CN107722312A - A kind of quantum dot optical thin film of no Obstruct membrane and preparation method thereof - Google Patents
A kind of quantum dot optical thin film of no Obstruct membrane and preparation method thereof Download PDFInfo
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- CN107722312A CN107722312A CN201710916018.XA CN201710916018A CN107722312A CN 107722312 A CN107722312 A CN 107722312A CN 201710916018 A CN201710916018 A CN 201710916018A CN 107722312 A CN107722312 A CN 107722312A
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- quantum dot
- solution
- optical thin
- thin film
- resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
Abstract
The present invention discloses a kind of quantum dot optical thin film of no Obstruct membrane and preparation method thereof, it includes body, body is by quantum dot colloidal solution film-forming, quantum dot colloidal solution includes 0.5 part of quantum dot solution and resin solution, the concentration of quantum dot solution is 15mg/L, and it is parts by weight that resin solution, which includes 10 parts of organic resins, 100~400 parts of diluents and 0.1 part of auxiliary agent, number, by the way that each component to be mixed to prepare to quantum dot colloidal solution, naturally dry film forming in proportion.Quantum dot is coated in organic resin by the quantum dot optical thin film of the application by the film forming of organic resin, is protected without substrate support and Obstruct membrane, can be used directly after film-forming; waterproof and oxidation proof propertiess are excellent; and light transmittance is improved, manufacture craft is simplified, reduces material cost.
Description
Technical field
The present invention relates to quantum dot optical film technology field, in particular it relates to a kind of quantum dot optics of no Obstruct membrane
Film and preparation method thereof.
Background technology
Display Technique develops into today, from monochrome to colour, from obscuring to clear, size from small to large, after countless
Change, the production technology of display disappear in the hope of what its product can adapt to that consumer changes increasingly in continuous improve and perfect
Take a lot of trouble reason and consumer behavior.
At present, quantum dot optical film is applied in Display Technique.Quantum dot is semiconductor nanocrystal, for showing skill
Art can accurately convey light, have efficient display color gamut value, make color more pure bright-coloured, color representation is more opened
Power.
Quantum dot optical film is by the way that quantum dot colloidal solution is made.The preparation of quantum dot colloidal solution is production without cadmium amount
One of core technology of son point optical thin film.The levelability and viscosity of colloidal solution directly affect the scattered and optics of quantum dot
The performance such as the water proofing property of film, light transmittance, ageing-resistant, all constrains the development of this technology.Existing backlight shows quantum dot
Optical thin film uses two layers of Obstruct membrane coated quantum dots colloidal solution, adds the cost of optical thin film, and its light transmittance is low,
Water oxygen resistant performance is not excellent, is always a difficult point for preparing quantum dot backlight display optical films.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides quantum dot optical thin film and its preparation side of a kind of no Obstruct membrane
Method.
A kind of quantum dot optical thin film of no Obstruct membrane disclosed by the invention, it includes body, and body is by quantum dot colloid
Solution film-forming, quantum dot colloidal solution include 0.5 part of quantum dot solution and resin solution, and the concentration of quantum dot solution is
15mg/L, it is parts by weight that resin solution, which includes 10 parts of organic resins, 100~400 parts of diluents and 0.1 part of auxiliary agent, number,.
According to an embodiment of the present invention, above-mentioned organic resin is water white transparency and the macromolecule material with film forming
Material.
According to an embodiment of the present invention, above-mentioned organic resin includes polymethyl methacrylate, makrolon or poly-
Vinyl chloride.
According to an embodiment of the present invention, above-mentioned diluent is the corresponding solution for dissolving organic resin.
According to an embodiment of the present invention, above-mentioned diluent includes one kind of dimethylbenzene, toluene, acetone or tetrahydrofuran
It is or a variety of.
According to an embodiment of the present invention, above-mentioned auxiliary agent includes one kind of coupling agent, defoamer, dispersant or levelling agent
It is or a variety of.
The invention also discloses a kind of preparation method of the quantum dot optical thin film of no Obstruct membrane, comprise the following steps:
Organic resin is mixed with diluent, and heated 1~10 hour in 50~120 DEG C, until organic resin is completely molten
Solution, resin solution is made;
Quantum dot is added in resin solution, adds diluent, vacuum mixing is scattered, stands more than 3 hours, and amount is made
Son point colloidal solution;
Quantum dot colloidal solution is coated on substrate surface, coating thickness is 0.05~0.3mm, dries film forming, by film from
Substrate surface peels off, and quantum dot optical thin film is made.
According to an embodiment of the present invention, above-mentioned base material is PET.
According to an embodiment of the present invention, after resin solution being made, auxiliary agent is added, mixing is scattered.
Compared with prior art, the present invention can be obtained including following technique effect:
Quantum dot is coated in organic resin by the quantum dot optical thin film of the application by the film forming of organic resin,
Protect, can be used directly after film-forming, waterproof and oxidation proof propertiess are excellent, and improve without substrate support and Obstruct membrane
Light rate, manufacture craft is simplified, reduce material cost.
Embodiment
Multiple embodiments of the application will be disclosed below, as clearly stated, details in many practices will with
Illustrate in the lump in lower narration.It should be appreciated, however, that the details in these practices is not applied to limit the application.That is,
In some embodiments of the application, the details in these practices is non-essential.
In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of application claims.
The quantum dot optical thin film without Obstruct membrane of the application includes body, and body is solidified into by quantum dot colloidal solution
Film, quantum dot colloidal solution include 0.5 part of quantum dot solution and resin solution, and the concentration of quantum dot solution is 15mg/L, resin
Solution is parts by weight including 10 parts of organic resins, 100~400 parts of diluents and 0.1 part of auxiliary agent number.
Specifically, organic resin need to select water white transparency and the high polymer material with good film forming, pass through choosing
With the raw material of water white transparency, light transmittance is improved;By from good film forming raw material, can naturally dry into
Film, its internal and external environment, waterproof is anti-oxidation.Preferably, organic resin can be polymethyl methacrylate, poly- carbonic acid
Ester or polyvinyl chloride, raw material are readily available.Diluent is used to dilute organic resin, therefore need to select what can be blended with organic resin
Raw material, meanwhile, diluent is additionally operable to scattered quantum dot and quantum dot is quenched, and prevents quantum dot from reuniting and causes to disperse not
.Preferably, diluent can be one or more kinds of mixing of dimethylbenzene, toluene, acetone or tetrahydrofuran.
By the way that organic resin is mixed with diluent, mixed in proportion according to the demand of required viscosity and mobility, then
Heated 1 hour~10 hours in 50 DEG C~120 DEG C, it is ensured that organic resin is dissolved completely in diluent, if having undissolved residual
Thing is stayed to pull out, it is ensured that the homogeneity of solution, resin solution to be made.Appropriate addition coupling agent, defoamer, dispersant as needed
Or one or more auxiliary agents of levelling agent.Adding quantum dot, quantum dot can be powder, or the solution mixed with quantum dot, then
Add appropriate diluent to adjust to appropriate viscosity, mixed using high-speed vacuum, quantum dot is dispersed in organic solvent, it is quiet
Put more than 3 hours until defoaming and finish, quantum dot colloidal solution is made.Quantum dot colloidal solution is coated on poly terephthalic acid
On the base material of second diester, coating thickness is 0.05~0.3mm, after coating wait quantum dot colloidal solution naturally dry into
Film, film is peeled off from substrate surface, required size is cut to according to needs of production, base material is repeatable to be utilized, cost-effective.
Quantum dot optical thin film is made to can be used directly in display.
Influence of the content to finished product thickness of diluent will be illustrated by 6 embodiments below.It is as shown in table 1 below, each
In the case of the content identical of the organic resin of embodiment, quantum dot solution and auxiliary agent, the diluent of different content is added.
Table 1
After quantum dot colloidal solution is made according to the method described above, it is respectively coated in substrate surface, each embodiment
Coating thickness is all 0.15mm, after having coated, waits its naturally dry film forming, then measures the thickness after film forming one by one with slide calliper rule, is surveyed
It is as shown in table 2 below to try data.
Table 2
Embodiment | 1 | 2 | 3 | 4 | 5 | 6 |
Thickness (mm) | 0.1 | 0.09 | 0.08 | 0.07 | 0.06 | 0.06 |
In summary, quantum dot has been coated on by the quantum dot optical thin film of the application by the film forming of organic resin
In machine resin, to protect without substrate support and Obstruct membrane, can be used directly after film-forming, waterproof and oxidation proof propertiess are excellent,
And light transmittance is improved, manufacture craft is simplified, reduces material cost.
The upper only embodiments of the present invention, are not intended to limit the invention.For those skilled in the art
For, the present invention can have various modifications and variations.All any modifications made in spirit and principles of the present invention, it is equal
Replace, improve etc., it all should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of quantum dot optical thin film of no Obstruct membrane, it is characterised in that including body, the body is molten by quantum dot colloid
Liquid film-forming, the quantum dot colloidal solution include 0.5 part of quantum dot solution and resin solution, the quantum dot solution it is dense
Spend includes 10 parts of organic resins, 100~400 parts of diluents and 0.1 part of auxiliary agent, the number for 15mg/L, the resin solution
For parts by weight.
2. quantum dot optical thin film according to claim 1, it is characterised in that the organic resin is water white transparency and tool
There is the high polymer material of film forming.
3. quantum dot optical thin film according to claim 2, it is characterised in that the organic resin includes polymethyl
Sour methyl esters, makrolon or polyvinyl chloride.
4. quantum dot optical thin film according to claim 3, it is characterised in that the diluent has to correspond to described in dissolving
The solution of machine resin.
5. quantum dot optical thin film according to claim 4, it is characterised in that the diluent include dimethylbenzene, toluene,
The one or more of acetone or tetrahydrofuran.
6. according to any described quantum dot optical thin films of claim 1-5, it is characterised in that the auxiliary agent include coupling agent,
The one or more of defoamer, dispersant or levelling agent.
A kind of 7. preparation method of the quantum dot optical thin film of no Obstruct membrane according to claim 6, it is characterised in that bag
Include following steps:
Organic resin is mixed with diluent, and heated 1~10 hour in 50~120 DEG C, until organic resin is completely dissolved, is made
Obtain resin solution;
Quantum dot is added in the resin solution, adds the diluent, vacuum mixing is scattered, stands more than 3 hours, system
Obtain quantum dot colloidal solution;
The quantum dot colloidal solution is coated on substrate surface, coating thickness is 0.05~0.3mm, dries film forming, by film from
The substrate surface peels off, and quantum dot optical thin film is made.
8. preparation method according to claim 7, it is characterised in that the base material is PET.
9. preparation method according to claim 7, it is characterised in that after the resin solution is made, add auxiliary agent, mixing
It is scattered.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109082050A (en) * | 2018-08-15 | 2018-12-25 | 武汉理工大学 | A kind of preparation method of CQDs@PVP/PVDF compound dielectric film |
CN109320753A (en) * | 2018-11-21 | 2019-02-12 | 衡山县佳诚新材料有限公司 | A kind of quantum dot film of water resistant oxygen |
CN110962427A (en) * | 2019-11-25 | 2020-04-07 | Tcl华星光电技术有限公司 | Quantum dot film |
CN111273484A (en) * | 2020-03-11 | 2020-06-12 | 宁波东旭成新材料科技有限公司 | Barrier-free diaphragm quantum dot film |
CN113061273A (en) * | 2021-03-10 | 2021-07-02 | 西南科技大学 | Preparation method of high-performance polaroid |
CN114889308A (en) * | 2022-04-18 | 2022-08-12 | 南京贝迪新材料科技股份有限公司 | Barrier-free quantum dot film processing device and processing method thereof |
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CN104861958A (en) * | 2015-05-14 | 2015-08-26 | 北京理工大学 | Perovskite/polymer composite luminescent material and preparation method thereof |
CN105315621A (en) * | 2014-07-10 | 2016-02-10 | Tcl集团股份有限公司 | Quantum dot/epoxy resin particle, preparation method thereof, quantum dot optical film and backlight module |
CN105425540A (en) * | 2016-01-04 | 2016-03-23 | 京东方科技集团股份有限公司 | Quantum dot film, preparing method thereof, quantum dot film patterning method and displayer |
US20160161066A1 (en) * | 2014-12-08 | 2016-06-09 | Lg Electronics Inc. | Method for preparing quantum dot-polymer complex, quantum dot-polymer complex, light conversion film, backlight unit and display device having the same |
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CN105315621A (en) * | 2014-07-10 | 2016-02-10 | Tcl集团股份有限公司 | Quantum dot/epoxy resin particle, preparation method thereof, quantum dot optical film and backlight module |
US20160161066A1 (en) * | 2014-12-08 | 2016-06-09 | Lg Electronics Inc. | Method for preparing quantum dot-polymer complex, quantum dot-polymer complex, light conversion film, backlight unit and display device having the same |
CN104861958A (en) * | 2015-05-14 | 2015-08-26 | 北京理工大学 | Perovskite/polymer composite luminescent material and preparation method thereof |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109082050A (en) * | 2018-08-15 | 2018-12-25 | 武汉理工大学 | A kind of preparation method of CQDs@PVP/PVDF compound dielectric film |
CN109320753A (en) * | 2018-11-21 | 2019-02-12 | 衡山县佳诚新材料有限公司 | A kind of quantum dot film of water resistant oxygen |
CN110962427A (en) * | 2019-11-25 | 2020-04-07 | Tcl华星光电技术有限公司 | Quantum dot film |
CN111273484A (en) * | 2020-03-11 | 2020-06-12 | 宁波东旭成新材料科技有限公司 | Barrier-free diaphragm quantum dot film |
CN111273484B (en) * | 2020-03-11 | 2023-08-22 | 宁波东旭成新材料科技有限公司 | Non-resistance diaphragm quantum dot film |
CN113061273A (en) * | 2021-03-10 | 2021-07-02 | 西南科技大学 | Preparation method of high-performance polaroid |
CN113061273B (en) * | 2021-03-10 | 2022-05-17 | 西南科技大学 | Preparation method of high-performance polaroid |
CN114889308A (en) * | 2022-04-18 | 2022-08-12 | 南京贝迪新材料科技股份有限公司 | Barrier-free quantum dot film processing device and processing method thereof |
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Application publication date: 20180223 |