CN100340873C - Optical film for anti ultraviolet radiation - Google Patents
Optical film for anti ultraviolet radiation Download PDFInfo
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- CN100340873C CN100340873C CNB2004100706637A CN200410070663A CN100340873C CN 100340873 C CN100340873 C CN 100340873C CN B2004100706637 A CNB2004100706637 A CN B2004100706637A CN 200410070663 A CN200410070663 A CN 200410070663A CN 100340873 C CN100340873 C CN 100340873C
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- coating
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- base material
- resin
- blooming
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Abstract
The present invention relates to an anti-UV optical film which comprises a base material. The present invention is characterized in that at least one surface of the base material is coated with an anti-UV coating layer, and the anti-UV coating layer is formed by resin using inorganic fine particles and acrylic acid series monomers as polymerization units. The optical film of the present invention has high weatherability and has an effect on absorbing ultraviolet rays.
Description
Technical field
The invention relates to a kind of blooming.Blooming of the present invention can be used on glass or flat-panel screens in, have good against weather, and have and absorb ultraviolet effect.
Background technology
If human body tans by the sun too much ultraviolet ray, be easy to generate cataract, cutaneum carcinoma, burn and symptom such as thickization of skin, therefore ultraviolet ray has many adverse influences to human body.
In addition,, can damage, situations such as yellow, embrittlement and distortion take place easily material if material contacts ultraviolet ray for a long time.
In order to reduce ultraviolet injury, people constantly seek strong and effective ultraviolet absorption material for many years, as ultraviolet light absorber.Ultraviolet light absorber mostly is organic substance greatly, has short, shortcoming such as toxicity is big of life-span.For improving these shortcomings, progressively development uses the nano grade inorganic particulate to replace ultraviolet light absorber recently.
LCD is is better viewed and admired angle and color for presenting, if only improve brightness by increasing fluorescent tube merely, not only cause too much heat to be accumulated in structure easily, influence the life-span and the quality of other parts material, power consumption simultaneously is excessive, can't satisfy many information products and need rely on the requirement that battery uses with off-line.In backlight module, utilize blooming miscellaneous so far, provide a kind of and can improve overall brightness, the performance that makes light source do full blast but need not be changed the structure and the internal wiring design of any panel or be consumed the way of additional energy source, has become most economical and easy solution.
The light that backlight is launched contains ultraviolet ray (UV), easily causes the macromolecule resin yellow in the blooming, causes reflecting effect to weaken and the aberration problem of LCD.
This case the inventor find through broad research, in the anti-UV coating of blooming surface-coated, not only do not influence the density of blooming, again can be with the UV light absorption in most of backlight, and can make blooming tool permanance and can reduce its thickness.Use this kind blooming, need not to change relevant design and mould, the brightness of liquid crystal display is improved, can effectively solve the aforesaid drawbacks.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of anti-UV blooming, and it comprises a base material, it is characterized by to have at least a substrate surface to be coated with anti-UV coating, and this anti-UV coating comprises inorganic particles and contains the resin of acrylic monomer as polymerized unit.
Embodiment
The employed base material of blooming of the present invention there is no particular restriction, can be transparent, translucent or opaque, known to the those skilled in the art.Generally speaking, this base material comprises at least one floor height molecule resin.This macromolecule resin there is no particular restriction, and it is such as but not limited to polyalkenes resin (polyolefin resin), as tygon (PE) or polypropylene (PP); Vibrin (polyester resin) is as polyethylene terephthalate (PET); Polyacrylate (polyacrylate resin) resin is as polymethylmethacrylate (PMMA); Polycarbonate resin (polycarbonateresin); Polyurethane resin (polyurethane resin), or its potpourri.According to an advantageous embodiment of the invention, blooming of the present invention is to use the vibrin base material, is preferably polyethylene terephthalate.Aforementioned substrates can optionally comprise the known inorganics of those skilled in the art, as zinc paste, silicon dioxide, titania, aluminium oxide, calcium sulphate, barium sulphate, lime carbonate or its potpourri.Base material of the present invention can be single or multiple lift, and wherein one or more layers contains this inorganic particulate.Particularly, the present invention for example can use one or three layers of base material, and wherein the middle layer contains this inorganics.
The coating that blooming substrate surface of the present invention is coated with has the ultraviolet ability of absorption, and it comprises inorganic particles and contains the resin of acrylic monomer as polymerized unit.
The inorganic particles that can be used among the present invention there is no particular restriction, and it is such as but not limited to zinc paste, silicon dioxide, titania, aluminium oxide, calcium sulphate, barium sulphate, lime carbonate or its potpourri.The particle size of above-mentioned inorganic particles is generally 1～100 nanometer (nano meter), is preferably 20～50 nanometers.
Inorganic particles content in the blooming substrate surface coating of the present invention in total coating weight, is 0.01～20 weight %, is preferably 1～5 weight %.
Can be used for the resin in the blooming substrate surface coating of the present invention, contain one or more acrylic monomers as polymerized unit, this acrylic monomer is the following general formula of tool:
R wherein
1Be hydrogen atom or methyl; R
2Be hydrogen atom, C
6～C
18Aromatic series base (aromatic group), C
1～C
18Fatty group (aliphatic group), hydroxy alkyl (hydroxyalkyl) [C
nH
2nOH, n=2～10], NH
2Or C
10H
17The employed acrylic monomer of constituent of the present invention is preferably (methyl) acrylic acid, (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) acrylic acid (different) butyl ester, (methyl) Isooctyl acrylate monomer, (methyl) cyclohexyl acrylate and (methyl) acrylic acid hydroxyethyl ester or its potpourri.
The resin that contains acrylic monomer as polymerized unit used herein, be meant independent use acrylic monomer as the formed polymkeric substance of polymerized unit or acrylic monomer and other monomer, as styrene or three grades of polymkeric substance that polymerizations such as carboxylate form.
Being applicable to three grades of carboxylates of the present invention, is the following general formula of tool:
R wherein
3, R
4And R
5Be the alkyl chain of representing straight chain or tool side chain: C
mH
2m+1, the integer of m=1 to 15 wherein, R
6Be to be selected from the group that constitutes by following group:
CH＝CH
2 
Preferably three grades of carboxylates be selected from by saturated three grades the last of the ten Heavenly stems vinyl carboxylates, saturated three grades the ninth of the ten Heavenly Stems vinyl carboxylates and saturated three grades of groups that the last of the ten Heavenly stems, carboxylic acid epoxy propyl ester was constituted.
Containing the resin content of acrylic monomer as polymerized unit in the blooming substrate surface coating of the present invention, in total coating weight, is 99.99～70 weight %, is preferably 99～90 weight %.
In the coating of blooming substrate surface of the present invention, can optionally add rigidizer (Curing Agent), it can produce molecule and intermolecular chemical bond with cement and form interlinkage (Crosslinking).Rigidizer used in the present invention, by the those skilled in the art is known, it for example is a polyisocyanate (Polyisocyanate).Operable rigidizer content in the blooming substrate surface coating of the present invention in total coating weight, is 0～20 weight %, is preferably 5～10 weight %.
Blooming substrate coating of the present invention can optionally comprise the known additive of those skilled in the art, for example fluorescer or ultraviolet light absorber or its potpourri.
Can be used for the ultraviolet light absorber in the blooming substrate surface coating of the present invention, by the those skilled in the art is known, it for example is benzotriazole (benzotriazoles), phentriazine class (benzotriazines), Benzophenone class (benzophenones) or salicyclic acid derivatives (salicylic acid derivatives) etc.
Can be used for the fluorescer in the blooming substrate surface coating of the present invention, there is no particular restriction, for the those skilled in the art known, can be organism, it includes but not limited to the two triazines (diphenylethylene bistriazines) of benzoxazoles class (benzoxazoles), benzimidazole (benzimidazoles) or talan; Or inorganics, for example zinc sulphide.
Blooming of the present invention can be used in the on glass of general building or automobile, has good anti-UV effect.Blooming of the present invention also can be used in the LCD as the reflectance coating of backlight, can highlight, and has good against weather, and has the ultraviolet effect of absorption, reaches the purpose that strengthens the LCD effect.
Following examples will the present invention is described further, just is not in order to limiting the scope of the invention, and any those skilled in the art without prejudice to spirit of the present invention following correction of being reached and variation, all belongs to scope of the present invention.
Embodiment 1
With 154.4 gram acryl resin [eterac 7363-ts-50, Eternal provides] (solid part about 50%), add each 40 gram of MEK/toluene, stir together (rotating speed 1000rpm), again successively preface add 35nm zinc paste/barium sulphate totally 3 grams, [desmodur 3390 for rigidizer, Bayer provides] 14.9 grams, form 250.0 gram coating (solid part 40%), coating is coated on UX-150 (Teijin provides) base material, can get filming of 10 μ m after the drying, leave standstill and do weatherability test (utilizing the QUV climatic cabinet, Q-panel company) after 7 days.Test gained result as shown in the following Table 1.
Embodiment 2
Repeat the step of embodiment 1, just change base material UX-150 (Teijin provides) into E60L (Toray provides).Test gained result as shown in the following Table 1.
Comparative example 1
To have the base material UX-150 (Teijin provides) of the coating of ultraviolet absorption ability less than coating, directly do weatherability test (utilizing the QUV climatic cabinet, Q-panel company).Test gained result as shown in the following Table 1.
Comparative example 2
Repeat the step of comparative example 1, just change base material UX-150 (Teijin provides) into E60L (Toray provides).Test gained result as shown in the following Table 1.
Table 1:QUV weatherability accelerated test, along with different exposure time, its yellow index (Yellowing index, YI) Zhi variation
[testing main wavelength 313nm]
| 20 hr Δ YI expose | 40 hr Δ YI expose | Exposure 110hr Δ YI | Exposure 150hr Δ YI | Exposure 200hr Δ YI | Exposure 200hr Δ YI | |
| Embodiment 1 | 0.5 | 0.6 | 0.9 | 1.0 | 1.15 | 1.25 |
| Embodiment 2 | 0.7 | 0.8 | 0.8 | 0.9 | 1.1 | 1.2 |
| Comparative example 1 | 0.73 | 2.06 | 4.96 | 5.95 | 8.76 | 11.26 |
| Comparative example 2 | 5.54 | 8.7 | 14.71 | 15.78 | 17.43 | 20.53 |
The result of comparing embodiment 1 and comparative example 1 and embodiment 2 and comparative example 2 has the coating of ultraviolet absorption ability in the substrate surface coating as can be known, has anti-preferably yellow effect, therefore can provide base material anti-UV character.
Claims (3)
1. anti-UV reflectance coating that is used for LCD as backlight, it comprises a base material, it is characterized by and have at least a substrate surface to be coated with anti-UV coating, and this anti-UV coating comprises inorganic particles, the resin and the rigidizer that contain the multipolymer of acrylic monomer, wherein this acrylic monomer system is selected from by acrylic acid, methacrylic acid, methyl methacrylate, Jia Jibingxisuanyizhi, isobutyl methacrylate, EHMA, cyclohexyl methacrylate and methacrylic acid hydroxyl ethyl ester and group that mixing constitutes thereof, this inorganic particles is for being selected from by zinc paste, group that barium sulphate and composition thereof constitutes, above-mentioned base material comprises at least one strata ester resin and inorganics.
2. anti-UV reflectance coating according to claim 1, wherein the particle diameter of this inorganic particles is 1～100 nanometer.
3. anti-UV reflectance coating according to claim 1, wherein this coating further comprises fluorescent agent or ultraviolet light absorber or its potpourri.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706637A CN100340873C (en) | 2004-07-29 | 2004-07-29 | Optical film for anti ultraviolet radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706637A CN100340873C (en) | 2004-07-29 | 2004-07-29 | Optical film for anti ultraviolet radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727917A CN1727917A (en) | 2006-02-01 |
| CN100340873C true CN100340873C (en) | 2007-10-03 |
Family
ID=35927295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100706637A Expired - Fee Related CN100340873C (en) | 2004-07-29 | 2004-07-29 | Optical film for anti ultraviolet radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100340873C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090082197A (en) * | 2006-10-26 | 2009-07-29 | 가부시키가이샤 닛폰 쇼쿠바이 | Polarizer protection film, polarizing plate and image display |
| CN105131803A (en) * | 2015-09-30 | 2015-12-09 | 江苏耀兴安全玻璃有限公司 | Preparation method of ultraviolet-proof glass coating |
| CN109658817A (en) * | 2017-10-10 | 2019-04-19 | 群创光电股份有限公司 | Display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325423A (en) * | 1998-11-10 | 2001-12-05 | 宝洁公司 | A file with UV-barrier properties |
| CN1096939C (en) * | 1996-12-09 | 2002-12-25 | 美国3M公司 | UV protected syndiotactic polystyrene overlay films |
| CN2624220Y (en) * | 2003-03-08 | 2004-07-07 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate, light-emitting module, light conducting module, and LCD |
-
2004
- 2004-07-29 CN CNB2004100706637A patent/CN100340873C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096939C (en) * | 1996-12-09 | 2002-12-25 | 美国3M公司 | UV protected syndiotactic polystyrene overlay films |
| CN1325423A (en) * | 1998-11-10 | 2001-12-05 | 宝洁公司 | A file with UV-barrier properties |
| CN2624220Y (en) * | 2003-03-08 | 2004-07-07 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate, light-emitting module, light conducting module, and LCD |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1727917A (en) | 2006-02-01 |
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Granted publication date: 20071003 Termination date: 20210729 |