CN102963055B - A kind of antiglare film preparation technology - Google Patents
A kind of antiglare film preparation technology Download PDFInfo
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- CN102963055B CN102963055B CN201210435935.3A CN201210435935A CN102963055B CN 102963055 B CN102963055 B CN 102963055B CN 201210435935 A CN201210435935 A CN 201210435935A CN 102963055 B CN102963055 B CN 102963055B
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Abstract
The present invention relates to ARC field, disclose a kind of high-efficiency environment friendly preparation technology of antiglare film, it is the no-solvent type photocuring polyfunctional group urethane acrylate being contained delustring particulate on optical grade pet film by mirror roller extrusion cloth.The antiglare film using this technique to prepare gained has high transmission rate, outstanding anti-dazzle performance, and without whiting and bright spot, and preparation cost is low, non-volatility solvent, environmentally friendly.In addition, the present invention also provides a kind of antiglare film utilizing above-mentioned preparation technology to obtain.
Description
Technical field
The present invention relates to ARC field, particularly relate to antiglare film preparation technology.
Background technology
Along with large scale touch-screen smart mobile phone, high definition high image quality move the popular of notebook computer and hand-held panel computer, no matter people all can meet with same problem in indoor or outdoor use procedure, be exactly light and sunshine and other luminous reflecting object reflections on a display screen, display frame is interfered, occur reflective, turn white, comfortablely clearly cannot identify image content.
In order to solve the problem, industry proposes the anti-dazzle protection film having sticked anti-dazzle effect in display screen surface.At present, the formation scheme of anti-dazzle protection film mainly contains following two kinds: 1) be coated with at film surface the solvent-borne type light-cured resin that one deck contains quenching matter, 2) there is in film surface coating layer of surface the light-cured resin of concaveconvex structure.
Although above two schemes all possesses anti-dazzle function, the solvent-borne type light-cured resin containing quenching matter, has a large amount of solvent volatilizations in process of production, can cause certain injury to the health of production operation personnel; And the solvent vapored away in a large number cannot reclaim, production cost is increased, and contaminated environment.And prepare concaveconvex structure by light-cured resin at film surface, light is made to produce diffuse reflection on film surface, reduce reflective, reach abblendbar technique, the key of its technique is the running roller that preparation surface has concaveconvex structure, and this running roller possessing concaveconvex structure requires high to material, and complicated process of preparation, required precision is high, easily causes film surface structure uneven if concaveconvex structure is not uniformity, produces bright spot; In addition, running roller is limited for service life, preparation and maintenance cost high.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of production efficiency high, free of contamination in production process, environment-friendly type preparation technology.
The present invention also provides a kind of anti-dazzle diaphragm utilizing above-mentioned preparation technology to obtain.
For reaching above object, the present invention adopts following technical scheme.
A kind of antiglare film preparation technology, is characterized in that, first, adopts running roller extrusion coated technique to be coated with one deck light-cured resin on optical-grade transparent film; Then, light-cured resin curing molding is made through Ultraviolet radiation; Described light-cured resin is the no-solvent type photocuring polyfunctional group urethane acrylate containing delustring particulate;
The running roller of described running roller extrusion coated technique comprises: coating running roller and counter-pressure cylinder; Described coating running roller is mirror metal roller, and described counter-pressure cylinder is the rubber rollers of high temperature resistant UV resistant;
Concrete steps comprise:
First, utilize two functional silanes coupling agents to offset light particles and carry out pretreatment, and pretreated delustring particulate is dried, the delustring particulate after drying is joined in light-cured resin, high-speed stirred 1-2 hour;
Then, by constant temperature circulating mend colloid system the light-cured resin be stirred is delivered in glue spreading system, light-cured resin is distributed in optical-grade transparent film surface through the precoating of glue spreading system running roller, enter immediately shaping area through mirror roller and back pressure rubber rollers extruded;
Finally, the high-intensity ultraviolet utilizing ultraviolet emission device to launch is according to lower solidification, and rolling is shaping;
The preparation method of above-mentioned mirror metal roller is: first at its electroplating surface one deck chromium, then make its surface smoothness reach minute surface by grinding technics.
The another side of above-mentioned optical-grade transparent film is coated with one deck optical grade pressure sensitive glue or optical grade liquid-state silicon gel, after curing process, become adhered layer.
The material of above-mentioned optical-grade transparent film is optical grade PETG; The thickness of this optical-grade transparent film is between 25 μm-250 μm.
Above-mentioned delustring particulate is superfine silicon dioxide, one or more in aluminum stearate or low molecule thermoplastic resin.
The average grain diameter of above-mentioned delustring particulate is between 0.1 μm to 5 μm.
Compared with prior art, a kind of antiglare film preparation technology provided by the invention has following beneficial effect:
One, antiglare film adopts optical thin film PETG and the photocuring polyfunctional group urethane acrylate containing delustring particulate to form; Make prepared antiglare film light transmittance be 86-92% (GB/T2410-2008), mist degree is 2-10% (GB/T 2410-2008), case hardness 1-3H (GB_T 6739-2006).
Two, because light-cured resin is the UV radiation curing polyfunctional group urethane acrylate of no-solvent type, not only have high rigidity, light transmittance is high, and curing rate is fast, and the advantage that adhesion property is good, and solvent-free volatilization, to human body and environmental friendliness.
Compared with prior art, have antiglare effect good, mist degree precisely controls between 2-10% a kind of anti-dazzle protection film provided by the invention, and light transmittance is not less than 86%, without bright spot, without imaging uneven phenomenon.
Accompanying drawing explanation
Fig. 1 is antiglare film preparation technology schematic diagram provided by the invention;
Fig. 2 is anti-dazzle membrane structure schematic diagram provided by the invention.
Description of reference numerals:
1, optical-grade transparent film 2, light-cured resin 3, ultraviolet emission device 4, mirror roller 5, back pressure rubber rollers 6, benefit colloid system
11, pet layer 12, antiglare layer.
Detailed description of the invention
For setting forth essence of the present invention further, by reference to the accompanying drawings the specific embodiment of the present invention is described as follows.
Preparation technology's embodiment
As shown in Figure 1, a kind of antiglare film preparation technology, comprising: first, adopts running roller extrusion coated technique to be coated with one deck light-cured resin 2 on optical-grade transparent film 1; Then, adopt ultraviolet emission device 3 to irradiate light-cured resin 2, make its curing molding.In the present embodiment, described light-cured resin 2 is preferably the no-solvent type photocuring polyfunctional group urethane acrylate containing delustring particulate.
Wherein, described optical-grade transparent film 1 is preferably optics level PET (PETG) film, and the thickness of this optical-grade transparent film is 100 μm; Described delustring particulate is preferably superfine SiO 2, and its average grain diameter is between 0.1 μm to 5 μm.In other embodiments, the thickness of described optical-grade transparent film is between 25 μm-250 μm, and described delustring particulate is one or more in talcum powder, low molecule thermoplastic resin.Especially, described delustring particulate must carry out pretreatment before use, and pretreating agent is preferably two functional silanes coupling agents; In other embodiments, described pretreating agent is one in two functional silanes coupling agents, titanate coupling agent or intermixture.
During actual preparation, first, will join in light-cured resin 2, after high-speed stirred 1-2 hour through delustring particulate that is pretreated and that dry; Then, by constant temperature circulating mend colloid system 6 light-cured resin be stirred is delivered in glue spreading system, light-cured resin 2 is distributed in pet sheet face through the precoating of glue spreading system running roller, enter immediately shaping area through mirror metal roller 4 and back pressure rubber rollers 5 extruded; Finally, the high-intensity ultraviolet utilizing ultraviolet emission device 3 to launch is according to lower solidification, and rolling is shaping.In the present embodiment, the preparation method of described mirror metal roller 4 is: first at its electroplating surface one deck chromium, then make its surface smoothness reach minute surface by grinding technics; The mirror metal roller utilizing the method to obtain has the feature of long service life.
Further, according to embody rule, after preparation completes antiglare layer, be coated with one deck optical grade pressure sensitive glue or optical grade liquid-state silicon gel at PET another side, after curing process, become adhered layer, can be pasted on display screen easily with face.
Antiglare film embodiment
As shown in Figure 2, a kind of antiglare film obtained based on aforementioned preparation technology, comprising: pet layer 11 and the antiglare layer 12 be arranged on pet layer 11 side.Wherein, the thickness of described antiglare film is 15 μm, is inlaid with the delustring particulate 13 of average grain diameter between 0.1 μm to 5 μm in described antiglare layer 12.In other embodiments, the thickness of described antiglare film is between 2 μm to 20 μm, is not limited to the present embodiment.
Further, in order to antiglare film pastes use better, the another side of described antiglare layer 12 is also provided with tack coat; Be not limited to the present embodiment.
Above detailed description of the invention has been described in detail essence of the present invention, but can not limit protection scope of the present invention with this.Apparently, under the enlightenment of essence of the present invention, the art those of ordinary skill also can carry out many improvement and modification, it should be noted that these improve and modification all drops within the claims of this patent.
Claims (5)
1. an antiglare film preparation technology, is characterized in that, first, adopts running roller extrusion coated technique to be coated with one deck light-cured resin on optical-grade transparent film; Then, light-cured resin curing molding is made through Ultraviolet radiation; Described light-cured resin is the no-solvent type photocuring polyfunctional group urethane acrylate containing delustring particulate;
The running roller of described running roller extrusion coated technique comprises: coating running roller and counter-pressure cylinder; Described coating running roller is mirror metal roller, and described counter-pressure cylinder is the rubber rollers of high temperature resistant UV resistant;
Concrete steps comprise:
First, utilize two functional silanes coupling agents to offset light particles and carry out pretreatment, and pretreated delustring particulate is dried, the delustring particulate after drying is joined in light-cured resin, high-speed stirred 1-2 hour; Then, by constant temperature circulating mend colloid system the light-cured resin be stirred is delivered in glue spreading system, light-cured resin is distributed in optical-grade transparent film surface through the precoating of glue spreading system running roller, enter immediately shaping area through mirror roller and back pressure rubber rollers extruded;
Finally, the high-intensity ultraviolet utilizing ultraviolet emission device to launch is according to lower solidification, and rolling is shaping;
The preparation method of described mirror metal roller is: first at its electroplating surface one deck chromium, then make its surface smoothness reach minute surface by grinding technics.
2. by antiglare film preparation technology according to claim 1, it is characterized in that, be coated with one deck optical grade pressure sensitive glue or optical grade liquid-state silicon gel at the another side of optical-grade transparent film, after curing process, become adhered layer.
3. by antiglare film preparation technology according to claim 1, it is characterized in that, the material of described optical-grade transparent film is optical grade PETG; The thickness of this optical-grade transparent film is between 25 μm-250 μm.
4. by antiglare film preparation technology according to claim 1, it is characterized in that, described delustring particulate is superfine silicon dioxide, one or more in aluminum stearate or low molecule thermoplastic resin.
5. by antiglare film preparation technology according to claim 1, it is characterized in that, the average grain diameter of described delustring particulate is between 0.1 μm to 5 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210435935.3A CN102963055B (en) | 2012-11-06 | 2012-11-06 | A kind of antiglare film preparation technology |
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| CN201210435935.3A CN102963055B (en) | 2012-11-06 | 2012-11-06 | A kind of antiglare film preparation technology |
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| CN102963055B true CN102963055B (en) | 2015-10-28 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070748B (en) * | 2014-05-22 | 2016-05-11 | 东莞市纳利光学材料有限公司 | Frosted diaphragm and preparation method thereof |
| CN107286836A (en) * | 2017-06-02 | 2017-10-24 | 广东北玻电子玻璃有限公司 | A kind of anti-glare coating liquid and preparation method thereof |
| JP6837018B2 (en) * | 2018-01-29 | 2021-03-03 | 株式会社ダイセル | Manufacturing method of resin molded products |
| CN110983765A (en) * | 2019-12-31 | 2020-04-10 | 上海赛夫工贸发展有限公司 | Environment-friendly reflective fabric and preparation method thereof |
| CN111716743A (en) * | 2020-06-29 | 2020-09-29 | 东莞市超智新材料有限公司 | PVC protective film and preparation method thereof |
| CN113552657A (en) * | 2021-07-01 | 2021-10-26 | 安徽胜利精密制造科技有限公司 | Preparation method of anti-glare ultralow-reflection film |
| CN114236654A (en) * | 2021-12-28 | 2022-03-25 | 东莞市超智新材料有限公司 | Anti-dazzle light beam direction control film and preparation method thereof |
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| CN1493889A (en) * | 2002-08-28 | 2004-05-05 | �յÿ���ʽ���� | Anti-glare hard coating film |
| US6830348B2 (en) * | 2000-07-19 | 2004-12-14 | Fuji Photo Film Co., Ltd. | Antiglare and antireflection film, polarizer, and image display device |
| CN1746702A (en) * | 2005-09-30 | 2006-03-15 | 中国乐凯胶片集团公司 | Anti-dazzle thin-membrane and production thereof |
| CN1940601A (en) * | 2005-09-26 | 2007-04-04 | 力特光电科技股份有限公司 | Film against dazzle and reflection and polarized board and display device therewith |
| CN102520465A (en) * | 2011-11-10 | 2012-06-27 | 中国乐凯胶片集团公司 | Preparation method of optical film |
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- 2012-11-06 CN CN201210435935.3A patent/CN102963055B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830348B2 (en) * | 2000-07-19 | 2004-12-14 | Fuji Photo Film Co., Ltd. | Antiglare and antireflection film, polarizer, and image display device |
| CN1493889A (en) * | 2002-08-28 | 2004-05-05 | �յÿ���ʽ���� | Anti-glare hard coating film |
| CN1940601A (en) * | 2005-09-26 | 2007-04-04 | 力特光电科技股份有限公司 | Film against dazzle and reflection and polarized board and display device therewith |
| CN1746702A (en) * | 2005-09-30 | 2006-03-15 | 中国乐凯胶片集团公司 | Anti-dazzle thin-membrane and production thereof |
| CN102520465A (en) * | 2011-11-10 | 2012-06-27 | 中国乐凯胶片集团公司 | Preparation method of optical film |
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