CN110634597A - Graphene composite material cable and production method - Google Patents

Graphene composite material cable and production method Download PDF

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Publication number
CN110634597A
CN110634597A CN201910923738.8A CN201910923738A CN110634597A CN 110634597 A CN110634597 A CN 110634597A CN 201910923738 A CN201910923738 A CN 201910923738A CN 110634597 A CN110634597 A CN 110634597A
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graphene composite
layer
graphene
aluminum
composite material
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黄冬莲
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ANHUI LIANJIAXIANG SPECIAL CABLE Co Ltd
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ANHUI LIANJIAXIANG SPECIAL CABLE Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/182—Graphene
    • C01B32/198—Graphene oxide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/14—Macromolecular materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1005—Pretreatment of the non-metallic additives
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
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Abstract

The invention provides a graphene composite material cable which sequentially comprises a conductor layer, an insulating layer, an outer coating layer and a protective layer from inside to outside, wherein the protective layer is made of a graphene composite material, and the graphene composite material comprises the following raw materials in percentage by weight: 4-6% of graphite, 2-3% of sodium nitrate, 12-18% of potassium permanganate, 12-13% of concentrated sulfuric acid, 34-38% of deionized water, 10-11% of hydrogen peroxide, 6-7% of hydrazine hydrate, 5-6% of copper sulfate, 5-6% of aluminum block and 2-4% of fireproof material. According to the invention, the graphene composite material is used for replacing a metal braided shielding material and an aluminum foil material, so that the production cost is reduced while the process is simple, and the economic benefit is remarkable.

Description

Graphene composite material cable and production method
Technical Field
The invention relates to the field of cables, in particular to a graphene composite cable and a production method thereof.
Background
With the gradual acceleration of the urbanization process, urban planning tends to be more modern. In the urban construction process, the cable is buried to become the lowest construction requirement. Meanwhile, various cables erected in the air also need to be put into the ground in the urban reconstruction process. The requirements for the cable are: the cable needs to have the characteristics of high strength, good rigidity and toughness and the like, and in addition, due to the characteristics of the cable, the cable also needs to have shielding performance so as to achieve the purpose of shielding electromagnetic interference.
At present, a metal braid layer formed by an aluminum foil and a copper wire braid net is commonly added between an insulation layer and an outer layer of a cable to meet the requirement of the cable on shielding electromagnetic interference, but the metal braid layer has the technical problems of low quality, uneven pitch, complex braiding process, high cost and the like.
Therefore, a graphene composite cable and a production method thereof are urgently needed to be found, and the technical problems of complex process and high cost of the metal braided layer are solved.
Disclosure of Invention
The invention provides a graphene composite material cable and a production method thereof, aiming at the problems of complex process and high cost in the prior art.
The technical scheme provided by the invention for the technical problem is as follows: the utility model provides a graphite alkene combined material cable includes the conductor layer from inside to outside in proper order, the insulating layer, coats outward layer and protective layer, the protective layer material is graphite alkene combined material, graphite alkene combined material's raw materials according to weight percent, includes: 4-6% of graphite, 2-3% of sodium nitrate, 12-18% of potassium permanganate, 12-13% of concentrated sulfuric acid, 34-38% of deionized water, 10-11% of hydrogen peroxide, 6-7% of hydrazine tetrahydrate, 5-6% of copper sulfate, 5-6% of aluminum block and 2-4% of fireproof material.
In the graphene composite material cable, the particle size of the graphite is 43um, and the purity is 99.0%; the purity of the sodium nitrate is 99.0%; the purity of the concentrated sulfuric acid is 95.0 percent, and the purity of the potassium permanganate is 99.5 percent; the purity of the hydrogen peroxide is 5.0%; the purity of the hydrazine tetrahydrate is 80%, the purity of the copper sulfate is 80%, and the purity of the aluminum block is 99.99%.
In the graphene composite cable of the invention, the fireproof material comprises the following raw materials in percentage by weight: 59-65% of aluminum silicate, 4-6% of aluminum tripolyphosphate, 11-12% of polyaluminosiloxane, 7-9% of magnesium hydroxide, 4-5% of water glass, 3-4% of glass fiber, 2-3% of carborundum, 1-2% of talcum powder and 0.7-1% of melamine.
In the graphene composite cable, the conductor layer is a plurality of aluminum or aluminum alloy single wires with different colors.
In the graphene composite cable, the thickness of the graphene composite layer is 0.37mm-0.33 mm.
In the graphene composite cable, the protection layer is microscopically of a net structure.
In the graphene composite cable, the content of graphene in the graphene composite material layer is 1% -3%.
The invention also provides a production method of the graphene composite material, which is suitable for the graphene composite material and comprises the following steps: step S1, adding graphite and sodium nitrate into concentrated sulfuric acid at 0 ℃, sequentially adding potassium permanganate at 10 ℃ and 30 ℃ to catalyze the reaction at low temperature and medium temperature, and generating a medium-temperature reaction product; step S2, adding deionized water into the medium-temperature reaction product, controlling the reaction temperature to be 95 ℃, carrying out high-temperature reaction, and reacting for 30 minutes to generate a high-temperature reaction product; step S3, adding hydrogen peroxide into the high-temperature reaction product to dissolve the high-temperature reaction product, and continuously stirring the mixture by using a glass rod until the high-temperature reaction product is golden yellow; step S4, washing and filtering the golden high-temperature reaction product by using deionized water at 10000 r/min to generate a first filtering product, and carrying out ultrasonic treatment on the first filtering product for 2 hours to form graphene oxide colloid; step S5, heating the graphene oxide colloid in a water bath at 98 ℃, adding hydrazine tetrahydrate and copper sulfate, continuously stirring, reacting for 2 hours, washing and filtering to generate a secondary filtering product; step S6, washing and drying the secondary filtered product for 24 hours to generate an intermediate product; step S7, heating the aluminum block to 720 ℃ for melting to generate a melt; step S8, preparing a fireproof material; step S9, adding a fireproof material and an intermediate product into the melt, and stirring by a precise reinforcement electric stirrer; and step S10, when the temperature of the melt is reduced to 660 ℃, stopping stirring until the melt is cooled to a trial room, and generating the graphene composite material.
In the production method of the graphene composite material layer, the second filtered product is graphene, and the intermediate product is copper-based graphene.
In the above method for producing a graphene composite layer, the ultrasonic treatment in step S4 is performed at a power of 300W.
In the above method for producing a graphene composite layer of the present invention, step S8 includes: s81, uniformly mixing the aluminum silicate, the aluminum tripolyphosphate, the polyaluminosiloxane, the magnesium hydroxide, the water glass, the glass fiber, the carborundum, the talcum powder and the melamine according to the weight percentage to generate a mixture; s82, adding the mixture into a double-screw extruder, and melting and extruding in the double-screw extruder; and S83, drying and cutting the extruded molten mass into particles to obtain the fireproof material.
The technical scheme provided by the invention has the beneficial effects that: the invention provides a graphene composite cable and a production method thereof, aiming at the technical problems of complex process and higher cost in the prior art, the graphene composite material layer is prepared to replace a metal braided layer in the prior art, the technical problems of complex braiding process and higher cost of the metal braided layer are avoided, the prepared graphene composite material layer is high in strength and flexibility, the use requirement of the cable is met, and furthermore, a fireproof material is added into the graphene composite material layer to realize a fireproof function.
Drawings
Fig. 1 is a schematic structural diagram of a graphene composite cable according to an embodiment of the present invention;
fig. 2 is a schematic view of a microstructure of a graphene composite material cable graphene material composite layer according to an embodiment of the present invention;
fig. 3 is a schematic view of another microstructure of a graphene composite material cable graphene material composite layer according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for producing a graphene composite material cable graphene material composite layer according to a fourth embodiment of the present invention;
FIG. 5 is a flowchart of step S8 according to the fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a graphene composite cable according to a fifth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a graphene composite cable conductor layer according to a fifth embodiment of the present invention;
Detailed Description
In order to solve the technical problems of complex process and high cost in the prior art, the invention aims to provide a graphene composite material cable and a production method thereof, and the core idea is as follows: the prepared graphene composite material layer replaces a metal woven layer in the prior art, the technical problems that the metal woven layer is complex in weaving process and high in cost are solved, the prepared graphene composite material layer is high in strength and flexibility, the use requirement of a cable is met, and furthermore, a fireproof material is added into the graphene composite material layer to achieve a fireproof function.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a graphene composite material cable, which comprises a conductor layer 1, an insulating layer 2, an outer coating layer 3 and a protective layer 4 from inside to outside in sequence, wherein the insulating layer 2, the outer coating layer 3 and the protective layer 4 are concentric and circular rings, the outer surface of the insulating layer 2 is abutted against the inner surface of the outer coating layer 3, and the outer surface of the outer coating layer 3 is abutted against the inner surface of the protective layer 4. It should be noted that, a reinforcing core can be filled between the conductor layer 1 4 and the aluminum single wire, so as to improve the stability of the cable. The reinforced core can be a steel core, an aluminum-clad steel core, or various fiber-reinforced aluminum-based, resin-based, ceramic-based and other composite materials. The conductive layer 1, the insulating layer 2, and the overcoat layer 3 are all the prior art, and are not described herein, and the material of the protective layer 4 is a graphene composite material.
Example one
In one embodiment of the present invention, the raw materials of the graphene composite material include, by weight: 6% of graphite, 3% of sodium nitrate, 18% of potassium permanganate, 12% of concentrated sulfuric acid, 34% of deionized water, 10% of hydrogen peroxide, 5% of hydrazine tetrahydrate, 5% of copper sulfate, 5% of aluminum block and 2% of fireproof material. According to the invention, the composite material with high flexibility and good strength can be obtained by the aluminum block under the enhancement of graphene, and the use requirement of the cable is met.
The raw materials are purchased from the market, wherein the chemical formula of the sodium nitrate is NaNO3The chemical formula of the potassium permanganate is KMnO4The chemical formula of the concentrated sulfuric acid is H2SO4Hydrogen peroxide of the formula H2O2Hydrazine hydrate of the formula N2H4·H2O, copper sulfate has the chemical formula of CuSO4The graphene composite material prepared by the method is high in quality, the carbon layer is thin, and the large-size continuously-distributed reticular graphene composite material can be obtained.
The particle size of the graphite is 43um, and the purity is 99.0%; the purity of the sodium nitrate is 99.0 percent; the purity of the concentrated sulfuric acid is 95.0 percent, and the purity of the potassium permanganate is 99.5 percent; the purity of the hydrogen peroxide was 5.0%; the purity of hydrazine hydrate is 80%, the purity of copper sulfate is 80%, and the purity of aluminum blocks is 99.99%.
Further, in order to meet the fireproof performance of the protective layer, a fireproof material is added to the raw materials of the graphene composite material, and the raw materials of the fireproof material comprise the following components in percentage by weight: 59% of aluminum silicate, 6% of aluminum tripolyphosphate, 11% of polyaluminosiloxane, 9% of magnesium hydroxide, 5% of water glass, 4% of glass fiber, 3% of carborundum, 2% of talcum powder and 1% of melamine. The fireproof material has the characteristics of high temperature resistance and burning crack resistance.
Further, the graphene composite material is subjected to roll forming to generate a protective layer, wherein the thickness of the protective layer is 0.33mm-0.37 mm. If the protective layer does not contain a fire-retardant material, the thickness of the protective layer is 0.19mm to 0.21 mm.
Further, the conductor layer 1 is aluminum or aluminum alloy single wires with different colors, and in one embodiment of the invention, aluminum single wires with different colors in the conductor layer 4 are arranged for transmitting power, and meanwhile, the operator can distinguish meanings represented by different colors conveniently.
Further, as can be seen in conjunction with fig. 2: the microscopic structure of the graphene composite material is a net structure. The net structure is stable, and the tensile strength and the compressive strength are high, so that the requirement of the cable can be met.
Further, as can be seen from fig. 3: the formed graphene and aluminum are mutually permeated, the graphene is uniformly distributed around the aluminum, and the performance of the aluminum is enhanced, so that the technical effect of optimal comprehensive mechanical property of the graphene material composite layer is realized.
Example two
In one embodiment of the present invention, the raw materials of the graphene composite material include, by weight: 6% of graphite, 3% of sodium nitrate, 18% of potassium permanganate, 12% of concentrated sulfuric acid, 34% of deionized water, 10% of hydrogen peroxide, 5% of hydrazine tetrahydrate, 5% of copper sulfate, 5% of aluminum block and 2% of fireproof material. According to the invention, the composite material with high flexibility and good strength can be obtained by the aluminum block under the enhancement of graphene, and the use requirement of the cable is met. The fireproof material comprises the following raw materials in percentage by weight: 65% of aluminum silicate, 4% of aluminum tripolyphosphate, 12% of polyaluminosiloxane, 7% of magnesium hydroxide, 4% of water glass, 3% of glass fiber, 2% of carborundum, 2% of talcum powder and 1% of melamine.
EXAMPLE III
In one embodiment of the present invention, the raw materials of the graphene composite material include, by weight: 5% of graphite, 2% of sodium nitrate, 15% of potassium permanganate, 12% of concentrated sulfuric acid, 35% of deionized water, 10% of hydrogen peroxide, 6% of hydrazine hydrate, 6% of copper sulfate, 6% of aluminum block and 3% of fireproof material. According to the invention, the composite material with high flexibility and good strength can be obtained by the aluminum block under the enhancement of graphene, and the use requirement of the cable is met. The fireproof material comprises the following raw materials in percentage by weight: 65% of aluminum silicate, 4% of aluminum tripolyphosphate, 12% of polyaluminosiloxane, 7% of magnesium hydroxide, 4% of water glass, 3% of glass fiber, 2% of carborundum, 2% of talcum powder and 1% of melamine.
Example four
The invention also provides a production method of the graphene composite material, which is suitable for the graphene composite material in the first embodiment, and as shown in fig. 4, the production method comprises the following steps:
step S1, adding 300g of graphite and 150g of sodium nitrate into 600g of 0 ℃ concentrated sulfuric acid with the concentration of 95%, sequentially adding 900g of potassium permanganate at the temperature of 10 ℃ and 30 ℃ to catalyze and carry out low-temperature reaction and medium-temperature reaction, and generating a medium-temperature reaction product;
step S2, adding 500g of deionized water into the medium-temperature reaction product, controlling the reaction temperature to be 95 ℃, carrying out high-temperature reaction, and reacting for 30 minutes to generate a high-temperature reaction product;
step S3, adding 500g of hydrogen peroxide into the high-temperature reaction product to dissolve the high-temperature reaction product, and continuously stirring the mixture by using a glass rod until the high-temperature reaction product is golden yellow;
step S4, washing and filtering the golden yellow high-temperature reaction product by 1200g of deionized water at 10000 r/min to generate a first filtering product, and carrying out ultrasonic treatment on the first filtering product for 2 hours to form a graphene oxide colloid;
step S5, heating the graphene oxide colloid in a water bath at 98 ℃, adding 250g of hydrazine hydrate and 250g of copper sulfate, continuously stirring, reacting for 2 hours, washing and filtering to generate a secondary filtering product;
step S6, washing and drying the secondary filtered product for 24 hours to generate an intermediate product;
step S7, heating 250g of aluminum blocks to 720 ℃ for melting to generate a melt;
step S8, preparing 100g of fireproof material;
step S9, adding 100g of fireproof material and intermediate product into the melt, and stirring by a precise reinforcement electric stirrer;
and step S10, when the temperature of the melt is reduced to 660 ℃, stopping stirring until the melt is cooled to a trial room, and generating the graphene composite material.
It should be noted that: the second filtration product is graphene, and the intermediate product is copper-based graphene. And ultrasonic processing in step S4, the power of the ultrasound being 300W. The content of graphene in the graphene composite material is 1% -3%.
Further, as shown in fig. 5, step S8 in the present invention includes:
s81, mixing 29.5g of aluminum silicate, 3g of aluminum tripolyphosphate, 5.5g of polyaluminosiloxane, 4.5g of magnesium hydroxide, 2.5g of water glass, 2g of glass fiber, 1.5g of carborundum, 1g of talcum powder and 0.5g of melamine uniformly to generate a fireproof mixture;
s82, adding the fireproof mixture into a double-screw extruder, and melting and extruding in the double-screw extruder;
and S83, drying and cutting the extruded molten mass into particles to obtain the fireproof material.
The performance of the graphene composite material prepared by the embodiment is detected, the density of the graphene composite material is increased, and the wettability between graphene and an aluminum melt is improved. And the hardness is improved by about 40 percent relative to a pure aluminum matrix. After the graphene composite material is generated, a circular protective layer 4 is formed through roll forming and is wrapped outside the outer coating layer 3 of the cable to form the cable for transmitting power.
EXAMPLE five
One embodiment of the present invention provides a graphene composite cable, as shown in fig. 6, the cable sequentially includes, from inside to outside, a conductor layer 1, an insulating layer 2, an overcoat layer 3, and a protective layer 4, where the insulating layer 2, the overcoat layer 3, and the protective layer 4 are concentric rings, an outer surface of the insulating layer 2 abuts against an inner surface of the overcoat layer 3, and an outer surface of the overcoat layer 3 abuts against an inner surface of the protective layer 4.
Further, the conductor layer 1 comprises a plurality of wires 11 with different colors and fillers 12 for isolating the wires, the wires 1 are aluminum or aluminum alloy single wires, and the outer surfaces of the wires 1 are tangent to the inner surface of the insulating layer 2. In one of the preferred embodiments of the invention, the conductor layer 1 is provided with 4 different colors of aluminum single wires for transmitting power.
Further, as shown in fig. 7, the filler 12 includes a central body 121 and a plurality of separation sheets 122 spaced around the central body 121, one end of each separation sheet 122 is connected to the central body 121, the other end of each separation sheet 122 is connected to the insulating layer 2, the separation sheets 122 form a plurality of separation cavities 123, and the conductive wires 11 are respectively disposed in the corresponding separation cavities 123. The damage caused by mutual friction between the wires 11 is greatly reduced, and the problem that the wires 11 are difficult to take out due to mutual dislocation between the wires 11 is solved. Wherein, the central body can be round, square and other shapes.
Further, the separation blade 122 extends spirally in the length direction of the cable with the central body 121 as a spiral center, so that the stress distribution of the cable is more uniform. In one embodiment of the present invention, the number of the separating sheets 122 is four, and the four separating sheets 122 divide the cavity into four separating cavities 123, which correspond to the four wires 11 one by one. And the width of the separation chamber 123 substantially corresponds to the diameter of the wire 11.
Further, it should be noted that the filler 12 is one of a steel alloy part, an aluminum-based composite material part, a resin-based composite material part, and a ceramic-based composite material part; the insulating layer 2 is a cross-linked polyethylene part with a circular cross section and a thickness of 0.71-0.82 mm; the outer coating layer 3 is a semi-conductive polyethylene part with a circular cross section and a thickness of 0.42mm-0.50 mm; the protective layer 4 is made of polyvinyl chloride, the cross section of the protective layer is circular, and the thickness of the protective layer is 0.33mm-0.37 mm.
In summary, the graphene composite cable and the production method thereof provided by the invention have the advantages that the metal woven layer in the prior art is replaced by the graphene composite material layer, the technical problems of complex weaving process and high cost of the metal woven layer are solved, the prepared graphene composite layer is high in strength and flexibility, the use requirement of the cable is met, and furthermore, the fireproof material is added into the graphene composite layer to realize the fireproof function.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a graphite alkene combined material cable includes the conductor layer from inside to outside in proper order, the insulating layer, coats outward layer and protective layer, its characterized in that, the protective layer material is graphite alkene combined material, graphite alkene combined material's raw materials according to weight percent includes: 4-6% of graphite, 2-3% of sodium nitrate, 12-18% of potassium permanganate, 12-13% of concentrated sulfuric acid, 34-38% of deionized water, 10-11% of hydrogen peroxide, 6-7% of hydrazine hydrate, 5-6% of copper sulfate, 5-6% of aluminum block and 2-4% of fireproof material.
2. The graphene composite cable according to claim 1, wherein the graphite has a particle size of 43um and a purity of 99.0%; the purity of the sodium nitrate is 99.0%; the purity of the concentrated sulfuric acid is 95.0 percent, and the purity of the potassium permanganate is 99.5 percent; the purity of the hydrogen peroxide is 5.0%; the purity of the hydrazine hydrate is 80%, the purity of the copper sulfate is 80%, and the purity of the aluminum block is 99.99%.
3. The graphene composite cable according to claim 2, wherein the fireproof material comprises the following raw materials in percentage by weight: 59-65% of aluminum silicate, 4-6% of aluminum tripolyphosphate, 11-12% of polyaluminosiloxane, 7-9% of magnesium hydroxide, 4-5% of water glass, 3-4% of glass fiber, 2-3% of carborundum, 1-2% of talcum powder and 1% of melamine.
4. The graphene composite cable according to claim 3, wherein the graphene composite is roll-formed to form a protective layer, and the thickness of the protective layer is 0.33mm-0.37 mm.
5. The graphene composite cable according to claim 4, wherein the conductor layer is a plurality of aluminum or aluminum alloy single wires with different colors.
6. The graphene composite cable according to claim 5, wherein the protective layer has a mesh structure at a microscopic level.
7. A method for producing a graphene composite material, which is suitable for the graphene composite material as claimed in claim 1, characterized by comprising the steps of:
step S1, adding graphite and sodium nitrate into concentrated sulfuric acid at 0 ℃, sequentially adding potassium permanganate at 10 ℃ and 30 ℃ to catalyze the reaction at low temperature and medium temperature, and generating a medium-temperature reaction product;
step S2, adding deionized water into the medium-temperature reaction product, controlling the reaction temperature to be 95 ℃, carrying out high-temperature reaction, and reacting for 30 minutes to generate a high-temperature reaction product;
step S3, adding hydrogen peroxide into the high-temperature reaction product to dissolve the high-temperature reaction product, and continuously stirring the mixture by using a glass rod until the high-temperature reaction product is golden yellow;
step S4, washing and filtering the golden high-temperature reaction product by using deionized water at 10000 r/min to generate a first filtering product, and carrying out ultrasonic treatment on the first filtering product for 2 hours to form graphene oxide colloid;
step S5, heating the graphene oxide colloid in a water bath at 98 ℃, adding hydrazine hydrate and copper sulfate, continuously stirring, reacting for 2 hours, washing and filtering to generate a secondary filtering product;
step S6, washing and drying the secondary filtered product for 24 hours to generate an intermediate product;
step S7, heating the aluminum block to 720 ℃ for melting to generate a melt;
step S8, preparing a fireproof material;
step S9, adding a fireproof material and an intermediate product into the melt, and stirring by a precise reinforcement electric stirrer;
and step S10, when the temperature of the melt is reduced to 660 ℃, stopping stirring until the melt is cooled to a trial room, and generating the graphene composite material.
8. The method for producing the graphene composite layer according to claim 7, wherein the second filtration product is graphene, and the intermediate product is copper-based graphene.
9. The method for producing a graphene composite layer according to claim 8, wherein the ultrasonic treatment in step S4 is performed at a power of 300W.
10. The method for producing a graphene composite layer according to claim 9, wherein the step S8 includes:
s81, uniformly mixing the aluminum silicate, the aluminum tripolyphosphate, the polyaluminosiloxane, the magnesium hydroxide, the water glass, the glass fiber, the carborundum, the talcum powder and the melamine according to the weight percentage to generate a fireproof mixture;
s82, adding the fireproof mixture into a double-screw extruder, and melting and extruding in the double-screw extruder;
and S83, drying and cutting the extruded molten mass into particles to obtain the fireproof material.
CN201910923738.8A 2019-09-27 2019-09-27 Graphene composite material cable and production method Pending CN110634597A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112216434A (en) * 2020-09-27 2021-01-12 安徽龙庵电缆集团有限公司 Cross-linked polyethylene insulated anti-interference shielding naval vessel cable and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112216434A (en) * 2020-09-27 2021-01-12 安徽龙庵电缆集团有限公司 Cross-linked polyethylene insulated anti-interference shielding naval vessel cable and preparation method thereof

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