CN106189943A - Adhesive composition and adhesive film - Google Patents
Adhesive composition and adhesive film Download PDFInfo
- Publication number
- CN106189943A CN106189943A CN201510249974.8A CN201510249974A CN106189943A CN 106189943 A CN106189943 A CN 106189943A CN 201510249974 A CN201510249974 A CN 201510249974A CN 106189943 A CN106189943 A CN 106189943A
- Authority
- CN
- China
- Prior art keywords
- adhesive layer
- methyl
- adhesive
- monomer
- film
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Organic Chemistry (AREA)
- Human Computer Interaction (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
It is thin film but the adhesive layer that re-workability is good and cohesive is high and the adhesive film using this adhesive layer though providing.nullAdhesive layer includes the acrylic polymer of acid number less than 0.1 and weight average molecular weight more than 1,000,000 copolymer and the isocyanate compound of (3) cross-linking agent，Acrylic polymer contains (1) atomic number of alkyl carbon C1～(methyl) alkyl acrylate monomer of C14 and/or (methyl) acrylate monomer containing aryl，At least 30 above butyl acrylate of weight portion are included in (1)，And do not contain carboxylic combined polymerization sex ethylene base monomer but containing relative to the combined polymerization sex ethylene base monomer that (1) is 0.1～3.5 weight portion (2) hydroxyls，(3) cross-linking agent is 0.01～0.8 weight portion relative to the content of (1)，Gel fraction after crosslinking is 40～75%，Thickness 1 μm～25 μm，The cohesive force of thickness 25 μm is 1.5～6.0N/25mm.
Description
Technical field
The present invention relates to adhesive layer and the adhesive film of the laminating of the optics for Polarizer etc..
Background technology
In order to by adhesive layer by the optical member adhering such as Polarizer, polarizer at quilts such as liquid crystal cells
On adherend, it has been proposed that various adhesive films (for example, referring to patent documentation 1～2).
Patent documentation 1 is recorded and a kind of butyl acrylate etc. as the monomer of main component and has been contained
The optics adhesive composition of acrylamide compound etc..
Patent documentation 2 is recorded and a kind of will have (methyl) propylene of the alkyl that carbon number is 4～8
Acid esters is as main component monomer and has the optics of carboxylic monomer and nitrogenous vinyl monomer with viscous
Knot agent compositions.
It addition, for the refractive index improving adhesive layer, through repeatedly having researched and proposed multiple adhesive film (example
As, with reference to patent documentation 3～8).
Patent documentation 3 is recorded and a kind of there is aromatic ring and be the viscosifier of 1.51～1.75 containing refractive index
Optics adhesive composition.
Patent documentation 4 has been recorded the bonding of a kind of adhesive composition included containing combined polymerization polymer
Sheet, described combined polymerization polymer is the combined polymerization polymer of the acrylic acid modified monomer containing aromatic ring.
Patent documentation 5 has been recorded a kind of tackifying resin included containing aromatic ring and aromatic phosphoric acid esters plasticising
The optics adhesive composition of agent.
Patent documentation 6 has been recorded a kind of binding agent by adhesive composition solidification, described bonding
Agent compositions includes: acrylic resin；And the aromatic compound containing an ethylene unsaturated group
Thing.
Patent documentation 7 has been recorded a kind of by the acrylic adhesive containing aromatic monomer by phase contrast
The optics that film and birefringent plate interfix.
Patent documentation 8 has been recorded a kind of adhesive composition containing polyurethane resin, described polyurethane
Resin is to make aromatic diisocyanate and the reaction of aromatic polyester glycol form.
In recent years, in order to realize the filming of optics, fit as the interlayer for optics
Adhesive film, it is desirable to it is the adhesive film that the thickness of adhesive layer is thin.
Generally, the cohesive force of adhesive layer is generally proportionate with the thickness of adhesive layer, therefore, if will be viscous
The lower thickness of knot oxidant layer, can cause cohesive force to reduce the most therewith.
But, require that adhesive film has following performance in recent years: even if by the lower thickness of adhesive layer,
Also there is the cohesive force equal with conventional adhesive film (adhesive layer is the thick-layer that thickness is about 30 μm),
And for the durability after placement long-time under high temperature, high humidity environment, it may have glue with conventional
The performance that conjunctiva is above on an equal basis.
It addition, from can make the lower thickness of adhesive layer and can be formed without implement Ageing Treatment (
Under constant temperature implement ripening) adhesive layer from the viewpoint of, it is desirable to be formed as NCF (Non Carrier Film,
Non-bearing film) form, it is only made up of the adhesive layer after eliminating adhesive film base material and has " de-
Mould film (mould release membrance)/adhesive layer/mold release film " parts constitute.
It addition, in conventional adhesive film, owing to implementing at timeliness after adhesive film of fitting in adherend
Reason, therefore, it is possible to the tack improved between adherend and adhesive layer.
But, for using the adhesive film of NCF form, owing to having been completed the timeliness of adhesive layer
Processing, therefore the tack between adherend and adhesive layer is not enough.Based on this, there are needs to quilt
The surface of adherend carries out the problem that the surfaces such as sided corona treatment process.
It is thus desirable to a kind of adhesive film meeting these requirements and overcoming these problems.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2012-177022 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2012-201734 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2007-084762 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2011-153169 publication
Patent documentation 5: Japanese Unexamined Patent Publication 2012-167188 publication
Patent documentation 6: Japanese Unexamined Patent Publication 2012-021148 publication
Patent documentation 7: Japanese Unexamined Patent Publication 2006-293281 publication
Patent documentation 8: Japanese Unexamined Patent Publication 2009-091522 publication
Summary of the invention
The problem that invention is to be solved
The present invention is the invention completed in view of the foregoing, and its problem is, it is provided that although one is thin
Film but there is the adhesive layer of the performance of excellent re-workability and high adherence and employ described viscous
The adhesive film of knot oxidant layer.
The method solving problem
In order to solve above-mentioned problem, the adhesive layer of the present invention is characterised by, as adhesive composition,
Relative to using butyl acrylate as must monomer and do not use carboxylic common as the monomer containing functional group
Polymerizable vinyl monomer and employ the combined polymerization sex ethylene base monomer of hydroxyl, weight average molecular weight 100
The copolymer of more than ten thousand, uses as the isocyanate compound of cross-linking agent, more preferably and with silane coupled
Agent.
It addition, in order to solve above-mentioned problem, the present invention provides a kind of adhesive layer, and it is to make containing propylene
The adhesive composition crosslinking of acids polymers forms, wherein,
Described adhesive composition includes: as acid number be less than 0.1 and weight average molecular weight be 1,000,000 with
On the acrylic polymer of copolymer；And (3) are as the isocyanate compound of cross-linking agent,
Described acrylic polymer contains (1) being selected from by alkane as (methyl) acrylate monomer
The carbon number of base is (methyl) alkyl acrylate monomer of C1～C14 and containing (methyl) of aryl
More than at least one in the monomer group that acrylate monomer is formed, and adding up to the institute of 100 weight portions
State in (methyl) acrylate monomer, containing butyl acrylate more than at least 30 weight portions,
And, described acrylic polymer does not contains carboxylic combined polymerization sex ethylene base monomer, but
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, containing being total to of (2) hydroxyl
Polymerizable vinyl monomer 0.1～3.5 weight portion,
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, described (3) are as handing over
The content of the isocyanate compound of connection agent is 0.01～0.8 weight portion,
And, the gel fraction after the crosslinking of described adhesive layer is 40～75%, the thickness of described adhesive layer
Degree is 1 μm～25 μm, and the cohesive force of the adhesive layer of thickness 25 μm is 1.5～6.0N/25mm.
It addition, in foregoing adhesives compositions, relative to aforementioned (methyl) that add up to 100 weight portions
Acrylate monomer, preferably comprises (4) silane coupler of 0.01～0.5 weight portion.
Additionally, it is preferred that the isocyanate compound in foregoing adhesives compositions is toluene di-isocyanate(TDI)
Trimethylolpropane addition product.
Additionally, it is preferred that the combined polymerization sex ethylene base monomer of (2) hydroxyl in foregoing adhesives compositions
It is selected from by (methyl) acrylic acid 8-hydroxyl monooctyl ester, (methyl) acrylic acid own ester of 6-hydroxyl, (first
Base) in the compound group that formed of acrylic acid 4-hydroxybutyl, (methyl) acrylic acid 2-hydroxy methacrylate
More than at least one.
Additionally, it is preferred that by foregoing adhesives laminating together in bonding after 70 DEG C × 10 days after adherend
Power is 1.5～10N/25mm.
It addition, the present invention provides a kind of adhesive film, its form foregoing adhesives layer at the one side of mold release film and
Become and have the composition of mold release film/adhesive layer/mold release film.
It addition, the present invention provides a kind of adhesive film, its state adhesive layer at the one side upper strata prestack of base material and
Become.
It addition, the present invention provides a kind of Polarizer and display floater laminating adhesive film, it use aforementioned
Adhesive film.
It addition, the present invention provides a kind of Polarizer with adhesive layer, it use aforementioned adhesive film.
It addition, the present invention provides a kind of Polarizer with adhesive layer, it use aforementioned adhesive film,
And the phase retardation film of the phase contrast with λ/4 or λ/2 is employed as constituent material.
It addition, the present invention provides a kind of blooming with adhesive layer, it is at least one of blooming
Foregoing adhesives layer it is laminated with on face.
Invention effect
Based on the present invention, it is possible to obtain and had both the viscous of flexibility, rockiness, durability and re-workability
Knot oxidant layer, and employ the adhesive film of this adhesive layer, above-mentioned adhesive layer is characterised by, with
Conventional adhesive layer compares coagulating after can becoming crosslinking in the case of reducing cross-linked dosage and amount of functional groups
The adhesive layer that glue mark is the highest.
Although the adhesive film of the present invention is thin film but have the performance of excellent re-workability and high adherence.
Detailed description of the invention
Below, based on the present invention is preferred embodiment described.
It addition, the adhesive layer of the present invention is to make the adhesive composition containing acrylic polymer cross-link
Form, wherein,
Described adhesive composition includes: be less than 0.1 as acid number and weight average molecular weight be 1,000,000 with
On the acrylic polymer of copolymer；And (3) are as the isocyanate compound of cross-linking agent,
Described acrylic polymer contains (1) being selected from by alkane as (methyl) acrylate monomer
The carbon number of base is (methyl) alkyl acrylate monomer of C1～C14 and containing (methyl) of aryl
More than at least one in the monomer group that acrylate monomer is formed, and adding up to the institute of 100 weight portions
State in (methyl) acrylate monomer, containing butyl acrylate more than at least 30 weight portions,
And, described acrylic polymer does not contains carboxylic combined polymerization sex ethylene base monomer, but
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, containing being total to of (2) hydroxyl
Polymerizable vinyl monomer 0.1～3.5 weight portion,
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, described (3) are as handing over
The content of the isocyanate compound of connection agent is 0.01～0.8 weight portion,
And, the gel fraction after the crosslinking of described adhesive layer is 40～75%, the thickness of described adhesive layer
Degree is 1 μm～25 μm, and the cohesive force of the adhesive layer of thickness 25 μm is 1.5～6.0N/25mm.
In the adhesive composition of the present invention, as (methyl) that carbon number is C1～C14 of alkyl
Alkyl acrylate monomer, can enumerate: (methyl) acrylic acid methyl ester., (methyl) ethyl acrylate,
(methyl) propyl acrylate, (methyl) isopropyl acrylate, (methyl) butyl acrylate, (first
Base) Isobutyl 2-propenoate, (methyl) amyl acrylate, (methyl) Hexyl 2-propenoate, (methyl)
Heptylacrylate, (methyl) 1-Octyl acrylate, (methyl) Isooctyl acrylate monomer, (methyl) propylene
Acid 2-Octyl Nitrite, (methyl) acrylic acid nonyl ester, (methyl) acrylic acid different nonyl ester, (methyl) third
Olefin(e) acid ester in the last of the ten Heavenly stems, (methyl) acrylic acid undecyl ester, (methyl) dodecylacrylate, (first
Base) tridecyl acrylate, (methyl) acrylic acid myristyl ester, (methyl) acrylic acid ring penta
More than at least one in ester, (methyl) cyclohexyl acrylate etc..(methyl) alkyl acrylate list
Alkyl in body can be straight-chain, branched, ring-type in any one.
In (methyl) acrylate monomer adding up to 100 weight portions, the preferably carbon number of alkyl is
The total content of (methyl) alkyl acrylate monomer of C1～C14 is more than 70 weight portions, it is also possible to
It is 100 weight portions.Acrylic polymer (copolymer) 100 weight relative to adhesive composition
Part, the preferably carbon number of alkyl are that the ratio of (methyl) alkyl acrylate monomer of C1～C14 is
50～99.9 weight portions.In the present invention, using butyl acrylate as required monomer.Adding up to 100 weights
In (methyl) acrylate monomer of amount part, preferably the content of butyl acrylate be at least 30 weight portions with
On.
It addition, in the present invention, for adhesive composition, by add up to 100 weight portions by
The carbon number of alkyl is more than one compositions in (methyl) alkyl acrylate monomer of C1～C14
The content of (methyl) acrylate monomer inner acrylic methylmethacrylate monomer be more than 20 weight portions, it is possible to will
The refractive index of adhesive layer brings up to more than 1.47.
In the adhesive composition of the present invention, as (methyl) acrylate monomer, additionally it is possible to have and contain
More than one in (methyl) acrylate monomer of aryl.As (methyl) acrylic acid containing aryl
Ester monomer, can enumerate (methyl) benzyl acrylate, (methyl) acrylic acid naphthalene ester, (methyl) third
Olefin(e) acid ethyl phenoxy, (methyl) acrylic acid benzene oxygen butyl ester, (methyl) acrylic acid 2-(1-naphthoxy)
Ethyl ester, (methyl) acrylic acid 2-(2-naphthoxy) ethyl ester, (methyl) acrylic acid 6-(1-naphthoxy)
Own ester, (methyl) acrylic acid 6-(2-naphthoxy) own ester, (methyl) acrylic acid 8-(1-naphthoxy)
Monooctyl ester, (methyl) acrylic acid 8-(2-naphthoxy) monooctyl ester etc..The binding agent high in order to obtain refractive index
Layer, preferably coordinates at least more than one (methyl) acrylate monomer containing aryl.
It is C1～C14 by these being contained (methyl) acrylate monomers of aryl with the carbon number of alkyl
(methyl) alkyl acrylate monomer mixed, it is possible to make the refractive index of obtained adhesive layer
Improve and be adjusted, reduce the refractivity between optics, reduce total reflection, it is possible to improve
Total light transmittance.In the adhesive layer of the present invention, when adhesive composition includes the (first containing aryl
Base) acrylate monomer time, add up to 100 weight portions (methyl) acrylate monomer in, preferably
The content of (methyl) acrylate monomer containing aryl is 5～30 weight portions.
It addition, by making (methyl) acrylate monomer containing aryl carry out copolymerization, and adding up to 100
Above-mentioned (methyl) acrylate monomer of weight portion is contained within the methacrylate monomer of more than 20 weight portions
And the effect improving the refractive index of adhesive layer is compared, it is possible to improve the refractive index of adhesive layer further.
It addition, as it has been described above, as improving the method for refractive index of adhesive layer, including the following two kinds side
Method: be contained within the propylene of more than 20 weight portions at (methyl) acrylate monomer adding up to 100 weight portions
The method of acid methylmethacrylate monomer；And, make (methyl) acrylate monomer containing aryl carry out the side of copolymerization
Method.Can individually use each method, but more preferably and use above two method.
In the adhesive composition of the present invention, acrylic polymer does not wraps as the monomer containing functional group
Include carboxylic combined polymerization sex ethylene base monomer, and include the combined polymerization sex ethylene base monomer of hydroxyl.Make
For the monomer containing functional group, it is also possible to only use the combined polymerization sex ethylene base monomer of hydroxyl.
As the combined polymerization sex ethylene base monomer of hydroxyl, for example, it is possible to enumerate: (methyl) acrylic acid
8-hydroxyl monooctyl ester, (methyl) acrylic acid own ester of 6-hydroxyl, (methyl) acrylic acid 4-hydroxybutyl, (first
Base) (methyl) alkyl-acrylates of hydroxyl of acrylic acid 2-hydroxy methacrylate etc.；N-hydroxyl (first
Base) acrylamide, N-methylol (methyl) acrylamide, N-ethoxy (methyl) acrylamide etc.
(methyl) acrylic amide of hydroxyl etc. at least one more than.
Wherein, preferably the combined polymerization sex ethylene base monomer of hydroxyl is to be selected from by (methyl) acrylic acid 8-
Hydroxyl monooctyl ester, (methyl) acrylic acid own ester of 6-hydroxyl, (methyl) acrylic acid 4-hydroxybutyl, (first
Base) more than at least one in the compound group that formed of acrylic acid 2-hydroxy methacrylate.
It addition, in the adhesive layer of the present invention, the combined polymerization of the hydroxyl contained by adhesive composition
Vinyl monomer, it is possible to as the combined polymerization for reducing carboxylic combined polymerization sex ethylene base content of monomer
Sex ethylene base monomer uses, and described carboxylic combined polymerization sex ethylene base monomer makes obtained bonding
Oxidant layer produces corrosive effects to corrosion-prone adherend such as the ITO surfaces of transparent and electrically conductive film.Therefore,
The combined polymerization sex ethylene base monomer of hydroxyl can aid in and improves the cohesive force of adhesive layer and reduce corruption
Erosion property.In the adhesive layer of the present invention, relative to (methyl) acrylate adding up to 100 weight portions
Monomer, in preferred binder compositions, the content of the combined polymerization sex ethylene base monomer of hydroxyl is 0.1～3.5
Weight portion.
The acrylic polymer of the adhesive composition used in the adhesive layer of the present invention, is that acid number is
Less than 0.1 and weight average molecular weight be the copolymer of more than 1,000,000, it comprises (1) as (methyl) third
Being selected from by (methyl) alkyl acrylate that the carbon number of alkyl is C1～C14 of alkene acid ester monomer
More than at least one in the monomer group that monomer and (methyl) acrylate monomer containing aryl are formed,
And within adding up to (methyl) acrylate monomer described in 100 weight portions, the content of butyl acrylate is
More than at least 30 weight portions,
And, described acrylic polymer does not contains carboxylic combined polymerization sex ethylene base monomer, but
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, containing being total to of (2) hydroxyl
Polymerizable vinyl monomer 0.1～3.5 weight portion.
To the polymerization of copolymer, there is no particular limitation, it is possible to use solution polymerization process, emulsion are polymerized
The known polymerization that method etc. are suitable.Foregoing acrylic polymer, preferably comprises (methyl) propylene
Acrylic monomer 50～100 weight % of acid ester monomer or (methyl) acrylic amide etc..
Described adhesive composition, can be by coordinating cross-linking agent, suitable in aforesaid propylene acids polymers
Any additive adjust the characteristic of required physics value etc..
As (3) cross-linking agent, can enumerate: hexamethylene diisocyanate, isophorone diisocyanate,
Two isocyanides of methyl diphenylene diisocyanate, toluene di-isocyanate(TDI), xylylene diisocyanate etc.
The biuret modified body of esters of gallic acid or isocyanurate-modified body, with trimethylolpropane or glycerol etc. three
More than at least one in the polyisocyanate compounds of the addition product etc. of polyhydric alcohol more than valency.Preferably third
Olefin(e) acid base polymer contains hydroxyl as carrying out cross-linking reaction with the isocyanate compound of cross-linking agent
Functional group, additionally, it is preferred that containing the monomer on side chain with these functional groups.It addition, relative to total
(methyl) acrylate monomer of 100 weight portions, preferred binder compositions contains 0.01～0.8 weight
The isocyanate compound of part.As (3) cross-linking agent, it is also possible to only use isocyanate compound.Make
Different for the addition product of isocyanate compound, preferably toluene di-isocyanate(TDI), particularly preferably toluene two
The trimethylolpropane addition product of cyanate.
Preferably foregoing adhesives compositions is possibly together with (4) silane coupler.As (4) silane coupler,
Can enumerate: there is in 1 molecule at least one organo-functional group and at least one water-disintegrable base, and described
Water-disintegrable base is the compound of the alkoxyl etc. being incorporated into silicon atom.The most described silane coupler has choosing
From at least one in the group being made up of epoxy radicals, (methyl) acryloxy, sulfydryl, amino
Organo-functional group.Here, (methyl) acryloxy refers to acryloxy (CH2=CHCOO-)
Or methacryloxy (CH2=C (CH3)COO-)。
As having the silane coupler of epoxy radicals, can enumerate: 3-glycidoxypropyl group trimethoxy silicon
Alkane, 3-glycidoxypropyl diethoxy silane, 3-glycidoxypropyl dimethoxy silicon
Alkane, 3-glycidoxypropyl group triethoxysilane, 2-(3,4-epoxycyclohexyl) ethyl trimethoxy silane,
2-(3,4-epoxycyclohexyl) ethyl-methyl dimethoxysilane, 2-(3,4-epoxycyclohexyl) ethyl-methyl diethyl
TMOS, 2-(3,4-epoxycyclohexyl) ethyl triethoxysilane, 5,6-epoxyhexyl trimethoxy silane,
5,6-epoxyhexyl methyl dimethoxysilane, 5,6-epoxyhexyl methyldiethoxysilane, 5,6-epoxy
Hexyl triethoxysilane etc..
As having the silane coupler of (methyl) acryloxy, can enumerate: 3-(methyl) propylene
Acryloxypropylethoxysilane trimethoxy silane, 3-(methyl) acryloxypropyl dimethoxysilane,
3-(methyl) acryloxypropyl triethoxysilane, 3-(methyl) acryloxypropyl two
Ethoxysilane, 3-(methyl) acryloxypropyl dimethylethoxysilane, 3-(methyl) propylene
Dimethylsilane methoxy silane etc..
As having the silane coupler of sulfydryl, can enumerate: 3-mercaptopropyi methyl dimethoxysilane,
3-mercaptopropyi trimethoxy silane, 3-mercaptopropyi methyldiethoxysilane, 3-mercaptopropyi three ethoxy
Base silane etc..
As having the silane coupler of amino, can enumerate: 3-TSL 8330,3-amino
Propyl-triethoxysilicane, N-phenyl-3-TSL 8330, N-2-(aminoethyl)-3-amino
Hydroxypropyl methyl dimethoxysilane, N-2-(amino-ethyl)-3-amino propyl methyl diethoxy silane,
N-2-(amino-ethyl)-3-TSL 8330, N-2-(amino-ethyl)-3-aminopropyl three ethoxy
Base silane, 3-(methylamino) propyl trimethoxy silicane, 3-(methylamino) propyl-triethoxysilicane etc..
Alternatively, it is also possible to by containing described organo-functional group and the alkoxyl oligomer (silicon that carries out oligomerization
Alkoxyl oligomer) etc. as silane coupler.
For the content of (4) silane coupler, relative to (methyl) propylene adding up to 100 weight portions
The content of acid ester monomer, preferably silane coupler is 0.01～0.5 weight portion.
As other any composition, antioxidant, surfactant, solidification can be coordinated aptly to promote
Agent, plasticizer, filler, crosslinking catalyst, cross-linked inhibitor, curing inhibitors, processing aid,
The known additive such as age resister.These both may be used singly or in combination of two or more use.
The adhesive layer of the present invention can be by being coated with above-mentioned adhesive composition on base material or mold release film
After, make adhesive composition crosslinking obtain.Preferably the gel fraction of adhesive layer after crosslinking be 40～
75%.
In the case of interlayer laminating for optics etc., it is desirable to be thin adhesive layer, preferably before
The thickness stating adhesive layer is 1 μm～25 μm, more preferably 5 μm～25 μm.It addition, usual binding agent
The cohesive force of layer is generally proportionate with the thickness of adhesive layer, but the adhesive layer of preferred thickness 25 μm
Cohesive force is 1.5～6.0N/25mm.Further, preferably adhesive layer is fitted in after adherend
Cohesive force after 70 DEG C × 10 days is 1.5～10N/25mm.As adherend, alkali-free glass can be enumerated
The glass plate of glass etc., resin molding etc..
In the case of interlayer laminating that the adhesive layer of the present invention is used for optics etc., in order to reduce
Adhesive layer and the light line reflection on the interface of optics, it is desirable to refractivity is the least.Therefore,
The refractive index of above-mentioned adhesive layer is preferably 1.47～1.50.
The adhesive film of the present invention can come by forming the adhesive layer of the present invention at the one side of base material or mold release film
Manufacture.
As base material film or the mold release film (barrier film) of protection adhesive surface for forming adhesive layer, permissible
Use the resin moldings etc. such as polyester film.
For base material film, can implement on the face contrary with being formed with adhesive layer side of resin molding
The antifouling process carried out by silicone, the releasing agent of fluorine class or coating agent, silicon dioxide microparticle etc., can
Implement the coating by antistatic additive or the antistatic treatment carried out such as be mixed into.
For mold release film, on the face that the adhesive surface with adhesive layer carries out laminating side, implement to pass through
The demoulding that silicone, the releasing agent etc. of fluorine class are carried out processes.
By the face implementing demoulding process of mold release film of fitting respectively on the two sides of an adhesive layer, energy
Enough compositions forming " mold release film/adhesive layer/mold release film ".In the case, by by the demoulding of both sides
Film is sequentially or simultaneously peeled off and is exposed adhesive surface, it is possible to optical member adherings such as bloomings.As optics
Film, can enumerate light polarizing film, phase retardation film, antireflection film, anti-dazzle (anti-glare) film, ultraviolet
Absorbing film, infrared absorbing film, optical compensation films, brightness enhancement film etc..
The adhesive film of the present invention can be used for the various light of peripheral components of the liquid crystal display based on Polarizer
Learn film, touch panel various bloomings, the various bloomings of Electronic Paper, the various blooming of organic EL
Deng laminating in.
It addition, stacked at least one side upper strata of these bloomings adhesive layer can be stated and manufactures with bonding
The blooming of oxidant layer.Specifically, can enumerate " blooming/adhesive layer/blooming ", " blooming/
Adhesive layer/mold release film ", " blooming/adhesive layer ", " blooming/adhesive layer/blooming/bonding
Oxidant layer/blooming ", " blooming/adhesive layer/blooming/adhesive layer/mold release film ", " mold release film/
Adhesive layer/blooming/adhesive layer/mold release film " etc. composition.
Such as, such as " blooming/adhesive layer/mold release film ", there is the adhesive layer protected by mold release film
In the case of, adhesive layer as " blooming/adhesive layer " is exposed by peeling mold release film off,
And fit with other blooming, it is possible to obtain being used for adhesive layer interlayer laminating as " blooming/
Adhesive layer/blooming " composition.
The adhesive film of the present invention is preferably used in the laminating of Polarizer and display floater.Such as, by with
Make the adhesive layer of the Polarizer with adhesive layer.Constituent material as Polarizer, it is possible to use tool
There is the phase retardation film of the phase contrast of λ/4 or λ/2.
Embodiment
Below, the present invention is illustrated based on embodiment.
<manufacture of acrylic polymer>
[embodiment 1]
Nitrogen is imported in the reaction unit being furnished with agitator, thermometer, reflux condenser and nitrogen ingress pipe,
Thus the air in reaction unit has been replaced with nitrogen.Then, in reaction unit, 100 weight are added
The butyl acrylate of part, the acrylic acid 8-hydroxyl monooctyl ester of 0.2 weight portion, and it has been simultaneously introduced 60 weight portions
Solvent (ethyl acetate).Then, instilled through 2 hours 0.1 weight portion as polymerization initiator
Azodiisobutyronitrile, makes it react 6 hours at 65 DEG C, it is thus achieved that weight average molecular weight is more than 1,000,000
, for the acrylic polymer solution 1 of embodiment 1.Take a part for acrylic polymer, make
Use for acid value measuring sample described later.
[embodiment 2～5 and comparative example 1～3]
In addition to have adjusted the composition of each monomer as described in (1) in table 1 is organized and (2) are organized respectively,
With above-mentioned for the acrylic polymer solution 1 of embodiment 1 in the same manner as operate, it is thus achieved that be used for
Embodiment 2～5 and comparative example 1～3 in acrylic polymer solution.Although it addition, the most especially
Measurement result is shown, but, embodiment 2～5 and the acrylic polymer solution of comparative example 1～3
In the weight average molecular weight of acrylic polymer that contains be more than 1,000,000.
<manufacture of adhesive composition, adhesive layer and adhesive film>
[embodiment 1]
In the acrylic polymer solution 1 of embodiment 1 fabricated as described above, add 0.2 weight portion
Coronate L (U ロ ネ ト the L) (trihydroxy methyl of toluene di-isocyanate(TDI) (TDI) compound
Propane (TMP) addition product), KBM-403 (the 3-glycidoxypropyl group trimethoxy of 0.05 weight portion
Base silane) and it is stirred mixing, obtain the adhesive composition of embodiment 1.By this binding agent group
Compound, is coated on polyethylene terephthalate (PET) film by having been coated with silicone resin and constitutes
After in mold release film, it is dried at a temperature of 90 DEG C and removes solvent, then, at 23 DEG C, 50%RH
In the environment of ripening 7 days, thus obtain to have on the one side of mold release film and make adhesive composition cross-link
The adhesive film of embodiment 1 of adhesive layer of thickness 25 μm.
[embodiment 2～5 and comparative example 1～3]
Have adjusted in addition to the composition of additive as described in organizing such as (3) of table 1 group and (4) respectively,
Operate in the same manner as the adhesive film of above-described embodiment 1, obtained embodiment 2～5 and comparative example 1～3
Adhesive film.
Table 1
In table 1, the numeric representation in bracket is obtained so that the total weight that (1) is organized is set to 100 weight portions
(2) group～(4) numerical value of weight portion of organizing, using the interpolation ratio organized as (2) group～(4).
It addition, the compound name corresponding with the abbreviation of each composition used in table 1 is shown in Table 2.
Additionally, Coronate (U ロ ネ ト, registered trade mark) L is Nippon Polyurethane Industry Co., Ltd. (Nippon
Polyurethane Industry Co., Ltd.) trade name, D-110N is Mitsui Chemicals, Inc
Trade name, KBM-403 and KBM-803 is the trade name of Shin-Etsu Chemial Co., Ltd.TDI
Fingernail phenylene diisocyanate, TMP refers to that trimethylolpropane, XDI refer to xylylene diisocyanate.Table
1 and table 2 in, by the combined polymerization sex ethylene base monomer of carboxylic combined polymerization sex ethylene base monomer Yu hydroxyl
Together charge in (2) group.
Table 2
<test method and evaluation>
From embodiment 1～5 and the adhesive film of comparative example 1～3 peel mold release film off and (scribble the PET of silicone resin
Film) and expose adhesive layer, and adhesive layer is transferred on the one side of Polarizer (film).
The assay method ＞ of ＜ cohesive force
The adhesive layer of thickness 25 μm is transferred to the one side of the Polarizer (film) of thickness 180 μm, from
And obtained the adhesive film (with the blooming of adhesive layer) as sample.
By hold-down roller, obtained adhesive film is fitted in the non-stannum face of the alkali-free glass cleaned with acetone
On, 50 DEG C, carry out pressure cooker process under conditions of 0.5MPa × 20 minute after, recover extremely
In the environment of 23 DEG C × 50%RH, have passed through 1 hour.By the peel strength of adhesive film hereafter, with drawing
Stretch testing machine and be measured according to JIS Z0237 " adhesive tape, bonding sheet test method ", will be with
The peel strength when speed of 300mm/min is peeled off to 180 ° of directions is as adhesive layer viscous of adhesive film
Knot power (N/25mm).
The assay method ＞ of ＜ acid number
Obtain the acid number of acrylic polymer as described below: by sample dissolution in solvent (by diethyl ether
Carry out, with ethanol, the solvent that mixes with volume ratio 2:1) in, use potential difference automatic titration device (AT-610,
Capital of a country electronics industry Co., Ltd. manufactures), carry out with the potassium hydroxide-ethanol solution of concentration about 0.1mol/L
Potential difference titrates, and determines the amount for neutralizing the potassium hydroxide-ethanol solution needed for sample.Then, root
Acid number is obtained according to following formula.
Acid number=(B × f × 5.611)/S
The amount (mL) of the 0.1mol/L potassium hydroxide-ethanol solution used in B=titration
The coefficient (factor) of f=0.1mol/L potassium hydroxide-ethanol solution
The quality (g) of the solid constituent of S=sample
<assay method of gel fraction>
The quality measuring sample after accurately measuring aging end and before laminating Polarizer, and at toluene
Middle dipping, after 24 hours, is filtered by the metal gauze of 200 sieve meshes.Then, dry at 100 DEG C
Dry filtrate, after 1 hour, accurately measures the quality of residue, and calculates adhesive layer according to following formula
The gel fraction of (binding agent after crosslinking).
Gel fraction (%)=insoluble part mass (g)/binding agent quality (g) × 100
<test method of durability>
The adhesive film square for 10cm that the method as when measuring cohesive force will be used to prepare, with same
Method is fitted in prepares sample on the non-stannum face of alkali-free glass, and this sample is placed on the environment of regulation
(80 DEG C of dry environments or the environment of 60 DEG C × 90%RH), after lower 250 hours, is taken out to
The environment of 23 DEG C × 50%RH, by the state of the adhesive film after visualization 1 hour, thus judges durable
Property.
Zero: adhesive film is entirely without being peeling and foaming.
A part for △: adhesive film creates stripping and foaming.
×: the entirety of adhesive film creates stripping and foaming.
<test method of re-workability>
The adhesive film square for 10cm that the method as when measuring cohesive force will be used to prepare, with same
Method is fitted in prepares sample, in the environment of this sample is placed on 70 DEG C on the non-stannum face of alkali-free glass
After 10 days, in the environment of being taken out to 23 DEG C, the cohesive force of the adhesive film after placing 1 hour is measured
Thus judge re-workability.
Cohesive force after zero: 70 DEG C × 10 days is 1.5～10N/25mm.
Cohesive force after △: 70 DEG C × 10 days is more than 10N/25mm but at below 20N/25mm.
×: the cohesive force after 70 DEG C × 10 days is more than 20N/25mm (cannot peel).
Evaluation result is shown in Table 3.About acid number, confirm: not there is carboxylic combined polymerization
The embodiment 1 of vinyl monomer～5 and the acid number of acrylic polymer of comparative example 2,3 be less than 0.1,
The acid number of the acrylic polymer with the comparative example 1 of carboxylic combined polymerization sex ethylene base monomer is more than
0.1。
Table 3
In the adhesive film of embodiment 1～5, the cohesive force of the adhesive layer of 25 μ m thick be 1.5～
The scope of 6.0N/25mm, the gel fraction of the adhesive layer after crosslinking is 40～75%, and cohesive
And excellent durability.It addition, after fitting in adherend cohesive force after 70 DEG C × 10 days be 1.5～
The scope of 10N/25mm, therefore, re-workability is the most excellent.That is, the adhesive film of embodiment 1～5 can
Meet necessary requirement and problems of the prior art can be overcome.
The adhesive film of comparative example 1, may is that because as (methyl) acrylate monomer without acrylic acid
Butyl ester, and as the monomer containing functional group, there is carboxylic combined polymerization sex ethylene base monomer, and gel divides
The reason that number is high, the cohesive force of the adhesive layer of its thickness 25 μm is strong, and at 60 DEG C × 90%RH ring
Durability and re-workability under border are poor.
The adhesive film of comparative example 2, may is that because of the combined polymerization sex ethylene of hydroxyl in adhesive composition
The use level of base the monomer too much high reason of gel fraction, the durability under its 60 DEG C × 90%RH environment
Difference, and durability and the re-workability under 80 DEG C of dry environments is the most slightly worse.
The adhesive film of comparative example 3, because neither having carboxylic combined polymerization second in adhesive composition
Alkenyl monomer does not the most have the reason of the combined polymerization sex ethylene base monomer of hydroxyl, its acrylic polymer
Not crosslinking and gel fraction is 0, the cohesive force of the adhesive layer of thickness 25 μm is the strongest.Its result
It is that durability and re-workability are poor.
So, the adhesive film of comparative example 1～3 cannot meet conventional proposed requirement and overcome in the past
The problem existed.
Claims (11)
1. an adhesive layer, makes the crosslinking of the adhesive composition containing acrylic polymer form, its
In,
Described adhesive composition includes: as acid number be less than 0.1 and weight average molecular weight be 1,000,000 with
On the acrylic polymer of copolymer；And (3) are as the isocyanate compound of cross-linking agent,
Described acrylic polymer contains (1) being selected from by alkane as (methyl) acrylate monomer
The carbon number of base is (methyl) alkyl acrylate monomer of C1～C14 and containing (methyl) of aryl
More than at least one in the monomer group that acrylate monomer is formed, and adding up to the institute of 100 weight portions
State in (methyl) acrylate monomer, containing butyl acrylate more than at least 30 weight portions,
And, described acrylic polymer does not contains carboxylic combined polymerization sex ethylene base monomer, but
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, containing being total to of (2) hydroxyl
Polymerizable vinyl monomer 0.1～3.5 weight portion,
Relative to adding up to (methyl) acrylate monomer described in 100 weight portions, described (3) are as handing over
The content of the isocyanate compound of connection agent is 0.01～0.8 weight portion,
And, the gel fraction after the crosslinking of described adhesive layer is 40～75%, the thickness of described adhesive layer
Degree is 1 μm～25 μm, and the cohesive force of the adhesive layer of thickness 25 μm is 1.5～6.0N/25mm.
2. adhesive layer as claimed in claim 1, wherein,
In described adhesive composition, relative to adding up to (methyl) acrylic acid described in 100 weight portions
Ester monomer, (4) silane coupler containing 0.01～0.5 weight portion.
3. adhesive layer as claimed in claim 1 or 2, wherein,
Isocyanate compound in described adhesive composition is the trihydroxy methyl third of toluene di-isocyanate(TDI)
Alkane addition product.
4. the adhesive layer as according to any one of claims 1 to 3, wherein,
The combined polymerization sex ethylene base monomer of (2) hydroxyl in described adhesive composition is selected from by (first
Base) acrylic acid 8-hydroxyl monooctyl ester, (methyl) acrylic acid own ester of 6-hydroxyl, (methyl) acrylic acid 4-hydroxyl
More than at least one in the compound group that base butyl ester, (methyl) acrylic acid 2-hydroxy methacrylate are formed.
5. the adhesive layer as according to any one of Claims 1 to 4, wherein,
After described adhesive layer is fitted in adherend cohesive force after 70 DEG C × 10 days be 1.5～
10N/25mm。
6. an adhesive film, it is according to any one of the one side formation Claims 1 to 5 of mold release film
Adhesive layer form, and there is the composition of mold release film/adhesive layer/mold release film.
7. an adhesive film, it is to be laminated with institute any one of Claims 1 to 5 on the one side of base material
The adhesive layer stated.
8. Polarizer and a display floater laminating adhesive film, it uses gluing described in claim 6
Conjunctiva.
9., with a Polarizer for adhesive layer, it use the adhesive film described in claim 6.
10., with a Polarizer for adhesive layer, it use the adhesive film described in claim 6,
And the phase retardation film of the phase contrast with λ/4 or λ/2 is employed as constituent material.
11. 1 kinds of bloomings with adhesive layer, it is laminated with power at least one face of blooming
Profit requires the adhesive layer according to any one of 1～5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-160623 | 2014-08-06 | ||
| JP2014160623A JP6620325B2 (en) | 2014-08-06 | 2014-08-06 | Adhesive layer and adhesive film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106189943A true CN106189943A (en) | 2016-12-07 |
| CN106189943B CN106189943B (en) | 2020-02-11 |
Family
ID=55448054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510249974.8A Active CN106189943B (en) | 2014-08-06 | 2015-05-15 | Adhesive composition and adhesive film |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6620325B2 (en) |
| KR (5) | KR101953572B1 (en) |
| CN (1) | CN106189943B (en) |
| TW (1) | TWI704201B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072020A (en) * | 2016-04-28 | 2018-12-21 | 日本瑞翁株式会社 | Self adhesion layer |
| CN110396383A (en) * | 2018-04-25 | 2019-11-01 | 藤森工业株式会社 | Adhesion agent composition and adhesive film |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6620325B2 (en) * | 2014-08-06 | 2019-12-18 | 藤森工業株式会社 | Adhesive layer and adhesive film |
| JP6700032B2 (en) * | 2015-12-15 | 2020-05-27 | 住友化学株式会社 | Optical film with pressure-sensitive adhesive layer and optical laminate |
| JP6615597B2 (en) * | 2015-12-15 | 2019-12-04 | 住友化学株式会社 | Adhesive composition |
| JP6745596B2 (en) * | 2015-12-15 | 2020-08-26 | 住友化学株式会社 | Adhesive composition |
| JP6721326B2 (en) * | 2015-12-15 | 2020-07-15 | 住友化学株式会社 | Adhesive composition |
| JP6390661B2 (en) * | 2016-04-19 | 2018-09-19 | 東洋インキＳｃホールディングス株式会社 | Adhesive and adhesive sheet |
| JP6912627B2 (en) * | 2018-12-27 | 2021-08-04 | 藤森工業株式会社 | Adhesive layer and optical film with adhesive layer |
| JP6912628B2 (en) * | 2018-12-27 | 2021-08-04 | 藤森工業株式会社 | Adhesive layer and optical film with adhesive layer |
| JP7121171B2 (en) * | 2020-05-07 | 2022-08-17 | 藤森工業株式会社 | Adhesive layer and optical film with adhesive layer |
| JP7132402B2 (en) | 2020-05-07 | 2022-09-06 | 藤森工業株式会社 | Adhesive layer and optical film with adhesive layer |
| JP7339323B2 (en) | 2020-06-16 | 2023-09-05 | 藤森工業株式会社 | Optical film with adhesive layer |
| JP7339322B2 (en) | 2020-07-27 | 2023-09-05 | 藤森工業株式会社 | Optical film with adhesive layer |
| JP7001771B2 (en) | 2020-07-27 | 2022-01-20 | 藤森工業株式会社 | Adhesive layer and adhesive film |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997921A (en) * | 2004-07-22 | 2007-07-11 | 综研化学株式会社 | Adhesive composition for polarizing plate and polarizing plate |
| CN103013401A (en) * | 2011-09-20 | 2013-04-03 | 藤森工业株式会社 | Adhesive composition and adhesive film |
| CN103865410A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103865445A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103937416A (en) * | 2013-01-17 | 2014-07-23 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103980844A (en) * | 2013-02-13 | 2014-08-13 | 琳得科株式会社 | Pressure sensitive adhesion composition, pressure sensitive adhesive and pressure sensitive adhesion sheet |
| CN104231950A (en) * | 2013-06-21 | 2014-12-24 | 日东电工株式会社 | Adhesive layer for optical applications, adhesive layer-attached optical film and image display device |
| CN104592905A (en) * | 2013-10-31 | 2015-05-06 | 藤森工业株式会社 | Light-diffusing adhesive layer and light-diffusing adhesive film |
| CN104694052A (en) * | 2013-12-10 | 2015-06-10 | 藤森工业株式会社 | Light-diffusing adhesive layer and light-diffusing adhesive film |
| CN104804679A (en) * | 2014-01-28 | 2015-07-29 | 藤森工业株式会社 | Photodiffusion binder layer, and photodiffusion binding film |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006293281A (en) | 2005-03-17 | 2006-10-26 | Seiko Epson Corp | Optical component and projector |
| JP4800722B2 (en) | 2005-09-26 | 2011-10-26 | 日東電工株式会社 | Optical pressure-sensitive adhesive composition, optical pressure-sensitive adhesive layer, optical member with a pressure-sensitive adhesive layer, method for producing the same, and image display device |
| JP2009091522A (en) | 2007-10-12 | 2009-04-30 | Toyo Ink Mfg Co Ltd | Adhesive composition and laminate obtained by using the same |
| JP5340649B2 (en) * | 2007-10-22 | 2013-11-13 | 日東電工株式会社 | Optical film pressure-sensitive adhesive composition, optical film pressure-sensitive adhesive layer, production method thereof, pressure-sensitive adhesive optical film, and image display device |
| JP2009126929A (en) * | 2007-11-22 | 2009-06-11 | Cheil Industries Inc | Adhesive composition, optical member and surface protective sheet |
| JP5379409B2 (en) * | 2008-02-15 | 2013-12-25 | 日東電工株式会社 | Adhesive composition for optical film, adhesive optical film, and image display device |
| JP5455362B2 (en) * | 2008-12-25 | 2014-03-26 | チェイル インダストリーズ インコーポレイテッド | Adhesive composition and optical member using the same |
| JP5187973B2 (en) * | 2009-04-30 | 2013-04-24 | 日東電工株式会社 | Optical film adhesive composition, optical film adhesive layer, adhesive optical film, and image display device |
| JP5524640B2 (en) | 2010-01-26 | 2014-06-18 | 大王製紙株式会社 | Adhesive sheet |
| JP2012021148A (en) | 2010-06-16 | 2012-02-02 | Nippon Synthetic Chem Ind Co Ltd:The | Pressure-sensitive adhesive, pressure-sensitive adhesive for optical member, optical member with pressure-sensitive adhesive layer and image display device |
| JP5725760B2 (en) * | 2010-08-19 | 2015-05-27 | 大同化成工業株式会社 | Acrylic polymer compounds used in pressure-sensitive adhesive compositions for touch panels |
| KR20120038633A (en) * | 2010-10-14 | 2012-04-24 | 동우 화인켐 주식회사 | Adhesive composition, polarizing plate and liquid crystal display device comprising the same |
| KR101795833B1 (en) * | 2010-11-02 | 2017-11-10 | 닛폰고세이가가쿠고교 가부시키가이샤 | Acrylic resin composition, acrylic adhesive, adhesive sheet, double-sided adhesive sheet, adhesive for transparent electrodes, touch-panel and image display device, as well as production method for adhesive layer-containing laminates |
| JP5583048B2 (en) | 2011-02-14 | 2014-09-03 | リンテック株式会社 | Optical pressure-sensitive adhesive composition, optical pressure-sensitive adhesive layer, and optical pressure-sensitive adhesive laminate |
| JP5614328B2 (en) | 2011-02-25 | 2014-10-29 | 藤倉化成株式会社 | Adhesive composition, adhesive film, and optical component |
| JP5760571B2 (en) | 2011-03-24 | 2015-08-12 | Dic株式会社 | Colored adhesive tape for fixing polarizing film |
| KR20130013995A (en) * | 2011-07-29 | 2013-02-06 | 동우 화인켐 주식회사 | Adhesive composition, polarizing plate and liquid crystal display device comprising the same |
| JP6620325B2 (en) * | 2014-08-06 | 2019-12-18 | 藤森工業株式会社 | Adhesive layer and adhesive film |
-
2014
- 2014-08-06 JP JP2014160623A patent/JP6620325B2/en active Active
-
2015
- 2015-05-13 KR KR1020150066495A patent/KR101953572B1/en active IP Right Grant
- 2015-05-15 CN CN201510249974.8A patent/CN106189943B/en active Active
- 2015-05-28 TW TW104117121A patent/TWI704201B/en active
-
2018
- 2018-07-12 KR KR1020180080844A patent/KR102004167B1/en active IP Right Grant
-
2019
- 2019-02-25 KR KR1020190021523A patent/KR102087610B1/en active IP Right Grant
- 2019-07-22 KR KR1020190088023A patent/KR102100625B1/en active IP Right Grant
-
2020
- 2020-04-08 KR KR1020200042470A patent/KR102226440B1/en active IP Right Grant
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997921A (en) * | 2004-07-22 | 2007-07-11 | 综研化学株式会社 | Adhesive composition for polarizing plate and polarizing plate |
| CN103013401A (en) * | 2011-09-20 | 2013-04-03 | 藤森工业株式会社 | Adhesive composition and adhesive film |
| CN103865410A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103865445A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103937416A (en) * | 2013-01-17 | 2014-07-23 | 藤森工业株式会社 | Adhesive layer and adhesive film |
| CN103980844A (en) * | 2013-02-13 | 2014-08-13 | 琳得科株式会社 | Pressure sensitive adhesion composition, pressure sensitive adhesive and pressure sensitive adhesion sheet |
| CN104231950A (en) * | 2013-06-21 | 2014-12-24 | 日东电工株式会社 | Adhesive layer for optical applications, adhesive layer-attached optical film and image display device |
| CN104592905A (en) * | 2013-10-31 | 2015-05-06 | 藤森工业株式会社 | Light-diffusing adhesive layer and light-diffusing adhesive film |
| CN104694052A (en) * | 2013-12-10 | 2015-06-10 | 藤森工业株式会社 | Light-diffusing adhesive layer and light-diffusing adhesive film |
| CN104804679A (en) * | 2014-01-28 | 2015-07-29 | 藤森工业株式会社 | Photodiffusion binder layer, and photodiffusion binding film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072020A (en) * | 2016-04-28 | 2018-12-21 | 日本瑞翁株式会社 | Self adhesion layer |
| CN110396383A (en) * | 2018-04-25 | 2019-11-01 | 藤森工业株式会社 | Adhesion agent composition and adhesive film |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102087610B1 (en) | 2020-03-11 |
| KR20190088952A (en) | 2019-07-29 |
| KR102004167B1 (en) | 2019-07-26 |
| KR101953572B1 (en) | 2019-03-04 |
| CN106189943B (en) | 2020-02-11 |
| KR20200039643A (en) | 2020-04-16 |
| JP6620325B2 (en) | 2019-12-18 |
| TWI704201B (en) | 2020-09-11 |
| TW201606014A (en) | 2016-02-16 |
| JP2016037534A (en) | 2016-03-22 |
| KR20160017597A (en) | 2016-02-16 |
| KR102100625B1 (en) | 2020-04-14 |
| KR20180084022A (en) | 2018-07-24 |
| KR20190020722A (en) | 2019-03-04 |
| KR102226440B1 (en) | 2021-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106189943A (en) | Adhesive composition and adhesive film | |
| CN106189942A (en) | Adhesive composition and adhesive film | |
| JP6703086B2 (en) | Adhesive layer and adhesive film | |
| JP6703087B2 (en) | Adhesive layer and adhesive film | |
| TWI754363B (en) | Adhesive layer and adhesive film | |
| JP6912628B2 (en) | Adhesive layer and optical film with adhesive layer | |
| CN105670536B (en) | Adhering agent layer and adhesive film | |
| JP7486553B2 (en) | Pressure-sensitive adhesive layer, polarizing plate with pressure-sensitive adhesive layer, and optical film with pressure-sensitive adhesive layer | |
| KR20150113884A (en) | Adhesive composition, adhesive polarizing plate and liquid crystal display device | |
| JP6720255B2 (en) | Adhesive layer and adhesive film | |
| JP6912627B2 (en) | Adhesive layer and optical film with adhesive layer | |
| JP2024019685A (en) | Adhesive layer and adhesive film | |
| JP7339323B2 (en) | Optical film with adhesive layer | |
| JP7339322B2 (en) | Optical film with adhesive layer | |
| WO2011136173A1 (en) | Adhesive composition for polarizing plates, polarizing plate with adhesive using same, and liquid crystal display device using same | |
| JP2019014898A (en) | Adhesive layer and adhesive film | |
| JP7486551B2 (en) | Pressure-sensitive adhesive layer, polarizing plate with pressure-sensitive adhesive layer, and optical film with pressure-sensitive adhesive layer | |
| JP2017145279A (en) | Adhesive composition for polarizing plate | |
| JP2020169327A (en) | Adhesive layer and adhesive film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |