CN104883756A - Flexible composite electrothermal film - Google Patents
Flexible composite electrothermal film Download PDFInfo
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- CN104883756A CN104883756A CN201510315472.0A CN201510315472A CN104883756A CN 104883756 A CN104883756 A CN 104883756A CN 201510315472 A CN201510315472 A CN 201510315472A CN 104883756 A CN104883756 A CN 104883756A
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Abstract
The invention discloses a flexible composite electrothermal film comprising a heating layer and protection layers. The protection layers are connected with the upper surface and the lower surface of the heating layer respectively and fixedly by means of hot pressing or coating. The heating layer is a carbon-nano-tube thin film formed by a carbon nano tube with the diameter of 10nm to 100nm, wherein the thickness of the thin film is 10 microns to 50 microns, the porosity is 45% to 75%, and the sheet resistance is 1.0 ohm/cm<2> to 5.0 ohm/cm<2>. Besides, conductive electrode plates are connected to the two ends of the carbon-nano-tube thin film respectively and fixedly. The provided flexible composite electrothermal film has advantages of high flexibility, high electrothermal conversion efficiency, stable heating, low enery consumption, uniform temperature, good mechanical property, high safety, corrosion resistance, light weight, high portability, and easy installation and bonding and the like. Various heating requirements can be met by adjusting the area of the heating layer or increasing the power supply. The flexible composite electrothermal film has the broad application prospects and the great practical value.
Description
Technical field
The present invention relates to a kind of flexible electric heating composite membrane, belongs to technical field of function materials.
Background technology
In recent years, sweeping across in Eurasian multinational strong cold air, there is lowest temperature over 100 years in some areas.In more serious winter day under cold conditions, industrial quarters and the demand of daily life to heating more and more higher.At present, heating is main adopts two kinds of modes such as coal combustion chemical fuel and electrical equipment heating (as: electric heater, air-conditioning etc.).This two kinds of heating modes have respectively contaminated environment, bulky, carry inconvenience etc. defect.In outdoor severe cold situation, application has certain limitation.
The high conductivity of carbon nano-tube and high-termal conductivity obtain people and more and more pay close attention to, and carbon nano-tube is had a great development in electric heating.Single Walled Carbon Nanotube is Heat Conduction Material best in the world at present, its thermal conductivity 3000W/m.K.Carbon nano-tube is by ultrasonic wave transferring heat energy, and it is per second that its transmission speed can reach a myriametre.Carbon nano-tube is also the material that in nonmetallic materials, electric conductivity is best, depends primarily on nonlocalized pi electron.Charing, graphitization temperature is higher, and graphite aspect more reaches, and the non-localized district forming π key is larger, and electric conductivity better.Therefore, carbon nano-tube electric conversion efficiency is more than 90%, and energy-saving effect is very remarkable.But so far there are no by carbon nano-tube prepare electric heating composite membrane correlation technique report.
Summary of the invention
The object of this invention is to provide a kind of flexible electric heating composite membrane prepared by carbon nano-tube.
Flexible electric heating composite membrane of the present invention, comprises heating layer and protective layer, and described protective layer is fixedly connected with the upper and lower surface of heating layer respectively by hot pressing or coating method; It is characterized in that: described heating layer is that the thickness that the carbon nano-tube being 10nm ~ 100nm by diameter is formed is 10 μm ~ 50 μm, porosity is 45% ~ 75%, surface resistance is 1.0 Ω/cm
2~ 5.0 Ω/cm
2carbon nano-tube film; Conductive electrode film is fixedly connected with respectively at the two ends of described carbon nano-tube film.
As a kind of embodiment, described protective layer is thin polymer film, by being hot bonding between the upper and lower surface of adhesive or adhesive polymer and carbon nano-tube film.
As a kind of preferred version, described thin polymer film is selected from least one in polyurethane film, polypropylene film, polyester film and polyvinyl chloride film; Described adhesive is selected from least one in epoxyn, polyurethane adhesive and acrylic acid adhesive; Described adhesive polymer is selected from least one in polyethylene, polypropylene, polystyrene and polyester; The form of described adhesive polymer can be particle, film or powder.
As another embodiment, described protective layer is polymer coating, by being fixedly connected with between direct coating method with the upper and lower surface of carbon nano-tube film.
As a kind of preferred version, described polymer coating is selected from least one in polyurethane coating, pvc coating, polyacrylate coatings and organic silicon coating.
As a kind of preferred version, described carbon nano-tube film is laminated structure.
As further preferred version, sheet carbon nano-tube film be by carbon nano-tube adopt strip parallel arrangement mode or shape arrangement mode formed.
As a kind of preferred version, described conductive electrode film is fixedly connected with the two ends of carbon nano-tube film by conducting resinl.
As a kind of preferred version, the conductive electrode film at two ends is connected with thermostat respectively by wire.
As further preferred version, described thermostat is provided with temperature display and indicator light.
Compared with prior art, the present invention has following beneficial effect:
The present invention is by adopting specific carbon nano-tube film as heating layer, prepared electric heating composite membrane is made to have flexible, electric heating conversion ratio is high, heating is stable, energy consumption is low, homogeneous temperature, mechanical property is good, fail safe is high, corrosion-resistant, light portable, the plurality of advantages such as easy installation bonding, both can docile heat in curve form, also the ideal material of fitting as electric heating clothes can be carried out with fabric, also can be used for wet environment, and realize various heating requirement by adjustment heating layer area or the supply of increase power supply, there is application prospect widely and practical value.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of flexible electric heating composite membrane provided by the invention;
Fig. 2 is the circuit connection structure schematic diagram of a kind of flexible electric heating composite membrane provided by the invention;
Fig. 3 is the structural representation of a kind of heating layer provided by the invention;
Fig. 4 is the structural representation of another kind of heating layer provided by the invention;
In figure: 1, heating layer; 2, protective layer; 3, conductive electrode film; 4, wire; 5, thermostat; 51, temperature display; 52, indicator light.
Embodiment
Below with reference to accompanying drawing of the present invention, carry out clear, complete description and discussion to the technical scheme in the embodiment of the present invention, obviously, as described herein is only a part of example of the present invention, is not whole examples.Carbon nano-tube film used in following embodiment adopts vertical floating catalystic pyrolysis to prepare, and provides by Suzhou Creative-carbon Nanotechnology Co., Ltd.'s preparation.
Embodiment 1
As shown in Figure 1: the flexible electric heating composite membrane that the present embodiment provides, heating layer 1 and protective layer 2 is comprised.
In the present embodiment:
Heating layer 1 is that the thickness adopting the carbon nano-tube being 10nm ~ 100nm by diameter to be formed is 20 μm, tensile break strength is 200 MPas, porosity is 50%, surface resistance is 4 Ω/cm
2sheet carbon nano-tube film;
Protective layer 2 adopts polyester film (thickness is 100 microns);
Described protective layer is by being hot bonding between the upper and lower surface of adhesive polymer (adopt thickness to be the polyethylene film of 30 microns in the present embodiment, also can adopt polyethylene particles or polyethylene powder etc.) and carbon nano-tube film.
The concrete manufacture craft of described flexible electric heating composite membrane is as follows:
Using as up-protective layer polyester film, play the polyethylene film of adhesive effect, the sheet carbon nano-tube film as heating layer, the polyester film as lower protective layer are stacked successively from top to bottom, then heat pressing process is adopted to bond: hot press upper and lower bottom plate temperature is all set to 110 DEG C, pressure is 3 MPas, warm-up time is 1 minute, and hot pressing time is 1 minute; After hot pressing terminates, the vulcanizer being placed in 50 DEG C is colded pressing 2 minutes.
Then distinguish bonding conductive electrode film 3 by conducting resinl at the two ends of sheet carbon nano-tube film 1, and two ends conductive electrode film 3 is connected (in detail as shown in Figure 2) with thermostat 5 by wire 4.
Described thermostat 5 preferably has temperature display 51 and working station indicator 52, to facilitate monitoring temperature and adjustment.
After tested: this flexible electric heating composite membrane (30mm × 30mm) is under 3.2W power condition in 30 seconds, and temperature can rise to 45 ~ 55 DEG C.According to practical use, heating-up temperature can be adjusted by adjustment voltage.
Embodiment 2
As shown in Figure 1: the flexible electric heating composite membrane that the present embodiment provides, heating layer 1 and protective layer 2 is comprised.
In the present embodiment:
Heating layer 1 be adopt long for 20mm, wide for 5mm, tensile break strength be 200 MPas, porosity is 50%, surface resistance is 4 Ω/cm
2strip carbon nano-tube film by spacing be 3mm parallel arrangement formed (as shown in Figure 3);
Protective layer 2 adopts polyurethane coating (thickness is 100 microns).
The concrete manufacture craft of described flexible electric heating composite membrane is as follows:
To directly be coated in the upper and lower surface of carbon nano-tube film 1 as the soluble polyurethane coating of protective layer 2, be then placed in fume hood and leave standstill 24 hours.
Distinguish bonding conductive electrode film 3 by conducting resinl at the two ends of sheet carbon nano-tube film 1 again, and two ends conductive electrode film 3 is connected (shown in composition graphs 3 and Fig. 2) by wire 4 with thermostat 5.
After tested: this flexible electric heating composite membrane (20mm × 32mm) under 3.8W power condition in 30 seconds temperature can rise to 50 ~ 70 DEG C.
When described heating layer 1 be adopt long for 30mm, wide for 5mm, tensile break strength be 200 MPas, porosity is 50%, surface resistance is 4 Ω/cm
2strip carbon nano-tube film by spacing be 3mm parallel arrangement formed, when all the other are all with the above; After tested: gained flexible electric heating composite membrane (30mm × 48mm) under 3.2W power condition in 30 seconds temperature can rise to 50 ~ 65 DEG C.
Embodiment 3
As shown in Figure 1: the flexible electric heating composite membrane that the present embodiment provides, heating layer 1 and protective layer 2 is comprised.
In the present embodiment:
Heating layer 1 be adopt by length be 20mm, wide be that 5mm, tensile break strength are 200 MPas, porosity is 50%, surface resistance is 4 Ω/cm
2strip carbon nano-tube film by formation (as shown in Figure 4) of arranging in a zigzag;
Protective layer 2 adopts polyurethane film (thickness is 100 microns);
Described protective layer is by being hot bonding between the upper and lower surface of adhesive (adopting polyurethane adhesive in the present embodiment) and carbon nano-tube film.
The concrete manufacture craft of described flexible electric heating composite membrane is as follows:
Using the polyurethane film polyurethane adhesive sticky upper and lower surface being posted on sheet carbon nano-tube film as heating layer respectively as protective layer, then heat pressing process is adopted to bond: hot press upper and lower bottom plate temperature is all set to 110 DEG C, pressure is 3 MPas, warm-up time is 1 minute, and hot pressing time is 1 minute; After hot pressing terminates, the vulcanizer being placed in 50 DEG C is colded pressing 2 minutes.
Then distinguish bonding conductive electrode film 3 by conducting resinl at the two ends of sheet carbon nano-tube film 1, and two ends conductive electrode film 3 is connected (shown in composition graphs 4 and Fig. 2) by wire 4 with thermostat 5.
After tested: this flexible electric heating composite membrane (20mm × 32mm) under 3.2W power condition in 30 seconds temperature can rise to 50 ~ 65 DEG C.
To sum up embodiment is visible: flexible electric heating composite membrane of the present invention, realizes various heating requirement by adjusting its heating layer area or increasing power supply supply.
Finally be necessary described hereinly be; the foregoing is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a flexible electric heating composite membrane, comprises heating layer and protective layer, and described protective layer is fixedly connected with the upper and lower surface of heating layer respectively by hot pressing or coating method; It is characterized in that: described heating layer is that the thickness that the carbon nano-tube being 10nm ~ 100nm by diameter is formed is 10 μm ~ 50 μm, porosity is 45% ~ 75%, surface resistance is 1.0 Ω/cm
2~ 5.0 Ω/cm
2carbon nano-tube film; Conductive electrode film is fixedly connected with respectively at the two ends of described carbon nano-tube film.
2. flexible electric heating composite membrane according to claim 1, is characterized in that: described protective layer is thin polymer film, carries out heat pressure adhesive and fix between the upper and lower surface by adhesive or adhesive polymer and carbon nano-tube film.
3. flexible electric heating composite membrane according to claim 2, is characterized in that: described thin polymer film is selected from least one in polyurethane film, polypropylene film, polyester film and polyvinyl chloride film; Described adhesive is selected from least one in epoxyn, polyurethane adhesive and acrylic acid adhesive; Described adhesive polymer is selected from least one in polyethylene, polypropylene, polystyrene and polyester; The form of described adhesive polymer is particle, film or powder.
4. flexible electric heating composite membrane according to claim 1, is characterized in that: described protective layer is polymer coating, by being fixedly connected with between direct coating method with the upper and lower surface of carbon nano-tube film.
5. flexible electric heating composite membrane according to claim 4, is characterized in that: described polymer coating is selected from least one in polyurethane coating, pvc coating, polyacrylate coatings and organic silicon coating.
6. the flexible electric heating composite membrane according to claim 1 or 2 or 4, is characterized in that: described carbon nano-tube film is laminated structure.
7. flexible electric heating composite membrane according to claim 6, is characterized in that: sheet carbon nano-tube film be by carbon nano-tube adopt strip parallel arrangement mode or shape arrangement mode formed.
8. flexible electric heating composite membrane according to claim 1, is characterized in that: described conductive electrode film is fixedly connected with the two ends of carbon nano-tube film by conducting resinl.
9. the flexible electric heating composite membrane according to claim 1 or 8, is characterized in that: the conductive electrode film at two ends is connected with thermostat respectively by wire.
10. flexible electric heating composite membrane according to claim 9, is characterized in that: described thermostat is provided with temperature display and indicator light.
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| CN201510315472.0A CN104883756A (en) | 2015-06-10 | 2015-06-10 | Flexible composite electrothermal film |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491695A (en) * | 2015-12-31 | 2016-04-13 | 苏州捷迪纳米科技有限公司 | Two-dimensional nano carbon heating body, and flexible electric heating module and preparation method therefor |
| CN106003875A (en) * | 2016-05-25 | 2016-10-12 | 东华大学 | Elastic conductive composite fabric and preparation method thereof |
| CN106003888A (en) * | 2016-05-25 | 2016-10-12 | 东华大学 | Flexible stretchable electromagnetic shielding film and preparation method thereof |
| CN106024093A (en) * | 2016-07-08 | 2016-10-12 | 东华大学 | Conductive composite film and its preparation and application |
| CN106060983A (en) * | 2016-06-03 | 2016-10-26 | 苏州捷迪纳米科技有限公司 | Low-voltage driven high-temperature electrothermal film, electric heating module and preparation method of low-voltage driven high-temperature electrothermal film |
| CN106183239A (en) * | 2016-07-20 | 2016-12-07 | 刘子寒 | A kind of macromolecule complex electrocaloric film and preparation method thereof |
| CN106420152A (en) * | 2016-10-12 | 2017-02-22 | *** | Intelligent far infrared carbon nanometer health care and warm-up paster |
| CN107260390A (en) * | 2017-07-17 | 2017-10-20 | 苏州捷迪纳米科技有限公司 | A kind of beauty mask and preparation method thereof |
| JP2017204529A (en) * | 2016-05-10 | 2017-11-16 | エコホールディングス株式会社 | Photovoltaic power generation module having snow-melting function, and building or vehicle with photovoltaic power generation module installed therein |
| CN107592688A (en) * | 2017-10-11 | 2018-01-16 | 陈名海 | A kind of Electric radiant Heating Film and preparation method and application |
| CN108192327A (en) * | 2018-02-05 | 2018-06-22 | 杭州白熊科技有限公司 | Anion Flexible graphene composite electrothermal material, anion Flexible graphene electric heating composite membrane and preparation method and application |
| CN109041299A (en) * | 2018-07-25 | 2018-12-18 | 山东启原纳米科技有限公司 | A kind of flexible electric heating sheet and clothes |
| CN109257839A (en) * | 2018-10-31 | 2019-01-22 | 宁波石墨烯创新中心有限公司 | A kind of Electric radiant Heating Film, preparation method and application |
| CN109627599A (en) * | 2018-11-27 | 2019-04-16 | 福建久信科技有限公司 | A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag |
| WO2019133867A1 (en) * | 2017-12-29 | 2019-07-04 | The Endeavour Group, Inc. | Systems and methods for heating |
| CN110042522A (en) * | 2019-04-16 | 2019-07-23 | 东华大学 | A kind of water-fastness electric heating fabrics of air-permeable elastic and preparation method thereof |
| CN111050433A (en) * | 2019-12-03 | 2020-04-21 | 深圳烯湾科技有限公司 | Flexible heating sheet and preparation method thereof |
| WO2021081887A1 (en) * | 2019-10-31 | 2021-05-06 | 深圳烯湾科技有限公司 | Carbon nanotube heating fabric and preparation method therefor |
| CN113543383A (en) * | 2021-07-30 | 2021-10-22 | 东风商用车有限公司 | Heating pad and manufacturing method thereof |
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| CN105491695A (en) * | 2015-12-31 | 2016-04-13 | 苏州捷迪纳米科技有限公司 | Two-dimensional nano carbon heating body, and flexible electric heating module and preparation method therefor |
| JP2017204529A (en) * | 2016-05-10 | 2017-11-16 | エコホールディングス株式会社 | Photovoltaic power generation module having snow-melting function, and building or vehicle with photovoltaic power generation module installed therein |
| CN106003875A (en) * | 2016-05-25 | 2016-10-12 | 东华大学 | Elastic conductive composite fabric and preparation method thereof |
| CN106003888A (en) * | 2016-05-25 | 2016-10-12 | 东华大学 | Flexible stretchable electromagnetic shielding film and preparation method thereof |
| CN106003888B (en) * | 2016-05-25 | 2019-06-25 | 东华大学 | A kind of flexible extensible electromagnetic shielding film and preparation method thereof |
| CN106060983A (en) * | 2016-06-03 | 2016-10-26 | 苏州捷迪纳米科技有限公司 | Low-voltage driven high-temperature electrothermal film, electric heating module and preparation method of low-voltage driven high-temperature electrothermal film |
| CN106024093A (en) * | 2016-07-08 | 2016-10-12 | 东华大学 | Conductive composite film and its preparation and application |
| CN106024093B (en) * | 2016-07-08 | 2017-12-12 | 东华大学 | A kind of conductive composite film and its preparation and application |
| CN106183239B (en) * | 2016-07-20 | 2018-07-10 | 刘子寒 | A kind of macromolecule complex electrocaloric film and preparation method thereof |
| CN106183239A (en) * | 2016-07-20 | 2016-12-07 | 刘子寒 | A kind of macromolecule complex electrocaloric film and preparation method thereof |
| CN106420152A (en) * | 2016-10-12 | 2017-02-22 | *** | Intelligent far infrared carbon nanometer health care and warm-up paster |
| CN107260390A (en) * | 2017-07-17 | 2017-10-20 | 苏州捷迪纳米科技有限公司 | A kind of beauty mask and preparation method thereof |
| CN107592688A (en) * | 2017-10-11 | 2018-01-16 | 陈名海 | A kind of Electric radiant Heating Film and preparation method and application |
| WO2019133867A1 (en) * | 2017-12-29 | 2019-07-04 | The Endeavour Group, Inc. | Systems and methods for heating |
| CN108192327A (en) * | 2018-02-05 | 2018-06-22 | 杭州白熊科技有限公司 | Anion Flexible graphene composite electrothermal material, anion Flexible graphene electric heating composite membrane and preparation method and application |
| CN109041299A (en) * | 2018-07-25 | 2018-12-18 | 山东启原纳米科技有限公司 | A kind of flexible electric heating sheet and clothes |
| CN109257839A (en) * | 2018-10-31 | 2019-01-22 | 宁波石墨烯创新中心有限公司 | A kind of Electric radiant Heating Film, preparation method and application |
| CN109257839B (en) * | 2018-10-31 | 2021-12-14 | 宁波石墨烯创新中心有限公司 | Electrothermal film, preparation method and application thereof |
| CN109627599A (en) * | 2018-11-27 | 2019-04-16 | 福建久信科技有限公司 | A kind of graphene Electric radiant Heating Film flame-retardant polypropylene film hermetic bag |
| CN110042522A (en) * | 2019-04-16 | 2019-07-23 | 东华大学 | A kind of water-fastness electric heating fabrics of air-permeable elastic and preparation method thereof |
| WO2021081887A1 (en) * | 2019-10-31 | 2021-05-06 | 深圳烯湾科技有限公司 | Carbon nanotube heating fabric and preparation method therefor |
| CN111050433A (en) * | 2019-12-03 | 2020-04-21 | 深圳烯湾科技有限公司 | Flexible heating sheet and preparation method thereof |
| CN111050433B (en) * | 2019-12-03 | 2022-05-27 | 深圳烯湾科技有限公司 | Flexible heating sheet and preparation method thereof |
| CN113543383A (en) * | 2021-07-30 | 2021-10-22 | 东风商用车有限公司 | Heating pad and manufacturing method thereof |
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Application publication date: 20150902 |