CN109031697B - Hot-pressing optical film and manufacturing process of hot-pressing polarized lens thereof - Google Patents
Hot-pressing optical film and manufacturing process of hot-pressing polarized lens thereof Download PDFInfo
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- CN109031697B CN109031697B CN201811103531.8A CN201811103531A CN109031697B CN 109031697 B CN109031697 B CN 109031697B CN 201811103531 A CN201811103531 A CN 201811103531A CN 109031697 B CN109031697 B CN 109031697B
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a hot-pressing optical film and a manufacturing process of a hot-pressing polarized lens thereof, wherein the manufacturing process comprises the following steps: s1, preparing plastic; s2, selecting a needed material film layer, coating plastic glue between the film layer and a polarizing film PVA, and compounding to form a needed polarizing layer; s3, adhering a release film on the outer layer of the polarizing film to protect the plastic on the outer layer; s4, bending and shaping the polarizing film layer; s5, carrying out hot pressing on the bending and shaping film and the negative films made of different materials to obtain the hot-pressed polarized lens. The multi-material hot-pressing optical film and the hot-pressing polarized lens produced by the process have the advantages of good fastness, strong optical performance and difficult color change; the energy can be effectively saved, the resource loss is reduced, the production cost is reduced, and the production yield is improved.
Description
Technical Field
The invention belongs to the field of optical materials, and particularly relates to a hot-pressing optical film and a manufacturing process of a hot-pressing polarized lens thereof.
Background
At present, polarized sunglass lenses made of materials such as PC, PA, PET, PMMA and the like are produced by combining a PVA polarized layer and materials such as TAC, PC, PA, PET, PMMA and the like in advance and then combining the polarized sunglass lenses with materials such as bottom films PC, PA, PET, PMMA and the like through high-temperature injection molding. Due to the characteristics of materials such as PC, PA, PET, PMMA and the like, the materials are difficult to be well combined with the PVA polarizing layer, so that the fastness of the polarizing layer and the materials such as PC, PA, PET, PMMA and the like is not good and the materials are easy to be layered after the polarizing lens made of the materials such as PC, PA, PET, PMMA and the like is produced by injection molding; and because of the temperature intolerance of the PVA polarizing layer, the polarizing layer is easy to burn and dissolve after injection molding, the polarizing performance is reduced, the polarizing layer is discolored, and the like. Thereby causing increased cost and waste of resources and energy.
Disclosure of Invention
The invention aims to provide a hot-pressing optical film and a manufacturing process of a hot-pressing polarized lens thereof.
The technique and method adopted by the present invention to solve the above problems are as follows:
a hot-pressing optical film and a manufacturing process of a hot-pressing polarized lens thereof comprise the following steps:
s1, mixing 46% of Polyurethane, 21% of plastic rubber and 25% of total oxidized petroleum resin according to the mass ratio, stirring for 1.5 hours, then adding 5.5% of an auxiliary agent, and stirring for 0.5 hour; then adding 1.0% of antioxidant, and stirring for 0.5 hour; finally adding 1.5% of an anti-reflection agent, and stirring for 2 hours to obtain the plastic cement;
s2, selecting a needed material film layer, coating plastic glue between the film layer and a polarizing film PVA, and compounding to form a needed polarizing layer; wherein the optimal coating thickness of the plastic adhesive is 15-25 μm, the compounding temperature is 80-90 ℃, and the baking time is 3 minutes;
s3, adhering a delamination type film on the outer layer of the polarizing film layer compounded according to the step S2 to protect the plastic on the outer layer;
s4, bending and shaping the polarizing film layer in the step S3 according to a required model; the bending and shaping temperature is 90-100 ℃, the duration is 20 seconds, and the plastic can be kept not to be melted;
s5, carrying out hot pressing on the press-bending shaping film obtained in the step S4 and negative films made of different materials to obtain a hot-pressed polarized lens; the temperature of the hot pressing mirror is required to be 120-130 ℃, and the duration is not less than 5'; the plastic can be melted at 120-130 ℃ to firmly combine the polarizing layer and the negative film.
Further, the manufacturing process of the hot-pressed optical film comprises the following steps:
s1, mixing 46% of Polyurethane, 21% of plastic rubber and 25% of total oxidized petroleum resin according to the mass ratio, stirring for 1.5 hours, then adding 5.5% of an auxiliary agent, and stirring for 0.5 hour; then adding 1.0% of antioxidant, and stirring for 0.5 hour; finally adding 1.5% of an anti-reflection agent, and stirring for 2 hours to obtain the plastic cement;
s2, preheating the required composite roller until the required set temperature is 100-110 ℃;
s3, selecting a required material film layer, and compounding a single-layer material film or a plurality of layers of material films through plastic; wherein the optimal thickness of the plastic is 15-25 μm, the compounding temperature is 120-130 ℃, and the time of the film layer on the compounding roller is not less than 5 seconds;
and S4, bonding by a composite roller, and cooling to obtain the hot-pressed optical film.
Further, the bottom plate material is PC, PA, PET and PMMA.
Further, the polarizing layer is formed by compounding TAC, PC, PA, PET and PMMA with PVA in a single layer or multiple layers.
The multi-material hot-pressing optical film and the hot-pressing polarized lens produced by the process have the advantages of good fastness, strong optical performance and difficult color change; the energy can be effectively saved, the resource loss is reduced, the production cost is reduced, and the production yield is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a bottom plate made of PC, PA, PET and PMMA materials;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 shows a polarizing layer formed by combining single or multiple layers of TAC, PC, PA, PET, PMMA and PVA;
FIG. 4 is a side view of the FIG. 3 structure;
FIG. 5 is the press bending configuration of FIG. 3;
FIG. 6 shows a polarized lens made of PC, PA, PET, PMMA, etc.;
FIG. 7 is a diagram of a dual-layer thermo-compression composite optical film according to the present invention;
FIG. 8 is a diagram of a multilayer thermal compression composite optical film according to the present invention.
In the figure: 1. a negative film; 2. a polarizing layer; 3. bending the shaping film; 4-1, a film layer; 4-2, a polarizing film PVA; 4-3, release film; 4-4, plastic cement; 7-2, 8-2 and 8-4 are plastic glue layers; 7-1, 7-3, 8-1, 8-3 and 8-5 are film layers.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will make the scope of the invention more clearly and unequivocally defined;
the invention discloses a hot-pressing optical film and a manufacturing process of a hot-pressing polarized lens thereof, which comprises the following steps:
s1, mixing 46% of Polyurethane, 21% of plastic rubber and 25% of total oxidized petroleum resin according to the mass ratio, stirring for 1.5 hours, then adding 5.5% of an auxiliary agent, and stirring for 0.5 hour; then adding 1.0% of antioxidant, and stirring for 0.5 hour; finally adding 1.5% of an anti-reflection agent, and stirring for 2 hours to obtain the plastic cement;
s2, selecting a needed material film layer, coating plastic glue as shown in figure 4, and compounding the plastic glue between the film layer 4-1 and a polarizing film PVA4-2 to form a needed polarizing layer; wherein the optimal coating thickness of the plastic adhesive is 15-25 μm, the compounding temperature is 80-90 ℃, and the baking time is 3 minutes;
s3, adhering a delamination type film 4-3 on the outer layer of the polarizing film layer compounded according to the step S2 to protect the outer layer of the polarizing film layer which can be plastic 4-4;
s4, bending and shaping the polarizing film layer obtained in the step S3 according to a required model as shown in FIG. 5; the bending and shaping temperature is 90-100 ℃, the duration is 20 seconds, and the plastic can be kept not to be melted;
s5, carrying out hot pressing on the press-bending shaping film 3 obtained in the step S4 and a bottom plate 1 made of different materials and shown in the figure 1 to obtain a hot-pressed polarized lens, shown in the figure 6; the temperature of the hot pressing mirror is required to be 120-130 ℃, and the duration is not less than 5'; the plastic can be melted at 120-130 ℃ to firmly combine the polarizing layer 2 and the negative film 1.
The hot-pressing optical film comprises the following manufacturing process steps:
s1, mixing 46% of Polyurethane, 21% of plastic rubber and 25% of total oxidized petroleum resin according to the mass ratio, stirring for 1.5 hours, then adding 5.5% of an auxiliary agent, and stirring for 0.5 hour; then adding 1.0% of antioxidant, and stirring for 0.5 hour; finally adding 1.5% of an anti-reflection agent, and stirring for 2 hours to obtain the plastic cement;
s2, preheating the required composite roller until the required set temperature is 100-110 ℃;
s3, selecting a required material film layer, as shown in figure 7-8, wherein 7-2, 8-2 and 8-4 are plastic glue layers, and single-layer material films 7-1 and 7-3 or multi-layer material films 8-1, 8-3 and 8-5 are compounded through plastic; wherein the optimal thickness of the plastic is 15-25 μm, the compounding temperature is 120-130 ℃, and the time of the film layer on the compounding roller is not less than 5 seconds;
and S4, bonding by a composite roller, and cooling to obtain the hot-pressed optical film.
The bottom plate 1 is made of PC, PA, PET and PMMA.
The polarizing layer 2 is formed by compounding single-layer or multi-layer TAC, PC, PA, PET and PMMA materials with PVA.
After the technical scheme is adopted, the multi-material hot-pressing polarized lens and the multi-material hot-pressing optical film produced by the process have the advantages of good fastness, strong optical performance and difficult color change; the energy can be effectively saved, the resource loss is reduced, the production cost is reduced, and the production yield is improved.
The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of by the inventive labor should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. A manufacturing process of a hot-pressing polarized lens is characterized by comprising the following steps:
s1, mixing 46% of Polyurethane, 21% of plastic rubber and 25% of total oxidized petroleum resin according to the mass ratio, stirring for 1.5 hours, then adding 5.5% of an auxiliary agent, and stirring for 0.5 hour; then adding 1.0% of antioxidant, and stirring for 0.5 hour; finally adding 1.5% of an anti-reflection agent, and stirring for 2 hours to obtain the plastic cement;
s2, selecting a needed material film layer, coating plastic glue between the film layer (4-1) and the polarizing film PVA (4-2) to compound into a needed polarizing layer; wherein the optimal coating thickness of the plastic adhesive is 15-25 μm, the compounding temperature is 80-90 ℃, and the baking time is 3 minutes;
s3, according to the polarizing layer compounded in the step S2, a delamination type film (4-3) is pasted on the outer layer of the polarizing layer, and the outer layer can be protected by plastic (4-4);
s4, bending and shaping the polarizing film layer in the step S3 according to a required model; the bending and shaping temperature is 90-100 ℃, the duration is 20 seconds, and the plastic can be kept not to be melted;
s5, carrying out hot pressing on the press-bending shaping film (3) obtained in the step S4 and the negative films (1) made of different materials to obtain hot-pressed polarized lenses; the temperature of the hot pressing mirror is required to be 120-130 ℃, and the duration is not less than 5'; the plastic can be melted at 120-130 ℃ to firmly combine the polarizing layer (2) and the negative film (1).
2. The manufacturing process of a hot-pressed polarized lens according to claim 1, wherein: the bottom plate (1) is made of PC, PA, PET and PMMA.
3. The manufacturing process of a hot-pressed polarized lens according to claim 1, wherein: the polarizing layer (2) is formed by compounding a single layer or multiple layers of TAC, PC, PA, PET and PMMA materials with PVA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811103531.8A CN109031697B (en) | 2018-09-20 | 2018-09-20 | Hot-pressing optical film and manufacturing process of hot-pressing polarized lens thereof |
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| CN201811103531.8A CN109031697B (en) | 2018-09-20 | 2018-09-20 | Hot-pressing optical film and manufacturing process of hot-pressing polarized lens thereof |
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| CN109031697A CN109031697A (en) | 2018-12-18 |
| CN109031697B true CN109031697B (en) | 2020-03-24 |
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| CN113004851A (en) * | 2021-03-09 | 2021-06-22 | 京钻（厦门）科技有限公司 | Optical adhesive for adhering glass and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7002744B2 (en) * | 1999-11-22 | 2006-02-21 | Younger Mfg. Co. Dba Younger Optics | Polarized optical part using high impact polyurethane-based material |
| JP4286379B2 (en) * | 1999-04-27 | 2009-06-24 | 新日本石油株式会社 | Transcription element |
| JP4220627B2 (en) * | 1999-08-04 | 2009-02-04 | 日東電工株式会社 | Polarizing member and liquid crystal display device |
| CN2505866Y (en) * | 2001-10-18 | 2002-08-14 | 厦门亚东眼镜企业有限公司 | Polarizing lens |
| CN1743165A (en) * | 2005-05-19 | 2006-03-08 | 厦门亚东眼镜企业有限公司 | Method for preparing polarization optical lens |
| CN100383607C (en) * | 2006-01-23 | 2008-04-23 | 厦门亚东眼镜企业有限公司 | Improved structure of polarizing optical lens and making method thereof |
| FR2897693B1 (en) * | 2006-02-23 | 2008-11-21 | Essilor Int | POLARIZING OPTICAL ELEMENT COMPRISING A POLARIZER FILM AND METHOD OF FARBINATING SUCH A ELEMENT |
| PL2018262T3 (en) * | 2006-05-15 | 2010-12-31 | Essilor Int | Process for applying a layered structure on a lens |
| CN101226255B (en) * | 2007-01-19 | 2011-05-11 | 厦门特朗诗眼镜有限公司 | Method for producing tempered glass polarizing lens |
| US8568624B2 (en) * | 2009-02-18 | 2013-10-29 | Lg Chem, Ltd. | Acrylic resin composition, and optical film comprising same |
| KR101587374B1 (en) * | 2012-04-24 | 2016-01-20 | 코니카 미놀타 가부시키가이샤 | Process for production of hard coat film |
| CN104880834B (en) * | 2015-05-04 | 2018-06-12 | 李国荣 | Compound polarized lenses and preparation method thereof |
| CN105353437A (en) * | 2015-11-10 | 2016-02-24 | 丹阳佰易视光学眼镜有限公司 | Method for making resin glass polarized lens |
| CN106896443A (en) * | 2017-03-10 | 2017-06-27 | 江苏全真光学科技股份有限公司 | The preparation technology of polarized lenses and its polarized lenses of preparation |
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