Coated glass lens of sunglasses and preparation method thereof
阅读说明：本技术 一种太阳镜镀膜玻璃镜片及其制备方法 (Coated glass lens of sunglasses and preparation method thereof ) 是由 张卫良 杨柳 寸力宏 陈文启 于 2020-07-15 设计创作，主要内容包括：本发明公开了一种太阳镜镀膜玻璃镜片及其制备方法。本发明的太阳镜镀膜玻璃镜片以平面的白片玻璃作为基材,厚度薄,质地可靠,镜片装框后不会变形,不会改变镜片的屈光度,并避免了树脂镜片日久发黄及光学特性改变的问题；同时,以平面的白片玻璃作为基材,通透性佳,色彩还原性好。而且,高温镀膜形成的镀膜层稳定,可耐受高温而不易发生龟裂等改变。从而,具有良好的配戴感官舒适性,有效保护眼睛。此外,该太阳镜镀膜玻璃镜片以平面的白片玻璃作为基材,并在镜片的外表面镀膜有防指纹镀膜,能有效提高镜片的耐磨性,防刮、防水、防尘,使用寿命长。本发明的制备方法以白片玻璃为基材,可制得镀膜稳定、光学效果优异的太阳镜镀膜玻璃镜片。(The invention discloses a coated glass lens of sunglasses and a preparation method thereof. The coated glass lens of the sunglasses takes the plane white glass as the base material, has thin thickness and reliable texture, can not deform after being framed, can not change the diopter of the lens, and avoids the problems of yellowing of the resin lens for a long time and change of optical characteristics; meanwhile, the white glass sheet is used as a base material, so that the permeability is good, and the color reducibility is good. Moreover, a coating layer formed by high-temperature coating is stable and can resist high temperature and is not easy to change such as cracking. Therefore, the eye-protection mask has good wearing sense organ comfort and effectively protects eyes. In addition, the coated glass lens of the sunglasses takes the plane white glass as a base material, and the anti-fingerprint coating is coated on the outer surface of the lens, so that the wear resistance of the lens can be effectively improved, and the coated glass lens is scratch-resistant, waterproof, dustproof and long in service life. The preparation method of the invention uses the white glass as the substrate, and can prepare the sunglasses coated glass lens with stable coating and excellent optical effect.)
1. A preparation method of a coated glass lens of sunglasses is characterized by comprising the following steps:
s1, cutting white glass, and polishing the two sides and the vertical edges of the white glass; the transmittance of the white glass sheet in the wavelength range of 400-700 nm under an incident beam of 0 degree is 91-92%;
s2, putting the polished white glass into a cleaning machine, and sequentially cleaning for 3-8 minutes by using strong alkali with the pH value of 11 and 3-8 minutes by using weak alkali with the pH value of 8; then the cleaned white glass is placed in a dust-free drying oven to be dried;
s3, taking out the white glass and placing the white glass in a vacuum coating device; at 1.3X 10-3Evaporating a gradually changed attenuation film layer on the surface of one side of the white glass sheet under the conditions of Pa and 250 ℃, drying and cooling;
s4, cooling, and coating on the attenuation film layer of the white glass sheet at 1.3 × 10-3Evaporating a non-gradual change anti-fingerprint film layer under the conditions of Pa and 120 ℃, drying and cooling;
s5, turning the cooled white glass sheet in a vacuum coating device at 1.3X 10-3Evaporating a non-gradual change ultraviolet cut-off film layer on the surface of the other side of the white glass under the conditions of Pa and 250 ℃, drying and cooling;
s6, cooling, and coating on the UV-cut film layer of the white glass sheet at a temperature of 1.3 × 10-3And (3) evaporating a non-gradual change anti-fingerprint film layer at the temperature of Pa and 120 ℃, drying and cooling to obtain the coated glass lens of the sunglasses.
2. The method of claim 1, wherein in S2, the strong base with pH 11 is NaOH solution with concentration 10^ (-3) mol/L; the weak base with the pH value of 8 is NaOH solution with the concentration of 10 < -6 > mol/L.
3. The method of claim 1, wherein the vacuum coating apparatus comprises a coating chamber, a coating umbrella disk and a gradual coating fixture;
the bottom of the coating chamber is provided with at least two evaporation sources; the coating umbrella disc is buckled at the top of the coating chamber; lens placing holes are formed in the bottom of the film-coated umbrella disc along the circumference; the gradual-change coating jig is an integral disc-shaped jig matched with the inner side of the coating chamber, is arranged at the top of the coating chamber and is positioned below the coating umbrella disc; the middle part of the gradual-change coating jig is provided with a through hole, and the edge of the through hole is provided with a saw-toothed structure;
and a correction plate is arranged in the coating chamber and between the gradual change coating jig and the evaporation source.
4. The method according to claim 3, wherein the sawtooth structure is a triangular sawtooth structure; and the length of the triangular sawtooth-shaped structure is 10-150 mm, and the width is 10-150 mm.
5. The method of claim 1, wherein the attenuating layer is Al2O3The film layers and the Ti film layers are alternately laminated; and said Al2O3The total number of the film layer and the Ti film layer is 10-12.
6. The method of claim 5, wherein the Al is selected from the group consisting of Al, Cu, Ni, Cu, Ni, Cu2O3The film layers and the Ti film layers are alternately laminated, the total number of the film layers is 10, and the thickness of each film layer is as follows: al (Al)2O3Film layer 15.00nm/Ti film layer 3.00nm/Al2O3Film 62.19nm/Ti film 7.54nm/Al2O3Film 72.27nm/Ti film 4.96nm/Al2O3Film 63.59nm/Ti film 7.29nm/Al2O3The film layer is 54.63nm/Ti film layer is 15.00 nm.
7. The method of claim 1, wherein the UV-cut film layer is Ti3O5Film layer and SiO2The film layers are alternately laminated; and said Ti3O5Film layer and SiO2The total number of the film layers is 24-26.
8. The method of claim 7, wherein the Ti is selected from the group consisting of Ti3O5Film layer and SiO2The membrane layers were alternately laminated for a total of 26 layers, and each membrane layer had a thickness of: ti3O5Film layer 11.06nm/SiO2Film layer 57.12nm/Ti3O5Film layer 31.13nm/SiO2Film layer 44.27nm/Ti3O5Film layer 37.98nm/SiO2Film 56.30nm/Ti3O5Film layer 29.29nm/SiO2Film layer 63.41nm/Ti3O5Film layer 34.73nm/SiO2Film layer 53.03nm/Ti3O5Film layer 34.63nm/SiO2Film layer 64.03nm/Ti3O5Film layer 31.10nm/SiO2Film layer 56.89nm/Ti3O5Film layer 37.51nm/SiO2Film layer 57.72nm/Ti3O5Film layer 30.41nm/SiO2Film layer 56.69nm/Ti3O5Film layer 45.68nm/SiO2Film layer 19.61nm/Ti3O5Film layer 71.86nm/SiO2Film layer 34.91nm/Ti3O5Film layer 34.74nm/SiO2Film layer 38.72nm/Ti3O5Film layer 131.94nm/SiO292.96nm。
9. The method for preparing a coated glass lens for sunglasses according to claim 1, wherein the anti-fingerprint film layer is a perfluoropolyether film layer with a thickness of 5-20 nm.
10. A coated glass lens for sunglasses, characterized by being produced by the production method according to any one of claims 1 to 9.
Technical Field
The invention relates to the technical field of sunglass lenses, in particular to a sunglass coated glass lens and a preparation method thereof.
Background
In the sunlight, the human eye usually adjusts the light flux by adjusting the pupil size, and when the light intensity exceeds the adjusting capacity of the human eye, the human eye is injured. Therefore, in outdoor activity, especially in summer, sunglasses are required to block sunlight to reduce fatigue caused by eye accommodation or damage caused by strong light stimulation.
The lens material of the sunglasses product of the overwhelming majority on the current market all uses resin material, and resin material's basement is soft, and the rete is cracked easily behind the surface coating, does not tolerate high temperature, and dress frame back lens is out of shape easily, leads to diopter to change, and the travelling comfort when the influence is worn can have certain harm to the eyesight simultaneously. Moreover, the lens made of the resin material is soft and not wear-resistant, has poor scratch resistance and can influence the service life.
In addition, the resin material lens has high transmittance of red light wave band, poor color reducibility and poor visual effect. Meanwhile, the overall permeability of the sunglasses made of the resin material is poor, and the visual effect is poorer when the sunglasses are worn.
Disclosure of Invention
The invention aims to provide a coated glass lens of sunglasses aiming at the defects in the prior art. The sunglass coated glass lens takes the planar white glass as a base material, has the advantages of thin thickness, reliable texture, stable coating, high temperature resistance, good color reducibility, good permeability, excellent optical effect, good wearing sense organ comfort and long service life.
The invention also aims to provide a method for preparing the coated glass lens of the sunglasses. The method takes the white glass as the substrate, and can prepare the coated glass lens of the sunglasses with stable coating and excellent optical effect.
The purpose of the invention is realized by the following technical scheme.
A method for preparing a coated glass lens of sunglasses comprises the following steps:
s1, cutting white glass, and polishing the two sides and the vertical edges of the white glass;
s2, putting the polished white glass into a cleaning machine, and sequentially cleaning for 3-8 minutes by using strong alkali with the pH value of 11 and 3-8 minutes by using weak alkali with the pH value of 8; then the cleaned white glass is placed in a dust-free drying oven to be dried;
s3, taking out the white glass and placing the white glass in a vacuum coating device; at 1.3X 10-3Evaporating a gradually changed attenuation film layer on the surface of one side of the white glass sheet under the conditions of Pa and 250 ℃, drying and cooling;
s4, cooling, and coating on the attenuation film layer of the white glass sheet at 1.3 × 10-3Evaporating a non-gradual change anti-fingerprint film layer under the conditions of Pa and 120 ℃, drying and cooling;
s5, turning the cooled white glass sheet in a vacuum coating device at 1.3X 10-3Evaporating a gradually changed ultraviolet cut-off film layer on the surface of the other side of the white glass under the conditions of Pa and 250 ℃, drying and cooling;
s6, cooling, and coating on the UV-cut film layer of the white glass sheet at a temperature of 1.3 × 10-3And (3) evaporating a non-gradual change anti-fingerprint film layer at the temperature of Pa and 120 ℃, drying and cooling to obtain the coated glass lens of the sunglasses.
In a preferred embodiment, the thickness of the white glass substrate is 1.4-1.6 mm.
In a preferred embodiment, the white glass sheet has a transmittance of 91 to 92% in a wavelength range of 400 to 700nm with an incident beam of 0 °.
In a preferred embodiment, the strong base with pH 11 in S2 is NaOH solution with concentration of 10^ (-3) mol/L.
In a preferred embodiment, the weak base with pH 8 in S2 is NaOH solution with concentration of 10^ (-6) mol/L.
In a preferred embodiment, the vacuum coating device comprises a coating chamber, a coating umbrella disc and a gradual coating jig;
the bottom of the coating chamber is provided with at least two evaporation sources; the coating umbrella disc is buckled at the top of the coating chamber; lens placing holes are formed in the bottom of the film-coated umbrella disc along the circumference; the gradual-change coating jig is an integral disc-shaped jig matched with the inner side of the coating chamber, is arranged at the top of the coating chamber and is positioned below the coating umbrella disc; the middle part of the gradual-change coating jig is provided with a through hole, and the edge of the through hole is provided with a saw-toothed structure;
and a correction plate is arranged in the coating chamber and between the gradual change coating jig and the evaporation source.
In a preferred embodiment, the saw-tooth like structure is a triangular saw-tooth like structure. The coating material is linearly transited and shielded by the triangular saw-toothed structure at the edge of the through hole of the coating jig, so that the evaporated film layer has a linear gradual change effect, and the optical effect of the lens is better.
More preferably, the length of the triangular sawtooth-shaped structure is 10-150 mm, and the width of the triangular sawtooth-shaped structure is 10-150 mm.
In a preferred embodiment, the attenuation film layer is Al2O3And the film layers and the Ti film layers are alternately laminated.
More preferably, the Al is2O3The total number of the film layer and the Ti film layer is 10-12.
In a more preferred embodiment, the Al2O3The film layers and the Ti film layers are alternately laminated, the total number of the film layers is 10, and the thickness of each film layer is as follows: al (Al)2O3Film layer 15.00nm/Ti film layer 3.00nm/Al2O3Film 62.19nm/Ti film 7.54nm/Al2O3Film 72.27nm/Ti film 4.96nm/Al2O3Film 63.59nm/Ti film 7.29nm/Al2O3The film layer is 54.63nm/Ti film layer is 15.00 nm.
In a preferred embodiment, the ultraviolet cut film layer is Ti3O5Film layer and SiO2The film layers are alternately laminated.
More preferably, the Ti is3O5Film layer and SiO2The total number of the film layers is 24-26.
In a more preferred embodiment, the Ti3O5Film layer and SiO2The membrane layers were alternately laminated for a total of 26 layers, and each membrane layer had a thickness of: ti3O5Film layer 11.06nm/SiO2Film layer 57.12nm/Ti3O5Film layer 31.13nm/SiO2Film layer 44.27nm/Ti3O5Film layer 37.98nm/SiO2Film 56.30nm/Ti3O5Film layer 29.29nm/SiO2Film layer 63.41nm/Ti3O5Film layer 34.73nm/SiO2Film layer 53.03nm/Ti3O5Film layer 34.63nm/SiO2Film layer 64.03nm/Ti3O5Film layer 31.10nm/SiO2Film layer 56.89nm/Ti3O5Film layer 37.51nm/SiO2Film layer 57.72nm/Ti3O5Film layer 30.41nm/SiO2Film layer 56.69nm/Ti3O5Film layer 45.68nm/SiO2Film layer 19.61nm/Ti3O5Film layer 71.86nm/SiO2Film layer 34.91nm/Ti3O5Film layer 34.74nm/SiO2Film layer 38.72nm/Ti3O5Film layer 131.94nm/SiO292.96nm。
In a preferred embodiment, the anti-fingerprint film layer is a perfluoropolyether film layer, and the thickness of the anti-fingerprint film layer is 5-20 nm.
A sunglass coated glass lens is prepared based on any one of the preparation methods.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the coated glass lens of the sunglasses takes the plane white glass as the base material, has thin thickness and reliable texture, can not deform after being framed, can not change the diopter of the lens, and avoids the problems of yellowing of the resin lens for a long time and change of optical characteristics; meanwhile, the white glass sheet is used as a base material, so that the permeability is good, and the color reducibility is good. Furthermore, the flat white glass sheet is used as a substrate, and a coating layer formed by high-temperature coating is stable and can resist high temperature and is not easy to change such as cracks. Therefore, the eye-protection mask has good wearing sense organ comfort and effectively protects eyes.
In addition, the coated glass lens of the sunglasses takes the plane white glass as a base material, and the anti-fingerprint coating is coated on the outer surface of the lens, so that the wear resistance of the lens can be effectively improved, and the coated glass lens is scratch-resistant, waterproof, dustproof and long in service life.
The preparation method of the invention takes the white glass as the substrate, and the coating process is accurately controlled, so that the sunglasses coated glass lens with stable coating and excellent optical effect can be prepared.
Drawings
FIG. 1 is a flow chart of the present invention for preparing a coated glass lens for sunglasses according to an embodiment of the present invention;
FIG. 2 is a schematic perspective sectional view of a vacuum coating apparatus used in an exemplary embodiment;
FIG. 3 is a schematic top view of a film-coated umbrella plate;
FIG. 4 is a schematic top view of a gradual-change coating jig;
the attached drawings are marked as follows: 1-coating chamber, 2-coating umbrella disc, 201-lens placing hole, 3-gradual-change coating jig, 301-through hole, 302-sawtooth structure, 4-evaporation source and 5-correction plate.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope and implementation of the present invention are not limited thereto. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Also, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the description of the specific embodiments, the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the related products of the invention are used, and are used for distinguishing the description, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the structures or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be construed as limiting the invention, and are not necessarily indicative or implied of relative importance.
The sunglass coated glass lens provided by the embodiment of the invention is prepared by adopting the method flow shown in figure 1, and comprises the following specific steps:
s1, cutting white glass, and polishing the two sides and the vertical edges of the white glass; the transmittance of the white glass sheet in the wavelength range of 400-700 nm under an incident beam of 0 degree is 91-92%;
s2, putting the polished white glass into a cleaning machine, and sequentially cleaning for 3-8 minutes by using strong alkali with the pH value of 11 and 3-8 minutes by using weak alkali with the pH value of 8; then the cleaned white glass is placed in a dust-free drying oven to be dried;
preferably, the strong base with the pH value of 11 is NaOH solution with the concentration of 10 < - > Lambda > (3); the weak base with the pH value of 8 is a NaOH solution with the concentration of 10 < -6 > mol/L;
s3, taking out the white glass and placing the white glass in a vacuum coating device; at 1.3X 10-3Evaporating a gradually changed attenuation film layer on the surface of one side of the white glass sheet under the conditions of Pa and 250 ℃, drying and cooling;
in a preferred embodiment, the attenuation film layer is Al2O3The film layers and the Ti film layers are alternately laminated; and said Al2O3The total number of the film layer and the Ti film layer is 10-12.
S4, cooling, and coating on the attenuation film layer of the white glass sheet at 1.3 × 10-3Vapor plating is carried out on the alloy at Pa and 120 ℃ in a non-gradual change wayDrying and cooling the anti-fingerprint film layer;
in a preferred embodiment, the anti-fingerprint film layer is a perfluoropolyether film layer, and the thickness of the anti-fingerprint film layer is 5-20 nm.
S5, turning the cooled white glass sheet in a vacuum coating device at 1.3X 10-3Evaporating a gradually changed ultraviolet cut-off film layer on the surface of the other side of the white glass under the conditions of Pa and 250 ℃, drying and cooling;
in a preferred embodiment, the ultraviolet cut film layer is Ti3O5Film layer and SiO2The film layers are alternately laminated; and said Ti3O5Film layer and SiO2The total number of the film layers is 24-26.
S6, cooling, and coating on the UV-cut film layer of the white glass sheet at a temperature of 1.3 × 10-3And (3) evaporating a non-gradual change anti-fingerprint film layer at the temperature of Pa and 120 ℃, drying and cooling to obtain the coated glass lens of the sunglasses.
In a preferred embodiment, the anti-fingerprint film layer is a perfluoropolyether film layer, and the thickness of the anti-fingerprint film layer is 5-20 nm.
In an alternative embodiment, a vacuum coating device is adopted as shown in fig. 2, and the vacuum coating device comprises a
Wherein, the bottom of the
When the vacuum coating device is used for evaporating a coating layer, the lens is placed on the
In a preferred embodiment, the saw-tooth like structure is a triangular saw-tooth like structure. The triangular sawtooth structure has more excellent gradual change property, the gradual change process is more moderate, and the gradual change effect of the film layer of the coating film is better. More preferably, the triangular saw-toothed structure has a length of 10 to 150mm and a width of 10 to 150 mm.
The technical solution of the present invention is further described in detail with reference to the following specific examples.
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