CN113481717A - Preparation method of modified carbon fiber based on one-dimensional nano material - Google Patents

Preparation method of modified carbon fiber based on one-dimensional nano material Download PDF

Info

Publication number
CN113481717A
CN113481717A CN202110810181.4A CN202110810181A CN113481717A CN 113481717 A CN113481717 A CN 113481717A CN 202110810181 A CN202110810181 A CN 202110810181A CN 113481717 A CN113481717 A CN 113481717A
Authority
CN
China
Prior art keywords
carbon fiber
nano material
dimensional
dimensional nano
preparation
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
Application number
CN202110810181.4A
Other languages
Chinese (zh)
Inventor
武清
白换换
邓昊
朱建锋
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.)
Shaanxi University of Science and Technology
Original Assignee
Shaanxi University of Science and Technology
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 Shaanxi University of Science and Technology filed Critical Shaanxi University of Science and Technology
Priority to CN202110810181.4A priority Critical patent/CN113481717A/en
Publication of CN113481717A publication Critical patent/CN113481717A/en
Pending 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic Table; Zincates; Cadmates
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • 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
    • D06M11/77—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 silicon or compounds thereof
    • D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/40—Fibres of carbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention discloses a preparation method of modified carbon fiber based on one-dimensional nano material. The method comprises the following steps: 1) removing agent from the carbon fiber; 2) preparing a one-dimensional nano material dispersion liquid; 3) and depositing the one-dimensional nano material on the surface of the uniformly laid carbon fiber tows by adopting a vacuum filtration method, turning the carbon fiber tows for 180 degrees, and then carrying out vacuum filtration on the one-dimensional nano material dispersion liquid to obtain the one-dimensional nano material modified carbon fiber. The preparation method effectively solves the problems of fiber strength reduction, complex process, difficult operation, environmental pollution, high processing cost and the like of the existing carbon fiber surface modification method. The carbon fiber modified by the one-dimensional nano material prepared by the invention can improve the interface bonding strength of the composite material by 14.3-69.8%.

Description

Preparation method of modified carbon fiber based on one-dimensional nano material
Technical Field
The invention belongs to the technical field of surface and interface modification methods of materials, and particularly relates to a preparation method of modified carbon fibers based on a one-dimensional nano material.
Background
One-dimensional nanomaterials, such as carbon nanotubes, nanocellulose, zinc dioxide nanowires, etc., have excellent mechanical, thermal and electrical properties, and are widely used as reinforcements to modify carbon fibers to improve the interfacial bonding strength between the fibers and resin. At present, common methods for preparing one-dimensional nano material modified carbon fibers comprise a sizing method, a chemical grafting method, a chemical vapor deposition method, an electrophoretic deposition method and the like, but most of the methods are easy to introduce defects on the fiber surface to reduce the fiber strength, or have the problems of complex process, difficult operation, environmental pollution, high processing cost and the like. Therefore, it is very important to find a simple, environment-friendly, efficient and low-cost fiber surface modification method.
Disclosure of Invention
The invention provides a preparation method of modified carbon fiber based on one-dimensional nano material, aiming at solving the problems of reduced fiber strength, complex process, difficult operation, environmental pollution, high processing cost and the like in the existing carbon fiber surface modification method.
In order to achieve the purpose, the invention adopts the technical scheme that:
1) removing agent from the surface of the carbon fiber; placing the carbon fiber tows in an acetone solution for condensation and reflux, then cleaning the carbon fiber tows by deionized water, and drying the carbon fiber tows in vacuum for later use;
2) preparing a one-dimensional nano material dispersion liquid; dispersing the one-dimensional nano material in water or an organic solvent, and stirring to uniformly disperse the one-dimensional nano material to obtain a one-dimensional nano material dispersion liquid with the mass fraction of 0.01-5%;
3) carbon fiber modification treatment; uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration on the one-dimensional nano material dispersion liquid to deposit on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the one-dimensional nano material dispersion liquid to deposit on the other surface of the carbon fiber tows, and drying to obtain the one-dimensional nano material modified carbon fiber.
The carbon fiber in the step (1) is long carbon fiber.
The temperature of the condensation reflux in the step 1) is 80-100 ℃, and the time of the condensation reflux is 12-48 h.
The temperature of vacuum drying in the step 1) is 40-80 ℃, and the time of vacuum drying is 2-5 h.
The one-dimensional nano material in the step 2) is selected from one of a nano tube, a nano wire or a whisker, the length-diameter ratio of the one-dimensional nano material is more than 10, and the diameter of the one-dimensional nano material is 1-120 nm.
The nanotubes are carbon nanotubes; the nano wire is nano cellulose, a zinc oxide nano wire or a titanium dioxide nano wire; the whisker is a silicon dioxide whisker.
The organic solvent in the step 2) is acetone, ethanol, tetrahydrofuran, dimethylformamide, dichloromethane, xylene, phenol, ethyl acetate or petroleum ether.
The stirring in the step 2) is magnetic stirring, the stirring speed is 200-800 rpm/min, and the stirring time is 30-120 min.
And 3) carrying out vacuum filtration in the step 3) according to the volume (ml) of the one-dimensional nano material dispersion liquid, wherein the diameter (cm) of a filter membrane is (0.1-5) and 1.
The drying temperature in the step 3) is 40-80 ℃, and the drying time is 2-5 h.
Compared with the prior art, the invention has the following beneficial technical effects: (1) the vacuum filtration method is adopted for realizing the uniform deposition of the one-dimensional nano material on the surface of the carbon fiber tows with the circumferential structure for the first time, and the method has the advantages of simple equipment, mild reaction conditions, no toxicity, environmental protection, low cost and high efficiency; (2) the mechanical engagement effect of the fiber and the resin is increased by utilizing the high length-diameter ratio, the large specific surface area and the excellent mechanical property of the one-dimensional nano material, and the function of inhibiting crack propagation is achieved; (3) compared with the unmodified carbon fiber composite material, the interface bonding strength of the one-dimensional nano material modified carbon fiber composite material is improved by 14.3-69.8%.
Drawings
Fig. 1 is a surface topography of the nanocellulose-modified carbon fibre prepared in example 1.
Fig. 2 is a surface topography of the nanocellulose-modified carbon fibre prepared in example 2.
Fig. 3 is a surface topography of the carbon nanotube-modified carbon fiber prepared in example 3.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 24 hours at the temperature of 80 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 3 hours in a vacuum drying oven at the temperature of 50 ℃.
2) Dispersing nano-cellulose with the length of about 1 mu m and the diameter of 35nm in an aqueous solution, and magnetically stirring at 300rpm/min for 30min to uniformly disperse the nano-cellulose to obtain a nano-cellulose dispersion liquid with the mass fraction of 0.05%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the nano-cellulose dispersion liquid, wherein the diameter (cm) of the filter membrane is 0.1:1, so that the carbon fiber tows are deposited on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the nano-cellulose dispersion liquid with the same amount, and drying for 3 hours at 50 ℃ to obtain the nano-cellulose modified carbon fiber.
The surface topography of the carbon fiber modified by the nano-cellulose prepared in the embodiment is shown in fig. 1, and it can be seen from the figure that a certain amount of nano-cellulose is indeed deposited on the surface of the carbon fiber. The interface bonding strength of the epoxy composite material prepared by adopting the modified carbon fiber is improved by 14.3 percent compared with that of an unmodified carbon fiber reinforced epoxy composite material.
Example 2:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 48 hours at 80 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 3 hours in a vacuum drying oven at 60 ℃.
2) Dispersing nano-cellulose with the length of about 1 mu m and the diameter of 35nm in an aqueous solution, and magnetically stirring at 500rpm/min for 40min to uniformly disperse the nano-cellulose to obtain a nano-cellulose dispersion liquid with the mass fraction of 0.05%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the nano-cellulose dispersion liquid, wherein the diameter (cm) of the filter membrane is 5:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the nano-cellulose dispersion liquid with the same amount, and drying for 3 hours at 60 ℃ to obtain the nano-cellulose modified carbon fiber.
The surface topography of the carbon fiber modified by the nanocellulose prepared in the example is shown in fig. 2, and it can be seen from the figure that a large amount of nanocellulose is deposited on the surface of the carbon fiber. The interface bonding strength of the epoxy composite material prepared by adopting the modified carbon fiber is improved by 44.6 percent compared with that of an unmodified carbon fiber reinforced epoxy composite material.
Example 3:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) putting the long carbon fiber tows in an acetone solution, condensing and refluxing for 24 hours at 90 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 2 hours in a vacuum drying oven at 80 ℃.
2) Dispersing carbon nanotubes with the length of about 5 mu m and the diameter of 3-5 nm in an aqueous solution, and magnetically stirring at 800rpm/min for 60min to uniformly disperse the carbon nanotubes to obtain a carbon nanotube dispersion liquid with the mass fraction of 1%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the carbon nanotube dispersion liquid, wherein the diameter (cm) of the filter membrane is 4:1, depositing the carbon nanotube dispersion liquid on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the carbon nanotube dispersion liquid with the same amount, and drying for 2 hours at 80 ℃ to obtain the carbon nanotube modified carbon fiber.
The surface topography of the carbon nanotube modified carbon fiber prepared in this example is shown in fig. 3, and it can be seen from the figure that carbon nanotubes are uniformly deposited on the surface of the carbon fiber. The interface bonding strength of the epoxy composite material prepared by adopting the modified carbon fiber is improved by 69.8 percent compared with that of an unmodified carbon fiber reinforced epoxy composite material.
Example 4:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) putting the long carbon fiber tows in an acetone solution, condensing and refluxing for 48h at 90 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 2h in a vacuum drying oven at 70 ℃.
2) Dispersing carbon nanotubes with the length of about 5 mu m and the diameter of 3-5 nm in an ethanol solution, and magnetically stirring at 800rpm/min for 120min to uniformly disperse the carbon nanotubes to obtain a carbon nanotube dispersion liquid with the mass fraction of 5%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the carbon nanotube dispersion liquid, wherein the diameter (cm) of the filter membrane is 0.2:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the carbon nanotube dispersion liquid with the same amount, and drying for 2 hours at 70 ℃ to obtain the carbon nanotube modified carbon fiber.
Example 5:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 12h at 100 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 5h in a vacuum drying oven at 40 ℃.
2) Dispersing zinc oxide nanowires with the length of about 2-20 micrometers and the diameter of 50-120 nm in tetrahydrofuran, and magnetically stirring at 200rpm/min for 30min to uniformly disperse the zinc oxide nanowires to obtain a zinc oxide nanowire dispersion liquid with the mass fraction of 0.01%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the zinc oxide nanowire dispersion liquid, wherein the diameter (cm) of the filter membrane is 3:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the same amount of zinc oxide nanowire dispersion liquid, and drying for 5 hours at 40 ℃ to obtain the zinc oxide nanowire modified carbon fiber.
Example 6:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 24 hours at 100 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 5 hours in a vacuum drying oven at 70 ℃.
2) Dispersing zinc oxide nanowires with the length of about 2-20 microns and the diameter of 50-120 nm in dimethylbenzene, and magnetically stirring at 500rpm/min for 80min to uniformly disperse the zinc oxide nanowires to obtain a zinc oxide nanowire dispersion liquid with the mass fraction of 2.5%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the zinc oxide nanowire dispersion liquid, wherein the diameter (cm) of the filter membrane is 2:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the same amount of zinc oxide nanowire dispersion liquid, and drying for 5 hours at 70 ℃ to obtain the zinc oxide nanowire modified carbon fiber.
Example 7:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 48 hours at 80 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 4 hours in a vacuum drying oven at 60 ℃.
2) Dispersing titanium dioxide nanowires with the length of about 20 microns and the diameter of 100nm in dimethylformamide, and magnetically stirring at 600rpm/min for 120min to uniformly disperse the titanium dioxide nanowires to obtain a titanium dioxide nanowire dispersion liquid with the mass fraction of 4%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the titanium dioxide nanowire dispersion liquid, wherein the diameter (cm) of the filter membrane is 3:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the same amount of the titanium dioxide nanowire dispersion liquid, and drying for 4 hours at 60 ℃ to obtain the titanium dioxide nanowire modified carbon fiber.
Example 8:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 12h at 80 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 5h in a vacuum drying oven at 80 ℃.
2) Dispersing titanium dioxide nanowires with the length of about 20 microns and the diameter of 100nm in ethyl acetate, and magnetically stirring at 700rpm/min for 120min to uniformly disperse the titanium dioxide nanowires to obtain titanium dioxide nanowire dispersion liquid with the mass fraction of 5%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the titanium dioxide nanowire dispersion liquid, wherein the diameter (cm) of the filter membrane is 4:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the same amount of the titanium dioxide nanowire dispersion liquid, and drying for 5 hours at 80 ℃ to obtain the titanium dioxide nanowire modified carbon fiber.
Example 9:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) putting the long carbon fiber tows in an acetone solution, condensing and refluxing for 48 hours at 90 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 5 hours in a vacuum drying oven at 80 ℃.
2) Dispersing silicon dioxide whiskers with the length of about 1 mu m and the diameter of 60nm in dichloromethane, and magnetically stirring at 600rpm/min for 100min to uniformly disperse the silicon dioxide whiskers to obtain a silicon dioxide whisker dispersion liquid with the mass fraction of 3.5%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the silicon dioxide whisker dispersion liquid, wherein the diameter (cm) of the filter membrane is 0.8:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the silicon dioxide whisker dispersion liquid with the same amount, and drying for 5 hours at 80 ℃ to obtain the silicon dioxide whisker modified carbon fiber.
Example 10:
the embodiment provides a preparation method of modified carbon fiber based on one-dimensional nano material, which specifically comprises the following steps:
1) placing the long carbon fiber tows in an acetone solution, condensing and refluxing for 12h at 100 ℃, cleaning the extracted carbon fibers with deionized water, and drying for 5h in a vacuum drying oven at 80 ℃.
2) Dispersing silicon dioxide whiskers with the length of about 1 mu m and the diameter of 60nm in petroleum ether, and magnetically stirring at 400rpm/min for 40min to uniformly disperse the silicon dioxide whiskers to obtain a silicon dioxide whisker dispersion liquid with the mass fraction of 0.15%.
3) Uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration according to the volume (ml) of the silicon dioxide whisker dispersion liquid, wherein the diameter (cm) of the filter membrane is 0.3:1, depositing the carbon fiber tows on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the silicon dioxide whisker dispersion liquid with the same amount, and drying for 5 hours at 80 ℃ to obtain the silicon dioxide whisker modified carbon fiber.

Claims (10)

1. A preparation method of modified carbon fiber based on one-dimensional nano material is characterized by comprising the following steps: the method comprises the following steps:
1) removing agent from the surface of the carbon fiber; placing the carbon fiber tows in an acetone solution for condensation and reflux, then cleaning the carbon fiber tows by deionized water, and drying the carbon fiber tows in vacuum for later use;
2) preparing a one-dimensional nano material dispersion liquid; dispersing the one-dimensional nano material in water or an organic solvent, and stirring to uniformly disperse the one-dimensional nano material to obtain a one-dimensional nano material dispersion liquid with the mass fraction of 0.01-5%;
3) carbon fiber modification treatment; uniformly laying the carbon fiber tows obtained by the treatment in the step 1) on a filter membrane, carrying out vacuum filtration on the one-dimensional nano material dispersion liquid to deposit on the surface of the carbon fiber tows, turning the carbon fiber tows for 180 degrees, carrying out vacuum filtration on the one-dimensional nano material dispersion liquid to deposit on the other surface of the carbon fiber tows, and drying to obtain the one-dimensional nano material modified carbon fiber.
2. The method for preparing one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein the carbon fiber of step (1) is a long carbon fiber.
3. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the temperature of the condensation reflux in the step 1) is 80-100 ℃, and the time of the condensation reflux is 12-48 h.
4. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the temperature of vacuum drying in the step 1) is 40-80 ℃, and the time of vacuum drying is 2-5 h.
5. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the one-dimensional nano material in the step 2) is selected from one of a nano tube, a nano wire or a whisker, the length-diameter ratio of the one-dimensional nano material is more than 10, and the diameter of the one-dimensional nano material is 1-120 nm.
6. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 4, wherein: the nanotubes are carbon nanotubes; the nano wire is nano cellulose, a zinc oxide nano wire or a titanium dioxide nano wire; the whisker is a silicon dioxide whisker.
7. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the organic solvent in the step 2) is acetone, ethanol, tetrahydrofuran, dimethylformamide, dichloromethane, xylene, phenol, ethyl acetate or petroleum ether.
8. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the stirring in the step 2) is magnetic stirring, the stirring speed is 200-800 rpm/min, and the stirring time is 30-120 min.
9. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: and 3) carrying out vacuum filtration in the step 3) according to the volume (ml) of the one-dimensional nano material dispersion liquid, wherein the diameter (cm) of a filter membrane is (0.1-5) and 1.
10. The preparation method of the one-dimensional nanomaterial-based modified carbon fiber according to claim 1, wherein: the drying temperature in the step 3) is 40-80 ℃, and the drying time is 2-5 h.
CN202110810181.4A 2021-07-18 2021-07-18 Preparation method of modified carbon fiber based on one-dimensional nano material Pending CN113481717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110810181.4A CN113481717A (en) 2021-07-18 2021-07-18 Preparation method of modified carbon fiber based on one-dimensional nano material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110810181.4A CN113481717A (en) 2021-07-18 2021-07-18 Preparation method of modified carbon fiber based on one-dimensional nano material

Publications (1)

Publication Number Publication Date
CN113481717A true CN113481717A (en) 2021-10-08

Family

ID=77942018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110810181.4A Pending CN113481717A (en) 2021-07-18 2021-07-18 Preparation method of modified carbon fiber based on one-dimensional nano material

Country Status (1)

Country Link
CN (1) CN113481717A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022260131A1 (en) * 2021-06-11 2022-12-15 竹本油脂株式会社 Sizing agent for inorganic fibers, inorganic fibers, method for producing same, and composite material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104911899A (en) * 2015-06-23 2015-09-16 哈尔滨工业大学 Method for producing CNT/CF (carbon nano tube/carbon fiber) hybrid fibers in batch manner
CN105131529A (en) * 2015-09-23 2015-12-09 北京化工大学 Preparation method of composite material with fiber surface coated with cellulose nano crystals and used for multi-scale enhancement
CN105133289A (en) * 2015-10-14 2015-12-09 中国科学院山西煤炭化学研究所 Zinc oxide nano wire-coated carbon fiber and preparation method thereof
CN105131532A (en) * 2015-09-25 2015-12-09 天津工业大学 Method for improving anti-fatigue performance of carbon fiber composite material by introducing carbon nano tubes from interface
CN107441955A (en) * 2017-09-04 2017-12-08 吉林大学 A kind of preparation method of titanium dioxide nano thread woven wire composite membrane

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104911899A (en) * 2015-06-23 2015-09-16 哈尔滨工业大学 Method for producing CNT/CF (carbon nano tube/carbon fiber) hybrid fibers in batch manner
CN105131529A (en) * 2015-09-23 2015-12-09 北京化工大学 Preparation method of composite material with fiber surface coated with cellulose nano crystals and used for multi-scale enhancement
CN105131532A (en) * 2015-09-25 2015-12-09 天津工业大学 Method for improving anti-fatigue performance of carbon fiber composite material by introducing carbon nano tubes from interface
CN105133289A (en) * 2015-10-14 2015-12-09 中国科学院山西煤炭化学研究所 Zinc oxide nano wire-coated carbon fiber and preparation method thereof
CN107441955A (en) * 2017-09-04 2017-12-08 吉林大学 A kind of preparation method of titanium dioxide nano thread woven wire composite membrane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
沈典宇等: "碳纤维@石墨烯/环氧树脂复合材料的制备和导热性能研究", 《塑料工业》, vol. 45, no. 7, 31 July 2017 (2017-07-31), pages 98 - 102 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022260131A1 (en) * 2021-06-11 2022-12-15 竹本油脂株式会社 Sizing agent for inorganic fibers, inorganic fibers, method for producing same, and composite material

Similar Documents

Publication Publication Date Title
CN105802142A (en) Graphene modified fiber reinforced resin-based composite material and preparation method thereof
Yao et al. Effect of CNTs deposition on carbon fiber followed by amination on the interfacial properties of epoxy composites
CN112144148B (en) Preparation method of high-strength MXene fiber
CN108035143B (en) Method for simultaneously improving interface strength and toughness of carbon fiber epoxy composite material
CN110886089B (en) Preparation method of graphene and carbon nanotube in-situ growth co-modified toughened carbon fiber
CN110172180B (en) Inorganic fiber/silicon dioxide nano material and preparation method and application thereof
CN113481717A (en) Preparation method of modified carbon fiber based on one-dimensional nano material
CN104609465B (en) The method that a kind of Barium metatitanate. doping multi-walled carbon nano-tubes prepares hud typed high dielectric filler
CN111285949B (en) Polyacrylonitrile-coated graphene composite material and preparation method and application thereof
JP2019534395A (en) Method for producing carbon fiber from biological precursor and obtained carbon fiber
CN114855444A (en) Surface coating modification method for ultra-high molecular weight polyethylene fiber
CN110747537B (en) Preparation method of lignin/graphene-based carbon fiber
CN102181964A (en) Method for preparing polyacrylonitrile based carbon fiber
CN109629227B (en) Preparation method of fiber-based carbon nanotube conductive material
CN102120568B (en) Method for preparing boron nitride nanorod by using precursor conversion method
CN116790029A (en) Preparation method of polybenzoxazine@cellulose nanofiber high-strength aerogel
CN113445306A (en) Preparation method of modified carbon fiber based on two-dimensional nano material
CN113957703B (en) Beaded nanofiber material and preparation method thereof
CN113463395A (en) Preparation method of one-dimensional nano material/macromolecular amine head-to-tail alternately arranged modified carbon fiber
CN111117166A (en) Needle-shaped magnetic iron oxide/epoxy resin modified mother liquor and preparation method and application thereof
CN113862831B (en) Preparation method of MXene/sodium alginate composite fiber
CN110510669A (en) A kind of spin processes preparation nano material
CN111363989A (en) Preparation method of fiber reinforced composite material
CN113914130B (en) Superfine nano aramid fiber and controllable preparation method of paper material thereof
CN113417135A (en) One-dimensional nano material based concave-convex structure modified carbon 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
RJ01 Rejection of invention patent application after publication

Application publication date: 20211008