CN114644825A - Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof - Google Patents
Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof Download PDFInfo
- Publication number
- CN114644825A CN114644825A CN202210248420.6A CN202210248420A CN114644825A CN 114644825 A CN114644825 A CN 114644825A CN 202210248420 A CN202210248420 A CN 202210248420A CN 114644825 A CN114644825 A CN 114644825A
- Authority
- CN
- China
- Prior art keywords
- thermoplastic resin
- resin composition
- carbon fiber
- reinforced thermoplastic
- 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.)
- Granted
Links
Classifications
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a conductive carbon fiber reinforced thermoplastic resin composition, and a preparation method and application thereof, and belongs to the technical field of polymer modified materials. The conductive carbon fiber reinforced thermoplastic resin composition comprises the following components in parts by weight: 50-95 parts of thermoplastic resin; 5-40 parts of carbon fiber; 0.1-5 parts of carbon nano tubes; 0.1 to 15 portions of other auxiliary agents. According to the conductive carbon fiber reinforced thermoplastic resin composition, the problem of uneven conductivity of the carbon fiber resin composite material caused by fiber orientation is solved by adding the compound carbon nanotube of the single-walled carbon nanotube and the multi-walled carbon nanotube with the three-dimensional mesh structure, the conductivity of the carbon fiber reinforced thermoplastic resin composition is obviously improved, the addition amount of the carbon nanotube is small, the influence on mechanical properties of the carbon fiber resin composite material, particularly impact strength is small, and the conductive carbon fiber reinforced thermoplastic resin composition has excellent conductivity and mechanical properties.
Description
Technical Field
The invention relates to the technical field of high-molecular modified materials, in particular to a conductive carbon fiber reinforced thermoplastic resin composition, and a preparation method and application thereof.
Background
The conductive plastic is widely applied to the fields of semiconductors, antistatic materials, conductive materials and the like, and the existing conductive plastic is mainly filled conductive plastic and is filled with conductive fillers (such as carbon fibers, carbon nanotubes, conductive carbon black, graphite fibers, metal fibers and the like). The carbon fiber is used as a fibrous conductive filler, has conductivity and a reinforcing effect, so that the resin composition containing the carbon fiber has excellent conductivity and mechanical properties. However, carbon fibers have an obvious aspect ratio, fiber orientation causes anisotropy of the carbon fiber resin composite material, and influences the conductivity of the material, generally, the resistance along the carbon fiber orientation direction is low, the resistance along the vertical orientation direction is high, the carbon fiber resin composite material has conductivity orientation, and the final improvement effect of the conductivity and the impact strength is not ideal.
The prior art discloses a conductive thermoplastic resin composition comprising a polycarbonate resin and a conductive filler, wherein the conductive filler comprises carbon nanotube modified glass fibers and/or treated carbon nanotube modified glass fibers, which have a certain improvement effect on the conductivity of the thermoplastic resin, but the impact property of the conductive thermoplastic resin composition can only reach 6kJ/m2The mechanical properties of the conductive thermoplastic resin composition are poor and the thermoplastic properties are not solvedThe resin composition has a difference in transverse and longitudinal resistances.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the existing conductive plastic thermoplastic resin composition such as large anisotropy, large difference of transverse and longitudinal resistances and poor mechanical properties, particularly impact properties, and provides a conductive carbon fiber reinforced thermoplastic resin composition.
Another object of the present invention is to provide a method for preparing the conductive carbon fiber reinforced thermoplastic resin composition.
Still another object of the present invention is to provide a use of the conductive carbon fiber reinforced thermoplastic resin composition for preparing semiconductors, antistatic materials and conductive materials.
The above purpose of the invention is realized by the following technical scheme:
the conductive carbon fiber reinforced thermoplastic resin composition comprises the following components in parts by weight:
50-95 parts of thermoplastic resin; 5-40 parts of carbon fiber; 0.1-5 parts of carbon nano tubes; 0.1 to 15 portions of other auxiliary agents,
wherein the carbon nano tube comprises a component I, a component II and a component III,
the component I: the carbon nano tube consists of a single-walled carbon nano tube with the diameter of 0.8-5 nm, the length of 2-40 mu m and the carbon weight content of more than or equal to 85 percent, and accounts for 5-25 percent of the total weight of the carbon nano tube;
and (2) component II: the carbon nanotube composite material consists of multi-wall carbon nanotubes with the diameter of 8-15 nm, the length of 20-150 mu m and the carbon weight content of more than or equal to 90 percent, and accounts for 50-80 percent of the total weight of the carbon nanotubes;
and (3) component III: the carbon nanotube composite material consists of a multi-wall carbon nanotube with the diameter of 20-50 nm, the length of 2-15 mu m and the carbon content of more than or equal to 90 percent by weight, and accounts for 10-25 percent of the total weight of the carbon nanotube.
Among them, it should be noted that:
the diameters of the carbon nanotubes in the component I, the component II and the component III of the carbon nanotube are measured by a Transmission Electron Microscope (TEM), the lengths are measured by a field emission scanning electron microscope (FE-SEM), and the carbon content is measured by a thermogravimetric analyzer (TGA).
The carbon nanotube of the present invention is a mixture of single-walled carbon nanotubes and multi-walled carbon nanotubes having a three-dimensional mesh structure.
The single-walled carbon nanotube (component I) with smaller diameter and shorter length is easy to wind on the carbon fiber and has more contact points with the carbon fiber, but the single-walled carbon nanotube is difficult to disperse in resin and easy to agglomerate, and is not beneficial to forming a conductive channel. The longer length multi-walled carbon nanotubes (component II) may better act as bridging in the resin composition. The multi-wall carbon nano-tube (component III) with larger diameter and shorter length can promote the dispersion of the carbon nano-tube (component I and component II) in the resin composition and improve the conductivity. The compounding of the three carbon nano tubes can play a synergistic role, the electrical conductivity of the carbon fiber reinforced thermoplastic resin composition can be obviously improved by adding a small amount of the compounded carbon nano tubes, the electrical conductivity of the carbon fiber reinforced thermoplastic resin composition is obviously improved by adding a small amount of the compounded carbon nano tubes, the problem of uneven electrical conductivity of the carbon fiber resin composite material caused by fiber orientation is solved, and the electrical conductivity in the direction perpendicular to the carbon fiber orientation is greatly improved. Meanwhile, the carbon nano tube needs less additive amount, so that the influence on the mechanical property of the carbon fiber resin composite material, especially on the impact strength is small.
The diameter, the length and the carbon weight fraction limited by the carbon nano tube refer to the diameter, the length and the carbon weight fraction of the raw material carbon nano tube, the raw material carbon nano tube is a flexible material, the raw material carbon nano tube is fed by adopting a feeding mode from a side feed port of a double-screw extruder, and the diameter and the length change after extrusion processing is very small and can be ignored.
Other auxiliary agents of the invention comprise an antioxidant, a flame retardant, a filler, a flexibilizer, a colorant, a nucleating agent, a UV light and heat stabilizer, a lubricant and the like, and the selection of the other auxiliary agents can be selected and added according to the actual conditions of other performance requirements of the conductive plastic.
Preferably, the composition comprises the following components in parts by weight:
68-86 parts of thermoplastic resin; 10-30 parts of carbon fiber; 0.5-3 parts of carbon nano tubes; 0.1-15 parts of other additives.
In a specific embodiment, in order to further optimize the improvement of the electrical conductivity and mechanical properties of the thermoplastic resin composition, preferably, the component i accounts for 10 to 20% of the total weight of the carbon nanotubes.
In a specific embodiment, in order to further optimize the improvement of the electrical conductivity and mechanical properties of the thermoplastic resin composition, preferably, the component ii accounts for 60 to 70% of the total weight of the carbon nanotubes.
In a specific embodiment, in order to further optimize the improvement of the conductive performance and the mechanical performance of the thermoplastic resin composition, preferably, the component iii accounts for 15 to 25 percent of the total weight of the carbon nanotubes.
Preferably, the thermoplastic resin is a mixture of polyphenylene oxide and polystyrene, and the ratio of the polyphenylene oxide to the polystyrene is 1-10: 1.
Among them, the ratio of polyphenylene ether in the thermoplastic resin composition affects the processability, the dispersibility of the carbon nanotube CNT in the system, and thus the impact strength of the conductive carbon fiber-reinforced thermoplastic resin composition, and the ratio of polyphenylene ether affects the poor bending strength and heat resistance of the conductive carbon fiber-reinforced thermoplastic resin composition. Therefore, in a specific embodiment, in order to further optimize the conductive performance and mechanical property improvement of the thermoplastic resin composition, the thermoplastic resin is polyphenylene oxide and/or polystyrene, preferably a mixture of polyphenylene oxide and polystyrene, and the mass ratio of polyphenylene oxide to polystyrene is 1-10: 1.
Preferably, the polyphenylene ether has an intrinsic viscosity of 30 to 45cm as measured in chloroform at 25 ℃3/g。
In the thermoplastic resin composition of the present invention, the intrinsic viscosity of polyphenylene ether affects the mechanical properties of the composition and the dispersibility of carbon nanotubes.
Preferably, the polystyrene has a notched impact strength of 7kJ/m or more, measured at 23 ℃/1eA according to test standard ISO180-20002。
The impact strength of the polystyrene is too low, and the impact strength is reduced after the carbon nano tube is addedLarge, therefore, it is preferred in the present invention that the notched impact strength is 7kJ/m or more2The polystyrene of (4).
Preferably, the average fiber diameter of the carbon fibers in the conductive carbon fiber reinforced thermoplastic resin composition is 6 to 9 μm.
The overall dispersibility is affected by too small a diameter of the carbon fiber, the carbon nanotube is not easily wound by too large a diameter, the electrical conductivity improvement effect is affected by less contact points between the carbon fiber and the carbon nanotube, and the processing operation simplicity is also considered, so that the above effect is comprehensively improved, and the fiber diameter of the carbon fiber is preferably 6 to 9 μm.
The length of the carbon fiber is preferably 3-12 mm.
The carbon fiber is carbon fiber chopped strands.
The average fiber diameter of the carbon fibers in the conductive carbon fiber-reinforced thermoplastic resin composition can be measured by the following method:
the conductive carbon fiber-reinforced thermoplastic resin composition was thermostatted at 600 ℃ for 1 hour under a nitrogen atmosphere, and the resulting residue contained carbon fibers, the diameter of which was measured with an optical microscope.
The invention also specifically provides a preparation method of the conductive carbon fiber reinforced thermoplastic resin composition, which comprises the following steps:
according to the proportion, the thermoplastic resin and other additives are uniformly mixed and then are put into a double-screw extruder from a main feeding port, the carbon nano tubes and the carbon fibers enter the double-screw extruder through a side feeding port, and the conductive carbon fiber reinforced thermoplastic resin composition is prepared through extrusion, cooling and granulation.
Preferably, the extrusion temperature is 230-300 ℃, the mixing speed is 200-1200 rpm, and the mixing time is 2-6 minutes.
Preferably, the twin-screw extruder comprises 10 screw barrels, and the 7 th screw barrel in sequence from the main feeding to the head has a side feeding port.
The conductive carbon fiber reinforced thermoplastic resin composition has excellent conductivity and mechanical property, and the application of the conductive carbon fiber reinforced thermoplastic resin composition in the preparation of semiconductors, antistatic materials and conductive materials is also within the protection range of the invention.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the conductive carbon fiber reinforced thermoplastic resin composition, the compound carbon nanotube of the single-walled carbon nanotube and the multi-walled carbon nanotube with a three-dimensional mesh structure is added, so that the problem of uneven conductivity of a carbon fiber resin composite material caused by fiber orientation is solved, and the conductivity of the carbon fiber reinforced thermoplastic resin composition is obviously improved.
(2) The conductive carbon fiber reinforced thermoplastic resin composition disclosed by the invention has the advantages that the required addition amount of the carbon nano tubes is small, the influence on the mechanical properties of the carbon fiber resin composite material, particularly the impact strength, is small, and the conductive carbon fiber reinforced thermoplastic resin composition has excellent conductivity and mechanical properties.
Detailed Description
The present invention will be further described with reference to specific embodiments, but the present invention is not limited to the embodiments in any way. The starting reagents employed in the examples of the present invention are, unless otherwise specified, those that are conventionally purchased.
The starting materials for the examples and comparative examples of the invention are illustrated below:
(1) sources of raw materials
PPO-1: polyphenylene ether having an intrinsic viscosity of 40cm3(iv)/g, Lanxinghua chemical, LXR 040;
PPO-2: polyphenylene ether having an intrinsic viscosity of 45cm3(iv)/g, Lanxinghua chemical, LXR 045;
PPO-3: polyphenylene ether having an intrinsic viscosity of 50cm3(iv)/g, Lanxinghuamchanism, LXR 050;
PPO-4: polyphenylene ether having an intrinsic viscosity of 18cm3/g，SABIC，NORYL SA120。
PS-1: polystyrene, notched impact strength 7.3kJ/m2Germany hurst, XS 4400W;
PS-2: polystyrene, notched impact Strength 8.2kJ/m2GH660, petrochemical company, china;
PS-3: polystyrene, notched impact Strength 6.3kJ/m2HIPS GH660, Chinese petrochemical company;
CF-1: carbon fiber, 6mm in length, 7 μm in average diameter, Toho Corp, T008-006;
CF-2: carbon fiber, length 6mm, mean diameter 5 μm, murmur, T80;
CF-3: carbon fiber, length 6mm, average diameter 10 μm, Toho Corp, HT C493;
CNT-1: the single-walled carbon nanotube has the diameter of 1nm to 2.0nm, the length of 10 to 30 mu m and the carbon content of 93.0 percent; china age, TNS;
CNT-2: the multi-wall carbon nano tube has the diameter of 8-15 nm, the length of 20-50 mu m and the carbon content of 93.0 percent; dazhu corporation, GT-210;
CNT-3: a multi-walled carbon nanotube having a diameter of 20nm to 30nm, a length of 3 to 12 μm, a carbon content of 97.5%, Dazhang Co., GT-400;
other auxiliary agents:
antioxidant: hindered phenolic antioxidants, commercially available, were used in parallel experiments with the same commercially available product;
lubricant: pentaerythritol stearate, commercially available, was used in parallel with the same commercially available product.
Example 1
A conductive carbon fiber reinforced thermoplastic resin composition comprises the components shown in the following table 1 in parts by weight.
TABLE 1
Examples 9 to 11
An electrically conductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that polyphenylene oxide was PPO-2.
An electrically conductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that polyphenylene oxide was PPO-3.
An electrically conductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that polyphenylene oxide was PPO-4.
Examples 12 to 13
A conductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that styrene is PS-2.
A conductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that styrene is PS-3.
Examples 14 to 15
An electroconductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that the carbon fibers are CF-2.
An electroconductive carbon fiber-reinforced thermoplastic resin composition comprising substantially the same components and amounts as in example 5, except that the carbon fibers are CF-3.
The preparation method of the conductive carbon fiber reinforced thermoplastic resin composition of the above examples 1 to 15 is specifically as follows:
according to the proportion, thermoplastic resin and other additives are uniformly mixed and then are put into a double-screw extruder from a main feeding port, the double-screw extruder comprises 10 screw barrels, a side feeding port is arranged on the 7 th screw barrel in the sequence from the main feeding port to a machine head, carbon nano tubes and carbon fibers enter the double-screw extruder through the side feeding port, and the conductive carbon fiber reinforced thermoplastic resin composition is prepared through extrusion, cooling and granulation. Wherein the extrusion temperature is 270 ℃, the mixing speed is 400 rpm, and the mixing time is 4 minutes.
Comparative example
A conductive carbon fiber reinforced thermoplastic resin composition comprises the following components in parts by weight as shown in the following table 2.
TABLE 2
The preparation methods of the conductive carbon fiber reinforced thermoplastic resin compositions of comparative examples 1 to 8 described above were as follows:
according to the proportion, thermoplastic resin and other additives are uniformly mixed and then are put into a double-screw extruder from a main feeding port, the double-screw extruder comprises 10 screw barrels, a side feeding port is arranged on the 7 th screw barrel in the sequence from the main feeding port to a machine head, carbon nano tubes and carbon fibers enter the double-screw extruder through the side feeding port, and the conductive carbon fiber reinforced thermoplastic resin composition is prepared through extrusion, cooling and granulation. Wherein the extrusion temperature is 270 ℃, the mixing speed is 400 rpm, and the mixing time is 4 minutes.
Result detection
The performance evaluation and test method comprises the following steps:
conductivity evaluation: the conductive carbon fiber thermoplastic resin composition was injection-molded to obtain a square plate having dimensions of 100mm in length by 100mm in width by 3mm in thickness, the square plate having only one gate in the face of 100mm by 3mm, from which the melt entered the cavity.
The surface resistance of the sample plate surface in the melt flow direction (transverse direction) and perpendicular to the melt flow direction (longitudinal direction) were tested using ASTM standard D257-2007.
Flexural strength was tested according to GB/T9341-2000, notched impact strength was tested according to GB/T1843-1996.
The results of the measurements are shown in Table 3 below.
Table 3.
The conductive carbon fiber reinforced thermoplastic resin composition has transverse surface resistance of (1.02E + 02-1.20E +06) omega, longitudinal surface resistance of (1.30E + 03-1.50E +07) omega, and good conductivity. Further, it can be seen from the examples and comparative examples that the addition of the compounded carbon nanotubes in the conductive carbon fiber reinforced thermoplastic resin composition of the present invention improves the conductivity of the carbon fiber reinforced thermoplastic resin composition, and reduces the difference in the resistance between the transverse direction and the longitudinal direction, i.e., reduces the ratio of the surface resistance in the longitudinal direction to the surface resistance in the transverse direction. And because the addition amount of the compound carbon nano tube is less, the influence on the mechanical property of the carbon fiber resin composite material is less, and the mechanical property of the carbon fiber resin composite material is better maintained.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. The conductive carbon fiber reinforced thermoplastic resin composition is characterized by comprising the following components in parts by weight:
50-95 parts of thermoplastic resin; 5-40 parts of carbon fiber; 0.1-5 parts of carbon nano tubes; 0.1 to 15 portions of other auxiliary agents,
wherein the carbon nano tube comprises a component I, a component II and a component III,
the component I: the carbon nano tube consists of a single-walled carbon nano tube with the diameter of 0.8-5 nm, the length of 2-40 mu m and the carbon weight content of more than or equal to 85 percent, and accounts for 5-25 percent of the total weight of the carbon nano tube;
and (2) component II: the carbon nanotube composite material consists of multi-wall carbon nanotubes with the diameter of 8-15 nm, the length of 20-150 mu m and the carbon weight content of more than or equal to 90 percent, and accounts for 50-80 percent of the total weight of the carbon nanotubes;
and (3) component III: the carbon nanotube composite material consists of multi-wall carbon nanotubes with the diameter of 20-50 nm, the length of 2-15 mu m and the carbon weight content of more than or equal to 90 percent, and accounts for 10-25 percent of the total weight of the carbon nanotubes.
2. The conductive carbon fiber-reinforced thermoplastic resin composition as claimed in claim 1, comprising the following components in parts by weight:
68-86 parts of thermoplastic resin; 10-30 parts of carbon fibers; 0.5-3 parts of carbon nano tubes; 0.1-15 parts of other additives.
3. The conductive carbon fiber-reinforced thermoplastic resin composition as claimed in claim 1, wherein the component I is 10 to 20% by weight based on the total weight of the carbon nanotubes.
4. The conductive carbon fiber-reinforced thermoplastic resin composition of claim 1, wherein the component II is 60 to 70% by weight based on the total weight of the carbon nanotubes.
5. The conductive carbon fiber-reinforced thermoplastic resin composition according to claim 1, wherein the component III is 15 to 25% by weight based on the total weight of the carbon nanotubes.
6. The conductive carbon fiber reinforced thermoplastic resin composition as claimed in claim 1, wherein the thermoplastic resin is polyphenylene ether and/or polystyrene, preferably a mixture of polyphenylene ether and polystyrene, and the mass ratio of polyphenylene ether to polystyrene is 1 to 10: 1.
7. The conductive carbon fiber-reinforced thermoplastic resin composition as claimed in claim 6, wherein the polyphenylene ether has an intrinsic viscosity of 30 to 45cm as measured in chloroform at 25 ℃3/g。
8. The electrically conductive carbon fiber-reinforced thermoplastic resin composition as claimed in claim 6, wherein the polystyrene has a notched impact strength of not less than 7kJ/m as measured at 23 ℃/1eA in accordance with ISO test 180:20002。
9. The conductive carbon fiber-reinforced thermoplastic resin composition according to claim 1, wherein the average fiber diameter of the carbon fibers in the conductive carbon fiber-reinforced thermoplastic resin composition is 6 to 9 μm.
10. A method for producing the conductive carbon fiber-reinforced thermoplastic resin composition according to any one of claims 1 to 9, comprising the steps of:
according to the proportion, the thermoplastic resin, the carbon nano tube and other additives are uniformly mixed and then put into a double-screw extruder from a main feeding port, carbon fibers enter the double-screw extruder through a side feeding port, and the conductive carbon fiber reinforced thermoplastic resin composition is prepared through extrusion, cooling and granulation.
11. Use of the conductive carbon fiber-reinforced thermoplastic resin composition according to any one of claims 1 to 9 for the preparation of semiconductors, antistatic materials and conductive materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248420.6A CN114644825B (en) | 2022-03-14 | 2022-03-14 | Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248420.6A CN114644825B (en) | 2022-03-14 | 2022-03-14 | Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114644825A true CN114644825A (en) | 2022-06-21 |
| CN114644825B CN114644825B (en) | 2023-05-05 |
Family
ID=81993864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210248420.6A Active CN114644825B (en) | 2022-03-14 | 2022-03-14 | Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114644825B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115850971A (en) * | 2022-11-30 | 2023-03-28 | 金发科技股份有限公司 | High-modulus high-conductivity carbon fiber reinforced material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140221533A1 (en) * | 2011-10-05 | 2014-08-07 | National Institute Of Advanced Industrial Science And Technology | Carbon nanotube composite material and thermal conductor |
| US20180112046A1 (en) * | 2016-10-25 | 2018-04-26 | Council Of Scientific And Industrial Research | Process for the preparation of carbon fiber-carbon nanotubes reinforced hybrid polymer composites for high strength structural applications |
| CN112646352A (en) * | 2020-12-28 | 2021-04-13 | 金发科技股份有限公司 | High-performance conductive polyphenyl ether/polystyrene alloy material and preparation method and application thereof |
-
2022
- 2022-03-14 CN CN202210248420.6A patent/CN114644825B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140221533A1 (en) * | 2011-10-05 | 2014-08-07 | National Institute Of Advanced Industrial Science And Technology | Carbon nanotube composite material and thermal conductor |
| US20180112046A1 (en) * | 2016-10-25 | 2018-04-26 | Council Of Scientific And Industrial Research | Process for the preparation of carbon fiber-carbon nanotubes reinforced hybrid polymer composites for high strength structural applications |
| CN112646352A (en) * | 2020-12-28 | 2021-04-13 | 金发科技股份有限公司 | High-performance conductive polyphenyl ether/polystyrene alloy material and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115850971A (en) * | 2022-11-30 | 2023-03-28 | 金发科技股份有限公司 | High-modulus high-conductivity carbon fiber reinforced material and preparation method and application thereof |
| CN115850971B (en) * | 2022-11-30 | 2024-02-13 | 金发科技股份有限公司 | High-modulus high-conductivity carbon fiber reinforced material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114644825B (en) | 2023-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112538219A (en) | Polypropylene composition and preparation method thereof | |
| CN111073274B (en) | Heat-conducting insulating glass fiber reinforced PA66/HDPE alloy material and preparation method thereof | |
| KR20090108009A (en) | Thermally conducting and electrically insulating moldable compositions and methods of manufacture thereof | |
| KR20140126292A (en) | Production method for conductive resin composition, and conductive resin composition | |
| CN107541049B (en) | Graphene-continuous glass fiber reinforced halogen-free flame-retardant weather-resistant PPO/HIPS alloy material and preparation method thereof | |
| CN114644825B (en) | Conductive carbon fiber reinforced thermoplastic resin composition and preparation method and application thereof | |
| CN112409701B (en) | Low-density conductive polypropylene composition and preparation method and application thereof | |
| CN112759846A (en) | Graphene modified polymer composite material for bearing seat and preparation method thereof | |
| CN111499973B (en) | Conductive carbon fiber resin composition and preparation method thereof | |
| CN114230927B (en) | Conductive thermoplastic resin composition and preparation method and application thereof | |
| CN112662077A (en) | Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof | |
| CN110091500B (en) | Electromagnetic shielding 3D printing wire with coating structure, preparation method thereof and matched 3D printing method | |
| CN114395242B (en) | High-heat-conductivity POK composite material and preparation method and application thereof | |
| CN115181416B (en) | Polyamide engineering plastic and preparation method and application thereof | |
| CN108034141B (en) | Graphene montmorillonite-filled general plastic nano material and preparation method thereof | |
| CN113831641B (en) | Polypropylene material composite material with low linear expansion coefficient and high surface hardness and preparation method thereof | |
| CN110564097B (en) | Reinforced SMA composite material with low warpage and high dimensional stability for automobile structural member and preparation method thereof | |
| CN108102208B (en) | Graphene montmorillonite filled ethylene-vinyl acetate nano material and preparation method thereof | |
| JP2017179369A (en) | Electroconductive resin composite and electroconductive resin composition having excellent impact strength, and method of producing the same | |
| CN115216145A (en) | High-impact-resistance conductive polyamide composite material | |
| CN110066455B (en) | Abrasion-resistant antistatic polypropylene material and preparation method thereof | |
| CN112341747A (en) | Carbon nanotube modified permanent antistatic ABS material and preparation method thereof | |
| CN110760176A (en) | PPO/HIPS alloy material and preparation method thereof | |
| CN114561096B (en) | High-dimensional-stability conductive PPE/PA alloy and preparation method and application thereof | |
| Guerreiro et al. | Development of electrically conductive polymer nanocomposites for the automotive cable industry |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |