[go: up one dir, main page]

WO2015163595A1 - Procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche - Google Patents

Procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche Download PDF

Info

Publication number
WO2015163595A1
WO2015163595A1 PCT/KR2015/003158 KR2015003158W WO2015163595A1 WO 2015163595 A1 WO2015163595 A1 WO 2015163595A1 KR 2015003158 W KR2015003158 W KR 2015003158W WO 2015163595 A1 WO2015163595 A1 WO 2015163595A1
Authority
WO
WIPO (PCT)
Prior art keywords
graphene
nanocarbon
assembly
polyamine
carbon
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.)
Ceased
Application number
PCT/KR2015/003158
Other languages
English (en)
Korean (ko)
Inventor
박종래
김연승
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SNU R&DB Foundation
Original Assignee
SNU R&DB Foundation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SNU R&DB Foundation filed Critical SNU R&DB Foundation
Publication of WO2015163595A1 publication Critical patent/WO2015163595A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like

Definitions

  • the present invention relates to a graphene-based nanocarbon fiber manufacturing method using interlayer self-assembly, more specifically graphene and graphene-based graphene nanoribbon, carbon nanotubes including nanocarbon and polyamine molecules It relates to a method for producing nanocarbon fibers using miracle attraction.
  • Nano carbon including graphene and carbon nanotubes
  • Such excellent nano carbon properties are currently realized in carbon nanotubes and graphene in molecular units using chemical vapor deposition, but due to the difficulty in realizing large-area and large-scale synthesis and uniform nanocarbon crystal structure in bulk units, Excellent characteristics are not effectively expressed.
  • nanocarbon fiber spinning technology has been spotlighted as a technology capable of maximizing the electrical and thermal properties as well as the mechanical properties of nanocarbon by maximizing the orientation and interaction of graphene layers.
  • the fiberization of nanocarbon can be realized by spinning in a coagulation bath which can generally reduce the repulsive force between the nanocarbon dispersion graphene layers to linearly aggregate the nanocarbon.
  • the graphene fibers of the nano carbon fiber is a positively charged molecule (CTAB) or [Sci. Rep. 2012, 2, 613.] Polymers (chitosan) [Adv. Func. Mater. 2013, 23, 5345.), high concentration of salt (CaCl2) (Adv. Mater. 2013, 25, 188.), weak reducing agent (NaOH) [Nat. Comm. 2011, 2, 571.] using a coagulation bath in which a flocculant is dissolved, or adjusting the environment of the coagulation bath temperature, pH, etc. Comm. 2011, 47, 8650.].
  • CTAB positively charged molecule
  • an object of the present invention is to provide a nanocarbon fiber having excellent mechanical and electrical properties through self-assembly and reduction through a polyamine crosslinking rule and a method for quickly and simply manufacturing the same.
  • Another problem to be solved by the present invention is to provide a method that can reduce the production process and the resulting cost, and can easily control the physical properties of the nano-carbon fibers.
  • graphene-based nanocarbon fiber manufacturing method using an interlayer self-assembly providing a nano-carbon oxide, and the nano-carbon oxide dispersion containing polyamine Spinning into a coagulation bath to produce oxidized nanocarbon gel fibers crosslinked with the polyamine.
  • the method may further include preparing the oxide nanocarbon fiber by washing and drying the oxide nanocarbon gel fiber.
  • the method may further include reducing the oxidized nanocarbon fiber.
  • the nano carbon oxide may include one of carbon nanotube oxide, graphene oxide, and graphene oxide nanoribbons.
  • the dispersion of nano carbon oxide is distilled water, dimethylformamide (N, N dimethylforamide), methanol (methanol), ethanol (ethyleneol), ethylene glycol (ethyleneglycol), n-butanol, tert- butyl alcohol (tert polyamine, including one of -butylalchole, isopropyl alchol, n-propanol, n-propanol, ethyl acetate, dimethyl sulfoxide, tetrahydrofuran Can be used.
  • the concentration of the nano-carbon oxide solution is 1 mg / mL to 50 mg / mL, polyamine can be used.
  • the polyamine may use a polyamine, including a molecule containing two or more amine functional groups.
  • the concentration in the coagulation bath of the polyamine can be 0.001M to 1M.
  • the solvent in the coagulation bath of the polyamine is distilled water, dimethylformamide (N, N dimethylforamide), methanol (methanol), ethanol (ethanol), ethyleneglycol, n-butanol, tert- Butyl alcohol alcohol (tert-butylalchole), isopropyl alcohol (isopropyl alchol), n-propanol (n-propanol), ethyl acetate (ethyl acetate), dimethyl sulfoxide, tetrahydrofuran (tetrahydrofuran) can do.
  • Reducing the oxidized nanocarbon fibers may further include performing thermal reduction or performing chemical reduction.
  • the step of performing the thermal reduction can be carried out at room temperature 200 ° C to 1000 ° C at a rate of 0.1 ° C / min to 10 ° C / min.
  • the step of performing the chemical reduction, hydrazine, hydrinic acid (Hydroiodic acid), hydrobromic acid (hydrobromic acid), sodium borohydride (sodiumborohyride), lithium aluminum hydride or sulfuric acid (surfuric acid) It can be carried out using any one of a reducing reagent comprising a.
  • the polyamine molecule is an oxide nano having a high strength, high modulus of elasticity by binding the graphene layer in the nano-oxide oxide by ionic bonds and covalent bonds effectively bind the orientation of the graphene layer due to shear stress Nanocarbon fibers with excellent carbon and electrical properties can be produced.
  • the prepared nano-carbon oxide fiber can be obtained by drying in the air according to simple spinning, and subsequent processing such as stretching and high temperature vacuum drying is unnecessary, thereby simplifying the whole process.
  • FIG. 1 is a flow chart of a graphene-based nanocarbon fiber manufacturing method using an interlayer self-assembly according to an embodiment of the present invention.
  • FIG. 2 is an SEM image of (a) the surface and (b) cross section of graphene oxide fibers in the nanocarbon oxide fibers prepared according to the manufacturing method of FIG. 1.
  • FIG. 3 is a C1s XPS result of the graphene oxide fibers produced by the manufacturing method of FIG.
  • Figure 4 is a graph showing the results of analyzing the XRD pattern of the graphene oxide fibers crosslinked by (a) graphene oxide film and (b) different amine-based materials prepared according to the manufacturing method of FIG.
  • FIG. 5 is a graph showing a tensile test result curve of the graphene oxide fiber prepared by the manufacturing method of FIG.
  • FIG. 1 is a flow chart of a graphene-based nanocarbon fiber manufacturing method using an interlayer self-assembly according to an embodiment of the present invention.
  • the step of preparing a nano-carbon oxide dispersion (S10), solidification of the nano-carbon oxide dispersion containing polyamine may include the step of spinning in a bath (S20), the step of washing and drying the spun oxide nanocarbon fibers (S30), and the step of reducing the oxide nanocarbon fibers to nanocarbon fibers (S40).
  • the nano-carbon oxide for fiber production may be carbon nanotubes, graphene oxide, graphene oxide nanoribbons, but is not limited thereto. Materials having a nano-size structure may be included without limitation.
  • Dispersion of the nano-carbon oxide for spinning may have a concentration of 1mg / mL to 50mg / mL, the solvent is distilled water, dimethylformamide (N, N dimethylforamide), methanol (methanol), ethanol (ethanol), ethylene glycol (ethyleneglycol), n-butanol, tert-butylalchole, isopropyl alcohol, isopropanol, n-propanol, ethyl acetate, dimethyl It may include one of sulfoxide (dimethyl sulfoxide), tetrahydrofuran (tetrahydrofuran).
  • the polyamine contained in the coagulation bath for coagulation of the spun nanocarbon oxide can use any molecule including two or more primary or secondary amine groups.
  • a polyamine molecule is a weak base molecule containing two or more primary or secondary amines (each -NH 2 , or NH-), which receives hydrogen ions from acidic functional groups such as graphene oxide and carboxyl groups (-COOH) in carbon nanotubes. Produces an amine salt, an acid. This amine salt forms an ionic pair having a strong electrical attraction with the carboxyl salt which is the base carboxyl group. Therefore, when the nanocarbon oxide dispersion having a large amount of acidic functional groups is spun into the coagulation bath including polyamine, the attraction force of the polyamine and nanocarbon is strengthened, and the graphene layer is aggregated within a short time, and the orientation state is extended even during drying. It is maintained without a separate subsequent process.
  • the remaining polyamine forms covalent bonds through ring-opening polymerization with the epoxy (-O-) functional group of the nanocarbon oxide, thereby strengthening the binding between the graphene layers.
  • the polyamine according to the present embodiment may include ethylenekenamine (aminekenediamine), 1,3 diaminopropane, 1,2 diaminopropane, 1,2 diaminopropane, in which an amine functional group is linked to an alkyl chain, 1,4 diaminobutane (1,4 diaminobutane), 1,5 diaminopentane (1,5 diaminopentane), hexamethylenediamine, 1,7 diaminoheptane (1,7 diaminoheptan), 1,8 dia Aliphatic polyamines containing minooctane (1,8 diaminooctane), p-phenylenediamine, m-phenylenediamine, o-phenylenedia with amine functional groups linked to benzene rings (o-phenylenediamine), one of aromatic polyamines including benzidine may be used.
  • aminekenediamine 1,3 diaminopropane, 1,2 diamino
  • the concentration of the polyamine solution for spinning can be set from 0.001M to 1M. If the concentration of the polyamine is less than 0.001 M, the amount of polyamine crosslinked is small, so that no crosslinked fibers are formed between the nanocarbons. In contrast, if the concentration of the polyamine is greater than 1 M, only one of the terminal functional groups of the polyamine is used for the functional group of the nanocarbon. Because of the adhesion, no crosslinked fibers are formed.
  • the fine properties may vary.
  • the shorter the polyamine the narrower the gap between the nanocarbon layers and the shorter the range within which the molecules can move, resulting in greater modulus and tensile strength, and aromatin.
  • the mechanical strength may be improved.
  • the solvent of the coagulation bath for spinning is distilled water, dimethylformamide (N, N dimethylforamide), methanol (methanol), ethanol, ethylene glycol (ethyleneglycol), n-butanol, tert-butyl alcohol dissolve polyamine molecules, including tert-butylalchole, isopropylalchol, n-propanol, ethyl acetate, dimethyl sulfoxide and tetrahydrofuran All solvents that may be used are available.
  • Spinning of the nano-carbon oxide is made through a spinning nozzle having an inner diameter of 0.00725mm to 0.15mm, it can be made in a flow rate of 0.1mL / min to 100mL / min by immersing the nozzle in a coagulation bath or placed in the upper 0cm to 1cm .
  • the spun nanocarbon oxide can be recovered by rollers and the remaining polyamine can be washed with the solvent of the coagulation bath described above. More preferably, it is possible to wash with an alcohol-based solvent that evaporates at room temperature.
  • the nano carbon fiber washed through the above process can be dried at room temperature and normal pressure, but there is no particular limitation as long as the temperature and pressure range in which the reduction of the nano carbon oxide does not occur.
  • the nanocarbon fiber in the step S20 of spinning the nanocarbon oxide dispersion into a coagulant containing polyamine may be a nanocarbon oxide gel fiber, and the nanocarbon oxide gel The step of washing and drying the fibers to produce the nanocarbon fibers may be further performed.
  • Oxidized nanocarbon fibers crosslinked with a polyamine prepared through the above process may be reduced to nanocarbon fibers by a thermal reduction method and / or a chemical reduction method.
  • the thermal reduction method may be achieved by heating up at a rate of 0.1 ° C./min to 10 ° C./min to 200 ° C. to 1000 ° C. at room temperature.
  • Chemical reduction methods include hydrazine, hydrinic acid, hydrobromic acid, sodium borohydride, lithium aluminum hydride, and sulfuric acid. By using a reducing reagent included.
  • This example relates to the production of reduced graphene oxide fibers in the nanocarbon fibers presented in the present invention.
  • the modified Hummer's method [Chem. Mater. 1999, 11, 771.] prepared 10 mg / mL aqueous solution of graphene oxide.
  • 2.4 g of graphite flakes (from Sigma-aldrich) are mixed with 10 mL of sulfuric acid in which 2.0 g of potassium persulfate (from Sigma-aldrich) and 2.0 g of phosphorus pentoxide (from Sigma-aldrich) are dissolved.
  • the reaction was carried out at 80 ° C. for 72 hours.
  • reaction mixture was centrifuged for 10 minutes at a speed of 10,000rpm and then centrifuged three times or more by adding 1.0M hydrochloric acid aqueous solution, the process was centrifuged for 40 minutes at the speed of 13,000rpm by adding water
  • the graphene oxide aqueous solution was obtained by repeating 5 times or more.
  • a graphene oxide gel fiber cross-linked with a polyamine was prepared.
  • the aqueous solution of graphene oxide obtained in step S10 was diluted with an aqueous solution at 10 mg / mL and added to a 5 mL syringe, and then 0.1M aqueous solution of hexamethylenediamine (manufactured by Sigma-aldrich) at a rate of 10 mL / min through a nozzle having an internal diameter of 0.413 mm It is possible to obtain a graphene oxide fiber in the form of a gel by injecting into a gel.
  • step S30 the graphene oxide gel fibers injected to prepare the graphene oxide fibers crosslinked with polyamine were washed in methanol, and then dried at room temperature and atmospheric pressure for 24 hours.
  • FIG. 2 is a (a) surface and (b) cross-sectional photograph of a polyamine crosslinked graphene oxide fiber prepared according to Example 1 of the present experiment. It is confirmed through FIG. 2 that the orientation and densification of the graphene layer were made in accordance with an embodiment of the present invention.
  • Figure 3 shows the results of analyzing the C1s XPS of (a) graphene oxide film and (b) graphene oxide fiber prepared according to Example 1 of the present invention, the ring-opening reaction result of the amine group and the epoxy group graphene oxide film It can be seen that the CO bond was converted to the CN bond as a result of the ring-opening reaction of the epoxy functional group.
  • the interlayer spacing (d 002 ) of the (002) plane representing the distance between the graphene layers increases with the length of the alkyl chain of the polyamine, thereby increasing the structure of the graphene oxide fiber to the polyamine type. It can be seen that it can be changed according to (Table 1).
  • FIG. 5 is a representative diagram of strain-stress curves showing tensile test results of graphene oxide fibers crosslinked with three kinds of polyamines mentioned in Experimental Example 3.
  • FIG. 5 It can be seen that the mechanical properties of the polyamine crosslinked graphene oxide fibers change according to the type of the crosslinked polyamine through FIG. 5, and the preparation of graphene oxide or reduced graphene oxide fibers of desired physical properties by introducing various polyamines. Is possible.
  • the average Young's Modulus and Tensile strength of each graphene oxide fiber are shown in Table 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

La présente invention se rapporte à un procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche. Un procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche selon un mode de réalisation de la présente invention comprend les étapes consistant à : fournir des nanotubes de carbone oxydés ; et déverser une solution de dispersion de nanotubes de carbone oxydés dans un bain de coagulation comprenant une polyamine pour produire une fibre de gel à nanotubes de carbone oxydés qui est réticulée par la polyamine.
PCT/KR2015/003158 2014-04-24 2015-03-31 Procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche Ceased WO2015163595A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0049082 2014-04-24
KR1020140049082A KR101573877B1 (ko) 2014-04-24 2014-04-24 층간 자기조립을 이용한 그래핀 기반 나노탄소 섬유 제조 방법

Publications (1)

Publication Number Publication Date
WO2015163595A1 true WO2015163595A1 (fr) 2015-10-29

Family

ID=54332718

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/003158 Ceased WO2015163595A1 (fr) 2014-04-24 2015-03-31 Procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche

Country Status (2)

Country Link
KR (1) KR101573877B1 (fr)
WO (1) WO2015163595A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018219008A1 (fr) * 2017-05-27 2018-12-06 杭州高烯科技有限公司 Procédé de préparation de composites sur la base d'une liaison de graphène
CN109112822A (zh) * 2018-07-23 2019-01-01 河南工业大学 一种制备碳纤维原位生长石墨烯复合载体的方法
CN112791697A (zh) * 2020-12-16 2021-05-14 华南理工大学 一种弹性超疏水石墨烯凝胶球及其制备方法与应用
CN114990734A (zh) * 2022-06-07 2022-09-02 苏州大学 一种石墨烯组装体纤维及其制备方法与应用

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170121504A (ko) * 2016-04-25 2017-11-02 재단법인차세대융합기술연구원 전계유도 습식 방사 공정을 이용한 그래핀산화물 섬유, 그래핀 섬유, 그래핀 또는 그래핀(산화물) 복합 섬유의 제조방법
KR101812536B1 (ko) * 2016-05-04 2017-12-29 재단법인 차세대융합기술연구원 습식 방사공정을 이용한 그래핀산화물/탄소나노튜브 복합섬유, 그래핀산화물/그래핀 복합섬유 또는 그래핀산화물/그래핀/탄소나노튜브 복합섬유의 제조 방법
KR101812534B1 (ko) * 2016-06-27 2017-12-29 재단법인 차세대융합기술연구원 이종 접합구조를 가지는 그래핀산화물/탄소나노튜브 복합섬유, 그래핀산화물/그래핀 복합섬유 또는 그래핀산화물/그래핀/탄소나노튜브 복합섬유의 제조 방법
KR101992456B1 (ko) * 2018-01-25 2019-06-24 한국과학기술연구원 기계적 강도가 향상된 그래핀 산화물 섬유체 및 이의 제조 방법
KR102602632B1 (ko) 2018-02-13 2023-11-15 아톰 드레드즈 코퍼레이션 그래핀 옥사이드 섬유 및 이의 제조방법
KR102712707B1 (ko) 2018-03-20 2024-10-02 아톰 드레드즈 코퍼레이션 질소와 황이 도핑된 그래핀 섬유 및 이의 제조방법
KR102529541B1 (ko) 2018-03-20 2023-05-04 아톰 드레드즈 코퍼레이션 고강도 그래핀 복합섬유 및 이의 제조방법
KR102102594B1 (ko) * 2018-10-25 2020-04-21 한국세라믹기술원 탄소섬유-질화붕소 복합체의 제조방법
KR102301706B1 (ko) * 2020-02-10 2021-09-14 한국과학기술원 맥신 섬유의 제조방법 및 이로부터 제조된 맥신 섬유
KR102480878B1 (ko) * 2020-11-16 2022-12-23 광주과학기술원 나노섬유 복합소재, 이의 제조방법 및 이를 가지는 이온교환막
KR20250126237A (ko) * 2024-02-16 2025-08-25 한국전기연구원 산화그래핀을 포함하는 탄소나노튜브 섬유 제조방법 및 이에 따라 제조된 탄소나노튜브 섬유

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080106102A (ko) * 2007-05-30 2008-12-04 주식회사 엘지화학 금속 착화합물을 포함하는 탄소 나노튜브 분산제
KR20120032869A (ko) * 2010-09-29 2012-04-06 삼성전기주식회사 고분자 수지 조성물 및 이를 이용하여 제조된 절연 필름, 그리고 상기 절연 필름의 제조 방법
KR20120099189A (ko) * 2011-01-31 2012-09-07 고려대학교 산학협력단 표면 개질된 나노탄소 물질을 포함하는 역삼투막 및 이의 제조방법
KR20130053015A (ko) * 2011-11-14 2013-05-23 (주) 디에이치홀딩스 고농도 고분산 탄소나노튜브 분산액의 제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080106102A (ko) * 2007-05-30 2008-12-04 주식회사 엘지화학 금속 착화합물을 포함하는 탄소 나노튜브 분산제
KR20120032869A (ko) * 2010-09-29 2012-04-06 삼성전기주식회사 고분자 수지 조성물 및 이를 이용하여 제조된 절연 필름, 그리고 상기 절연 필름의 제조 방법
KR20120099189A (ko) * 2011-01-31 2012-09-07 고려대학교 산학협력단 표면 개질된 나노탄소 물질을 포함하는 역삼투막 및 이의 제조방법
KR20130053015A (ko) * 2011-11-14 2013-05-23 (주) 디에이치홀딩스 고농도 고분산 탄소나노튜브 분산액의 제조방법

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018219008A1 (fr) * 2017-05-27 2018-12-06 杭州高烯科技有限公司 Procédé de préparation de composites sur la base d'une liaison de graphène
CN109112822A (zh) * 2018-07-23 2019-01-01 河南工业大学 一种制备碳纤维原位生长石墨烯复合载体的方法
CN112791697A (zh) * 2020-12-16 2021-05-14 华南理工大学 一种弹性超疏水石墨烯凝胶球及其制备方法与应用
CN114990734A (zh) * 2022-06-07 2022-09-02 苏州大学 一种石墨烯组装体纤维及其制备方法与应用
WO2023236351A1 (fr) * 2022-06-07 2023-12-14 苏州大学 Fibre d'assemblage au graphène, et son procédé de préparation et son utilisation
CN114990734B (zh) * 2022-06-07 2024-08-16 苏州大学 一种石墨烯组装体纤维及其制备方法与应用

Also Published As

Publication number Publication date
KR20150122928A (ko) 2015-11-03
KR101573877B1 (ko) 2015-12-11

Similar Documents

Publication Publication Date Title
WO2015163595A1 (fr) Procédé de production d'une nanofibre de carbone à base de graphène par auto-assemblage intercouche
WO2017188564A1 (fr) Procédé de fabrication de fibre d'oxyde de graphène, de fibre de graphène, et ou de fibre composite de graphène ou (d'oxyde) de graphène à l'aide d'un procédé de filage humide induit par champ électrique
WO2015182975A1 (fr) Membranes ayant des propriétés antibiotiques et hydrophiles et leur procédé de préparation
WO2017191887A1 (fr) Procédé de fabrication d'une fibre composite d'oxyde de graphène/nanotube de carbone, fibre composite d'oxyde de graphène/graphène ou fibre composite d'oxyde de graphène/graphène/nanotube de carbone utilisant un procédé de filage par voie humide
WO2012124937A2 (fr) Fibre conjuguée à base de graphène et son procédé de fabrication
WO2012108607A1 (fr) Fibres de nanotubes de carbone manufacturées
Dai et al. Mechanical properties of carbon nanotubes-polymer composites
CN107022094B (zh) 一种poss增强芳纶纳米纤维的透明柔性薄膜的制备方法
WO2018004099A1 (fr) Fibre composite d'oxyde de graphène/de nanotube de carbone ayant une structure à hétérojonction, et procédé de fabrication de fibre composite d'oxyde de graphène/de graphène ou fibre composite d'oxyde de graphène/de graphène/de nanotube de carbone
WO2011122901A2 (fr) Nanocomposite de polyimide et son procédé de préparation
US11613464B2 (en) Modified boron nitride nanotubes and solutions thereof
WO2017115921A1 (fr) Dispersion de graphène, procédé de préparation d'un composite de graphène-polymère et procédé de fabrication de film formant une barrière l'utilisant
CN104389167A (zh) 一种含有纳米粒子的涂层溶液及其应用
WO2019182356A1 (fr) Fibre composite de graphène de haute résistance et son procédé de fabrication
WO2016175453A1 (fr) Feuille de graphite et son procédé de fabrication
WO2014148705A1 (fr) Procédé permettant de produire un composite nanotube de carbone
CN106279683A (zh) 一种主链含蒽醌结构聚酰亚胺共聚物及其复合材料的制备方法
Wu et al. One step fabrication of multi-walled carbon nanotubes/graphene nanoplatelets hybrid materials with excellent mechanical property
Wang et al. Benzoxazine as a reactive noncovalent dispersant for carbon nanotubes
Pan et al. N-Epoxypropyl poly (p-phenylene terephthalamide) covalently and non-covalently coated multi-walled carbon nanotubes for PVC reinforcement
CN105671680A (zh) 一种聚酰亚胺纤维的制备方法
Lv et al. Fabrication of polyaniline/polyimide composite fibers with electrically conductive properties
CN115787304B (zh) 碳纳米管/高分子复合纤维、其制备方法及制备系统
US9576698B2 (en) Methods for forming polyimide-carbon nanotube composite film, and polyimide-carbon nanotube composite films formed thereof
KR20170001340A (ko) 전기전도성 폴리에테르이미드 나노섬유 및 그 제조방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15783809

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15783809

Country of ref document: EP

Kind code of ref document: A1