KR20220091765A - Blue light blocking contact lens manufacturing method - Google Patents

Blue light blocking contact lens manufacturing method Download PDF

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KR20220091765A
KR20220091765A KR1020200182797A KR20200182797A KR20220091765A KR 20220091765 A KR20220091765 A KR 20220091765A KR 1020200182797 A KR1020200182797 A KR 1020200182797A KR 20200182797 A KR20200182797 A KR 20200182797A KR 20220091765 A KR20220091765 A KR 20220091765A
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blue light
light blocking
printing
mold
layer
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KR1020200182797A
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KR102449121B1 (en
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송호철
이경문
노정원
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(주)비젼사이언스
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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
    • B29D11/00317—Production of lenses with markings or patterns
    • 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
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
    • 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
    • B29C2037/0046—In-mould printing, in-mould transfer printing

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Led Device Packages (AREA)

Abstract

The present invention relates to a method for manufacturing blue light blocking clear contact lens, wherein the method comprises the steps of: printing a first coating layer; printing a blue light blocking printing layer; printing a second coating layer on the blue light blocking printing layer; heat-treating a secondarily coated mold; and performing thermal polymerization and hydration. In the method for manufacturing blue light blocking clear contact lens, the manufacturing processes are simple and an effect for blocking the blue light is large.

Description

청광차단 콘택트렌즈 제조방법{Blue light blocking contact lens manufacturing method}Blue light blocking contact lens manufacturing method

본발명은 청광차단 콘택트렌즈 제조방법에 관한 것으로, 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 착색제의 함량변화에 의해 청광차단율을 조절할 수 있는 청광차단 콘택트렌즈 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a blue light blocking contact lens. It relates to a method of manufacturing a blocking contact lens.

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 within visible light is very harmful to the eyes, a technology for blocking it has been developed even in the manufacture of contact lenses. -No. 2079998 discloses a method for manufacturing a blue light blocking contact lens, a first step (S10) of manufacturing a 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 the blue light blocking ink (B) by attaching it to the lower mold or upper mold part corresponding to the position of the pupil (S20); and

하형몰드에 교반한 렌즈 원료를 넣는 제 3단계(S30);와A third step (S30) of putting the stirred lens 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);와The fourth step selectively used among the methods of pressing the upper mold and the lower mold and polymerizing for 60 to 90 minutes in heat of 60 to 140 ° C, or polymerization for 10 to 30 minutes using IR (InfraRed) or UV (UltraViolet) wavelengths (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.After obtaining contact lenses by separating the upper and lower molds, hydrate them in 0.9% sodium chloride saline for 7 to 25 hours and store them in a contact lens preservative solution (S50); and the first step ( S10) blue light blocking ink (B) is a binder that gives elasticity to the lens and absorbs moisture, yellow colorant (Y) with blue light blocking function, and cyclohexanone or Cyclopentanone, γ, which are solvents for viscosity control for printing -Butyrolactone, a-terpineol, butyl acetate, and Propylene Glycol monomethyl ether acetate are selectively used from among blue light blocking contact lenses, characterized in that the binder and the binder or the colorant and the binder are added with a crosslinking agent that connects them by giving a covalent bond. A manufacturing method is disclosed.

또한 등록특허공보 등록번호 10-2149838호에는 블루라이트 차단 콘택트 렌즈 제조방법이 공개되어 있다.In addition, Patent Publication No. 10-2149838 discloses a method of manufacturing a blue light blocking contact lens.

그러나 상기 종래기술들은 블루라이트 차단방법이 복잡하며, 차단효과가 낮고, 차단층의 수명이 짧아 비경제적인 문제점이 여전히 남아 있었다.However, in the prior art, the blue light blocking method is complicated, the blocking effect is low, and the lifespan of the blocking layer is short, so uneconomical problems still remain.

따라서 본발명은 상기와 같은 문제점을 해결하고자 안출된 것으로, 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 착색제의 함량변화에 의해 청광차단율을 조절할 수 있는 청광차단 콘택트렌즈 제조방법을 제공하고자 하는 것이다.Therefore, the present invention was devised to solve the above problems, and the manufacturing process is simple, the effect of blocking blue light is large, the life of the blue light blocking layer is long, and the blue light blocking rate can be adjusted by changing the content of the colorant. An object of the present invention is to provide a method for manufacturing a blue light blocking contact lens.

본발명은 청광차단 clear 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계;The present invention relates to a method for manufacturing a blue light blocking clear contact lens, comprising: printing a primary coating layer by injecting a polymer composition into an upper mold using a silicone pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in the shape of a pupil using a blue light blocking pigment on the mold coated with the first;

청광차단인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer;

2차 코팅된 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the secondary coated mold at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 한다.It characterized in that it comprises; separating the polymerized lens from the hammer mold and the upper mold and hydrated in sodium chloride 0.9% physiological saline.

또한, 본발명은 청광차단 칼라 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계;In addition, the present invention relates to a method for manufacturing a blue light blocking color contact lens, comprising: printing a primary coating layer by injecting a polymer composition into an upper mold using a silicone pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in the shape of a pupil using a blue light blocking pigment on the mold coated with the first;

청광차단 인쇄층 위에 칼라 착색 디자인을 인쇄하여 칼라 착색 인쇄층을 형성하는 단계;forming a color tinted print layer by printing a color tinted design on the blue light blocking print layer;

청광차단 인쇄층과 color 착색 인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer and the color printing layer;

2차 코팅되어진 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the mold with the secondary coating at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 한다.It characterized in that it comprises; separating the polymerized lens from the hammer mold and hydrated in 0.9% sodium chloride saline.

따라서 본발명은 제조공정이 간단하며, 블루라이트를 차단하는 효과가 크며, 블루라이트 차단층의 수명이 길며, 착색제의 함량변화에 의해 청광차단율을 조절할 수 있는 현저한 효과가 있다.Therefore, the present invention has a remarkable effect in that the manufacturing process is simple, the effect of blocking blue light is large, the life of the blue light blocking layer is long, and the blue light blocking rate can be adjusted by changing the content of the colorant.

도 1은 본발명의 청광차단 콘택트렌즈의 구조도
도 2는 본발명의 청광차단 콘택트렌즈의 디자인 종류 예시도
도 3은 본발명의 청광차단 콘택트렌즈(clear) 제조 방법 순서도
도 4는 본발명의 청광차단 콘택트렌즈(color) 제조 방법 순서도
도 5는 본발명의 청광차단 콘택트렌즈 UV-Spectrum1 is a structural diagram of a blue light blocking contact lens of the present invention;
Figure 2 is an example of the design type of the blue light blocking contact lens of the present invention
Figure 3 is a flow chart of the blue light blocking contact lens (clear) manufacturing method of the present invention
Figure 4 is a flow chart of the blue light blocking contact lens (color) manufacturing method of the present invention
5 is a blue light blocking contact lens UV-Spectrum of the present invention

본발명은 청광차단 clear 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계;The present invention relates to a method for manufacturing a blue light blocking clear contact lens, comprising: printing a primary coating layer by injecting a polymer composition into an upper mold using a silicone pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in the shape of a pupil using a blue light blocking pigment on the mold coated with the first;

청광차단인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer;

2차 코팅된 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the secondary coated mold at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 한다.It characterized in that it comprises; separating the polymerized lens from the hammer mold and the upper mold and hydrated in sodium chloride 0.9% physiological saline.

또한, 본발명은 청광차단 칼라 콘택트렌즈 제조방법에 관한 것으로, 실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계; In addition, the present invention relates to a method for manufacturing a blue light blocking color contact lens, comprising: printing a primary coating layer by injecting a polymer composition into an upper mold using a silicone pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in a pupil shape using a blue light blocking pigment on the mold coated with the primary;

청광차단 인쇄층 위에 칼라 착색 디자인을 인쇄하여 칼라 착색 인쇄층을 형성하는 단계;forming a color tinted print layer by printing a color tinted design on the blue light blocking print layer;

청광차단 인쇄층과 color 착색 인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer and the color printing layer;

2차 코팅되어진 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the mold with the secondary coating at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 한다.It characterized in that it comprises; separating the polymerized lens from the hammer mold and hydrated in 0.9% sodium chloride saline.

그리고, 상기 콘택트렌즈를 제조하기 위한 중합 조성물로 2-하이드록시에틸메타크릴레이트(2-Hydroxyethyl Methacrylate), 메타크릴로일옥시에틸포스포릴콜린 (2-Methacryloyloxyethyl phosphorylcholine), 글리세린모노메타크릴레이트 (Glycerine mono methacrylate), 글리시딜메타크릴레이트 (Glycidyl Methacrylate), 가교제 및 개시제를 포함하여 구성된다.And, 2-hydroxyethyl methacrylate (2-Hydroxyethyl Methacrylate), methacryloyloxyethyl phosphorylcholine (2-Methacryloyloxyethyl phosphorylcholine), glycerin monomethacrylate (Glycerine) as a polymerization composition for manufacturing the contact lens mono methacrylate), glycidyl methacrylate, and a crosslinking agent and initiator.

본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다. The present invention will be described in detail with reference to the accompanying drawings as follows.

도 1은 본발명의 청광차단 콘택트렌즈의 구조도, 도 2는 본발명의 청광차단 콘택트렌즈의 디자인 종류 예시도, 도 3은 본발명의 청광차단 콘택트렌즈(clear) 제조 방법 순서도, 도 4는 본발명의 청광차단 콘택트렌즈(color) 제조 방법 순서도, 도 5는 본발명의 청광차단 콘택트렌즈 UV-Spectrum이다.1 is a structural diagram of the blue light blocking contact lens of the present invention, FIG. 2 is an exemplary design type of the blue light blocking contact lens of the present invention, FIG. 3 is a flowchart of the blue light blocking contact lens manufacturing method of the present invention, FIG. 4 is Blue light blocking contact lens (color) manufacturing method flow chart of the present invention, Figure 5 is a blue light blocking contact lens UV-Spectrum of the present invention.

본발명의 청광차단 콘택트렌즈는 Clear렌즈와 Color렌즈 두가지 종류로 제조할 수 있다.The blue light blocking contact lens of the present invention can be manufactured in two types: a clear lens and a color lens.

Clear렌즈의 경우 광학부에 청광차단 안료를 사용하여 착색한다.In the case of clear lenses, they are colored using blue light blocking pigments in the optical part.

Color렌즈의 경우 광학부에 청광차단 안료를 사용하여 착색 후,홍채영역에 Color 디자인을 착색한다.In the case of color lenses, after coloring using blue light blocking pigment in the optical part, the color design is colored in the iris area.

본발명의 Clear 콘택트렌즈를 제조하기 위한 중합 조성물로 2-하이드록시에틸메타크릴레이트(2-Hydroxyethyl Methacrylate), 메타크릴로일옥시에틸포스포릴콜린 (2-Methacryloyloxyethyl phosphorylcholine), 글리세린모노메타크릴레이트 (Glycerine mono methacrylate), 글리시딜메타크릴레이트 (Glycidyl Methacrylate), 가교제 및 개시제를 포함하여 구성된다.As a polymerization composition for manufacturing a clear contact lens of the present invention, 2-hydroxyethyl methacrylate, methacryloyloxyethyl phosphorylcholine, glycerin monomethacrylate ( It is composed of Glycerine mono methacrylate), Glycidyl Methacrylate, a crosslinking agent and an initiator.

이때 가교제는 일례로서 에틸렌 글리콜다이메타크릴레이트 (Ethylene glycol dimethacrylate)을 사용한다.In this case, as an example of the crosslinking agent, ethylene glycol dimethacrylate is used.

그리고 이때 개시제는And in this case, 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) (2,2'-Azobis(2-Methylbutyronitrile)), etc. may be used.

원료배합비의 일례로서, HEMA 85~95중량부에 대하여, MPC1~10, GMMA0.5~5, GM0.5~2, 가교제인 EGMDA0.5~2,개시제0.1~1중량부로 조성된다.As an example of the raw material mixing ratio, with respect to 85 to 95 parts by weight of HEMA, MPC1 to 10, GMMA 0.5 to 5, GM 0.5 to 2, EGMDA 0.5 to 2 as a crosslinking agent, and 0.1 to 1 parts by weight of an initiator.

그리고 본발명은 상기 청광차단코팅후 망막에 유해한 근적외선을 차단하기 위한 차단제를 코팅할 수 있는 것으로, ATO, Sb2O3-ZNO등의 물질을 코팅한다. 그리고 다시 청광차단물질로 코팅하여, 상부 코팅층을 형성하여, 청광차단과 근적외선차단의 상승효과를 가지게 한다. 그리고 자외선이 심한 바닷가 등에서 착용을 위해 상기 상부코팅층위에 자외선차단코팅층을 형성한다. 이를 위해 자외선차단물질인 징크옥사이드, 티타늄디옥사이드 등을 혼합하여 코팅한다.And the present invention is capable of coating a blocking agent for blocking near infrared rays harmful to the retina after the blue light blocking coating, and coating a material such as ATO, Sb2O3-ZNO. Then, it is coated again with a blue light blocking material to form an upper coating layer to have a synergistic effect of blocking blue light and blocking near infrared rays. And a UV blocking coating layer is formed on the upper coating layer for wearing at the beach where UV rays are severe. For this, zinc oxide, titanium dioxide, etc., which are UV blocking materials, are mixed and coated.

코팅방법은 청광차단 클리어 콘택트렌즈 코팅층은 2-Hydroxyethyl methacrylate(HEMA) 중합체로 상몰드에 균일하게 코팅하여, 인쇄층으로부터 안구를 보호하고,편안함 착용감을 제공한다.As for the coating method, the blue light blocking clear contact lens coating layer is uniformly coated on the upper mold with 2-Hydroxyethyl methacrylate (HEMA) polymer to protect the eyes from the printed layer and provide a comfortable fit.

청광차단 클리어 콘택트렌즈의 크기는 14.0~14.5mm이다.The size of blue light blocking clear contact lenses is 14.0~14.5mm.

상기 청광차단 클리어 콘택트렌즈 (clear) 제조 방법 순서는 다음과 같다.The blue light blocking clear contact lens (clear) manufacturing method sequence is as follows.

실리콘패드를 사용하여 상몰드에 1차 코팅층을 인쇄하는 단계; Printing the first coating layer on the upper mold using a silicon pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in the shape of a pupil using a blue light blocking pigment on the mold coated with the first;

청광차단인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer;

2차 코팅된 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the secondary coated mold at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;로 이루어진다.It consists of; separating the polymerized lens from the hammer mold and the upper mold and hydrating it in 0.9% sodium chloride saline.

본발명의 다른 실시례로서 칼라 콘택트렌즈를 제조하기 위한 광학부 착색 및 Color 디자인을 위한 착색제는 리액티브 블루 19 (C.I Reactive blue 19), 리액티브블랙 5 (C.I Reactive black 5), 산화타이타늄(Titanium dioxide), 산화철 (Iron oxide), 안료바이올렛 23 (pigment Violet 23), 안료그린 7 (C.I Pigment green 7), 디앤드씨옐로우 10 (D&C Yellow 10) 의착색제 중에서 선택적으로 사용한다. 이중 청광차단 안료는 디앤드씨옐로우 10 (D&C Yellow 10) 이다.As another embodiment of the present invention, the colorant for the optical part coloring and color design for manufacturing a color contact lens is Reactive Blue 19 (C.I Reactive blue 19), Reactive Black 5 (C.I Reactive black 5), titanium oxide (Titanium) dioxide), iron oxide, pigment violet 23, pigment green 7 (C.I Pigment green 7), and D&C Yellow 10 (D&C Yellow 10). The blue light blocking pigment is D&C Yellow 10.

인쇄층에 착색되는 조성물은2-Hydroxyethyl methacrylate(HEMA)에 착색제 및 경화제를 혼합하여 100~2000rpm으로 교반 후 사용한다.The composition to be colored on the printing layer is used after mixing a coloring agent and a curing agent with 2-Hydroxyethyl methacrylate (HEMA) and stirring at 100 to 2000 rpm.

각각의 조성물의 범위 내에서의 배합을 통해 제조될 수 있고 상기착색제의 함량 변화에 따라 청광차단율을 조절할 수 있다.It can be prepared by mixing within the range of each composition, and the blue light blocking rate can be adjusted according to the change in the content of the colorant.

청광차단 칼라콘택트렌즈 제조시Color-Lock-System 기술을 적용함으로써,콘택트렌즈 인쇄층이 직접적으로 눈에 닿지 않아 안전하며, 염료가 빠져나오는 것을 막을 수 있다.By applying Color-Lock-System technology when manufacturing blue-light blocking color contact lenses, the contact lens printed layer does not directly touch the eyes, making it safe and preventing the dye from escaping.

청광차단을 위한 광학부 착색 크기는 4.0~10.0mm로 한다.The size of the optical part to block blue light is 4.0 to 10.0 mm.

본발명의 청광차단 칼라 콘택트렌즈 제조 방법 순서는 다음과 같다.The procedure for manufacturing a blue light blocking color contact lens of the present invention is as follows.

실리콘 패드를 사용하여 상몰드에 1차 코팅층을 인쇄하는 단계;Printing the first coating layer on the upper mold using a silicone pad;

1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;Printing a blue light blocking print layer in the shape of a pupil using a blue light blocking pigment on the mold coated with the first;

청광차단인쇄층 위에 칼라 착색 디자인을 인쇄하여 칼라 착색 인쇄층을 형성하는 단계;forming a color-colored printed layer by printing a color-colored design on the blue light blocking printing layer;

청광차단 인쇄층과 color 착색 인쇄층 위에 2차 코팅층을 인쇄하는 단계;Printing a secondary coating layer on the blue light blocking printing layer and the color printing layer;

2차 코팅되어진 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;Heat-treating the mold with the secondary coating at a temperature of 80-130° C. for 20-90 minutes;

친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;

하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;로 이루어진다.It consists of; separating the polymerized lens from the hammer mold and the upper mold and hydrating it in 0.9% sodium chloride saline.

Claims (3)

실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계;
1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;
청광차단인쇄층 위에 2차 코팅층을 인쇄하는 단계;
2차 코팅된 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;
친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;
하몰드와 상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 하는 청광차단 Clear 콘택트렌즈 제조방법Printing a first coating layer by injecting a polymer composition into the upper mold using a silicone pad;
Printing a blue light blocking print layer in a pupil shape using a blue light blocking pigment on the mold coated with the primary;
Printing a secondary coating layer on the blue light blocking printing layer;
Heat-treating the secondary coated mold at a temperature of 80-130° C. for 20-90 minutes;
After injecting the hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold and 20-80 thermal polymerization at a temperature of 100-130 ℃;
Separating the polymerized lens from the hammer mold and the upper mold and hydrated in 0.9% sodium chloride saline solution; Blue light blocking clear contact lens manufacturing method comprising the 실리콘패드를 사용하여 상몰드에 중합 조성물을 주입하여 1차 코팅층을 인쇄하는 단계;
1차 코팅되어진 몰드에 청광차단 안료를 사용하여 동공 모양으로 청광차단인쇄층을 인쇄하는 단계;
청광차단 인쇄층 위에 칼라 착색 디자인을 인쇄하여 칼라 착색 인쇄층을 형성하는 단계;
청광차단 인쇄층과 color 착색 인쇄층 위에 2차 코팅층을 인쇄하는 단계;
2차 코팅되어진 몰드를 80~130℃ 온도에서 20~90분 열처리하는 단계;
친수성 물질인 하이드록시에틸메타크릴레이드(HEMA : 2-hydroxyethyl methacylate) 렌즈 원료를 하몰드에 주입 후 상몰드를 결합하여 100~130℃ 온도에서 20~80분열중합하는 단계;
하몰드와상몰드에서 중합된 렌즈를 분리하여 염화나트륨0.9% 생리식염수에 수화시키는 단계;를 포함하는 것을 특징으로 하는 청광차단 칼러 콘택트렌즈 제조방법Printing a first coating layer by injecting a polymer composition into the upper mold using a silicone pad;
Printing a blue light blocking print layer in a pupil shape using a blue light blocking pigment on the mold coated with the primary;
forming a color tinted print layer by printing a color tinted design on the blue light blocking print layer;
Printing a secondary coating layer on the blue light blocking printing layer and the color printing layer;
Heat-treating the secondary-coated mold at a temperature of 80-130° C. for 20-90 minutes;
After injecting a hydrophilic material, hydroxyethyl methacrylate (HEMA: 2-hydroxyethyl methacylate) lens raw material into the hammer mold, combining the upper mold, 20-80 thermal polymerization at a temperature of 100-130 ℃;
Method for manufacturing blue light blocking color contact lenses, comprising: separating the polymerized lenses from the hammer mold and hydrating them in 0.9% sodium chloride saline 제1항 또는 2항에 있어서, 상기 콘택트렌즈를 제조하기 위한 중합 조성물로 2-하이드록시에틸메타크릴레이트(2-Hydroxyethyl Methacrylate), 메타크릴로일옥시에틸포스포릴콜린 (2-Methacryloyloxyethyl phosphorylcholine), 글리세린모노메타크릴레이트 (Glycerine mono methacrylate), 글리시딜메타크릴레이트 (Glycidyl Methacrylate), 가교제 및 개시제를 포함하여 구성되는 것을 특징으로 하는 청광차단 콘택트렌즈According to claim 1 or 2, 2-hydroxyethyl methacrylate (2-Hydroxyethyl Methacrylate), methacryloyloxyethyl phosphorylcholine (2-Methacryloyloxyethyl phosphorylcholine) as a polymerization composition for manufacturing the contact lens, Blue light blocking contact lens comprising glycerine mono methacrylate, glycidyl methacrylate, a crosslinking agent and an initiator
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