CN103448312B - Screen protecting film that may filter that blue light and preparation method thereof - Google Patents
Screen protecting film that may filter that blue light and preparation method thereof Download PDFInfo
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- CN103448312B CN103448312B CN201310409082.0A CN201310409082A CN103448312B CN 103448312 B CN103448312 B CN 103448312B CN 201310409082 A CN201310409082 A CN 201310409082A CN 103448312 B CN103448312 B CN 103448312B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 239000000741 silica gel Substances 0.000 claims description 24
- 229910002027 silica gel Inorganic materials 0.000 claims description 24
- 239000000654 additive Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 238000010030 laminating Methods 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 17
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 229920002799 BoPET Polymers 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- 239000004611 light stabiliser Substances 0.000 claims description 5
- 241001062009 Indigofera Species 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 241001597008 Nomeidae Species 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 239000002313 adhesive film Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 21
- 239000005020 polyethylene terephthalate Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000695 crystalline len Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000004423 myopia development Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Optical Filters (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to screen protection technical field, particularly relate to a kind of screen protecting film that may filter that blue light and preparation method thereof.The finished product protection film manufactured can be converted into the high energy shortwave blue light of below 400nm the blue green light of 410 more than 580nm, has filtered the blue light of this wave band of 380nm 480nm injury eyes；Face is because absorption sunlight 380 400nm wavelength is at ultraviolet and blue light protecting film meeting blueing color in the sun, or green tinged color；And it is applicable to mobile phone, panel computer, display, TV set screen protection film, is also suitable in fields such as automobile adhesive film and building doors and windows filter blue light pad pastings simultaneously；It is worth application further and promotes.
Description
Technical field
The present invention relates to screen protection technical field, particularly relate to a kind of screen protection that may filter that blue light
Film and preparation method thereof cuticula preparation method.
Background technology
Along with the progress of science and technology, present market very popular LED electronic curtain, they generally send
High energy shortwave blue light, while meeting people's visual impression, it is seen that the light quantum of light short-and-medium wavelength blue light
The view of people is caused certain injury, causes the necrocytosis of retina or crystalline lens, Yi Jihuang
Speckle portion degenerates or cataract.
It addition, long-time this series products practical can cause visual fatigue, eye muscle and lenticular tensity,
And myopia development, have impact on the health of people.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of blue light that may filter that
Screen protecting film and preparation method thereof, the ultraviolet that can filter off all wavelengths can filter or convert again absolutely
Major part energy higher purplish blue light (i.e. the shortwave light of 380-480nm), effectively prevents from using
Mobile phone, IPAD panel computer, the blue light injury to eyes during television set.
The present invention is achieved through the following technical solutions: a kind of screen protecting film that may filter that blue light, on point
3-tier architecture under in, wherein:
Topmost one layer is UV hardened layer, and its thickness is 2-10 μm；
Intermediate layer is PET film or TPU film or the synthesis layer being made up of PET with TPU, described in
The thickness of interbed is 50 μm-300 μm；
Bottom one layer is laminating layer of silica gel, and its thickness is 10 μm-50 μm；
Filter blue light additive, described filtration all it is added with in described UV hardened layer and laminating layer of silica gel
The formula of blue light additive is: antioxidant addition is 1-5%, UV absorbent addition is
10-15%, hindered amine as light stabilizer addition are 5-8%, carbazolyl toluylene derivant 15-30%,
Fluorescent agent 10-35%, photochromic agent 20-30%, each component sum is 100%.
A kind of preparation method of the screen protecting film that may filter that blue light, it is characterised in that:
Described screen protecting film is divided into upper, middle and lower 3-tier architecture, wherein: topmost one layer be UV hardened layer,
Intermediate layer be PET film or TPU film or the synthesis layer being made up of PET with TPU, bottom one layer
For laminating layer of silica gel,
Add filter blue light additive in described UV hardened layer, be coated on PET film base by coating machine
On the synthesis layer base material formed on material or on TPU film base material or by PET with TPU, described indigo plant
The adding proportion of light filtration additives is proportioning 5-200 gram in every kilogram of UV coating；
Described laminating layer of silica gel is added filter blue light additive, is coated on PET film by coating machine
On the synthesis layer base material formed on base material or on TPU film base material or by PET with TPU, described indigo plant
The adding proportion of light filtration additives is that every kilogram of silica gel adds 5-180 gram；
The formula of described filter blue light additive is: antioxidant addition is 1-5%, ultra-violet absorption
Agent addition is 10-15%, hindered amine as light stabilizer addition is 5-8%, carbazolyl toluylene derives
Thing 15-30%, fluorescent agent 10-35%, photochromic agent 20-30%, each component sum is 100%；
Preparation process includes:
Dispensing:
Difference mixed dissolution filter blue light additive, temperature range during dissolving in UV coating and in silica gel
At 20-30 DEG C；
Stirring:
Stir to material dispersion uniform, control each material concentration change in the base and be less than 5%,
The temperature controlling whipping process is not higher than 50 DEG C；
Coating: during coating UV hardened layer, temperature range is at 80-140 DEG C, temperature during coating laminating layer of silica gel
Scope is at 150-190 DEG C；
Laminating:
Pure PET is pasted, at UV hardened layer laminating PE or PET glue protecting film on laminating layer of silica gel；
Rolling is finished product filter blue light screen protecting film.
Compared with prior art, the invention has the beneficial effects as follows: the finished product protection film 1, manufactured
The high energy shortwave blue light of below 400nm can be converted into the blue green light of more than 410-580nm, filter
The blue light of 380nm-480nm this wave band injury eyes；2, in the sun face because absorb sunlight
380-400nm wavelength is at ultraviolet and blue light protecting film meeting blueing color, or green tinged color；3, it is applicable to hands
Machine, panel computer, display, TV set screen protection film, simultaneously at automobile adhesive film and building doors and windows
The fields such as filter blue light pad pasting are also suitable；It is worth application further and promotes.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with enforcement
Example, is further elaborated to the present invention.Should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
The present invention is achieved through the following technical solutions: a kind of screen protecting film that may filter that blue light and system thereof
Preparation Method, examines under a microscope, and is divided into upper, middle and lower 3-tier architecture, wherein: topmost one layer is
Hard-coating UV hardened layer, its thickness is 2-10 μm, intermediate layer be PET film or TPU thin
Film, or be the synthesis layer of PET and TPU, its thickness is 50 μm-300 μm, and bottom one layer is patch
Closing layer of silica gel, its thickness is 10 μm-50 μm；Filter blue light additive is added on Hard-coating
In UV hardened layer, being coated on PET film base material by coating machine, blue light filtration additives ratio is
In every kilogram of Hard-coating UV coating, proportioning 5-200 gram is (according to blue light filtration additives formula
Depending on).
First embodiment
Filter blue light additive is added in PET plastic particles, carry out that PET plastic particles is two-way to be drawn
Stretching processing, becoming thickness is 20-350 μm mylar base material, and its adding proportion is every kilogram of PET
Particle adds 2-150 gram.
Second embodiment
Filter blue light additive is added silica gel (Silica gel chemical molecular formula is mSiO2 nH2O)
In be coated in PET film or in TPU film, its adding proportion is that every kilogram of silica gel adds 5-180
Gram.
Wherein, the formula of filter blue light additive is: antioxidant addition is 1-5%, and ultraviolet is inhaled
Receiving agent addition is 10-15%, and hindered amine as light stabilizer addition is 5-8%, and carbazolyl toluylene spreads out
Biological 15-30%, fluorescent agent 10-35%, photochromic agent 20-30%, each component sum is 100%.
Meanwhile, in Hard-coating UV coating or silica gel (Silica gel) mixes molten dispensing
Solving filter blue light additive, during dissolving, temperature range is at 20-30 DEG C；Stirring: stir equal to material dispersion
Even, control each material concentration change in the base less than 5%；Control the temperature of whipping process not
Higher than 50 DEG C；Coating: during coating Hard-coating UV hardened layer, temperature range is at 80-140 DEG C,
During coating silica gel (Silica gel), temperature range is at 150-190 DEG C；Laminating: pure at silicon glue surface plaster
PET, at UV hardened layer laminating PE or PET glue protecting film；Rolling is that finished product filter blue light screen is protected
Cuticula.
Base material can select PET, TPU, PP, PVC, ABS, PC, PVP, PS, PU polymer.
The finished product protection film manufactured can be converted into the high energy shortwave blue light of below 400nm
The blue green light of more than 410-580nm；Filter the blue light of this wave band of 380nm-480nm injury eyes；
Face can blueing at ultraviolet and blue light protecting film because absorbing sunlight 380-400nm wavelength in the sun
Color, or green tinged color；It is applicable to mobile phone, panel computer, display, TV set screen protection film, with
Time be also suitable in fields such as automobile adhesive film and building doors and windows filter blue light pad pastings.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, all should comprise
Within protection scope of the present invention.
Claims (2)
1. the screen protecting film that may filter that blue light, it is characterised in that: point upper, middle and lower 3-tier architecture,
Wherein:
Topmost one layer is UV hardened layer, and its thickness is 2-10 μm；
Intermediate layer is PET film or TPU film or the synthesis layer being made up of PET with TPU, described in
The thickness of interbed is 50 μm-300 μm；
Bottom one layer is laminating layer of silica gel, and its thickness is 10 μm-50 μm；
Filter blue light additive, described filtration all it is added with in described UV hardened layer and laminating layer of silica gel
The formula of blue light additive is: antioxidant addition is 1-5%, UV absorbent addition is
10-15%, hindered amine as light stabilizer addition are 5-8%, carbazolyl toluylene derivant 15-30%,
Fluorescent agent 10-35%, photochromic agent 20-30%, each component sum is 100%.
2. the preparation method of the screen protecting film that may filter that blue light, it is characterised in that:
Described screen protecting film is divided into upper, middle and lower 3-tier architecture, wherein: topmost one layer be UV hardened layer,
Intermediate layer be PET film or TPU film or the synthesis layer being made up of PET with TPU, bottom one layer
For laminating layer of silica gel,
Add filter blue light additive in described UV hardened layer, be coated on PET film base by coating machine
On the synthesis layer base material formed on material or on TPU film base material or by PET with TPU, described indigo plant
The adding proportion of light filtration additives is proportioning 5-200 gram in every kilogram of UV coating；
Described laminating layer of silica gel is added filter blue light additive, is coated on PET film by coating machine
On the synthesis layer base material formed on base material or on TPU film base material or by PET with TPU, described indigo plant
The adding proportion of light filtration additives is that every kilogram of silica gel adds 5-180 gram；
The formula of described filter blue light additive is: antioxidant addition is 1-5%, ultra-violet absorption
Agent addition is 10-15%, hindered amine as light stabilizer addition is 5-8%, carbazolyl toluylene derives
Thing 15-30%, fluorescent agent 10-35%, photochromic agent 20-30%, each component sum is 100%；
Preparation process includes:
Dispensing:
Difference mixed dissolution filter blue light additive, temperature range during dissolving in UV coating and in silica gel
At 20-30 DEG C；
Stirring:
Stir to material dispersion uniform, control each material concentration change in the base and be less than 5%,
The temperature controlling whipping process is not higher than 50 DEG C；
Coating: during coating UV hardened layer, temperature range is at 80-140 DEG C, temperature during coating laminating layer of silica gel
Scope is at 150-190 DEG C；
Laminating:
Pure PET is pasted, at UV hardened layer laminating PE or PET glue protecting film on laminating layer of silica gel；
Rolling is finished product filter blue light screen protecting film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409082.0A CN103448312B (en) | 2013-09-10 | 2013-09-10 | Screen protecting film that may filter that blue light and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409082.0A CN103448312B (en) | 2013-09-10 | 2013-09-10 | Screen protecting film that may filter that blue light and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448312A CN103448312A (en) | 2013-12-18 |
| CN103448312B true CN103448312B (en) | 2016-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310409082.0A Active CN103448312B (en) | 2013-09-10 | 2013-09-10 | Screen protecting film that may filter that blue light and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103448312B (en) |
Cited By (1)
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| US11810532B2 (en) | 2018-11-28 | 2023-11-07 | Eyesafe Inc. | Systems for monitoring and regulating harmful blue light exposure from digital devices |
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| CN103448312A (en) | 2013-12-18 |
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