WO2024007179A1 - Matériau composite de fibre de carbone thermoplastique, procédé de préparation associé et utilisation associée - Google Patents

Matériau composite de fibre de carbone thermoplastique, procédé de préparation associé et utilisation associée Download PDF

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Publication number
WO2024007179A1
WO2024007179A1 PCT/CN2022/104033 CN2022104033W WO2024007179A1 WO 2024007179 A1 WO2024007179 A1 WO 2024007179A1 CN 2022104033 W CN2022104033 W CN 2022104033W WO 2024007179 A1 WO2024007179 A1 WO 2024007179A1
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Prior art keywords
carbon fiber
thermoplastic
composite material
stage
thermoplastic resin
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PCT/CN2022/104033
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English (en)
Chinese (zh)
Inventor
王瑶
蒋达
张孝雷
夏霏霏
徐静
周锋
赵占廷
陆珺
Original Assignee
远东电缆有限公司
新远东电缆有限公司
远东复合技术有限公司
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Priority to PCT/CN2022/104033 priority Critical patent/WO2024007179A1/fr
Priority to CN202280002757.7A priority patent/CN115298265B/zh
Publication of WO2024007179A1 publication Critical patent/WO2024007179A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06—Polysulfones; Polyethersulfones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Definitions

  • the embodiments of the present application relate to the technical field of overhead wire transmission, such as a thermoplastic carbon fiber composite material and its preparation method and use.
  • carbon fiber composite core rods As a reinforcing core, carbon fiber composite core rods have the advantages of light weight, high strength, small linear expansion coefficient, high temperature resistance, corrosion resistance, environmental friendliness, and no hysteresis loss compared to the steel core in traditional overhead conductors, and can effectively achieve Transmission lines are safe, energy-saving and environmentally friendly.
  • the current structure of the carbon fiber composite core rod is: epoxy resin as the resin matrix, an inner layer of carbon fiber, and an outer layer of glass fiber or basalt fiber.
  • CN103000279A discloses a carbon fiber composite core rod.
  • a glass fiber layer I and a glass fiber layer II are provided on the outer surface of the carbon fiber core.
  • the carbon fiber core is connected to the glass fiber layer I and the glass fiber layer II through epoxy.
  • the resin adhesive is solidified and connected into one body, thereby improving the compressive strength and shear strength of the carbon fiber composite core rod.
  • the carbon fiber composite material has poor toughness.
  • CN109537287A discloses a composite conductor core material and a manufacturing method thereof.
  • the composite conductor core material is composed of a dipped carbon fiber core layer and a dipped glass fiber coating layer; the dipped carbon fiber core layer is composed of carbon fiber, graphene, nanometer It is composed of copper powder, epoxy resin and its curing agent, and the impregnated glass fiber coating layer is composed of glass fiber, epoxy resin and its curing agent.
  • the wire core material is light in weight, high in strength, can transport larger loads, has excellent dielectric properties and has a long service life. However, the composite conductor core material has insufficient bending properties.
  • CN103413629A discloses a carbon fiber composite core for a transmission line and a preparation method thereof.
  • the composite core includes carbon fiber and glass fiber and epoxy resin coating the surfaces of the carbon fiber and glass fiber.
  • the preparation method includes: pretreatment, removal of Wet, infiltration coating, and pultrusion molding; the preparation method not only ensures the hardness of the final product, but also satisfies the smoothness of production and the improvement of production efficiency.
  • the carbon fiber composite core produced by the combination can fully meet the needs of power transmission. However, the toughness and bending properties of the carbon fiber composite core need to be further improved.
  • thermoplastic carbon fiber composite material provides a thermoplastic carbon fiber composite material and its preparation method and use.
  • the thermoplastic carbon fiber composite material is compounded of carbon fiber, glass fiber and a specific type of thermoplastic resin, so that the carbon fiber composite material has excellent toughness and bending properties, is resistant to high temperatures, and is suitable for overhead conductor core rods.
  • thermoplastic carbon fiber composite material which includes 13 to 68 parts by weight of carbon fiber, 15 to 89 parts of glass fiber, and 8 to 30 parts of thermoplastic resin.
  • thermoplastic resin is used to replace the traditional epoxy resin and is compounded with carbon fiber and glass fiber, which greatly improves the toughness and bending performance of the carbon fiber composite material, while ensuring that the carbon fiber composite material can be used normally at high temperatures.
  • the thermoplastic carbon fiber composite material includes 13 to 68 parts of carbon fiber in parts by weight, such as 15 parts, 16 parts, 18 parts, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, or 30 parts. , 34 copies, 38 copies, 42 copies, 46 copies, 48 copies, 52 copies, 56 copies, 60 copies, 64 copies, 68 copies, etc.
  • the thermoplastic carbon fiber composite material includes 15 to 89 parts by weight of glass fiber, for example, it can be 18 parts, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, 30 parts, 32 parts, 34 parts servings, 36 servings, 38 servings, 40 servings, 45 servings, 50 servings, 55 servings, 60 servings, 65 servings, 70 servings, 75 servings, 80 servings, 85 servings, etc.
  • the thermoplastic carbon fiber composite material includes 8 to 30 parts by weight of thermoplastic resin, such as 9 parts, 10 parts, 11 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts, 22 parts servings, 24 servings, 26 servings, 28 servings, etc.
  • the mass ratio of fibers to thermoplastic resin in the thermoplastic carbon fiber composite material is (4.5-6.5):1, for example, it can be 4.6:1, 4.7:1, 4.8:1, 4.9:1, 5:1, 5.1 :1, 5.2:1, 5.3:1, 5.4:1, 5.5:1, 5.6:1, 5.7:1, 5.8:1, 5.9:1, 6:1, 6.2:1, 6.4:1, etc.
  • the fiber refers to the sum of the fractions of carbon fiber and glass fiber; within a specific mass ratio of the fiber to the thermoplastic resin, the composite material has better torsion resistance and heat resistance.
  • the carbon fiber is untwisted carbon fiber.
  • the carbon fibers are in the form of carbon fiber tows.
  • the carbon fiber tow includes 6,000 to 24,000 carbon fiber monofilaments, such as 8,000, 10,000, 12,000, 14,000, 16,000, 18,000, 20,000, 22,000, etc.
  • the number of carbon fiber monofilaments in the carbon fiber tow is less than 6,000, which means the cost is high; if it is more than 2,400, the torsion resistance is poor.
  • the tensile strength of the carbon fiber is 4900-6370MPa, for example, it can be 5000MPa, 5100MPa, 5200MPa, 5300MPa, 5400MPa, 5500MPa, 5600MPa, 5800MPa, 6000MPa, 6100MPa, 6200MPa, 6300MPa, etc.
  • the elongation at break of the carbon fiber is 1.7-2.3%, for example, it can be 1.8%, 1.9%, 2%, 2.1%, 2.2%, 2.25%, etc.
  • the glass fiber is untwisted alkali-free glass fiber.
  • the diameter of the glass fiber is 14-25 ⁇ m, for example, it can be 16 ⁇ m, 17 ⁇ m, 18 ⁇ m, 19 ⁇ m, 20 ⁇ m, 21 ⁇ m, 22 ⁇ m, 23 ⁇ m, 24 ⁇ m, etc.
  • the tensile strength of the glass fiber is 2300-2800MPa, for example, it can be 2350MPa, 2400MPa, 2450MPa, 2500MPa, 2550MPa, 2600MPa, 2650MPa, 2700MPa, 2750MPa, 2800MPa, etc.
  • the elongation at break of the glass fiber is 3.0-4.0%, for example, it can be 3.2%, 3.4%, 3.6%, 3.8%, etc.
  • the thermoplastic resin includes any one or a combination of at least two of polyphenylene sulfide, polyethersulfone or polyetheretherketone.
  • the thermoplastic resin includes a combination of polyphenylene sulfide, polyethersulfone and polyetheretherketone.
  • the mass ratio of polyphenylene sulfide, polyethersulfone and polyetheretherketone is (1-2):(1-2):1, for example, it can be 1:1:1, 1:2:1. , 2:1:1, 2:2:1, etc.
  • thermoplastic resin adopts a combination of polyphenylene sulfide, polyethersulfone and polyetheretherketone, and within a specific ratio, polyphenylene sulfide, polyethersulfone and polyetheretherketone can further improve Toughness, bending properties and high temperature resistance of carbon fiber composites.
  • the number average molecular weight of the thermoplastic resin is 30,000 to 350,000, for example, it can be 40,000, 60,000, 80,000, 100,000, 150,000, 200,000, 250,000, 300,000, etc.
  • thermoplastic carbon fiber composite material in a second aspect, includes the following steps:
  • Carbon fiber, glass fiber and thermoplastic resin are pultruded to obtain the thermoplastic carbon fiber composite material.
  • the step of pultrusion includes:
  • the carbon fiber and glass fiber are laid out, immersed in a thermoplastic resin suspension, and then shaped to obtain the thermoplastic carbon fiber composite material.
  • the device for placing yarn includes a tension spinning creel.
  • the equipment used for dipping into the thermoplastic resin suspension includes a dipping tank, a yarn guide roller and a dipping pressure roller.
  • an ultrasonic generator is provided at the bottom of the glue dipping tank.
  • thermoplastic resin particle suspension is dispersed through an ultrasonic generator, so that the thermoplastic resin particles remain uniformly dispersed in the solution and the stability of the impregnation is improved.
  • the solution in the thermoplastic resin suspension includes any one or a combination of at least two of methanol, ethanol or ethyl acetate.
  • the concentration of the thermoplastic resin suspension is 30-70g/L, for example, it can be 35g/L, 40g/L, 45g/L, 50g/L, 55g/L, 60g/L, 65g/L, etc.
  • the suspension impregnation of carbon fiber, glass fiber and thermoplastic resin particles allows the thermoplastic resin particles to be evenly distributed on the fiber surface, which facilitates improving the quality stability of the pultruded mandrel.
  • the particle size of the thermoplastic resin in the thermoplastic resin suspension is 10 to 200 ⁇ m, for example, it may be 20 ⁇ m, 40 ⁇ m, 60 ⁇ m, 80 ⁇ m, 100 ⁇ m, 120 ⁇ m, 140 ⁇ m, 160 ⁇ m, 180 ⁇ m, etc.
  • thermoplastic resin particles and solutions are prepared into a thermoplastic resin suspension.
  • the thermoplastic resin particles are evenly distributed on the surfaces of carbon fibers and glass fibers through suspension impregnation, and then melted and pultruded to form carbon fibers and glass.
  • the fiber is fully impregnated, which further improves the toughness and bending strength of carbon fiber composite materials and saves costs.
  • the step of immersing in the thermoplastic resin suspension further includes the step of removing the solution.
  • the device for removing solution is a heatable device equipped with a ventilation duct, an exhaust fan and a condensation reflux device.
  • the temperature of the removal solution is 80-100°C, for example, it can be 85°C, 90°C, 95°C, etc.
  • the forming includes forming after undergoing a first stage of heating and melting, a second stage of heating and melting, a first stage of cooling and shaping, and a second stage of cooling and shaping.
  • the heating and melting temperature of the first stage is 330-360°C, for example, it can be 335°C, 340°C, 345°C, 350°C, 355°C, etc.
  • the heating and melting temperature in the second stage is 360-390°C, for example, it can be 365°C, 370°C, 375°C, 380°C, 385°C, etc.
  • the temperature of the first stage of cooling and shaping is 230-260°C, for example, it can be 235°C, 240°C, 245°C, 250°C, 255°C, etc.
  • the cooling and shaping temperature in the second stage is 150-180°C, for example, it can be 155°C, 160°C, 165°C, 170°C, 175°C, etc.
  • thermoplastic carbon fiber composite material in the embodiment of the present application, a four-stage segmented heating method of first high temperature and then low temperature is used to enable the thermoplastic carbon fiber composite material to be stably formed.
  • the carbon fiber and glass fiber are placed through the tension spinning frame, they are immersed in the thermoplastic resin suspension through the yarn guide roller and the dipping pressure roller in a dipping tank with an ultrasonic generator at the bottom. The solution is then removed and heated in the first stage.
  • embodiments of the present application provide an overhead conductor core rod, which includes the thermoplastic carbon fiber composite material as described in the first aspect.
  • thermoplastic carbon fiber composite material provided in the embodiment of the present application is compounded with a specific type of thermoplastic resin, carbon fiber and glass fiber, so that the overhead conductor core rod including the thermoplastic carbon fiber composite material has excellent high temperature resistance, toughness and bending performance;
  • the performance indicators can all meet the requirements of GB/T 29324-2012 "Fibre-reinforced resin matrix composite core rod for overhead conductors" standard.
  • Figure 2 is a schematic structural diagram of the dipping tank in the pultrusion equipment used in the preparation method provided in Example 1 of the present application;
  • 31-exhaust fan 32-condensation reflux device, 33-ventilation duct, 34-solution removal main device.
  • Polyethersulfone BASF E2010, Germany
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method includes the following steps:
  • the ethanol suspension of the thermoplastic resin is immersed in the dipping tank with an ultrasonic generator at the bottom through the yarn guide roller and the dipping pressure roller (the concentration of the thermoplastic resin is 50g/ L), under the condition of 90°C, the ethanol is removed through the solution removal device including ventilation ducts, exhaust fans and condensation reflux devices and is condensed and recovered; then it undergoes the first stage of heating and melting (330°C), the second stage After heating and melting (360°C), the first stage of cooling and shaping (240°C) and the second stage of cooling and shaping (160°C), the thermoplastic composite material is obtained by pultrusion; the traction speed during molding is 3 meters/minute .
  • thermoplastic carbon fiber composite material includes 18 parts of carbon fiber (the carbon fiber includes 12,000 carbon fiber monofilaments), 26 parts of glass fiber and 8 parts of polyphenylene sulfide (particle size is 100 ⁇ m).
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method includes the following steps:
  • the carbon fiber and glass fiber are placed through the tension creel, they are immersed in the ethanol suspension of polyphenylene sulfide (polyphenylene sulfide) in the dipping tank with an ultrasonic generator at the bottom through the yarn guide roller and the dipping pressure roller.
  • polyphenylene sulfide polyphenylene sulfide
  • thermoplastic carbon fiber composite material which includes 18 parts of carbon fiber (the carbon fiber includes 12,000 carbon fiber monofilaments), 26 parts of glass fiber, and 8 parts of polyethersulfone (particle size is 100 ⁇ m).
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method includes the following steps:
  • thermoplastic carbon fiber composite material is obtained by pultrusion after two stages of heating and melting (360°C), the first stage of cooling and shaping (240°C) and the second stage of cooling and shaping (160°C).
  • the traction speed during molding is 3 m/min.
  • thermoplastic carbon fiber composite material includes 18 parts of carbon fiber (the carbon fiber includes 12,000 carbon fiber monofilaments), 26 parts of glass fiber and 8 parts of polyetheretherketone (particle size is 100 ⁇ m). .
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method includes the following steps:
  • thermoplastic carbon fiber composite material includes 36 parts of carbon fiber (the carbon fiber includes 6000 carbon fiber monofilaments), 54 parts of glass fiber and 18 parts of thermoplastic resin; the thermoplastic resin includes a mass ratio of It is 1:2:1 polyphenylene sulfide (particle size is 100 ⁇ m), polyethersulfone (particle size is 100 ⁇ m) and polyether ether ketone (particle size is 100 ⁇ m).
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method is the same as Embodiment 1.
  • thermoplastic carbon fiber composite material includes 60 parts of carbon fiber (the carbon fiber includes 24,000 carbon fiber monofilaments), 75 parts of glass fiber and 29 parts of thermoplastic resin; the thermoplastic resin includes a mass ratio of It is 2:2:1 polyphenylene sulfide (particle size is 100 ⁇ m), polyethersulfone (particle size is 100 ⁇ m) and polyether ether ketone (particle size is 100 ⁇ m).
  • This embodiment provides a method for preparing the thermoplastic carbon fiber composite material.
  • the preparation method is the same as Embodiment 1.
  • thermoplastic carbon fiber composite material which is different from Example 1 only in that the polyphenylene sulfide is replaced by thermoplastic polyamide, and other raw materials and dosages are the same as those in Example 1.
  • This embodiment provides a thermoplastic carbon fiber composite material, in which the first section is heated and melted at a temperature of 190°C, the second section is heated and melted at a temperature of 260°C, the first section is cooled and shaped at a temperature of 200°C, and the second section is cooled and shaped.
  • the temperature was 150°C, and the remaining steps were the same as in Example 1.
  • thermoplastic carbon fiber composite material which is different from Embodiment 1 only in that the thermoplastic resin includes polyphenylene sulfide, polyethersulfone and polyetheretherketone in a mass ratio of 1:1:2. Others The raw materials and dosage are the same as in Example 1.
  • thermoplastic carbon fiber composite material This embodiment provides a thermoplastic carbon fiber composite material, and the specific steps are the same as those in Embodiment 1.
  • thermoplastic carbon fiber composite material This embodiment provides a thermoplastic carbon fiber composite material.
  • the only difference from Example 1 is that in the preparation method, the ethanol suspension of thermoplastic resin is replaced by molten thermoplastic resin glue.
  • the other raw materials, dosages and preparation methods are the same. Same as Example 1.
  • thermoplastic carbon fiber composite material which is different from Embodiment 1 only in that the total amount of fiber and thermoplastic resin remains unchanged, the mass ratio of fiber to thermoplastic resin is 4:1, and other raw materials, The proportions and preparation methods are the same as those in Example 1.
  • thermoplastic carbon fiber composite material which is different from Example 1 only in that the carbon fibers are replaced with tows including 48,000 carbon fiber monofilaments, and other raw materials, dosages, and preparation methods are the same as in Example 1.
  • thermoplastic carbon fiber composite material This embodiment provides a thermoplastic carbon fiber composite material.
  • the only difference from Example 1 is that the glass fiber is replaced by a glass fiber with a diameter of 30 ⁇ m.
  • Other raw materials, dosages and preparation methods are the same as Example 1.

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Abstract

La présente divulgation divulgue un matériau composite de fibre de carbone thermoplastique, et un procédé de préparation associé et une utilisation associée. Le matériau composite de fibre de carbone thermoplastique comprend, en parties en poids, de 13 à 68 parties de fibre de carbone, de 15 à 89 parties de fibre de verre et de 8 à 30 parties de résine thermoplastique. Le procédé de préparation du matériau composite de fibre de carbone thermoplastique selon la présente demande comprend : la mise en œuvre d'un moulage par pultrusion sur la fibre de carbone, la fibre de verre et la résine thermoplastique pour obtenir le matériau composite de fibre de carbone thermoplastique. Selon le matériau composite de fibre de carbone thermoplastique fourni par la présente demande, la fibre de carbone, la fibre de verre et un type spécifique de résine thermoplastique sont composés, de sorte que le matériau composite de fibre de carbone présente une excellente ténacité et une excellente performance de flexion et est approprié pour des conducteurs aériens.
PCT/CN2022/104033 2022-07-06 2022-07-06 Matériau composite de fibre de carbone thermoplastique, procédé de préparation associé et utilisation associée WO2024007179A1 (fr)

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PCT/CN2022/104033 WO2024007179A1 (fr) 2022-07-06 2022-07-06 Matériau composite de fibre de carbone thermoplastique, procédé de préparation associé et utilisation associée
CN202280002757.7A CN115298265B (zh) 2022-07-06 2022-07-06 一种热塑性碳纤维复合材料及其制备方法和用途

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