CN108998005A - A kind of cladded type light conversion agent, preparation method and the agricultural light conversion agent containing the light conversion agent - Google Patents
A kind of cladded type light conversion agent, preparation method and the agricultural light conversion agent containing the light conversion agent Download PDFInfo
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- CN108998005A CN108998005A CN201810933807.9A CN201810933807A CN108998005A CN 108998005 A CN108998005 A CN 108998005A CN 201810933807 A CN201810933807 A CN 201810933807A CN 108998005 A CN108998005 A CN 108998005A
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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Abstract
The present invention discloses a kind of cladded type light conversion agent, preparation method and the agricultural light conversion agent containing the light conversion agent.Cladded type light conversion agent, including organic fluorescer and siloxanes, siloxanes are coated on the outside of organic fluorescence agent.The preparation method of cladded type light conversion agent includes configuring dispersant solution, and acid is added, the PH of solution is adjusted to acidity, and solution is adjusted PH to 2~3 using acid；Siloxanes is added in obtained solution, is stirred to react the time of setting, 10~20g siloxanes is added in obtained solution, reacts 2 hours under the stirring of 100~200rpm revolving speed；The organic fluorescence agent that 0.02~0.1g partial size is 0.1~1 μm is added in obtained solution, solution is dispersed using ultrasound；Alkali is added in obtained solution, adjusts the PH of solution to alkalinity 8~10, then reacts 24 hours under 30~50 DEG C, the revolving speed of 100~200rpm；It filters after completion of the reaction, reaction product is washed with deionized；Reaction product after washing is dried.
Description
Technical field
The present invention relates to agricultural light conversion agent and agricultural conversion film technical field more particularly to a kind of cladded type light conversion agent, its
Preparation method and agricultural light conversion agent containing the light conversion agent.
Background technique
With deepening continuously for China's agricultural revolution, the development of agricultural conversion film has caused the attention of people, agricultural
It can be photosynthesis of plant that conversion film, which can be converted to the ultraviolet light and blue green light that cannot be absorbed by plant by photosynthesis,
The blue light and feux rouges of absorption can effectively improve the photosynthesis of crops using conversion film in agricultural production, improve agriculture
The yield of crop.Wherein, effective light conversion agent in conversion film is light conversion agent, and in all kinds of light conversion agents, organic light conversion agents shine
Intensity is high, but stability is poor, and durability is poor, and inorganic light conversion agent stability is good, but fluorescence intensity is low, and compatible with resin
Property is poor.Currently, organic light conversion agents turn light efficiency since its is higher, it is increasingly becoming the market mainstream.
Patent DE 3818986, which reports directly to be doped to organic light conversion agents to prepare in polyethylene film, turns turning for feux rouges
Light film.But due to the oxygen transmission rate of polyvinyl resin height, organic light conversion agents degradation failure easy to oxidize in polyvinyl resin.Specially
Sharp CN 104387534, which is reported, has fluorescer to turn indigo plant to preparing on polyvinyl resin by the way that chemical bond is immobilized naphthalimide
Photopolymer resin, then this fluorescence resin is obtained into conversion film with polyethylene mixing blown film.This method, which can be effectively prevented, organic turns light
Agent migrates exudation from resin, but without fundamentally solving the problems, such as that durability, service life of the light conversion agent in film are short.
Specifically, the prior art has the disadvantage in that
1, in the prior art, organic light conversion agents (such as: polyethylene, polypropylene) are easy migration in thermoplastic resin, make
Light conversion agent in product is obtained gradually to be lost in use.
2, in the prior art, organic light conversion agents are easy to happen oxidation drop in the resins such as polyethylene, polystyrene, nylon
Solution, causes product service life short.
3, in the prior art, transmitted light is direct light, and direct projection light energy is concentrated and uneven, and can burn crops.
4, existing light conversion agent is poor to infrared light isolation effect, influences film and uses in high temperature season/high temperature area.Reason:
Infrared light and feux rouges have fuel factor, there is the effect heated.
In view of the defect of the prior art, it is high and have organic light conversion agents and its preparation of astigmatism functions to provide a kind of durability
Method, and to prepare durability high and can be agricultural turn of astigmatism for organic light conversion agents that are high using this durability and having astigmatism functions
Luminescent material is urgent need currently on the market.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of cladded type light conversion agent, preparation method and contains
There is the agricultural light conversion agent and preparation method thereof of the light conversion agent.Turn light sunshade net using cladded type light conversion agent preparation, turn light
Light-diffusing film, turning light astigmatism plate, to have durability high and have the advantages of astigmatism functions.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of cladded type light conversion agent, including organic fluorescer and siloxanes, the siloxanes are coated on organic fluorescence agent
It is external.
The present invention also provides a kind of methods for preparing the above-mentioned cladded type light conversion agent stated, which comprises
Step A configures dispersant solution, and acid is added, the PH of solution is adjusted to acidity, and solution is adjusted PH using acid
To 2~3；
Siloxanes is added in obtained solution in step B, is stirred to react the time of setting, is added in obtained solution
10~20g siloxanes reacts 2 hours under the stirring of 100~200rpm revolving speed；
The organic fluorescence agent that 0.02~0.1g partial size is 0.1~1 μm is added in obtained solution, uses ultrasound by step C
Solution is dispersed；
Alkali is added in obtained solution in step D, adjusts the PH of solution to alkalinity 8~10, then 30~50 DEG C,
24 hours are reacted under the revolving speed of 100~200rpm；
Step E, is filtered after completion of the reaction, and reaction product is washed with deionized；
Reaction product after washing is dried step F.
Further, the dispersing agent is polyvinylpyrrolidone, hydroxyethyl cellulose, hydroxymethyl cellulose, gelatin, gathers
One of vinyl alcohol, polyethylene glycol are any several.
Further, the organic fluorescence agent is Pyrazine, acid imide, quinacridine ketone, pyrrolo-pyrrole-dione
One of class, naphthalimide, pyrans nitrile, fluorine boron pyroles dyestuff are any several.
Further, the siloxanes is methyltriethoxysilane, methyltrimethoxysilane, phenyltriethoxy silane
One of alkane, ethyl triethoxysilane are any several.
Further, any one sour in hydrochloric acid, acetic acid, citric acid, dilute sulfuric acid.
Further, the alkali be ethylenediamine, it is ammonium hydroxide, triethylamine, sodium hydroxide, potassium carbonate, any one in sodium carbonate
Kind.
The present invention also provides one kind to turn light sunshade net, including macromolecule resin and sun shading material, which is characterized in that described
Turning light sunshade net further includes above-mentioned cladded type light conversion agent.
Turn light light-diffusing film, including light stabilizer, antioxidant and macromolecule resin the present invention also provides one kind, described turn
Light light-diffusing film further includes above-mentioned cladded type light conversion agent.
Turn light astigmatism plate, including light stabilizer, antioxidant and macromolecule resin the present invention also provides one kind, described turn
Light astigmatism plate further includes above-mentioned cladded type light conversion agent.
Compared with prior art, long service life of the cladded type light conversion agent provided by the invention with light conversion agent, while by
Have the function of astigmatism in siloxane oxyalkylene, can be that scattering light and hermetic section infrared light etc. are excellent by changing section direct light
Point.
Detailed description of the invention
Fig. 1 is finished figure of the first embodiment of cladded type light conversion agent of the invention under scanning electron microscope；
Fig. 2 is the light stability test figure of cladded type light conversion agent and the common light conversion agent of comparison of the invention；
Fig. 3 is the flow chart of the preparation method of cladded type light conversion agent of the invention；
Fig. 4 is the fluorescence spectra of the first embodiment prepared by cladded type light conversion agent preparation method of the invention；
Fig. 5 is finished figure of second of the embodiment of cladded type light conversion agent of the invention under scanning electron microscope；
Fig. 6 is the fluorescence spectra of second of embodiment of cladded type light conversion agent of the invention；
Fig. 7 is finished figure of the third embodiment of cladded type light conversion agent of the invention under scanning electron microscope；
Fig. 8 is the fluorescence spectra of the third embodiment of cladded type light conversion agent of the invention；
Fig. 9 is the 4th kind of finished figure of the embodiment under scanning electron microscope of cladded type light conversion agent of the invention；
Figure 10 is the dimension using the strawberry grown under conversion film made of cladded type light conversion agent of the invention and ordinary agricultural membrane
Raw cellulose content comparison diagram；
Figure 11 be using the strawberry grown under conversion film made of cladded type light conversion agent of the invention and ordinary agricultural membrane can
Dissolubility sugared content comparison diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1, being a kind of embodiment of cladded type light conversion agent provided by the invention, which includes
Machine fluorescer and siloxanes, the siloxanes are coated on the outside of organic fluorescence agent.The organic fluorescence agent is Pyrazine, acyl
One of imines, quinacridine ketone, dione pyrrolo-pyrrole, naphthalimide, pyrans nitrile, fluorine boron pyroles dyestuff
Or it is any several.The siloxanes is methyltriethoxysilane, methyltrimethoxysilane, phenyl triethoxysilane, second
One of ethyl triethoxy silicane alkane is any several.The value range of the partial size of the organic fluorescence agent particle can be 0.1
~1 μm.
With reference to Fig. 1, under scanning electron microscope, it can be seen that the partial size of cladded type light conversion agent is 0.5~5 μm.Siloxanes conduct
Oxidation prevention layer starvation prevents organic fluorescence agent from oxygenolysis occurs in excitation state, increases substantially making for organic fluorescence agent
Use the service life.It may be up to 80~90% using the agricultural light conversion agent light transmittance that cladded type light conversion agent is prepared, there is very high durable
Property, service life is 3~5 years.And is turning light, keeping off the rain, reduces plant disease, cooling, increasing crop yield, in advance listing and spend
Grass increases gorgeous etc. have a significant effect.Meanwhile siloxanes has astigmatism functions, and using siloxanes as diffusion material, cladding
In that on the surface of organic fluorescence agent, can prepare the cladded type light conversion agent with astigmatism functions, this has the packet of astigmatism functions
Covering type light conversion agent can be changed part direct light as scattering light and hermetic section infrared light, reduces surface temperature, prevents crops
It burns.
The light stability test of cladded type light conversion agent and the common light conversion agent of comparison of the invention
(cladded type light conversion agent is doped into height to the cladded type light conversion agent Masterbatch for being 0.01% by organic fluorescence agent mass concentration
In density polyethylene), organic fluorescence agent mass concentration be 0.01% Masterbatch a (Masterbatch is directly doped into high-density polyethylene
In alkene) and organic fluorescence agent mass concentration be 0.01% Masterbatch b (Masterbatch and organosilicon microballoon simple physical mixing and doping
Into in high density polyethylene (HDPE)) it is placed in progress light degradation test under 35W xenon lamp, it is strong using relative fluorescence of the fluorescence spectrum to sample
Degree is monitored.As a result as shown in Fig. 2, organic light conversion agents are directly entrained in the highly dense of lower glass transition temperatures and high oxygen transmission rate
Photostability is poor in degree polyvinyl resin, and about 24 hour light conversion agents are degradable.Light conversion agent and organosilicon microballoon pass through simple
Physical mixed is entrained in high density polyethylene (HDPE) equally degrades completely quickly.And the cladded type light conversion agent that the present invention uses has very
Good photostability, relative intensity of fluorescence still reaches 81% after 200 hours of light degradation.(above-mentioned organic fluorescence agent is same examination
(2,3- dinitriles -5,6- bis- (4- (diphenyl amino)-[1,1- xenyl]-pyrazine), siloxanes are same reagent (poly- first for agent
Base silsesquioxane), and organic fluorescence agent is identical with the content of siloxanes in each Masterbatch.)
As shown in figure 3, the flow chart of the preparation method for cladded type light conversion agent provided by the invention, the cladded type light conversion agent
Preparation method include:
Step S101 configures dispersant solution, and acid is added, the PH of solution is adjusted to acidity；
Siloxanes is added in obtained solution in step S102, is stirred to react the time of setting；
Organic fluorescence agent is added in obtained solution, is dispersed using ultrasound to solution by step S103；
Alkali is added in obtained solution in step S104, adjusts the PH of solution to alkalinity, is stirred to react the time of setting；
Step S105, is filtered after completion of the reaction, and reaction product is washed with deionized；
Reaction product after washing is dried step S106.
Specifically,
The step S101 is specifically included, and 100ml deionized water, 0.1~1g dispersing agent are added in beaker, will using acid
Solution adjusts PH to 2~3.
The step S102 is specifically included, and 10~20g siloxanes is added in obtained solution, is turned in 100~200rpm
Speed stirring is lower to react 2 hours.
The step S103 is specifically included, and it is 0.1~1 μm organic that 0.02~0.1g partial size is added in obtained solution
Fluorescer, ultrasound keep organic fluorescence agent evenly dispersed in a solvent.
The step S104 is specifically included, and is added alkali in obtained solution, adjusts PH to 8~10, then 30~
50 DEG C, react 24 hours under the revolving speed of 100~200rpm.
The step 106 specifically includes, and the reaction product after washing is dried in vacuo to 12 hours at 70 DEG C and is wrapped
Cover type light conversion agent.
Wherein, in the preparation method of the cladded type light conversion agent, the dispersing agent is polyvinylpyrrolidone, ethoxy fibre
Tie up one of element, hydroxymethyl cellulose, gelatin, polyvinyl alcohol, polyethylene glycol or any several.
Wherein, in the preparation method of the cladded type light conversion agent, the organic fluorescence agent be Pyrazine, acid imide,
One of quinacridine ketone, dione pyrrolo-pyrrole, naphthalimide, pyrans nitrile, fluorine boron pyroles dyestuff are any
It is several.
Wherein, in the preparation method of the cladded type light conversion agent, the siloxanes is methyltriethoxysilane, methyl three
One of methoxy silane, phenyl triethoxysilane, ethyl triethoxysilane are any several.
Wherein, in the preparation method of the cladded type light conversion agent, the acid is hydrochloric acid, in acetic acid, citric acid, dilute sulfuric acid
Any one.
Wherein, in the preparation method of the cladded type light conversion agent, the alkali is ethylenediamine, ammonium hydroxide, triethylamine, hydroxide
Sodium, potassium carbonate, any one in sodium carbonate.
The key point for preparing cladded type light conversion agent is:
(1) prevent organic fluorescence agent from assembling in water phase, the method using ultrasound and addition dispersing agent keeps fluorescence micro-
Ball particle is dispersed in water phase.
(2) first silane is fully hydrolyzed in the aqueous solution that PH is 2~3, forms transparent sol solution.PH is adjusted again
It polymerize silane sufficiently on organic fluorescence agent surface to 8~10, forms cladded type light conversion agent.
(3) partial size of organic fluorescence agent is between 0.5~1 μm, controlled in reaction process silane additive amount, reaction temperature,
PH value and dispersant dosage make cladded type light conversion agent average grain diameter between 1~3 μm.
Below with several specific embodiments, the preparation method of the cladded type light conversion agent is described in detail.
Embodiment 1
100ml deionized water, 0.1g polyvinylpyrrolidone are added in 250ml beaker, uses 1mol/L hydrochloric acid solution
Adjust PH to 2.10g methyltrimethoxysilane is added, 1 hour is stirred to react under 100rpm revolving speed.About by 0.01g partial size
For 400nm 2,3- dinitrile -5,6- bis- (4 '-(diphenyl aminos)-[1,1 '-xenyl]-pyrazine is added in water phase, ultrasound
Disperse 15min.Then PH to 9 is adjusted using ammonium hydroxide, continues to react 24 hours at 30 DEG C.It filters, spends after completion of the reaction
Ionized water washed product, finally 12 hours of vacuum drying obtain cladded type light conversion agent at 70 DEG C.The cladded type light conversion agent is
Average grain diameter is 1.3 μm (referring to Fig. 1), and cladded type light conversion agent maximum emission peak wavelength under 365nm ultraviolet excitation is
615nm (refers to Fig. 4).
Embodiment 2
100ml deionized water, 1g hydroxyethyl cellulose are added in 250ml beaker, uses 1mol/L citric acid solution tune
Save PH to 2.5.20g ethyl triethoxysilane is added, is stirred to react 2 hours under 60rpm revolving speed.It is about 1 μ by 0.1g partial size
The 4- of m adds in water phase tert-butyl benzene oxygroup-N- phenyl -1,8-naphthalimide, ultrasonic disperse 15min.Then it uses
Triethylamine adjusts PH to 10, continues to react 24 hours at 40 DEG C.It filters after completion of the reaction, product is washed with deionized,
Finally 12 hours of vacuum drying obtain cladded type light conversion agent at 70 DEG C.The cladded type light conversion agent is that average grain diameter is 3.4 μm
Microballoon (refer to Fig. 5), maximum emission peak wavelength is 427nm (referring to Fig. 6) under 365nm ultraviolet excitation.
Embodiment 3
100ml deionized water, 0.5g hydroxymethyl cellulose are added in 250ml beaker, adjusts PH to 3 using acetic acid.Add
Enter 15g phenyl triethoxysilane, 2 hours are stirred to react under 80rpm revolving speed.The N for being about 800nm by 0.07g partial size, N '-
Two (2,6- dimethyl) phenyl -1,6,7,12- four add water phase to tert-butyl benzene oxygroup -3,4,9,10- 4 formyl-2-imide
In, ultrasonic disperse 30min.Then PH to 8 is adjusted using 1mol/L sodium hydroxide solution, continues to react 24 small at 50 DEG C
When.It filters after completion of the reaction, product is washed with deionized, finally 12 hours of vacuum drying obtain cladded type turn at 70 DEG C
Photo etching.The cladded type light conversion agent is the microballoon (referring to Fig. 7) that average grain diameter is 3 μm, the emission maximum under 365nm ultraviolet excitation
The a length of 620nm of spike (refers to Fig. 8).
Embodiment 4
100ml deionized water, 0.1g hydroxyethyl cellulose are added in 250ml beaker, uses 1mol/L citric acid solution
Adjust PH to 3.10g methyltriethoxysilane is added, is stirred to react 2 hours under 60rpm revolving speed.It is about by 0.1g partial size
The 4- of 500nm adds in water phase tert-butyl benzene oxygroup-N- phenyl -1,8-naphthalimide, ultrasonic disperse 15min.Then
PH to 10 is adjusted using 1mol/L sodium hydroxide, continues to react 24 hours at 50 DEG C.It filters after completion of the reaction, uses deionization
Water washing product, finally 12 hours of vacuum drying obtain cladded type light conversion agent at 70 DEG C.The cladded type light conversion agent is average
The microballoon (referring to Fig. 9) that partial size is 700nm.
What cladded type light conversion agent provided by the invention can be applied to that agricultural light conversion agent prepares high durable turns light astigmatism
Film turns light sunshade net and turns light astigmatism plate.Wherein, turn the glass plate on the replaceable glasshouse of light astigmatism plate, be made into and turn light temperature
Room.
The present invention provides one kind and turns light sunshade net, including macromolecule resin and sun shading material, described to turn light sunshade net also
Including cladded type light conversion agent as described above.
The method that the preparation turns light shading net includes:
S201, by mass content be 1~5% sun shading material, 5~10% mass contents cladded type light conversion agent and high score
Subtree rouge is uniform in high-speed mixer and mixing, then prepares function Masterbatch respectively using dual-screw pelletizer；
S202, function Masterbatch is uniform in high-speed mixer and mixing with 10~20% mass content and macromolecule resin,
Then wire drawing is carried out using plastic round wire wire drawing machine；
S203 carries out knitmesh using plastic braiding machine and forms to obtain and turn light sunshade net.
In the present embodiment, the sun shading material is one of quinacridone, pyrrolo-pyrrole-dione.
In the present embodiment, the macromolecule resin is high density polyethylene (HDPE), nylon 6, polymethyl methacrylate, polyphenyl
In ethylene, polyethylene terephthalate, polyethylene terephthalate -1,4 cyclohexane dimethanol ester, polypropylene
It is a kind of.
In the present embodiment, the mesh number for turning light sunshade net of the preparation is 5~40 mesh, the diameter of silk is 0.1~
0.5mm。
Table 1.1 is the experiment provided by the invention that turn light sunshade net Yu common organic fluorescence agent using cladded type light conversion agent
Data comparison.
Table 1.1
Turn light light-diffusing film, including light stabilizer, antioxidant and macromolecule resin the present invention also provides one kind, described turn
Light light-diffusing film further includes cladded type light conversion agent as described above.
Described prepare turns the method for light light-diffusing film and includes:
S301, by mass content be 0.5~8% light stabilizer, 1~5% antioxidant, 1~5% drip agent with
Macromolecule resin is uniform in high-speed mixer and mixing, then prepares outer layer master batch using pelletizer；
S302, by mass content be 0.5~5% light stabilizer, 1~5% antioxidant, 5~20% cladded type
Light conversion agent and macromolecule resin are uniform in high-speed mixer and mixing, then prepare conversion layer master batch using pelletizer；
The outer layer master batch that mass content is 5~20% is mixed at 160~220 DEG C with macromolecule resin, is used for by S303
The outer layer of film.The light conversion master batch that mass content is 5~20% is mixed at 160~220 DEG C with macromolecule resin, for film
Internal layer.It is prepared using inflation film manufacturing machine and three-layer co-extruded turns light light-diffusing film.
In the present embodiment, the macromolecule resin is polyethylene, in polypropylene, polyvinyl chloride, polyethylene vinyl acetate
One kind or 2 kinds any.
In the present embodiment, the light stabilizer is770、4050FF、
1600、5050H、622、944、One of 2020.
In the present embodiment, the antioxidant be IRGANOX-1010, IRGANOX-1076, IRGANOX-245,
One of IRGANOX-1330.
In the present embodiment, the drip agent is glycerin monostearate.
Table 1.2 is the experiment provided by the invention that turn light light-diffusing film Yu common organic fluorescence agent using cladded type light conversion agent
Data comparison.
Table 1.2
Turn light astigmatism plate, including light stabilizer, antioxidant and macromolecule resin the present invention also provides one kind, described turn
Light astigmatism plate further includes cladded type light conversion agent as described above.
Described prepare turns the method for light astigmatism net and includes:
S401, by mass content be 1~8% light stabilizer, 1~5% antioxidant, 5~20% cladded type turn
Photo etching and macromolecule resin are uniform in high-speed mixer and mixing, then prepare conversion layer master batch using pelletizer；
S402, mass content is uniform in high-speed mixer and mixing for 5~20% light conversion master batch and macromolecule resin, pass through
Extrusion molding is prepared with a thickness of the plastic plate that 2~10mm, length are 0.3~1m, width is 0.3~1m.
In the present embodiment, the macromolecule resin is polypropylene, polyvinyl chloride, polycarbonate, polystyrene, poly- methyl
One of methyl acrylate, polyethylene terephthalate.
In the present embodiment, the light stabilizer is770、4050FF、
1600、5050H、622、944、One of 2020.
In the present embodiment, the antioxidant be IRGANOX-1010, IRGANOX-1076, IRGANOX-245,
One of IRGANOX-1330.
In the present invention, siloxanes is coated on outside organic fluorescence agent as oxidation prevention layer starvation, prevents light conversion agent from swashing
Oxygenolysis occurs when sending out state, increases substantially the service life of light conversion agent.Agricultural turn prepared using cladded type light conversion agent
Luminescent material light transmittance may be up to 80~90%, have very high-weatherability, and service life is 3~5 years.And is turning light, keeping off the rain, subtracts
Few plant disease, cooling, increasing crop yield, in advance listing and flowers increase gorgeous etc. have a significant effect.
Using the effect for verifying cladded type light conversion agent with the mode that ordinary agricultural membrane compares, of the invention turns light light-diffusing film and does not have
The common each overlay length of PO film for having addition light conversion agent is 58m and heliogreenhouse that width is 10m plantation strawberry, plant away from
18cm, wide row space 90cm, small line-spacing 20cm.Experimental planting 4 months under the conditions of the way to manages such as fertilizer irrigation are consistent.It utilizes
GB/T 5009.7-2016 detects content of reducing sugar；GB/T 5009.86-2016 detects vitamin C (VC) content.With common net
Comparison turns strawberry Vitamin C content in light net and improves 17.6% (with reference to Figure 10), and soluble sugar improves 6.8% (referring to Figure 11),
Volume increase 14% lists for 7 days in advance.
Compared with prior art, long service life of the cladded type light conversion agent provided by the invention with light conversion agent, while by
Have the function of astigmatism in siloxane oxyalkylene, can be that scattering light and hermetic section infrared light etc. are excellent by changing section direct light
Point.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, it is all in spirit of the invention and
In principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cladded type light conversion agent, which is characterized in that including organic fluorescer and siloxanes, the siloxanes is coated on organic
The outside of fluorescer.
2. a kind of method for preparing cladded type light conversion agent as described in claim 1, which is characterized in that the described method includes:
Step A configures dispersant solution, and acid is added, the PH of solution is adjusted to acidity, using acid by solution adjust PH to 2~
3；
Siloxanes is added in obtained solution in step B, is stirred to react the time of setting, in obtained solution be added 10~
20g siloxanes reacts 2 hours under the stirring of 100~200rpm revolving speed；
The organic fluorescence agent that 0.02~0.1g partial size is 0.1~1 μm is added, using ultrasound to molten in step C in obtained solution
Liquid is dispersed；
Alkali is added in obtained solution in step D, adjusts the PH of solution to alkalinity 8~10, then 30~50 DEG C, 100~
24 hours are reacted under the revolving speed of 200rpm；
Step E, is filtered after completion of the reaction, and reaction product is washed with deionized；
Reaction product after washing is dried step F.
3. the preparation method of cladded type light conversion agent according to claim 2, which is characterized in that the dispersing agent is polyethylene
One of pyrrolidones, hydroxyethyl cellulose, hydroxymethyl cellulose, gelatin, polyvinyl alcohol, polyethylene glycol are any several.
4. the preparation method of cladded type light conversion agent according to claim 2, which is characterized in that the organic fluorescence agent is pyrrole
Piperazine class, acid imide, quinacridine ketone, dione pyrrolo-pyrrole, naphthalimide, pyrans nitrile, fluorine boron pyroles dye
One of material is any several.
5. the preparation method of cladded type light conversion agent according to claim 2, which is characterized in that the siloxanes is methyl three
One of Ethoxysilane, methyltrimethoxysilane, phenyl triethoxysilane, ethyl triethoxysilane are any several
Kind.
6. the preparation method of cladded type light conversion agent according to claim 2, which is characterized in that it is described acid be hydrochloric acid, acetic acid,
Any one in citric acid, dilute sulfuric acid.
7. the preparation method of cladded type light conversion agent according to claim 2, which is characterized in that the alkali is ethylenediamine, ammonia
Water, triethylamine, sodium hydroxide, potassium carbonate, any one in sodium carbonate.
8. one kind turns light sunshade net, including macromolecule resin and sun shading material, which is characterized in that the light sunshade net that turns also wraps
Include cladded type light conversion agent as described in claim 1.
9. one kind turns light light-diffusing film, including light stabilizer, antioxidant and macromolecule resin, which is characterized in that described to turn light
Light-diffusing film further includes cladded type light conversion agent as described in claim 1.
10. one kind turns light astigmatism plate, including light stabilizer, antioxidant and macromolecule resin, which is characterized in that described to turn light
Astigmatism plate further includes cladded type light conversion agent as described in claim 1.
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| CN112521738B (en) * | 2020-12-16 | 2021-09-21 | 佛山安亿纳米材料有限公司 | Degradable light conversion film and preparation method and application thereof |
| CN113817461A (en) * | 2021-10-18 | 2021-12-21 | 中国科学院江西稀土研究院 | Rare earth doped high-molecular fluorescent material and preparation method thereof |
| CN115322529A (en) * | 2022-08-05 | 2022-11-11 | 广东科明诺科技有限公司 | Luminescent polyester master batch and preparation method and application thereof |
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