CN106896440B - Polarizing plate - Google Patents
Polarizing plate Download PDFInfo
- Publication number
- CN106896440B CN106896440B CN201610995537.5A CN201610995537A CN106896440B CN 106896440 B CN106896440 B CN 106896440B CN 201610995537 A CN201610995537 A CN 201610995537A CN 106896440 B CN106896440 B CN 106896440B
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- Prior art keywords
- ring
- layer
- protective layer
- methyl
- group
- Prior art date
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- 239000011241 protective layer Substances 0.000 claims abstract description 57
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- 239000000654 additive Substances 0.000 claims abstract description 29
- 230000000996 additive effect Effects 0.000 claims abstract description 29
- 239000011159 matrix material Substances 0.000 claims description 28
- 230000010287 polarization Effects 0.000 claims description 28
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- 238000007756 gravure coating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000004893 oxazines Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical class OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G02B5/3041—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 comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—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 comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
A polarizing plate includes a polarizing base layer, a first protective layer, a second protective layer, and an adhesive layer. The first protective layer and the second protective layer are respectively arranged at two sides of the polarizing base layer. The first protective layer includes an additive having an aromatic heterocycle. The adhesive layer is arranged on one side of the first protective layer opposite to the polarizing base layer. The adhesive layer includes a silane coupling agent. The value of the amount of an additive/the amount of a silane coupling agent is defined to be equal to Z, 2.5< Z < 40.
Description
Technical field
The present invention relates to a kind of polarizers, and especially with regard to a kind of polarizer containing silane coupling agent.
Background technique
Polarizer has a wide range of applications.For example, liquid crystal display generally includes two polarizers, is respectively arranged at liquid
Two sides of crystal layer.By the collective effect that polarizer and liquid crystal molecule reverse, the light and shade of liquid crystal display can control.In addition,
Organic Light Emitting Diode (OLED) display then generally includes a polarizer, reduces the reflection on oled panel using circularly polarized light
Rate reduces dark-state brightness, to promote the comparison of display.The development of device (such as display) applied by cooperating, polarizer
It itself also needs correspondingly to be adjusted.This can usually reach by the ingredient for adjusting its each layer.When in order to reach certain characteristic
It is required that and when making adjustment for a certain layer of polarizer, other layers of polarizer may be also required to correspondingly adjust, to reach
The result of optimization.
Summary of the invention
The present invention provides a kind of polarizer, with good weatherability.
According to some embodiments, polarizer includes a polarization matrix layer, one first protective layer, one second protective layer and one
Adhesive layer.First protective layer and the second protective layer are respectively arranged at two sides of polarization matrix layer.First protective layer adds including one
Add agent, which has aromatic heterocycle.Adhesive layer is configured at side of first protective layer relative to polarization matrix layer.It is glutinous
Oxidant layer include silane coupling agent.The value for defining one content/silane coupling agent, one content of additive is equal to Z, 2.5 < Z < 40.
According to some embodiments, wherein aromatic heterocycle is single Yuan ring, double Yuans rings or three-membered ring.
According to some embodiments, wherein aromatic heterocycle includes at least one selected from the group as composed by the following option
Person: furan nucleus, thiphene ring, pyrrole ring, azoles ring, isoxazole ring, thiazole ring, isothiazole ring, imidazole ring, pyrazole ring, furan Xanthones ring, triazole
Ring, pyranoid ring, pyridine ring, clatter ring and pyrimidine ring.
According to some embodiments, wherein silane coupling agent includes at least one selected from the group as composed by the following option
Person: vinyltrimethoxysilane, 3- metacryloxy propyl trimethoxy silicane, 3- glycidoxypropyl group trimethoxy
Silane, 2- (3,4- expoxycyclohexyl) ethyl trimethoxy silane, 3- aminocarbonyl propyl trimethoxy silane, N- (2- amido second
Base) -3- aminocarbonyl propyl trimethoxy silane, N- (2- amido ethyl) -3- aminocarbonyl propyl methyl dimethoxysilane and 3- chlorination
Propyl trimethoxy silicane.
According to some embodiments, wherein adhesive layer includes a host agent, a crosslinking agent, a swelling binder and a solvent.It helps
Glutinous agent includes silane coupling agent.
According to some embodiments, wherein host agent includes at least one selected from the group as composed by the following option: (first
Base) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, (methyl) acrylic acid-2-ethyl caproite, propylene
Sour hydroxy methacrylate, acrylic acid 3- hydroxy propyl ester, hydroxyethyl methacrylate, methacrylic acid 3- hydroxy propyl ester, acrylic acid 4-
Hydroxybutyl, methacrylic acid 4- hydroxybutyl, allyl alcohol, Yi Kang acid, acrylamide, methacrylic acid cyanaoethyl methacrylate, propylene
Sour cyanaoethyl methacrylate and methacrylic acid -6- hydroxy methacrylate.
According to some embodiments, wherein crosslinking agent includes at least one selected from the group as composed by the following option: ring
Oxygen system crosslinking agent, isocyanates system crosslinking agent and imines system crosslinking agent.
According to some embodiments, wherein solvent includes at least one selected from the group as composed by the following option: first
Alcohol, ethyl alcohol, ethylene glycol, Isopropanediol, propylene glycol, first match fine jade Soviet Union, Ding Sailu Soviet Union, propylene glycol monomethyl ether, ethyl acetate, acetic acid fourth
Ester, ethylene glycol monomethyl ether acetate, gamma-butyrolacton, propylene glycol methyl ether acetate, ethyl lactate, acetone, methyl ethyl ketone, ring penta
Ketone, cyclohexanone, methyl amyl ketone, methyl iso-butyl ketone (MIBK), pentane, hexane, heptane, toluene, dimethylbenzene, phenol, acetonitrile, tetrahydro furan
It mutters, dimethoxy, chloroform and chlorobenzene.
According to some embodiments, wherein adhesive layer is a pressure sensing adhesive layer.
According to some embodiments, wherein polarizer further includes one first adhesion layer and one second adhesion layer.First sticks together
Layer is configured between the first protective layer and polarization matrix layer, for engaging the first protective layer and polarization matrix layer.Second adhesion layer
It is configured between the second protective layer and polarization matrix layer, for engaging the second protective layer and polarization matrix layer.First adhesion layer and/
Or second adhesion layer include a polyvinyl alcohol powder or a ultraviolet curing glue or a silane coupling agent.
More preferably understand to have to above-mentioned and other aspect of the invention, preferred embodiment is cited below particularly, and cooperates institute
Accompanying drawings are described in detail below:
Detailed description of the invention
Fig. 1 is the schematic diagram according to the polarizer of embodiment.
Fig. 2 is that the additive molecule and silane coupling agent molecule according to embodiment from protective layer are combined into stereochemical structure
Schematic diagram.
Fig. 3 is flat to be combined into according to the additive molecule from protective layer of reference examples and the flatness molecule of adhesive layer
The schematic diagram of face structure.
Fig. 4 is flat to be combined into according to the additive molecule from protective layer of reference examples and the flatness molecule of adhesive layer
Face structure and the micro-structure electron microscope that the scanning electron microscope of crystallization is further precipitated.
Wherein, appended drawing reference:
100: polarizer
102: polarization matrix layer
104: the first protective layers
The molecule that 104m: the first protective layer contains
106: the second protective layers
108: adhesive layer
108m: the molecule that adhesive layer contains
110: sealer
112: release layer
114: the first adhesion layers
116: the second adhesion layers
200: arrow
Specific embodiment
Fig. 1 is please referred to, a polarizer 100 according to an embodiment of the present invention is painted.Polarizer 100 includes a polarization matrix
102, one first protective layer 104 of layer, one second protective layer 106 and an adhesive layer 108.First protective layer 104 and the second protection
Layer 106 is respectively arranged at two sides of polarization matrix layer 102.First protective layer 104 includes an additive, which has fragrance
Property heterocycle.Adhesive layer 108 is configured at side of first protective layer 104 relative to polarization matrix layer 102.Adhesive layer 108 is wrapped
Include a silane coupling agent.The value for defining one content/silane coupling agent, one content of additive is equal to Z, 2.5 < Z < 40.Preferably
Ground, 4 < Z < 28.6.More preferably, 12.5 < Z < 20.Here, the content system of certain ingredient is whole relative to the layer that the ingredient is added to
Content for.For example, the content of additive can be ratio of the weight of additive relative to 104 overall weight of the first protective layer
Value, the content of silane coupling agent can be ratio of the silane coupling agent relative to 108 overall weight of adhesive layer.
According to some embodiments, polarization matrix layer 102 may include binder and iodine or dichroic dye in wherein orientation.
Binder can be used can crosslinkable polymer itself, including but not limited to extremely selected from the group as composed by the following option
Few one: polyvinyl alcohol and modified polyvinyl alcohol.Alternatively, crosslinking agent such as boron compound etc. can also be added.Dichroic dye
Including but not limited to it is selected from least one of the group as composed by the following option: azo based dye, talan based dye, pyrrole
Oxazoline based dye, triphenyl methane based dye, quinoline based dye, oxazines based dye, thiazine based dye or anthraquinone based dye.Two colors
Property dyestuff preferably has hydrophilic, such as sulfo group, amido, hydroxyl.
In some embodiments, polarization matrix layer 102 can be inhaled by polyvinyl alcohol film (polyvinyl alcohol, PVA)
The dichroism pigment of attached orientation and formed.For example, the iodine polarizing piece using iodine as dichroism pigment.Polarization matrix layer 102
Formation usually has follow steps: swelling process, stretch processing, crosslinking Treatment, is cleaned at processing and drying dyeing processing
Reason.Wherein, stretch processing makes polyvinyl alcohol have polarisation effect.
First protective layer 104 and the second protective layer 106 are for providing 102 protectiveness of polarization matrix layer and mechanical support, allusion quotation
It is type to be made of cellulose or analogous components, and composition adjustment can be carried out in response to different demands.For example, the first protection
The one at least within of layer 104 and the second protective layer 106, such as the first protective layer 104, can have optical compensation property.
In some embodiments, the material of the first protective layer 104 can be respectively selected from by polymethyl methacrylate
(Polymethylmethacrylate, PMMA), trimerization cellulose acetate (Triacetyl Cellulose, TAC), acrylic acid
Resin film, poly aromatic hydroxyl resin film, polyether resin film, cyclic polyolefin resin film (such as poly- bornylene resin film), polyester
(Polyethylene Terephthalate, PET), polypropylene (Polypropylene, PP), cyclic olefin polymer (Cyclo
Olefin Polymer, COP), a group composed by polycarbonate (Polycarbonate, PC) and above-mentioned any combination,
It and may include the additive with aromatic heterocycle.But, the first protective layer 104 includes the additive with aromatic heterocycle
Reason is not limited to this.
Unsaturated aromatic heterocycle is common additive types.According to some embodiments, aromatic heterocycle can be single
Member's ring, double Yuans rings or three-membered ring etc., preferably single Yuan ring or double Yuans rings are more preferably single Yuan ring.According to some implementations
, the hetero atom in aromatic series heterocycle, preferably nitrogen-atoms, oxygen atom or sulphur atom, are more preferably nitrogen-atoms.According to
Some embodiments, aromatic heterocycle include but is not limited at least one for being selected from the group as composed by the following option: furan nucleus,
Thiphene ring, pyrrole ring, azoles ring, isoxazole ring, thiazole ring, isothiazole ring, imidazole ring, pyrazole ring, furan Xanthones ring, triazole ring, pyranoid ring,
Pyridine ring, clatter ring and pyrimidine ring.Aromatic heterocycle is preferably pyrrole ring.Formula 1 shows a kind of additive N of example nature,
N- (6-oxo-1,6-dihydroprimidine-2,4-diyl) diacetamide (2,4- diacetylamino -6- oxygen -1,6- two
Hydrogen pyrimidine), including pyrimidine ring, formula 1 is as follows:
[formula 1]
Wherein R1、R2It separately indicates hydrogen atom or substituent group, substituent group can be alkyl, alkenyl, alkynyl, aryl, warp
Amido, alkoxy, aryloxy group, hydroxyl or halogen atom substituted or unsubstituted.Substituent group is preferably alkyl, especially has 5
To the alkyl of 20 carbon atoms, especially with the alkyl of 5 to 12 carbon atoms.
The material of second protective layer 106 may include but be not limited at least one selected from the group as composed by the following option
Person: polymethyl methacrylate (Polymethylmethacrylate, PMMA), trimerization cellulose acetate (Triacetyl
Cellulose, TAC), acrylic resin film, poly aromatic hydroxyl resin film, polyether resin film, cyclic polyolefin resin film (such as poly- ice
Piece olefine resin film), polyester (Polyethylene Terephthalate, PET), polypropylene (Polypropylene, PP), ring
Olefin polymer (Cyclo Olefin Polymer, COP), polycarbonate (Polycarbonate, PC) and above-mentioned any
Combination.
According to some embodiments, adhesive layer 108 can be a pressure sensing adhesive layer.According to some embodiments, adhesive layer 108 is wrapped
Include a host agent, a crosslinking agent, a swelling binder and a solvent.
Host agent includes but is not limited at least one for being selected from the group as composed by the following option: such as (methyl) acrylic acid first
(methyl) propylene of ester, (methyl) ethyl acrylate, (methyl) butyl acrylate, (methyl) acrylic acid-2-ethyl caproite etc.
Acid esters, and such as Hydroxyethyl Acrylate, acrylic acid 3- hydroxy propyl ester, hydroxyethyl methacrylate, methacrylic acid 3- hydroxyl
Propyl ester, acrylic acid 4- hydroxybutyl, methacrylic acid 4- hydroxybutyl, allyl alcohol, Yi Kang acid, acrylamide, methacrylic acid
The hydroxy acrylic acid ester compounds of cyanaoethyl methacrylate, cyano ethyl acrylate, methacrylic acid -6- hydroxy methacrylate etc..Citing comes
It says, (methyl) acrylate and monohydroxy acrylate compounds can be selected with any composition ratio.2 system of formula shows one kind
The structure of the host agent molecule of example nature.The generally planar property molecule of host agent molecule.
[formula 2]
Wherein R3, R4 separately indicate hydrogen atom or substituent group, substituent group can for alkyl, alkenyl, alkynyl, aryl,
It is substituted or unsubstituted amido, alkoxy, aryloxy group, hydroxyl or halogen atom.Substituent group is preferably alkyl, especially has
There is the alkyl of 1 to 10 carbon atom, especially with the alkyl of 1 to 5 carbon atom.
Crosslinking agent includes but is not limited at least one for being selected from the group as composed by the following option: epoxy crosslinking agent,
Isocyanates system crosslinking agent and imines system crosslinking agent.
Swelling binder includes the silane coupling agent.Silane coupling agent includes but is not limited to be selected from as composed by the following option
At least one of group: such as vinyltrimethoxysilane, 3- metacryloxy propyl trimethoxy silicane, the third oxygen of 3- epoxy
There is epoxy group to construct for base propyl trimethoxy silicane, 2- (3,4- expoxycyclohexyl) ethyl trimethoxy silane etc.
Silicon compound, such as 3- aminocarbonyl propyl trimethoxy silane, N- (2- amido ethyl) -3- aminocarbonyl propyl trimethoxy silane, N- (2-
Amido ethyl) -3- aminocarbonyl propyl methyl dimethoxysilane etc. the silicon compound containing amido and 3- chlorination propyl front three
Oxysilane.3 system of formula shows a kind of structure of the silane coupling agent molecule of example nature.
[formula 3]
Wherein Y indicates substituent group, substituent group can for alkyl, alkenyl, alkynyl, aryl, be substituted or unsubstituted amido, alcoxyl
Base, aryloxy group, epoxy group, cycloalkyloxy, hydroxyl or halogen atom etc..
Solvent includes but is not limited at least one for being selected from the group as composed by the following option: such as methanol, ethyl alcohol, second two
The alcohol of alcohol, Isopropanediol, propylene glycol, first match fine jade Soviet Union (methyl cellosolve), Ding Sailu Soviet Union, propylene glycol monomethyl ether etc.
Solvent, such as ethyl acetate, butyl acetate, ethylene glycol monomethyl ether acetate, gamma-butyrolacton, propylene glycol methyl ether acetate, ethyl lactate
Etc. ester solvent, such as the ketone of acetone, methyl ethyl ketone, cyclopentanone, cyclohexanone, methyl amyl ketone, methyl iso-butyl ketone (MIBK)
Solvent, such as the chlorine-free aliphatic hydrocarbon solvent of pentane, hexane, heptane, such as the chlorine-free virtue of toluene, dimethylbenzene, phenol
Fragrant race's solvent, such as the nitrile solvent of acetonitrile, such as the ether solvents of tetrahydrofuran, dimethoxy, and such as chloroform, chlorobenzene
Deng chlorine system aliphatic hydrocarbon solvent.
In some embodiments, for pressure sensing adhesive layer adhesive layer 108 can also according to actual product demand, including other
Additive, such as antistatic agent appropriate etc..Antistatic agent is, for example, that (a) has quarternary ammonium salt, pyridine, primary amino group, secondary
The various cationic antistatic agents of the cation base such as amino, tertiary amino；(b) there is sulfonic acid base, sulfuric ester base, phosphate alkali
The anionic antistatic agents of the anion base of base, phosphonic acids base etc.；(c) both sexes of amino acids, amidosulphuric acid esters etc. resist quiet
Electric agent；(d) non-ionic antistatic agent of alkamine, glycerols, polyethylene glycols etc.；(e) make antistatic agent as described above
The Polymer Antistatic Agent etc. that molecular weight obtains.
According to some embodiments, polarizer 100 may also include a sealer 110 and a release layer 112.Surface protection
Layer 110 is configured at side of second protective layer 106 relative to polarization matrix layer 102.Release layer 112 is configured at adhesive layer 108
Side relative to the first protective layer 104.Sealer 110 and release layer 112 may include but be not limited to selected from by lower column selection
At least one of group composed by: such as polyester resin of polyethylene terephthalate, polyethylene naphthalate,
Olefin resin, acetyl cellulose resins, polycarbonate resin, such as the acrylic acid tree of polymethyl methacrylate (PMMA)
Rouge, polybutylene terephthalate (PET), polyethylene (PE), polypropylene (PP) and cyclic olefin resins.
According to some embodiments, polarizer 100 may also include one first adhesion layer 114 and one second adhesion layer 116.First
Adhesion layer 114 is configured between the first protective layer 104 and polarization matrix layer 102, for engaging the first protective layer 104 and polarisation base
Body layer 102.Second adhesion layer 116 is configured between the second protective layer 106 and polarization matrix layer 102, for engaging the second protection
Layer 106 and polarization matrix layer 102.First adhesion layer 114 and/or the second adhesion layer 116 can be for one as made from aqueous adhesive agent
One transparent adhesion layer, wherein the material of adhesive agent includes polyvinyl alcohol powder.Alternatively, the first adhesion layer 114 and/or the second adhesion layer
116 are also possible to ultraviolet curing glue, such as uv-hardening resin.According to some embodiments, the first adhesion layer 114 and/
Or second adhesion layer 116 may include a silane coupling agent.This silane coupling agent can be identical to foregoing, and also comply with 2.5 < Z <
40, preferably 4 < Z < 28.6, the more preferably relational expression of 12.5 < Z < 20.
Before polarizer is formally peddled, it usually needs the burn-in test of high temperature and humidity is carried out, to confirm the resistance to of polarizer
Hou Xing.In the test environment of high temperature and humidity, as shown in Figure 1, the molecule that each layer contains may move, or even it can diffuse to
In other layers.For example, the molecule 104m that the first protective layer contains, the e.g. molecule of additive, may diffuse to and stick together
In oxidant layer 108, and the molecule 108m reaction further contained with adhesive layer.
In the case where adhesive layer uses the additive with aromatic heterocycle, the additive point with aromatic heterocycle
Son can form planar structure because of the environment of high temperature and humidity.By silane coupling agent is used in adhesive layer, and silicon is adjusted
Ratio of the content of alkane coupling agent relative to the content of additive, it is mainly even with three-dimensional silane for can making the planar structure
Mixture forms Hydrogenbond, as shown in Figure 2.In this way, will not form easy storehouse even if reacting and crystallization is precipitated
Planar structure, it can be ensured that the weatherability and visual effect of polarizer.Relatively, if not making such adjustment, fragrance
Property the planar structure that is formed of heterocycle be easy the flatness molecule contained with adhesive layer and form hydrogen bond, and be combined into planar structure,
As shown in Figure 3.Such planar structure is easy to happen storehouse, and crystallization is precipitated in turn.If Fig. 4 is scanning electron microscope
Observation with arrow 200 as a result, wherein indicate this kind of precipitation crystallization.
Specific experimental example and comparative example presented below illustrate the content/silane coupling agent content for adjusting additive
Value, that is, Z, brought influence.
[manufacture of protective layer]
Additive/Triafol T/the methylene chloride for taking different weight point, three is mixed, after the completion of stirring
Standing and defoaming is carried out, is coated with after the completion of deaeration on stainless steel, it is subsequent be added 60 seconds~120 seconds with 60 DEG C~100 DEG C
The protective layer of different additive content is made in dry solidification.
[manufacture of adhesive layer]
Take host agent molecule, such as the appropriate monomer composition of (methyl) methyl acrylate that according to 90~99.99% and there is polarity official
0.01~10% mixture of unsaturated monomer, 100 parts by weight of copolymer, that is, acrylic resin obtained of energy base.Addition crosslinking
0.01~5 parts by weight of agent；Add swelling binder, such as vinyltrimethoxysilane 0.02~0.10 weight of appropriate silicon compound
Part；It is added to organic solvent to be stirred.It is coated on after standing and defoaming in a release film surface again, with 50 DEG C~150 DEG C of temperature
Degree obtains the adhesive layer with different silane coupling agent contents after carrying out 60~300 seconds dry solidifications of heating.The method of coating
For example including stick rubbing method, scraper for coating method, roller coating method, plate rubbing method, pressing mold rubbing method, gravure coating process etc..From
Type film can be polyethylene terephthalate (PET) film or other suitable films through demoulding processing.
[manufacture of sample]
Corona (corona) processing is carried out for protective layer and adhesive layer.Later, first by protective layer and adhesive layer two
Person is to patch, then fits on alkali-free glass.
[weatherability of sample is tested]
It plunges the sample into constant temperature constant humidity baking oven, temperature and humidity conditions are 85 degree/85%, and the aging carried out 1000 hours is surveyed
Examination.
[crystallization observation]
By the sample of burn-in test, crystal has been seen whether with VH-Z100R optical microscopy (Keyence manufacturer)
It generates.
[content detection of additive]
With supplier obtain standard items after, after solution is diluted to certain multiplying power, using gas chromatography mass spectrometry instrument (GC-MS,
AGILENT the production for) completing calibration curve, after the subsequent protective layer for again providing supplier is completely dissolved using specific solvent, into
Row analysis is to confirm content of the additive relative to protective layer.
[content detection of silane coupling agent]
After taking the adhesive layer of weight about 0.2g to be placed in the nitric acid of 10ml, the movement of microwave digestion dissolution is carried out, is disappeared
It fetches water after change and is quantitatively diluted to 25ml again.Silicon member is carried out using inductively coupled plasma spectrometer (PERKIN ELMER) later
The measurement of cellulose content, to obtain the content of Si element in adhesive layer.
[discussion of results]
Table 1 lists the experimental result of several experimental examples and comparative example.As can be seen that content/the silane for defining additive is even
The value of the content of mixture is equal to Z, as 2.5 < Z < 40, does not have crystallization and is precipitated.
[table 1]
In conclusion by silane coupling agent is used in adhesive layer, and adjust content/silane coupling agent of additive
Content value, can to avoid crystallization generate caused by weatherability and visual effect be deteriorated.Further, since adding in protective layer
Add agent mobile toward the direction side of polarization matrix layer, therefore in the adhesion layer for engaging protective layer and polarization matrix layer
The middle weatherability that can further improve polarizer using silane coupling agent.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
It all should belong to the protection scope of the claims in the present invention.
Claims (10)
1. a kind of polarizer characterized by comprising
One polarization matrix layer；
One first protective layer and one second protective layer, are respectively arranged at two sides of the polarization matrix layer, which includes
One additive, the additive have aromatic heterocycle, and wherein first protective layer includes one first side and a second side, this first
Side back is for the second side, and the neighbouring polarization matrix layer；And
One adhesive layer, is configured at the second side of first protective layer, which includes a silane coupling agent；
Wherein, the value for defining the content/silane coupling agent content of the additive is equal to Z, 2.5 < Z < 40.
2. polarizer according to claim 1, which is characterized in that the aromatic heterocycle is single Yuan ring, double Yuans rings or three members
Ring.
3. polarizer according to claim 1, which is characterized in that the aromatic heterocycle includes selected from by the following option institute group
At group at least one: furan nucleus, thiphene ring, pyrrole ring, azoles ring, isoxazole ring, thiazole ring, isothiazole ring, imidazole ring, pyrrole
Azoles ring, furan Xanthones ring, triazole ring, pyranoid ring, pyridine ring, clatter ring and pyrimidine ring.
4. polarizer according to claim 1, which is characterized in that the silane coupling agent includes selected from by the following option institute group
At group at least one: vinyltrimethoxysilane, 3- metacryloxy propyl trimethoxy silicane, 3- epoxy third
Oxygroup propyl trimethoxy silicane, 2- (3,4- expoxycyclohexyl) ethyl trimethoxy silane, 3- aminocarbonyl propyl trimethoxy
Silane, N- (2- amido ethyl) -3- aminocarbonyl propyl trimethoxy silane, N- (2- amido ethyl) -3- aminocarbonyl propyl methyl dimethoxy
Oxysilane and 3- chlorination propyl trimethoxy silicane.
5. polarizer according to claim 1, which is characterized in that the adhesive layer includes:
One host agent；
One crosslinking agent；
One swelling binder, including the silane coupling agent；And
One solvent.
6. polarizer according to claim 5, which is characterized in that the host agent includes being selected from the group as composed by the following option
At least one of group: (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, (methyl) acrylic acid-
2- ethylhexyl, Hydroxyethyl Acrylate, acrylic acid 3- hydroxy propyl ester, hydroxyethyl methacrylate, methacrylic acid 3- hydroxyl
Base propyl ester, acrylic acid 4- hydroxybutyl, methacrylic acid 4- hydroxybutyl, allyl alcohol, Yi Kang acid, acrylamide, metering system
Sour cyanaoethyl methacrylate, cyano ethyl acrylate and methacrylic acid -6- hydroxy methacrylate.
7. polarizer according to claim 5, which is characterized in that the crosslinking agent includes selected from as composed by the following option
At least one of group: epoxy crosslinking agent, isocyanates system crosslinking agent and imines system crosslinking agent.
8. polarizer according to claim 5, which is characterized in that the solvent includes being selected from the group as composed by the following option
Group at least one: methanol, ethyl alcohol, ethylene glycol, Isopropanediol, propylene glycol, first match fine jade Soviet Union, Ding Sailu Soviet Union, propylene glycol monomethyl ether,
Ethyl acetate, butyl acetate, ethylene glycol monomethyl ether acetate, gamma-butyrolacton, propylene glycol methyl ether acetate, ethyl lactate, acetone,
Methyl ethyl ketone, cyclopentanone, cyclohexanone, methyl amyl ketone, methyl iso-butyl ketone (MIBK), pentane, hexane, heptane, toluene, dimethylbenzene,
Phenol, acetonitrile, tetrahydrofuran, dimethoxy, chloroform and chlorobenzene.
9. polarizer according to claim 1, which is characterized in that the adhesive layer is a pressure sensing adhesive layer.
10. polarizer according to claim 1, which is characterized in that further include:
One first adhesion layer is configured between first protective layer and the polarization matrix layer, for engage first protective layer and
The polarization matrix layer；And
One second adhesion layer is configured between second protective layer and the polarization matrix layer, for engage second protective layer and
The polarization matrix layer；
First adhesion layer and/or second adhesion layer include that a polyvinyl alcohol powder or a ultraviolet curing glue or a silane are even
Mixture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105121229 | 2016-07-05 | ||
| TW105121229A TWI568582B (en) | 2016-07-05 | 2016-07-05 | Polarizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106896440A CN106896440A (en) | 2017-06-27 |
| CN106896440B true CN106896440B (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995537.5A Active CN106896440B (en) | 2016-07-05 | 2016-11-11 | Polarizing plate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106896440B (en) |
| TW (1) | TWI568582B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI755283B (en) * | 2021-02-20 | 2022-02-11 | 住華科技股份有限公司 | Polarizer structure, manufacturing method and evaluation method of the same, and display device using the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314317A (en) * | 2011-10-14 | 2013-09-18 | Lg化学株式会社 | Double-sided polarizing plate and optical device including same |
| TW201522551A (en) * | 2013-11-29 | 2015-06-16 | 三星Ｓｄｉ股份有限公司 | Adhesive film for polarizing plate, polarizing plate and optical display including the same |
| CN104877607A (en) * | 2014-02-28 | 2015-09-02 | 三星Sdi株式会社 | Adhesive composition for polarizing plate, polarizing plate including the same and optical display including the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200726797A (en) * | 2005-09-27 | 2007-07-16 | Nippon Catalytic Chem Ind | Resin composition for forming UV-absorbing layer and UV-absorbing-layer-containing multilayer body |
| JP4805240B2 (en) * | 2006-12-15 | 2011-11-02 | 日東電工株式会社 | Adhesive optical film and image display device |
| TWI435124B (en) * | 2010-10-20 | 2014-04-21 | Nitto Denko Corp | Adhesive type polarizing plate and image display device |
| WO2015151795A1 (en) * | 2014-04-03 | 2015-10-08 | コニカミノルタ株式会社 | Optical film, polarizing plate, method for producing polarizing plate, image display device and method for manufacturing image display device |
-
2016
- 2016-07-05 TW TW105121229A patent/TWI568582B/en active
- 2016-11-11 CN CN201610995537.5A patent/CN106896440B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314317A (en) * | 2011-10-14 | 2013-09-18 | Lg化学株式会社 | Double-sided polarizing plate and optical device including same |
| TW201522551A (en) * | 2013-11-29 | 2015-06-16 | 三星Ｓｄｉ股份有限公司 | Adhesive film for polarizing plate, polarizing plate and optical display including the same |
| CN104877607A (en) * | 2014-02-28 | 2015-09-02 | 三星Sdi株式会社 | Adhesive composition for polarizing plate, polarizing plate including the same and optical display including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI568582B (en) | 2017-02-01 |
| CN106896440A (en) | 2017-06-27 |
| TW201801924A (en) | 2018-01-16 |
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