CN1540365A - Anti-dazzling membrane - Google Patents

Anti-dazzling membrane Download PDF

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Publication number
CN1540365A
CN1540365A CN200410036953.XA CN200410036953A CN1540365A CN 1540365 A CN1540365 A CN 1540365A CN 200410036953 A CN200410036953 A CN 200410036953A CN 1540365 A CN1540365 A CN 1540365A
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Prior art keywords
particulate
resin
film
antiglare
coating
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CN100570411C (en
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荻野明人
一
早川润一
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Nippon Paper Industries Co Ltd
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Nippon Paper Industries Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00788—Producing optical films
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch resistance

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

Provided is a glare shielding film for surface protection which has a low degree of haze, is excellent in transparency and scratch resistance, reduces the flickering and whitishness (white blurring) of an image, and improves the visibility of a display. In the glare shielding film, a glare shielding layer containing two fine particles and a resin is formed. The fine organic particles of a first type have an average particle size of 1-4 [mu]m and an index of refraction of 1.45-1.55. The fine inorganic particles of a second type have an average particle size of below 0.1 [mu]m and an index of refraction of 1.45-1.55. The paint film thickness of the glare shielding layer is 0.8-2.5 times as large as the average particle size of the fine particles of the first type, and the 60[deg.] specular glossiness of the surface of the glare shielding layer is 65% or below.

Description

Antiglare film
Technical field
The present invention relates to be used for the antiglare film of various display surfaces such as notebook-sized personal computer, personal computer usefulness monitor and televisor.
Background technology
Display such as notebook-sized personal computer, LCD monitor, the recognition image by its surperficial surface protection base material.These displays use backlight or utilize exterior light and improve identity in body interior.These displays have carried out non-glare treated in order to reduce light and the absorption of outer light and the identity of sending internally of raising image on the surface protection base material.
As this antiglare film, the film of resin that contains filling materials such as silicon dioxide in the surface applied of transparent base film is by known (for example, opening flat 6-18706 communique with reference to the spy).Wherein, antiglare film makes the reflected light diffusion pay anti-dazzle property according to the concavo-convex of antiglare layer, if but concavo-convex too greatly then fuzzy pictures, thereby haze value occurring rises and the problems such as transmitance reduction of film, therefore the technology that reduces the refringence of application of resin and filling material and improve transmitance also be suggested (for example, with reference to the spy open the 2000-121809 communique, the spy opens the 2000-180611 communique).
But, paid under the situation of LCD of type of anti-dazzle property when make the reflected light diffusion according to antiglare layer concavo-convex, if exploration on display resolution ratio height, then see through the light of color filter pixel from grade backlight, because surperficial at random and mixed in antiglare layer, therefore picture occurs and flash, thereby appearance obviously reduces problems such as identity.
In order to prevent flashing of image, have to increase the particulate addition and improve mist degree in the prior art, picture is white partially when display image therefore occurring being installed on the liquid crystal board, particularly because of the problem of black display image grade reduction.
Summary of the invention
The objective of the invention is to, provide a kind of and this existing antiglare film to compare, mist degree is low, and the transparency and mar resistance are good, and reduces flashing and (pure white) partially in vain of image, thus the antiglare film that the surface protection of the identity of raising display is used.
Present inventors find can address the above problem, thereby work out the present invention by the resin coating film of 2 types of particulates that form the organic matter contain different-grain diameter and inanimate matter on hyaline membrane.
Be the present invention for the antiglare film that the antiglare layer that contains 2 kinds of particulates and resin constitutes is set on hyaline membrane, the 1st kind of particulate is organic particulate, mean grain size is 1～4 μ m, and refractive index is in 1.45～1.55 scope, the 2nd kind of particulate is the inanimate matter particulate, and mean grain size is less than 0.1 μ m, and refractive index is in 1.45～1.55 scope, and then the thickness that is coated with of antiglare layer is 0.8～2.5 times of the 1st kind of particulate mean grain size, and 60 degree mirror surface lusters are below 65%.
In addition, the present invention is for being provided with the antiglare film that the antiglare layer contain 2 kinds of particulates and resin constitutes on hyaline membrane, the 1st kind of particulate is organic particulate, mean grain size is 1～4 μ m, its refractive index is in 1.45～1.55 scope, its use level is 5～20 weight portions for resin 100 weight portions, the 2nd kind of particulate is the inanimate matter particulate, mean grain size is less than 0.1 μ m, and refractive index is in 1.45～1.55 scope, its use level is 5～25 weight portions for resin 100 weight portions, and the thickness that is coated with of antiglare layer is 0.8～2.5 times of the 1st kind of particulate mean grain size.
And then, have the refractive index close with the refractive index of ionizing radiation cured resin aspect consider preferred tri acetyl cellulose film of hyaline membrane or norborene film.And as the 2nd kind of particulate, according to considering preferred silicon dioxide microparticle with the aspect of the 1st particulate absorption easily.And then, consider that according to the productivity viewpoint aforementioned resin is preferably the ionizing radiation cured resin.
In addition, consider from the refractive index aspect as the 1st kind of particulate, preferably at least a kind of spheroidal particle from acryl resin particulate, silicone resin particulate or plexiglass particulate, selecting.And the 1st kind of particulate that antiglare layer is contained and the mixing ratio of the 2nd kind of particulate are preferably 1: 10～2: 1.And then the surfaceness on antiglare layer surface is 0.05～0.5 μ m with 10 mean roughness (Rz) preferably.
Description of drawings
Fig. 1 is the summary section of expression antiglare film one example of the present invention.
Fig. 2 is another routine summary section of antiglare film of the present invention.
Embodiment
The sectional view of antiglare film of the present invention is illustrated among Fig. 1.On hyaline membrane, contain the ionizing radiation cured resin of 2 kinds of big or small particulates of difference and form antiglare layer with the specific thickness coating.
The hyaline membrane that can adopt in the present invention is not particularly limited, but for example can use polyethylene terephthalate film (PET; Refractive index 1.665), polycarbonate membrane (PC; Refractive index 1.582), tri acetyl cellulose film (TAC; Refractive index 1.485), norborene film (NB; And film thickness also can use about 25 μ m～250 μ m refractive index 1.525) etc..The refractive index of general ionizing radiation cured resin is about 1.5, therefore for improving identity, preferred especially TAC film and NB film near this refractive index.
The 1st kind of particulate of the present invention is organic particulate, and mean grain size is 1～4 μ m, is preferably 1.5～3.5 μ m.Above-mentioned the 1st kind of particulate never reduces the transmitance aspect of film to be considered, preferably use hyaline membrane and solidify after the refringence of ionizing radiation cured resin little, and refractive index is 1.45～1.55.And the 1st kind of particulate of the present invention relative resin 100 weight portions in antiglare layer cooperate 3～20 weight portions, and preferred 5～20 weight portions are preferably 5～15 weight portions.
When mean grain size during less than afore-mentioned and addition after a little while, anti-dazzle property is abundant inadequately, and particle diameter have to thicken applied thickness, so transmitance can reduce when big.And,, also have the tendency that transmitance reduces even when addition is a lot.
Can adopt poly methyl methacrylate particle (refractive index as the 1st kind of particulate; 1.49), silicone particles (refractive index; 1.48) and acrylic particles (refractive index; 1.49) etc. refractive index be 1.45～1.55 synthetic resin particulate.Can adopt these separately among the present invention, also two or more kinds may be used.Backlight uneven at random in order to reduce, preferred peloid.And so-called organic matter of the present invention is meant the compound with c h bond, mainly passes through the compound of covalent bonds atom.
The 2nd kind of particulate be not in order to reduce identity among the present invention, and mean grain size is wished little and even, and be 1.45～1.55 with the 1st kind of the same refractive index that needs of particulate.
It is less than 0.1 μ m that the 2nd kind of particulate uses inanimate matter particulate and mean grain size, more preferably below the 0.05 μ m, is preferably the particulate of 0.005～0.03 μ m, and preferred resin 100 weight portions relatively cooperate 5～25 weight portions, preferred 5～15 weight portions in the antiglare layer.If addition surpasses 25 weight portions, the particulate in then filming increases, thereby the tendency of the transmitance reduction of film is arranged.Less than 5 weight portions the time, owing to surface minimizing projection has the inadequate tendency of anti-dazzle property.And as the 2nd kind of particulate, preferably using refractive index is 1.45～1.55 particulate.Particularly the 2nd kind of particulate preferred index with solidify after the close silicon dioxide microparticle of ionizing radiation cured resin.And inanimate matter is meant aforementioned organic matter material in addition among the present invention.
The present invention is by making the 1st kind of particulate for organic and to make the 2nd kind of particulate be inanimate matter, around the 1st kind of particulate, adsorb the 2nd kind of particulate easily, and when forming antiglare layer,, therefore can prevent to reduce identity at easily outstanding the 2nd kind of fine particulate in antiglare layer surface.Particularly when the 2nd kind of particulate was silicon dioxide, effect was fine owing to be adsorbed onto organic particulate easily.
When the 2nd kind of particulate was not adsorbed on the 1st kind of particulate, the 2nd kind of particulate buried in filming, and it is insufficient therefore to be difficult in the surface concavo-convex and anti-dazzle property of formation.When the 1st kind of particulate and the 2nd kind of particulate are all inanimate matter or when organic, the particulate of 2 kinds is with same electrical easily, and therefore electric repulsion takes place, thereby anti-dazzle property is abundant inadequately because the 2nd kind of particulate is difficult to be adsorbed onto around the 1st kind of particulate, and identity reduces.But, the 2nd kind of particulate is present in the antiglare layer with the state that is adsorbed onto the 1st kind of particulate all or almost all, the part of the 2nd kind of particulate for example shown in Figure 2 is adsorbed on the 1st kind of particulate, but when its surplus of the 2nd kind of particulate is present in the antiglare layer not to be adsorbed on the 1st kind of state on the particulate, also can obtain action effect of the present invention.
Preferred 1: 10～2: 1 scopes of the mixing ratio of above-mentioned the 1st kind of particulate of the present invention and the 2nd kind of particulate.In this scope by and with the 1st kind of particulate and the 2nd kind of particulate, can obtain good anti-dazzle property and permeability.
Moreover the mean grain size of the 1st kind and the 2nd kind above-mentioned particulate can be measured according to laser diffraction method at random.And the mean grain size of the 2nd kind of particulate can be surveyed by microscope etc. and be obtained.
Be used for resin of the present invention so long as form that the resin of tunicle is just any all can be adopted, but particularly from pay mar resistance and when antiglare layer forms, do not need a lot of heats aspect consider preferred ionizing radiation cured resin.
The ionizing radiation cured resin can use vibrin, acryl resin and urethane resin etc. with acrylic acid series functional group and these oligomer and prepolymer to be the resin of major component.And when by crosslinked these resins of ultraviolet ray irradiation, preferably mix acetophenones, benzophenone class, alpha-alcohol ketone, benzyl dimethyl ketal, alpha-amido ketone and two acyl group phosphine oxides etc. as Photoepolymerizationinitiater initiater.
And then antiglare layer can also contain in the scope that does not change effect of the present invention: levelling agent, defoamer, lubricant, ultraviolet light absorber, light stabilizer, anti-polymerizer, Ricinate, liquid Flow Control preparation and antioxidant etc.
Antiglare layer can be dissolvings such as aforementioned resin and particulates, be dispersed in applying coating in the solvent carries out drying and forms on hyaline membrane.The solvent that can be used for coating can suitably be selected to use from ester class such as ketones such as alcohols, MEK and methyl isobutyl ketone, ethyl acetate and butyl acetates such as aromatic hydrocarbons such as aliphatic hydrocarbons such as hexane and octane, toluene and dimethylbenzene, ethanol, 1-propyl alcohol, isopropyl alcohol and 1-butanols and cellosolve etc., also can mix these a plurality of kinds and use.In order to apply drying, preferred boiling point is 70 ℃～200 ℃ scopes.And the outward appearance when applying in order to adjust can also be added fluorine system or siloxane-based levelling agent.
Be not particularly limited for coating method, but can apply by gravure, mode that coating thickness is adjusted in micro gravure coating, bar coating, gliding model coating, the coating of sealing model and dip-coating etc. easily applies.When having used the ionizing radiation cured resin, after applying on the hyaline membrane, irradiation ultraviolet radiation and make above-mentioned resin solidification.
The thickness of antiglare layer (coating thickness) need be more than 0.8 times of the 1st kind of particulate mean grain size.This is that then the 1st kind of particulate is outstanding to film coated surface, and the increase surperficial at random of outer light because if 0.8 times of the mean grain size of the 1st kind of particulate of ratio is thin, thereby obviously reduces the cause of the identity of display according at random and surperficial the bleaching of light.If coating thickness is blocked up on the other hand, then cause the reduction of anti-dazzle property and the reduction of transmitance, therefore make thickness become below 2.5 times of the 1st kind of particulate mean grain size, more preferably below 2.2, be preferably 1～2 times.And wherein, the coating thickness of antiglare layer is to make the coating that contains antiglare layer resin and particulate etc. apply drying on hyaline membrane, and irradiation ultraviolet radiation etc. according to circumstances, thereby makes resin solidification and the coating thickness that draws.
Moreover the thickness of antiglare layer can be observed the antiglare film cross sectional photograph by microscope etc., and films and interface to the film coated surface of hyaline membrane is measured by actual measurement.When the antiglare layer surface has when concavo-convex, then actual measurement is filmed and the summit to protrusion of surface, the interface of hyaline membrane.And the height of the preferred antiglare layer protuberance of the present invention is about 0.1 μ m.
In addition, it is below 65% that antiglare film of the present invention needs the 60 degree mirror surface lusters on antiglare layer surface, more preferably below 55%, more than 20%.And the preferred transmitance of antiglare film of the present invention is more than 92%, and preferred mist degree is below 35%, more than 5%.And, for 60 degree mirror surface lusters, can measure according to JIS (JIS) Z8741, and, then can measure according to JIS K7105 for mist degree.
The surfaceness on the preferred antiglare layer of antiglare film of the present invention surface is for being 0.05～0.5 μ m with 10 mean roughness (Rz) for example.Owing to possess this antiglare layer surfaceness, the action effect of antiglare film of the present invention becomes significantly.And above-mentioned 10 mean roughness (Rz) are JIS B0601 defineds.
Embodiment
Below, by the embodiment illustration the present invention, but and do not mean that qualification the present invention.And, the average particle of the 1st kind of particulate is directly used the laser diffraction granularity measure of spread device WingSALD2100 of society of Shimadzu Seisakusho Ltd.'s (strain) and is measured, and the mean grain size of the 2nd kind of particulate and coating thickness are then taken pictures in the scanning electron microscope of NEC (strain) society and surveyed.
(embodiment 1)
[coating modulation]
MX300 (polyacrylic resin particulate; mean grain size 3.0 μ m; comprehensive chemistry (strain) the society system of grinding) 3.0g, PL-1 (40% silicon dioxide microparticle toluene dispersion liquid, mean grain size 0.01 μ m, Japan's chemistry (strain) society system) 7.5g mixes with toluene 20.0g and fully stirs.In this solution, add PVC one system セ Star ト 500 (acrylic acid series ionizing radiation cured resins, famine river chemistry (strain) society system) 41.7g and ダ ロ キ ユ ア 1173 (Photoepolymerizationinitiater initiaters, (strain) チ バ ス ペ シ ヤ リ テ イ one ケ ミ カ Le society system) 2.3g, add MEK (MEK) 23.0g and ethylene glycol monobutyl ether (butyl cellosolve) 2.5g again, and add BYK320 (Bi Ke chemistry (PVC Star Network ケ ミ one) (strain) society system) 0.5g as levelling agent, and fully stir and be modulated into coating.
[antiglare film making]
At FTUV80UZ (tri acetyl cellulose film; description film (strain) society of Fuji system) goes up and carry out the coating of above-mentioned coating by mayer bar (マ イ ヤ one バ one) #6 (RDS society system); and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings 2Ultraviolet ray and be cured.The gained coating thickness is 4.1 μ m.
(embodiment 2)
[coating modulation]
MX300,3.0g and PL-3 (40% silicon dioxide microparticle toluene dispersion liquid, Japan's chemistry (strain) society system, mean grain size 0.03 μ m) 7.5g mixes with toluene 20.0g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 4.2 μ m.
(embodiment 3)
[coating modulation]
MX150 (the polyacrylic resin particulate is combined and ground chemistry (strain) society system, mean grain size 1.5 μ m) 1.8g and PL-1,3.0g mixes with toluene 33.2g and fully stirs.In this solution, add PVC one system セ Star ト 500,25.6g and ダ ロ キ ユ ア 1173,1.4g adds MEK again, 31.5g and butyl cellosolve 3.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 2.7 μ m.
(embodiment 4)
[coating modulation]
MX150,1.8g and PL-1,3.0g mix with toluene 33.2g and fully stir.In this solution, add PVC one system セ Star ト 500,25.6g and ダ ロ キ ユ ア 1173,1.4g adds MEK again, 31.5g and butyl cellosolve 3.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 2.7 μ m.
(embodiment 5)
[coating modulation]
TP130 (silicone resin particulate, Toshiba's silicone (strain) society system, mean grain size 3.0 μ m) 4.0g and PL-1,6.8g mixes with toluene 20.2g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.3g and ダ ロ キ ユ ア 1173,2.2g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 3.7 μ m.
(embodiment 6)
In addition, just made film except base material film being changed to ZEONOR1420R (thermoplasticity saturated norbornene resin molding, Japanese auspicious father-in-law (ゼ オ Application) (strain) society system) with embodiment 1 the samely.The thickness that gained is filmed is 4.1 μ m.
(embodiment 7)
MX300,3.0g and PL-1,25.0g mix with toluene 9.5g and fully stir.In this solution, add PVC one system セ Star ト 500,35.1g and ダ ロ キ ユ ア 1173,1.9g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 4.1 μ m.
(embodiment 8)
MX300,9.0g and PL-1,7.5g mix with toluene 20.0g and fully stir.In this solution, add PVC one system セ Star ト 500,36.1g and ダ ロ キ ユ 1173,1.9g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 4.2 μ m.
(comparative example 1)
[coating making]
MX500 (polyacrylic resin particulate, mean grain size 5.0 μ m combine chemistry (strain) the society system of grinding) 3.0g and PL-1,7.5g mixes with toluene 20.0g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #10 (RDS society system) 2Ultraviolet ray and be cured.The gained coating thickness is 6.0 μ m.
(comparative example 2)
[coating making]
X-52-854 (silicone resin particulate, SHIN-ETSU HANTOTAI's polymkeric substance (strain) society system, mean grain size 0.8 μ m) 0.8g and PL-1,1.9g mixes with toluene 41.5g and fully stirs.In this solution, add PVC one system セ Star ト 500,12.8g and ダ ロ キ ユ ア 1173,0.7g adds MEK again, 38.2g and butyl cellosolve 4.3g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 1.5 μ m.
(comparative example 3)
[coating making]
MX300,3.0g and SO-C1 (silicon dioxide microparticle, (strain) ア De マ テ Star Network ス society system, mean grain size 0.3 μ m) 3.0g mixes with toluene 24.5g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 4.1 μ m.
(comparative example 4)
[coating making]
SX350H (polystyrene resin particulate, mean grain size 3.5 μ m combine chemistry (strain) the society system of grinding) 3.0g and PL-1,7.5g mixes with toluene 20.0g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #7 (RDS society system) 2Ultraviolet ray and be cured.The gained coating thickness is 4.3 μ m.
(comparative example 5)
MX300,1.0g and PL-1,7.5g mix with toluene 20.0g and fully stir.In this solution, add PVC one system セ Star ト 500,43.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 3.7 μ m.
(comparative example 6)
サ イ ロ ス Off エ ア C-1504 (silicon dioxide microparticle, mean grain size 4.0 μ m, the シ リ シ ア of Fuji (strain) society system) 3.0g and PL-1,7.5g mixes with toluene 20.0g and fully stirs.In this solution, add PVC one system セ Star ト 500,41.7g and ダ ロ キ ユ ア 1173,2.3g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #10 2Ultraviolet ray and be cured.The gained coating thickness is 5.5 μ m.
(comparative example 7)
Except the mayer bar being changed to #14 (RDS society system), made antiglare film with embodiment 1 the samely.The gained coating thickness is 7.1 μ m.
(comparative example 8)
Except the mayer bar being changed to #4 (RDS society system), made antiglare film with embodiment 1 the samely.The gained coating thickness is 2.0 μ m.
(comparative example 9)
MX300,3.0g, mix with toluene 24.5g and fully stir.In this solution, add PVC one system セ Star ト 500,44.6g and ダ ロ キ ユ ア 1173,2.4g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g, and fully stir and be modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 3.9 μ m.
(comparative example 10)
[coating making]
PL-1,7.5g, mix with toluene 20.0g and fully stir.In this solution, add PVC one system セ Star ト 500,44.6g and ダ ロ キ ユ ア 1173,2.4g adds MEK again, 23.0g and butyl cellosolve 2.5g, and add BYK320,0.5g also fully stirs and is modulated into coating.
[antiglare film making]
On FTUV80UZ, carry out the coating of above-mentioned coating, and after 1 minute, adopt high-pressure mercury-vapor lamp under nitrogen environment, to shine 350mJ/cm with 80 ℃ of dryings by mayer bar #6 2Ultraviolet ray and be cured.The gained coating thickness is 4.1 μ m.
The formation of the above embodiment 1～8 and the antiglare film of comparative example 1～10 reduces shown in following table 2 and the table 3, and the result who estimates the physical property of each antiglare film by assay method described later reduces shown in the following table 1 simultaneously.
Table 1: the physical property of film
Transmitance Mist degree Glossiness Identity Mar resistance
Anti-dazzle property Flash Pure white
Embodiment 1 ????92.3 ????12.7 ????54.3 ????○ ????○ ????○ ????○
Embodiment 2 ????92.1 ????16.7 ????42.1 ????○ ????○ ????○ ????○
Embodiment 3 ????92.6 ????9.8 ????50.1 ????○ ????◎ ????○ ????○
Embodiment 4 ????92.6 ????11.2 ????44.5 ????○ ????◎ ????○ ????○
Embodiment 5 ????92.0 ????13.9 ????48.0 ????○ ????○ ????○ ????○
Embodiment 6 ????92.8 ????12.7 ????49.8 ????○ ????○ ????○ ????○
Embodiment 7 ????91.1 ????16.8 ????55.3 ????△ ????○ ????○ ????○
Embodiment 8 ????91.3 ????19.1 ????41.2 ????○ ????△ ????○ ????○
Comparative example 1 ????90.8 ????14.5 ????51.1 ????○ ????× ????○ ????○
Comparative example 2 ????91.9 ????12.5 ????58.0 ????× ????○ ????○ ????×
Comparative example 3 ????90.5 ????41.1 ????39.2 ????○ ????○ ????× ????○
Comparative example 4 ????91.2 ????39.0 ????38.0 ????○ ????○ ????× ????○
Comparative example 5 ????92.5 ????9.5 ????68.5 ????× ????○ ????○ ????○
Comparative example 6 ????90.1 ????39.4 ????56.6 ????○ ????○ ????× ????○
Comparative example 7 ????91.6 ????19.0 ????84.0 ????× ????△ ????○ ????○
Comparative example 8 ????90.3 ????50.2 ????14.6 ????○ ????× ????× ????×
Comparative example 9 ????92.6 ????4.0 ????68.0 ????× ????○ ????○ ????○
Comparative example 10 ????92.7 ????4.2 ????72.1 ????× ????○ ????○ ????○
Table 2: the formation of film (embodiment)
The 2nd kind of particulate of the 1st kind of particulate of particulate The interpolation ratio (weight portion) that relative resin is 100 parts Mean grain size μ m Refractive index Coating thickness μ m Thickness/1st kind of diameter of particle
Embodiment 1 ??MX300 ??PL-1 7 7 3.0 0.01 ????1.49 ????1.46 ????4.1 1.4
Embodiment 2 ??MX300 ??PL-3 7 7 3.0 0.03 ????1.49 ????1.46 ????4.2 1.4
Embodiment 3 ??MX150 ??PL-1 7 5 1.5 0.01 ????1.49 ????1.46 ????2.7 1.8
Embodiment 4 ??MX150 ??PL-3 7 5 1.5 0.03 ????1.49 ????1.46 ????2.7 1.8
Embodiment 5 ??TP130 ??PL-1 10 7 3.0 0.01 ????1.49 ????1.46 ????3.7 1.2
Embodiment 6 ??MX300 ??PL-1 7 7 3.0 0.01 ????1.49 ????1.46 ????4.1 1.4
Embodiment 7 ??MX300 ??PL-1 9 28 3.0 0.01 ????1.49 ????1.46 ????4.1 1.4
Embodiment 8 ??MX300 ??PL-1 25 8 3.0 0.01 ????1.49 ????1.46 ????4.2 1.4
Table 3: the formation of film (comparative example)
The 2nd kind of particulate of the 1st kind of particulate of particulate The interpolation ratio (weight portion) that relative resin is 100 parts Mean grain size μ m Refractive index Coating thickness μ m Thickness/1st kind of diameter of particle
Comparative example 1 ??MX500 ??PL-1 7 7 5.0 0.01 ????1.49 ????1.46 6.0 1.2
Comparative example 2 ??X-52-854 ??PL-3 6 6 0.8 0.01 ????1.49 ????1.46 1.5 1.9
Comparative example 3 ??MX300 ??SO-Ci 7 7 3.0 0.3 ????1.49 ????1.46 4.1 1.4
Comparative example 4 ??SX350H ??PL-1 7 7 3.5 0.01 ????1.49 ????1.46 4.3 1.2
Comparative example 5 ??MX300 ??PL-1 2 7 3.0 0.01 ????1.49 ????1.46 3.7 1.2
Comparative example 6 ??C1504 ??PL-1 7 7 4.0 0.01 ????1.49 ????1.46 5.5 1.4
Comparative example 7 ??MX300 ??PL-1 7 7 3.0 0.01 ????1.49 ????1.46 7.1 2.4
Comparative example 8 ??MX300 ??PL-1 7 7 3.0 0.01 ????1.49 ????1.46 2.0 0.7
Comparative example 9 Only MX300- 7 - 3.0 - ????1.49 ????- 3.9 2.4
Comparative example 10 ??- ??PL-1 - 7 - 0.01 ????- ????1.46 4.1 -
As mentioned above, the embodiment 1～6 that combines 2 types particle size, use level, mean grain size and refractive index can draw good transmitance, anti-dazzle property, identity and mar resistance.The embodiment 7 that the use level of the 2nd kind of particulate is more, the some deteriorations of anti-dazzle property.And the 1st kind of embodiment that the particulate use level is more 8, transmitance is low, and some is serious to flash phenomenon.The comparative example 1 that the mean grain size of the 1st kind of particulate is big flashes phenomenon significantly and transmitance is low.The comparative example 2 that the mean grain size of the 2nd kind of particulate is little, anti-dazzle property and mar resistance are low.The comparative example 3 that the mean grain size of the 2nd kind of particulate is big and the 1st kind of particulate be inorganic be the comparative example 6 of particulate, transmitance is low, thus picture is white in color.The pure white phenomenon of picture has taken place in 4 of the comparative examples that the refractive index of the 1st kind of particulate is big.The comparative example 7 that comparative example 5, the coating thickness that the use level of the 1st kind of particulate is few is thick, the comparative example 10 that does not have the comparative example 9 of the 2nd kind of particulate and do not have the 1st kind of particulate do not have anti-dazzle property and have injecting of outer light.The comparative example 8 that coating thickness is thin, flashes phenomenon, pure white and mar resistance is all bad at transmitance.
Below assay method is concluded.
1. transmitance: measure the 550nm value by spectrophotometer (UV3100 of Shimadzu Seisakusho Ltd.).
2. mist degree (blur level): (color technical institute in the village HM150) and according to JIS K7105 measures by the mist degree measuring instrument.
9. glossiness: (color technical institute in the village GM-26PR0) and according to JIS Z8741 measures 60 degree glossiness by Grossmeters.
4. anti-dazzle property: carried out for 3 stages by visual valuation and estimate with reference to above-mentioned 60 degree glossiness.Be expressed as zero to fully out of question, poor slightly item is expressed as △, be not suitable for using be expressed as *.
5. flash: cover each antiglare film being shown as on the LCD of comprehensive green (liquid crystal display), and by the visual degree of flashing of estimating picture.And, set in advance the transparent type dura mater from the teeth outwards.Be expressed as ◎ can't see the item that flashes fully, the item that flashes a little is expressed as zero, flashes big slightly item and is expressed as △, flash big item to be expressed as *.
6. pure white: as to measure black concentration by the Macbeath densimeter of on the coating reverse side, pasting black pvc para tape (day eastern vinyl tape, PROSELF NO.21 (width of cloth is wide)).Being expressed as zero more than 2.10, less than 2.10 be expressed as *.
7. mar resistance: the steel wool of #0000 is set on the antiglare layer surface, and by visual cut number of counting because the firmness testing machine increases the weight of 24.5kPa the antiglare layer surface after coming and going for 100 times.The antiglare layer no marking be expressed as zero, the item that cut is less than 10 is expressed as △, cut being expressed as more than 10 *.
Can access the good antiglare film of low haze, the high grade of transparency and mar resistance by the present invention.The antiglare film of the application of the invention, even high-resolution display can reduce flashing and white partially (pure white) of image, thus the identity of raising display.

Claims (8)

1. antiglare film, setting contains the antiglare layer of 2 kinds of particulates and resin and constitutes on hyaline membrane, it is characterized in that the 1st kind of particulate is organic particulate, mean grain size is 1～4 μ m, and refractive index is in 1.45～1.55 scope, the 2nd kind of particulate is the inanimate matter particulate, and mean grain size is less than 0.1 μ m, and refractive index is in 1.45～1.55 scope, and then the thickness that is coated with of antiglare layer is 0.8～2.5 times of the 1st kind of particulate mean grain size, and 60 degree mirror surface lusters are below 65%.
2. antiglare film, setting contains the antiglare layer of 2 kinds of particulates and resin and constitutes on hyaline membrane, it is characterized in that, the 1st kind of particulate is organic particulate, mean grain size is 1～4 μ m, its refractive index is in 1.45～1.55 scope, relative resin 100 weight portions of its use level are 5～20 weight portions, the 2nd kind of particulate is the inanimate matter particulate, mean grain size is less than 0.1 μ m, and refractive index is in 1.45～1.55 scope, and relative resin 100 weight portions of its use level are 5～25 weight portions, and the thickness that is coated with of antiglare layer is 0.8～2.5 times of the 1st kind of particulate mean grain size.
3. antiglare film as claimed in claim 1 or 2, wherein, hyaline membrane is tri acetyl cellulose film or norborene film.
4. as each described antiglare film in the claim 1～3, wherein, the 2nd kind of contained particulate of antiglare layer is silicon dioxide microparticle.
5. as each described antiglare film in the claim 1～4, wherein, the contained resin of antiglare layer is the ionizing radiation gel-type resin.
6. as each described antiglare film in the claim 1～5, wherein, the 1st kind of contained particulate of antiglare layer is at least a kind of spheroidal particle selecting from acryl resin particulate, silicone resin particulate or plexiglass particulate.
7. as each described antiglare film in the claim 1～6, wherein, the 1st kind of particulate that antiglare layer is contained and the mixing ratio of the 2nd kind of particulate are 1: 10～2: 1.
8. as each described antiglare film in the claim 1～7, wherein, the surfaceness on antiglare layer surface is 0.05～0.5 μ m with 10 mean roughness (Rz).
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