CN106592203A - Graphene conductive fabric, preparation method and application thereof - Google Patents
Graphene conductive fabric, preparation method and application thereof Download PDFInfo
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- CN106592203A CN106592203A CN201611196826.5A CN201611196826A CN106592203A CN 106592203 A CN106592203 A CN 106592203A CN 201611196826 A CN201611196826 A CN 201611196826A CN 106592203 A CN106592203 A CN 106592203A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses graphene conductive fabric, a preparation method and application thereof, and relates to the technical field of graphene composite material. The graphene conductive fabric is compounded from graphene sheets and a fiber matrix, and the graphene sheets are embedded into the fiber matrix to form a continuous graphene conductive network. The preparation method of the graphene conductive fabric comprises the steps: immersing fabric after swelling into graphene slurry for thorough mixing, taking out the fabric and drying the fabric to obtain the graphene conductive fabric; or, immersing fibers after swelling into graphene slurry for thorough mixing, taking out the fibers and drying the fibers to obtain the graphene electrically conductive fibers, and then weaving or blending the graphene electrically conductive fibers to obtain the graphene conductive fabric. The graphene conductive fabric solves the technical problems of poor uniformity of conduction and poor combination between a conductive layer and the matrix of the tradition conductive fabric. In the graphene conductive fabric prepared by the method disclosed by the invention, the graphene can be embedded fast into the fiber matrix, the combination between the conductive material and the matrix is greatly improved, and the conductivity of the conductive fabric is unaffected after the fabric is rubbed, kneaded and bent.
Description
Technical field
The present invention relates to graphene composite material technical field, in particular to a kind of graphene conductive cloth, preparation side
Method and application thereof.
Background technology
Conductive arranging fingers to feel pulse has the cloth of electric conductivity, typically by conductive fiber and general fibre blending, or in nylon or
Dacron fabric surface deposition conductive layer is obtained.Conductive fabric had the more outstanding electric conductivity of conductive fiber or conductive layer concurrently with
And the pliability that fabric is fabulous, obtain at aspects such as flexible electric heating material, flexible electromagnetic shielding material, flexible absorbing materials
It is widely applied.But at present still there are some obvious shortcomings in the structure of conductive fabric：For conductive fiber and general fibre are mixed
The conductive fabric that spinning is obtained, its conductive network can not be overlapped completely, and the uniform property of resistance is not good；And lead for fabric face is covered
The conductive fabric that electric layer is prepared, the conductive layer on its surface is connected not very firmly with the structure on fabric fibre surface, friction,
The mechanical process such as rubbing, bend may cause conductive layer to peel off, and affect the conductive characteristic of conductive fabric.
For the preparation method of conductive fabric, mainly have at present following several：
1st, by the metallic fibers such as silver, copper, steel or carbon fiber and other fabric fibre blending, it is made into certain electric conductivity
Cloth；
2nd, using the method (also known as wet method) of chemical plating, by the electrochemical reaction of aqueous solution, by metal or carbon by electricity
The mode of plating is deposited on design on fabric surface, forms the effect that conductive layer reaches conduction；
3rd, first metal level is plated on fabric using the method for vacuum magnetic-control sputtering, then reusing the means of plating increases
The thickness of metal level, improves its electric conductivity.
It can be seen from above-mentioned three kinds of methods, conductive fabric common at present mainly has the following two kinds structure：1st, conductive fiber with
The compound blending structure of ordinary textile fibers, conductive fiber realizes conducting function；2nd, ordinary textile fibers are knitted to form conductive fabric
Skeleton, conductive layer is attached to fabric fibre skeleton surface, forms continuous conductive layer, realizes conducting function.
Conductive fabric resistance homogeneity prepared by the first blended weave is poor, and conductive fiber can not be overlapped fully in conductive fabric
Continuous conductive network is formed, and needs to carry out textile process by special measure, it is impossible to directly on traditional textile equipment
Directly carry out.Second by electroplating in design on fabric surface, the magnetron sputtering or shortcoming of conductive fabric is obtained in conductive coating
Metal level or carbon-coating are poor in the tack of fabric face, associativity in conductive fabric, it is easy to peel off.Though by vacuum magnetic-control sputtering
The tack of conductive layer can be so improved, but preparation cost can be greatly increased therewith.These shortcomings limit the application of conductive fabric.
In view of this, it is special to propose the present invention.
The content of the invention
An object of the present invention is to provide a kind of graphene conductive cloth, with Graphene in the graphene conductive cloth structure
Used as conductive material, conductive structure graphene sheet layer is embedded in fibrous matrix, to form continuous conduction network, this structure
Adhesive force is good, and wearability is good, even if rubbing also do not interfere with its conductive characteristic.
The second object of the present invention is to provide a kind of preparation method of the graphene conductive cloth, including two ways：
One of mode is, with cloth as raw material, by Graphene liquid phase method modification, to obtain graphene conductive cloth；The two of mode be with
Naturally occurring or synthetic fiber is raw material, by Graphene liquid phase method modification, first obtains graphene conductive fiber, then through braiding
Or blending, obtain graphene conductive cloth.The preparation method of graphene conductive cloth is simple efficiently, can prepare in a large number, and controllability is good.
The third object of the present invention is to provide a kind of graphene conductive cloth in anti-static material, thermo electric material or electricity
Application in magnetic shielding material.
In order to realize the above-mentioned purpose of the present invention, spy employs the following technical solutions：
A kind of graphene conductive cloth, the graphene conductive cloth is composited by graphene sheet layer and fibrous matrix, the stone
Black alkene lamella is embedded in the fibrous matrix, and continuous graphene conductive network is formed in fibrous matrix.
Preferably, on the basis of the technical scheme that the present invention is provided, the square resistance of the graphene conductive cloth is 1K
Ω/□-100KΩ/□。
A kind of preparation method of above-mentioned graphene conductive cloth, by the swelling rear immersion Graphene slurry of cloth, makes Graphene
Slurry is sufficiently mixed with swelling cloth, takes out after cloth is dried and obtains graphene conductive cloth；Or,
By in the swelling rear immersion Graphene slurry of fiber, Graphene slurry is sufficiently mixed with swollen fiber, take out fiber
Graphene conductive fiber is obtained after drying, then the graphene conductive fiber Graphene is obtained and is led through braiding or blending
Electric cloth.
Preferably, on the basis of the technical scheme that the present invention is provided, the first preparation side of above-mentioned graphene conductive cloth
Method is comprised the following steps：
(1) cloth is swelling：Cloth is immersed in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion
Material；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and is stood, fully
Cloth is taken out after mixing and is dried to obtain graphene conductive cloth；
Step (1) and step (2) order interchangeable.
Preferably, on the basis of the technical scheme that the present invention is provided, the swelling time in step (1) is 5～60min；
And/or,
The concentration of the Graphene slurry of step (2) is 1～100mg/mL；The volume of water and DMF in the mixed liquor of water and DMF
Than for 1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3)；Drying temperature is 40～120 DEG C.
Preferably, on the basis of the technical scheme that the present invention is provided, the first preparation side of above-mentioned graphene conductive cloth
Method is comprised the following steps：
(1) cloth is swelling：Cloth is immersed into 5～60min in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote
Dispersion, 10～60min of ultrasound obtains Graphene slurry, wherein, the addition of Graphene is 1～100mg/mL, water and DMF
The volume ratio of water and DMF is 1 in mixed liquor:(1/3～5)；
(3) mix：By the swelling cloth that step (1) is obtained be put in the Graphene slurry that step (2) is obtained stand 10～
120min, takes out cloth after being sufficiently mixed, graphene conductive cloth is dried to obtain at 40～120 DEG C；
Step (1) and step (2) order interchangeable.
Preferably, on the basis of the technical scheme that the present invention is provided, second preparation side of above-mentioned graphene conductive cloth
The preparation method of graphene conductive fiber is comprised the following steps in method：
(1 ') fiber is swelling：Fiber is immersed in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion
Material；
(3 ') mix：The swollen fiber that step (1 ') is obtained is put in the Graphene slurry that step (2 ') is obtained and is stood,
Fiber drying is taken out after being sufficiently mixed and obtains graphene conductive fiber；
Step (1 ') and step (2 ') order interchangeable.
Preferably, on the basis of the technical scheme that the present invention is provided, the swelling time in step (1 ') is 5～60min；
And/or,
The concentration of the Graphene slurry of step (2 ') is 1～100mg/mL；The body of water and DMF in the mixed liquor of water and DMF
Product is than being 1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3 ')；Baking temperature is 40～120 DEG C.
Preferably, on the basis of the technical scheme that the present invention is provided, second preparation side of above-mentioned graphene conductive cloth
Method is comprised the following steps：
(1 ') fiber is swelling：Fiber is immersed into 5～60min in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote
Enter dispersion, 10～60min of ultrasound obtains Graphene slurry, wherein, the addition of Graphene is 1～100mg/mL, water and DMF
Mixed liquor in water and DMF volume ratio be 1:(1/3～5)；
(3 ') mix：The swollen fiber that step (1 ') is obtained is put in the Graphene slurry that step (2 ') is obtained and stands 10
～120min, takes out fiber after being sufficiently mixed, graphene conductive fiber is dried to obtain at 40～120 DEG C；
The graphene conductive fiber through braiding or blending, is obtained graphene conductive cloth by (4 ')；
Step (1 ') and step (2 ') order interchangeable.
A kind of application of above-mentioned graphene conductive cloth in anti-static material, thermo electric material or electromagnetic shielding material.
Compared with the prior art, the present invention has the advantages that：
(1) traditional cloths are that fiber is formed by certain way braiding, compare current conductive fabric, and Graphene of the present invention is led
Electric cloth in graphene sheet layer embedded fiber matrix, forms continuous graphene conductive network in fibrous matrix in structure, makes
Fiber has certain electric conductivity, and this structure is completely embedded in fibrous matrix due to Graphene so that conductive fabric conductive layer
Tack is strong, and wearability is good, even if being also unlikely to be peel off by the mechanical process such as rub, rub, bend, does not affect its conduction spy
Property；
(2) all fibres in graphene conductive cloth of the invention can provide conductive channel, and resistance homogeneity is good；To stone
Black alkene conductive fabric is bent, rubbing test, and result of the test shows, Jing after cripping test, square resistance becomes graphene conductive cloth
Rate<10%；Graphene conductive cloth Jing after rubbing test, square resistance rate of change<20%；
(3) preparation method of graphene conductive cloth of the invention passes through Graphene liquid phase method modification, in making cloth
Embedded graphene sheet layer is able in the solvent exchange of Graphene slurry after fiber is swelling, is able to from formation in fibrous matrix
Continuous graphene conductive network, preparation method is simply efficient, can prepare in a large number, and controllability is good.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the appearing diagram of the graphene conductive cloth that embodiment 1 is obtained.
((a) is to adopt to the graphene conductive cloth surface fibre microstructure comparison diagram that Fig. 2 is obtained for embodiment 1 and comparative example 1
With the cloth surface fibre micro-structure diagram of embodiment 1；B () is that the graphene conductive cloth surface fibre that comparative example 1 is obtained is micro-
Structure chart)；C () is the graphene conductive cloth surface fibre micro-structure diagram that embodiment 1 is obtained).
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted concrete in embodiment
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, are
The conventional products that commercially available purchase is obtained can be passed through.
According to an aspect of the invention, there is provided a kind of graphene conductive cloth, the graphene conductive cloth is by graphene film
Layer and fibrous matrix are composited, and in graphene sheet layer embedded fiber matrix, continuous Graphene is formed in fibrous matrix and is led
Electric network.
Traditional conductive fabric typically passes through plating mode by metal or carbon laydown in design on fabric surface, and formation conductive layer reaches leads
The effect of electricity, but the conductive fabric conductive layer that this kind of mode is obtained is only attached to design on fabric surface, and tack is poor, easily peels off；And
By the way that metallic fiber or carbon fiber is poor with the conductive fabric resistance homogeneity that other fabric fibre blending are obtained.
The structure of the graphene conductive cloth of the present invention is very similar with common cloth, i.e., fiber is (including natural fiber or synthesis
Fiber) formed by certain way braiding.Graphene sheet layer is completely embedded into fiber base by the present invention with Graphene as conductive layer
In body, and whole fibrous matrixes of cloth can be evenly embedded into graphene sheet layer, and all fibres can provide conductive logical
Road, forms continuous conductive network so that all fibres are respectively provided with certain electric conductivity, and such structure makes conductive fabric resistance uniform
Property is good, and conductive layer adhesive force is good, wear-resisting, even if rubbing, bending and also do not interfere with its electric conductivity.
In a preferred embodiment, the square resistance of graphene conductive cloth is 1K Ω/ -100K Ω/.
Electric conductivity refers to the ability that thin film (cloth) conducts electric current, and it is characterized with square resistance.Square resistance is again
Claim membrane resistance, be the thermal infrared performance for characterizing the vacuum coating on the samples such as pellicle film, coating film on glass film layer indirectly
Measured value, the numerical values recited can directly be scaled thermal infrared radiation rate.The size of square resistance is unrelated with sample size, its unit
For Siements/sq, ohm/sq (Ω/) characteristic manner is increased afterwards, the unit is directly translated as square resistance or face electricity
Resistance, for film layer measurement film layer resistance is also called.Square resistance is bigger, and electric conductivity is poorer.
The square resistance of the graphene conductive cloth of the present invention is stable in 1K Ω/ -100K Ω/.Through test, Graphene
Conductive fabric Jing cripping tests, square resistance rate of change<10%；Graphene conductive cloth Jing rubbing tests, square resistance rate of change<
20%.
According to the second aspect of the invention, there is provided a kind of preparation method of above-mentioned graphene conductive cloth, the method will
After cloth is swelling in immersion Graphene slurry, Graphene slurry is sufficiently mixed with swelling cloth, take out after cloth is dried and obtain
Graphene conductive cloth；Or,
By in the swelling rear immersion Graphene slurry of fiber, Graphene slurry is sufficiently mixed with swollen fiber, take out fiber
Graphene conductive fiber is obtained after drying, by the graphene conductive fiber through braiding or blending, graphene conductive cloth is obtained.
Obtaining the method for graphene conductive cloth has two kinds, and one is with cloth as raw material, through the modified place of Graphene liquid phase method
Graphene conductive cloth is obtained after reason；Two is with naturally occurring or synthetic fiber as raw material, after Graphene liquid phase method modification first
Graphene conductive fiber is obtained, then graphene conductive fibrage, blending are obtained into graphene conductive cloth.Both approaches all may be used
To realize that graphene sheet layer is embedded in fibrous matrix so that graphene conductive layer forms complete conduction in fibrous matrix
Network.
" Graphene liquid phase method modification " is referred to and for Graphene to be prepared into Graphene slurry, by the cloth after process or
Fiber is immersed the process that process is modified to it.
It is to make cloth or fiber swelling to the processing mode of cloth or fiber.
Swelling purpose is that the space structure for making fiber is fully unfolded, and Graphene slurry is occurred with swollen fiber molten
Agent is exchanged, i.e., Graphene slurry spreads in swelling fiber, and Graphene slurry replaces the solvent in swelling fiber,
Because Graphene slurry concentration is low in fiber, so Graphene slurry can just be diffused in fiber, graphene sheet layer is this
In embedded fiber and homogeneous conductive network is formed in the presence of driving force.Finally by cloth or fiber drying, solvent volatilization, fiber
Space structure be tightened so that graphene sheet layer stably be embedded in is fixed in fibrous matrix.
Preferred drying mode is drying.
The preparation method is simply efficient, can prepare in a large number, and controllability is good.
In a preferred embodiment, the first preparation method of above-mentioned graphene conductive cloth is comprised the following steps：
(1) cloth is swelling：Cloth is immersed in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion
Material；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and is stood, fully
Cloth is taken out after mixing and is dried to obtain graphene conductive cloth.
Step (1) and step (2) order interchangeable.
The fiber in cloth is carried out by using swelling solvent swelling.Swelling solvent includes that the swelling acid of fiber can be made
Liquid, alkali liquor or organic solvent.The selection of swelling solvent needs to select suitable acid solution, alkali liquor for the kinds of fibers of composition cloth
Or organic solvent.Typical but non-limiting swelling solvent includes adopting dimethylbenzene conduct for the main cloth containing spandex fibre
Swelling solvent, the mixed liquor (two that dimethylbenzene and DMF (N,N-dimethylformamide) are adopted for the main cloth containing acrylic fiber
Toluene：DMF volume ratios are 1:1) as swelling solvent, for the main cloth containing polyster fibre mass fraction is adopted for 10%
Sodium hydrate aqueous solution adopts the mixing of ethanol and dichloromethane as swelling solvent, for the main cloth containing vinylon fiber
Liquid (ethanol：Methylene chloride volume ratio is 1:1～3:1) as swelling solvent.The space structure of swelling rear fiber is fully relaxed
Exhibition.
The mixed liquor of water and DMF refers to water and DMF solvent with arbitrary volume than the mixed liquor that obtains after mixing.Using water and
The mixed liquor of DMF disperses in a solvent, to obtain stable and uniform in which can make graphene uniform as the solvent of Graphene slurry
Dispersion liquid, i.e. Graphene slurry.
In a preferred embodiment, the swelling time in step (1) is 5～60min；And/or,
The concentration of the Graphene slurry of step (2) is 1～100mg/mL；The volume of water and DMF in the mixed liquor of water and DMF
Than for 1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3)；Drying temperature is 40～120 DEG C.
Swollen fiber stands with Graphene slurry, is sufficiently mixed them, and both realize solvent exchange, i.e. graphene sheet layer
Under the driving of Concentraton gradient in embedded fiber network structure.
In step (1) the swelling typical but non-limiting time be 5min, 10min, 15min, 20min, 25min,
30min, 35min, 40min, 45min, 50min, 55min or 60min.
In step (3) typical but non-limiting time of repose be 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 100
DEG C, 110 DEG C or 120 DEG C.
In step (3) typical but non-limiting drying temperature be 10min, 20min, 30min, 40min, 50min,
60min, 70min, 80min, 90min, 100min, 110min or 120min.
In a preferred embodiment, step (2) is dispersed graphene in the mixed liquor of water and DMF, adds table
Face activating agent promotes dispersion, 10～60min of ultrasound to obtain Graphene slurry.
It is 0.05～10% that the addition of surfactant accounts for water and the percentage by weight of DMF mixed liquors；Surfactant
Selected from conventional surfactant.
Add surfactant and 10～60min of ultrasound to be provided to promote the dissolving and dispersion of Graphene, obtain
Even stable dispersion liquid so that Graphene can equably spread the fibre for being embedded into cloth after graphene dispersing solution mixes with cloth
In Wiki body.
The typical but non-limiting ultrasonic time of step (2) be 10min, 20min, 30min, 40min, 50min or
60min。
In a preferred embodiment, it is as a kind of preparation method of typical graphene conductive cloth including following
Step：
(1) cloth is swelling：Cloth is immersed into 5～60min in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote
Dispersion, 10～60min of ultrasound obtains Graphene slurry, wherein, the addition of Graphene is 1～100mg/mL, water and DMF
The volume ratio of water and DMF is 1 in mixed liquor:(1/3～5)；
(3) mix：By the swelling cloth that step (1) is obtained be put in the Graphene slurry that step (2) is obtained stand 10～
120min, takes out cloth after being sufficiently mixed, graphene conductive cloth is dried to obtain at 40～120 DEG C.
Step (1) and step (2) order interchangeable.
By graphene conductive cloth obtained in said method using Graphene as conductive layer, graphene sheet layer is uniformly and stably
In the fibrous matrix of embedded cloth, continuous conductive network is formed.
In a preferred embodiment, graphene conductive is fine in second preparation method of above-mentioned graphene conductive cloth
The preparation method of dimension is comprised the following steps：
(1 ') fiber is swelling：Fiber is immersed in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion
Material；
(3 ') mix：The swollen fiber that step (1 ') is obtained is put in the Graphene slurry that step (2 ') is obtained and is stood,
Fiber drying is taken out after being sufficiently mixed and obtains graphene conductive fiber；
Step (1 ') and step (2 ') order interchangeable.
Fiber is fine with the mixing that arbitrary proportion hybrid process is manufactured into including natural fiber, synthetic fibers or multiple fiber
Dimension.
When graphene conductive fiber is obtained, the processing method similar to graphene conductive cloth is adopted, with fiber as raw material,
Jing Graphene liquid phase method modifications, will fiber swelling (fibre space structure is unfolded) immerse in Graphene slurry afterwards, make stone
Black alkene slurry is sufficiently mixed with swollen fiber, and Graphene is embedded in swelling fibre structure when mixing stands, and takes after a period of time
Go out fiber drying (solvent volatilizees, and fibre space structure is tightened up) and obtain graphene conductive fiber.Drying mode is drying.
The employing of Graphene slurry is prepared in step (1 ') in swelling the adopted swelling solvent of fiber and step (2 ')
The selection mode of the mixed liquor of water and DMF is swelling with reference to step (1) in the preparation method of above-mentioned the first graphene conductive cloth
The selection mode of the mixed liquor of solvent and step (2) water and DMF.
In a preferred embodiment, the swelling time in step (1 ') is 5～60min；And/or,
The concentration of the Graphene slurry of step (2 ') is 1～100mg/mL；The body of water and DMF in the mixed liquor of water and DMF
Product is than being 1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3 ')；Baking temperature is 40～120 DEG C.
In a preferred embodiment, step (2 ') is dispersed graphene in the mixed liquor of water and DMF, adds table
Face activating agent promotes dispersion, 10～60min of ultrasound to obtain Graphene slurry.
Step (1 '), step (2 '), the parameter of step (3 ') refer to step (1), step (2), the parameter of step (3).
In a preferred embodiment, as the preparation method of another kind of typical graphene conductive cloth, including with
Lower step：
(1 ') fiber is swelling：Fiber is immersed into 5～60min in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote
Dispersion, 10～60min of ultrasound obtains Graphene slurry, wherein, the addition of Graphene is 1～100mg/mL, water and DMF
The volume ratio of water and DMF is 1 in mixed liquor:(1/3～5)；
(3 ') mix：The swollen fiber that step (1 ') is obtained is put in the Graphene slurry that step (2 ') is obtained and stands 10
～120min, takes out fiber after being sufficiently mixed, graphene conductive fiber is dried to obtain at 40～120 DEG C；
The graphene conductive fiber through braiding or blending, is obtained graphene conductive cloth by (4 ')；
Step (1 ') and step (2 ') order interchangeable.
When preparing graphene conductive cloth by above-mentioned second method, graphene conductive is first obtained according to the method described above fine
Dimension, in the graphene conductive graphite fiber alkene lamella embedded fiber for obtaining, forms continuous conductive network in fibrous matrix, makes
Obtain fiber and there is certain electric conductivity, and then graphene conductive cloth is obtained by techniques such as establishment or blending.
According to the third aspect of the present invention, there is provided a kind of above-mentioned graphene conductive cloth is in anti-static material, electric heating material
Application in material or electromagnetic shielding material.
In order to further appreciate that the structure and performance of the graphene conductive cloth that the present invention is obtained, with reference to specific embodiment
And comparative example the present invention will be further described in detail.
Embodiment 1～4 adopts the cloth of different kinds of fibers for raw material, and according to first method of the present invention Graphene is prepared
Conductive fabric, embodiment 5～8 adopts the fiber of corresponding species for raw material, and according to second method of the present invention graphene conductive is prepared
Cloth, comparative example 1～8 is adopted with the corresponding cloth of embodiment 1～8 or fiber as raw material, by Graphene direct impregnation to cloth or
Fiber surface, obtains graphene conductive cloth.
Embodiment 1
Select commercially available spandex fibre single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) cloth is swelling：The cloth is immersed at room temperature 10min in dimethylbenzene, makes the fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, the surface for adding 0.05% is lived
Property agent promote dispersion, ultrasonic 10min obtains Graphene slurry, wherein, the addition of Graphene is the mixed of 1mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 1:5；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 10min
After take out cloth, at 80 DEG C drying obtain graphene conductive cloth.
Embodiment 2
Select commercially available acrylic fiber single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) cloth is swelling：The cloth is immersed at room temperature dimethylbenzene and DMF mixed liquor (dimethylbenzene：DMF volume ratios are
1:1) 60min in, makes the fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 10% surface activity is added
Agent promotes dispersion, ultrasonic 60min to obtain Graphene slurry, wherein, the addition of Graphene is the mixed of 100mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 3:1；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and is stood
Cloth is taken out after 120min, the drying at 40 DEG C obtains graphene conductive cloth.
Embodiment 3
Select commercially available polyster fibre single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) cloth is swelling：The cloth is immersed into 20min in 10% sodium hydrate aqueous solution at 100 DEG C, in making cloth
Fiber is fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 1% surfactant is added
Dispersion, ultrasonic 30min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 50mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:1；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 60min
After take out cloth, at 120 DEG C drying obtain graphene conductive cloth.
Embodiment 4
Select commercially available vinylon fiber single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) cloth is swelling：The cloth is immersed at room temperature ethanol and dichloromethane mixed liquor (ethanol：Dichloromethane body
Product is than being 1:1) 30min in, makes the fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 5% surfactant is added
Dispersion, ultrasonic 20min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 40mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:3；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 80min
After take out cloth, at 85 DEG C drying obtain graphene conductive cloth.
Embodiment 5
Select commercially available spandex fibre to be raw material, prepare graphene conductive cloth：
(1) fiber is swelling：The fiber is immersed at room temperature 10min in dimethylbenzene, makes fiber fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, the surface for adding 0.05% is lived
Property agent promote dispersion, ultrasonic 10min obtains Graphene slurry, wherein, the addition of Graphene is the mixed of 1mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 1:5；
(3) mix：The swollen fiber that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 10min
After take out fiber, at 80 DEG C drying obtain graphene conductive fiber；
(4) graphene conductive fiber is obtained into graphene conductive cloth through weaving.
Embodiment 6
Select commercially available acrylic fiber to be raw material, prepare graphene conductive cloth：
(1) fiber is swelling：The fiber is immersed at room temperature dimethylbenzene and DMF mixed liquor (dimethylbenzene：DMF volume ratios are
1:1) 60min in, makes fiber fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 10% surface activity is added
Agent promotes dispersion, ultrasonic 60min to obtain Graphene slurry, wherein, the addition of Graphene is the mixed of 100mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 3:1；
(3) mix：The swollen fiber that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and is stood
Fiber is taken out after 120min, the drying at 40 DEG C obtains graphene conductive fiber；
(4) by graphene conductive fiber through blending, graphene conductive cloth is obtained.
Embodiment 7
Select commercially available polyster fibre to be raw material, prepare graphene conductive cloth：
(1) fiber is swelling：The fiber is immersed into 20min in 10% sodium hydrate aqueous solution at 100 DEG C, makes fiber abundant
It is swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 1% surfactant is added
Dispersion, ultrasonic 30min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 50mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:1；
(3) mix：The swollen fiber that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 60min
After take out fiber, at 120 DEG C drying obtain graphene conductive fiber；
(4) graphene conductive fiber is obtained into graphene conductive cloth through weaving.
Embodiment 8
Select commercially available vinylon fiber to be raw material, prepare graphene conductive cloth：
(1) fiber is swelling：The fiber is immersed at room temperature ethanol and dichloromethane mixed liquor (ethanol：Dichloromethane body
Product is than being 1:1) 30min in, makes fiber fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 5% surfactant is added
Dispersion, ultrasonic 20min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 40mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:3；
(3) mix：The swollen fiber that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and stands 80min
After take out fiber, at 85 DEG C drying obtain graphene conductive fiber；
(4) by graphene conductive fiber through blending, graphene conductive cloth is obtained.
Comparative example 1
Select commercially available spandex fibre single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, the surface for adding 0.05% is lived
Property agent promote dispersion, ultrasonic 10min obtains Graphene slurry, wherein, the addition of Graphene is the mixed of 1mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 1:5；
(2) impregnate：Cloth is put in the Graphene slurry that step (1) is obtained to stand and take out cloth after 10min, in 80 DEG C
Lower drying obtains graphene conductive cloth.
Comparative example 2
Select commercially available acrylic fiber single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 10% surface activity is added
Agent promotes dispersion, ultrasonic 60min to obtain Graphene slurry, wherein, the addition of Graphene is the mixed of 100mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 3:1；
(2) impregnate：Cloth is put in the Graphene slurry that step (1) is obtained to stand and take out cloth after 120min, in 40
Drying at DEG C obtains graphene conductive cloth.
Comparative example 3
Select commercially available polyster fibre single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 1% surfactant is added
Dispersion, ultrasonic 30min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 50mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:1；
(2) impregnate：Cloth is put in the Graphene slurry that step (1) is obtained to stand and take out cloth after 60min, in 120
Drying at DEG C obtains graphene conductive cloth.
Comparative example 4
Select commercially available vinylon fiber single textile or be raw material with the cloth of other fiber blends, prepare graphene conductive
Cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 5% surfactant is added
Dispersion, ultrasonic 20min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 40mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:3；
(2) impregnate：Cloth is put in the Graphene slurry that step (1) is obtained to stand and take out cloth after 80min, in 85 DEG C
Lower drying obtains graphene conductive cloth.
Comparative example 5
Select commercially available spandex fibre to be raw material, prepare graphene conductive cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, the surface for adding 0.05% is lived
Property agent promote dispersion, ultrasonic 10min obtains Graphene slurry, wherein, the addition of Graphene is 1mg/mL, water and DMF
The volume ratio of water and DMF is 1 in mixed liquor:5；
(2) impregnate：Fiber is put in the Graphene slurry that step (1) is obtained to stand and take out fiber after 10min, in 80 DEG C
Lower drying obtains graphene conductive fiber；
(3) graphene conductive fiber is obtained into graphene conductive cloth through weaving.
Comparative example 6
Select commercially available acrylic fiber to be raw material, prepare graphene conductive cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 10% surface activity is added
Agent promotes dispersion, ultrasonic 60min to obtain Graphene slurry, wherein, the addition of Graphene is the mixed of 100mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 3:1；
(2) impregnate：Fiber is put in the Graphene slurry that step (1) is obtained to stand and take out fiber after 120min, in 40
Drying at DEG C obtains graphene conductive fiber；
(3) by graphene conductive fiber through blending, graphene conductive cloth is obtained.
Comparative example 7
Select commercially available polyster fibre to be raw material, prepare graphene conductive cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 1% surfactant is added
Dispersion, ultrasonic 30min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 50mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:1；
(2) impregnate：Fiber is put in the Graphene slurry that step (1) is obtained to stand and take out fiber after 60min, in 120
Drying at DEG C obtains graphene conductive fiber；
(3) graphene conductive fiber is obtained into graphene conductive cloth through weaving.
Comparative example 8
Select commercially available vinylon fiber to be raw material, prepare graphene conductive cloth：
(1) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, 5% surfactant is added
Dispersion, ultrasonic 20min is promoted to obtain Graphene slurry, wherein, the addition of Graphene is the mixing of 40mg/mL, water and DMF
The volume ratio of water and DMF is 1 in liquid:3；
(2) impregnate：Fiber is put in the Graphene slurry that step (1) is obtained to stand and take out fiber after 80min, in 85
Drying at DEG C obtains graphene conductive fiber；
(3) by graphene conductive fiber through blending, graphene conductive cloth is obtained.
The conductive fabric obtained by above-described embodiment and comparative example method is carried out into electric conductivity test, and is bent and is crumpled
Test, concrete process of the test is as follows：
1st, cripping test：The square resistance of the graphene conductive cloth that measure is obtained by above-described embodiment and comparative example method,
Then cripping test is carried out to graphene conductive cloth, bending radius of curvature Φ 5 determines again its square electricity after bending 5000 times
Resistance, Computational block resistance change rate.
2nd, rubbing test：The square resistance of the graphene conductive cloth that measure is obtained by above-described embodiment and comparative example method,
Then rubbing test is carried out to graphene conductive cloth, method is with the power of 10N using another block of clean cloth on conductive fabric surface
Rub repeatedly, after repeating 5000 times its square resistance, Computational block resistance change rate are determined again.
Square resistance is measured using four-point probe.
Conducting performance test result before and after embodiment and the bending rubbing of comparative example graphene conductive cloth is as shown in table 1.
Conducting performance test result before and after the embodiment of table 1 and the bending rubbing of comparative example graphene conductive cloth
From table 1 it follows that the inventive method graphene conductive cloth for obtaining conducts electricity very well, square resistance is stable
In 1K Ω/ -100K Ω/.And using the method for comparative example by the conductive fabric obtained in cloth direct impregnation to Graphene
Square resistance is big, and electric conductivity is poor, and the resistance homogeneity of conductive fabric is poor.
Embodiment 1～8 is that, according to graphene conductive cloth obtained in the inventive method, and comparative example 1～8 is direct by Graphene
It is immersed on cloth, the cloth that embodiment and comparative example are obtained is carried out after cripping test, obtains the side before and after conductive fabric bending
Block resistance change rate, carries out after rubbing test, obtaining the side before and after conductive fabric is rubbed to the cloth that embodiment and comparative example are obtained
Block resistance change rate, as a result as shown in table 1.
As can be seen from Table 1, by the way that graphene conductive cloth is after cripping test obtained in the inventive method, conductive fabric is curved
Square resistance rate of change before and after folding<10%, after rubbing test, conductive fabric rub before and after square resistance rate of change<
20%；And according to the graphene conductive cloth obtained after comparative example method direct impregnation after cripping test, before conductive fabric bending
Square resistance rate of change afterwards>50%, after rubbing test, conductive fabric rub before and after square resistance rate of change>1000%.
Therefore, electric conductivity change is little Jing bending, after rubbing for the conductive fabric that the inventive method is obtained, relatively stable, graphene conductive
Tack of the layer in cloth is good, and wearability is good, it is not easy to peel off.And the graphene conductive cloth Jing of comparative example method acquisition is curved
Folding, rub rear electric conductivity and be decreased obviously, it is seen then that tack of the graphene conductive layer in cloth is poor, easily peeling.
Additionally, the graphene conductive cloth (embodiment 1～4) for directly being obtained as raw material with cloth with fiber as raw material, elder generation
Graphene conductive fiber is obtained, the graphene conductive cloth (embodiment 5～8) for further obtaining is more or less the same on electric conductivity.
The graphene conductive cloth simple microscope that further embodiment 1 and comparative example 1 are obtained to cloth appearance and its
Fibre structure carries out observation analysis.
Fig. 1 is the appearing diagram of the graphene conductive cloth that embodiment 1 is obtained.
It will be seen from figure 1 that graphene conductive cloth and common cloth are similar in shape, due to being doped with graphite in cloth
Alkene, the color of cloth is substantially deepened, but it can be seen that whole fabric color is uniform, the uniformity of whole conductive fabric is good.
(a) is using the cloth surface fibre micro-structure diagram of embodiment 1 in Fig. 2；(b) is what comparative example 1 was obtained in Fig. 2
Graphene conductive cloth surface fibre micro-structure diagram；(c) is that the graphene conductive measuring fiber surface that embodiment 1 is obtained shows in Fig. 2
Micro structure figure.
Light-colored part represents the surface fibre in cloth in Fig. 2, and dark parts represent graphene sheet layer, can be seen by Fig. 2
Go out, (a) is the surface fibre structure without Graphene in Fig. 2, and (b) surface fibre is coated with Graphene in Fig. 2, and (c) can in Fig. 2
To find out that Graphene is had been inserted in surface fibre.
, compared to current conductive fabric, Graphene can firm embedded fiber matrix for graphene conductive cloth provided by the present invention
In, substantially increase the associativity of conductive material and matrix so that wearability, the mechanical performance of graphene conductive cloth is compared to mesh
The conductive fabric that front technology can be provided has and is significantly lifted, through the mechanical process also not shadow such as rubbing, rubbing, bend
Its conductive characteristic is rung, the range of application of conductive fabric has been expanded significantly.
Although illustrate and describing the present invention with specific embodiment, but will be appreciated that without departing substantially from the present invention's
Many other changes and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including all such changes and modifications belonged in the scope of the invention.
Claims (10)
1. a kind of graphene conductive cloth, it is characterised in that the graphene conductive cloth by graphene sheet layer and fibrous matrix it is compound and
Into the graphene sheet layer is embedded in the fibrous matrix, and continuous graphene conductive network is formed in fibrous matrix.
2. according to the graphene conductive cloth described in claim 1, it is characterised in that the square resistance of the graphene conductive cloth is
1KΩ/□-100KΩ/□。
3. a kind of preparation method of the graphene conductive cloth according to described in claim 1 or 2, it is characterised in that cloth is swelling
Immerse in Graphene slurry afterwards, Graphene slurry is sufficiently mixed with swelling cloth, taking-up cloth obtains Graphene and leads after being dried
Electric cloth；Or,
By in the swelling rear immersion Graphene slurry of fiber, Graphene slurry is sufficiently mixed with swollen fiber, take out fiber drying
After obtain graphene conductive fiber, then by the graphene conductive fiber through braiding or blending, obtain graphene conductive cloth.
4. according to the preparation method of the graphene conductive cloth described in claim 3, it is characterised in that comprise the following steps：
(1) cloth is swelling：Cloth is immersed in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion；
(3) mix：The swelling cloth that step (1) is obtained is put in the Graphene slurry that step (2) is obtained and is stood, be sufficiently mixed
Cloth is taken out afterwards is dried to obtain graphene conductive cloth；
Step (1) and step (2) order interchangeable.
5. according to the preparation method of the graphene conductive cloth described in claim 4, it is characterised in that during swelling in step (1)
Between be 5～60min；And/or,
The concentration of the Graphene slurry of step (2) is 1～100mg/mL；The volume ratio of water and DMF is in the mixed liquor of water and DMF
1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3)；Baking temperature is 40～120 DEG C.
6. according to the preparation method of the graphene conductive cloth described in claim 3, it is characterised in that comprise the following steps：
(1) cloth is swelling：Cloth is immersed into 5～60min in swelling solvent, makes fiber in cloth fully swelling；
(2) Graphene slurry is prepared：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote dispersion,
10～60min of ultrasound, obtains Graphene slurry, wherein, the addition of Graphene is the mixed liquor of 1～100mg/mL, water and DMF
The volume ratio of middle water and DMF is 1:(1/3～5)；
(3) mix：By the swelling cloth that step (1) is obtained be put in the Graphene slurry that step (2) is obtained stand 10～
120min, takes out cloth after being sufficiently mixed, graphene conductive cloth is dried to obtain at 40～120 DEG C；
Step (1) and step (2) order interchangeable.
7. according to the preparation method of the graphene conductive cloth described in claim 3, it is characterised in that the system of graphene conductive fiber
Preparation Method is comprised the following steps：
(1 ') fiber is swelling：Fiber is immersed in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, Graphene slurry is obtained after dispersion；
(3 ') mix：The swollen fiber that step (1 ') is obtained is put in the Graphene slurry that step (2 ') is obtained and is stood, fully
Fiber drying is taken out after mixing and obtains graphene conductive fiber；
Step (1 ') and step (2 ') order interchangeable.
8. according to the preparation method of the graphene conductive cloth described in claim 7, it is characterised in that during swelling in step (1 ')
Between be 5～60min；And/or,
The concentration of the Graphene slurry of step (2 ') is 1～100mg/mL；The volume ratio of water and DMF in the mixed liquor of water and DMF
For 1:(1/3～5)；And/or,
Time of repose is 10～120min in step (3 ')；Baking temperature is 40～120 DEG C.
9. according to the preparation method of the graphene conductive cloth described in claim 3, it is characterised in that comprise the following steps：
(1 ') fiber is swelling：Fiber is immersed into 5～60min in swelling solvent, makes fiber fully swelling；
(2 ') prepare Graphene slurry：In dispersing graphene in the mixed liquor of water and DMF, surfactant is added to promote to divide
Dissipate, 10～60min of ultrasound obtains Graphene slurry, wherein, the addition of Graphene is the mixed of 1～100mg/mL, water and DMF
The volume ratio for closing water and DMF in liquid is 1:(1/3～5)；
(3 ') mix：By the swollen fiber that step (1 ') is obtained be put in the Graphene slurry that step (2 ') is obtained stand 10～
120min, takes out fiber after being sufficiently mixed, graphene conductive fiber is dried to obtain at 40～120 DEG C；
The graphene conductive fiber through braiding or blending, is obtained graphene conductive cloth by (4 ')；
Step (1 ') and step (2 ') order interchangeable.
10. a kind of graphene conductive cloth according to described in claim 1 or 2 is in anti-static material, thermo electric material or electromagnetic shielding
Application in material.
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| CN108724822B (en) * | 2018-05-04 | 2020-09-22 | 中国航空工业集团公司基础技术研究院 | Preparation method of electromagnetic shielding honeycomb core material |
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| CN115167049A (en) * | 2022-07-27 | 2022-10-11 | 香港理工大学 | Electroemissivity regulating device and preparation method thereof |
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