CN109679146A - A kind of preparation method of MXene/ cellulose composite aerogel - Google Patents
A kind of preparation method of MXene/ cellulose composite aerogel Download PDFInfo
- Publication number
- CN109679146A CN109679146A CN201811006681.7A CN201811006681A CN109679146A CN 109679146 A CN109679146 A CN 109679146A CN 201811006681 A CN201811006681 A CN 201811006681A CN 109679146 A CN109679146 A CN 109679146A
- Authority
- CN
- China
- Prior art keywords
- cellulose
- mxene
- composite aerogel
- powder
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
Abstract
The present invention relates to aeroge and electromagnetic-wave absorbent field, specially a kind of preparation method of MXene/ cellulose composite aerogel.MAX phase ceramics powder is added first in the mixed aqueous solution of lithium fluoride, hydrochloric acid and hydrofluoric acid that certain proportion is deployed and performs etching to obtain MXene nanometer powder.Using cellulose sol method, cellulose powder is added in the mixed aqueous solution of a certain proportion of sodium hydroxide and urea, is cooled to subzero 12 DEG C and transparent cellulose mixed solution is prepared.The temperature is kept, MXene nanometer powder is added into cellulose mixed solution, appropriate epoxychloropropane is then added is sufficiently stirred and be chemically crosslinked.Temperature is improved, obtained homogeneous mixture is subjected to gel reaction.Jel product is oriented freezing, obtains MXene/ cellulose composite aerogel using freeze-drying process.Composite aerogel of the present invention has the characteristics such as low-density, high porosity, absorbing property are good, suction wave frequency section is wide, and suitable large-scale application easy to use is in aerospace field.
Description
Technical field
The present invention relates to aeroge and electromagnetic-wave absorbent field, specially a kind of MXene/ cellulose composite aerogel
Preparation method.
Background technique
Excessive electromagenetic wave radiation interferes electronic equipment, influences human health, high performance microwave absorbing material has because of it
Dissipative electromagnetic microwave emissivity and receive more and more attention.It is generally believed that ideal electromagnetic wave absorbent material should meet
The strict demand of light weight, Absorber Bandwidth and high-selenium corn efficiency.By using hydrofluoric acid or the mixed solution of lithium fluoride and hydrochloric acid
Etching removal layered ternary ceramic MAX phase is (such as: Ti2AlC、Nb2AlC etc.) in metal layer (such as: aluminium), prepare functionalization
Transition metal carbides nanometer sheet MXene.Studies have shown that this material has excellent heat to electricity conversion and electrochemical energy
The performances such as storage.The lamella MXene of the two-dimentional transition metal carbides nanometer sheet of functionalization made from this method is a kind of
Numerous functional groups is contained on high conductivity ceramic material with nanometer laminated structure, surface, such as: oxygen functional group, hydroxyl official
It can roll into a ball with fluorine functional group, help can be provided for further chemical crosslink reaction, while it is extremely strong hydrophilic that itself is had
Performance.Based on polarization and conduction loss mechanism, MXene can have very strong absorbing property, but not related so far
Occur in the relevant report of MXene composite aerogel.
Preparing aeroge or foam-based microwave absorbing material is proved to be to realize lighting, wide absorption band and high-selenium corn
The effective way of performance.Wherein, the cellulose especially obtained from natural plants is due to its low density, high elastic modulus and height
Specific surface area and be suitable for construct porous network structure aeroge.In addition, the hydrophilic surface of cellulose contains a large amount of hydroxyl
Base, this is conducive to them and combines in covalent reaction with other functional groups and form the cross-linked structure between hydrogen bond.MXene and fibre
The surface nature for tieing up both plain materials is similar to, and shows there is good crosslinking ability between them.
Summary of the invention
In order to solve the problems, such as that MXene can not be produced out aerogel material, the purpose of the present invention is to provide a kind of suctions
Wave, lightweight MXene/ cellulose composite aerogel preparation method, overcome traditional handicraft prepare MXene/ resin inhale wave material
The shortcomings that high density of material, low conductivity, low absorbing property and narrow absorption.The compound airsetting of MXene/ cellulose prepared by the present invention
Glue density low absorption efficiency is high, and effective Absorber Bandwidth is big, high production efficiency, and method is easy, is easy to industrialization large-scale production
Using.
Technical scheme is as follows:
A kind of preparation method of MXene/ cellulose composite aerogel, using chemical etching, cellulose sol gel, chemistry
Crosslinking and orientation freeze-drying series of steps prepare the MXene/ cellulose composite aerogel of orienting stephanoporate structure, and raw material uses
MAX phase ceramics powder, MXene and cellulose；
It performs etching to obtain firstly, MAX phase ceramics powder is added in the mixed aqueous solution of lithium fluoride, hydrochloric acid and hydrofluoric acid
MXene nanometer powder；Then, using cellulose sol method, the mixing that sodium hydroxide and urea is added in cellulose powder is water-soluble
In liquid, it is cooled to subzero 10~15 DEG C and transparent cellulose mixed solution is prepared, and keep the temperature, by MXene nanometers
Powder is added into cellulose mixed solution；Then, addition chemical cross-linking agent, which is sufficiently stirred, is chemically crosslinked, and improves temperature extremely
25~40 DEG C of progress gel reactions；Finally, the product of gel reaction is carried out freeze-drying process, it is multiple to obtain MXene/ cellulose
Close aeroge.
The preparation method of the MXene/ cellulose composite aerogel, the granularity of raw material MAX phase ceramics powder are as follows: 20~
800 nanometers or 1~50 micron, the granularity of cellulose powder is 5~100 microns.
The preparation method of the MXene/ cellulose composite aerogel, raw material MAX phase ceramics powder pass through chemical etching
The step of MXene needed for prepared by means, the formula of chemical etching solution: the molar ratio of LiF, HCl, HF and water is n (LiF): n
(HCl): n (HF): water=(1~5): (1~5): 1:(10~100)；Etch period is 1~40 hour, and temperature is 10~250
DEG C, MXene nanometer powder is obtained by etching.
The preparation method of the MXene/ cellulose composite aerogel configures fiber using cellulose sol gel step
Plain mixed solution, the formula of cellulose mixed solution: cellulose, NaOH, urea and water mass ratio be cellulose: NaOH: urine
Element: water=(1~10): (2~20): (4~30): 100.
The preparation method of the MXene/ cellulose composite aerogel, in chemical crosslinking step, chemical cross-linking agent is
Chemical cross-linking agent and MXene are added in cellulose mixed solution and carry out chemical crosslinking processing by epoxychloropropane, chemical crosslinking
The mass ratio of agent, MXene and cellulose is 1:(1~30): (1~3).
The preparation method of the MXene/ cellulose composite aerogel uses liquid nitrogen in orientation freeze-drying step
Auxiliary freezing equipment is oriented freezing to plural gel, and freezing rate is 1~100mm/min.
The preparation method of the MXene/ cellulose composite aerogel, in orientation freeze-drying step, dry vacuum
Degree is 0.01~10Pa.
The preparation method of the MXene/ cellulose composite aerogel, cellulose passes through covalent cross-linking and hydrogen bond action will
MXene is interconnected, and the quality of cellulose and MXene are 1:1~10 than range.
Design philosophy of the invention is:
Compared with the conventional method, the present invention is solidifying by using chemical etching, cellulose sol using a kind of mild method
Glue, chemical crosslinking and orientation freeze-drying series of steps preparation have the fiber of MXene mutually overlapped hierarchical network architecture
MXene is assembled into a 3D conductive network by plain composite aerogel, this preparation method.Wherein, cellulose passes through covalent cross-linking
Play the part of bridge beam action with hydrogen bond action, MXene is interconnected, it is gentle that the addition of crosslinking agent then further enhances crosslinking degree
The integral strength of gel.By the high conduction performance of MXene/ cellulose composite aerogel and the characteristic of low-density, realize lightweight,
The characteristic of high-selenium corn.
The present invention has the following advantages and beneficial effects:
1. the present invention is using chemical etching, cellulose sol gel, chemical crosslinking and orientation freeze-drying series of steps
Method successfully prepares the composite aerogel of the MXene/ cellulose with cross-linked network structure.
2. the level porous structure of aerogel composite of the present invention provides more multiple reflection effects, effective attenuation into
Enter the electromagnetic wave of material internal, while also enhancing the conductivity of MXene network, further enhance the conduction loss of the material, increases
The absorbent properties of strong electromagnetic wave.
3. aerogel composite of the present invention has typical low-density (0.1~0.3g/cm3), there is excellent minimum
Reflection loss, absorbing property reach -40dB or more, and effective absorption band is greater than 5GHz.
4. the ideal material that the aerogel composite of lightweight of the present invention, high electromagnetic wave absorption performance is aerospace applications.
Detailed description of the invention
Fig. 1 is Ti in embodiment 13AlC2The electron scanning photo of powder.
Fig. 2 is the Ti that chemical etching obtains in embodiment 13C2The electron scanning photo of powder.
Fig. 3 is Ti in embodiment 13C2The digital photos and XCT photo of/cellulose composite aerogel.In figure, (a) is
Ti3C2The digital photos of/cellulose composite aerogel (b) are Ti3C2The XCT photo of/cellulose composite aerogel is (c) (a)
Cross section (cross-section) tissue topography, (d) be (b) longitudinal section (longitudinal section) tissue shape
Looks.
Fig. 4 is Ti in embodiment 13C2The electron scanning photo of/cellulose composite aerogel.
Fig. 5 is Ti in embodiment 13C2The electromagnetic wave absorption performance picture of/cellulose composite aerogel.In figure, abscissa
Frequency is represented electro-magnetic wave absorption frequency (GHz), and ordinate RL represents electro-magnetic wave absorption intensity (dB).
Specific embodiment
In the specific implementation process, the method for the present invention can be applied to micron and nano-scale MXene powder and other MXene
Powder/cellulosic material system, specifically with a kind of preparation method explanation of MXene/ cellulose composite aerogel.First by MAX
Phase ceramics powder is added in the mixed aqueous solution of lithium fluoride, hydrochloric acid and hydrofluoric acid that certain proportion is deployed and performs etching to obtain
MXene nanometer powder.Using cellulose sol method, cellulose powder is added to the mixing of a certain proportion of sodium hydroxide and urea
In aqueous solution, it is cooled to subzero 12 DEG C and transparent cellulose mixed solution is prepared, keep the temperature, by MXene nano powder
End is added into cellulose mixed solution, appropriate epoxychloropropane is then added is sufficiently stirred and be chemically crosslinked, and improves temperature,
Obtained homogeneous mixture is subjected to gel reaction.Jel product is oriented freezing, is obtained using freeze-drying process
To MXene/ cellulose composite aerogel.
Invention is further described in detail with reference to the accompanying drawings and examples, but does not limit the present invention.
Embodiment 1
In the present embodiment, MXene/ cellulose composite aerogel the preparation method is as follows:
1. being Ti by the chemical etching name of an article3AlC2MAX phase ceramics powder prepare Ti3C2.In typical chemical etching mistake
The molar ratio of LiF, HCl, HF and water is n (LiF) by Cheng Zhong: n (HCl): n (HF): water=2:3:1:100, and it is poly- at 500 milliliters
Gentle agitation in propylene bottle.Then, by Ti3AlC2Powder (200 nanometers of granularity, 20 grams) is added gradually in the mixture, and will
Reaction is maintained at 40 DEG C and continues 10 hours.Products therefrom is washed through deionized water and is centrifuged 5 times.Finally, using vacuum freeze drying
The Ti that device is dried to obtain3C2Powder.
2. collosol and gel preparation is carried out to cellulose by alkali metal hydroxide sodium/urea liquid, by cellulose powder (grain
Degree is 5 microns), NaOH, urea and water mass ratio be wt% (cellulose): wt% (NaOH): wt% (urea): wt% (water)
=5:7:12:100, mixes, and forms uniform solution, is then cooled to -12 DEG C in advance, and it is molten that cellulose mixing can be obtained
Liquid.
3. by epoxychloropropane and Ti3C2Powder, which is added in cellulose mixed solution, carries out chemical crosslinking processing, epoxy chlorine
Propane and Ti3C2And mass ratio wt% (epoxychloropropane): wt% (Ti of cellulose3C2): wt% (cellulose)=1:6:1.5.
Then it is carried out ultrasonic treatment 10 minutes, is vigorously stirred 30 minutes, products therefrom pours into mold and saves 3 small at room temperature
When, form Ti3C2/ cellulose aquagel.Gained hydrogel is washed with deionized 6 times, removes alkali metal hydroxide/urea
Component.
4. gained hydrogel, which is placed on liquid nitrogen auxiliary freezing equipment, is oriented freezing to plural gel, freezing rate is
4mm/min.Then it is lyophilized with freeze-dryer, dry vacuum degree is 5Pa, obtains Ti3C2/ cellulose composite aerogel.
In the present embodiment, cellulose is interconnected MXene by covalent cross-linking and hydrogen bond action, cellulose and MXene
Quality than range be 1:4, technical indicator is as follows: density 0.31g/cm3, porosity 90%, absorbing property: -37dB inhales
2~18GHz of wave frequency section.
As shown in Figure 1, the Ti from embodiment 13AlC2The electron scanning photo of powder can be seen that its pattern without organ shape
Lamellar structure, specification are 20~400 nanometers of thickness, 50~800 nanometers of width.
As shown in Fig. 2, the Ti that chemical etching obtains from embodiment 13C2The electron scanning photo of powder can be seen that it
Pattern has organ shape lamellar structure, and piece interlayer generates removing after chemical etching.
As shown in figure 3, the Ti from embodiment 13C2The digital photos and XCT photo of/cellulose composite aerogel can be seen
Out, the material of preparation is macroscopically being also the lamellar structure of long-range order.
As shown in figure 4, the Ti from embodiment 13C2The electron scanning photo of/cellulose composite aerogel can be seen that macroscopic view
The material of lamellar structure is to be made of on microcosmic nanoscale twins, and 40~80 microns of macroscopical lamellar spacing, piece interlayer is continuous
30~60 microns of lamella bore hole size.
As shown in figure 5, the Ti from embodiment 13C2The electromagnetic wave absorption performance picture of/cellulose composite aerogel can be seen
Out, absorbing property: -37dB inhales 2~18GHz of wave frequency section.
Embodiment 2
In the present embodiment, MXene/ cellulose composite aerogel the preparation method is as follows:
1. being Nb by the chemical etching name of an article2The MAX phase ceramics powder of AlC prepares Nb2C, specification be thickness 30~
300 nanometers, 100~500 nanometers of length.It is n by the molar ratio of LiF, HCl, HF and water during typical chemical etching
(LiF): n (HCl): n (HF): water=3:4:1:100, the gentle agitation in 500 milliliters of polypropylene vials.Then, by Nb2AlC powder
Last (180 nanometers of granularity, 30 grams) are added gradually in the mixture, and reaction is maintained at 30 DEG C and continues 20 hours.Gained produces
Object is washed through deionized water and is centrifuged 5 times.Finally, the Nb being dried to obtain with vacuum freeze dryer2C powder.
2. collosol and gel preparation is carried out to cellulose by alkali metal hydroxide sodium/urea liquid, by cellulose powder (grain
Degree is 100 microns), NaOH, urea and water mass ratio be wt% (cellulose): wt% (NaOH): wt% (urea): wt%
(water)=6:8:17:100, mixes, and forms uniform solution, is cooled to -12 DEG C in advance then to get molten to cellulose mixing
Liquid.
3. by epoxychloropropane and Nb2C powder, which is added in cellulose mixed solution, carries out chemical crosslinking processing, epoxy chlorine
Propane and Nb2Mass ratio wt% (epoxychloropropane): wt% (Nb of C and cellulose2C): wt% (cellulose)=1:12:1.5.
Then it is carried out ultrasonic treatment 20 minutes, is vigorously stirred 60 minutes, products therefrom pours into mold and saves 5 small at room temperature
When, form Nb2C/ cellulose aquagel.Gained hydrogel is washed with deionized 8 times, removes alkali metal hydroxide/urea
Component.
4. gained hydrogel, which is placed on liquid nitrogen auxiliary freezing equipment, is oriented freezing to plural gel, freezing rate is
3mm/min.Then it is lyophilized with freeze-dryer, dry vacuum degree is 5Pa, obtains Nb2C/ cellulose composite aerogel.
In the present embodiment, cellulose is interconnected MXene by covalent cross-linking and hydrogen bond action, cellulose and MXene
Quality than range be 1:6, specification is 50~100 microns of macroscopical lamellar spacing, piece interlayer serialgram layer bore hole size
20~40 microns, technical indicator is as follows: density 0.4g/cm3, porosity 80%, absorbing property: -43dB inhales wave frequency section 2
~18GHz.
Embodiment the result shows that, by the present invention in that with the mixed solution of hydrofluoric acid or lithium fluoride and hydrochloric acid etch remove
Metal layer (such as: aluminium) in layered ternary ceramic MAX phase, prepares the transition metal carbides nanometer sheet of functionalization
MXene, and compound aeroge is prepared for condensating fiber element.MXene powder and cellulose are prepared into mixed gel solution, then cold
It is lyophilized dry, the composite aerogel of preparation has that low-density, high porosity, absorbing property are good, the inhale wave frequency section characteristics such as wide, user
Just it is suitble to large-scale application in aerospace field.
Claims (8)
1. a kind of preparation method of MXene/ cellulose composite aerogel, which is characterized in that use chemical etching, cellulose sol
Gel, chemical crosslinking and orientation freeze-drying series of steps prepare the compound airsetting of MXene/ cellulose of orienting stephanoporate structure
Glue, raw material use MAX phase ceramics powder, MXene and cellulose；
It performs etching to obtain firstly, MAX phase ceramics powder is added in the mixed aqueous solution of lithium fluoride, hydrochloric acid and hydrofluoric acid
MXene nanometer powder；Then, using cellulose sol method, the mixing that sodium hydroxide and urea is added in cellulose powder is water-soluble
In liquid, it is cooled to subzero 10~15 DEG C and transparent cellulose mixed solution is prepared, and keep the temperature, by MXene nanometers
Powder is added into cellulose mixed solution；Then, addition chemical cross-linking agent, which is sufficiently stirred, is chemically crosslinked, and improves temperature extremely
25~40 DEG C of progress gel reactions；Finally, the product of gel reaction is carried out freeze-drying process, it is multiple to obtain MXene/ cellulose
Close aeroge.
2. the preparation method of MXene/ cellulose composite aerogel according to claim 1, which is characterized in that raw material MAX
The granularity of phase ceramics powder are as follows: 20~800 nanometers or 1~50 micron, the granularity of cellulose powder is 5~100 microns.
3. the preparation method of MXene/ cellulose composite aerogel according to claim 2, which is characterized in that raw material MAX
Phase ceramics powder by chemical etching means prepare needed for MXene the step of, the formula of chemical etching solution: LiF, HCl, HF and
The molar ratio of water is n (LiF): n (HCl): n (HF): water=(1~5): (1~5): 1:(10~100)；Etch period is 1~40
Hour, temperature is 10~250 DEG C, obtains MXene nanometer powder by etching.
4. the preparation method of MXene/ cellulose composite aerogel according to claim 3, which is characterized in that use fiber
Plain collosol and gel step configures cellulose mixed solution, the formula of cellulose mixed solution: cellulose, NaOH, urea and water
Mass ratio is cellulose: NaOH: urea: water=(1~10): (2~20): (4~30): 100.
5. the preparation method of MXene/ cellulose composite aerogel according to claim 4, which is characterized in that handed in chemistry
Join in step, chemical cross-linking agent is epoxychloropropane, and chemical cross-linking agent and MXene are added in cellulose mixed solution and carried out
Chemical crosslinking processing, the mass ratio of chemical cross-linking agent, MXene and cellulose are 1:(1~30): (1~3).
6. the preparation method of MXene/ cellulose composite aerogel according to claim 1, which is characterized in that cold orienting
Freeze in drying steps, freezing is oriented to plural gel using liquid nitrogen auxiliary freezing equipment, freezing rate is 1~100mm/
min。
7. the preparation method of MXene/ cellulose composite aerogel according to claim 1 or 6, which is characterized in that fixed
Into freeze-drying step, dry vacuum degree is 0.01~10Pa.
8. the preparation method of MXene/ cellulose composite aerogel according to claim 1 or 4, which is characterized in that fiber
Element is interconnected MXene by covalent cross-linking and hydrogen bond action, and the quality of cellulose and MXene are 1:1~10 than range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006681.7A CN109679146A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of MXene/ cellulose composite aerogel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006681.7A CN109679146A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of MXene/ cellulose composite aerogel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109679146A true CN109679146A (en) | 2019-04-26 |
Family
ID=66184593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811006681.7A Pending CN109679146A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of MXene/ cellulose composite aerogel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109679146A (en) |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142011A (en) * | 2019-07-05 | 2019-08-20 | 北华航天工业学院 | A kind of preparation method of structurally ordered fluorine nitrogen-doped graphene aeroge |
| CN110172185A (en) * | 2019-05-08 | 2019-08-27 | 南京林业大学 | A kind of anisotropy nano-cellulose aerogel and preparation method thereof and device |
| CN111282522A (en) * | 2020-02-10 | 2020-06-16 | 四川大学 | Metal organic framework composite aerogel material and preparation method and application thereof |
| CN111303449A (en) * | 2020-01-17 | 2020-06-19 | 华中科技大学 | Degradable electroactive bacterial cellulose/MXene composite hydrogel and preparation and application thereof |
| CN111617309A (en) * | 2020-05-08 | 2020-09-04 | 北京化工大学常州先进材料研究院 | Antibacterial hemostatic sponge and preparation method thereof |
| CN111952537A (en) * | 2019-05-17 | 2020-11-17 | 华中农业大学 | Cellulose and transition metal carbon/nitride composite three-dimensional current collector and preparation method and application thereof |
| CN112086294A (en) * | 2020-09-17 | 2020-12-15 | 方金丹 | Foam metal/MXene/NFC electrode material for supercapacitor and preparation method thereof |
| CN112537773A (en) * | 2019-09-20 | 2021-03-23 | 浙江工业大学 | Method for vertically growing MXene on conductive substrate |
| CN112911920A (en) * | 2021-02-08 | 2021-06-04 | 西安理工大学 | Preparation method of MXene-carbon aerogel/TPU composite material |
| CN113101877A (en) * | 2021-04-06 | 2021-07-13 | 南京林业大学 | Preparation method of MXene-based composite aerogel |
| CN113185193A (en) * | 2021-04-07 | 2021-07-30 | 东南大学 | MXene composite fiber reinforced graphene aerogel wave-absorbing material and preparation method thereof |
| CN113354861A (en) * | 2021-05-25 | 2021-09-07 | 同济大学 | Universal method for preparing functional nano material/cellulose composite aerogel by using paper folding principle |
| CN113603935A (en) * | 2021-06-25 | 2021-11-05 | 浙江大学 | Composite aerogel with Janus characteristics and preparation method and application thereof |
| CN113645820A (en) * | 2021-07-12 | 2021-11-12 | 西安理工大学 | Preparation method of MXene-CNT/carbon aerogel composite material |
| CN113718371A (en) * | 2021-09-24 | 2021-11-30 | 中国科学院苏州纳米技术与纳米仿生研究所 | MXene aerogel fiber, preparation method and application thereof |
| CN112233914B (en) * | 2020-10-15 | 2022-01-18 | 哈尔滨工业大学 | Preparation method and application of micronized cellulose/MXene composite film |
| CN114053988A (en) * | 2021-09-29 | 2022-02-18 | 山东农业大学 | Preparation method and application of MXene composite aerogel material |
| CN114288953A (en) * | 2021-12-15 | 2022-04-08 | 同济大学 | Preparation method and application of super-hydrophobic MXene-based/cellulose composite aerogel |
| CN114349002A (en) * | 2021-12-16 | 2022-04-15 | 西安理工大学 | Preparation method of cellulose aerogel-MXene porous carbon electrode material |
| CN114605708A (en) * | 2022-03-21 | 2022-06-10 | 上海理工大学 | Preparation method of MXene nano-cellulose carbon nano-tube composite material |
| CN114773684A (en) * | 2022-04-06 | 2022-07-22 | 山东大学 | Chemically crosslinked cellulose-based composite foam and preparation method and application thereof |
| CN114805941A (en) * | 2022-05-09 | 2022-07-29 | 东南大学 | Directional heat-conducting porous radiation refrigeration film material and preparation method thereof |
| CN114804108A (en) * | 2022-02-25 | 2022-07-29 | 西安理工大学 | N, S preparation method of co-doped MXene/cellulose derived carbon aerogel |
| CN115246952A (en) * | 2021-12-10 | 2022-10-28 | 浙江理工大学 | Cellulose nanofiber/MXene composite aerogel material and preparation method thereof |
| CN115591534A (en) * | 2022-10-28 | 2023-01-13 | 重庆大学（Cn） | Preparation method and application of MXene-based aerogel for adsorbing vanadium ions |
| CN115649650A (en) * | 2022-09-27 | 2023-01-31 | 天津科技大学 | Super-elastic intelligent packaging buffer material with pressure monitoring function and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753388A (en) * | 2009-04-27 | 2016-07-13 | 卡博特公司 | Aerogel compositions and methods of making and using them |
| CN106747540A (en) * | 2016-12-05 | 2017-05-31 | 山东鲁阳节能材料股份有限公司 | A kind of preparation method of aeroge fibrous composite |
| CN106928908A (en) * | 2017-02-19 | 2017-07-07 | 广州市芯检康生物科技有限公司 | A kind of new aeroge multifunctional material and preparation method thereof |
-
2018
- 2018-08-31 CN CN201811006681.7A patent/CN109679146A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753388A (en) * | 2009-04-27 | 2016-07-13 | 卡博特公司 | Aerogel compositions and methods of making and using them |
| CN106747540A (en) * | 2016-12-05 | 2017-05-31 | 山东鲁阳节能材料股份有限公司 | A kind of preparation method of aeroge fibrous composite |
| CN106928908A (en) * | 2017-02-19 | 2017-07-07 | 广州市芯检康生物科技有限公司 | A kind of new aeroge multifunctional material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| YUE JIANG 等: "Hierarchically structured cellulose aerogels with interconnected MXene networks and their enhanced microwave absorption properties", 《JOURNAL OF MATERIALS CHEMISTRY C》 * |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172185A (en) * | 2019-05-08 | 2019-08-27 | 南京林业大学 | A kind of anisotropy nano-cellulose aerogel and preparation method thereof and device |
| CN111952537B (en) * | 2019-05-17 | 2021-09-28 | 华中农业大学 | Cellulose and transition metal carbon/nitride composite three-dimensional current collector and preparation method and application thereof |
| CN111952537A (en) * | 2019-05-17 | 2020-11-17 | 华中农业大学 | Cellulose and transition metal carbon/nitride composite three-dimensional current collector and preparation method and application thereof |
| CN110142011A (en) * | 2019-07-05 | 2019-08-20 | 北华航天工业学院 | A kind of preparation method of structurally ordered fluorine nitrogen-doped graphene aeroge |
| CN112537773A (en) * | 2019-09-20 | 2021-03-23 | 浙江工业大学 | Method for vertically growing MXene on conductive substrate |
| CN112537773B (en) * | 2019-09-20 | 2022-07-22 | 浙江工业大学 | Method for vertically growing MXene on conductive substrate |
| CN111303449A (en) * | 2020-01-17 | 2020-06-19 | 华中科技大学 | Degradable electroactive bacterial cellulose/MXene composite hydrogel and preparation and application thereof |
| CN111303449B (en) * | 2020-01-17 | 2021-10-08 | 华中科技大学 | Degradable electroactive bacterial cellulose/MXene composite hydrogel and preparation and application thereof |
| CN111282522A (en) * | 2020-02-10 | 2020-06-16 | 四川大学 | Metal organic framework composite aerogel material and preparation method and application thereof |
| CN111617309A (en) * | 2020-05-08 | 2020-09-04 | 北京化工大学常州先进材料研究院 | Antibacterial hemostatic sponge and preparation method thereof |
| CN112086294A (en) * | 2020-09-17 | 2020-12-15 | 方金丹 | Foam metal/MXene/NFC electrode material for supercapacitor and preparation method thereof |
| CN112233914B (en) * | 2020-10-15 | 2022-01-18 | 哈尔滨工业大学 | Preparation method and application of micronized cellulose/MXene composite film |
| CN112911920A (en) * | 2021-02-08 | 2021-06-04 | 西安理工大学 | Preparation method of MXene-carbon aerogel/TPU composite material |
| CN112911920B (en) * | 2021-02-08 | 2022-09-02 | 浙江环龙新材料科技有限公司 | Preparation method of MXene-carbon aerogel/TPU composite material |
| CN113101877A (en) * | 2021-04-06 | 2021-07-13 | 南京林业大学 | Preparation method of MXene-based composite aerogel |
| CN113185193A (en) * | 2021-04-07 | 2021-07-30 | 东南大学 | MXene composite fiber reinforced graphene aerogel wave-absorbing material and preparation method thereof |
| CN113354861A (en) * | 2021-05-25 | 2021-09-07 | 同济大学 | Universal method for preparing functional nano material/cellulose composite aerogel by using paper folding principle |
| CN113354861B (en) * | 2021-05-25 | 2022-07-22 | 同济大学 | Universal method for preparing functional nano material/cellulose composite aerogel by using paper folding principle |
| CN113603935A (en) * | 2021-06-25 | 2021-11-05 | 浙江大学 | Composite aerogel with Janus characteristics and preparation method and application thereof |
| WO2022267258A1 (en) * | 2021-06-25 | 2022-12-29 | 浙江大学 | Composite aerogel with janus characteristic, preparation method therefor and use thereof |
| CN113645820A (en) * | 2021-07-12 | 2021-11-12 | 西安理工大学 | Preparation method of MXene-CNT/carbon aerogel composite material |
| CN113645820B (en) * | 2021-07-12 | 2023-12-26 | 西安理工大学 | Preparation method of MXene-CNT/carbon aerogel composite material |
| CN113718371A (en) * | 2021-09-24 | 2021-11-30 | 中国科学院苏州纳米技术与纳米仿生研究所 | MXene aerogel fiber, preparation method and application thereof |
| CN114053988A (en) * | 2021-09-29 | 2022-02-18 | 山东农业大学 | Preparation method and application of MXene composite aerogel material |
| CN115246952A (en) * | 2021-12-10 | 2022-10-28 | 浙江理工大学 | Cellulose nanofiber/MXene composite aerogel material and preparation method thereof |
| CN114288953A (en) * | 2021-12-15 | 2022-04-08 | 同济大学 | Preparation method and application of super-hydrophobic MXene-based/cellulose composite aerogel |
| CN114288953B (en) * | 2021-12-15 | 2022-10-25 | 同济大学 | Preparation method and application of super-hydrophobic MXene-based/cellulose composite aerogel |
| CN114349002A (en) * | 2021-12-16 | 2022-04-15 | 西安理工大学 | Preparation method of cellulose aerogel-MXene porous carbon electrode material |
| CN114804108A (en) * | 2022-02-25 | 2022-07-29 | 西安理工大学 | N, S preparation method of co-doped MXene/cellulose derived carbon aerogel |
| CN114804108B (en) * | 2022-02-25 | 2023-09-15 | 西安理工大学 | Preparation method of N, S co-doped MXene/cellulose derived carbon aerogel |
| CN114605708A (en) * | 2022-03-21 | 2022-06-10 | 上海理工大学 | Preparation method of MXene nano-cellulose carbon nano-tube composite material |
| CN114773684A (en) * | 2022-04-06 | 2022-07-22 | 山东大学 | Chemically crosslinked cellulose-based composite foam and preparation method and application thereof |
| CN114805941A (en) * | 2022-05-09 | 2022-07-29 | 东南大学 | Directional heat-conducting porous radiation refrigeration film material and preparation method thereof |
| CN115649650A (en) * | 2022-09-27 | 2023-01-31 | 天津科技大学 | Super-elastic intelligent packaging buffer material with pressure monitoring function and preparation method thereof |
| CN115591534A (en) * | 2022-10-28 | 2023-01-13 | 重庆大学（Cn） | Preparation method and application of MXene-based aerogel for adsorbing vanadium ions |
| CN115591534B (en) * | 2022-10-28 | 2023-10-27 | 重庆大学 | Preparation method and application of MXene-based aerogel for adsorbing vanadium ions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109679146A (en) | A kind of preparation method of MXene/ cellulose composite aerogel | |
| Chen et al. | Porous aerogel and sponge composites: Assisted by novel nanomaterials for electromagnetic interference shielding | |
| CN109704296B (en) | Flexible boron nitride nanobelt aerogel and preparation method thereof | |
| CN103537236B (en) | A kind of preparation method of graphene aerogel | |
| Li et al. | CVD carbon-coated carbonized loofah sponge loaded with a directionally arrayed MXene aerogel for electromagnetic interference shielding | |
| CN103285920B (en) | Three-dimensional fiber-based aerogel catalyst carrier and preparation method thereof | |
| KR102203001B1 (en) | Porous Structure-based Graphene Foam and Method of Preparing the Same | |
| CN112194819B (en) | Preparation method of graphene nanosheet/cellulose aerogel composite material | |
| TW201824617A (en) | Anode slurry for secondary battery | |
| CN112409983B (en) | Electromagnetic wave absorber based on 2-methylimidazole cobalt derivative cobalt and carbon nanotube composite and preparation method thereof | |
| CN108441166A (en) | A kind of lithium silicon aluminum micro-crystal glass/silicon carbide/carbon fiber tri compound absorbing material and preparation method thereof | |
| CN114715897A (en) | Size-adjustable SiC @ C mesoporous hollow sphere and preparation method and application thereof | |
| CN113462357A (en) | Wave-absorbing particles and preparation method and application of composite material thereof | |
| US11374213B2 (en) | Carbon aerogel-based cathodes for lithium-sulfur batteries | |
| CN114605708B (en) | Preparation method of MXene nanocellulose carbon nanotube composite material | |
| CN112265982A (en) | Preparation method of N-doped graphene/graphene nanoribbon composite aerogel | |
| CN113929964A (en) | Preparation method of 5G waveband aerogel and polymer interpenetrating wave-absorbing material | |
| US20240128455A1 (en) | Fibrillar carbon-silicon composite materials and methods of manufacture thereof | |
| CN109721060B (en) | Powder falling prevention silicon dioxide composite aerogel and preparation method thereof | |
| CN116218212A (en) | Aramid nanofiber wave-absorbing honeycomb material and preparation method thereof | |
| CN109293939B (en) | Preparation method of ZIF-67 with hierarchical pore structure and preparation method of honeycomb-like carbon/cobalt wave-absorbing material | |
| CN113386412A (en) | Graphene/carbon nanotube aerogel electromagnetic shielding composite fabric and preparation method and application thereof | |
| CN116216718A (en) | graphene/MXene composite aerogel material and preparation method thereof | |
| CN114805941B (en) | Directional heat conduction porous radiation refrigeration film material and preparation method thereof | |
| CN111017902A (en) | Preparation method of three-dimensional continuous porous carbon material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |