CN111393701A - Floatable ophthalmic lens and method of making same - Google Patents
Floatable ophthalmic lens and method of making same Download PDFInfo
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- CN111393701A CN111393701A CN202010000901.6A CN202010000901A CN111393701A CN 111393701 A CN111393701 A CN 111393701A CN 202010000901 A CN202010000901 A CN 202010000901A CN 111393701 A CN111393701 A CN 111393701A
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- lens body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 229920001400 block copolymer Polymers 0.000 claims abstract description 30
- 239000003623 enhancer Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 10
- 230000005484 gravity Effects 0.000 claims abstract description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims abstract description 8
- 230000003678 scratch resistant effect Effects 0.000 claims description 32
- 125000004122 cyclic group Chemical group 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000004611 light stabiliser Substances 0.000 claims description 9
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 6
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 6
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 44
- 239000000463 material Substances 0.000 description 6
- 239000002335 surface treatment layer Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 229920006015 heat resistant resin Polymers 0.000 description 4
- 238000007605 air drying Methods 0.000 description 3
- 239000005329 float glass Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
Abstract
The invention discloses a floatable ophthalmic lens and a manufacturing method thereof, the ophthalmic lens is manufactured by injecting a ring-shaped block copolymer through a lens body, the ring-shaped block copolymer is obtained by converting a styrene-butadiene-styrene copolymer through a hydrogen catalyst, the specific gravity of the lens body is 0.94, the optical refractive index is 1.51, and the Abbe number is 51, and then a bridging layer formed by drying a mixture is arranged on at least one side of the lens body, so that a hardness enhancer can be arranged on the lens body after being dried, and the hardness of the floatable ophthalmic lens is enhanced.
Description
Technical Field
The invention relates to an ophthalmic lens, in particular to a floatable ophthalmic lens.
Background
Although some float glasses are sold in the market nowadays, the lenses are generally made of glass, resin and polycarbonate, and the lenses made of the above materials have a weight average ratio of more than 1, so that the float glasses cannot float, so that the glasses frame of the float glasses can float only when having a float characteristic. However, this method causes the manufacturers to design the floating structure or the manufacturing process for the mirror frame structure, which is very troublesome. In addition, JP 5097541B 2 discloses that transparent heat-resistant resin can be used to produce optical materials. However, it is found from the specification that the light transmittance of the lens made of the transparent heat-resistant resin is only 80%, and the lens cannot be transparent, and is difficult to be used as a material for ophthalmic lenses. In addition, the patent specification also discloses that the specific gravity of the transparent heat-resistant resin is 1.10, even 1.05, that is, after the transparent heat-resistant resin is made into a lens, the lens cannot float on water, and after the lens is adopted, the manufacturer still needs to design a floating structure or a manufacturing process aiming at the spectacle frame structure.
Further, since the lens body made of the cyclic block copolymer has a smooth surface and a low hydrophilicity, when a lens manufacturer intends to add a reinforcing layer on the lens body, and a hardness enhancer for forming the reinforcing layer is coated on the lens body, the hardness enhancer easily flows down along the surface of the lens body and is difficult to adhere to the lens body, and thus the hardness of the lens body cannot be enhanced.
Disclosure of Invention
The main purpose of the present invention is to solve the problem that the surface of the lens made of the cyclic block copolymer is difficult to be coated with the strengthening layer.
The invention provides a floatable ophthalmic lens, comprising a lens body and at least one scratch-resistant layer arranged on one side of the lens body, wherein the lens body is made by ejecting a cyclic block copolymer, the cyclic block copolymer is obtained by converting a styrene-butadiene-styrene copolymer through a hydrogen catalyst, the specific gravity of the ophthalmic lens body is 0.94, the optical refractive index is 1.51, and the Abbe Number (Abbe Number) is 51, the ophthalmic lens is provided with a bridging layer arranged between the lens body and the scratch-resistant layer, the bridging layer is formed by drying a mixture, and the components of the mixture comprise butyl acetate and methyl cyclohexane.
In one embodiment, the ophthalmic lens comprises a light-reducing multilayer coating overlying the scratch resistant layer.
In one embodiment, the lens body is injection molded after the cyclic block copolymer is mixed with a light stabilizer.
In addition to the above, the present invention also provides a method for manufacturing a floatable ophthalmic lens, the ophthalmic lens including the lens body and at least one scratch-resistant layer provided on one side of the lens body, the method comprising the steps of:
the method comprises the following steps: using a ring block copolymer to carry out ejection to prepare the lens body, wherein the ring block copolymer is obtained by converting a styrene-butadiene-styrene copolymer through a hydrogen catalyst, the specific gravity of the lens body is 0.94, the total light transmittance is 92 percent, the light refractive index is 1.51, and the Abbe number is 51;
step two: arranging a mixture on at least one side of the lens body where the scratch-resistant layer is to be arranged, and drying the mixture to enable the mixture to form a bridging layer attached to the lens body, wherein the mixture comprises butyl acetate and methyl cyclohexane; and
step three: and arranging a hardness enhancer on at least one side of the lens body, which is to be provided with the scratch-resistant layer, wherein the hardness enhancer can be arranged on the lens body through the bridging layer, and drying the hardness enhancer to form the scratch-resistant layer.
In one embodiment, the method further comprises a fourth step of: at least one side of the lens body provided with the scratch-resistant layer is provided with a light-reducing multilayer coating.
In one embodiment, the mixture is applied to at least one side of the lens body by a spraying operation, a soaking operation, or a curtain coating operation.
In one embodiment, the third step is to dry the hardness enhancer by baking the hardness enhancer in an oven at 80 ℃ for 4 hours.
In one embodiment, the first step further comprises a substep of: adding a light stabilizer to the cyclic block copolymer and mixing.
Compared with the prior art, the invention has the following characteristics: the specific gravity of the ophthalmic lens is 0.94, so that the purpose of lens floating can be realized. Meanwhile, the bridging layer is arranged between the lens body and the scratch-resistant layer, so that the scratch-resistant layer can be attached to the lens body, and the surface hardness of the lens body is enhanced.
Drawings
FIG. 1 is a schematic view of an ophthalmic lens according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of an ophthalmic lens according to one embodiment of the invention.
FIG. 3 is a schematic cross-sectional view of an ophthalmic lens according to another embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view of an ophthalmic lens according to yet another embodiment of the present invention.
Fig. 5 is an enlarged view of a part of the structure of another embodiment of the present invention.
FIG. 6 is a schematic cross-sectional view of an ophthalmic lens according to yet another embodiment of the present invention.
FIG. 7 is a schematic view of a method for manufacturing an ophthalmic lens according to an embodiment of the present invention.
FIG. 8 is a schematic view of a mixture disposed in a lens body according to an embodiment of the invention.
Fig. 9 is a schematic view of the lens body provided with scratch-resistant layers on two sides according to an embodiment of the invention. FIG. 10 is a schematic view of a method of making an ophthalmic lens according to another embodiment of the present invention.
FIG. 11 is a schematic view of a method of making an ophthalmic lens according to yet another embodiment of the present invention.
Wherein, the reference numbers:
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Light-reducing multilayer coating
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71.
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73.
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Detailed Description
The present invention is described in detail and technical content with reference to the accompanying drawings, wherein:
referring to fig. 1, the present invention provides a floatable ophthalmic lens 10, wherein the ophthalmic lens 10 is used with a frame (not shown), that is, the ophthalmic lens 10 can be used to make myopia glasses, sunglasses, swimming goggles, etc. In addition, the optical structure of the ophthalmic lens 10 can be adjusted according to the implementation requirement, that is, the ophthalmic lens 10 may have vision correction or not, and many of the forming modes of the ophthalmic lens 10 are not described herein.
Further, the ophthalmic lens 10 of the present invention comprises a lens body 11, wherein the lens body 11 is made by a Cyclic Block Copolymer (CBC) which is obtained by converting a styrene-butadiene-styrene copolymer with a hydrogen catalyst, the specific gravity of the lens body 11 is 0.94, the total light transmittance is 92 percent, the light refractive index is 1.51, and the Abbe Number (Abbe Number) is 51. Accordingly, the ophthalmic lens 10 of the present invention has a specific gravity of less than 1, and achieves a floating effect.
Referring to fig. 2, in one embodiment, the ophthalmic lens 10 has at least one functional film 12 adhered to one side of the lens body 11, herein referred to as adhesion is performed by chemical adhesion method, and the functional film 12 may be a polarizing film, a multi-layer coating film for reducing reflection, a water-proof film or an antifouling film. Besides the above, the functional film 12 can be disposed on one side of the lens body 11 by UV curing.
Referring to fig. 3, in one embodiment, the ophthalmic lens 10 includes at least one surface treatment layer 13 formed on one side of the lens body 11, and at least one functional film layer 14 disposed on the surface treatment layer 13. Further, the ophthalmic lens 10 can be provided with the surface treatment layers 13 on two opposite sides according to the implementation requirement, and then the functional film layers 14 are provided on the two surface treatment layers 13, wherein the two functional film layers 14 can have the same function or different functions. Furthermore, the functional film 14 may be a polarizing film, a multi-layer film for reducing reflection, a waterproof film, or an antifouling film. Alternatively, the surface treatment layer 13 may be disposed on the lens body 11 by chemical etching or chemical vapor deposition. In addition, the functional film 14 can also be directly formed on the lens body 11 by injection melting or other techniques during the injection process of the lens body 11.
Referring again to fig. 4-10, in addition to the ophthalmic lens 10 described above, another embodiment of the present invention is also provided. The lens body 11 used in the ophthalmic lens 10 of the present embodiment is made by transforming a styrene-butadiene-styrene copolymer with a hydrogen catalyst to obtain the cyclic block copolymer, and then performing injection molding on the cyclic block copolymer, which will not be described herein again. Referring to fig. 4 to 7, in the present embodiment, when the ophthalmic lens 10 is to enhance the surface hardness of at least one side of the lens body 11, the ophthalmic lens 10 is provided with a scratch-resistant layer 16 on at least one side of the lens body to increase the hardness. Before the lens body 11 is machined, the lens body 11 forms a white fog structure after the polishing operation due to the material characteristics of the cyclic block copolymer, so that the lens body 11 cannot be transparent and can be used as an ophthalmic optical lens. In addition, the lens body 11 has a smooth surface and low hydrophilicity due to the material characteristics of the cyclic block copolymer, so that the surface of the lens body 11 is not easily covered with other structures. Accordingly, the present invention provides the scratch-resistant layer 16 on the lens body 11 through the bridging layer 15 disposed between the lens body 11 and the scratch-resistant layer 16.
More specifically, the bridge layer 15 is formed by drying a mixture 151, and the mixture 151 contains a butyl acetate and a methylcyclohexane. When the bridging layer 15 contacts the lens body 11, the bridging layer 15 slightly erodes the smooth surface of the lens body 11, so that a plurality of concave-convex structures 111 are formed on the lens body 11, as shown in fig. 5. It should be noted that the concave-convex structures 111 depicted in fig. 5 are only schematic in the present invention, that is, the concave-convex structures 111 are structures that are not actually visible to human eyes, and do not affect the optical properties of the lens body 11. In addition, the concave-convex structures 111 are not controlled by human in the forming process and thus are irregular. The concave-convex structures 111 function to provide the scratch-resistant layer 16 on one side of the lens body 11, so as to increase the surface hardness of the ophthalmic lens 10, and make the ophthalmic lens 10 have a better scratch-resistant function.
In addition, referring to fig. 4 to 8, the present invention also provides a manufacturing method 70 for manufacturing the ophthalmic lens 10, wherein the ophthalmic lens 10 includes a lens body 11 and at least one scratch-resistant layer 16 disposed on one side of the lens body 11, and the manufacturing method 70 is characterized by including:
step one 71: the lens body 11 is made by emitting the cyclic block copolymer through hydrogen catalyst conversion, the cyclic block copolymer is obtained by styrene-butadiene-styrene copolymer, the specific gravity of the lens body 11 is 0.94, the total light transmittance is 92 percent, the light refractive index is 1.51, and the Abbe Number is 51;
step two 72: disposing the mixture 151 on at least one side of the lens body 11 where the scratch-resistant layer 16 is to be disposed, and drying the mixture 151 to form the bridge layer 15 attached to the lens body 11 from the mixture 151, wherein the mixture 151 comprises the butyl acetate and the methylcyclohexane; and
step three 73: a hardness enhancer (not shown) is disposed on at least one side of the lens body 11 where the scratch-resistant layer 16 is to be disposed, the hardness enhancer can be disposed on the lens body 11 through the bridging layer 15, and the hardness enhancer is dried to form the scratch-resistant layer 16.
More specifically, the implementation is initiated by providing the cyclic block copolymer and a lens mold (not shown) that is made based on the base structure of the lens body 11. Then, the annular block copolymer is injected into the lens mold to mold the annular block copolymer into the lens body 11. Entering the second step 72, the mixture 151 is disposed on at least one side of the lens body 11, and after the mixture 151 contacts the lens body 11, the mixture 151 is allowed to stand for a period of time to dry on the lens body 11, and the bridge layer 15 is formed. In one embodiment, the mixture 151 may be dried by standing for an air drying time, and the air drying time required for the mixture 151 is about 15 minutes. Furthermore, during the air drying process of the mixture 151, the mixture 151 will slightly erode the smooth surface of the lens body 11, so that the concave-convex structures 111 are formed on the side of the lens body 11 where the mixture 151 is disposed.
More specifically, when the ophthalmic lens 10 of the present invention is provided with the mixture 151 on one side thereof, the lens body 11 is provided with a shielding member 20 on the side thereof where the mixture 151 is not provided, and the shielding member 20 shields the surface of one side of the lens body 11, so that the mixture 151 does not contact the surface of the lens body 11 during the spraying operation, the soaking operation or the shower operation. If the lens body 11 is provided with the mixture 151 on both surfaces, the lens body 11 can directly perform the spraying operation, the soaking operation or the shower operation without providing the shielding member 20. In one embodiment, the soaking time of the mixture 151 is about 5 to 10 minutes when the mixture 151 is subjected to the soaking operation to be disposed on the lens body 11.
Next, the third step 73 is performed, in which the hardness enhancer is disposed on at least one side of the lens body 11 where the scratch-resistant layer 16 is to be disposed, and since the concave-convex structures 111 are formed on the lens body 11, the hardness enhancer is disposed on the lens body 11 through the assistance of the concave-convex structures 111 and the bridge layer 15. Then, the hardness enhancer is dried to form the scratch-resistant layer 16. In one embodiment, the hardness enhancer is dried by baking in an oven at 80 ℃ for 4 hours.
In addition to the above, referring to fig. 9 and 10, in one embodiment, the ophthalmic lens 10 of the present invention further comprises a light-reducing multilayer coating 17 stacked on the scratch-resistant layer 16, wherein the light-reducing multilayer coating 17 is used to reduce the amount of light entering the ophthalmic lens 10. In addition, when manufacturing the ophthalmic lens 10 including the light-reducing multilayer coating film 17, the manufacturing method 70 includes a step four 74 of disposing the light-reducing multilayer coating film 17 on at least one side of the lens body 11 on which the scratch-resistant layer 16 is disposed, in addition to the aforementioned step one 71 to step three 73, and the light-reducing multilayer coating film 17 may be disposed on the lens body 11 in the aforementioned UV curing manner or a preparation manner notified by a person skilled in the art, thereby allowing the ophthalmic lens 10 to have a light-reducing function in addition to an increase in surface hardness.
In still another aspect, referring to fig. 4 and 11, the floatable ophthalmic lens 10 of the invention may also be sunglasses, and specifically, the lens body 11 may be formed by injection molding the cyclic block copolymer after mixing with a light stabilizer (not shown), which may be a powder material, and the light stabilizer may be UV400 or UV 420 powder as described in the conventional art. In this embodiment, the total light transmittance of the lens body 11 is about 80 percent and has an ultraviolet resistance function.
In view of the above, in the manufacturing process of the ophthalmic lens 10 of this embodiment, the first step 71 further includes a substep 711 of adding the light stabilizer to the cyclic block copolymer, mixing, and then injecting the light stabilizer and the cyclic block copolymer into the lens mold, so that the light stabilizer and the cyclic block copolymer jointly form the lens body 11, thereby making the lens body 11 have the anti-uv function after forming.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. An ophthalmic lens capable of floating water, comprising a lens body and at least one scratch-resistant layer arranged on one side of the lens body, the ophthalmic lens is characterized in that:
the lens body is made by shooting a cyclic block copolymer, the cyclic block copolymer is obtained by converting a styrene-butadiene-styrene copolymer through a hydrogen catalyst, the specific gravity of the ophthalmic lens body is 0.94, the optical refractive index is 1.51, and the Abbe Number (Abbe Number) is 51, the ophthalmic lens is provided with a bridging layer arranged between the lens body and the scratch-resistant layer, the bridging layer is formed by drying a mixture, and the components of the mixture comprise butyl acetate and methyl cyclohexane.
2. The buoyant ophthalmic lens of claim 1 wherein the ophthalmic lens comprises a light-reducing multilayer coating overlying the scratch resistant layer.
3. The buoyant ophthalmic lens of claim 1 wherein the lens body is injection molded from the cyclic block copolymer after mixing with a light stabilizer.
4. A method for manufacturing a floatable ophthalmic lens, the ophthalmic lens comprising a lens body and at least one scratch-resistant layer arranged on one side of the lens body, the method comprising the steps of:
the method comprises the following steps: using a cyclic block copolymer to carry out ejection to prepare the lens body, wherein the cyclic block copolymer is obtained by converting a styrene-butadiene-styrene copolymer through a hydrogen catalyst, the specific gravity of the lens body is 0.94, the optical refractive index is 1.51, and the Abbe Number (Abbe Number) is 51;
step two: arranging a mixture on at least one side of the lens body where the scratch-resistant layer is to be arranged, and drying the mixture to enable the mixture to form a bridging layer attached to the lens body, wherein the mixture comprises butyl acetate and methyl cyclohexane; and
step three: and arranging a hardness enhancer on at least one side of the lens body, which is to be provided with the scratch-resistant layer, wherein the hardness enhancer can be arranged on the lens body through the bridging layer, and drying the hardness enhancer to form the scratch-resistant layer.
5. The method of manufacturing a buoyant ophthalmic lens according to claim 4 wherein the method further comprises a fourth step of: at least one side of the lens body provided with the scratch-resistant layer is provided with a light-reducing multilayer coating.
6. The method of claim 4 or 5, wherein the mixture is applied to at least one side of the lens body by a spraying operation, a soaking operation or a shower operation.
7. The method of claim 6, wherein the step three is drying the hardness enhancer by baking at 80 ℃ for 4 hours in an oven.
8. The method of manufacturing a floatable ophthalmic lens according to claim 4, wherein the step one further comprises a substep of: adding a light stabilizer to the cyclic block copolymer and mixing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108100177 | 2019-01-03 | ||
| TW108100177A TWI668267B (en) | 2019-01-03 | 2019-01-03 | Floating eye lens |
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| CN111393701A true CN111393701A (en) | 2020-07-10 |
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| CN202010000901.6A Pending CN111393701A (en) | 2019-01-03 | 2020-01-02 | Floatable ophthalmic lens and method of making same |
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| TW (1) | TWI668267B (en) |
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| ES2694044T3 (en) * | 2009-11-02 | 2018-12-17 | Essilor International | Triple layer adhesive system for a stratified lens and method to apply the same |
| CN104210068B (en) * | 2014-08-28 | 2017-11-07 | 厦门珈昕偏光科技有限公司 | A kind of mould and a kind of manufacture method of polarized lenses |
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2019
- 2019-01-03 TW TW108100177A patent/TWI668267B/en active
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- 2020-01-02 CN CN202010000901.6A patent/CN111393701A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580822A (en) * | 2003-08-04 | 2005-02-16 | Vtec技术股份有限公司 | Transparent plastic optical components and abrasion resistant polymer substrates and methods for making the same |
| JPWO2007066767A1 (en) * | 2005-12-09 | 2009-05-21 | 株式会社クラレ | Transparent heat resistant resin, method for producing the same, and optical material containing transparent heat resistant resin |
| CN106626658A (en) * | 2017-01-13 | 2017-05-10 | 苏州鑫河镜业有限公司 | Automobile sunvisor lens capable of effectively weakening high light |
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| TWI668267B (en) | 2019-08-11 |
| TW201920445A (en) | 2019-06-01 |
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