WO2023028936A1 - 加强防蓝光性能的树脂镜片及其制备方法 - Google Patents
加强防蓝光性能的树脂镜片及其制备方法 Download PDFInfo
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- WO2023028936A1 WO2023028936A1 PCT/CN2021/116153 CN2021116153W WO2023028936A1 WO 2023028936 A1 WO2023028936 A1 WO 2023028936A1 CN 2021116153 W CN2021116153 W CN 2021116153W WO 2023028936 A1 WO2023028936 A1 WO 2023028936A1
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- Prior art keywords
- blue light
- resin lens
- refractive index
- monomer
- lens
- Prior art date
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- 239000011347 resin Substances 0.000 title claims abstract description 60
- 229920005989 resin Polymers 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000002834 transmittance Methods 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims description 42
- 239000000178 monomer Substances 0.000 claims description 38
- 239000003054 catalyst Substances 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 21
- 239000003999 initiator Substances 0.000 claims description 15
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical group OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 7
- 239000012965 benzophenone Substances 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 239000012964 benzotriazole Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 150000004702 methyl esters Chemical class 0.000 claims description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical group N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 6
- UWSMKYBKUPAEJQ-UHFFFAOYSA-N 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O UWSMKYBKUPAEJQ-UHFFFAOYSA-N 0.000 claims description 5
- -1 episulfide compound Chemical class 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical group 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 150000001412 amines Chemical group 0.000 claims description 3
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 claims description 3
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical group CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 claims description 3
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical group OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- ZMWRRFHBXARRRT-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(N2N=C3C=CC=CC3=N2)=C1O ZMWRRFHBXARRRT-UHFFFAOYSA-N 0.000 claims description 2
- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-UHFFFAOYSA-N 0.000 claims description 2
- DBNIVYRHFXOOHF-UHFFFAOYSA-N N1C=CC=C1.OC1=C(C=C(C=C1C(C)(C)C)C(C)(C)C)N1N=C2C(=N1)C=CC(=C2)Cl Chemical compound N1C=CC=C1.OC1=C(C=C(C=C1C(C)(C)C)C(C)(C)C)N1N=C2C(=N1)C=CC(=C2)Cl DBNIVYRHFXOOHF-UHFFFAOYSA-N 0.000 claims description 2
- WXNRYSGJLQFHBR-UHFFFAOYSA-N bis(2,4-dihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1O WXNRYSGJLQFHBR-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920006295 polythiol Polymers 0.000 claims description 2
- 238000001914 filtration Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 3
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 2
- 208000003351 Melanosis Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 208000002177 Cataract Diseases 0.000 description 1
- 206010008570 Chloasma Diseases 0.000 description 1
- 206010014970 Ephelides Diseases 0.000 description 1
- 208000010412 Glaucoma Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010047513 Vision blurred Diseases 0.000 description 1
- 206010064930 age-related macular degeneration Diseases 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- SODJJEXAWOSSON-UHFFFAOYSA-N bis(2-hydroxy-4-methoxyphenyl)methanone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=C(OC)C=C1O SODJJEXAWOSSON-UHFFFAOYSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 201000001883 cholelithiasis Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000001130 gallstones Diseases 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000002780 macular degeneration Diseases 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
-
- 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
Definitions
- the invention belongs to the field of resin lenses, and more specifically relates to a resin lens with enhanced anti-blue light performance and a preparation method thereof.
- Blue light refers to light with a wavelength of 380-500 nanometers. Blue light is a kind of visible light with short wavelength and high energy, which can directly penetrate the lens and reach the retina of the fundus. Among them, short-wave blue light with a wavelength of 440-470 nanometers is the most harmful to the retina. What harm does blue light do to the human body? 1. Excessive blue light or long-term exposure to blue light can cause blurred vision, visual fatigue, and VDT syndrome; 2. Excessive blue light or long-term exposure to blue light can cause vision loss or even complete loss; 3. Blue light directly reaches the retina 1. Cause age-related macular degeneration, glaucoma, cataract; 4. Blue light stimulates melanin, resulting in uneven skin tone, forming chloasma and freckles; Affect sleep quality, cause low work efficiency, cause major diseases such as depression, gallstones, and cancer.
- the object of the present invention is to address the above deficiencies and provide a resin lens with enhanced anti-blue light performance (UV++plus) and a preparation method thereof, which can enhance the anti-blue light performance of the lens within the full refractive index range of the lens.
- a resin lens with enhanced anti-blue light performance the light transmittance of the lens is lower than 1% at 415nm, 4.5-5.5% at 420nm, 18-22% at 425nm, and blue light transmittance at 380-500nm
- the ratio is between 20-30%, and the transmittance of visible light is greater than 88%.
- the refractive index of the lens can be 1.50, 1.56, 1.60, 1.67 or 1.74.
- the raw material of the lens includes a main raw material and an anti-blue light absorber
- the main raw material includes a monomer and a reaction auxiliary agent
- the reaction auxiliary agent is an initiator or a catalyst
- the anti-blue light absorber includes methacrylate Ester anti-blue light absorbers also include other anti-blue light absorbers, and other anti-blue light absorbers are benzophenone anti-blue light absorbers or benzotriazole anti-blue light absorbers.
- the enhanced anti-blue light resin lens with a refractive index of 1.50 the lens monomer is diethylene glycol allyl carbonate and its polymer, and the initiator is 1,1-di-tert-butyl peroxide-3 ,3,5-trimethylcyclohexane;
- the reinforced anti-blue light performance resin lens with a refractive index of 1.60 and 1.67 the lens monomer is polyurethane raw material, and the catalyst is an organotin catalyst;
- the enhanced anti-blue light performance resin lens with a refractive index of 1.74 the lens monomer is an episulfide compound or a polythiol compound, and the catalyst is an amine catalyst.
- the resin lens with enhanced anti-blue light performance with a refractive index of 1.50 has a monomer-to-initiator mass ratio of 100:(2-5);
- the reinforced anti-blue light performance resin lens with a refractive index of 1.56 has a monomer-to-initiator mass ratio of 100:(0.1-0.8);
- the mass ratio of the monomer to the catalyst of the enhanced anti-blue light performance resin lens with a refractive index of 1.74 is 100:(0.02-0.1).
- the methyl enoate anti-blue light absorber is methyl ethyl-2-cyano-3-(4-hydroxy-3-methoxyphenyl)-2-enoate;
- the enhanced anti-blue light resin lens with a refractive index of 1.50 the amount of the methyl acrylate anti-blue light absorber is 0.5-5% of the monomer mass, preferably 1-3%;
- the amount of the methyl acrylate anti-blue light absorber is 0.01-1% of the monomer mass, preferably 0.1-0.8% .
- the anti-blue light absorber also includes a benzophenone anti-blue light absorber; the amount of the benzophenone anti-blue light absorber is 2-8% of body weight, preferably 2.5-5%;
- the anti-blue light absorber in the raw materials of the reinforced anti-blue light performance resin lens with a refractive index of 1.56, 1.60, 1.67 or 1.74, also includes a benzotriazole anti-blue light absorber; the benzotriazole The amount of the anti-blue light absorber is 0.1-2% of the mass of the monomer, preferably 0.5-1.5%.
- the benzophenone anti-blue light absorbing agent is 2-hydroxyl-4-methoxybenzophenone, 2-hydroxyl-4-octyloxybenzophenone, 2,2'-dihydroxy -4,4'-dimethoxybenzophenone, 2,2',4,4'-tetrahydroxy-benzophenone or 2,2'-hydroxy-4-methoxybenzophenone any one or several of
- the benzotriazole anti-blue light absorbing agent is 2-(2-hydroxyl-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxyl-3 ',5'-Di-tert-butylphenyl)-5-chlorobenzotriazole; 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole azole, 2-(2'-hydroxy-3',5'-di-tert-amylphenyl)benzotriazole and 2-(2'-hydroxy-5'-tertoctylphenyl)benzotriazole kind of.
- the raw material of the lens also includes a blue-red color complementing agent, a resin lens with enhanced anti-blue light performance with a refractive index of 1.50, the blue-red color complementing agent used is an inorganic dye, and the amount added is the monomer mass 0.01 to 0.5% of 0.01 to 0.5% of the resin lens with a refractive index of 1.56, 1.60, 1.67 or 1.74 to enhance anti-blue light performance.
- a blue-red color complementing agent used is an inorganic dye
- the amount added is the monomer mass 0.01 to 0.5% of 0.01 to 0.5% of the resin lens with a refractive index of 1.56, 1.60, 1.67 or 1.74 to enhance anti-blue light performance.
- the preparation method of the above-mentioned resin lens with enhanced anti-blue light performance comprises the following steps:
- additives include a blue-red color complement and a release agent.
- the stirring temperature of the raw materials for lenses with a refractive index of 1.50 or 1.56 is 20-40°C, and the stirring temperature of the raw materials for lenses with other refractive indices is 8-10°C.
- the resin lens with enhanced anti-blue light performance prepared by the present invention can enhance the anti-blue light performance within the full refractive index range of the lens, and the transmittance at 415nm is lower than 1%, the transmittance at 420nm is about 5%, and the transmittance at 425nm is in the range of 1%.
- the 380-500nm blue light transmittance is between 20-30%, the visible light transmittance is greater than 85%, and the yellowness index is less than 15%; and meet the national standard GB/T 38120-2019 regulations on harmful blue light and beneficial blue light Transmittance requirements.
- the invention develops a new methyl acrylate anti-blue light absorber, which is used in conjunction with the existing anti-blue light absorber to ensure the transmittance of visible light while enhancing the anti-blue light performance.
- a resin lens with enhanced anti-blue light performance with a refractive index of 1.50 Its raw materials include 100 kg of monomer diethylene glycol allyl carbonate and its polymer, and the initiator is 1,1-di-tert-butyl peroxide-3,3 , 3kg of 5-trimethylcyclohexane, anti-blue light absorber is 3kg of 2-hydroxy-4-methoxybenzophenone and ethyl-2-cyano-3-(4-hydroxy-3-methoxy phenyl)-2-enoic acid methyl ester 1kg, and the blue-red color complementing agent is 0.3kg of inorganic dye.
- a kind of reinforced anti-blue light performance resin lens with a refractive index of 1.56 Its raw materials include 100 kg of unsaturated acrylate monomers, 0.3 kg of azobisisobutyronitrile as an initiator, and 2-(2-hydroxyl-3 - tert-butyl-5-methylphenyl)-5-chlorobenzotriazole 1kg and ethyl-2-cyano-3-(4-hydroxy-3-methoxyphenyl)-2-enoic acid 0.5kg of methyl ester, 0.5kg of organic dye as the blue-red color complementing agent.
- a resin lens with enhanced anti-blue light performance with a refractive index of 1.60 The raw materials include 100 kg of polyurethane monomer, 0.05 kg of organotin catalyst, and 2-(2'-hydroxyl-3',5'-di Tert-butylphenyl)-5-chlorobenzotriazole 0.8kg and ethyl-2-cyano-3-(4-hydroxyl-3-methoxyphenyl)-2-enoic acid methyl ester 0.3kg,
- the blue-red color complement is 0.7kg of organic dye.
- a reinforced anti-blue light resin lens with a refractive index of 1.67 the raw materials of which include 100 kg of polyurethane monomer, 0.05 kg of organotin catalyst, and 2-(2'-hydroxy-3',5'-di Tert-butylphenyl)-5-chlorobenzotriazole 1.2kg and ethyl-2-cyano-3-(4-hydroxyl-3-methoxyphenyl)-2-enoic acid methyl ester 0.6kg,
- the blue-red color complement is 0.1kg of organic dye.
- a resin lens with enhanced anti-blue light performance with a refractive index of 1.74 The raw materials include 100 kg of episulfide compound monomers, 0.08 kg of amine catalysts, and 2-(2'-hydroxyl-3',5'- Di-tert-butylphenyl)-5-chlorobenzotriazole 1kg and ethyl-2-cyano-3-(4-hydroxy-3-methoxyphenyl)-2-enoic acid methyl ester 0.2kg ,
- the blue-red color supplement is 0.3kg of organic dye.
- the enhanced anti-blue light resin lens prepared in the embodiment of the present invention further enhances the anti-blue light performance of the lens on the basis of meeting the requirements of the national standard, while ensuring the transmittance of visible light.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Optical Filters (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Eyeglasses (AREA)
Abstract
加强防蓝光性能的树脂镜片的415nm光透过率低于1%,420nm光透过率为1.0~5.0%,425nm光透过率为15~25%,380~500nm蓝光透射比在20~30%之间,可见光透过率大于88%,所述镜片的折射率为1.50、1.56、1.60、1.67或1.74;还提供上述镜片的制备方法。
Description
本发明属于树脂镜片领域,更具体地,涉及一种加强防蓝光性能的树脂镜片及其制备方法。
蓝光,是指波长在380-500纳米的光线。蓝光是一种可见光,蓝光波短、能量高,能够直接穿透晶状体直达眼底视网膜上。其中波长440-470纳米之间的短波蓝光对视网膜的危害程度最大。蓝光对人体有哪些伤害呢?1、蓝光过强或长期在蓝光的作用下可引发视觉模糊,导致视觉疲劳,引起VDT综合症;2、蓝光过强或长期在蓝光的作用下引发视力下降甚至完全丧失;3、蓝光直达视网膜、引起老年性黄斑变性,青光眼,白内障;4、蓝光激发黑色素,导致肤色不均,形成黄褐斑、雀斑;5、蓝光抑制褪黑激素分泌,破坏人体激素平衡,导致人体免疫力下降,严重影响睡眠质量,造成工作效率低下,引发抑郁症、胆结石、癌症等重大疾病。
我国学生近视呈现高发、低龄化趋势,严重影响孩子们的身心健康,这是一个关系国家和民族未来的大问题,必须高度重视,不能任其发展。全社会都要行动起来,共同呵护好孩子的眼睛。
2019年为了规范市场上防蓝光镜片的标准,国家颁布了GB/T38120-2019题为《蓝光防护膜的光健康与光安全应用技术要求》。目前,市面上的防蓝光树脂镜片有很多种,不同折射率的树脂镜片防蓝光效果不一样,但是整体防蓝光效果偏低,只是在趁市场热点来赢得销售。
发明内容
本发明的目的是针对以上不足,提供一种加强防蓝光性能(UV++plus) 的树脂镜片及其制备方法,可以在镜片的全折射率范围内,增强镜片的防蓝光性能。
为实现上述目的,本发明是通过以下技术方案实现的:
一种加强防蓝光性能的树脂镜片,该镜片的415nm光透过率低于1%,420nm光透过率为4.5~5.5%,425nm光透过率为18~22%,380~500nm蓝光透射比在20~30%之间,可见光透过率大于88%;所述镜片的折射率可以为1.50、1.56、1.60、1.67或1.74。
优选的,所述镜片的原料包括主原料和防蓝光吸收剂,所述主原料包括单体和反应助剂,所述反应助剂为引发剂或催化剂,所述防蓝光吸收剂包括烯酸甲酯类防蓝光吸收剂,还包括其他防蓝光吸收剂,其他防蓝光吸收剂为二苯甲酮类防蓝光吸收剂或苯并三唑类防蓝光吸收剂。
优选的,所述折射率为1.50的加强防蓝光性能树脂镜片,其镜片单体为二甘醇碳酸烯丙酯及其多聚物,引发剂为1,1-二叔丁基过氧化-3,3,5-三甲基环己烷;
所述折射率为1.56的加强防蓝光性能树脂镜片,其镜片单体为不饱和丙烯酸酯,引发剂为偶氮二异丁腈;
所述折射率为1.60和1.67的加强防蓝光性能树脂镜片,其镜片单体为聚氨酯原料,催化剂为有机锡类催化剂;
所述折射率为1.74的加强防蓝光性能树脂镜片,其镜片单体为环硫化合物或聚硫醇化合物,催化剂为胺类催化剂。
优选的,所述所述折射率为1.50的加强防蓝光性能树脂镜片,其单体与引发剂的质量比为100:(2~5);
所述折射率为1.56的加强防蓝光性能树脂镜片,其单体与引发剂的质量比为100:(0.1~0.8);
所述折射率为1.60的加强防蓝光性能树脂镜片,其单体与催化剂的质 量比为100:(0.01~0.08);
所述折射率为1.67的加强防蓝光性能树脂镜片,其单体与催化剂的质量比为100:(0.01~0.08);
所述折射率为1.74的加强防蓝光性能树脂镜片,其单体与催化剂的质量比为100:(0.02~0.1)。
优选的,所述烯酸甲酯类防蓝光吸收剂是乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯;
所述折射率为1.50的加强防蓝光性能树脂镜片,所述烯酸甲酯类防蓝光吸收剂的用量是单体质量的0.5~5%,优选为1~3%;
所述,折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片,所述烯酸甲酯类防蓝光吸收剂的用量是单体质量的0.01~1%,优选为0.1~0.8%。
优选的,所述折射率为1.50的加强防蓝光性能树脂镜片的原料中,其防蓝光吸收剂还包括二苯甲酮类防蓝光吸收剂;二苯甲酮类防蓝光吸收剂的用量为单体质量的2~8%,优选为2.5~5%;
优选的,所述折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片的原料中,其防蓝光吸收剂还包括苯并三唑类防蓝光吸收剂;所述苯并三唑类防蓝光吸收剂的用量是单体质量的0.1~2%,优选为0.5~1.5%。
优选的,所述二苯甲酮类防蓝光吸收剂是2-羟基-4-甲氧基二苯甲酮、2-羟基-4-辛氧基二苯甲酮、2,2’-二羟基-4,4’-二甲氧基二苯甲酮、2,2’,4,4’-四羟基-二苯甲酮或2,2’-羟基-4-甲氧基二苯甲酮中的任意一种或者几种;
所述苯并三唑类防蓝光吸收剂是2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯苯并三唑、2-(2'-羟基-3',5'-二特丁基苯基)-5-氯苯并三唑;2-(2'-羟基-3',5'-二叔丁基苯基)-5-氯代苯并三唑、2-(2'-羟基-3',5'-二叔戊基苯基)苯并三唑和2-(2'-羟基-5'-特辛基苯基)苯并三唑中的一种。
优选的,为避免镜片太黄,所述镜片的原料还包括蓝红补色剂,折射 率为1.50的加强防蓝光性能树脂镜片,使用的蓝红补色剂是无机类染料,添加量是单体质量的0.01~0.5%;折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片,使用的蓝红补色剂是有机类染料,添加量是单体质量的0.05~1%。
上述的加强防蓝光性能的树脂镜片的制备方法,包括以下步骤:
将防蓝光吸收剂,和催化剂或引发剂,溶解在单体中,再加入其他添加剂,混合均匀,在一定的温度条件下搅拌30~60min后,真空下静止30~45min;
将上述配制完成的料过滤后注入模具中密封;
将浇完料的模具先后进行第一次固化和第二次固化;
固化完成后,倒边清洗,再进行加硬、镀绿膜。
上述方法中,其他添加剂包括蓝红补色剂和脱模剂。
上述方法中,折射率为1.50或1.56的镜片,其原料搅拌温度为20~40℃,其他折射率的镜片原料搅拌温度为8~10℃。
与现有技术相比,本发明的有益效果为:
本发明所制备的加强防蓝光性能的树脂镜片,可以在镜片的全折射率范围内增强防蓝光性能,415nm透过率低于1%,420nm透过率在5%左右,425nm透过率在20%左右,380~500nm蓝光透射比在20~30%之间,可见光透过率大于85%,黄色指数小于15%;并且符合国标GB/T 38120-2019种规定的有害蓝光和有益蓝光的透过率要求。
本发明开发了新的烯酸甲酯类防蓝光吸收剂,与现有的防蓝光吸收剂配合使用,在增强防蓝光性能的同时,保证可见光的透过率。
下面将结合具体实施例更详细地描述本发明的优选实施方式。
实施例1
一种折射率为1.50的加强防蓝光性能树脂镜片,其原料包括单体二甘醇碳酸烯丙酯及其多聚物100kg,引发剂为1,1-二叔丁基过氧化-3,3,5-三甲基环己烷3kg,防蓝光吸收剂为2-羟基-4-甲氧基二苯甲酮3kg和乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯1kg,蓝红补色剂为无机染料0.3kg。
其制备方法包括如下步骤:
(1)将防蓝光吸收剂和引发剂溶解在单体中,再加入无机染料以及脱模剂混合均匀,在25℃下搅拌30~60min后,真空下静止30~45min;
(2)将步骤(1)中配制完成的料过滤后注入模具中密封;
(3)将步骤(2)中浇完料的模具先后进行第一次固化和第二次固化。
(4)固化好后,倒边清洗,再进行加硬、镀绿膜。
实施例2
一种折射率为1.56的加强防蓝光性能树脂镜片,其原料包括单体不饱和丙烯酸酯100kg,引发剂为偶氮二异丁腈0.3kg,防蓝光吸收剂为2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯苯并三唑1kg和乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯0.5kg,蓝红补色剂为有机染料0.5kg。
其制备方法包括如下步骤:
(1)将防蓝光吸收剂和引发剂溶解在单体中,再加入有机染料以及脱模剂混合均匀,在30℃下搅拌30~60min后,真空下静止30~45min;
(2)将步骤(1)中配制完成的料过滤后注入模具中密封;
(3)将步骤(2)中浇完料的模具先后进行第一次固化和第二次固化。
(4)固化好后,倒边清洗,再进行加硬、镀绿膜。
实施例3
一种折射率为1.60的加强防蓝光性能树脂镜片,其原料包括,聚氨酯单体100kg,有机锡类催化剂0.05kg,防蓝光吸收剂为2-(2'-羟基-3',5'-二特丁基苯基)-5-氯苯并三唑0.8kg和乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯0.3kg,蓝红补色剂为有机染料0.7kg。
其制备方法包括如下步骤:
(1)将防蓝光吸收剂和催化剂溶解在单体中,再加入有机染料以及脱模剂混合均匀,在8℃下搅拌30~60min后,真空下静止30~45min;
(2)将步骤(1)中配制完成的料过滤后注入模具中密封;
(3)将步骤(2)中浇完料的模具先后进行第一次固化和第二次固化。
(4)固化好后,倒边清洗,再进行加硬、镀绿膜。
实施例4
一种折射率为1.67的加强防蓝光性能树脂镜片,其原料包括,聚氨酯单体100kg,有机锡类催化剂0.05kg,防蓝光吸收剂为2-(2'-羟基-3',5'-二特丁基苯基)-5-氯苯并三唑1.2kg和乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯0.6kg,蓝红补色剂为有机染料0.1kg。
其制备方法包括如下步骤:
(1)将防蓝光吸收剂和催化剂溶解在单体中,再加入有机染料以及脱模剂混合均匀,在10℃下搅拌30~60min后,真空下静止30~45min;
(2)将步骤(1)中配制完成的料过滤后注入模具中密封;
(3)将步骤(2)中浇完料的模具先后进行第一次固化和第二次固化。
(4)固化好后,倒边清洗,再进行加硬、镀绿膜。
实施例5
一种折射率为1.74的加强防蓝光性能树脂镜片,其原料包括,环硫化合物单体100kg,胺类催化剂0.08kg,防蓝光吸收剂为2-(2'-羟基-3',5'-二叔丁基苯基)-5-氯代苯并三唑1kg和乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯0.2kg,蓝红补色剂为有机染料0.3kg。
其制备方法包括如下步骤:
(1)将防蓝光吸收剂和催化剂溶解在单体中,再加入有机染料以及脱模剂混合均匀,在10℃下搅拌30~60min后,真空下静止30~45min;
(2)将步骤(1)中配制完成的料过滤后注入模具中密封;
(3)将步骤(2)中浇完料的模具先后进行第一次固化和第二次固化。
(4)固化好后,倒边清洗,再进行加硬、镀绿膜。
上述实施例制备的树脂镜片,其光学性能如表1所示。
表1实施例所述树脂镜片的光学性能
根据上述数据可知,本发明实施例所制备的加强防蓝光树脂镜片,在符合国标要求的基础上,进一步增强镜片的防蓝光性能,同时保证可见光的透过率。
以上已经描述了本发明的各实施例,上述说明是示例性的,并非穷尽性的,并且也不限于所披露的各实施例。在不偏离所说明的各实施例的范围和技术原理的情况下,对于本技术领域的普通技术人员来说许多修改和变更都是显而易见的,这些修改和变更也应视为本发明的保护范围。
Claims (10)
- 一种加强防蓝光性能的树脂镜片,其特征在于,该镜片的415nm光透过率低于1%,420nm光透过率为1.0~5.0%,425nm光透过率为15~25%,380~500nm蓝光透射比在20~30%之间,可见光透过率大于88%,所述镜片的折射率为1.50、1.56、1.60、1.67或1.74。
- 根据权利要求1所述的加强防蓝光性能树脂镜片,其特征在于,所述镜片基体的原料包括主原料和防蓝光吸收剂,所述主原料包括单体和反应助剂,所述反应助剂为引发剂或催化剂,所述防蓝光吸收剂包括烯酸甲酯类防蓝光吸收剂。
- 根据权利要求2所述的加强防蓝光性能树脂镜片,其特征在于,所述折射率为1.50的加强防蓝光性能树脂镜片,其镜片单体为二甘醇碳酸烯丙酯及其多聚物,引发剂为1,1-二叔丁基过氧化-3,3,5-三甲基环己烷;所述折射率为1.56的加强防蓝光性能树脂镜片,其镜片单体为不饱和丙烯酸酯,引发剂为偶氮二异丁腈;所述折射率为1.60和1.67的加强防蓝光性能树脂镜片,其镜片单体为聚氨酯原料,催化剂为有机锡类催化剂;所述折射率为1.74的加强防蓝光性能树脂镜片,其镜片单体为环硫化合物或聚硫醇化合物,催化剂为胺类催化剂。
- 根据权利要求3所述的加强防蓝光性能树脂镜片,其特征在于,所述所述折射率为1.50的加强防蓝光性能树脂镜片,其单体与引发剂的质量比为100:(2~5);所述折射率为1.56的加强防蓝光性能树脂镜片,其单体与引发剂的质量比为100:(0.1~0.8);所述折射率为1.60的加强防蓝光性能树脂镜片,其单体与催化剂的质量比为100:(0.01~0.08);所述折射率为1.67的加强防蓝光性能树脂镜片,其单体与催化剂的质 量比为100:(0.01~0.08);所述折射率为1.74的加强防蓝光性能树脂镜片,其单体与催化剂的质量比为100:(0.02~0.1)。
- 根据权利要求2所述的加强防蓝光性能树脂镜片,其特征在于,所述烯酸甲酯类防蓝光吸收剂是乙基-2-氰基-3-(4-羟基-3-甲氧基苯基)-2-烯酸甲酯;所述折射率为1.50的加强防蓝光性能树脂镜片,所述烯酸甲酯类防蓝光吸收剂的用量是单体质量的0.5~5%,优选为1~3%;所述,折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片,所述烯酸甲酯类防蓝光吸收剂的用量是单体质量的0.01~1%,优选为0.1~0.8%。
- 根据权利要求2所述的加强防蓝光性能树脂镜片,其特征在于,所述折射率为1.50的加强防蓝光性能树脂镜片的原料中,其防蓝光吸收剂还包括二苯甲酮类防蓝光吸收剂;所述折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片的原料中,其防蓝光吸收剂还包括苯并三唑类防蓝光吸收剂。
- 根据权利要求6所述的加强防蓝光性能树脂镜片,其特征在于,所述折射率为1.50的加强防蓝光性能树脂镜片,二苯甲酮类防蓝光吸收剂的用量为单体质量的2~8%,优选为2.5~5%;所述,折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片,苯并三唑类防蓝光吸收剂的用量是单体质量的0.1~2%,优选为0.5~1.5%;。
- 根据权利要求6所述的加强防蓝光性能树脂镜片,其特征在于,所述二苯甲酮类防蓝光吸收剂是2-羟基-4-甲氧基二苯甲酮、2-羟基-4-辛氧基二苯甲酮、2,2’-二羟基-4,4’-二甲氧基二苯甲酮、2,2’,4,4’-四羟基-二苯甲酮或2,2’-羟基-4-甲氧基二苯甲酮中的任意一种或者几种;所述苯并三唑类防蓝光吸收剂是2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯 苯并三唑、2-(2'-羟基-3',5'-二特丁基苯基)-5-氯苯并三唑;2-(2'-羟基-3',5'-二叔丁基苯基)-5-氯代苯并三唑、2-(2'-羟基-3',5'-二叔戊基苯基)苯并三唑和2-(2'-羟基-5'-特辛基苯基)苯并三唑中的一种。
- 根据权利要求2所述的一种加强防蓝光性能的树脂镜片,其特征在于,所述镜片基体的原料还包括蓝红补色剂,折射率为1.50的加强防蓝光性能树脂镜片,使用的蓝红补色剂是无机类染料,添加量是单体质量的0.01~0.5%;折射率为1.56、1.60、1.67或1.74的加强防蓝光性能树脂镜片,使用的蓝红补色剂是有机类染料,添加量是单体质量的0.05~1%。
- 权利要求1~9中任意一项所述的加强防蓝光性能的树脂镜片的制备方法,其特征在于,包括以下步骤:将防蓝光吸收剂和反应助剂,溶解在单体中,再加入其他添加剂,混合均匀,在一定的温度条件下搅拌30~60min后,真空下静止30~45min;将上述配制完成的料过滤后注入模具中密封;将浇完料的模具先后进行第一次固化和第二次固化;固化完成后,倒边清洗,再进行加硬、镀绿膜。
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