CN114460763A - Color-changeable lens and preparation method thereof - Google Patents
Color-changeable lens and preparation method thereof Download PDFInfo
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- CN114460763A CN114460763A CN202210167939.1A CN202210167939A CN114460763A CN 114460763 A CN114460763 A CN 114460763A CN 202210167939 A CN202210167939 A CN 202210167939A CN 114460763 A CN114460763 A CN 114460763A
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- lens
- pad pasting
- adhesive film
- epoxy resin
- methanol
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention discloses a color-changeable lens which comprises a lens main body, a waterproof adhesive film, an anti-fogging adhesive film and an anti-abrasion adhesive film, wherein the outer surface of the lens main body is provided with the anti-blue-light adhesive film, the outer surface of the anti-blue-light adhesive film is provided with the waterproof adhesive film, and the outer surface of the anti-fogging adhesive film is provided with the anti-abrasion adhesive film. This changeable colour lens and preparation method use bisphenol A type epoxy to prepare episulfide resin, later mix according to certain proportion with epoxy resin with episulfide resin, later add the curing agent and carry out both sides stoving operation, the refracting index that makes the lens of making improves greatly, the surface subsides of lens prevent the blue light pad pasting, make the lens can change colour, and simultaneously, be provided with waterproof pad pasting and prevent the pad pasting that hazes, make the lens remain good field of vision throughout in the use, be provided with the abrasionproof pad pasting, make the lens can not cause the damage to lens itself in long-time use, improve the life of lens greatly.
Description
Technical Field
The invention relates to the technical field of preparation of variable color glasses, in particular to a variable color lens and a preparation method thereof.
Background
Spectacles are a combination of lenses and frames for improving vision, protecting the eyes or for decorative purposes. The glasses can correct a variety of vision problems including myopia, hyperopia, astigmatism, presbyopia, strabismus, amblyopia, and the like.
The glasses comprise lenses and a frame. The glasses include myopia glasses, hyperopia glasses, presbyopic glasses, astigmatic glasses, plain glasses, computer goggles, swimming goggles, night vision goggles, electronic competition game goggles, electronic competition goggles, sunglasses, toy glasses and sunglasses 15. There are also special glasses for watching 3D stereoscopic images or virtual real images. Other types of eyewear include goggles, sunglasses, swim glasses, etc., which provide various protective effects to the eyes. Modern spectacles are usually provided with a nose pad in the middle of the lens and soft pads at the positions where the left and right arms rest on the ears. People who love beauty or are not used to wear glasses may choose to correct their vision with contact lenses.
The optical refractive index of the lenses used in the market at present is low, and meanwhile, the colors of the existing glasses cannot be adjusted under different illumination intensities, so that a color-changeable lens and a preparation method thereof are provided, so that the problems provided in the prior art can be solved conveniently.
Disclosure of Invention
The invention aims to provide a color-changeable lens and a preparation method thereof, which are used for solving the problems that the optical refractive index of the lens used in the market at present is low and the color of the existing glasses cannot be adjusted under different illumination intensities.
In order to achieve the purpose, the invention provides the following technical scheme: the color-changeable lens comprises a lens main body, a waterproof adhesive film, an anti-fogging adhesive film and an anti-abrasion adhesive film, wherein the anti-blue-light adhesive film is arranged on the outer surface of the lens main body, the waterproof adhesive film is arranged on the outer surface of the anti-blue-light adhesive film, and the anti-abrasion adhesive film is arranged on the outer surface of the anti-fogging adhesive film.
Preferably, the material of lens main part chooses for use resin material, be fixed connection between preventing blue light pad pasting and the lens main part, be fixed connection between preventing blue light pad pasting, waterproof pad pasting, preventing the pad pasting that hazes and the abrasionproof pad pasting each other.
Preferably, the method for preparing the color-changeable lens comprises the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after the dropwise adding is finished, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer of mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, and standing at room temperature until the liquid appears light yellow crystals;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, and then transferring into an oven for secondary curing;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
Preferably, in the step (1), 5g to 25g of bisphenol A type epoxy resin and 30ml to 90ml of methanol are selected, and the temperature is kept at a constant temperature of 40 ℃ during stirring.
Preferably, the thiourea used in the step (1) is selected from 1g to 8g, the volume of the methanol is selected from 40ml to 80ml, the thiourea is dropwise added after being mixed with the methanol, the dropwise addition is completed within 25min, and then the reaction is continued for 3 hours.
Preferably, the solvent recovered under reduced pressure in the step (1) is transferred into a 30ml water-liquid funnel, anhydrous copper sulfate is added after treatment, and the mixture is placed at room temperature for 3h-5 h.
Preferably, the highest mass ratio of the episulfide resin to the epoxy resin in the step (2) is 1: 3,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:10, and the curing agent is transferred to an oven at 60 ℃ for secondary curing after being cured for 12 hours at room temperature.
Compared with the prior art, the invention has the beneficial effects that: this changeable colour lens and preparation method use bisphenol A type epoxy to prepare episulfide resin, later mix according to certain proportion with epoxy resin with episulfide resin, later add the curing agent and carry out both sides stoving operation, the refracting index that makes the lens of making improves greatly, the surface subsides of lens prevent the blue light pad pasting, make the lens can change colour, and simultaneously, be provided with waterproof pad pasting and prevent the pad pasting that hazes, make the lens remain good field of vision throughout in the use, be provided with the abrasionproof pad pasting, make the lens can not cause the damage to lens itself in long-time use, improve the life of lens greatly.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a color-changeable lens according to the present invention.
In the figure: 1. a lens body; 2. sticking a film for preventing blue light; 3. waterproof sticking films; 4. anti-fogging sticking films; 5. wear-proof adhesive film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The utility model provides a changeable colour lens, includes lens main part 1, prevents blue light pad pasting 2, waterproof pad pasting 3, prevents fogging pasting 4 and abrasionproof pad pasting 5, and the surface of lens main part 1 is provided with prevents blue light pad pasting 2, and the surface of preventing blue light pad pasting 2 is provided with waterproof pad pasting 3, and the surface of preventing fogging pad pasting 4 is provided with abrasionproof pad pasting 5.
Resin material is selected for use to the material of lens main part 1, prevents being fixed connection between blue light pad pasting 2 and the lens main part 1, prevents being fixed connection between blue light pad pasting 2, waterproof pad pasting 3, the pad pasting 4 of preventing fogging and the abrasionproof pad pasting 5 each other.
A method for preparing a color-changeable lens comprises the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask provided with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after dropwise adding, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, standing at room temperature until the liquid appears light yellow crystals, selecting 30ml of methanol as 5g of bisphenol A epoxy resin, keeping the temperature at 40 ℃ during stirring, selecting 1g of thiourea, selecting 40ml of methanol, dropwise adding the methanol after the thiourea is mixed with the methanol, finishing dropwise adding within 25min, and continuing to react for 3 hours, transferring the solvent after decompression recovery into a 30ml water solution funnel, adding anhydrous copper sulfate after treatment, and standing at room temperature for 3 h;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, transferring into an oven for secondary curing, wherein the highest mass ratio of the episulfide resin to the epoxy resin when mixed is 1:2,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:2, and the curing agent is transferred into an oven at 40 ℃ for secondary curing after being cured for 12 hours at room temperature;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
Example two
The utility model provides a changeable colour lens, includes lens main part 1, prevents blue light pad pasting 2, waterproof pad pasting 3, prevents fogging pasting 4 and abrasionproof pad pasting 5, and the surface of lens main part 1 is provided with prevents blue light pad pasting 2, and the surface of preventing blue light pad pasting 2 is provided with waterproof pad pasting 3, and the surface of preventing fogging pad pasting 4 is provided with abrasionproof pad pasting 5.
Resin material is selected for use to the material of lens main part 1, prevents being fixed connection between blue light pad pasting 2 and the lens main part 1, prevents being fixed connection between blue light pad pasting 2, waterproof pad pasting 3, the pad pasting 4 of preventing fogging and the abrasionproof pad pasting 5 each other.
A method for preparing a color-changeable lens comprises the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask provided with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after dropwise adding, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, standing at room temperature until the liquid appears light yellow crystals, selecting 45ml of methanol as 10g of bisphenol A epoxy resin, keeping the temperature at 50 ℃ during stirring, selecting 3g of thiourea, selecting 45ml of methanol, dropwise adding after the thiourea is mixed with the methanol, finishing dropwise adding within 30min, and continuing to react for 4 hours, transferring the solvent after decompression recovery into a 20ml water separating funnel, adding anhydrous copper sulfate after treatment, and standing at room temperature for 3 h;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, transferring into an oven for secondary curing, wherein the highest mass ratio of the episulfide resin to the epoxy resin when mixed is 1: 5,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:4, the curing agent is cured for 10 hours at room temperature and then transferred into an oven at 80 ℃ for secondary curing;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
EXAMPLE III
The utility model provides a changeable colour lens, includes lens main part 1, prevents blue light pad pasting 2, waterproof pad pasting 3, prevents fogging pasting 4 and abrasionproof pad pasting 5, and the surface of lens main part 1 is provided with prevents blue light pad pasting 2, and the surface of preventing blue light pad pasting 2 is provided with waterproof pad pasting 3, and the surface of preventing fogging pad pasting 4 is provided with abrasionproof pad pasting 5.
Resin material is selected for use to the material of lens main part 1, prevents being fixed connection between blue light pad pasting 2 and the lens main part 1, prevents being fixed connection between blue light pad pasting 2, waterproof pad pasting 3, the pad pasting 4 of preventing fogging and the abrasionproof pad pasting 5 each other.
A method for preparing a color-changeable lens comprises the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask provided with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after dropwise adding, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, standing at room temperature until the liquid appears light yellow crystals, selecting 60ml of methanol, keeping the temperature at 50 ℃ during stirring at constant temperature, selecting 5g of thiourea, selecting 60ml of methanol, dropwise adding the methanol after the thiourea is mixed with the methanol, finishing dropwise adding within 20min, and then continuously reacting for 2 hours, transferring the solvent after decompression recovery into a 50ml water separating funnel, adding anhydrous copper sulfate after treatment, and standing for 5h at room temperature;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, transferring into an oven for secondary curing, wherein the highest mass ratio of the episulfide resin to the epoxy resin when mixed is 1: 8,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:2, the curing agent is cured for 10 hours at room temperature and then transferred into an oven at 40 ℃ for secondary curing;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
Example four
The utility model provides a changeable colour lens, includes lens main part 1, prevents blue light pad pasting 2, waterproof pad pasting 3, prevents fogging pasting 4 and abrasionproof pad pasting 5, and the surface of lens main part 1 is provided with prevents blue light pad pasting 2, and the surface of preventing blue light pad pasting 2 is provided with waterproof pad pasting 3, and the surface of preventing fogging pad pasting 4 is provided with abrasionproof pad pasting 5.
Resin material is selected for use to the material of lens main part 1, prevents being fixed connection between blue light pad pasting 2 and the lens main part 1, prevents being fixed connection between blue light pad pasting 2, waterproof pad pasting 3, the pad pasting 4 of preventing fogging and the abrasionproof pad pasting 5 each other.
A method for preparing a color-changeable lens comprises the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask provided with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after the dropwise adding is finished, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, standing at room temperature until the liquid appears light yellow crystals, selecting 90ml of methanol as 25g of bisphenol A epoxy resin, keeping the temperature at 40 ℃ during stirring at constant temperature, selecting 8g of thiourea, selecting 80ml of methanol, dropwise adding the methanol after the thiourea is mixed with the methanol, finishing the dropwise adding within 25min, and continuing to react for 3 hours, transferring the solvent after decompression recovery into a 30ml water solution funnel, adding anhydrous copper sulfate after treatment, and standing at room temperature for 5 h;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, transferring into an oven for secondary curing, wherein the highest mass ratio of the episulfide resin to the epoxy resin when mixed is 1: 3,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:10, and the curing agent is transferred into a 60 ℃ oven for secondary curing after being cured for 12 hours at room temperature;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The color-changeable lens comprises a lens main body (1), a waterproof adhesive film (3), an anti-fogging adhesive film (4) and an anti-abrasion adhesive film (5), and is characterized in that: the surface of lens main part (1) is provided with prevents blue light pad pasting (2), the surface of preventing blue light pad pasting (2) is provided with waterproof pad pasting (3), the surface of preventing fogging pad pasting (4) is provided with abrasionproof pad pasting (5).
2. A variable color lens according to claim 1, wherein: resin materials are selected for the materials of the lens main body (1), the blue light prevention film (2) is fixedly connected with the lens main body (1), and the blue light prevention film (2), the waterproof film (3), the fogging prevention film (4) and the abrasion prevention film (5) are fixedly connected with each other.
3. A method for preparing a color-changeable lens is characterized by comprising the following steps:
(1) synthesizing episulfide resin: adding bisphenol A epoxy resin and methanol into a three-neck flask with a stirrer, stirring to completely dissolve the epoxy resin, adding thiourea into the methanol, dissolving the thiourea, dropwise adding the methanol mixed with the thiourea into the three-neck flask, continuing to react after the dropwise adding is finished, then recovering the solvent under reduced pressure, dissolving the product by using chloroform, transferring the dissolved solution into a separating funnel filled with water, oscillating, washing, standing for layering, taking the lower layer of mixed solution, drying by using granular copper sulfate to obtain colorless to light yellow transparent viscous liquid, and standing at room temperature until the liquid appears light yellow crystals;
(2) curing and molding the lens: stirring and mixing the prepared episulfide resin and epoxy resin in a hot water bath according to a certain proportion, then removing bubbles by using a high-temperature oven, cooling, transferring into a plastic cup, quickly adding 593 curing agent and bisphenol A type epoxy resin in a certain mass ratio, slowly stirring the mixture by using a glass rod until the wall of the plastic cup is slightly hot, stopping stirring, putting the product into a silica gel mold for curing at room temperature, and then transferring into an oven for secondary curing;
(3) polishing and film pasting: and polishing the cured lens, and then performing film pasting treatment on the outer surface of the polished lens.
4. The method for preparing a variable color lens according to claim 3, wherein: in the step (1), 5g-25g of bisphenol A type epoxy resin is selected, 30ml-90ml of methanol is selected, and the temperature is kept at 40 ℃ during stirring.
5. The method for preparing a variable color lens according to claim 3, wherein: 1g-8g of thiourea and 40ml-80ml of methanol are selected as the volume of the thiourea used in the step (1), dropwise adding the thiourea and the methanol after mixing, finishing the dropwise adding within 25min, and continuously reacting for 3 hours.
6. The method for preparing a variable color lens according to claim 3, wherein: and (2) transferring the solvent recovered under reduced pressure in the step (1) into a 30ml water-liquid funnel, adding anhydrous copper sulfate after treatment, and standing at room temperature for 3-5 h.
7. The method for preparing a variable color lens according to claim 3, wherein: the highest mass ratio of the episulfide resin to the epoxy resin in the step (2) is 1: 3,593 the mass ratio of the curing agent to the bisphenol A epoxy resin is 1:10, and the curing agent is transferred to an oven at 60 ℃ for secondary curing after being cured for 12 hours at room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210167939.1A CN114460763A (en) | 2022-02-23 | 2022-02-23 | Color-changeable lens and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210167939.1A CN114460763A (en) | 2022-02-23 | 2022-02-23 | Color-changeable lens and preparation method thereof |
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| CN114460763A true CN114460763A (en) | 2022-05-10 |
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| CN202210167939.1A Pending CN114460763A (en) | 2022-02-23 | 2022-02-23 | Color-changeable lens and preparation method thereof |
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