CN108780181A - The manufacturing method of unilateral protection polarizing coating with adhesive phase - Google Patents
The manufacturing method of unilateral protection polarizing coating with adhesive phase Download PDFInfo
- Publication number
- CN108780181A CN108780181A CN201780017068.2A CN201780017068A CN108780181A CN 108780181 A CN108780181 A CN 108780181A CN 201780017068 A CN201780017068 A CN 201780017068A CN 108780181 A CN108780181 A CN 108780181A
- Authority
- CN
- China
- Prior art keywords
- polarizing coating
- mentioned
- adhesive phase
- polarizer
- methyl
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2551/00—Optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polarising Elements (AREA)
Abstract
The unilateral manufacturing method for protecting polarizing coating with adhesive phase that the present invention relates to a kind of,The thickness of the unilateral protection polarizing coating with adhesive phase is 10 μm or less,And from only in the single side of the polarizer with specific optical characteristics the side of the polarizer of the unilateral protection polarizing coating with protective film successively with transparent resin layer and adhesive phase,The manufacturing method is implemented process (3) after forming transparent resin layer by implementing process (1) and process (2) and is carried out,In above-mentioned operation (1),When transporting above-mentioned unilateral protection polarizing coating the coating liquid containing resin component or the curability composition that may make up resin layer is applied in the polarizer side of above-mentioned unilateral protection polarizing coating,Above-mentioned operation (2) carries out after above-mentioned working procedure of coating (1),In above-mentioned operation (2),Above-mentioned coating liquid is set to be cured or hardened,The unilateral protection polarizing coating wound into rolls with transparent resin layer that above-mentioned operation (3) will not obtain,And form adhesive phase on above-mentioned transparent resin layer.Even if using slim unilateral protective film, transparent resin layer can also be stably formed, be subsequently formed adhesive phase.
Description
Technical field
The present invention relates to the manufacturing methods of the unilateral protection polarizing coating with adhesive phase.It obtains by the above-mentioned manufacture method
It is aobvious that unilateral protection polarizing coating with adhesive phase can independently form the images such as liquid crystal display device (LCD), organic EL display device
Showing device, or to form liquid crystal display dress in the form of being laminated with the optical film of the above-mentioned unilateral protection polarizing coating with adhesive phase
Set the image display devices such as (LCD), organic EL display device.
Background technology
Liquid crystal display device is in clock and watch, mobile phone, PDA, laptop, computer monitor, DVD player, TV etc.
The market demand is hastily expanded.Liquid crystal display device is polarization state caused by the conversion (switching) made by liquid crystal
Visualization device, according to its displaying principle, used at present is polarizer.
As polarizer, from high-transmission rate, high-polarization aspect, being typically the most to be widely used for example makes to gather
The polarizer containing iodine of structure obtained by vinyl alcohol adsorbs iodine and stretches.Such polarizer have mechanical strength it is extremely weak, because heat,
Moisture and causing shrinks, polarization function the shortcomings that being remarkably decreased.Therefore, obtained polarizer is passed through into bonding agent and coating immediately
There is the protective film of bonding agent to be bonded and polarizing coating use is made.
When above-mentioned polarizing coating is fitted in liquid crystal cells etc., adhesive is usually used.In addition, being capable of wink due to having
When fixed polarizing coating, without carrying out the drying process for making polarizing coating cementation the advantages that, therefore adhesive can be in advance with viscous
The form of mixture layer is arranged at the single side of polarizing coating.That is, in the fitting of polarizing coating, usually to use with the inclined of adhesive phase
Vibrating diaphragm.
On the other hand, the slimming of the image display devices such as liquid crystal display device is carrying out, and also requires polarizing coating thin
Type.Therefore, also polarizer is thinned (patent document 1).In addition, slimming can be by using only in polarizer
Setting protective film in unilateral side is not provided with the unilateral protection polarizing coating of protective film to carry out in the other side.The unilateral side protect polarizing coating with
The two-sided protection polarizing coating that protective film is provided on the two sides of polarizer is compared, few a piece of protective film, therefore can realize slimming.
On the other hand, unilateral protection polarizing coating is insufficient to the durability of above-mentioned thermal shock, therefore, it is proposed in polarizer
The polarizing coating (patent document 2,3) of matcoveredn (transparent resin layer) is arranged in side.
Existing technical literature
Patent document
Patent document 1：No. 4751481 specifications of Japanese Patent No.
Patent document 2：Japanese Unexamined Patent Publication 2010-009027 bulletins
Patent document 3：Japanese Unexamined Patent Publication 2013-160775 bulletins
Invention content
The subject that the invention solves
In patent document 2,3, by using the unilateral protection polarizing coating only in the single side of polarizer with protective film
Come while seeking slimming, on the other hand, inhibit to cause because using unilateral protection polarizing coating by the way that protective layer is arranged
Along the through-wall crack of the absorption axis direction of polarizer (in thermal shock (for example, repeating the heat of -30 DEG C and 80 DEG C of temperature condition
Impact test is tested at a high temperature of 100 DEG C) harsh environment under, in polarizer due to the variation of the shrinkage stress of polarizer
The entire crackle for absorbing axis direction and generating) generation.In addition, being recorded in patent document 2,3, unilateral side protection polarizing coating is formed
When protective layer (transparent resin layer), its forming material can be carried out by various application patterns.
On the other hand, as described above, being also thinned to polarizer.It is being thinned polarizing coating or with adhesive phase
(for example, in the case of making thickness be 10 μm below), the shrinkage stress of polarizer in the case of the polarizer used in polarizing coating
Variation become smaller.It follows that the generation of above-mentioned through-wall crack can be inhibited using the polarizer of slimming.
However, protecting polarizing coating in the unilateral side that the generation for having used above-mentioned through-wall crack is inhibited or having used the unilateral side
In the polarizing coating with adhesive phase for protecting polarizing coating, in control optical characteristics as described in Patent Document 1 and it is thinned polarizer
In the case of (for example, in the case of making thickness be 10 μm below), it is known that unilateral side protection polarizing coating or using the unilateral side
When the polarizing coating load machinery impact with adhesive phase of protection polarizing coating (including the convex folding in polarizer side and apply the feelings of load
Condition), it can locally generate superfine gap (hereinafter also referred to nano slit) in the absorption axis direction of polarizer.It is also known that
The generation of above-mentioned nano slit and the size of polarizing coating are simultaneously irrelevant.Further it is also known that having used on the two sides of polarizer
In the case of both sides protection polarizing coating with protective film, above-mentioned nano slit not will produce.It is passed through in addition, being produced in polarizer
In the case of through cracks line, the stress on through-wall crack periphery will be released, therefore through-wall crack will not be generated adjacently, but with regard to nanometer
For slit, it is known that not only can individually generate, but also can adjacently generate.It is also known that through-wall crack has along production
The progressivity that the absorption axis direction of the polarizer of crackle extends is given birth to, but nano slit does not have above-mentioned progressivity.Thus, it can be known that
Above-mentioned nano slit is to be thinned polarizer, simultaneously in the unilateral protection polarizing coating that is inhibited of generation of through-wall crack
And the new issue generated in the case that optical characteristics is controlled in given range, be by with conventionally known above-mentioned through-wall crack not
The project that same phenomenon causes.
In addition, above-mentioned nano slit is superfine, therefore can not detected in conventional environment.Therefore, even if in polarizer
On produce nano slit, it is also difficult to unilateral protection polarizing coating is only confirmed according to light leakage by simply observing and is used
Protect the defect of the polarizing coating with adhesive phase of polarizing coating in the unilateral side.That is, being typically that strip is made in unilateral side protection polarizing coating
It is membranaceous and carry out defect inspection using automatic visual inspection, but be to be difficult to nano slit being used as to lack by the defect inspection
It falls into and detected.It is also known that the above-mentioned defect caused by nano slit can be by protecting polarizing coating or band by unilateral side
The polarizing coating of adhesive phase fit in image display panel glass substrate etc. be placed in heating environment in the case of, nanometer is narrow
Seam occurs to detect (for example, the presence or absence of above-mentioned light leakage) to the extension of width direction.
Therefore, for 10 μm of unilateral protection polarizing coatings below or the unilateral side has been used to protect polarizing coating in the thickness of polarizer
The polarizing coating with adhesive phase in, not only to inhibit through-wall crack, be desirable to inhibit nano slit generation.
However, in the case where having used slim unilateral protection polarizing coating, by the coating of protective layer (transparent resin layer)
After liquid forms transparent resin layer, for example, in order to promote solidification, under control of the transparent resin layer of given film thickness, it is desirable to temporarily
When by the unilateral protection polarizing coating wound into rolls with transparent resin layer, above-mentioned unilateral with transparent resin layer of winding is protected
Polarizing coating is continuously extracted out again, be then transferred to adhesive phase subsequent processing, i.e. formation process when, will be with transparent resin layer
When unilateral side protection polarizing coating is continuously extracted out, exists due to adhesion (film of winding is mutual closely sealed) and polarizer is locally applied and is answered
The case where power.Therefore, the generation risk of the nano slit of the roll of the unilateral protection polarizing coating with transparent resin layer obtained
It improves, the continuous extraction to subsequent processing becomes difficult.On the other hand, it after forming transparent resin layer, is glued on transparent resin layer
When being wound after patch surface protection film, although preventing the adhesion due to transparent resin layer, when by surface protection film stripping,
Stress is locally applied to polarizer, therefore the risk for generating nano slit improves.
The object of the present invention is to provide a kind of unilateral manufacturing method for protecting polarizing coating with adhesive phase, this method
Even if can be stably formed transparent resin layer if using slim unilateral protective film, be subsequently formed adhesive
Layer, while can inhibit the generation of nano slit.
Solution to the problem
Present inventor etc. by further investigation as a result, it has been found that, utilize following unilateral protection polarizations with adhesive phase
The manufacturing method of film can solve the above subject, and then complete the present invention.
That is, the manufacturing method for the unilateral protection polarizing coating that the present invention relates to a kind of with adhesive phase, this is with adhesive phase
Unilateral side protection polarizing coating has successively from the polarizer side of the unilateral protection polarizing coating only in the single side of polarizer with protective film
There are transparent resin layer and adhesive phase,
Above-mentioned polarizer contains polyvinyl alcohol resin, and thickness is 10 μm hereinafter, and with by monomer transmissivity T and partially
The mode for the condition that the optical characteristics that degree of shaking P is indicated meets following formula is constituted：
P >-(100.929T-42.4- 1) × 100 (wherein, T < 42.3) or
P >=99.9 (wherein, T >=42.3),
The formation of above-mentioned transparent resin layer and adhesive phase is carried out by following methods：
Transparent resin layer is formed by implementing process (1) and process (2), in the process (1), above-mentioned unilateral guarantor is transported on side
Protect the polarizing coating side coating liquid of coating containing resin component or containing can structure on the polarizer side of above-mentioned unilateral protection polarizing coating
At the coating liquid of the curability composition of resin layer, which carries out after above-mentioned working procedure of coating (1), above-mentioned operation (2)
In, so that above-mentioned coating liquid is cured or hardened, then,
Implement process (3), which is not wound into a roll the obtained unilateral protection polarizing coating with transparent resin layer
Shape, and form adhesive phase on above-mentioned transparent resin layer.
In the manufacturing method of the above-mentioned unilateral protection polarizing coating with adhesive phase, can after above-mentioned operation (2), on
There is the process (4) for the film thickness that transparent resin layer is measured in shipping line before stating process (3).Above-mentioned operation (4) can pass through
It is carried out using the optical interference mode of polarizer in the front end of light source.
In the manufacturing method of the above-mentioned unilateral protection polarizing coating with adhesive phase, as the coating in above-mentioned operation (1)
Liquid is cured in process (2), thus can be formed using the coating liquid containing the resin component being dissolved or dispersed in water
Transparent resin layer.As the above-mentioned coating liquid containing resin component, the aqueous solution of polyvinyl alcohol resin is preferably comprised.
In the manufacturing method of the above-mentioned unilateral protection polarizing coating with adhesive phase, the coating preferably in above-mentioned operation (1)
Viscosity of the liquid at 25 DEG C is 1000mPas or less.
In the manufacturing method of the above-mentioned unilateral protection polarizing coating with adhesive phase, preferably above-mentioned polarizer is relative to being polarized
Mirror total amount contains boric acid with 20 weight % or less.
It, can also be on above-mentioned adhesive phase upper layer in the manufacturing method of the above-mentioned unilateral protection polarizing coating with adhesive phase
It is used after folded diaphragm.The septate unilateral protection polarizing coating with adhesive phase, which is arranged, to be obtained in the form of coiling body.
The effect of invention
The unilateral protection polarizing coating with adhesive phase that manufacturing method through the invention obtains used 10 μm of thickness with
Under polarizer and be thinned.In addition, compared with the big situation of polarizer thickness, 10 μm of above-mentioned thickness is below slim
The variation of the shrinkage stress that polarizer is applied to due to thermal shock of polarizer is small, can inhibit the production of through-wall crack
It is raw.
On the other hand, there is the slim polarizer of given optical characteristics to be easy to generate nano slit on polarizer.Nanometer
Slit is considered as the manufacturing process of the polarizing coating with adhesive phase of setting adhesive phase, manufacture on unilateral protection polarizing coating
In various processes after polarizing coating with adhesive phase, to above-mentioned unilateral protection polarizing coating or unilateral side protection is being used
It is generated when the polarizing coating load machinery impact with adhesive phase of polarizing coating, is contemplated and is based on generating with due to thermal shock
The different mechanism of through-wall crack and generate.In addition, the defect caused by above-mentioned nano slit can be by will be with bonding
In the case that the glass substrate etc. that the unilateral protection polarizing coating of oxidant layer fits in image display panel is placed in heating environment, receive
Rice slit occurs to detect (for example, the presence or absence of above-mentioned light leakage) to the extension of width direction.
In the unilateral protection polarizing coating with adhesive phase that manufacturing method through the invention obtains, by polarizer
The another side one side of protective film (do not have) setting transparent resin layer, can inhibit the generation of above-mentioned nano slit.
Manufacturing method according to the invention can pass through process on the unilateral protective film for having used slim polarizer
(1), process (2) and after foring transparent resin layer, the unilateral protection polarizing coating with transparent resin layer without that will obtain is temporary
When the wound into rolls and continuous such behaviour of extraction again by the above-mentioned unilateral protection polarizing coating with transparent resin layer of winding
Make and be transferred to subsequent processing (3), to form adhesive phase on above-mentioned transparent resin layer.So, the present invention's
In manufacturing method, due to protecting the rolling step of polarizing coating without the unilateral side with transparent resin layer and continuously extracting process out, because
This, will not improve the generation risk of nano slit caused by the adhesion by the unilateral protection polarizing coating with transparent resin layer, can be with
Manufacture continuously and steadily the unilateral protection polarizing coating with adhesive phase.
In addition, in the manufacturing method of the present invention, it can be after above-mentioned operation (2), setting pair before above-mentioned operation (3)
Unilateral protection polarizing coating with transparent resin layer measures the process (4) of the film thickness of transparent resin layer.By above-mentioned operation (4), i.e.,
Make, not by the unilateral protection polarizing coating wound into rolls with transparent resin layer, also can steadily measure the film of transparent resin layer
Thickness may be controlled to that transparent resin layer is made to reach given film thickness.As a result, control of film thickness need not be confirmed offline, and therefore, production
Property improve.
Description of the drawings
Fig. 1 is the schematic diagram of an example for the embodiment for showing that the manufacturing method of the present invention is related to.
Fig. 2 is the schematic diagram for a mode for showing the process (4) in the manufacturing method of the present invention.
Fig. 3 is an example for the schematic diagram that the nano slit that will be generated on polarizer and through-wall crack are compared.
Symbol description
1 unilateral protection polarizing coating
10 polarizers
20 protective films
2 ' coating liquids
2 transparent resin layers
3 adhesive phases
40 light sources
41 polarizers
Unilateral protection polarizing coatings of the A with transparent resin layer
Unilateral protection polarizing coatings of the B with adhesive phase
Specific implementation mode
Hereinafter, referring to Fig.1 extremely to the process (1) of the manufacturing method of the unilateral protection polarizing coating with adhesive phase of the present invention
Process (3) illustrates.
In working procedure of coating (1), the coating liquid coating 2 ' on unilateral protection polarizing coating 1 in transit.Unilateral side protection polarization
Film 1 only in the single side of polarizer 10 there is protective film 20, composition to be expressed as 10/ protective film 20 of polarizer.In Fig. 1, with (straight
Connect) protect the state on the polarizer of polarizing coating 1 to indicate above-mentioned coating liquid 2 ' coated on unilateral side.It should be noted that above-mentioned
Unilateral side protection polarizing coating 1 is generally preferably sent with 5~50m/ partite transports, is further preferably sent with 10~40m/ partite transports.In solidification or firmly
In chemical industry sequence (2), transparent resin layer 2 is formed by above-mentioned coating liquid 2 ', obtains the unilateral protection polarizing coating A with transparent resin layer.
Then, implement not by the unilateral protection polarizing coating A wound into rolls with transparent resin layer and on above-mentioned transparent resin layer 2 shape
The process (3) of composite adhesives layer 3, to unilateral protection polarizing coating B of the manufacture with adhesive phase.
In addition, as shown in Figure 1, in the manufacturing method of the present invention, can after above-mentioned operation (2), implement above-mentioned work
There is the process (4) for the film thickness that transparent resin layer is measured in shipping line before sequence (3).Above-mentioned operation (4) can be as shown in Figure 2
Polarizer 41 is used between light source 40 and unilateral protection polarizing coating like that, and is carried out by optical interference mode.To hang down
Directly light source 40 is arranged in the mode in 2 side of transparent resin layer of the unilateral protection polarizing coating A with transparent resin layer.In light source 40 and band
Between the unilateral protection polarizing coating A of transparent resin layer, using polarizer 41, with the unilateral protection polarizing coating with transparent resin layer
Light source 40 is arranged in the mode that the polarizer 10 of A becomes quadrature with absorption axiss, and transparent resin is measured by optical interference mode
The thickness of layer 2.
In addition, although not shown, but can be on the adhesive phase of the unilateral protection polarizing coating B with adhesive phase of the present invention
Diaphragm is set.Furthermore it is possible to be protected on 20 side of the protective film setting surface of the unilateral protection polarizing coating B with adhesive phase of the present invention
Cuticula.At least having the septate unilateral protection polarizing coating (the further polarizing coating with surface protection film) with adhesive phase can
Coiling body use is made, for example, will continuously be extracted out from coiling body and the polarizing coating with adhesive phase transported using diaphragm is answered
For (also referred to as " volume to be to plate (roll-to-panel) side by way of fitting in picture display face plate surface adhesive phase
Formula ", typically No. 4406043 specifications of Japanese Patent No.), image display device can be continuously manufactured by.
Fig. 3 is the schematic diagram that the nano slit a that will be generated on polarizer and through-wall crack b are compared.In Fig. 3 (A)
Show that the nano slit a, Fig. 3 (B) that are generated on polarizer 10 show the through-wall crack generated on polarizer 10
b.Nano slit a is generated because of mechanical shock, and the nano slit a locally generated along the absorption axis direction of polarizer 10 is initial
Can not be identified when generation, but can in thermal environment (for example, 80 DEG C or 60 DEG C, 90%RH) by the direction of the width
It extends and confirms.On the other hand, nano slit a is considered not having the progressivity extended along the absorption axis direction of polarizer.Separately
Outside, the generation of above-mentioned nano slit a is considered and the size of polarizing coating and irrelevant.Nano slit a not only can be generated individually,
And it also can adjacently generate sometimes.On the other hand, through-wall crack b is generated because of thermal shock (for example, thermal shock test).Run through
Crackle has the progressivity that the absorption axis direction along the polarizer for producing crackle extends.In the feelings for producing through-wall crack b
Under condition, the stress on periphery is released, therefore through-wall crack will not be generated adjacently.
< processes (1) >
《Unilateral side protection polarizing coating》
Above-mentioned unilateral protection polarizing coating uses the polarizing coating only in the single side of slim polarizer with protective film.Moreover, single
It is 60 μm of unilateral protection polarizing coatings below that polarizing coating preferred thickness (overall thickness) is protected in side.Above-mentioned slim unilateral protective film
In, manufacturing method according to the invention can form the transparent resin layer of stable film thickness.The thickness of above-mentioned unilateral protection polarizing coating
55 μm of film thickness below can be further used.On the other hand, from the viewpoint of transport property, the thickness of slim unilateral protective film
Preferably 20 μm or more, further preferably 25 μm or more.
《Polarizer》
In the present invention, using 10 μm of polarizers below of thickness.From slimming and the sight for the generation for inhibiting through-wall crack
Point sets out, and the thickness of polarizer is preferably 8 μm or less, more preferably 7 μm or less, further preferably 6 μm or less.Another party
The thickness in face, polarizer is preferably 2 μm or more, more preferably 3 μm or more.Such slim polarizer is due to uneven thickness
Less, visibility is excellent, and change in size is few, therefore relative to the excellent in te pins of durability of thermal shock.
Polarizer has used the polarizer of polyvinyl alcohol resin.As polarizer, it can be mentioned, for example make iodine, two
Dichroic substance as color dyestuff is adsorbed in polyvinyl alcohol film, part formalizing polyvinyl alcohol film, ethylene-acetate
The hydrophilic macromolecule films such as the partly-hydrolysed film of vinyl ester copolymers class simultaneously carry out the de- of film, polyvinyl alcohol obtained from simple tension
Polyenoid based oriented film such as dehydrochlorinated products of water process object, polyvinyl chloride etc..In these, preferably by polyvinyl alcohol film and
The polarizer that the dichroic substances such as iodine are formed.
Being dyed to polyvinyl alcohol film with iodine and carry out polarizer made of simple tension for example can be by by polyvinyl alcohol
Class film immersion dyes in the aqueous solution of iodine and is stretched to 3~7 times of former length and makes.As needed, it can also include boron
Acid or zinc sulfate, zinc chloride etc., can also be impregnated in the aqueous solution of potassium iodide etc..Further, can also as needed and
Polyvinyl alcohol film immersion is washed in water before dyeing.By being washed to polyvinyl alcohol film, in addition to that can wash
It goes other than the dirt of polyvinyl alcohol film surface, antiblocking agent, also having makes polyvinyl alcohol membrane swelling to prevent dyeing not
Impartial uneven effect.Stretching can be carried out being dyed using iodine after, can also Edge Coloring side stretching, in addition it can
It is dyed using iodine after being stretched.It can also be stretched in the aqueous solution of boric acid, potassium iodide etc. or water-bath.
From drawing stability, optical durability aspect, preferably polarizer contains boric acid.In addition, being split from inhibiting to run through
The generation of line inhibits from the perspective of stretching, and boric acid content contained in polarizer is preferably 20 weights relative to polarizer total amount
Measure % or less, more preferably 18 weight % or less, further preferably 16 weight % or less.On the other hand, from the drawing of polarizer
From the perspective of stretching stability, optical durability, the boric acid content relative to polarizer total amount is preferably 10 weight % or more, more
Preferably 12 weight % or more.
As representative slim polarizer, Japanese Patent No. No. 4751486 specifications, Japanese Patent No. can be enumerated
No. 4751481 specifications, No. 4815544 specifications of Japanese Patent No., Japanese Patent No. No. 5048120 specifications, International Publications
Slim polarizer described in No. 2014/077636 No. 2014/077599 pamphlet, International Publication No. pamphlet etc. or by this
The slim polarizer that manufacturing method described in a little documents obtains.
Above-mentioned polarizer is in such a way that the optical characteristics indicated by monomer transmissivity T and degree of polarization P meets the condition of following formula
It constitutes：
P >-(100.929T-42.4- 1) × 100 (wherein, T < 42.3) or
P >=99.9 (wherein, T >=42.3).
Mainly, the polarizer constituted in a manner of meeting above-mentioned condition has as the liquid for having used large-scale display element
Performance required by brilliant TV display.Specifically, contrast is 1000:1 or more and maximum brightness be 500cd/m2With
On.As other purposes, such as the visible side of organic EL display device can be fitted in.
Including the process stretched with the state of laminated body and the process dyed as above-mentioned slim polarizer
Preparation method in, from the viewpoint of can be stretched to high magnification to make polarizing properties improve, preferably by such as Japanese Patent No.
No. 4751481 No. 4751486 specifications, Japanese Patent No. specifications, as described in No. 4815544 specifications of Japan Patent
Be included in slim polarizer obtained from the preparation method of the process stretched in boric acid aqueous solution, particularly preferably pass through record
Being included in boric acid aqueous solution in No. 4815544 No. 4751481 specifications of Japanese Patent No., Japan Patent specifications carries out
Slim polarizer obtained from the preparation method of the process stretched in atmosphere is secondarily carried out before stretching.These are slim to be polarized
Mirror can be by including by polyvinyl alcohol resin (hereinafter also referred to PVA resinoids) layer and stretching resin base material with laminated body
The preparation method of process and the process dyed that state is stretched and obtain.If it is the preparation method, even if then PVA resinoids
Layer is relatively thin, is supported with resin base material by being stretched, a problem that capable of not also generating caused by stretching fracture and into
Row stretches.
《Protective film》
As constitute said protection film material, preferably the transparency, mechanical strength, thermal stability, moisture barrier, respectively
The material excellent to the same sex etc..It can be mentioned, for example：The polyesters such as polyethylene terephthalate, polyethylene naphthalate
The acrylic polymers such as the cellulosic polymers such as polymer, cellulose diacetate, cellulose triacetate, polymethyl methacrylate
Close styrenic polymers, the polycarbonate polymers such as object, polystyrene, acrylonitritrile-styrene resin (AS resins) etc..
In addition, the example as the polymer for forming said protection film, can also enumerate：Polyethylene, polypropylene, ring system have norborneol
Polyolefin polymers, vinyl chloride polymer, nylon, aromatic series as the polyolefin of alkene structure, ethylene-propylene copolymer
The acylamide polymers such as polyamide, acid imide polymer, sulfone Type of Collective object, polyether sulfone polymer, polyether-ether-ketone Type of Collective
Object, polyphenylene sulfide ether polymer, vinyl alcohol polymer, vinylidene chloride Type of Collective object, vinyl butyral Type of Collective object, aromatic ester
The blend etc. of Type of Collective object, polyformaldehyde Type of Collective object, epoxide polymer or above-mentioned polymer.These protective films are usually logical
It crosses adhesive layer and fits in polarizer.
It should be noted that can also include a kind of any of the above additive appropriate in protective film.It, can as additive
It enumerates for example：It is ultra-violet absorber, antioxidant, lubricant, plasticizer, releasing agent, anti-coloring agent, fire retardant, nucleating agent, anti-quiet
Electric agent, pigment, colorant etc..The content of above-mentioned thermoplastic resin is preferably 50~100 mass %, more preferably 50 in protective film
~99 mass %, further preferably 60~98 mass %, particularly preferably 70~97 mass %.Above-mentioned thermoplastic in protective film
Property resin content be 50 mass % it is below in the case of, exist and be unable to fully show the intrinsic high transparency of thermoplastic resin
The hidden danger of property etc..
As said protection film, phase difference film, brightness enhancement film, diffusion barrier etc. can also be used.It, can as phase difference film
The phase difference film for the phase difference that it is 40nm or more to enumerate with front phase difference and/or thickness direction phase difference is 80nm or more.
Front phase difference is usually controlled in the range of 40~200nm, and thickness direction phase difference is usually controlled in the range of 80~300nm.
In the case of using phase difference film as protective film, which also functions as polarizer protective film, therefore can
Seek to be thinned.
As phase difference film, it can enumerate and thermoplastic resin film is carried out made of simple tension processing or biaxial tension processing
Birefringence film.Temperature, stretching ratio of above-mentioned stretching etc. can according to phase difference value, the material of film, thickness and suitably set.
The thickness of said protection film can be suitably determined, but usually go out in terms of strength, operability, thin layer, etc.
Hair, preferably 2~200 μm, further preferably 3~100 μm.Especially the thickness (overall thickness) of unilateral protection polarizing coating is adjusted
Whole when being 60 μm or less, from transport property aspect, the thickness of said protection film (in the case where being pre-formed film) is preferably
15~60 μm, further preferably 20~55 μm.On the other hand, from transport property aspect, said protection film (by be coated with,
In the case of being formed by curing) thickness be preferably 3~50 μm, further preferably 5~40 μm.Said protection film can also be with more
Piece or multilayer use.
It can be in the one side setting hard conating for not being bonded polarizer of said protection film, anti-reflection layer, anti adhering layer, diffusion
The functional layers such as layer or antiglare layer.It should be noted that above-mentioned hard conating, anti-reflection layer, anti adhering layer, diffusion layer, antiglare layer etc.
Functional layer can also additionally be arranged to the layer different from protective film other than it could be provided as protective film itself.
< presss from both sides interlayer >
Said protection film and polarizer can press from both sides interlayer and layer across adhesive layer, adhesive phase, lower coating (priming coat) etc.
It stacks.At this point, the two is laminated in a manner of no the air gap preferably by folder interlayer.It should be noted that polarizer 1
It is not shown in FIG. 1 with the folder interlayer of protective film 2.
Adhesive layer can be formed using bonding agent.The type of bonding agent is not particularly limited, and various bonding agents can be used.On
As long as the optically transparent layer of adhesive layer is stated then to be not particularly limited, as bonding agent, can be used aqueous, solvent system,
Heat the bonding agent of the various forms such as system, active energy ray-curable, but preferably aqueous adhesive or active energy line curing
Type bonding agent.
As aqueous adhesive, can enumerate isocyanates bonding agent, polyvinyl alcohol bonding agent, gelatin class bonding agent,
Ethylene base system latex class, waterborne polyester etc..Aqueous adhesive is usually used in the form of the bonding agent formed by aqueous solution, is led to
Solid constituent often containing 0.5~60 weight %.
Active energy ray-curable bonding agent is by electron beam, ultraviolet light (radical-curable, cationic curing type)
Isoreactivity energy line carries out cured bonding agent, can be used in the form of for example electronic beam solidified, ultraviolet hardening.
Radical UV curing type bonding agent for example can be used in active energy ray-curable bonding agent.By the active energy of radical UV curing type
Line curing type bonding agent is measured as ultraviolet hardening and in the case of use, which contains free-radical polymerised compound
And Photoepolymerizationinitiater initiater.
The application pattern of bonding agent can suitably be selected according to the viscosity of bonding agent, the thickness of target.As application pattern
Example, it can be mentioned, for example：Reverse spreader, gravure coater (directly, reversed or hectograph), the reverse spreader of bar type, roller coating
Machine, die coating machine, wire rod coating, dip coated device, bar coater etc..In addition, the modes such as impregnation method may be appropriately used in coating.
In addition, in the case that the coating of above-mentioned bonding agent uses aqueous adhesive etc., preferably so that finally formed bonding
The mode that the thickness of oxidant layer reaches 30~300nm carries out.The thickness of above-mentioned adhesive layer is more preferably 60~150nm.Separately
On the one hand, in the case of using active energy ray-curable bonding agent, preferably so that the thickness of above-mentioned adhesive layer reach 0.2~
20 μm of mode carries out.
It should be noted that when the stacking of mirror and protective film is polarized, it can be between protective film and adhesive layer
Adhesive layer is set.Adhesive layer using for example with polyester backbone, polyether skeleton, polycarbonate backbone, polyurethane skeleton,
The various resins of organic silicon, polyamide backbone, polyimide backbone, polyvinyl alcohol skeleton etc. are formed.These fluoropolymer resins
It can be used alone or two or more is applied in combination.In addition, in the formation of adhesive layer, can also be added other
Additive.Specifically, the stabilizers such as tackifier, ultra-violet absorber, antioxidant, heat-resisting stabilizing agent can be enumerated further
Deng.
In general, adhesive layer is pre-set at protective film, and make the adhesive layer side of the protective film by adhesive layer
It is laminated with polarizer.Being formed for adhesive layer can be by being coated on protection by the forming material of adhesive layer using well known technology
On film and it is dried to carry out.For the forming material of adhesive layer, usually it is considered that thickness, coating after dry
Smoothness etc. and be prepared into being diluted to the solution of debita spissitudo.Thickness after the drying of adhesive layer is preferably 0.01~5 μ
M, it is more preferably 0.02~2 μm, further preferably 0.05~1 μm.It should be noted that multilayer can be arranged in adhesive layer,
In this case, it is also preferred that the overall thickness of adhesive layer is made to fall in above range.
Adhesive phase is formed by adhesive.As adhesive, various adhesives can be used, it can be mentioned, for example：Rubber is viscous
Mixture, silicone adhesive category, carbamates adhesive, vinyl alkyl ethers adhesive, gathers acrylic adhesives
Vinyl pyrrolidone class adhesive, polyacrylamide adhesive, cellulose family adhesive etc..Above-mentioned adhesive can be corresponded to
Type and select the base polymer of adhesiveness.It is excellent from optical transparence, show suitable profit in above-mentioned adhesive
The excellent aspect such as adhesion characteristic and weatherability, heat resistance as moist, coherency and cementability is set out, it is preferable to use propylene
Acrylic binder.
Lower coating (priming coat) is formed to improve the adaptation of polarizer and protective film.As composition priming coat
Material, as long as playing base material film and polyvinyl alcohol resin layer both of which the material of a degree of strong closing force
Material, is just not particularly limited.For example, the excellent thermoplastic resins etc. such as the transparency, thermal stability, draftability can be used.As
Thermoplastic resin, it can be mentioned, for example：Acrylic resin, polyolefin resin, polyester resin, polyvinyl alcohol resin or
Their mixture.
《Coating liquid》
Coating liquid contains resin component or may make up the curability composition of resin layer.Transparent resin is formed by the coating liquid
Layer.
In addition, as long as the form of the coating liquid as above-mentioned coating liquid shows liquid, it is not particularly limited, Ke Yishi
Any one of aqueous, aqueous dispersion, solvent system, solvent-free form.
When the viscosity of above-mentioned coating liquid is low, the readily permeable pars affecta to polarizer, therefore be advantageous.Above-mentioned viscosity exists
The value measured at 25 DEG C is preferably 2000mPas or less, more preferably 1000mPas or less, is more preferably
500mPas or less, further preferably 100mPas or less.
The transparent tree that above-mentioned coating liquid is preferably formed with process (2) afterwards to the coating of unilateral protection polarizing coating (polarizer side)
The thickness of lipid layer reaches 0.2 μm or more of mode to carry out.The thickness of above-mentioned transparent resin layer is preferably 0.5 μm or more, into one
Preferably 0.7 μm or more of step.On the other hand, when transparent resin layer is blocked up, optics reliability and water resistance reduce, therefore, transparent
The thickness of resin layer is preferably 3 μm or less, more preferably less than 3 μm, further preferably 2 μm or less.
As the forming material of above-mentioned transparent resin layer, it can be mentioned, for example：Polyester resin, polyethers resinoid, poly- carbonic acid
Esters resin, polyurethane based resin, organic silicon resin, polyamide-based resin, polyimide based resin, PVA resinoids, propylene
Acid resin, epoxylite, isocyanates resinoid etc..These resin materials can be used alone a kind, or be applied in combination 2 kinds
More than, in these, be preferably selected from a kind in polyurethane based resin, PVA resinoids, acrylic resin, epoxylite with
On, more preferable PVA resinoids, acrylic resin.
As above-mentioned coating liquid, the coating liquid for dissolving or being dispersed with resin component in water is preferably comprised.It dissolves in water
Or dispersion resin component refer to the resin of water is dissolved under room temperature (25 DEG C), water-soluble resin is dissolved in it is aqueous
Resin component made of in solvent.When coating liquid is aqueous or aqueous dispersion, the surface swelling of polarizer, above-mentioned coating as a result,
Liquid immerses in pars affecta, therefore is advantageous.That is, when coating liquid is aqueous or aqueous dispersion, composition polarizer can be partly mitigated
The pars affecta periphery polyvinyl alcohol molecule orientation, while the boric acid content on the pars affecta periphery can be reduced, therefore, i.e.,
Keep the thickness of transparent resin layer small (being, for example, less than 3 μm, preferably 2 μm or less), can also effectively inhibit the expansion of the pars affecta
Greatly.
As the typical example for the resin component that can be dissolved or disperse in water, it can be mentioned, for example：Polyvinyl alcohol resin gathers
(methyl) acrylic acid, polyacrylamide, methylolated melamine resin, methylolation Lauxite, soluble type phenolic resin,
Polyethylene oxide, carboxymethyl cellulose etc..These substances can be used alone, and can also combine a variety of uses.As above-mentioned tree
Fat ingredient is, it is preferable to use polyvinyl alcohol resin, poly- (methyl) acrylic acid, methylolated melamine.Especially from composition
From the perspective of the adaptation of the polyvinyl alcohol resin of polarizer, as above-mentioned resin component, polyvinyl alcohol resin is excellent
Choosing.Hereinafter, the case where to having used polyvinyl alcohol resin, illustrates.
Transparent resin layer is preferably formed by the forming material containing polyvinyl alcohol resin.Form the poly- second of transparent resin layer
Enol resinoid " as long as polyvinyl alcohol resin ", can be identical as the polyvinyl alcohol resin contained by polarizer,
It can also be different.
As above-mentioned polyvinyl alcohol resin, it can be mentioned, for example polyvinyl alcohol.Polyvinyl alcohol can be by by polyvinyl acetate
Ester carries out saponification and obtains.In addition, as polyvinyl alcohol resin, vinyl acetate and the monomer with copolymerizable can be enumerated
Copolymer it is saponified.In the case that the above-mentioned monomer with copolymerizable is ethylene, ethylene-vinyl alcohol copolymer can be obtained.Separately
Outside, it as the above-mentioned monomer with copolymerizable, can enumerate：Maleic acid (acid anhydride), fumaric acid, crotonic acid, itaconic acid, (methyl) propylene
The unsaturated carboxylic acids such as acid and its esters；The alpha-olefins such as ethylene, propylene, (methyl) allyl sulphonic acid (sodium), maleic acid mono alkyl ester
Sodium sulfonate, alkyl maleates sodium disulfonate, N hydroxymethyl acrylamide, acrylamide alkyl sulfonic acid alkali metal salt, N- ethylene
Base pyrrolidones, n-vinyl pyrrolidone derivative etc..These polyvinyl alcohol resins can be used alone or by two
Kind combination of the above uses.
Usable saponification degree is, for example, the above-mentioned polyvinyl alcohol resin of 95 moles of % or more, but from meet humidity resistance,
From the perspective of water resistance, saponification degree is preferably 99 moles of % or more, further preferably 99.7 moles of % or more.Saponification degree table
What is shown is can be by being actually saponified the unit for vinyl alcohol units in the unit that saponification is changed into vinyl alcohol units
Ratio, residue are vinyl ester units.Saponification degree can be found out based on JIS K 6726-1994.
Usable average degree of polymerization is, for example, 500 or more above-mentioned polyvinyl alcohol resin, but from meeting humidity resistance, resistance to
From the perspective of aqueous, average degree of polymerization is preferably 1000 or more, more preferably 1500 or more, further preferably 2000 with
On.The average degree of polymerization of polyvinyl alcohol resin can be measured based on JIS-K6726.
In addition, as above-mentioned polyvinyl alcohol resin, the side chain of above-mentioned polyvinyl alcohol or its copolymer can be used to have
The modified polyvinylalcohol resinoid of hydrophilic functional group.As above-mentioned hydrophilic functional group, it can be mentioned, for example acetoacetyls
Base, carbonyl etc..In addition it is possible to use carrying out acetalation, urethane, etherificate, grafting, phosphorus to polyvinyl alcohol resin
Modified polyvinylalcohol obtained from Esterification etc..
The ratio of transparent resin layer or the polyvinyl alcohol resin in forming material (solid constituent) is preferably 80 weight %
Above, 90 weight % or more, further preferably 95 weight % or more are more preferably.
Above-mentioned coating liquid, which can be prepared into, makes above-mentioned polyvinyl alcohol resin be dissolved in solution made of solvent.As solvent,
It can be mentioned, for example：Water, dimethyl sulfoxide, dimethylformamide, dimethylacetylamide, N-Methyl pyrrolidone, various glycols, three
The amines such as the polyalcohols such as hydroxymethyl-propane, ethylenediamine, diethylenetriamines.These solvents can be used alone or by two kinds
Combination of the above uses.In these solvents, it is preferably prepared to use using water as the aqueous solution of solvent.Above-mentioned forming material
The concentration of above-mentioned polyvinyl alcohol resin in (such as aqueous solution) is not particularly limited, but if in view of screening characteristics, placing
Stability etc. is then 0.1~15 weight %, preferably 0.5~10 weight %.
It should be noted that in above-mentioned coating liquid (such as aqueous solution), as additive, it can be mentioned, for example ethylene glycol,
The polyalcohols such as glycerine.As surfactant, it can be mentioned, for example nonionic surfactants.Further, silane can also be coordinated
The coupling agents such as coupling agent, titanium coupling agent, various thickeners, ultra-violet absorber, antioxidant, heat-resisting stabilizing agent, hydrolysis are stablized
Stabilizers such as agent etc..
The coating of above-mentioned coating liquid preferably carries out in such a way that the thickness after drying reaches 0.2 μm or more.Painting work does not have
Have specifically limited, any suitable method can be used.It can be used for example：Gravure coating process (directly, reversed or hectograph), roller coating
Method, spin-coating method, Wound-rotor type stick coating method, dip coating, die coating method, curtain coating, spray coating method, knife coating (scraper type rubbing method etc.) etc. are each
Kind method.
The coating liquid containing the curability composition that may make up resin is used when then, for forming above-mentioned transparent resin layer
Situation illustrates.As curability composition, it is roughly divided into electronic beam solidified, ultraviolet hardening, visible light curable etc.
Active energy ray-curable and thermohardening type.Consolidate in addition, ultraviolet hardening, visible light curable can divide into free radical polymerization
Change type and cation polymerization curing type.In the present invention, the active energy ray of wave-length coverage 10nm~380nm is recorded as ultraviolet
The active energy ray of wave-length coverage 380nm~800nm is recorded as visible light by line.The solidification of above-mentioned free radical polymerization curing type
Property ingredient can be used as thermohardening type curability composition use.
《Free radical polymerization curing type forming material》
As above-mentioned curability composition, it can be mentioned, for example free-radical polymerised compounds.Free-radical polymerised compound can
Enumerate the compound with free-radical polymerised functional groups of carbon-to-carbon double bonds such as (methyl) acryloyl group, vinyl.These solidifications
Property ingredient can use the multifunctional free-radical polymerised compounds of monofunctional free radical's polymerizable compound or two functions or more
Any one of.In addition, these free-radical polymerised compounds can be used alone, or two or more is applied in combination.Make
For these free-radical polymerised compounds, the preferably compound for example with (methyl) acryloyl group.It should be noted that this hair
In bright, (methyl) acryloyl group refers to acryloyl group and/or methylacryloyl, " (methyl) " it is following be identical meaning.
《Monofunctional free radical's polymerizable compound》
As monofunctional free radical's polymerizable compound, such as (methyl) third with (methyl) acrylamido can be enumerated
Alkenylamide derivative.(methyl) acrylamide derivative not only ensures the adaptation with polarizer, and polymerization speed is fast, production
Property is excellent, from this starting point preferably.As the concrete example of (methyl) acrylamide derivative, such as N- methyl (first can be enumerated
Base) acrylamide, N, N- dimethyl (methyl) acrylamide, N, N- diethyl (methyl) acrylamide, N- isopropyls (methyl)
Alkyl containing N- (methyl) acrylamides such as acrylamide, N- butyl (methyl) acrylamide, N- hexyls (methyl) acrylamide spread out
Biology；N- methylols (methyl) acrylamide, N- ethoxys (methyl) acrylamide, N- methylol-N- propyl (methyl) propylene
The hydroxyalkyls containing N- such as amide (methyl) acrylamide derivative；Amino methyl (methyl) acrylamide, amino-ethyl (methyl) third
The aminoalkyls containing N- such as acrylamide (methyl) acrylamide derivative；N- methoxies acrylamide, N- ethoxyl methyls third
The alkoxies containing N- such as acrylamide (methyl) acrylamide derivative；Mercapto methyl (methyl) acrylamide, mercaptoethyl (methyl)
The mercaptoalkyls containing N- such as acrylamide (methyl) acrylamide derivative；Etc..In addition, the nitrogen as (methyl) acrylamido
Atom formation heterocycle contains heterocycle (methyl) acrylamide derivative, such as can enumerate N- acryloyl morpholines, N- acryloyl groups
Piperidines, N- methacryloylpiperidines, N- acryloyl group pyrrolidines etc..
In above-mentioned (methyl) acrylamide derivative, from the adaptation aspect with polarizer, the preferably alkane of hydroxyl containing N-
Base (methyl) acrylamide derivative, particularly preferred N- ethoxys (methyl) acrylamide.
In addition, as monofunctional free radical's polymerizable compound, it can be mentioned, for example with each of (methyl) acryloxy
Kind (methyl) acrylic acid derivative.Specifically, it can be mentioned, for example：(methyl) methyl acrylate, (methyl) ethyl acrylate,
(methyl) n-propyl, (methyl) isopropyl acrylate, (methyl) acrylic acid 2- methyl -2- nitros propyl ester, (methyl) third
Olefin(e) acid N-butyl, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, (methyl) third
Olefin(e) acid n-pentyl ester, (methyl) t-amyl, (methyl) acrylic acid 3- pentyl esters, (methyl) acrylic acid 2,2- dimethyl butyl ester,
(methyl) the just own ester of acrylic acid, (methyl) aliphatic acrylate, (methyl) n-octyl, (methyl) acrylic acid 2- second
(methyl) acrylic acid such as the own ester of base, (methyl) acrylic acid 4- methyl-2-propyls pentyl ester, (methyl) acrylic acid n-octadecane base ester
(carbon atom number 1-20) alkyl esters.
In addition, as above-mentioned (methyl) acrylic acid derivative, it can be mentioned, for example：(methyl) cyclohexyl acrylate, (methyl)
Acrylate ring pentyl ester etc. (methyl) acrylate base ester；
(methyl) benzyl acrylate etc. (methyl) acrylic acid aralkyl ester；
Ice drops in (methyl) acrylic acid 2- isobornyl thiocyanoacetates, (methyl) acrylic acid 2- norbornies methyl esters, (methyl) acrylic acid 5-
Piece alkene -2- bases methyl esters, (methyl) acrylic acid 3- methyl -2- norbornies methyl esters, (methyl) acrylic acid dicyclopentenyl ester, (methyl)
Acrylic acid dicyclopentenyl oxygroup ethyl ester, (methyl) dicyclopentanyl acrylate etc. polycycles (methyl) acrylate；
(methyl) acrylic acid 2- methoxy acrylates, (methyl) acrylic acid 2- ethoxy ethyl esters, (methyl) acrylic acid 2- methoxies
Ylmethoxy ethyl ester, (methyl) acrylic acid 3- methoxybutyls, (methyl) acrylic ethyl carbitol, (methyl) acrylic acid benzene
(methyl) acrylate containing alkoxy or phenoxy group such as oxygroup ethyl ester, alkyl phenoxy polyethylene glycol (methyl) acrylate；
Etc..
In addition, as above-mentioned (methyl) acrylic acid derivative, can enumerate：(methyl) acrylic acid 2- hydroxy methacrylates, (methyl)
Acrylic acid 2- hydroxy propyl esters, (methyl) acrylic acid 3- hydroxy propyl esters, (methyl) acrylic acid 2- hydroxybutyls, (methyl) acrylic acid 4-
Hydroxybutyl, the own ester of (methyl) acrylic acid 6- hydroxyls, (methyl) acrylic acid 8- hydroxyls monooctyl ester, (methyl) acrylic acid 10- hydroxyl last of the ten Heavenly stems
(methyl) hydroxyalkyl acrylates such as ester, (methyl) acrylic acid 12- hydroxylauric esters, acrylic acid [4- (hydroxymethyl) hexamethylene
Base] hydroxyls such as methyl esters, cyclohexanedimethanol list (methyl) acrylate, (methyl) acrylic acid 2- hydroxyl -3- phenoxy-propyls
(methyl) acrylate；
(methyl) glycidyl acrylate, 4- hydroxybutyls (methyl) acrylate glycidol ether etc. contain epoxy group
(methyl) acrylate；
(methyl) acrylic acid 2,2,2- trifluoro ethyl esters, (methyl) acrylic acid 2,2,2- trifluoroethyls ethyl ester, (methyl) propylene
Sour tetrafluoro propyl ester, (methyl) acrylic acid hexafluoro propyl ester, (methyl) acrylic acid octafluoro pentyl ester, 17 fluorine last of the ten Heavenly stems ester of (methyl) acrylic acid,
(methyl) acrylic acid 3- chlorine-2-hydroxyl propyl ester etc. contains halogen (methyl) acrylate；
(methyl) acrylate etc. (methyl) acrylic acid alkylaminoalkyl ester；
(methyl) acrylic acid 3- oxetanyls methyl esters, (methyl) acrylic acid 3- methy oxetane bases methyl esters, (first
Base) acrylic acid 3- Ethyloxetane bases methyl esters, (methyl) acrylic acid 3- butyl oxetanyls methyl esters, (methyl) propylene
Sour 3- hexyls oxetanyl methyl esters etc. oxygen heterocycle butane group (methyl) acrylate；
(methyl) tetrahydrofurfuryl acrylate, butyrolactone (methyl) acrylate etc. have heterocycle (methyl) acrylate,
3-hydroxypivalic acid neopentyl glycol (methyl) acrylic acid adduct, p-phenyl phenol (methyl) acrylate etc..
In addition, as monofunctional free radical's polymerizable compound, can enumerate：(methyl) acrylic acid, acrylic acid carboxyl second
The carboxyl group-containing monomers such as ester, acrylic acid carboxyl pentyl ester, itaconic acid, maleic acid, fumaric acid, crotonic acid, iso-crotonic acid.
In addition, as monofunctional free radical's polymerizable compound, such as can enumerate：N-vinyl pyrrolidone, N- second
The lactams vinyl monomers such as alkenyl-epsilon-caprolactams, methyl ethylene pyrrolidones；Vinylpyridine, vinylpiperidine
Ketone, vinyl pyrimidine, vinyl piperazine, vinylpyrazine, vinyl pyrrole, vinyl imidazole, vinylAzoles, vinyl
Morpholine etc. has nitrogenous heterocyclic vinyl monomer etc..
In addition, as monofunctional free radical's polymerizable compound, the free-radical polymerised of active methylene can be used
Compound.The free-radical polymerised compound of active methylene is that have (methyl) acryloyl group etc. in end or molecule
The compound of activity double key group and active methylene.As active methylene group, it can be mentioned, for example：Acetoacetyl, alkane
Oxygroup malonyl or Cyanoacetyl etc..Above-mentioned active methylene group is preferably acetoacetyl.As active methylene
Free-radical polymerised compound concrete example, it can be mentioned, for example：(methyl) acrylic acid 2- acetoacetoxyethyls, (methyl)
(the first such as acrylic acid 2- acetoacetoxyethyls propyl ester, (methyl) acrylic acid 2- acetoacetoxyethyl -1- Methylethyls
Base) acrylic acid acetoacetoxyethyl Arrcostab；Two acyloxy ethyl ester of (methyl) acrylic acid 2- ethoxy-cs, (methyl) propylene
Sour 2- cyano-acetoxies ethyl ester, N- (2- cyano-acetoxies ethyl) acrylamide, N- (2- propionos Acetoxybutyl)
Acrylamide, N- (4- acetoacetoxyethyls methylbenzyl) acrylamide, N- (2- acetoacetyls amino-ethyl) propylene
Amide etc..The free-radical polymerised compound of active methylene is preferably (methyl) acrylic acid acetoacetoxyethyl alkane
Base ester.
《Multifunctional free-radical polymerised compound》
In addition, as multifunctional free-radical polymerised compounds more than two functions, it can be mentioned, for example：Tripropylene glycol two
(methyl) acrylate, tetraethylene glycol two (methyl) acrylate, 1,6-hexylene glycols two (methyl) acrylate, 1,9- nonanediols
It is two (methyl) acrylate, 1,10- decanediols diacrylate, two (methyl) acrylate of 2- ethyl -2- butyl propylene glycol, double
Phenol A bis- (methyl) acrylate, bisphenol A epoxy ethane additive product two (methyl) acrylate, bisphenol A propylene oxide addition product two
(methyl) acrylate, bisphenol A diglycidyl ether two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, three
Cyclodecane dimethanol two (methyl) acrylate, cyclic trimethylolpropane dimethoxym ethane (methyl) acrylate (Cyclic
TrimethylolpropaneFormal (meth) Acrylate), twoAlkane glycol two (methyl) acrylate, trihydroxy methyl
Propane three (methyl) acrylate, pentaerythrite three (methyl) acrylate, pentaerythrite four (methyl) acrylate, two seasons penta
Tetrol five (methyl) acrylate, dipentaerythritol six (methyl) acrylate, EO are modified two glycerine four (methyl) acrylate
Carboxylate, the 9,9- bis- [4- (2- (methyl) acryloyloxyethoxy) phenyl] formed Deng (methyl) acrylic acid and polyalcohol
Fluorenes.As concrete example, ARONIXM-220 (Toagosei Co., Ltd's system), LIGHT ACRYLATE 1 can be enumerated, 9ND-A is (altogether
Flourish society's Chemical Co., Ltd. system), LIGHT ACRYLATE DGE-4A (Kyoeisha Chemical Co., Ltd.'s system), LIGHT
(Sartomer is public by ACRYLATE DCP-A (Kyoeisha Chemical Co., Ltd.'s system), SR-531 (Sartomer Company system), CD-536
Department's system) etc..In addition, as needed, can enumerate：Various epoxy (methyl) acrylate, carbamate (methyl) acrylic acid
Ester, polyester (methyl) acrylate, various (methyl) acrylic ester monomers etc..
From the viewpoint of taking into account adaptation and optical durability with polarizer, preferred group of free-radical polymerised compound
It closes and uses monofunctional free radical's polymerizable compound and multifunctional free-radical polymerised compound.In general, relative to radical polymerization
Conjunction property 100 weight % of compound, preferably with 3~80 weight % of monofunctional free radical's polymerizable compound and multifunctional radical polymerization
The ratio of 20~97 weight % of conjunction property compound is applied in combination.
《The form of free radical polymerization curing type forming material》
Free radical polymerization curing type forming material can be with the forming material of active energy ray-curable or thermohardening type
Form uses.In the case where active energy ray is using electron beam etc., which need not contain
There is Photoepolymerizationinitiater initiater, but in the case where active energy ray uses ultraviolet light or visible light, preferably comprises Photoepolymerizationinitiater initiater.
On the other hand, in the case of stating curability composition in use as Thermocurable ingredient, which preferably comprises hot polymerization
Close initiator.
《Photoepolymerizationinitiater initiater》
Use the Photoepolymerizationinitiater initiater in the case of free-radical polymerised compound can be according to active energy ray and suitable for choosing
It selects.By ultraviolet light or visible-light curing, ultraviolet light or the Photoepolymerizationinitiater initiater of visible photodestruciton are used.As
Above-mentioned Photoepolymerizationinitiater initiater, such as can enumerate：Benzil, benzophenone, benzoylbenzoic acid, 3,3 '-dimethyl -4- methoxies
The benzophenone compounds such as base benzophenone；4- (2- hydroxyl-oxethyls) phenyl (2- hydroxyl -2- propyl) ketone, Alpha-hydroxy-α,
The aromatic ketones compounds such as α '-dimethyl acetophenones, 2- methyl -2- hydroxypropiophenonepreparations, Alpha-hydroxy cyclohexyl-phenyl ketone；Methoxyl group
Acetophenone, 2,2- dimethoxy -2- phenyl acetophenones, 2,2- diethoxy acetophenones, 2- methyl-1s-[4- (methyl mercapto) benzene
Base] acetophenone compounds such as -2- morpholino propane -1- ketone；Benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl
The benzoin ethers compound such as ether, benzoin butyl ether, anisoin methyl ether；The aromatic series ketal such as benzil dimethyl ketal
Class compound；The aromatic sulfonyls class compound such as 2- naphthalene sulfonyl chlorides；1- phenyl -1,1- propanedione -2- (adjacent ethoxy carbonyl)
The photolytic activities oxime compound such as oxime；Thioxanthones, 2-chlorothioxanthone, 2- methyl thioxanthones, 2,4- dimethyl thioxanthones, isopropyl thiophene
The thioxanthenes such as ton ketone, bis- clopenthixal ketones of 2,4-, 2,4- diethyl thioxanthones, 2,4- diisopropylthioxanthones, dodecyl thioxanthones
Ketone compounds；Camphorquinone；Halogenated ketone；Acylphosphine oxide；Acyl phosphonate etc..
Relative to 100 parts by weight of total amount of curability composition (free-radical polymerised compound), above-mentioned Photoepolymerizationinitiater initiater
Use level be 20 parts by weight below.The use level of Photoepolymerizationinitiater initiater is preferably 0.01~20 parts by weight, more preferably 0.05
~10 parts by weight, further preferably 0.1~5 parts by weight.
In addition, the case where using the visible light curable for containing free-radical polymerised compound as curability composition
Under, particularly preferably using the Photoepolymerizationinitiater initiater of the light high sensitivity to 380nm or more.The light to 380nm or more is described below
Highly sensitive Photoepolymerizationinitiater initiater.
As above-mentioned Photoepolymerizationinitiater initiater, the following general formula (1) compound represented is preferably used alone；Or it is applied in combination
The Photoepolymerizationinitiater initiater of general formula (1) compound represented and the light high sensitivity to 380nm or more described below.
[chemical formula 1]
(in formula, R1And R2Expression-H ,-CH2CH3,-iPr or Cl, R1And R2It can be identical or different).Use general formula (1) institute
In the case of the compound shown, compared with the case where Photoepolymerizationinitiater initiater to the light high sensitivity of 380nm or more is used alone,
Excellent adhesion.In general formula (1) compound represented, particularly preferred R1And R2For-CH2CH3Diethyl thioxanthone.Relative to
The composition ratio of 100 parts by weight of total amount of curability composition, general formula (1) compound represented in the forming material is preferably
0.1~5 parts by weight, more preferably 0.5~4 parts by weight, further preferably 0.9~3 parts by weight.
Additionally, it is preferred that being added as needed on polymerization trigger auxiliary agent.As polymerization trigger auxiliary agent, can enumerate：Triethylamine, two
Ethamine, N methyldiethanol amine, ethanol amine, 4- dimethylaminobenzoic acids, 4- dimethylaminobenzoic acids methyl esters, 4- dimethyl
Benzocaine, 4- dimethylaminobenzoic acid isopentyl ester etc., particularly preferred ethyl 4-dimethylaminobenzoate.It uses
In the case of polymerization trigger auxiliary agent, additive amount is usually 0~5 parts by weight, preferably relative to 100 parts by weight of total amount of curability
For 0~4 parts by weight, most preferably 0~3 parts by weight.
In addition, as needed, well known Photoepolymerizationinitiater initiater can be applied in combination.Protective film with UV absorbabilities by
In not transmiting 380nm light below, therefore as Photoepolymerizationinitiater initiater, it is preferable to use being high sensitivity to the light of 380nm or more
Photoepolymerizationinitiater initiater.Specifically, can enumerate：2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholino propane -1- ketone, 2-
Benzyl -2- dimethylaminos -1- (4- morphlinophenyls) -1- butanone, 2- (dimethylamino) -2- [(4- aminomethyl phenyls) first
Base] -1- [4- (4- morpholinyls) phenyl] -1- butanone, 2,4,6- trimethyl benzoyl diphenyl base phosphine oxides, bis- (2,4,6- tri-
Methyl benzoyl) phenyl phosphine oxide, bis- (η 5-2,4- cyclopentadiene -1- bases) bis- (bis- fluoro- 3- of 2,6- (1H- pyrroles -1- bases)
Phenyl) titanium etc..
Particularly as Photoepolymerizationinitiater initiater, in addition to the Photoepolymerizationinitiater initiater of general formula (1), preferably further under use
General formula (2) compound represented is stated,
[chemical formula 2]
(in formula, R3、R4And R5Expression-H ,-CH3、-CH2CH3,-iPr or Cl, R3、R4And R5It can be identical or different).Make
It, can be suitable for 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholines used as commercially available product for general formula (2) compound represented
For propane -1- ketone (trade names：IRGACURE907, manufacturer：BASF).In addition, 2- benzyl -2- dimethylamino -1- (4-
Quinoline is for phenyl) -1- butanone (trade names：IRGACURE369, manufacturer：BASF), 2- (dimethylamino) -2- [(4- methylbenzenes
Base) methyl] -1- [4- (4- morpholinyls) phenyl] -1- butanone (trade names：IRGACURE379, manufacturer：BASF) due to sensitive
Degree is high, therefore preferably.
《Thermal polymerization》
As thermal polymerization, preferably do not cause the thermal polymerization of polymerization because of thermal cracking.For example, as hot polymerization
Close initiator, the thermal polymerization that preferably 10 hours half life temperatures are 65 DEG C or more, further preferably 75~90 DEG C.It needs
It is noted that half-life period is the index for the decomposition rate for indicating polymerization initiator, refer to the remaining quantity until polymerization initiator
As the time of half.About with the half-life under the decomposition temperature of random time acquisition half-life period, arbitrary temp, making
It makes in quotient's catalogue etc. recorded in having, for example, being recorded in NOF Corp《Organic peroxide catalogue the 9th edition (2003
May in year)》Deng.
As thermal polymerization, it can be mentioned, for example：Lauroyl peroxide (10 hours half life temperatures：64 DEG C), peroxide
Change benzoyl (10 hours half life temperatures：73 DEG C), (10 is small for bis- (the tert-butyl hydroperoxide) -3,3,5- trimethyl-cyclohexanes of 1,1-
When half life temperature：90 DEG C), dicetyl peroxydicarbonate two (2- ethylhexyls) ester (10 hours half life temperatures：49 DEG C), peroxidating
Two carbonic acid two (4- tert-butylcyclohexyls) esters, peroxide-butyl carbonate (10 hours half life temperatures：51 DEG C), peroxidating
The neodecanoic acid tert-butyl ester (10 hours half life temperatures：48 DEG C), talkyl peropivalate, the peroxidating pivalic acid tert-butyl ester, mistake
Aoxidize two lauroyl (10 hours half life temperatures：64 DEG C), two positive decoyl of peroxidating, peroxidating 2 ethyl hexanoic acid 1,1,3,3- tetra-
Methylbutyl butenoate (10 hours half life temperatures：66 DEG C), peroxidating two (4- toluyls), di-tololyl peroxide (10 hours
Half life temperature：73 DEG C), peroxidating tert-butyl isobutyrate (10 hours half life temperatures：81 DEG C), 1,1- bis- (peroxidating uncle oneself
Base) the organics peroxide such as hexamethylene.
In addition, as thermal polymerization, it can be mentioned, for example：2,2 '-azodiisobutyronitriles (10 hours half life temperatures：
67 DEG C), 2,2 '-azo two (2- methylbutyronitriles) (10 hours half life temperatures：67 DEG C), the bis- (hexamethylene -1- first of 1,1- azos
Nitrile) (10 hours half life temperatures：87 DEG C) etc. azo compounds.
Relative to 100 parts by weight of total amount of curability composition (free-radical polymerised compound), thermal polymerization is matched
Resultant is 0.01~20 parts by weight.The use level of thermal polymerization is more preferably 0.05~10 parts by weight, is more preferably
0.1~3 parts by weight.
《Cation polymerization curing type forming material》
As the curability composition of cation polymerization curing type forming material, can enumerate with epoxy group, oxetanes
The compound of base.As long as compound of the compound intramolecular with epoxy group at least with 2 epoxy groups, just not special
It limits, commonly known various curability epoxides can be used.As the example of preferred epoxide, can enumerate
Intramolecular has the compound (aromatic epoxide) of at least two epoxy group and at least one aromatic rings；Intramolecular has
At least two epoxy group and at least one therein are formed in the compound between the 2 adjacent carbon atoms for constituting ester ring
(cycloaliphatic epoxy) etc..
《Light cationic polymerization initiator》
Cation polymerization curing type forming material contains epoxide and oxetane compound described above and makees
For curability composition, they are all by cation polymerization curing substance, therefore cooperation light cationic polymerization initiator.The light
Cationic polymerization initiators generate cation kind by the irradiation of visible light, ultraviolet light, X-ray, electron beam isoreactivity energy line
Or lewis acid, to cause the polymerisation of epoxy group, oxetanyl.
The application pattern of curing type forming material (coating liquid) can be according to the curing type forming material viscosity, target thickness
And it suitably selects.As the example of application pattern, it can be mentioned, for example：Reverse spreader, gravure coater (directly, reversed or glue
Version), the reverse spreader of bar type, roll coater, die coating machine, wire rod coating, dip coated device, bar coater etc..In addition, coating may be appropriately used
The modes such as impregnation method.
< processes (2) >
In process (2), after above-mentioned working procedure of coating (1), the process by implementing that above-mentioned coating liquid is made to be cured or hardened
(2) transparent resin layer is formed.
When forming above-mentioned transparent resin layer, after being coated with the coating liquid containing above-mentioned resin component, which is made according to type
Fat ingredient cures.Coating liquid containing above-mentioned resin component is solution made of dissolving above-mentioned resin component in a solvent or divides
Dispersion liquid made of dissipating, for example, can be used in the form of aqueous solution, aqueous dispersion dispersion liquid or solvent solution.It is above-mentioned
Solidification refers to forming resin layer by removing solvent from above-mentioned coating liquid.For example, being polyvinyl alcohol in above-mentioned resin component
In the case of resinoid, above-mentioned coating liquid can use in form of an aqueous solutions, can be cured by implementations such as heating.In addition,
In the case that above-mentioned resin component is water-soluble acrylic, it can similarly implement to cure.
Drying temperature is preferably generally 60~200 DEG C, further preferably 70~120 DEG C.Drying time is preferably 10~
1800 seconds, further preferably 20~600 seconds.
On the other hand, when forming above-mentioned transparent resin layer, coating liquid of the coating containing the curability composition that may make up resin
Afterwards, the solidification that the curability composition can be made to form resin is implemented according to the type of the curability composition.It may make up for containing
It, can if above-mentioned curability composition is to show the form of coating liquid for the coating liquid of the curability composition of above-mentioned resin
To use solvent-free class.In addition, above-mentioned coating liquid can use solution made of above-mentioned curability composition is dissolved in solvent.
It should be noted that in the case that above-mentioned curability composition shows the form of coating liquid, can also use as a solution.
It, can be according to the curability composition used suitable for selection as above-mentioned solvent.For example, using the acrylic acid for forming acrylic resin
In the case that class monomer is as above-mentioned curability composition, when using the epoxy monomer for forming epoxy resin, activity can be utilized
Energy line irradiates (ultraviolet light irradiation) etc. implements solidification to the coating liquid containing above-mentioned curability composition.
It is carried out as follows using the formation of the transparent resin layer of above-mentioned curing type forming material (coating liquid)：The one of polarizer
Face coating curing type forming material, is then cured.
Before applying above-mentioned curing type forming material, surface modification treatment can also be carried out to polarizer.As specific
Processing, can enumerate the processing etc. based on sided corona treatment, corona treatment, saponification process.
The solidification > of < forming materials
Above-mentioned curing type forming material is used as active energy ray-curable forming material or thermohardening type forming material.
It, can be with electronic beam solidified, ultraviolet hardening, visible light curable for active energy ray-curable forming material
Mode use.For the mode of above-mentioned curing type forming material, from the viewpoint of productivity, formed with thermohardening type
Material is compared, preferably active energy ray-curable forming material, in addition, as active energy ray-curable forming material, from life
From the perspective of production property, preferred visible light curable forming material.
《Active energy ray-curable》
For active energy ray-curable forming material, active energy ray-curable formation material is applied on polarizer
After material, irradiate active energy ray (electron beam, ultraviolet light, visible light etc.), make active energy ray-curable forming material cure and
Form transparent resin layer.The direction of illumination of active energy ray (electron beam, ultraviolet light, visible light etc.) can be from any suitable direction
Irradiation.It is preferred that being irradiated from 4 side of transparent resin layer.
《It is electronic beam solidified》
In electronic beam solidified, as long as the irradiation condition of electron beam can make above-mentioned active energy ray-curable forming material
Any suitable condition may be used in cured condition.For example, electron beam irradiation accelerating potential be preferably 5kV~
300kV, further preferably 10kV~250kV.When accelerating potential is less than 5kV, there is electron beam that cannot reach transparent resin layer most
Deep becomes to cure insufficient worry, if accelerating potential is more than 300kV, the penetration for existing across sample it is too strong and
The worry of damage is brought to protective film, polarizer.It is 5~100kGy, further preferably 10~75kGy as illuminated line amount.
When illuminated line amount is less than 5kGy, bonding agent solidification is insufficient, if it is greater than 100kGy, then brings damage to protective film, polarizer,
Reduction, the xanthochromia that mechanical strength occurs, are unable to get given optical characteristics.
Electron beam irradiation is usually irradiated in non-active gas, can be imported in an atmosphere, on a small quantity as needed
It is carried out under conditions of oxygen.
《Ultraviolet hardening, visible light curable》
In the manufacturing method of the polarizing coating of the present invention, as active energy ray, preferably comprise wave-length coverage 380nm~
The active energy ray of the visible light of 450nm, the irradiation for particularly preferably using the visible light comprising wave-length coverage 380nm~450nm
Measure most active energy rays.As the active energy ray of the present invention, preferably it is sealed with the metal halide lamp of gallium, sends out wavelength
The LED light source of the light of 380~440nm of range.Or low pressure mercury lamp, medium pressure mercury lamp, high-pressure sodium lamp, ultra high pressure mercury can be used
Lamp, incandescent lamp, xenon lamp, halogen lamp, carbon arc lamp, metal halide lamp, fluorescent lamp, tungsten lamp, gallium lamp, excimer laser or sunlight
Deng the light source for including ultraviolet light and visible light, can also with bandpass filter by the ultraviolet light of the wavelength shorter than 380nm block come
It uses.
《Thermohardening type》
On the other hand, for thermohardening type forming material, by heating, caused using thermal polymerization and polymerize,
To form solidified material layer.Heating temperature can be set according to thermal polymerization, be 60~200 DEG C or so, preferably 80~
150℃。
< processes (3) >
Then, the unilateral protection polarizing coating wound into rolls with transparent resin layer that can not will be obtained in process (2), and
The process (3) for implementing the formation adhesive phase on above-mentioned transparent resin layer, manufactures the polarizing coating with adhesive phase.It can be viscous in band
Diaphragm is set on the adhesive phase of the polarizing coating of mixture layer.
< adhesive phases >
Suitable adhesive can be used when forming adhesive phase, its type is not particularly limited.It, can as adhesive
It enumerates：Rubber adhesive, acrylic adhesives, silicone adhesive category, carbamates adhesive, vinyl alkyl
Ethers adhesive, polyvinyl alcohol series adhesive, polyvinylpyrrolidone class adhesive, polyacrylamide adhesive, fiber
Plain class adhesive etc..
In these adhesives, preferably using optical transparence is excellent, shows suitable wetability, coherency and bonding
The excellent adhesive such as adhesion characteristic and weatherability, heat resistance as property.As the adhesive for showing such feature,
Preferably use acrylic adhesives.
As the method for forming adhesive phase, made using following method：For example, by above-mentioned adhesive be coated on through
The diaphragm etc. for having crossed lift-off processing is drying and removing polymer solvent etc. after forming adhesive phase, is being transferred to the side of polarizer
Method；Or it is coated with above-mentioned adhesive in polarizer, it dries and removes polymer solvent etc. and forms the side of adhesive phase on polarizer
Method；Etc..It should be noted that in coating adhesive, more than one other than polymer solvent suitably can also newly be added
Solvent.
As the diaphragm that have passed through lift-off processing, organosilicon peeling liner is preferably used.It is applied by the adhesive of the present invention
It is distributed in such liner above and makes it dry and formed in the process of adhesive phase, it, can root as the method for making adhesive dry
Suitable method is suitably used according to purpose.It is preferred that using the method being thermally dried to above-mentioned coated film.Heat drying
Temperature is preferably 40 DEG C~200 DEG C, further preferably 50 DEG C~180 DEG C, particularly preferably 70 DEG C~170 DEG C.By making to add
Hot temperature can obtain the adhesive with excellent adhesion characteristic in above-mentioned range.
Drying time can suitably use the suitable time.Above-mentioned drying time is preferably 5 seconds~20 minutes, further
Preferably 5 seconds~10 minutes, particularly preferably 10 seconds~5 minutes.
As the forming method of adhesive phase, various methods can be used.It is specific enumerable for example：Rolling method, roller lick coating
Method, gravure coating process, reversed rubbing method, roller brush method, spray coating method, dipping rolling method, stick coating method, knife coating, air knife coating method, leaching
Coating, die lip rubbing method, the methods of the extrusion coating methods using die coating machine etc..
The thickness of adhesive phase is not particularly limited, for example, 1~100 μm or so.Preferably 2~50 μm, more preferably 2
~40 μm, further preferably 5~35 μm.
In the case where above-mentioned adhesive phase exposes, piece (diaphragm) the protection adhesive that have passed through lift-off processing can be utilized
Layer is until actual use.
As the constituent material of diaphragm, it can be mentioned, for example：Polyethylene, polypropylene, polyethylene terephthalate, polyester
Suitable thin such as the porous materials such as the plastic foils such as film, paper, cloth, non-woven fabrics, net, foamed sheet, metal foil and their layered product
Piece object etc., but from the excellent aspect of surface smoothness, it is preferable to use plastic foil.
As the plastic foil, as long as the film of above-mentioned adhesive phase can be protected then to be not particularly limited, it can be mentioned, for example：
Polyethylene film, polypropylene screen, polybutene film, polybutadiene film, polymethylpentene film, polychloroethylene film, vinyl chloride copolymer film,
Polyethylene terephthalate film, polybutylene terephthalate (PBT) film, polyurethane film, vinyl-vinyl acetate copolymer
Film etc..
The thickness of above-mentioned diaphragm is usually 5~200 μm, preferably 5~100 μm or so.It can also be as needed using having
Machine silicon class, fluorinated, chain alkyl class or fatty acid acyl amine releasing agent, silicon dioxide powder etc. above-mentioned diaphragm is demoulded
And antifouling process or the antistatic process that is coated by type, is mixed into type, vapor deposition type for above-mentioned diaphragm etc..Especially it is possible to logical
It crosses and is suitably carried out by the lift-off processings such as organosilicon processing, chain alkyl processing, fluorine processing and is further carried for the surface of above-mentioned diaphragm
Fissility of the height relative to above-mentioned adhesive phase.
< surface protection films >
Can surface be set on the polarizing coating (including polarizing coating is protected, with the polarizing coating of adhesive phase in unilateral side) of the present invention
Protective film.Surface protection film usually has base material film and adhesive phase, and protects polarizer by the adhesive phase.
As the base material film of surface protection film, from the viewpoints such as inspectability, managerial, may be selected with isotropism or
Close to isotropic membrane material.As its membrane material, it can be mentioned, for example：The polyesters such as polyethylene terephthalate film
Resin, cellulosic resin, acetate esters resin, polyether sulfone resin, polycarbonate resin, polyamide-based resin, polyamides
Imines resinoid, polyolefin resin, polymer transparent as acrylic resin.In these materials, preferred polyesters
Resin.Base material film can also use the layered product of one kind or two or more membrane material, furthermore it is also possible to use the stretching of above-mentioned film
Object.The thickness of base material film is usually 500 μm or less, preferably 10~200 μm.
As the adhesive for the adhesive phase for forming surface protection film, it can suitably select use with (methyl) acrylic polymer
It is basic polymer to close the polymer such as object, silicone-based polymers, polyester, polyurethane, polyamide, polyethers, fluorinated, rubber
Adhesive.Preferably it is basic polymer with acrylic polymer from viewpoints such as the transparency, weatherability, heat resistances
Acrylic adhesives.The thickness (dry film thickness) of adhesive phase can be determined according to required bonding force.Usually 1~
100 μm or so, preferably 5~50 μm.
It should be noted that in surface protection film, it can be in the opposite with the face for being provided with adhesive phase of base material film
On one side, lift-off processing is set using the low cementitious material that have passed through organosilicon processing, chain alkyl processing, fluorine processing etc.
Layer.
The other optical layer > of <
The unilateral protection polarizing coating with adhesive phase of the present invention can be made with other optics layer by layer in actual use
Folded optical film and use.Above-mentioned optical layer is not particularly limited, can use 1 layer or 2 layers or more such as reflecting plate,
Half transmitting plate, phase plate (including 1/2 wave plate, quarter wave plate etc.), compensation film for angular field of view etc. are used for liquid crystal display device etc. sometimes
Formation optical layer.In particular it is preferred that further stacking is anti-on the unilateral protection polarizing coating with adhesive phase of the present invention
It penetrates reflective polarizing film or Semitransmissive polarizing coating made of plate or Transflective plate, phase is further laminated on polarizing coating
Elliptical polarization film or circular polarization film made of poor plate, that wide visual field angle made of compensation film for angular field of view is further laminated on polarizing coating is inclined
Vibrating diaphragm or polarizing coating made of brightness enhancement film is further laminated on polarizing coating.
The optical film that above-mentioned optical layer is laminated on the unilateral protection polarizing coating with adhesive phase of the present invention can also
It is formed by the way of being laminated respectively successively in the manufacture of liquid crystal display devices and the like, but is made in advance stacking
The manufacturing process that when at optical film, stability, assembling operation etc. with quality are excellent, can make liquid crystal display device etc. improves
The advantages of.The bonding way appropriate such as adhesive phase can be used in stacking.The above-mentioned unilateral protection polarizing coating with adhesive phase, its
When the bonding of its optical film, their optic axis can be formed as suitable arrangement angles according to target phase difference characteristic etc..
It is each that the unilateral protection polarizing coating with adhesive phase or optical film of the present invention is preferably used for liquid crystal display device etc.
The formation etc. of kind device.The formation of liquid crystal display device can be carried out based on existing mode.That is, liquid crystal display device usually may be used
The lighting system etc. used by by liquid crystal cells and polarizer, unilateral protection polarizing coating or optical film and as needed
Component parts is suitably assembled and imports driving circuit etc. and formed, but in the present invention, the band bonding in addition to using the present invention
Other than this point of the unilateral protection polarizing coating or optical film of oxidant layer, there is no particular determinations, can be formed according to existing mode.It is right
In liquid crystal cells, any type of liquid crystal cells such as IPS types, VA types, but particularly preferably IPS types can also be used.
The unilateral protection polarization with adhesive phase of unilateral side or both sides configured with the present invention of liquid crystal cells can be formed in
The liquid crystal display device of film or optical film, the liquid crystal display device for having used backlight or reflecting plate in the illumination system etc. are suitable
Liquid crystal display device.In this case, the unilateral protection polarizing coating with adhesive phase or optical film of the present invention can be set to
The unilateral side or both sides of liquid crystal cells.In the feelings of the unilateral protection polarizing coating or optical film with adhesive phase of the both sides setting present invention
Under condition, they can be identical material, can also be different material.Further, when forming liquid crystal display device, may be used
With configure in position 1 layer or 2 layers or more such as diffuser plate, antiglare layer, antireflection film, protection board, prism array, thoroughly
The suitable component such as lens array piece, light diffusing sheet, backlight.
Embodiment
Hereinafter, the present invention will be described in conjunction with the embodiments, but the present invention is not limited by embodiment described below.
It should be noted that part and % in each example are weight basis.Hereinafter, not special provision to be placed at room temperature for condition all
23 DEG C, 65%RH.
Protect polarizing coating > in the unilateral side <
(making of polarizer)
It is 0.75% to water absorption rate, non-crystalline M-phthalic acid that Tg is 75 DEG C is copolymerized polyethylene terephthalate
(IPA is copolymerized PET) film (thickness：100 μm) single side of base material implements sided corona treatment, and to the sided corona treatment face in 25 DEG C of coatings with
9:1 ratio includes polyvinyl alcohol (99.2 moles of degree of polymerization 4200, saponification degree %) and the acetoacetyl modified PVA (degree of polymerization
1200, acetoacetyl modified degree 4.6%, 99.0 moles of % or more of saponification degree, the Nippon Synthetic Chemical Industry Co., Ltd's system, quotient
The name of an article " GOHSEFIMER Z200 ") aqueous solution and be dried, form the PVA resinoid layers of 11 μm of thickness, made layer
Stack.
By obtained laminated body in 120 DEG C of baking oven, (length side along longitudinal direction has been carried out between the different roller of peripheral speed
To) it is stretched to 2.0 times of free end simple tension (the assisting tension processing in atmosphere).
Then, by laminated body 30 DEG C of liquid temperature insoluble bath (coordinate 4 parts by weight of boric acid relative to 100 parts by weight of water and
Obtained boric acid aqueous solution) in impregnated of 30 seconds (insoluble processing).
Then, in the dyeing liquor of 30 DEG C of liquid temperature, iodine concentration, leaching are adjusted in a manner of so that polarizing film is reached given transmissivity
The stain time has been carried out at the same time dipping.In the present embodiment, is coordinating 0.2 parts by weight of iodine relative to 100 parts by weight of water and coordinating iodine
Change in iodine aqueous solution obtained from 1.0 parts by weight of potassium impregnated of 60 seconds (dyeing processing).
Then, (coordinate 3 parts by weight of potassium iodide in the crosslinking of 30 DEG C of liquid temperature bath relative to 100 parts by weight of water and coordinate boric acid
Boric acid aqueous solution obtained from 3 parts by weight) in impregnated of 30 seconds (crosslinking Treatment).
Then, the boric acid aqueous solution for laminated body being impregnated in 70 DEG C of liquid temperature (coordinates 4 weight of boric acid relative to 100 parts by weight of water
Amount part simultaneously coordinate aqueous solution obtained from 5 parts by weight of potassium iodide) in while, along longitudinal direction between the different roller of peripheral speed
(length direction) has carried out simple tension (stretch processing in aqueous solution) in a manner of so that total stretching ratio is reached 5.5 times.
Then, the cleaner bath for laminated body being impregnated in 30 DEG C of liquid temperature (coordinates 4 weight of potassium iodide relative to 100 parts by weight of water
Part obtained from aqueous solution) in (cleaning treatment).
By operating above, the optical film laminate of the polarizer comprising 5 μm of thickness has been obtained.
(making of protective film)
Protective film：It is real to the easy bonding process face of 40 μm (methyl) acrylic resin film with lactone ring structure of thickness
It is used after applying sided corona treatment.
(making for being suitable for the bonding agent of protective film)
By 40 parts by weight of N- hydroxyethyl acrylamides (HEAA), 60 parts by weight of acryloyl morpholine (ACMO) and photoinitiator
" IRGACURE 819 " (BASF AG's system) 3 parts by weight mix, and are prepared for ultraviolet hardening bonding agent.
(making of unilateral side protection polarizing coating)
On the surface of the polarizer of above-mentioned optical film laminate so that the thickness of the adhesive layer after solidification reaches 0.5 μm
Mode is coated with above-mentioned ultraviolet hardening bonding agent, while being bonded said protection film, then, irradiates the purple as active energy ray
Outside line, to make bonding agent cure.Ultraviolet light irradiation has used the metal halide lamp for being sealed with gallium, irradiation unit：Fusion
Light HAMMER10, the valve of UV Systems companies manufacture：V valves, maximal illumination：1600mW/cm2, cumulative exposure 1000/
mJ/cm2The illumination of (380~440nm of wavelength), ultraviolet light are carried out using the Sola-Check systems that Solatell companies manufacture
It measures.Then, amorphism PET base material is removed, has made the unilateral protection polarizing coating (overall thickness 45.5 using slim polarizer
μm).The optical characteristics of obtained unilateral protection polarizing coating is monomer transmissivity 42.8%, degree of polarization 99.99%.
< monomer transmissivity T and degree of polarization P >
Gained is determined using the spectral transmission analyzer (Dot-3c of color technical research institute in village) with integrating sphere
The monomer transmissivity T and degree of polarization P of unilateral side protection polarizing coating.
It should be noted that degree of polarization P in such a way that the axis of homology of the two is parallel by overlapping 2 identical polarizing coatings
In the case of transmissivity (parallel transmission：Tp the transmissivity in the case of overlapping) and in such a way that the axis of homology of the two is orthogonal
(orthogonal transmission：Tc it) is found out applied to following formula.
Degree of polarization P (%)={ (Tp-Tc)/(Tp+Tc) }1/2×100
When each transmissivity is by being set as 100% by the complete polarized light obtained after Glan-Taylor prism polarizer, pass through
2 degree of visuals field (illuminant-C) of JIS Z8701 measure and have carried out the transmissivity that Y value indicates obtained from visibility correction.
(the forming material of transparent resin layer：Coating liquid)
The polyvinyl alcohol resin of 99.7 moles of degree of polymerization 2500, saponification degree % is dissolved in pure water, be prepared for solid at
Divide aqueous solution (coating liquid) of 4 weight % of concentration, viscosity 60mPaS
(preparation of acrylic polymer)
It is added containing acrylic acid fourth in the 4 neck flasks for having stirring blade, thermometer, nitrogen ingress pipe, cooler
The monomer mixture of 1 part of 99 parts of ester and acryllic acid 4- hydroxybutyls.Further, relative to above-mentioned monomer mixture (solid
Ingredient) 100 parts, by 2 as polymerization initiator, 2 ' -0.1 part of azodiisobutyronitriles and ethyl acetate are added together, delay on one side
Slow stirring imports nitrogen on one side, after carrying out nitrogen displacement, the liquid temperature in flask is maintained at 60 DEG C or so and has carried out polymerization in 7 hours instead
It answers.Then, ethyl acetate is added in obtained reaction solution, has obtained solid component concentration and has adjusted to 30% and Weight-average molecular
The solution for the acrylic polymer that amount is 1,400,000.
(preparation of adhesive composition)
Relative to 100 parts of the solid constituent of above-mentioned acrylic polymer solution, coordinate trimethylolpropane xyxylene
Diisocyanate (Mitsui Chemicals, Inc.'s system：TakenateD110N) 0.1 part, 0.3 part of dibenzoyl peroxide and γ-epoxy third
0.075 part of oxygroup propyl trimethoxy silicane (Shin-Etsu Chemial Co., Ltd's system, trade name " KMB-403 "), is prepared for third
Olefin(e) acid class binder solution.
(formation of adhesive phase)
Then, above-mentioned acrylic adhesives solution is equably coated on sprayer and is handled through organic silicon remover
The surface for the polyethylene terephthalate film (diaphragm) crossed, it is 2 points dry in 155 DEG C of air circulating type constant temperature oven
Clock forms the adhesive phase of 20 μm of thickness on the surface of diaphragm.
Embodiment 1
The making > of unilateral protection polarizing coatings of the < with transparent resin layer
Using applying device (being specially gravure coater), in rising for the above-mentioned unilateral protection polarizing coating sent with 20m/ partite transports
On the face (protective film is not arranged is polarized minute surface) of polariscope, transparent resin layer is coated in such a way that thickness after drying reaches 1 μm
Forming material (coating liquid), then heated-air drying 30 seconds at 85 DEG C, have made the unilateral protection polarization with transparent resin layer
Film.
The making > of polarizing coatings of the < with adhesive phase
Then, the unilateral protection polarizing coating wound into rolls with transparent resin layer not by obtained above, and continue (specific
After 18 seconds) adhesive in the lift-off processing face for being formed in above-mentioned release sheet (diaphragm) is bonded on above-mentioned transparent resin layer
Layer, has made the polarizing coating with adhesive phase.Then, the polarizing coating with adhesive phase is wound, roll is made.
In embodiment, the manufacture in manufacture after the unilateral protection polarizing coating with transparent resin layer, before being bonded adhesive phase
In line, use device (measures the device of film thickness：Optical spectroscope：USB2000+, the light source of Ocean optics companies manufacture：
HL-2000, optical fiber：ZFQ-12796 (200 μm of reflecting fibres), polarizer：Unilateral protection polarizing coating obtained above) it measures
The film thickness of transparent resin layer.Determination condition is to measure wavelength：450nm~800nm, transparent resin layer refractive index：1.51.Implement
The film thickness of the transparent resin layer obtained in example is stablized, and is 1.0 ± 0.1 μm.
Comparative example 1
The unilateral protection polarizing coating winding with transparent resin layer that will be made in the same manner as embodiment, is made roll.So
Afterwards, it attempts continuously to extract out from the roll of the unilateral protection polarizing coating with transparent resin layer, but since roll sticks together,
Therefore it cannot continuously be extracted out.
Comparative example 2
The unilateral protection polarizing coating with transparent resin layer made in the same manner as embodiment is rolled up under conditions of band diaphragm
Around roll is made.Then, it attempts continuously to extract out from the roll of the unilateral protection polarizing coating with transparent resin layer, but thoroughly
Ming tree lipid layer and the adaptation of diaphragm are weak, due to being crumpled when transporting, are broken immediately after transport.
In embodiment, the generation risk of nano slit is low, on the other hand, in a comparative example, the generation wind of nano slit
Danger is high.
Claims (9)
1. a kind of manufacturing method of the unilateral protection polarizing coating with adhesive phase, the unilateral protection polarizing coating with adhesive phase from
Only in the single side of polarizer, the polarizer side of the unilateral protection polarizing coating with protective film with transparent resin layer and is glued successively
Mixture layer,
The polarizer contains polyvinyl alcohol resin, and thickness is 10 μm hereinafter, and with by monomer transmissivity T and degree of polarization
The mode for the condition that the optical characteristics that P is indicated meets following formula is constituted：
P >-(100.929T-42.4- 1) × 100 (wherein, T < 42.3) or
P >=99.9 (wherein, T >=42.3),
The formation of the transparent resin layer and adhesive phase is carried out by following methods：
Transparent resin layer is formed by implementing process (1) and process (2), in the process (1), the unilateral protection is transported on side
Polarizing coating side is in polarizer side coating liquid of the coating containing resin component of the unilateral protection polarizing coating or containing can constitute
The coating liquid of the curability composition of resin layer, the process (2) carry out after the working procedure of coating (1), the process (2)
In, so that the coating liquid is cured or hardened, then,
Implement process (3), in the process (3), the obtained unilateral protection polarizing coating with transparent resin layer is not wound into a roll
Shape, and form adhesive phase on the transparent resin layer.
2. the manufacturing method of the unilateral protection polarizing coating according to claim 1 with adhesive phase, wherein in the process
(2) there is the process (4) for the film thickness that transparent resin layer is measured in shipping line after, before the process (3).
3. the manufacturing method of the unilateral protection polarizing coating according to claim 2 with adhesive phase, wherein the process
(4) by being carried out using the optical interference mode of polarizer in the front end of light source.
4. the manufacturing method of the unilateral protection polarizing coating described in any one of claim 1 to 3 with adhesive phase,
In, the coating liquid in the process (1) contains the resin component being dissolved or dispersed in water, in process (2), by solidification
Form transparent resin layer.
5. the manufacturing method of the unilateral protection polarizing coating according to claim 4 with adhesive phase, wherein described to contain tree
The coating liquid of fat ingredient is the aqueous solution containing polyvinyl alcohol resin.
6. the manufacturing method of the unilateral protection polarizing coating according to any one of claims 1 to 5 with adhesive phase,
In, viscosity of the coating liquid at 25 DEG C in the process (1) is 1000mPas or less.
7. according to the manufacturing method of the unilateral protection polarizing coating according to any one of claims 1 to 6 with adhesive phase,
In, the polarizer contains boric acid relative to polarizer total amount with 20 weight % or less.
8. the manufacturing method of the unilateral protection polarizing coating according to any one of claims 1 to 7 with adhesive phase,
In, it is laminated with diaphragm on described adhesive layer,
9. the manufacturing method of the unilateral protection polarizing coating according to claim 8 with adhesive phase, wherein will be with adhesive
Coiling body is made in the unilateral protection polarizing coating of layer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016057290A JP6737609B2 (en) | 2016-03-22 | 2016-03-22 | Method for producing one-sided protective polarizing film with adhesive layer |
| JP2016-057290 | 2016-03-22 | ||
| PCT/JP2017/010679 WO2017164064A1 (en) | 2016-03-22 | 2017-03-16 | Method for producing polarizing film protected on one side and equipped with adhesive layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108780181A true CN108780181A (en) | 2018-11-09 |
| CN108780181B CN108780181B (en) | 2021-02-09 |
Family
ID=59900349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780017068.2A Active CN108780181B (en) | 2016-03-22 | 2017-03-16 | Method for producing single-side protective polarizing film with adhesive layer |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6737609B2 (en) |
| KR (1) | KR102093814B1 (en) |
| CN (1) | CN108780181B (en) |
| TW (1) | TWI725142B (en) |
| WO (1) | WO2017164064A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684329A (en) * | 2018-02-06 | 2020-09-18 | 富士胶片株式会社 | Laminate, method for producing laminate, and image display device |
| CN113508317A (en) * | 2019-03-08 | 2021-10-15 | 日东电工株式会社 | Polarizing film, polarizing plate, and method for producing polarizing film |
| CN114930211A (en) * | 2020-01-10 | 2022-08-19 | 日东电工株式会社 | Method for producing polarizing film |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021076806A (en) * | 2019-11-13 | 2021-05-20 | 日東電工株式会社 | Manufacturing method of laminated polarization film |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001350021A (en) * | 2000-06-06 | 2001-12-21 | Sumitomo Chem Co Ltd | Thin optical laminate and its manufacturing method |
| JP4525069B2 (en) * | 2003-03-31 | 2010-08-18 | 住友化学株式会社 | Polarizing plate and manufacturing method thereof |
| JP5051696B2 (en) * | 2007-04-06 | 2012-10-17 | 住友化学株式会社 | Polarizer |
| JP5324316B2 (en) | 2008-05-27 | 2013-10-23 | 日東電工株式会社 | Adhesive polarizing plate, image display device, and manufacturing method thereof |
| JP5048120B2 (en) * | 2010-03-31 | 2012-10-17 | 住友化学株式会社 | Method for producing polarizing laminated film and method for producing polarizing plate |
| JP4691205B1 (en) | 2010-09-03 | 2011-06-01 | 日東電工株式会社 | Method for producing optical film laminate including thin high-performance polarizing film |
| JP5504232B2 (en) * | 2011-09-22 | 2014-05-28 | 住友化学株式会社 | Manufacturing method of polarizing plate |
| JP2013160775A (en) * | 2012-02-01 | 2013-08-19 | Sumitomo Chemical Co Ltd | Polarizer and optical member |
| JP2013254072A (en) * | 2012-06-06 | 2013-12-19 | Nitto Denko Corp | Polarizing plate, optical film, and image display device |
| JP6066707B2 (en) * | 2012-12-13 | 2017-01-25 | 日東電工株式会社 | Manufacturing method of polarizing film |
| JP6488125B2 (en) * | 2013-12-26 | 2019-03-20 | 日東電工株式会社 | Laminated polarizing film, method for producing the same, laminated optical film, and image display device |
| JP6235370B2 (en) * | 2014-02-19 | 2017-11-22 | 住友化学株式会社 | Production method of polarizing laminated film and polarizing plate |
| JP6249820B2 (en) * | 2014-02-27 | 2017-12-20 | 住友化学株式会社 | Manufacturing method of polarizing plate and polarizing plate |
| JP6078132B1 (en) * | 2015-08-27 | 2017-02-08 | 日東電工株式会社 | Manufacturing method of polarizing film |
| JP6125063B2 (en) * | 2015-02-13 | 2017-05-10 | 日東電工株式会社 | Polarizing film with pressure-sensitive adhesive layer, method for producing the same, image display device, and method for continuously producing the same |
| JP6125061B2 (en) * | 2015-02-13 | 2017-05-10 | 日東電工株式会社 | Polarizing film, polarizing film with pressure-sensitive adhesive layer, image display device, and continuous production method thereof |
-
2016
- 2016-03-22 JP JP2016057290A patent/JP6737609B2/en active Active
-
2017
- 2017-03-16 KR KR1020187021341A patent/KR102093814B1/en active IP Right Grant
- 2017-03-16 CN CN201780017068.2A patent/CN108780181B/en active Active
- 2017-03-16 WO PCT/JP2017/010679 patent/WO2017164064A1/en active Application Filing
- 2017-03-21 TW TW106109279A patent/TWI725142B/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684329A (en) * | 2018-02-06 | 2020-09-18 | 富士胶片株式会社 | Laminate, method for producing laminate, and image display device |
| CN113508317A (en) * | 2019-03-08 | 2021-10-15 | 日东电工株式会社 | Polarizing film, polarizing plate, and method for producing polarizing film |
| CN114930211A (en) * | 2020-01-10 | 2022-08-19 | 日东电工株式会社 | Method for producing polarizing film |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6737609B2 (en) | 2020-08-12 |
| JP2017173434A (en) | 2017-09-28 |
| KR102093814B1 (en) | 2020-03-27 |
| CN108780181B (en) | 2021-02-09 |
| KR20180098352A (en) | 2018-09-03 |
| TW201807124A (en) | 2018-03-01 |
| TWI725142B (en) | 2021-04-21 |
| WO2017164064A1 (en) | 2017-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104122614B (en) | Polarizing coating and its manufacture method, optical film and image display device | |
| CN107076911B (en) | Unilateral side protection polarizing coating, the polarizing coating with adhesive phase, image display device and its method for continuous production | |
| CN107076910B (en) | Unilateral side protection polarizing coating, the polarizing coating with adhesive phase, image display device and its method for continuous production | |
| CN106716196B (en) | The manufacturing method of polarizing coating | |
| CN106104321B (en) | The manufacturing method and polarization plates of polarization plates | |
| CN108780179A (en) | Manufacturing method, the manufacturing method of optical laminate of the manufacturing method of unilateral protection polarizing coating with transparent resin layer, the polarizing coating with adhesive phase | |
| CN103483987B (en) | Anchor layer is formed with coating fluid, band adhesive phase optical thin film and its manufacture method | |
| CN104822784B (en) | Active energy ray curable adhesive compound, polarizing coating and its manufacture method, optical film and image display device | |
| CN104062701B (en) | The manufacturing method of polarizer | |
| CN107076908A (en) | One side protection polarizing coating, the polarizing coating with adhesive phase, image display device and its method for continuous production | |
| CN108780181A (en) | The manufacturing method of unilateral protection polarizing coating with adhesive phase | |
| JP2020112837A (en) | Polarizing film and polarizing plate having the same | |
| CN106030352A (en) | Method for manufacturing polarizing multilayer film and method for manufacturing polarizing plate | |
| TW201142381A (en) | Polarizing layered film, polarizing plate and method for producing the same | |
| CN105579538B (en) | Manufacture method, optical film and the image display device of optical film | |
| CN104076427B (en) | Manufacturing method, polarization plates, optical film and the image display device of polarization plates | |
| TWI654451B (en) | Polarizing plate | |
| CN106019419B (en) | Stacked film, the manufacturing method of stacked film, the manufacturing method of polarizability stacked film, the manufacturing method of polarizing film | |
| CN108431650A (en) | The manufacturing method of optical film | |
| CN109154689A (en) | Polarizing coating, polarizing coating and image display device with adhesive phase | |
| TWI725980B (en) | Optical film and manufacturing method thereof | |
| JP2016071347A (en) | Polarizing plate | |
| CN108780177A (en) | Polarizing coating, the polarizing coating with adhesive phase, the manufacturing method of polarizing coating and image display device | |
| CN106575009B (en) | The manufacturing method of polarization plates | |
| CN108463750A (en) | Unilateral protection polarizing coating, image display device and its method for continuous production with adhesive phase |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |