CN106432721A - Method for preparing carbon nano-tubes/polypyrrole nano-particles with performance of metamaterials - Google Patents

Method for preparing carbon nano-tubes/polypyrrole nano-particles with performance of metamaterials Download PDF

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CN106432721A
CN106432721A CN201610875135.1A CN201610875135A CN106432721A CN 106432721 A CN106432721 A CN 106432721A CN 201610875135 A CN201610875135 A CN 201610875135A CN 106432721 A CN106432721 A CN 106432721A
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carbon nano
dispersion liquid
pyrroles
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tubes
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邱军
寇雪晨
姚秀超
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Tongji University
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0605Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0611Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/22Expanded, porous or hollow particles
    • C08K7/24Expanded, porous or hollow particles inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/001Conductive additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

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Abstract

The invention relates to a method for preparing carbon nano-tubes/polypyrrole nano-particles with the performance of metamaterials. The metamaterials are artificial composite materials with periodic or non-periodic man-made micro-structures which are arrayed, are a type of novel man-made materials and are of special structures, and negative dielectric constants and magnetic permeability can be displayed. Designs of the metamaterials are focused on complicated geometric shapes up to now. Dielectric constants epsilon of the carbon nano-tubes/polypyrrole nano-particles prepared by the aid of the method range from -3.0*10<5> to 400 in the ranges of 1MHz-1GHz, the magnetic permeability mu of the carbon nano-tubes/polypyrrole nano-particles ranges from 1 to -0.06, and reports on directly prepared high-polymer composite materials with the performance of metamaterials are unavailable at present. The method has the advantages that the metamaterials are prepared by the aid of the method for synthesizing materials, and accordingly the method is beneficial to expanding application of the metamaterials to the fields of invisibility, miniature antennas, electronic components and the like; the carbon nano-tubes/polypyrrole nano-particles prepared by the aid of the method are powdery and have uniform particle sizes; the method can be used for preparing nano-composite electromagnetic metamaterials.

Description

A kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance Method
Technical field
The present invention relates to a kind of preparation method of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance.
Background technology
Polypyrrole as a kind of typical conducting polymer, in catalysis, capacitor, information Store, secondary cell, electromagnetic wave The fields such as absorption have wide practical use and significant application value.The original position of carbon nano-tube/poly pyrroles's nanoparticle is gathered at present Conjunction can adopt multiple Bronsted acids and oxidant, and such as Bronsted acid can adopt sulphuric acid, hydrochloric acid, phosphoric acid, perchloric acid, nitric acid etc.;Oxygen Agent can adopt hydrogen peroxide, potassium permanganate, potassium iodate, sodium vanadate, ferric chloride etc..However, these oxidants and proton Carbon nano-tube/poly pyrroles's nanoparticle of acid synthesis has positive dielectric constant and positive pcrmeability it is impossible to so that product is had negative Dielectric constant and negative magnetoconductivity.There are some researches show, by suitable positive dielectric constant, negative permittivity, positive pcrmeability and negative magnetic Conductance combination can realize the application in the field such as stealthy, miniature antenna and electronic devices and components for the Meta Materials.
Therefore the negative permittivity of carbon nano-tube/poly pyrroles's nanoparticle is controlled using control CNT addition and bear Pcrmeability, significant for its application in Meta Materials field.
Content of the invention
The invention solves the problems that existing method cannot synthesize asking of the macromolecular material with negative permittivity and negative magnetoconductivity Topic, and a kind of preparation method of the carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance providing.
A kind of preparation method of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance proposed by the present invention, tool Body step is as follows:
(1)Prepare dispersion liquid A:Weigh Bronsted acid 0.1mol, oxidant 0.04mol and multi-walled carbon nano-tubes, be added to 400ml water In;Ultrasonic disperse 60min, controls ultrasonic power 400W, makes oxidant, Bronsted acid and multi-walled carbon nano-tubes be well dispersed in water In, obtain dispersion liquid A;The addition of multi-walled carbon nano-tubes is the 20% ~ 50% of pyrroles's mass;
(2)Prepare dispersion liquid B:0.1mol pyrroles is disperseed in 80ml water(Py), obtain pyrroles's dispersion liquid, Py dispersion liquid is in frozen water Ultrasonic disperse in mixture, obtains dispersion liquid B;Control ultrasonic time is 60min, and ultrasonic power is 400W;
(3)Prepare carbon nano-tube/poly pyrroles's nanoparticle:By step(1)The dispersion liquid A obtaining is placed in the frozen water that crystallizing dish holds In mixture, crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 500-1500r/min.Treat dispersion liquid A When temperature is less than 10 DEG C, while stirring, Deca step(2)The dispersion liquid B obtaining, controls 80ml dispersion liquid B time for adding For 0.1-10min;In this reaction, the mol ratio of Bronsted acid, oxidant and pyrroles is 5:2:5, reaction need to carry out 1- in ice-water bath 2h, stands 12-36h after reaction;
(4)Sucking filtration, drying:Step(3)Obtain by standing after reactant liquor in sand core funnel sucking filtration, through deionized water and second Alcohol washs to supernatant water white transparency, can get carbon nano tube-doped after polypyrrole(PPy), in 70 DEG C of air dry ovens It is dried 8 hours, obtain carbon nano-tube/poly pyrroles's nanoparticle.
In the present invention, step(1)Described in Bronsted acid be succinic acid, in maleic acid or tartaric acid any one.
In the present invention, step(1)Described in oxidant be arbitrary in tert-butyl hydroperoxide or metachloroperbenzoic acid Kind.
In the present invention, step(3)The mixing speed of middle magnetic stirring apparatuss is 500-1500r/min.
The beneficial effects of the present invention is:First, the method that the present invention adopts in-situ polymerization, by multi-walled carbon nano-tubes, proton Acid and oxidant are uniformly dispersed under ultrasound condition, and pass through ice-water bath controlling reaction temperature in the process so as to chain termination Reaction rate reduction is more, so that the molecular weight of strand is increased;Gradually Deca pyrroles dispersion liquid ensure that instead during the course of the reaction That answers is complete;Adopt high-speed stirred during the course of the reaction it is ensured that the dispersion of the homogeneity of reaction system and multi-walled carbon nano-tubes Property;Configuration dispersion liquid when just multi-walled carbon nano-tubes is added, and by its ultrasonic in reactant liquor it is ensured that it is in synthetic system Dispersibility.2nd, the dielectric constant of carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation is situated between in the range of 1MHz-1GHz Electric constant ε is -3.0 × 105~ 400, magnetic permeability μ is 1 ~ -0.06, compared with the conventional method, has the characteristic of negative value.3rd, this Carbon nano-tube/poly pyrroles's nanoparticle of bright preparation can be applicable to Meta Materials and leads in stealthy, miniature antenna and electronic devices and components etc. Domain.
Brief description
Fig. 1 multi-walled carbon nano-tubes/Pt/Polypyrrole composite material dielectric constant and pcrmeability change collection of illustrative plates with frequency.
Specific embodiment
The following examples are that the present invention is further illustrated, rather than limit the scope of the present invention.
Embodiment 1:Present embodiment is a kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance Method, is carried out according to the following steps.
Prepare dispersion liquid A:Weigh succinic acid 0.1mol, tert-butyl hydroperoxide 0.04mol and 20% multi-wall carbon nano-tube Pipe, adds in 400ml water.Ultrasonic disperse 60min(Power 400W), make tert-butyl hydroperoxide, succinic acid and multi-wall carbon nano-tube Pipe is well dispersed in water.
Prepare dispersion liquid B:Scattered 0.18mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 500r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid disposably adds.Bronsted acid, oxidant, the mol ratio of pyrroles in this reaction For 5:2:5,2h need to be carried out in ice-water bath.12h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
Advantages of the present invention:First, the method that the present invention adopts in-situ polymerization, by multi-walled carbon nano-tubes, Bronsted acid and oxidation Agent is uniformly dispersed under ultrasound condition, and passes through ice-water bath controlling reaction temperature in the process so as to chain termination reaction speed Reduce more, so that the molecular weight of strand is increased;2nd, during the course of the reaction adopt high-speed stirred it is ensured that reaction system equal One property and the dispersibility of multi-walled carbon nano-tubes;3rd, configure dispersion liquid when just multi-walled carbon nano-tubes is added, and by its ultrasonic anti- Answer in liquid it is ensured that its dispersibility in synthetic system.
The dielectric constant of carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation dielectric in the range of 1MHz-1GHz is normal Number ε is -3.0 × 105~ 400, magnetic permeability μ is 1 ~ -0.06, compared with the conventional method, has the characteristic of negative value.
Carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation can be applicable to Meta Materials in stealthy, miniature antenna and electricity The fields such as sub- components and parts.
Embodiment 2:Present embodiment is a kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance Method, is carried out according to the following steps.
Prepare dispersion liquid A:Weigh maleic acid 0.1mol, metachloroperbenzoic acid 0.04mol and 50% multi-wall carbon nano-tube Pipe, adds in 400ml water.Ultrasonic disperse 60min(Power 400W), make metachloroperbenzoic acid, maleic acid and multi-wall carbon nano-tube Pipe is well dispersed in water.
Prepare dispersion liquid B:Scattered 0.1mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 1500r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid needs Deca 10min.This reaction in Bronsted acid, oxidant, pyrroles mole Than for 5:2:5,1h need to be carried out in ice-water bath.36h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
Advantages of the present invention:First, the method that the present invention adopts in-situ polymerization, by multi-walled carbon nano-tubes, Bronsted acid and oxidation Agent is uniformly dispersed under ultrasound condition, thereto the dispersion liquid of gradually Deca pyrroles, and is controlled by ice-water bath in the process Reaction temperature, so as to chain termination reaction rate reduction is more, makes the molecular weight of strand increase;2nd, during the course of the reaction gradually Deca pyrroles's dispersion liquid ensure that the complete of reaction;Configuration dispersion liquid when just multi-walled carbon nano-tubes is added, and by its ultrasonic It is ensured that its dispersibility in synthetic system in reactant liquor.
The dielectric constant of carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation dielectric in the range of 1MHz-1GHz is normal Number ε is -3.0 × 105~ 400, magnetic permeability μ is 1 ~ -0.06, compared with the conventional method, has the characteristic of negative value.
Carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation can be applicable to Meta Materials in stealthy, miniature antenna and electricity The fields such as sub- components and parts.
Embodiment 3:Present embodiment is a kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance Method, is carried out according to the following steps.
Prepare dispersion liquid A:Weigh tartaric acid 0.1mol, metachloroperbenzoic acid 0.04mol and 30% multi-wall carbon nano-tube Pipe, adds in 400ml water.Ultrasonic disperse 60min(Power 400W), make metachloroperbenzoic acid, tartaric acid and multi-wall carbon nano-tube Pipe is well dispersed in water.
Prepare dispersion liquid B:Scattered 0.1mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 1000r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid needs Deca 7min.This reaction in Bronsted acid, oxidant, pyrroles mole Than for 5:2:5,1.5h need to be carried out in ice-water bath.24h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
Advantages of the present invention:First, the method that the present invention adopts in-situ polymerization, by multi-walled carbon nano-tubes, Bronsted acid and oxidation Agent is uniformly dispersed under ultrasound condition, thereto the dispersion liquid of gradually Deca pyrroles, and is controlled by ice-water bath in the process Reaction temperature, so as to chain termination reaction rate reduction is more, makes the molecular weight of strand increase;2nd, during the course of the reaction gradually Deca pyrroles's dispersion liquid ensure that the complete of reaction;Configuration dispersion liquid when just multi-walled carbon nano-tubes is added, and by its ultrasonic It is ensured that its dispersibility in synthetic system in reactant liquor.
The dielectric constant of carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation dielectric in the range of 1MHz-1GHz is normal Number ε is -3.0 × 105~ 400, magnetic permeability μ is 1 ~ -0.06, compared with the conventional method, has the characteristic of negative value.
Carbon nano-tube/poly pyrroles's nanoparticle of present invention preparation can be applicable to Meta Materials in stealthy, miniature antenna and electricity The fields such as sub- components and parts.
Embodiment 4:Present embodiment is a kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance Method, present embodiment from unlike specific embodiment three:Step 3 kind uses to be stirred using the rotating speed of 800r/min Mix, other steps are identical.
Embodiment 5:Present embodiment is a kind of preparation of carbon nano-tube/poly pyrroles's nanoparticle of Meta Materials performance parameters Method, present embodiment from unlike specific embodiment two:A kind of multi-walled carbon nano-tubes matter using employing of step Amount fraction is 40%, and other steps are identical.
Effect using following experimental verification present invention:
Experiment one:
Prepare dispersion liquid A:Weigh tartaric acid 0.1mol, chloroperoxybenzoic acid 0.04mol and 20% multi-walled carbon nano-tubes, add In 400ml water.Ultrasonic disperse 60min(Power 400W), chloroperoxybenzoic acid, tartaric acid and multi-walled carbon nano-tubes are well dispersed in In water.
Prepare dispersion liquid B:Scattered 0.1mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 1000r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid disposably adds.Bronsted acid, oxidant, the mol ratio of pyrroles in this reaction For 5:2:5,2h need to be carried out in ice-water bath.24h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
A kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance of this experiment preparation is named as wall more than 20% Carbon nano-tube/poly pyrroles.
Test carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance of this experiment preparation using Agilent E4991A Son(20% multi-walled carbon nano-tubes/polypyrrole)Meta Materials performance, have in the range of 946MHz-1GHz as shown in Figure 1 simultaneously Negative permittivity and negative magnetoconductivity are it is achieved that Meta Materials performance.
Experiment two:
Prepare dispersion liquid A:Weigh maleic acid 0.1mol, tert-butyl hydroperoxide 0.04mol and 30% multi-walled carbon nano-tubes, plus Enter in 400ml water.Ultrasonic disperse 60min(Power 400W), make tert-butyl hydroperoxide, maleic acid and multi-walled carbon nano-tubes abundant It is dispersed in water.
Prepare dispersion liquid B:Scattered 0.1mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 1000r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid disposably adds.Bronsted acid, oxidant, the mol ratio of pyrroles in this reaction For 5:2:5,12h need to be carried out in ice-water bath.36h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
A kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance of this experiment preparation is named as wall more than 30% Carbon nano-tube/poly pyrroles.
Test carbon nano-tube/poly pyrroles's nanoparticle of the Meta Materials performance of this experiment preparation using Agilent E4991A (30% multi-walled carbon nano-tubes/polypyrrole)Meta Materials performance, have negative as shown in Figure 1 in the range of 887MHz-1GHz simultaneously Dielectric constant and negative magnetoconductivity are it is achieved that Meta Materials performance.
Experiment three:
Prepare dispersion liquid A:Weigh maleic acid 0.1mol, chloroperoxybenzoic acid 0.04mol and 50% multi-walled carbon nano-tubes, add In 400ml water.Ultrasonic disperse 60min(Power 400W), make chloroperoxybenzoic acid, maleic acid and multi-walled carbon nano-tubes fully dispersed In water.
Prepare dispersion liquid B:Scattered 0.1mol pyrroles in 80ml water(Py), Py dispersion liquid in mixture of ice and water, surpass Sound 60min, power 400W.
Prepare carbon nano-tube/poly pyrroles's nanoparticle:Dispersion liquid A is placed in the mixture of ice and water that crystallizing dish holds, will Crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 1000r/min.Liquid temp to be disperseed is less than 10 DEG C, is stirring While mixing, Deca dispersion liquid B, 80ml dispersion liquid disposably adds.Bronsted acid, oxidant, the mol ratio of pyrroles in this reaction For 5:2:5,12h need to be carried out in ice-water bath.36h is stood after reaction.
Sucking filtration, drying:By standing after reactant liquor in sand core funnel sucking filtration, through deionized water and washing with alcohol to upper strata Clear liquid water white transparency.Can get carbon nano tube-doped after polypyrrole(PPy), it is dried 8 hours in 70 DEG C of air dry ovens.
A kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance of this experiment preparation is named as wall more than 50% Carbon nano-tube/poly pyrroles.
Test carbon nano-tube/poly pyrroles's nanoparticle of the Meta Materials performance of this experiment preparation using Agilent E4991A (50% multi-walled carbon nano-tubes/polypyrrole)Meta Materials performance, have negative as shown in Figure 1 in the range of 876MHz-1GHz simultaneously Dielectric constant and negative magnetoconductivity are it is achieved that Meta Materials performance.
The above-mentioned description to embodiment is to understand and apply the invention for the ease of those skilled in the art. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein one As principle be applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to embodiment here, , according to the announcement of the present invention, the improvement that the present invention is made and modification all should be in the protection models of the present invention for those skilled in the art Within enclosing.

Claims (4)

1. a kind of preparation method of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance is it is characterised in that concrete walk Suddenly as follows:
(1)Prepare dispersion liquid A:Weigh Bronsted acid 0.1mol, oxidant 0.04mol and multi-walled carbon nano-tubes, be added to 400ml water In;Ultrasonic disperse 60min, controls ultrasonic power 400W, makes oxidant, Bronsted acid and multi-walled carbon nano-tubes be well dispersed in water In, obtain dispersion liquid A;The addition of multi-walled carbon nano-tubes is the 20% ~ 50% of pyrroles's mass;
(2)Prepare dispersion liquid B:0.1mol pyrroles is disperseed in 80ml water(Py), obtain pyrroles's dispersion liquid, Py dispersion liquid is in frozen water Ultrasonic disperse in mixture, obtains dispersion liquid B;Control ultrasonic time is 60min, and ultrasonic power is 400W;
(3)Prepare carbon nano-tube/poly pyrroles's nanoparticle:By step(1)The dispersion liquid A obtaining is placed in the frozen water that crystallizing dish holds In mixture, crystallizing dish is positioned over and stirs with the magnetic stirring apparatuss of the speed stirring of 500-1500r/min;Treat dispersion liquid A When temperature is less than 10 DEG C, while stirring, Deca step(2)The dispersion liquid B obtaining, controls 80ml dispersion liquid B time for adding For 0.1-10min;In this reaction, the mol ratio of Bronsted acid, oxidant and pyrroles is 5:2:5, reaction need to carry out 1- in ice-water bath 2h, stands 12-36h after reaction;
(4)Sucking filtration, drying:Step(3)Obtain by standing after reactant liquor in sand core funnel sucking filtration, through deionized water and second Alcohol washs to supernatant water white transparency, can get carbon nano tube-doped after polypyrrole(PPy), in 70 DEG C of air dry ovens It is dried 8 hours, obtain carbon nano-tube/poly pyrroles's nanoparticle.
2. the preparation side of a kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance according to claim 1 Method is it is characterised in that step(1)Described in Bronsted acid be succinic acid, in maleic acid or tartaric acid any one.
3. the preparation side of a kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance according to claim 1 Method is it is characterised in that step(1)Described in oxidant be any one in tert-butyl hydroperoxide or metachloroperbenzoic acid.
4. the preparation side of a kind of carbon nano-tube/poly pyrroles's nanoparticle with Meta Materials performance according to claim 1 Method is it is characterised in that step(3)The mixing speed of middle magnetic stirring apparatuss is 500-1500r/min.
CN201610875135.1A 2016-09-30 2016-09-30 Method for preparing carbon nano-tubes/polypyrrole nano-particles with performance of metamaterials Pending CN106432721A (en)

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CN107200844A (en) * 2017-07-21 2017-09-26 张娟 A kind of preparation method of polypyrrole magnetic conductance composite
CN107236126A (en) * 2017-07-21 2017-10-10 张娟 A kind of preparation method of high-conductivity composite material
CN107236127A (en) * 2017-07-21 2017-10-10 张娟 A kind of preparation method of compound monomer denatured conductive material
CN108047716A (en) * 2018-01-23 2018-05-18 宿州市微腾知识产权运营有限公司 A kind of preparation method of carbon nanotubes reinforcement Polypyrrole Conducting Materials
CN108424643A (en) * 2018-03-27 2018-08-21 同济大学 A kind of preparation method of annular polypyrrole/conductive silver glue nanocomposite with Meta Materials performance
CN115323785A (en) * 2022-10-17 2022-11-11 天津工业大学 Electromagnetic metamaterial with tunable working frequency and preparation method thereof

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