CN106154361A - A kind of optical lens and preparation method thereof - Google Patents
A kind of optical lens and preparation method thereof Download PDFInfo
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- CN106154361A CN106154361A CN201510182177.2A CN201510182177A CN106154361A CN 106154361 A CN106154361 A CN 106154361A CN 201510182177 A CN201510182177 A CN 201510182177A CN 106154361 A CN106154361 A CN 106154361A
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Abstract
The invention belongs to lens manufacture field, particularly relate to a kind of optical lens and preparation method thereof, it is characterised in that include that PC, UVPC, each component consist of according to mass fraction: PC 80-120 part, UVPC 0.1-0.5 part.UVPC film layer, PC layer raw material are added in extruder by the present invention, so that optical lens produces in the way of coextrusion, easy temperature control system during whole, its light transmittance of optical lens using this method to produce has reached 96%, compared to the optical lens of produced in conventional processes, its light transmittance significantly improves.Using the optical lens that method produces in the present invention, its aging resistance time is long, is generally 8-10, UVPC film layer its service life, the contact site of PC layer combines together, and the adhesive force of UVPC film layer is strong, and after over cleaning is washed away, UVPC film layer not easily runs off.
Description
Technical field
The invention belongs to lens manufacture field, particularly relate to a kind of optical lens and preparation method thereof.
Background technology
At present, the optical lens of commercial type is to plate uvioresistant Merlon (being called for short UVPC) by the way of secondary plated film on the surface of Merlon (being called for short PC).UVPC film can play to anti-ultraviolet effect, also can increase the light transmittance of lens.But adopt the optical lens that this plated film mode produces and have the disadvantage in that owing to using when PC surface coating the mode of plating to carry out, need to carry out calcination on the surface of PC, the difficult control of temperature of calcination, in optical lens, the light transmittance of PC is generally 91%, plating its light transmittance of UVPC film and be also only capable of reaching 93%, the light transmittance of optical lens is low.
Summary of the invention
The present invention is directed to above-mentioned technical problem, it is provided that a kind of mode optical lens producing high transmission rate using coextrusion and preparation method thereof.
The technical solution adopted in the present invention is: a kind of optical lens, it is characterised in that include that PC, UVPC, each component consist of according to mass fraction: PC 80-120 part, UVPC 0.1-0.5 part.
Each component consists of according to more high quality number: PC 100 parts, UVPC 0.3 part.
Described optical lens includes UVPC film layer, PC layer in terms of light source direction successively, and the thickness of described UVPC film layer is 5-20 micron, and the thickness of described PC layer is 1.5-2.5 millimeter.
The more munificent degree of described UVPC film layer is 10 microns, and the more munificent degree of described PC layer is 2 millimeters.
The preparation method of a kind of optical lens, it is characterised in that carry out in accordance with the following steps:
(1) according to as above mass fraction precise PC, UVPC；
(2) PC, the UVPC in described step (1) is respectively dried；
(3) PC, UVPC of drying in described step (2) are added in the feed arrangement of extruder, PC, UVPC heat respectively and are fused into liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer, PC layer by layering die head back outlet, by the optics roller of minute surface fine structure, UVPC film layer, the 158-162 DEG C of hot pressing of PC layer are become sheet material；
(4), in described step (3) after sheet material cooling, the upper and lower surface of sheet material is carried out overlay film；
(5) sheet material that overlay film is complete is carried out deburring, check qualified, packaging and warehousing, i.e. complete produce.
In described step (3), preferably hot pressing temperature is 160 DEG C.
The invention have the benefit that
1, UVPC film layer, PC layer raw material are added in extruder by the present invention, so that optical lens produces in the way of coextrusion, easy temperature control system during whole, its light transmittance of optical lens using this method to produce has reached 96%, compared to the optical lens of produced in conventional processes, its light transmittance significantly improves.
2, the aging resistance time of the optical lens that employing secondary plated film mode produces is short, and its service life is generally the poor adhesive force of 4-5, UVPC film layer, and after over cleaning is washed away, UVPC film layer is easy to run off；Using the optical lens that method produces in the present invention, its aging resistance time is long, is generally 8-10, UVPC film layer its service life, the contact site of PC layer combines together, and the adhesive force of UVPC film layer is strong, and after over cleaning is washed away, UVPC film layer not easily runs off.
3, using the optical lens that secondary plated film mode produces, in order to keep its preferable light transmittance, the thickness of its UVPC film layer is 5 microns；The present invention is on the premise of improving light transmittance, and the thickness of UVPC film layer has reached 5-20 micron, and the range of UVPC film layer is wider, reduces difficulty of processing.
4, present configuration, raw material are simple, it is not necessary to add special material, need optics degree roller and the made with high precision equipment of fine structure, it is prone to batch production, integral production process is very simple, production efficiency is the highest, it is easy to makes and promotes, is of great practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of optical lens in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
In figure, 1-UVPC film layer, 2-PC layer.
One, embodiment part
Embodiment 1
The preparation method of a kind of optical lens, is carried out in accordance with the following steps:
(1) according to mass fraction precise PC80 part, UVPC0.1 part；
(2) PC, UVPC are dried in being drawn into dehumidifying heat pump by feeder, dry and typically need more than 4 hours；
(3) PC, UVPC of drying in step (2) are added in the feed arrangement of extruder, electric heating equipment i.e. screw rod is had in the burner hearth of extruder, particle PC, UVPC melted by heat becomes liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer 1, PC layer 2 by layering die head back outlet, by the optics roller of minute surface fine structure, the hot pressing at 158 DEG C of UVPC film layer 1, PC layer 2 are become sheet material；There is filter screen the die head front end of extruder for impurity screening, and die head typically grows 1.5 meters, wide more than 2.3 meters, general 8 joints of screw rod, has vaccum-pumping equipment in the middle part of screw rod；PC solid slab production line has the optics roller of 3 minute surface fine structures, the optics roller function of minute surface fine structure is for adjusting sheet metal thickness, liquid becomes formed solid sheet material, and the temperature that arranges of the optics roller of 3 minute surface fine structures is respectively 180 DEG C, 160 DEG C, 145 DEG C；
(4) in step (3), sheet material passes through the cooling platform that 15-20 rice is long, natural cooling, and cooling platform rear end is laminating machine, and after sheet material cooling, the laminating machine upper and lower surface overlay film simultaneously to sheet material, overlay film extrudes smooth by rubber roll；
(5) sheet material that overlay film is complete by deburring saw make width, then carry out deburring, check qualified, packaging and warehousing, i.e. complete produce.
Producing complete optical lens and include that in terms of light source direction UVPC film layer 1, PC layer 2, the thickness of UVPC film layer 1 are 15 microns successively, the thickness of PC layer 2 is 1.5 millimeters.
Embodiment 2
The preparation method of a kind of optical lens, is carried out in accordance with the following steps:
(1) according to mass fraction precise PC90 part, UVPC0.15 part；
(2) PC, UVPC are dried in being drawn into dehumidifying heat pump by feeder, dry and typically need more than 4 hours；
(3) PC, UVPC of drying in step (2) are added in the feed arrangement of extruder, electric heating equipment i.e. screw rod is had in the burner hearth of extruder, particle PC, UVPC melted by heat becomes liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer 1, PC layer 2 by layering die head back outlet, by the optics roller of minute surface fine structure, the hot pressing at 160 DEG C of UVPC film layer 1, PC layer 2 are become sheet material；There is filter screen the die head front end of extruder for impurity screening, and die head typically grows 1.5 meters, wide more than 2.3 meters, general 8 joints of screw rod, has vaccum-pumping equipment in the middle part of screw rod；PC solid slab production line has the optics roller of 3 minute surface fine structures, the optics roller function of minute surface fine structure is for adjusting sheet metal thickness, liquid becomes formed solid sheet material, and the temperature that arranges of the optics roller of 3 minute surface fine structures is respectively 180 DEG C, 160 DEG C, 145 DEG C；
(4) in step (3), sheet material passes through the cooling platform that 15-20 rice is long, natural cooling, and cooling platform rear end is laminating machine, and after sheet material cooling, the laminating machine upper and lower surface overlay film simultaneously to sheet material, overlay film extrudes smooth by rubber roll；
(5) sheet material that overlay film is complete by deburring saw make width, then carry out deburring, check qualified, packaging and warehousing, i.e. complete produce.
Producing complete optical lens and include that in terms of light source direction UVPC film layer 1, PC layer 2, the thickness of UVPC film layer 1 are 20 microns successively, the thickness of PC layer 2 is 1.6 millimeters.
Embodiment 3
The preparation method of a kind of optical lens, is carried out in accordance with the following steps:
(1) according to mass fraction precise PC100 part, UVPC0.3 part；
(2) PC, UVPC are dried in being drawn into dehumidifying heat pump by feeder, dry and typically need more than 4 hours；
(3) PC, UVPC of drying in step (2) are added in the feed arrangement of extruder, electric heating equipment i.e. screw rod is had in the burner hearth of extruder, particle PC, UVPC melted by heat becomes liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer 1, PC layer 2 by layering die head back outlet, by the optics roller of minute surface fine structure, the hot pressing at 160 DEG C of UVPC film layer 1, PC layer 2 are become sheet material；There is filter screen the die head front end of extruder for impurity screening, and die head typically grows 1.5 meters, wide more than 2.3 meters, general 8 joints of screw rod, has vaccum-pumping equipment in the middle part of screw rod；PC solid slab production line has the optics roller of 3 minute surface fine structures, the optics roller function of minute surface fine structure is for adjusting sheet metal thickness, liquid becomes formed solid sheet material, and the temperature that arranges of the optics roller of 3 minute surface fine structures is respectively 180 DEG C, 160 DEG C, 145 DEG C；
(4) in step (3), sheet material passes through the cooling platform that 15-20 rice is long, natural cooling, and cooling platform rear end is laminating machine, and after sheet material cooling, the laminating machine upper and lower surface overlay film simultaneously to sheet material, overlay film extrudes smooth by rubber roll；
(5) sheet material that overlay film is complete by deburring saw make width, then carry out deburring, check qualified, packaging and warehousing, i.e. complete produce.
Producing complete optical lens and include that in terms of light source direction UVPC film layer 1, PC layer 2, the thickness of UVPC film layer 1 are 10 microns successively, the thickness of PC layer 2 is 2 millimeters.
Embodiment 4
The preparation method of a kind of optical lens, is carried out in accordance with the following steps:
(1) according to mass fraction precise PC110 part, UVPC0.35 part；
(2) PC, UVPC are dried in being drawn into dehumidifying heat pump by feeder, dry and typically need more than 4 hours；
(3) PC, UVPC of drying in step (2) are added in the feed arrangement of extruder, electric heating equipment i.e. screw rod is had in the burner hearth of extruder, particle PC, UVPC melted by heat becomes liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer 1, PC layer 2 by layering die head back outlet, by the optics roller of minute surface fine structure, the hot pressing at 160 DEG C of UVPC film layer 1, PC layer 2 are become sheet material；There is filter screen the die head front end of extruder for impurity screening, and die head typically grows 1.5 meters, wide more than 2.3 meters, general 8 joints of screw rod, has vaccum-pumping equipment in the middle part of screw rod；PC solid slab production line has the optics roller of 3 minute surface fine structures, the optics roller function of minute surface fine structure is for adjusting sheet metal thickness, liquid becomes formed solid sheet material, and the temperature that arranges of the optics roller of 3 minute surface fine structures is respectively 180 DEG C, 160 DEG C, 145 DEG C；
(4) in step (3), sheet material passes through the cooling platform that 15-20 rice is long, natural cooling, and cooling platform rear end is laminating machine, and after sheet material cooling, the laminating machine upper and lower surface overlay film simultaneously to sheet material, overlay film extrudes smooth by rubber roll；
(5) sheet material that overlay film is complete by deburring saw make width, then carry out deburring, check qualified, packaging and warehousing, i.e. complete produce.
Producing complete optical lens and include that in terms of light source direction UVPC film layer 1, PC layer 2, the thickness of UVPC film layer 1 are 8 microns successively, the thickness of PC layer 2 is 2.2 millimeters.
Embodiment 5
The preparation method of a kind of optical lens, is carried out in accordance with the following steps:
(1) according to mass fraction precise PC120 part, UVPC0.5 part；
(2) PC, UVPC are dried in being drawn into dehumidifying heat pump by feeder, dry and typically need more than 4 hours；
(3) PC, UVPC of drying in step (2) are added in the feed arrangement of extruder, electric heating equipment i.e. screw rod is had in the burner hearth of extruder, particle PC, UVPC melted by heat becomes liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer 1, PC layer 2 by layering die head back outlet, by the optics roller of minute surface fine structure, the hot pressing at 162 DEG C of UVPC film layer 1, PC layer 2 are become sheet material；There is filter screen the die head front end of extruder for impurity screening, and die head typically grows 1.5 meters, wide more than 2.3 meters, general 8 joints of screw rod, has vaccum-pumping equipment in the middle part of screw rod；PC solid slab production line has the optics roller of 3 minute surface fine structures, the optics roller function of minute surface fine structure is for adjusting sheet metal thickness, liquid becomes formed solid sheet material, and the temperature that arranges of the optics roller of 3 minute surface fine structures is respectively 180 DEG C, 160 DEG C, 145 DEG C；
(4) in step (3), sheet material passes through the cooling platform that 15-20 rice is long, natural cooling, and cooling platform rear end is laminating machine, and after sheet material cooling, the laminating machine upper and lower surface overlay film simultaneously to sheet material, overlay film extrudes smooth by rubber roll；
(5) sheet material that overlay film is complete by deburring saw make width, then carry out deburring, check qualified, packaging and warehousing, i.e. complete produce.
Producing complete optical lens and include that in terms of light source direction UVPC film layer 1, PC layer 2, the thickness of UVPC film layer 1 are 5 microns successively, the thickness of PC layer 2 is 2.5 millimeters.
(2) performance detection
The ordinary optical lens using identical material are selected to be measured with the sample using the inventive method to produce, the thickness of ordinary optical lens UVPC film layer 1 is 5 microns, the thickness of PC layer 2 is 2 millimeters, and in the present invention, test sample includes the series of samples that thickness is 1.5-2.5 millimeter that the thickness of UVPC film layer 1 is 5-20 micron, PC layer 2.
1, determination of light transmittance
Utilizing light transmittance tester that each sample is carried out light transmittance test, wherein the light transmittance of ordinary optical lens is 93%, and in the present invention, the light transmittance of sample has reached 96%.
2, ageing resistace measures
Using ultraviolet weather resistant experiment case that optical lens carries out ageing resistace mensuration, wherein, the power of ultraviolet lamp tube is 20W, centre wavelength is 254nm, quantity 2；The optical lens of every kind of model prepares two groups of samples, and one of which is as blank sample, and one group as laboratory sample；
Laboratory sample is put into ultraviolet weather resistant experiment case and accepts ultraviolet irradiation 72 hours, other test parameter of each laboratory sample is the most identical, after irradiation, take out laboratory sample to contrast with the blank sample of group, and using colour table as reference, the color situation of change of observation experiment sample: wherein, there is slight yellowing phenomenon in the laboratory sample of ordinary optical lens, and slight yellowing phenomenon does not occurs in the laboratory sample in the present invention；Then the laboratory sample in the present invention is accepted ultraviolet irradiate time lengthening, other experiment parameter is constant, when the laboratory sample in the present invention is accepted ultraviolet irradiate time lengthening to 144 little time, just there is slight yellowing phenomenon in laboratory sample；
Therefore, product of the present invention is compared to traditional product, and its aging resistance time is obviously prolonged, and ageing resistace is superior.
3, adhesive force measures
Each sample is soaked in the hydrochloric acid solution that concentration is 30% 24h, after immersion, sample is taken out, washing away sample surfaces plated film, after washing away, the UVPC film layer 1 on ordinary optical lens specimen surface disappears, the most intact existence of UVPC film layer 1 of each sample in the present invention, therefore, product of the present invention is compared to traditional product, and the adhesive force of UVPC film layer 1 is higher.
Above 5 embodiments of the present invention are described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., within all should still belonging to the patent covering scope of the present invention.
Claims (6)
1. an optical lens, it is characterised in that include that PC, UVPC, each component consist of according to mass fraction: PC 80-120 part, UVPC 0.1-0.5 part.
A kind of optical lens the most according to claim 1, it is characterised in that each component consists of according to more high quality number: PC 100 parts, UVPC 0.3 part.
A kind of optical lens the most according to claim 1, it is characterised in that described optical lens includes UVPC film layer, PC layer in terms of light source direction successively, and the thickness of described UVPC film layer is 5-20 micron, and the thickness of described PC layer is 1.5-2.5 millimeter.
A kind of optical lens the most according to claim 3, it is characterised in that the more munificent degree of described UVPC film layer is 10 microns, and the more munificent degree of described PC layer is 2 millimeters.
5. the preparation method of an optical lens, it is characterised in that carry out in accordance with the following steps:
(1) according to as above mass fraction precise PC, UVPC；
(2) PC, the UVPC in described step (1) is respectively dried；
(3) PC, UVPC of drying in described step (2) are added in the feed arrangement of extruder, PC, UVPC heat respectively and are fused into liquid PC, UVPC, the screw rod that liquid PC, UVPC are extruded by two extruders respectively simultaneously is advanced to double-deck die head, liquid PC, UVPC are combined and flow uniformly on the optics roller of minute surface fine structure formation UVPC film layer, PC layer by layering die head back outlet, by the optics roller of minute surface fine structure, UVPC film layer, the 158-162 DEG C of hot pressing of PC layer are become sheet material；
(4), in described step (3) after sheet material cooling, the upper and lower surface of sheet material is carried out overlay film；
(5) sheet material that overlay film is complete is carried out deburring, check qualified, packaging and warehousing, i.e. complete produce.
The preparation method of a kind of optical lens the most according to claim 5, it is characterised in that in described step (3), preferably hot pressing temperature are 160 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182177.2A CN106154361A (en) | 2015-04-16 | 2015-04-16 | A kind of optical lens and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182177.2A CN106154361A (en) | 2015-04-16 | 2015-04-16 | A kind of optical lens and preparation method thereof |
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| CN106154361A true CN106154361A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510182177.2A Pending CN106154361A (en) | 2015-04-16 | 2015-04-16 | A kind of optical lens and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135238A (en) * | 2018-07-28 | 2019-01-04 | 望江县天长光学仪器有限公司 | A kind of preparation method of high cracking resistance lens |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202241887U (en) * | 2011-08-25 | 2012-05-30 | 品诚塑胶科技（上海）有限公司 | Double-side coated sunshine board production device |
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
-
2015
- 2015-04-16 CN CN201510182177.2A patent/CN106154361A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202241887U (en) * | 2011-08-25 | 2012-05-30 | 品诚塑胶科技（上海）有限公司 | Double-side coated sunshine board production device |
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135238A (en) * | 2018-07-28 | 2019-01-04 | 望江县天长光学仪器有限公司 | A kind of preparation method of high cracking resistance lens |
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Application publication date: 20161123 |