CN109135238A - A kind of preparation method of high cracking resistance lens - Google Patents
A kind of preparation method of high cracking resistance lens Download PDFInfo
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- CN109135238A CN109135238A CN201810848869.XA CN201810848869A CN109135238A CN 109135238 A CN109135238 A CN 109135238A CN 201810848869 A CN201810848869 A CN 201810848869A CN 109135238 A CN109135238 A CN 109135238A
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- Prior art keywords
- cracking resistance
- polycarbonate
- preparation
- high cracking
- lens
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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
- G02B1/04—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to lens technologies, specifically disclose a kind of preparation method of high cracking resistance lens, include the following steps: S1, polycarbonate is heated to molten condition, it is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cooling, obtain modified polycarbonate；S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, is then placed on the optics roller of mirror surface fine structure and forms composite film, composite film progress hot pressing is made by mirror material by the optics roller of mirror surface fine structure；S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens.The lens that the present invention obtains have excellent cracking resistance.
Description
Technical field
The present invention relates to lens technologies, and in particular to a kind of preparation method of high cracking resistance lens.
Background technique
Lens are according to made of the law of refraction of light, are a kind of optical elements made of transparency material.Lens institute at
Picture there is real image also to have the virtual image.Lens can be widely applied to each neck such as security protection, vehicle-mounted, digital camera, laser, optical instrument
Domain, as market is constantly developed, lens technologies are also increasingly widely used.But existing lens cracking resistance is not high, it is difficult
To meet the needs of market, keep the performance of enterprises not high.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparation methods of high cracking resistance lens.This hair
Bright obtained lens have excellent cracking resistance.
A kind of preparation method of high cracking resistance lens proposed by the present invention, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens.
Preferably, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:0.2-1.5:0.3-1.4.
Preferably, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:0.5-1:0.6-0.9.
Preferably, in S1, polycarbonate is heated to 260-280 DEG C.
Preferably, in S1, the time of insulated and stirred is 45-60min.
Preferably, in S2, the viscosity of modified polycarbonate is 4000-5000cps.
Preferably, in S2, the viscosity of polyurethane is 3000-5000cps.
Preferably, in S2, the temperature of hot pressing is 160-170 DEG C.
The present invention is first composite modified to polycarbonate progress using cotton fiber and artificial schellite when preparing lens, due to tungsten
Sour calcium can reduce the glassy transition point and volume contraction coefficient of polycarbonate, and then improve the low temperature anti-cracking of polycarbonate
Property；Cotton fiber is added, has the characteristics that intensity is high, modulus is high, amount of plastic deformation is smaller, and the structure of cotton fiber internal defect
It can be adsorbed under high temperature on the polycarbonate of generating body product expansion, reduce polycarbonate and crack, improve polycarbonate
High-temperature stability and high temperature are cracking；By the collective effect of cotton fiber and artificial schellite, high/low temperature anti-cracking of the invention is improved
Property；Further, since cotton fiber short texture itself, large specific surface area, to the strong adsorption force of polycarbonate and artificial schellite, to increase
Cementing properties between big polycarbonate and artificial schellite, improves the adhesion strength of entire mixture, further increases of the invention
Anti-cracking performance.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens.
Embodiment 2
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:0.2:1.4.
Embodiment 3
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:1.5:0.3；
In S1, polycarbonate is heated to 270 DEG C；
In S1, the time of insulated and stirred is 55min；
In S2, the viscosity of modified polycarbonate is 4500cps；
In S2, the viscosity of polyurethane is 4000cps；
In S2, the temperature of hot pressing is 165 DEG C.
Embodiment 4
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:0.5:0.9；
In S1, polycarbonate is heated to 260 DEG C；
In S1, the time of insulated and stirred is 60min；
In S2, the viscosity of modified polycarbonate is 4000cps；
In S2, the viscosity of polyurethane is 5000cps；
In S2, the temperature of hot pressing is 160 DEG C.
Embodiment 5
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cold
But, modified polycarbonate is obtained；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, the weight ratio of polycarbonate, artificial schellite and cotton fiber is 1:1:0.6；
In S1, polycarbonate is heated to 280 DEG C；
In S1, the time of insulated and stirred is 45min；
In S2, the viscosity of modified polycarbonate is 5000cps；
In S2, the viscosity of polyurethane is 3000cps；
In S2, the temperature of hot pressing is 170 DEG C.
Comparative example 1
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring cotton fiber, continue insulated and stirred, it is cooling, changed
Property polycarbonate；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, polycarbonate, cotton fiber weight ratio be 1:0.6；
In S1, polycarbonate is heated to 280 DEG C；
In S1, the time of insulated and stirred is 45min；
In S2, the viscosity of modified polycarbonate is 5000cps；
In S2, the viscosity of polyurethane is 3000cps；
In S2, the temperature of hot pressing is 170 DEG C.
Comparative example 2
A kind of preparation method of high cracking resistance lens, includes the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite, continue insulated and stirred, it is cooling, changed
Property polycarbonate；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, it is micro- to be then placed in mirror surface
Composite film is formed on the optics roller of fine texture, composite film is carried out by hot pressing by the optics roller of mirror surface fine structure
Cheng Jingcai；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens；
Wherein, in S1, polycarbonate, artificial schellite weight ratio be 1:1；
In S1, polycarbonate is heated to 280 DEG C；
In S1, the time of insulated and stirred is 45min；
In S2, the viscosity of modified polycarbonate is 5000cps；
In S2, the viscosity of polyurethane is 3000cps；
In S2, the temperature of hot pressing is 170 DEG C.
Test example
The lens that obtain respectively to embodiment 5, comparative example 1 and comparative example 2 and lens on the market carry out anti-cracking performance
Test, is successively denoted as test group and control group 1-3；Test result is as follows table:
| Project | Number of Fractures | Flaw area/mm2 |
| Test group | 1 | 32 |
| Control group 1 | 4 | 330 |
| Control group 2 | 5 | 370 |
| Control group 3 | 13 | 560 |
As can be seen from the above table, the present invention uses artificial schellite and the composite modified polycarbonate of cotton fiber, can significantly improve
The anti-cracking performance of lens.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of high cracking resistance lens, which is characterized in that include the following steps:
S1, polycarbonate is heated to molten condition, is added with stirring artificial schellite and cotton fiber, continue insulated and stirred, it is cooling, it obtains
To modified polycarbonate；
S2, it is uniformly mixed after modified polycarbonate and polyurethane to be separately heated to molten state, is then placed in the fine knot of mirror surface
Composite film is formed on the optics roller of structure, composite film progress hot pressing is made by mirror by the optics roller of mirror surface fine structure
Material；
S3, after cooling down mirror material, overlay film is carried out to the upper and lower surface of mirror material, deburring obtains high cracking resistance lens.
2. the preparation method of high cracking resistance lens according to claim 1, which is characterized in that in S1, polycarbonate, artificial schellite and
The weight ratio of cotton fiber is 1:0.2-1.5:0.3-1.4.
3. the preparation method of high cracking resistance lens according to claim 2, which is characterized in that in S1, polycarbonate, artificial schellite and
The weight ratio of cotton fiber is 1:0.5-1:0.6-0.9.
4. the preparation method of high cracking resistance lens according to claim 1 or claim 2, which is characterized in that in S1, polycarbonate is heated to
260-280℃。
5. the preparation method of high cracking resistance lens according to claim 1 or claim 2, which is characterized in that in S1, the time of insulated and stirred
For 45-60min.
6. the preparation method of high cracking resistance lens according to claim 1 or claim 2, which is characterized in that in S2, modified polycarbonate
Viscosity is 4000-5000cps.
7. the preparation method of high cracking resistance lens according to claim 1 or claim 2, which is characterized in that in S2, the viscosity of polyurethane is
3000-5000cps。
8. the preparation method of high cracking resistance lens according to claim 1 or claim 2, which is characterized in that in S2, the temperature of hot pressing is
160-170℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848869.XA CN109135238A (en) | 2018-07-28 | 2018-07-28 | A kind of preparation method of high cracking resistance lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848869.XA CN109135238A (en) | 2018-07-28 | 2018-07-28 | A kind of preparation method of high cracking resistance lens |
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| CN109135238A true CN109135238A (en) | 2019-01-04 |
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| CN201810848869.XA Pending CN109135238A (en) | 2018-07-28 | 2018-07-28 | A kind of preparation method of high cracking resistance lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951231A (en) * | 2019-12-10 | 2020-04-03 | 深圳市佳美达光电有限公司 | Car light point light source lens and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104487765A (en) * | 2012-07-24 | 2015-04-01 | 出光狮王塑料株式会社 | Vehicle lamp |
| CN105398157A (en) * | 2015-11-19 | 2016-03-16 | 方益龙 | Warning type packing material |
| CN106154361A (en) * | 2015-04-16 | 2016-11-23 | 九格能源科技（天津）有限公司 | A kind of optical lens and preparation method thereof |
-
2018
- 2018-07-28 CN CN201810848869.XA patent/CN109135238A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104487765A (en) * | 2012-07-24 | 2015-04-01 | 出光狮王塑料株式会社 | Vehicle lamp |
| CN106154361A (en) * | 2015-04-16 | 2016-11-23 | 九格能源科技（天津）有限公司 | A kind of optical lens and preparation method thereof |
| CN105398157A (en) * | 2015-11-19 | 2016-03-16 | 方益龙 | Warning type packing material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951231A (en) * | 2019-12-10 | 2020-04-03 | 深圳市佳美达光电有限公司 | Car light point light source lens and preparation method thereof |
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Application publication date: 20190104 |