CN109679007A - A kind of polymolecularity quantum dot injection molding material rice and preparation method thereof - Google Patents
A kind of polymolecularity quantum dot injection molding material rice and preparation method thereof Download PDFInfo
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- CN109679007A CN109679007A CN201811637323.6A CN201811637323A CN109679007A CN 109679007 A CN109679007 A CN 109679007A CN 201811637323 A CN201811637323 A CN 201811637323A CN 109679007 A CN109679007 A CN 109679007A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F120/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
- C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
- C08G63/195—Bisphenol A
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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
- C08K9/02—Ingredients treated with inorganic substances
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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
- C08K9/04—Ingredients treated with organic substances
Abstract
A kind of polymolecularity quantum dot injection molding material rice of the present invention and preparation method thereof, is molded materials rice, evenly dispersed compound by the quantum dot of certain proportion and concentration using high molecular polymer as substrate, curing molding as made from this method；The material rice of evenly dispersed quantum dot can be used for being molded into the quantum dot light switching device of various forms.The polymolecularity quantum dot injection-moulded plastic rice includes polymer base and the quantum dot and dispersing agent that are dispersed in the polymer base.Preparation method includes the following steps: step 1: the surface of quantum dot is modified, and quantum dot is carried out high temperature resistant processing；Step 2: compounding ingredient is added in polymer monomer after being sufficiently mixed the modified quantum dot in surface and dispersing agent and carries out prepolymerization；Step 3: the material extruding after prepolymerization is cut into containing polymolecularity quantum dot injection molding material rice by extrusion molding.
Description
Technical field
The present invention relates to display and lighting area, especially a kind of polymolecularity quantum dot injection molding material rice and its preparation sides
Method.
Background technique
Nowadays, the display using LED as light source and lighting apparatus are very universal.Conventional white light LED is using blue light
The mode of the additional yellow fluorescent powder of LED, in spatial distribution, blue light components are relatively pure, and green light and red light portion do not have
There is apparent peak value, red and green saturation degree is not high on imaging spectral.And use quantum dot backlight redgreenblue light
Peak value is obvious, and the saturation degree of color is also higher after imaging.Moreover, quantum dot has size adjustable.The amount of different-grain diameter
Son puts the light of corresponding different emission.So display equipment can be effectively improved as backlight based on the device of quantum dot
Color gamut levels.Meanwhile required spectrum above can be more effectively fitted in the application of lighting apparatus.In Healthy Lighting and plant
Lighting area suffers from wide application prospect.
Currently, quantum dot and high polymer composite material are often made into the knot such as light guide plate, stick or film in display or lighting apparatus
Structure.Be converted to the device of white light as a kind of excitation fitting of blue light, product form by limitation of the technology and and it is not flexible.For some
The leaded light device of special construction can be effectively controlled product size by injection molding, improve yield rate and production efficiency, and further opens up
It is opened up using form and field.
Quantum dot is mixed in the polymeric resin for meeting optical requirement, it is current that the light-switching device of various forms, which is made,
A kind of common technological means.However, quantum dot and various high polymers doping process can encounter many problems.For example, quantum dot
Hot environment is needed with some high polymer recombination processes, is easy fluorescent quenching inactivation.In addition, quantum dot and high polymer recombination process
It is easy to happen reunion, it is dispersed poor in the substrate, influence whole optical effect.Original quantum dot optical devices are in production process
In need to process quantum dot and deployed, production threshold is excessively high, and raw material are complicated, requires storage environment high.
Summary of the invention
A kind of polymolecularity quantum dot injection molding material rice of the present invention and preparation method thereof, is molded materials as made from this method
Rice, evenly dispersed compound by the quantum dot of certain proportion and concentration using high molecular polymer as substrate, curing molding；Uniformly
The material rice of dispersion quantum dot can be used for being molded into the quantum dot light switching device of various forms.
The technical scheme of the present invention is realized as follows:
A kind of polymolecularity quantum dot injection-moulded plastic rice, it is characterised in that: including polymer base and be dispersed in
Quantum dot and dispersing agent in the polymer base.
Further, the quantum dot is the quantum dot coated by high temperature resistant ligand.
Further, the high temperature resistant ligand is combined by organic matter and inorganic matter.Wherein organic matter is stearic acid, palm fibre
Palmitic acid acid, oleic acid, olive oil, 1- octadecylene, 1- octadecylamine, n-hexane, hexamethylene, methylene chloride, chloroform, methanol, ethyl alcohol, tertiary fourth
One or more of alcohol, toluene, ethyl acetate；Inorganic matter is Al2O3、ZrO2、SiC、Si3N4、SiO2、TiO2One of or
It is several.
Further, the dispersing agent is stearic amide, erucyl amide, oleamide, ethylene bis stearic acid amide, second
Support one of double oleamide, stearyl erucamide, pentaerythritol stearate, oleic acid base palmitamide, paraffin or
Several compositions.
Further, the polymer monomer be methyl methacrylate, butyl methacrylate, diphenyl ester, bisphenol-A,
One or more of styrene, acrylic acid, acrylonitrile, vinyl acetate, silica gel.
Further, the quantum dot is mixed by single color or multiple color quantum dot, the hair of the quantum dot
Ejected wave is grown between 350-900nm.
A kind of preparation method of polymolecularity quantum dot injection molding material rice, comprising the following steps:
Step 1: the surface of quantum dot is modified, and quantum dot is carried out high temperature resistant processing；
Step 2: compounding ingredient is added to high polymer list after being sufficiently mixed the modified quantum dot in surface and dispersing agent
Prepolymerization is carried out in body；
Step 3: the material extruding after prepolymerization is cut into containing polymolecularity quantum dot injection molding material rice by extrusion molding.
Further, the specific method of the step 1 includes:
Quantum dot is mixed with high temperature resistant ligand, being stirred liquid and being placed in Ultrasound Instrument keeps its fully dispersed；Then will
Mixed liquid, which is transferred in flask, to be continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
Further, the specific method of the step 2 includes:
The quantum dot powder obtained after drying is added into dispersing agent, mechanical stirring is uniformly mixed；
It is previously added polymer monomer in reaction kettle, the mixture of quantum dot and dispersing agent is rapidly injected reaction kettle
In, it stirs and heats carry out prepolymerization.
Further, the specific method of the step 3 includes:
Material after prepolymerization is transferred to feed well and carries out material extrusion, is cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Further, the mass ratio of the quantum dot and dispersing agent is between 1:10~1:100；Quantum dot and polymerization
The mass ratio of object monomer is between 1:100~1:100000.
By the above-mentioned description of this invention it is found that compared to the prior art, the present invention has the advantage that
One, the present invention changes original method for preparing quantum dot optical devices, and quantum dot is prepared in injection molding material rice
In, the suitable direct machine-shaping of injection molding material rice need to be only selected when preparing quantum dot optical devices, and original light is omitted
The cumbersome steps such as the quantum dot in device production is deployed, high polymer polymerize with quantum dot are learned, quantum dot optical devices are reduced
Production threshold；Quantum dot is dispersed in advance in material rice simultaneously, it is ensured that quantum dot dispersion is equal in optical device obtained
It is even, and then improve the yields of optical device obtained.
Two, the injection molding material rice stability of output of the present invention is good, convenient for storage, relative to it is original by quantum dot, high polymer,
Dispersing agent etc. stores respectively, greatly reduces raw material storing requirement and difficulty in production process.
Three, the present invention is uniform by quantum dot, is stably dispersed in the polymer base for meeting optical requirement, as injection molding
Persursor material can promote quantum dot widely to apply in backlight display and illuminating device.
Four, in the present invention, required for the optical device made by the injection molding material metric system can be fitted directly under blue lamp excitation
Spectrum, reduce the production stages such as fluorescence point allotment, solidification, simplify production stage, reduce technique requirement.
Five, modified quantum dot shows stabilization in the high temperature environment in the present invention, does not occur structure and spectrochemical property variation,
There is higher thermal stability compared to traditional quantum dot.
Six, in the present invention dispersing agent use so that quantum dot in quantum dot and the compound injection molding material rice obtained of high polymer
With fine dispersibility, it is possible to prevente effectively from quantum dot and high polymer material doping process are meeting light there is a phenomenon where reuniting
Light conversion efficiency is improved on the basis of performance indicator.
Seven, for the injection molding material rice in the present invention as injection molding raw material, plasticity is strong, can be applied to the quantum dot of various forms
Light-switching device.
Eight, quantum dot injection molding material rice of the present invention can be according to concentration and ratio of the regulation quantum dot in material rice, in indigo plant
Lamp excitation under effectively fit required spectrum, the color gamut levels that display device can not only be significantly improved can also prepare meet it is strong
The device requirement of Kang Zhaoming and plant illumination.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is injection molding material rice structural schematic diagram of the present invention；
Fig. 2 is the injection molding material metric system of the present invention into process flow chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig.1, a kind of polymolecularity quantum dot injection-moulded plastic rice, it is characterised in that: including polymer base 1 and
The even quantum dot 2 and dispersing agent 3 being dispersed in the polymer base.
The quantum dot 2 is the quantum dot 2 coated by high temperature resistant ligand.
The high temperature resistant ligand is combined by organic matter and inorganic matter.Wherein organic matter is stearic acid, palmitinic acid, oil
Acid, olive oil, 1- octadecylene, 1- octadecylamine, n-hexane, hexamethylene, methylene chloride, chloroform, methanol, ethyl alcohol, the tert-butyl alcohol, first
One or more of benzene, ethyl acetate；Inorganic matter is Al2O3、ZrO2、SiC、Si3N4、SiO2、TiO2One or more of.
The dispersing agent 3 is stearic amide, erucyl amide, oleamide, ethylene bis stearic acid amide, the double oleic acid of ethylene
One or more of amide, stearyl erucamide, pentaerythritol stearate, oleic acid base palmitamide, paraffin composition.
The polymer monomer is methyl methacrylate, butyl methacrylate, diphenyl ester, bisphenol-A, styrene, third
One or more of olefin(e) acid, acrylonitrile, vinyl acetate, silica gel.
The quantum dot 2 is mixed by single color or multiple color quantum dot 2, the launch wavelength of the quantum dot 2
Between 350-900nm.
A kind of preparation method of 2 injection molding material rice of polymolecularity quantum dot, comprising the following steps:
Step 1: the surface of quantum dot 2 is modified, and quantum dot 2 is carried out high temperature resistant processing；
Step 2: compounding ingredient is added to high polymer after being sufficiently mixed the modified quantum dot 2 in surface with dispersing agent 3
Prepolymerization is carried out in monomer；
Step 3: the material extruding after prepolymerization is cut into containing 2 injection molding material of polymolecularity quantum dot by extrusion molding
Rice.
The specific method of the step 1 includes:
Quantum dot 2 is mixed with high temperature resistant ligand, being stirred liquid and being placed in Ultrasound Instrument keeps its fully dispersed；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
The specific method of the step 2 includes:
2 powder of quantum dot obtained after drying is added into dispersing agent 3, mechanical stirring is uniformly mixed；
It is previously added polymer monomer in reaction kettle, the mixture of quantum dot 2 and dispersing agent 3 is rapidly injected reaction kettle
In, it stirs and heats carry out prepolymerization.
The specific method of the step 3 includes:
Material after prepolymerization is transferred to feed well and carries out material extrusion, is cut after the material of extrusion is cooled and solidified
Grain forms material rice.
The mass ratio of the quantum dot 2 and dispersing agent 3 is between 1:10~1:100；Quantum dot 2 and polymer monomer
Mass ratio between 1:100~1:100000.
Specific embodiment are as follows:
Embodiment 1:
1. by the stearic acid and Al of equimolar ratio2O3It is added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 100mg quantum dot powder obtained after dry into 1g stearic amide, mechanical stirring is uniformly mixed；
It is previously added 10kg methyl methacrylate in reaction kettle, the mixture of quantum dot and stearic amide is quickly infused
Enter into reaction kettle, stir and heats carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 2:
1. the stearic acid of equimolar ratio and SiC are added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 250mg quantum dot powder obtained after dry into 25g erucyl amide, mechanical stirring is uniformly mixed；
It is previously added 10kg methyl methacrylate in reaction kettle, the mixture of quantum dot and erucyl amide is rapidly injected
Into reaction kettle, stirs and heat carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 3:
1. by the stearic acid and SiO of equimolar ratio2It is added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 500mg quantum dot powder obtained after dry into 100g oleamide, mechanical stirring is uniformly mixed；
It is previously added 10kg methyl methacrylate in reaction kettle, the mixture of quantum dot and oleamide is rapidly injected
Into reaction kettle, stirs and heat carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 4:
1. by the palmitinic acid and Al of equimolar ratio2O3It is added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. the 1g quantum dot powder obtained after dry is added into 100g ethylene bis stearic acid amide, mechanical stirring mixing
Uniformly；
20kg butyl methacrylate is previously added in reaction kettle, by the mixture of quantum dot and ethylene bis stearic acid amide
It is rapidly injected in reaction kettle, stirs and heats carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 5:
1. by the palmitinic acid and SiO of equimolar ratio2It is added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 2.5g quantum dot powder obtained after dry into 250g stearic amide, mechanical stirring mixing is equal
It is even；
It is previously added 20kg butyl methacrylate in reaction kettle, the mixture of quantum dot and stearic amide is quickly infused
Enter into reaction kettle, stir and heats carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 6:
1. by the stearic acid and TiO of equimolar ratio2It is added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 5g quantum dot powder obtained after dry into 500g erucyl amide, mechanical stirring is uniformly mixed；
It is previously added 20kg methyl methacrylate in reaction kettle, the mixture of quantum dot and erucyl amide is rapidly injected
Into reaction kettle, stirs and heat carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 7:
1. by the oleic acid and Al of equimolar ratio2O3It is added to autoclave, 200 DEG C of control is stirred to react 12h.Stop after 12h
It only reacts, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 50g quantum dot powder obtained after dry into 500g oleamide, mechanical stirring is uniformly mixed；
It is previously added 30kg methyl methacrylate in reaction kettle, the mixture of quantum dot and oleamide is rapidly injected
Into reaction kettle, stirs and heat carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 8:
1. the palmitinic acid of equimolar ratio and SiC are added to autoclave, 200 DEG C of control is stirred to react 12h.After 12h
Stop reaction, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 100g quantum dot powder obtained after dry into 1kg paraffin, mechanical stirring is uniformly mixed；
It is previously added 30kg butyl methacrylate in reaction kettle, the mixture of quantum dot and paraffin is rapidly injected anti-
It answers in kettle, stir and heats carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
Embodiment 9:
1. by the oleic acid and SiO of equimolar ratio2It is added to autoclave, 200 DEG C of control is stirred to react 12h.Stop after 12h
It only reacts, is transferred to devolatilization removing part unreacted solvent in 60 DEG C of baking ovens after being down to room temperature, obtains high temperature resistant ligand.
The quantum dot that mass ratio is 20% is added in a certain amount of high temperature resistant ligand to mix, is stirred liquid and is placed on ultrasound
Make its fully dispersed in instrument；
Then mixed liquid is transferred in flask and is continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
2. being added the 300g quantum dot powder obtained after dry into 3kg erucyl amide, mechanical stirring is uniformly mixed；
30kg diphenyl ester and bisphenol-A mix monomer are previously added in reaction kettle, by the mixture of quantum dot and erucyl amide
It is rapidly injected in reaction kettle, stirs and heats carry out prepolymerization.
3. the material after prepolymerization is transferred to feed well and carries out material extrusion, cut after the material of extrusion is cooled and solidified
Grain forms material rice.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of polymolecularity quantum dot injection-moulded plastic rice, it is characterised in that: including polymer base and be dispersed in institute
State the quantum dot and dispersing agent in polymer base.
2. a kind of polymolecularity quantum dot injection-moulded plastic rice as described in claim 1, it is characterised in that: the quantum dot is served as reasons
The quantum dot of high temperature resistant ligand cladding.
3. a kind of polymolecularity quantum dot injection-moulded plastic rice as claimed in claim 2, it is characterised in that: the high temperature resistant ligand
It is combined by organic matter and inorganic matter.Wherein organic matter is stearic acid, palmitinic acid, oleic acid, olive oil, 1- octadecylene, 1- ten
One of eight amine, n-hexane, hexamethylene, methylene chloride, chloroform, methanol, ethyl alcohol, the tert-butyl alcohol, toluene, ethyl acetate are several
Kind；Inorganic matter is Al2O3、ZrO2、SiC、Si3N4、SiO2、TiO2One or more of.
4. a kind of polymolecularity quantum dot injection-moulded plastic rice as described in claim 1, it is characterised in that: the dispersing agent is hard
Resin acid amide, erucyl amide, oleamide, ethylene bis stearic acid amide, ethylene double oleamide, stearyl erucamide, seasons
One or more of penta tetrol stearate, oleic acid base palmitamide, paraffin composition.
5. a kind of polymolecularity quantum dot injection-moulded plastic rice as described in claim 1, it is characterised in that: the polymer monomer
For methyl methacrylate, butyl methacrylate, diphenyl ester, bisphenol-A, styrene, acrylic acid, acrylonitrile, vinyl acetate,
One or more of silica gel.
6. such as a kind of polymolecularity quantum dot injection-moulded plastic rice of any of claims 1-4, it is characterised in that: described
Quantum dot is mixed by single color or multiple color quantum dot, and the launch wavelength of the quantum dot is between 350-900nm.
7. a kind of preparation method of polymolecularity quantum dot injection molding material rice, which comprises the following steps:
Step 1: the surface of quantum dot is modified, and quantum dot is carried out high temperature resistant processing；
Step 2: compounding ingredient is added in polymer monomer after being sufficiently mixed the modified quantum dot in surface and dispersing agent
Carry out prepolymerization；
Step 3: the material extruding after prepolymerization is cut into containing polymolecularity quantum dot injection molding material rice by extrusion molding.
8. a kind of preparation method of polymolecularity quantum dot injection molding material rice as claimed in claim 7, which is characterized in that the step
Rapid one specific method includes:
Quantum dot is mixed with high temperature resistant ligand, being stirred liquid and being placed in Ultrasound Instrument keeps its fully dispersed；It then will mixing
Liquid afterwards, which is transferred in flask, to be continuously stirred until stopping reaction；
Finally transfer mixed liquor is baked to obtain dried powder to surface plate volatilization excess of solvent.
9. a kind of preparation method of polymolecularity quantum dot injection molding material rice as claimed in claim 7, which is characterized in that the step
Rapid two specific method includes:
The quantum dot powder obtained after drying is added into dispersing agent, mechanical stirring is uniformly mixed；
It is previously added polymer monomer in reaction kettle, the mixture of quantum dot and dispersing agent is rapidly injected in reaction kettle, is stirred
It mixes and heats carry out prepolymerization.
10. a kind of preparation method of polymolecularity quantum dot injection molding material rice as claimed in claim 7, which is characterized in that described
The specific method of step 3 includes:
Material after prepolymerization is transferred to feed well and carries out material extrusion, pelletizing after the material of extrusion is cooled and solidified, shape
At material rice.
11. a kind of preparation method of polymolecularity quantum dot injection molding material rice as described in claim 7-10, it is characterised in that: institute
The mass ratio of the quantum dot and dispersing agent stated is between 1:10~1:100；The mass ratio of quantum dot and polymer monomer exists
Between 1:100~1:100000.
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