CN106750279A - The preparation method of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene - Google Patents

The preparation method of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene Download PDF

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Publication number
CN106750279A
CN106750279A CN201611120619.1A CN201611120619A CN106750279A CN 106750279 A CN106750279 A CN 106750279A CN 201611120619 A CN201611120619 A CN 201611120619A CN 106750279 A CN106750279 A CN 106750279A
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preparation
graphene
ferric oxide
composite material
polyaniline nano
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王耀斌
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Shaanxi Gaoxin Industry Co Ltd
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Shaanxi Gaoxin Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/02Oxides; Hydroxides
    • C01G49/08Ferroso-ferric oxide [Fe3O4]
    • 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
    • C08G73/02Polyamines
    • C08G73/026Wholly aromatic polyamines
    • C08G73/0266Polyanilines or derivatives thereof
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The present invention relates to synthetic resin and plastics arts, and in particular to a kind of preparation method of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene.The preparation method of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene, comprises the following steps:(1)Pre-oxidize the preparation of graphite;(2)The preparation of GO;(3)The preparation of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene.There is not GO in the diffraction maximum that the angle of diffraction is 10.24 in being successfully supported on graphenic surface, and composite in the hollow ferroso-ferric oxide of the present invention, shows GO in solvent thermal reaction, and Graphene is successfully reduced into the presence of ethylene glycol.

Description

The preparation method of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material
Technical field
The present invention relates to synthetic resin and plastics arts, and in particular to a kind of Graphene-hollow ferroso-ferric oxide-poly- The preparation method of aniline nano composite.
Background technology
With science and technology and the development of electronics industry, various electronic equipments are in business, industry, health care etc. Using increasing, electromagnetic interference has become the fourth-largest environomental pollution source after Industrial " three Waste ", electromagnetic pollution into It is " the stealthy killer " of human society.
The unique single layer structure of Graphene makes it have that density is small, specific surface area is big, electric conductivity is excellent and dielectric constant High the features such as, as a kind of novel wave-absorbing material.In addition, in the presence of electromagnetic field, graphene oxide (GO) surface is largely sudden and violent The chemical bond of dew is more prone to the dielectric relaxor of outer-shell electron and electromagnetic wave of decaying, and is that Graphene is opened up in the application for inhaling ripple field Prospect wide;But used as absorbing material, the maximum shortcoming of Graphene is that do not have magnetic and magnetic loss, and Graphene Jie high Electrical loss will cause the difficult problem of impedance matching, so as to influence absorbing property.Therefore, it is hollow in graphenic surface carried magnetic Fe3O4Nano-particle, can not only improve the magnetic property of composite, strengthen magnetic loss, be conducive to the impedance of composite Match somebody with somebody, and H- Fe3O4Particle can reduce Graphene as spacer medium, and stacking is in three-dimensional graphite structure again in drying process, To stablize graphene film Rotating fields serve it is considerable.Simultaneously, it is considered to conducting polymer conduct is added in compound system Clad, not only strengthens magnetic H- Fe3O4The interface cohesion of particle and Graphene, and due to the height of conducting polymer itself Dielectric loss, enhances absorbing property of the composite in high band.
The content of the invention
The present invention is directed to propose a kind of preparation method of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material.
Technical program of the present invention lies in:
The preparation method of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material, comprises the following steps:
(1)Pre-oxidize the preparation of graphite:
Add people in 10~16 mL concentrated sulfuric acids successively 2.0~4.0 g graphite powders and 2.0 ~ 3.5 g sodium peroxydisulfates, stirred in 80 DEG C Mix after 9.0 h with 150~250 mL distilled water dilutings, scrubbed, filtering is dried to constant weight;Pre-oxidation graphite is added to 100 Stirred in~150 mL concentrated sulfuric acids, and the KMnO of 20.0~40.0 g is slowly added under the conditions of ice-water bath4, stirring 0.5~1.0 H, and ultrasonically treated 0.5 h, it is standby;
(2)The preparation of GO:
Pre-oxidation graphite system is warmed up to 35 DEG C, 2.0 h are reacted;Then, the mL distilled water of people 200 is slowly added in system, then instead 2.0 h are answered, control temperature is no more than 50 DEG C, it is 30% that 150~250 mL distilled water and 10~40 mL mass fractions are added again H2O2Terminating reaction, it is scrubbed and dialyse 5~7 days;
(3)The preparation of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material:
By the GO of 0.010 ~ 0.015 g, ultrasonic disperse forms uniform dispersion liquid in 60 mL ethylene glycol, it is subsequently adding 0.42~ The FeCl of 1.68 g3And FeCl3Mixture;0.62 ~ 2.49 g polyvinylpyrrolidones are dissolved in 70 mL ethylene glycol, are stirred into Settled solution;By in resulting solution 100 mL reactors of immigration, 200~230 DEG C are heated to, and be incubated 10.0 ~ 15.0h;By institute Black powder centrifugation is obtained, with respectively washing 3 times of absolute ethyl alcohol and deionized water, 24.0 h is vacuum dried in 50~70 DEG C, obtained To product A;By product A and 0.8 ~ 1.2 g aniline monomers, the pre-dispersed solution for there are a 10.65 g DBSAs is added to In, the min of ultrasonic disperse 30~60 forms homogeneous system B;1.96~2.94 g ammonium persulfate initiators are dissolved in 50~100 In mL distilled water, it is slowly dropped in system B, the h of stirring reaction 12.0;Through suction filtration, wash colourless to filtrate, in 50~70 DEG C 24.0 ~ 36.0 h of vacuum drying, obtain Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material.
Described FeCl3And FeCl3The mass ratio of mixture is 1:1.
The technical effects of the invention are that:
The hollow ferroso-ferric oxide of the present invention is successfully supported in graphenic surface, and composite to be there is not GO and is in the angle of diffraction 10.24 diffraction maximum, shows GO in solvent thermal reaction, and Graphene is successfully reduced into the presence of ethylene glycol.
Specific embodiment
The preparation method of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material, comprises the following steps:
Embodiment 1
(1)Pre-oxidize the preparation of graphite:
Add people in 10~16 mL concentrated sulfuric acids successively 2.0~4.0 g graphite powders and 2.0 ~ 3.5 g sodium peroxydisulfates, stirred in 80 DEG C Mix after 9.0 h with 150~250 mL distilled water dilutings, scrubbed, filtering is dried to constant weight;Pre-oxidation graphite is added to 100 Stirred in~150 mL concentrated sulfuric acids, and the KMnO of 20.0~40.0 g is slowly added under the conditions of ice-water bath4, stirring 0.5~1.0 H, and ultrasonically treated 0.5 h, it is standby;
(2)The preparation of GO:
Pre-oxidation graphite system is warmed up to 35 DEG C, 2.0 h are reacted;Then, the mL distilled water of people 200 is slowly added in system, then instead 2.0 h are answered, control temperature is no more than 50 DEG C, it is 30% that 150~250 mL distilled water and 10~40 mL mass fractions are added again H2O2Terminating reaction, it is scrubbed and dialyse 5~7 days;
(3)The preparation of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material:
By the GO of 0.010 ~ 0.015 g, ultrasonic disperse forms uniform dispersion liquid in 60 mL ethylene glycol, it is subsequently adding 0.42~ The FeCl of 1.68 g3And FeCl3Mixture;0.62 ~ 2.49 g polyvinylpyrrolidones are dissolved in 70 mL ethylene glycol, are stirred into Settled solution;By in resulting solution 100 mL reactors of immigration, 200~230 DEG C are heated to, and be incubated 10.0 ~ 15.0h;By institute Black powder centrifugation is obtained, with respectively washing 3 times of absolute ethyl alcohol and deionized water, 24.0 h is vacuum dried in 50~70 DEG C, obtained To product A;By product A and 0.8 ~ 1.2 g aniline monomers, the pre-dispersed solution for there are a 10.65 g DBSAs is added to In, the min of ultrasonic disperse 30~60 forms homogeneous system B;1.96~2.94 g ammonium persulfate initiators are dissolved in 50~100 In mL distilled water, it is slowly dropped in system B, the h of stirring reaction 12.0;Through suction filtration, wash colourless to filtrate, in 50~70 DEG C 24.0 ~ 36.0 h of vacuum drying, obtain Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material.
Embodiment 2
On the basis of embodiment 1, described FeCl3And FeCl3The mass ratio of mixture is 1:1.

Claims (2)

1. the preparation method of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material, it is characterised in that:Including as follows Step:
(1)Pre-oxidize the preparation of graphite:
Add people in 10~16 mL concentrated sulfuric acids successively 2.0~4.0 g graphite powders and 2.0 ~ 3.5 g sodium peroxydisulfates, stirred in 80 DEG C Mix after 9.0 h with 150~250 mL distilled water dilutings, scrubbed, filtering is dried to constant weight;Pre-oxidation graphite is added to 100 Stirred in~150 mL concentrated sulfuric acids, and the KMnO of 20.0~40.0 g is slowly added under the conditions of ice-water bath4, stirring 0.5~1.0 H, and ultrasonically treated 0.5 h, it is standby;
(2)The preparation of GO:
Pre-oxidation graphite system is warmed up to 35 DEG C, 2.0 h are reacted;Then, the mL distilled water of people 200 is slowly added in system, then instead 2.0 h are answered, control temperature is no more than 50 DEG C, it is 30% that 150~250 mL distilled water and 10~40 mL mass fractions are added again H2O2Terminating reaction, it is scrubbed and dialyse 5~7 days;
(3)The preparation of Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material:
By the GO of 0.010 ~ 0.015 g, ultrasonic disperse forms uniform dispersion liquid in 60 mL ethylene glycol, it is subsequently adding 0.42~ The FeCl of 1.68 g3And FeCl3Mixture;0.62 ~ 2.49 g polyvinylpyrrolidones are dissolved in 70 mL ethylene glycol, are stirred into Settled solution;By in resulting solution 100 mL reactors of immigration, 200~230 DEG C are heated to, and be incubated 10.0 ~ 15.0h;By institute Black powder centrifugation is obtained, with respectively washing 3 times of absolute ethyl alcohol and deionized water, 24.0 h is vacuum dried in 50~70 DEG C, obtained To product A;By product A and 0.8 ~ 1.2 g aniline monomers, the pre-dispersed solution for there are a 10.65 g DBSAs is added to In, the min of ultrasonic disperse 30~60 forms homogeneous system B;1.96~2.94 g ammonium persulfate initiators are dissolved in 50~100 In mL distilled water, it is slowly dropped in system B, the h of stirring reaction 12.0;Through suction filtration, wash colourless to filtrate, in 50~70 DEG C 24.0 ~ 36.0 h of vacuum drying, obtain Graphene-hollow ferroso-ferric oxide-polyaniline nano-composite material.
2. the preparation method of Graphene according to claim 1-hollow ferroso-ferric oxide-polyaniline nano-composite material, It is characterized in that:Described FeCl3And FeCl3The mass ratio of mixture is 1:1.
CN201611120619.1A 2016-12-08 2016-12-08 The preparation method of the hollow ferroso-ferric oxide polyaniline nano-composite material of Graphene Pending CN106750279A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108410350A (en) * 2018-01-29 2018-08-17 清华大学 A kind of preparation method for the intelligent self-lubricating composite including electromagnetism triggering microcapsules
CN114284748A (en) * 2021-12-22 2022-04-05 四川轻化工大学 Composite material and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108410350A (en) * 2018-01-29 2018-08-17 清华大学 A kind of preparation method for the intelligent self-lubricating composite including electromagnetism triggering microcapsules
CN114284748A (en) * 2021-12-22 2022-04-05 四川轻化工大学 Composite material and preparation method and application thereof

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