CN110716325A - Preparation method of blue-light-proof lens with color fidelity - Google Patents
Preparation method of blue-light-proof lens with color fidelity Download PDFInfo
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- CN110716325A CN110716325A CN201910829646.3A CN201910829646A CN110716325A CN 110716325 A CN110716325 A CN 110716325A CN 201910829646 A CN201910829646 A CN 201910829646A CN 110716325 A CN110716325 A CN 110716325A
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- toner
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- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000009757 thermoplastic moulding Methods 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 3
- 238000002834 transmittance Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000003856 thermoforming Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000411 transmission spectrum Methods 0.000 abstract description 4
- 210000000695 crystalline len Anatomy 0.000 description 23
- 230000006378 damage Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 208000002780 macular degeneration Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/206—Filters comprising particles embedded in a solid matrix
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Optical Filters (AREA)
Abstract
The invention relates to a preparation method of a blue-light-proof lens with color fidelity, which comprises the following steps: (1) weighing the following raw materials in parts by weight: 3000 portions of base material 1000-; (2) uniformly mixing the raw materials; (3) and (3) performing thermoplastic molding on the mixed material obtained in the step (2) to obtain a finished product. The product of the invention effectively filters blue light, and the color coordinate of the transmission spectrum in the visible light wave band of 400nm-760nm is close to the color coordinate value of the central white point, so that the blue light prevention lens has the effect of color fidelity.
Description
Technical Field
The invention relates to the field of protective lenses, in particular to a preparation method of a blue-light-proof lens which has a blue-light-proof function and can realize color fidelity.
Background
Blue light is a part of natural visible light, and both sunlight and electronic screens emit blue light. Blue light is an important component of visible light, natural world does not have independent white light, and the blue light, green light and red light are mixed to form white light. The green light and the red light have small energy, small stimulation to eyes, short blue light wave and high energy, and can directly penetrate through crystalline lens to directly reach the macular area of the eyes, thereby causing macular degeneration.
With the common application of 3C products, the lower head family is more and more, the blue light of the 3C products can cause serious harm to eyes of people, and people suffering from eye diseases such as macula lutea and degeneration are more and more, so that the prevention of blue light injury becomes a consensus of people.
Prevent that blue light glasses can effectively reduce the lasting injury of blue light to eyes, through portable spectral analysis appearance contrast detection, use and prevent behind the blue light glasses, the blue light intensity that the cell-phone screen sent has obtained effective suppression, has reduced the injury of harmful blue light to eyes.
However, in the commercially available blue-light-proof glasses, harmful blue light is filtered in a blue light region with a short wavelength, and according to the complementary color principle, the lenses are slightly yellow visually, and an image displayed through the blue-light lenses is often yellow, which has a great adverse effect on the visual effect of the image, for example: the white pattern can become faint yellow or yellow after penetrating through the blue-light-proof lens, thereby influencing the visual experience and being unfriendly to a family driving.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation method of a blue-light-proof lens with color fidelity.
The specific scheme is as follows:
the invention provides a preparation method of a blue-light-proof lens with color fidelity, which comprises the following steps:
(1) weighing the following raw materials in parts by weight: 3000 portions of base material 1000-;
(2) uniformly mixing the raw materials;
(3) and (3) performing thermoplastic molding on the mixed material obtained in the step (2) to obtain a finished product.
Further, the thermoplastic molding in the step (3) is thermoplastic molding by using an extruder.
Further, the extruder is a phi 40 extruder.
Further, the thermoplastic molding process comprises the following steps:
(1) preheating a screw of an extruder, and starting cold water circulation: setting the oil temperature to be 37.9 ℃ and the running time to be 37.8 s;
(2) feeding, setting a plasticizing temperature of 265-290 ℃;
(3) injection molding: run time 4.57 s.
Further, the weight parts of the raw materials are as follows: 2000 parts of base material, 0.26 part of yellow toner, 0.132 part of orange toner, 0.083 part of red toner and 0.249 part of purple toner.
Further, the yellow toner is a meta-and chemical yellow 3G toner.
Further, the orange toner is meta-and chemical 8150 toner.
Further, the red toner is meta-and chemical 8315 toner.
Further, the purple toner is a toner of Sutaib 202.
Further, the substrate is a polycarbonate substrate;
the light transmittance of the polycarbonate substrate reaches more than 90%.
Has the advantages that:
the product prepared by the invention effectively filters blue light, and the color coordinate of the transmission spectrum in the visible light wave band of 400nm-760nm is close to the color coordinate value of the central white point, so that the blue light prevention lens has the effect of color fidelity.
Drawings
FIG. 1 shows the transmittance of blue light in each wavelength for the blue-blocking lens of example 2, wherein the X-axis is the wavelength and the Y-axis is the transmittance;
fig. 2 shows the color coordinates of the blue-blocking lens of example 2.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and the examples of the embodiments are intended to explain the present invention and are not to be construed as limiting the present invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
Example 1:
TABLE 1 EXAMPLES 1-3 raw material weight component tables (unit: parts) of color fidelity blue blocking lenses
| Example 1 | Example 2 | Example 3 | |
| Base material | 1000 | 2000 | 3000 |
| Yellow toner | 0.15 | 0.26 | 0.45 |
| Orange toner | 0.05 | 0.132 | 0.3 |
| Red toner | 0.01 | 0.083 | 0.1 |
| Purple toner | 0.2 | 0.249 | 0.4 |
The raw materials are weighed according to the weight components in the table 1, and are uniformly mixed and subjected to thermoplastic molding by an extruder to obtain the blue-light-proof lens with the color fidelity of the embodiment 1-3.
The raw materials of the invention are preferably as follows: the yellow toner is primary and chemical yellow 3G toner, the orange toner is primary and chemical 8150 toner, the red toner is primary and chemical 8315 toner, the purple toner is addex B202 toner, the base material is a polycarbonate base material, and the light transmittance of the polycarbonate base material reaches more than 90%.
In addition, the extruder adopted by the invention is a phi 40 extruder, namely an extruder with a screw diameter of 40mm, and the thermoplastic molding process comprises the following steps:
(1) preheating a screw of an extruder, and starting cold water circulation: setting the oil temperature to be 37.9 ℃ and the running time to be 37.8 s;
(2) feeding, and setting a plasticizing temperature of 265 ℃;
(3) injection molding: run time 4.57 s.
Example 2:
example 2 was prepared similarly to example 1 except that example 2 had a plasticizing temperature of 280 ℃.
Example 3:
example 3 was prepared similarly to example 1 except that example 3 had a plasticizing temperature of 290 ℃.
In the finished product prepared by the invention, the optical center thickness of the blue light prevention lens in the embodiment 1 is 1.5mm, the optical center thickness of the blue light prevention lens in the embodiment 2 is 2.0mm, and the optical center thickness of the blue light prevention lens in the embodiment 3 is 2.5 mm.
And (3) performance testing: the performance tests were performed on the blue-blocking lenses prepared in examples 1-3.
Performance test standard:
according to the standards of various countries/regions for sunglasses: the blue-light-proof lens prepared by the invention is subjected to the following performance tests in China industry standard QB 2457-1999, European Standard ENISO 12312-1:2013 (A1: 2015), Australia Standard AS/NZS 1067:2003 (A1: 2009) and Australia Standard AS/NZS 1067.1:2016, wherein the test standards are shown in Table 2:
TABLE 2 Sunglasses Performance Standard List
Results of performance testing of blue-blocking lenses prepared in examples 1-3:
1. corresponding visual attenuation coefficient of signal lamp identification
The corresponding visual attenuation coefficients recognized by the signal lamp of the invention are as follows: q, Red (Red light) is larger than or equal to 2.25, Q, Yellow (Yellow light) is larger than or equal to 0.79, Q, Green (Green light) is larger than or equal to 0.98, Q, Blue (Blue light) is larger than or equal to 0.70, and the standard of various countries for the sunglasses is met.
2. Referring to fig. 1, the light transmittance of each wavelength of the blue-light-proof lens in example 2 is:
the transmittance of the red light wave band of 620nm-760nm is 70.158%
The transmittance in the orange band of 592-620 nm is 12.57075%
The transmittance of the yellow light wave band of 578-592 nm is 8.9585%
The transmittance of the material in the green light wave band of 500nm-578nm is 10.27011%
The transmittance of the blue light wave band of 464nm-500nm is 9.7716%
The transmittance in the blue light wave band of 446nm-464nm is 4.874%
The transmittance in the purple light wave band of 400nm-446nm is 1.75%.
3. Referring to fig. 2, the overall transmission spectrum of the blue blocking lens of example 2 has color coordinates (0.419, 0.395).
The color coordinates of the central white point of D65 are (0.333 ), the color coordinates of the transmission spectrum of the product in the visible light wave band of 400nm-760nm are close to the color coordinates of the central white point, and the test results show that the blue light prevention lens has the effect of color fidelity.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A preparation method of a blue light prevention lens with color fidelity is characterized by comprising the following steps:
(1) weighing the following raw materials in parts by weight: 3000 portions of base material 1000-;
(2) uniformly mixing the raw materials;
(3) and (3) performing thermoplastic molding on the mixed material obtained in the step (2) to obtain a finished product.
2. The method for preparing a blue-light blocking lens with color fidelity according to claim 1, wherein the thermoplastic molding in step (3) is thermoplastic molding by an extruder.
3. The method of claim 2, wherein the extruder is a Φ 40 extruder.
4. The method of manufacturing a color-preserving blue-blocking lens according to claim 2, wherein the thermoforming process is:
(1) preheating a screw of an extruder, and starting cold water circulation: setting the oil temperature to be 37.9 ℃ and the running time to be 37.8 s;
(2) feeding, setting a plasticizing temperature of 265-290 ℃;
(3) injection molding: run time 4.57 s.
5. The method for preparing the blue-light-proof lens with the fidelity color as claimed in claim 1, wherein the weight parts of the raw materials are as follows: 2000 parts of base material, 0.26 part of yellow toner, 0.132 part of orange toner, 0.083 part of red toner and 0.249 part of purple toner.
6. The method of making a color-preserving blue-blocking lens according to claim 1, wherein the yellow toner is a meta-and chemical yellow 3G toner.
7. The method of making a blue-blocking lens for color fidelity of claim 1, wherein the orange toner is meta-and chemical 8150 toner.
8. The method of claim 1, wherein the red toner is meta-and chemical 8315 toner.
9. The method of claim 1, wherein the purple toner is a toner plus terab 202 toner.
10. The method of claim 1, wherein the substrate is a polycarbonate substrate;
the light transmittance of the polycarbonate substrate reaches more than 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829646.3A CN110716325A (en) | 2019-09-03 | 2019-09-03 | Preparation method of blue-light-proof lens with color fidelity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829646.3A CN110716325A (en) | 2019-09-03 | 2019-09-03 | Preparation method of blue-light-proof lens with color fidelity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110716325A true CN110716325A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910829646.3A Pending CN110716325A (en) | 2019-09-03 | 2019-09-03 | Preparation method of blue-light-proof lens with color fidelity |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060033851A1 (en) * | 2004-03-25 | 2006-02-16 | Giuseppe Iori | Polarized optical elements enhancing color contrast and methods for their manufacture |
| CN104181703A (en) * | 2014-09-10 | 2014-12-03 | 季叶俊 | Method for manufacturing blue light prevention eye shield |
| CN105365173A (en) * | 2015-12-11 | 2016-03-02 | 滁州市博康模具塑料有限公司 | Quick thermoplastic forming process |
| CN105722920A (en) * | 2013-11-18 | 2016-06-29 | 理研科技株式会社 | Blue light-blocking resin composition |
| CN106366608A (en) * | 2016-08-29 | 2017-02-01 | 苏州奥美材料科技有限公司 | Anti-blue light polycarbonate film and preparation method thereof |
| CN107418114A (en) * | 2015-10-22 | 2017-12-01 | 袁敏华 | The optical protective material of antiultraviolet and blue light |
| CN108351536A (en) * | 2015-11-06 | 2018-07-31 | 依视路国际公司 | It is protected from the optical goods of blue light and ultraviolet light |
| CN109878013A (en) * | 2019-01-25 | 2019-06-14 | 艾普偏光科技(厦门)有限公司 | The production method for filtering out protection glass is projected in UV420 mixing |
-
2019
- 2019-09-03 CN CN201910829646.3A patent/CN110716325A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060033851A1 (en) * | 2004-03-25 | 2006-02-16 | Giuseppe Iori | Polarized optical elements enhancing color contrast and methods for their manufacture |
| CN105722920A (en) * | 2013-11-18 | 2016-06-29 | 理研科技株式会社 | Blue light-blocking resin composition |
| CN104181703A (en) * | 2014-09-10 | 2014-12-03 | 季叶俊 | Method for manufacturing blue light prevention eye shield |
| CN107418114A (en) * | 2015-10-22 | 2017-12-01 | 袁敏华 | The optical protective material of antiultraviolet and blue light |
| CN108351536A (en) * | 2015-11-06 | 2018-07-31 | 依视路国际公司 | It is protected from the optical goods of blue light and ultraviolet light |
| CN105365173A (en) * | 2015-12-11 | 2016-03-02 | 滁州市博康模具塑料有限公司 | Quick thermoplastic forming process |
| CN106366608A (en) * | 2016-08-29 | 2017-02-01 | 苏州奥美材料科技有限公司 | Anti-blue light polycarbonate film and preparation method thereof |
| CN109878013A (en) * | 2019-01-25 | 2019-06-14 | 艾普偏光科技(厦门)有限公司 | The production method for filtering out protection glass is projected in UV420 mixing |
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Application publication date: 20200121 |