CN111045225B - Preparation method of blue-light-proof resin lens capable of enhancing anti-visual fatigue effect - Google Patents
Preparation method of blue-light-proof resin lens capable of enhancing anti-visual fatigue effect Download PDFInfo
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- CN111045225B CN111045225B CN201911346523.0A CN201911346523A CN111045225B CN 111045225 B CN111045225 B CN 111045225B CN 201911346523 A CN201911346523 A CN 201911346523A CN 111045225 B CN111045225 B CN 111045225B
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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- C08K5/0091—Complexes with metal-heteroatom-bonds
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Abstract
The invention discloses a preparation method of a blue-light-proof resin lens for enhancing the visual fatigue resistance effect, which comprises the following preparation raw materials in parts by weight: 60-80 parts of allyl diglycol carbonate, 2-5 parts of methacrylamide, 20-30 parts of methyl methacrylate and 2-3 parts of a blue-violet light conversion agent; the nano particles of the blue-violet light conversion agent keep the absorption characteristic of the blue-violet light and the luminous characteristic of the corresponding spectral line in the polymerization process of the resin monomer, and can ensure the transmittance of the resin lens; the blue-violet light conversion agent mainly converts blue-violet light into visible light near 550nm, can fully utilize harmful blue-violet light energy, and further enhances the anti-fatigue effect; the methacrylamide is used as a modification auxiliary agent, so that the molecular chain strength of the copolymerized methyl methacrylate and allyl diglycol carbonate is enhanced, and the physical properties of the blue-light-proof resin lens are improved.
Description
Technical Field
The invention relates to the technical field of lenses, in particular to a preparation method of a blue-light-proof resin lens for enhancing an anti-visual fatigue effect.
Background
High-energy blue-violet light with the wavelength of 380nm to 450nm can penetrate through crystalline lens and directly reach retina to damage human eyes, so that the vision is reduced; meanwhile, because the wavelength of blue and violet light is short, the focus point is not at the center of the retina, so that the human eyes are in a tense state for a long time to cause visual fatigue. The improvement of glasses and the addition of blue light prevention function can effectively reduce the damage of blue light to human eyes, at present, the traditional scheme is to plate a blue light prevention coating on the surface of a lens or add blue light prevention additives into resin, the coatings or additives are usually rare earth oxide particles and dispersing agents thereof, the purpose of effectively preventing blue light is achieved, and meanwhile, the utilization of blue and violet light energy is not considered [1, 2 ].
Disclosure of Invention
The invention aims to provide a preparation method of a blue-light-proof resin lens for enhancing the visual fatigue resistance effect aiming at the defects of the prior art, and solves the problems that the traditional blue-light-proof lens only considers absorption shielding and does not consider energy conversion and utilization of blue-violet light.
The technical scheme for solving the problems comprises the following steps: a preparation method of a blue-light-proof resin lens for enhancing an anti-visual fatigue effect specifically comprises the following steps:
firstly, dissolving 2-3 parts by weight of blue-violet light conversion agent in 20-30 parts by weight of methyl methacrylate, and uniformly stirring by using a stirrer;
secondly, adding the methyl methacrylate and 2-5 parts of methacrylamide into 60-80 parts of allyl diglycol carbonate matrix after the blue-violet light conversion agent is fully dispersed to form final pre-polymerization liquid;
and thirdly, injecting the final prepolymer into a lens mould, and putting the lens mould into thermosetting equipment for curing.
Preferably, in the first step, the speed of the stirrer is 1000r/min-1500r/min, and the stirring time is 2-3 hours;
preferably, the thermosetting process in the third step is as follows: raising the temperature from room temperature to 80-90 ℃ at a constant speed, keeping the temperature raising process for 1-1.5 hours, keeping the temperature for 4-5 hours for thermosetting, and then rapidly reducing the temperature to 25-30 ℃ to finish curing.
The blue-violet light conversion agent is a mixture containing nanoparticles prepared from a rare earth complex, the particle size of the nanoparticles is 8-20 nm, the rare earth complex comprises a terbium complex, a cerium complex and other complexes, the other complexes comprise at least one of a europium complex, a neodymium complex and a lanthanum complex, and the rare earth complex is prepared into the nanoparticle mixture by a microwave radiation method;
the weight ratio of the terbium complex to the cerium complex to other complexes is 1: 1: 1;
preferably, the terbium complex is a complex of 8-hydroxyquinoline and trivalent terbium, and the part ratio of the 8-hydroxyquinoline to the trivalent terbium is 3: 1;
preferably, the cerium complex is a complex of curcumin and a tetravalent cerium ligand, and the part ratio of the curcumin to the tetravalent cerium is 3: 1;
the preparation method of the blue-violet light conversion agent comprises the following steps:
step one, adding 20 parts by weight of absolute ethyl alcohol, 6 parts by weight of ammonia water, 5 parts by weight of ethyl orthosilicate and 3 parts by weight of distilled water into a reaction vessel, reacting at constant temperature of 40 ℃ for 12 hours, and centrifugally washing to obtain silicon dioxide nano particles;
and step two, adopting a mass ratio of 2: 1: 1, the mixed solvent of isopropanol, methanol and water dissolves the rare earth complex, and the initial concentration is 5 mg/mL. Adding diallyl dimethyl ammonium chloride and the silicon dioxide nano-particles obtained in the previous step, performing high-speed centrifugation to obtain a precipitate, and adding distilled water to obtain a redissolution;
and thirdly, adding acrylic acid into the redissolved solution, centrifuging at a high speed to obtain a solution containing stable rare earth complex nanoparticles, and heating and drying to obtain the blue-violet light conversion agent.
Preferably, the mass ratio of the rare earth complex, the silicon dioxide and the diallyl dimethyl ammonium chloride in the second step is 1000: 400: 1.
preferably, the mass ratio of the rare earth complex to the acrylic acid in the third step is 1000: 1.
the invention has the following beneficial effects:
the invention provides a preparation method of a blue-light-proof resin lens for enhancing the anti-visual fatigue effect, wherein nano particles of a blue-violet light conversion agent keep the absorption characteristic of the nano particles to blue-violet light and the luminous characteristic of a corresponding spectral line in the polymerization process of a resin monomer, and simultaneously can ensure the transmittance of the resin lens; the blue-violet light conversion agent mainly converts blue-violet light into visible light near 550nm, human eyes are sensitive to wave bands near 550nm, when the light contains more 550nm, the limit of human eye resolving power under Rayleigh criterion can be approached, and the improvement can fully utilize harmful blue-violet light energy to further enhance the anti-fatigue effect; the methacrylamide is used as a modification auxiliary agent, so that the molecular chain strength of the copolymerized methyl methacrylate and allyl diglycol carbonate is enhanced, and the physical performance of the blue-light-proof resin lens is improved; the curcumin-cerium complex can realize the great enhancement of blue light absorption near 440nm, and can also fully utilize the 569nm emission peak; the 8-hydroxyquinoline-terbium complex can realize the absorption of ultraviolet light and purple light, and can fully utilize the 549nm emission peak.
Drawings
FIG. 1 shows the natural light transmission spectra of 300-560nm band for the lens (solid line) and the conventional blue light-proof lens (dotted line) in the embodiment of the present invention.
Detailed Description
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. It should be understood that the described embodiments are only a part of the embodiments of the present invention, and do not limit the present invention.
A blue light-proof resin lens for enhancing an anti-visual fatigue effect comprises the following preparation raw materials in parts by weight: 70 parts of allyl diglycol carbonate, 3 parts of methacrylamide, 25 parts of methyl methacrylate and 2 parts of a blue-violet light conversion agent.
A preparation method of a blue-light-proof resin lens for enhancing an anti-visual fatigue effect specifically comprises the following steps:
firstly, dissolving 2 parts by weight of blue-violet light conversion agent in 25 parts by weight of methyl methacrylate, and stirring by using a stirrer at the speed of 1000r/min for 2 hours;
secondly, adding methyl methacrylate and 3 parts of methacrylamide into 780 parts of allyl diglycol carbonate matrix after the blue-violet light conversion agent is fully dispersed to form final pre-polymerization liquid;
and thirdly, injecting the final prepolymer into a lens mould, putting the lens mould into thermosetting equipment for curing, uniformly heating the temperature from room temperature to 80-90 ℃, keeping the heating process for 1-1.5 hours, keeping the temperature for 4-5 hours for thermosetting, and then quickly cooling the temperature to 25-30 ℃ to finish curing to obtain the blue-light-proof resin lens containing the blue-violet light conversion agent.
The blue-violet light conversion agent is a mixture containing nanoparticles prepared from a rare earth complex, the particle size of the nanoparticles is 10nm, and the rare earth complex comprises the following components in percentage by weight of 1: 1: the composite material comprises a complex of 1, 8-hydroxyquinoline and a terbium ligand, a complex of curcumin and a cerium ligand and a complex of methylbenzotriazole and a neodymium ligand, wherein the rare earth complex is prepared into a nanoparticle mixture by adopting a microwave radiation method.
The preparation method of the blue-violet light conversion agent comprises the following steps:
step one, adding 20 parts by weight of absolute ethyl alcohol, 6 parts by weight of ammonia water, 5 parts by weight of ethyl orthosilicate and 3 parts by weight of distilled water into a reaction vessel, reacting at constant temperature of 40 ℃ for 12 hours, and centrifugally washing to obtain silicon dioxide nano particles;
and step two, adopting a mass ratio of 2: 1: 1, the mixed solvent of isopropanol, methanol and water dissolves the rare earth complex, and the initial concentration is 5 mg/mL. Adding diallyl dimethyl ammonium chloride and the silicon dioxide nano-particles obtained in the previous step, performing high-speed centrifugation to obtain precipitates, and adding distilled water to obtain a redissolved solution, wherein the mass ratio of the rare earth complex to the silicon dioxide to the diallyl dimethyl ammonium chloride is 1000: 400: 1;
thirdly, adding acrylic acid into the redissolved solution, centrifuging at high speed to obtain a solution containing stable rare earth complex nanoparticles, and heating and drying to obtain the blue-violet light conversion agent, wherein the mass ratio of the rare earth complex to the acrylic acid is 1000: 1.
the blue-violet transmittance and the visible light transmittance of the obtained lens were measured, and the results are shown in table 1 below.
TABLE 1 partial wavelength transmittance
As shown in FIG. 1 and Table 1, the lens is transparent to a large amount of light having a wavelength of 550 nm. The nano particles of the violet light conversion agent keep the absorption characteristic of the violet light and the luminous characteristic of the corresponding spectral line in the polymerization process of the resin monomer, and simultaneously can ensure the transmittance of the resin lens; the blue-violet light conversion agent mainly converts blue-violet light into visible light near 550nm, human eyes are sensitive to wave bands near 550nm, when the light contains more 550nm, the limit of human eye resolving power under Rayleigh criterion can be approached, and the improvement can fully utilize harmful blue-violet light energy to further enhance the anti-fatigue effect; the methacrylamide is used as a modification auxiliary agent, so that the molecular chain strength of the copolymerized methyl methacrylate and allyl diglycol carbonate is enhanced, and the physical performance of the blue-light-proof resin lens is improved; the curcumin-cerium complex can realize the great enhancement of blue light absorption near 440nm, and can also fully utilize the 569nm emission peak; the 8-hydroxyquinoline-terbium complex can realize the absorption of ultraviolet light and purple light, and can fully utilize the 549nm emission peak.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. A preparation method of a blue-light-proof resin lens for enhancing the visual fatigue resistance effect is characterized by comprising the following steps: the method comprises the following steps: firstly, dissolving 2-3 parts by weight of blue-violet light conversion agent in 20-30 parts by weight of methyl methacrylate, and uniformly stirring by using a stirrer;
secondly, adding the methyl methacrylate and 2-5 parts of methacrylamide into 60-80 parts of allyl diglycol carbonate matrix after the blue-violet light conversion agent is fully dispersed to form final pre-polymerization liquid;
thirdly, injecting the final prepolymer into a lens mould, and placing the lens mould into thermosetting equipment for curing;
the blue-violet light conversion agent is a mixture containing nanoparticles prepared from a rare earth complex, the particle size of the nanoparticles is 8-20 nm, the rare earth complex comprises a terbium complex, a cerium complex and other complexes, the other complexes comprise at least one of a europium complex, a neodymium complex and a lanthanum complex, the terbium complex, the cerium complex and the other complexes are prepared into the nanoparticle mixture by a microwave radiation method, and the weight ratio of the terbium complex, the cerium complex and the other complexes is 1: 1: 1.
2. the method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 1, wherein: in the first step, the speed of the stirrer is 1000r/min-1500r/min, and the stirring time is 2-3 hours.
3. The method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 1, wherein: the thermosetting process in the third step is as follows: raising the temperature from room temperature to 80-90 ℃ at a constant speed, keeping the temperature raising process for 1-1.5 hours, keeping the temperature for 4-5 hours for thermosetting, and then rapidly reducing the temperature to 25-30 ℃ to finish curing.
4. The method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 1, wherein: the terbium complex is a complex of 8-hydroxyquinoline and trivalent terbium.
5. The method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 1, wherein: the cerium complex is a complex of curcumin and tetravalent cerium.
6. The method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 1, wherein: the preparation method of the blue-violet light conversion agent comprises the following steps:
step one, adding 20 parts by weight of absolute ethyl alcohol, 6 parts by weight of ammonia water, 5 parts by weight of ethyl orthosilicate and 3 parts by weight of distilled water into a reaction vessel, reacting at constant temperature of 40 ℃ for 12 hours, and centrifugally washing to obtain silicon dioxide nano particles;
and step two, adopting a mass ratio of 2: 1: 1, dissolving the rare earth complex by using a mixed solvent of isopropanol, methanol and water, wherein the initial concentration is 5mg/mL, adding diallyl dimethyl ammonium chloride and the silicon dioxide nanoparticles obtained in the previous step, performing high-speed centrifugation to obtain a precipitate, and adding distilled water to obtain a redissolution;
and thirdly, adding acrylic acid into the redissolved solution, centrifuging at a high speed to obtain a solution containing stable rare earth complex nanoparticles, and heating and drying to obtain the blue-violet light conversion agent.
7. The method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 6, wherein: in the second step, the mass ratio of the rare earth complex, the silicon dioxide and the diallyl dimethyl ammonium chloride is 1000: 400: 1.
8. the method for preparing blue-light prevention resin lens for enhancing anti-asthenopia effect as claimed in claim 6, wherein: in the third step, the mass ratio of the rare earth complex to the acrylic acid is 1000: 1.
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| CN109669279A (en) * | 2019-03-05 | 2019-04-23 | 江苏汇鼎光学眼镜有限公司 | A kind of production method of anti-blue light eyeglass |
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| US20150309335A1 (en) * | 2014-04-25 | 2015-10-29 | Megalowmart Holdings Llc. | Blue-Light-Inhibiting Resin Lens and Manufacturing Method Therefor |
| CN103980643B (en) * | 2014-06-04 | 2017-05-31 | 江苏视客新材料股份有限公司 | Anti-blue light nano-composite resin material, eyeglass and preparation method thereof |
| CN104880744B (en) * | 2015-06-11 | 2016-08-17 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of manufacture method of anti-blue light resin lens |
| CN106353893A (en) * | 2015-07-20 | 2017-01-25 | 束小芹 | Manufacturing method for hardened film resin lens |
| CN106674852B (en) * | 2016-12-23 | 2019-03-15 | 合肥炜烨光学科技有限公司 | A kind of anti-blue light eyeglass and its resin raw material |
| CN108164627B (en) * | 2017-12-20 | 2021-04-06 | 江苏全真光学科技股份有限公司 | High-transmittance blue-light-proof spectacle lens and preparation method thereof |
| CN108761840B (en) * | 2018-06-04 | 2019-11-08 | 青岛高新区尚达医药研究所 | Anti-blue light glasses substrate and anti-blue light anti-fatigue glasses |
| CN109369855A (en) * | 2018-09-30 | 2019-02-22 | 镇江奥视达光学有限公司 | A kind of photochromic polyurethane eyeglass and preparation method thereof |
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Effective date of registration: 20210608 Address after: 212300 China (Danyang) Eyeglasses Industry Pioneer Park on the East of 312 National Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU HUIDING OPTICAL GLASSES Co.,Ltd. Address before: 212000 China (Danyang) glasses industry pioneer park, east of 312 National Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Huiheng glasses Co.,Ltd. |