CN113474693B - Laminate body - Google Patents
Laminate body Download PDFInfo
- Publication number
- CN113474693B CN113474693B CN202080015778.3A CN202080015778A CN113474693B CN 113474693 B CN113474693 B CN 113474693B CN 202080015778 A CN202080015778 A CN 202080015778A CN 113474693 B CN113474693 B CN 113474693B
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- Prior art keywords
- adhesive
- adhesive layer
- layer
- meth
- mass
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 239000000853 adhesive Substances 0.000 claims abstract description 222
- 230000001070 adhesive effect Effects 0.000 claims abstract description 222
- 239000000203 mixture Substances 0.000 claims abstract description 179
- 239000012790 adhesive layer Substances 0.000 claims abstract description 160
- 239000010410 layer Substances 0.000 claims abstract description 155
- 230000014509 gene expression Effects 0.000 claims abstract description 16
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- 125000000524 functional group Chemical group 0.000 claims description 19
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- IBDVWXAVKPRHCU-UHFFFAOYSA-N 2-(2-methylprop-2-enoyloxy)ethyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OCCOC(=O)C(C)=C IBDVWXAVKPRHCU-UHFFFAOYSA-N 0.000 description 4
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- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical class O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 3
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 description 3
- LVGFPWDANALGOY-UHFFFAOYSA-N 8-methylnonyl prop-2-enoate Chemical compound CC(C)CCCCCCCOC(=O)C=C LVGFPWDANALGOY-UHFFFAOYSA-N 0.000 description 3
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 3
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
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- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
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- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- KEROTHRUZYBWCY-UHFFFAOYSA-N tridecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCOC(=O)C(C)=C KEROTHRUZYBWCY-UHFFFAOYSA-N 0.000 description 1
- XOALFFJGWSCQEO-UHFFFAOYSA-N tridecyl prop-2-enoate Chemical compound CCCCCCCCCCCCCOC(=O)C=C XOALFFJGWSCQEO-UHFFFAOYSA-N 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Polarising Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The purpose of the present invention is to provide a laminate which can suppress the generation of bubbles and has excellent adhesion even when repeatedly bent outside the front panel side. The present invention provides a laminate comprising, in order, a front panel, a 1 st adhesive layer formed using a 1 st adhesive composition, a polarizer layer, a 2 nd adhesive layer formed using a 2 nd adhesive composition, and a back panel; when the shear elastic modulus at 25℃of the 1 st adhesive layer is G1[ Pa ] and the shear elastic modulus at 25℃of the 2 nd adhesive layer is G2[ Pa ], the following relational expression (1) is satisfied: g1 Not less than G2 (1); the gel fraction of the 1 st adhesive layer and the 2 nd adhesive is 45-85%.
Description
Technical Field
The present invention relates to a laminate.
Background
JP-A2018-28573 (patent document 1) discloses a laminate for a flexible image display device having a plurality of adhesive layers.
Prior art literature
Patent literature
Patent document 1 Japanese patent application laid-open No. 2018-28573
Disclosure of Invention
In a display device including a laminate having a front panel and a plurality of adhesive layers, when the front panel side is bent inward, air bubbles may be generated in the adhesive layers in the laminate. In addition, the adhesive force of the adhesive layer is weak under a high-temperature environment, and floating or peeling may occur between the adhesive layer and the adherend.
The purpose of the present invention is to provide a laminate which can suppress the generation of bubbles and has excellent adhesion even when repeatedly bent outside the front panel side.
The present invention provides the following laminate, adhesive composition and adhesive sheet.
[ 1 ] A laminate comprising, in order: a front panel, a 1 st adhesive layer formed using the 1 st adhesive composition, a polarizer layer, a 2 nd adhesive layer formed using the 2 nd adhesive composition, and a back panel;
when the shear elastic modulus of the 1 st adhesive layer at 25℃is G1[ Pa ] and the shear elastic modulus of the 2 nd adhesive layer at 25℃is G2[ Pa ], the following relational expression (1) is satisfied:
G1≥G2 (1)；
the gel fraction of the 1 st adhesive layer and the 2 nd adhesive layer is 45% to 85%.
The laminate according to [ 2 ], wherein the 1 st adhesive composition and the 2 nd adhesive composition each contain a (meth) acrylic polymer,
in the (meth) acrylic polymer, the structural unit derived from the monomer having a reactive functional group is less than 5% by mass based on the total mass.
The laminate according to [ 1 ] or [ 2 ], wherein the 1 st adhesive layer and the 2 nd adhesive layer each contain a (meth) acrylic polymer,
The weight average molecular weight (Mw) of the (meth) acrylic polymer is 20 to 150 tens of thousands.
The laminate according to any one of [ 1 ] to [ 3 ], wherein the back plate is a touch sensor panel.
A display device comprising the laminate of any one of [ 1 ] to [ 4 ].
The display device according to [ 6 ] of [ 5 ], which can be bent with the front panel side as the outside.
According to the present invention, it is possible to provide a laminate which can suppress the generation of bubbles and is excellent in adhesion even when repeatedly bent with the front panel side being the outer side.
Drawings
Fig. 1 is a schematic cross-sectional view showing an example of a laminate according to the present invention.
Fig. 2 is a schematic cross-sectional view showing an example of a laminate according to the present invention.
Fig. 3 is a schematic diagram illustrating a method of a bending test.
Fig. 4 is a cross-sectional view schematically showing a method for producing a laminate of the present invention.
Detailed Description
Hereinafter, a laminate according to an embodiment of the present invention (hereinafter, simply referred to as "laminate") will be described with reference to the drawings.
< laminate >
Fig. 1 is a schematic cross-sectional view of a laminate according to an embodiment of the present invention. The laminate 100 includes a front plate 101, a 1 st adhesive layer 102, a polarizer layer 103, a 2 nd adhesive layer 104, and a back plate 105 in this order. The 1 st adhesive layer 102 is formed of the 1 st adhesive composition, and the 2 nd adhesive layer 104 is formed of the 2 nd adhesive composition. Hereinafter, the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 are also collectively referred to as an adhesive layer.
The thickness of the laminate 100 is not particularly limited, and is, for example, 50 μm to 4000 μm, preferably 100 μm to 2000 μm, and more preferably 150 μm to 1000 μm, because it varies depending on the function required for the laminate, the use of the laminate, and the like.
The planar view of the laminate 100 may be, for example, a square, preferably a square having long sides and short sides, and more preferably a rectangle. When the laminate 100 has a rectangular shape in the plane direction, the length of the long side may be, for example, 10mm to 1400mm, and preferably 50mm to 600mm. The length of the short side may be, for example, 5mm to 800mm, preferably 30mm to 500mm, more preferably 50mm to 300mm. In each layer constituting the laminate, corner portions may be rounded (R-angle) and end portions may be notched or perforated.
The laminate 100 can be used for a display device or the like, for example. The display device is not particularly limited, and examples thereof include an organic electroluminescence (organic EL) display device, an inorganic electroluminescence (inorganic EL) display device, a liquid crystal display device, and an electroluminescent display device. The display device may have a touch panel function.
[ physical Properties of adhesive layer ]
In the laminate 100, when the shear elastic modulus of the 1 st adhesive layer 102 at 25 ℃ is G1[ Pa ] and the shear elastic modulus of the 2 nd adhesive layer 104 at 25 ℃ is G2[ Pa ], the following relational expression (1) is satisfied:
G1≥G2 (1)
More preferably, the following relational expression (1') is satisfied:
G1＞G2 (1')。
as for whether the relation (1) or (1') is satisfied, there is a judgment method as follows:
i) A method for judging based on each value of G1 and G2,
ii) a method of making a judgment based on other combinations of the same magnitude relation as the combination of G1 and G2.
For other combinations of ii) above, for example, in the case where the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 have the same thickness, the judgment can be made by comparing the 1 st reference adhesive layer formed of the 1 st adhesive composition with the 2 nd reference adhesive layer formed of the 2 nd adhesive composition. The shear modulus of elasticity G at a temperature of 25℃at the 1 st reference adhesive layer, provided that the 1 st reference adhesive layer and the 2 nd reference adhesive layer are the same thickness 0 1[Pa]And a shear elastic modulus G at 25 ℃ for the 2 nd reference adhesive layer 0 2[Pa]Satisfies the following relation (1 a):
G 0 1≥G 0 2 (1a)
in the case (a), the following relational expression (1' a) is satisfied when the relational expression (1) is satisfied:
G 0 1＞G 0 2 (1'a)
in the case of (2), it can be considered that the relational expression (1') is satisfied. The shear modulus of elasticity G at 25℃for the 1 st reference adhesive layer and the 2 nd reference adhesive layer having a thickness of 150 μm 0 1、G 0 2 can be measured according to the measurement method described in the example column below.
The gel fraction of the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 is 45% to 85%, preferably 50% to 80%. The gel fraction of the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 can be measured by the measurement method described in the column of example.
The laminate 100 may be bent with the front panel 101 side as the outer side. In a display device including a laminate, if the laminate is repeatedly bent with the front panel side as the outside, air bubbles may be generated in the adhesive layer. Such generation of bubbles is particularly remarkable in the adhesive layer on the side away from the front panel, that is, in the 2 nd adhesive layer 104 in the laminate 100. As a result of the study by the present inventors, it was found that: when the shear elastic modulus of the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 satisfy the relation (1) and the respective gel fractions are 45% to 85%, the occurrence of air bubbles in the adhesive layers in the laminate 100 can be suppressed even if the laminate is repeatedly bent with the front panel 101 side being the outer side. More specifically, it was found that: even if the bending is repeated 2 ten thousand times so that the bending radius of the inner surface of the laminate 100 is 3mm, the generation of bubbles in the adhesive layer in the laminate 100 can be suppressed (hereinafter, also referred to as having excellent "normal temperature bendability"). The room temperature bendability can be evaluated by the evaluation method described in the example column. The laminate 100 may be bent inward from the front panel side. The display device to which the laminate 100 is applied can be used as a flexible display that can be bent, rolled, or the like. In the present specification, the bending includes a bending form in which a curved surface is formed in a bending portion, and a bending radius of an inner surface of the bending is not particularly limited. In addition, the bending also includes bending in which the bending angle of the inner surface is greater than 0 degrees and less than 180 degrees and folding in which the bending radius of the inner surface is approximately zero or the bending angle of the inner surface is 0 degrees.
If the shear elastic modulus of the 1 st reference adhesive layer having a thickness of 150 μm at a temperature of 25℃is set to G 0 1[Pa]And the shear modulus of elasticity at 25℃of the 2 nd reference adhesive layer having a thickness of 150 μm was set to G 0 2[Pa]In this case, the following relational expressions (2) and (3) are preferably satisfied:
1.0×10 4 ≤G 0 1≤5.0×10 5 (2)
1.0×10 4 ≤G 0 2≤5.0×10 5 (3)，
more preferably, the following relational expressions (2 a) and (3 a) are satisfied:
2.0×10 4 ≤G 0 1≤2.0×10 5 (2a)
2.0×10 4 ≤G 0 2≤2.0×10 5 (3a)，
it is further preferable that the following relational expressions (2 b) and (3 b) are satisfied:
3.0×10 4 ≤G 0 1≤1.0×10 5 (2b)
2.0×10 4 ≤G 0 2≤7.0×10 4 (3b)。
examples of the method for producing the 1 st adhesive composition and the 2 nd adhesive composition such that the shear elastic modulus of the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 satisfy the relation (1) and the respective gel fractions are 45% to 85%, include: the pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition A described later, and the type of monomer constituting a (meth) acrylic polymer A described later is changed, the molecular weight of the (meth) acrylic polymer A is controlled, or a compound having an acetoacetoxyethyl group is contained.
[ adhesive composition ]
In one embodiment, the 1 st adhesive layer 102 and the 2 nd adhesive layer 104 are formed of an adhesive composition (hereinafter referred to as an adhesive composition a) containing a (meth) acrylic polymer. The adhesive composition a may be an active energy ray-curable type or a thermosetting type. In the present specification, "a" (meth) acrylic polymer "means at least 1 selected from the group consisting of an acrylic polymer and a methacrylic polymer. The same applies to other expressions with "(methyl)". In the case where the 1 st adhesive composition and the 2 nd adhesive composition each contain a (meth) acrylic polymer, the (meth) acrylic polymers may be the same or different. Hereinafter, the (meth) acrylic polymer contained in the adhesive composition a is referred to as a (meth) acrylic polymer a.
The weight average molecular weight (Mw) of the (meth) acrylic polymer a is preferably 20 to 150 tens of thousands, more preferably 30 to 120 tens of thousands, from the viewpoint of easily satisfying the relation (2) or the relation (3) in the obtained adhesive layer.
In the (meth) acrylic polymer a, the structural unit derived from the monomer having a reactive functional group is preferably less than 5% by mass based on the total mass of the polymer. Examples of the reactive functional group include a hydroxyl group, a carboxyl group, an amino group, an amide group, and an epoxy group, and thus the flexibility of the pressure-sensitive adhesive layer is improved and the generation of bubbles in the pressure-sensitive adhesive layer tends to be easily suppressed. In the (meth) acrylic polymer a, the structural unit derived from the monomer having a reactive functional group is more preferably 0.01 mass% or less based on the total mass of the polymer, even more preferably no structural unit derived from the monomer having a reactive functional group, still more preferably no hydroxyl group, carboxyl group, amino group, amide group and epoxy group, from the viewpoint of bubble suppression at the time of bending.
(1) Active energy ray-curable adhesive composition
When the adhesive composition a is an active energy ray-curable adhesive composition, the (meth) acrylic polymer a contained in the adhesive composition a may contain a structural unit derived from a (meth) acrylic monomer having a linear or branched alkyl group having 1 to 24 carbon atoms. Examples of the (meth) acrylic monomer having a linear or branched alkyl group having 1 to 24 carbon atoms include alkyl (meth) acrylate, and examples thereof include butyl (meth) acrylate, methyl (meth) acrylate, ethyl (meth) acrylate, hexyl (meth) acrylate, octyl (meth) acrylate, lauryl (meth) acrylate, isooctyl (meth) acrylate, isodecyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, and isobornyl (meth) acrylate. The (meth) acrylic polymer a may be a polymer or copolymer containing 1 or 2 or more of the above alkyl (meth) acrylates as monomers. The content of the (meth) acrylic polymer a in the adhesive composition a is, for example, 50 to 100% by mass, preferably 80 to 99.5% by mass, and more preferably 90 to 99% by mass, based on 100 parts by mass of the solid content of the adhesive composition a.
The weight average molecular weight (Mw) of the (meth) acrylic polymer a may be, for example, 20 to 80 tens of thousands, and is preferably 30 to 70 tens of thousands from the viewpoint of suppressing bubbles at the time of bending. The weight average molecular weight (Mw) can be measured by the measurement method described in the column of examples described below.
The adhesive composition a may contain 1 or 2 or more (meth) acrylic polymers a. The adhesive composition a may contain only the (meth) acrylic polymer a as a constituent component thereof, or may further contain a crosslinking agent. Examples of the crosslinking agent include: a metal ion having a valence of 2 or more and forming a metal carboxylate with the carboxyl group; a polyamine compound and a substance forming an amide bond with a carboxyl group; a substance which is a polyepoxide or a polyhydric alcohol and forms an ester bond with a carboxyl group; and substances which form an amide bond with the carboxyl group in the polyisocyanate compound. Among them, polyisocyanate compounds are preferable. When the adhesive composition a contains a crosslinking agent, the content of the crosslinking agent may be, for example, 5 parts by mass or less, preferably 1 part by mass or less, more preferably 0.5 parts by mass or less, still more preferably 0.1 part by mass or less, relative to 100 parts by mass of the (meth) acrylic polymer a, and the adhesive composition a most preferably contains no crosslinking agent.
The active energy ray-curable adhesive composition is an adhesive composition which has a property of being cured by irradiation with active energy rays such as ultraviolet rays and electron beams, and has a property of having adhesiveness to an adherend such as a film even before irradiation with active energy rays and being cured by irradiation with active energy rays, thereby adjusting an adhesion force and the like.
The active energy ray-curable adhesive composition is preferably an ultraviolet ray-curable adhesive composition.
In the case where the adhesive composition a is an active energy ray-curable adhesive composition, the adhesive composition a may further contain an active energy ray-polymerizable compound, a photopolymerization initiator, a photosensitizer, and the like.
Examples of the active energy ray-polymerizable compound include (meth) acrylate monomers having at least 1 (meth) acryloyloxy group in the molecule; (meth) acrylic compounds such as (meth) acryloyloxy group-containing compounds, such as (meth) acrylate oligomers having at least 2 (meth) acryloyloxy groups in the molecule, obtained by reacting 2 or more functional group-containing compounds. The adhesive composition a may contain 0.1 to 10 parts by mass of the active energy ray-polymerizable compound per 100 parts by mass of the solid content of the adhesive composition a.
Examples of the photopolymerization initiator include diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide, benzyl dimethyl ketal, and 1-hydroxycyclohexyl phenyl ketone. When the adhesive composition a contains a photopolymerization initiator, 1 or 2 or more kinds may be contained. If the adhesive composition a contains a photopolymerization initiator, for example, the total content of the photopolymerization initiator may be 0.01 to 1.0 parts by mass with respect to 100 parts by mass of the solid content of the adhesive composition a.
The adhesive composition a preferably contains a compound having acetoacetoxyethyl group.
Preferably: at least one of the 1 st adhesive composition and the 2 nd adhesive composition is an adhesive composition a comprising a compound having acetoacetoxyethyl group. By using the adhesive composition a containing a compound having acetoacetoxyethyl group, the 1 st reference adhesive layer and the 2 nd reference adhesive layer satisfying the above-described relational expressions (2), (3) can be easily formed. In addition, by using the adhesive composition a containing a compound having acetoacetoxyethyl group, an adhesive layer having a gel fraction of 45% to 85% or less can be easily formed. The adhesive composition a may contain, for example, 0.01 to 20 parts by mass, preferably 0.1 to 10 parts by mass, and more preferably 0.1 to 8 parts by mass of a compound having acetoacetoxyethyl group in 100 parts by mass of the solid content of the adhesive composition a.
The compound having acetoacetoxyethyl group is not particularly limited, and a compound represented by the following formula can be exemplified.
In the above formula, R 1 Is hydrogen or methyl.
The adhesive composition a may contain fine particles for imparting light scattering properties, beads (resin beads, glass beads, etc.), glass fibers, resins other than the base polymer, an adhesion imparting agent, a filler (metal powder, other inorganic powder, etc.), an antioxidant, an ultraviolet absorber, a dye, a pigment, a colorant, a defoaming agent, an anticorrosive agent, and other additives. From the viewpoint of preventing the durability from being lowered by the residual solvent, the adhesive composition a preferably contains no organic solvent.
In the case where the adhesive layer is formed of the adhesive composition a, the adhesive layer may be formed by coating the adhesive composition a on the substrate. When the active energy ray-curable adhesive composition is used, a cured product having a desired degree of cure can be produced by irradiating the formed adhesive layer with active energy rays.
(2) Heat-curable adhesive composition
When the adhesive composition a is a thermosetting adhesive composition, the monomer unit constituting the polymer in the (meth) acrylic polymer a preferably contains an alkyl (meth) acrylate having 2 to 20 carbon atoms as an alkyl group and a monomer having a reactive functional group in the molecule (a reactive functional group-containing monomer).
In the (meth) acrylic polymer a, an alkyl (meth) acrylate having an alkyl group with 2 to 20 carbon atoms is used as a monomer unit constituting the polymer, and thus preferable adhesion can be exhibited. The alkyl (meth) acrylate having 2 to 20 carbon atoms as the alkyl group is preferably an alkyl (meth) acrylate having a glass transition temperature (Tg) of-40 ℃ or lower (hereinafter, also referred to as "low Tg alkyl acrylate") as a homopolymer. By containing such a low Tg alkyl acrylate as a constituent monomer unit, the flexibility of the adhesive layer is improved, and the occurrence of bubbles during bending tends to be easily suppressed.
Examples of the low Tg alkyl acrylate include n-butyl acrylate (Tg-55deg.C), n-octyl acrylate (Tg-65deg.C), isooctyl acrylate (Tg-58deg.C), 2-ethylhexyl acrylate (Tg-70deg.C), isononyl acrylate (Tg-58deg.C), isodecyl acrylate (Tg-60deg.C), isodecyl methacrylate (Tg-41 deg.C), n-lauryl methacrylate (Tg-65deg.C), tridecyl acrylate (Tg-55deg.C), and tridecyl methacrylate (-40 deg.C). Among them, from the viewpoint of easy satisfaction of the relation (2) or the relation (3), the low Tg alkyl acrylate is more preferably a homopolymer having a Tg of-45 ℃ or less, particularly preferably-50 ℃ or less. In particular, n-butyl acrylate and 2-ethylhexyl acrylate are particularly preferred. These may be used alone or in combination of 2 or more.
The (meth) acrylic polymer a preferably contains 85 mass% or more of a low Tg alkyl acrylate, more preferably 90 mass% or more, and still more preferably 95 mass% or more as a lower limit of monomer units constituting the polymer.
If the content is within this range, the obtained pressure-sensitive adhesive layer easily satisfies the relationship (2) or (3).
The upper limit of the monomer unit constituting the (meth) acrylic polymer a is preferably 99.9 mass% or less, more preferably 99.5 mass% or less, and still more preferably 99 mass% or less of the low Tg alkyl acrylate. By containing 99.9 mass% or less of the low Tg alkyl acrylate, a preferable amount of other monomer components (particularly, a reactive functional group-containing monomer) can be introduced into the (meth) acrylic polymer a.
In order to easily set the glass transition temperature (Tg) of the main polymer of the adhesive according to the present embodiment in the above range, the content of the monomer (hereinafter, also referred to as "hard monomer") having a glass transition temperature (Tg) of more than 0 ℃ as a homopolymer in the (meth) acrylic polymer a is preferably as small as possible. Specifically, the content of the hard monomer in the (meth) acrylic polymer a is preferably 15 mass% or less, more preferably 10 mass% or less, and even more preferably 5 mass% or less, as the upper limit of the monomer units constituting the polymer. The hard monomer also includes a reactive functional group-containing monomer described later.
Examples of the hard monomer include acrylic monomers such as methyl acrylate (Tg 10 ℃), methyl methacrylate (Tg 105 ℃), ethyl methacrylate (Tg 65 ℃), n-butyl methacrylate (Tg 20 ℃), isobutyl methacrylate (Tg 48 ℃), t-butyl methacrylate (Tg 107 ℃), n-stearyl acrylate (Tg 30 ℃), n-stearyl methacrylate (Tg 38 ℃), cyclohexyl acrylate (Tg 15 ℃), cyclohexyl methacrylate (Tg 66 ℃), phenoxyethyl acrylate (Tg 5 ℃), phenoxyethyl methacrylate (Tg 54 ℃), benzyl methacrylate (Tg 54 ℃), isobornyl acrylate (Tg 94 ℃), isobornyl methacrylate (Tg 180 ℃), acryloylmorpholine (Tg 145 ℃), adamantyl acrylate (Tg 115 ℃), adamantyl methacrylate (Tg 141 ℃), acrylic acid (Tg 103 ℃), dimethylacrylamide (Tg 89 ℃), acrylamide (Tg 165 ℃), vinyl acetate (Tg 32 ℃), styrene (Tg 80 ℃), and the like.
The (meth) acrylic polymer a contains a reactive functional group-containing monomer as a monomer unit constituting the polymer, and reacts with a thermal crosslinking agent described later through a reactive functional group derived from the reactive functional group-containing monomer to form a crosslinked structure (three-dimensional network structure), thereby obtaining an adhesive having a desired cohesive force.
The reactive functional group-containing monomer contained in the (meth) acrylic polymer a as the monomer unit constituting the polymer is preferably a monomer having a hydroxyl group in the molecule (hydroxyl group-containing monomer), a monomer having a carboxyl group in the molecule (carboxyl group-containing monomer), a monomer having an amino group in the molecule (amino group-containing monomer), or the like. Among them, hydroxyl group-containing monomers are particularly preferable because most of them have a glass transition temperature (Tg) of 0 ℃ or less.
Examples of the hydroxyl group-containing monomer include hydroxyalkyl (meth) acrylates such as 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 3-hydroxybutyl (meth) acrylate, and 4-hydroxybutyl (meth) acrylate. Among them, at least one of 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 3-hydroxypropyl acrylate, and 4-hydroxybutyl acrylate is preferable from the viewpoints of glass transition temperature (Tg), reactivity of the hydroxyl groups in the obtained (meth) acrylic polymer a with a thermal crosslinking agent, and copolymerizability with other monomers. These may be used alone or in combination of 2 or more.
Examples of the carboxyl group-containing monomer include ethylenically unsaturated carboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, maleic acid, itaconic acid, and citraconic acid. These may be used alone or in combination of 2 or more.
Examples of the amino group-containing monomer include aminoethyl (meth) acrylate, n-butyl aminoethyl (meth) acrylate, and the like. These may be used alone or in combination of 2 or more.
The (meth) acrylic polymer a preferably contains 0.1 mass% or more, particularly preferably 0.5 mass% or more, and further preferably 1 mass% or more of a reactive functional group-containing monomer as a lower limit of the monomer units constituting the polymer. The upper limit is preferably 10 mass% or less, more preferably 8 mass% or less, and even more preferably less than 5 mass%. If the (meth) acrylic polymer a contains a reactive functional group-containing monomer, particularly a hydroxyl group-containing monomer, as a monomer unit in the above amount, the obtained adhesive layer easily satisfies the relationship (2) or the relationship (3).
The (meth) acrylic polymer a may not contain a carboxyl group-containing monomer, particularly, may not contain acrylic acid which is a hard monomer, as a monomer unit constituting the polymer. Since the carboxyl group is an acid component, even when a member causing a problem due to acid, for example, a transparent conductive film, a metal mesh, or the like of tin-doped indium oxide (ITO)) is present in the object to be adhered of the adhesive, these problems (corrosion, change in resistance value, or the like) caused by acid can be suppressed by not containing the carboxyl group-containing monomer.
The (meth) acrylic polymer a may contain other monomers as monomer units constituting the polymer, if necessary. As the other monomer, a monomer having a reactive functional group is also preferably not contained in order not to interfere with the action of the reactive functional group-containing monomer. Examples of such other monomers include, in addition to alkoxyalkyl (meth) acrylates such as methoxyethyl (meth) acrylate and ethoxyethyl (meth) acrylate, monomers having a glass transition temperature (Tg) of greater than-40 ℃ and 0 ℃ or less (hereinafter, also referred to as "medium Tg alkyl acrylate") as homopolymers. Examples of the medium Tg alkyl acrylate include ethyl acrylate (Tg-20deg.C), isobutyl acrylate (Tg-26deg.C), 2-ethylhexyl methacrylate (Tg-10deg.C), n-lauryl acrylate (Tg-23deg.C), and isostearyl acrylate (Tg-18deg.C). These may be used alone or in combination of 2 or more.
The polymerization system of the (meth) acrylic polymer a may be a random copolymer or a block copolymer.
The lower limit of the weight average molecular weight of the (meth) acrylic polymer a is preferably 20 ten thousand or more, particularly preferably 30 ten thousand or more, and further preferably 40 ten thousand or more. If the lower limit of the weight average molecular weight of the (meth) acrylic polymer a is not less than the above, it is possible to suppress the occurrence of defects such as the leaching of the binder. The weight average molecular weight in the present specification is a value in terms of standard polystyrene measured by Gel Permeation Chromatography (GPC).
The upper limit of the weight average molecular weight of the (meth) acrylic polymer a is preferably 150 ten thousand or less, particularly preferably 135 ten thousand or less, and further preferably 120 ten thousand or less. If the upper limit of the weight average molecular weight of the (meth) acrylate polymer (a) is not more than the above, the obtained adhesive layer easily satisfies the relation (2) or the relation (3).
In the pressure-sensitive adhesive composition a, 1 kind of the (meth) acrylic polymer a may be used alone, or 2 or more kinds may be used in combination.
If the adhesive composition A containing the thermal crosslinking agent is heated, the thermal crosslinking agent crosslinks the (meth) acrylic polymer A to form a three-dimensional network structure. Thus, the cohesive force of the obtained adhesive increases, and the obtained adhesive layer easily satisfies the relationship (2) or the relationship (3).
The thermal crosslinking agent may be one that reacts with the reactive group of the (meth) acrylic polymer a, and examples thereof include isocyanate-based crosslinking agents, epoxy-based crosslinking agents, amine-based crosslinking agents, melamine-based crosslinking agents, aziridine-based crosslinking agents, hydrazine-based crosslinking agents, aldehyde-based crosslinking agents, oxazoline-based crosslinking agents, metal alkoxide-based crosslinking agents, metal complex-based crosslinking agents, metal salt-based crosslinking agents, and ammonium salt-based crosslinking agents. Among the above, when the reactive group of the (meth) acrylic polymer a is a hydroxyl group, an isocyanate-based crosslinking agent having excellent reactivity with the hydroxyl group is preferably used. The thermal crosslinking agent may be used alone or in combination of 1 or more than 2.
The isocyanate-based crosslinking agent contains at least a polyisocyanate compound.
Examples of the polyisocyanate compound include aromatic polyisocyanates such as toluene diisocyanate, diphenylmethane diisocyanate and xylene diisocyanate, aliphatic polyisocyanates such as hexamethylene diisocyanate, alicyclic polyisocyanates such as isophorone diisocyanate and hydrogenated diphenylmethane diisocyanate, and the like, and biuret and isocyanurate thereof, and further, addition products of reactants with low-molecular active hydrogen-containing compounds such as ethylene glycol, propylene glycol, neopentyl glycol, trimethylolpropane and castor oil. Among them, from the viewpoint of reactivity with hydroxyl groups, trimethylolpropane-modified aromatic polyisocyanates, in particular, trimethylolpropane-modified toluene diisocyanate and trimethylolpropane-modified xylylene diisocyanate are preferable.
Examples of the epoxy-based crosslinking agent include 1, 3-bis (N, N-diglycidyl aminomethyl) cyclohexane, N' -tetraglycidyl m-xylylenediamine, ethylene glycol diglycidyl ether, 1, 6-hexanediol diglycidyl ether, trimethylolpropane diglycidyl ether, diglycidyl aniline, diglycidyl amine, and the like.
The content of the thermal crosslinking agent in the adhesive composition a is preferably 0.01 mass% or more, more preferably 0.05 mass% or more, and still more preferably 0.1 mass% or more, relative to 100 mass% of the (meth) acrylic polymer a. The content is preferably 1% by mass or less, more preferably 0.8% by mass or less, and still more preferably 0.5% by mass or less. By setting the content of the thermal crosslinking agent to the above range, the obtained adhesive layer can easily satisfy the relation (2) or the relation (3).
The adhesive composition a preferably contains the above silane coupling agent. In this way, the adhesive layer obtained has improved adhesion to each member in the flexible laminate as an adherend, and is more excellent in durability against bending.
As the silane coupling agent, an organosilicon compound having at least 1 alkoxysilyl group in the molecule, and a compound having excellent compatibility with the (meth) acrylic polymer a and light transmittance is preferable.
Examples of the silane coupling agent include silicon compounds having a polymerizable unsaturated group such as vinyltrimethoxysilane, vinyltriethoxysilane, and methacryloxypropyl trimethoxysilane, silicon compounds having an epoxy structure such as 3-glycidoxypropyl trimethoxysilane and 2- (3, 4-epoxycyclohexyl) ethyltrimethoxysilane, silicon compounds having a mercapto group such as 3-mercaptopropyl trimethoxysilane, 3-mercaptopropyl triethoxysilane, and 3-mercaptopropyl dimethoxymethylsilane, silicon compounds having an amino group such as 3-aminopropyl trimethoxysilane, N- (2-aminoethyl) -3-aminopropyl methyldimethoxysilane, 3-chloropropyltrimethoxysilane, 3-isocyanatopropyl triethoxysilane, and condensed products of at least 1 of them with silicon compounds having an alkyl group such as methyltriethoxysilane, ethyltriethoxysilane, methyltrimethoxysilane, and ethyltrimethoxysilane. These may be used alone or in combination of 1 or more than 2.
The content of the silane coupling agent in the adhesive composition a is preferably 0.01 mass% or more, more preferably 0.05 mass% or more, and still more preferably 0.1 mass% or more, relative to 100 mass% of the (meth) acrylic polymer a. The content is preferably 1% by mass or less, more preferably 0.5% by mass or less, and still more preferably 0.3% by mass or less. When the content of the silane coupling agent is in the above range, the resulting adhesive layer is a layer having more preferable adhesion to each member in the flexible laminate as an adherend.
The adhesive composition a may be added with the above-described various additives as desired. The polymerization solvent and the dilution solvent are not included in the additives constituting the adhesive composition a.
The (meth) acrylic polymer a can be produced by polymerizing a mixture of monomers constituting the polymer by a usual radical polymerization method. The polymerization of the (meth) acrylic polymer a is preferably performed by a solution polymerization method using a polymerization initiator as desired. Examples of the polymerization solvent include ethyl acetate, n-butyl acetate, isobutyl acetate, toluene, acetone, hexane, and methyl ethyl ketone, and 2 or more kinds of solvents may be used in combination.
The polymerization initiator may be an azo compound, an organic peroxide, or the like, and 2 or more kinds may be used in combination. As the azo-based compound, a compound having a hydroxyl group, examples thereof include 2,2' -azobisisobutyronitrile, 2' -azobis (2-methylbutyronitrile), 1' -azobis (cyclohexane 1-carbonitrile), 2' -azobis (2, 4-dimethylvaleronitrile), 2' -azobis (2, 4-dimethyl-4-methoxyvaleronitrile), and dimethyl 2,2' -azobis (2-methylpropionate), 4' -azobis (4-cyanovaleric acid), 2' -azobis (2-hydroxymethylpropionitrile), 2' -azobis [2- (2-imidazolin-2-yl) propane ], and the like.
Examples of the organic peroxide include benzoyl peroxide, t-butyl perbenzoate, cumene hydroperoxide, diisopropyl peroxydicarbonate, di-n-propyl peroxydicarbonate, di (2-ethoxyethyl) peroxydicarbonate, t-butyl peroxyneodecanoate, t-butyl peroxypivalate, peroxy (3, 5-trimethylhexane), dipropyl peroxide, and diacetyl peroxide.
In the polymerization step, a chain transfer agent such as 2-mercaptoethanol is blended to adjust the weight average molecular weight of the obtained polymer.
If the (meth) acrylic polymer a is obtained, the adhesive composition a (coating solution) diluted with the solvent is obtained by adding the thermal crosslinking agent, the silane coupling agent, and if desired, the additive and the diluting solvent to the solution of the (meth) acrylic polymer a and mixing them sufficiently.
In the case where a solid component is used or where precipitation occurs when the solid component is mixed with other components in an undiluted state, the solid component may be dissolved or diluted in a diluting solvent alone and then mixed with the other components.
Examples of the diluent solvent include aliphatic hydrocarbons such as hexane, heptane and cyclohexane, aromatic hydrocarbons such as toluene and xylene, halogenated hydrocarbons such as methylene chloride and dichloroethane, alcohols such as methanol, ethanol, propanol, butanol and 1-methoxy-2-propanol, esters such as acetone, methyl ethyl ketone, 2-pentanone, isophorone and cyclohexanone, esters such as ethyl acetate and butyl acetate, cellosolve solvents such as ethyl cellosolve, and the like.
The concentration and viscosity of the coating solution thus prepared are not particularly limited as long as they are in a coatable range, and may be appropriately selected according to the situation. For example, the adhesive composition a is diluted so that the concentration thereof is 10 to 60 mass%. In addition, the addition of a diluting solvent or the like is not necessary in obtaining the coating solution, and may be omitted as long as the viscosity of the adhesive composition a can be applied. In this case, the adhesive composition a is a coating solution in which the polymerization solvent of the (meth) acrylic polymer a is directly used as a diluting solvent.
The adhesive according to the present embodiment is preferably obtained by crosslinking the adhesive composition a. Crosslinking of the adhesive composition a can be performed by heat treatment. The heat treatment may also be used as a drying treatment for evaporating the diluting solvent or the like from the coating film of the adhesive composition a applied to the desired object.
The heating temperature of the heating treatment is preferably 50 to 150 ℃, more preferably 70 to 120 ℃. The heating time is preferably 10 seconds to 10 minutes, more preferably 50 seconds to 2 minutes.
After the heat treatment, a curing time of about 1 to 2 weeks at normal temperature (e.g., 23 ℃ C., 50% RH) may be set as needed. When the aging time is necessary, the adhesive is formed after the aging time has elapsed, and when the aging time is unnecessary, the adhesive is formed after the heat treatment has ended.
By the heat treatment (and curing), the (meth) acrylic polymer a is sufficiently crosslinked via the crosslinking agent to form a crosslinked structure, thereby obtaining the adhesive. Such an adhesive easily satisfies the relation (2) or the relation (3) with respect to the obtained adhesive layer.
In the present invention, such an adhesive sheet comprises an adhesive layer formed of the adhesive composition a according to the present invention described above. The adhesive layer may be formed by coating the adhesive composition a on a substrate. When a thermosetting adhesive composition is used as the adhesive composition a, a cured product having a desired degree of cure can be produced by applying a heat treatment (and curing) to the formed adhesive layer. The conditions for the heat treatment and curing were as described above.
The substrate may be a release film to which a release treatment is applied. The pressure-sensitive adhesive sheet can be produced by forming a layer composed of a pressure-sensitive adhesive in a sheet form on a release film in advance, and further laminating another release film on the pressure-sensitive adhesive layer.
As a method of applying the coating liquid of the adhesive composition a, for example, bar coating, knife coating, roll coating, blade coating, die coating, gravure coating, or the like can be used.
The adhesive composition a can be produced by a known method, for example, by mixing the components together using a mixer or the like.
[ front panel ]
The front panel 101 is not limited as long as it is a plate-like body that transmits light, and may be composed of only 1 layer, or may be composed of 2 or more layers. Examples thereof include a resin plate-like body (e.g., a resin plate, a resin sheet, a resin film, etc.), a glass plate-like body (e.g., a glass plate, a glass film, etc.), and a touch sensor panel described later. The front panel may constitute an outermost surface of the display device.
The thickness of the front panel 101 may be, for example, 10 μm to 500 μm, preferably 30 μm to 200 μm, and more preferably 50 μm to 100 μm. In the present invention, the thickness of each layer can be measured by the thickness measurement method described in examples described below.
In the case where the front panel 101 is a resin plate-like body, the resin plate-like body is not limited as long as light can be transmitted therethrough. Examples of the resin constituting the resin plate-like body such as a resin film include films formed of polymers such as triacetylcellulose, acetylcellulose butyrate, ethylene-vinyl acetate copolymer, propionylcellulose, butyrylcellulose, levulinyl cellulose, polyester, polystyrene, polyamide, polyetherimide, poly (meth) acrylic acid, polyimide, polyethersulfone, polysulfone, polyethylene, polypropylene, polymethylpentene, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyvinyl acetal, polyetherketone, polyetheretherketone, polyethersulfone, polymethyl methacrylate, polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polycarbonate, and polyamideimide. These polymers may be used alone or in combination of 2 or more. From the viewpoint of improving strength and transparency, a resin film formed of a polymer such as polyimide, polyamide, or polyamideimide is preferable.
From the viewpoint of improving the hardness, the front panel 101 is preferably a film having a hard coat layer provided on at least one surface of the base film. As the base film, a film made of the above resin can be used. The hard coat layer may be formed on one side of the base film or on both sides. By providing the hard coat layer, a resin film having improved hardness and scratch resistance can be produced. The hard coat layer is, for example, a cured layer of an ultraviolet curable resin. Examples of the ultraviolet curable resin include acrylic resins, silicone resins, polyester resins, urethane resins, amide resins, and epoxy resins. The hard coat layer may also contain additives for hardness enhancement. The additive is not limited, and examples thereof include inorganic fine particles, organic fine particles, and a mixture of these.
When the front panel 101 is a glass plate, the glass plate is preferably reinforced glass for display. The thickness of the glass plate is, for example, 10 μm to 1000. Mu.m. By using a glass plate, the front panel 101 having excellent mechanical strength and surface hardness can be constituted.
When the laminate 100 is used in a display device, the front panel 101 may have not only a function of protecting the front surface (screen) of the display device (a function as a window film) but also a function as a touch sensor, a blue light cut-off function, a viewing angle adjustment function, and the like.
[ 1 st adhesive layer ]
The 1 st adhesive layer 102 is a layer interposed between the front panel 101 and the polarizer layer 103 and bonded to each other, and is, for example, a layer made of an adhesive or a layer obtained by applying a certain treatment to the layer. The 1 st adhesive layer may be an adhesive layer disposed closest to the front panel among the adhesive layers constituting the laminate. Adhesives are also known as pressure sensitive adhesives. In the present specification, "adhesive" means an adhesive other than an adhesive (pressure-sensitive adhesive), and is clearly distinguished from an adhesive. The 1 st adhesive layer 102 may be formed of 1 layer or may be formed of 2 or more layers, but is preferably 1 layer.
The 1 st adhesive layer 20 may be directly formed of an adhesive composition, or may be formed using an adhesive sheet having an adhesive layer formed using an adhesive composition. The adhesive composition may be formed from adhesive composition a as described above.
The thickness of the 1 st pressure-sensitive adhesive layer 102 is, for example, preferably 3 μm to 100. Mu.m, more preferably 5 μm to 50. Mu.m, and may be 20 μm or more.
[ polarizer layer ]
Examples of the polarizer layer 103 include a stretched film or a stretched layer having a dichroic dye adsorbed thereto, and a layer obtained by applying a composition containing a dichroic dye and a polymerizable compound and curing the composition. As the dichroic dye, specifically, iodine or a dichroic organic dye can be used. The dichroic organic dye includes a dichroic direct dye composed of a disazo compound such as c.i. direct RED (c.i. direct RED) 39, and a dichroic direct dye composed of a compound such as trisazo or tetraazo.
Examples of the polarizer layer obtained by applying and curing a composition containing a dichroic dye and a polymerizable compound include a polarizer layer containing a cured product of a polymerizable liquid crystal compound, for example, a layer obtained by applying and curing a composition containing a dichroic dye having liquid crystallinity or a composition containing a dichroic dye and a polymerizable liquid crystal.
A polarizer layer obtained by applying and curing a composition containing a dichroic dye and a polymerizable liquid crystal is preferable because it is not limited in the bending direction as compared with a stretched film or a stretched layer to which the dichroic dye is adsorbed.
[ polarizer layer as stretched film or stretched layer ]
The polarizer layer as a stretched film having a dichroic dye adsorbed thereto can be generally produced by the following steps: a step of uniaxially stretching a polyvinyl alcohol resin film; a step of dyeing a polyvinyl alcohol resin film with a dichroic dye and adsorbing the dichroic dye; a step of treating the polyvinyl alcohol resin film having the dichroic dye adsorbed thereto with an aqueous boric acid solution; and a step of washing with water after the treatment with the aqueous boric acid solution.
The thickness of the polarizer layer 103 is, for example, 2 μm to 40 μm. The thickness of the polarizer layer 103 may be 5 μm or more, and may be 20 μm or less, further 15 μm or less, and further 10 μm or less.
The polyvinyl alcohol resin can be obtained by saponifying a polyvinyl acetate resin. As the polyvinyl acetate resin, a copolymer of vinyl acetate and other monomers copolymerizable therewith may be used in addition to polyvinyl acetate which is a homopolymer of vinyl acetate. Examples of the other monomer copolymerizable with vinyl acetate include unsaturated carboxylic acids, olefins, vinyl ethers, unsaturated sulfonic acids, and (meth) acrylamides having an ammonium group.
The saponification degree of the polyvinyl alcohol resin is usually about 85 to 100 mol%, preferably 98 mol% or more. The polyvinyl alcohol resin may be modified, and for example, aldehyde-modified polyvinyl methylal or polyvinyl acetal may be used. The polymerization degree of the polyvinyl alcohol resin is usually 1000 to 10000 or less, preferably 1500 to 5000 or less.
The polarizer layer as the stretched layer having the dichroic dye adsorbed thereto can be generally produced by the following steps: a step of applying a coating liquid containing the polyvinyl alcohol resin onto a base film; a step of uniaxially stretching the obtained laminated film; dyeing the uniaxially stretched polyvinyl alcohol resin layer of the laminated film with a dichroic dye, and adsorbing the dichroic dye to form a polarizer layer; a step of treating the film having the dichromatic pigment adsorbed thereto with an aqueous boric acid solution; and a step of washing with water after the treatment with the aqueous boric acid solution.
The substrate film may be peeled off from the polarizer layer as needed. The material and thickness of the base film may be the same as those of the thermoplastic resin film described later.
The polarizer layer as a stretched film or a stretched layer may be combined with the laminate in such a manner that a thermoplastic resin film is bonded to one or both surfaces thereof. The thermoplastic resin film may function as a protective film for the polarizer layer 103 or a retardation film. The thermoplastic resin film may be a polyolefin resin such as a chain polyolefin resin (polypropylene resin or the like) or a cyclic polyolefin resin (norbornene resin or the like); cellulose resins such as triacetyl cellulose; polyester resins such as polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate; a polycarbonate resin; (meth) acrylic resins; or a mixture thereof, or the like.
From the viewpoint of thickness reduction, the thickness of the thermoplastic resin film is usually 300 μm or less, preferably 200 μm or less, more preferably 100 μm or less, still more preferably 80 μm or less, still more preferably 60 μm or less, and further usually 5 μm or more, preferably 20 μm or more.
The thermoplastic resin film may or may not have a retardation.
The thermoplastic resin film may be bonded to the polarizer layer 103 using an adhesive layer, for example.
[ polarizer layer obtained by applying and curing a composition comprising a dichroic dye and a polymerizable compound ]
Examples of the polarizer layer obtained by applying and curing a composition containing a dichroic dye and a polymerizable compound include a polarizer layer containing a cured product of a polymerizable liquid crystal compound, for example, a layer obtained by applying and curing a composition containing a polymerizable dichroic dye having liquid crystallinity or a composition containing a dichroic dye and a polymerizable liquid crystal to a substrate film.
The substrate film may be peeled off from the polarizer layer as needed. The material and thickness of the base film may be the same as those of the thermoplastic resin film described above. The polarizer layer may have an alignment film. The orientation film can be peeled off.
The polarizer layer obtained by applying and curing the composition containing the dichroic dye and the polymerizable compound may be assembled in the optical laminate in a state in which a thermoplastic resin film is bonded to one or both surfaces thereof. As the thermoplastic resin film, a thermoplastic resin film similar to that which can be used in the polarizer layer as a stretched film or a stretched layer can be used. The thermoplastic resin film may be bonded to the polarizer layer using an adhesive layer, for example.
The polarizer layer formed by applying and curing the composition containing the dichroic dye and the polymerizable compound may be formed with an Overcoat (OC) layer as a protective layer on one or both sides thereof. Examples thereof include photocurable resins and water-soluble polymers. Examples of the photocurable resin include (meth) acrylic resins, urethane resins, (meth) acrylic urethane resins, epoxy resins, and silicone resins. Examples of the water-soluble polymer include poly (meth) acrylamide polymers; polyvinyl alcohol and vinyl alcohol copolymers, ethylene-vinyl acetate copolymers, vinyl alcohol polymers such as (meth) acrylic acid or anhydride-vinyl alcohol copolymers; carboxyvinyl polymers; polyvinylpyrrolidone; starches; sodium alginate; polyethylene oxide polymers, and the like. The thickness of the OC layer is preferably 20 μm or less, more preferably 15 μm or less, still more preferably 10 μm or less, and may be 5 μm or less, and further 0.05 μm or more, and may be 0.5 μm or more.
The thickness of the polarizer layer obtained by applying and curing the composition containing the dichroic dye and the polymerizable compound is usually 10 μm or less, preferably 0.5 μm to 8 μm, and more preferably 1 μm to 5 μm.
[ adhesive layer 2 ]
The 2 nd adhesive layer 104 is an adhesive layer disposed between the polarizer layer 103 and the back plate 105. The 2 nd adhesive layer may be an adhesive layer disposed closest to the back surface plate among the adhesive layers constituting the laminate. The 2 nd adhesive layer 104 may be 1 layer or may be formed of 2 or more layers, but is preferably 1 layer.
The composition and the component of the adhesive composition constituting the 2 nd adhesive layer 104, the type of the adhesive composition (whether or not it is an active energy ray-curable type, a thermosetting type, or the like), the additive that can be blended in the adhesive composition, the method for producing the 2 nd adhesive layer, and the thickness of the 2 nd adhesive layer are the same as those shown in the description of the 1 st adhesive layer 102.
The composition, blend composition, thickness, etc. of the adhesive composition in the 2 nd adhesive layer 104 may be the same as or different from those in the 1 st adhesive layer 102.
[ Back plate ]
As the back plate 105, a plate-like body that can transmit light, a structural element that can be used for a general display device, or the like can be used.
The thickness of the back plate 105 may be, for example, 5 μm to 2000 μm, preferably 10 μm to 1000 μm, and more preferably 15 μm to 500 μm.
The plate-like body used for the back plate 105 may be composed of only 1 layer, or may be composed of 2 layers or more, and the plate-like body exemplified for the plate-like body described in the front plate 101 may be used.
Examples of the structural element used for the back plate 105, which can be used for a general display device, include a spacer, a touch sensor panel, and an organic EL display element. Examples of the lamination order of the constituent elements in the display device include a front panel/circularly polarizing plate/spacer, a front panel/circularly polarizing plate/organic EL display element, a front panel/circularly polarizing plate/touch sensor panel/organic EL display element, a front panel/touch sensor panel/circularly polarizing plate/organic EL display element, and the like.
(touch sensor Panel)
The touch sensor panel is not limited to a detection method as long as it is a sensor capable of detecting a touched position, and examples thereof include a resistive film type, a capacitive coupling type, a photo sensor type, an ultrasonic type, an electromagnetic induction coupling type, a surface acoustic wave type, and the like. In view of low cost, a touch sensor panel of a resistive film type or a capacitive coupling type can be preferably used.
An example of a resistive touch sensor panel is composed of a pair of substrates disposed opposite to each other, an insulating spacer sandwiched between the pair of substrates, a transparent conductive film provided as a resistive film on the inner front surface of each substrate, and a touch position detection circuit. In an image display device provided with a resistive film type touch sensor panel, if the surface of a front panel is touched, the opposing resistive film is shorted, and a current flows through the resistive film. The touch position detection circuit detects a voltage change at this time, thereby detecting a touched position.
An example of a capacitive-coupling type touch sensor panel is composed of a substrate, a transparent electrode for detecting a position provided on the entire surface of the substrate, and a touch position detection circuit. In an image display device provided with a capacitive coupling type touch sensor panel, if the surface of a front panel is touched, a transparent electrode is grounded via the capacitance of a human body at the point where the touch is made. The touch position detection circuit detects the grounding of the transparent electrode, thereby detecting the touched position.
The thickness of the touch sensor panel may be, for example, 5 μm to 2000 μm or 5 μm to 100 μm.
[ phase-difference layer ]
The laminate 100 may further include 1 layer or 2 or more retardation layers. The phase difference layer is typically disposed between the polarizer layer 103 and the back plate 105. The retardation layer may be laminated on the 1 st adhesive layer 102 and the 2 nd adhesive layer 104, or may be laminated on another layer (including another retardation layer) through a layer (hereinafter also referred to as a bonding layer) composed of an adhesive or an adhesive other than these layers.
[ adhesive layer ]
The adhesive layer is a layer disposed between the 1 st adhesive layer 102 and the 2 nd adhesive layer 104, and is a layer made of an adhesive or an adhesive. The adhesive constituting the adhesive layer may be the same adhesive as exemplified for the adhesive composition constituting the 1 st adhesive layer 102 and the 2 nd adhesive layer, or may be other adhesives such as (meth) acrylic adhesives, styrene adhesives, silicon adhesives, rubber adhesives, polyurethane adhesives, polyester adhesives, epoxy copolymer adhesives, and the like.
The adhesive constituting the adhesive layer may be formed by combining 1 or 2 or more kinds of aqueous adhesives, active energy ray-curable adhesives, and the like, for example. Examples of the aqueous adhesive include an aqueous polyvinyl alcohol resin solution and an aqueous two-part urethane emulsion adhesive. The active energy ray-curable adhesive is an adhesive cured by irradiation with active energy rays such as ultraviolet rays, and examples thereof include adhesives containing a polymerizable compound and a photopolymerization initiator, adhesives containing a photoreactive resin, adhesives containing a binder resin and a photoreactive crosslinking agent, and the like. Examples of the polymerizable compound include photopolymerizable monomers such as photocurable epoxy monomers, photocurable acrylic monomers and photocurable urethane monomers, and oligomers derived from these monomers. Examples of the photopolymerization initiator include those containing active species such as neutral radicals, anionic radicals, and cationic radicals generated by irradiation with active energy rays such as ultraviolet rays.
The thickness of the bonding layer may be, for example, 1 μm or more, preferably 1 μm to 25 μm, more preferably 2 μm to 15 μm, and still more preferably 2.5 μm to 5 μm.
The laminate 200 shown in fig. 2 includes a front plate 101, a 1 st adhesive layer 102, a polarizer layer 103, a bonding layer 108, and a back plate 105, and further includes a 1 st retardation layer 106, a bonding layer 109, a 2 nd retardation layer 107, and a 2 nd adhesive layer 104.
Examples of the retardation layer include a photo-alignment material parallel alignment film (positive-Aplate) such as a λ/4 plate and a λ/2 plate, and a photo-alignment material perpendicular alignment film (positive-C plate).
The retardation layer may be, for example, a retardation film that can be formed of the thermoplastic resin film, or a layer obtained by curing a polymerizable liquid crystal compound, that is, a layer containing a cured product of a polymerizable liquid crystal compound, and is preferably the latter.
The thickness of the retardation film may be the same as that of the thermoplastic resin film described above. The thickness of the retardation layer obtained by curing the polymerizable liquid crystal compound is, for example, 0.1 μm to 10. Mu.m, preferably 0.5 μm to 8. Mu.m, more preferably 1 μm to 6. Mu.m.
The retardation layer obtained by curing the polymerizable liquid crystal compound can be formed by coating a composition containing the polymerizable liquid crystal compound on a base film and curing the composition. An alignment layer may be formed between the substrate film and the coating layer. The material and thickness of the base film may be the same as those of the thermoplastic resin film described above.
The retardation layer obtained by curing the polymerizable liquid crystal compound may be combined with the laminate 100 in the form of an alignment layer and/or a base film. The back panel 105 may be a substrate film coated with the above composition.
As described above, the adhesive layer 108 may be an adhesive or an adhesive. The adhesive may be the adhesive composition a described above.
As the adhesive, an aqueous adhesive or an active energy ray-curable adhesive can be used. Examples of the aqueous adhesive include an adhesive composed of an aqueous polyvinyl alcohol resin solution, an aqueous two-part urethane emulsion adhesive, and the like.
The active energy ray-curable adhesive is an adhesive cured by irradiation with active energy rays such as ultraviolet rays, and examples thereof include adhesives containing a polymerizable compound and a photopolymerization initiator, adhesives containing a photoreactive resin, adhesives containing a binder resin and a photoreactive crosslinking agent, and the like.
Examples of the polymerizable compound include photopolymerizable monomers such as photocurable epoxy monomers, photocurable (meth) acrylic monomers and photocurable urethane monomers, and oligomers derived from photopolymerizable monomers.
The photopolymerization initiator may be a compound containing an active material that generates a neutral radical, an anionic radical, or a cationic radical by irradiation with an active energy ray such as ultraviolet rays. As the active energy ray-curable adhesive containing a polymerizable compound and a photopolymerization initiator, an active energy ray-curable adhesive containing a photocurable epoxy monomer and a photocationic polymerization initiator can be preferably used.
[ method for producing laminate ]
The laminate 100 can be produced by a method including the steps of: and bonding the layers constituting the laminate 100 to each other via an adhesive layer or further via an adhesive layer. In the case where the layers are bonded to each other via the pressure-sensitive adhesive layer and the pressure-sensitive adhesive layer, it is preferable to apply a surface activation treatment such as corona treatment to one or both of the bonding surfaces in order to improve the adhesion.
The polarizer layer 103 may be directly formed on a thermoplastic resin film or a base film, which may be combined with the laminate 100 or may be peeled from the polarizer layer 103 without being a structural element of the laminate.
< display device >)
The display device according to the present invention includes the laminate 100 according to the present invention. The display device is not particularly limited, and examples thereof include image display devices such as organic EL display devices, inorganic EL display devices, liquid crystal display devices, and electroluminescent display devices. The display device may have a touch panel function. The optical laminate is preferably a display device having flexibility such as being bendable or bendable.
In the display device, the optical laminate is disposed on the viewing side of the display element included in the display device, with the front panel facing outward (on the opposite side to the display element side, i.e., the viewing side).
The display device of the present invention can be used as mobile devices such as smart phones and tablet computers, televisions, digital photo frames, electronic tags, measuring devices, instruments, office equipment, medical equipment, computer equipment, and the like.
< adhesive composition >
The adhesive composition according to the present invention is preferably the adhesive composition a described above. The adhesive composition according to the present invention can be produced by a known method, for example, by mixing the components together using a mixer or the like.
< adhesive sheet >
The adhesive sheet according to the present invention preferably comprises an adhesive layer formed from the adhesive composition a.
The adhesive layer may be formed by coating the adhesive composition on the substrate. When the active energy ray-curable adhesive composition is used as the adhesive composition, a cured product having a desired degree of cure can be produced by irradiating the formed adhesive layer with active energy rays. When a thermosetting adhesive composition is used as the adhesive composition, a cured product having a desired degree of cure can be produced by applying a heat treatment (and curing) to the formed adhesive layer.
The substrate may be a release film to which a release treatment is applied. The pressure-sensitive adhesive sheet can be produced by forming a layer composed of a pressure-sensitive adhesive in a sheet form on a release film in advance, and further laminating another release film on the pressure-sensitive adhesive layer.
The adhesive layer of the adhesive sheet according to the present invention has excellent adhesive durability under normal temperature environment. If the shear modulus of elasticity at 25℃of a reference adhesive layer having a thickness of 150 μm formed from an adhesive composition usable for the formation of the adhesive layer is set to G 0 [Pa]Preferably, the following relational expression (4) is satisfied:
1.0×10 4 ≤G 0 ≤5.0×10 5 (4)，
more preferably, the following relational expression (4 a) is satisfied:
2.0×10 4 ≤G 0 ≤2.0×10 5 (4a)。
the present invention will be described in further detail with reference to examples, but the present invention is not limited to these examples.
Examples
[ pressure-sensitive adhesive sheet Using Heat-curable pressure-sensitive adhesive composition ]
[1] Production of adhesive sheet A11
(1) Preparation of (meth) acrylic polymers
54 parts by mass of n-butyl acrylate, 45 parts by mass of 2-ethylhexyl acrylate and 1 part by mass of 4-hydroxybutyl acrylate were copolymerized to prepare a (meth) acrylic polymer. The molecular weight of the (meth) acrylic polymer was measured by the method described below, and as a result, the weight average molecular weight (Mw) was 80 ten thousand.
(2) Preparation of adhesive composition
100 parts by mass (solid content equivalent; the same applies hereinafter) of the (meth) acrylic polymer obtained in the above-described step, 0.25 part by mass of trimethylolpropane-modified xylylene diisocyanate (product name "TD-75" manufactured by Zyoshi chemical Co., ltd.) as a thermal crosslinking agent, and 0.2 part by mass of 3-glycidoxypropyl trimethoxysilane (product name "KBM403" manufactured by Xinshi chemical Co., ltd.) as a silane coupling agent were mixed, stirred sufficiently, and diluted with methyl ethyl ketone to obtain a coating solution of the adhesive composition. Table 1 shows the respective blends (solid content conversion values) of the adhesive compositions when 100 parts by mass (solid content conversion values) of the (meth) acrylic polymer were prepared. Abbreviations and the like described in table 1 indicate the following.
BA: acrylic acid n-butyl ester
2EHA: 2-ethylhexyl acrylate
4HBA: acrylic acid 4-hydroxybutyl ester
(3) Production of adhesive sheet A11
The coating solution of the obtained adhesive composition was applied to the release treated surface of a light separator (manufactured by Lintec Co., ltd., product name "SP-PET 752150") by a knife coater. Then, for the coating layer, heat treatment was performed at 90 ℃ for 1 minute to form the coating layer. Next, the coating layer on the light separator obtained above was bonded to a heavy separator (manufactured by Lintec corporation under the product name "SP-PET 382120") so that the release treated surface of the separator was in contact with the coating layer, and cured under the conditions of 23 ℃ and 50% rh for 7 days, thereby producing an adhesive sheet a11 having an adhesive layer with a thickness of 25 μm, that is, an adhesive sheet a11 composed of a light separator/adhesive layer (thickness: 25 μm)/heavy separator. The adhesive layer of the adhesive sheet a11 was used as the adhesive layer a11. The shear modulus and the gel fraction of the adhesive sheet a11 are shown in table 1. The thickness, shear modulus, and gel fraction of the adhesive layer a11 were measured by the methods described below.
[2] Production of pressure-sensitive adhesive sheets A12 to A16
(1) Preparation of (meth) acrylic polymers
The ratio of the monomers constituting the (meth) acrylic polymer was prepared as shown in table 1, for example, and the weight average molecular weight (Mw) of the (meth) acrylic polymer shown in table 1 was prepared in the same manner as in the production process of the adhesive sheet a 11.
(2) Preparation of adhesive composition
100 parts by mass of the (meth) acrylic polymer obtained in the above step, trimethylolpropane-modified xylylene diisocyanate (product name "TD-75" manufactured by Song chemical Co., ltd.) as a thermal crosslinking agent, and 3-glycidoxypropyl trimethoxysilane (product name "KBM403" manufactured by Song chemical Co., ltd.) as a silane coupling agent were mixed in the mixing ratio shown in Table 1, and the mixture was sufficiently stirred and diluted with methyl ethyl ketone to obtain a coating solution of the adhesive composition.
(3) Production of pressure-sensitive adhesive sheets A12 to A16
The adhesive sheets a12 to a16 were produced in the same manner as the production process of the adhesive sheet a11 using the coating solution of the obtained adhesive composition. The pressure-sensitive adhesive layers of the pressure-sensitive adhesive sheets a12 to a16 were used as the pressure-sensitive adhesive layers a12 to a16. The thicknesses, shear moduli, and gel fractions of the pressure-sensitive adhesive layers a12 to a16 measured by the methods described later are shown in table 1 for the pressure-sensitive adhesive sheets a12 to a16.
TABLE 1
[ pressure-sensitive adhesive sheet Using active energy ray-curable pressure-sensitive adhesive composition ]
[1] Production of adhesive sheet A21
(1) Preparation of (meth) acrylic Polymer A21
A monomer mixture containing 92.9 mass% of 2-ethylhexyl acrylate (2-EHA) monomer and 7 mass% of Butyl Acrylate (BA) monomer was charged into a 1L reactor equipped with a cooling device to reflux nitrogen gas for easy temperature adjustment, and then nitrogen gas was refluxed for 1 hour to remove oxygen gas, and thereafter, the temperature was maintained at 80 ℃. After the monomer mixture was uniformly mixed, 0.05 mass% of benzyl dimethyl ketal (I-651) and 0.05 mass% of 1-hydroxycyclohexyl phenyl ketone (I-184) were charged as photopolymerization initiators. Next, a UV lamp (10 mW) was irradiated while stirring to produce a (meth) acrylic polymer A21 having a weight average molecular weight (Mw) of 49W.
The ratio of each monomer to each component of the acrylic polymer a21 is shown in table 2. Abbreviations and the like described in table 2 indicate the following.
2-EHA 2-ethylhexyl acrylate (Tokyo chemical industry Co., ltd., japan),
BA butyl acrylate (Tokyo chemical industry Co., ltd., japan),
2-HEA 2-hydroxyethyl acrylate (Tokyo chemical industry Co., ltd., japan),
LA, lauryl acrylate (Tokyo chemical industry Co., ltd., japan),
I-651 benzyl dimethyl ketal (photopolymerization initiator, BASF, germany),
I-184:1-hydroxycyclohexyl phenyl ketone (photopolymerization initiator, BASF, germany).
(2) Preparation of adhesive composition
95.5% by mass (solid content equivalent; the same applies hereinafter) of the (meth) acrylic polymer obtained in the above step, 1% by mass of isodecyl acrylate (IDA, miwon specialty chemical, korea) as an additive, 2.5% by mass of 2-acetoacetoxyethyl methacrylate (AAEM, sigma-Aldrich, USA), 0.5% by mass of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide (TPO, tokyo chemical Co., ltd., japan) as a photopolymerization initiator, and 0.5% by mass of 1-hydroxycyclohexyl phenyl ketone (I-184, BASF, germany) were mixed and sufficiently stirred, and diluted with methyl ethyl ketone to obtain a coating solution of the adhesive composition. The blending (solid content conversion value) of each adhesive composition is shown in table 3. Abbreviations and the like described in table 3 indicate the following.
IDA isodecyl acrylate (Miwon specialty chemical, korea)
AAEM: 2-Acetoacetoxyethyl methacrylate (Sigma-Aldrich, USA)
TPO: diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide (tokyo chemical industry Co., ltd., japan)
I-184: 1-hydroxycyclohexyl phenyl ketone (BASF, germany)
(3) Production of adhesive sheet A21
The coating solution of the obtained adhesive composition was applied to the release treated surface of a light separator (polyethylene terephthalate film, thickness 38 μm) using a knife coater. Next, the coating layer on the light separator and the heavy separator (polyethylene terephthalate film, thickness 38 μm) obtained in the above were bonded so that the release treated surface of the separator contacted the coating layer, and UV irradiation was performed to produce an adhesive sheet a21 having an adhesive layer with a thickness of 25 μm, that is, an adhesive sheet a21 having a constitution of light separator/adhesive layer (thickness: 25 μm)/heavy separator. The adhesive layer of the adhesive sheet a21 was used as the adhesive layer a21. The shear modulus and the gel fraction measured for the adhesive sheet a21 are shown in table 3. The thickness, shear modulus, and gel fraction of the adhesive layer a21 were measured by the methods described below.
[2] Production of pressure-sensitive adhesive sheets A22, A23
(1) Preparation of (meth) acrylic polymers A22, A23
The proportions of the monomers constituting the (meth) acrylic polymer were prepared as shown in table 2, and the (meth) acrylic polymers a22 and a23 having weight average molecular weights (Mw) shown in table 2 were prepared in the same manner as the production process of the adhesive sheet a21.
(2) Preparation of adhesive composition
The (meth) acrylic polymer obtained in the above step and the additive were mixed in the mixing ratio shown in table 3, and the mixture was sufficiently stirred and diluted with methyl ethyl ketone to obtain a coating solution of the adhesive composition.
(3) Production of adhesive sheet A22, A23
The adhesive sheets a22 and a23 were produced in the same manner as the production process of the adhesive sheet a21 using the coating solution of the obtained adhesive composition. The pressure-sensitive adhesive layers of the pressure-sensitive adhesive sheets a22 and a23 were used as the pressure-sensitive adhesive layers a22 and a23. The thicknesses, shear elastic moduli, and gel fractions of the pressure-sensitive adhesive layers a22 and a23 measured by the methods described later are shown in table 3 for the pressure-sensitive adhesive sheets a22 and a23.
TABLE 2
TABLE 3
< determination of weight average molecular weight (Mw) >)
The weight average molecular weight (Mw) of the (meth) acrylic polymer was determined by size exclusion chromatography (size SEC) described below using tetrahydrofuran as the mobile phase, as the number average molecular weight (Mn) in terms of polystyrene.
The measured (meth) acrylic polymer was dissolved in tetrahydrofuran at a concentration of about 0.05 mass%, and 10. Mu.L was injected into SEC. The mobile phase was flowed at a flow rate of 1.0 mL/min. As a column, PLgel MIXED-B (manufactured by Polymer Laboratories) was used. The detector used was a UV-VIS detector (trade name: agilent GPC).
< thickness of layer >
The measurement was performed using a contact film thickness measuring apparatus (MS-5C, nikon, inc.).
Among them, the polarizer layer and the alignment film were measured by using a laser microscope (OlS 3000 manufactured by Olympic Co., ltd.).
< shear elastic modulus >)
The shear modulus was measured using a viscoelasticity measuring device (MCR-301, anton Paar Co.). The same adhesive sheets as those used in examples and comparative examples were cut to 20mm wide by 20mm long. The release film was peeled from the pressure-sensitive adhesive sheet, and a plurality of pressure-sensitive adhesive layers were laminated so that the thickness became 150. Mu.m, and bonded to the glass plate. The shear modulus value at 25℃was confirmed by measuring the pressure-sensitive adhesive layer and the measuring chip in a temperature range of-20℃to 100℃under conditions of a frequency of 1.0Hz, a deformation amount of 1% and a heating rate of 5℃per minute.
< gel fraction >
The resulting adhesive sheet was cut into 80mm×80mm sizes, and the adhesive layer was wrapped around a polyester-made web (web size 200), and the mass thereof was measured with a precision balance, and the individual mass of the web was subtracted to calculate the mass of the adhesive alone. The mass at this time was set to M1.
Next, the adhesive wrapped in the above polyester net was immersed in ethyl acetate at room temperature (23 ℃) for 24 hours. Thereafter, the adhesive was taken out, air-dried at 23℃under a relative humidity of 50% for 24 hours, and further dried in an oven at 80℃for 12 hours. After drying, the mass was weighed with a precision balance, and the individual mass of the above net was subtracted to calculate the mass of the binder alone. The mass at this time was set to M2. The gel fraction (%) was represented by (M2/M1). Times.100.
Front panel (Window film)
As the front panel, a polyimide film (thickness 50 μm) having a hard coat layer (thickness 10 μm) on one side was prepared.
[ polarizer layer ]
1. The following materials were prepared.
1) TAC film with thickness of 25 μm.
2) Composition for forming an alignment film.
< Polymer 1 >)
A polymer 1 having a photoreactive group formed of the following structural unit was prepared.
Polymer 1 was dissolved in cyclopentanone at a concentration of 5 mass% to obtain a solution, and the solution was used as a composition for forming an alignment film [ hereinafter also referred to as composition (D-1) ].
3) Composition for forming polarizer layer
< polymerizable liquid Crystal Compound >
As the polymerizable liquid crystal compound, a polymerizable liquid crystal compound represented by the formula (1-1) [ hereinafter also referred to as compound (1-1) ] and a polymerizable liquid crystal compound represented by the formula (1-2) [ hereinafter also referred to as compound (1-2) ] are used.
Compound (1-1) and compound (1-2) were synthesized according to the methods described in Lub et al, recl. Trav. Chim. Pays-Bas, 115, 321-328 (1996).
< dichroic dye >)
As the dichroic dye, an azo dye described in examples of Japanese patent application laid-open No. 2013-101328 represented by the following formulas (2-1 a), (2-1 b) and (2-3 a) is used.
The composition for forming a polarizer layer [ hereinafter also referred to as composition (a-1) ] was prepared by mixing 75 parts by mass of compound (1-1), 25 parts by mass of compound (1-2), 2.5 parts by mass of each of the azo pigments represented by the above-mentioned formulae (2-1 a), (2-1 b) and (2-3 a) as a dichroic dye, 6 parts by mass of 2-dimethylamino-2-phenyl-1- (4-morpholinophenyl) butyl-1-one (Irgacure 369, manufactured by BASF Japan) as a polymerization initiator, and 1.2 parts by mass of a polyacrylate compound (manufactured by BYK-361N, BYK-Chemie) as a leveling agent in 400 parts by mass of toluene as a solvent, and stirring the resultant mixture at 80 ℃ for 1 hour.
4) Composition for forming protective layer (OC layer)
The composition for forming a protective layer (OC layer) [ hereinafter also referred to as composition (E-1) ] is prepared by mixing 100 parts by mass of water, 3 parts by mass of polyvinyl alcohol resin powder (Kuraray co., manufactured by ltd. With average degree of polymerization 18000, trade name: KL-318), and 1.5 parts by mass of polyamide epoxy resin (crosslinking agent, sumika Chemtex co., manufactured by ltd. With trade name: SR650 (30)).
2. Manufacturing method
1) The composition for forming an alignment film was applied to the TAC film side as follows.
First, 1 corona treatment was applied to the TAC film side. The conditions for the corona treatment were 0.3kW output and a treatment speed of 3 m/min. Thereafter, the composition (D-1) obtained as described above was applied to the TAC by a bar coating method, and dried by heating in a drying oven at 80℃for 1 minute. The obtained dried film was subjected to a polarized UV irradiation treatment to form a 1 st alignment film (AL 1). The polarized light UV treatment was performed under the following conditions: light irradiated from a UV irradiation device (SPOTCURE SP-7; manufactured by Ushio Inc.) was transmitted through a wire grid (UIS-27132 #, manufactured by Ushio Inc.), and the cumulative light amount measured at a wavelength of 365nm was 100mJ/cm 2 . The 1 st alignment film (AL 1) has a thickness of 100nm.
2) The composition for forming the polarizer layer was applied to the alignment film side as follows.
First, the composition (a-1) was applied to the 1 st alignment film (AL 1) formed by the bar coating method, and after drying by heating in a drying oven at 120 ℃ for 1 minute, it was cooled to room temperature. The UV irradiation device was used to accumulate an accumulated light of 1200mJ/cm 2 Ultraviolet rays were irradiated to the dried film (365 nm basis), thereby forming a polarizer layer (pol). The thickness of the resulting polarizer layer (pol) was measured using a laser microscope (OLS 3000, olympic Co., ltd.) and found to be 1.8. Mu.m.Thus, a laminate containing "TAC/AL1/pol" was obtained.
3) The composition for forming the protective layer (OC layer) was applied to the polarizer layer side as follows.
Composition (E-1) was applied to the polarizer layer (pol) thus formed by bar coating so that the thickness after drying was 1.0. Mu.m, and dried at 80℃for 3 minutes. Thus, a laminate containing "TAC film/cPL (al1+pol+protective layer)" was obtained.
[ phase-difference layer ]
1. Material preparation
The following materials were prepared.
1) A PET film having a thickness of 100 μm.
2) Composition for forming an alignment film.
< Polymer 1 >)
A polymer 1 having a photoreactive group formed of the following structural unit was prepared.
Polymer 1 was dissolved in cyclopentanone at a concentration of 5 mass% to obtain a solution, and the solution was used as a composition for forming an alignment film [ hereinafter also referred to as composition (D-1) ].
3) Composition for forming retardation layer
The following components were mixed, and the resulting mixture was stirred at 80℃for 1 hour, thereby obtaining a composition (B-1).
A compound b-1 represented by the following formula: 80 parts by mass
A compound b-2 represented by the following formula: 20 parts by mass
Polymerization initiator (Irgacure 369, 2-dimethylamino-2-phenyl-1- (4-morpholinophenyl) butyl-1-one, manufactured by BASF Japan Co., ltd.): 6 parts by mass
Leveling agent (BYK-361N, polyacrylate Compound, BYK-Chemie Co.): 0.1 part by mass
Solvent (cyclopentanone): 400 parts by mass
2. Manufacturing method
1) The composition for forming an alignment film was coated on the PET film as follows.
A polyethylene terephthalate film (PET) having a thickness of 100 μm was prepared as a base material, and the composition (D-1) was applied to the film by a bar coating method, and dried by heating in a drying oven at 80℃for 1 minute. The obtained dried film was subjected to a polarized UV irradiation treatment to form a 2 nd alignment film (AL 2). Polarized UV treatment Using the above UV irradiation apparatus, the cumulative light amount measured at 365nm wavelength was 100mJ/cm 2 Is carried out under the conditions of (2). The polarized light UV was polarized in such a manner that the absorption axis of the polarizer layer was 45 °. Thus, a laminate including "substrate (PET)/2 nd alignment film (AL 2)" was obtained.
2) The composition for forming the retardation layer was applied to the alignment film side of the PET film as follows.
On the 2 nd orientation film (AL 2) of the 1 st substrate thus obtained, the composition (B-1) was applied by a bar coating method, and after drying by heating in a drying oven at 120℃for 1 minute, it was cooled to room temperature. The UV irradiation device was used to accumulate 1000mJ/cm of light 2 (365 nm reference) ultraviolet rays were irradiated to the obtained dried film, thereby forming a retardation layer. The thickness of the retardation layer was measured by a laser microscope (OLS 3000, olympic Co., ltd.) and found to be 2.0. Mu.m. The retardation layer is a lambda/4 plate (QWP) representing a retardation value of lambda/4 in the in-plane direction. Thus, a laminate comprising "substrate (PET)/AL 2/QWP" was obtained.
[ common adhesive sheet ]
1) Polymerization of acrylic resins
The following components were stirred under nitrogen atmosphere and reacted at 55℃to obtain an acrylic resin.
Butyl acrylate: 70 parts by mass
Methyl acrylate: 20 parts by mass
Acrylic acid: 2.0 parts by mass
Radical polymerization initiator (2, 2' -azobisisobutyronitrile): 0.2 part by mass
2) Preparation of adhesive composition
The following ingredients were mixed to obtain an adhesive composition.
Acrylic resin: 100 parts by mass
Crosslinking agent (Tosoh Co., ltd. "Coronate L"): 1.0 part by mass
Silane coupling agent (Xinyuesilane corporation "X-12-981"): 0.5 part by mass
Ethyl acetate was added so that the total solid content was 10 mass%, to obtain an adhesive composition.
3) Production of adhesive sheet
The obtained adhesive composition was applied to the release treated surface of the release treated polyethylene terephthalate film (heavy separator, thickness: 38 μm) by an applicator so that the thickness after drying was 5. Mu.m. The coating layer was dried at 100℃for 1 minute to obtain a film having an adhesive layer. Thereafter, another polyethylene terephthalate film (light separator, thickness 38 μm) after the mold release treatment was laminated on the exposed surface of the pressure-sensitive adhesive layer. Thereafter, the mixture was cured at a temperature of 23℃and a relative humidity of 50% RH for 7 days to obtain a light separator/common adhesive layer/heavy separator.
Example 1
The laminate was produced by the steps shown in fig. 4 (a) to (e). First, a laminate 410[ tac film 301/cPL ((al1+pol) 302/OC layer 303) ] including the above-mentioned polarizer layer and the above-mentioned common adhesive sheet 420 (light separator 304/common adhesive layer 305/heavy separator 306) ] are prepared (fig. 4 (a)). Corona treatment (output 0.3KW, speed 3 m/min) was applied to the OC layer 303 side of the laminate 410 including the polarizer layer and the surface of the common adhesive sheet 420 from which the light separator 304 was peeled, followed by lamination, to obtain a laminate a430. The retardation layer 440[ substrate (PET) 308/AL2/QWP307] was prepared. (FIG. 4 (b)).
Then, corona treatment (output 0.3KW, speed 3 m/min) was applied to the QWP307 side of the retardation layer 440 and the surface of the laminate a430 from which the heavy separator 306 was peeled, followed by lamination, to obtain a laminate b450. Thereafter, as the adhesive sheet 460 (light separator 309/adhesive layer 310/heavy separator 311), the adhesive sheet a11 produced as described above was prepared (fig. 4 (c)). The adhesive layer 310 of the adhesive sheet 460 corresponds to the 2 nd adhesive layer.
The surface of laminate b450 from which base material (PET) 308 was peeled off and the surface of pressure-sensitive adhesive sheet 460 from which light separator 309 was peeled off were subjected to corona treatment (output 0.3KW, speed 3 m/min), and then laminated to obtain laminate c470. Further, as the pressure-sensitive adhesive sheet 490 (light separator 314/pressure-sensitive adhesive layer 315/heavy separator 316), the pressure-sensitive adhesive sheet a12 produced as described above was prepared, corona treatment (output 0.3KW, speed 3 m/min) was applied to the surface from which the light separator 314 was peeled off and the polyimide film 313 side of the front panel 480 (polyimide film 313/hard coat 312), and then the resultant was bonded to obtain a laminate d500 (fig. 4 (d)). The adhesive layer 315 of the adhesive sheet 490 corresponds to the 1 st adhesive layer.
The surface of laminate d500 from which heavy separator 316 was peeled off and the TAC301 side of laminate c470 were subjected to corona treatment (output 0.3KW, speed 3 m/min), and then laminated to obtain laminate 300 of example 1 (fig. 4 (e)). The laminate of example 1 was evaluated for normal temperature bendability and normal temperature adhesion durability according to the method described below. The results are shown in Table 4.
Examples 2 to 6 and comparative examples 1 and 2
Laminates of examples 2 to 6 and comparative examples 1 and 2 were produced in the same manner as in example 1, except that the adhesive sheets a11 and a12 were used instead of the adhesive sheets having the adhesive layers shown in table 4 in example 1. The laminates of examples 2 to 6 and comparative examples 1 and 2 were evaluated for normal temperature bendability and normal temperature adhesion durability according to the method described below. The results are shown in Table 4.
< bending at Normal temperature >
The laminate obtained in each example and each comparative example was subjected to an evaluation test for confirming normal temperature bendability using a bending apparatus (STS-VRT-500, manufactured by Science Town).
The heavy separator 311 was peeled off and bonded to a PET film having a thickness of 100 μm to obtain a laminate. The PET film corresponds to the back plate. Fig. 3 is a diagram schematically showing a method of the present evaluation test. As shown in fig. 3, two placement tables 501 and 502 each movable are arranged so that the gap C is 6.0mm (3R), the center in the width direction is positioned at the center of the gap C, the hard coat layer 312 is positioned at the lower side, and the laminate is fixed and arranged (fig. 3 a). Then, the two tables 501 and 502 are rotated upward by 90 degrees with the positions P1 and P2 as the centers of the rotation axes, and a bending force (a force for bending the front panel 480 outward) is applied to the region of the laminate corresponding to the gap C of the tables (fig. 3 (b)). Thereafter, the two tables 501 and 502 are returned to the original positions (fig. 3 (a)). The above series of operations was completed, and the number of times of applying the bending force was counted as 1. This operation was repeated at a temperature of 25 ℃, and then, in the region corresponding to the gap C between the tables 501 and 502 of the laminate, the presence or absence of the occurrence of air bubbles in the adhesive layer was confirmed. The movement speed of the tables 501 and 502 and the additional magnitude of the bending force are the same conditions in the evaluation test for any of the laminated bodies. The "adhesive peeling" means that the adhesive layer oozes out from the end of the laminate.
A: no bubbles were generated even when the number of bending forces added reached 10 tens of thousands.
B: the number of bending forces added is 5 ten thousand or more and less than 10 ten thousand, and bubbles are generated.
C: the number of bending forces added is more than 2 ten thousand and less than 5 ten thousand, and bubbles are generated.
D: when the number of bending forces is 1 ten thousand or more and less than 2 ten thousand, bubbles are generated.
E: when the additional number of bending forces is less than 1 ten thousand, bubbles/adhesive exudation occurs.
< room temperature adhesion durability >)
The laminate obtained in each example and each comparative example was cut into a width of 100mm by a length of 100mm. The heavy separator 311 was peeled off and bonded to alkali-free glass. The mixture was subjected to pressure treatment in an autoclave (50 ℃ C., 5 atm) for about 20 minutes, and kept at constant temperature and humidity (23 ℃ C., 50% RH) for 4 hours. The sample was placed in an oven at 25℃and after 250 hours, the presence or absence of floating, peeling, and bubbles was judged. In the laminated body, the alkali-free glass corresponds to the back plate.
Hardly any change in appearance such as floating, peeling, foaming, etc. was observed.
Slightly visible are appearance changes such as floating, peeling, foaming, etc.
The appearance changes such as floating, peeling and foaming were evident.
[ purpose 4]
In examples 1 to 6, since "G" is satisfied 0 1≥G 0 2", and the thicknesses of the 1 st adhesive layer and the 2 nd adhesive layer are the same, it can be judged that the relationship of" G1. Gtoreq.G2 "is satisfied. On the other hand, in comparative examples 1 and 2, the "G" is used 0 1＜G 0 2", and the thicknesses of the 1 st adhesive layer and the 2 nd adhesive layer are the same, it can be judged that the relationship of" G1 < G2 ".
Description of the reference numerals
100. 200 laminated body, 101 front panel, 102 1 st adhesive layer, 103 polarizer layer, 104 nd adhesive layer, 105 back panel, 106 st retardation layer, 107 nd retardation layer, 108, 109 bonding layer, 301TAC film, 302pol, 303OC layer, 305 common adhesive layer, 306, 311, 316 heavy separator, 307QWP, 308 base material, 304, 309, 314 light separator, 310, 315 adhesive layer, 312 hard coat layer, 313 polyimide film, 410 laminated body including polarizer layer, 420 common adhesive sheet, 430 laminated body a, 440 retardation layer, 450 laminated body b, 460, 490 adhesive sheet, 470 laminated body c, 500 laminated body d, 501, 502 mounting table.
Claims (5)
1. A laminate, comprising, in order: a front panel, a 1 st adhesive layer formed using the 1 st adhesive composition, a polarizer layer, a 2 nd adhesive layer formed using the 2 nd adhesive composition, and a back panel;
When the shear elastic modulus of the 1 st adhesive layer at a temperature of 25 ℃ is G1[ Pa ] and the shear elastic modulus of the 2 nd adhesive layer at a temperature of 25 ℃ is G2[ Pa ], the following relational expression (1) is satisfied:
G1≥G2 (1)，
in the 1 st adhesive layer, the shear modulus of elasticity at 25℃of the 1 st reference adhesive layer having a thickness of 150 μm was set to G 0 1[Pa]In the 2 nd adhesive layer, the shear modulus of elasticity at 25℃of the 2 nd reference adhesive layer having a thickness of 150 μm was set to G 0 2[Pa]When the following relational expressions (2 a) and (3 a) are satisfied:
2.0×10 4 ≤G 0 1≤2.0×10 5 (2a)
2.0×10 4 ≤G 0 2≤2.0×10 5 (3a)，
the gel fraction of the 1 st adhesive layer and the 2 nd adhesive layer is 45-85%,
the 1 st adhesive composition and the 2 nd adhesive composition each comprise a (meth) acrylic polymer,
in the (meth) acrylic polymer, the structural unit derived from the monomer having a reactive functional group is 0.1 mass% or more and less than 5 mass% based on the total mass.
2. The laminate according to claim 1, wherein the 1 st adhesive layer and the 2 nd adhesive layer each contain a (meth) acrylic polymer,
the weight average molecular weight Mw of the (meth) acrylic polymer is 20 to 150 ten thousand.
3. The laminate according to claim 1 or 2, wherein the back panel is a touch sensor panel.
4. A display device comprising the laminate according to any one of claims 1 to 3.
5. The display device according to claim 4, wherein the front panel side is curved outward.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019034144A JP7039509B2 (en) | 2019-02-27 | 2019-02-27 | Laminate |
| JP2019-034144 | 2019-02-27 | ||
| PCT/JP2020/004759 WO2020175096A1 (en) | 2019-02-27 | 2020-02-07 | Laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113474693A CN113474693A (en) | 2021-10-01 |
| CN113474693B true CN113474693B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080015778.3A Active CN113474693B (en) | 2019-02-27 | 2020-02-07 | Laminate body |
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| Country | Link |
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| JP (1) | JP7039509B2 (en) |
| KR (1) | KR20210130171A (en) |
| CN (1) | CN113474693B (en) |
| TW (1) | TW202043029A (en) |
| WO (1) | WO2020175096A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6792736B1 (en) * | 2019-11-20 | 2020-11-25 | 住友化学株式会社 | Optical laminate and display device |
| WO2023189573A1 (en) * | 2022-03-30 | 2023-10-05 | 三菱ケミカル株式会社 | Adhesive sheet, adhesive sheet with mold release film, and adhesive sheet for flexible image display device constituent members |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672946A (en) * | 2008-09-10 | 2010-03-17 | 住友化学株式会社 | Polarizer and manufacturing method thereof |
| CN103897620A (en) * | 2012-12-27 | 2014-07-02 | 第一毛织株式会社 | Adhesive film and optical display including the same |
| CN104231952A (en) * | 2013-06-21 | 2014-12-24 | 第一毛织株式会社 | Adhesive film for polarizing plate, polarizing plate and optical display |
| JP2016151580A (en) * | 2015-02-16 | 2016-08-22 | 日東電工株式会社 | Optical film with adhesive and image display device |
| JP2018205770A (en) * | 2016-07-29 | 2018-12-27 | 住友化学株式会社 | Optical laminate |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003227933A (en) * | 2002-02-05 | 2003-08-15 | Nitto Denko Corp | Brightness enhancing film, method for manufacturing the same, optical film and image display device |
| JP2003227936A (en) * | 2002-02-05 | 2003-08-15 | Nitto Denko Corp | Brightness enhancing film, method for manufacturing the same, optical film and image display device |
| JP6024586B2 (en) * | 2013-04-30 | 2016-11-16 | コニカミノルタ株式会社 | Glass with polarization function and liquid crystal display device having the same |
| CN107072668B (en) * | 2015-08-14 | 2020-07-17 | 杭州安杰思医学科技股份有限公司 | Soft tissue clamp |
| JP6684630B2 (en) * | 2016-03-31 | 2020-04-22 | 住友化学株式会社 | Polarizing plate and method of manufacturing polarizing plate |
| CN106169894B (en) * | 2016-08-08 | 2018-10-26 | 中车大连电力牵引研发中心有限公司 | Threephase asynchronous machine on-line parameter discrimination method and device |
| JP7042020B2 (en) | 2016-08-15 | 2022-03-25 | 日東電工株式会社 | Laminated body for flexible image display device and flexible image display device |
| JP6925808B2 (en) | 2017-01-26 | 2021-08-25 | 日東電工株式会社 | Manufacturing method of optical laminate and manufacturing method of image display device |
| JP6510113B2 (en) | 2017-05-09 | 2019-05-08 | 日東電工株式会社 | Composition for optical member, optical member and image display device |
| CN110785685A (en) * | 2017-06-23 | 2020-02-11 | 日东电工株式会社 | Polarizing film, polarizing plate comprising same, and in-vehicle image display device comprising same |
| JP7268967B2 (en) | 2018-06-22 | 2023-05-08 | 日東電工株式会社 | Adhesive layer for flexible image display device, laminate for flexible image display device, and flexible image display device |
-
2019
- 2019-02-27 JP JP2019034144A patent/JP7039509B2/en active Active
-
2020
- 2020-02-07 CN CN202080015778.3A patent/CN113474693B/en active Active
- 2020-02-07 KR KR1020217028799A patent/KR20210130171A/en unknown
- 2020-02-07 WO PCT/JP2020/004759 patent/WO2020175096A1/en active Application Filing
- 2020-02-18 TW TW109105170A patent/TW202043029A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672946A (en) * | 2008-09-10 | 2010-03-17 | 住友化学株式会社 | Polarizer and manufacturing method thereof |
| CN103897620A (en) * | 2012-12-27 | 2014-07-02 | 第一毛织株式会社 | Adhesive film and optical display including the same |
| CN104231952A (en) * | 2013-06-21 | 2014-12-24 | 第一毛织株式会社 | Adhesive film for polarizing plate, polarizing plate and optical display |
| JP2016151580A (en) * | 2015-02-16 | 2016-08-22 | 日東電工株式会社 | Optical film with adhesive and image display device |
| JP2018205770A (en) * | 2016-07-29 | 2018-12-27 | 住友化学株式会社 | Optical laminate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020140009A (en) | 2020-09-03 |
| JP7039509B2 (en) | 2022-03-22 |
| CN113474693A (en) | 2021-10-01 |
| WO2020175096A1 (en) | 2020-09-03 |
| KR20210130171A (en) | 2021-10-29 |
| TW202043029A (en) | 2020-12-01 |
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