CN117089185A - Method for preparing resin lens - Google Patents
Method for preparing resin lens Download PDFInfo
- Publication number
- CN117089185A CN117089185A CN202210507373.2A CN202210507373A CN117089185A CN 117089185 A CN117089185 A CN 117089185A CN 202210507373 A CN202210507373 A CN 202210507373A CN 117089185 A CN117089185 A CN 117089185A
- Authority
- CN
- China
- Prior art keywords
- lens
- resin lens
- absorbent
- toner
- blue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 title claims abstract description 38
- 229920005989 resin Polymers 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 11
- 230000002745 absorbent Effects 0.000 claims abstract description 18
- 239000002250 absorbent Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 11
- 235000005811 Viola adunca Nutrition 0.000 claims description 8
- 240000009038 Viola odorata Species 0.000 claims description 8
- 235000013487 Viola odorata Nutrition 0.000 claims description 8
- 235000002254 Viola papilionacea Nutrition 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 5
- 239000003599 detergent Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 description 16
- 210000001525 retina Anatomy 0.000 description 3
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 2
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 2
- 208000035719 Maculopathy Diseases 0.000 description 2
- 244000038561 Modiola caroliniana Species 0.000 description 2
- 235000010703 Modiola caroliniana Nutrition 0.000 description 2
- 230000030833 cell death Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 208000002780 macular degeneration Diseases 0.000 description 2
- 210000000844 retinal pigment epithelial cell Anatomy 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 244000172533 Viola sororia Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to a preparation method of resin lenses, which comprises the steps of firstly drying PC plastic particles, adding an ultraviolet absorbent, a blue light absorbent, bluish violet toner and purplish red toner into the dried plastic particles, and uniformly stirring, wherein the addition amount of each component is that 0.38g of the ultraviolet absorbent, 1.45g of the blue light absorbent, 0.035g of the bluish violet toner and 0.02g of the purplish red toner are added into each 10kg of PC plastic particles, then an injection molding machine is added to inject and mold a lens primary blank, finally, the surface of the lens primary blank is cleaned, hardened and dried to obtain a resin lens with a whiter color, the obtained resin lens has the effect of blocking partial ultraviolet light and blue light, in addition, the color of a resin lens finished product is whiter, the light yellow tone is formed, and the visual effect is closer to the real color of a scene during wearing.
Description
Technical Field
The invention relates to a preparation method of a resin lens, in particular to a preparation method of a resin lens which is white in color and has ultraviolet light and blue light blocking effects after molding.
Background
Ultraviolet light with a wavelength below 290nm is mostly blocked by the ozone layer, while most of ultraviolet light B (280-315 nm) and ultraviolet light A (315-400 nm) are blocked by the crystal (yellowish), but a very small amount of ultraviolet light A, B reaches the retina and causes damage to the eye, such as retinal pigment epithelial cell death and maculopathy; in addition, although the lens absorbs part of the blue light in the visible light, a large amount of blue light still reaches the retina, and in particular, blue light having a wavelength of 415 to 445nm in the visible light is a main cause of damage to the retina of the eye, which may cause retinal pigment epithelial cell death and maculopathy.
Disclosure of Invention
The invention mainly aims to provide a preparation method of a resin lens, which is characterized in that an ultraviolet absorber, a blue light absorber, blue-violet toner and purple-red toner are added into PC plastic particles which are main components of the resin lens, so that the formed lens can block part of ultraviolet light and blue light, and the whole lens presents white and clear color.
The aim and the effect of the invention are realized by the following technologies:
a method for preparing a resin lens, comprising the steps of:
step 1: drying the PC plastic particles at 115 ℃ for 2 hours;
step 2: adding an ultraviolet absorbent, a blue light absorbent, blue-violet toner and purple toner into the dried PC plastic particles; wherein, the addition amount of each component is that each 10kg of PC plastic particles is added with 0.38g of ultraviolet absorbent, 1.45g of blue absorbent, 0.035g of blue-violet toner and 0.02g of mauve toner, and each component is stirred uniformly to form injection molding raw materials;
step 3: adding injection molding raw materials into an injection molding machine to perform injection molding on a lens primary blank;
step 4: cleaning the surface of the lens primary blank;
step 5: performing surface hardening treatment on the lens blank after the cleaning process is completed;
step 6: further drying the lens primary blank subjected to surface hardening treatment;
step 7: the resin lens which can block part of ultraviolet light, blue light and has whiter color can be obtained after the primary lens blank is dried; wherein, the resin lens has a transmittance of 80.82% for light in 475nm-650nm wave band, a transmittance of 0% for light in 280nm-315nm wave band, a transmittance of 0% for light in 315nm-380nm wave band, and a transmittance of 65.86% for light in 380nm-500nm wave band.
The method for producing a resin lens as described above, wherein the surface cleaning in step 4 is performed by alternately cleaning with pure water to which a detergent is added and pure water in order by ultrasonic vibration, and the temperature is set at 45 to 68 ℃.
The preparation method of the resin lens comprises the following steps of leaching the primary lens blank in a strengthening liquid in the hardening treatment step 5, wherein the liquid temperature of the strengthening liquid is controlled to be 18-22 ℃ for 1-3 minutes, and then pre-drying is carried out at the temperature of 60-85 ℃.
The preparation method of the resin lens, wherein the drying temperature in the step 6 is 95-120 ℃.
The invention has the advantages that:
the resin lens obtained by the invention can uniformly mix the ultraviolet absorbent, the blue light absorbent, the blue-violet toner and the purple red toner with PC plastic particles through the proportion among the components and after full stirring, the average blocking rate of ultraviolet light and blue light in 380nm-500nm wave bands can reach at least 65.86 percent after the lens is molded, the purposes of ultraviolet light resistance and blue light resistance are achieved, and eyes are well protected; in addition, the addition of the bluish violet toner and the mauve toner makes the formed resin lens product have whiter color, light yellow tone is formed, and the visual effect is closer to the true color of a scene when the resin lens is worn.
Drawings
FIG. 1 is a flow chart of a method for preparing a resin lens according to the present invention;
FIG. 2 is a graph of transmittance of a resin lens of the present invention;
FIG. 3 is a color space chromaticity diagram of a resin lens of the present invention.
Detailed Description
For a more complete and clear disclosure of the present invention, and for its objects and advantages, reference should now be made to the following detailed description taken in conjunction with the accompanying drawings and figures:
fig. 1 is a flowchart of a method for preparing a resin lens according to the present invention.
The preparation method of the resin lens comprises the following steps:
step 1: drying the PC plastic particles at 115 ℃ for 2 hours;
step 2: adding an ultraviolet absorbent, a blue light absorbent, blue-violet toner and purple toner into the dried PC plastic particles, and uniformly stirring to form injection molding raw materials; wherein, the addition amount of each component is that 0.38g of ultraviolet absorbent, 1.45g of blue absorbent, 0.035g of blue-violet toner and 0.02g of purple-red toner are added into each 10kg of PC plastic particles;
step 3: adding injection molding raw materials into an injection molding machine to perform injection molding on a lens primary blank;
step 4: cleaning the surface of the lens primary blank;
step 5: performing surface hardening treatment on the lens blank after the cleaning process is completed;
step 6: further drying the lens primary blank subjected to surface hardening treatment;
step 7: the resin lens which can block part of ultraviolet light, blue light and has whiter color is obtained after the primary lens blank is dried; wherein, the resin lens has a transmittance of 80.82% for light in 475nm-650nm wave band, a transmittance of 0% for light in 280nm-315nm wave band, a transmittance of 0% for light in 315nm-380nm wave band, and a transmittance of 65.86% for light in 380nm-500nm wave band.
In a preferred embodiment of the present invention, the method for surface cleaning of the lens blank in step 4 comprises: the pure water added with the detergent and the pure water are sequentially and alternately cleaned by matching with ultrasonic vibration, and the temperature of the pure water added with the detergent and the pure water is set at 45-68 ℃.
In a preferred embodiment of the method for preparing a resin lens of the present invention, the surface hardening treatment of the lens blank in step 5 comprises: leaching the primary lens blank with strengthening liquid at 18-22 deg.c for 1-3 min, and pre-stoving at 60-85 deg.c.
In a preferred embodiment, the temperature of the step 6 of drying the resin lens is 95-120 ℃.
Table 1 below shows the transmittance of the resin lenses obtained by the preparation method of the present invention in each wavelength band, the transmittance curve of the resin lenses obtained by the present invention is shown in FIG. 2, and the color space chromaticity diagram of the resin lenses obtained by the present invention is shown in FIG. 3.
TABLE 1
As is clear from Table 1, the resin lens of the present invention has a transmittance of 80.82% for light in the 475nm to 650nm wavelength band, a transmittance of 0% for light in the 280nm to 315nm wavelength band, a transmittance of 0% for light in the 315nm to 380nm wavelength band, and a transmittance of 65.86% for light in the 380nm to 500nm wavelength band, and exhibits excellent properties for blocking ultraviolet light and blue light while maintaining good transmittance.
Claims (4)
1. A method for preparing a resin lens, comprising the steps of:
step 1: drying the PC plastic particles at 115 ℃ for 2 hours;
step 2: adding an ultraviolet absorbent, a blue light absorbent, blue-violet toner and purple toner into the dried PC plastic particles; and uniformly stirring to form injection molding raw materials; wherein, the addition amount of each component is that 0.38g of ultraviolet absorbent, 1.45g of blue absorbent, 0.035g of blue-violet toner and 0.02g of purple-red toner are added into each 10kg of PC plastic particles;
step 3: adding injection molding raw materials into an injection molding machine to perform injection molding on a lens primary blank;
step 4: cleaning the surface of the lens primary blank;
step 5: performing surface hardening treatment on the lens blank after the cleaning process is completed;
step 6: further drying the lens primary blank subjected to surface hardening treatment;
step 7: the resin lens which can block part of ultraviolet light, blue light and has whiter color is obtained after the primary lens blank is dried; wherein, the average blocking rate of the resin lens to ultraviolet light and blue light in 380nm-500nm wave band is 65.86%.
2. The method for producing a resin lens as claimed in claim 1, wherein the surface cleaning in step 4 is performed by alternately cleaning with pure water to which a detergent is added and pure water in order by ultrasonic vibration, and the temperature is set at 45 to 68 ℃.
3. The method for producing a resin lens as claimed in claim 1 or 2, wherein the hardening treatment in step 5 is to leach the lens blank with a strengthening liquid, the liquid temperature of the strengthening liquid is controlled to 18-22 ℃ for 1-3 minutes, and then pre-baking is performed at 60-85 ℃.
4. The method for producing a resin lens as claimed in claim 3, wherein the drying temperature in step 6 is 95 to 120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507373.2A CN117089185A (en) | 2022-05-11 | 2022-05-11 | Method for preparing resin lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210507373.2A CN117089185A (en) | 2022-05-11 | 2022-05-11 | Method for preparing resin lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117089185A true CN117089185A (en) | 2023-11-21 |
Family
ID=88773988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210507373.2A Pending CN117089185A (en) | 2022-05-11 | 2022-05-11 | Method for preparing resin lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117089185A (en) |
-
2022
- 2022-05-11 CN CN202210507373.2A patent/CN117089185A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |