CN107065042B - Thin film lens and preparation process thereof - Google Patents
Thin film lens and preparation process thereof Download PDFInfo
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- CN107065042B CN107065042B CN201710312663.0A CN201710312663A CN107065042B CN 107065042 B CN107065042 B CN 107065042B CN 201710312663 A CN201710312663 A CN 201710312663A CN 107065042 B CN107065042 B CN 107065042B
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- 239000010409 thin film Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 229920006267 polyester film Polymers 0.000 claims abstract description 43
- 229920000642 polymer Polymers 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims abstract description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 39
- 229920005990 polystyrene resin Polymers 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000004417 polycarbonate Substances 0.000 claims description 13
- 229920000515 polycarbonate Polymers 0.000 claims description 13
- 238000002834 transmittance Methods 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000004528 spin coating Methods 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002103 nanocoating Substances 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000012748 slip agent Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000006224 matting agent Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 abstract description 2
- 238000010410 dusting Methods 0.000 abstract 1
- 229920002545 silicone oil Polymers 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 5
- 229940081974 saccharin Drugs 0.000 description 5
- 235000019204 saccharin Nutrition 0.000 description 5
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 5
- 150000003512 tertiary amines Chemical class 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- LTHJXDSHSVNJKG-UHFFFAOYSA-N 2-[2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOCCOC(=O)C(C)=C LTHJXDSHSVNJKG-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 229920002396 Polyurea Polymers 0.000 description 3
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 239000012965 benzophenone Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- -1 indium tin metal oxide Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012952 cationic photoinitiator Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound 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
- G02B1/04—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of lens lenses, in particular to a thin film lens and a preparation process thereof. The thin film lens of the present invention comprises: the high-transparency polyester film layer and the high-transparency high polymer coating coated on the polyester film layer are curved-surface coatings. The preparation process of the lens comprises the following steps: dusting → oxide layer removal → coating → curing → cutting and inspection. The film lens adopts the film to be coated with the coating, replaces the prior art of adopting a plastic injection molding production mode, solves the problems of water marks, flow marks, bubbles and the like in the plastic injection molding process, and the prepared lens has high wear resistance and basically eliminates the defective index of finished product imaging distortion, deformation and the like.
Description
Technical Field
The invention relates to the technical field of lens lenses, in particular to a thin film lens and a preparation process thereof.
Background
Most of the existing lens production processes of mobile phones and the like produce lenses by a mold injection molding process, and the production mode has the following defects:
1. the production period is long, the production cost is high, and the efficiency is low;
2. the quality problems of the lens, such as silver lines, water lines, flow lines, bubbles, unsatisfactory injection molding and the like caused by the injection process, are serious;
3. the consistency of the product is poor, and the focus is changed due to different injection molding processes;
4. the product is easy to deform and has low wear resistance.
Thus, it is desirable to develop a new lens to replace the existing technology.
Disclosure of Invention
In view of the above, it is desirable to provide a thin film lens and a process for manufacturing the same, and the thin film lens of the present invention can be applied to the optical fields of mobile phones, cameras, microscopes, etc.
In order to achieve the purpose, the invention adopts the following technical scheme:
the thin film lens of the present invention comprises: the high-transparency polyester film layer and the high-transparency high polymer coating coated on the polyester film layer are curved-surface coatings.
Furthermore, the high-transparency high polymer coating is coated on one surface or two surfaces of the polyester film layer, and the two surfaces are symmetrically coated during coating.
Further, the curved surface coating is a concave surface coating or a convex surface coating.
Furthermore, the leveling degree of the polyester film layer is 0.001-0.002mm, the transparency is more than or equal to 99.99%, and the transmittance is more than or equal to 99.99%;
the transparency of the high-transparency high-polymer coating is more than or equal to 99.99 percent, and the transmittance of the high-transparency high-polymer coating is more than or equal to 99.99 percent.
Further, the polyester film layer is a co-extrusion composite film of polystyrene resin and Polycarbonate (PC).
Further, the polyester film layer is obtained by co-extruding two layers of polystyrene resin with the thickness of 0.01-0.02mm and Polycarbonate (PC) with the thickness of 0.005-0.006mm, which is sandwiched between the two layers of polystyrene resin.
Preferably, the polystyrene resin has a thickness of 0.01 mm; the Polycarbonate (PC) had a thickness of 0.005 mm.
Further, the high-transparency high polymer coating is formed by mixing 10-20 parts of ethyl acetate, 2-6 parts of single-component anaerobic adhesive, 10-20 parts of polystyrene resin, 1-3 parts of single-component anaerobic adhesive curing agent, 20-35 parts of reactive diluent, 6-12 parts of oligomer and 10-20 parts of auxiliary agent.
Preferably, the high-transparency high polymer coating is formed by mixing 15 parts of ethyl acetate, 5 parts of single-component anaerobic adhesive, 15 parts of polystyrene resin, 3 parts of single-component anaerobic adhesive curing agent, 30 parts of reactive diluent, 10 parts of oligomer and 14 parts of auxiliary agent.
Further, the auxiliary agent comprises one or more of a leveling agent, a defoaming agent, a lubricant, a delustering agent, a dispersing agent, a stabilizer, a surface slip agent and a photoinitiator.
A preparation process of the thin film lens comprises the following steps:
step 1) dust removal: after dirt on the surface of the polyester film layer is removed, high-voltage electrostatic adsorption is adopted for dust removal;
step 2) oxide layer removal: removing the oxidation layer of the dedusted polyester film layer by adopting a corona mode under a high-voltage electrostatic condition;
step 3) coating: coating a high-transparency high-molecular coating on the surface of the polyester film layer after the oxide layer is removed by adopting a spin coating mode;
step 4) curing: curing the high-transparency high-molecular coating obtained in the step (3);
and 5) cutting and carrying out optical quality inspection.
Further, the curing is performed by hot air at 100-140 ℃ for 8-10 seconds.
Further, the curing is ultraviolet curing, and the curing condition is that the curing is carried out for 5-10 seconds at 30-80 ℃.
The invention has the beneficial effects that:
the film lens adopts the film to be coated with the coating, replaces the prior art of adopting a plastic injection molding production mode, and solves the problems of water marks, flow marks, bubbles and the like in the plastic injection molding process.
The invention shortens the production process period by the film front and back coating and the unidirectional coating mode, produces the film lens with the width of 1-1.2m, has the online speed of about 350m/min which is more than 1000 times of the injection molding process; by the positioning online die cutting mode, mass production is realized, the production efficiency is greatly improved, and the production cost and the labor cost are reduced. And the prepared lens has high wear resistance, and the defective index such as imaging distortion and deformation of the finished product is basically eliminated.
Drawings
FIG. 1 is a schematic view of a concave lens of a thin film lens of the present invention;
FIG. 2 is a schematic view of a convex lens of a thin film lens of the present invention;
FIG. 3 is a schematic view of a process for manufacturing a lens according to the present invention.
Reference numerals: 1. a polyester film layer; 2. high transparent polymer coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further clearly and completely described below with reference to the embodiments of the present invention. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the invention:
the single-component anaerobic adhesive can be selected from tetraethylene glycol dimethacrylate and polyethylene glycol dimethacrylate; one or more of hydroxyethyl methacrylate, bisphenol a epoxy ester, and the like;
the anaerobic adhesive curing agent is accelerator tertiary amine and saccharin;
the active diluent is ethyl acetate;
the oligomer can be at least one of polyurea, polycarbonate, polyester or polyamide with the number average molecular weight of less than 10000;
the photoinitiator can be selected from cationic photoinitiator α -hydroxyalkyl benzophenone;
the leveling agent can be selected from: an acrylate leveling agent;
the defoaming agent can be selected from: polyether silicone oil;
the lubricant can be selected from silicone oil and aviation gasoline mixed liquid;
the delustering agent can be nano-scale magnesium dioxide;
the dispersant may be selected from barium stearate;
the stabilizer against ultraviolet light can be selected from ITO (indium Tin oxides): as nano indium tin metal oxide;
the surface slip agent is nano-grade zinc oxide.
The above raw materials are all commercially available.
The thin film lens of the present invention comprises: high transparent polyester film layer 1 to and coat in high transparent polymer coating 2 on polyester film layer 1, high transparent polymer coating 2 is the curved surface coating: as shown in fig. 1, the concave coating is a concave coating with two sides symmetrically coated with a high transparent polymer coating 2; as shown in fig. 2, is a convex coating with two-sided symmetrical coating.
Example 1
Taking a polyester film layer 1 formed by copolymerizing two layers of polystyrene resin with the thickness of 0.01mm and Polycarbonate (PC) with the thickness of 0.005mm, wherein after dirt on the surface is removed, the leveling degree of the polyester film layer 1 is 0.001mm, the transparency is more than or equal to 99.99 percent, and the light transmittance is more than or equal to 99.99 percent; dedusting by adopting high-voltage electrostatic adsorption; removing the oxidation layer of the dedusted polyester film layer 1 by adopting a corona mode under a high-voltage electrostatic condition;
taking a high-transparency high polymer coating 2 with the transparency of more than or equal to 99.99 percent and the transmittance of more than or equal to 99.99 percent, and spin-coating the surface of the polyester film layer 1 with the oxide layer removed on the two surfaces (as shown in the coating process of figure 3); curing with 100 deg.C hot air for 10 s; and cutting and carrying out optical inspection to obtain the film lens of the invention.
Example 2
Taking a polyester film layer 1 formed by copolymerizing two layers of polystyrene resin with the thickness of 0.01mm and Polycarbonate (PC) with the thickness of 0.005mm, wherein after dirt on the surface is removed, the leveling degree of the polyester film layer 1 is 0.001mm, the transparency is more than or equal to 99.99 percent, and the light transmittance is more than or equal to 99.99 percent; dedusting by adopting high-voltage electrostatic adsorption; removing the oxidation layer of the dedusted polyester film layer 1 by adopting a corona mode under a high-voltage electrostatic condition;
taking a high-transparency high polymer coating 2 consisting of 15 parts of ethyl acetate, 5 parts of single-component anaerobic adhesive (tetraethylene glycol dimethacrylate), 15 parts of polystyrene resin, 3 parts of single-component anaerobic adhesive curing agent (1: 1 of saccharin as tertiary amine), 30 parts of active diluent (ethyl acetate), 10 parts of oligomer (polyurea with the number average molecular weight less than 10000), 8 parts of photoinitiator (α -hydroxyalkyl benzophenone), 3 parts of defoaming agent (polyether silicone oil), 4 parts of lubricant (silicone oil) and 2 parts of surface smoothing agent (nano-zinc oxide), performing double-sided spin coating on the surface of the polyester film layer 1 after an oxide layer is removed (as shown in the coating process of figure 3), performing ultraviolet curing for 8 seconds at 60 ℃, cutting, and performing optical inspection to obtain the film lens disclosed by the invention after the quality is qualified.
Example 3
Taking a polyester film layer 1 formed by copolymerizing two layers of polystyrene resin with the thickness of 0.01mm and Polycarbonate (PC) with the thickness of 0.005mm, wherein after dirt on the surface is removed, the leveling degree of the polyester film layer 1 is 0.001mm, the transparency is more than or equal to 99.99 percent, and the light transmittance is more than or equal to 99.99 percent; dedusting by adopting high-voltage electrostatic adsorption; removing the oxidation layer of the dedusted polyester film layer 1 by adopting a corona mode under a high-voltage electrostatic condition;
taking a high-transparency high polymer coating 2 consisting of 11 parts of ethyl acetate, 4 parts of single-component anaerobic adhesive (tetraethylene glycol dimethacrylate), 17 parts of polystyrene resin, 3 parts of single-component anaerobic adhesive curing agent (tertiary amine: saccharin is 1:1), 22 parts of active diluent (ethyl acetate), 8 parts of oligomer (polyurea with the number average molecular weight less than 10000), 2 parts of defoaming agent (polyether silicone oil), 7 parts of lubricant (silicone oil) and 5 parts of surface smoothing agent (nano-scale zinc oxide), and carrying out double-sided spin coating on the surface of the polyester film layer 1 after the oxide layer is removed (as shown in the coating process of figure 3); curing with 100 deg.C hot air for 10 s; and cutting and carrying out optical inspection to obtain the film lens of the invention.
Example 4
Taking a polyester film layer 1 formed by copolymerizing two layers of polystyrene resin with the thickness of 0.02mm and Polycarbonate (PC) with the thickness of 0.006mm, wherein after dirt is removed from the surface, the leveling degree of the polyester film layer 1 is 0.002mm, the transparency is more than or equal to 99.99 percent, and the transmittance is more than or equal to 99.99 percent; dedusting by adopting high-voltage electrostatic adsorption; removing the oxidation layer of the dedusted polyester film layer 1 by adopting a corona mode under a high-voltage electrostatic condition;
taking a high-transparency high polymer coating 2 consisting of 15 parts of ethyl acetate, 5 parts of single-component anaerobic adhesive (bisphenol A epoxy ester), 15 parts of polystyrene resin, 3 parts of single-component anaerobic adhesive curing agent (tertiary amine: saccharin is 1:1), 30 parts of active diluent (ethyl acetate), 10 parts of oligomer (polycarbonate with the number average molecular weight less than 10000), 4 parts of flatting agent (acrylate), 5 parts of lubricant (silicone oil), 5 parts of surface dispersant (barium stearate) and 4 parts of stabilizer (nano indium tin metal oxide), and spin-coating the surface of the polyester film layer 1 with the oxide layer removed on both sides (as shown in the coating process of fig. 3); curing with 100 deg.C hot air for 10 s; and cutting and carrying out optical inspection to obtain the film lens of the invention.
Example 5
Taking a polyester film layer 1 formed by copolymerizing two layers of polystyrene resin with the thickness of 0.02mm and Polycarbonate (PC) with the thickness of 0.006mm, wherein after dirt is removed from the surface, the leveling degree of the polyester film layer 1 is 0.002mm, the transparency is more than or equal to 99.99 percent, and the transmittance is more than or equal to 99.99 percent; dedusting by adopting high-voltage electrostatic adsorption; removing the oxidation layer of the dedusted polyester film layer 1 by adopting a corona mode under a high-voltage electrostatic condition;
taking a high-transparency high polymer coating 2 consisting of 20 parts of ethyl acetate, 3 parts of single-component anaerobic adhesive (bisphenol A epoxy ester), 10 parts of polystyrene resin, 2 parts of single-component anaerobic adhesive curing agent (tertiary amine: saccharin is 1:1), 24 parts of active diluent (ethyl acetate), 16 parts of oligomer (polycarbonate with the number average molecular weight of less than 10000), 5 parts of photoinitiator (α -hydroxyalkyl phenyl ketone), 2 parts of flatting agent (acrylate), 8 parts of lubricant (silicone oil) and 4 parts of surface dispersant (barium stearate), performing double-sided spin coating on the surface of the polyester film layer 1 after an oxide layer is removed (as shown in the coating process of figure 3), curing for 10 seconds by adopting ultraviolet rays at 50 ℃, cutting, and performing optical inspection to obtain the film lens.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A thin film lens, comprising: the high-transparency polyester film layer and the high-transparency high polymer coating coated on the polyester film layer are curved surface coatings;
the leveling degree of the polyester film layer is 0.001-0.002mm, the transparency is more than or equal to 99.99%, and the transmittance is more than or equal to 99.99%;
the transparency of the high-transparency high-polymer coating is more than or equal to 99.99 percent, and the transmittance of the high-transparency high-polymer coating is more than or equal to 99.99 percent.
2. The film lens of claim 1, wherein the high transparent polymer coating is coated on one or both sides of the polyester film layer, and the coating on both sides is symmetrical.
3. The thin film lens of claim 1, wherein the curved coating is a concave coating or a convex coating.
4. The thin film lens of claim 1, wherein the polyester film layer is a co-extruded polystyrene resin and Polycarbonate (PC) composite film.
5. The thin film lens of claim 4, wherein the polyester film layer is co-extruded from two layers of polystyrene resin with a thickness of 0.01-0.02mm and Polycarbonate (PC) with a thickness of 0.005-0.006mm sandwiched between the two layers of polystyrene resin.
6. The film lens as claimed in claim 1, wherein the high transparent polymer coating is prepared by mixing 10-20 parts of ethyl acetate, 2-6 parts of single-component anaerobic adhesive, 10-20 parts of polystyrene resin, 1-3 parts of single-component anaerobic adhesive curing agent, 20-35 parts of reactive diluent, 6-12 parts of oligomer and 10-20 parts of auxiliary agent.
7. The thin film lens as claimed in claim 6, wherein the high transparent polymer coating is formed by mixing 15 parts of ethyl acetate, 5 parts of single-component anaerobic adhesive, 15 parts of polystyrene resin, 3 parts of single-component anaerobic adhesive curing agent, 30 parts of reactive diluent, 10 parts of oligomer and 14 parts of auxiliary agent.
8. The thin film lens of claim 6 or 7, wherein the auxiliary agent comprises one or more of a leveling agent, an antifoaming agent, a lubricant, a matting agent, a dispersant, a stabilizer, a surface slip agent, a photoinitiator.
9. A process for producing a thin film lens as claimed in any one of claims 1 to 8, comprising:
step 1) dust removal: after dirt on the surface of the polyester film layer is removed, high-voltage electrostatic adsorption is adopted for dust removal;
step 2) oxide layer removal: removing the oxidation layer of the dedusted polyester film layer by adopting a corona mode under a high-voltage electrostatic condition;
step 3) coating: coating a high-transparency high-molecular coating on the surface of the polyester film layer after the oxide layer is removed by adopting a spin coating mode;
step 4) curing: curing the high-transparency high-molecular coating obtained in the step (3);
and 5) cutting and carrying out optical quality inspection.
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| CN107870380B (en) * | 2017-12-22 | 2019-11-26 | 合肥工业大学 | A kind of preparation method and its product of optical film |
| CN109782378B (en) * | 2019-03-19 | 2021-02-19 | 杭州灯之塔科技有限公司 | Lens, method and device for improving object recognition degree and manufacturing method |
| CN115352180B (en) * | 2022-08-08 | 2023-10-10 | 深圳市首瓷新技术科技有限公司 | Non-planar appearance structural member backboard printing cavity structure, jig and application thereof |
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| CN1383390A (en) * | 2000-06-23 | 2002-12-04 | Lg化学株式会社 | Multi-component camposite membrane and method for preparing same |
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| CN106252452A (en) * | 2016-09-12 | 2016-12-21 | 深圳市金立通信设备有限公司 | A kind of manufacture method of optical sensor, terminal and optical sensor |
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