CN107815789A - A kind of graphene quartz fibre composite and preparation method thereof - Google Patents
A kind of graphene quartz fibre composite and preparation method thereof Download PDFInfo
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- CN107815789A CN107815789A CN201711150778.0A CN201711150778A CN107815789A CN 107815789 A CN107815789 A CN 107815789A CN 201711150778 A CN201711150778 A CN 201711150778A CN 107815789 A CN107815789 A CN 107815789A
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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
- D10B2101/10—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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/14—Carbides; Nitrides; Silicides; Borides
Abstract
The invention discloses a kind of graphene quartz fibre composite and preparation method thereof, and the crosslinking to quartz fibre can be realized using the swelling and fusion of the graphite oxide ene coatings of quartz fiber surface.Graphene oxide, can be to the uniform coating of quartz 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 quartz fibre, reduces interfibrous contact resistance, so that quartz fibre shows excellent mechanical property and electrical and thermal conductivity, the enhancing phase available for composite.It is this to be crosslinked the method for quartz fibre with very big researching value using graphene and be widely applied prospect.
Description
Technical field
The invention belongs to composite fibre field, more particularly to a kind of graphene-quartz fibre composite and its preparation side
Method.
Background technology
Quartz fibre refers to dioxide-containing silica more than 99.9%, special glass fibre of the string diameter at 1~15 μm, and it has
There is very high heat resistance, can be used for a long time at 1050 DEG C, moment high temperature resistant is up to 1700 DEG C, and temperature tolerance is only second to carbon fiber, together
When due to quartz glass fibre have brilliance electrical insulating property, its dielectric constant and dielectric loss coefficient be in all fibres most
Alright.Quartz fibre has a wide range of applications in aviation, space flight, military project, semiconductor, high temperature insulating etc..It is particularly frequent
Reinforcing material as radome.In order to keep convergence to be easy to work out, quartz can add when producing on surface
The dielectric properties of carbonization effect composite occur in high temperature for one layer of organic size, this size, and reduce quartz
The cementability of fiber and matrix and influence interface performance.
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 quartz fibre, therefore utilize pure graphite
Alkene is crosslinked quartz fibre, and the boundling and non-woven fabrics of quartz fibre can be realized by non-melt means, can not only be well
The mechanical strength of maintenance quartz fibre, heat-resisting quantity, corrosion resistance, and the electrical and thermal conductivity of material can be improved, reduce overall
Proportion, it can be used as the obturator of high-performance composite materials.Further, since the protective effect of graphene, its alkali resistance also obtains
It is obviously improved.
The stone of pure graphene crosslinking is prepared using graphene oxide swelling in a solvent and fusion by the present invention
English fiber, the method compared to melting crosslinking can more preferably keep the intensity of quartz fibre in itself, compared to using other chemistry sides
Method crosslinking is more simple and easy, green.Due to performances such as graphene high conductivity in itself, high-termal conductivity, corrosion resistances,
After being coated to quartz fiber surface, quartz fibre electrical and thermal conductivity in itself and alkali resistance can be lifted, and due to graphite
The presence of alkene crosslinking, quartz fiber surface can form conductive and heat-conductive network, and making in the reinforcement for composite can be more
Effectively realize enhancing.
The content of the invention
Due to being difficult to boundling, interface performance is poor, and alkali resistance is poor, and electrical and thermal conductivity is poor, and existing quartz fibre applies model
Enclose and be restricted.The purpose of the present invention is to be directed to existing technical deficiency, there is provided a kind of graphene-quartz fibre composite
And preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions：A kind of graphene-quartz fibre composite, graphite
Alkene is coated on quartz fiber surface, and quartz fiber surface is connected with graphene film by Van der Waals force and hydrogen bond.Quartz fibre it
Between by being coated on the graphene on surface realize crosslinking, form zero twisted yarn, non-woven fabrics or chopped mat.
A kind of preparation method of graphene-quartz fibre composite, comprises the following steps：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying.
(2) surface coating is carried out to quartz fibre using graphene oxide dispersion, it is aerobic that surface coating is obtained after drying
The quartz fibre of graphite alkene.
(3) quartz fibre for coating graphene oxide is placed in progress surface swelling in solvent, then fiber is merged and passed through
The zero twisted yarn is formed after drying, or fiber is mutually overlapped and forms the non-woven fabrics or chopped mat, drying temperature after drying
Less than 100 DEG C.
(4) graphene-quartz fibre composite is obtained after reducing.
Further, the concentration of graphene oxide dispersion is 7mg/g in the step (2), 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, quartz fibre is repeatedly coated using graphene oxide dispersion in the step (2), every time
Dried after 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 (3)
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 (4)
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 evenly distributed as quartz fiber surface, 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 quartz fibre.Utilize graphene oxide in a solvent molten
Swollen fusion realizes the crosslinking of quartz fibre, and method is simple, time saving, and the solvent environmental protection of use, cross-linking effect is good, compared to other
Cross-linking method has very big application value.
The excellent mechanical property of quartz fibre can be kept using this cross-linking method, and the heat conduction of quartz fibre can be improved
Property, electric conductivity, alkali resistance etc., so as to further expand the application of silica fiber material.
Brief description of the drawings
Fig. 1 is the schematic diagram of the quartz fibre non-woven fabrics through graphene of the present invention crosslinking.
Fig. 2 is the non-twist fine schematic diagram of quartz fibre being crosslinked through graphene of the present invention.
Embodiment
The method for preparing graphene-quartz fibre composite comprises the following steps：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying.(2) graphite oxide is used
Alkene dispersion liquid carries out surface coating to quartz fibre, and the quartz fibre that surface is coated with graphene oxide is obtained after drying.It is described
The concentration of graphene oxide dispersion is 7mg/g, and dispersant is water, DMF, DMA, second
Alcohol, ethylene glycol, 1-METHYLPYRROLIDONE, tetrahydrofuran, dimethyl sulfoxide, diethylene glycol (DEG), pyridine, dioxane, butanone, isopropanol
Deng.Quartz fibre is repeatedly coated using graphene oxide dispersion, dried every time after coating, drying temperature is about 25~
200 DEG C, final dried graphene oxide thickness degree is 3 μm.(3) quartz fibre for coating graphene oxide is placed in solvent
Middle progress surface swelling, then fiber is merged and forms the zero twisted yarn after drying, or fiber is mutually overlapped after drying
The non-woven fabrics or chopped mat are formed, drying temperature is less than 100 DEG C.The solvent is water, methanol, ethanol, isopropanol, second two
The alcohols such as alcohol, glycerine, diethylene glycol (DEG), formic acid, acetic acid, propionic acid, butyric acid, valeric acid, ethanedioic acid, malonic acid, succinic acid, acrylic acid etc.
Organic acid, acetone, butanone, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, tetrahydrofuran, dimethyl sulfoxide, N- methyl pyrroles
Pyrrolidone, pyridine, dioxane, the aqueous solution of sodium chloride, the aqueous solution of calcium chloride, the aqueous solution of sodium nitrate, the water of calcium nitrate
Solution, the aqueous solution of sodium phosphate, the aqueous solution of potassium chloride, the aqueous solution of ammonium chloride, the aqueous solution of potassium hydroxide, sodium hydroxide
The mixed liquor of the aqueous solution or these solution.(4) graphene-quartz fibre composite is obtained after reducing.The restoring method is
Reduced using chemical reducing agents such as hydroiodic acid, hydrazine hydrate, Vitamin C, sodium borohydrides or 100~600 DEG C heat-treat.
To realize the crosslinking of quartz fibre, graphene oxide is coated to quartz fiber surface, graphene oxide by the present invention
Hydrogen bond and van der Waals interaction are formed with the hydroxyl of quartz fibre, realizes uniformly firmly coating.Then make quartz fibre top layer oxygen
Graphite alkene is swelled in a solvent, and lamella obtains the larger free degree, and graphene oxide layer by solvent due to being waved when drying
π-π the active forces between capillary force and lamella caused by hair and spontaneous Close stack, therefore quartz fibre is cross-linked with each other, such as
Fig. 1, shown in 2, finally give graphene-quartz fibre composite, including zero twisted yarn, non-woven fabrics or chopped mat etc..Graphene
The quartz fibre of crosslinking maintains the performance such as the mechanical strength of quartz fibre itself, conduction, corrosion-resistant, improves quartz fibre
Thermal conductivity, 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.
Embodiment 1：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying；
(2) quartz fiber surface obtained using the aqueous dispersions of graphene oxide to step (1) carries out coating dry repeatedly
Dry, cycle-index is 15 times, obtains the quartz fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μm；
(3) quartz fibre for the coating graphene oxide that step (2) obtains is placed in water and carries out surface swelling, then will
Fiber mutually overlaps forms non-woven fabrics after drying, and drying temperature is less than 100 DEG C.
(4) the graphene oxide crosslinking quartz fibre that step (3) obtains is placed in the closed cauldron containing hydrazine hydrate, 80 DEG C
Lower reduction 12 hours.
Through above step, graphene coated passes through Van der Waals in quartz fiber surface, quartz fiber surface with graphene film
Power connects with hydrogen bond.Between quartz fibre crosslinking, the unordered overlapping formation of composite fibre are realized by being coated on the graphene on surface
Nonwoven fabric construct, surface density 87.1g/m2, fracture strength 2.2GPa, the holding of 12h intensity is soaked in PH=12 alkali lye
For rate 89%, conductance is 4.9 × 104S/m, thermal conductivity 23W/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, thickness of the graphite oxide ene coatings in quartz fiber surface
The ultimate strength of the quartz fibre non-woven fabrics for 3 μm, obtained, conductance, thermal conductivity highest are spent, cross-linking effect is best.Aoxidize stone
The concentration of black alkene is smaller, and graphene oxide is smaller in the thickness of quartz fiber surface, the fracture of obtained quartz fibre non-woven fabrics
Strongly, conductance, thermal conductivity are smaller, and cross-linking effect and alkali resistance are poorer.The concentration of graphene oxide is higher, and graphene oxide exists
Quartz fiber surface thickness is bigger, and thickness distribution is uneven, and cross-link intensity declines, and the fracture of obtained quartz fibre non-woven fabrics is strong
Power, conductance, thermal conductivity reduce.
Embodiment 2：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying；
(2) quartz fiber surface obtained using the N,N-dimethylformamide dispersion liquid of graphene oxide to step (1)
Drying is coated repeatedly, and cycle-index is 13 times, obtains the quartz fibre that surface is coated with graphene oxide.Graphene oxide
Thickness degree is 3 μm；
(3) quartz fibre for the coating graphene oxide that step (2) obtains is placed in water and carries out surface swelling, then will
Fiber mutually overlaps forms non-woven fabrics after drying, and drying temperature is less than 100 DEG C.
(4) the graphene oxide crosslinking quartz fibre that step (3) obtains is placed in the closed cauldron containing hydrazine hydrate, 80 DEG C
Lower reduction 12 hours.
Through above step, graphene coated passes through Van der Waals in quartz fiber surface, quartz fiber surface with graphene film
Power connects with hydrogen bond.Between quartz fibre crosslinking, the unordered overlapping formation of composite fibre are realized by being coated on the graphene on surface
Nonwoven fabric construct, surface density 88.3g/m2, fracture strength 2.1GPa, the holding of 12h intensity is soaked in PH=12 alkali lye
For rate 87%, conductance is 5.1 × 104S/m, thermal conductivity 25W/mK.
Embodiment 3：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying；
(2) quartz fiber surface obtained using the alcohol dispersion liquid of graphene oxide to step (1) is coated repeatedly
Dry, cycle-index is 16 times, obtains the quartz fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μm；
(3) quartz fibre for the coating graphene oxide that step (2) obtains is placed in water and carries out surface swelling, then will
Fiber mutually overlaps forms non-woven fabrics after drying, and drying temperature is less than 100 DEG C.
(4) the graphene oxide crosslinking quartz fibre that step (3) obtains is placed in the closed cauldron containing hydroiodic acid, 90 DEG C
Lower reduction 18 hours.
Through above step, graphene coated passes through Van der Waals in quartz fiber surface, quartz fiber surface with graphene film
Power connects with hydrogen bond.Between quartz fibre crosslinking, the unordered overlapping formation of composite fibre are realized by being coated on the graphene on surface
Nonwoven fabric construct, surface density 86.4g/m2, fracture strength 2.3GPa, the holding of 12h intensity is soaked in PH=12 alkali lye
For rate 82%, conductance is 3.9 × 104S/m, thermal conductivity 22W/mK.
Embodiment 4：
(1) quartz fibre arranged in parallel is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying；
(2) quartz fiber surface obtained using the ethylene glycol dispersion liquid of graphene oxide to step (1) is applied repeatedly
Drying is covered, cycle-index is 12 times, and it is fine to obtain quartz fibre length of the surface coated with graphene oxide.Graphene oxide thickness degree
For 3 μm；
(3) by the long fibre of quartz fibre for the coating graphene oxide that step (2) obtains be placed in ethylene glycol carry out surface it is molten
It is swollen, then fiber is merged and forms the zero twisted yarn after drying, drying temperature is less than 100 DEG C, ethylene glycol is volatilized.
(4) the graphene oxide crosslinking quartz fibre length fibre that step (3) obtains is placed in the closed cauldron containing hydroiodic acid,
Reduced 18 hours at 90 DEG C.
Through above step, graphene coated passes through Van der Waals in quartz fiber surface, quartz fiber surface with graphene film
Power connects with hydrogen bond.Between quartz fibre crosslinking, composite fibre formation arranged in parallel are realized by being coated on the graphene on surface
Non-twist fine structure, fracture strength 2.7GPa, immersion 12h strength retentions are in 84%, conductance in PH=12 alkali lye
6.8×104S/m, thermal conductivity 29W/mK.
Embodiment 5：
(1) quartz fibre arranged in parallel is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying；
(2) quartz fiber surface obtained using the aqueous dispersions of graphene oxide to step (1) carries out coating dry repeatedly
Dry, cycle-index is 15 times, obtains the quartz fibre that surface is coated with graphene oxide.Graphene oxide thickness degree is 3 μm；
(3) quartz fibre for the coating graphene oxide that step (2) obtains is placed in progress surface swelling in ethylene glycol, so
Fiber is merged afterwards and forms the zero twisted yarn after drying, drying temperature is less than 100 DEG C, ethylene glycol is volatilized.
(4) the graphene oxide crosslinking quartz fibre length fibre that step (3) obtains is placed in the closed cauldron containing hydroiodic acid,
Reduced 18 hours at 90 DEG C.
Through above step, graphene coated passes through Van der Waals in quartz fiber surface, quartz fiber surface with graphene film
Power connects with hydrogen bond.Between quartz fibre crosslinking, composite fibre formation arranged in parallel are realized by being coated on the graphene on surface
Non-twist fine structure, fracture strength 2.8GPa, immersion 12h strength retentions are in 82%, conductance in PH=12 alkali lye
6.3×104S/m, thermal conductivity 27W/mK.
Claims (6)
1. a kind of graphene-quartz fibre composite, it is characterised in that graphene coated is fine in quartz fiber surface, quartz
Dimension table face is connected with graphene film by Van der Waals force and hydrogen bond.Realized between quartz fibre by being coated on the graphene on surface
Crosslinking, form zero twisted yarn, non-woven fabrics or chopped mat.
2. the preparation method of a kind of graphene-quartz fibre composite, it is characterised in that comprise the following steps：
(1) quartz fibre is placed in toluene and soaked, be heated to 300 DEG C of holding 10min, drying.
(2) surface coating is carried out to quartz fibre using graphene oxide dispersion, surface is obtained after drying coated with oxidation stone
The quartz fibre of black alkene.
(3) quartz fibre for coating graphene oxide is placed in progress surface swelling in solvent, then merged fiber through drying
After form the zero twisted yarn, or fiber is mutually overlapped and forms the non-woven fabrics or chopped mat after drying, drying temperature is less than
100℃。
(4) graphene-quartz 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 (2)
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 (2)
Quartz 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 (3)
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 (4)
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 |
|---|---|---|---|
| CN201711150778.0A CN107815789A (en) | 2017-11-18 | 2017-11-18 | A kind of graphene quartz fibre composite and preparation method thereof |
| JP2019565907A JP6952134B2 (en) | 2017-05-27 | 2018-03-13 | Method of manufacturing composite material based on graphene adhesive |
| 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711150778.0A CN107815789A (en) | 2017-11-18 | 2017-11-18 | A kind of graphene quartz fibre composite and preparation method thereof |
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| CN107815789A true CN107815789A (en) | 2018-03-20 |
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| CN109502996A (en) * | 2018-12-10 | 2019-03-22 | 中国科学院新疆理化技术研究所 | A kind of basalt fibre size and preparation method with conducting function |
| CN110022623A (en) * | 2019-04-04 | 2019-07-16 | 碳翁(北京)科技有限公司 | A kind of preparation and application of high temperature resistant fibre electroheating |
| CN111096750A (en) * | 2019-11-30 | 2020-05-05 | 浙江大学 | Respiration monitoring device and respiration monitoring system based on quartz crystal oscillator |
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| CN109502996A (en) * | 2018-12-10 | 2019-03-22 | 中国科学院新疆理化技术研究所 | A kind of basalt fibre size and preparation method with conducting function |
| CN110022623A (en) * | 2019-04-04 | 2019-07-16 | 碳翁(北京)科技有限公司 | A kind of preparation and application of high temperature resistant fibre electroheating |
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| CN111096750A (en) * | 2019-11-30 | 2020-05-05 | 浙江大学 | Respiration monitoring device and respiration monitoring system based on quartz crystal oscillator |
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