CN104216033B - Anti-dazzle hardness film coating - Google Patents
Anti-dazzle hardness film coating Download PDFInfo
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- CN104216033B CN104216033B CN201410229766.7A CN201410229766A CN104216033B CN 104216033 B CN104216033 B CN 104216033B CN 201410229766 A CN201410229766 A CN 201410229766A CN 104216033 B CN104216033 B CN 104216033B
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
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- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133502—Antiglare, refractive index matching layers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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Abstract
The present invention is provided can make the writing sense of stylus good with anti-dazzle hardness film coating itself, while be not easy to find out the anti-dazzle hardness film coating of the fingerprint of attachment.In order to solve the above problems, anti-dazzle hardness film coating 1 is provided, as the touch panel anti-dazzle hardness film coating 1 for having base material film 11 and the antiglare hardcoat formed on the face of the side of base material film 11 12, to 12 surface of antiglare hardcoat, make the hard felt core stylus of a diameter of 0.5mm of pen tip under the pressurization of heavy burden 150g weight, meet the relationship of following formula (a) with the initial motion value (A) and slip value (B) of pen tip resistance (mN) when velocity scanning in 100mm/ minutes, simultaneously, the oleic acid contact angle on 0≤initial motion value (A) slip value (B) ... (a) antiglare hardcoat, 12 surface is 45 ° or less.
Description
Technical field
The present invention relates to the touch panel anti-dazzle hardness film coatings for using stylus.
Background technology
In recent years in electronic equipment of various, mostly using the touch panel for having both display device and input unit.The touch surface
The hard coat film with hard conating is arranged generally for damage is prevented in the surface of plate.In addition, including the various displays of touch panel
Device can reflect from external incident light, be difficult to see display image clearly sometimes, therefore sometimes through the surface of hard coat film is thick
Change, and uses the anti-dazzle hardness film coating for imparting anti-dazzle function.
In touch panel as described above, other than being inputted with finger, the touch panel also inputted sometimes with stylus,
Using stylus, since it is thinner than finger, input operation with high accuracy can be carried out.But usual touch surface
The display module of plate is hard, and the touch panel surface for being provided with anti-dazzle hardness film coating is similarly hard.Therefore, touch-control
The writing sense of pen is different from the writing sense when being write on paper such as pencil or ball pen, and difficulty deserves to be called good.
In order to solve the problems, such as the writing sense, in patent document 1, by being arranged with resiliency between 2 base materials
Pressure sensitive adhesive layer makes touch panel have defined elastic deformability, to improve the writing sense of stylus.
Existing technical literature
Patent document
Patent document 1：No. 2868686 bulletin of patent
Invention content
The subject that the invention solves
But there is the necessity for making pressure sensitive adhesive layer that there is resiliency in patent document 1.It therefore, can be by for the pressure
The restriction of the material of sensitive adhesive layer, or need to keep the pressure sensitive adhesive layer relatively thick.Manufacturing process becomes complicated as a result,
Meanwhile manufacturing cost increases.
In addition, in touch panel, even if often having the case where hand encounters touch panel if using stylus input mode,
Therefore on the surface of touch panel, it will usually have fingerprint due to the grease on finger.On previous anti-dazzle hardness film coating such as
Fruit adheres to fingerprint, then due to fingerprint is apparent and degraded appearance, meanwhile, display image becomes difficult to see clearly.
The present invention is made in view of such present situation, and it is an object of the present invention to provide can make to touch with anti-dazzle hardness film coating itself
The writing sense for controlling pen is good, and is not easy to find out the anti-dazzle hardness film coating of the fingerprint of attachment.
Means for solving the problems
In order to achieve the above objectives, first, the present invention provides anti-dazzle hardness film coating, to have base material film and in the base
The touch panel anti-dazzle hardness film coating for the antiglare hardcoat being arranged on the face of the side of material film, which is characterized in that described
Antidazzle hard coating layer surface, make the hard felt core stylus of a diameter of 0.5mm of pen tip under the pressurization of heavy burden 150g weight, with
The initial motion value (A) and slip value (B) of pen tip resistance (mN) meet the pass of following formula (a) when velocity scanning in 100mm/ minutes
System, meanwhile,
0≤initial motion value (A)-slip value (B) ... (a)
The oleic acid contact angle of the Antidazzle hard coating layer surface is 45 ° or less (inventions 1).
Anti-dazzle hardness film coating described in foregoing invention (invention 1), by the initial motion value (A) of pen tip resistance (mN) and
Slip value (B) meets above-mentioned relation, the writing sense of stylus can be made to become good with anti-dazzle hardness film coating itself, in addition, logical
Oleic acid contact angle is crossed at 45 ° hereinafter, the fingerprint of attachment is made to be not easy to be seen.
In foregoing invention (invention 1), the initial motion value (A) and slip value (B) of the preferably described pen tip resistance (mN)
Meet the relationship (invention 2) of following formula (b).
5≤initial motion value (A)-slip value ()≤200 ... B (b)
In foregoing invention, (invention 1, in invention 2), the oleic acid contact angle is preferably 25 °~45 ° (inventions 3).
In foregoing invention (invention 1~invention 3), the preferably described antiglare hardcoat is to make containing multifunctional (methyl) third
Olefin(e) acid ester, average grain diameter are (invention 4) made of 1 μm~10 μm of particle and the curing of coating composition of levelling agent.
In foregoing invention (invention 1~invention 4), the particle is preferably amorphous silica particle (invention 5).
The effect of invention
Anti-dazzle hardness film coating of the present invention writes sense well, while being not readily apparent the fingerprint of attachment.
Description of the drawings
Fig. 1 is the sectional view of the anti-dazzle hardness film coating involved by an embodiment of the present invention.
Fig. 2 be show pen tip measure of resistance result an example (involved by present embodiment about Antidazzle hard coating
The example of film) figure.
Fig. 3 is the figure for another example (example about general anti-dazzle hardness film coating) for showing pen tip measure of resistance result.
Reference sign
1 ... anti-dazzle hardness film coating
11 ... base material films
12 ... antiglare hardcoats
Specific implementation mode
Hereinafter, being illustrated about embodiments of the present invention.
As shown in Figure 1, the anti-dazzle hardness film coating 1 described in present embodiment is including base material film 11 and in 11 side of base material film
The antiglare hardcoat 12 formed on face.The anti-dazzle hardness film coating 1, is set to the surface of the touch panel using stylus.
1. physical property
Anti-dazzle hardness film coating 1 described in present embodiment (does not contact the surface of antiglare hardcoat 12 with base material film 11
Side face), make the hard felt core stylus of a diameter of 0.5mm of pen tip, under the pressurization of heavy burden 150g weight, with 100mm/ point
The initial motion value (A) and slip value (B) of pen tip resistance (mN), meet the relationship of following formula (a) when the velocity scanning of clock.
0≤initial motion value (A)-slip value (B) ... (a)
Herein, the initial motion value (A) of pen tip resistance refers to starting the pen tip resistance of the stage display of scanning in stylus
Value be usually detected as peak value as shown in FIG. 2 and 3.On the other hand, the slip value (B) of pen tip resistance refers to initial fortune
Pen tip resistance average value after influence when dynamic in the case where stablizing scanning mode.For example, in Fig. 2 sweep length be 10mm~
The average value of the pen tip resistance of 40mm is slip value (B).On the other hand, the pen tip that sweep length is 15mm~40mm in Fig. 3 hinders
The average value of power is slip value (B).
As shown in above-mentioned formula (a), by the value (difference of pen tip resistance for subtracting slip value (B) from initial motion value (A)
(A-B)) it is 0mN or more, anti-dazzle hardness film coating 1, particularly without pressure sensitive adhesive layer etc. of the setting with resiliency, use is anti-dazzle
Property hard coat film itself can make the writing sense of stylus become good.It is considered that this is initial motion value (A) and slip value (B)
Relationship with pencil on paper write when relationship similar in reason.From the viewpoint, from initial motion value (A)
The lower limiting value for subtracting the value of slip value (B) is preferably 5mN or more, particularly preferably in 10mN or more.Further more, not having on surface
Concave-convex general hard coat film does not observe the initial motion value (A) for indicating peak-peak.In addition, in general anti-dazzle hardness film coating
In, although as shown in figure 3, initial motion value (A) can be observed, pen tip resistance increases thereafter, and slip value (B) becomes larger, therefore
The difference (A-B) of the pen tip resistance, usually shows negative value.
Further more, initial motion value (A) and slip value (B) be if meet above-mentioned relation, though use with it is described hard
It, also can be true when the case where material and pen tip diameter of felt core stylus different stylus (for example, polyacetals core stylus)
Recognize the effect that the writing sense of anti-dazzle hardness film coating improves.
On the other hand, slip value (B) is subtracted from initial motion value (A) if value it is excessive, have pen tip easy to wear
The problem of, it might have and start to write the feeling being stuck or make a sound.From the viewpoint, from initial motion value
(A) upper limit value of the value of slip value (B) is subtracted in, preferably 200mN hereinafter, particularly preferably 150mN hereinafter, further preferably
For 100mN or less.
In addition, the initial motion value (A) is preferably 200mN~600mN, particularly preferably 240mN~500mN, into one
Step is preferably 280mN~450mN.On the other hand, the slip value (B) is preferably 100mN~550mN, particularly preferably 150mN
~490mN, further preferably 200mN~440mN.
In addition, anti-dazzle hardness film coating 1 described in present embodiment, the oleic acid contact angle on 12 surface of antiglare hardcoat are
45 ° hereinafter, preferably 25 °~45 °, particularly preferably 30 °~40 °.Further more, oleic acid contact angle refers to keeping the drop of oleic acid quiet
Set in the state of Antidazzle hard coating layer surface, drop the contact portion of the hard coating surface tangent with it is described hard
In the angle that coating surface is constituted, include the angle of the side of drop.
By the oleic acid contact angle of anti-dazzle hardness film coating 1, at 45 °, hereinafter, the fingerprint of attachment is made to be not easy to be seen, (fingerprint is non-
Visibility is excellent).The oleic acid contact angle is if it exceeds 45 °, then the fingerprint adhered to is drastically easily seen, the appearance of touch panel
It is deteriorated, meanwhile, display image becomes to be not easy to see clearly.On the other hand, oleic acid contact angle has the pen tip of stylus if it is less than 25 °
The possibility that easy to wear or 12 surface of antiglare hardcoat resistance to marring (steel wool hardness) is deteriorated.
2. antiglare hardcoat
The antiglare hardcoat 12 of anti-dazzle hardness film coating 1 in present embodiment, as long as to the initial motion of pen tip resistance
Value (A), slip value (B) and oleic acid contact angle can play above-mentioned physical property, then formed by any material, but preferably make with
The coating composition C of lower explanation is solidified to form.If using coating composition C, easy formation meets the anti-dazzle of above-mentioned physical property
Property hard conating 12.
Coating composition C in present embodiment is 1 μm~10 containing multifunctional (methyl) acrylate and average grain diameter
μm particle and levelling agent, preferably further containing average grain diameter be 1nm~300nm Nano particles of silicon dioxide.In addition, this
In specification, so-called (methyl) acrylate, it is intended that both acrylate and methacrylate.Other similar terms
Equally.
(1) multifunctional (methyl) acrylate
Coating composition C contains multifunctional (methyl) acrylate as curability principal component.Multifunctional (methyl) propylene
Acid esters crosslinking curing by the irradiation of active energy ray.Due to product made of making multifunctional (methyl) acrylate be crosslinked
Crosslink density is high, therefore by using the multifunctional (methyl) acrylate, is formed by antiglare hardcoat 12 and has and wishes
The hardness and resistance to marring of prestige.
As multifunctional (methyl) acrylate, for example, 1,4-butanediol two (methyl) acrylate, 1,6-
Hexylene glycol two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, polyethylene glycol two (methyl) acrylate, hydroxyl
Neopentanoic acid neopentyl glycol two (methyl) acrylate, bicyclopentyl two (methyl) acrylate, caprolactone modification dicyclopentenyl
Two (methyl) acrylate, ethylene-oxide-modified di(2-ethylhexyl)phosphate (methyl) acrylate, allylation cyclohexyl two (methyl) propylene
Acid esters, isocyanuric acid ester two (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, three (first of dipentaerythritol
Base) acrylate, propionic acid be modified dipentaerythritol three (methyl) acrylate, pentaerythrite three (methyl) acrylate, epoxy
Propane is modified trimethylolpropane tris (methyl) acrylate, three (acrylyl oxy-ethyl) isocyanuric acid esters, propionic acid and was modified for two seasons
Penta tetrol five (methyl) acrylate, dipentaerythritol six (methyl) acrylate, six (first of caprolactone modification dipentaerythritol
Base) acrylate etc..These can be used alone, and can also be used in combination of two or more.
Consider from the resistance to marring of antiglare hardcoat 12, and derived from the transparent viewpoint of levelling agent compatibility, it is more
The reactive functionality number of function (methyl) acrylate is preferably 2~10, and particularly preferably 3~8.
(2) particle
Coating composition C contains the particle that average grain diameter is 1 μm~10 μm.By containing such particle, it is formed by
Antiglare hardcoat 12, surface becomes rough surface, plays anti-dazzle function.The average grain diameter of the particle is preferably 2 μm~8 μ
M, particularly preferably 3 μm~5 μm.
In addition, the grain size coefficient of alteration shown in following formula (CV values) of the particle, preferably 10%~70%, especially
Preferably 20%~60%.
The coefficient of alteration (CV values) of grain size=(standard deviation grain size/average grain diameter) × 100
By the CV values of the particle in above range, then the writing sense of stylus becomes more good.
Further more, the coefficient of alteration (CV values) of the average grain diameter and grain size in this specification, to utilize laser diffraction and scattering
Formula particle size distribution device makes the dispersion liquid for the 5 mass % concentration modulated using dispersant methyl ethyl ketone as sample
The value measured with several drops.
The particle can be inorganic particles, or organic fine particles, but from being formed by antiglare hardcoat 12
The consideration of hardness viewpoint, preferably inorganic particles.As inorganic particles, such as can enumerate including silica, aluminium oxide, oxidation
The particle of titanium, zirconium oxide, tin oxide, indium oxide, cadmium oxide, antimony oxide etc..Wherein, preferred silicon dioxide microparticle.In addition, particle
It can be used alone, can also be used in combination of two or more.
The shape of particle can be that spherical wait fixes shape, but preferable shape is not specific amorphous.If using without fixed
The particle of shape, with spherical particle phase ratio, it is easier to meet the initial motion value (A) and slip value (B) of the pen tip resistance
Relationship, the writing sense of stylus becomes more good.Therefore, the particle is particularly preferably amorphous silica particle.
Relative to multifunctional (methyl) acrylate (or its solidfied material) 100 mass parts, the compounding ratio of the particle is excellent
It is selected as the mass parts of 1 mass parts~50, the mass parts of particularly preferably 5 mass parts~30, the matter of further preferably 10 mass parts~20
Measure part.By the compounding ratio of the particle more than 1 mass parts, the antiglare hardcoat 12 of formation can be assigned desirable
Anti-glare.In addition, below mass part 50 by the compounding ratio of the particle, the coating of coating composition C becomes good,
The uniform antiglare hardcoat of film thickness 12 can be formed.
(3) levelling agent
Coating composition C described in present embodiment contains levelling agent.The antiglare hardcoat 12 being consequently formed does not have strain line
Shape defect or spot etc., film thickness is uniform, and excellent appearance is presented.
As levelling agent, for example, silicon-type levelling agent, fluorine system levelling agent, acrylic acid series levelling agent, ethylene
Base system levelling agent etc., wherein compatibility viewpoint from levelability and with other compositions considers, preferably silicon-type levelling agent with
And fluorine system levelling agent.Further more, levelling agent can be used alone, can also be used in combination of two or more.
Silicon-type levelling agent, preferably dimethyl silicone polymer or modified dimethyl polysiloxane, it is particularly preferably poly-
Dimethyl siloxane.Further more, if the degree of modification of modified dimethyl polysiloxane is high, it is anti-in order to make levelability play, obtain
The appearance of dizzy property hard conating 12 becomes suitable, need to increase its additive amount.As a result, being formed by the sliding of antiglare hardcoat 12
Property is got higher, and cannot be satisfied the relationship of the initial motion value (A) and slip value (B) of the pen tip resistance, there is the writing for making stylus
The case where sense declines.
As fluorine system levelling agent, can be preferably listed with perfluoroalkyl or fluorinated alkenyl as main chain or the chemical combination of side chain
Object.Product are sold as city, preferably enumerate the BYK-340 of ビ ッ Network ケ ミ ー ジ ャ パ Application society manufacture, the Off タ of ネ オ ス societies manufacture
The V-8FM etc. that ー ジ ェ Application ト 650A, the メ ガ Off ァ ッ Network RS-75 of DIC societies manufacture, Osaka Organic Chemical Industry Society manufacture, but
It is not limited to these.
Relative to multifunctional (methyl) acrylate (or its solidfied material) 100 mass parts, the cooperation of silicon-type levelling agent
The mass parts of ratio, preferably 0.001 mass parts~1.0, the mass parts of particularly preferably 0.005 mass parts~0.8, further preferably
For the mass parts of 0.01 mass parts~0.1.On the other hand, in the case of fluorine system levelling agent, relative to multifunctional (methyl) acrylic acid
Ester (or its solidfied material) 100 mass parts, the mass parts of preferably 0.1 mass parts~10, the mass of particularly preferably 0.5 mass parts~5
Part, the mass parts of further preferably 0.8 mass parts~3.The compounding ratio of levelling agent can then keep stylus in above range
It writes sense and the non-visibility of fingerprint is good, while can fully obtain levelling effect.
(4) Nano particles of silicon dioxide
Coating composition C described in present embodiment preferably comprises the silica that average grain diameter is 1nm~300nm and receives
Rice corpuscles.By containing this Nano particles of silicon dioxide, the hardness for being formed by antiglare hardcoat 12 carries coating composition C
Height, meanwhile, it can inhibit dazzle.The average grain diameter of the Nano particles of silicon dioxide, preferably 5nm~100nm, particularly preferably
10nm~50nm.Further more, the average grain diameter of Nano particles of silicon dioxide is measures by zeta potential measuring method.
Nano particles of silicon dioxide is modified for the purpose of improving dispersed wait using organic matter.In addition, dioxy
SiClx nano-particle is also preferably the form of organosol (colloidal).Pass through the form for organosol, silica nanometer
The dispersibility of particle becomes good, and the homogenieity and photopermeability for being formed by antiglare hardcoat 12 improve.
Usual way can be used to implement for the modification carried out using organic matter.For example, can be by structure such as CH2=C (CH3)
COO(CH2)3Si(OCH3)3Silane coupling agent, be added in the organosol of Nano particles of silicon dioxide, add at 50 DEG C or so
Heat stirs several hours, as a result, the surface of improved silica particle.The structure and amount of used silane coupling agent can
Degree is required suitably to select according to the dispersibility of Nano particles of silicon dioxide.
As the dispersion solvent of the organosol, the compatibility preferably with multifunctional (methyl) acrylate and levelling agent
And excellent methyl ethyl ketone, the methyl iso-butyl ketone (MIBK) etc. of volatility when coating formation.
As the Nano particles of silicon dioxide, the product of market sale can be used, wherein preferably using Nissan Chemical
オ Le ガ ノ シ リ カ ゾ Le MEK-ST, MIBK-ST etc. of company's manufacture.
Relative to multifunctional (methyl) acrylate (or its solidfied material) 100 mass parts, the Nano particles of silicon dioxide
Compounding ratio, the mass parts of preferably 1 mass parts~50, the mass parts of particularly preferably 2 mass parts~20, further preferably 2
The mass parts of mass parts~10.By the compounding ratio of the Nano particles of silicon dioxide more than 1 mass parts, it can play well
Said effect.On the other hand, below mass part 50 by the compounding ratio of Nano particles of silicon dioxide, inhibit silica to receive
The agglutination of rice corpuscles can keep the homogenieity and photopermeability that are formed by antiglare hardcoat 12 well.
(5) other compositions
Coating composition C in present embodiment can also contain various additives other than mentioned component.As each
Kind additive, for example, Photoepolymerizationinitiater initiater, ultra-violet absorber, antioxidant, light stabilizer, antistatic agent, silicon
Alkane coupling agent, thermal polymerization inhibitor, colorant, surfactant, preserving stabilizer, plasticizer, lubricant, disappears at antiaging agent
Infusion, organic system filler, wetability modifier, coating surface modifying agent etc..
As Photoepolymerizationinitiater initiater, such as benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin can be enumerated
Isopropyl ether, benzoin n-butyl ether, benzoin isobutyl ether, acetophenone, dimethylamino acetophenone, 2,2- dimethoxys -2-
Phenyl acetophenone, 2,2- diethoxy -2- phenyl acetophenones, 2- hydroxy-2-methyl -1- phenyl-propane -1- ketone, 1- hydroxy cyclohexylphenyls
Base phenyl ketone, 2- methyl-1s-[4- (methyl thio) phenyl] -2- morpholinyls-propane -1- ketone, 4- (2- hydroxyl-oxethyls) phenyl -
2- (hydroxyl -2- propyl) ketone, benzophenone, p- phenyl benzophenone, 4,4 '-lignocaine benzophenone, dichloro first
Ketone, 2-methylanthraquinone, 2- ethyl hydrazine, 2- tertiary butyls anthraquinone, 2- amino anthraquinones, 2- methyl thioxanthones, 2- ethyls thioxanthones, 2-
Clopenthixal ketone, 2,4- dimethyl thioxanthones, 2,4- diethyl thioxanthones, benzyl dimethyl ketal, acetophenone dimethyl ketal,
P- dimethyl aminobenzoate etc..These can be used alone, and can also be used in combination of two or more.
Relative to multifunctional (methyl) acrylate (or its solidfied material) 100 mass parts, the Photoepolymerizationinitiater initiater is matched
Composition and division in a proportion rate usually selects in the range of the mass parts of 0.2 mass parts~10.
By being coated, curing to base material film 11 by coating composition C described above, it can be formed and meet above-mentioned physical property
Antiglare hardcoat 12.
The thickness of antiglare hardcoat 12, preferably 1 μm~15 μm, particularly preferably 2 μm~10 μm.Pass through Antidazzle hard
The thickness of coating 12 can effectively play resistance to marring and anti-dazzle function in above range.
3. base material film
As base material film 11, as long as suitably being selected from being adapted so that in the touch panel base material film with stylus,
It preferably selects and the good plastic foil of 12 compatibility of antiglare hardcoat.
As the plastic foil, for example, polyethylene terephthalate, polybutylene terephthalate (PBT),
The polyester films such as polyethylene naphthalate；The polyolefin films such as polyethylene film, polypropylene screen；Glassine paper, diacetyl cellulose film,
Tri acetyl cellulose membrane, acetylcellulose butyrate film, polychloroethylene film, polyvinylidene chlorida film, polyvinyl alcohol film, ethylene-vinegar
Vinyl acetate copolymer film, polystyrene film, polycarbonate membrane, polymethylpentene film, PS membrane, polyether-ether-ketone film, polyether sulfone
Film, polyetherimde films, fluororesin film, PA membrane, acrylic resin film, urethane resin film, norbornene polymer
The plastic foils such as film, cyclic olefine polymer film, cyclic conjugated diene based polymer film, vinyl alicyclic hydrocarbon polymer film, or
These stacked film.Wherein, from mechanical strength etc. consider, preferably polyethylene terephthalate film, polycarbonate membrane,
Norbornene-based polymer film etc..
In addition, for the base material film 11, to improve and be set to layer (antiglare hardcoat 12, the aftermentioned pressure on its surface
Sensitive adhesive layer etc.) adaptation for the purpose of, can be as needed, utilize prime treatment, oxidizing process, further provided for contouring in one or both sides
Method etc. is surface-treated.As oxidizing process, such as Corona discharge Treatment, chromic acid processing, flame treatment, heat sky can be enumerated
Gas disposal, the processing of ozone-ultraviolet line etc., as further provided for contouring method, such as sand-blast, solvent treatment method can be enumerated etc..These
Surface preparation can suitably be selected according to the type of base material film 11, but be considered from effect and operability etc. preferably by electricity
Corona facture.
The thickness of base material film 11, usually 15 μm~300 μm or so, preferably 30 μm~200 μm or so.
4. the manufacturing method of anti-dazzle hardness film coating
Anti-dazzle hardness film coating 1 described in present embodiment, can be by by the coating group containing antiglare hardcoat 12
The coating fluid for closing object, preferred coatings composition C and solvent as needed is coated base material film 11, cures, and is formed anti-dazzle
Property hard conating 12 manufactures.
Solvent can use for improvement, viscosity adjustment, the adjustment of solid component concentration of coating etc., if it is dissolving
The solvent of multifunctional (methyl) acrylate and levelling agent etc., can be used without particular limitation.
As the specific example of solvent, the alcohols such as methanol, ethyl alcohol, isopropanol, butanol, octanol can be enumerated；Acetone, methyl
The ketones such as ethyl ketone, methyl iso-butyl ketone (MIBK), cyclohexanone；The esters such as ethyl acetate, butyl acetate, ethyl lactate, gamma-butyrolacton；
Glycol monoethyl ether (methyl cellosolve), ethylene glycol monoethyl ether (ethyl cellosolve), diethylene glycol monobutyl ether (butyl cellosolve), third
The ethers such as glycol monomethyl ether；Benzene, toluene, the aromatic hydrocarbon such as dimethylbenzene；Dimethylformamide, dimethylacetylamide, N- methylpyrroles
Amides such as alkanone etc..
The coating of coating composition coating fluid can be carried out with usual way, such as can be utilized rod coating method, be scraped cutter painting
Cloth method, roller coating method, scraper plate rubbing method, die coating methods, gravure roller coating method carry out.If by the coating fluid of coating composition
Film, is preferably carried out drying in 30 seconds~5 minutes or so by coating at 40 DEG C~120 DEG C.
Here, as coating composition C, in the case that coating composition contains levelling agent, it is coated with the coating composition
Made of film therefore, can form that film thickness is uniform, the Antidazzle hard coating of excellent appearance without strain line shape defect or spot etc.
Layer 12.
As coating composition C, coating composition be active energy ray-curable the case where when, coating composition is consolidated
Change, it can be by a nitrogen atmosphere, irradiating ultraviolet light, electron beam isoreactivity energy line to the film of coating composition to carry out.
Ultraviolet irradiation can be by the progress such as high-pressure mercury-vapor lamp, Fusion H lamps, xenon lamp, the preferred illumination of ultraviolet irradiation amount
50mW/cm2~1000mW/cm2, light quantity 50mJ/cm2~1000mJ/cm2Left and right.On the other hand, the irradiation of electron beam can lead to
The progress such as electron-beam accelerator are crossed, the exposure of electron beam is preferably 10krad~1000krad or so.
5. other
In anti-dazzle hardness film coating 1 described in present embodiment, Ke Yiwei:Antiglare hardcoat 12 is outmost surface, is had
Base material film 11 and antiglare hardcoat 12；Or:Between antiglare hardcoat 12 and base material film 11 or with base material film
On 11 face with 12 discontiguous side of antiglare hardcoat, also there are other layers.For example, base material film 11 and anti-glare
On the face of 12 discontiguous side of hard conating, pressure sensitive adhesive layer can be formed, it can also be further on pressure sensitive adhesive layer
Stripping film is laminated.
It as the contact adhesive for constituting pressure sensitive adhesive layer, is not particularly limited, can be used acrylic pressure sensitive viscous
Contact adhesive well known to mixture, rubber series contact adhesive, silicon-type contact adhesive etc..In addition, the contact adhesive
Layer, need not have resiliency as described in Patent Document 1.
The arithmetic mean surface roughness of the antiglare hardcoat 12 of anti-dazzle hardness film coating 1 described in present embodiment
(Ra), preferably 0.01 μm~10 μm, particularly preferably 0.1 μm~1 μm, further preferably 0.15 μm~0.5 μm.Pass through calculation
Art average surface roughness (Ra) can play excellent anti-glare in above range, antiglare hardcoat 12.Further more, this specification
In arithmetic mean surface roughness (Ra) be based on JIS B0601-1994, from using contact-type roughmeter (in test example
Used ミ Star ト ヨ societies manufacture SV3000S4) measure roughness curve in acquire.
The antiglare hardcoat 12 of anti-dazzle hardness film coating 1 described in present embodiment, it is preferable that utilize the steel wire of #0000
Cotton (steel wool), in 250g/cm2Heavy burden under, antiglare hardcoat 12 is rubbed 10 times not generate back and forth in 10cm and is scraped
Trace.By the way that with this resistance to marring evaluated by steel wool hardness, anti-dazzle hardness film coating 1 to be used for the surface of touch panel
When, it can inhibit scratch on antiglare hardcoat 12 and occur.
In addition, the haze value of the anti-dazzle hardness film coating 1 described in present embodiment, preferably 30% hereinafter, particularly preferably
20% hereinafter, further preferably 15% or less.Haze value if 30% hereinafter, if can carry out High precision, suitable for conduct
Touch panel is used.In addition, from the viewpoint of playing anti-glare, haze value is preferably 0.5% or more, more preferably 2% or more,
Particularly preferably 6% or more.Further more, haze value is the value that is measured based on JIS K7136-2000.
Embodiments described above describes for ease of the understanding of the present invention, be not to the present invention into
Row limits and the description of progress.Therefore, objective is：Each element disclosed in the above embodiment also includes belonging to the present invention
Technical scope all design alterations and equivalent.
For example, can also intervene other layers between the base material film 11 in anti-dazzle hardness film coating 1 and antiglare hardcoat 12.
Embodiment
Hereinafter, further the present invention is specifically described by embodiment etc., but the scope of the present invention is not by this
The restriction of a little embodiments etc..
(embodiment 1)
It will be as the dipentaerythritol hexaacrylate of multifunctional (methyl) acrylate (villages Xin Zhong chemical industry system, NK
エ ス テ Le A-DPH) 100 mass parts (expression solid constituent scaled value.Hereinafter, also the same for other compositions.)；It is poly- as light
Close 1- hydroxycyclohexylphenylketones (BASF AG's system, イ Le ガ キ ュ ア 184) 4.3 mass parts of initiator；Silica is micro-
Grain (シ リ シ ア chemistry society of Fuji system, サ イ Network ロ ホ ー ビ ッ Network 702；Average grain diameter：4.1 μm, CV values 48% are amorphous) 11
Mass parts；As levelling agent dimethyl silicone polymer (eastern レ ダ ウ コ ー ニ Application グ societies system, SH28) 0.01 mass parts with
Nano particles of silicon dioxide (Nissan Chemical Industries society system, MIBK-ST, average grain diameter：10nm) 8.3 mass parts are mixed, and are obtained
To coating composition.The coating composition is diluted with propylene glycol monomethyl ether, the painting that modulation solid component concentration is 30%
Cloth liquid.
In the polyester film with easy adhesive layer as base material film, (society's system is spun by Japan, and U ス モ シ ャ イ Application A4300 are thick
Degree：125 μm) easy adhesive layer side face on, by above-mentioned obtained coating fluid with wire rod #10 be coated with, at 70 DEG C into
Row drying in 1 minute.Then, in a nitrogen atmosphere, ultraviolet lamp (ア イ グ ラ Off ィ ッ Network ス societies system, ア イ グ are utilized
ラ ン テ ー ジ ECS-401GX types), ultraviolet light is irradiated under the following conditions, is formed the antiglare hardcoat that thickness is 3 μm, is obtained
To anti-dazzle hardness film coating.
[ultraviolet light irradiation condition]
Light source：High-pressure mercury-vapor lamp
Bulb power：2kW
Convey tape speed：4.23m/min
Illumination：240mW/cm2
Light quantity：307mJ/cm2
(embodiment 2)
In addition to the use level of levelling agent is changed to 0.14 mass parts, formed outside antiglare hardcoat, similarly to Example 1
Ground is operated, and anti-dazzle hardness film coating is manufactured.
(embodiment 3)
In addition to the use level of levelling agent is changed to 0.70 mass parts, formed outside antiglare hardcoat, similarly to Example 1
Ground is operated, and anti-dazzle hardness film coating is manufactured.
(embodiment 4)
Ultraviolet light response type fluorine oligomer (ネ オ ス societies system, フ タ ー ジ ェ Application ト 650A) is used as levelling agent, it will
Its use level is changed to 1.4 mass parts, forms antiglare hardcoat and is operated similarly to Example 1 in addition to this, is made
Make anti-dazzle hardness film coating.
(comparative example 1)
Polyether-modified dimethyl silicone polymer alkane (ビ ッ Network ケ ミ ー societies system, BYK-UV3500) with acryloyl group is made
It is used for levelling agent, its use level is changed to 1.4 mass parts, forms antiglare hardcoat, it is in addition to this, same with embodiment 1
It is operated to sample, manufactures anti-dazzle hardness film coating.
(comparative example 2)
In addition to the use level of levelling agent is changed to 1.4 mass parts, formed outside antiglare hardcoat, similarly to Example 1
Ground is operated, and anti-dazzle hardness film coating is manufactured.
(comparative example 3)
It is (comprehensive to grind chemical society's system, MX-300 that the silicon dioxide microparticle of embodiment 1 is changed to silicon dioxide microparticle；Average grain
Diameter：3.0 μm, CV values 15% are spherical), its use level is changed to 10 mass parts, and wire rod when by coating solution is from 10
Become 14, the film thickness of antiglare hardcoat is changed to 5 μm, in addition to this, is operated similarly to Example 1, manufactures
Anti-dazzle hardness film coating.
(test example 1) (measurement of pen tip resistance)
Antidazzle hard coating layer surface for the anti-dazzle hardness film coating manufactured in embodiment and comparative example, uses omnipotent examination
It tests machine (オ リ エ ンテック societies system, テ Application シ ロ Application) and stylus is pressed under heavy burden 150g weight with the pen tip of stylus
Press mold surface is tested under conditions of being scanned with the speed of 100mm/min.Then, it from obtained test figure, asks
Go out the initial motion value (A) and slip value (B) of pen tip resistance.Subtract from the initial motion value (A) of pen tip resistance in addition, calculating
Go the value of slip value (B).Further more, as stylus, it is stylus (ワ コム societies system, the ACK- of hard felt core to have used pen tip
2003, pen tip diameter：0.5mm).Show the result in table 1.
(test example 2) (writes sense evaluation)
The anti-dazzle hardness film coating manufactured in embodiment and comparative example is placed on glass substrate, antiglare hardcoat is made
Side is upward.To the Antidazzle hard coating layer surface of the anti-dazzle hardness film coating, in the same manner as test example 1, stylus and bunching are used
Stylus (the pen tip diameter of aldehyde core：0.4mm), sense is write in evaluation respectively.In evaluation, by in 5 Chong Die paper (U Network ヨ
S＆T societies manufacture, キ ャ Application パ ス ノ ー ト A spongy lead ノ -201A) on use pencil (pencil society of Mitsubishi system, Mitsubishi pencil ユ ニ
Be chosen as similar in writing sense when B), being write with pen pressure about 150g weight it is good, by with the writing sense gap it is big be chosen as it is bad.
In addition, evaluation is carried out by the panelist of 3 people, 3 people's panesthesis are good to be chosen as well, as long as there is 1 people's dysaesthesia
Be chosen as it is bad.Show the result in table 1.
(test example 3) (measurement of oleic acid contact angle)
Using full rotation type contact angle instrument (consonance interface science society system, DM-701), to embodiment and comparative example
The oleic acid contact angle of the Antidazzle hard coating layer surface of the anti-dazzle hardness film coating of middle manufacture measures under the following conditions.In addition, conduct
Oleic acid, the oleic acid for having used Tokyo chemical conversion industry society to manufacture.Show the result in table 1.
The drop amount of oleic acid：2μl
Minute：After dripping 3 seconds
Image analytical method：The methods of θ/2
(test example 4) (the non-visibility evaluation of fingerprint)
Finger is contacted with to the Antidazzle hard coating layer surface of the anti-dazzle hardness film coating manufactured in embodiment and comparative example,
By the haze value (%) of the front and back anti-dazzle hardness film coating of finger pressing, using haze measurement meter (Japanese electricity Se industrial groups system,
NDH2000), it is measured based on JIS K7136-2000.Then, it finds out from the film haze value after finger pressing, subtracts hand
The value (mist degree value difference) for referring to the film haze value before pressing, is evaluated according to following benchmark.Further more, the haze value of evaluation object,
Average value when sample for 3 people respectively to be pressed with finger to 1 time measures respectively.Show the result in table 1.In addition, finger is pressed
The haze value of preceding anti-dazzle hardness film coating is all shown in table 1.
◎：Mist degree value difference is less than 0.5
○：Mist degree value difference is 0.5 or more 1.0 or less
×：Mist degree value difference is more than 1.0
(test example 5) (ocular estimate)
To the anti-dazzle hardness film coating manufactured in embodiment and comparative example, using 3 wavelength fluorescent lamps, with the naked eye to reflection when
And appearance when penetrating is evaluated.It is in evaluation, the few conduct of strain line shape defect or spot is good, by strain line shape defect or
The conduct of blurring is bad.Show the result in table 1.
(test example 6) (measurement of surface roughness)
From what is measured based on JIS B0601-1994, using contact-type roughmeter (ミ Star ト ヨ societies system, SV3000S4)
The arithmetic that roughness curve acquires the Antidazzle hard coating layer surface of the anti-dazzle hardness film coating manufactured in embodiment and comparative example is flat
Equal surface roughness (Ra；Unit μm).Show the result in table 1.
(test example 7) (resistance to marring is evaluated：Steel wool hardness)
Antidazzle hard coating layer surface to the anti-dazzle hardness film coating manufactured in embodiment and comparative example, uses #0000's
Steel wool, in 250g/cm2Heavy burden under, rub back and forth 10 times in 10cm, by the following benchmark in the surface of the antiglare hardcoat
It is evaluated.
◎：Do not change completely before appearance and experiment.
○：Although not seeing scratch, due to falling off for particle, anti-glare reduces.
×：See linear scratch.
【Table 1】
As shown in Table 1, the anti-dazzle hardness film coating manufactured in embodiment writes sense well, and the fingerprint adhered to is not easy
It is seen, appearance and anti-glare are also good in addition.
Industrial utilizability
The anti-dazzle hardness film coating of the present invention, uses suitable for the surface layer as the touch panel for using stylus.
Claims (5)
1. anti-dazzle hardness film coating is the antiglare hardcoat for having base material film and being arranged on the face of the side of the base material film
Touch panel anti-dazzle hardness film coating, which is characterized in that the Antidazzle hard coating layer surface, make a diameter of 0.5mm of pen tip
Hard felt core stylus under the pressurization of heavy burden 150g weight, with when velocity scanning in 100mm/ minutes pen tip resistance (mN) just
Beginning motion value (A) and slip value (B) meet the relationship of following formula (a),
0≤initial motion value (A)-slip value (B) ... (a)
Meanwhile the oleic acid contact angle of the Antidazzle hard coating layer surface be 45 ° hereinafter,
Using the steel wool of #0000, in 250g/cm2Heavy burden under, the antiglare hardcoat is opposite with the base material film
The surface of side does not generate scratch in the case of 10cm rubs 10 times back and forth, on the surface.
2. anti-dazzle hardness film coating according to claim 1, which is characterized in that the initial motion value of the pen tip resistance (mN)
(A) and slip value (B) meets the relationship of following formula (b),
5≤initial motion value (A)-slip value ()≤200 ... B (b).
3. anti-dazzle hardness film coating according to claim 1, which is characterized in that the oleic acid contact angle is 25 °~45 °.
4. anti-dazzle hardness film coating according to claim 1, which is characterized in that the antiglare hardcoat is that will contain more officials
Energy (methyl) acrylate, average grain diameter are made of 1 μm~10 μm of particle and the curing of coating composition of levelling agent.
5. anti-dazzle hardness film coating according to claim 4, which is characterized in that the particle is that amorphous silica is micro-
Grain.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013114209A JP6189642B2 (en) | 2013-05-30 | 2013-05-30 | Touch panel |
| JP2013-114209 | 2013-05-30 |
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| CN104216033B true CN104216033B (en) | 2018-09-04 |
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| CN201410229766.7A Active CN104216033B (en) | 2013-05-30 | 2014-05-28 | Anti-dazzle hardness film coating |
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| JP (1) | JP6189642B2 (en) |
| KR (1) | KR102269898B1 (en) |
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| JP6189642B2 (en) * | 2013-05-30 | 2017-08-30 | リンテック株式会社 | Touch panel |
| JP7000017B2 (en) * | 2016-11-16 | 2022-01-19 | リンテック株式会社 | Writing quality improvement film |
| JP6345220B2 (en) * | 2016-11-16 | 2018-06-20 | リンテック株式会社 | Writing quality improvement film |
| JP7004498B2 (en) * | 2016-12-14 | 2022-01-21 | リンテック株式会社 | Writing quality improvement film |
| JP6325637B1 (en) * | 2016-11-16 | 2018-05-16 | リンテック株式会社 | Writing quality improvement film |
| JP6871756B2 (en) * | 2017-02-20 | 2021-05-12 | リンテック株式会社 | Image display device with position detection function |
| JP2018173906A (en) * | 2017-03-31 | 2018-11-08 | リンテック株式会社 | Writing feel improvement sheet |
| JP7067900B2 (en) * | 2017-11-06 | 2022-05-16 | リンテック株式会社 | Coat film |
| JP6626950B2 (en) * | 2018-01-29 | 2019-12-25 | 住友化学株式会社 | Optical laminate |
| JP7326734B2 (en) * | 2018-12-10 | 2023-08-16 | 大日本印刷株式会社 | OPTICAL LAMINATED BODY, METHOD FOR MANUFACTURING OPTICAL LAMINATED BODY, LAMINATED MEMBER, AND DISPLAY DEVICE |
| JP6638119B1 (en) * | 2019-04-19 | 2020-01-29 | 株式会社ダイセル | Surface material for pen input device |
| JP7241653B2 (en) * | 2019-09-18 | 2023-03-17 | 株式会社ダイセル | Antireflection material |
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| TWI702416B (en) | 2020-08-21 |
| TW201447352A (en) | 2014-12-16 |
| JP2014232276A (en) | 2014-12-11 |
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| TW201819956A (en) | 2018-06-01 |
| CN104216033A (en) | 2014-12-17 |
| KR20140141440A (en) | 2014-12-10 |
| TWI678552B (en) | 2019-12-01 |
| KR102269898B1 (en) | 2021-06-25 |
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