CN110128784A - A kind of preparation method of aqueous carbon hybrid material - Google Patents
A kind of preparation method of aqueous carbon hybrid material Download PDFInfo
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/041—Carbon nanotubes
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Abstract
Graphene oxide or carbon nanotube and water are ultrasonically treated by a kind of preparation method of aqueous carbon hybrid material, and aqueous solution is made；Graphene oxide water solution, carbon nano-tube aqueous solutions are mixed, and dispersing agent are added, mixed solution, which is ultrasonically treated, is made mixed solution；Green reducing agent is added into mixed solution, after temperature reaction, extra dispersing agent and green reducing agent is washed with water, freeze-drying obtains aqueous carbon hybrid material.Graphene/carbon nano-tube carbon hybrid material prepared by the present invention can stable dispersion in aqueous solution.Carbon hybrid material preparation process whole process of the invention is solvent-free, does not generate chemical waste, environmental-friendly, low in cost, can be applied to industrial production.Reducing agent (vitamin C) and dispersing agent (tannin) needed for graphene/carbon nano-tube carbon hybrid material prepared by the present invention derive from biomass resource, have the characteristics that renewable, nontoxic.
Description
Technical field
The present invention relates to carbon material preparations, and in particular to a kind of preparation method of aqueous carbon hybrid material.
Background technique
Graphene is as the brand-new material being concerned, and graphene is have honeycomb crystal structure huge from the point of view of structure
Big two-dimensional slice material has good conductive, thermally conductive and mechanical performance.When having external force when graphene surface,
The closelypacked carbon atom of graphene surface can keep the stability of structure, therefore the mechanical performance of graphene by resetting
It is especially prominent.And the one-dimensional structure of carbon nanotube is equivalent to play graphene roll and is used together carbon atom and closes two sections, with graphite
Alkene is compared, and the flexibility of carbon atom weakens in structure, therefore carbon nanotube mechanical performance is not so good as graphene, but the SP of carbon atom2
The huge draw ratio of hydridization and carbon nanotube itself, so that foring one big π delocalized bond, carrier and hole in carbon nanotube
Delivery rate in carbon nanotube is all very fast, can reach 10 0000cm2/ vs, therefore the electric property of carbon nanotube is excellent
It is different.As it can be seen that carbon nanotube is complementary on structure and properties with graphene, if it is respective can be given full play to the two for the two hydridization
Advantage, for example, can be prepared with spin-coating method or chemical vapour deposition technique graphene/carbon nanotube composite film (Huang Wei, pay
Will soldier, Zhu Jiayi, Wang Zhaoyang, the Progress In Preparation of graphene/carbon nanotube composite film, material Leader, 2016,30 (1),
24-30), it can produce a kind of synergistic effect between graphene and carbon nanotube, lead its isotropism thermal conductivity, isotropism
The physical and chemical performances such as electrical property, three-dimensional space microporous network are enhanced, thus this laminated film has extensively in many fields
Wealthy application prospect.
But the premise for obtaining high performance carbon hybrid material is to obtain evenly dispersed carbon hybrid material dispersion liquid, many institute's weeks
Know, graphene and carbon nanotube are had huge surface energy, accumulation of easily reuniting by the inherently hydrophobic limitation of carbon material, it is difficult to
Removing and stable dispersion in aqueous solution.In order to increase the dissolubility of carbon material in water, common processing method is, in carbon
Hydrophilic radical is accessed on material to increase the dissolubility of carbon material in water, Li Mingxia etc. discloses a kind of polyvinylpyrrolidine
Ketone/graphene composite nano-fiber material and preparation method thereof (Li Mingxia, Cai Zhuan, Wang Peng, Wang Shuhong, Zhao Hongtao, Chang Jinhui,
Cao Xiaojian, evergreen, Ma Dongge, Wang is at polyvinylpyrrolidone/graphene composite nano-fiber material and preparation method thereof, patent
Application number: 201510408773.8), surfactant such as high molecular polymer polyvinylpyrrolidone is used as dispersion liquid to go
Dispersed graphite alkene, this kind of dispersing agent is adsorbable to form coating in graphene surface, to prevent self group of graphene
It is poly-, there is preferable dispersion effect, but polyvinylpyrrolidone is difficult to remove, limits the application in graphene later period；Or carbon is received
Mitron is acidified, i.e. carboxyl grafting, and Li Rong etc. has been spaced apart a kind of utilization acidization tool processing carbon nanotube preparation carbon nanotube
(Li Rong, Wu Xingle, Zhu Huihui, villous themeda answer a kind of triumphant utilization acidization tool processing carbon nanotube preparation carbon nanotube to the method for fiber
The method of fiber, number of patent application: 201610292027.1), but this method often destroys the structure of carbon material, excessive
Processing can also be such that the draw ratio of carbon nanotube declines, and then lead to the decrease of electric conductivity, while can generate a large amount of chemical wastes
Object, processing cost is high, pollution environment, is difficult to industrially promote.Therefore develop a kind of environmentally protective method prepare it is aqueous miscellaneous
It is very significant to change carbon material.
The invention is similar by structure between carbon material first and there are electrostatic interaction, the spies of the interactions such as π-π absorption
Point, using can remove in water and stable dispersion graphene oxide adsorb carbon nanotube, while be added have benzene ring structure and
Hydrophilic green stabilizer tannin, it is sonicated to obtain graphene oxide/carbon nanotube/tannin stable dispersions；Again
Vitamin C is added as reducing agent, the graphene oxide in carbon hybrid material is reduced into graphene, and carbon hydridization material after reduction
Material is still able to maintain stable dispersion in aqueous solution；Extra tannin and vitamin C are finally washed away with a large amount of ultrapure waters, are freeze-dried
Just obtain afterwards can in water, ethyl alcohol isopolarity solvent stable and uniform disperse graphene and carbon nanotube carbon hybrid material.System
Standby process is not related to organic phase, and reaction is simple, meets the requirement of Green Chemistry, and do not destroy the structure of carbon material, it is ensured that stone
The performance of black alkene and carbon nano-tube hybridization material excellent properties.
Summary of the invention
The technical issues of solution: it is difficult to solve existing carbon hybrid material technology of preparing dispersion effect with structural behaviour simultaneous
The matter of science and technology of Gu, the present invention provide a kind of preparation method of aqueous carbon hybrid material.The aqueous carbon hybrid material can be
Stable and uniform is dispersed in water, ethyl alcohol isopolarity solvent, therefore can give full play to graphene and carbon nanotube synergistic effect, is prepared
Carbon hybrid material physical and chemical performance it is outstanding than single carbon material, can application range it is wider.This method have it is environmentally protective,
Preparation process is simple, is easy to the advantages that being mass produced.
Technical solution: a kind of preparation method of aqueous carbon hybrid material is made: step 1: stone will be aoxidized by following steps
Black alkene or carbon nanotube and water press mass volume ratio 1:(1~1000), under conditions of 20~300W power, 40-80KHz frequency
Ultrasonic treatment 10~180 minutes, be made respectively concentration is identical, range 0.01~1.0mg/mL single carbon material aqueous solution；
Step 2: graphene oxide water solution, carbon nano-tube aqueous solutions are mixed by institute carbonaceous material mass ratio 10:1~1:10, and add
Enter the dispersing agent for being 10:1~1:10 with carbon material total mass ratio, mixed solution is under the conditions of 20~300W power, 40-80KHz
It is ultrasonically treated 10~180 minutes obtained graphene oxides/carbon nanotube carbon hybrid material mixed solution；Step 3: to oxidation stone
It is added green reducing agent in black alkene/carbon nanotube carbon hybrid material mixed solution, the green reducing agent and graphene oxide
Mass ratio is 1:(1~20), it stirs evenly, is warming up to 60~100 DEG C, 2~6 hours of reaction use ultrapure water after reaction
Extra dispersing agent and green reducing agent are washed away, freeze-drying obtains aqueous carbon hybrid material.
Preferably, above-mentioned dispersing agent is not have containing benzene ring structure, hydrophilic tannic acid, gallic acid, epicatechin, table
Infanticide theine, chlorogenic acid, procyanidine, cinnamic acid, vanillic aldehyde, resveratrol, taxol, dopamine, caffeic acid, chlorogenic acid,
Coumaric acid, galuteolin, Kaempferide, Vitexin, alkannic acid, orientoside, myricetin, astragalin, lignin, in humic acid
It is at least one.
Preferably, above-mentioned green reducing agent is vitamin C, tea polyphenols, tannic acid, hydrogen-rich water, glucose, chitosan, gold
Belong to simple-substance reducing agent sodium, metal simple-substance reducing agent aluminium, metal simple-substance reducing agent zinc, metal simple-substance reducing agent iron, protein and more
At least one of peptide, amino acid, myricetin, chlorogenic acid, cinnamic acid, humic acid.
Preferably, above-mentioned carbon nanotube is single-walled carbon nanotube, multi-walled carbon nanotube, double-walled carbon nano-tube, array carbon
Nanotube, carboxylic carbon nano-tube, hydroxyl carbon nano tube, aminated carbon nano tube, nitrogen-doped carbon nanometer pipe, spiral carbon nanometer
Pipe can dodge right carbon nanotube, imperial palace through multi-walled carbon nanotube, carbon nano-tube fibre, orientation multi-walled carbon nanotube, nickel coat multi wall
At least one of carbon nanotube, amino multi-wall carbon nanotube.
Preferably, the mass volume ratio of above-mentioned graphene oxide or carbon nanotube and water is 1:(100~1000).
Preferably, respectively contained in above-mentioned graphene oxide solution when preparing carbon hybridized mixed solution and carbon nano-tube solution
Carbon material mass ratio is 5:1~1:5.
Preferably, the mass ratio of above-mentioned carbon material gross mass and dispersing agent is 1:(1~5).
Preferably, the mass ratio of above-mentioned green reducing agent and graphene oxide is 1:(2~10).
Preferably, ultrasonic time is 30~90 minutes in the above-mentioned first step and second step, ultrasonic power is 80~150W, super
Acoustic frequency is 45KHz.
Preferably, in above-mentioned third step reaction temperature be 80 DEG C, reaction time 4h.
The utility model has the advantages that 1. graphene/carbon nano-tube carbon hybrid material prepared by the present invention can stable dispersion in aqueous solution.
2. carbon hybrid material preparation process whole process of the invention is solvent-free, chemical waste is not generated, it is environmental-friendly, it is low in cost, it can
Applied to industrial production.3. reducing agent vitamin C and list needed for graphene/carbon nano-tube carbon hybrid material prepared by the present invention
Biomass resource is rather derived from, is had the characteristics that renewable, nontoxic.
Detailed description of the invention
Fig. 1 is that aqueous hybrid carbon material disperses digital photograph after a week in water and part organic solution.
Fig. 2 is the scanning electron microscope (SEM) photograph of aqueous carbon hybrid material made from embodiment 4.
Fig. 3 is the transmission electron microscope picture of aqueous carbon hybrid material made from embodiment 4.
Fig. 4 is to add tannin and be not added with the hydridization carbon material of tannin to disperse the digital photograph after 24 hours in water.
Specific embodiment
The present invention is specifically described below by example, embodiment provides detailed embodiment and specific operation
Step is served only for should not be understood as limiting the scope of the invention to further explanation of the invention.
Embodiment 1
By the graphene oxide water solution of 270mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 90mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:1
Tannic acid, mixed solution ultrasound 30min at ultrasonic power 80W；It is added raw for the dimension of 1:10 with graphene oxide mass ratio
Plain C, 80 DEG C of isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, it is vacuum dried to obtain graphite
Alkene and carbon nanotube mass are than the aqueous carbon hybrid material for 3:1.The carbon hybrid material is taken, the total matter of composite material is accounted for carbon material
The proportion of filler for measuring 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material, through 80
Corresponding electrical performance testing sample is obtained after DEG C 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Embodiment 2
By the graphene oxide water solution of 240mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 120mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:1
Tannic acid, mixed solution ultrasound 30min at ultrasonic power 80W；It is added raw for the dimension of 1:10 with graphene oxide mass ratio
Plain C, 80 DEG C of isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, it is vacuum dried to obtain graphite
Alkene and carbon nanotube mass are than the aqueous carbon hybrid material for 2:1.The carbon hybrid material is taken, the total matter of composite material is accounted for carbon material
The proportion of filler for measuring 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material, through 80
Corresponding electrical performance testing sample is obtained after DEG C 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Embodiment 3
By the graphene oxide water solution of 180mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 180mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:1
Tannic acid, mixed solution ultrasound 30min at ultrasonic power 80W；It is added raw for the dimension of 1:10 with graphene oxide mass ratio
Plain C, 80 DEG C of isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, it is vacuum dried to obtain graphite
Alkene and carbon nanotube mass are than the aqueous carbon hybrid material for 1:1.The carbon hybrid material is taken, the total matter of composite material is accounted for carbon material
The proportion of filler for measuring 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material, through 80
Corresponding electrical performance testing sample is obtained after DEG C 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Embodiment 4
By the graphene oxide water solution of 120mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 240mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:1
Tannic acid, the ultrasound 30min at ultrasonic power 80W；The vitamin C that addition is 1:10 with graphene oxide mass ratio, 80 DEG C
Isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, the vacuum dried graphene that obtains is received with carbon
Mitron mass ratio is the aqueous carbon hybrid material of 1:2.The carbon hybrid material is taken, composite material gross mass is accounted for carbon material
The proportion of filler of 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material, through 80 DEG C
Corresponding electrical performance testing sample is obtained after 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Embodiment 5
By the graphene oxide water solution of 90mL 1mg/mL, ultrasound 60min is carried out in advance under conditions of ultrasonic power is 80W
Processing, by the carbon nano-tube aqueous solutions of 270mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:1
Tannic acid, the ultrasound 30min at ultrasonic power 80W；The vitamin C that addition is 1:10 with graphene oxide mass ratio, 80 DEG C
Isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, the vacuum dried graphene that obtains is received with carbon
Mitron mass ratio is the aqueous carbon hybrid material of 1:3.The carbon hybrid material is taken, composite material gross mass is accounted for carbon material
The proportion of filler of 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material, through 80 DEG C
Corresponding electrical performance testing sample is obtained after 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Embodiment 6
By the graphene oxide water solution of 120mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 240mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:3
Tannic acid, the ultrasound 30min at ultrasonic power 80W；The vitamin C that addition is 1:10 with graphene oxide mass ratio, 80 DEG C
Isothermal reaction 4h.After reaction, excessive tannin and Vc, the vacuum dried water obtained under this condition are washed away with distilled water
Property carbon hybrid material.The carbon hybrid material is taken, the proportion of filler of composite material gross mass 0.5wt% is accounted for carbon material, with E51 type
Epoxy resin is matrix, and polyetheramine D400 is that curing agent prepares composite material, through 80 DEG C of 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C
Corresponding electrical performance testing sample is obtained after 2h solidification.
Embodiment 7
By the graphene oxide water solution of 120mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 240mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:5
Tannic acid, the ultrasound 30min at ultrasonic power 80W；The vitamin C that addition is 1:10 with graphene oxide mass ratio, 80 DEG C
Isothermal reaction 4h.After reaction, excessive tannin and Vc, the vacuum dried water obtained under this condition are washed away with distilled water
Property carbon hybrid material.The carbon hybrid material is taken, the proportion of filler of composite material gross mass 0.5wt% is accounted for carbon material, with E51 type
Epoxy resin is matrix, and polyetheramine D400 is that curing agent prepares composite material, through 80 DEG C of 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C
Corresponding electrical performance testing sample is obtained after 2h solidification.
Embodiment 8
By the graphene oxide water solution of 120mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 240mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and being added with total carbon hybrid material (graphene oxide and carbon nanotube) mass ratio is 1:
10 tannic acid, the ultrasound 30min at ultrasonic power 80W；The vitamin C that addition is 1:10 with graphene oxide mass ratio, 80
DEG C isothermal reaction 4h.After reaction, excessive tannin and Vc are washed away with distilled water, it is vacuum dried to obtain under this condition
Aqueous carbon hybrid material.The carbon hybrid material is taken, accounts for the proportion of filler of composite material gross mass 0.5wt%, with carbon material with E51
Type epoxy resin is matrix, and polyetheramine D400 is that curing agent prepares composite material, through 80 DEG C of 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180
Corresponding electrical performance testing sample is obtained after DEG C 2h solidification.
Comparative example 1
By the graphene oxide water solution of 120mL 1mg/mL, ultrasound 60min is carried out under conditions of ultrasonic power is 80W
Pretreatment, by the carbon nano-tube aqueous solutions of 240mL 1mg/mL, ultrasound 60min is located in advance under conditions of ultrasonic power is 80W
Reason, i.e., graphene oxide and the mass ratio of carbon nanotube are 3:1 in carbon hybrid material.After pretreatment, by graphene oxide
Aqueous solution, carbon nano-tube aqueous solutions are blended, and do not add tannic acid, the ultrasound 30min at ultrasonic power 80W；It is added and oxidation stone
Black alkene mass ratio is the vitamin C of 1:10,80 DEG C of isothermal reaction 4h.After reaction, with distilled water wash away excessive tannin and
Vc, the vacuum dried aqueous carbon hybrid material obtained under this condition.The carbon hybrid material is taken, composite material is accounted for carbon material
The proportion of filler of gross mass 0.5wt%, using E51 type epoxy resin as matrix, polyetheramine D400 is that curing agent prepares composite material,
Corresponding electrical performance testing sample is obtained after 80 DEG C of 2h, 120 DEG C of 2h, 150 DEG C of 5h, 180 DEG C of 2h solidifications.
Comparative example analysis
The carbon hybrid material that tannic acid is not added with made from comparative example is dispersed in aqueous solution, carbon material settles quickly,
Illustrate without add tannic acid carbon hybrid material cannot stable dispersion in aqueous solution, as shown in Figure 4.
1 0.5wt.% carbon hybrid material of table/epoxy resin composite material conductivity
From the point of view of the electric conductivity data of the composite material made from the different embodiments, when preparing contained stone in carbon hybrid material
Electric property is best when black alkene and the mass ratio of carbon nanotube are 1:2, and electric property is under the increasing and have of tannin additive amount
Drop trend.
Claims (10)
1. a kind of preparation method of aqueous carbon hybrid material, it is characterised in that be made by following steps:
Step 1: graphene oxide or carbon nanotube and water are pressed mass volume ratio 1:(1 ~ 1000), 20 ~ 300 W power,
It is ultrasonically treated 10 ~ 180 minutes under conditions of 40-80 KHz frequency, is made that concentration is identical, range is in 0.01 ~ 1.0 mg/mL respectively
Single carbon material aqueous solution；
Step 2: graphene oxide water solution, carbon nano-tube aqueous solutions are mixed by institute carbonaceous material mass ratio 10:1 ~ 1:10,
And the dispersing agent for being 10:1 ~ 1:10 with carbon material total mass ratio is added, mixed solution is in 20 ~ 300 W power, 40-80 KHz item
10 ~ 180 minutes obtained graphene oxides/carbon nanotube carbon hybrid material mixed solution is ultrasonically treated under part；
Step 3: green reducing agent is added into graphene oxide/carbon nanotube carbon hybrid material mixed solution, the green is also
The mass ratio of former agent and graphene oxide is 1:(1 ~ 20), it stirs evenly, is warming up to 60 ~ 100 DEG C, react 2 ~ 6 hours, reaction
After, extra dispersing agent and green reducing agent is washed with water, freeze-drying obtains aqueous carbon hybrid material.
2. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the dispersing agent is to contain benzene
Ring structure, hydrophilic tannic acid, gallic acid, epicatechin, epi-nutgall theine, chlorogenic acid, procyanidine, cinnamic acid,
Vanillic aldehyde, resveratrol, taxol, dopamine, caffeic acid, chlorogenic acid, coumaric acid, galuteolin, Kaempferide, Vitexin, purple
At least one of oxalic acid, orientoside, myricetin, astragalin, lignin, humic acid.
3. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the green reducing agent is dimension
Raw element C, tea polyphenols, tannic acid, hydrogen-rich water, glucose, chitosan, metal simple-substance reducing agent sodium, metal simple-substance reducing agent aluminium, gold
Belong to simple-substance reducing agent zinc, metal simple-substance reducing agent iron, protein and polypeptide, amino acid, myricetin, chlorogenic acid, cinnamic acid, Hu Min
At least one of acid.
4. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the carbon nanotube is single wall
Carbon nanotube, multi-walled carbon nanotube, double-walled carbon nano-tube, aligned carbon-nanotubes, carboxylic carbon nano-tube, hydroxylating carbon nanometer
Pipe, nitrogen-doped carbon nanometer pipe, spiral carbon nanotubes, can dodge right carbon nanotube, imperial palace through multi-wall carbon nano-tube at aminated carbon nano tube
Pipe, carbon nano-tube fibre, orientation multi-walled carbon nanotube, nickel coat multi-walled carbon nanotube, in amino multi-wall carbon nanotube extremely
Few one kind.
5. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the graphene oxide or carbon
The mass volume ratio of nanotube and water is 1:(100 ~ 1000).
6. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that described to prepare carbon hybridized mixed
Graphene oxide solution and institute's carbonaceous material mass ratio respective in carbon nano-tube solution are 5:1 ~ 1:5 when solution.
7. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the carbon material gross mass with
The mass ratio of dispersing agent is 1:(1 ~ 5).
8. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the green reducing agent and oxygen
The mass ratio of graphite alkene is 1:(2 ~ 10).
9. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that the first step and second step
Middle ultrasonic time is 30 ~ 90 minutes, ultrasonic power is 80 ~ 150W, supersonic frequency 45KHz.
10. the preparation method of aqueous carbon hybrid material according to claim 1, it is characterised in that react temperature in the third step
Degree is 80 DEG C, the reaction time is 4 h.
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| CN114605667A (en) * | 2022-03-10 | 2022-06-10 | 西安理工大学 | Preparation method of tannic acid functionalized carbon nanotube/graphene composite hydrogel |
| CN114940493A (en) * | 2022-06-08 | 2022-08-26 | 安徽大学 | Graphene stripping method, graphene flexible film and preparation method thereof |
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| CN114940493A (en) * | 2022-06-08 | 2022-08-26 | 安徽大学 | Graphene stripping method, graphene flexible film and preparation method thereof |
| CN114940493B (en) * | 2022-06-08 | 2024-04-19 | 合肥艾克思维新材料科技有限公司 | Graphene peeling method, graphene flexible film and preparation method thereof |
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