WO2017110937A1 - Feuille adhésive pour élément conducteur, stratifié à élément conducteur, et dispositif d'affichage d'image - Google Patents

Feuille adhésive pour élément conducteur, stratifié à élément conducteur, et dispositif d'affichage d'image Download PDF

Info

Publication number
WO2017110937A1
WO2017110937A1 PCT/JP2016/088229 JP2016088229W WO2017110937A1 WO 2017110937 A1 WO2017110937 A1 WO 2017110937A1 JP 2016088229 W JP2016088229 W JP 2016088229W WO 2017110937 A1 WO2017110937 A1 WO 2017110937A1
Authority
WO
WIPO (PCT)
Prior art keywords
meth
adhesive sheet
pressure
sensitive adhesive
conductive member
Prior art date
Application number
PCT/JP2016/088229
Other languages
English (en)
Japanese (ja)
Inventor
亮太 山本
かほる 新美
秀次郎 吉川
誠 稲永
内田　貴久
Original Assignee
三菱樹脂株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱樹脂株式会社 filed Critical 三菱樹脂株式会社
Priority to CN201680076202.1A priority Critical patent/CN108431158B/zh
Priority to KR1020187021416A priority patent/KR102598110B1/ko
Publication of WO2017110937A1 publication Critical patent/WO2017110937A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/10—Adhesives in the form of films or foils without carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays

Definitions

  • the present invention relates to a pressure-sensitive adhesive sheet for a conductive member and a conductive member laminate using the pressure-sensitive adhesive sheet.
  • a pressure-sensitive adhesive sheet for a conductive member and a conductive member laminate using the pressure-sensitive adhesive sheet In particular, in an image display device using an image display panel such as a plasma display (PDP), a liquid crystal display (LCD), an organic EL display (OLED), an inorganic EL display, an electrophoretic display (EPD), an interference modulation display (IMOD), etc.
  • PDP plasma display
  • LCD liquid crystal display
  • OLED organic EL display
  • EPD electrophoretic display
  • IMOD interference modulation display
  • the present invention relates to a pressure-sensitive adhesive sheet for a conductive member suitable for bonding conductive members such as a transparent conductive layer.
  • Image display devices such as personal computers, mobile terminals (PDAs), game machines, televisions (TVs), car navigation systems, touch panels, pen tablets, for example, plasma displays (PDPs), liquid crystal displays (LCDs), organic EL displays (OLEDs) ),
  • PDAs mobile terminals
  • LCDs liquid crystal displays
  • OLEDs organic EL displays
  • An image display device using a flat or curved image display panel such as an inorganic EL display, an electrophoretic display (EPD), an interferometric modulation display (IMOD), etc.
  • a gap is not provided between the constituent members, and the constituent materials are bonded and integrated with an adhesive sheet or a liquid adhesive.
  • an adhesive sheet or liquid adhesive is provided between the surface protection panel and the viewing side of the liquid crystal module.
  • the touch panel and other constituent members, for example, the touch panel and the liquid crystal module, and the touch panel and the surface protection panel are bonded and integrated.
  • Touch panels are usually made of metal oxides such as tin-doped indium oxide (ITO), indium-gallium-zinc composite oxide (IGZO), and Ga-doped zinc oxide (GZO), and metal materials such as silver, copper, and molybdenum.
  • ITO tin-doped indium oxide
  • IGZO indium-gallium-zinc composite oxide
  • GZO Ga-doped zinc oxide
  • metal materials such as silver, copper, and molybdenum.
  • an upper electrode plate and a lower electrode plate having a transparent conductive layer formed of fine wiring, silver nanowires, carbon nanotubes, or the like.
  • a conductor pattern formed of a metal material is interposed between the transparent conductive layer and a control means such as an IC. It is formed.
  • the transparent conductive layer and conductor pattern formed from these various materials are usually fixed so that the surface is in contact with the adhesive.
  • the transparent conductive layer and the conductive pattern are vulnerable to corrosion, and may corrode due to the outgas of the adhesive material or the acid component derived from the elution component in a high temperature or wet heat environment, possibly resulting in disconnection.
  • Patent Document 1 discloses a pressure-sensitive adhesive sheet for metal sticking containing benzotriazole and / or a derivative thereof as a metal corrosion inhibitor.
  • Patent Document 2 discloses a pressure-sensitive adhesive composition
  • a pressure-sensitive adhesive composition comprising an acrylic polymer and a crosslinking agent, each of which includes an alkoxyalkyl acrylate and an acrylic monomer having a crosslinkable functional group as essential components.
  • a pressure-sensitive adhesive composition substantially free of a carboxyl group-containing monomer. According to this pressure-sensitive adhesive composition, yellowing is suppressed by using a specific amount of an aliphatic isocyanate crosslinking agent and an amine compound containing a plurality of hydroxyl groups, and the acrylic polymer has a crosslinked structure. Accordingly, it is disclosed that even when a carboxyl group-containing monomer component is not included, the anti-foaming / peeling property under high temperature can be satisfied.
  • the constituent members used in the image display device include members that generate gas (also referred to as “outgas”) over time in a high-temperature or high-humidity environment.
  • gas also referred to as “outgas”
  • the pressure-sensitive adhesive sheet also needs to have foaming reliability that can sufficiently resist the gas pressure of outgas.
  • the double-sided pressure-sensitive adhesive sheet containing the metal corrosion inhibitor of Patent Document 1 has a problem that the metal corrosion inhibitor is foamed in a durability test that is irradiated with ultraviolet rays, and optical properties are deteriorated.
  • the problem to be solved by the present invention is to provide a pressure-sensitive adhesive sheet for a conductive member that does not corrode the conductive member and has foaming reliability and good curing characteristics. More specifically, even if directly bonded to the conductive layer surface of the transparent conductive layer or a conductor pattern (wiring pattern) formed of a metal material, these are not corroded and insulated from the conductive layer surface of the transparent conductive layer. It is to provide a pressure-sensitive adhesive sheet for a conductive member that does not corrode a transparent conductive layer even when bonded through a protective film (passivation film).
  • the main feature of the present invention is that it has a pressure-sensitive adhesive layer comprising a pressure-sensitive adhesive composition containing a (meth) acrylic copolymer and 1,2,3-triazole.
  • the pressure-sensitive adhesive sheet for a conductive member of the present invention has corrosion resistance reliability with respect to a conductive member and can also have foaming reliability reliability and good curing characteristics as a pressure-sensitive adhesive sheet. Therefore, the pressure-sensitive adhesive sheet for a conductive member of the present invention is a pressure-sensitive adhesive sheet suitable for bonding various conductive members such as a conductive member having a conductive pattern formed of a transparent conductive layer and / or a metal material containing copper or silver. Can be used. In particular, it can be suitably used as an adhesive sheet for an image display device having a touch panel.
  • (A) is the top view of the ITO pattern of the ITO glass substrate for oxidation deterioration prevention evaluation, or copper for corrosion resistance reliability evaluation
  • (B) is a top view showing a state where an adhesive sheet is coated on an ITO glass substrate for evaluating oxidation resistance, or an adhesive sheet on a copper glass substrate for evaluating corrosion resistance The top view which showed the coat
  • (C) is sectional drawing of the sample for oxidation deterioration prevention evaluation
  • (D) is sectional drawing of the sample for corrosion resistance reliability evaluation.
  • An adhesive sheet for a conductive member according to an example of an embodiment of the present invention (hereinafter also referred to as “the present adhesive sheet”) includes a (meth) acrylic (co) polymer and 1,2,3-triazole. It has the adhesive layer which consists of an adhesive composition to contain.
  • the pressure-sensitive adhesive layer may be a single layer or a multilayer, and in the case of a multilayer, other layers such as a so-called base material layer may be interposed.
  • the surface layer of the pressure-sensitive adhesive sheet is preferably a pressure-sensitive adhesive layer made of the pressure-sensitive adhesive composition.
  • the thickness of the pressure-sensitive adhesive layer made of the pressure-sensitive adhesive composition is not limited, but is preferably 10% or more, more preferably 30% or more with respect to the total thickness of the pressure-sensitive adhesive sheet. More preferably, it is 50% or more.
  • the thickness of the pressure-sensitive adhesive layer made of the pressure-sensitive adhesive composition is in the above range, it is preferable because corrosion resistance, foaming reliability, and curing characteristics with respect to the conductive member are improved.
  • “(co) polymer” includes a homopolymer and a copolymer
  • “(meth) acrylate” includes an acrylate and a methacrylate.
  • the pressure-sensitive adhesive composition used for the pressure-sensitive adhesive sheet contains a (meth) acrylic (co) polymer and 1,2,3-triazole.
  • the present composition may further contain a phosphite compound, a crosslinking agent, a photopolymerization initiator, an antioxidant, and other components.
  • the composition is preferably a photocurable composition.
  • (meth) acrylic (co) polymer examples include, for example, copolymers obtained by polymerizing alkyl (meth) acrylate homopolymers and copolymerizable monomer components. More preferably, among alkyl (meth) acrylates and carboxyl group-containing monomers, hydroxyl group-containing monomers, amino group-containing monomers, epoxy group-containing monomers, amide group-containing monomers, and other vinyl monomers copolymerizable therewith. Examples thereof include a copolymer containing any one or more selected monomers as a structural unit.
  • the (meth) acrylic (co) polymer can be produced by a conventional method using the following monomers or the like, if necessary, using a polymerization initiator.
  • the (meth) acrylic (co) polymer is a copolymer containing a carboxyl group-containing monomer as a constituent unit
  • the (meth) acrylic (co) polymer contains a carboxyl group from the viewpoint of obtaining excellent adhesive properties.
  • the monomer content is preferably 1.2 to 15% by mass, more preferably 1.5% by mass or more and 10% by mass or less, and most preferably 2.0% by mass or more or 8% by mass or less.
  • a more specific (meth) acrylic (co) polymer a linear or branched alkyl (meth) acrylate having 4 to 18 carbon atoms in the side chain (hereinafter also referred to as “copolymerizable monomer A”). And a copolymer composed of any one or more monomer components selected from the following group copolymerizable therewith.
  • Carboxyl group-containing monomer (hereinafter also referred to as “copolymerizable monomer B”) Macromonomer (hereinafter also referred to as “copolymerizable monomer C”) (Meth) acrylate having 1 to 3 carbon atoms in the side chain (hereinafter also referred to as “copolymerizable monomer D”) Hydroxyl group-containing monomer (hereinafter also referred to as “copolymerizable monomer E”)
  • copolymerizable monomer F Other vinyl monomers
  • a (meth) acrylic (co) polymer (a) a copolymer composed of a monomer component containing a copolymerizable monomer A and a copolymerizable monomer B and / or copolymerizable monomer C And a monomer component including (b) a copolymerizable monomer A, a copolymerizable monomer B and / or a copolymerizable monomer C, and a copolymerizable monomer D and / or a copolymerizable monomer E.
  • a copolymer can also be mentioned as a particularly preferred example.
  • Examples of the straight chain or branched alkyl (meth) acrylate (copolymerizable monomer A) having 4 to 18 carbon atoms in the side chain include, for example, n-butyl (meth) acrylate, isobutyl (meth) acrylate, sec-butyl (meth) ) Acrylate, t-butyl (meth) acrylate, pentyl (meth) acrylate, isopentyl (meth) acrylate, neopentyl (meth) acrylate, hexyl (meth) acrylate, cyclohexyl (meth) acrylate, heptyl (meth) acrylate, 2-ethylhexyl (Meth) acrylate, n-octyl (meth) acrylate, isooctyl (meth) acrylate, nonyl (meth) acrylate, isononyl (meth) acryl
  • the copolymerizable monomer A is preferably contained in the total monomer components of the copolymer in an amount of 30% by mass or more and 90% by mass or less, particularly 35% by mass or more and 88% by mass or less, and especially 40% by mass. More preferably, it is contained in the range of 85% by mass or less.
  • Examples of the carboxyl group-containing monomer (copolymerizable monomer B) include (meth) acrylic acid, 2- (meth) acryloyloxyethylhexahydrophthalic acid, 2- (meth) acryloyloxypropylhexahydrophthalic acid, 2 -(Meth) acryloyloxyethyl phthalic acid, 2- (meth) acryloyloxypropyl phthalic acid, 2- (meth) acryloyloxyethyl maleic acid, 2- (meth) acryloyloxypropyl maleic acid, 2- (meth) acryloyloxy Mention may be made of ethyl succinic acid, 2- (meth) acryloyloxypropyl succinic acid, crotonic acid, fumaric acid, maleic acid and itaconic acid. These may be used alone or in combination of two or more. “(Meth) acryl” means to include acrylic and methacrylic.
  • the copolymerizable monomer B is 1.2% by mass or more and 15% by mass or less in all monomer components of the copolymer, and from the viewpoint of obtaining excellent adhesive physical properties, 1.5% by mass or more or 10% by mass or less, In particular, it is preferably contained in the range of 2% by mass or more or 8% by mass or less.
  • the macromonomer (copolymerizable monomer C) is a monomer having 20 or more carbon atoms in the side chain when it becomes a (meth) acrylic (co) polymer by polymerization.
  • a (meth) acrylic (co) polymer can be used as a graft copolymer. Therefore, the characteristics of the main chain and side chain of the graft copolymer can be changed depending on the selection and blending ratio of the copolymerizable monomer C and other monomers.
  • the skeleton component is preferably composed of an acrylic polymer or a vinyl polymer.
  • the skeleton component of the macromonomer include those exemplified by the copolymerizable monomer A, the copolymerizable monomer B, the copolymerizable monomer D described below, and the copolymerizable monomer E described below. Can be used alone or in combination of two or more.
  • the macromonomer has a radical polymerizable group or a functional group such as a hydroxyl group, an isocyanate group, an epoxy group, a carboxyl group, an amino group, an amide group, or a thiol group.
  • a radical polymerizable group or a functional group such as a hydroxyl group, an isocyanate group, an epoxy group, a carboxyl group, an amino group, an amide group, or a thiol group.
  • those having a radical polymerizable group copolymerizable with other monomers are preferable.
  • One or two or more radically polymerizable groups may be contained, and one of them is particularly preferred.
  • the macromonomer has a functional group, one or two or more functional groups may be contained, and one of them is particularly preferable. Further, either one of the radical polymerizable group and the functional group may be contained.
  • the number average molecular weight of the copolymerizable monomer C is preferably 500 to 20,000, more preferably 800 or more and 8000 or less, and particularly preferably 1000 or more and 7000 or less.
  • the macromonomer a generally produced one (for example, a macromonomer manufactured by Toa Gosei Co., Ltd.) can be appropriately used.
  • the copolymerizable monomer C is 5% by mass or more and 30% by mass or less, more preferably 6% by mass or more and 25% by mass or less, and particularly preferably 8% by mass or more or 20% by mass or less in the total monomer components of the copolymer. It is preferable to contain in the range.
  • Examples of the (meth) acrylate (copolymerizable monomer D) having 1 to 3 carbon atoms in the side chain include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, i-propyl (meth) ) Acrylate and the like. These may be used alone or in combination of two or more.
  • the copolymerizable monomer D is preferably contained in the total monomer component of the copolymer in an amount of 0% by mass to 70% by mass, more preferably 3% by mass or 65% by mass, and particularly preferably 5% by mass or more. Or it is further more preferable to contain in the range of 60 mass% or less.
  • hydroxyl group-containing monomer (copolymerizable monomer E) examples include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, etc. And hydroxyalkyl (meth) acrylates. These may be used alone or in combination of two or more.
  • the copolymerizable monomer E is preferably contained in an amount of 0% by mass or more and 30% by mass or less in all monomer components of the copolymer, particularly 0% by mass or more or 25% by mass or less, and more preferably 0% by mass or more. Or it is further more preferable to contain in 20 mass% or less.
  • Examples of the other vinyl monomer (copolymerizable monomer F) include compounds having a vinyl group in the molecule, excluding the copolymerizable monomers A to E.
  • Such compounds include functional monomers having functional groups such as amide groups and alkoxylalkyl groups in the molecule, and polyalkylene glycol di (meth) acrylates, and vinyls such as vinyl acetate, vinyl propionate and vinyl laurate.
  • Examples include ester monomers and aromatic vinyl monomers such as styrene, chlorostyrene, chloromethylstyrene, ⁇ -methylstyrene and other substituted styrenes. These may be used alone or in combination of two or more.
  • the copolymerizable monomer F is preferably contained in the total monomer component of the copolymer in an amount of 0% by mass to 30% by mass, more preferably 0% by mass or more or 25% by mass or less, and particularly preferably 0% by mass or more. Or it is further more preferable to contain in 20 mass% or less.
  • acid anhydride group-containing monomers such as maleic anhydride and itaconic anhydride; glycidyl (meth) acrylate, glycidyl ⁇ -ethyl acrylate, (meth) acrylic acid-3,4-epoxybutyl, etc.
  • Epoxy group-containing monomers amino group-containing (meth) acrylic acid ester monomers such as dimethylaminoethyl (meth) acrylate and diethylaminoethyl (meth) acrylate; (meth) acrylamide, Nt-butyl (meth) acrylamide, N- Monomers containing amide groups or imide groups such as methylol (meth) acrylamide, N-methoxymethyl (meth) acrylamide, N-butoxymethyl (meth) acrylamide, diacetone (meth) acrylamide, maleic acid amide, maleimide; vinyl pyrrolidone , Vinyl Jin, can be appropriately used depending or the like need heterocyclic basic monomers such as vinyl carbazole.
  • amino group-containing (meth) acrylic acid ester monomers such as dimethylaminoethyl (meth) acrylate and diethylaminoethyl (meth) acrylate
  • (meth) acrylic (co) polymers include, for example, 2-ethylhexyl (meth) acrylate, octyl (meth) acrylate, decyl (meth) acrylate, isostearyl (meth) acrylate, butyl ( Monomer component (a) such as (meth) acrylate, ethyl (meth) acrylate, methyl (meth) acrylate and the like, (meth) acrylic acid having a carboxyl group, 2- (meth) acryloyloxyethyl hexahydrophthalic acid, 2- ( (Meth) acryloyloxypropylhexahydrophthalic acid, 2- (meth) acryloyloxyethylphthalic acid, 2- (meth) acryloyloxypropylphthalic acid, 2- (meth) acryloyloxyethylmaleic acid, 2- (meth) acryloyloxy Propyl
  • the mass average molecular weight of the (meth) acrylic (co) polymer is preferably 100,000 or more and 1.5 million or less, more preferably 150,000 or more and 1.3 million or less, and particularly preferably 200,000 or more or 1,200,000 or less.
  • the mass average molecular weight of the (meth) acrylic (co) polymer is 700,000 to 1,500,000 from the viewpoint of obtaining cohesive force due to entanglement of molecular chains as the molecular weight increases. In particular, it is particularly preferably 800,000 or more or 1.3 million or less.
  • the mass average molecular weight is preferably 100,000 or more and 700,000 or less, particularly 150,000 or more or 600,000 or less.
  • the (meth) acrylic (co) polymer has a mass average molecular weight of 100,000 or more and 700,000. In particular, 150,000 or more or 600,000 or less is preferable, and 200,000 or more or 500,000 or less is particularly preferable.
  • the composition contains 1,2,3-triazole.
  • 1,2,3-triazole has a function as a metal corrosion inhibitor for the conductive layer of the conductive member. Since 1,2,3-triazole is excellent in copper corrosion resistance against copper and foaming reliability as a pressure-sensitive adhesive sheet, the present composition containing 1,2,3-triazole contains a transparent conductive layer and copper. It can be suitably used as a conductive member having a conductor pattern (wiring pattern) formed of a metal material containing. The reason is to prevent corrosion by forming a protective film in which copper atoms and 1,2,3-triazole molecules are chemically bonded to the surface of the conductor pattern made of a metal material containing copper. It is because it is guessed. In addition, the effect of the protective film by 1,2,3-triazole can be similarly achieved in a conductive member having a conductor pattern formed of a metal material containing silver.
  • 1,2,4-triazole exists as an isomer of 1,2,3-triazole.
  • the 1,2,4-triazole is a solid having a melting point of about 120 ° C.
  • 1,2,3-triazole has a melting point of about 20 ° C. and is almost in a liquid state at room temperature. Therefore, 1,2,3-triazole has excellent advantages such as excellent dispersibility when mixed into the pressure-sensitive adhesive composition, uniform mixing, and easy masterbatch formation.
  • 1,2,3-triazole is added in an amount of 0.1 to 100 parts by mass of the (meth) acrylic (co) polymer. It is preferably contained in a proportion of 01 parts by mass or more and 5 parts by mass or less, especially 0.1 parts by mass or more or 1 part by mass or less, and among them, it is contained in a proportion of 0.2 parts by mass or more or 0.5 parts by mass or less Even more preferably.
  • 1,2,4-triazole may be used in combination with 1,2,3-triazole.
  • the present composition can further contain a phosphite compound.
  • the phosphite compound is not itself corrosive and can stabilize acid components such as carboxyl groups. Therefore, by blending a phosphite compound with this composition containing a predetermined (meth) acrylic (co) polymer, the conductive member which is an adherend even if this composition contains an acid component Oxidative degradation of the conductive member as an adherend can be prevented as well as the present composition of course when the composition does not contain an acid component.
  • an adhesive sheet is formed from the present composition containing a phosphite compound, a conductive member (typically a conductive pattern formed of a transparent conductive layer containing ITO and / or a metal material containing copper or silver)
  • a conductive member typically a conductive pattern formed of a transparent conductive layer containing ITO and / or a metal material containing copper or silver
  • the conductive member can be prevented from being oxidized and deteriorated. Therefore, for example, it can be suitably used as an adhesive sheet for an image display device having a touch panel.
  • the phosphite compound that can be contained in the composition is not limited. Among these, a phosphite compound represented by the following formula (1) is preferable.
  • R is a hydrocarbon, and specific examples include a substituted or unsubstituted aromatic group, an alicyclic ring, and an alkyl group.
  • the plurality of R may be the same or different from each other, and are adjacent to each other.
  • a plurality of R may be bonded to each other to form a saturated or unsaturated ring structure.
  • it may be a compound containing two or more structural units represented by the above formula (1).
  • Examples of the phosphite compound contained in the composition include triphenyl phosphite, trisnonylphenyl phosphite, tricresyl phosphite, tristearyl phosphite, triethyl phosphite, tris phosphite ( 2-ethylhexyl), tridecyl phosphite, trilauryl phosphite, tris phosphite (tridecyl), trioleyl phosphite, diphenyl phosphite (2-ethylhexyl), diphenyl monodecyl phosphite, diphenyl phosphite Mono (tridecyl), tetraphenyldipropylene dipropylene glycol diphosphite, tetraphenyl (tetratridecyl) pentaerythritol tetraphos
  • an aliphatic phosphite ester for example, a phosphite compound of Example 2-2 as a phosphite compound
  • Tridecyl phosphate and 3,9-bis (decyloxy) -2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane of Example 2-3) are preferred.
  • aromatic phosphite esters for example, tris (2,4-di-t-butylphenyl) phosphite as the phosphite compound of Example 2-1
  • a phosphite having both an aliphatic ester group such as diphenyl phosphite mono (tridecyl) and an aromatic ester group is preferable.
  • the content ratio of the phosphite compound does not impair the adhesive performance, and from the viewpoint of more effectively suppressing the oxidative deterioration of the conductive member such as ITO, (meth) acrylic (co)
  • the phosphite compound is preferably contained in an amount of 0.0001 (1 ⁇ 10 ⁇ 4 ) parts by mass to 2.0 parts by mass with respect to 100 parts by mass of the polymer, and more preferably 0.0005 parts by mass or more. Or 0.8 parts by mass or less, more preferably 0.001 parts by mass or more or 0.7 parts by mass or less, particularly preferably 0.01 parts by mass or more or 0.6 parts by mass or less. .
  • composition may contain other metal corrosion inhibitors such as 1,2,4-triazole, benzotriazole and derivatives thereof.
  • This composition may contain a crosslinking agent as needed.
  • a crosslinking agent for example, as a method of crosslinking the above-mentioned (meth) acrylic (co) polymer, crosslinking capable of chemically bonding with a reactive group such as a hydroxyl group or a carboxyl group introduced into the (meth) acrylic (co) polymer.
  • reaction agent react by heating or curing, add reaction initiator such as polyfunctional (meth) acrylate having 2 or more (meth) acryloyl groups as crosslinking agent and photopolymerization initiator, UV irradiation
  • crosslinking by etc. can be mentioned.
  • a crosslinking method by irradiation with light such as ultraviolet rays is preferred from the viewpoint that polar functional groups such as carboxyl groups in the present composition are not consumed by the reaction and high cohesive force derived from polar components and adhesive properties can be maintained.
  • crosslinking agent examples include (meth) acryloyl group, epoxy group, isocyanate group, carboxyl group, hydroxyl group, carbodiimide group, oxazoline group, aziridine group, vinyl group, amino group, imino group, amide group, and N-substituted.
  • the crosslinking agent which has at least 1 sort (s) of crosslinkable functional group chosen from a (meth) acrylamide group and an alkoxy silyl group can be mentioned, You may use 1 type or in combination of 2 or more types.
  • the crosslinkable functional group may be protected with a deprotectable protecting group.
  • polyfunctional (meth) acrylate is preferable from the viewpoint of easy control of the crosslinking reaction.
  • examples of such polyfunctional (meth) acrylates include 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, 1,9-nonanediol di (meth) acrylate, poly Alkylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate, glycerin di (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol hexa (meth) acrylate, tri
  • UV-curable polyfunctional monomers such as pentaerythritol penta (meth) acrylate, trimethylolpropane tri (meth)
  • cross-linking agent having two or more cross-linkable functional groups examples include glycidyl (meth) acrylate, glycidyl ⁇ -ethyl acrylate, 3,4-epoxybutyl (meth) acrylate, 4-hydroxybutyl ( Epoxy group-containing monomers such as (meth) acrylate glycidyl ether; 2-isocyanatoethyl (meth) acrylate, 2- (2- (meth) acryloyloxyethyloxy) ethyl isocyanate, (meth) acrylic acid 2- (0- [ Monomers containing isocyanate groups or blocked isocyanate groups such as 1′-methylpropylideneamino] carboxyamino) ethyl, 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl (meth) acrylate; vinyltrimethoxysilane, Vinyltriethoxysilane, 3-glycidoxypro
  • the crosslinking agent having two or more kinds of crosslinkable functional groups has a structure in which one functional group is reacted with a (meth) acrylic (co) polymer and bonded to the (meth) acrylic (co) polymer. Good.
  • a double bondable crosslinkable functional group such as a (meth) acryloyl group or a vinyl group to the (meth) acrylic (co) polymer.
  • a crosslinking agent is couple
  • the reaction efficiency of the photocrosslinking reaction is promoted by bonding the crosslinking agent to the (meth) acrylic (co) polymer, a cured product having a higher cohesive force tends to be obtained. .
  • the present composition may further contain a monofunctional monomer that reacts with the crosslinkable functional group of the crosslinking agent.
  • monofunctional monomers include alkyl (meth) acrylates such as methyl acrylate; hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, polyalkylene glycol (meth) acrylate, and the like.
  • Ether group-containing (meth) acrylate (meth) acrylamide, dimethyl (meth) acrylamide, diethyl (meth) acrylamide, (meth) acryloylmorpholine, isopropyl (meth) acrylamide, dimethylaminopropyl (meth) acrylamide, phenyl (meth)
  • examples include (meth) acrylamide monomers such as acrylamide, N-methoxymethyl (meth) acrylamide, and N-butoxymethyl (meth) acrylamide.
  • a hydroxyl group-containing (meth) acrylate or a (meth) acrylamide monomer it is preferable to use a hydroxyl group-containing (meth) acrylate or a (meth) acrylamide monomer.
  • the content of the crosslinking agent is a ratio of 0.01 to 10 parts by mass with respect to 100 parts by mass of the (meth) acrylic (co) polymer, from the viewpoint of balancing the flexibility and cohesion of the composition.
  • it is preferably 0.05 parts by mass or more and 8 parts by mass or less, and particularly preferably 0.1 parts by mass or more or 5 parts by mass or less.
  • this adhesive sheet is a multilayer, about the layer used as an intermediate
  • the content of the crosslinking agent in the intermediate layer or the layer serving as the base material is preferably blended at a ratio of 0.01 to 40 parts by mass with respect to 100 parts by mass of the (meth) acrylic (co) polymer. Especially, it is particularly preferably 1 part by mass or more and 30 parts by mass or less, and particularly preferably 2 parts by mass or more or 25 parts by mass or less.
  • Photopolymerization initiator When performing crosslinking by light irradiation, it is preferable to contain a photopolymerization initiator. Radical generation mechanisms by photopolymerization initiators are broadly classified into two types: ⁇ -cleavage type that cleaves and decomposes its own single bond to generate radicals, and hydrogen abstraction that excites hydrogen from compounds in the system to generate radicals. There is a type. Among these, it is preferable to use a hydrogen abstraction type photocrosslinking initiator.
  • an organic crosslinking agent having a (meth) acryloyl group is used as the crosslinking agent, it is particularly preferable to further add a photopolymerization initiator. This is because radicals are generated by light irradiation and become the starting point of the polymerization reaction in the system.
  • the photopolymerization initiator those currently known can be used as appropriate.
  • a photopolymerization initiator that is sensitive to ultraviolet rays having a wavelength of 380 nm or less is preferable from the viewpoint of easy control of the crosslinking reaction.
  • a photopolymerization initiator sensitive to light having a wavelength longer than 380 nm is preferable in that high photoreactivity can be obtained and sensitive light can easily reach the deep part of the pressure-sensitive adhesive sheet.
  • Photopolymerization initiators are roughly classified into two types depending on the radical generation mechanism, a cleavage-type photopolymerization initiator that can cleave and decompose a single bond of the photopolymerization initiator itself to generate a radical, and a photoexcited initiator. It is roughly classified into a hydrogen abstraction type photopolymerization initiator which can form an exciplex with a hydrogen donor in the system and transfer hydrogen of the hydrogen donor.
  • the cleavage type photopolymerization initiator decomposes to generate another compound when generating radicals by light irradiation, and once excited, it does not function as a crosslinking initiator. For this reason, it does not remain as an active species in the pressure-sensitive adhesive after the crosslinking reaction is completed, and it is not likely to cause unexpected light degradation or the like in the pressure-sensitive adhesive, which is preferable.
  • a hydrogen abstraction type photopolymerization initiator does not generate a decomposition product like a cleavage type photopolymerization initiator during radical generation reaction by irradiation with active energy rays such as ultraviolet rays, so it is difficult to become a volatile component after the reaction is completed. This is useful in that damage to the body can be reduced.
  • bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide, 2,4,4 is high in sensitivity to light and dissociates as a decomposition product after the reaction.
  • Acylphosphine oxides such as 6-trimethylbenzoyldiphenylphosphine oxide, (2,4,6-trimethylbenzoyl) ethoxyphenylphosphine oxide, bis (2,6-dimethoxybenzoyl) 2,4,4-trimethylpentylphosphine oxide Photoinitiators are preferred.
  • Examples of the hydrogen abstraction type photopolymerization initiator include benzophenone, 4-methyl-benzophenone, 2,4,6-trimethylbenzophenone, 4-phenylbenzophenone, 3,3′-dimethyl-4-methoxybenzophenone, 4- (meta ) Acryloyloxybenzophenone, 4- [2-((meth) acryloyloxy) ethoxy] benzophenone, 4- (meth) acryloyloxy-4′-methoxybenzophenone, methyl 2-benzoylbenzoate, methyl benzoylformate, bis (2- Phenyl-2-oxoacetic acid) oxybisethylene, 4- (1,3-acryloyl-1,4,7,10,13-pentaoxotridecyl) benzophenone, thioxanthone, 2-chlorothioxanthone, 3-methylthioxanthone, 2 , 4-Dimethylthioxanthone And anthraquinone,
  • benzophenone 4-methyl-benzophenone, 2,4,6-trimethylbenzophenone, 4-phenylbenzophenone, 3,3′-dimethyl-4-methoxybenzophenone, 4- (meth) acryloyloxybenzophenone, 4- [ 2-((Meth) acryloyloxy) ethoxy] benzophenone, 4- (meth) acryloyloxy-4′-methoxybenzophenone, methyl 2-benzoylbenzoate and methyl benzoylformate are preferred.
  • the photoinitiator mentioned above may use any 1 type or its derivative (s), and may use them in combination of 2 or more type.
  • a sensitizer in addition to the photopolymerization initiator.
  • the sensitizer is not particularly limited, and any sensitizer that can be used as a photopolymerization initiator can be used without any problem. Examples include aromatic amines, anthracene derivatives, anthraquinone derivatives, coumarin derivatives, thioxanthone derivatives, phthalocyanine derivatives, aromatic ketones such as benzophenone, xanthone, thioxanthone, Michler ketone, 9,10-phenanthraquinone, and derivatives thereof.
  • the photoinitiator and the sensitizer may be contained in a state of being bonded to the (meth) acrylic (co) polymer.
  • a method for bonding a photopolymerization initiator or a sensitizer to a (meth) acrylic (co) polymer the same method as that for bonding the crosslinking agent to a (meth) acrylic (co) polymer is adopted. can do.
  • the content of the photopolymerization initiator is not particularly limited, and is typically 0.1 to 10 parts by mass, and particularly preferably 0.1 to 10 parts by mass with respect to 100 parts by mass of the (meth) acrylic (co) polymer. It is particularly preferable to adjust at a ratio of 2 parts by mass or more or 5 parts by mass or less, and among them, 0.5 parts by mass or more or 3 parts by mass or less. However, this range may be exceeded in balance with other elements.
  • the present composition may contain an antioxidant as necessary.
  • the antioxidant include 2,2′-methylenebis (4-methyl-6-tert-butylphenol), hexamethylene glycol-bis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate), Tetrakis [methylene (3,5-di-tert-butyl-4-hydroxyhydrocinnamate)] methane, triethylene glycol-bis-3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate, 1,3,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-hydroxy-benzyl) benzene, n-octadecyl-3- (4′-hydroxy-3 ′, 5 '-Di-t-butylphenol) propionate, 4,4'-methylenebis (2,6-di-t-butylphenol), 4,4'-butylidene-bis- (6
  • the present composition may appropriately contain known components blended in a normal pressure-sensitive adhesive composition.
  • light stabilizers such as light stabilizers, UV absorbers, metal deactivators, rust inhibitors (excluding metal corrosion inhibitors described above), anti-aging agents, antistatic agents, hygroscopic agents, foaming agents, antifoaming agents, inorganic
  • additives such as particles, viscosity modifiers, tackifier resins, photosensitizers, fluorescent agents, and reaction catalysts (tertiary amine compounds, quaternary ammonium compounds, tin laurate compounds, etc.) are appropriately added. It is possible.
  • the pressure-sensitive adhesive composition used in the pressure-sensitive adhesive sheet comprises a (meth) acrylic (co) polymer, 1,2,3-triazole and other components as necessary, such as a phosphite compound, It can be obtained by mixing a predetermined amount of a crosslinking agent or the like. These mixing methods are not particularly limited, and the order of mixing the components is not particularly limited.
  • a heat treatment step may be performed at the time of producing the present composition. In this case, it is desirable to perform heat treatment after previously mixing the components of the present composition. You may use what concentrated various mixing components into the masterbatch.
  • the apparatus for mixing is not particularly limited, and for example, a universal kneader, a planetary mixer, a Banbury mixer, a kneader, a gate mixer, a pressure kneader, three rolls, and two rolls can be used. You may mix using a solvent as needed.
  • this composition can be used as a solvent-free system which does not contain a solvent. By using it as a solvent-free system, the solvent does not remain, and there can be provided the advantages that the heat resistance and light resistance are enhanced.
  • the present composition is a composition containing a monomer component constituting the (meth) acrylic (co) polymer, 1,2,3-triazole, a photopolymerization initiator, and other optional components, which is electrically conductive.
  • a monomer component constituting the (meth) acrylic (co) polymer 1,2,3-triazole, a photopolymerization initiator, and other optional components, which is electrically conductive.
  • this pressure-sensitive adhesive sheet can be used as a single-layer or multi-layer sheet on a release film. It can also be.
  • the material of the release film include a polyester film, a polyolefin film, a polycarbonate film, a polystyrene film, an acrylic film, a triacetyl cellulose film, and a fluororesin film. Among these, a polyester film and a polyolefin film are particularly preferable.
  • the thickness of the release film is not particularly limited. Among them, for example, from the viewpoint of processability and handling properties, it is preferably 25 ⁇ m to 500 ⁇ m, more preferably 38 ⁇ m or more and 250 ⁇ m or less, and particularly preferably 50 ⁇ m or more or 200 ⁇ m or less.
  • the pressure-sensitive adhesive sheet may employ a method of directly extruding the composition or a method of molding by pouring into a mold without using an adherend or a release film as described above. I can do it. Furthermore, it can also be set as the aspect of an adhesive sheet by directly filling this composition between members, such as an electrically-conductive member.
  • the resistance value ( ⁇ 0) at room temperature of the ITO wiring in the ITO wiring with the adhesive sheet is measured in advance, and the ITO wiring with the adhesive sheet is stored in an environment of 65 ° C. and 90% RH for 500 hours.
  • the resistance value ( ⁇ ) after the storage of the ITO wiring in the ITO wiring with the adhesive sheet is measured.
  • the adhesive composition for conductive member (this composition) is formed into a sheet having a thickness of 150 ⁇ m to form an adhesive sheet, and the copper wiring substrate for evaluation formed by forming a copper wiring on the glass substrate is A pressure sensitive adhesive sheet is bonded to produce a copper wiring with a pressure sensitive adhesive sheet.
  • the resistance value ( ⁇ 0) at room temperature of the copper wiring in the copper wiring with the adhesive sheet is measured in advance, and the copper wiring with the adhesive sheet is stored in an environment of 65 ° C. and 90% RH for 500 hours.
  • the resistance value ( ⁇ ) after the storage of the copper wiring in the copper wiring with the adhesive sheet is measured.
  • the pressure-sensitive adhesive sheet is preferably optically transparent. That is, it is preferably a transparent adhesive sheet.
  • optically transparent means that the total light transmittance is 80% or more, preferably 85% or more, and more preferably 90% or more.
  • the thickness of the pressure-sensitive adhesive sheet is preferably 10 ⁇ m or more and 500 ⁇ m or less, more preferably 15 ⁇ m or more or 400 ⁇ m or less, and particularly preferably 20 ⁇ m or more or 350 ⁇ m or less.
  • This adhesive sheet is, for example, an image display device such as a personal computer, a mobile terminal (PDA), a game machine, a television (TV), a car navigation system, a touch panel, a pen tablet, such as a plasma display (PDP), a liquid crystal display (LCD).
  • an image display device using an image display panel such as an organic EL display (OLED), an inorganic EL display, an electrophoretic display (EPD), and an interferometric modulation display (IMOD)
  • each component member particularly a conductive member, particularly a transparent conductive member
  • OLED organic EL display
  • EPD electrophoretic display
  • MIMOD interferometric modulation display
  • each component member particularly a conductive member, particularly a transparent conductive member
  • laminating a conductive member having a conductor pattern formed of a metal material including a layer and / or copper It is also suitable for bonding a conductive member including a transparent conductive layer containing ITO or IGZO and / or
  • the conductive member laminate of the present invention (hereinafter abbreviated as “the present laminate”) can be obtained by laminating the pressure-sensitive adhesive sheet and a conductive member, for example, a conductive layer surface of a transparent conductive layer. .
  • This laminated body should just have the structure which the adhesive layer surface of any one of this adhesive sheet and the conductive layer surface of a transparent conductive layer bonded together.
  • the laminate may have a structure in which both the pressure-sensitive adhesive layer surfaces of the pressure-sensitive adhesive sheet and the conductive layer surface of the transparent conductive layer are bonded together.
  • the transparent conductive layer has an insulating protective film (passivation film) made of olefin polymer, urethane polymer, epoxy polymer, acrylic polymer, silicone polymer, or inorganic glass so as to cover the conductive layer surface of the conductive film. May be.
  • the pressure-sensitive adhesive sheet is not directly bonded to the transparent conductive layer surface (not directly in contact with the transparent conductive layer surface).
  • the adhesive sheet corrodes the transparent conductive layer by the action of 1,2,3-triazole even if the component derived from the composition (particularly the acid component) penetrates and reaches the transparent conductive layer from the insulating film. This can be prevented.
  • 1,2,3-triazole is highly water-soluble and can easily move to the transparent conductive layer when the pressure-sensitive adhesive sheet absorbs moisture in a moist heat environment, so that an excellent metal corrosion prevention effect can be achieved.
  • an excellent metal corrosion prevention effect on the adherend is exhibited as well as discoloration and alteration of the pressure-sensitive adhesive layer due to metal ions on the adherend. Can do.
  • the laminate obtained by bonding to the conductive layer surface can be suitably used for a touch panel.
  • the touch panel include a resistance film method, a capacitance method, and an electromagnetic induction method, and a capacitance method is preferable.
  • the transparent conductive layer only needs to have a conductive layer on at least one surface, and examples thereof include a transparent conductive layer in which a conductive material is provided on the surface of a transparent substrate by vapor deposition, sputtering, coating, or the like.
  • the conductive material used for the conductive layer of the transparent conductive layer is not particularly limited. Specifically, indium oxide, indium / gallium / zinc composite oxide, tin-doped indium oxide (ITO), zinc oxide, gallium oxide, titanium oxide
  • ITO tin-doped indium oxide
  • metal oxides such as, metal materials such as silver, copper, molybdenum, and aluminum can be given.
  • the transparent conductive layer the substrate on which the conductive substance is patterned is not particularly limited, and examples thereof include glass and a resin film.
  • the transparent conductive layer typically has a conductive layer on at least one surface.
  • a conductive pattern (wiring pattern) mainly composed of copper or silver is formed on the transparent conductive layer so as to route the peripheral portion. Since 1,2,3-triazole has particularly high resistance to corrosion resistance to copper, this pressure-sensitive adhesive sheet including this is particularly suitable for conductive members having a conductor pattern formed of a metal material containing copper. It can be preferably used.
  • the laminate include, for example, a release film / this adhesive sheet / touch panel, a release film / this adhesive sheet / protective panel, a release film / this adhesive sheet / image display panel, and an image display panel / book.
  • the composition of the present adhesive sheet / protective panel can be mentioned.
  • the touch panel includes a structure in which a touch panel function is included in the protective panel and a structure in which the touch panel function is included in the image display panel.
  • the image display device of the present invention includes at least the present laminate, the image display panel, and the surface protection panel as constituent members.
  • an image display device having a configuration in which the laminate obtained by bonding the adhesive sheet to the conductive layer surface of the transparent conductive layer is interposed between the image display panel and the surface protection panel is mentioned. Can do. At this time, the pressure-sensitive adhesive sheet can also be used on the image display panel side.
  • acryl-based polyolefin resin such as acrylic resin, polycarbonate resin, cycloolefin polymer, styrene resin, polyvinyl chloride resin, phenol resin, melamine resin, Plastics such as epoxy resins may be used.
  • the image display panel is composed of another optical film such as a polarizing film or other retardation film, a liquid crystal material, and a backlight system (usually, the adherend surface of the composition or the adhesive article to the image display panel is an optical film.
  • a polarizing film or other retardation film such as a liquid crystal material
  • a backlight system usually, the adherend surface of the composition or the adhesive article to the image display panel is an optical film.
  • STN method, VA method, IPS method, etc. depending on the control method of the liquid crystal material, but any method may be used.
  • an image display device such as a liquid crystal display, an organic EL display, an inorganic EL display, electronic paper, a plasma display, and a microelectromechanical system (MEMS) display can be configured.
  • a liquid crystal display an organic EL display, an inorganic EL display, electronic paper, a plasma display, and a microelectromechanical system (MEMS) display
  • MEMS microelectromechanical system
  • “Sheet” generally refers to a product that is thin by definition in JIS and has a thickness that is small and flat for the length and width.
  • “film” is thicker than the length and width.
  • JISK6900 Japanese Industrial Standard
  • the boundary between the sheet and the film is not clear and it is not necessary to distinguish the two in terms of the present invention, in the present invention, even when the term “film” is used, the term “sheet” is included and the term “sheet” is used. In some cases, “film” is included.
  • A-1 A copolymer comprising 76 parts by mass of 2-ethylhexyl acrylate, 20 parts by mass of vinyl acetate, and 4 parts by mass of acrylic acid (mass average molecular weight 400,000)
  • A-2 A copolymer comprising 81 parts by mass of butyl acrylate, 15 parts by mass of methyl methacrylate and 4 parts by mass of acrylic acid (mass average molecular weight 200,000)
  • Example 1-1 1 kg of (meth) acrylic (co) polymer (A-1), 3 g of 1,2,3-triazole (manufactured by Otsuka Chemical Co., Ltd.) as a metal corrosion inhibitor, and 4-methylbenzophenone as a photopolymerization initiator 15 g of a mixture of 2,4,6-trimethylbenzophenone (manufactured by Lamberti, trade name “Ezacure TZT”) was added and mixed uniformly to obtain a resin composition for an adhesive layer.
  • 1,2,3-triazole manufactured by Otsuka Chemical Co., Ltd.
  • 4-methylbenzophenone as a photopolymerization initiator
  • 15 g of a mixture of 2,4,6-trimethylbenzophenone manufactured by Lamberti, trade name “Ezacure TZT”
  • the pressure-sensitive adhesive sheet was shaped into a sheet shape so that the thickness of the pressure-sensitive adhesive sheet was 150 ⁇ m, and a pressure-sensitive adhesive sheet laminate was produced.
  • the adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-2 1 kg of (meth) acrylic (co) polymer (A-2), 3 g of 1,2,3-triazole as a metal corrosion inhibitor, and UV curable resin propoxylated pentaerythritol triacrylate as a crosslinking agent (Shin Nakamura Kogyo Co., Ltd.) 20 g of company, trade name “ATM-4PL”), and 15 g of a mixture of 4-methylbenzophenone and 2,4,6-trimethylbenzophenone (trade name “Ezacure TZT”, manufactured by Lamberti) as a photopolymerization initiator were added uniformly. By mixing, a resin composition for an adhesive layer was obtained.
  • the resin composition for the pressure-sensitive adhesive layer was molded into a sheet shape so as to have a thickness of 150 ⁇ m on a polyethylene terephthalate film (trade name “Diafoil MRV”, manufactured by Mitsubishi Plastics Co., Ltd., thickness: 100 ⁇ m) subjected to release treatment. Thereafter, a peeled polyethylene terephthalate film (manufactured by Mitsubishi Plastics, trade name “Diafoil MRQ”, thickness 75 ⁇ m) was coated to prepare an adhesive sheet laminate. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-3 A pressure-sensitive adhesive sheet laminate was produced in the same manner as in Example 1-2 except that 5 g of 1,2,3-triazole was used as the metal corrosion inhibitor. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-1 A pressure-sensitive adhesive sheet laminate was produced in the same manner as in Example 1-1 except that 1,2,3-triazole as a metal corrosion inhibitor was not added. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-2 A pressure-sensitive adhesive sheet laminate was prepared in the same manner as in Example 1-1, except that 5 g of benzotriazole (trade name “BT120” manufactured by Johoku Chemical Co., Ltd.) was used instead of 1,2,3-triazole as a metal corrosion inhibitor. did.
  • the adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-3 5 g of tolyltriazole (mixture of 4-methylbenzotriazole and 5-methylbenzotriazole) (trade name “SEETEC TT-R” manufactured by Cypro Kasei Co., Ltd.) is used as a metal corrosion inhibitor instead of 1,2,3-triazole.
  • a pressure-sensitive adhesive sheet laminate was produced in the same manner as Example 1-1 except for the above. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • Example 1-1 Example 1-1 except that 5 g of 2,5-dimercapto-1,3,4-thiadiazole (trade name “MTD”, manufactured by Toyobo Co., Ltd.) was used in place of 1,2,3-triazole as a metal corrosion inhibitor. In the same manner, a pressure-sensitive adhesive sheet laminate was produced. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 1.
  • the release film on one side of the pressure-sensitive adhesive sheet laminate (pressure-sensitive adhesive sheet thickness 150 ⁇ m) prepared in the above Examples and Comparative Examples was peeled off, and a polyethylene terephthalate (PET) film (trade name “COSMO SHINE A4100, manufactured by Toyobo Co., Ltd.” was applied to the exposed surface. ”, 125 ⁇ m) was attached with a hand roller.
  • PET polyethylene terephthalate
  • the pressure-sensitive adhesive sheet was adhered to a copper glass substrate for evaluation with a hand roller, and the cumulative amount of light with a wavelength of 365 nm was 3000 mJ / in Example 1-1 and Comparative Examples 1-1 to 1-4 via a PET film.
  • cm 2 examples 1-2 and 1-3 irradiated with ultraviolet rays using a high-pressure mercury lamp so as to be 2000 mJ / cm 2, by UV cross, corrosion reliability evaluation samples (copper wire with the pressure-sensitive adhesive sheet) It produced (refer FIG.1 (D)).
  • the resistance value ( ⁇ 0) at room temperature of the copper wiring in this corrosion resistance reliability evaluation sample was measured in advance.
  • the corrosion resistance reliability evaluation sample (copper wiring with adhesive sheet) is stored in an environment of 65 ° C. and 90% RH for 500 hours, and after storage, the corrosion resistance reliability evaluation sample (copper wiring with adhesive sheet) The resistance value ( ⁇ ) of the copper wiring was measured.
  • the bonded product was autoclaved at 60 ° C. in a 0.2 MPa environment for 20 minutes.
  • a metal halide lamp irradiation device Ushio Electric Co., Ltd., model UVC-0516S1, lamp UVL-8001M3-N
  • a belt conveyor so that the irradiation dose at a wavelength of 365 nm is 3000 mJ / cm 2 per irradiation.
  • UV curing characteristics (storage modulus G ′ before UV curing)
  • the storage elastic modulus before UV curing was measured using a rheometer (Eihiro Seiki Co., Ltd.) as a measurement sample obtained by punching the adhesive sheets prepared in Examples and Comparative Examples to a thickness of 1 to 2 mm and punching them into a circle with a diameter of 20 mm.
  • a “MARS” manufactured by the company adhesive jig: ⁇ 25 mm parallel plate, strain: 0.5%, frequency: 1 Hz, temperature: ⁇ 50 to 200 ° C., heating rate: 3 ° C./min, ⁇ 50 ° C.
  • the dynamic storage elastic modulus G ′ up to 200 ° C. was measured, and the storage elastic modulus value at 125 ° C. was read. The results are shown in Table 1.
  • the storage elastic modulus after UV curing was measured as follows.
  • the pressure-sensitive adhesive sheets prepared in Examples and Comparative Examples were UV-crosslinked by irradiating UV light with a high-pressure mercury lamp through a PET film.
  • Example 1-1 and Comparative Examples 1-1 to 1-4 were irradiated so that the integrated light quantity with a wavelength of 365 nm was 3000 mJ / cm 2, and Examples 1-2 and 1-3 were the laminates. Irradiation was performed so that the amount of light was 2000 mJ / cm 2 .
  • the pressure-sensitive adhesive sheet thus UV-crosslinked was laminated to a thickness of 1 to 2 mm, and punched into a circle having a diameter of 20 mm was used as a measurement sample.
  • a rheometer (trade name “MARS”, manufactured by Eiko Seiki Co., Ltd.), adhesive jig: ⁇ 25 mm parallel plate, strain: 0.5%, frequency: 1 Hz, temperature: ⁇ 50 to 200 ° C., heating rate: 3
  • the storage elastic modulus after ultraviolet curing was determined by measuring the dynamic storage elastic modulus G ′ of the measurement sample from ⁇ 50 ° C. to 200 ° C. at a rate of °C / min and reading the storage elastic modulus value at 125 ° C. . The results are shown in Table 1.
  • the adhesive sheets of Examples 1-1 to 1-3 contain 1,2,3-triazole as a metal corrosion inhibitor, so that there is little change in the resistance value of the copper wiring and excellent corrosion resistance reliability. there were. In addition, the foaming resistance reliability and ultraviolet curing characteristics were also good.
  • Comparative Example 1-1 did not contain a metal corrosion inhibitor and was inferior in corrosion resistance reliability.
  • Comparative Example 1-2 contained benzotriazole as a metal corrosion inhibitor, but was poor in foaming reliability due to the characteristics of benzotriazole.
  • Comparative Example 1-3 contained tolyltriazole as a metal corrosion inhibitor, but was poor in foaming reliability due to the characteristics of tolyltriazole.
  • Comparative Example 1-4 contains dimercaptothiadiazole as a metal corrosion inhibitor. However, since dimercaptothiadiazole absorbs ultraviolet rays, the pressure-sensitive adhesive sheet was inferior in ultraviolet curing properties.
  • 1,2,3-triazole has a melting point of about 20 ° C. and is almost liquid at room temperature. Therefore, it can be easily added to the main adhesive in the actual production process of the adhesive sheet. It was found to be excellent in dispersibility in the main agent.
  • 1,2,3-triazole is highly water-soluble and, when the pressure-sensitive adhesive sheet absorbs moisture in a moist heat environment, it easily moves to the surface of the metal layer (copper wiring), so it has an excellent metal corrosion prevention effect. It became clear that we could do it. It has also been clarified that 1,2,3-triazole does not inhibit the UV curing property because it does not absorb at a spectrophotometer with a wavelength of 300 to 400 nm. As described above, it has been found that 1,2,3-triazole has excellent characteristics as compared with conventional metal corrosion inhibitors and is particularly effective when used for an adhesive sheet for conductive members.
  • Example 2 200 kg of propoxylated pentaerythritol polyacrylate (trade name “ATM-4PL”, manufactured by Shin-Nakamura Chemical Co., Ltd.) as a crosslinking agent for 1 kg of (meth) acrylic (co) polymer (A-1), photopolymerization started As an agent, 10 g of a mixture of 4-methylbenzophenone and 2,4,6-trimethylbenzophenone (Lamberti, trade name “Ezacure TZT”) was added and mixed uniformly to obtain an intermediate layer resin composition.
  • ATM-4PL propoxylated pentaerythritol polyacrylate
  • Two polyethylene terephthalate films (trade name “Diafoil MRV”, manufactured by Mitsubishi Plastics Co., Ltd., thickness 100 ⁇ m, and product name “Diafoil MRT” manufactured by Mitsubishi Plastics Co., Ltd.) were prepared by removing the oil composition for the adhesive layer. , 38 ⁇ m thick) and shaped into a sheet shape so that the thickness of the pressure-sensitive adhesive sheet is 35 ⁇ m, to produce a resin sheet ( ⁇ ) for the pressure-sensitive adhesive layer.
  • the PET films on both sides of the intermediate layer sheet ( ⁇ ) are sequentially peeled and removed, and the PET films on one side of the adhesive layer resin sheets ( ⁇ ) and ( ⁇ ′) are peeled off to place the exposed adhesive surface in the middle.
  • Laminate bodies made of ( ⁇ ) / ( ⁇ ) / ( ⁇ ′) were prepared by sequentially laminating on both surfaces of the layer sheet ( ⁇ ).
  • Example 2-2 1 kg of (meth) acrylic (co) polymer (A-2), 3 g of 1,2,3-triazole as a metal corrosion inhibitor, tridecyl phosphite as a phosphite compound (trade name, manufactured by Adeka) 3 g of “ADK STAB 3010”), 20 g of pentaerythritol tri and tetraacrylate (manufactured by Toagosei Co., Ltd., “Aronix M-306”) as a crosslinking agent, and 1-hydroxy-cyclohexyl phenyl ketone (manufactured by BASF, Irgacure as a photopolymerization initiator) 184) 10 g was added and mixed uniformly to obtain a resin composition for an adhesive layer.
  • A-2 1 kg of (meth) acrylic (co) polymer (A-2), 3 g of 1,2,3-triazole as a metal corrosion inhibitor, tridecyl phosphite
  • the pressure-sensitive adhesive layer resin composition was formed into a sheet shape having a thickness of 150 ⁇ m on a peeled polyethylene terephthalate film (Mitsubishi Resin, Diafoil MRV, thickness 100 ⁇ m), and then peeled.
  • a polyethylene terephthalate film (trade name “Diafoil MRQ”, thickness 75 ⁇ m, manufactured by Mitsubishi Plastics, Inc.) was coated.
  • a pressure-sensitive adhesive sheet laminate is obtained by irradiating ultraviolet rays with a high-pressure mercury lamp through an exfoliated polyethylene terephthalate film so that the integrated light quantity at a wavelength of 365 nm is 1000 mJ / cm 2 to cross-link the adhesive layer resin composition with ultraviolet rays.
  • the adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 2.
  • Example 2-3 3,9-bis (decyloxy) -2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane (trade name “JPE-10” manufactured by Johoku Chemical Co., Ltd.) as a phosphite compound
  • JPE-10 Japanese Patent Application Laid-Pak Company
  • a pressure-sensitive adhesive sheet laminate was produced in the same manner as in Example 2-2 except that 3 g was used. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 2.
  • Example 2-1 1,2,3-triazole as a metal corrosion inhibitor and tris (2,4-di-t-butylphenyl) phosphite as a phosphite compound (trade name “Irgaphos 168” manufactured by BASF) Except not being added, in the same manner as in Example 2-1, the pressure-sensitive adhesive sheet laminate in which the pressure-sensitive adhesive sheet laminate was produced was subjected to various evaluations described below. The results are shown in Table 2.
  • Example 2-2 A pressure-sensitive adhesive sheet laminate was produced in the same manner as in Example 2-1, except that 1,2,3-triazole as a metal corrosion inhibitor was not added. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 2.
  • Example 2-3 As a metal corrosion inhibitor, except that 1.5 g of benzotriazole (manufactured by Johoku Chemical Co., Ltd., trade name “BT120”) is added in place of 1,2,3-triazole, and the phosphite compound is not added.
  • a pressure-sensitive adhesive sheet laminate was produced in the same manner as Example 2-1. The adhesive sheet laminate was subjected to various evaluations described below. The results are shown in Table 2.
  • ITO Indium oxide
  • the resistance value ( ⁇ 0) at room temperature of the ITO wiring in this oxidation deterioration prevention evaluation sample (ITO wiring with adhesive sheet) was measured in advance.
  • the oxidation degradation prevention evaluation sample (ITO wiring with adhesive sheet) is stored in an environment of 65 ° C. and 90% RH for 500 hours, and after storage, the oxidation degradation resistance evaluation sample (ITO wiring with adhesive sheet) is stored. ) was measured for the resistance value ( ⁇ ) of the ITO wiring.
  • the resistance value ( ⁇ 0) at room temperature of the copper wiring in this corrosion resistance reliability evaluation sample was measured in advance.
  • the corrosion resistance reliability evaluation sample (copper wiring with adhesive sheet) is stored in an environment of 65 ° C. and 90% RH for 500 hours, and after storage, the corrosion resistance reliability evaluation sample (copper wiring with adhesive sheet) The resistance value ( ⁇ ) of the copper wiring was measured.
  • the adhesive sheets of Examples 2-1 to 2-3 contain 1,2,3-triazole as a metal corrosion inhibitor, and further contain a phosphite, so that the resistance value of both ITO wiring and copper wiring changes. There were few, and it was excellent in corrosion resistance reliability and oxidation deterioration prevention property.
  • Comparative Example 2-1 contained neither a phosphite compound nor a metal corrosion inhibitor, and was inferior in corrosion resistance reliability and oxidation deterioration prevention properties. Since Comparative Example 2-2 did not contain a metal corrosion inhibitor, corrosion of copper wiring was particularly remarkable. Comparative Example 2-3 did not contain a phosphite compound and was inferior in the ability to prevent oxidative deterioration of the ITO wiring.
  • the pressure-sensitive adhesive sheet for a conductive member of the present invention has corrosion resistance and reliability against a conductive member (typically a conductive member having a conductive pattern formed of a transparent conductive layer and / or a metal material containing copper or silver). Since it can have foaming reliability, it can be used as an adhesive sheet suitable for bonding various conductive members. In particular, it can be suitably used as an adhesive sheet for an image display device having a touch panel.
  • a conductive member typically a conductive member having a conductive pattern formed of a transparent conductive layer and / or a metal material containing copper or silver. Since it can have foaming reliability, it can be used as an adhesive sheet suitable for bonding various conductive members. In particular, it can be suitably used as an adhesive sheet for an image display device having a touch panel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Non-Insulated Conductors (AREA)

Abstract

L'invention concerne une feuille adhésive pour éléments conducteurs, qui ne corrodera pas un élément conducteur tel que, par exemple, une couche conductrice transparente, et qui présente une fiabilité en matière de résistance de formage et de bonnes propriétés de durcissement ; un stratifié à élément conducteur ; et un dispositif d'affichage d'image. En particulier, la présente invention concerne une feuille adhésive pour éléments conducteurs, qui est préférable pour relier un élément conducteur tel qu'une couche conductrice transparente dans un dispositif d'affichage d'image utilisant un panneau d'affichage d'image tel qu'un écran plasma (PDP), un afficheur à cristaux liquides (LCD), un afficheur à diode électroluminescente organique (DELO), ou analogue. La feuille adhésive pour éléments conducteurs possède une couche d'agent adhésif comprenant une composition d'agent adhésif contenant un copolymère (méth)acrylique et du 1,2,3-triazole.
PCT/JP2016/088229 2015-12-25 2016-12-21 Feuille adhésive pour élément conducteur, stratifié à élément conducteur, et dispositif d'affichage d'image WO2017110937A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680076202.1A CN108431158B (zh) 2015-12-25 2016-12-21 导电构件用粘合片、导电构件层叠体及图像显示装置
KR1020187021416A KR102598110B1 (ko) 2015-12-25 2016-12-21 도전부재용 점착 시트, 도전부재 적층체 및 화상 표시 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2015-253220 2015-12-25
JP2015253214 2015-12-25
JP2015253220 2015-12-25
JP2015-253214 2015-12-25

Publications (1)

Publication Number Publication Date
WO2017110937A1 true WO2017110937A1 (fr) 2017-06-29

Family

ID=59089490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/088229 WO2017110937A1 (fr) 2015-12-25 2016-12-21 Feuille adhésive pour élément conducteur, stratifié à élément conducteur, et dispositif d'affichage d'image

Country Status (5)

Country Link
JP (2) JP6969092B2 (fr)
KR (1) KR102598110B1 (fr)
CN (1) CN108431158B (fr)
TW (1) TWI752000B (fr)
WO (1) WO2017110937A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108958538A (zh) * 2018-06-28 2018-12-07 武汉华星光电半导体显示技术有限公司 一种触控电极层制备方法及触控电极层
WO2019189401A1 (fr) * 2018-03-29 2019-10-03 三菱ケミカル株式会社 Feuille adhésive, produit stratifié à élément conducteur l'utilisant, et dispositif d'affichage d'image

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110997849B (zh) * 2017-08-01 2023-04-14 三菱化学株式会社 粘合片、图像显示装置构成用层叠体和图像显示装置
CN110387193A (zh) * 2019-08-09 2019-10-29 苏州凡赛特材料科技有限公司 一种纳米金属导电膜用光学胶黏剂组合物及其胶膜
CN116023834B (zh) * 2022-12-30 2023-11-10 浙江鑫柔科技有限公司 一种涂层组合物及其制备方法与应用

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164262A (en) * 1979-06-07 1980-12-20 Toshiba Chem Corp Electrical insulating varnish for cloth pipe
JP2000239633A (ja) * 1999-02-16 2000-09-05 Sanyo Chem Ind Ltd アクリル系感圧接着剤組成物およびそれを用いてなる粘着テープ、シートおよびそのマスカー
JP2006035914A (ja) * 2004-07-22 2006-02-09 Bando Chem Ind Ltd 自動車ホイール用表面保護フィルム
JP2012229410A (ja) * 2011-04-11 2012-11-22 Oji Holdings Corp 両面粘着シート、剥離シート付き両面粘着シートおよび光学積層体
WO2012173247A1 (fr) * 2011-06-17 2012-12-20 積水化学工業株式会社 Ruban adhésif transparent, stratifié de film ayant un film mince métallique, stratifié panneau de couverture-module de panneau tactile, stratifié panneau de couverture-module de panneau d'affichage, stratifié module de panneau tactile-module de panneau d'affichage et dispositif d'affichage d'image
JP2014177611A (ja) * 2013-02-14 2014-09-25 Nitto Denko Corp 粘着剤組成物、粘着剤層、粘着シート、光学部材、及びタッチパネル

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5964665A (ja) * 1982-10-04 1984-04-12 Matsushita Electric Works Ltd 不飽和ポリエステル系樹脂ワニス
TWI229123B (en) * 2000-03-03 2005-03-11 Nec Electronics Corp Anticorrosive treating concentrate
JP2004319759A (ja) * 2003-04-16 2004-11-11 Hitachi Chem Co Ltd 金属用研磨液及び研磨方法
JP5299804B2 (ja) 2004-08-03 2013-09-25 綜研化学株式会社 金属貼着用粘着シート
JP4531099B2 (ja) 2007-09-06 2010-08-25 日東電工株式会社 粘着剤組成物及びそれを用いた粘着製品、ディスプレイ
JP5625625B2 (ja) * 2010-08-30 2014-11-19 大日本印刷株式会社 金属貼付用粘着シート
JP5867383B2 (ja) * 2012-12-21 2016-02-24 信越化学工業株式会社 付加硬化型自己接着性シリコーンゴム組成物
JP6508869B2 (ja) * 2013-02-14 2019-05-08 日東電工株式会社 粘着剤組成物、粘着剤層、粘着シート、光学部材、及びタッチパネル
US20140226085A1 (en) * 2013-02-14 2014-08-14 Nitto Denko Corporation Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer, pressure-sensitive adhesive sheet, optical component and touch panel
JP6407527B2 (ja) * 2013-02-14 2018-10-17 日東電工株式会社 光学用粘着剤層、粘着シート、光学部材、及びタッチパネル

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164262A (en) * 1979-06-07 1980-12-20 Toshiba Chem Corp Electrical insulating varnish for cloth pipe
JP2000239633A (ja) * 1999-02-16 2000-09-05 Sanyo Chem Ind Ltd アクリル系感圧接着剤組成物およびそれを用いてなる粘着テープ、シートおよびそのマスカー
JP2006035914A (ja) * 2004-07-22 2006-02-09 Bando Chem Ind Ltd 自動車ホイール用表面保護フィルム
JP2012229410A (ja) * 2011-04-11 2012-11-22 Oji Holdings Corp 両面粘着シート、剥離シート付き両面粘着シートおよび光学積層体
WO2012173247A1 (fr) * 2011-06-17 2012-12-20 積水化学工業株式会社 Ruban adhésif transparent, stratifié de film ayant un film mince métallique, stratifié panneau de couverture-module de panneau tactile, stratifié panneau de couverture-module de panneau d'affichage, stratifié module de panneau tactile-module de panneau d'affichage et dispositif d'affichage d'image
JP2014177611A (ja) * 2013-02-14 2014-09-25 Nitto Denko Corp 粘着剤組成物、粘着剤層、粘着シート、光学部材、及びタッチパネル

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019189401A1 (fr) * 2018-03-29 2019-10-03 三菱ケミカル株式会社 Feuille adhésive, produit stratifié à élément conducteur l'utilisant, et dispositif d'affichage d'image
JP2019173004A (ja) * 2018-03-29 2019-10-10 三菱ケミカル株式会社 粘着シート、それを用いた導電部材積層体、及び、画像表示装置
JP7334441B2 (ja) 2018-03-29 2023-08-29 三菱ケミカル株式会社 粘着シート、それを用いた導電部材積層体、及び、画像表示装置
CN108958538A (zh) * 2018-06-28 2018-12-07 武汉华星光电半导体显示技术有限公司 一种触控电极层制备方法及触控电极层

Also Published As

Publication number Publication date
TWI752000B (zh) 2022-01-11
KR102598110B1 (ko) 2023-11-06
JP6969092B2 (ja) 2021-11-24
TW201736540A (zh) 2017-10-16
CN108431158A (zh) 2018-08-21
JP7143918B2 (ja) 2022-09-29
JP2017119857A (ja) 2017-07-06
KR20180098359A (ko) 2018-09-03
CN108431158B (zh) 2021-01-29
JP2021127461A (ja) 2021-09-02

Similar Documents

Publication Publication Date Title
JP7143918B2 (ja) 導電部材用粘着シート、導電部材積層体及び画像表示装置
TWI781992B (zh) 雙面黏著片材、含圖像顯示裝置構成用構件之積層體、積層體形成套組及雙面黏著片材之用途
JP7184035B2 (ja) 光硬化型粘着シート、画像表示装置構成用積層体、画像表示装置の製造方法及び導電部材の腐食抑制方法
TWI762693B (zh) 黏著片、圖像顯示裝置構成用積層體及圖像顯示裝置
WO2020095994A1 (fr) Composition de résine adhésive autocollante, feuille adhésive autocollante, feuille adhésive autocollante durcissable par rayonnement d'énergie active, élément optique, stratifié pour dispositif d'affichage d'image, et dispositif d'affichage d'image
JP2019210446A (ja) 光硬化性粘着シート積層体、光硬化性粘着シート積層体の製造方法及び画像表示パネル積層体の製造方法
JP2022156355A (ja) 表示体
JP7227797B2 (ja) 機械加工性向上フィルム、積層体、及び機械加工性向上フィルムの使用方法
JP5952470B1 (ja) 導電部材用粘着剤組成物
JP6930102B2 (ja) 導電部材用粘着シート、導電部材積層体及び画像表示装置
JP2020114903A (ja) 粘着性組成物、粘着剤、粘着シートおよび表示体
TW202436560A (zh) 光硬化型黏著片材、圖像顯示裝置構成用積層體、圖像顯示裝置之製造方法及導電構件之腐蝕抑制方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16878824

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20187021416

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020187021416

Country of ref document: KR

122 Ep: pct application non-entry in european phase

Ref document number: 16878824

Country of ref document: EP

Kind code of ref document: A1