrusions were observed.
  • Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.
  • Example 2 A zinc oxide target material containing 5.7% by mass of Ga 2 O 3 by a DC magnetron sputtering method on a surface of easy adhesion of a 188 ⁇ m thick polyethylene terephthalate film (trade name “A4300” manufactured by Toyobo Co., Ltd.) A layer made of a zinc oxide-based conductive material was formed using a Sumitomo Metal Mining Co., Ltd. so as to have a film thickness of 100 nm, thereby producing a zinc oxide-based conductive laminate. That is, without providing an undercoat layer, a layer made of a zinc oxide-based conductive material was directly formed on the easy adhesion treated surface of the polyethylene terephthalate film. Table 1 shows the evaluation results of the surface resistivity and adhesion of the obtained zinc oxide-based conductive laminate.

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  • Engineering & Computer Science (AREA)
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Abstract

La présente invention porte sur un corps multicouche conducteur à oxyde de zinc comprenant une couche conductrice d'oxyde de zinc qui est supprimée lors d'un changement de résistivité électrique se produisant au fil du temps même dans un environnement chaud et humide, tout en présentant une excellente adhésion. La présente invention porte également sur un procédé de fabrication du corps multicouche conducteur à oxyde de zinc. Le corps multicouche conducteur à oxyde de zinc est caractérisé en ce qu'une sous-couche (12), qui contient un produit durci d'une résine pouvant durcir sous l'action d'un rayonnement énergétique et d'une résine thermoplastique, et une couche conductrice (13) qui est formée à partir d'un matériau conducteur à oxyde de zinc, sont formées de façon séquentielle sur au moins une surface d'une base (11).
PCT/JP2010/054874 2009-03-27 2010-03-19 Corps multicouche conducteur à oxyde de zinc et procédé de fabrication associé WO2010110224A1 (fr)

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CN2010800037218A CN102264535A (zh) 2009-03-27 2010-03-19 氧化锌系导电性层叠体及其制造方法
JP2011506032A JP5373887B2 (ja) 2009-03-27 2010-03-19 酸化亜鉛系導電性積層体及びその製造方法

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WO2013115310A1 (fr) * 2012-02-03 2013-08-08 株式会社きもと Base dotée d'un film transparent conducteur et panneau tactile
JP2016097562A (ja) * 2014-11-20 2016-05-30 日立化成株式会社 樹脂層付き基板の製造方法、導電層付き基板の製造方法、樹脂層付き基板、導電層付き基板及びタッチパネル。
JP2017054141A (ja) * 2016-11-16 2017-03-16 大日本印刷株式会社 インセルタッチパネル液晶素子の前面用の光学積層体及びインセルタッチパネル液晶表示装置、並びにそれらの製造方法

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TWI676185B (zh) * 2014-12-09 2019-11-01 日商琳得科股份有限公司 透明導電膜及透明導電膜之製造方法

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