CN108516542A - A kind of preparation method of high fluorinated volume nanometer fluorinated graphene - Google Patents
A kind of preparation method of high fluorinated volume nanometer fluorinated graphene Download PDFInfo
- Publication number
- CN108516542A CN108516542A CN201810679991.9A CN201810679991A CN108516542A CN 108516542 A CN108516542 A CN 108516542A CN 201810679991 A CN201810679991 A CN 201810679991A CN 108516542 A CN108516542 A CN 108516542A
- Authority
- CN
- China
- Prior art keywords
- fluorinated
- fluorinated graphene
- nanometer
- graphene
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/32—Size or surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention relates to technical field of nano material, disclose a kind of preparation method of high fluorinated volume nanometer fluorinated graphene, Fluorine source is used as using fluorine gas by step 1 first, fluorine gas has very strong reactivity, graphene can be performed etching, to realize chemically fragmenting, reduce the grain size of graphene, effectively prepare the low fluorine content nanometer fluorinated graphene with nano-scale, secondly, by step 2, 3 ultrasonic wave dispersion and high-energy ball milling, further decrease the grain size of fluorinated graphene, finally by the high-temperature fluorination reaction of the fluoro-gas of step 4, the final fluorine content that ensure that in high fluorinated volume nanometer fluorinated graphene powder；By the reaction step of rational design, the nanometer fluorinated graphene powder of final high fluorinated volume Nano Particle obtained has 100nm structure sizes below.
Description
Technical field
The present invention relates to technical field of nano material, especially a kind of preparation side of high fluorinated volume nanometer fluorinated graphene
Method.
Background technology
New derivatives of the fluorinated graphene as graphene had not only maintained the performance of graphene high intensity, but also because of fluorine original
The introducing of son brings novel interface and the physical and chemical performances such as surface energy reduction, hydrophobicity enhancing and Bandgap extension.Meanwhile
Fluorinated graphene high temperature resistant, chemical property are stablized, and show the property of similar polytetrafluoroethylene (PTFE), are referred to as " two-dimentional Teflon
Dragon ".Fluorinated graphene surface energy reduces, hydrophobicity enhancing, while also having the characteristics that high temperature resistant, chemical property stabilization, can be with
Insulator or barrier material as tunnel obstacle or as high quality, it can also be used to light emitting diode and display, interface,
Novel nano electronic device, lubriation material, the fields such as battery electrode material, hydrophobic oleophobic agent, nuclear reactor material, especially exist
At a high speed, it is used under high pressure, hot conditions, it is better, it can be widely applied to high-speed aircraft, carrier rocket, guided missile, tank, vapour
Vehicle etc. makees lubricant, in the fields such as Water-proof and oil-proof, coating also extensive application foreground.Fluorinated graphene is due to lateral lamella
Micron order is commonly reached, it is limited in certain applications field, it needs to carry out nanosizing to fluorinated graphene, preparing has three-dimensional manometer
Change the fluorinated graphene material of structure.
The Chinese patent document of publication number CN201510753302.0 discloses the preparation method of a kind of nanometer of fluorographite,
Its step includes：Nano level graphite is put into reaction kettle, it is dense in fluorine volume under conditions of temperature is 300 DEG C -500 DEG C
Degree is to be reacted 5-70 hours under the fluorine of 50-100%, nitrogen mixed gas environment, obtains the nanometer that fluorine carbon ratio is 0.1-1.47 and is fluorinated stone
Ink.Reaction efficiency of the present invention is high, and reaction safety, at low cost, highest can obtain the nanometer fluorographite that fluorine carbon ratio is 1.47, fit
Together in industrialized production.This technique is that do not have to implement meaning, and traditional so-called nano-graphite is prepared by mechanical milling method
, it is not likely to be breached Nano grade, micron level has been the attainable limit of grinding institute.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of high fluorinated volume nanometer fluorinated graphene, to solve current object
Reason mechanical attrition method can not prepare the high fluorinated volume nanometer fluorinated graphene with nano-scale, the application combination high-temperature fluorination
Lithographic technique, by high-temperature fluorination process twice, a Process During High Energy Ball Milling and ultrasonic Separation can efficiently prepare high fluorinated volume
Nanometer fluorinated graphene.
To realize above-mentioned technical purpose and the technique effect, the invention discloses a kind of high fluorinated volume nanometers to be fluorinated
The preparation method of graphene, includes the following steps：
Step 1：Using graphene as carbon source, it is put into fluorizating apparatus, is passed through fluorine gas, high-temperature fluorination prepares low fluorine content fluorographite
Alkene；
Step 2：In the low fluorine content fluorinated graphene that step 1 is obtained, liquid phase solvent is added and is uniformly mixed, is transferred to planetary
Ball milling in ball mill ball grinder obtains fluorinated graphene slurry；
Step 3：In the fluorinated graphene slurry that step 2 is obtained, liquid phase solvent is added again and is uniformly mixed, passes through ultrasonic wavelength-division
From obtaining fluorinated graphene dispersion liquid, be spray-dried, obtain low fluorine content nanometer fluorinated graphene powder；
Step 4：The low fluorine content nanometer fluorinated graphene powder that step 3 obtains is put into fluorizating apparatus, is passed through fluoro-gas, it is high
High fluorinated volume nanometer fluorinated graphene powder is prepared in temperature fluorination.
Further, the fluoro-gas described in step 4 is mixed gas or gas of nitrogen trifluoride containing 20% fluorine gas.
Further, the preparation method described in step 1 is specially：Pressure 80-95KPa is kept after being passed through fluorine gas, in 450-
8-16h is reacted under the conditions of 500 DEG C.
Further, the high-temperature fluorination described in step 4 is to keep pressure 100-120KPa, anti-under the conditions of 650-700 DEG C
Answer 8-16h.
Further, the liquid phase solvent described in step 2 or step 3 is N-Methyl pyrrolidone, n,N-Dimethylformamide,
N,N-dimethylacetamide, tetramethylurea, N- methylacetamides, acetamide, pyrroles, pyridine, tetrahydrofuran, chloroform, second
Alcohol, propyl alcohol, isobutanol, acetonitrile, acetone, dimethyl sulfoxide (DMSO), gamma-butyrolacton, one kind in 1,3- dimethyl -2- imidazo alkanones
Or a variety of mixture.
Further, ball grinding method is in rotating speed 300-800r/min, Ball-milling Time 2-48h in step 2.
Further, the ultrasonic separation described in step 3 is specially：In supersonic frequency at 20-100kHz, it is ultrasonically treated
12-36h obtains fluorinated graphene dispersion liquid.
Using the above scheme, the invention has the advantages that：The present invention is passed through first by the optimization design of step
Using fluorine gas as Fluorine source, fluorine gas has very strong reactivity, can be performed etching to graphene, to realization step 1
It learns and is crushed, reduce the grain size of graphene, improve reaction contact area, the effective nanosizing for ensureing fluorinated graphene is secondly, logical
Cross step 2,3 ultrasonic wave dispersion and high-energy ball milling, further decrease graphene grain size and improve graphene degree of scatter,
It is reacted finally by the high-temperature fluorination again of step 4, the final fluorine that ensure that in high fluorinated volume nanometer fluorinated graphene powder
Content.The result shows that using the method for the present invention, the fluorine-containing fluorinated graphene of height of nanometer particle size can be obtained.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.
Embodiment 1
Step 1：By 50g graphenes, it is put into fluorizating apparatus, is passed through fluorine gas, keeps pressure 95KPa, it is anti-under the conditions of 450-500 DEG C
Answer 12h.
Step 2：The low fluorine content fluorinated graphene of 100g step 1 preparation is weighed, 500mL N- crassitudes are added
Ketone is transferred in planetary ball mill ball grinder, and ball milling 5h under the conditions of rotating speed 600r/min obtains fluorinated graphene slurry.
Step 3：Fluorinated graphene slurry prepared by step 2 is transferred in plastic bottle, 200mL N- methyl pyrroles are added
Pyrrolidone carries out ultrasonic separation for 24 hours under the conditions of 50kHz, obtains fluorinated graphene dispersion liquid, be spray-dried, obtained
Low fluorine content nanometer fluorinated graphene powder.
Step 4：Low fluorine content nanometer fluorinated graphene powder prepared by 50g step 3, is put into fluorizating apparatus, is passed through and contains
There is the mixed gas of 20% fluorine gas, keeps pressure 100-120KPa, react 16h under the conditions of 650-700 DEG C, obtain high fluorinated volume
Nanometer fluorinated graphene powder.
The high fluorinated volume nanometer fluorinated graphene powder that embodiment 1 is obtained is detection object, and constituent content is carried out to it
Measurement and diameter characterization；Wherein constituent content mensure method is：Sample dispersion is on aluminium foil and fixed, to C, F in sample
Element sums it up, and does normalized Analysis to two constituent contents.The specific experiment method of diameter characterization uses GB/T 29022-2012
Grain size analysis dynamic light scattering method (DLS) respective standard detection method, details are not described herein again.
1 constituent content mensure result table of table
2 diameter characterization result table of table
| Sample ID Sample Name | Testing result Result |
| High fluorinated volume nanometer fluorinated graphene powder | 63.5 nm |
As shown in table 1, it can be obtained after being characterized to high fluorinated volume nanometer fluorinated graphene powder by constituent content mensure
Fluorine content in high fluorinated volume nanometer fluorinated graphene powder is 65.3%, the fluorinated graphene or fluorine prepared higher than conventional method
The fluorine content of fossil graphite product.
As shown in table 1, table 2, diameter characterization is carried out to high fluorinated volume nanometer fluorinated graphene powder by Particle Size Analyzer
Afterwards, high fluorinated volume nanometer fluorinated graphene powder can be obtained after aqueous solution is evenly dispersed, average grain diameter 63.5nm reaches
Nanoscale.
Embodiment 2
Step 1：50g graphenes are put into fluorizating apparatus, are passed through fluorine gas, pressure 80KPa is kept, reacts 8h under the conditions of 450 DEG C.
Step 2：The low fluorine content nanometer fluorinated graphene 100g that step 1 obtains is weighed, stone is fluorinated with low fluorine content nanometer
Black alkene is mixed with liquid phase solvent 500mL liquid phase solvents, it is to be mixed uniformly after be transferred in planetary ball mill ball grinder, in rotating speed
300r/min, Ball-milling Time 2h obtain fluorinated graphene slurry.
The fluorinated graphene slurry that step 2 obtains is transferred in plastic bottle by step 3, and liquid phase solvent mixing is added, waits mixing
It after closing uniformly, is transferred in ultrasonic separation device, in supersonic frequency at 20kHz, is ultrasonically treated 1h, obtains fluorinated graphene point
Fluorinated graphene dispersion liquid is spray-dried by dispersion liquid, obtains low fluorine content nanometer fluorinated graphene powder.
Step 4 weighs the low fluorine content nanometer fluorinated graphene powder 50g that step 3 obtains, and is put into fluorizating apparatus, is passed through
Mixed gas containing 20% fluorine gas keeps pressure 100KPa, reacts 8h under the conditions of 650 DEG C, obtains high fluorinated volume nanometer fluorination
Graphene powder, the method for using embodiment 1 measure F contents as 61.5%, C content 38.5%, and average grain diameter is
86.64nm。
Wherein, step 2, the mixture that the liquid phase solvent described in 3 is N-Methyl pyrrolidone and n,N-Dimethylformamide.
Embodiment 3
Step 1：50g graphenes are put into fluorizating apparatus, are passed through fluorine gas, pressure 90KPa is kept, is reacted under the conditions of 485 DEG C
12h。
Step 2：The low fluorine content nanometer fluorinated graphene 100g that step 1 obtains is weighed, stone is fluorinated with low fluorine content nanometer
Black alkene is mixed with liquid phase solvent 2000mL liquid phase solvents, it is to be mixed uniformly after be transferred in planetary ball mill ball grinder, turn
Fast 500r/min, Ball-milling Time 12h obtain fluorinated graphene slurry.
Step 3：The fluorinated graphene slurry that step 2 obtains is transferred in plastic bottle, liquid phase solvent mixing is added, waits mixing
It after closing uniformly, is transferred in ultrasonic separation device, in supersonic frequency at 60kHz, is ultrasonically treated 12h, obtains fluorinated graphene
Fluorinated graphene dispersion liquid is spray-dried by dispersion liquid, obtains low fluorine content nanometer fluorinated graphene powder.
Step 4：The low fluorine content nanometer fluorinated graphene powder 50g that step 3 obtains is weighed, fluorizating apparatus is put into, is passed through
Mixed gas containing 20% fluorine gas keeps pressure 110KPa, reacts 12h under the conditions of 675 DEG C, obtain high fluorinated volume nanometer fluorine
Graphite alkene powder, the method for using embodiment 1 measure F contents as 62.8%, C content 37.2%, and average grain diameter is
82.3nm。
Wherein, step 2, the mixture that the liquid phase solvent described in 3 is ethyl alcohol and isobutanol.
Embodiment 4
Step 1：50g graphenes are put into fluorizating apparatus, are passed through fluorine gas, pressure 90KPa is kept, is reacted under the conditions of 450 DEG C
12h。
Step 2：The low fluorine content nanometer fluorinated graphene 100g that step 1 obtains is weighed, stone is fluorinated with low fluorine content nanometer
Black alkene is mixed with liquid phase solvent 1000mL liquid phase solvents, it is to be mixed uniformly after be transferred in planetary ball mill ball grinder, turn
Fast 600r/min, Ball-milling Time for 24 hours, obtain fluorinated graphene slurry.
Step 3：In the fluorinated graphene slurry that step 2 obtains, liquid phase solvent is added and is uniformly mixed, is transferred to plastic bottle
In middle ultrasonic separation device, in supersonic frequency at 60kHz, it is ultrasonically treated for 24 hours, obtains fluorinated graphene dispersion liquid, will be fluorinated
Graphene dispersing solution is spray-dried, and low fluorine content nanometer fluorinated graphene powder is obtained.
Step 4：The low fluorine content nanometer fluorinated graphene powder 50g that step 3 obtains is weighed, fluorizating apparatus is put into, is passed through
Containing gas of nitrogen trifluoride, pressure 100KPa is kept, 12h is reacted under the conditions of 685 DEG C, obtains high fluorinated volume nanometer fluorographite
Alkene powder, the method for using embodiment 1 measure F contents as 63.8%, C content 36.2%, average grain diameter 78.6nm.
Wherein, step 2, the mixture that the liquid phase solvent described in 3 is acetone and acetamide.
Embodiment 5
Step 1：50g graphenes are put into fluorizating apparatus, are passed through fluorine gas, pressure 95KPa is kept, is reacted under the conditions of 500 DEG C
16h。
Step 2：The low fluorine content nanometer fluorinated graphene 100g that step 1 obtains is weighed, stone is fluorinated with low fluorine content nanometer
Black alkene is mixed with liquid phase solvent 3000mL liquid phase solvents, it is to be mixed uniformly after be transferred in planetary ball mill ball grinder, turn
Fast 800r/min, Ball-milling Time 48h obtain fluorinated graphene slurry.
Step 3：In the fluorinated graphene slurry that step 2 obtains, liquid phase solvent is added and is uniformly mixed, is transferred to plastic bottle
In middle ultrasonic separation device, in supersonic frequency at 100kHz, it is ultrasonically treated 120h, fluorinated graphene dispersion liquid is obtained, by fluorine
Graphite alkene dispersion liquid is spray-dried, and low fluorine content nanometer fluorinated graphene powder is obtained.
Step 4：It weighs the low fluorine content nanometer fluorinated graphene powder 50g that step 3 obtains and is put into fluorizating apparatus, be passed through
Containing gas of nitrogen trifluoride, pressure 120KPa is kept, 16h is reacted under the conditions of 700 DEG C, obtains high fluorinated volume nanometer fluorographite
Alkene powder, the method for using embodiment 1 measure F contents as 65.3%, C content 34.7%, average grain diameter 63.5nm.
Wherein, step 2, the mixture that the liquid phase solvent described in 3 is acetone and dimethyl sulfoxide (DMSO).
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene, which is characterized in that include the following steps：
Step 1：Using graphene as carbon source, it is put into fluorizating apparatus, is passed through fluorine gas, high-temperature fluorination prepares low fluorine content fluorographite
Alkene；
Step 2：In the low fluorine content fluorinated graphene that step 1 is obtained, liquid phase solvent is added and is uniformly mixed, is transferred to planetary
Ball milling in ball mill ball grinder obtains fluorinated graphene slurry；
Step 3：In the fluorinated graphene slurry that step 2 is obtained, liquid phase solvent is added again and is uniformly mixed, passes through ultrasonic wavelength-division
From obtaining fluorinated graphene dispersion liquid, be spray-dried, obtain low fluorine content nanometer fluorinated graphene powder；
Step 4：The low fluorine content nanometer fluorinated graphene powder that step 3 obtains is put into fluorizating apparatus, is passed through fluoro-gas, it is high
High fluorinated volume nanometer fluorinated graphene powder is prepared in temperature fluorination.
2. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as described in claim 1, it is characterised in that：Step 4
The fluoro-gas is mixed gas or gas of nitrogen trifluoride containing 20% fluorine gas.
3. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as claimed in claim 1 or 2, which is characterized in that step
Preparation method described in rapid 1 is specially：Pressure 80-95KPa is kept after being passed through fluorine gas, reacts 8- under the conditions of 450-500 DEG C
16h。
4. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as claimed in claim 1 or 2, it is characterised in that：Step
High-temperature fluorination pressure 100-120KPa described in rapid 4, reacts 8-16h under the conditions of 650-700 DEG C.
5. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as claimed in claim 1 or 2, it is characterised in that：Step
Rapid 2 or step 3 described in liquid phase solvent be N-Methyl pyrrolidone, n,N-Dimethylformamide, n,N-dimethylacetamide, four
Methylurea, N- methylacetamides, acetamide, pyrroles, pyridine, tetrahydrofuran, chloroform, ethyl alcohol, propyl alcohol, isobutanol, acetonitrile,
Acetone, dimethyl sulfoxide (DMSO), gamma-butyrolacton, one or more mixtures in 1,3- dimethyl -2- imidazo alkanones.
6. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as claimed in claim 1 or 2, it is characterised in that：Step
Ball grinding method is in rotating speed 300-800r/min, Ball-milling Time 2-48h in rapid 2.
7. a kind of preparation method of high fluorinated volume nanometer fluorinated graphene as claimed in claim 1 or 2, it is characterised in that：Step
Ultrasonic separation described in rapid 3 is specially：In supersonic frequency at 20-100kHz, it is ultrasonically treated 12-36h, obtains fluorographite
Alkene dispersion liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679991.9A CN108516542B (en) | 2018-06-27 | 2018-06-27 | Preparation method of high-fluorine-content nano fluorinated graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679991.9A CN108516542B (en) | 2018-06-27 | 2018-06-27 | Preparation method of high-fluorine-content nano fluorinated graphene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108516542A true CN108516542A (en) | 2018-09-11 |
| CN108516542B CN108516542B (en) | 2022-06-14 |
Family
ID=63427851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810679991.9A Active CN108516542B (en) | 2018-06-27 | 2018-06-27 | Preparation method of high-fluorine-content nano fluorinated graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108516542B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436251A (en) * | 2022-03-24 | 2022-05-06 | 四川大学 | Preparation method and application of fluorinated graphene with high thermal stability, high insulation and high thermal conductivity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530911A (en) * | 2010-12-22 | 2012-07-04 | 海洋王照明科技股份有限公司 | Graphene fluoride preparation method |
| CN104724700A (en) * | 2015-03-19 | 2015-06-24 | 岳红军 | Method for efficiently preparing fluorinated graphene |
| CN105621399A (en) * | 2015-12-25 | 2016-06-01 | 山东重山光电材料股份有限公司 | Method for preparing high-purity fluorinated graphene by taking nitrogen trifluoride as fluorine source |
| CN105883745A (en) * | 2016-04-07 | 2016-08-24 | 严瑾 | Fluorinated graphite and preparation method thereof |
| CN107445155A (en) * | 2017-08-10 | 2017-12-08 | 田万鸿 | A kind of graphene dispersing solution and preparation method thereof |
-
2018
- 2018-06-27 CN CN201810679991.9A patent/CN108516542B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530911A (en) * | 2010-12-22 | 2012-07-04 | 海洋王照明科技股份有限公司 | Graphene fluoride preparation method |
| CN104724700A (en) * | 2015-03-19 | 2015-06-24 | 岳红军 | Method for efficiently preparing fluorinated graphene |
| CN105621399A (en) * | 2015-12-25 | 2016-06-01 | 山东重山光电材料股份有限公司 | Method for preparing high-purity fluorinated graphene by taking nitrogen trifluoride as fluorine source |
| CN105883745A (en) * | 2016-04-07 | 2016-08-24 | 严瑾 | Fluorinated graphite and preparation method thereof |
| CN107445155A (en) * | 2017-08-10 | 2017-12-08 | 田万鸿 | A kind of graphene dispersing solution and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 白瑞等: "氟化石墨烯的研究及其在表面处理方面的应用进展", 《表面技术》 * |
| 陈琪等: "氟化石墨烯的制备及应用", 《化工新型材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436251A (en) * | 2022-03-24 | 2022-05-06 | 四川大学 | Preparation method and application of fluorinated graphene with high thermal stability, high insulation and high thermal conductivity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108516542B (en) | 2022-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Fu et al. | Thermal conductivity enhancement of epoxy adhesive using graphene sheets as additives | |
| US10472242B2 (en) | Method for preparing graphene by using high speed homogenization pretreatment and high pressure homogenation | |
| Ghozatloo et al. | Effects of surface modification on the dispersion and thermal conductivity of CNT/water nanofluids | |
| EP3157865B1 (en) | Process for preparing graphene nanoplatelets | |
| Cheng et al. | Multifunctional elastic rGO hybrid aerogels for microwave absorption, infrared stealth and heat insulation | |
| Ozawa et al. | Soft nano-wrapping on graphene oxide by using metal–organic network films composed of tannic acid and Fe ions | |
| US20150191359A1 (en) | Foams of Graphene, Method of Making and Materials Made Thereof | |
| Zhang et al. | A core–shell polypyrrole@ silicon carbide nanowire (PPy@ SiC) nanocomposite for the broadband elimination of electromagnetic pollution | |
| ITMI20130334A1 (en) | CONCENTRATED WATER DISPERSION OF GRAPHENE AND ITS PREPARATION PROCESS. | |
| WO2017060497A1 (en) | Layered materials and methods for their processing | |
| Quinsaat et al. | Dielectric properties of silver nanoparticles coated with silica shells of different thicknesses | |
| Zhao et al. | A green, rapid, scalable and versatile hydrothermal strategy to fabricate monodisperse carbon spheres with tunable micrometer size and hierarchical porosity | |
| Wang et al. | Atomically dispersed manganese sites embedded within nitrogen-doped carbon nanotubes for high-efficiency electromagnetic wave absorption | |
| Zang et al. | Microfluidic generation of graphene beads for supercapacitor electrode materials | |
| CN106082195A (en) | A kind of ball milling formula preparation method of Graphene | |
| CN108516542A (en) | A kind of preparation method of high fluorinated volume nanometer fluorinated graphene | |
| CN111087634B (en) | Nano-composite porous polyimide film and preparation method thereof | |
| Nöske et al. | Electrostatic stabilization and characterization of fine ground silicon particles in ethanol | |
| Meziani et al. | Advances in studies of boron nitride nanosheets and nanocomposites for thermal transport and related applications | |
| CN106883609B (en) | Pressure sensitive material for high-temperature and high-pressure sensor and preparation method thereof | |
| Wu et al. | Inner surface-functionalized graphene aerogel microgranules with static microwave attenuation and dynamic infrared shielding | |
| Wang et al. | Hollow SiC@ MnO2 nanospheres with tunable core size and shell thickness for excellent electromagnetic wave absorption | |
| Liu et al. | Investigation of the dispersion behavior of fluorinated MWCNTs in various solvents | |
| Huang et al. | Oxidized multiwall carbon nanotube/silicone foam composites with effective electromagnetic interference shielding and high gamma radiation stability | |
| Abbasi et al. | Thermal conductivity of water based nanofluids containing decorated multi walled carbon nanotubes with different amount of TiO2 nanoparticles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191114 Address after: 361000 Room 301, no.178-2, Zhennan 2nd Road, Xinmin Town, Tong'an District, Xiamen City, Fujian Province Applicant after: Xiamen Zhongkexifu Technology Co., Ltd. Address before: 361100 5 Tun Li, Hou Pu village, Lianhua Town, Tongan District, Xiamen, Fujian Applicant before: Ye Rongsen |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |