WO2015132940A1 - 粘着性組成物、粘着剤および粘着シート - Google Patents

粘着性組成物、粘着剤および粘着シート Download PDF

Info

Publication number
WO2015132940A1
WO2015132940A1 PCT/JP2014/055868 JP2014055868W WO2015132940A1 WO 2015132940 A1 WO2015132940 A1 WO 2015132940A1 JP 2014055868 W JP2014055868 W JP 2014055868W WO 2015132940 A1 WO2015132940 A1 WO 2015132940A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
meth
sensitive adhesive
monomer
adhesive composition
Prior art date
Application number
PCT/JP2014/055868
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
洋一 ▲高▼橋
隆行 荒井
仁 大橋
Original Assignee
リンテック株式会社
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 リンテック株式会社 filed Critical リンテック株式会社
Priority to CN201480076819.4A priority Critical patent/CN106103621B/zh
Priority to KR1020167026538A priority patent/KR102158456B1/ko
Priority to PCT/JP2014/055868 priority patent/WO2015132940A1/ja
Priority to JP2015552314A priority patent/JP5948509B2/ja
Priority to TW104107141A priority patent/TWI654271B/zh
Publication of WO2015132940A1 publication Critical patent/WO2015132940A1/ja

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
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • 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
    • C09J147/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; 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
    • C09J7/00—Adhesives in the form of films or foils
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer

Definitions

  • the present invention relates to an adhesive composition suitable for adhesion between a transparent conductive film and glass, an adhesive (a material obtained by crosslinking the adhesive composition), and an adhesive sheet.
  • capacitive touch panels There are various configurations of capacitive touch panels.
  • a display module such as a liquid crystal module, and a first film sensor laminated thereon via a first adhesive layer
  • the film sensor is usually composed of a base film and a transparent conductive film made of patterned tin-doped indium oxide (ITO). That is, the third pressure-sensitive adhesive layer bonds the transparent conductive film and the cover glass. Therefore, the pressure-sensitive adhesive layer needs to have a predetermined adhesive force for both the transparent conductive film and the cover glass.
  • ITO patterned tin-doped indium oxide
  • Patent Document 1 discloses a pressure-sensitive adhesive composition for adhering an ITO electrode to the surface of a glass substrate. Specifically, it includes (A) a (meth) acrylic polymer having a functional group other than an acidic group and a weight average molecular weight of 50,000 to 150,000, and (B) an isocyanate-based crosslinking agent.
  • (a-1) alkoxyalkyl (meth) acrylate and / or alkoxyalkylene glycol (meth) acrylate is copolymerized in an amount in the range of 50 to 99.8 parts by weight
  • (A-2) the monomer having a hydroxyl group is copolymerized in an amount in the range of 0.1 to 10 parts by weight
  • (a-3) the nitrogen-containing monomer is copolymerized in an amount in the range of 0.1 to 5 parts by weight.
  • (A-4) alkyl (meth) acrylate is copolymerized in an amount in the range of 0 to 49.8 parts by weight, and (A) (meth) acrylic monomer is crosslinked with (B) isocyanate compound. Formed A pressure-sensitive adhesive composition for a conductive film is disclosed.
  • Patent Document 1 provides a pressure-sensitive adhesive composition for a conductive film that is excellent in heat-resistant foaming resistance and moisture-heat stability (whitening resistance) and has no corrosiveness to metals or metal oxides. It was aimed and the said adhesive composition did not necessarily exhibit sufficient adhesive force with respect to both a transparent conductive film and glass.
  • This invention is made
  • the present invention provides a (meth) acrylic acid ester polymer containing a monomer having an alicyclic structure and a monomer having a nitrogen atom as monomer units constituting the polymer.
  • a pressure-sensitive adhesive composition is provided (Invention 1).
  • operation and interaction of the monomer which has an alicyclic structure which comprises a (meth) acrylic acid ester polymer, and the monomer which has a nitrogen atom It exhibits strong adhesion to transparent conductive films, particularly transparent conductive films made of tin-doped indium oxide (ITO), glass and plastic.
  • ITO tin-doped indium oxide
  • the (meth) acrylic acid ester polymer contains 3 to 20% by mass of the monomer having the alicyclic structure as a monomer unit constituting the polymer, and the nitrogen atom is contained in the polymer. It is preferable to contain 2 to 20% by mass of the monomer (Invention 2).
  • the (meth) acrylic acid ester polymer has a total of 5 to 5 monomers as the monomer unit constituting the polymer, the monomer having the alicyclic structure and the monomer having a nitrogen atom. It is preferable to contain 40 mass% (Invention 3).
  • the alicyclic structure preferably contains an isobornyl skeleton (Invention 4).
  • the monomer having a nitrogen atom preferably has a nitrogen-containing heterocyclic ring (Invention 5).
  • the adhesive composition preferably further contains a crosslinking agent (Invention 6).
  • the said (meth) acrylic acid ester polymer contains the monomer which has a functional group which reacts with the said crosslinking agent as a monomer unit which comprises the said polymer (invention 7).
  • the (meth) acrylic acid ester polymer preferably does not contain a monomer having a carboxyl group as a monomer unit constituting the polymer (Invention 8).
  • the present invention provides an adhesive obtained by curing the above-mentioned adhesive composition (Invention 1 to 8) (Invention 9).
  • the present invention includes two release sheets, and an adhesive layer sandwiched between the release sheets so as to be in contact with the release surfaces of the two release sheets, and the adhesive layer is the adhesive (
  • An adhesive sheet comprising the invention 9) is provided (invention 10).
  • the pressure-sensitive adhesive sheet is preferably used for adhesion between the transparent conductive film and glass or plastic (Invention 11).
  • the pressure-sensitive adhesive composition, the pressure-sensitive adhesive, and the pressure-sensitive adhesive layer of the pressure-sensitive adhesive sheet according to the present invention exhibit excellent adhesive strength to the transparent conductive film, glass and plastic.
  • the pressure-sensitive adhesive composition according to the present embodiment includes, as monomer units constituting the polymer, a monomer having an alicyclic structure (alicyclic structure-containing monomer), nitrogen, and the like.
  • a (meth) acrylic acid ester polymer hereinafter referred to as “(meth) acrylic acid ester polymer (A)”) containing a monomer having an atom (nitrogen atom-containing monomer), and preferably a crosslinking agent ( B).
  • (meth) acrylic acid ester means both acrylic acid ester and methacrylic acid ester. The same applies to other similar terms.
  • the “polymer” includes the concept of “copolymer”.
  • the (meth) acrylic acid ester polymer (A) contains both an alicyclic structure-containing monomer and a nitrogen atom-containing monomer as monomer units constituting the polymer.
  • the resulting adhesive has a strong adhesion to transparent conductive films, particularly transparent conductive films made of tin-doped indium oxide (ITO), and glass and plastics, especially polycarbonate, polymethyl methacrylate, and other plastics. Demonstrate. It is considered that the alicyclic structure-containing monomer mainly contributes to the adhesive strength to the transparent conductive film, and the nitrogen atom-containing monomer mainly contributes to the adhesive strength to glass and plastic.
  • the interval between the polymers can be widened, and the resulting adhesive can be made excellent in flexibility.
  • an adhesive becomes what was excellent in the followable
  • the presence of a nitrogen atom-containing monomer in the polymer as a constituent unit gives the adhesive a predetermined polarity, and it has an affinity for adherends having a certain degree of polarity, such as transparent conductive films and glass. It can be made excellent. As a result, it is presumed that the following pressure-sensitive properties and affinity properties are combined, and the resulting pressure-sensitive adhesive is excellent in adhesive strength even with respect to a transparent conductive film or glass.
  • the alicyclic structure carbocyclic ring in the alicyclic structure-containing monomer contained in the (meth) acrylic acid ester polymer (A) as a monomer unit constituting the polymer may have a saturated structure, It may have an unsaturated bond.
  • the alicyclic structure may be a monocyclic alicyclic structure or a polycyclic alicyclic structure such as a bicyclic ring or a tricyclic ring.
  • the alicyclic structure preferably has 5 to 20 carbon atoms, more preferably 6 to 15 carbon atoms, and even more preferably 7 to 12 carbon atoms.
  • Examples of the alicyclic structure include a cyclohexyl skeleton, dicyclopentadiene skeleton, adamantane skeleton, isobornyl skeleton, cycloalkane skeleton (cycloheptane skeleton, cyclooctane skeleton, cyclononane skeleton, cyclodecane skeleton, cycloundecane skeleton, cyclododecane skeleton, etc.) , Cycloalkene skeleton (cycloheptene skeleton, cyclooctene skeleton, etc.), norbornene skeleton, norbornadiene skeleton, polycyclic skeleton (cuban skeleton, basketetane skeleton, Hausan skeleton, etc.), spiro skeleton, etc. Those containing an isobornyl skeleton exhibiting excellent adhesive strength are preferred.
  • a (meth) acrylic acid ester monomer containing the above skeleton is preferable.
  • cyclohexyl (meth) acrylate, dicyclopentanyl (meth) acrylate, (meth) Examples include adamantyl acrylate, isobornyl (meth) acrylate, dicyclopentenyl (meth) acrylate, and dicyclopentenyloxyethyl (meth) acrylate.
  • (meth) acrylic acid that exhibits better adhesion Isobornyl is preferred. These may be used individually by 1 type and may be used in combination of 2 or more type.
  • the (meth) acrylic acid ester polymer (A) preferably contains 3 to 20% by mass of the alicyclic structure-containing monomer as the monomer unit constituting the polymer, and particularly 6 to 18% by mass. Is preferable, and it is more preferable to contain 9 to 15% by mass.
  • the content of the alicyclic structure-containing monomer is 3% by mass or more, the obtained pressure-sensitive adhesive has sufficient adhesive strength (especially excellent adhesive strength to the transparent conductive film) to the transparent conductive film, glass and plastic. Can be demonstrated. Further, when the content of the alicyclic structure-containing monomer is 20% by mass or less, the content of other monomer components can be ensured and excellent adhesive strength can be sufficiently exhibited.
  • the nitrogen atom-containing monomer contained in the (meth) acrylic acid ester polymer (A) as a monomer unit constituting the polymer includes a monomer having an amino group, a monomer having an amide group, a monomer having a nitrogen-containing heterocyclic ring, etc. Among them, a monomer having a nitrogen-containing heterocyclic ring is preferable.
  • Examples of the monomer having a nitrogen-containing heterocyclic ring include N- (meth) acryloylmorpholine, N-vinyl-2-pyrrolidone, N- (meth) acryloylpyrrolidone, N- (meth) acryloylpiperidine, N- (meth) acryloyl. Pyrrolidine, N- (meth) acryloylaziridine, aziridinylethyl (meth) acrylate, 2-vinylpyridine, 4-vinylpyridine, 2-vinylpyrazine, 1-vinylimidazole, N-vinylcarbazole, N-vinylphthalimide, etc. Among them, N- (meth) acryloylmorpholine that exhibits superior adhesive strength is preferable, and N-acryloylmorpholine is particularly preferable.
  • nitrogen atom-containing monomers examples include (meth) acrylamide, N-methyl (meth) acrylamide, N-methylol (meth) acrylamide, N-tert-butyl (meth) acrylamide, and N, N-dimethyl (meth) acrylamide.
  • the above nitrogen atom containing monomers may be used individually by 1 type, and may be used in combination of 2 or more type.
  • the (meth) acrylic acid ester polymer (A) preferably contains 2 to 20% by mass of a nitrogen atom-containing monomer as a monomer unit constituting the polymer, particularly 4 to 10% by mass. Is preferable, and further 6 to 9% by mass is preferable.
  • the content of the nitrogen atom-containing monomer is 2% by mass or more, the obtained pressure-sensitive adhesive sufficiently exhibits excellent adhesion to the transparent conductive film and glass and plastic (particularly excellent adhesion to glass and plastic). can do.
  • the content of the nitrogen atom-containing monomer is 20% by mass or less, the content of other monomer components can be ensured, and the polymer (A) can be suppressed from becoming too hard, The resulting pressure-sensitive adhesive can sufficiently exhibit excellent adhesive strength.
  • the (meth) acrylic acid ester polymer (A) preferably contains a total of 5 to 40% by mass of the alicyclic structure-containing monomer and the nitrogen atom-containing monomer as monomer units constituting the polymer. It is preferably contained in an amount of ⁇ 28% by mass, more preferably 15-24% by mass.
  • the total content of both monomers is 5% by mass or more, the obtained pressure-sensitive adhesive can sufficiently exhibit excellent adhesion to the transparent conductive film, glass and plastic.
  • it can suppress that a polymer (A) becomes hard too much that the total content of both monomers is 40 mass% or less, and can fully exhibit the outstanding adhesive force.
  • the alkyl group has 1 to 20 carbon atoms ( It is preferable to contain a (meth) acrylic-acid alkylester, and it is preferable to contain especially as a main component (most component in the monomer which comprises a polymer).
  • the (meth) acrylic acid ester polymer (A) contains a (meth) acrylic acid alkyl ester having an alkyl group having 1 to 20 carbon atoms as a monomer unit constituting the polymer, thereby providing preferable adhesiveness. Can be expressed.
  • (meth) acrylic acid alkyl ester having 1 to 20 carbon atoms in the alkyl group include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, and n- (meth) acrylate.
  • examples thereof include n-dodecyl, myristyl (meth) acrylate, palmityl (meth) acrylate, stearyl (meth) acrylate, and the like.
  • (meth) acrylic acid esters having an alkyl group having 1 to 8 carbon atoms are preferable, and n-butyl (meth) acrylate and 2-ethylhexyl (meth) acrylate are particularly preferable. .
  • these may be used independently and may be used in combination of 2 or more type.
  • the (meth) acrylic acid ester polymer (A) contains 50 to 90% by mass of a (meth) acrylic acid alkyl ester having an alkyl group having 1 to 20 carbon atoms as a monomer unit constituting the polymer. It is preferably contained in an amount of 55-80% by mass, more preferably 60-70% by mass.
  • the (meth) acrylic acid ester polymer (A) is a functional group capable of reacting with the crosslinking agent (B) as a monomer unit constituting the polymer. It is preferable to contain a reactive functional group-containing monomer having a group.
  • the reactive functional group-containing monomer examples include monomers having a hydroxyl group in the molecule (hydroxyl group-containing monomer), monomers having a carboxyl group in the molecule (carboxyl group-containing monomer), and the like.
  • the (meth) acrylic acid ester polymer (A) does not contain a carboxyl group-containing monomer as a monomer unit constituting the polymer. Thereby, it can suppress that the obtained adhesive corrodes the transparent conductive film which is a to-be-adhered body, or changes the resistance value of a transparent conductive film.
  • the (meth) acrylic acid ester polymer (A) contains a carboxyl group-containing monomer as a monomer unit in an amount of 0.1% by mass or less, preferably 0.01% by mass or less. It is acceptable.
  • the (meth) acrylic acid ester polymer (A) preferably contains a hydroxyl group-containing monomer as the reactive functional group-containing monomer constituting the polymer.
  • hydroxyl group-containing monomer examples include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, (meth And (meth) acrylic acid hydroxyalkyl esters such as 3-hydroxybutyl acrylate and 4-hydroxybutyl (meth) acrylate.
  • 2-hydroxyethyl (meth) acrylate is preferable from the viewpoint of the reactivity of the hydroxyl group in the resulting (meth) acrylate polymer (A) with the crosslinking agent (B) and the copolymerizability with other monomers. .
  • These may be used alone or in combination of two or more.
  • the (meth) acrylic acid ester polymer (A) preferably contains 5 to 30% by mass of a reactive functional group-containing monomer as a monomer unit constituting the polymer, and particularly 10 to 25% by mass.
  • the content is preferably 15 to 20% by mass.
  • the (meth) acrylic acid ester polymer (A) may contain a monomer other than the above as a monomer unit constituting the polymer.
  • the other monomers include (meth) acrylic acid alkoxyalkyl esters such as methoxyethyl (meth) acrylate and ethoxyethyl (meth) acrylate, vinyl acetate, and styrene. These may be used alone or in combination of two or more.
  • the polymerization mode of the (meth) acrylic acid ester polymer (A) may be a random copolymer or a block copolymer.
  • the (meth) acrylic acid ester polymer (A) preferably has a weight average molecular weight of 300,000 to 1,200,000, particularly preferably 400,000 to 1,000,000, and more preferably 600,000 to 700,000. Is preferred.
  • the weight average molecular weight in this specification is the value of standard polystyrene conversion measured by the gel permeation chromatography (GPC) method.
  • the (meth) acrylic acid ester polymer (A) may be used alone or in combination of two or more.
  • the adhesive composition P may further contain a (meth) acrylic acid ester polymer that does not contain an alicyclic structure-containing monomer and / or a nitrogen atom-containing monomer as a constituent monomer unit.
  • crosslinking agent (B) When the pressure-sensitive adhesive composition P containing the cross-linking agent (B) is cross-linked, the cross-linking agent (B) is a reactive functional group-derived reactive functional group constituting the (meth) acrylic acid ester copolymer (A). Reacts with groups. Thereby, the structure by which (meth) acrylic acid ester copolymer (A) was bridge
  • the crosslinking agent (B) may be any one that reacts with the reactive functional group of the (meth) acrylic acid ester polymer (A).
  • an isocyanate crosslinking agent for example, an isocyanate crosslinking agent, an epoxy crosslinking agent, and an amine crosslinking agent.
  • Melamine crosslinking agent aziridine crosslinking agent, hydrazine crosslinking agent, aldehyde crosslinking agent, oxazoline crosslinking agent, metal alkoxide crosslinking agent, metal chelate crosslinking agent, metal salt crosslinking agent, ammonium salt crosslinking agent, etc. Is mentioned.
  • a crosslinking agent (B) can be used individually by 1 type or in combination of 2 or more types.
  • the isocyanate-based crosslinking agent contains at least a polyisocyanate compound.
  • the polyisocyanate compound include aromatic polyisocyanates such as tolylene diisocyanate, diphenylmethane diisocyanate and xylylene diisocyanate, aliphatic polyisocyanates such as hexamethylene diisocyanate, alicyclic polyisocyanates such as isophorone diisocyanate and hydrogenated diphenylmethane diisocyanate, etc.
  • biuret bodies, isocyanurate bodies, and adduct bodies that are a reaction product with low molecular active hydrogen-containing compounds such as ethylene glycol, propylene glycol, neopentyl glycol, trimethylolpropane, and castor oil.
  • low molecular active hydrogen-containing compounds such as ethylene glycol, propylene glycol, neopentyl glycol, trimethylolpropane, and castor oil.
  • trimethylolpropane-modified aromatic polyisocyanate, particularly trimethylolpropane-modified tolylene diisocyanate is preferable from the viewpoint of reactivity with hydroxyl groups.
  • the content of the crosslinking agent (B) in the adhesive composition P is preferably 0.05 to 1.00 parts by mass with respect to 100 parts by mass of the (meth) acrylic acid ester polymer (A). In particular, it is preferably 0.10 to 0.50 parts by mass, more preferably 0.15 to 0.30 parts by mass.
  • additives for the adhesive composition P if desired, various additives usually used in acrylic adhesives, for example, silane coupling agents, antistatic agents, tackifiers, antioxidants, Ultraviolet absorbers, light stabilizers, softeners, fillers, refractive index adjusters, and the like can be added.
  • the adhesive composition P manufactured the (meth) acrylic acid ester polymer (A), and cross-linked the obtained (meth) acrylic acid ester polymer (A) as desired. It can manufacture by adding an agent (B) and / or an additive.
  • the (meth) acrylic acid ester polymer (A) can be produced by polymerizing a mixture of monomer units constituting the polymer by an ordinary radical polymerization method.
  • the polymerization of the (meth) acrylic acid ester polymer (A) can be performed by a solution polymerization method or the like using a polymerization initiator as desired.
  • the polymerization solvent include ethyl acetate, n-butyl acetate, isobutyl acetate, toluene, acetone, hexane, methyl ethyl ketone and the like, and two or more kinds may be used in combination.
  • Examples of the polymerization initiator include azo compounds and organic peroxides, and two or more kinds may be used in combination.
  • Examples of the azo compound include 2,2′-azobisisobutyronitrile, 2,2′-azobis (2-methylbutyronitrile), 1,1′-azobis (cyclohexane 1-carbonitrile), 2 2,2'-azobis (2,4-dimethylvaleronitrile), 2,2'-azobis (2,4-dimethyl-4-methoxyvaleronitrile), dimethyl 2,2'-azobis (2-methylpropionate) 4,4′-azobis (4-cyanovaleric acid), 2,2′-azobis (2-hydroxymethylpropionitrile), 2,2′-azobis [2- (2-imidazolin-2-yl) Propane] and the like.
  • organic peroxides examples include benzoyl peroxide, t-butyl perbenzoate, cumene hydroperoxide, diisopropyl peroxydicarbonate, di-n-propyl peroxydicarbonate, and di (2-ethoxyethyl) peroxy.
  • organic peroxides include benzoyl peroxide, t-butyl perbenzoate, cumene hydroperoxide, diisopropyl peroxydicarbonate, di-n-propyl peroxydicarbonate, and di (2-ethoxyethyl) peroxy.
  • examples thereof include dicarbonate, t-butyl peroxyneodecanoate, t-butyl peroxybivalate, (3,5,5-trimethylhexanoyl) peroxide, dipropionyl peroxide, diacetyl peroxide and the like.
  • the weight average molecular weight of the resulting polymer can be adjusted by adding a chain transfer agent such as 2-mercaptoethanol.
  • the crosslinking agent (B) and / or additive is added to the solution of the (meth) acrylic acid ester polymer (A) as required, and mixed thoroughly.
  • the adhesive composition P (coating solution) diluted with the solvent is obtained.
  • Examples of the dilution solvent for diluting the adhesive composition P to form a coating solution include aliphatic hydrocarbons such as hexane, heptane, and cyclohexane, aromatic hydrocarbons such as toluene and xylene, methylene chloride, ethylene chloride, and the like.
  • Halogenated hydrocarbons alcohols such as methanol, ethanol, propanol, butanol and 1-methoxy-2-propanol, ketones such as acetone, methyl ethyl ketone, 2-pentanone, isophorone and cyclohexanone, esters such as ethyl acetate and butyl acetate, ethyl
  • a cellosolv solvent such as cellosolve is used.
  • the concentration / viscosity of the coating solution prepared in this manner is not particularly limited as long as it is within a coatable range, and can be appropriately selected according to the situation. For example, dilution is performed so that the concentration of the adhesive composition P is 10 to 40% by mass.
  • a dilution solvent etc. is not a necessary condition, and if a viscosity etc. which can be coated with the adhesive composition P are not necessary, a dilution solvent does not need to be added.
  • the adhesive composition P becomes a coating solution using the polymerization solvent of the (meth) acrylic acid ester polymer (A) as a dilution solvent.
  • the pressure-sensitive adhesive according to this embodiment is obtained by crosslinking the pressure-sensitive adhesive composition P.
  • the pressure-sensitive adhesive composition P can be crosslinked by heat treatment.
  • this heat processing can also serve as the drying process at the time of volatilizing the dilution solvent of the adhesive composition P, etc.
  • the heating temperature is preferably 50 to 150 ° C., particularly preferably 70 to 120 ° C.
  • the heating time is preferably 30 seconds to 10 minutes, particularly preferably 50 seconds to 2 minutes.
  • a curing period of about 1 to 2 weeks may be provided at normal temperature (for example, 23 ° C., 50% RH).
  • the pressure-sensitive adhesive obtained by cross-linking the pressure-sensitive adhesive composition P has a transparent conductive film due to the action of the alicyclic structure and nitrogen atoms (particularly nitrogen-containing heterocycle) of the (meth) acrylic acid ester polymer (A). In particular, it exhibits a strong adhesive force to a transparent conductive film made of tin-doped indium oxide (ITO), glass, and plastic, particularly plastic such as polycarbonate and polymethyl methacrylate.
  • ITO tin-doped indium oxide
  • the pressure-sensitive adhesive layer according to this embodiment preferably has a haze value (measured according to JIS K7136: 2000) of 10% or less, particularly preferably 3% or less, and more preferably 1.5. % Or less is preferable.
  • a haze value measured according to JIS K7136: 2000
  • the haze value is 1.5% or less, the transparency is very high and it is suitable for optical applications.
  • the pressure-sensitive adhesive layer according to this embodiment preferably has a total light transmittance (measured according to JIS K7105: 1981) of 90% or more, particularly preferably 95% or more. Is preferably 98% or more. When the total light transmittance is 98% or more, the transparency is very high and it is suitable for optical use.
  • the pressure-sensitive adhesive sheet 1 As shown in FIG. 1, the pressure-sensitive adhesive sheet 1 according to this embodiment includes two release sheets 12a and 12b and the two release sheets 12a so as to be in contact with the release surfaces of the two release sheets 12a and 12b. , 12b and an adhesive layer 11 sandwiched between the two layers.
  • the release sheets 12a and 12b in the pressure-sensitive adhesive sheet 1 are not essential components, and are peeled and removed when the pressure-sensitive adhesive sheet 1 is used.
  • the release surface of the release sheet in this specification refers to a surface having peelability in the release sheet, and includes both a surface that has been subjected to a release treatment and a surface that exhibits peelability without being subjected to a release treatment. .
  • the adhesive layer 11 is comprised from the adhesive formed by bridge
  • the thickness of the pressure-sensitive adhesive layer 11 (value measured according to JIS K7130) is preferably 10 to 300 ⁇ m, particularly preferably 25 to 250 ⁇ m, and more preferably 50 to 100 ⁇ m. When the thickness of the pressure-sensitive adhesive layer 11 is 10 ⁇ m or more, excellent adhesive force is sufficiently exhibited, and when the thickness of the pressure-sensitive adhesive layer 11 is 300 ⁇ m or less, workability is improved. Further, when the thickness of the pressure-sensitive adhesive layer 11 is 25 to 100 ⁇ m, it is suitable for optical applications, particularly for touch panel applications.
  • the pressure-sensitive adhesive layer 11 may be formed as a single layer or may be formed by laminating a plurality of layers.
  • release sheet examples of the release sheets 12a and 12b include polyethylene film, polypropylene film, polybutene film, polybutadiene film, polymethylpentene film, polyvinyl chloride film, vinyl chloride copolymer film, polyethylene terephthalate film, polyethylene naphthalate. Phthalate film, polybutylene terephthalate film, polyurethane film, ethylene vinyl acetate film, ionomer resin film, ethylene / (meth) acrylic acid copolymer film, ethylene / (meth) acrylic acid ester copolymer film, polystyrene film, polycarbonate film A polyimide film, a fluororesin film, or the like is used. These crosslinked films are also used. Furthermore, these laminated films may be sufficient.
  • the release surface of the release sheets 12a and 12b (particularly the surface in contact with the pressure-sensitive adhesive layer 11) is preferably subjected to a release treatment.
  • the release agent used for the release treatment include alkyd, silicone, fluorine, unsaturated polyester, polyolefin, and wax release agents.
  • one release sheet is preferably a heavy release release sheet having a high release force
  • the other release sheet is preferably a light release release sheet having a low release force.
  • the thickness of the release sheets 12a and 12b is not particularly limited, but is usually about 20 to 150 ⁇ m.
  • a coating liquid of the above-mentioned pressure-sensitive adhesive composition P is applied to the release surface of one release sheet 12a (or 12b), and heat treatment is performed for adhesion. After cross-linking the composition P and forming a coating layer, the release surface of the other release sheet 12b (or 12a) is overlaid on the coating layer.
  • a curing period is required, a curing period is set, and when the curing period is unnecessary, the coating layer becomes the pressure-sensitive adhesive layer 11 as it is. Thereby, the said adhesive sheet 1 is obtained.
  • the conditions for the heat treatment and curing are as described above.
  • a coating liquid of the above-mentioned pressure-sensitive adhesive composition P is applied to the release surface of one release sheet 12 a, a heat treatment is performed to cross-link the pressure-sensitive adhesive composition P, and a coating layer To obtain a release sheet 12a with a coating layer.
  • the coating liquid of the said adhesive composition P is apply
  • a release sheet 12b is obtained. And the peeling sheet 12a with an application layer and the peeling sheet 12b with an application layer are bonded together so that both application layers may mutually contact.
  • the curing period is necessary, the curing period is set, and when the curing period is unnecessary, the above-mentioned laminated application layer becomes the pressure-sensitive adhesive layer 11 as it is. Thereby, the said adhesive sheet 1 is obtained. According to this production example, even when the pressure-sensitive adhesive layer 11 is thick, it can be stably produced.
  • a bar coating method, a knife coating method, a roll coating method, a blade coating method, a die coating method, a gravure coating method, or the like can be used.
  • the adhesive strength to lime glass is preferably 20 N / 25 mm or more, particularly preferably 25 to 40 N / 25 mm, and more preferably 30 to 35 N / 25 mm.
  • the adhesive layer 11 side of the laminate obtained by laminating the adhesive layer 11 on a base material made of a polyethylene terephthalate film having a thickness of 100 ⁇ m is used as an ITO film (a transparent conductive film made of tin-doped indium oxide (ITO) on one side).
  • ITO film a transparent conductive film made of tin-doped indium oxide (ITO) on one side.
  • the adhesive strength of the laminate to the ITO film is preferably 10 N / 25 mm or more, particularly 15 to 30 N / 25 mm. More preferably, it is preferably 20 to 25 N / 25 mm.
  • the adhesive force here means the adhesive force measured by the 180 degree peeling method according to JIS Z0237: 2009
  • the measurement sample has a width of 25 mm and a length of 100 mm, and the measurement sample is attached. After being applied to the body by applying pressure at 0.5 MPa and 50 ° C. for 20 minutes, the sample was left for 24 hours under conditions of normal pressure, 23 ° C. and 50% RH, and then measured at a peeling rate of 300 mm / min. To do.
  • the pressure-sensitive adhesive layer 11 When the pressure-sensitive adhesive layer 11 is composed of a pressure-sensitive adhesive obtained by cross-linking the pressure-sensitive adhesive composition P, it can exhibit a high pressure-sensitive adhesive force for both glass and a transparent conductive film as described above. it can. By having the adhesive force with respect to both in the said range, the cover glass and ITO film (film sensor) in a touch panel, for example are reliably adhere
  • the capacitive touch panel 2 shown in FIG. 2 can be manufactured.
  • the touch panel 2 includes a display module 3, a first film sensor 5 a laminated thereon via an adhesive layer 4 a, and a second film sensor 5 b laminated thereon via an adhesive layer 4 b. And the cover material 6 laminated
  • the pressure-sensitive adhesive layer 11 in the touch panel 2 is the pressure-sensitive adhesive layer 11 of the pressure-sensitive adhesive sheet 1.
  • Examples of the display module 3 include a liquid crystal (LCD) module, a light emitting diode (LED) module, an organic electroluminescence (organic EL) module, and electronic paper.
  • LCD liquid crystal
  • LED light emitting diode
  • organic EL organic electroluminescence
  • the pressure-sensitive adhesive layers 4a and 4b may be formed of the pressure-sensitive adhesive layer 11 of the pressure-sensitive adhesive sheet 1, or may be formed of other pressure-sensitive adhesives or pressure-sensitive adhesive sheets.
  • the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer 4 includes an acrylic pressure-sensitive adhesive, a rubber-based pressure-sensitive adhesive, a silicone-based pressure-sensitive adhesive, a urethane-based pressure-sensitive adhesive, a polyester-based pressure-sensitive adhesive, and a polyvinyl ether-based pressure-sensitive adhesive.
  • an acrylic pressure-sensitive adhesive is preferable.
  • the first film sensor 5a and the second film sensor 5b are each generally composed of a base film 51 and a patterned transparent conductive film 52, respectively. Although it does not specifically limit as the base film 51, For example, a polyethylene terephthalate film, an acrylic film, a polycarbonate film etc. are used.
  • Examples of the transparent conductive film 52 include metals such as platinum, gold, silver and copper, oxides such as tin oxide, indium oxide, cadmium oxide, zinc oxide and zinc dioxide, tin-doped indium oxide (ITO), and zinc oxide-doped oxide.
  • oxides such as tin oxide, indium oxide, cadmium oxide, zinc oxide and zinc dioxide, tin-doped indium oxide (ITO), and zinc oxide-doped oxide.
  • Examples include composite oxides such as indium, fluorine-doped indium oxide, antimony-doped tin oxide, fluorine-doped tin oxide, and aluminum-doped zinc oxide, and non-oxidized compounds such as chalcogenide, lanthanum hexaboride, titanium nitride, and titanium carbide. Among these, those made of tin-doped indium oxide (ITO) are preferable.
  • One of the transparent conductive film 52 of the first film sensor 5a and the transparent conductive film 52 of the second film sensor 5b normally constitutes a circuit pattern in the X-axis direction, and the other constitutes a circuit pattern in the Y-axis direction. .
  • the transparent conductive film 52 of the second film sensor 5b is located above the second film sensor 5b in FIG.
  • the transparent conductive film 52 of the first film sensor 5a is positioned on the upper side of the first film sensor 5a in FIG. It may be located on the lower side.
  • the cover material 6 is mainly composed of a glass plate or a plastic plate.
  • the glass plate is not particularly limited. For example, chemically strengthened glass, alkali-free glass, quartz glass, soda lime glass, barium / strontium-containing glass, aluminosilicate glass, lead glass, borosilicate glass, barium borosilicate glass. Etc.
  • the plastic plate is not particularly limited, and examples thereof include an acrylic plate made of polymethyl methacrylate and the like, and a polycarbonate plate.
  • a functional layer such as a hard coat layer, an antireflection layer, or an antiglare layer may be provided on one side or both sides of the glass plate or plastic plate, or a hard coat film, an antireflection film, or an antiglare film.
  • Such optical members may be laminated.
  • the cover material 6 has a step on the surface on the pressure-sensitive adhesive layer 11 side, and specifically has a step due to the presence or absence of the printing layer 3.
  • the print layer 3 is generally formed in a frame shape on the pressure-sensitive adhesive layer 11 side of the cover material 6.
  • the material constituting the printing layer 3 is not particularly limited, and a known material for printing is used.
  • the thickness of the printing layer 3, that is, the height of the step, is preferably 3 to 45 ⁇ m, more preferably 5 to 35 ⁇ m, particularly preferably 7 to 25 ⁇ m, and preferably 7 to 15 ⁇ m. Further preferred.
  • the thickness of the printing layer 3 (the height of the step) is preferably 3 to 30% of the thickness of the pressure-sensitive adhesive layer 11, particularly preferably 3.2 to 20%, and more preferably 3 It is preferably 5 to 15%.
  • the pressure-sensitive adhesive layer 11 can easily follow the step formed by the printing layer 3, and the occurrence of floating or bubbles in the vicinity of the step is suppressed.
  • One release sheet 12a is peeled from the pressure-sensitive adhesive sheet 1, and the exposed pressure-sensitive adhesive layer 11 is bonded to the second film sensor 5b so as to be in contact with the patterned transparent conductive film 52 of the second film sensor 5b.
  • the pressure-sensitive adhesive layer 4b provided on the release sheet is bonded to the first film sensor 5a so as to be in contact with the patterned transparent conductive film 52 of the first film sensor 5a.
  • the release film remaining on the pressure-sensitive adhesive layer 4b is peeled off, and the exposed pressure-sensitive adhesive layer 4b is opposite to the surface on which the pressure-sensitive adhesive layer 11 is laminated in the second film sensor 5b (second surface). Both are bonded so that it may touch the exposed surface of the base film 51 of the film sensor 5b. Thereby, the laminated body by which the peeling sheet 12b, the adhesive layer 11, the 2nd film sensor 5b, the adhesive layer 4b, and the 1st film sensor 5a are laminated
  • the pressure-sensitive adhesive layer 4a provided on the release sheet is bonded to the surface of the laminate on the first film sensor 5a side (exposed surface of the base film 51 of the first film sensor 5a).
  • the other release sheet 12b is peeled from the laminate, and the cover material 6 is pasted so that the printed layer 7 side of the cover material 6 contacts the pressure-sensitive adhesive layer 11 with respect to the exposed pressure-sensitive adhesive layer 11. Match.
  • the release sheet is peeled from the structure, and the structure is bonded to the display module 3 so that the exposed adhesive layer 4a is in contact with the display module 3. Thereby, the touch panel 2 shown in FIG. 2 is manufactured.
  • the transparent conductive film 52 of the second film sensor 5 b and the cover material 6 are bonded together by the adhesive layer 11.
  • the pressure-sensitive adhesive layer 11 exhibits a strong adhesive force to the transparent conductive film, glass, and plastic, the second film sensor 5b and the cover material 6 are securely bonded.
  • one of the release sheets 12a and 12b in the pressure-sensitive adhesive sheet 1 may be omitted.
  • Example 1 Preparation of (meth) acrylic acid ester copolymer 60 parts by mass of 2-ethylhexyl acrylate, 10 parts by mass of N-acryloylmorpholine, 10 parts by mass of isobornyl acrylate and 20 parts by mass of 2-hydroxyethyl acrylate, A (meth) acrylic acid ester copolymer (A) was prepared. When the molecular weight of this (meth) acrylic acid ester copolymer (A) was measured by the method mentioned later, it was weight average molecular weight (Mw) 600,000.
  • Table 1 shows the composition of the adhesive composition. Details of the abbreviations and the like described in Table 1 are as follows. [(Meth) acrylic ester copolymer (A)] 2EHA: 2-ethylhexyl acrylate BA: n-butyl acrylate ACMO: N-acryloylmorpholine IBXA: isobornyl acrylate HEA: 2-hydroxyethyl acrylate [Crosslinking agent (B)] TDI: Trimethylolpropane modified tolylene diisocyanate (Toyochem, product name “BHS8515”)
  • a release treatment of a light release type release sheet (product name “SP-PET382120” manufactured by Lintec Co., Ltd.) in which one side of a polyethylene terephthalate film was release-treated with a silicone-based release agent was applied to the obtained adhesive composition coating solution.
  • the surface was coated with a knife coater so that the thickness after drying was 25 ⁇ m, and then heat-treated at 90 ° C. for 1 minute to form a coating layer.
  • the heavy release type release sheet with the coating layer obtained above and the light release type release sheet with the coating layer obtained above were bonded so that both coating layers were in contact with each other.
  • a pressure-sensitive adhesive sheet having a structure of heavy release type release sheet / pressure-sensitive adhesive layer (thickness: 50 ⁇ m) / light release type release sheet was produced.
  • the thickness of the pressure-sensitive adhesive layer is a value measured using a constant pressure thickness measuring instrument (manufactured by Teclock, product name “PG-02”) in accordance with JIS K7130.
  • Examples 2 and 3 Comparative Examples 1 and 2
  • a pressure-sensitive adhesive sheet was produced in the same manner as in Example 1 except that the type and ratio of each monomer constituting the (meth) acrylic acid ester copolymer (A) were changed as shown in Table 1.
  • the above-mentioned weight average molecular weight (Mw) is a polystyrene-reduced weight average molecular weight measured under the following conditions (GPC measurement) using gel permeation chromatography (GPC).
  • GPC measurement device manufactured by Tosoh Corporation, HLC-8020 GPC column (passed in the following order): TSK guard column HXL-H manufactured by Tosoh Corporation TSK gel GMHXL ( ⁇ 2) TSK gel G2000HXL ⁇ Measurement solvent: Tetrahydrofuran ⁇ Measurement temperature: 40 ° C.
  • the peelable release sheet was peeled from the sample, and the exposed adhesive layer was a polyethylene terephthalate film (made by Oike Kogyo Co., Ltd., ITO film, thickness provided with a transparent conductive film made of tin-doped indium oxide (ITO) on one side. : 125 ⁇ m).
  • a polyethylene terephthalate film made by Oike Kogyo Co., Ltd., ITO film, thickness provided with a transparent conductive film made of tin-doped indium oxide (ITO) on one side. : 125 ⁇ m).
  • the heavy release type release sheet is peeled off from the sample, and the exposed pressure-sensitive adhesive layer is attached to soda lime glass (Central Glass Co., Ltd., thickness: 1.1 mm), and adhesive strength (N / 25 mm).
  • the results are shown in Table 1.
  • the pressure-sensitive adhesive sheets obtained in the examples are very large in both the adhesive strength to the transparent conductive film and the adhesive strength to glass, and have excellent adhesive strength to both the transparent conductive film and glass. Demonstrated. Moreover, the adhesive sheet obtained in the Example had transparency suitable for optical applications.
  • the pressure-sensitive adhesive composition, pressure-sensitive adhesive and pressure-sensitive adhesive sheet of the present invention are very useful for bonding, for example, a cover material and a transparent conductive film in a capacitive touch panel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
PCT/JP2014/055868 2014-03-06 2014-03-06 粘着性組成物、粘着剤および粘着シート WO2015132940A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201480076819.4A CN106103621B (zh) 2014-03-06 2014-03-06 粘着性组合物、粘着剂及粘着片
KR1020167026538A KR102158456B1 (ko) 2014-03-06 2014-03-06 점착성 조성물, 점착제 및 점착 시트
PCT/JP2014/055868 WO2015132940A1 (ja) 2014-03-06 2014-03-06 粘着性組成物、粘着剤および粘着シート
JP2015552314A JP5948509B2 (ja) 2014-03-06 2014-03-06 粘着性組成物、粘着剤および粘着シート
TW104107141A TWI654271B (zh) 2014-03-06 2015-03-06 Adhesive composition, adhesive and adhesive sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/055868 WO2015132940A1 (ja) 2014-03-06 2014-03-06 粘着性組成物、粘着剤および粘着シート

Publications (1)

Publication Number Publication Date
WO2015132940A1 true WO2015132940A1 (ja) 2015-09-11

Family

ID=54054775

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/055868 WO2015132940A1 (ja) 2014-03-06 2014-03-06 粘着性組成物、粘着剤および粘着シート

Country Status (5)

Country Link
JP (1) JP5948509B2 (zh)
KR (1) KR102158456B1 (zh)
CN (1) CN106103621B (zh)
TW (1) TWI654271B (zh)
WO (1) WO2015132940A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015189940A (ja) * 2014-03-28 2015-11-02 アイカ工業株式会社 粘着剤組成物
JP2019123826A (ja) * 2018-01-18 2019-07-25 リンテック株式会社 繰り返し屈曲デバイス用粘着剤、粘着シート、繰り返し屈曲積層部材および繰り返し屈曲デバイス

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11189762A (ja) * 1997-12-26 1999-07-13 Nippon Kayaku Co Ltd 粘着シート基材用樹脂組成物、粘着シート用基材及びそれを用いた粘着シート
JP2006096776A (ja) * 2003-09-10 2006-04-13 Sumitomo Chemical Co Ltd アクリル樹脂組成物
WO2011149037A1 (ja) * 2010-05-27 2011-12-01 日東電工株式会社 電磁波吸収用粘着シート
JP2012173354A (ja) * 2011-02-17 2012-09-10 Nitto Denko Corp 光学用粘着シート
JP2013209487A (ja) * 2012-03-30 2013-10-10 Emulsion Technology Co Ltd 光硬化型粘着剤組成物およびこれを用いた粘着シート

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200510501A (en) * 2003-09-10 2005-03-16 Sumitomo Chemical Co Acrylic resin composition
JP5008870B2 (ja) * 2006-01-12 2012-08-22 日東電工株式会社 粘着剤組成物およびそれを含む粘着シート
IN2012DN02720A (zh) * 2009-09-29 2015-09-11 Lintec Corp
JP5719317B2 (ja) 2012-01-11 2015-05-13 綜研化学株式会社 導電膜用粘着剤組成物、積層体および該積層体を有するタッチパネル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11189762A (ja) * 1997-12-26 1999-07-13 Nippon Kayaku Co Ltd 粘着シート基材用樹脂組成物、粘着シート用基材及びそれを用いた粘着シート
JP2006096776A (ja) * 2003-09-10 2006-04-13 Sumitomo Chemical Co Ltd アクリル樹脂組成物
WO2011149037A1 (ja) * 2010-05-27 2011-12-01 日東電工株式会社 電磁波吸収用粘着シート
JP2012173354A (ja) * 2011-02-17 2012-09-10 Nitto Denko Corp 光学用粘着シート
JP2013209487A (ja) * 2012-03-30 2013-10-10 Emulsion Technology Co Ltd 光硬化型粘着剤組成物およびこれを用いた粘着シート

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015189940A (ja) * 2014-03-28 2015-11-02 アイカ工業株式会社 粘着剤組成物
JP2019123826A (ja) * 2018-01-18 2019-07-25 リンテック株式会社 繰り返し屈曲デバイス用粘着剤、粘着シート、繰り返し屈曲積層部材および繰り返し屈曲デバイス
JP7081927B2 (ja) 2018-01-18 2022-06-07 リンテック株式会社 繰り返し屈曲デバイス用粘着剤、粘着シート、繰り返し屈曲積層部材および繰り返し屈曲デバイス

Also Published As

Publication number Publication date
TWI654271B (zh) 2019-03-21
JP5948509B2 (ja) 2016-07-06
KR102158456B1 (ko) 2020-09-22
CN106103621A (zh) 2016-11-09
CN106103621B (zh) 2019-01-11
JPWO2015132940A1 (ja) 2017-03-30
KR20160130251A (ko) 2016-11-10
TW201540797A (zh) 2015-11-01

Similar Documents

Publication Publication Date Title
TWI628250B (zh) Adhesive composition, adhesive and adhesive sheet
JP6196781B2 (ja) 粘着性組成物、粘着剤および粘着シート
JP6389198B2 (ja) 粘着シート、表示体およびそれらの製造方法
JP6112892B2 (ja) 粘着性組成物、粘着剤および粘着シート
JP6200065B2 (ja) 粘着剤および粘着シート
JP6114649B2 (ja) 粘着性組成物、粘着剤および粘着シート
JP6888901B2 (ja) 粘着性組成物、粘着剤、粘着シートおよび表示体
TWI769991B (zh) 黏著性組成物、黏著劑、黏著片以及顯示體
JP7170387B2 (ja) 粘着シートおよび表示体
CN108690537B (zh) 压敏粘合性组合物、压敏粘合剂及压敏粘合片
JP6039451B2 (ja) 透明導電膜貼付用粘着剤および粘着シート
JP6368410B2 (ja) タッチパネル
KR102413010B1 (ko) 점착 시트
JP6290466B2 (ja) 粘着シート
JP5948509B2 (ja) 粘着性組成物、粘着剤および粘着シート
JP6145568B2 (ja) 粘着剤および粘着シート
JP7008467B2 (ja) 粘着シートおよび表示体
JP2019010885A (ja) 表示体
JP6227744B2 (ja) 透明導電膜貼付用粘着剤および粘着シート
JP6325633B2 (ja) 透明導電膜貼付用粘着剤および粘着シート
JP7148369B2 (ja) 構成体の製造方法

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2015552314

Country of ref document: JP

Kind code of ref document: A

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

Ref document number: 14884443

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: 20167026538

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 14884443

Country of ref document: EP

Kind code of ref document: A1