CN110028743A - Recyclable nano carbon composite material and the preparation method and application thereof - Google Patents
Recyclable nano carbon composite material and the preparation method and application thereof Download PDFInfo
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- CN110028743A CN110028743A CN201810175859.4A CN201810175859A CN110028743A CN 110028743 A CN110028743 A CN 110028743A CN 201810175859 A CN201810175859 A CN 201810175859A CN 110028743 A CN110028743 A CN 110028743A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of recyclable nano carbon composite materials and the preparation method and application thereof.The nano carbon composite material includes: that more carbon nanotubes intensively interweave the two dimension or three-dimensional aggregate structure of formation；It is distributed in the two dimension or two-dimentional class graphene polymer and high molecular polymer in three-dimensional aggregate structure.Nano carbon composite material provided by the invention has many advantages, such as recyclable recycling; multi-functional compound Buckie paper especially of the invention not only can selfreparing, recyclable recycling; also have mechanical strength good simultaneously; the advantages that flexible resistant to bending; and nano carbon composite material preparation process provided by the invention is simple, raw material is easy to get, and no harmful exhaust, waste liquid etc. generate; it is environmentally protective, it is easy to large-scale production.
Description
Technical field
The present invention relates to a kind of nano carbon composite material, especially a kind of recyclable nano carbon composite material is (such as
Multi-functional compound Buckie paper) and the preparation method and application thereof.
Background technique
Bar of electric-conductivity heat-conductivity high is mainly obtained by modes such as vacuum filtration method, chemical vapor deposition growth methods at this stage
Base paper.Compared to plain paper, these due to carbon nanotube presence and Buckie paper with property in the energy, sensing etc.
Many fields are more for potential application value, but since there are brittleness, mechanical strength, not reproducible utilizations for these Buckie paper
The defects of (refering to Journal of Power Sources 2013,237,325-331.；J.Phys.Chem.C 2012,116,
3903-3909.Electrochemistry Communications 2009,11,186-189), to limit it in reality
Popularization and application in industrial production.
Summary of the invention
The main purpose of the present invention is to provide nano carbon composite materials and its system that one kind can be repaired and be can be recycled
Preparation Method and application, to overcome deficiency in the prior art.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes:
The embodiment of the invention provides a kind of recyclable nano carbon composite materials comprising:
More carbon nanotubes intensively interweave the two dimension or three-dimensional aggregate structure of formation；
It is distributed in the two dimension or two-dimentional class graphene polymer and high molecular polymer in three-dimensional aggregate structure.
The embodiment of the invention also provides a kind of preparation methods of recyclable nano carbon composite material comprising:
Offer includes the mixing of evenly dispersed carbon nanotube, two-dimentional class graphene polymer and high molecular polymer
Liquid；
The solvent in the mixed liquor is isolated, the nano carbon composite material is formed.
Further, the preparation method may include:
Carbon nanotube is dispersed in the solution of two-dimentional class graphene polymer, forms uniform dispersion；
High molecular polymer is dissolved in the uniform dispersion, forms the mixed liquor.
Further, the preparation method may include: to be handled by filter type the mixed liquor, be formed
The nano carbon composite material.
Further, the preparation method may include: by be evaporated naturally mode remove it is molten in the mixed liquor
Agent forms the nano carbon composite material.
Further, the solvent in the mixed liquor includes water.
Further, aforementioned two-dimentional class graphene polymer includes sulfonated class graphene polymer or Carboxylation class graphite
Alkene polymer etc..
Further, aforementioned high molecular polymer is selected from water soluble polymer, such as polyvinyl alcohol, polyethylene glycol
Or aqueous polyurethane etc., and it is without being limited thereto.
Further, in aforementioned nano carbon composite material, two-dimentional class graphene polymer and carbon nanotube and quality
Than preferably (3~8): (2~7).
The embodiment of the invention also provides the recyclable nano carbon composite materials by aforementioned any method preparation.
Further, the nano carbon composite material is flexible multi-functional compound Buckie paper resistant to bending.Further
Ground, the maximum tensile strength of the multi-functional compound Buckie paper is in 100MPa or more.
The embodiment of the invention also provides the restorative procedures of aforementioned any multi-functional compound Buckie paper comprising: in institute
The effect for stating applied force at the breach of multi-functional compound Buckie paper makes corresponding fracture end keep splicing, and applies in stitching portion and refer to
Fixed solvent, to realize the selfreparing of the compound Buckie paper.
Further, the solvent includes water.
The embodiment of the invention also provides the folding line removing methods of aforementioned any multi-functional compound Buckie paper comprising:
Apply specified solvent at the folding line of the multi-functional compound Buckie paper, and application can make institute at least at the folding line
It states multi-functional compound Buckie paper and tends to smooth power, to eliminate the folding line.
Further, the solvent includes water.
The embodiment of the invention also provides the circulation utilization methods of aforementioned any nano carbon composite material comprising:
The used nano carbon composite material is immersed in designated solvent, the nano carbon composite material is disintegrated,
Form mixed liquor；And designated solvent in the mixed liquor is isolated, re-form nano carbon composite material.
Further, the designated solvent includes water.
Further, the circulation utilization method can also include: by filter type to the mixed liquor at
Reason, forms the nano carbon composite material.The nano carbon composite material can be multi-functional compound Buckie paper etc..
Further, the circulation utilization method can also include: to remove the mixed liquor by being evaporated mode naturally
Interior designated solvent forms the nano carbon composite material.
Compared with the prior art, nano carbon composite material provided by the invention has many advantages, such as recyclable recycling, especially
Be multi-functional compound Buckie paper of the invention not only can selfreparing, recyclable recycling, while also having mechanical strength good, it is soft
The advantages that tough resistant to bending, and nano carbon composite material preparation process provided by the invention is simple, raw material is easy to get, no harmful exhaust,
Waste liquid etc. generates, environmentally protective, is easy to large-scale production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of preparation process of recyclable multi-functional compound Buckie paper in a typical embodiments of the invention
Flow chart；
Fig. 2 is a kind of preparation process of recyclable multi-functional compound Buckie paper in a typical embodiments of the invention
Schematic diagram；
Fig. 3 is a kind of photo of multi-functional compound Buckie paper in a case study on implementation of the invention.
Fig. 4 a- Fig. 4 b is the multi-functional compound Buckie paper formed in a case study on implementation of the invention using different ratios of raw materials
Mechanical experimental results.
Fig. 5 is the reparation figure of the folding line of the multi-functional compound Buckie paper of one kind, notch in a case study on implementation of the invention.
Fig. 6 is that multi-functional compound Buckie paper is before the cut is made shown in Fig. 5 and notch is by the mechanical property after selfreparing
Comparison diagram.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
A kind of recyclable nano carbon composite material provided in an embodiment of the present invention comprising:
More carbon nanotubes intensively interweave the two dimension or three-dimensional aggregate structure of formation；
It is distributed in the two dimension or two-dimentional class graphene polymer and high molecular polymer in three-dimensional aggregate structure.
Further, the two-dimentional class graphene polymer includes the class graphene polymer of Superhydrophilic, such as sulfonic acid
Change class graphene polymer, Carboxylation class graphene polymer etc..The two-dimensional graphene quasi polymer helps to make carbon nanometer
Pipe preferably dispersion.Further, the high molecular polymer can be selected from water soluble polymer, such as polyvinyl alcohol,
Polyethylene glycol or aqueous polyurethane etc., and it is without being limited thereto.Wherein, hydrophily base contained by the water soluble polymer
Group, for example, hydroxyl contained by polyvinyl alcohol can be formed with sulfonic group contained by two-dimentional class graphene polymer or carboxylic acid group it is very strong
Binding force, and then the mechanical property for significantly improving the nano carbon composite material can be cooperateed with two-dimensional graphene quasi polymer.
Further, wherein the mass ratio of two-dimentional class graphene polymer and carbon nanotube is preferably (3~8): (2~7).
A kind of preparation method of recyclable nano carbon composite material provided in an embodiment of the present invention includes:
Offer includes the mixing of evenly dispersed carbon nanotube, two-dimentional class graphene polymer and high molecular polymer
Liquid；
The solvent in the mixed liquor is isolated, the nano carbon composite material is formed.
In some embodiments, the preparation method can specifically include:
Carbon nanotube is dispersed in the solution of two-dimentional class graphene polymer, forms uniform dispersion；
High molecular polymer is dissolved in the uniform dispersion, forms the mixed liquor.
Further, the preparation method can also include: by sulfonated graphite vinyl polymer or Carboxylation class
The solution of graphene polymer is mixed with carbon nanotube dust, is then ultrasonically treated to the mixed solution of formation, so that carbon
Nanotube is evenly dispersed under the auxiliary of sulfonated graphite vinyl polymer or Carboxylation class graphene polymer, thus described in being formed
Uniform dispersion.In some embodiments, the preparation method can specifically include: by filter type to described mixed
It closes liquid to be handled, forms the nano carbon composite material.Wherein, it is known in the art to can be vacuum filtration etc. for the mode of filtering
Mode.The nano carbon composite material can be multi-functional compound Buckie paper etc..
In some embodiments, the preparation method can specifically include: by be evaporated naturally mode remove it is described
Solvent in mixed liquor forms the nano carbon composite material.
Further, the solvent in the mixed liquor includes water.
Further, the two-dimentional class graphene polymer includes sulfonated class graphene polymer or Carboxylation class graphite
Alkene polymer.Further, the high molecular polymer can be selected from water soluble polymer, such as polyvinyl alcohol, poly- second
Glycol or aqueous polyurethane etc., and it is without being limited thereto.
Wherein, the dosage of the high molecular polymer can be arbitrary.
Further, the mass ratio of two-dimentional class graphene polymer and carbon nanotube is (3~8) in the mixed liquor: (2
~7).
Further, the mass ratio of two-dimentional class graphene polymer and the carbon nanotube high molecular polymer three can be with
Chosen from the followings group:
8/2/5,8/2/10,8/2/15,8/2/20,7/3/5,7/3/10,7/3/15,7/3/20,6/4/5,6/4//10,
6/4//15,6/4//20,5/5/5,5/5/10,5/5/15,5/5/20,4/6/5,4/6/10,4/6/15,4/6/20,3/7/5,
3/7/10,3/7/15,3/7/20, it is certainly not limited to this.
The embodiment of the invention also provides the recyclable nano carbon composite materials by aforementioned any method preparation.
Further, the recyclable nano carbon composite material is flexible multi-functional compound Buckie resistant to bending
Paper, the maximum tensile strength is in 100MPa or more.
The embodiment of the invention also provides the mixed liquor for stating recyclable nano carbon composite material is used to prepare, wrap
Contain evenly dispersed carbon nanotube, two-dimentional class graphene polymer and high molecular polymer.
The restorative procedure of aforementioned recyclable multi-functional compound Buckie paper provided in an embodiment of the present invention includes: in institute
The effect for stating applied force at the breach of multi-functional compound Buckie paper makes corresponding fracture end keep splicing, and applies in stitching portion and refer to
Fixed solvent, to realize the selfreparing of the compound Buckie paper.
Further, it in the restorative procedure, can spelled after by the corresponding fracture end splicing at the breach
The place of connecing sprays, sprays, being coated with a certain amount of ground solvent, and applies certain pressure effect, makes the carbon nano tube network weight at breach
Structure, to realize the seamless reparation of breach.
Further, the solvent includes water.
Further, by aforementioned restorative procedure, treated that multi-functional compound Buckie paper still keeps original form substantially
And characteristic, such as good flexibility, bending resistance, high strength etc., and also having can selfreparing, recyclable recycling
Deng.
The folding line removing method of aforementioned recyclable multi-functional compound Buckie paper provided in an embodiment of the present invention includes:
Apply specified solvent at the folding line of the multi-functional compound Buckie paper, and application can make institute at least at the folding line
It states multi-functional compound Buckie paper and tends to smooth power, to eliminate the folding line.
Further, the folding line removing method can specifically include: in the folding line of the multi-functional compound Buckie paper
Place sprays, sprays, being coated with a certain amount of designated solvent, and by modes applied forces at the folding line such as pressings, makes described
Multi-functional compound Buckie paper tends to smooth at folding line, to eliminate the folding line.
Further, the solvent includes water.
Further, by aforementioned folding line removing method, treated that multi-functional compound Buckie paper still keeps original form
And characteristic, such as good flexibility, bending resistance, high strength etc., and also having can selfreparing, recyclable recycling
Deng.
The circulation utilization method of aforementioned recyclable nano carbon composite material provided in an embodiment of the present invention includes:
The used nano carbon composite material is immersed in designated solvent, the nano carbon composite material is disintegrated,
Form mixed liquor；And designated solvent in the mixed liquor is isolated, re-form nano carbon composite material.
In some embodiments, the circulation utilization method specifically includes: by the used Nano Carbon
Material immerses in designated solvent, and is disintegrated the nano carbon composite material by heating and/or lasting stirring, described in formation
Mixed liquor.Further, the circulation utilization method may include: the heating temperature wherein used can be it is lower,
Such as it can be 50 DEG C or so, 70 DEG C or so etc., and be lower than the vapourizing temperature of the solvent.Further, aforementionedly
In heating process, the lasting stirring to mixed system can be accompanied by, is disintegrated the nano carbon composite material quickly, and faster
Ground forms carbon nanotube and disperses more uniform mixed liquor.
Obviously, during aforementionedly being disintegrated the nano carbon composite material, the operation such as ultrasound can be also aided with.
Further, the designated solvent includes water.
Further, the circulation utilization method can also include: by filter type (such as vacuum filtration) to institute
It states mixed liquor to be handled, forms the nano carbon composite material.
Further, the circulation utilization method can also include: to remove the mixed liquor by being evaporated mode naturally
Interior designated solvent forms the nano carbon composite material.
Further, the nano carbon composite material re-formed by aforementioned circulation utilization method can still keep original spy
Property, such as the multi-functional compound Buckie paper of formation still keeps original characteristic, such as good flexibility, bending resistance, Gao Lixue
Intensity etc., and also having can selfreparing, recyclable recycling etc..
Technical solution of the present invention work is more at large illustrated below in conjunction with some more specifically examples and drawings.
Refering to Figure 1, some more specific embodiments of the invention are related to a kind of multi-functional compound Buckie paper
Preparation method may include steps of:
1) first by certain density sulfonated class graphene polymer (SGP) solution and carbon nanotube dust (CNTs) according to
Different proportion mixing, then carries out ultrasonic disperse processing (ultrasonic time for example can be in 4h or more) to the mixed solution of formation,
So that carbon nanotube is evenly dispersed under the auxiliary of sulfonated graphite vinyl polymer, to form the uniform dispersion；
2) certain density polyvinyl alcohol (PVA) solution is mixed with the uniform dispersion according to different proportion, is formed
Mixed liquor；
3) vacuum filtration processing is carried out to the mixed liquor, obtains the multi-functional compound Buckie paper.
In abovementioned steps 3) in, the mixed liquor can be also evaporated naturally, obtain the multi-functional compound Buckie paper or
In the nano carbon composite material of membranaceous, sheet, bulk etc..
Please refer to that Fig. 2 shows the formation basic theories of multi-functional compound Buckie paper a kind of in previously described embodiments of the present invention again
Figure, wherein sulfonated class graphene polymer shows the effect of Carbon nano-tube dispersant to a certain extent, with carbon nanometer
After pipe combines, it is conducive to carbon nanotube in the follow-up process in evenly dispersed in mixed system, realization high-concentration carbon nano tube dispersion
The acquisition of system；Then, PVA etc. is added in the system comprising sulfonated class graphene polymer/carbon mano-tube composite, then
It is aided with vacuum filtration, so that sulfonated class graphene polymer, carbon nanotube, polyvinyl alcohol three are combined closely, described in formation
Multi-functional compound Buckie paper.Aforementioned sulfonated class graphene polymer (SGP), carbon nanotube dust (CNTs), polyvinyl alcohol
(PVA) etc. it can be obtained from widely source, such as commercially available approach can be passed through.
Wherein, the concentration of aforementioned sulfonated class graphene polymer (SGP) solution can be suitable any concentration, such as
It can be preferably 10wt%.
Wherein, the concentration of aforementioned polyvinyl alcohol (PVA) solution can be suitable any concentration, such as can be preferably
1wt%.Wherein, aforementioned sulfonated class graphene polymer (SGP), carbon nanotube dust (CNTs), polyvinyl alcohol (PVA) three
Mass ratio can be proper ratio, such as can preferably (3~8): (2~7), more specifically, aforementioned SGP/CNTs/PVA
The mass ratio of three can be chosen from the followings group:
8/2/5,8/2/10,8/2/15,8/2/20,7/3/5,7/3/10,7/3/15,7/3/20,6/4/5,6/4//10,
6/4//15,6/4//20,5/5/5,5/5/10,5/5/15,5/5/20,4/6/5,4/6/10,4/6/15,4/6/20,3/7/5,
3/7/10,3/7/15,3/7/20。
Please refer to the photo that Fig. 3 shows the multi-functional compound Buckie paper of one kind of present invention acquisition.And this
Other multi-functional compound Buckie paper that embodiment obtains also show essentially identical form.These compound Buckie paper are flexible
, it can bend without breakage.
Fig. 4 a is please referred to again to show in previous embodiment, when SGP/CNT/PVA three's mass ratio is 7:3:10,5:5:
10, when 3:7:10,5:5:5, the mechanical experimental results of the multi-functional compound Buckie paper of formation, it can be seen that these are compound
Buckie paper all has higher mechanical strength, can reach 100MPa.And for being matched using other SGP/CNT/PVA above-mentioned
Than the compound Buckie paper of formation, is proved by identical mechanical test, also show preferable mechanical strength.
It please refers to Fig. 4 b again to show in previous embodiment, when SGP/CNT/PVA three's mass ratio is other a variety of ratios
When, the mechanical experimental results of the multi-functional compound Buckie paper of formation, it can be seen that these compound Buckie paper all have preferably
Mechanical strength.The various multi-functional compound Buckie paper that present invention obtains all have folding line selfreparing and notch certainly
Repair ability.For example, please referring to shown in 5, for common blank sheet of paper (commercially available A4 paper), folding line is in Air washer
It is still that obviously, cannot be completely eliminated substantially and after accompanying by pressing.
Likewise, referring to Fig. 5, any compound Buckie pattern product for present invention, are forming
It, only need to be in Air washer at folding line and after accompanying by slight pressing after folding line, folding line can be basically eliminated.
Again referring to Fig. 5, any compound Buckie pattern product for present invention, if in its any position
Notch is formed, then after need to only splicing the corresponding fracture end of incision, sprays a certain amount of deionized water in stitching portion, and continue
Press one end time, notch can self-heal, and do not leave cut mark substantially.To formed notch before compound Buckie pattern product,
The mechanical strength of compound Buckie pattern product after reparation is tested respectively, as shown in fig.6, it can be found that its mechanical strength
It remains to preferably keep (original mechanical strength can be restored to 70% or so).
In addition, obtaining each compound Buckie pattern product for previous embodiment, can also recycle.For example, continuing with
As shown in fig.1, used compound Buckie paper can be soaked into deionized water, later about 50 DEG C of temperature (preferably
70 DEG C or so) at a temperature of 4~5h of agitating solution, compound Buckie paper can be dissolved, it is then that the mixed liquor of formation is true again
Empty pump filter, can re-form compound Buckie paper.These compound Buckie paper produced again can still keep original every characteristic.
Likewise, the nano carbon composite material for other forms that previous embodiment is obtained is also using substantially similar way
It recycles.In other embodiments of the invention, sulfonated class above-mentioned is substituted using Carboxylation class graphene polymer
Graphene polymer, and polyvinyl alcohol above-mentioned is substituted using polyethylene glycol, aqueous polyurethane etc., it can also be made with similar
The compound Buckie paper of performance or other nano carbon composite materials.
It should be noted that each technical characteristic of embodiment described above can be combined arbitrarily, to make description letter
Clean, combination not all possible to each technical characteristic in above-described embodiment is all described, as long as however, these technologies are special
Contradiction is not present in the combination of sign, 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 recyclable nano carbon composite material, characterized by comprising:
More carbon nanotubes intensively interweave the two dimension or three-dimensional aggregate structure of formation；
It is distributed in the two dimension or two-dimentional class graphene polymer and high molecular polymer in three-dimensional aggregate structure.
2. nano carbon composite material according to claim 1, it is characterised in that: it is described two dimension class graphene polymer include
Sulfonated class graphene polymer or Carboxylation class graphene polymer；And/or the high molecular polymer is selected from high water solubility
Molecularly Imprinted Polymer；Preferably, the high molecular polymer includes polyvinyl alcohol, polyethylene glycol or aqueous polyurethane；And/or
The mass ratio of middle two dimension class graphene polymer and carbon nanotube is (3~8): (2~7)；And/or the Nano Carbon material
Material is flexible multi-functional compound Buckie paper resistant to bending.
3. a kind of preparation method of recyclable nano carbon composite material, characterized by comprising:
Offer includes the mixed liquor of evenly dispersed carbon nanotube, two-dimentional class graphene polymer and high molecular polymer；
The solvent in the mixed liquor is isolated, the nano carbon composite material is formed.
4. preparation method according to claim 3, characterized by comprising:
Carbon nanotube is dispersed in the solution of two-dimentional class graphene polymer, forms uniform dispersion；
High molecular polymer is dissolved in the uniform dispersion, forms the mixed liquor；
Preferably, the solvent in the mixed liquor includes water；And/or the two-dimentional class graphene polymer includes sulfonated class
Graphene polymer or Carboxylation class graphene polymer；And/or the high molecular polymer polymerize selected from water soluble polymer
Object；Preferably, the high molecular polymer includes polyvinyl alcohol, polyethylene glycol or aqueous polyurethane；And/or the mixed liquor
The mass ratio of middle two dimension class graphene polymer and carbon nanotube is (3~8): (2~7).
5. the preparation method according to claim 4, characterized by comprising: carried out by filter type to the mixed liquor
Processing, forms the nano carbon composite material；Alternatively, removing solvent in the mixed liquor by being evaporated mode naturally, formed
The nano carbon composite material.
6. the recyclable nano carbon composite material prepared by any one of claim 3-5 the method；Preferably, institute
Stating nano carbon composite material is flexible multi-functional compound Buckie paper resistant to bending；Preferably, the multi-functional compound Buckie paper
The maximum tensile strength is in 100MPa or more.
7. being used to prepare the mixed liquor of nano carbon composite material recyclable described in claim requirement 1,2 or 6, packet
Contain evenly dispersed carbon nanotube, two-dimentional class graphene polymer and high molecular polymer.
8. the restorative procedure of multi-functional compound Buckie paper as described in claim requires 1,2 or 6, characterized by comprising: in institute
The effect for stating applied force at the breach of multi-functional compound Buckie paper makes corresponding fracture end keep splicing, and applies in stitching portion and refer to
Fixed solvent, to realize the selfreparing of the compound Buckie paper；Preferably, the solvent includes water.
9. the folding line removing method of multi-functional compound Buckie paper as described in claim requires 1,2 or 6, characterized by comprising:
Apply specified solvent at the folding line of the multi-functional compound Buckie paper, and application can make institute at least at the folding line
It states multi-functional compound Buckie paper and tends to smooth power, to eliminate the folding line；Preferably, the solvent includes water.
10. the circulation utilization method for the nano carbon composite material that can be recycled as described in claim requires 1,2 or 6, special
Sign is to include: to immerse the used nano carbon composite material in designated solvent, collapses the nano carbon composite material
Solution forms mixed liquor；And designated solvent in the mixed liquor is isolated, re-form nano carbon composite material；
Preferably, the circulation utilization method includes: to immerse the used nano carbon composite material in designated solvent,
And the nano carbon composite material is disintegrated by heating and/or lasting stirring, form the mixed liquor；Preferably, institute
The designated solvent stated includes water；And/or the mixed liquor is handled by filter type, form the Nano Carbon
Material；Alternatively, removing designated solvent in the mixed liquor by being evaporated mode naturally, the nano carbon composite material is formed.
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