CN109970908B - Blade optical lens and manufacturing process thereof - Google Patents
Blade optical lens and manufacturing process thereof Download PDFInfo
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- CN109970908B CN109970908B CN201910258359.1A CN201910258359A CN109970908B CN 109970908 B CN109970908 B CN 109970908B CN 201910258359 A CN201910258359 A CN 201910258359A CN 109970908 B CN109970908 B CN 109970908B
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- 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
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
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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
- C08F218/24—Esters of carbonic or haloformic acids, e.g. allyl carbonate
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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
- 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
- C08F220/40—Esters of unsaturated alcohols, e.g. allyl (meth)acrylate
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0887—Tungsten
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Abstract
The invention discloses a formula of a blade optical lens and a manufacturing process thereof, wherein an upper film and a lower film are subjected to die assembly, a 45-degree guide angle is arranged at the die assembly contact position of the upper film and the lower film, the edge distance between the upper film and the lower film is 0.5-0.6mm, the center thickness distance is 1.4mm, and the blade optical lens with thin edges can be manufactured by specific selection of multiple curing and curing temperatures.
Description
Technical Field
The invention relates to the technical field of manufacturing of optical lenses, in particular to a blade optical lens and a manufacturing process thereof.
Background
The optical lens is made of transparent materials with one or more curved surfaces, which are made of optical materials such as glass or resin, and the optical lens is often assembled with a spectacle frame to form spectacles after being polished, so that the spectacles are used for correcting the eyesight of a user and obtaining a clear visual field, and can be applied to other lenses or optical instruments, and the demand is large.
At present, the edge thickness of the finished optical lens products on the market is basically the same as the center thickness, so that the material consumption is excessive, the manufacturing cost is high, and the requirement on the edge position of the optical lens is not high in the process of manufacturing the spectacle lens, so that a large amount of waste is caused. Therefore, how to reduce the material consumption and the cost on the basis of not influencing the performance of the finished optical lens, and how to improve the process to produce the blade optical lens (with thinner edge) is a problem to be solved at present.
Disclosure of Invention
The invention aims to solve the problems that the edge thickness is basically the same as the center thickness of the existing optical lens finished product, so that the material consumption is excessive, the manufacturing cost is high, and a large amount of waste is caused in the process of manufacturing the spectacle lens. The blade optical lens and the manufacturing process thereof have the advantages that the blade optical lens is good in optical performance, enough in hardness and thin in edge, raw material consumption is reduced, production cost is reduced, surface cleanliness of the blade optical lens is high, the release agent is added, edge demolding is carried out without damaging the edge, the formula is novel, the process is ingenious, and the blade optical lens has a good application prospect.
In order to achieve the purpose, the invention adopts the technical scheme that:
the blade optical lens comprises the following components in parts by weight:
propylene alcohol ester NC-55C: 430-450 parts;
carboxylic acid propeneacetic acid CR-39: 40-60 parts;
pigment: 7-9 parts;
releasing agent: 1-2 parts;
isopentenyl pyrophosphate IPP: 2-3 parts of a solvent;
inorganic adhesive: 1-2 parts.
In the aforementioned blade optical lens, the pigment includes 4 to 5 parts of blue pigment; 4-5 parts of red pigment.
The blade optical lens comprises the following components in parts by weight:
propylene alcohol ester NC-55C: 450 parts of a mixture;
carboxylic acid propeneacetic acid CR-39: 50 parts of a mixture;
pigment: 3.9 parts of blue pigment and 3.8 parts of red pigment;
releasing agent: 1.4 parts;
isopentenyl pyrophosphate IPP: 2.7 parts;
inorganic adhesive: 1.7 parts.
A manufacturing process of a blade optical lens comprises the following steps,
step (A), preparing materials, namely preparing the following components in parts by weight: propylene alcohol ester NC-55C: 430-450 parts; carboxylic acid propeneacetic acid CR-39: 40-60 parts; pigment: 7-9 parts; releasing agent: 1-2 parts; isopentenyl pyrophosphate IPP: 2-3 parts of a solvent; inorganic adhesive: 1-2 parts by weight, and uniformly stirring;
step (B), the upper film and the lower film for manufacturing the blade optical lens are matched, a 45-degree lead angle is arranged at the matched and contacted position of the upper film and the lower film, the edge distance between the upper film and the lower film is 0.5-0.6mm, and the center thickness distance is 1.4 mm;
step (C), uniformly stirring the raw materials, and pouring the raw materials into a blade optical lens mold closing mold, wherein the raw materials are kept at 60 ℃;
step (D), curing and standing the die assembly mould for 20h, and keeping the temperature between 25 ℃ and 85 ℃, wherein the specific process is as follows,
(D1) in the pre-curing stage, the temperature is linearly increased within 2 hours from 25 ℃ to 35 ℃;
(D2) in the first curing stage, the temperature is linearly increased within 4 hours from 35 ℃ to 40 ℃;
(D3) in the second curing stage, the temperature is linearly increased within 9 hours from 40 ℃ to 60 ℃;
(D4) in the third curing stage, the temperature is linearly increased within 3 hours from 60 ℃ to 85 ℃;
(D5) in the fourth curing stage, the temperature is kept at 85 ℃ for 2 hours;
step (E), cooling the die assembly die to 75 ℃, performing hot and cold soaking treatment, and then performing glue tearing and demoulding to obtain a semi-finished product of the blade optical lens;
step (F), trimming the semi-finished product of the blade edge optical lens;
step (G), cleaning the trimmed semi-finished product of the blade optical lens sequentially through a clear water tank, a plurality of deoiling tanks, a neutralization tank and a plurality of clear water tanks;
step (H), drying the cleaned semi-finished product of the blade optical lens, wherein the drying temperature is between 70 and 75 ℃, and the drying time is between 4 and 6 min;
step (I), manually checking whether the dried semi-finished product of the blade optical lens is clean or not, and returning to the step (G) if the semi-finished product is unqualified; if qualified, executing the step (J);
step (J), secondary curing, wherein the temperature is directly increased to 110-115 ℃, and is kept for 2 h;
step (K), cooling treatment, namely naturally cooling the semi-finished product of the blade optical lens after secondary curing to 25 ℃ to form a finished product of the blade optical lens;
step (L), testing the finished product of the blade edge optical lens, wherein the edge thickness is 0.5-0.6mm, the center thickness is 1.4mm, and the product is qualified;
step (M), coating and hardening, and increasing the hardness and the light transmittance of the finished product of the blade optical lens;
step (N), drying again at the drying temperature of 110-115 ℃ for 4-6 min;
step (O), vacuum coating, wherein the temperature of the finished product of the blade optical lens is controlled at 60 ℃ in a vacuum environment, and the coating time is 20 min;
and (P) carrying out light performance test on the finished product of the blade edge optical lens, and packaging qualified products for warehousing.
In the manufacturing process of the blade optical lens, step (G), the trimmed blade optical lens semi-finished product is sequentially cleaned by the clear water tank, the plurality of oil removing tanks, the neutralizing tank and the plurality of clear water tanks, and the specific process is as follows:
(G1) cleaning with clear water tank by ultrasonic vibration at 60 deg.C for 35-40 s;
(G2) sequentially passing through four oil removing tanks, controlling the temperature at 60 ℃, and cleaning each oil removing tank for 35-40s, wherein the oil removing tanks contain alkaline cleaning agents and penetrants;
(G3) neutralizing acid and alkali through a neutralization tank, controlling the temperature at 60 ℃, wherein the neutralization tank contains citric acid, the pH value is 3-4, and the cleaning time is 35-40 s;
(G4) and sequentially passing through four clean water tanks for rinsing, controlling the temperature at 60 ℃, and cleaning each clean water tank for 35-40 s.
In the manufacturing process of the blade optical lens, (G2) the degreasing bath contains alkaline cleaning agent and penetrating agent, and the alkaline cleaning agent is sodium hydroxide per 2w pairs/500G; the penetrant is added in every 2w pairs/500 g.
The manufacturing process of the blade optical lens comprises the following steps of (A) preparing materials, and preparing the following components in parts by weight: propylene alcohol ester NC-55C: 450 parts of a mixture; carboxylic acid propeneacetic acid CR-39: 50 parts of a mixture; pigment: 3.9 parts of blue pigment and 3.8 parts of red pigment; releasing agent: 1.4 parts; isopentenyl pyrophosphate IPP: 2.7 parts; inorganic adhesive: 1.7 parts by weight, and stirring uniformly.
The invention has the beneficial effects that: according to the blade optical lens and the manufacturing process thereof, the upper film and the lower film are subjected to die assembly, the contact position of the die assembly of the upper film and the lower film is provided with a 45-degree guide angle, the edge distance between the upper film and the lower film is 0.5-0.6mm, the center thickness distance is 1.4mm, and the blade optical lens with thin edges can be manufactured by specific selection of multiple curing and curing temperatures, so that the blade optical lens is good in optical performance, sufficient in hardness, particularly suitable for presbyopic glasses lenses, capable of reducing raw material consumption and production cost, high in surface cleanliness of the blade optical lens, novel in formula, ingenious in process and good in application prospect.
Detailed Description
The present invention is further described below.
The invention relates to a blade optical lens, which comprises the following components in parts by weight:
propylene alcohol ester NC-55C: 430-450 parts;
carboxylic acid propeneacetic acid CR-39: 40-60 parts;
pigment: 7-9 parts;
releasing agent: 1-2 parts;
isopentenyl pyrophosphate IPP: 2-3 parts of a solvent;
inorganic adhesive: 1-2 parts.
The added release agent and the content can prevent the edge from being pulled and deformed after the blade optical lens is solidified, ensure the consistency of the surface of the blade optical lens and improve the qualification rate of products; the pigment is used for increasing the base color of the blade optical lens; isopentene pyrophosphoric acid (IPP) is used as an initiator and plays a polymerization role in the temperature rise process of the ingredients of the blade optical lens; the inorganic adhesive improves the capability of the manufactured blade optical lens to limitedly block ultraviolet rays.
Preferably, the pigment comprises 4-5 parts of blue pigment; 4-5 parts of red pigment, wherein the inorganic adhesive is an inorganic adhesive and has a good ultraviolet ray blocking effect.
One embodiment of the blade optical lens of the invention comprises the following components in parts by weight:
propylene alcohol ester NC-55C: 450 parts of a mixture;
carboxylic acid propeneacetic acid CR-39: 50 parts of a mixture;
pigment: 3.9 parts of blue pigment and 3.8 parts of red pigment;
releasing agent: 1.4 parts;
isopentenyl pyrophosphate IPP: 2.7 parts;
inorganic adhesive: 1.7 parts.
The preferred embodiment has low viscosity, and the addition of a reasonable proportion of mold release agent enables good mold release and meets the optical characteristics of the optical lens.
The manufacturing process of the blade optical lens of the invention comprises the following steps,
step (A), preparing materials, namely preparing the following components in parts by weight: propylene alcohol ester NC-55C: 430-450 parts; carboxylic acid propeneacetic acid CR-39: 40-60 parts; pigment: 7-9 parts; releasing agent: 1-2 parts; isopentenyl pyrophosphate IPP: 2-3 parts of a solvent; inorganic adhesive: 1-2 parts of the raw materials, uniformly stirring,
the optimal mixture ratio is that allyl alcohol ester NC-55C: 450 parts of a mixture; carboxylic acid propeneacetic acid CR-39: 50 parts of a mixture; pigment: 3.9 parts of blue pigment and 3.8 parts of red pigment; releasing agent: 1.4 parts; isopentenyl pyrophosphate IPP: 2.7 parts; inorganic adhesive: 1.7 parts;
step (B), the upper film and the lower film for manufacturing the blade optical lens are matched, a 45-degree lead angle is arranged at the matched and contacted position of the upper film and the lower film, the edge distance between the upper film and the lower film is 0.5-0.6mm, and the center thickness distance is 1.4 mm;
step (C), uniformly stirring the raw materials, and pouring the raw materials into a blade optical lens mold closing mold, wherein the raw materials are kept at 60 ℃;
step (D), curing and standing the die assembly mould for 20h, and keeping the temperature between 25 ℃ and 85 ℃, wherein the specific process is as follows,
(D1) in the pre-curing stage, the temperature is linearly increased within 2 hours from 25 ℃ to 35 ℃;
(D2) in the first curing stage, the temperature is linearly increased within 4 hours from 35 ℃ to 40 ℃;
(D3) in the second curing stage, the temperature is linearly increased within 9 hours from 40 ℃ to 60 ℃;
(D4) in the third curing stage, the temperature is linearly increased within 3 hours from 60 ℃ to 85 ℃;
(D5) in the fourth curing stage, the temperature is kept at 85 ℃ for 2 hours;
in the five-process curing, the edge of the blade optical lens is thin, so that the phenomenon that the surface is cracked due to sudden heating at the temperature can be effectively prevented, but if the temperature is too low, the forming effect is poor, and the mold opening is not convenient;
step (E), cooling the die assembly die to 75 ℃, performing hot and cold soaking treatment, and then performing glue tearing and demoulding to obtain a semi-finished product of the blade optical lens;
step (F), trimming the semi-finished product of the blade edge optical lens;
step (G), the semi-finished product of the edge optical lens after trimming is sequentially washed by a clear water tank, a plurality of oil removing tanks, a neutralization tank and a plurality of clear water tanks, the cleaning is very clean, the quality of the edge optical lens is improved, and the specific process is as follows:
(G1) cleaning with clear water tank by ultrasonic vibration at 60 deg.C for 35-40 s;
(G2) sequentially passing through four oil removing tanks, controlling the temperature at 60 ℃, and cleaning each oil removing tank for 35-40s, wherein the oil removing tanks contain alkaline cleaning agents and penetrants, and the alkaline cleaning agents are sodium hydroxide of every 2w pairs/500 g; the penetrant is 500g per 2w, so that too many alkaline cleaning agents are not needed, and the cleaning effect is good;
(G3) neutralizing acid and alkali through a neutralization tank, controlling the temperature at 60 ℃, wherein the neutralization tank contains citric acid, the pH value is 3-4, and the cleaning time is 35-40 s;
(G4) rinsing the water sequentially through four clean water tanks, controlling the temperature at 60 ℃, and cleaning each clean water tank for 35-40 s;
step (H), drying the cleaned semi-finished product of the blade optical lens, wherein the drying temperature is between 70 and 75 ℃, and the drying time is between 4 and 6 min;
step (I), manually checking whether the dried semi-finished product of the blade optical lens is clean or not, and returning to the step (G) if the semi-finished product is unqualified; if qualified, executing the step (J);
step (J), secondary curing, wherein the temperature is directly increased to 110-115 ℃, and is kept for 2 h;
step (K), cooling treatment, namely naturally cooling the semi-finished product of the blade optical lens after secondary curing to 25 ℃ to form a finished product of the blade optical lens;
step (L), testing the finished product of the blade edge optical lens, wherein the edge thickness is 0.5-0.6mm, the center thickness is 1.4mm, and the product is qualified;
step (M), coating and hardening, and increasing the hardness and the light transmittance of the finished product of the blade optical lens;
step (N), drying again at the drying temperature of 110-115 ℃ for 4-6 min;
step (O), vacuum coating, wherein the temperature of the finished product of the blade optical lens is controlled at 60 ℃ in a vacuum environment, and the coating time is 20 min;
and (P) carrying out light performance test on the finished product of the blade edge optical lens, and packaging qualified products for warehousing.
And (G) cleaning the trimmed blade optical lens semi-finished product sequentially through a clear water tank, a plurality of deoiling tanks, a neutralization tank and a plurality of clear water tanks.
The blade optical lens manufactured by the manufacturing process has the following specific effects:
(1) compared with the common lens, the blade optical lens is thinner and lighter, is more attractive as a whole and is more comfortable to wear; (2) the blade optical lens is integrally formed, so that the production process is shortened, raw material consumption is reduced, the production cost is reduced, the surface cleanliness of the blade optical lens is high, the formula is novel, and the process is ingenious.
In summary, according to the blade optical lens and the manufacturing process thereof, the upper film and the lower film are subjected to die assembly, the contact position of the die assembly of the upper film and the lower film is provided with a 45-degree guide angle, the edge distance between the upper film and the lower film is 0.5-0.6mm, the center thickness distance is 1.4mm, and the blade optical lens with thin edges can be manufactured by specific selection of multiple curing and curing temperatures, so that the blade optical lens is good in optical performance, sufficient in hardness, particularly suitable for presbyopic glasses lenses, capable of reducing raw material consumption and production cost, high in surface cleanliness of the blade optical lens, novel in formula, ingenious in process and good in application prospect. The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A manufacturing process of a blade optical lens is characterized by comprising the following steps,
step (A), preparing materials, namely preparing the following components in parts by weight: propylene alcohol ester NC-55C: 430-450 parts; carboxylic acid propeneacetic acid CR-39: 40-60 parts; pigment: 7-9 parts; and (3) demoulding agent: 1-2 parts; isopentenyl pyrophosphate IPP: 2-3 parts of a solvent; UV powder: 1-2 parts by weight, and uniformly stirring;
step (B), the upper film and the lower film for manufacturing the blade optical lens are matched, a 45-degree lead angle is arranged at the matched and contacted position of the upper film and the lower film, the edge distance between the upper film and the lower film is 0.5-0.6mm, and the center thickness distance is 1.4 mm;
step (C), uniformly stirring the raw materials, and pouring the raw materials into a blade optical lens mold closing mold, wherein the raw materials are kept at 60 ℃;
step (D), curing and standing the die assembly mould for 20h, and keeping the temperature between 25 ℃ and 85 ℃, wherein the specific process is as follows,
(D1) in the pre-curing stage, the temperature is linearly increased within 2 hours from 25 ℃ to 35 ℃;
(D2) in the first curing stage, the temperature is linearly increased within 4 hours from 35 ℃ to 40 ℃;
(D3) in the second curing stage, the temperature is linearly increased within 9 hours from 40 ℃ to 60 ℃;
(D4) in the third curing stage, the temperature is linearly increased within 3 hours from 60 ℃ to 85 ℃;
(D5) in the fourth curing stage, the temperature is kept at 85 ℃ for 2 hours;
step (E), cooling the die assembly die to 75 ℃, performing hot and cold soaking treatment, and then performing glue tearing and demoulding to obtain a semi-finished product of the blade optical lens;
step (F), trimming the semi-finished product of the blade edge optical lens;
step (G), cleaning the trimmed semi-finished product of the blade optical lens sequentially through a clear water tank, a plurality of deoiling tanks, a neutralization tank and a plurality of clear water tanks;
step (H), drying the cleaned semi-finished product of the blade optical lens, wherein the drying temperature is between 70 and 75 ℃, and the drying time is between 4 and 6 min;
step (I), manually checking whether the dried semi-finished product of the blade optical lens is clean or not, and returning to the step (G) if the semi-finished product is unqualified; if qualified, executing the step (J);
step (J), secondary curing, wherein the temperature is directly increased to 110-115 ℃, and is kept for 2 h;
step (K), cooling treatment, namely naturally cooling the semi-finished product of the blade optical lens after secondary curing to 25 ℃ to form a finished product of the blade optical lens;
step (L), testing the finished product of the blade edge optical lens, wherein the edge thickness is 0.5-0.6mm, the center thickness is 1.4mm, and the product is qualified;
step (M), coating and hardening, and increasing the hardness and the light transmittance of the finished product of the blade optical lens;
step (N), drying again at the drying temperature of 110-115 ℃ for 4-6 min;
step (O), vacuum coating, wherein the temperature of the finished product of the blade optical lens is controlled at 60 ℃ in a vacuum environment, and the coating time is 20 min;
and (P) carrying out light performance test on the finished product of the blade edge optical lens, and packaging qualified products for warehousing.
2. The process for manufacturing the blade optical lens according to claim 1, wherein in the step (G), the trimmed semi-finished product of the blade optical lens is sequentially cleaned by a clear water tank, a plurality of oil removing tanks, a neutralization tank and a plurality of clear water tanks, and the specific process comprises the following steps:
(G1) cleaning with clear water tank by ultrasonic vibration at 60 deg.C for 35-40 s;
(G2) sequentially passing through four oil removing tanks, controlling the temperature at 60 ℃, and cleaning each oil removing tank for 35-40s, wherein the oil removing tanks contain alkaline cleaning agents and penetrants;
(G3) neutralizing acid and alkali through a neutralization tank, controlling the temperature at 60 ℃, wherein the neutralization tank contains citric acid, the pH value is 3-4, and the cleaning time is 35-40 s;
(G4) and sequentially passing through four clean water tanks for rinsing, controlling the temperature at 60 ℃, and cleaning each clean water tank for 35-40 s.
3. The process for manufacturing a blade optical lens according to claim 2, wherein (G2) the degreasing bath contains an alkaline cleaning agent and a penetrant, and the alkaline cleaning agent is sodium hydroxide (2 w/500G); the penetrant is added in every 2w pairs/500 g.
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| CN201910258359.1A CN109970908B (en) | 2019-04-01 | 2019-04-01 | Blade optical lens and manufacturing process thereof |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311762A (en) * | 1980-10-24 | 1982-01-19 | Corning Glass Works | Plastic components of improved hardness and scratch resistance |
| US4576766A (en) * | 1983-09-07 | 1986-03-18 | The Plessey Company Plc | Photochromic compounds and their use in photoreactive lenses |
| JPS60258501A (en) * | 1984-05-01 | 1985-12-20 | Toray Ind Inc | Plastic lens having high refractive index |
| US5415816A (en) * | 1986-01-28 | 1995-05-16 | Q2100, Inc. | Method for the production of plastic lenses |
| AU673775B2 (en) * | 1993-08-24 | 1996-11-21 | Great Lakes Chemical Corporation | Ophthalmic lenses |
| GB2283241B (en) * | 1993-10-13 | 1998-03-25 | Gen Electric | Substrates coated with radiation curable compositions |
| FR2721720B1 (en) * | 1994-06-27 | 1996-09-06 | Essilor Int | Ophthalmic lens made of organic glass with shock-absorbing interlayer and its manufacturing process. |
| CN1958643A (en) * | 2005-11-02 | 2007-05-09 | 江苏明月光电科技有限公司 | Spectacle lenses made from resin, and preparing technique |
| CN101359103B (en) * | 2008-09-17 | 2010-06-02 | 肖圣盈 | Anti- fatigue and anti-myopia lens and producing method thereof |
| CN104742389A (en) * | 2013-12-31 | 2015-07-01 | 上海希尔康光学眼镜有限公司 | Process for manufacturing anti-yellowing resin lens |
| CN106476187A (en) * | 2016-11-08 | 2017-03-08 | 镇江视伟光学有限公司 | A kind of manufacture method of uv blocking 400 eyeglass of high definition |
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