CN107858777A - A kind of graphene alumina fibre composite and preparation method thereof - Google Patents
A kind of graphene alumina fibre composite and preparation method thereof Download PDFInfo
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- CN107858777A CN107858777A CN201711150763.4A CN201711150763A CN107858777A CN 107858777 A CN107858777 A CN 107858777A CN 201711150763 A CN201711150763 A CN 201711150763A CN 107858777 A CN107858777 A CN 107858777A
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- 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
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/08—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres and hardened by felting; Felts or felted products
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
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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
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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
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
Abstract
The invention discloses a kind of graphene alumina fibre composite and preparation method thereof, and the crosslinking to alumina fibre can be realized using the swelling and fusion of the graphite oxide ene coatings on alumina fibre surface.Graphene oxide, can be to the uniform coating of alumina fibre as sizing agent and crosslinking agent, and cross-linking process is quick and easy, and cross-link intensity is high.After further reduction, graphene oxide cross-linked layer is changed into graphene cross-linked layer, enhances the interaction between alumina fibre, reduces interfibrous contact resistance, so that alumina fibre shows excellent mechanical property and electrical and thermal conductivity, the enhancing phase available for composite.This method using graphene crosslinking-oxidization aluminum fiber has very big researching value and is widely applied prospect.
Description
Technical field
The invention belongs to composite fibre field, more particularly to a kind of graphene-alumina fibre composite and its preparation
Method.
Background technology
Alumina fibre is one kind of development situation of high-performance inorganic fibers.It is with Al2O3For main component, some also contains other gold
Belong to oxide such as SiO2And B2O3Deng composition, there is the forms such as long fine, short fibre, whisker.The outstanding advantages of alumina fibre are that have height
Intensity, high-modulus, extraordinary heat resistance and high-temperature oxidation., can be in higher temperature compared with carbon fiber and metallic fiber
It is lower to keep good tensile strength；Its good surface activity, it is easy to compound with metal, ceramic matrix；It is simultaneously also small with thermal conductivity,
Thermal coefficient of expansion is low, the advantages that good thermal shock.In addition, compared with other development situation of high-performance inorganic fibers such as silicon carbide fibre, oxidation
Aluminum fiber cost of material is low, and simple production process, has higher cost performance.Alumina fibre can with resin, metal or
Ceramics progress is compound to prepare high-performance composite materials, is widely used in Aeronautics and Astronautics, military project and high-tech area.
Graphene is a kind of two-dimentional carbon material with monoatomic layer thickness, has low-density, high mechanical strength, heat
Conductance and electrical conductivity and excellent corrosion resistance, and have preferable compatibility between alumina fibre, therefore utilize pure stone
Black alkene crosslinking-oxidization aluminum fiber, the boundling and non-woven fabrics of alumina fibre can be realized by non-melt means, can not only
The mechanical strength of maintenance alumina fibre, heat-resisting quantity, corrosion resistance well, and the electrical and thermal conductivity of material can be improved,
Overall proportion is reduced, can be used as the obturator of high-performance composite materials.
The oxygen of pure graphene crosslinking is prepared using graphene oxide swelling in a solvent and fusion by the present invention
Change aluminum fiber, the method compared to melting crosslinking can more preferably keep the intensity of alumina fibre in itself, compared to using other changes
Method crosslinking is more simple and easy, green.Due to graphene high conductivity in itself, high-termal conductivity, corrosion resistance etc.
Performance, after being coated to alumina fibre surface, alumina fibre electrical and thermal conductivity in itself and alkali resistance can be lifted, and
Due to the presence of graphene crosslinking, alumina fibre surface can form conductive and heat-conductive network, in the reinforcement for composite
Make more efficiently realize enhancing.
The content of the invention
Due to being difficult to boundling, electrical and thermal conductivity is poor, and the application of existing alumina fibre is restricted.The present invention
Purpose be to be directed to existing technical deficiency, there is provided a kind of graphene-alumina fibre composite and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions：A kind of graphene-alumina fibre composite, stone
Black alkene is coated on alumina fibre surface, and alumina fibre surface is connected with graphene film by Van der Waals force and hydrogen bond.Oxidation
Crosslinking is realized by being coated on the graphene on surface between aluminum fiber, forms zero twisted yarn, non-woven fabrics or chopped mat.
A kind of preparation method of graphene-alumina fibre composite, comprises the following steps：
(1) surface coating is carried out to alumina fibre using graphene oxide dispersion, obtaining surface after drying is coated with
The alumina fibre of graphene oxide.
(2) alumina fibre for coating graphene oxide is placed in progress surface swelling in solvent, then merged fiber
The zero twisted yarn is formed after drying, or fiber is mutually overlapped and forms the non-woven fabrics or chopped mat after drying, dries temperature
Degree is less than 100 DEG C.
(3) graphene-alumina fibre composite is obtained after reducing.
Further, the concentration of graphene oxide dispersion is 7mg/g in the step (1), and dispersant is water, N, N- bis-
It is NMF, DMAC N,N' dimethyl acetamide, ethanol, ethylene glycol, 1-METHYLPYRROLIDONE, tetrahydrofuran, dimethyl sulfoxide, two sweet
Alcohol, pyridine, dioxane, butanone, isopropanol etc..
Further, alumina fibre is repeatedly coated using graphene oxide dispersion in the step (1), often
Dried after secondary coating, final dried graphene oxide thickness degree is 3 μm.
Further, solvent is water, methanol, ethanol, isopropanol, ethylene glycol, glycerine, diethylene glycol (DEG) in the step (2)
Deng the organic acids such as alcohols, formic acid, acetic acid, propionic acid, butyric acid, valeric acid, ethanedioic acid, malonic acid, succinic acid, acrylic acid, acetone, fourth
Ketone, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, tetrahydrofuran, dimethyl sulfoxide, 1-METHYLPYRROLIDONE, pyridine, two
The ring of oxygen six, the aqueous solution of sodium chloride, the aqueous solution of calcium chloride, the aqueous solution of sodium nitrate, the aqueous solution of calcium nitrate, the water of sodium phosphate
Solution, the aqueous solution of potassium chloride, the aqueous solution of ammonium chloride, the aqueous solution of potassium hydroxide, sodium hydroxide the aqueous solution or these are molten
The mixed liquor of liquid.
Further, restoring method is to use hydroiodic acid, hydrazine hydrate, Vitamin C, sodium borohydride etc. in the step (3)
Chemical reducing agent is reduced or 100~600 DEG C of thermal reductions.
The beneficial effects of the present invention are：
(1) pure graphene is uniform as alumina fibre surface distributed, and interface adhesive strength is high, and immersion does not take off in a solvent
Fall.
(2) pure graphene is high as the cross-linking agents intensity of alumina fibre.Using graphene oxide in a solvent
Swelling fusion realizes the crosslinking of alumina fibre, and method is simple, time saving, and the solvent environmental protection of use, cross-linking effect is good, compares
Other cross-linking methods have very big application value.
The excellent mechanical property of alumina fibre can be kept using this cross-linking method, and the conduction of fiber can be lifted
Property, thermal conductivity etc., so as to further expand the application of alumina fibre material.
Brief description of the drawings
Fig. 1 is the schematic diagram of the alumina fibre non-woven fabrics through graphene of the present invention crosslinking.
Fig. 2 is the non-twist fine schematic diagram of alumina fibre being crosslinked through graphene of the present invention.
Embodiment
The method for preparing graphene-alumina fibre composite comprises the following steps：
(1) surface coating is carried out to alumina fibre using graphene oxide dispersion, obtaining surface after drying is coated with
The alumina fibre of graphene oxide.The concentration of the graphene oxide dispersion is 7mg/g, and dispersant is water, N, N- diformazans
It is base formamide, DMAC N,N' dimethyl acetamide, ethanol, ethylene glycol, 1-METHYLPYRROLIDONE, tetrahydrofuran, dimethyl sulfoxide, two sweet
Alcohol, pyridine, dioxane, butanone, isopropanol etc..Alumina fibre is repeatedly coated using graphene oxide dispersion,
Dried every time after coating, drying temperature is about 25~200 DEG C, and final dried graphene oxide thickness degree is 3 μm.(2) will
The alumina fibre of coating graphene oxide is placed in progress surface swelling in solvent, then merges fiber and forms institute after drying
Zero twisted yarn is stated, or fiber is mutually overlapped and forms the non-woven fabrics or chopped mat after drying, drying temperature is less than 100 DEG C.Institute
Solvent is stated as alcohols, formic acid, acetic acid, propionic acid, butyric acid, penta such as water, methanol, ethanol, isopropanol, ethylene glycol, glycerine, diethylene glycol (DEG)s
The organic acids such as acid, ethanedioic acid, malonic acid, succinic acid, acrylic acid, acetone, butanone, N,N-dimethylformamide, N, N- dimethyl
Acetamide, tetrahydrofuran, dimethyl sulfoxide, 1-METHYLPYRROLIDONE, pyridine, dioxane, the aqueous solution of sodium chloride, calcium chloride
The aqueous solution, the aqueous solution of sodium nitrate, the aqueous solution of calcium nitrate, the aqueous solution of sodium phosphate, the aqueous solution of potassium chloride, the water of ammonium chloride
Solution, the aqueous solution of potassium hydroxide, the mixed liquor of the aqueous solution of sodium hydroxide or these solution.(3) reduce after obtain graphene-
Alumina fibre composite.The restoring method is to use the electronations such as hydroiodic acid, hydrazine hydrate, Vitamin C, sodium borohydride
Agent is reduced or 100~600 DEG C of thermal reductions.
To realize the crosslinking of alumina fibre, graphene oxide is coated to alumina fibre surface by the present invention, aoxidizes stone
The hydroxyl of black alkene and alumina fibre forms hydrogen bond and van der Waals interaction, realizes uniformly firmly coating.Then make aluminum oxide fine
Dimension table layer graphene oxide is swelled in a solvent, and lamella obtains the larger free degree, when drying graphene oxide layer due to by
To the π-π active forces between the capillary force and lamella caused by solvent volatilization and spontaneous Close stack, therefore alumina fibre
It is cross-linked with each other, such as Fig. 1, shown in 2, finally gives graphene-alumina fibre composite, including zero twisted yarn, non-woven fabrics or short
Cut felt etc..The alumina fibre of graphene crosslinking maintains the mechanical strength of alumina fibre fiber itself, conduction, corrosion-resistant etc.
Performance, the thermal conductivity of alumina fibre is improved, there is very big actual application value.
The present invention is specifically described below by embodiment, the present embodiment is served only for doing further the present invention
It is bright, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art makes one according to the content of foregoing invention
A little nonessential changes and adjustment belong to protection scope of the present invention.
Non-woven fabrics tensile strength refers to national standard GBT 15232-1994.
Embodiment 1：
(1) drying, cycle-index are coated repeatedly to alumina fibre surface using the aqueous dispersions of graphene oxide
For 15 times, the alumina fibre that surface is coated with graphene oxide is obtained.Graphene oxide thickness degree is 3 μm；
(2) alumina fibre for the coating graphene oxide that step (3) obtains is placed in water and carries out surface swelling, then
Fiber is mutually overlapped and forms non-woven fabrics after drying, drying temperature is less than 100 DEG C.
(3) the graphene oxide crosslinking-oxidization aluminum fiber that step (2) obtains is placed in the closed cauldron containing hydrazine hydrate, 80
Reduced 12 hours at DEG C.
Through above step, graphene coated passes through model on alumina fibre surface, alumina fibre surface with graphene film
De Huali connects with hydrogen bond.Between alumina fibre crosslinking, the unordered friendship of composite fibre are realized by being coated on the graphene on surface
It is folded to form nonwoven fabric construct, surface density 96.5g/m2, fracture strength 2.23GPa, conductance is 3.7 × 104S/m, thermal conductivity
For 24W/mK.
In addition, graphene oxide concentration and coating layer thickness are the optimal results obtained through repetition test.It can be seen by table 1
Go out, coat under same number, when the concentration of graphene oxide is 7mg/ml, graphite oxide ene coatings are on alumina fibre surface
Thickness is 3 μm, fracture strength, conductance, the thermal conductivity highest of obtained alumina fibre non-woven fabrics, and cross-linking effect is best.Oxygen
The concentration of graphite alkene is smaller, and thickness of the graphene oxide on alumina fibre surface is smaller, obtained alumina fibre nonwoven
Fracture strength, conductance, the thermal conductivity of cloth are smaller, and cross-linking effect and alkali resistance are poorer.The concentration of graphene oxide is higher, oxidation
Graphene is bigger in alumina fibre surface thickness, and thickness distribution is uneven, cross-link intensity decline, obtained alumina fibre without
Spinning the fracture strength, conductance, thermal conductivity of cloth reduces.
Embodiment 2：
(1) alumina fibre surface is coated repeatedly using the N,N-dimethylformamide dispersion liquid of graphene oxide
Dry, cycle-index is 13 times, obtains the alumina fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μ
m；
(2) alumina fibre for the coating graphene oxide that step (1) obtains is placed in water and carries out surface swelling, then
Fiber is mutually overlapped and forms non-woven fabrics after drying, drying temperature is less than 100 DEG C.
(3) the graphene oxide crosslinking-oxidization aluminum fiber that step (2) obtains is placed in the closed cauldron containing hydrazine hydrate, 80
Reduced 12 hours at DEG C.
Pass through model moral with graphene film on alumina fibre surface, alumina fibre surface through above step graphene coated
Hua Li connects with hydrogen bond.Crosslinking is realized by being coated on the graphene on surface between alumina fibre, composite fibre is unordered to be overlapped
Form nonwoven fabric construct, surface density 95.6g/m2, fracture strength 2.3GPa, conductance is 4.5 × 104S/m, thermal conductivity are
25W/mK。
Embodiment 3：
(1) drying, circulation time are coated repeatedly to alumina fibre surface using the alcohol dispersion liquid of graphene oxide
Number is 16 times, obtains the alumina fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μm；
(2) alumina fibre for the coating graphene oxide that step (3) obtains is placed in water and carries out surface swelling, then
Fiber is mutually overlapped and forms non-woven fabrics after drying, drying temperature is less than 100 DEG C.
(3) the graphene oxide crosslinking-oxidization aluminum fiber that step (2) obtains is placed in the closed cauldron containing hydroiodic acid, 90
Reduced 18 hours at DEG C.
Through above step, graphene coated passes through model on alumina fibre surface, alumina fibre surface with graphene film
De Huali connects with hydrogen bond.Between alumina fibre crosslinking, the unordered friendship of composite fibre are realized by being coated on the graphene on surface
It is folded to form nonwoven fabric construct, surface density 95.7g/m2, fracture strength 2.24GPa, conductance is 4.1 × 104S/m, thermal conductivity
For 23W/mK.
Embodiment 4：
(1) alumina fibre surface arranged in parallel is coated repeatedly using the ethylene glycol dispersion liquid of graphene oxide
Dry, cycle-index is 12 times, and it is fine to obtain alumina fibre length of the surface coated with graphene oxide.Graphene oxide thickness degree
For 3 μm；
(2) the long fibre of alumina fibre for the coating graphene oxide that step (1) obtains is placed in ethylene glycol and carries out surface
Swelling, then fiber is merged and forms the zero twisted yarn after drying, drying temperature is less than 100 DEG C, ethylene glycol is volatilized.
(3) the graphene oxide crosslinking-oxidization aluminum fiber length fibre that step (2) obtains is placed in the closed cauldron containing hydroiodic acid
In, reduced 18 hours at 90 DEG C.
Through above step, graphene coated passes through model on alumina fibre surface, alumina fibre surface with graphene film
De Huali connects with hydrogen bond.Between alumina fibre crosslinking, composite fibre parallel are realized by being coated on the graphene on surface
Row form non-twist fine structure, fracture strength 2.42GPa, are 7.2 × 10 in conductance4S/m, thermal conductivity 27W/mK.
Embodiment 5：
(1) coating dry repeatedly is carried out to alumina fibre surface arranged in parallel using the aqueous dispersions of graphene oxide
Dry, cycle-index is 15 times, obtains the alumina fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μm；
(2) alumina fibre for the coating graphene oxide that step (1) obtains is placed in progress surface swelling in ethylene glycol,
Then fiber is merged and forms the zero twisted yarn after drying, drying temperature is less than 100 DEG C, ethylene glycol is volatilized.
(3) the graphene oxide crosslinking-oxidization aluminum fiber length fibre that step (2) obtains is placed in the closed cauldron containing hydroiodic acid
In, reduced 18 hours at 90 DEG C.
Through above step, graphene coated passes through model on alumina fibre surface, alumina fibre surface with graphene film
De Huali connects with hydrogen bond.Between alumina fibre crosslinking, composite fibre parallel are realized by being coated on the graphene on surface
Row form non-twist fine structure, fracture strength 2.52GPa, and conductance is 7.6 × 104S/m, thermal conductivity 28W/mK.
Claims (6)
1. a kind of graphene-alumina fibre composite, it is characterised in that graphene coated is in alumina fibre surface, oxygen
Change aluminum fiber surface to be connected by Van der Waals force and hydrogen bond with graphene film.By being coated on the stone on surface between alumina fibre
Black alkene realizes crosslinking, forms zero twisted yarn, non-woven fabrics or chopped mat.
2. the preparation method of a kind of graphene-alumina fibre composite, it is characterised in that comprise the following steps：
(1) surface coating is carried out to alumina fibre using graphene oxide dispersion, surface is obtained after drying coated with oxidation
The alumina fibre of graphene.
(2) alumina fibre for coating graphene oxide is placed in progress surface swelling in solvent, then merged fiber through dry
The zero twisted yarn is formed after dry, or fiber is mutually overlapped and forms the non-woven fabrics or chopped mat after drying, drying temperature is low
In 100 DEG C.
(3) graphene-alumina fibre composite is obtained after reducing.
3. according to the method for claim 2, it is characterised in that the concentration of graphene oxide dispersion in the step (1)
For 7mg/g, dispersant is water, DMF, DMA, ethanol, ethylene glycol, N- crassitudes
Ketone, tetrahydrofuran, dimethyl sulfoxide, diethylene glycol (DEG), pyridine, dioxane, butanone, isopropanol etc..
4. according to the method for claim 2, it is characterised in that graphene oxide dispersion pair is used in the step (1)
Alumina fibre is repeatedly coated, and is dried every time after coating, and final dried graphene oxide thickness degree is 3 μm.
5. according to the method for claim 2, it is characterised in that solvent is water, methanol, ethanol, isopropyl in the step (2)
The alcohols such as alcohol, ethylene glycol, glycerine, diethylene glycol (DEG), formic acid, acetic acid, propionic acid, butyric acid, valeric acid, ethanedioic acid, malonic acid, succinic acid,
The organic acids such as acrylic acid, acetone, butanone, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, tetrahydrofuran, dimethyl sulfoxide,
1-METHYLPYRROLIDONE, pyridine, dioxane, the aqueous solution of sodium chloride, the aqueous solution of calcium chloride, the aqueous solution of sodium nitrate, nitre
The aqueous solution of sour calcium, the aqueous solution of sodium phosphate, the aqueous solution of potassium chloride, the aqueous solution of ammonium chloride, the aqueous solution of potassium hydroxide, hydrogen
The mixed liquor of the aqueous solution of sodium oxide molybdena or these solution.
6. according to the method for claim 2, it is characterised in that restoring method is to use hydroiodic acid, water in the step (3)
The chemical reducing agents such as conjunction hydrazine, Vitamin C, sodium borohydride are reduced or 100~600 DEG C of thermal reductions.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711150763.4A CN107858777A (en) | 2017-11-18 | 2017-11-18 | A kind of graphene alumina fibre composite and preparation method thereof |
| US16/617,531 US11542411B2 (en) | 2017-05-27 | 2018-03-13 | Method for preparing composites on basis of graphene bonding |
| PCT/CN2018/078765 WO2018219008A1 (en) | 2017-05-27 | 2018-03-13 | Method for preparing composites on basis of graphene bonding |
| JP2019565907A JP6952134B2 (en) | 2017-05-27 | 2018-03-13 | Method of manufacturing composite material based on graphene adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711150763.4A CN107858777A (en) | 2017-11-18 | 2017-11-18 | A kind of graphene alumina fibre composite and preparation method thereof |
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| CN107858777A true CN107858777A (en) | 2018-03-30 |
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| CN201711150763.4A Withdrawn CN107858777A (en) | 2017-05-27 | 2017-11-18 | A kind of graphene alumina fibre composite and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737298A (en) * | 2022-03-31 | 2022-07-12 | 圣华盾防护科技股份有限公司 | High-barrier electromagnetic shielding protective clothing fabric and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591551A (en) * | 2015-01-16 | 2015-05-06 | 东华大学 | Preparation method of graphene-coated glass fiber composite material |
| CN106948165A (en) * | 2017-04-28 | 2017-07-14 | 浙江大学 | A kind of graphene fiber of fusion certainly and preparation method thereof |
-
2017
- 2017-11-18 CN CN201711150763.4A patent/CN107858777A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591551A (en) * | 2015-01-16 | 2015-05-06 | 东华大学 | Preparation method of graphene-coated glass fiber composite material |
| CN106948165A (en) * | 2017-04-28 | 2017-07-14 | 浙江大学 | A kind of graphene fiber of fusion certainly and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737298A (en) * | 2022-03-31 | 2022-07-12 | 圣华盾防护科技股份有限公司 | High-barrier electromagnetic shielding protective clothing fabric and preparation method thereof |
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Application publication date: 20180330 |