CN106674852B - A kind of anti-blue light eyeglass and its resin raw material - Google Patents
A kind of anti-blue light eyeglass and its resin raw material Download PDFInfo
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- CN106674852B CN106674852B CN201611215521.4A CN201611215521A CN106674852B CN 106674852 B CN106674852 B CN 106674852B CN 201611215521 A CN201611215521 A CN 201611215521A CN 106674852 B CN106674852 B CN 106674852B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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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
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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Abstract
This application involves eyeglass fields, specifically, are related to a kind of anti-blue light eyeglass and its resin raw material.Contain matrix polymer and anti-blue light additive in eyeglass, anti-blue light additive is the oxide nano rare earth of surface-modified processing, contains 3- methacryloxy trimethoxy silane and polymethyl methacrylate in modified material used in surface modification treatment.The application will be added in matrix polymer by the oxide nano rare earth of surface cladding processing, so that eyeglass be made to have preferable conversion absorption function with the high energy blue light to 400~470nm.To ensure that the high transparency and low haze of eyeglass, the requirement that myopia, presbyopic, sunglasses manufacture can be met simultaneously, there is extensive adaptability.
Description
Technical field
This application involves eyeglass fields, specifically, are related to a kind of anti-blue light eyeglass and its resin raw material.
Background technique
Anti-blue light glasses refer to lens materials to 400~500nm wavelength light, the blue light of especially 420~470nm wavelength
There are the product of preferably absorption or shielding action, such as sunglasses, near-sighted glasses, presbyopic glasses.Current way is on the surface of eyeglass
Coating achievees the purpose that anti-blue light, but this to the lower coating of the light penetration of 420~460nm wavelength, such as epiphysin coating
The transmitance of the product visible light of kind method preparation is generally less than 80%, if the meeting on the near-sighted glasses of people's long periods of wear
Damage the eyesight of wearer；The complex process of this method simultaneously, higher cost.
In consideration of it, special propose the application.
Summary of the invention
The primary goal of the invention of the application is to propose a kind of anti-blue light eyeglass.
The second goal of the invention of the application is to propose the anti-blue light lens resin raw material.
The third goal of the invention of the application is to propose the preparation method of the anti-blue light lens resin raw material.
In order to complete the purpose of the application, the technical solution of use are as follows:
This application involves a kind of anti-blue light eyeglass, matrix polymer and anti-blue light additive are contained in the eyeglass, it is described
Anti-blue light additive is the oxide nano rare earth of surface-modified processing, modified material used in the surface modification treatment
In contain 3- methacryloxy trimethoxy silane and polymethyl methacrylate；Preferably, the anti-blue light additive
Mass percentage content be 1~3%.
Preferably, the rare earth oxide is selected from least one of lanthana, cerium oxide, praseodymium oxide, neodymia, preferably
For the mixture of cerium oxide and praseodymium oxide, the matrix polymer is in plexiglass and polycarbonate
It is at least one；It is furthermore preferred that the weight ratio of cerium oxide and praseodymium oxide is 5~10: 1~5, preferably 7~10: 1~3.
Preferably, the partial size of the oxide nano rare earth is 2~10nm, preferably 2~5nm.
Preferably, the preparation method of the anti-blue light additive at least includes the following steps:
(1) rare earth oxide and 3- methacryloxy trimethoxy silane are added in organic solvent, are sufficiently mixed；
(2) methyl methacrylate and initiator is then added, after being sufficiently mixed under conditions of 70~80 DEG C reaction 2~
8 hours；
(3) after the reaction was completed, the anti-blue light additive is obtained after precipitating and drying.
Preferably, in step (1), the mass ratio of rare earth oxide and 3- methacryloxy trimethoxy silane is
10~30: 1；Preferably, the organic solvent is selected from benzene kind solvent, more preferable toluene.
Preferably, in step (2), the weight of 3- methacryloxy trimethoxy silane and methyl methacrylate
Than being 1: 40~100.
Preferably, in step (1) and step (2), described be mixed into is mixed under ultrasound condition；In step (2)
In, reaction temperature is preferably 75~78 DEG C, and the reaction time is preferably 3~4 hours.
Preferably, in step (3), methanol is added into reaction system and is precipitated, methanol and the organic solvent
Volume ratio is 1: 5~10.
The application further relates to a kind of resin raw material for being used to prepare the application anti-blue light eyeglass.
The application further relates to the preparation method of the resin raw material, at least includes the following steps: matrix polymer is dry, so
The anti-blue light additive that addition mass percentage content is 1~3% afterwards, extruding pelletization under the conditions of 180~240 DEG C, i.e.,
Obtain the resin raw material.
The technical solution of the application at least has following beneficial effect:
The application will be added in matrix polymer by the oxide nano rare earth of surface cladding processing, to make eyeglass
There is preferable conversion absorption function with the high energy blue light to 400~470nm.
Since nano material has very big specific surface and surface energy, thus easily reunite, if by oxide nano rare earth
It is directly added into matrix polymer and is kneaded, obtained intermingling material transparency decline, mist degree increase is very high, cannot
It uses, needs thus modified to nano material progress surface as ocular lens material.The present patent application, which uses, contains 3- methacryl
The modified material of oxygroup trimethoxy silane and polymethyl methacrylate realizes the coating modification to nano material, makes nanometer
Material has splendid dispersibility in the plastics such as PMMA.To ensure that the high transparency and low haze of eyeglass, can expire simultaneously
The requirement that foot myopia, presbyopic, sunglasses manufacture, has extensive adaptability.
Detailed description of the invention
Fig. 1 is the transmission spectrogram of the anti-blue light eyeglass of 2mm thickness in the embodiment of the present application.
Specific embodiment
Combined with specific embodiments below, the application is further described.It should be understood that these embodiments are merely to illustrate the application
Rather than limitation scope of the present application.
This application involves a kind of anti-blue light eyeglass, contain matrix polymer and anti-blue light additive in eyeglass, wherein eyeglass
In raw material include: matrix polymer be selected from least one of plexiglass and polycarbonate；Anti-blue light
Additive is the oxide nano rare earth of surface-modified processing, and rare earth oxide is selected from lanthana, cerium oxide, praseodymium oxide, oxygen
Change at least one of neodymium；Contain 3- methacryloxy trimethoxy silicon in modified material used in surface modification treatment
Alkane (MPTMS) and polymethyl methacrylate (PMMA).Nanometer level RE oxide has ultraviolet and 400~470nm blue light
There is preferable absorption characteristic, simultaneously because its partial size is much smaller than the wavelength of visible light, therefore the application receiving by modification
Rice rare earth oxide is added in matrix polymer, to not only maintain the high visible light transmissivity of eyeglass, low haze, but also has
There is preferable conversion absorption function to the high energy blue light of 400~470nm.
As a kind of improvement of the application anti-blue light eyeglass, the mass percentage content of anti-blue light additive is 1~3%,
Its upper content limit can be 2.75%, 2.5%, 2.25%, 2%, and content lower limit can be 1.2%, 1.6%, 1.8%, content
Range can be made of any number in upper and lower bound, and preferably 1.5~2.5%, more preferably 1.8~2.2%.If added
Dosage is too small, then too low to the absorptivity of high energy blue light and ultraviolet light (especially ultraviolet light), and wanting for anti-blue light glasses is not achieved
It asks；If adding too much, nano-scale particle can then generate aggregation, then influence the transparency of eyeglass, increase mist degree, while
Eyeglass can be made to become fragile.
As a kind of improvement of the application anti-blue light eyeglass, rare earth oxide is selected from the mixture of cerium oxide and praseodymium oxide.
The application it has been investigated that, nano-cerium oxide is better than nano oxidized praseodymium to the absorption of ultraviolet light, and nano oxidized praseodymium to 450~
The absorption of the blue light of 460nm wavelength is better than nano-cerium oxide, and therefore, while the mixture for adding cerium oxide and praseodymium oxide is added to
In eyeglass, there can be preferable absorption to blue light and ultraviolet light simultaneously.
As a kind of improvement of the application anti-blue light eyeglass, the weight ratio of cerium oxide and praseodymium oxide is 5~10: 1~5, excellent
It is selected as 7~10: 1~3.The application it has been investigated that, under the ratio, more to the absorbability of ultraviolet light and high energy blue light
By force.
As a kind of improvement of the application anti-blue light eyeglass, the partial size of oxide nano rare earth is 2~10nm, preferably 2~
5nm.Partial size is smaller, smaller on the influence of the light transmission rate of eyeglass, and partial size is too small, during the preparation process easier generation group
It is poly-, and cost is higher.
As a kind of improvement of the application anti-blue light eyeglass, the method for surface modification treatment uses in-situ polymerization modification side
Method, with the defect for overcoming nano material easily to reunite, preparation method is at least included the following steps:
(1) rare earth oxide and 3- methacryloxy trimethoxy silane (MPTMS) are added in organic solvent, are filled
Divide mixing；
(2) methyl methacrylate (MMA) and initiator is then added, it is anti-under conditions of 70~80 DEG C after being sufficiently mixed
It answers 2~8 hours；
(3) after the reaction was completed, the oxide nano rare earth of the surface-modified processing is obtained after precipitating and drying, is passed through
The partial size of oxide nano rare earth is 3~10nm after processing.
As a kind of improvement of the application anti-blue light eyeglass, in step (1), rare earth oxide and 3- methacryloxypropyl
The mass ratio of base trimethoxy silane is 10~30: 1, preferably 12.5~25: 1.In the range, to oxide nano rare earth
The modifying function of particle is preferable.
As a kind of improvement of the application anti-blue light eyeglass, organic solvent is selected from benzene kind solvent, more preferable toluene.
As a kind of improvement of the application anti-blue light eyeglass, in step (2), 3- methacryloxy trimethoxy silicon
The weight ratio of alkane (MPTMS) and methyl methacrylate (MMA) is 1: 40~100.In the range, it can further improve to receiving
The coating function of rice rare earth oxide particle, improves the dispersibility of modified Nano rare earth oxide.
It is described to be mixed into ultrasound in step (1) and step (2) as a kind of improvement of the application anti-blue light eyeglass
Under the conditions of mixed, i.e., preferably mixed in ultrasonic mixer, mixing can further be shortened using ultrasonic mixer
Time improves production efficiency.
As a kind of improvement of the application anti-blue light eyeglass, in step (2), initiator is selected from benzoyl peroxide
(BPO), reaction temperature is 75~78 DEG C, and the reaction time is 3~4 hours.
As a kind of improvement of the application anti-blue light eyeglass, in step (1), the mixed time is 30~80min；In step
Suddenly in (2), the mixed time is 10~30min.
As a kind of improvement of the application anti-blue light eyeglass, in step (3), methanol is added into reaction system and is sunk
It forms sediment, the volume ratio of methanol and organic solvent is 1: 5~10.
As a kind of improvement of the application anti-blue light eyeglass, in step (3), dry condition is pressed are as follows: at 80~100 DEG C
Under the conditions of dry 4~6 hours.
The application further relates to a kind of resin raw material for being used to prepare the application anti-blue light eyeglass.
The application further relates to the preparation method of the resin raw material, at least includes the following steps: by polymethyl methacrylate
Resin is dry, 1~3% anti-blue light additive is then added, extruding pelletization is under the conditions of 180~240 DEG C to get resinogen
Material.
The resin raw material is prepared to the anti-blue light eyeglass of the application, the present processes operation letter through injection molding
Single, product cost is high.The anti-blue light eyeglass of the application not only greatly reduces uv transmittance and blue light transmitance, simultaneously
Visible light transmittance is greater than 90%, and mist degree is less than 1%, and for the uv transmittance of 280~380nm less than 8%, 420~470nm is blue
Light transmittance is less than 15%.
Coating film treatment can also be carried out on the anti-blue light eyeglass of the application again, such as stiffened film, antireflective coating (anti-reflection film), anti-pollution
Film (waterproof membrane), anti-radiation film, polarizing coating, antifog film and spectro-film etc..To which the eyeglass with corresponding function be prepared.
Embodiment 1
It 1, is that 2~5nm rare earth oxide and 3- methacryloxy trimethoxy silane (MPTMS) add by median particle diameter
Enter in toluene, rare earth oxide is the cerium oxide and praseodymium oxide that mass ratio is 7: 3；60min is mixed in ultrasonic mixer, is made
Obtain the lotion of nanometer alkene soil oxide；The envelope-bulk to weight ratio of toluene and rare earth oxide is 10: 1；The ultrasound of ultrasonic mixer
Frequency is 20KHz~40KHz；
2, methyl methacrylate is then added and from benzoyl peroxide (BPO), the mass ratio of MMA and BPO are 100:
0.1；Ultrasonic mixer mixing 20min reacts 3~4 hours in 75~78 DEG C of temperature ranges；
3, methanol after the reaction was completed, is added into reaction system to be precipitated to obtain flaxen sediment, methanol and first
The volume ratio of benzene is 1: 5~10；Sediment is dried to 4~6hr under the conditions of 80~100 DEG C to get anti-blue light additive；
4, plexiglass is dry, the anti-blue light addition of certain mass percent content is then added
Agent, extruding pelletization is under the conditions of 180~240 DEG C to get resin raw material；
It 5, is the anti-blue light eyeglass material that the application is prepared through injection molding by the resin raw material.Wherein, by number 1-3
Anti-blue light eyeglass material cut to obtain the eyeglass of 2mm thickness, through spectrogram as shown in Figure 1, design parameter is as shown in table 1.
Table 1:
| Number | Rare earth oxide: MPTM mass ratio | MPTMS: MMA mass ratio | Anti-blue light additive level |
| 1-1 | 10∶1 | 1∶100 | 1.5% |
| 1-2 | 20∶1 | 1∶90 | 2.5% |
| 1-3 | 30∶1 | 1∶60 | 2% |
| 1-4 | 12.5∶1 | 1∶40 | 3% |
| 1-5 | 25∶1 | 1∶80 | 1% |
| 1-6 | 50∶1 | 1∶60 | 2% |
| 1-7 | 5∶1 | 1∶60 | 2% |
| 1-8 | 30∶1 | 1∶200 | 2% |
| 1-9 | 30∶1 | 1∶20 | 2% |
| 1-10 | 30∶1 | 1∶60 | 0.3% |
| 1-11 | 30∶1 | 1∶60 | 5% |
Embodiment 2
1, rare earth oxide and 3- methacryloxy trimethoxy silane (MPTMS) are added in toluene, in ultrasound
60min is mixed in wave mixer, the lotion of nanometer alkene soil oxide is made；The envelope-bulk to weight ratio of toluene and rare earth oxide is 10
:1；The mass ratio 20: 1 of rare earth oxide and MPTM；The supersonic frequency of ultrasonic mixer is 20KHz~40KHz；
2, methyl methacrylate is then added and from benzoyl peroxide (BPO), the weight ratio of MMA and BPO are 100:
0.1；Using ultrasonic mixer mixing 20min, reacted 3~4 hours in 75~78 DEG C of temperature ranges；Wherein, MPTMS with
The mass ratio 1: 80 of MMA；
3, methanol after the reaction was completed, is added into reaction system to be precipitated to obtain flaxen sediment, methanol and first
The volume ratio of benzene is 1: 5~10；Sediment is dried to 4~6hr under the conditions of 80~100 DEG C to get anti-blue light additive；
4, plexiglass is dry, the anti-blue light that mass percentage content is 4% is then added and adds
Agent, extruding pelletization is under the conditions of 180~240 DEG C to get resin raw material；
It 5, is the anti-blue light eyeglass that the application is prepared through injection molding by the resin raw material.
Design parameter is as shown in table 2.
Table 2:
| Type | Weight ratio | Median particle diameter | |
| 2-1 | Cerium oxide and praseodymium oxide | 6∶4 | 2~5nm |
| 2-2 | Cerium oxide and praseodymium oxide | 5∶5 | 2~5nm |
| 2-3 | Cerium oxide | - | 2~5nm |
| 2-4 | Praseodymium oxide | - | 2~5nm |
| 2-5 | Cerium oxide and praseodymium oxide | 7∶3 | 5~10nm |
| 2-6 | Cerium oxide and praseodymium oxide | 7∶3 | 15~20nm |
Comparative example:
It is prepared according to the method for 1-3 in embodiment 1, difference is, is directly 2 by median particle diameter without cladding
~5nm rare earth oxide is added in plexiglass and is kneaded, and the mass percentage of rare earth oxide is
0.3%.
Experimental example
The anti-blue light eyeglass (2mm thickness) that above embodiments and comparative example are prepared carries out the detection of following performance,
Using specific detection method are as follows:
Visible light transmittance rate, uv transmittance (280~380nm), blue light transmittance (420~470nm) use spectrum
Transmitance is detected；Mist degree is detected using haze detection instrument.
Shown in obtained result table 3, wherein being carried out using not additivated polymethyl methacrylate piece as blank
Comparison.
Table 3:
| Number | Visible light transmittance rate (%) | Mist degree (%) | Uv transmittance (%) | Blue light transmittance (%) |
| Blank | 92.0 | 0.2 | 73 | 93 |
| 1-1 | 91.4 | 0.8 | 3.2 | 9.6 |
| 1-2 | 91.6 | 0.7 | 4.3 | 10.4 |
| 1-3 | 92.0 | 0.8 | 4.6 | 12.7 |
| 1-4 | 92.0 | 0.8 | 5.2 | 14.5 |
| 1-5 | 92.2 | 0.6 | 6.8 | 18.7 |
| 1-6 | 86.9 | 1.8 | 4.2 | 11.2 |
| 1-7 | 92.0 | 0.4 | 10.7 | 22.4 |
| 1-8 | 87.2 | 1.5 | 4.5 | 12.2 |
| 1-9 | 86.5 | 1.7 | 4.4 | 11.7 |
| 1-10 | 92.0 | 0.6 | 11.2 | 26.5 |
| 1-11 | 90.0 | 1.2 | 4.7 | 10.3 |
| 2-1 | 92.0 | 0.8 | 5.1 | 10.2 |
| 2-2 | 92.0 | 0.8 | 5.6 | 8.8 |
| 2-3 | 92.0 | 0.8 | 2.2 | 25.6 |
| 2-4 | 92.0 | 0.8 | 15.5 | 9.0 |
| 2-5 | 89.0 | 1.8 | 4.5 | 12.6 |
| 2-6 | 84.0 | 2.8 | 4.6 | 12.8 |
| Comparative example | 86.0 | 1.8 | 10.4 | 25.0 |
It is not for limiting claim, any this field skill although the application is disclosed as above with preferred embodiment
Art personnel without departing from the concept of this application, can make several possible variations and modification, therefore the application
Protection scope should be subject to the range that the claim of this application is defined.
Claims (18)
1. a kind of anti-blue light eyeglass, which is characterized in that contain matrix polymer and anti-blue light additive in the eyeglass, it is described anti-
Blue light additive is the oxide nano rare earth of surface-modified processing, in modified material used in the surface modification treatment
Contain 3- methacryloxy trimethoxy silane and polymethyl methacrylate；
The preparation method of the anti-blue light additive at least includes the following steps:
(1) rare earth oxide and 3- methacryloxy trimethoxy silane are added in organic solvent, are sufficiently mixed；
(2) methyl methacrylate and initiator is then added, reaction 2~8 is small under conditions of 70~80 DEG C after being sufficiently mixed
When；
(3) after the reaction was completed, the anti-blue light additive is obtained after precipitating and drying.
2. anti-blue light eyeglass according to claim 1, which is characterized in that the mass percent of the anti-blue light additive contains
Amount is 1~3%.
3. anti-blue light eyeglass according to claim 1, which is characterized in that the rare earth oxide is selected from lanthana, oxidation
At least one of cerium, praseodymium oxide, neodymia, the matrix polymer are selected from plexiglass and polycarbonate
At least one of.
4. anti-blue light eyeglass according to claim 3, which is characterized in that the rare earth oxide is cerium oxide and praseodymium oxide
Mixture.
5. anti-blue light eyeglass according to claim 4, which is characterized in that the weight ratio of cerium oxide and praseodymium oxide is 5~10:
1~5.
6. anti-blue light eyeglass according to claim 4, which is characterized in that the weight ratio of cerium oxide and praseodymium oxide is 7~10:
1~3.
7. anti-blue light eyeglass according to claim 1, which is characterized in that the partial size of the oxide nano rare earth be 2~
10nm。
8. anti-blue light eyeglass according to claim 7, which is characterized in that the partial size of the oxide nano rare earth is 2~5
nm。
9. anti-blue light eyeglass according to claim 1, which is characterized in that in step (1), rare earth oxide and 3- methyl
The mass ratio of acryloxy trimethoxy silane is 10~30:1.
10. anti-blue light eyeglass according to claim 1, which is characterized in that in step (1), the organic solvent is selected from
Benzene kind solvent.
11. anti-blue light eyeglass according to claim 1, which is characterized in that the organic solvent is selected from toluene.
12. anti-blue light eyeglass according to claim 1, which is characterized in that in step (2), 3- methacryloxy
The weight ratio of trimethoxy silane and methyl methacrylate is 1:40~100.
13. anti-blue light eyeglass according to claim 1, which is characterized in that in step (1) and step (2), the mixing
To be mixed under ultrasound condition.
14. anti-blue light eyeglass according to claim 1, which is characterized in that in step (2), reaction temperature is 75~78
℃。
15. anti-blue light eyeglass according to claim 1, which is characterized in that in step (2), the reaction time is 3~4 small
When.
16. anti-blue light eyeglass according to claim 1, which is characterized in that in step (3), be added into reaction system
Methanol is precipitated, and the volume ratio of methanol and the organic solvent is 1:5~10.
17. a kind of resin raw material for being used to prepare anti-blue light eyeglass as described in claim 1.
18. the preparation method of resin raw material as claimed in claim 17, which is characterized in that at least include the following steps: by matrix
Polymer is dry, the anti-blue light additive that mass percentage content is 1~3% is then added, under the conditions of 180~240 DEG C
Extruding pelletization is to get the resin raw material.
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| CN201611215521.4A CN106674852B (en) | 2016-12-23 | 2016-12-23 | A kind of anti-blue light eyeglass and its resin raw material |
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