CN107601460A - A kind of carbon nanotube product and preparation method thereof - Google Patents
A kind of carbon nanotube product and preparation method thereof Download PDFInfo
- Publication number
- CN107601460A CN107601460A CN201711066679.4A CN201711066679A CN107601460A CN 107601460 A CN107601460 A CN 107601460A CN 201711066679 A CN201711066679 A CN 201711066679A CN 107601460 A CN107601460 A CN 107601460A
- Authority
- CN
- China
- Prior art keywords
- cnt
- preparation
- carbon nanotube
- length
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention provides a kind of carbon nanotube product and preparation method thereof, the preparation method technique of CNT of the present invention is simple, hydrogen is not used as carrier gas, CNT is directly prepared using long flat-temperature zone reaction unit, prepared by the safe magnanimity for effectively realizing the long double-walled carbon nano-tube of high quality, high-purity, efficiently solve related art method and prepare quality existing for CNT, length, purity three method while take into account this Science and Technology problem.Carbon nanotube product purity of the present invention is high, quality is high, length length, has the characteristics such as excellent electric conductivity, high resiliency, high intensity, it is expected to be applied in the device such as ultra high strength fiber, transparent conductive film, high frequency lead, film transistor device, enhancing composite and material.
Description
Technical field
The present invention relates to carbon nanotube preparation technology field, in particular to a kind of carbon nanotube product and its preparation
Method.
Background technology
Japanese Electronic Speculum expert Iijima observes CNT in the graphite electrode that vacuum arc is evaporated since 1991
(CNTs) since, CNTs is just because its unique structure and excellent performance cause different research field brainstrusts in world wide
Broad interest.Theoretical and experimental study shows that CNTs density is only the 1/6 of steel, but its tensile strength can but surmount
100GPa, elongation at break is up to 15%-20%, and stretch modulus is up to 1Tpa.
But want to give full play to the above-mentioned superior function of CNT, it is necessary to assemble them into macrostructure, such as fiber
Deng.The preparation method of the current carbon nano-tube fibre developed mainly has solution spinning, array carbon nanotube to reel off raw silk from cocoons method and floating
CVD (chemical vapor deposition) direct spinning.Solution spinning is that CNT is dispersed into certain density equal first
Even solution, conventional solution spining technology is then simulated, silk is injected into obtain by liquid phase, shown with this obtained carbon nano-tube fibre
Higher toughness is shown, but intensity is very poor (0.1GPa).Array reel off raw silk from cocoons the method highest list beam intensity hitherto reached also only
There is 3.3GPa.The earliest developer of floating CVD direct spinnings is the Windle groups of univ cambridge uk, and the group is
Through obtaining the CNT-Fs that intensity is 8.8GPa, and the method is the side that most technical scale prepares carbon nano-tube fibre potentiality
Method.Nonetheless, still differed greatly compared with the intensity of single-root carbon nano-tube.
To find out its cause, in solution spinning and CNT prepared by orthogonal array spin processes containing it is a large amount of the defects of and
Catalyst impurities, the CNT defect prepared by floating CVD direct spinnings is controllable more less, but its unit
Length is short and catalyst impurities are still to limit it to be assembled into the huge obstacle of macroscopic fibres intensity more, floating in correlation technique
The length of trip CNT often rests on several micron levels, and the content of impurity is often even more more 10% or so.In addition,
Prepared CNT defect is less often to be realized using hydrogen in correlation technique, makes it directly continuous in the environment
The danger of collection dramatically increases.At present, ultra-high purity, the length of high quality directly can not largely be prepared in correlation technique
CNT.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of preparation method of CNT, and this method technique is simple, effectively real
It is prepared by the safe magnanimity for having showed the long double-walled carbon nano-tube of high quality, high-purity.
The second object of the present invention is to provide the carbon that a kind of preparation method using above-mentioned CNT is prepared
Nanotube product, described carbon nanotube product purity is high, and quality is high, length length.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of preparation method of CNT, with the one or more in inert gas and nitrogen for carrier gas, using constant temperature
Section length is that more than 1m reaction unit prepares CNT.
Alternatively, the constant temperature section length is more than 2m, preferably 2-10m.
The preparation method technique of CNT of the present invention is simple, does not use hydrogen to be reacted as carrier gas using long flat-temperature zone
Device directly prepares CNT, and prepared by the safe magnanimity for effectively realizing the long double-walled carbon nano-tube of high quality, high-purity, effectively
Solve related art method to prepare quality existing for CNT, length, purity three method while take into account this science and skill
Art problem.
Alternatively, the preparation method of the CNT, comprises the following steps：
A. under carrier gas protection, reaction unit flat-temperature zone is heated up, regulation carrier gas flux is passed through carbon source to analog value；
B. catalyst precursor and growth promoter heat resolve are formed into catalyst granules, into reaction unit flat-temperature zone
Reaction obtains CNT.
Alternatively, the catalyst precursor includes the one or more in the organic compound of volatile metal, preferably wraps
Include the one or more in ferrocene, dicyclopentadienyl nickel and cobaltocene.
Alternatively, the volatilization temperature of the catalyst precursor is 50-150 DEG C, preferably 60-90 DEG C.
Alternatively, the growth promoter includes the one or more in sulphur-containing substance, and preferably including sulphur powder and sulfur-bearing has
One or more in machine thing.
Alternatively, the mass ratio of the catalyst precursor and growth promoter is 100-500：1, preferably 200-300：
1。
Alternatively, the carbon source includes the one or more in organic compound, preferably methane.
Alternatively, the flow of the carbon source is 0.5-50mL/min, preferably 1-10mL/min.
Alternatively, the reaction unit flat-temperature zone is warming up to 900-1200 DEG C, preferably 1000-1100 DEG C；
Alternatively, the flow velocity of the carrier gas is 3.5-70cm/min, preferably 35-43cm/min.
The carbon nanotube product being prepared using a kind of preparation method of above-mentioned CNT.
Alternatively, the carbon nanotube product includes double-walled carbon nano-tube fiber and/or carbon nano-tube film.
Carbon nanotube product purity of the present invention is high, and quality is high, length length, has excellent electric conductivity, high resiliency, high intensity
Etc. characteristic, it is expected in ultra high strength fiber, the device such as transparent conductive film, high frequency lead, film transistor device, enhancing composite
Applied with material.
Compared with prior art, beneficial effects of the present invention are：
The preparation method technique of CNT of the present invention is simple, does not use hydrogen to be reacted as carrier gas using long flat-temperature zone
Device directly prepares CNT, and prepared by the safe magnanimity for effectively realizing the long double-walled carbon nano-tube of high quality, high-purity, effectively
Solve related art method to prepare quality existing for CNT, length, purity three method while take into account this science and skill
Art problem.Carbon nanotube product purity of the present invention is high, and quality is high, length length, has excellent electric conductivity, high resiliency, high intensity
Etc. characteristic, it is expected in ultra high strength fiber, the device such as transparent conductive film, high frequency lead, film transistor device, enhancing composite
Applied with material.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 and Fig. 2 is respectively the scanning electron microscope (SEM) photograph under the different visual fields of the gained carbon nanotube product of the embodiment of the present invention 1
Piece.
Fig. 3 is the transmission electron microscope picture of the gained carbon nanotube product of the embodiment of the present invention 1.
Fig. 4 is the thermogravimetric curve of the gained carbon nanotube product of the embodiment of the present invention 1.
Fig. 5 is the laser Raman spectrum of the gained carbon nanotube product of the embodiment of the present invention 1.
Fig. 6 is the transmission electron microscope picture of the gained carbon nanotube product of the embodiment of the present invention 2.
Fig. 7 is the transmission electron microscope picture of the gained carbon nanotube product of the embodiment of the present invention 3.
Fig. 8 is the transmission electron microscope picture of the gained carbon nanotube product of the embodiment of the present invention 4.
Embodiment
Technical scheme is clearly and completely described below in conjunction with the drawings and specific embodiments, but
Be it will be understood to those of skill in the art that following described embodiment is part of the embodiment of the present invention, it is rather than whole
Embodiment, the present invention is merely to illustrate, and is not construed as limiting the scope of the present invention.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present invention
The scope of shield.Unreceipted actual conditions person in embodiment, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same
Or the unreceipted production firm person of instrument, it is the conventional products that can be obtained by commercially available purchase.
A kind of preparation method of CNT, with the one or more in inert gas and nitrogen for carrier gas, using constant temperature
Section length is that more than 1m reaction unit prepares CNT.
In a kind of preferred embodiment of the present invention, the constant temperature section length is more than 2m, preferably 2-10m.
The preparation method technique of CNT of the present invention is simple, does not use hydrogen to be reacted as carrier gas using long flat-temperature zone
Device directly prepares CNT, and prepared by the safe magnanimity for effectively realizing the long double-walled carbon nano-tube of high quality, high-purity, effectively
Solve related art method to prepare quality existing for CNT, length, purity three method while take into account this science and skill
Art problem.
In a kind of preferred embodiment of the present invention, the preparation method of the CNT, comprise the following steps：
A. under carrier gas protection, reaction unit flat-temperature zone is heated up, regulation carrier gas flux is passed through carbon source to analog value；
B. catalyst precursor and growth promoter heat resolve are formed into catalyst granules, into reaction unit flat-temperature zone
Reaction obtains CNT.
The CNT grown flows out reaction unit flat-temperature zone under airflow function, low-temperature space is flowed to, in reaction unit
End is deposited or blown out with mist form, can carry out continuous controllable appearance collection.
In a kind of preferred embodiment of the present invention, the catalyst precursor includes volatile metal organic compound
One or more in thing, preferably include the one or more in ferrocene, dicyclopentadienyl nickel and cobaltocene.
Using special catalyst presoma, the generation of CNT is helped lend some impetus to, improves gained carbon nanotube product
Purity, crystallinity and length.
In a kind of preferred embodiment of the present invention, the volatilization temperature of the catalyst precursor is 50-150 DEG C,
Preferably 60-90 DEG C.
Using special catalyst presoma volatilization temperature, the catalyst granules of specified particle diameter scope can be obtained, further
Effectively purity, crystallinity and the length of control gained carbon nanotube product.
In a kind of preferred embodiment of the present invention, the growth promoter includes one kind or more in sulphur-containing substance
Kind, preferably include the one or more in sulphur powder and sulfurous organic compound.
Using particular growth accelerator, the growth of CNT is helped lend some impetus to, improves the pure of gained carbon nanotube product
Degree, crystallinity and length.
In a kind of preferred embodiment of the present invention, the mass ratio of the catalyst precursor and growth promoter is
100-500：1, preferably 200-300：1.
Gained CNT production can further be improved using the mass ratio of special catalyst presoma and growth promoter
Purity, crystallinity and the length of product.
During real reaction, the amount of catalyst precursor and growth promoter in reaction unit flat-temperature zone should be with
The amount of carbon source matches, and avoids generating the impurity such as amorphous carbon.In addition, catalyst precursor in reaction unit flat-temperature zone and
The amount of growth promoter is influenceed by volatilization temperature, and with being actually added to catalyst precursor and the growth of reaction unit low-temperature space
Accelerator total amount is unrelated, and in practical operation, catalyst precursor and growth promoter can disposably be excessively added to reaction unit
Low-temperature space, continuous several times use.
In a kind of preferred embodiment of the present invention, the carbon source includes the one or more in organic compound,
Preferably methane.
Using specific carbon source, help that purity height is prepared, impurity content is low, and crystallinity is high, the carbon nanometer of length length
Pipe product.
In a kind of preferred embodiment of the present invention, the flow of the carbon source is 0.5-50mL/min, preferably 1-
10mL/min。
Using particular carbon source flux, help lend some impetus to carbon source and uniformly fully react, obtain purity height, impurity content is low, knot
Brilliant degree is high, the carbon nanotube product of length length.
In a kind of preferred embodiment of the present invention, the reaction unit flat-temperature zone is warming up to 900-1200 DEG C, excellent
Elect 1000-1100 DEG C as；
Using specific reaction unit flat-temperature zone temperature, help to control the oriented growth of CNT, can further have
Effect improves purity, crystallinity and the length of gained carbon nanotube product.
In a kind of preferred embodiment of the present invention, the flow velocity of the carrier gas is 3.5-70cm/min, preferably 35-
43cm/min。
Using specific flow rate of carrier gas, it can further coordinate the reaction unit of length-specific flat-temperature zone, can further control
The growth of catalyst, growth promoter and carbon source processed in the residence time of reaction unit flat-temperature zone, further control CNT
Situation, obtain the carbon nanotube product that purity is high, crystallinity is high and length is grown.
The inventive method prepares high-purity, and high-crystallinity, the premise of long CNT is strict control catalyst, growth rush
Enter the proportioning and supply of agent, to realize that catalyst efficient catalytic grows CNT, and avoid carbonaceous accessory substance and without fixed
The generation of shape charcoal coated catalysts.Want the longer of carbon nano tube growth simultaneously, then need to ensure the sufficiently long residence time.This
The flat-temperature zone of reactor is required to want long enough just can be with.Want the security of raising production process, then need to avoid hydrogen
Use.
The carbon nanotube product being prepared using a kind of preparation method of above-mentioned CNT.
In a kind of preferred embodiment of the present invention, the carbon nanotube product includes double-walled carbon nano-tube fiber
And/or carbon nano-tube film.
Carbon nanotube product purity of the present invention is high, and quality is high, length length, has excellent electric conductivity, high resiliency, high intensity
Etc. characteristic, it is expected in ultra high strength fiber, the device such as transparent conductive film, high frequency lead, film transistor device, enhancing composite
Applied with material.
The preparation method of CNT of the present invention, it can carry out in accordance with the following steps：
1st, under carrier gas protection, reaction unit flat-temperature zone temperature is first risen into required temperature, regulation carrier gas flux is to corresponding
Value, and it is passed through carbon source；
2nd, catalyst precursor and growth promoter are heated, presoma is being urged through being decomposed to form catalyst granules, carbon source
Simple substance carbon is decomposed under agent catalysis, under growth promoter effect, separates out double-walled carbon nano-tube on a catalyst, it is substantial amounts of double
Wall carbon nano tube forms aerosol outflow reaction zone under carrier gas stream effect；
3rd, collection device is set in reaction unit tail end, obtains double-walled carbon nano-tube fiber or carbon nano-tube film.
Embodiment 1
A kind of preparation method of CNT, comprises the following steps：
By the mixture containing ferrocene and sulphur powder, (weight of ferrocene and sulphur powder ratio is 200:1), it is positioned over chemical gas
Low-temperature space in phase cvd furnace, it is with 25 DEG C/min speed that chemical vapor deposition stove is permanent under 7cm/min argon atmosphere
Warm area (length 1.5m) temperature is raised to 1100 DEG C.It is 35cm/min by the Flow-rate adjustment of argon gas after temperature stabilization, and simultaneously
It is passed through methane, methane flow 1mL/min.After throughput is stable, catalyst precursor is heated into 50 DEG C makes its distillation.
At this moment, it can be seen that continuous carbon nanotube aerogel is formed in reactor and flows out high-temperature region with carrier gas, is collected in endpiece.
Embodiment 2
A kind of preparation method of CNT, comprises the following steps：
By the mixture containing cobaltocene and sulphur powder, (weight of cobaltocene and sulphur powder ratio is 100:1), it is positioned over chemical gas
Low-temperature space in phase cvd furnace, it is with 25 DEG C/min speed that chemical vapor deposition stove is permanent under 7cm/min argon atmosphere
Warm area (length 10m) temperature is raised to 900 DEG C.After temperature stabilization, the flow velocity of argon gas is adjusted to 70cm/min, and lead to simultaneously
Enter methane, methane flow 10mL/min.After throughput is stable, catalyst precursor is heated into 60 DEG C makes its distillation.
At this moment, it can be seen that continuous carbon nanotube aerogel is formed in reactor and flows out high-temperature region with carrier gas, is collected in endpiece.
Embodiment 3
A kind of preparation method of CNT, comprises the following steps：
By the mixture containing dicyclopentadienyl nickel and sulphur powder, (weight of dicyclopentadienyl nickel and sulphur powder ratio is 500:1), it is positioned over chemical gas
Low-temperature space in phase cvd furnace, it is with 25 DEG C/min speed that chemical vapor deposition stove is permanent under 7cm/min argon atmosphere
Warm area (length 1m) temperature is raised to 1200 DEG C.After temperature stabilization, the flow velocity of argon gas is adjusted to 43cm/min, and lead to simultaneously
Enter methane, methane flow 50mL/min.After throughput is stable, catalyst precursor is heated into 90 DEG C makes its distillation.
At this moment, it can be seen that continuous carbon nanotube aerogel is formed in reactor and flows out high-temperature region with carrier gas, is collected in endpiece.
Embodiment 4
A kind of preparation method of CNT, comprises the following steps：
By the mixture containing ferrocene and sulphur powder, (weight of ferrocene and sulphur powder ratio is 300:1), it is positioned over chemical gas
Low-temperature space in phase cvd furnace, it is with 25 DEG C/min speed that chemical vapor deposition stove is permanent under 7cm/min argon atmosphere
Warm area (length 2m) temperature is raised to 1000 DEG C.After temperature stabilization, the flow velocity of argon gas is adjusted to 3.5cm/min, and simultaneously
It is passed through methane, methane flow 0.5mL/min.After throughput is stable, catalyst precursor is heated into 150 DEG C makes its liter
China.At this moment, it can be seen that continuous carbon nanotube aerogel is formed in reactor and flows out high-temperature region with carrier gas, is received in endpiece
Collection.
Using in product obtained by the inventive method, the characterization technique of evaluation double-walled carbon nano-tube high quality is Raman spectrum
Middle G moulds and the ratio of D mould intensity, the G/D ratios of double-walled carbon nano-tube primary sample are more than 100, and the G/D ratios of general CNT are
Less than 70.
Using in product obtained by the inventive method, the characterization technique for evaluating double-walled carbon nano-tube high quality and high-purity is
Thermogravimetric/differential thermal analysis, highest oxidation resistance temperature refer to the concentration oxidizing temperature of sample, the highest of double-walled carbon nano-tube primary sample
Anti-oxidant temperature can reach 800 DEG C.Generally, the oxidation resistance temperature of double-walled carbon nano-tube is 450-550 DEG C.Double wall carbon nano-tubes
The non-carbon impurity content of pipe primary sample is almost 0.Because double-walled carbon nano-tube generates CNT airsetting under airflow function
Glue can flow continually out reaction zone, be produced on a large scale.
Using in product obtained by the inventive method, the characterization technique of evaluation double-walled carbon nano-tube length shows for scanning electron
Micro mirror.The joint length of double-walled carbon nano-tube primary sample can surmount 200 microns, and the length of general CNT is only several
Micron.
By taking the gained carbon nanotube product sample (being designated as 1#) of the embodiment of the present invention 1 as an example, Electronic Speculum, transmission are scanned respectively
Electronic Speculum, Raman spectrum and thermogravimetric analysis are characterized, and as depicted in figs. 1 and 2, carbon nano-tube fibre can be wound up as stereoscan photograph
Linear or twisted shape, it can be seen that the carbon nano tube surface for forming fiber is pure under high power, no catalyst impurities, carbon nanometer
The length of pipe reaches more than 200 μm.Transmission electron microscope results are as shown in Figure 3, and it is double-walled carbon nano-tube to show it.According to thermogravimetric curve
It can be calculated (Fig. 4), non-carbon impurity content is almost 0, and the concentration oxidizing temperature of the sample is 810 DEG C.Laser Raman spectrum
(Fig. 5) shows, characterizes that the G mould intensity of crystallization degree is very high, and D moulds are almost invisible, G/D intensity ratio up to 107.In addition, to this
Carbon nanotube product sample obtained by inventive embodiments 2-4 carries out above-mentioned test respectively, can also obtain similar results.
The preparation method of CNT of the present invention proposes to exempt from hydrogen first, and overlength flat-temperature zone method realizes high-purity, Gao Jie
Brilliant degree, the safe magnanimity of long double-walled carbon nano-tube are continuously prepared, and breach carbon nanotube mass in correlation technique, purity, length
Three is difficult to the scientific and technical problem taken into account.
The purity that the preparation method of CNT of the present invention is developed, high-crystallinity, long double-walled carbon nano-tube preparation method
There is safety, simple, cost is low, yield is big, is easy to scale, there is good prospects for commercial application.
The length of original double-walled carbon nano-tube sample prepared by the preparation method of CNT of the present invention can reach 200 μm
More than, Raman G/D ratios reach more than 100, and non-carbon impurity mass ratio is almost 0 in product, concentrate oxidizing temperature reach 800 DEG C with
On.This crystallinity is high, the single-walled carbon nanotube that fault of construction is few, purity is high has excellent electric conductivity, high resiliency, high intensity
Etc. characteristic, it is expected in ultra high strength fiber, the device such as transparent conductive film, high frequency lead, film transistor device, enhancing composite
Applied with material.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that various embodiments above is only used
To illustrate technical scheme, rather than its limitations；It will be understood by those within the art that：Without departing substantially from this hair
In the case of bright spirit and scope, the technical scheme described in foregoing embodiments can be modified, or to wherein
Some or all of technical characteristic carries out equivalent substitution；And these are changed or are replaced, the essence of appropriate technical solution is not made
Depart from the scope of various embodiments of the present invention technical scheme；It is, therefore, intended that include belonging to the present invention in the following claims
In the range of all these substitutions and modifications.
Claims (10)
- A kind of 1. preparation method of CNT, it is characterised in that with the one or more in inert gas and nitrogen for carrier gas, Constant temperature section length is used to prepare CNT for more than 1m reaction unit；Alternatively, the constant temperature section length is more than 2m, preferably 2-10m.
- 2. the preparation method of a kind of CNT according to claim 1, it is characterised in that comprise the following steps：A. under carrier gas protection, reaction unit flat-temperature zone is heated up, regulation carrier gas flux is passed through carbon source to analog value；B. catalyst precursor and growth promoter heat resolve are formed into catalyst granules, reacted into reaction unit flat-temperature zone Obtain CNT.
- A kind of 3. preparation method of CNT according to claim 2, it is characterised in that the catalyst precursor bag Include the one or more in the organic compound of volatile metal, preferably include one kind in ferrocene, dicyclopentadienyl nickel and cobaltocene or It is a variety of.
- 4. the preparation method of a kind of CNT according to claim 2, it is characterised in that the catalyst precursor Volatilization temperature is 50-150 DEG C, preferably 60-90 DEG C.
- 5. the preparation method of a kind of CNT according to claim 2, it is characterised in that the growth promoter includes One or more in sulphur-containing substance, preferably include the one or more in sulphur powder and sulfurous organic compound.
- 6. according to a kind of preparation method of any described CNTs of claim 2-5, it is characterised in that before the catalyst The mass ratio for driving body and growth promoter is 100-500：1, preferably 200-300：1.
- 7. the preparation method of a kind of CNT according to claim 2, it is characterised in that the carbon source includes organising One or more in compound, preferably methane.
- 8. the preparation method of a kind of CNT according to claim 2, it is characterised in that the flow of the carbon source is 0.5-50mL/min, preferably 1-10mL/min.
- 9. the preparation method of a kind of CNT according to claim 1 or 2, it is characterised in that the reaction unit is permanent Temperature-raising region temperature raising is to 900-1200 DEG C, preferably 1000-1100 DEG C；Alternatively, the flow velocity of the carrier gas is 3.5-70cm/min, preferably 35-43cm/min.
- 10. the carbon nanotube product being prepared using a kind of preparation method of any described CNTs of claim 1-9；Alternatively, the carbon nanotube product includes double-walled carbon nano-tube fiber and/or carbon nano-tube film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066679.4A CN107601460A (en) | 2017-11-02 | 2017-11-02 | A kind of carbon nanotube product and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066679.4A CN107601460A (en) | 2017-11-02 | 2017-11-02 | A kind of carbon nanotube product and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107601460A true CN107601460A (en) | 2018-01-19 |
Family
ID=61085312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711066679.4A Pending CN107601460A (en) | 2017-11-02 | 2017-11-02 | A kind of carbon nanotube product and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107601460A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470489A (en) * | 2019-11-05 | 2020-07-31 | 中山大学 | Conversion method for converting single-wall carbon nanotube into double-wall carbon nanotube |
| CN113226985A (en) * | 2018-12-27 | 2021-08-06 | 住友电气工业株式会社 | Carbon nanotube assembly line, carbon nanotube assembly line bundle, and carbon nanotube structure |
| CN114014297A (en) * | 2021-11-08 | 2022-02-08 | 清华大学 | Carbon nanotube ring and preparation method thereof |
| CN115650210A (en) * | 2022-09-26 | 2023-01-31 | 江门道氏新能源材料有限公司 | Preparation method and application of single/double-wall carbon nano tube |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922310A (en) * | 2014-04-09 | 2014-07-16 | 中国科学院金属研究所 | Method and device for low-temperature gas-phase macro growth of high-quality straight carbon nanotube |
-
2017
- 2017-11-02 CN CN201711066679.4A patent/CN107601460A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922310A (en) * | 2014-04-09 | 2014-07-16 | 中国科学院金属研究所 | Method and device for low-temperature gas-phase macro growth of high-quality straight carbon nanotube |
Non-Patent Citations (1)
| Title |
|---|
| 唐文华等: "载气种类对单壁碳纳米管管径的影响研究", 《功能材料》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113226985A (en) * | 2018-12-27 | 2021-08-06 | 住友电气工业株式会社 | Carbon nanotube assembly line, carbon nanotube assembly line bundle, and carbon nanotube structure |
| CN113226985B (en) * | 2018-12-27 | 2024-03-29 | 住友电气工业株式会社 | Carbon nanotube assembly line, carbon nanotube assembly line bundle, and carbon nanotube structure |
| CN111470489A (en) * | 2019-11-05 | 2020-07-31 | 中山大学 | Conversion method for converting single-wall carbon nanotube into double-wall carbon nanotube |
| CN114014297A (en) * | 2021-11-08 | 2022-02-08 | 清华大学 | Carbon nanotube ring and preparation method thereof |
| CN114014297B (en) * | 2021-11-08 | 2023-04-14 | 清华大学 | Carbon nanotube ring and preparation method thereof |
| CN115650210A (en) * | 2022-09-26 | 2023-01-31 | 江门道氏新能源材料有限公司 | Preparation method and application of single/double-wall carbon nano tube |
| CN115650210B (en) * | 2022-09-26 | 2024-03-26 | 江门市昊鑫新能源有限公司 | Preparation method and application of single/double-wall carbon nano tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101718784B1 (en) | Apparatus for manufacturing high purity and high density carbon nanotube fiber | |
| JP6339742B2 (en) | Carbon nanotube fiber manufacturing equipment | |
| CN104760946B (en) | A kind of method that mixed gaseous carbon source prepares SWCN fiber | |
| CN107601460A (en) | A kind of carbon nanotube product and preparation method thereof | |
| KR102133624B1 (en) | Method for manufacturing cnt fiber aggregates | |
| KR101956153B1 (en) | Method for Fabricating Yarn Comprising Carbon Nano Tube and Yarn Fabricated Thereby | |
| Luo et al. | Solvothermal preparation of amorphous carbon nanotubes and Fe/C coaxial nanocables from sulfur, ferrocene, and benzene | |
| Motta et al. | The parameter space for the direct spinning of fibres and films of carbon nanotubes | |
| Inoue et al. | The critical role of the forest morphology for dry drawability of few-walled carbon nanotubes | |
| Wu et al. | One-step synthesis of hierarchical metal oxide nanosheet/carbon nanotube composites by chemical vapor deposition | |
| Huang et al. | The release of free standing vertically-aligned carbon nanotube arrays from a substrate using CO2 oxidation | |
| Liao et al. | Aerosol synthesis of single-walled carbon nanotubes by tuning feeding flow configuration for transparent conducting films | |
| Bai et al. | Effects of temperature and catalyst concentration on the growth of aligned carbon nanotubes | |
| KR102176630B1 (en) | Method for preparing single-walled carbon nanotube fiber | |
| Sundaram et al. | Effect of carbon precursors on the structure and properties of continuously spun carbon nanotube fibers | |
| Bhattacharjee et al. | Chemical vapour deposition (CVD) technique and the synthesis of carbon nanomaterials (CNMs) | |
| KR102678204B1 (en) | Method for manufacturing carbon nanotube fibers with improved tensile strength | |
| KR102385732B1 (en) | Method for improving tensile strength of carbon nanotube fiber | |
| CN110878433B (en) | Method for continuously preparing metal type single-walled carbon nanotube fiber | |
| KR102377862B1 (en) | High density and high strength carbon nanotube fibers and evaluating method therof | |
| CN109311673B (en) | Method for preparing single-walled carbon nanotube fiber aggregate | |
| Luo et al. | Synthesis of High‐Quality Carbon Nanotube Arrays without the Assistance of Water | |
| KR101883034B1 (en) | Process for preparing carbon nanotube fiber | |
| KR101415228B1 (en) | Synthesizing method of 1-dimensional carbon nano fiber | |
| KR102374128B1 (en) | Carbon nanotube fiber and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
|
| RJ01 | Rejection of invention patent application after publication |