CN109438970A - A kind of organic photoelectrical material and preparation method thereof - Google Patents

A kind of organic photoelectrical material and preparation method thereof Download PDF

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CN109438970A
CN109438970A CN201811387299.5A CN201811387299A CN109438970A CN 109438970 A CN109438970 A CN 109438970A CN 201811387299 A CN201811387299 A CN 201811387299A CN 109438970 A CN109438970 A CN 109438970A
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parts
conductive black
organic photoelectrical
black
conductive
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韩国才
张锂
李得科
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Lanzhou Institute of Technology
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K2201/001—Conductive additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

Abstract

The invention discloses a kind of organic photoelectrical materials and preparation method thereof, belong to organic photoelectrical material technical field.The material is prepared by following raw material: 1.4-1.8 parts of 1.5-2.2 parts of 5.5-6.5 parts of 9-10.8 parts of 6.5-6.8 parts of 13.5-16 parts of conductive black, nano aluminium oxide, rare earth orthophosphates, coupling agent, stabilizer, the compatilizer of 54-65 parts of urethane acrylate, surface graft modification, wherein, the conductive black of the surface graft modification is to carry out surface graft modification with 4-vinylpridine copolymer using glycidyl methacrylate to obtain.Organic photoelectrical material of the present invention not only have the characteristics that thermal stability is good, luminous efficiency is high, easy processing molding, also have enough antibacterials, moisture resistance performance, in wet condition can normal use, greatly meet the market demand.

Description

A kind of organic photoelectrical material and preparation method thereof
Technical field
The invention belongs to optoelectronic materials technologies more particularly to a kind of organic photoelectrical material and preparation method thereof.
Background technique
Organic photoelectrical material is a kind of organic material with photoelectric activity, usually rich in carbon atom, with big pi-conjugated The organic molecule of system, including two class of small molecule and polymer.Organic photoelectrical material is in Organic Light Emitting Diode, chip tube, too Positive energy battery and memory etc. fields have wide practical use, thus the section very popular as current scientific circles and industrial circle Grind one of project.But device lifetime is short, due to low efficiency etc. so that industrialization process well below it is intended that.In addition, It not being solved in industrialization process there are also problems, wherein rare earth compounding has superior light, electricity, magnetic and catalytic performance, It is embodied in luminous intensity is big, monochromaticjty is good, lifetime of excited state is long etc., but deadly defect is that photo and thermal stability is poor, is difficult to Machine-shaping, which limits the further research and development to its function.
In order to solve the above technical problems, Fang Shaoming, Ma Songtao et al. are in " europium ternary complex-urethane acrylate hair The synthesis of luminescent material and fluorescence property are studied " in disclose, rare earth compounding can be loaded into suitable high-molecular matrix material, To prepare the rare earth high polymer material with particular characteristic.But since preparation method is complicated, rare earth compounding photo-thermal is stablized The poor, technique of property is difficult to scale, so that industrialization process is difficult to realize.
Summary of the invention
It is an object of the invention to: a kind of organic photoelectrical material and preparation method thereof is provided, is made using denatured conductive carbon black Itself and the urethane acrylate matrix composition for being loaded with nano aluminium oxide and rare earth orthophosphates are prepared conduction by filler It has excellent performance, the organic photoelectric composite material that thermal stability is good.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of organic photoelectrical material, it is characterised in that: be prepared by following raw material: urethane acrylate 54- 65 parts, 6.5-6.8 parts of 13.5-16 parts of conductive black, the nano aluminium oxide of surface graft modification, rare earth orthophosphates 9-10.8 Part, 5.5-6.5 parts of coupling agent, 1.5-2.2 parts of stabilizer, 1.4-1.8 parts of compatilizer, wherein the surface graft modification is led Electric carbon black is to carry out surface graft modification with 4-vinylpridine copolymer using glycidyl methacrylate to obtain.
Preferably, the organic photoelectrical material, it is characterised in that: be prepared by following raw material: polyurethane third 10 parts of 6.5 parts of 15 parts of conductive black, nano aluminium oxide, rare earth orthophosphates, the coupling agent of 60 parts of olefin(e) acid ester, surface graft modification 6 parts, 1.8 parts of stabilizer, 1.4 parts of compatilizer.
Preferably, the glycidyl methacrylate and 4-vinylpridine copolymer grafted density are 0.27 chain/μ m2, and the molar content of 4-vinylpridine is 42% in graft polymers.
Preferably, the coupling agent is amino silicane coupling agent.
Preferably, the compatilizer is maleic anhydride graft compatilizer.
Preferably, the stabilizer is light stabilizer 783.
Preferably, the rare earth orthophosphates is LaPO4Or GdPO4。
It is further preferred that the LaPO4Or GdPO4It is the orthophosphates of Dy3+ doping, chemical expression GdPO4: Dy3+Or LaPO4:Dy3+。
The preparation method of above-mentioned organic photoelectrical material, comprises the technical steps that:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention makees light-storing material using rare earth orthophosphates, there is a very high luminous efficiency, and to the light efficiency of lamp and Lux maintenance plays a major role, and is more satisfactory non-mercury florescent lamp vacuum uv phosphor matrix, by itself and polyurethane Acrylate compound, is loaded into it in urethane acrylate basis material, not only has urethane acrylate luminous With light storage performance, and rare earth orthophosphates thermal stability difference and temperature quenching are solved the problems, such as；Nano aluminium oxide is added not only to mention High photosynthetic efficiency, lumen and service life, and the electrostatic charge of the obstruction flowing generated in process is reduced, make rare earth orthophosphates Disperse more evenly molding easy to process in urethane acrylate matrix；Meanwhile the conductive black of surface graft modification being made It being added thereto for filler, conductivity of composite material energy can not only be improved, keep luminous efficiency higher, luminous intensity is bigger, and And composite material is made to have enough anti-microbial properties, improve the functional characteristics of product；
2) organic photoelectrical material of the present invention not only has the characteristics that thermal stability is good, luminous efficiency is high, easy processing molding, also With enough antibacterials, moisture resistance performance, in wet condition can normal use, greatly meet the market demand.
Specific embodiment
Technology contents of the invention are elaborated combined with specific embodiments below, in order to same domain technical staff's Understand.It should be appreciated that embodiment described below is for explaining only the invention, and it is not suitable for limiting the scope of the invention.
Embodiment 1
A kind of organic photoelectrical material is prepared by following raw material: 60 parts of urethane acrylate, surface grafting change 15 parts of conductive black, 6.5 parts of the nano aluminium oxide, rare earth orthophosphates (LaPO of property4) 10 parts, 6 parts of amino silicane coupling agent, light 783 1.8 parts of stabilizer, 1.4 parts of maleic anhydride graft compatilizer, wherein the conductive black of the surface graft modification is to use Glycidyl methacrylate carries out surface graft modification with 4-vinylpridine copolymer and obtains, and Glycidyl methacrylate Glyceride and 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, mole of 4-vinylpridine in graft polymers Content is 42%；
Raw material is got ready according to said ratio, is then made by the steps into:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
Embodiment 2
A kind of organic photoelectrical material is prepared by following raw material: 54 parts of urethane acrylate, surface grafting change 13.5 parts of conductive black, 6.5 parts of the nano aluminium oxide, rare earth orthophosphates (GdPO of property4) 9 parts, amino silicane coupling agent 5.5 Part, 783 1.5 parts of light stabilizer, 1.5 parts of maleic anhydride graft compatilizer, wherein the conductive black of the surface graft modification It is to be obtained using glycidyl methacrylate and 4-vinylpridine copolymer progress surface graft modification, and metering system Acid glycidyl ester and 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, 4-vinylpridine in graft polymers Molar content be 42%；
Raw material is got ready according to said ratio, is then made by the steps into:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
Embodiment 3
A kind of organic photoelectrical material is prepared by following raw material: 65 parts of urethane acrylate, surface grafting change 16 parts of conductive black, 6.8 parts of the nano aluminium oxide, rare earth orthophosphates (LaPO of property4) 10.8 parts, amino silicane coupling agent 6.5 Part, 783 2.2 parts of light stabilizer, 1.8 parts of maleic anhydride graft compatilizer, wherein the conductive black of the surface graft modification It is to be obtained using glycidyl methacrylate and 4-vinylpridine copolymer progress surface graft modification, and metering system Acid glycidyl ester and 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, 4-vinylpridine in graft polymers Molar content be 42%；
Raw material is got ready according to said ratio, is then made by the steps into:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
Embodiment 4
A kind of organic photoelectrical material is prepared by following raw material: 60 parts of urethane acrylate, surface grafting change 15 parts of conductive black, 6.5 parts of the nano aluminium oxide, Dy of property3+Rare earth orthophosphates (the LaPO of doping4:Dy3+) 10 parts, amino silicone 6 parts of alkane coupling agent, 783 1.8 parts of light stabilizer, 1.4 parts of maleic anhydride graft compatilizer, wherein the surface graft modification Conductive black be using glycidyl methacrylate and 4-vinylpridine copolymer progress surface graft modification obtain, and Glycidyl methacrylate and 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, 4- second in graft polymers The molar content of alkenyl pyridine is 42%；
Raw material is got ready according to said ratio, is then made by the steps into:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
Embodiment 5
A kind of organic photoelectrical material is prepared by following raw material: 60 parts of urethane acrylate, surface grafting change 15 parts of conductive black, 6.5 parts of the nano aluminium oxide, Dy of property3+Rare earth orthophosphates (the GdPO of doping4:Dy3+) 10 parts, amino silicone 6 parts of alkane coupling agent, 783 1.8 parts of light stabilizer, 1.4 parts of maleic anhydride graft compatilizer, wherein the surface graft modification Conductive black be using glycidyl methacrylate and 4-vinylpridine copolymer progress surface graft modification obtain, and Glycidyl methacrylate and 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, 4- second in graft polymers The molar content of alkenyl pyridine is 42%；
Raw material is got ready according to said ratio, is then made by the steps into:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the surface hydroxylation Conductive black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amide of amino and acylbromide is utilized Change reaction, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes first under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has for base propylene acid glycidyl ester and 4-vinylpridine The conductive black of polymer；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, is added Silver nitrate is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, is made The denatured conductive carbon black of modified by silver nanoparticles；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, in 90 DEG C of de-airing mixer Middle stirring 20-30 minutes；
6) be added into the mixture of step 5) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and Compatilizer stirs 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, squeezes out at 60-70 DEG C Molding.
The organic photoelectrical material being prepared into using thermogravimetric analyzer testing example 1-5, and with urethane acrylate base Body material is compared, as the result is shown: organic photoelectrical material thermal decomposition temperature is 237 DEG C, and urethane acrylate matrix material The thermal decomposition temperature of material is 250 DEG C, although thermal stability is declined, maintains good thermal stability, explanation substantially Organic photoelectrical material of the present invention has preferable thermal stability；
The organic photoelectrical material being prepared into using VUV light spectrum analysis instrument testing example 1-5, and with the positive phosphorus of corresponding rare earth Hydrochlorate is compared, as the result is shown: the luminous intensity of organic photoelectrical material and corresponding rare earth orthophosphates are essentially identical, explanation Organic photoelectrical material of the present invention has preferable luminous efficiency；And when embodiment 1 compares with example 4,5, embodiment 4 and 5 is sent out Light efficiency is obviously improved, and illustrates Dy3+The rare earth orthophosphates of doping has better illumination effect compared to rare earth orthophosphates.
The embodiment 1-5 organic photoelectrical material prepared is placed under moist and mould environment and tests its anti-microbial property, is tested Period is 30 days, evaluation criterion are as follows:
Effect is poor, and mould is infected or area coverage is greater than 10%；
Effect is general, and mould is infected or area coverage is 5-10%；
Effect is good, and mould is infected or area coverage is less than 5%.
As the result is shown: the organic photoelectrical material anti-microbial property of embodiment 1-5 has reached the good standard of effect, illustrates this hair Bright organic photoelectrical material has good anti-microbial property.

Claims (9)

1. a kind of organic photoelectrical material, it is characterised in that: be prepared by following raw material: urethane acrylate 54-65 Part, 9-10.8 parts of 6.5-6.8 parts of 13.5-16 parts of conductive black, nano aluminium oxide, the rare earth orthophosphates of surface graft modification, 5.5-6.5 parts of coupling agent, 1.5-2.2 parts of stabilizer, 1.4-1.8 parts of compatilizer, wherein the conductive charcoal of the surface graft modification Black is to carry out surface graft modification with 4-vinylpridine copolymer using glycidyl methacrylate to obtain.
2. organic photoelectrical material as described in claim 1, it is characterised in that: be prepared by following raw material: polyurethane 60 parts of acrylate, 10 parts of 6.5 parts of 15 parts of conductive black, nano aluminium oxide, the rare earth orthophosphates of surface graft modification, coupling 6 parts of agent, 1.8 parts of stabilizer, 1.4 parts of compatilizer.
3. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the glycidyl methacrylate with 4-vinylpridine copolymer grafted density be 0.27 chain/μm2, and the molar content of 4-vinylpridine is in graft polymers 42%.
4. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the coupling agent is amino silicane coupling agent.
5. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the compatilizer is maleic anhydride graft phase Hold agent.
6. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the stabilizer is light stabilizer 783.
7. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the rare earth orthophosphates is LaPO4Or GdPO4。
8. organic photoelectrical material as claimed in claim 1 or 2, it is characterised in that: the LaPO4Or GdPO4It is Dy3+Doping Orthophosphates, chemical expression GdPO4:Dy3+Or LaPO4:Dy3+。
9. a kind of preparation method of organic photoelectrical material according to claim 1 or claim 2, it is characterised in that: including following technique Step:
1) dioxygen water process conductive black is used, obtains the conductive black of surface hydroxylation, then by the conduction of the surface hydroxylation Carbon black is reacted with amino silicane coupling agent, obtains amination conductive black；
2) by the amination conductive black and bromo isobutyryl bromine reaction of step 1) preparation, the amidation using amino and acylbromide is anti- It answers, ATRP initiator is grafted to conductive black；
3) using N- n-propyl -2- pyridine methylene imines as ligand, cuprous bromide is catalyst, causes methyl-prop under the conditions of 70 DEG C In the ATRP atactic polymerization on conductive black surface, preparing surface grafting has polymerization for diluted acid ethylene oxidic ester and 4-vinylpridine The conductive black of object；
4) conductive black that surface grafting prepared by step 3) has polymer is placed in ethanol solution of sodium borohydride, nitric acid is added Silver is simultaneously stirred at room temperature 5 hours, then takes out conductive black, is placed in drying 12 hours in 80 DEG C of baking oven, obtained silver is received The denatured conductive carbon black of rice grain modification；
5) urethane acrylate, nano aluminium oxide, rare earth orthophosphates are uniformly mixed, are stirred in 90 DEG C of de-airing mixer It mixes 20-30 minutes；
6) the denatured conductive carbon black of modified by silver nanoparticles, coupling agent, stabilizer and compatible are added into the mixture of step 5) Agent is stirred 2-3 hours in 145 DEG C of de-airing mixer, is then injected into screw extruder, the extrusion molding at 60-70 DEG C.
CN201811387299.5A 2018-11-21 2018-11-21 A kind of organic photoelectrical material and preparation method thereof Pending CN109438970A (en)

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Application publication date: 20190308