KR20220159095A - Blue light blocking multi-porousity color contact lens manufacturing method - Google Patents
Blue light blocking multi-porousity color contact lens manufacturing method Download PDFInfo
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- KR20220159095A KR20220159095A KR1020210067004A KR20210067004A KR20220159095A KR 20220159095 A KR20220159095 A KR 20220159095A KR 1020210067004 A KR1020210067004 A KR 1020210067004A KR 20210067004 A KR20210067004 A KR 20210067004A KR 20220159095 A KR20220159095 A KR 20220159095A
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- blue light
- light blocking
- upper mold
- contact lens
- lens
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002981 blocking agent Substances 0.000 claims abstract description 12
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 5
- 239000002504 physiological saline solution Substances 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 230000000887 hydrating effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VCYCUECVHJJFIQ-UHFFFAOYSA-N 2-[3-(benzotriazol-2-yl)-4-hydroxyphenyl]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 VCYCUECVHJJFIQ-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- WUOACPNHFRMFPN-SECBINFHSA-N (S)-(-)-alpha-terpineol Chemical compound CC1=CC[C@@H](C(C)(C)O)CC1 WUOACPNHFRMFPN-SECBINFHSA-N 0.000 description 1
- LLLWMXQKXWIRDZ-UHFFFAOYSA-N 1-ethenylpyrrolidin-2-one Chemical compound C=CN1CCCC1=O.C=CN1CCCC1=O LLLWMXQKXWIRDZ-UHFFFAOYSA-N 0.000 description 1
- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 1
- HOFODIXLYOLQOA-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N.N#CC(C)(C)N=NC(C)(C)C#N HOFODIXLYOLQOA-UHFFFAOYSA-N 0.000 description 1
- YXXJOXABPCJAJV-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound N(=NC(C#N)(CC(C)C)C)C(C#N)(CC(C)C)C.N(=NC(C#N)(CC(C)C)C)C(C#N)(CC(C)C)C YXXJOXABPCJAJV-UHFFFAOYSA-N 0.000 description 1
- WNXTZVMMNCCZTP-UHFFFAOYSA-N 2-hydroxyethyl 2-methylprop-2-enoate 5-hydroxy-2-methylpent-2-enoic acid Chemical compound OCCC=C(C(=O)O)C.C(C(=C)C)(=O)OCCO WNXTZVMMNCCZTP-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 101100346189 Caenorhabditis elegans mpc-1 gene Proteins 0.000 description 1
- 102100026735 Coagulation factor VIII Human genes 0.000 description 1
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- -1 Methacryloyloxyethylphosphorylcholine (2-Methacryloyloxyethyl phosphorylcholine) Glycerine monomethacrylate Chemical compound 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003761 preservation solution Substances 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000001060 yellow colorant Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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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
- B29D11/00038—Production of contact lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C37/0032—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied upon the mould surface before introducing the moulding compound, e.g. applying a gelcoat
-
- 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
- B29D11/0048—Moulds for lenses
-
- 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
- B29D11/00865—Applying coatings; tinting; colouring
- B29D11/00894—Applying coatings; tinting; colouring colouring or tinting
-
- 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
- B29D11/00865—Applying coatings; tinting; colouring
- B29D11/00923—Applying coatings; tinting; colouring on lens surfaces for colouring or tinting
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
Abstract
Description
본발명은 다공성 청색광 영역차단 컬러 콘택트렌즈 제조방법에 관한 것으로, 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 렌즈 원료에 포함시키는 청광차단제의 함량변화에 의해 청광차단율을 조절할 수 있으며, 또한, 원재료 레시피에 Sodium Carbonate 액을 투여하여 습윤성 및 함수율을 증가시키는 다공성 하이드로겔 렌즈를 만드는 청색광 영역차단 컬러 콘택트렌즈 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a porous blue light region blocking color contact lens, the manufacturing process is simple, the effect of blocking blue light is large, the lifespan of the blue light blocking layer is long, and the content change of the blue light blocking agent included in the lens raw material It relates to a method for manufacturing a blue light region blocking color contact lens, in which the blue light blocking rate can be adjusted, and a porous hydrogel lens that increases wettability and moisture content is made by administering sodium carbonate solution to the raw material recipe.
일반적으로 가시광선 내에서 있는 400 ~ 450nm의 파장의 청색광(bluelight)은 눈에 매우 유해하므로 콘택트렌즈 제조에서도 이를 차단하기 위한 기술이 개발되어 왔고, 종래특허기술의 일례로서, 등록특허공보 등록번호 10-2079998호에는 블루라이트 차단 콘택트렌즈 제조 방법에 있어서, 블루라이트 차단 잉크(B)를 제조하는 제 1단계(S10);와In general, since blue light with a wavelength of 400 to 450 nm in visible light is very harmful to the eyes, a technology for blocking it has been developed in the manufacture of contact lenses. As an example of conventional patent technology, Registered Patent Publication Registration No. -2079998, in a method for manufacturing blue light blocking contact lenses, a first step (S10) of manufacturing blue light blocking ink (B); and
블루라이트 차단 잉크(B)를 동공의 위치와 대응되는 하형몰드 또는 상형몰드 부분에 점착하여 인쇄하는 제 2단계(S20);와A second step (S20) of printing by attaching the blue light blocking ink (B) to the lower mold or upper mold portion corresponding to the position of the pupil;
하형몰드에 교반한 렌즈 원료를 넣는 제 3단계(S30);와A third step (S30) of putting the stirred lens raw material into the lower mold; and
상형몰드와 하형몰드를 압착하여 60~140℃의 열에 60~90분 동안 중합하거나 또는 IR(InfraRed), UV(UltraViolet) 파장을 이용하여 10~30분 중합하는 방법 중 선택적으로 사용하는 제 4단계(S40);와4th step selectively using the method of compressing the upper and lower molds and polymerizing them at 60~140℃ for 60~90 minutes or using IR(InfraRed) or UV(UltraViolet) wavelengths for 10~30 minutes. (S40); and
상기의 상형몰드와 하형몰드를 분리하여 콘택트렌즈를 취득한 후 염화나트륨 0.9% 생리식염수에 7~25시간 동안 수화시킨 후 콘택트렌즈 보존액에 보관하는 제 5단계(S50);로 이루어지고 상기 제 1단계(S10)의 블루라이트 차단 잉크(B)는 바인더로써 렌즈에 탄성을 부여하며 수분을 흡수하는 습윤성 우레탄과 블루라이트 차단 기능의 황색 착색료(Y)와 프린팅 작업을 위한 점도조절용 용제인 Cyclohexanone 또는 Cyclopentanone, γ-Butyrolactone, a-terpineol, butyl acetate, Propylene Glycol monomethyl ether acetate 중에서 선택적으로 사용되고, 바인더와 바인더 또는 착색료와 바인더에 공유결합을 부여하여 연결시키는 가교제가 첨가되어 구성되는 것을 특징으로 하는 블루라이트 차단 콘택트렌즈 제조 방법이 공개되어 있다.A fifth step (S50) of separating the upper and lower molds to obtain a contact lens, hydrating it in sodium chloride 0.9% physiological saline for 7 to 25 hours, and then storing it in a contact lens preservation solution; and the first step ( The blue light blocking ink (B) of S10) is a binder that provides elasticity to the lens and absorbs moisture, a yellow colorant (Y) that blocks blue light, and Cyclohexanone or Cyclopentanone, a solvent for viscosity control for printing, γ -A blue light blocking contact lens characterized in that it is selectively used among butyrolactone, a-terpineol, butyl acetate, and propylene glycol monomethyl ether acetate, and is composed of a binder and a binder or a coloring agent and a crosslinking agent that connects the binder by giving a covalent bond. Manufacturing methods are disclosed.
또한 등록특허공보 등록번호 10-2149838호에는 블루라이트 차단 콘택트 렌즈 제조방법이 공개되어 있다.In addition, Patent Registration Registration No. 10-2149838 discloses a method for manufacturing a blue light blocking contact lens.
그러나 상기 종래기술들은 블루라이트 차단방법이 복잡하며, 차단효과가 낮고, 차단층의 수명이 짧아 비경제적인 문제점이 여전히 남아 있었다.However, the prior art still has uneconomical problems in that the blue light blocking method is complicated, the blocking effect is low, and the lifespan of the blocking layer is short.
따라서 본발명은 상기와 같은 문제점을 해결하고자 안출된 것으로, 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 렌즈 원료에 포함시키는 청광차단제의 함량변화에 의해 청광차단율을 조절할 수 있는 청색광 영역차단 컬러 콘택트렌즈 제조방법을 제공하고자 하는 것이다.Therefore, the present invention has been made to solve the above problems, the manufacturing process is simple, the effect of blocking blue light is large, the lifespan of the blue light blocking layer is long, and the change in the content of the blue light blocking agent included in the lens raw material It is intended to provide a method for manufacturing a blue light region blocking color contact lens capable of adjusting the blue light blocking rate by
본발명은 다공성 청색광 영역차단 컬러 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 안료를 사용하여 홍채 모양으로 인쇄층을 인쇄하는 단계;The present invention relates to a method for manufacturing a porous blue light region blocking color contact lens, comprising the steps of printing a print layer in an iris shape using a pigment on an upper mold using a silicon pad;
상몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;heat-treating the upper mold at a temperature of 80 to 130° C. for 20 to 90 minutes;
청광차단제를 포함하는 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분간 열중합하는 단계;를 포함하는 것을 특징으로 한다.It is characterized by including; after injecting the lens raw material containing the blue light blocking agent into the lower mold, combining the upper mold and thermally polymerizing the upper mold at a temperature of 100 to 130 ° C for 20 to 80 minutes.
따라서 본발명은 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 렌즈 원료에 포함시키는 청광차단제의 함량변화에 의해 청광차단율을 조절할 수 있는 현저한 효과가 있다.Therefore, the present invention has a simple manufacturing process, a large effect of blocking blue light, a long lifespan of the blue light blocking layer, and a remarkable effect of adjusting the blue light blocking rate by changing the content of the blue light blocking agent included in the lens raw material. .
도 1은 본발명의 청색광 영역차단 컬러 콘택트렌즈 제조방법 순서도1 is a flow chart of a method for manufacturing a blue light region blocking color contact lens of the present invention
본발명은 청색광 영역차단 컬러 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 안료를 사용하여 홍채 모양으로 인쇄층을 인쇄하는 단계;The present invention relates to a method for manufacturing a blue light region blocking color contact lens, comprising the steps of printing a print layer in an iris shape using a pigment on an upper mold using a silicon pad;
상몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;heat-treating the upper mold at a temperature of 80 to 130° C. for 20 to 90 minutes;
청광차단제를 포함하는 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분간 열중합하는 단계;를 포함하는 것을 특징으로 한다.It is characterized by including; after injecting the lens raw material containing the blue light blocking agent into the lower mold, combining the upper mold and thermally polymerizing the upper mold at a temperature of 100 to 130 ° C for 20 to 80 minutes.
또한, 상기 하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 한다.In addition, the step of separating the lens polymerized from the lower mold and the upper mold and hydrating it in sodium chloride 0.9% physiological saline; characterized in that it comprises a.
또한, 상기 콘택트렌즈를 제조하기 위한 렌즈원료인 중합 조성물로 천수성 모노머, 청광차단제, 가교제 및 개시제를 포함하여 구성되는 것을 특징으로 한다.In addition, it is characterized in that it is composed of a hydrophobic monomer, a blue light blocking agent, a crosslinking agent and an initiator as a polymeric composition, which is a lens raw material for manufacturing the contact lens.
본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다. The present invention will be described in detail with reference to the accompanying drawings.
도 1은 본발명의 청색광 영역차단 컬러 콘택트렌즈 제조방법 순서도이다.1 is a flowchart of a method for manufacturing a blue light region blocking color contact lens according to the present invention.
본발명의 콘택트렌즈를 제조하기 위한 중합 조성물로 2-하이드록시에틸메타크릴레이트(2-Hydroxyethyl Methacrylate)As a polymeric composition for preparing the contact lens of the present invention, 2-hydroxyethyl methacrylate (2-Hydroxyethyl Methacrylate)
1-바이닐-2-피롤리돈(N-Vinyl-2-pyrrolidon)1-vinyl-2-pyrrolidone (N-Vinyl-2-pyrrolidone)
메타크릴로일옥시에틸포스포릴콜린 (2-Methacryloyloxyethyl phosphorylcholine)글리세린모노메타크릴레이트 (Glycerine mono methacrylate),글리시딜메타크릴레이트 (Glycidyl Methacrylate), 메타크릴산(Methacrylic acid), 4-[(이)-페닐디아제닐]페닐-2-메타크릴레이트 (4-[(E)-phenyldiazenyl] phenyl-2-methacrylate), 디앤드씨옐로우 10 (D&C Yellow 10), 2-(2‘-하이드록시-5’-메타크릴일록시에틸페닐)-2에이치-벤조트라이아졸, (2-2(2‘-Hydroxy-5'-methacryloxyethylphenyl-2H-benzotriazole)) 등과, 가교제 및 개시제를 포함하여 구성된다.Methacryloyloxyethylphosphorylcholine (2-Methacryloyloxyethyl phosphorylcholine) Glycerine monomethacrylate, Glycidyl Methacrylate, Methacrylic acid, 4-[(this )-phenyldiazenyl]phenyl-2-methacrylate (4-[(E)-phenyldiazenyl] phenyl-2-methacrylate), D&C Yellow 10 (D&C Yellow 10), 2-(2'-hydroxy- 5'-methacrylyloxyethylphenyl) -2H-benzotriazole, (2-2(2'-Hydroxy-5'-methacryloxyethylphenyl-2H-benzotriazole)), etc., and a crosslinking agent and an initiator.
이때 가교제는 일례로서 에틸렌 글리콜다이메타크릴레이트 (Ethylene glycol dimethacrylate)을 사용한다.At this time, as an example, ethylene glycol dimethacrylate is used as the crosslinking agent.
그리고 이때 개시제는And at this time, the initiator
2,2'-아조비스아이소뷰티로나이트릴 (2,2'-Azobisisobutyronitrile), 2,2'-아조비스(2,4-다이메틸펜테인나이트릴) (2,2'-Azobis(2,4-dimethylpentanenitrile)), 2,2'-아조비스(2-메틸부티로니트릴) (2,2'-Azobis(2- Methylbutyronitrile)) 등을 사용할 수 있다.2,2'-Azobisisobutyronitrile (2,2'-Azobisisobutyronitrile), 2,2'-Azobis (2,4-dimethylpentanenitrile) (2,2'-Azobis (2, 4-dimethylpentanenitrile)), 2,2'-Azobis(2-methylbutyronitrile), and the like may be used.
그리고 Sodium Carbonate용액(10%희석용액으로서, 90%는 물)를 투여하여 Methacrylic Acid와의 발포과정을 통해 습윤성 및 함수율을 증가시켜 다공성 하이드로겔 렌즈를 만든다 .In addition, sodium carbonate solution (10% diluted solution, 90% water) is administered to increase wettability and water content through foaming with methacrylic acid to make porous hydrogel lenses.
원료배합비의 일례로서, HEMA 85~95중량부에 대하여, MPC1~10, GMMA0.5~5, GM0.5~2, 가교제인 EGMDA0.5~2,개시제 0.1~1, Sodium Carbonate용액(10%희석용액으로서, 90%는 물) 1 ~ 10중량부로 조성된다.As an example of the raw material mixing ratio, with respect to 85 to 95 parts by weight of HEMA, MPC 1 to 10, GMMA 0.5 to 5, GM0.5 to 2, crosslinking agent EGMDA 0.5 to 2, initiator 0.1 to 1, sodium carbonate solution (10% As a diluted solution, 90% is water) 1 to 10 parts by weight.
그리고 본발명은 자외선차단물질인 2-(2‘-하이드록시-5’-메타크릴일록시에틸페닐)-2에이치-벤조트라이아졸,징크옥사이드, 티타늄디옥사이드 등을 혼합하여 코팅한다.In addition, in the present invention, 2-(2'-hydroxy-5'-methacrylyloxyethylphenyl)-2H-benzotriazole, zinc oxide, titanium dioxide, etc., which are UV blocking materials, are mixed and coated.
청광차단 콘택트렌즈의 크기는 14.0~14.5mm이다.The size of blue light blocking contact lenses is 14.0 to 14.5 mm.
본발명의 청색광 영역차단 컬러 콘택트렌즈 제조방법은 실리콘패드를 사용하여 상몰드에 안료를 사용하여 홍채 모양으로 인쇄층을 인쇄하는 단계;The manufacturing method of the blue light region blocking color contact lens of the present invention includes the steps of printing a printing layer in an iris shape using a pigment on an upper mold using a silicon pad;
상몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;heat-treating the upper mold at a temperature of 80 to 130° C. for 20 to 90 minutes;
청광차단제를 포함하는 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분간 열중합하는 단계;를 포함하는 것이다.Injecting the lens raw material containing the blue light blocking agent into the lower mold, then combining the upper mold and thermally polymerizing the upper mold at a temperature of 100 to 130 ° C for 20 to 80 minutes.
그리고 상기 하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시켜서 렌즈완성품을 얻는다.Then, the lens polymerized from the lower mold and the upper mold is separated and hydrated in 0.9% sodium chloride physiological saline to obtain a finished lens product.
Claims (3)
상몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;
청광차단제를 포함하는 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분간 열중합하는 단계;를 포함하는 것을 특징으로 하는 다공성 청광차단 Color 콘택트렌즈 제조방법printing a print layer in an iris shape using a pigment on an upper mold using a silicon pad;
heat-treating the upper mold at a temperature of 80 to 130° C. for 20 to 90 minutes;
A method for manufacturing a porous blue light blocking color contact lens comprising the steps of injecting a lens raw material containing a blue light blocking agent into a lower mold, then combining the upper mold and thermally polymerizing the upper mold at a temperature of 100 to 130 ° C for 20 to 80 minutes.
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