CN110650552A - Production method of graphene electrothermal film - Google Patents
Production method of graphene electrothermal film Download PDFInfo
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- CN110650552A CN110650552A CN201910868466.6A CN201910868466A CN110650552A CN 110650552 A CN110650552 A CN 110650552A CN 201910868466 A CN201910868466 A CN 201910868466A CN 110650552 A CN110650552 A CN 110650552A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000007639 printing Methods 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000004831 Hot glue Substances 0.000 claims abstract description 17
- 238000013329 compounding Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000007645 offset printing Methods 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 claims description 3
- 238000009501 film coating Methods 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000007646 gravure printing Methods 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 12
- -1 graphite alkene Chemical class 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 108091006149 Electron carriers Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/04—Waterproof or air-tight seals for heaters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
Landscapes
- Conductive Materials (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the technical field of electric heating, in particular to a production method of a graphene electrothermal film, which comprises the following steps: preparing raw materials for producing the electrothermal film, such as conductive carbon paste, heating carbon paste, conductive silver paste, a hot melt adhesive film, a sealing bag and the like, printing the conductive carbon paste, the heating carbon paste and the conductive silver paste on the electrothermal film by using printing equipment, compounding the hot melt adhesive film, the metal current carrying strip and the electrothermal film twice and then packaging the film. And has a leakage current recovery device and an electromagnetic radiation prevention device, so that the graphene electrothermal film can reach the level of national standard class II electric appliances on the level of preventing electric shock, the electromagnetic protection reaches the national standard class I standard, the waterproof level reaches more than IPX7 level, the moisture insulation resistance can reach more than 100M omega, simultaneously, the graphene electrothermal film has high modularization degree, does not need to work such as electrothermal film wiring, simplifies the installation link, and greatly improves the construction efficiency and the use safety requirement.
Description
Technical Field
The invention relates to the technical field of electric heating, in particular to a production method of a graphene electrothermal film.
Background
Graphene is a new material with a single-layer sheet structure formed by carbon atoms, and has excellent characteristics of high charge carrying capacity, low resistivity, high electrical conductivity, high thermal conductivity and the like. The graphene has extremely high conductivity, the concentration of a hole carrier and an electron carrier can reach 1013cm & lt-2 & gt, electrons directly migrate on the graphene layer without scattering, and the carrier mobility can reach 15000cm 2/(v.s). The graphene structure is also very stable, and the flexible outer surface can be subjected to bending deformation to adapt to external force, so that the lattice structure is kept stable, the thermal conductivity of the graphene structure is more excellent than that of any known material, and the thermal conductivity of the graphene structure is as high as 5300W/m.K. Because the graphene has light weight, extremely large specific surface area, remarkable electrochemical performance and excellent heat conduction performance, the graphene is used for compounding related compounds to obtain a new modified material, and the new material is used for participating in the preparation of the electrothermal membrane liquid, so that the prepared electrothermal membrane has excellent performance, and the stability of the conductivity and the thermal stability of the work are greatly improved.
Along with the use of graphite alkene electric heat membrane more and more frequently, all there is various problems about the preparation of graphite alkene electric heat membrane among the prior art, it is poor if the electromagnetic protection effect, the modularization degree is low, consequently, to above current situation, urgent need develop a production method of graphite alkene electric heat membrane to overcome not enough in the current practical application.
Disclosure of Invention
The invention aims to provide a production method of a graphene electrothermal film, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a production method of a graphene electrothermal film comprises the following steps:
the method comprises the following steps: preparing raw materials for producing the electrothermal film, such as conductive carbon paste, heating carbon paste, conductive silver paste, a hot melt adhesive film, a sealing bag and the like;
step two: printing the conductive carbon paste according to a preset pattern by using printing equipment to manufacture a film with a shielding circuit;
step three: printing the heating carbon paste on the reverse side of the film with the shielding circuit according to a pre-designed conductive circuit diagram by using printing equipment, and simultaneously adjusting the resistance of the heating carbon paste to meet the power design requirement according to the requirement;
step four: printing conductive silver paste on the heating carbon paste according to a pre-designed pattern by using printing equipment;
step five: carrying out hot-pressing compounding on a metal current carrying strip, a film printed with a silver paste circuit and a heating carbon paste circuit, and a hot-melt adhesive film by using a compounding machine, wherein the metal current carrying strip is positioned between the heating carbon paste film and a pre-coated film, and the current conveying part of the metal current carrying strip is contacted with the silver paste but not contacted with the heating carbon paste;
step six: compounding the hot-melt adhesive film, the metal current-carrying strip and the electric heating film prepared in the fifth step by using a hot-pressing compounding machine, wherein the metal current-carrying strip is positioned between the hot-melt adhesive film and the printed electromagnetic shielding layer to prepare an electric heating film with a leakage current absorption layer;
step seven: connecting the power lines of the prepared electrothermal films in the six steps by using cold pressing terminals or a welding process according to requirements, wherein the metal current carrying strip printed with the electromagnetic shielding layer is communicated with a zero line of the power supply, and the current carrying strip of the heating carbon paste is respectively connected with the zero line and the live line of the power supply;
step eight: the electric heating film which is connected with the power supply and is provided with the insulation device is placed into a bag which is manufactured in advance and sealed at two sides, wherein a special outgoing line crimping mold is manufactured at an outgoing line outlet of the power supply so as to ensure that the outgoing line outlet can be closed with the sealing bag without damaging a power supply connection line, two ends of the bag are sealed by a high-frequency sealing machine, and air in the bag is pumped out by a vacuum air pump.
As a further scheme of the invention: the preparation steps of the conductive carbon paste and the heating carbon paste are that one or more of carbon black, graphite, carbon nano tubes and graphene is added with an adhesive, a diluent, a dispersing agent, a leveling agent, a plasticizer and a defoaming agent to prepare the conductive ink with conductive and resistance characteristics.
As a further scheme of the invention: the conductive silver paste is prepared by adding one or more of silver powder, copper powder, silver-plated copper powder, aluminum powder and nickel powder into an adhesive, a diluent, a dispersant, a leveling agent, a defoaming agent and a plasticizer to prepare the conductive paste with the conductive characteristic.
As a further scheme of the invention: and stirring, dispersing and other operations are carried out by using a stirrer, a three-roller dispersing machine and a sand mill in the preparation process of the conductive carbon paste and the conductive silver paste.
As a further scheme of the invention: the hot melt adhesive film is prepared by uniformly spraying one or more of EVA, PE, TPU and PES on a polyester film or other films with insulating property in a film spraying or coating manner by using a film spraying machine or a coating machine, so that the pre-coated adhesive film with the property of compounding by heating and pressurizing is prepared.
As a further scheme of the invention: the sealing bag is made of PVC material with good flame retardant property.
As a further scheme of the invention: the metal current carrying strip is a degreased copper strip.
As a further scheme of the invention: the printing equipment is a gravure printing machine, a screen printing machine, a coating machine and an offset printing machine.
Compared with the prior art, the invention has the beneficial effects that:
1. by adopting double insulation and double waterproof design, and the graphene electrothermal film is provided with a leakage current recovery device and an electromagnetic radiation prevention device, the electric shock prevention level of the graphene electrothermal film reaches the level of a national standard second-class electric appliance, the electromagnetic protection level reaches the national standard first-class standard, the electric floor heating paved by the electrothermal film does not influence the health of a human body under the condition of long-term use, the waterproof level reaches more than IPX7 level, and the moisture insulation resistance can reach more than 100M omega;
2. this graphite alkene electric heat membrane has the modularization degree height, need not do work such as electric heat membrane wiring, has not only simplified the installation link, has improved the efficiency of construction simultaneously greatly and has improved the safe in utilization requirement.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A production method of a graphene electrothermal film comprises the following steps:
the method comprises the following steps: preparing raw materials for producing the electrothermal film, such as conductive carbon paste, heating carbon paste, conductive silver paste, a hot melt adhesive film, a sealing bag and the like;
step two: printing the conductive carbon paste according to a preset pattern by using printing equipment to manufacture a film with a shielding circuit;
step three: printing the heating carbon paste on the reverse side of the film with the shielding circuit according to a pre-designed conductive circuit diagram by using printing equipment, and simultaneously adjusting the resistance of the heating carbon paste to meet the power design requirement according to the requirement;
step four: printing the conductive silver paste on the heating carbon paste according to a pre-designed pattern by using printing equipment, so that the conductive silver paste can play a role in supplying power to the heating carbon paste;
step five: carrying out hot-pressing compounding on a metal current carrying strip, a film printed with a silver paste circuit and a heating carbon paste circuit, and a hot-melt adhesive film by using a compounding machine, wherein the metal current carrying strip is positioned between the heating carbon paste film and a pre-coated film, and the current conveying part of the metal current carrying strip is contacted with the silver paste but not contacted with the heating carbon paste;
step six: compounding the hot-melt adhesive film, the metal current-carrying strip and the electric heating film prepared in the fifth step by using a hot-pressing compounding machine, wherein the metal current-carrying strip is positioned between the hot-melt adhesive film and the printed electromagnetic shielding layer to prepare an electric heating film with a leakage current absorption layer;
step seven: connecting the power lines of the prepared electrothermal films in the six steps by using cold pressing terminals or a welding process according to requirements, wherein the metal current carrying strip printed with the electromagnetic shielding layer is communicated with a zero line of the power supply, and the current carrying strip of the heating carbon paste is respectively connected with the zero line and the live line of the power supply;
step eight: the electric heating film which is connected with the power supply and is provided with the insulation device is placed into a bag which is manufactured in advance and sealed at two sides, wherein a special outgoing line crimping mold is manufactured at an outgoing line outlet of the power supply so as to ensure that the outgoing line outlet can be closed with the sealing bag without damaging a power supply connection line, two ends of the bag are sealed by a high-frequency sealing machine, and air in the bag is pumped out by a vacuum air pump.
Example 2
In this embodiment, the conductive carbon paste and the heating carbon paste are prepared by adding one or more of carbon black, graphite, carbon nanotubes and graphene into an adhesive, a diluent, a dispersant, a leveling agent, a plasticizer and a defoaming agent, and then the conductive ink having conductive and resistive characteristics and capable of being used for screen printing, gravure printing and offset printing is prepared.
In this embodiment, the conductive carbon paste has different resistance characteristics according to the difference of the use requirements and the difference of the production power, and the conductive carbon paste can absorb the leakage current generated when the electric heating film works, so that the problem of electric leakage caused by distributed capacitance is solved, and meanwhile, a certain shielding effect can be achieved on the electromagnetic field generated when the electric heating film works.
In this embodiment, the conductive silver paste is prepared by adding one or more of silver powder, copper powder, silver-plated copper powder, aluminum powder, and nickel powder to an adhesive, a diluent, a dispersant, a leveling agent, an antifoaming agent, and a plasticizer, to prepare a conductive paste having a conductive property.
In this embodiment, operation such as stirring, dispersion are all carried out to all using mixer, three-roller dispenser and sand mill in the preparation process of electrically conductive carbon thick liquid and electrically conductive silver thick liquid.
In this embodiment, the hot melt adhesive film is formed by uniformly spraying one or more of EVA, PE, TPU, and PEs on a polyester film or other films having insulating properties by using a film coating machine or a coater, and is a pre-coated adhesive film that can be heat-laminated and pressure-laminated.
In this embodiment, the sealing bag is made of a PVC material having good flame retardant properties, and the specific steps are as follows:
two pieces of PVC materials are made into a cylindrical material with two sealed sides according to the width of the electric heating film by using a high-frequency bag making sealing machine or a hot melting sealing machine.
In this embodiment, the metal carrier strip is a degreased copper strip. A
In this embodiment, the printing apparatus is an intaglio printing press, a screen printing press, a coater, or an offset printing press.
This production method of graphite alkene electric heat membrane, through adopting dual insulation, dual waterproof design, and possess leakage current recovery unit and anti-electromagnetic radiation device, make graphite alkene electric heat membrane reach the second type electrical apparatus level of national standard on preventing the electric shock level, electromagnetic protection reaches the first order standard of national standard, the electricity that uses this kind of electric heat membrane to lay warms up and does not exert an influence to human health under the condition of long-term use, its waterproof level reaches more than IPX7 level, the moisture state insulation resistance can reach more than 100M omega, this graphite alkene electric heat membrane has the modularization degree height simultaneously, need not do work such as electric heat membrane wiring, the installation link has not only been simplified, simultaneously the efficiency of construction is greatly improved and the safe in utilization requirement has been improved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (8)
1. A production method of a graphene electrothermal film is characterized by comprising the following steps:
the method comprises the following steps: preparing raw materials for producing an electrothermal film by using conductive carbon paste, heating carbon paste, conductive silver paste, a hot-melt adhesive film and a sealing bag;
step two: printing the conductive carbon paste according to a preset pattern by using printing equipment to manufacture a film with a shielding circuit;
step three: printing the heating carbon paste on the reverse side of the film with the shielding circuit according to a pre-designed conductive circuit diagram by using printing equipment, and simultaneously adjusting the resistance of the heating carbon paste to meet the power design requirement according to the requirement;
step four: printing conductive silver paste on the heating carbon paste according to a pre-designed pattern by using printing equipment;
step five: carrying out hot-pressing compounding on a metal current carrying strip, a film printed with a silver paste circuit and a heating carbon paste circuit, and a hot-melt adhesive film by using a compounding machine, wherein the metal current carrying strip is positioned between the heating carbon paste film and a pre-coated film, and the current conveying part of the metal current carrying strip is contacted with the silver paste but not contacted with the heating carbon paste;
step six: compounding the hot-melt adhesive film, the metal current-carrying strip and the electric heating film prepared in the fifth step by using a hot-pressing compounding machine, wherein the metal current-carrying strip is positioned between the hot-melt adhesive film and the printed electromagnetic shielding layer to prepare an electric heating film with a leakage current absorption layer;
step seven: connecting the power lines of the prepared electrothermal films in the six steps by using cold pressing terminals or a welding process according to requirements, wherein the metal current carrying strip printed with the electromagnetic shielding layer is communicated with a zero line of the power supply, and the current carrying strip of the heating carbon paste is respectively connected with the zero line and the live line of the power supply;
step eight: the electric heating film which is connected with the power supply and is provided with the insulation device is placed into a bag which is manufactured in advance and sealed at two sides, wherein a special outgoing line crimping mold is manufactured at an outgoing line outlet of the power supply so as to ensure that the outgoing line outlet can be closed with the sealing bag without damaging a power supply connection line, two ends of the bag are sealed by a high-frequency sealing machine, and air in the bag is pumped out by a vacuum air pump.
2. The production method of the graphene electrothermal film according to claim 1, wherein the conductive carbon paste and the heating carbon paste are prepared by adding one or more of carbon black, graphite, carbon nanotubes and graphene into a binder, a diluent, a dispersant, a leveling agent, a plasticizer and a defoaming agent to prepare conductive ink with conductive and resistive characteristics.
3. The production method of the graphene electrothermal film according to claim 1, wherein the conductive silver paste is prepared by adding one or more of silver powder, copper powder, silver-plated copper powder, aluminum powder and nickel powder into an adhesive, a diluent, a dispersant, a leveling agent, a defoaming agent and a plasticizer to prepare the conductive paste with the conductive property.
4. The production method of the graphene electrothermal film according to claim 1, wherein stirring, dispersing and other operations are performed by using a stirrer, a three-roll disperser and a sand mill in the preparation process of the conductive carbon paste and the conductive silver paste.
5. The production method of the graphene electrothermal film according to claim 4, wherein the hot melt adhesive film is prepared by uniformly spraying one or more of EVA, PE, TPU and PES on a polyester film or other films with insulating properties by using a film coating machine or a coater in a film coating or coating manner, so as to form a pre-coated film which can be compounded by heating and pressurizing.
6. The production method of the graphene electrothermal film according to claim 1, wherein the sealing bag is made of a PVC material with good flame retardant property.
7. The production method of the graphene electrothermal film according to claim 1, wherein the metal current carrying strip is a degreased copper strip.
8. The method for producing a graphene electrothermal film according to claim 7, wherein the printing apparatus is a gravure printing machine, a screen printing machine, a coating machine, and an offset printing machine.
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| CN201910868466.6A CN110650552A (en) | 2019-09-16 | 2019-09-16 | Production method of graphene electrothermal film |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111669846A (en) * | 2020-06-11 | 2020-09-15 | 安徽宇航派蒙健康科技股份有限公司 | Preparation method of graphene electrothermal film for floor heating |
| CN111712001A (en) * | 2020-06-11 | 2020-09-25 | 安徽宇航派蒙健康科技股份有限公司 | Graphite alkene electric heat membrane for warm up |
| CN112361891A (en) * | 2020-11-02 | 2021-02-12 | 孙立峰 | Method for manufacturing conductive target plate |
| CN112469151A (en) * | 2020-12-04 | 2021-03-09 | 湖北暖季地暖科技股份有限公司 | Production process of 24V safe graphene electrothermal film |
| CN113492562A (en) * | 2020-03-19 | 2021-10-12 | 上海康天新能源科技有限公司 | Processing technology for preparing water-based graphene electrothermal film by die cutting and laminating method |
| CN113766682A (en) * | 2021-08-30 | 2021-12-07 | 兰州大学 | Wearable heater and preparation method thereof |
| CN113873699A (en) * | 2021-10-11 | 2021-12-31 | 中暖新能源(青岛)有限公司 | Electric heating film material capable of generating heat uniformly and manufacturing method thereof |
| CN114205930A (en) * | 2021-11-23 | 2022-03-18 | 浙江波仕科技有限公司 | Production process of printed electrothermal film |
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| CN113492562A (en) * | 2020-03-19 | 2021-10-12 | 上海康天新能源科技有限公司 | Processing technology for preparing water-based graphene electrothermal film by die cutting and laminating method |
| CN113492562B (en) * | 2020-03-19 | 2022-10-14 | 上海康天新能源科技有限公司 | Processing technology for preparing water-based graphene electrothermal film by die cutting and laminating method |
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