+

WO2018173979A1 - Composition adhésive sensible à la pression et feuille adhésive sensible à la pression - Google Patents

Composition adhésive sensible à la pression et feuille adhésive sensible à la pression Download PDF

Info

Publication number
WO2018173979A1
WO2018173979A1 PCT/JP2018/010632 JP2018010632W WO2018173979A1 WO 2018173979 A1 WO2018173979 A1 WO 2018173979A1 JP 2018010632 W JP2018010632 W JP 2018010632W WO 2018173979 A1 WO2018173979 A1 WO 2018173979A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
sensitive adhesive
group
carbon atoms
adhesive composition
Prior art date
Application number
PCT/JP2018/010632
Other languages
English (en)
Japanese (ja)
Inventor
米澤　裕之
Original Assignee
富士フイルム株式会社
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 富士フイルム株式会社 filed Critical 富士フイルム株式会社
Priority to JP2019507647A priority Critical patent/JPWO2018173979A1/ja
Publication of WO2018173979A1 publication Critical patent/WO2018173979A1/fr

Links

Definitions

  • This disclosure relates to an adhesive composition and an adhesive sheet.
  • blue light for example, light in a wavelength region of 380 nm to 500 nm
  • ultraviolet rays for example, light in a wavelength region of 300 nm to 400 nm
  • attempts have been made to impart a function of blocking ultraviolet rays and / or blue light in display sheets and window films.
  • Japanese Patent Application Laid-Open No. 2016-130276 discloses a screen protection film having a base material and a pressure-sensitive adhesive layer provided on the base material as a film having excellent ultraviolet absorbing ability, A hard coat layer is provided on the surface opposite to the pressure-sensitive adhesive layer, the pressure-sensitive adhesive layer contains an acrylic copolymer and a triazine ultraviolet absorber, and the acrylic copolymer is methyl.
  • the acrylate monomer unit is contained in an amount of 1 to 20% by mass based on the solid content of the acrylic copolymer, and the pressure-sensitive adhesive layer contains the triazine-based ultraviolet absorber in 100 parts by mass of the acrylic copolymer. 10 to 20 parts by mass, using a image clarity measuring device in accordance with JIS K7374: 2007, and placing it on the sample table with the adhesive layer of the screen protection film facing the light source, A screen protection film having a image clarity of 80 to 100% measured at a base angle of 45 degrees, a transmission mode, and a comb width of 0.125 mm is known (see, for example, JP-A-2016-130276).
  • a film containing an ultraviolet absorber in the adhesive layer at least one hindered phenolic antioxidant selected from the group consisting of an adhesive, an ultraviolet absorber, a triazine skeleton, a thio skeleton, and a cresol skeleton
  • a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer comprising a pressure-sensitive adhesive composition comprising see, for example, JP-A-2014-193939).
  • the ultraviolet absorber is generally a compound having a cyclic skeleton.
  • the compound having a cyclic skeleton has high rigidity, in the pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition containing the ultraviolet absorber, the cohesive energy may increase and the pressure-sensitive adhesive force may decrease.
  • the adhesive sheet is required to have excellent adhesive strength, it is not desirable that the adhesive strength of the adhesive layer is reduced by the ultraviolet absorber.
  • One embodiment of the present invention provides a pressure-sensitive adhesive composition that has a function of blocking ultraviolet light and blue light, is capable of forming a pressure-sensitive adhesive layer that has an excellent pressure-sensitive adhesive force, and is capable of forming a pressure-sensitive adhesive layer. About that. Another embodiment of this invention is related with providing the adhesive sheet which has an adhesive layer containing the said adhesive composition.
  • Means for solving the above problems include the following aspects.
  • a pressure-sensitive adhesive composition comprising a pressure-sensitive adhesive and an ultraviolet absorber having at least one of —S— and —SO 2 — in the molecule.
  • X 1 and X 2 each independently represent an oxygen atom, a sulfur atom, or NR 17 , and at least one of X 1 and X 2 represents a sulfur atom.
  • R 17 represents a hydrogen atom or a monovalent substituent.
  • R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 are each independently a hydrogen atom, a hydroxy group, an alkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, or a carbon number.
  • R 21 , R 22 , and R 23 are each independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, or an acyloxy group having 2 to 30 carbon atoms. Or a carbamoyloxy group having 1 to 30 carbon atoms.
  • At least one of R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 in the formula (1) represents a linear alkyl group having 4 to 12 carbon atoms, according to ⁇ 4>.
  • ⁇ 6> The pressure-sensitive adhesive composition according to ⁇ 4> or ⁇ 5>, wherein at least one of R 21 , R 22 , and R 23 in formula (2) represents a linear alkyl group having 4 to 12 carbon atoms.
  • the ultraviolet absorber includes at least one compound selected from the group consisting of Compound 1, Compound 2, Compound 3, and Compound 5 represented by the following structural formula: The pressure-sensitive adhesive composition according to any one of the above.
  • the content of the ultraviolet absorber is any one of ⁇ 1> to ⁇ 8>, which is 0.5% by mass or more and 10% by mass or less with respect to the total solid content of the pressure-sensitive adhesive composition.
  • Adhesive composition ⁇ 10> The pressure-sensitive adhesive according to any one of ⁇ 1> to ⁇ 9>, wherein the content of the ultraviolet absorber is 1% by mass to 5% by mass with respect to the total solid content of the pressure-sensitive adhesive composition.
  • Agent composition is any one of ⁇ 1> to ⁇ 8>, which is 0.5% by mass or more and 10% by mass or less with respect to the total solid content of the pressure-sensitive adhesive composition.
  • a pressure-sensitive adhesive composition that has a function of blocking ultraviolet light and blue light, is capable of forming a pressure-sensitive adhesive layer having an excellent pressure-sensitive adhesive force, with a decrease in the pressure-sensitive adhesive force caused by an ultraviolet absorber.
  • a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer containing the pressure-sensitive adhesive composition is provided.
  • a numerical range indicated by using “to” means a range including the numerical values described before and after “to” as the minimum value and the maximum value, respectively.
  • an upper limit value or a lower limit value described in a numerical range may be replaced with an upper limit value or a lower limit value in another numerical range.
  • the upper limit value or the lower limit value described in a certain numerical range may be replaced with the values shown in the examples.
  • a combination of two or more preferred embodiments is a more preferred embodiment.
  • the content or content rate of each component means the total content or content rate of the plurality of types of substances unless there is a specific case when there are a plurality of types of substances corresponding to the respective components.
  • “ultraviolet light” means light in the wavelength region of 300 nm to 400 nm.
  • “blue light” means light in the wavelength region of 380 nm to 500 nm.
  • blocking ultraviolet rays includes not only completely blocking ultraviolet rays but also blocking at least part of ultraviolet rays and reducing the transmittance of ultraviolet rays through an adhesive layer. To do. The same applies to “blocking of blue light”.
  • the pressure-sensitive adhesive composition of the present disclosure includes a pressure-sensitive adhesive and an ultraviolet absorber having at least one of —S— and —SO 2 — in the molecule (hereinafter also referred to as “specific ultraviolet absorber”). Including. According to the pressure-sensitive adhesive composition of the present disclosure, a pressure-sensitive adhesive layer that has an ultraviolet and blue light blocking function, suppresses a decrease in the pressure-sensitive adhesive force due to the ultraviolet absorber, and has an excellent pressure-sensitive adhesive force can be formed. The reason why the pressure-sensitive adhesive composition of the present disclosure can exhibit such an effect is not clear, but the present inventor presumes as follows.
  • an ultraviolet absorber is a compound having a cyclic skeleton, and therefore has high rigidity.
  • cohesive energy increases and adhesive strength decreases. There is a case.
  • the pressure-sensitive adhesive composition of the present disclosure includes a pressure-sensitive adhesive and an ultraviolet absorber having a structure of at least one of —S— and —SO 2 — in the molecule (that is, a specific ultraviolet absorber).
  • an ultraviolet absorber having a structure of at least one of —S— and —SO 2 — in the molecule (that is, a specific ultraviolet absorber).
  • the pressure-sensitive adhesive composition of the present disclosure includes a pressure-sensitive adhesive and a specific ultraviolet absorber, so that when the pressure-sensitive adhesive layer is formed as a pressure-sensitive adhesive layer, the pressure-sensitive adhesive force is not lowered, but rather improved, and ultraviolet and blue light It is also possible to provide a blocking function.
  • the screen protective film described in JP-A-2016-130276 and the pressure-sensitive adhesive film described in JP-A-2014-193939 contain an ultraviolet absorber in the pressure-sensitive adhesive layer. Is not an ultraviolet absorber having a —S— structure and / or a —SO 2 — structure in the molecule. Therefore, it is considered that the screen protective film described in Japanese Patent Application Laid-Open No. 2016-130276 and the adhesive film described in Japanese Patent Application Laid-Open No. 2014-19393939 have a decrease in adhesive force due to containing an ultraviolet absorber. In addition, Japanese Patent Application Laid-Open No. 2016-130276 and Japanese Patent Application Laid-Open No. 2014-193939 do not pay any attention to the influence of the ultraviolet absorber on the adhesive force of the adhesive layer.
  • the pressure-sensitive adhesive composition of the present disclosure includes a pressure-sensitive adhesive.
  • the pressure-sensitive adhesive can contribute to the expression of the pressure-sensitive adhesive force of the pressure-sensitive adhesive layer formed by the pressure-sensitive adhesive composition.
  • the pressure-sensitive adhesive contained in the pressure-sensitive adhesive composition of the present disclosure is not particularly limited.
  • the form of the pressure-sensitive adhesive may be a solvent-based pressure-sensitive adhesive, a solventless pressure-sensitive adhesive, a water-dispersed pressure-sensitive adhesive, or a solid pressure-sensitive adhesive.
  • Examples of the pressure-sensitive adhesive include acrylic pressure-sensitive adhesives, urethane-based pressure-sensitive adhesives, silicone-based pressure-sensitive adhesives, and rubber-based pressure-sensitive adhesives.
  • a commercial item can be used as an adhesive.
  • acrylic adhesives include ARONTAC (registered trademark, the same shall apply hereinafter) HV-C3050, ARONTAC HV-C9500, ARONTAC HV-C9506, ARONTAC HV-C3006, ARONTAC HV-C6320 from Toagosei Co., Ltd.
  • Nipol registered trademark, the same shall apply hereinafter
  • Examples of commercially available urethane-based pressure-sensitive adhesives include Toyochem Co., Ltd.'s olivine (registered trademark, hereinafter the same) SP-205, olivine SH-109, olivine SH-101, olivine SH-101M, and the like.
  • Examples of commercially available silicone pressure-sensitive adhesives include SD4584, SD4585, SD4560, SD4570, SD4580, and SD4587 from Toray Dow Corning Co., Ltd.
  • Examples of commercially available rubber-based pressure-sensitive adhesives include Nipol LX430, Nipol KX415, Nipol SX1105A manufactured by Nippon Zeon Co., Ltd., and Oribain BPS5079-1 manufactured by Toyochem Co., Ltd.
  • the pressure-sensitive adhesive composition of the present disclosure may contain only one type of pressure-sensitive adhesive, or may contain two or more types.
  • the content rate of the solid content of the pressure-sensitive adhesive in the pressure-sensitive adhesive composition of the present disclosure is not particularly limited. % Or less, 60 mass% or more and 98 mass% or less are more preferable, and 70 mass% or more and 97 mass% or less are still more preferable.
  • the “solid content of the pressure-sensitive adhesive” in the present disclosure means a residue obtained by removing the solvent and water from the components constituting the pressure-sensitive adhesive.
  • the “total solid content of the pressure-sensitive adhesive composition” means the total amount of the residue obtained by removing the solvent and water from the components constituting the pressure-sensitive adhesive composition.
  • the pressure-sensitive adhesive composition of the present disclosure includes an ultraviolet absorber having at least one of —S— and —SO 2 — in the molecule (that is, a specific ultraviolet absorber).
  • the specific ultraviolet light absorber can contribute not only to imparting ultraviolet and blue light blocking functions to the pressure-sensitive adhesive layer, but also to improving the pressure-sensitive adhesive strength of the pressure-sensitive adhesive layer.
  • the specific ultraviolet absorber may have only the —S— structure in the molecule, may have only the —SO 2 — structure, and has both the —S— structure and the —SO 2 — structure. You may have.
  • the specific ultraviolet absorber preferably has a cyclic structure in the molecule from the viewpoint that, for example, a more excellent ultraviolet blocking function and blue light blocking function can be imparted to the pressure-sensitive adhesive layer. And at least one cyclic structure selected from 3,5-pyrazolidinedione rings is more preferable.
  • the specific ultraviolet absorber can impart, for example, a more excellent ultraviolet blocking function and blue light blocking function to the adhesive layer, and can further improve the adhesive strength of the adhesive layer. From the viewpoint, it is preferable to include at least one compound selected from the compound represented by the following formula (1) and the compound represented by the formula (2).
  • X 1 and X 2 in Formula (1) each independently represent an oxygen atom, a sulfur atom, or NR 17 , and at least one of X 1 and X 2 represents a sulfur atom, from the viewpoint of improving heat resistance, It is preferable that both X 1 and X 2 represent a sulfur atom.
  • R 17 represents a hydrogen atom or a monovalent substituent, and preferably represents a hydrogen atom.
  • the monovalent substituent represented by R 17 is preferably an alkyl group, an alkoxy group, an acyloxy group, or a carbamoyloxy group.
  • R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 in formula (1) are each independently a hydrogen atom, a hydroxy group, an alkyl group having 1 to 30 carbon atoms, or an alkyl group having 1 to 30 carbon atoms.
  • An alkoxy group, an acyloxy group having 2 to 30 carbon atoms, or a carbamoyloxy group having 1 to 30 carbon atoms is represented.
  • the alkyl group represented by R 11 to R 16 may further have a monovalent substituent, and may be linear, branched or cyclic.
  • the alkyl group has 1 to 30 carbon atoms, preferably 4 to 12 carbon atoms, and more preferably 4 to 8 carbon atoms. Note that these carbon numbers do not include the carbon number of the substituent when the alkyl group further has a substituent. The substituent will be described later.
  • alkyl group having 1 to 30 carbon atoms examples include methyl group, ethyl group, n-butyl group, i-butyl group, s-butyl group, t-butyl group, n-octyl group, i-octyl group, 2 -Ethylhexyl group, n-nonyl group, i-nonyl group, n-decyl group, n-dodecyl group, stearyl group, lauryl group, cyclohexyl group and the like.
  • the alkoxy group having 1 to 30 carbon atoms represented by R 11 to R 16 is represented as —OR A1 (R A1 is an alkyl group), and R A1 has the same meaning as the alkyl group represented by R 11 to R 16. It is.
  • R A1 is an alkyl group
  • R A1 has the same meaning as the alkyl group represented by R 11 to R 16. It is.
  • Examples of the alkoxy group having 1 to 30 carbon atoms include methoxy group, ethoxy group, propoxy group, n-octyloxy group, methoxyethoxy group, hydroxyethoxy group, 3-carboxypropoxy group and the like.
  • the acyloxy group having 2 to 30 carbon atoms represented by R 11 to R 16 may further have a monovalent substituent.
  • the acyloxy group has 2 to 30 carbon atoms, preferably 3 to 12, more preferably 4 to 10, still more preferably 4 to 8. These carbon numbers do not include the carbon number of the substituent when the acyloxy group further has a substituent.
  • Examples of the acyloxy group having 2 to 30 carbon atoms include 2-ethylhexanoyloxy group, n-octanoyloxy group, formyloxy group, acetyloxy group, pivaloyloxy group, stearoyloxy group, benzoyloxy group, p-methoxy group A phenylcarbonyloxy group etc. are mentioned.
  • the carbamoyloxy group having 1 to 30 carbon atoms represented by R 11 to R 16 may further have a monovalent substituent.
  • the carbamoyloxy group has 1 to 30 carbon atoms, preferably 4 to 10 carbon atoms. These carbon numbers do not include the carbon number of the substituent when the carbamoyloxy group further has a substituent.
  • Examples of the carbamoyloxy group having 1 to 30 carbon atoms include N-methylcarbamoyloxy group, N, N-dimethylcarbamoyloxy group, N, N-diethylcarbamoyloxy group, morpholinocarbonyloxy group, N, N-di- Examples thereof include an n-octylaminocarbonyloxy group and a Nn-octylcarbamoyloxy group.
  • At least one of R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 in formula (1) are preferably represented a linear alkyl group having 4 to 12 carbon atoms.
  • R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 in Formula (1) is a linear alkyl group having 4 to 12 carbon atoms.
  • both X 1 and X 2 are sulfur atoms
  • R 11 is an alkyl group having 1 to 30 carbon atoms
  • R 12 is an alkyl group having 1 to 30 carbon atoms.
  • An embodiment in which the alkyl group is R 13 is an acyloxy group having 3 to 12 carbon atoms
  • R 14 is a hydrogen atom
  • R 15 is a hydrogen atom
  • R 16 is an acyloxy group having 3 to 12 carbon atoms.
  • both X 1 and X 2 are sulfur atoms
  • R 11 is an alkyl group having 4 to 12 carbon atoms
  • R 12 is an alkyl group having 4 to 12 carbon atoms
  • R 13 is 4 to 12 carbon atoms.
  • an acyloxy group of 10 More preferred is an acyloxy group of 10; R 14 is a hydrogen atom; R 15 is a hydrogen atom; and R 16 is an acyloxy group having 4 to 10 carbon atoms, and both X 1 and X 2 are sulfur.
  • An atom, and R 11 is an alkyl having 4 to 8 carbon atoms.
  • a kill group, R 12 is an alkyl group having 4 to 8 carbon atoms, R 13 is an acyloxy group having 4 to 8 carbon atoms, R 14 is a hydrogen atom, R 15 is a hydrogen atom,
  • An embodiment in which 16 is an acyloxy group having 4 to 8 carbon atoms is further preferred. According to such an aspect, a more excellent ultraviolet blocking function and blue light blocking function can be imparted to the pressure-sensitive adhesive layer. Moreover, the adhesive force of an adhesive layer can be improved more.
  • R 21 , R 22 and R 23 in formula (2) are each independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an acyloxy group having 2 to 30 carbon atoms, Alternatively, it represents a carbamoyloxy group having 1 to 30 carbon atoms.
  • the alkyl group represented by R 21 to R 23 may further have a monovalent substituent, and may be linear, branched or cyclic.
  • the alkyl group has 1 to 30 carbon atoms, and preferably 1 to 12 carbon atoms. Note that these carbon numbers do not include the carbon number of the substituent when the alkyl group further has a substituent.
  • alkyl group having 1 to 30 carbon atoms examples include methyl group, ethyl group, n-butyl group, i-butyl group, s-butyl group, t-butyl group, n-octyl group, i-octyl group, 2 -Ethylhexyl group, n-nonyl group, i-nonyl group, n-decyl group, n-dodecyl group, stearyl group, lauryl group, cyclohexyl group and the like.
  • the alkoxy group having 1 to 30 carbon atoms represented by R 21 to R 23 is represented as —OR A2 (R A2 is an alkyl group), and R A2 has the same meaning as the alkyl group represented by R 21 to R 23. It is.
  • R A2 is an alkyl group
  • R A2 has the same meaning as the alkyl group represented by R 21 to R 23. It is.
  • Examples of the alkoxy group having 1 to 30 carbon atoms include methoxy group, ethoxy group, propoxy group, n-octyloxy group, methoxyethoxy group, hydroxyethoxy group, 3-carboxypropoxy group and the like.
  • the acyloxy group having 2 to 30 carbon atoms represented by R 21 to R 23 may further have a monovalent substituent.
  • the acyloxy group has 2 to 30 carbon atoms, preferably 4 to 10 carbon atoms. These carbon numbers do not include the carbon number of the substituent when the acyloxy group further has a substituent.
  • Examples of the acyloxy group having 2 to 30 carbon atoms include 2-ethylhexanoyloxy group, n-octanoyloxy group, formyloxy group, acetyloxy group, pivaloyloxy group, stearoyloxy group, benzoyloxy group, p-methoxy group A phenylcarbonyloxy group etc. are mentioned.
  • the carbamoyloxy group having 1 to 30 carbon atoms represented by R 21 to R 23 may further have a monovalent substituent.
  • the carbamoyloxy group has 1 to 30 carbon atoms, preferably 4 to 10 carbon atoms. These carbon numbers do not include the carbon number of the substituent when the carbamoyloxy group further has a substituent.
  • Examples of the carbamoyloxy group having 1 to 30 carbon atoms include N-methylcarbamoyloxy group, N, N-dimethylcarbamoyloxy group, N, N-diethylcarbamoyloxy group, morpholinocarbonyloxy group, N, N-di- Examples thereof include an n-octylaminocarbonyloxy group and a Nn-octylcarbamoyloxy group.
  • At least one of R 21 , R 22 , and R 23 in Formula (2) has 4 to 12 carbon atoms. It preferably represents a linear alkyl group, and more preferably represents a linear alkyl group having 8 to 12 carbon atoms.
  • R 21 , R 22 , and R 23 in formula (2) is a linear alkyl group having 4 to 12 carbon atoms, a flexible portion is formed in the structure of the ultraviolet absorber, and thus the formed adhesive The tenacity of the agent layer is improved and the adhesive strength is further increased.
  • R 21 is an alkyl group
  • R 22 is an alkyl group
  • R 23 is an alkyl group
  • R 21 has 1 to 4 carbon atoms. More preferred is an alkyl group, R 22 is an alkyl group having 1 to 4 carbon atoms, R 23 is an alkyl group having 4 to 12 carbon atoms, and R 21 is an alkyl group having 1 to 4 carbon atoms. More preferably, R 22 is an alkyl group having 1 to 4 carbon atoms, and R 23 is an alkyl group having 8 to 12 carbon atoms.
  • a more excellent ultraviolet blocking function and blue light blocking function can be imparted to the pressure-sensitive adhesive layer.
  • the adhesive force of an adhesive layer can be improved more.
  • the substituent that the alkyl group, acyloxy group, and carbamoyloxy group in Formula (1) and Formula (2) may have can be arbitrarily selected from the following substituent group.
  • Substituent group halogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, hydroxyl group, nitro group, carboxyl group, alkoxy group, aryloxy group, silyloxy group, heterocyclic oxy group, acyloxy group, carbamoyl Oxy group, alkoxycarbonyloxy group, aryloxycarbonyloxy group, amino group, acylamino group, aminocarbonylamino group, alkoxycarbonylamino group, aryloxycarbonylamino group, sulfamoylamino group, alkyl and arylsulfonylamino group, mercapto Group, alkylthio group, arylthio group, heterocyclic thio group
  • Specific examples of the specific ultraviolet absorber are shown below. However, the specific ultraviolet absorber is not limited to these compounds.
  • the following compound 1, compound 2, and compound 5 are specific examples of the compound represented by formula (1), and the following compound 3 and compound 6 are specific examples of the compound represented by formula (2). It is an example.
  • the specific ultraviolet light absorber Preferably contains at least one compound selected from the group consisting of Compound 1, Compound 2, Compound 3, and Compound 5. Since all of Compound 1, Compound 2, Compound 3, and Compound 5 have a linear alkyl group having 4 or more carbon atoms, a flexible portion is generated in the structure. Thereby, in the adhesive layer formed of the adhesive composition containing at least one compound selected from the group consisting of Compound 1, Compound 2, Compound 3, and Compound 5, a linear alkyl group having 4 or more carbon atoms is added.
  • the tenacity is improved, and thus the pressure-sensitive adhesive strength is further increased.
  • the specific ultraviolet absorber contained in the pressure-sensitive adhesive composition of the present disclosure is at least one compound selected from the group consisting of Compound 1, Compound 2, Compound 3, and Compound 5, The yellowishness of the pressure-sensitive adhesive layer that may be caused is further suppressed.
  • compound 4 is preferably included. Since compound 4 has absorption in the region on the long wavelength side due to its skeletal structure, an excellent blue light blocking function can be imparted to the pressure-sensitive adhesive layer.
  • a commercial item can be used as a specific ultraviolet absorber.
  • specific ultraviolet absorbers include Tinuvin (registered trademark) PS, 99-2, 326, 384-2, 900, 928, 1130, 400, 405, 460, 477, 479, etc., manufactured by BASF Japan. Can be mentioned.
  • the pressure-sensitive adhesive composition of the present disclosure may contain only one type of specific ultraviolet absorber, or may contain two or more types.
  • the content rate of the specific ultraviolet absorber in the adhesive composition of this indication is not restrict
  • the content of the specific ultraviolet absorber in the pressure-sensitive adhesive composition of the present disclosure is 0.5% by mass or more with respect to the total solid content of the pressure-sensitive adhesive composition, more excellent ultraviolet light with respect to the pressure-sensitive adhesive layer A blocking function and a blue light blocking function can be provided. Moreover, the adhesive force of an adhesive layer can be improved more.
  • the adhesive force of the adhesive layer by an ultraviolet absorber as the content rate of the specific ultraviolet absorber in the adhesive composition of this indication is 10 mass% or less with respect to the total solid of an adhesive composition. Is further suppressed. Moreover, yellowishness that can be caused by the ultraviolet absorber is further suppressed.
  • the ratio of the solid content of the specific ultraviolet absorber to the solid content of the adhesive in the pressure-sensitive adhesive composition of the present disclosure (hereinafter also referred to as “solid content of the specific ultraviolet absorber / solid content of the adhesive”) is, for example, 1
  • the mass% is preferably 20% by mass or less, more preferably 2% by mass or more and 10% by mass or less, and further preferably 4% by mass or more and 10% by mass or less.
  • the pressure-sensitive adhesive force of the pressure-sensitive adhesive layer can be further improved.
  • the solid content of the specific ultraviolet absorber / the solid content of the adhesive in the pressure-sensitive adhesive composition of the present disclosure is 20% by mass or less, a decrease in the adhesive strength of the pressure-sensitive adhesive layer due to the ultraviolet absorber is further suppressed.
  • the pressure-sensitive adhesive composition of the present disclosure may contain components other than the components described above (so-called other components) as necessary within a range not impairing the effects of the present disclosure.
  • other components include a solvent, an antioxidant, a crosslinking agent, a surfactant, a filler, a colorant, a light stabilizer, a thickener, and a polymerization initiator.
  • the pressure-sensitive adhesive composition of the present disclosure preferably contains a solvent from the viewpoint of improving applicability.
  • the “solvent” used herein includes a solvent for dilution used for dilution and a solvent contained in a commercially available adhesive.
  • Solvents include hexane, heptane, octane, toluene, xylene, ethylbenzene, cyclohexane, methylcyclohexane and other hydrocarbons; dichloromethane, trichloroethane, trichloroethylene, tetrachloroethylene, dichloropropane and other halogenated hydrocarbons; methanol, ethanol, propanol, Alcohols such as isopropyl alcohol, butanol, isobutyl alcohol, diacetone alcohol; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, isophorone, cyclohexanone; methyl acetate, acetic acid Esters such as ethyl, butyl
  • the content of the solvent in the pressure-sensitive adhesive composition is, for example, from 30% by mass to 80% by mass with respect to the total amount of the pressure-sensitive adhesive composition from the viewpoint of improving coatability. %, More preferably 40% to 70% by weight, and still more preferably 40% to 60% by weight.
  • the pressure-sensitive adhesive sheet of the present disclosure has a pressure-sensitive adhesive layer containing the pressure-sensitive adhesive composition of the present disclosure described above. Since the pressure-sensitive adhesive sheet of the present disclosure has a pressure-sensitive adhesive layer containing the pressure-sensitive adhesive composition of the present disclosure, the pressure-sensitive adhesive sheet has an excellent ultraviolet and blue light blocking function. In addition, the pressure-sensitive adhesive sheet of the present disclosure has an excellent pressure-sensitive adhesive force with a decrease in pressure-sensitive adhesive force caused by the ultraviolet absorber.
  • the pressure-sensitive adhesive sheet of the present disclosure may be a pressure-sensitive adhesive sheet having no base material (non-base material type), or a pressure-sensitive adhesive sheet having a base material (substrate-type).
  • the substrate is not particularly limited, and examples thereof include resin films such as polyethylene terephthalate (PET), polyethylene, polystyrene, polypropylene, polycarbonate, polyvinyl acetal, and acrylic resin.
  • PET polyethylene terephthalate
  • the substrate is preferably transparent.
  • the thickness of the substrate is not particularly limited, and is preferably 15 ⁇ m to 1000 ⁇ m from the viewpoint of durability, for example.
  • the exposed surface of the pressure-sensitive adhesive layer may be protected by a release film.
  • a release film will not be restrict
  • the resin film for example, PET film
  • the peeling processing agent for example, silicone
  • the release film protects the surface of the pressure-sensitive adhesive layer until the pressure-sensitive adhesive sheet is used, and is peeled off during use.
  • the thickness of the pressure-sensitive adhesive layer is not particularly limited, and can be appropriately set according to the use, required performance, and the like.
  • the thickness of the pressure-sensitive adhesive layer is preferably set in the range of 10 ⁇ m to 50 ⁇ m.
  • the pressure-sensitive adhesive sheet of the present disclosure has an excellent blue light blocking function and has a superior pressure-sensitive adhesive strength reduction due to the inclusion of an ultraviolet absorber. Therefore, the pressure-sensitive adhesive sheet is suitably used, for example, as a display sheet. be able to.
  • the adhesive sheet of this indication may have functional layers, such as a hard-coat layer, for example.
  • the adhesive sheet of this indication is further excellent in the blocking
  • the adhesive sheet of this indication may have functional layers, such as a heat insulation layer, for example.
  • the pressure-sensitive adhesive sheet of the present disclosure By using the pressure-sensitive adhesive sheet of the present disclosure for application to an adherend having a polar group, the effect of improving the pressure-sensitive adhesive force is more remarkably exhibited.
  • the adherend having a polar group include glass, metal, metal oxide, inorganic oxide, epoxy resin, urethane resin, imide resin, and amide resin.
  • the polar group in which the sulfur atom of the ultraviolet absorber having a —S— structure and / or —SO 2 — structure in the molecule that is, the specific ultraviolet absorber
  • the adhesive strength of the pressure-sensitive adhesive layer may be improved because of the interaction with the pressure-sensitive adhesive layer.
  • the method for producing the pressure-sensitive adhesive sheet of the present disclosure is not particularly limited as long as the pressure-sensitive adhesive sheet of the present disclosure described above can be produced.
  • the pressure-sensitive adhesive sheet of the present disclosure can be produced, for example, by the following method.
  • the pressure-sensitive adhesive sheet of the present disclosure is formed by applying the pressure-sensitive adhesive composition to the release-treated surface of the release film and forming a coating film of the pressure-sensitive adhesive composition, and then forming the coating.
  • An adhesive layer can be formed and produced by drying the film. If necessary, another release film may be overlaid on the formed pressure-sensitive adhesive layer so that the release treatment surface is in contact therewith.
  • the pressure-sensitive adhesive sheet of the present disclosure is obtained by applying a pressure-sensitive adhesive composition to one side of a base material, forming a pressure-sensitive adhesive composition coating film, and then forming the formed coating film.
  • the pressure-sensitive adhesive layer can be formed and produced by drying. If necessary, a release film may be overlaid on the formed pressure-sensitive adhesive layer so that the release treatment surface is in contact therewith.
  • the method of applying the pressure-sensitive adhesive composition to the release film or the substrate is not particularly limited, and examples thereof include a blade coater, a gravure roll coater, a reverse roll coater, a kiss roll coater, a dip roll coater, a bar coater, a knife coater, and a spray.
  • a blade coater a gravure roll coater, a reverse roll coater, a kiss roll coater, a dip roll coater, a bar coater, a knife coater, and a spray.
  • the well-known coating method using a coater etc. is mentioned.
  • Example 1 to Example 39 By stirring and mixing the components constituting the pressure-sensitive adhesive composition described in Tables 1 to 3 below using a stirrer equipped with a stirring blade [Three-One Motor (registered trademark), Shinto Kagaku Co., Ltd.] A pressure-sensitive adhesive composition was obtained.
  • the numerical values described in the column of each component in Tables 1 to 4 indicate the content (unit: part by mass) of the component, and “-” means that the component is not contained.
  • the numerical values of the pressure-sensitive adhesive content in Tables 1 to 4 are solid content conversion values.
  • ⁇ Ultraviolet absorber> Compound 1 to compound 7 (compound 1 to compound 7 described above)
  • Compound 8 [trade name: Tinuvin 326, triazole ultraviolet absorber, BASF Japan Ltd.]
  • Compound 9 [trade name: Tinuvin 405, triazine ultraviolet absorber, BASF Japan Ltd.]
  • Compound 10 [trade name: Tinuvin 477, triazine ultraviolet absorber, BASF Japan Ltd.]
  • Compound 11 [hydroxymethoxybenzophenone sulfonic acid] ⁇ Solvent> ⁇ Methyl ethyl ketone (abbreviation: MEK)
  • an evaluation pressure-sensitive adhesive sheet was produced as follows. Blade coater on a polyethylene terephthalate (PET) film (trade name: Cosmo Shine (registered trademark) A4300, thickness: 100 ⁇ m, Toyobo Co., Ltd.) as a substrate so that the film thickness after drying is 20 ⁇ m. A pressure-sensitive adhesive composition was applied to form a coating film of the pressure-sensitive adhesive composition. Next, the formed coating film was dried at 120 ° C. for 120 seconds to obtain an evaluation pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer (thickness: 20 ⁇ m) on the substrate.
  • PET polyethylene terephthalate
  • Adhesive strength was measured in accordance with Japanese Industrial Standard JIS Z0237: 2009.
  • the evaluation pressure-sensitive adhesive sheet obtained above was cut into a size of 0.025 m ⁇ 0.1 m to prepare two pressure-sensitive adhesive sheet pieces for pressure-sensitive adhesive strength evaluation.
  • the prepared pressure-sensitive adhesive sheet for evaluating the adhesive strength one of them is an environment of 23 ° C. and 50% relative humidity using a dedicated rubber roll [product name: tape pressing roll (manual type), Imoto Seisakusho Co., Ltd.] Underneath, the pressure-sensitive adhesive layer was pressed and bonded to a glass plate (thickness: 10 mm) placed on a table with a load of 1 kg to prepare a test piece A.
  • the other sheet was used at 23 ° C. and relative humidity 50 using a dedicated rubber roll [product name: tape crimping roll (manual type), Imoto Seisakusho Co., Ltd.].
  • the pressure-sensitive adhesive layer was pressure-bonded and bonded to a SUS (stainless steel) 304 plate (thickness: 10 mm) placed on a table with a load of 1 kg to prepare a test piece B.
  • the adhesive strength (unit: N / 25 mm) when the adhesive strength evaluation adhesive sheet was peeled 180 ° in the long side (0.1 m) direction from the glass plate and the SUS304 plate, respectively.
  • the electric horizontal type digital force gauge stand [Product name: FGS-50XB, Nidec Symposium] with a digital force gauge [Product name: FGP-5, Nidec Symposium]
  • the substrate that is, PET film
  • the pressure-sensitive adhesive layer were combined and sandwiched between jigs, and the measurement was performed under the condition of a peeling rate of 100 mm / min.
  • the pressure-sensitive adhesive layer formed by the pressure-sensitive adhesive composition containing the ultraviolet absorber is used to determine how much the pressure-sensitive adhesive force of the pressure-sensitive adhesive layer is changed by the pressure-sensitive adhesive composition containing the ultraviolet absorber. It confirmed by comparing force and the adhesive force of the adhesive layer formed with the adhesive composition which does not contain a ultraviolet absorber.
  • Example 1 Example 5, Example 9, Example 13, Example 17, Example 21, Example 25, Examples 29 to 39, Comparative Example 1, Comparative Example 5, Comparative Example 9, And the change (unit: N / 25mm) of the adhesive force by the ultraviolet absorber of each adhesive layer formed with the adhesive composition of Comparative Example 13 is the adhesive layer formed with the adhesive composition of Reference Example 1.
  • Example 2 Example 6, Example 10, Example 14, Example 18, Example 22, Example 26, Comparative Example 2, Comparative Example 6, Comparative Example 10, and Comparative Example 14
  • the change in the adhesive strength (unit: N / 25 mm) of each formed adhesive layer by the ultraviolet absorber was calculated based on the adhesive strength of the adhesive layer formed by the adhesive composition of Reference Example 2.
  • the change (unit: N / 25 mm) of the adhesive strength of each formed adhesive layer by the ultraviolet absorber was calculated based on the adhesive strength of the adhesive layer formed by the adhesive composition of Reference Example 3.
  • the change (unit: N / 25 mm) of the adhesive strength of each formed adhesive layer by the ultraviolet absorber was calculated based on the adhesive strength of the adhesive layer formed by the adhesive composition of Reference Example 4.
  • a positive value for the change in adhesive strength means that the adhesive strength of the adhesive layer has been improved by the UV absorber, and a negative value for the change in adhesive strength means that the UV absorption It means that the adhesive strength of the pressure-sensitive adhesive layer was lowered by the agent.
  • the results are shown in Tables 5-8.
  • the integral value of the spectrum area in the adhesive sheet (that is, the adhesive sheet piece for optical property evaluation of Examples and Comparative Examples) having an adhesive layer formed of an adhesive composition containing an ultraviolet absorber
  • From the integral value of the spectrum area in the pressure-sensitive adhesive sheet (that is, the pressure-sensitive adhesive sheet piece for optical property evaluation of the reference example) having a pressure-sensitive adhesive layer formed by a pressure-sensitive adhesive composition not containing the UV, it was decreased by including the ultraviolet absorber.
  • the ratio of the integral value of the spectral area (that is, the ultraviolet blocking rate) was calculated, and the ultraviolet blocking function of the adhesive layer was evaluated.
  • the evaluation criteria are shown below. In the following evaluation criteria, “S” indicates the most excellent ultraviolet blocking function, and if “S” or “A”, there is no practical problem.
  • the ultraviolet blocking rate is 70% or more.
  • Blue light blocking rate based on ISO 12312-1: 2013 standard is 50% or more.
  • the prepared pressure-sensitive adhesive sheet piece for optical property evaluation was placed on white paper.
  • the pressure-sensitive adhesive sheet piece for optical property evaluation on paper was visually observed, and whether or not the pressure-sensitive adhesive sheet piece for optical property evaluation had a yellowish color was evaluated according to the following evaluation criteria.
  • the pressure-sensitive adhesive compositions of Examples 1 to 39 including pressure-sensitive adhesives and ultraviolet absorbers having at least one of —S— and —SO 2 — structures in the molecule.
  • the pressure-sensitive adhesive layer formed of the product had a function of blocking ultraviolet rays and blue light, and was excellent in adhesive strength. Further, it is clear that the adhesive layers formed from the adhesive compositions of Examples 1 to 39 are improved in adhesive strength by containing an ultraviolet absorber in comparison with Reference Examples 1 to 4. It became.
  • a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive compositions of Comparative Examples 1 to 16 containing a pressure-sensitive adhesive and an ultraviolet absorber having neither of the structures of —S— or —SO 2 — in the molecule Although it has an ultraviolet blocking function, it has been observed that the adhesive strength tends to decrease when it contains an ultraviolet absorber.
  • a PET film (trade name: KB film N10, thickness: 100 ⁇ m, Kimoto Co., Ltd.) having a hard coat layer on one side was prepared.
  • the pressure-sensitive adhesive composition of Example 1 was applied using a blade coater so that the film thickness after drying was 20 ⁇ m.
  • the coating film was formed.
  • the formed coating film was dried at 120 ° C. for 120 seconds to prepare a pressure-sensitive adhesive sheet (that is, a pressure-sensitive adhesive sheet for display sheet) as a display sheet having a pressure-sensitive adhesive layer having a thickness of 20 ⁇ m.
  • the produced pressure-sensitive adhesive sheet for display sheet had a function of blocking ultraviolet light and blue light, and was excellent in adhesive strength.
  • a PET film (thickness: 100 ⁇ m) having a heat insulating layer containing silver nanowires described in paragraph [0117] of JP-A-2016-33629 was prepared.
  • the pressure-sensitive adhesive composition of Example 1 was applied to the surface of the PET film opposite to the heat insulating layer using a blade coater so that the film thickness after drying was 20 ⁇ m.
  • a coating film was formed.
  • the formed coating film was dried at 120 ° C. for 120 seconds to prepare a pressure-sensitive adhesive sheet (that is, a pressure-sensitive adhesive sheet for window film) as a window film having a pressure-sensitive adhesive layer having a thickness of 20 ⁇ m.
  • the produced adhesive sheet for window films had a function of blocking ultraviolet light and blue light, and was excellent in adhesive strength.

Landscapes

  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une composition adhésive sensible à la pression qui comprend un adhésif sensible à la pression et un absorbeur d'ultraviolets ayant la structure – S- et/ou la structure – SO2- dans la molécule ; et une feuille adhésive sensible à la pression comprenant une couche adhésive sensible à la pression comprenant la composition adhésive sensible à la pression.
PCT/JP2018/010632 2017-03-21 2018-03-16 Composition adhésive sensible à la pression et feuille adhésive sensible à la pression WO2018173979A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019507647A JPWO2018173979A1 (ja) 2017-03-21 2018-03-16 粘着剤組成物及び粘着シート

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017054562 2017-03-21
JP2017-054562 2017-03-21

Publications (1)

Publication Number Publication Date
WO2018173979A1 true WO2018173979A1 (fr) 2018-09-27

Family

ID=63586507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/010632 WO2018173979A1 (fr) 2017-03-21 2018-03-16 Composition adhésive sensible à la pression et feuille adhésive sensible à la pression

Country Status (2)

Country Link
JP (1) JPWO2018173979A1 (fr)
WO (1) WO2018173979A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020261886A1 (fr) * 2019-06-28 2020-12-30
WO2021006097A1 (fr) * 2019-07-09 2021-01-14 富士フイルム株式会社 Feuille adhésive, corps multicouche, dispositif d'affichage et dispositif d'affichage électroluminescent organique

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002543265A (ja) * 1999-05-03 2002-12-17 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 高溶解性、高吸光性、光安定ヒドロキシフェニル−ｓ−トリアジン紫外線吸収剤を含む安定化された接着剤組成物およびそれらから得られる積層品
JP2002543266A (ja) * 1999-05-03 2002-12-17 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 高度に溶解性で、レッド−シフトされた、光安定なベンゾトリアゾール紫外線吸収剤を含む安定化された接着剤組成物及びそれから誘導された積層物品
JP2006307151A (ja) * 2005-03-31 2006-11-09 Emulsion Technology Co Ltd 紫外線硬化型紫外線遮蔽性樹脂組成物
JP2007284516A (ja) * 2006-04-14 2007-11-01 Toyo Ink Mfg Co Ltd 紫外線遮断性樹脂組成物及びその利用
JP2009263617A (ja) * 2008-03-31 2009-11-12 Fujifilm Corp 紫外線吸収材料
JP2009270062A (ja) * 2008-05-09 2009-11-19 Fujifilm Corp 紫外線吸収剤組成物
JP2010083980A (ja) * 2008-09-30 2010-04-15 Fujifilm Corp 固体高分子材料
JP2010180288A (ja) * 2009-02-03 2010-08-19 Fujifilm Corp 紫外線吸収剤組成物
JP2011074147A (ja) * 2009-09-29 2011-04-14 Dainippon Printing Co Ltd 光線吸収剤及び光線吸収部材
WO2012039508A1 (fr) * 2010-09-24 2012-03-29 株式会社林原生物化学研究所 Composé de pyrrolopyridine et son utilisation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002543265A (ja) * 1999-05-03 2002-12-17 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 高溶解性、高吸光性、光安定ヒドロキシフェニル−ｓ−トリアジン紫外線吸収剤を含む安定化された接着剤組成物およびそれらから得られる積層品
JP2002543266A (ja) * 1999-05-03 2002-12-17 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 高度に溶解性で、レッド−シフトされた、光安定なベンゾトリアゾール紫外線吸収剤を含む安定化された接着剤組成物及びそれから誘導された積層物品
JP2006307151A (ja) * 2005-03-31 2006-11-09 Emulsion Technology Co Ltd 紫外線硬化型紫外線遮蔽性樹脂組成物
JP2007284516A (ja) * 2006-04-14 2007-11-01 Toyo Ink Mfg Co Ltd 紫外線遮断性樹脂組成物及びその利用
JP2009263617A (ja) * 2008-03-31 2009-11-12 Fujifilm Corp 紫外線吸収材料
JP2009270062A (ja) * 2008-05-09 2009-11-19 Fujifilm Corp 紫外線吸収剤組成物
JP2010083980A (ja) * 2008-09-30 2010-04-15 Fujifilm Corp 固体高分子材料
JP2010180288A (ja) * 2009-02-03 2010-08-19 Fujifilm Corp 紫外線吸収剤組成物
JP2011074147A (ja) * 2009-09-29 2011-04-14 Dainippon Printing Co Ltd 光線吸収剤及び光線吸収部材
WO2012039508A1 (fr) * 2010-09-24 2012-03-29 株式会社林原生物化学研究所 Composé de pyrrolopyridine et son utilisation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020261886A1 (fr) * 2019-06-28 2020-12-30
WO2020261886A1 (fr) * 2019-06-28 2020-12-30 富士フイルム株式会社 Absorbeur de rayons ultraviolets, composition absorbant les rayons ultraviolets, film, stratifié et nouveau composé absorbant les rayons ultraviolets
CN113993856A (zh) * 2019-06-28 2022-01-28 富士胶片株式会社 紫外线吸收剂、紫外线吸收组合物、紫外线吸收膜、层叠体及新型化合物
JP7279162B2 (ja) 2019-06-28 2023-05-22 富士フイルム株式会社 紫外線吸収剤、紫外線吸収組成物、紫外線吸収膜、積層体及び新規化合物
US12173188B2 (en) 2019-06-28 2024-12-24 Fujifilm Corporation Ultraviolet absorbing agent, ultraviolet absorbing composition, ultraviolet absorbing film, laminate, and novel compound
WO2021006097A1 (fr) * 2019-07-09 2021-01-14 富士フイルム株式会社 Feuille adhésive, corps multicouche, dispositif d'affichage et dispositif d'affichage électroluminescent organique
JPWO2021006097A1 (fr) * 2019-07-09 2021-01-14
KR20220016186A (ko) * 2019-07-09 2022-02-08 후지필름 가부시키가이샤 점착제 시트, 적층체, 표시 장치, 유기 일렉트로 루미네선스 표시 장치
CN114096632A (zh) * 2019-07-09 2022-02-25 富士胶片株式会社 粘合剂片、层叠体、显示装置及有机电致发光显示装置
JP7291786B2 (ja) 2019-07-09 2023-06-15 富士フイルム株式会社 粘着剤シート、積層体、表示装置、有機エレクトロルミネッセンス表示装置
CN114096632B (zh) * 2019-07-09 2023-06-27 富士胶片株式会社 粘合剂片、层叠体、显示装置及有机电致发光显示装置
KR102594786B1 (ko) * 2019-07-09 2023-10-26 후지필름 가부시키가이샤 점착제 시트, 적층체, 표시 장치, 유기 일렉트로 루미네선스 표시 장치

Also Published As

Publication number Publication date
JPWO2018173979A1 (ja) 2019-11-07

Similar Documents

Publication Publication Date Title
JP6683766B2 (ja) 両面粘着シート
JP7071786B2 (ja) 積層樹脂フィルムおよびその製造方法、積層光学フィルム、画像表示装置ならびに易接着処理樹脂フィルム
KR102216238B1 (ko) 양면 점착제층이 형성된 편광 필름 및 화상 표시 장치
CN105820763B (zh) 光学用粘合片
JP6940927B2 (ja) 両面粘着剤層付偏光フィルムおよび画像表示装置
JP7334441B2 (ja) 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
JP6762079B2 (ja) 光学用粘着シート
US20120189835A1 (en) Optical pressure-sensitive adhesive sheet
TW201243015A (en) Optical film with pressure sensitive adhesive and optical laminate using the same
CA2933071C (fr) Composition adhesive sensible a la pression
KR20200092965A (ko) 점착제층 형성 편광 필름, 및 액정 표시 장치
JP2012512267A (ja) 感圧接着剤
KR20190019922A (ko) 양면 점착제층 부착 편광 필름 및 화상 표시 장치
JP7055306B2 (ja) 光学積層体
JP2021140160A (ja) 両面粘着剤層付偏光フィルムおよび画像表示装置
WO2018173979A1 (fr) Composition adhésive sensible à la pression et feuille adhésive sensible à la pression
JP2018013769A (ja) 粘着層付き偏光フィルムおよび該粘着層付き偏光フィルムの製造方法
US20160215181A1 (en) Optical pressure-sensitive adhesive sheet
JP2023081331A (ja) 粘着剤層および／または接着剤層
US20230227699A1 (en) Method for producing pressure-sensitive adhesive sheet, and pressure-sensitive adhesive sheet
US20170152412A1 (en) Pressure-sensitive adhesive sheet and release film-supported pressure-sensitive adhesive sheet
JP6870909B2 (ja) 偏光フィルム用硬化型接着剤組成物、偏光フィルムおよびその製造方法、光学フィルムならびに画像表示装置
TWI415918B (zh) Adhesive composition for optical film protective sheet and protective film for optical film
JP2014088533A (ja) 粘着剤組成物およびそれを用いた粘着シート
JP6781818B2 (ja) 光学機能層付光学部材

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: 18772669

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019507647

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18772669

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载