CN109763336A - Carbon nanometer fabric and preparation method thereof - Google Patents
Carbon nanometer fabric and preparation method thereof Download PDFInfo
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- CN109763336A CN109763336A CN201811517530.8A CN201811517530A CN109763336A CN 109763336 A CN109763336 A CN 109763336A CN 201811517530 A CN201811517530 A CN 201811517530A CN 109763336 A CN109763336 A CN 109763336A
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Abstract
The present invention relates to a kind of carbon nanometer fabrics and preparation method thereof.The preparation method includes the following steps: to form carbon nano pipe array in the first substrate；High molecular polymer is formed in the second substrate, high molecular polymer is the copolymer of 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer；So that high molecular polymer and carbon nano pipe array is carried out graft reaction, obtain modified carbon nano-tube array, modified carbon nano-tube array is subjected to spinning, obtains carbon nano-tube fibre；Presoma is sprayed on the surface of carbon nano-tube fibre and is reacted under protective gas atmosphere; obtain modified carbon nano tube fiber; presoma is selected from least one of epoxy resin, polyurethane resin and polystyrene resin; modified carbon nano tube fiber is weaved to obtain modified cloth, modified cloth is placed in immersion in the lytic agent containing acetone and obtains carbon nanometer fabric.Above-mentioned preparation method can be used in the carbon nanometer fabric that preparation has both stronger ability of anti-deformation and preferable heat dissipation performance.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of carbon nanometer fabric and preparation method thereof.
Background technique
Carbon nanotube is also known as Baji-tube, has typical hollow structure feature.Carbon nanotube is one kind preferably for mould
Profile material can be used in making minute conducting wire, nano semiconductor material, catalyst carrier and molecule absorption agent etc..Wherein, pass through
Carbon nano-tube fibre is prepared by spinning in carbon nanotube, cloth is made in carbon nano-tube fibre, to improve cloth
Mechanics and electric property.However, the ability of anti-deformation of cloth prepared by traditional carbon nano-tube fibre is poor, heat dissipation effect is not
It is good, it is not able to satisfy actual needs.
Summary of the invention
Based on this, it is necessary to provide a kind of preparation method of carbon nanometer fabric, which can be used in preparation and have both
The carbon nanometer fabric of stronger ability of anti-deformation and preferable heat dissipation performance.
In addition, also providing a kind of carbon nanometer fabric.
A kind of preparation method of carbon nanometer fabric, includes the following steps:
Carbon nano pipe array is formed in the first substrate；
High molecular polymer is formed in the second substrate, the high molecular polymer is 2- oxazoline class monomer and nitrogen-containing hetero
The copolymer of ring class monomer, the 2- oxazoline class monomer are selected from 2- isopropenyl -2- oxazoline and 4,4'- dimethyl -2- second
At least one of alkenyl -2- oxazoline, the nitrogen-containing heterocycle class monomer are n-vinyl pyrrolidone；
Under the first protective gas atmosphere, to first substrate for being formed with the carbon nano pipe array and it is formed with
Second substrate of the high molecular polymer carries out ultraviolet light processing, so that the high molecular polymer and the carbon
Nano-tube array carries out graft reaction, obtains modified carbon nano-tube array；
The modified carbon nano-tube array is subjected to spinning, obtains carbon nano-tube fibre；
The carbon nano-tube fibre surface spray presoma, and under the second protective gas atmosphere in 140 DEG C~
160 DEG C of reactions, obtain modified carbon nano tube fiber, and the presoma is selected from epoxy resin, polyurethane resin and polyphenyl
At least one of vinyl；And
The modified carbon nano tube fiber is weaved, modified cloth is obtained, the modified cloth is placed in lytic agent
It impregnates, obtains carbon nanometer fabric, contain acetone in the lytic agent.
High molecular polymer is grafted to carbon nano pipe array using ultraviolet light by the preparation method of above-mentioned carbon nanometer fabric
Surface, and high molecular polymer is the copolymer of 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer, 2- oxazoline class monomer
Selected from 2- isopropenyl -2- oxazoline and 4, at least one of 4'- dimethyl -2- vinyl -2- oxazoline, nitrogen-containing heterocycle class
Monomer is n-vinyl pyrrolidone, the modified carbon nano-tube array being easily dispersed, and by carbon nano-tube fibre
Surface spray presoma, presoma in epoxy resin, polyurethane resin and polystyrene resin at least one
Kind, so that presoma reacts with-the NCO (isocyanate group) of high molecular polymer and forms protective film, so that obtained carbon modified
Nanofiber passes through the dissolution containing acetone with preferably ability of anti-deformation to guarantee the ability of anti-deformation of carbon nanometer fabric
Modified cloth is impregnated in agent, so that the conjugate that high molecular polymer is formed with presoma is removed from modified cloth, to restore carbon
The structure of nanotube and the ability of anti-deformation and heat dissipation performance for guaranteeing carbon nanometer fabric.Experiment proves that above-mentioned preparation method obtains
The Young's modulus of the carbon nanometer fabric arrived is 550GPa~700GPa, and pyroconductivity is 18W/mk~26W/mk, is had both stronger
Ability of anti-deformation and preferable heat dissipation performance.
Further include before the described the step of modified cloth is placed in immersion in lytic agent in one of the embodiments,
Following steps: in third protective gas atmosphere, heating pressurized treatments are carried out to the modified cloth.
In one of the embodiments, in described the step of carrying out heating pressurized treatments to the modified cloth, heating temperature
Degree is 110 DEG C~115 DEG C, and pressure is 45kPa~98kPa, and the processing time is 5min~60min.
It is described in one of the embodiments, that the modified cloth is placed in the step of impregnating in lytic agent specifically: will
The modified cloth, which is soaked in lytic agent, to be soaked and is ultrasonically treated, the lytic agent be mass percentage be 98%~
The aqueous solution of 100% acetone, supersonic frequency are 25kHz~30kHz, and soaking time is 50min~90min.
The surface in the carbon nano-tube fibre sprays presoma in one of the embodiments, and protects second
Under shield property atmosphere in 140 DEG C~160 DEG C reactions the step of in, the reaction time is 1h~2h.
The weight average molecular weight of the high molecular polymer is 3500~30000 in one of the embodiments,；And/or
The molar ratio of the 2- oxazoline class monomer and the nitrogen-containing heterocycle class monomer is 0.75~3.2.
It is described before the step of forming high molecular polymer in the second substrate in one of the embodiments, further include
The preparation step of the high molecular polymer: the 2- oxazoline class monomer and the nitrogen-containing heterocycle class monomer are passed through into free radical
Polymerization reaction obtains reactant；Solvent is added into the reactant, collects precipitating after separation of solid and liquid, obtains the macromolecule
Polymer.
The 2- oxazoline class monomer and the nitrogen-containing heterocycle class monomer are passed through into free radical in one of the embodiments,
The step of polymerization reaction specifically: the 2- oxazoline class monomer, the nitrogen-containing heterocycle class monomer and initiator are mixed, and in
Raolical polymerizable is carried out at 60 DEG C~65 DEG C, the reaction time is 6h~8h, and the initiator is potassium peroxydisulfate.
The molar ratio of the initiator and the 2- oxazoline class monomer is 1:18~1 in one of the embodiments:
24。
A kind of carbon nanometer fabric is prepared by the preparation method of above-mentioned carbon nanometer fabric.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
It is more thorough and comprehensive to the understanding of the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The preparation method of the carbon nanometer fabric of one embodiment can prepare and have both the carbon of tensile strength and electric conductivity and receive
Rice cloth.The preparation method of the carbon carbon nanometer fabric includes the following steps S110~S140:
S110, modified carbon nano-tube array is prepared.
The step of preparing modified carbon nano-tube array in one of the embodiments, includes S111~S113:
S111, the deposition of carbon nanotubes array in the first substrate.
In one of the embodiments, the step of deposition of carbon nanotubes array in the first substrate include S1111~
S1112:
S1111, the deposit catalyst layers in the first substrate.
Catalyst layer is formed on the surface of the first substrate using electron beam evaporation method in one of the embodiments,.Into one
The material on step ground, catalyst layer is selected from least one of iron, cobalt and nickel.Catalyst layer with a thickness of 20nm~23nm.
S1112, under protective gas atmosphere, the first substrate for being formed with catalyst layer is warming up to 550 DEG C~900 DEG C
Afterwards, then it is passed through carbon-source gas reaction, obtains carbon nano pipe array.
In one of the embodiments, by the first substrate for being deposited with catalyst layer be placed in chemical gas phase reaction furnace into
Row reaction.Further, it is first passed through protective gas into chemical gas phase reaction furnace, then increases the temperature of chemical gas phase reaction furnace
To 550 DEG C~900 DEG C, so that catalyst layer homogeneous nucleation in the first substrate；Carbon-source gas is passed through thereto again to be reacted.
Further, carbon-source gas includes ethylene and hexane, and the partial pressure ratio of ethylene and hexane is 2:1~5:1.Carbon
The flow velocity of source gas is 5mL/min~15mL/min, and being passed through the time that carbon-source gas is reacted is 10min~25min.Pass through
This setting, the mechanical property of obtained carbon nano pipe array are preferable.
Protective gas is selected from least one of nitrogen, hydrogen, argon gas and helium in one of the embodiments,.
The carbon nano-pipe array deposited in the first substrate in one of the embodiments, is classified as single-walled carbon nanotube battle array
Column.It should be noted that the carbon nano pipe array deposited in the first substrate is also possible to array of multi-walled carbon nanotubes.It needs
It is noted that the surface of single-wall carbon nanotube array is compared with multi-wall carbon nano-tube when using the preparation method of above-mentioned carbon nanometer fabric
The surface modification difficulty of pipe array is bigger.
The length of the carbon nano pipe array deposited in the first substrate in one of the embodiments, be 650 μm~
1200μm.The diameter of carbon nanotube is 10nm~15nm in carbon nano pipe array.
The first substrate is alumina plate in one of the embodiments,.The main function of first substrate is to carrying carbon
Nano-tube array.Further, the size of the first substrate is 8 feet.Certainly, in other embodiments, the ruler of the first substrate
It is very little to be also possible to any other size.Further, the first substrate has the first working face.It deposits to be formed in the first working face
Carbon nano pipe array layer.
S112, high molecular polymer is deposited in the second substrate.
2- oxazoline class monomer is selected from 2- isopropenyl -2- oxazoline and 4,4'- diformazan in one of the embodiments,
At least one of base -2- vinyl -2- oxazoline, nitrogen-containing heterocycle class monomer are n-vinyl pyrrolidone.
The weight average molecular weight of high molecular polymer is 3500~30000 in one of the embodiments,.Further, high
The weight average molecular weight of Molecularly Imprinted Polymer is 5000~20000.
The molar ratio of 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer is 0.75~3.2 in one of the embodiments,.
The high molecular polymer of such setting is grafted to the surface of carbon nano pipe array, can obtain the better carbon modified of ability of anti-deformation
Nanofiber.
2- oxazoline class monomer is by 2- isopropenyl -2- oxazoline and 4,4 '-dimethyl-in one of the embodiments,
2- vinyl -2- oxazoline composition, and 2- isopropenyl -2- oxazoline and 4,4'- dimethyl -2- vinyl -2- oxazoline
Molar ratio is 0.7~1.3.The high molecular polymer of such setting is grafted to the surface of carbon nano pipe array, can obtain anti-shape
The better modified carbon nano tube fiber of change ability.Further, 2- isopropenyl -2- oxazoline and 4,4'- dimethyl -2- ethylene
The molar ratio of base -2- oxazoline is 1.
The second substrate is silicon wafer, nickel sheet or copper sheet in one of the embodiments,.The main function of second substrate is pair
High molecular polymer is carried, and the stability of silicon wafer, nickel sheet and copper sheet is good, will not react with high molecular polymer.Into one
The size on step ground, the second substrate is 50mm*50mm, and certainly, in other embodiments, the size of the second substrate is also possible to it
His arbitrary dimension.
The method for forming high molecular polymer in the second substrate in one of the embodiments, can be using in the second base
The mode of high molecular polymer film is formed on bottom, it certainly, in other embodiments, can also be using shearing high molecular polymerization
Object material is placed in the mode in the second substrate again.Further, the high molecular polymer deposited in the second substrate with a thickness of
1mm~3mm.Further, the second substrate has the second working face.Deposition forms high molecular polymer on the second working face
Film.The second working face is completely covered in high molecular polymer film.
It further include the preparation step of high molecular polymer in one of the embodiments, before S112: by 2- oxazoline class
Monomer and nitrogen-containing heterocycle class monomer obtain reactant by Raolical polymerizable；Solvent is added into reactant, is separated by solid-liquid separation
Precipitating is collected afterwards, obtains high molecular polymer.
Further, the step of 2- oxazoline class monomer being passed through Raolical polymerizable with nitrogen-containing heterocycle class monomer is specific
Are as follows: 2- oxazoline class monomer, nitrogen-containing heterocycle class monomer and initiator are mixed, and carry out free radical polymerization at 60 DEG C~65 DEG C
Reaction, reaction time are 6h~8h, and initiator is potassium peroxydisulfate.Further, initiator and 2- oxazoline class monomer rub
You are than being 1:18~1:24.
Solvent is selected from least one of carbon tetrachloride, tetrahydrofuran and methylene chloride in one of the embodiments,.
The mode being separated by solid-liquid separation in one of the embodiments, is centrifugation.It should be noted that the mode being separated by solid-liquid separation is not
It is limited to for centrifugation, or other solid-liquid separation methods, such as filter.
It further include being done to precipitating after the step of collecting precipitating after separation of solid and liquid in one of the embodiments,
Dry step, to obtain dry high molecular polymer.It should be noted that if precipitating can satisfy demand, to heavy
The step of shallow lake is dried can be omitted.
S113, under the first protective gas atmosphere, to the first substrate for being formed with carbon nano pipe array and be formed with height
Second substrate of Molecularly Imprinted Polymer carries out ultraviolet light processing, so that high molecular polymer and carbon nano pipe array are grafted
Reaction, obtains modified carbon nano-tube array.
High molecular polymer is grafted to the surface of carbon nano pipe array using ultraviolet light, and high molecular polymer is 2-
The copolymer of oxazoline class monomer and nitrogen-containing heterocycle class monomer, 2- oxazoline class monomer be selected from 2- isopropenyl -2- oxazoline and
At least one of 4,4'- dimethyl -2- vinyl -2- oxazolines, nitrogen-containing heterocycle class monomer are n-vinyl pyrrolidone, are obtained
To the modified carbon nano-tube array being easily dispersed.
By the first substrate for being formed with carbon nano pipe array and it is formed with high molecular polymer in one of the embodiments,
The second substrate be placed in same reaction chamber.Reaction chamber can be closed, and reaction chamber has an air inlet and a gas outlet.Reaction
It is equipped with ultraviolet light module in chamber, ultraviolet light processing can be carried out to reaction chamber.
Further, the first substrate of carbon nano pipe array will be formed with and be formed with the second substrate of high molecular polymer
It is placed side by side in reaction chamber.Further, by the first substrate for being formed with carbon nano pipe array and it is formed with polyphosphazene polymer
The second substrate for closing object is placed side by side, so that carbon nano pipe array is contacted with high molecular polymer.
To the first substrate for being formed with carbon nano pipe array and it is formed with high molecular polymer in one of the embodiments,
The second substrate carry out ultraviolet light processing during, the air inlet of capping chamber and gas outlet first, and to reaction
Chamber carries out vacuumize process, and the air pressure in reaction chamber is made to be down to 10-2Torr or less.Preferably, the air pressure in reaction chamber is reduced
To 10-6Torr or less.Secondly, being passed through the first protective gas into reaction chamber by air inlet until reaching normal atmosphere again
Pressure, open gas outlet, it is not open close enter the first protective gas keep system pressure.
The flow velocity of the first protective gas is 2L/min~3L/min in one of the embodiments,.First protectiveness gas
Body is selected from least one of nitrogen, helium, neon and argon gas.
To the first substrate for being formed with carbon nano pipe array and it is formed with high molecular polymer in one of the embodiments,
The second substrate when carrying out ultraviolet light processing, the irradiation power of ultraviolet light is 15mW~35mW.Under this irradiation power, have
Conducive to the fuel factor for improving reaction system, so that system temperature is increased to high molecular polymer and forms gaseous state, and protecting
Property gas flow under the action of be moved to carbon nano pipe array surface and carbon nano pipe array occur graft polymerization reaction.
Ultraviolet light is the monochrome that illumination wavelength is 196nm~350nm in one of the embodiments,
(monochromatic) narrow band light.Further, monochromatic narrow band light is the monochromatic light that bandwidth is 218nm~298nm.
Ultraviolet source distance is formed with the first substrate of carbon nano pipe array and is formed with height in one of the embodiments,
The distance of second substrate of Molecularly Imprinted Polymer is 2mm~20mm.
The time for carrying out ultraviolet light processing in one of the embodiments, is 10min~35min.One wherein
In embodiment, the time for carrying out ultraviolet light processing is 15min~30min.Ultraviolet light is carried out in one of the embodiments,
The time for the treatment of with irradiation is 23min.
To the first substrate for being formed with carbon nano pipe array and it is formed with high molecular polymer in one of the embodiments,
The second substrate when carrying out ultraviolet light processing, the irradiation power of ultraviolet light is 15mW~35mW, ultraviolet light be 196nm~
The monochromatic narrow band light of 350nm, the time for carrying out ultraviolet light processing is 15min~30min.With this condition, be conducive to
Guarantee high molecular polymer reduces ultraviolet light in the case where capable of being grafted to carbon nano pipe array and receives to high molecular polymer and carbon
The destruction of mitron array structure to guarantee the mechanical property of carbon nano pipe array, and obtains the better carbon nanometer of ability of anti-deformation
Pipe fiber.
To the first substrate for being formed with carbon nano pipe array and it is formed with high molecular polymer in one of the embodiments,
The second substrate carry out ultraviolet light processing after, further include the first substrate is placed in it is naturally cold under protective gas atmosphere
But operation.It should be noted that in other embodiments, the first substrate is placed in natural cooling under protective gas atmosphere
Operation also can be omitted.
The first substrate is placed under protective gas atmosphere in the operation of natural cooling in one of the embodiments,
Protective gas is selected from least one of nitrogen, argon gas and helium.By the first substrate be placed under protective gas atmosphere into
Row natural cooling can prevent carbon nano pipe array exposure to be oxidized in air.
S120, spinning is carried out to modified carbon nano-tube array, obtains carbon nano-tube fibre.
In a wherein embodiment, the step of S120 specifically: using clamping tool from modified carbon nano-tube array
Edge clamp modified carbon nano-tube array, and pulled and revolved along the direction of growth perpendicular to modified carbon nano-tube array
Turn, so that modified carbon nano-tube array is stretched, and every modified carbon nano-tube in modified carbon nano-tube array is made to be screwed in one
It rises, obtains carbon nano-tube fibre.
In clamping tool drawing and modifying carbon nano pipe array, modified carbon nano-tube is by Van der Waals force and modification in modification
Non-covalent interaction power between the copolymer on carbon nano pipe array surface or the decomposition product of copolymer drives carbon modified to receive
Mitron array is continuously drawn out and makes modified carbon nano-tube battle array in filiform, then by rotating modified carbon nano-tube array
Every modified carbon nano-tube in column is threaded together, as carbon nano-tube fibre.
Further, the step of S120 specifically: clamp modified carbon nano-tube battle array from the edge of modified carbon nano-tube array
Column, and pulled along the direction perpendicular to modified carbon nano-tube array growth, obtain silky nano pipe array；It is received from filiform
The silky nano pipe array of the edge clamping of mitron array, and revolved along the extending direction perpendicular to silky nano pipe array
Turn and pull, so that silky nano pipe array is stretched, and every silky nano pipe in silky nano pipe array is made to be screwed in one
It rises, obtains carbon nano-tube fibre.
In a wherein embodiment, when clamping modified carbon nano-tube array from the edge of modified carbon nano-tube array,
The width of clamping is 50 μm~200 μm.Further, modified carbon nano-tube array is clamped from the edge of modified carbon nano-tube array
When, the width of clamping is 100 μm~150 μm.
In a wherein embodiment, when being pulled along the direction of growth perpendicular to modified carbon nano-tube array
Rate is 0.05m/s~0.5mm/s.Further, it is pulled along the direction of growth perpendicular to modified carbon nano-tube array
When rate be 0.1m/s~0.4mm/s.Further, along the direction of growth progress perpendicular to modified carbon nano-tube array
Rate when dragging is 0.2m/s~0.3mm/s.
In a wherein embodiment, when being rotated along the direction of growth perpendicular to modified carbon nano-tube array
Revolving speed is 1000rpm~3000rpm.Further, it is rotated along the direction of growth perpendicular to modified carbon nano-tube array
When revolving speed be 2000rpm.
In a wherein embodiment, the diameter of carbon nano-tube fibre is 10 μm~200 μm.
In a wherein embodiment, the length of carbon nano-tube fibre is 100m~6000m.It should be noted that carbon
The length of nanotube fibers is not limited to above-mentioned length, can be configured according to actual needs.
S130, carbon nano-tube fibre surface spray presoma, and under the second protective gas atmosphere in 140 DEG C~
160 DEG C of reactions, obtain modified carbon nano tube fiber, and presoma is selected from epoxy resin, polyurethane resin and polystyrene
At least one of resin.
By spraying presoma on the surface of carbon nano-tube fibre, and specific presoma is selected, so that presoma and height
- the NCO of Molecularly Imprinted Polymer reacts and forms protective film, so that obtained modified carbon nano tube fiber has preferably anti-deformation energy
Power, to guarantee the ability of anti-deformation of carbon nanometer fabric.
It should be noted that the presoma in the spraying of carbon nano-tube fibre surface can sufficiently connect with high molecular polymer
Touching.It further, is the surface that carbon nano-tube fibre is completely covered in the presoma of carbon nano-tube fibre surface spraying, to guarantee
Presoma comes into full contact with high molecular polymer.
In one of the embodiments, the second protective gas in nitrogen, helium, neon and argon gas at least one
Kind.
Presoma is sprayed on the surface of carbon nano-tube fibre in one of the embodiments, and in the second protective gas
Under atmosphere in 140 DEG C~160 DEG C reactions the step of in, the reaction time is 1h~2h.Under this reaction time, presoma can be made
It is sufficiently reacted with carbon nano-tube fibre, to guarantee the mechanical property of modified carbon nano tube fiber.
Presoma is misty or film-form in one of the embodiments,.Such setting enables presoma more equal
The even surface coated on carbon nano-tube fibre.
Presoma is selected from epoxy resin, polyurethane resin and polystyrene tree in one of the embodiments,
At least one of rouge.
Presoma is made of epoxy resin and polystyrene resin in one of the embodiments, and epoxy resin and poly-
The molar ratio of styrene resin is 95:1~99:1.Such setting can obtain the more excellent modified carbon nano tube of mechanical property
Fiber.
S140, modified carbon nano tube fiber is weaved, obtains modified cloth, modified cloth is placed in lytic agent and is soaked
Bubble, obtains carbon nanometer fabric, contains acetone in lytic agent.
Modified cloth is impregnated by the lytic agent containing acetone, so that the conjugate that high molecular polymer and presoma are formed
It is removed from modified cloth, guarantees the ability of anti-deformation and heat dissipation performance of carbon nanometer fabric to restore the structure of carbon nanotube.
Use traditional Weaving method by modified carbon nano tube fibrous woven at cloth in one of the embodiments,.Tradition
Weaving method for example can be flat weaving method or twill.It should be noted that single modified carbon nano tube fiber can be used
It weaves, more modified carbon nano tube fibers parallels can also be made one and weaved again.
It further includes walking as follows that modified cloth, which was placed in front of the step of impregnating in lytic agent, in one of the embodiments,
It is rapid: in third protective gas atmosphere, heating pressurized treatments being carried out to modified cloth.Wherein, third protective gas is selected from
At least one of nitrogen, helium, neon and argon gas.By carrying out heating pressurized treatments to modified cloth, advantageous cloth at
Type, so that carbon nano-tube fibre arrangement is finer and close, to guarantee the mechanical property of modified cloth.
In the step of carrying out heating pressurized treatments to modified cloth in one of the embodiments, heating temperature is 110 DEG C
~115 DEG C, pressure is 45kPa~98kPa, and the processing time is 5min~60min.Further, pressure is 60kPa~80kPa,
The processing time is 10min~30min.
Modified cloth is placed in the step of impregnating in lytic agent in one of the embodiments, specifically: by modified cloth
It is soaked in lytic agent and impregnates and be ultrasonically treated, lytic agent is the water for the acetone that mass percentage is 98%~100%
Solution, supersonic frequency are 25kHz~30kHz, and soaking time is 50min~90min.Further, lytic agent is acetone, is impregnated
Time is 60min~80min.
High molecular polymer is grafted to carbon nano pipe array using ultraviolet light by the preparation method of above-mentioned carbon nanometer fabric
Surface, and high molecular polymer is the copolymer of 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer, 2- oxazoline class monomer
Selected from 2- isopropenyl -2- oxazoline and 4, at least one of 4'- dimethyl -2- vinyl -2- oxazoline, nitrogen-containing heterocycle class
Monomer is n-vinyl pyrrolidone, the modified carbon nano-tube array being easily dispersed, and by carbon nano-tube fibre
Surface spray presoma, presoma in epoxy resin, polyurethane resin and polystyrene resin at least one
Kind, so that presoma reacts with-the NCO (isocyanate group) of high molecular polymer and forms protective film, so that obtained carbon modified
Nanofiber passes through the dissolution containing acetone with preferably ability of anti-deformation to guarantee the ability of anti-deformation of carbon nanometer fabric
Modified cloth is impregnated in agent, so that the conjugate that high molecular polymer is formed with presoma is removed from modified cloth, to restore carbon
The structure of nanotube and the ability of anti-deformation and heat dissipation performance for guaranteeing carbon nanometer fabric.Experiment proves that above-mentioned preparation method obtains
The Young's modulus of the carbon nanometer fabric arrived is 550GPa~700GPa, and pyroconductivity is 18W/mk~26W/mk, is had both preferable
Ability of anti-deformation and preferable heat dissipation performance.
Furthermore above-mentioned preparation method does not need to disperse carbon nano pipe array to carry out subsequent processing, work in a solvent
Skill simplifies, and will not destroy the array structure of carbon nano pipe array, advantageously ensure that modified carbon nano-tube array and modified carbon nano tube
The mechanical property of fiber, solvent-free equal residual, the purity of obtained modified carbon nano tube fiber are higher.
It is below the part of specific embodiment.
Unless otherwise instructed, following embodiment is without containing other groups not yet explicitly pointed out in addition to inevitable impurity
Point.First substrate is alumina plate.Second substrate is copper sheet.The surface of carbon nano-tube fibre is completely covered in presoma.Ultraviolet light
When source distance is formed with the first substrate of carbon nano pipe array and is formed with the second substrate of high molecular polymer, ultraviolet source
Bandwidth is 218nm.
Embodiment 1
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) take one piece of first substrate, deposition forms the catalyst layer of 20nm thickness in the first substrate, catalyst layer be nickel with
The mixing material (mass ratio of nickel and cobalt is 1:1) of cobalt, then the first substrate is placed in chemical vapour deposition reactor furnace and is passed through
Nitrogen, then be warming up to 900 DEG C, then into chemical vapour deposition reactor furnace be passed through carbon-source gas (carbon-source gas includes ethylene and oneself
The partial pressure ratio of alkane, ethylene and hexane is 2:1), and the flow control of carbon-source gas reacts 25min at 15L/min, so that
First substrate surface is completely covered with carbon nano pipe array, and carbon nano-pipe array is classified as single-wall carbon nanotube array, carbon nano-pipe array
The length of column is 650 μm, and the diameter of carbon nanotube is 15nm in carbon nano pipe array.
(2) one piece of second substrate is taken, forms the high molecular polymer film with a thickness of 1mm in the second substrate.Macromolecule
The preparation process of polymer are as follows: 2- oxazoline class monomer is mixed with nitrogen-containing heterocycle class monomer and initiator, and at 65 DEG C into
Row Raolical polymerizable 6h, obtains reactant, and initiator is potassium peroxydisulfate, the molar ratio of initiator and 2- oxazoline class monomer
For 1:18；Solvent is added into reactant, collects precipitating after separation of solid and liquid, precipitating is dried, high molecular polymer is obtained.
2- oxazoline class monomer is 2- isopropenyl -2- oxazoline, and nitrogen-containing heterocycle class monomer is n-vinyl pyrrolidone, 2- oxazoline
The molar ratio of class monomer and nitrogen-containing heterocycle class monomer is 3.2.The weight average molecular weight of high molecular polymer is 3500.Solvent is tetrachloro
Change carbon.
(3) it by the first substrate for being formed with carbon nano pipe array and the second substrate for being formed with high molecular polymer and discharges
It is placed in reaction chamber, is formed with the first substrate of carbon nano pipe array and is formed with the second substrate of high molecular polymer in same
One horizontal plane, and carbon nano pipe array and high molecular polymer contact, reaction chamber are evacuated to air pressure and are down to 10-2Logical after Torr
Enter nitrogen, keeping the flow velocity of nitrogen is 2L/min, to the first substrate for being formed with carbon nano pipe array and is formed with polyphosphazene polymer
The second substrate for closing object carries out ultraviolet light processing, and ultraviolet source distance is formed with the first substrate and shape of carbon nano pipe array
Distance at the second substrate for having high molecular polymer is 2mm, and the irradiation power of ultraviolet light is 35mW, and ultraviolet light is illumination wavelength
For the monochromatic narrow band light of 196nm, irradiation time 35min；Ultraviolet light module is closed, the first substrate is exposed under nitrogen atmosphere
To natural cooling, modified carbon nano-tube array is obtained.
(4) modified carbon nano-tube array is clamped from the edge of modified carbon nano-tube array using clamping tool, and along vertical
Directly the direction of growth in modified carbon nano-tube array is pulled and is rotated, and obtains carbon nano-tube fibre.From modified carbon nano-tube
When the edge of array clamps modified carbon nano-tube array, the width of clamping is 200 μm.The speed of dragging is 0.5mm/s, and revolving speed is
3000rpm.The diameter of obtained carbon nano-tube fibre is 10 μm.
(5) presoma is sprayed on the surface of carbon nano-tube fibre, and reacts 1h at 140 DEG C in nitrogen atmosphere, obtained
Modified carbon nano tube fiber, presoma are bisphenol A type epoxy resin.
(6) modified carbon nano tube fiber is weaved, obtains modified cloth.Modified cloth is placed in lytic agent and is impregnated
65min, obtains carbon nanometer fabric, and lytic agent is acetone.
Embodiment 2
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) take one piece of first substrate, deposition forms the catalyst layer of 23nm thickness in the first substrate, catalyst layer be nickel with
The mixing material (mass ratio of nickel and cobalt is 1:1) of cobalt, then the first substrate is placed in chemical vapour deposition reactor furnace and is passed through
Nitrogen, then be warming up to 550 DEG C, then into chemical vapour deposition reactor furnace be passed through carbon-source gas (carbon-source gas includes ethylene and oneself
The partial pressure ratio of alkane, ethylene and hexane is 5:1), and the flow control of carbon-source gas reacts 10min at 5L/min, so that
First substrate surface is completely covered with carbon nano pipe array, and carbon nano-pipe array is classified as single-wall carbon nanotube array, carbon nano-pipe array
The length of column is 1180 μm, and the diameter of carbon nanotube is 10nm in carbon nano pipe array.
(2) one piece of second substrate is taken, forms the high molecular polymer film with a thickness of 3mm in the second substrate.Macromolecule
The preparation process of polymer are as follows: 2- oxazoline class monomer is mixed with nitrogen-containing heterocycle class monomer and initiator, and at 60 DEG C into
Row Raolical polymerizable 8h, obtains reactant, and initiator is potassium peroxydisulfate, the molar ratio of initiator and 2- oxazoline class monomer
For 1:24；Solvent is added into reactant, collects precipitating after separation of solid and liquid, precipitating is dried, high molecular polymer is obtained.
Wherein, 2- oxazoline class monomer is 4,4'- dimethyl -2- vinyl -2- oxazoline, and nitrogen-containing heterocycle class monomer is N- vinylpyridine
The molar ratio of pyrrolidone, 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer is 0.75.The weight average molecular weight of high molecular polymer
It is 30000.Solvent is tetrahydrofuran.
(3) it by the first substrate for being formed with carbon nano pipe array and the second substrate for being formed with high molecular polymer and discharges
It is placed in reaction chamber, is formed with the first substrate of carbon nano pipe array and is formed with the second substrate of high molecular polymer in same
One horizontal plane, and carbon nano pipe array and high molecular polymer contact, reaction chamber are evacuated to air pressure and are down to 10-2Logical after Torr
Enter nitrogen, keeping the flow velocity of nitrogen is 3L/min, to the first substrate for being formed with carbon nano pipe array and is formed with polyphosphazene polymer
The second substrate for closing object carries out ultraviolet light processing, and ultraviolet source distance is formed with the first substrate and shape of carbon nano pipe array
Distance at the second substrate for having high molecular polymer is 10mm, and the irradiation power of ultraviolet light is 15mW, and ultraviolet light is irradiation wave
The monochromatic narrow band light of a length of 350nm, irradiation time 10min；Ultraviolet light module is closed, the first substrate is exposed to nitrogen atmosphere
Down toward natural cooling, modified carbon nano-tube array is obtained.
(4) modified carbon nano-tube array is clamped from the edge of modified carbon nano-tube array using clamping tool, and along vertical
Directly the direction of growth in modified carbon nano-tube array is pulled and is rotated, and obtains carbon nano-tube fibre.From modified carbon nano-tube
When the edge of array clamps modified carbon nano-tube array, the width of clamping is 50 μm.The speed of dragging is 0.05mm/s, and revolving speed is
1000rpm.The diameter of obtained carbon nano-tube fibre is 200 μm.
(5) presoma is sprayed on the surface of carbon nano-tube fibre, and reacts 2h at 160 DEG C under nitrogen atmosphere, obtained
Modified carbon nano tube fiber, presoma are polyurethane resin.
(6) modified carbon nano tube fiber is weaved, obtains modified cloth.Modified cloth is placed in lytic agent and is impregnated
90min, obtains carbon nanometer fabric, and lytic agent is the aqueous solution for the acetone for being 98% containing mass percentage.
Embodiment 3
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) take one piece of first substrate, deposition forms the catalyst layer of 21nm thickness in the first substrate, catalyst layer be nickel with
The mixing material (mass ratio of nickel and cobalt is 1:1) of cobalt, then the first substrate is placed in chemical vapour deposition reactor furnace and is passed through
Nitrogen, then be warming up to 700 DEG C, then into chemical vapour deposition reactor furnace be passed through carbon-source gas (carbon-source gas includes ethylene and oneself
The partial pressure ratio of alkane, ethylene and hexane is 4:1), and the flow control of carbon-source gas reacts 20min at 10L/min, so that
First substrate surface is completely covered with carbon nano pipe array, and carbon nano-pipe array is classified as single-wall carbon nanotube array, carbon nano-pipe array
The length of column is 800 μm, and the diameter of carbon nanotube is 12nm in carbon nano pipe array.
(2) one piece of second substrate is taken, forms the high molecular polymer film with a thickness of 2mm in the second substrate.Macromolecule
The preparation process of polymer are as follows: 2- oxazoline class monomer is mixed with nitrogen-containing heterocycle class monomer and initiator, and at 63 DEG C into
Row Raolical polymerizable 7h, obtains reactant, and initiator is potassium peroxydisulfate, the molar ratio of initiator and 2- oxazoline class monomer
For 1:20；Solvent is added into reactant, collects precipitating after separation of solid and liquid, precipitating is dried, high molecular polymer is obtained；
2- oxazoline class monomer is by 2- isopropenyl -2- oxazoline and 4,4 '-dimethyl -2- vinyl -2- oxazolines composition, and 2- is different
The molar ratio of acrylic -2- oxazoline and 4,4'- dimethyl -2- vinyl -2- oxazoline is 1；Nitrogen-containing heterocycle class monomer is N-
Vinyl pyrrolidone；The molar ratio of 2- oxazoline class monomer and nitrogen-containing heterocycle class monomer is 2；High molecular polymer is divided equally again
Son amount is 15000；Solvent is carbon dichloride.
(3) it by the first substrate for being formed with carbon nano pipe array and the second substrate for being formed with high molecular polymer and discharges
It is placed in reaction chamber, is formed with the first substrate of carbon nano pipe array and is formed with the second substrate of high molecular polymer in same
One horizontal plane, and carbon nano pipe array and high molecular polymer contact, reaction chamber are evacuated to air pressure and are down to 10-2Logical after Torr
Enter nitrogen, keeping the flow velocity of nitrogen is 2.5L/min, to the first substrate for being formed with carbon nano pipe array and is formed with macromolecule
Second substrate of polymer carries out ultraviolet light processing, ultraviolet source distance be formed with carbon nano pipe array the first substrate and
The distance for being formed with the second substrate of high molecular polymer is 10mm, and the irradiation power of ultraviolet light is 25mW, and ultraviolet light is irradiation
Wavelength is the monochromatic narrow band light of 256nm, irradiation time 23min；Ultraviolet light module is closed, the first substrate is exposed to nitrogen atmosphere
It encloses down toward natural cooling, obtains modified carbon nano-tube array.
(4) modified carbon nano-tube array is clamped from the edge of modified carbon nano-tube array using clamping tool, and along vertical
Directly the direction of growth in modified carbon nano-tube array is pulled and is rotated, and obtains carbon nano-tube fibre.From modified carbon nano-tube
When the edge of array clamps modified carbon nano-tube array, the width of clamping is 130 μm.The speed of dragging is 0.3mm/s, and revolving speed is
2000rpm.The diameter of obtained carbon nano-tube fibre is 100 μm.
(5) presoma is sprayed on the surface of carbon nano-tube fibre, and reacts 1.5h at 150 DEG C under nitrogen atmosphere, obtained
To modified carbon nano tube fiber, presoma is made of bisphenol A type epoxy resin and polystyrene resin, and bisphenol A type epoxy resin
And the molar ratio of polystyrene resin is 98:1.
(6) modified carbon nano tube fiber is weaved, obtains modified cloth.Modified cloth is placed in lytic agent and is impregnated
70min, obtains carbon nanometer fabric, and lytic agent is the aqueous solution for the acetone for being 99% containing mass percentage.
Embodiment 4
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) modified carbon nano tube fiber is prepared according to (1) the step of embodiment 1~(5).
(2) modified carbon nano tube fiber is weaved, obtains modified cloth.Heating pressurized treatments are carried out to modified cloth,
Heating temperature is 110 DEG C, pressure 98kPa, and the processing time is 60min.Modification cloth after heating pressurized treatments is placed in molten
65min is impregnated in solution agent, obtains carbon nanometer fabric, lytic agent is acetone.
Embodiment 5
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) modified carbon nano tube fiber is prepared according to (1) the step of embodiment 2~(5).
(2) modified carbon nano tube fiber is weaved, obtains modified cloth.Heating pressurized treatments are carried out to modified cloth,
Heating temperature is 115 DEG C, pressure 45kPa, and the processing time is 5min.Modification cloth after heating pressurized treatments is placed in dissolution
90min is impregnated in agent, obtains carbon nanometer fabric, and lytic agent is the aqueous solution for the acetone for being 98% containing mass percentage.
Embodiment 6
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) modified carbon nano tube fiber is prepared according to (1) the step of embodiment 3~(5).
(2) modified carbon nano tube fiber is weaved, obtains modified cloth.Heating pressurized treatments are carried out to modified cloth,
Heating temperature is 113 DEG C, pressure 65kPa, and the processing time is 25min.Modification cloth after heating pressurized treatments is placed in molten
70min is impregnated in solution agent, obtains carbon nanometer fabric, lytic agent is the aqueous solution for the acetone for being 99% containing mass percentage.
Embodiment 7
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 6, the difference is that: 2- oxazoline
Class monomer forms 2- isopropenyl -2- by 2- isopropenyl -2- oxazoline and 4,4 '-dimethyl -2- vinyl -2- oxazolines and dislikes
Oxazoline and the molar ratio of 4,4'- dimethyl -2- vinyl -2- oxazoline are 0.7；Nitrogen-containing heterocycle class monomer is N- vinyl pyrrole
Alkanone.
Embodiment 8
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 3, the difference is that: 2- oxazoline
Class monomer is by 2- isopropenyl -2- oxazoline and 4,4 '-dimethyl -2- vinyl -2- oxazolines composition, 2- isopropenyl -2-
The molar ratio of oxazoline and 4,4'- dimethyl -2- vinyl -2- oxazoline is 1.3；Nitrogen-containing heterocycle class monomer is N- vinylpyridine
Pyrrolidone.
Embodiment 9
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 6, the difference is that: presoma by
Bisphenol A type epoxy resin and polystyrene resin composition, and the molar ratio of bisphenol A type epoxy resin and polystyrene resin is
95:1.
Embodiment 10
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 6, the difference is that: presoma by
Bisphenol A type epoxy resin and polystyrene resin composition, and the molar ratio of bisphenol A type epoxy resin and polystyrene resin is
99:1.
Embodiment 11
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 6, the difference is that: by 2- oxazole
Quinoline class monomer obtains reactant by Raolical polymerizable；Solvent is added into reactant, collects precipitating after separation of solid and liquid,
Precipitating is dried, high molecular polymer is obtained；2- oxazoline class monomer is by 2- isopropenyl -2- oxazoline and 4,4 '-two
Methyl -2- vinyl -2- oxazoline composition, and 2- isopropenyl -2- oxazoline and 4,4'- dimethyl -2- vinyl -2- oxazole
The molar ratio of quinoline is 1.
Embodiment 12
The preparation process of the carbon nanometer fabric of the present embodiment is roughly the same with embodiment 3, the difference is that: by nitrogen-containing hetero
Ring class monomer obtains reactant by Raolical polymerizable；Solvent is added into reactant, collects precipitating after separation of solid and liquid,
Precipitating is dried, high molecular polymer is obtained；Nitrogen-containing heterocycle class monomer is n-vinyl pyrrolidone.
Embodiment 13
The preparation process of the carbon nanometer fabric of the present embodiment is as follows:
(1) carbon nano-tube fibre is prepared according to (1) the step of embodiment 3~(4).
(2) carbon nano-tube fibre is weaved, obtains modified cloth.Modified cloth is placed in lytic agent and is impregnated
70min, obtains carbon nanometer fabric, and lytic agent is the aqueous solution for the acetone for being 99% containing mass percentage.
Embodiment 14
The preparation process of the modification cloth of the present embodiment is as follows:
(1) carbon nano pipe array is prepared according to (1) the step of embodiment 3.
(2) carbon nanotube is clamped from the edge of carbon nano pipe array using clamping tool, and along perpendicular to carbon nanotube
The direction of growth of array is pulled and is rotated, and carbon nano-tube fibre is obtained.Carbon nanometer is clamped from the edge of carbon nano pipe array
When pipe array, the width of clamping is 130 μm.The speed of dragging is 0.3mm/s, revolving speed 2000rpm.Obtained carbon nanotube is fine
The diameter of dimension is 100 μm.
(3) carbon nano-tube fibre is weaved, obtains modified cloth.
Test:
(1) Young's modulus, the resistivity of 1~13 carbon nanometer fabric of modification cloth and embodiment of embodiment 1~14 are measured
And heat dissipation performance.See Table 1 for details for measurement result.The modification cloth for being embodiment 1~14 and 1~13 carbon of embodiment that table 1 indicates are received
Young's modulus, resistivity and the heat dissipation performance of rice cloth.
Specifically, the Young's modulus (GPa) of modified cloth and carbon nanometer fabric is measured using extension test method；
The resistivity of modified cloth and carbon nanometer fabric is measured using four-point method；
According to the modified cloth of the prepared standard test of JIS A 1412-2-1999 and the pyroconductivity of carbon nanometer fabric.
Table 1
As it can be seen from table 1 the Young's modulus of the carbon nanometer fabric of Examples 1 to 10 is 550GPa~700Gpa, heat is passed
Conductance is 18W/mk~26W/mk, illustrates that above-mentioned preparation method can be prepared and has both stronger ability of anti-deformation and preferably heat dissipation
The carbon nanometer fabric of performance；And the resistivity of the carbon nanometer fabric of Examples 1 to 10 is 0.9 × 10-6M~1.8 × 10 Ω-6Ω m illustrates that the carbon nanometer fabric of above-mentioned preparation method preparation has preferable antistatic performance.
Wherein, the Young's modulus of the carbon nanometer fabric of Examples 1 to 10 and pyroconductivity are better than Examples 1 to 10 respectively
Modified cloth illustrates to impregnate modified cloth by lytic agent, the conjugate for enabling to high molecular polymer and presoma to be formed
It is removed from modified cloth, to restore the structure of carbon nanotube and guarantee the ability of anti-deformation and thermal diffusivity of carbon nanometer fabric
Energy.The Young's modulus of the carbon nanometer fabric of embodiment 4~6 is better than Examples 1 to 3 respectively, illustrates by adding to modified cloth
Hot pressurized treatments can further increase the ability of anti-deformation of cloth.The Young's modulus heat transfer of the carbon nanometer fabric of embodiment 6
Rate is superior to embodiment 11~12, and the resistivity of the carbon nanometer fabric of embodiment 6 is lower than embodiment 11~12, illustrates 2- oxazole
The high molecular polymer that quinoline class monomer and nitrogen-containing heterocycle class monomer polymerization are formed, which is more advantageous to, to be improved the ability of anti-deformation of cloth, dissipates
Hot property and antistatic performance.The Young's modulus of the modification cloth of embodiment 3 is higher than embodiment 13, it may be possible to due to embodiment 13
In without be added presoma, cause to fail to react to form protective film with high molecular polymer, so fail improve cloth anti-shape
Change ability.The Young's modulus of the modification cloth of embodiment 3 is higher than embodiment 14, it may be possible to due to the carbon nanotube in embodiment 14
The non-grafted high molecular polymer of array surface and cause carbon nano pipe array to reunite, and then influence cloth ability of anti-deformation.
In conclusion the preparation method of above embodiment can prepare with stronger ability of anti-deformation, preferably dissipate
The carbon nanometer fabric of hot property and preferably antistatic performance, can be applied to prepare high-performance apparel, such as fire-entry suit etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of preparation method of carbon nanometer fabric, which comprises the steps of:
Carbon nano pipe array is formed in the first substrate；
High molecular polymer is formed in the second substrate, the high molecular polymer is 2- oxazoline class monomer and nitrogen-containing heterocycle class
The copolymer of monomer, the 2- oxazoline class monomer are selected from 2- isopropenyl -2- oxazoline and 4,4'- dimethyl -2- vinyl -
At least one of 2- oxazoline, the nitrogen-containing heterocycle class monomer are n-vinyl pyrrolidone；
Under the first protective gas atmosphere, to first substrate for being formed with the carbon nano pipe array and it is formed with described
Second substrate of high molecular polymer carries out ultraviolet light processing, so that the high molecular polymer and the carbon nanometer
Pipe array carries out graft reaction, obtains modified carbon nano-tube array；
The modified carbon nano-tube array is subjected to spinning, obtains carbon nano-tube fibre；
Presoma is sprayed on the surface of the carbon nano-tube fibre, and in 140 DEG C~160 DEG C under the second protective gas atmosphere
Reaction, obtains modified carbon nano tube fiber, and the presoma is selected from epoxy resin, polyurethane resin and polystyrene tree
At least one of rouge；And
The modified carbon nano tube fiber is weaved, modified cloth is obtained, the modified cloth is placed in lytic agent and is impregnated,
Carbon nanometer fabric is obtained, contains acetone in the lytic agent.
2. the preparation method of carbon nanometer fabric according to claim 1, which is characterized in that described to set the modified cloth
It further include following steps before the step of being impregnated in lytic agent: in third protective gas atmosphere, to the modified cloth
Carry out heating pressurized treatments.
3. the preparation method of carbon nanometer fabric according to claim 2, which is characterized in that it is described to the modified cloth into
Row heating pressurized treatments the step of in, heating temperature be 110 DEG C~115 DEG C, pressure be 45kPa~98kPa, processing the time be
5min~60min.
4. the preparation method of carbon nanometer fabric according to claim 1, which is characterized in that described to set the modified cloth
The step of being impregnated in lytic agent specifically: the modified cloth is soaked in lytic agent and soaks and is ultrasonically treated, it is described
Lytic agent is the aqueous solution for the acetone that mass percentage is 98%~100%, and supersonic frequency is 25kHz~30kHz, when immersion
Between be 50min~90min.
5. the preparation method of carbon nanometer fabric according to claim 1, which is characterized in that described fine in the carbon nanotube
The surface of dimension sprays presoma, and under the second protective gas atmosphere in 140 DEG C~160 DEG C reactions the step of in, when reaction
Between be 1h~2h.
6. the preparation method of carbon nanometer fabric according to claim 1, which is characterized in that the weight of the high molecular polymer
Average molecular weight is 3500~30000；And/or
The molar ratio of the 2- oxazoline class monomer and the nitrogen-containing heterocycle class monomer is 0.75~3.2.
7. the preparation method of carbon nanometer fabric according to claim 1, which is characterized in that described to be formed in the second substrate
It further include the preparation step of the high molecular polymer before the step of high molecular polymer: by the 2- oxazoline class monomer
With the nitrogen-containing heterocycle class monomer by Raolical polymerizable, reactant is obtained；Solvent, solid-liquid are added into the reactant
Precipitating is collected after separation, obtains the high molecular polymer.
8. the preparation method of carbon nanometer fabric according to claim 7, which is characterized in that by the 2- oxazoline class monomer
The step of passing through Raolical polymerizable with the nitrogen-containing heterocycle class monomer specifically: by the 2- oxazoline class monomer, described
Nitrogen-containing heterocycle class monomer and initiator mixing, and carry out Raolical polymerizable at 60 DEG C~65 DEG C, the reaction time be 6h~
8h, the initiator are potassium peroxydisulfate.
9. the preparation method of carbon nanometer fabric according to claim 8, which is characterized in that the initiator and the 2- are disliked
The molar ratio of oxazolines monomer is 1:18~1:24.
10. a kind of carbon nanometer fabric, which is characterized in that by the preparation side of carbon nanometer fabric according to any one of claims 1 to 9
Method is prepared.
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| CN108314009A (en) * | 2018-03-30 | 2018-07-24 | 深圳烯湾科技有限公司 | The surface modification method of carbon nano pipe array |
| CN108532287A (en) * | 2018-03-30 | 2018-09-14 | 深圳烯湾科技有限公司 | The surface modification method of carbon nano-tube fibre |
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| CN108314009A (en) * | 2018-03-30 | 2018-07-24 | 深圳烯湾科技有限公司 | The surface modification method of carbon nano pipe array |
| CN108532287A (en) * | 2018-03-30 | 2018-09-14 | 深圳烯湾科技有限公司 | The surface modification method of carbon nano-tube fibre |
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