CN110127670A - A kind of graphene three-dimensional structure aeroge hydrophobic material - Google Patents
A kind of graphene three-dimensional structure aeroge hydrophobic material Download PDFInfo
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- CN110127670A CN110127670A CN201910428465.XA CN201910428465A CN110127670A CN 110127670 A CN110127670 A CN 110127670A CN 201910428465 A CN201910428465 A CN 201910428465A CN 110127670 A CN110127670 A CN 110127670A
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- 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
- C01B32/184—Preparation
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- 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
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- 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
- C01B2204/22—Electronic properties
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Abstract
The invention discloses a kind of graphene three-dimensional structure aeroge hydrophobic materials, graphene three-dimensional structure aeroge hydrophobic material is by preparing the graphene/graphene oxide of favorable dispersibility-hydrazine hydrate mixed organic solvents, melamine foam material is immersed in graphene/graphene oxide-hydrazine hydrate organic solvent, by sufficiently infiltrating, heating reduction, indigenous graphite alkene is compounded on melamine foamed plastic, and etching off foam framework prepares the graphene aerogel hydrophobic material for having three-dimensional structure in turn.Super-hydrophobic material can be obtained in the present invention, preparation process is simple, prepares raw material and is easy to get, and preparation efficiency is high, and the hydrophobicity for the graphene three-dimensional structure aeroge hydrophobic material prepared is greatly improved.
Description
Technical field
The invention patent relates to aeroge fields, and in particular to a kind of graphene three-dimensional structure aeroge hydrophobic material.
Technical background
Graphene is a kind of sheet two-dimensional material of only one atomic layer level thickness, and graphene is also presently found most thin
Two-dimensional material.The carbon atom of sp2 hydridization is taken in the lattice of graphene comprising six, lattice structure is similar with phenyl ring puts down
Face regular hexagon structure.The special lattice structure of graphene imparts the outstanding electricity of graphite, calorifics and mechanical performance.Graphene
Conductivity be 104S/m, carrier mobility rate are up to 15000cm2·V·s-1.Graphene has good heating conduction,
Its heat conduction rate is up to 5000Wm-1·K-1Graphene has outstanding mechanical performance, and intensity is that 130GPa is steel
100 times.In addition, graphene also has very high theoretical specific surface area, theoretical specific surface area is up to 2630m2·g-1Graphite
These excellent properties of alkene make it rapidly become worldwide research hotspot.
Grapheme material is answered in electronic device, composite material of shape memory, electromagnetic-wave absorbent, the fields such as sewage treatment
With good performance is all shown, the graphene aerogel for preparing three-dimensional structure can not only expand grapheme material significantly
Application range is extended to macroscopic arts, and can greatly improve grapheme material in the service performance in above-mentioned field, because
This, graphene three-dimensional structure aeroge has broad application prospects.Therefore with regard to how to improve dredging for graphene aerogel material
Aqueous is also a current problem urgently to be solved.
A kind of preparation method of hydrophobicity konjac glucomannan aeroge of the Chinese patent application of Patent No. CN106928485A,
The invention belongs to aeroge preparation technical field, is related to a kind of preparation method of super-elasticity graphene aerogel, will restore in right amount
Agent is added in graphene oxide dispersion, with block of polymeric foam adsorption and oxidation graphene dispersing solution, and foam block oil bath is added
Heat restores graphene oxide, then by freeze-drying then foam of polymers is removed to sample drying by high-temperature heat treatment
Fall to obtain graphene aerogel, regulates and controls the shape of final graphene aerogel by designing the shape of foam of polymers, without
With the preparation process as other graphene aerogels, by the shape of change container to regulate and control its shape, therefore drop significantly
The low preparation cost of graphene aerogel, and the graphene aerogel of complicated shape can be prepared.
A kind of polymer/graphene aeroge composite foam material of the Chinese patent application of Patent No. CN108250728A
Material and preparation method thereof, a kind of polymer/graphene aeroge composite foam material are polymerize by graphene aerogel and thermoplasticity
Object composition, using graphene aerogel as skeleton, thermoplastic polymer is attached on the three-dimensional net structure of graphene aerogel, heat
With the abscess of hole-closing structure on thermoplastic polymer, for the composite foam material with interconnected three-dimensional net structure, this is multiple
The content for closing graphene aerogel in foamed material is 0.5%~10%.The invention additionally provides the system of the composite foam material
Preparation Method.There are agglomeration traits for solution graphene in polymeric matrix material and provides a kind of new approaches in the invention.
A kind of preparation method of super-elasticity graphene aerogel of the Chinese patent application of Patent No. CN106809822A,
The invention belongs to aeroge preparation technical field, is related to a kind of preparation method of super-elasticity graphene aerogel, will restore in right amount
Agent is added in graphene oxide dispersion, with block of polymeric foam adsorption and oxidation graphene dispersing solution, and foam block oil bath is added
Heat restores graphene oxide, then by freeze-drying then foam of polymers is removed to sample drying by high-temperature heat treatment
Fall to obtain graphene aerogel, regulates and controls the shape of final graphene aerogel by designing the shape of foam of polymers, without
With the preparation process as other graphene aerogels, by the shape of change container to regulate and control its shape, therefore drop significantly
The low preparation cost of graphene aerogel, and the graphene aerogel of complicated shape can be prepared, this method preparation process
Simply, design concept is ingenious, prepares raw material and is easy to get, and preparation efficiency is high, and the graphene aerogel prepared has excellent electricity
Chemical property, application environment is friendly, wide market.
A kind of Chinese patent application of the Patent No. CN108342187A high thermal conductivity graphene aerogel of controlled shape
Composite phase-change material and preparation method, the material feedstock include graphene aerogel, graphene and organic phase change material.The shape
The controllable graphene aerogel of shape is made by ethylenediamine and gelatine reduction graphite oxide, and in mass ratio 49~99: 1 by organic phase-change
Material is mixed with graphene, and in mass ratio 9~19: 1 mixes organic phase change material with graphene aerogel, passes through physical absorption
Method obtains graphene aerogel composite phase-change material.The feature of graphene aerogel composite phase-change material maximum prepared by the present invention
It is the graphene aerogel of various shapes can be prepared according to different grinding tools, and the aeroge has high thermal conductivity, low supercooling, preparation side
Just, the advantages such as mechanical property is good.
Such as above-mentioned several patents, the relevant technical products in this field are disclosed, but how to improve graphene three-dimensional structure
The hydrophobic problem of aerogel material is that technical problems to be solved are badly in need of in this field.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of hydrophobic materials of graphene three-dimensional structure aeroge
Material.
In order to solve the above-mentioned technical problem, used technical solution is: a kind of graphene three-dimensional structure aeroge is hydrophobic
Material, it is characterised in that the graphene three-dimensional structure aeroge hydrophobic material is the graphite by preparing favorable dispersibility
Melamine foam material is immersed in graphene/graphene oxide-water by alkene/graphene oxide-hydrazine hydrate mixed organic solvents
In the organic solvent for closing hydrazine, by sufficiently infiltrating, heating reduction, indigenous graphite alkene is compounded on melamine foamed plastic, etching off bubble
Foam skeleton and then preparation have the graphene aerogel hydrophobic material of three-dimensional structure.
Further, the graphene/graphene oxide-hydrazine hydrate mixed organic solvents are sufficiently stirred using ultrasonic method
Mix dispersion.
Further, the melamine foamed plastic impregnation process squeezes melamine foamed plastic repeatedly in mixed solution
Then pressure 10~20 times places the beaker room temperature in vacuum drying oven and vacuumizes 15~30min, removes the gas in melamine foamed plastic
Bubble sufficiently infiltrates graphene/graphene oxide solution.
Further, the heating reduction process is to be put into melamine foamed plastic of the infiltration into mixed solution very
The heating reduction treatment of 5~10h is carried out in empty baking oven, heating and thermal insulation temperature is 80 DEG C~100 DEG C.
Advantage for present invention: (1) material has excellent hydrophobicity.(2) have preparation process simple, production
It is high-efficient.(3) have electric conductivity, expand the application range of hydrophobic material.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalences of the invention
It is as defined in the appended claims that the modification of form falls within the application.
Embodiment
A kind of graphene three-dimensional structure aeroge hydrophobic material, it is characterised in that the graphene three-dimensional structure aeroge
Hydrophobic material is by preparing the graphene/graphene oxide of favorable dispersibility-hydrazine hydrate mixed organic solvents, by melamine
Foamed material is immersed in graphene/graphene oxide-hydrazine hydrate organic solvent, and by sufficiently infiltrating, heating reduction is precipitated
Graphene is compounded on melamine foamed plastic, and etching off foam framework prepares the graphene aerogel for having three-dimensional structure in turn and dredges
Water material.
Further, the graphene/graphene oxide-hydrazine hydrate mixed organic solvents are sufficiently stirred using ultrasonic method
Mix dispersion.
Further, the melamine foamed plastic impregnation process squeezes melamine foamed plastic repeatedly in mixed solution
Then pressure 15 times places the beaker room temperature in vacuum drying oven and vacuumizes 15min, removes the bubble in melamine foamed plastic, sufficiently
Infiltrate graphene/graphene oxide solution.
Further, the heating reduction process is to be put into melamine foamed plastic of the infiltration into mixed solution very
The heating reduction treatment of 5~10h is carried out in empty baking oven, heating and thermal insulation temperature is 90 DEG C.
It above are only the specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention with this design, should belong to the behavior for invading the scope of protection of the invention.But it is all
Without departing from the content of technical solution of the present invention, according to the technical essence of the invention any type of letter to the above embodiments
Single modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (4)
1. a kind of graphene three-dimensional structure aeroge hydrophobic material, it is characterised in that the graphene three-dimensional structure aeroge is dredged
Water material is to be steeped melamine by preparing the graphene/graphene oxide of favorable dispersibility-hydrazine hydrate mixed organic solvents
Foam material is immersed in graphene/graphene oxide-hydrazine hydrate organic solvent, and by sufficiently infiltrating, stone is precipitated in heating reduction
Black alkene is compounded on melamine foamed plastic, etching off foam framework so that prepare have three-dimensional structure graphene aerogel it is hydrophobic
Material.
2. a kind of graphene three-dimensional structure aeroge hydrophobic material according to claim 1, it is characterised in that the stone
Black alkene/graphene oxide-hydrazine hydrate mixed organic solvents, are sufficiently stirred dispersion using ultrasonic method.
3. a kind of graphene three-dimensional structure aeroge hydrophobic material according to claim 1, it is characterised in that described three
Poly cyanamid foam impregnation process, melamine foamed plastic is repeatedly extruded 10~20 times in mixed solution, is then placed the beaker
Room temperature vacuumizes 15~30min in vacuum drying oven, removes the bubble in melamine foamed plastic, sufficiently infiltration graphene/oxidation stone
Black alkene solution.
4. a kind of graphene three-dimensional structure aeroge hydrophobic material according to claim 1, it is characterised in that described adds
Thermal reduction process is that melamine foamed plastic of the infiltration into mixed solution is put into vacuum drying oven to carry out the heating of 5~10h also
Original place reason, heating and thermal insulation temperature are 80 DEG C~100 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910428465.XA CN110127670A (en) | 2019-05-16 | 2019-05-16 | A kind of graphene three-dimensional structure aeroge hydrophobic material |
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| CN201910428465.XA CN110127670A (en) | 2019-05-16 | 2019-05-16 | A kind of graphene three-dimensional structure aeroge hydrophobic material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451493A (en) * | 2019-09-02 | 2019-11-15 | 内蒙古农业大学 | A kind of graphene aerogel and its preparation method and application |
| CN112980394A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Multifunctional carbon-based shaped composite phase-change material, preparation and application |
| CN115282925A (en) * | 2022-07-15 | 2022-11-04 | 山东第一医科大学(山东省医学科学院) | Three-dimensional graphene/clay composite aerogel for water treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000366A (en) * | 2016-05-25 | 2016-10-12 | 江苏科技大学 | Graphene-melamine foam aerogel and preparation method thereof |
| CN106809822A (en) * | 2017-01-22 | 2017-06-09 | 戴天元 | A kind of preparation method of super-elasticity graphene aerogel |
| CN108250728A (en) * | 2018-03-09 | 2018-07-06 | 四川大学 | A kind of polymer/graphene aeroge composite foam material and preparation method thereof |
-
2019
- 2019-05-16 CN CN201910428465.XA patent/CN110127670A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000366A (en) * | 2016-05-25 | 2016-10-12 | 江苏科技大学 | Graphene-melamine foam aerogel and preparation method thereof |
| CN106809822A (en) * | 2017-01-22 | 2017-06-09 | 戴天元 | A kind of preparation method of super-elasticity graphene aerogel |
| CN108250728A (en) * | 2018-03-09 | 2018-07-06 | 四川大学 | A kind of polymer/graphene aeroge composite foam material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451493A (en) * | 2019-09-02 | 2019-11-15 | 内蒙古农业大学 | A kind of graphene aerogel and its preparation method and application |
| CN110451493B (en) * | 2019-09-02 | 2021-10-22 | 内蒙古农业大学 | Graphene aerogel and preparation method and application thereof |
| CN112980394A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Multifunctional carbon-based shaped composite phase-change material, preparation and application |
| CN112980394B (en) * | 2019-12-13 | 2022-02-11 | 中国科学院大连化学物理研究所 | Multifunctional carbon-based shaped composite phase-change material, preparation and application |
| CN115282925A (en) * | 2022-07-15 | 2022-11-04 | 山东第一医科大学(山东省医学科学院) | Three-dimensional graphene/clay composite aerogel for water treatment |
| CN115282925B (en) * | 2022-07-15 | 2023-08-22 | 山东第一医科大学(山东省医学科学院) | Three-dimensional graphene/clay composite aerogel for water treatment |
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