CN109068412A - A kind of containing graphene and the water nano heating film of carbon nanotube and preparation method thereof - Google Patents
A kind of containing graphene and the water nano heating film of carbon nanotube and preparation method thereof Download PDFInfo
- Publication number
- CN109068412A CN109068412A CN201810755992.7A CN201810755992A CN109068412A CN 109068412 A CN109068412 A CN 109068412A CN 201810755992 A CN201810755992 A CN 201810755992A CN 109068412 A CN109068412 A CN 109068412A
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- Prior art keywords
- water nano
- film
- carbon nanotube
- heating film
- containing graphene
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Classifications
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- 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
- H05B3/03—Electrodes
-
- 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—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater 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—Heater 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
-
- 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
Abstract
The invention belongs to new electrically heating fields, and in particular to a kind of containing graphene and the water nano heating film of carbon nanotube and preparation method thereof.Water nano three-dimensional conductive layer, copper silver electrode composite, heatproof glue and the second flame-resistant insulation fexible film including the first flame-resistant insulation fexible film, containing graphene and carbon nanotube, the heating film has multilayer membrane structure, and the thickness of the first flame-resistant insulation fexible film is greater than the second flame-resistant insulation fexible film.The water nano heating film of this containing graphene and carbon nanotube, electric-thermal emission conversion efficiency is up to 70%~75%, temperature is uniform, the basic zero attenuation of power, heating temperature can be adjustable from 35 DEG C~180 DEG C, heat-resisting resistance to combustion solves the problems, such as that current heating film electric-thermal emission conversion efficiency is low, generate heat inhomogenous, power attenuation, the heat-resisting resistance to combustion of non-heatproof, has prevented the generation of safety accident.
Description
Technical field
The invention belongs to new electrically heating fields, and in particular to a kind of water nano heating film of containing graphene and carbon nanotube
And preparation method thereof.
Background technique
Since the invention, the properties such as excellent mechanics, electricity, calorifics receive extensive research and answer carbon nanomaterial
With wherein using carbon nanotube and graphene as the hot spot of research.Carbon nanotube is that a kind of have special construction (radial dimension is
Nanometer scale, axial dimension are micron dimension, and pipe both ends are substantially all sealing) One-dimensional Quantum material, by hexagonal row
The carbon atom of column constitutes several layers to tens of layers of coaxial round tube.Graphene be one kind by carbon atom with sp2What hybrid form was formed
There is honeycomb flat film unique cellular single layer square meter lattice structure of two-dimensional hexagonal to assign its excellent physical chemistry
Matter.The magnanimity controllable preparation of graphene also becomes the prerequisite of further industrial applications.
Heating film currently on the market is based on carbon crystal and carbon fiber heating film, generally existing electric-thermal emission conversion efficiency
Problem low, fever is inhomogenous, the power attenuation service life is short, the heat-resisting firing resistance of heatproof is very poor, after sale without maintenance, safety hazards
Frequently occur.
Summary of the invention
The object of the present invention is to provide a kind of containing graphene and the water nano heating film of carbon nanotube and preparation method thereof,
Solve the problems in background technique, the water nano heating film of this containing graphene and carbon nanotube, electric-thermal radiation conversion effect
Rate is up to 70%~75%, than generally carbon crystal, electrothermal carbon fibre membrane 60%~65% improve 10%~15% in the market,
Temperature is uniform, the basic zero attenuation of power, and heating temperature can be adjustable from 35 DEG C~180 DEG C, and heat-resisting resistance to combustion solves current heating film
The problem of electric-thermal emission conversion efficiency is low, fever is inhomogenous, the heat-resisting resistance to combustion of power attenuation, non-heatproof, has prevented safety accident
Occur.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: a kind of containing graphene and carbon nanotube it is aqueous
Nano heating film, it is characterised in that: the water nano three including the first flame-resistant insulation fexible film, containing graphene and carbon nanotube
Conductive layer, copper silver electrode composite, heatproof glue and the second flame-resistant insulation fexible film are tieed up, the heating film has the membranaceous knot of multilayer
The thickness of structure, the first flame-resistant insulation fexible film is greater than the second flame-resistant insulation fexible film.Further, the flame-resistant insulation
Fexible film be one or more of polyester film, polyimide film, polycarbonate film, with a thickness of 0.1mm~
0.3mm。
Further, the water nano three-dimensional conductive layer of the containing graphene and carbon nanotube includes that graphene, carbon are received
Mitron, conductive nano carbon black, aqueous resinous binders, surfactant, in which: graphene content 1%~8%, carbon nanotube
Content 3%~10%, conductive nano carbon black 20%~40%, aqueous resinous binders content 28%~39%, surfactant
Content 5%~30%.
Further, the copper silver electrode composite is to be covered with copper electrode in silver electrode, and wherein the width of silver electrode is 1cm
~1.5cm, the width of copper electrode are 0.8cm~1.3cm, and the width of silver electrode is greater than the width of copper electrode.
Further, the heatproof glue is EVA hot-melt adhesive.
The preparation method of the water nano heating film of a kind of containing graphene and carbon nanotube provided by the invention, comprising following
Preparation step:
(1) according to the design of water nano heating film, conductive silver paste is printed on to the electricity of flame-resistant insulation fexible film first
Pole position, is dried by drying tunnel；
(2) by the water nano electrically conductive ink of containing graphene and carbon nanotube by intaglio printing or silk-screen printing or from
It is dynamic to be coated on the flame-resistant insulation fexible film for being printed on silver electrode, it is dried by drying tunnel, forms water nano three-dimensional conductive
Layer.
(3) according to the design of water nano heating film, copper electrode is overlayed on above silver electrode, at the same be covered with heatproof glue
It is compound that flame-resistant insulation fexible film carries out hot pressing together, forms water nano heating film.
Further, the drying tunnel temperature of conductive silver paste printing silver electrode is 180 DEG C~220 DEG C in the step (1).
Further, in the step (2) water nano three-dimensional conductive layer conductive layer with a thickness of 10 μm~30 μm,
Drying tunnel temperature is 120~270 DEG C
Further, in the step (3) water nano heating film design, can pass through adjust water nano heating film
The parameters such as area S, the operating voltage U of power density P, unit heating region needed for adstante febre, calculate unit heating region
Surface resistance R (R=(U2/P)/S), and then can get surface temperature 35 DEG C~180 DEG C, power density 150W/m2~
The water nano heating film of 2500W/m2, the hot pressing combined temp are 80~300 DEG C.
The technical effects of the invention are that: the water nano heating film of this containing graphene and carbon nanotube, electric-thermal spoke
It penetrates transfer efficiency and is up to 70%~75%, than generally carbon crystal, electrothermal carbon fibre membrane 60%~65% improve 10% in the market
~15%, temperature is uniform, the basic zero attenuation of power, and heating temperature can be adjustable from 35 DEG C~180 DEG C, and heat-resisting resistance to combustion solves mesh
The problem of preceding heating film electric-thermal emission conversion efficiency is low, fever is inhomogenous, the heat-resisting resistance to combustion of power attenuation, non-heatproof, has prevented peace
The generation of full accident.
Specific embodiment
A kind of water nano heating film of containing graphene and carbon nanotube, including the first flame-resistant insulation fexible film, contain stone
Black alkene and the water nano three-dimensional conductive layer of carbon nanotube, copper silver electrode composite, heatproof glue and the second flame-resistant insulation fexible film,
The heating film has multilayer membrane structure, and the thickness of the first flame-resistant insulation fexible film is greater than the second flame-resistant insulation flexible thin
Film.
Preferably, the flame-resistant insulation fexible film is polyester film, polyimide film, one in polycarbonate film
Kind or it is several, with a thickness of 0.1mm~0.3mm, relative dielectric constant is 2.9~3.4, flame retardant rating UL94V-0.
Preferably, the water nano three-dimensional conductive layer of the containing graphene and carbon nanotube includes graphene, carbon nanometer
Pipe, conductive nano carbon black, aqueous resinous binders, surfactant, in which: graphene content 1%~8%, carbon nanotube contains
Amount 3%~10%, conductive nano carbon black 20%~40%, aqueous resinous binders content 28%~39%, surfactant contains
Amount 5%~30%.
Preferably, the graphene is liquid phase removing preparation, and the graphene sheet layer thickness is less than 10nm, and the number of plies is small
In 10 layers, volume resistivity is less than 10-2Ω cm, the carbon nanotube are multi-walled carbon nanotube, and volume resistivity is less than 10-2Ω·cm。
Preferably, the copper silver electrode composite be silver electrode on be covered with copper electrode, wherein the width of silver electrode be 1cm~
1.5cm, the width of copper electrode are 0.8cm~1.3cm, and the width of silver electrode is greater than the width of copper electrode.
Preferably, the heatproof glue is EVA hot-melt adhesive.
The present invention also provides a kind of preparation method of the water nano heating film of containing graphene and carbon nanotube, comprising with
Lower preparation step:
(1) according to the design of water nano heating film, conductive silver paste is printed on to the electricity of flame-resistant insulation fexible film first
Pole position, is dried by drying tunnel；
(2) by the water nano electrically conductive ink of containing graphene and carbon nanotube by intaglio printing or silk-screen printing or from
It is dynamic to be coated on the flame-resistant insulation fexible film for being printed on silver electrode, it is dried by drying tunnel, forms water nano three-dimensional conductive
Layer.
(3) according to the design of water nano heating film, copper electrode is overlayed on above silver electrode, at the same be covered with heatproof glue
It is compound that flame-resistant insulation fexible film carries out hot pressing together, forms water nano heating film.
Preferably, the drying tunnel temperature of conductive silver paste printing silver electrode is 180 DEG C~220 DEG C in the step (1).
Preferably, in the step (2) water nano three-dimensional conductive layer conductive layer with a thickness of 10 μm~30 μm, dry
Channel temp is 120~270 DEG C.
Preferably, in the step (3) water nano heating film design, can pass through adjust water nano heating film hair
The parameters such as required power density P, the area S of unit heating region, operating voltage U, calculate unit heating region when hot
Surface resistance R (R=(U2/ P)/S), and then can get surface temperature in 35 DEG C~180 DEG C, power density in 150W/m2~
2500W/m2Water nano heating film, the hot pressing combined temp be 80~300 DEG C.
The present invention will be described in detail by way of examples below.In following embodiment, the test side of each performance parameter
Method is according to JG/T 286-2010 " low-temp radiating electrothermal membrane " and GB/T 4654-2008 " nonmetal basal body infrared radiation heater
General technical specifications " in method tested.
Embodiment 1
The present embodiment is used to illustrate the water nano fever using method preparation containing graphene and carbon nanotube of the invention
Film.
(1) 45 DEG C of surface temperature for designing water nano heating film, power density is 220W/ square meter, and operating voltage is
220V, 0.1 square meter of unit heating area, the then sheet resistance of water nano three-dimensional conductive layer are as follows: R=2200 Ω.
(2) according to design, conductive silver paste is printed on Flame-retardant PET film, it is dry through 200 DEG C of drying tunnels.Then it will contain stone
Black alkene and the water nano electrically conductive ink of carbon nanotube pass through intaglio printing on the Flame-retardant PET for being printed on silver electrode, dry through 120 DEG C
Road is dry, forms water nano three-dimensional conductive layer.Thickness is 15 microns to the water nano three-dimensional conductive layer by layer, wherein graphene content
3%, content of carbon nanotubes 5%, conductive nano carbon black 29.5%, aqueous resinous binders content 38%, surface-active contents
24.5%.
Embodiment 2
(1) 80 DEG C of surface temperature for designing water nano heating film, power density is 1000W/ square meter, and operating voltage is
220V, 0.5 square meter of unit heating area, the then sheet resistance of water nano three-dimensional conductive layer are as follows: R=96.8 Ω.
(2) according to design, conductive silver paste is printed on fire-retardant PI film, it is dry through 200 DEG C of drying tunnels.Then by graphitiferous
Alkene and the water nano electrically conductive ink of carbon nanotube are by being screen printed on the fire-retardant PI film for being printed on silver electrode, through 120 DEG C
Drying tunnel is dry, forms water nano three-dimensional conductive layer.Thickness is 15 microns to the water nano three-dimensional conductive layer by layer, and wherein graphene contains
Amount 5%, content of carbon nanotubes 7%, conductive nano carbon black 32%, aqueous resinous binders content 36%, surface-active contents
20%.
(3) copper electrode is overlayed on above silver electrode, while carries out hot pressing together with the resistance PI film for being covered with EVA hot-melt adhesive and answers
It closes, hot pressing combined temp is 200 DEG C, forms water nano heating film.
Embodiment 3
(1) 130 DEG C of surface temperature for designing water nano heating film, power density are 1600W/ square meter, operating voltage
For 220V, 0.5 square meter of unit heating area, then the sheet resistance of water nano three-dimensional conductive layer are as follows: R=60.5 Ω.
(2) according to design, conductive silver paste is printed on fire-retardant PI film, it is dry through 200 DEG C of drying tunnels.Then by graphitiferous
Alkene and the water nano electrically conductive ink of carbon nanotube are by being screen printed on the fire-retardant PI film for being printed on silver electrode, through 120 DEG C
Drying tunnel is dry, forms water nano three-dimensional conductive layer.The water nano three-dimensional conductive is 15 microns thick layer by layer, wherein graphene content
8%, content of carbon nanotubes 10%, conductive nano carbon black 33%, aqueous resinous binders content 33%, surface-active contents
16%.
(3) copper electrode is overlayed on above silver electrode, while carries out hot pressing together with the resistance PI film for being covered with EVA hot-melt adhesive and answers
It closes, hot pressing combined temp is 200 DEG C, forms water nano heating film.
The performance test results are as shown in table 1.Wherein, the test method of following items is " infrared according to GB/T 7287-2008
Pharoid experimental method " test method tested.
Table 1
From the test result of above-described embodiment 1-3 it can be seen that being generated heat using water nano prepared by method of the invention
Film, the temperature difference is small, and quick heating, long service life, changed power is small, basically no attenuation.The test data of table 1 shows this and aqueous receives
Rice heating film is had excellent performance.
Small, the long service life for preparing the generate heat uniform temperature difference of water nano heating film using method of the invention, electrical property are steady
Fixed, power basically no attenuation, after which powers on, is brought rapidly up, reaches the surface temperature of design, simultaneously
It triggers itself and generates far infrared, heat is sent into space in the form that far infrared heat energy radiates, experiences human body and object
It is warm, room temperature is uniformly increased naturally.It is widely used in the constructure heatings such as family, public building, agricultural is cultivated, pipeline
The fields such as heat preservation, ground device for melting snow, far infrared health care physical therapy provide theoretical basis and practical basis.
Claims (10)
1. the water nano heating film of a kind of containing graphene and carbon nanotube, it is characterised in that: including the first flame-resistant insulation flexibility
Water nano three-dimensional conductive layer, copper silver electrode composite, heatproof glue and the second flame-resistant insulation of film, containing graphene and carbon nanotube
Fexible film, the heating film have multilayer membrane structure, and the thickness of the first flame-resistant insulation fexible film is greater than the second insulation
Flame retardant flexible film.
2. the water nano heating film of a kind of containing graphene according to claim 1 and carbon nanotube, it is characterised in that: institute
The flame-resistant insulation fexible film stated be one or more of polyester film, polyimide film, polycarbonate film, with a thickness of
0.1mm~0.3mm.
3. the water nano heating film of a kind of containing graphene according to claim 1 and carbon nanotube, it is characterised in that: institute
The water nano three-dimensional conductive layer for the containing graphene and carbon nanotube stated includes graphene, carbon nanotube, conductive nano carbon black, water
Property resinoid bond, surfactant, in which: graphene content 1%~8%, content of carbon nanotubes 3%~10%, nanometer are led
Electric carbon black 20%~40%, aqueous resinous binders content 28%~39%, surface-active contents 5%~30%.
4. the water nano heating film of a kind of containing graphene according to claim 3 and carbon nanotube, it is characterised in that: institute
The graphene stated is liquid phase removing preparation, and the graphene sheet layer thickness is less than 10nm, and the number of plies is less than 10 layers, volume resistivity
Less than 10-2Ω cm, the carbon nanotube are multi-walled carbon nanotube, and volume resistivity is less than 10-2Ω·cm。
5. the water nano heating film of a kind of containing graphene according to claim 1 and carbon nanotube, it is characterised in that: institute
The copper silver electrode composite stated is to be covered with copper electrode in silver electrode, and wherein the width of silver electrode is 1cm~1.5cm, the width of copper electrode
Degree is 0.8cm~1.3cm, and the width of silver electrode is greater than the width of copper electrode.
6. the water nano heating film of a kind of containing graphene according to claim 1 and carbon nanotube, it is characterised in that: institute
The heatproof glue stated is EVA hot-melt adhesive.
7. a kind of system of the water nano heating film of containing graphene and carbon nanotube according to any one of 1~6 claim
Preparation Method, it is characterised in that: include following preparation step:
(1) according to the design of water nano heating film, conductive silver paste is printed on to the electrode position of flame-resistant insulation fexible film first
It sets, is dried by drying tunnel；
(2) the water nano electrically conductive ink of containing graphene and carbon nanotube is passed through into intaglio printing or silk-screen printing or automatic painting
Cloth is dried on the flame-resistant insulation fexible film for being printed on silver electrode by drying tunnel, forms water nano three-dimensional conductive layer.
(3) according to the design of water nano heating film, copper electrode is overlayed on above silver electrode, at the same with the insulation that is covered with heatproof glue
It is compound that flame retardant flexible film carries out hot pressing together, forms water nano heating film.
8. the preparation method of the water nano heating film of a kind of containing graphene according to claim 7 and carbon nanotube,
Be characterized in that: the drying tunnel temperature of conductive silver paste printing silver electrode is 180 DEG C~220 DEG C in the step (1).
9. the preparation method of the water nano heating film of a kind of containing graphene according to claim 7 and carbon nanotube,
Be characterized in that: in the step (2) water nano three-dimensional conductive layer conductive layer with a thickness of 10 μm~30 μm, drying tunnel temperature is
120~270 DEG C.
10. the preparation method of the water nano heating film of a kind of containing graphene according to claim 7 and carbon nanotube,
It is characterized in that: the design of water nano heating film in the step (3), it can be by adjusting water nano heating film adstante febre institute
The parameters such as area S, the operating voltage U of the power density P, unit heating region that need calculate the surface electricity of unit heating region
Hinder R (R=(U2/ P)/S), and then can get surface temperature in 35 DEG C~180 DEG C, power density in 150W/m2~2500W/m2's
Water nano heating film, the hot pressing combined temp are 80~300 DEG C.
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| CN201810755992.7A CN109068412A (en) | 2018-07-11 | 2018-07-11 | A kind of containing graphene and the water nano heating film of carbon nanotube and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688647A (en) * | 2019-03-01 | 2019-04-26 | 无锡远稳烯科技有限公司 | A kind of manufacture craft of graphene carbon nano-tube film electric heating piece |
| CN110740530A (en) * | 2019-10-12 | 2020-01-31 | 江西铜业技术研究院有限公司 | Preparation method of aqueous carbon nanotube electrothermal films |
| CN111408059A (en) * | 2020-04-14 | 2020-07-14 | 强森波尔(厦门)科技有限公司 | Physiotherapy equipment of adjustable infrared optical frequency |
| CN111601407A (en) * | 2020-05-08 | 2020-08-28 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating film for electric heating picture and preparation method thereof |
| CN111654929A (en) * | 2020-05-08 | 2020-09-11 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating body for electric heating picture and preparation method thereof |
| 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 |
| CN114133791A (en) * | 2021-12-20 | 2022-03-04 | 深圳清华大学研究院 | Conductive ink and super-hydrophobic graphene composite deicing flexible electrothermal film |
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- 2018-07-11 CN CN201810755992.7A patent/CN109068412A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688647A (en) * | 2019-03-01 | 2019-04-26 | 无锡远稳烯科技有限公司 | A kind of manufacture craft of graphene carbon nano-tube film electric heating piece |
| CN110740530A (en) * | 2019-10-12 | 2020-01-31 | 江西铜业技术研究院有限公司 | Preparation method of aqueous carbon nanotube electrothermal films |
| 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 |
| CN111408059A (en) * | 2020-04-14 | 2020-07-14 | 强森波尔(厦门)科技有限公司 | Physiotherapy equipment of adjustable infrared optical frequency |
| CN111601407A (en) * | 2020-05-08 | 2020-08-28 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating film for electric heating picture and preparation method thereof |
| CN111654929A (en) * | 2020-05-08 | 2020-09-11 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating body for electric heating picture and preparation method thereof |
| CN111654929B (en) * | 2020-05-08 | 2022-07-29 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating body for electric heating picture and preparation method thereof |
| CN111601407B (en) * | 2020-05-08 | 2023-02-17 | 安徽宇航派蒙健康科技股份有限公司 | Graphene heating film for electric heating picture and preparation method thereof |
| CN114133791A (en) * | 2021-12-20 | 2022-03-04 | 深圳清华大学研究院 | Conductive ink and super-hydrophobic graphene composite deicing flexible electrothermal film |
| CN114133791B (en) * | 2021-12-20 | 2023-03-10 | 深圳清华大学研究院 | Conductive ink and super-hydrophobic graphene composite deicing flexible electrothermal film |
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