CN107333343B - Preparation method of portable rectangular flexible low-voltage driving electric heating film - Google Patents
Preparation method of portable rectangular flexible low-voltage driving electric heating film Download PDFInfo
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- CN107333343B CN107333343B CN201710526409.0A CN201710526409A CN107333343B CN 107333343 B CN107333343 B CN 107333343B CN 201710526409 A CN201710526409 A CN 201710526409A CN 107333343 B CN107333343 B CN 107333343B
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- 238000005485 electric heating Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- RRKGBEPNZRCDAP-UHFFFAOYSA-N [C].[Ag] Chemical compound [C].[Ag] RRKGBEPNZRCDAP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 229910052709 silver Inorganic materials 0.000 claims abstract description 11
- 239000004332 silver Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 9
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 229910021392 nanocarbon Inorganic materials 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 9
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- 239000002048 multi walled nanotube Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000713 high-energy ball milling Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 239000002086 nanomaterial Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Images
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
- H05B3/10—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
-
- 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
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/009—Heaters using conductive material in contact with opposing surfaces of the resistive element or resistive layer
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus 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
- H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
- H05B2214/04—Heating means manufactured by using nanotechnology
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- Surface Heating Bodies (AREA)
Abstract
The invention relates to the field of heating films, in particular to a preparation method of a portable rectangular flexible low-voltage driving electric heating film. A preparation method of a portable rectangular flexible low-voltage driving electric heating film is characterized by comprising the following steps: 1) adding a one-dimensional or two-dimensional nano silver material into the low-temperature silver paste; 2) adding a one-dimensional or two-dimensional nano carbon material into the improved silver paste; 3) uniformly mixing the improved low-temperature carbon silver paste; 4) preparing the improved low-temperature carbon silver paste on the electrode substrate film; 5) 1-5 layers of flexible heating electrode films with different thicknesses are overprinted on the electrode substrate film; 6) two electrode pins are led out from the lower part of the electrode wire on the flexible heating film; 7) and coating a layer of high-thermal-conductivity glue. Compared with the prior art, the invention has simple structure, convenient assembly and low cost, and is suitable for large-scale production; the film not only has the function of heating the indium tin oxide film in a common liquid crystal display, but also serves as a back heating film, and has the advantages of flexibility and low-voltage driving.
Description
Technical Field
The invention relates to the field of heating films, in particular to a preparation method of a portable rectangular flexible low-voltage driving electric heating film.
Background
Due to the limitation of material characteristics, liquid crystal displays, OLED displays and the like have the problems of slow response speed, low brightness and even failure when the operating temperature is lower than 0 ℃, and the long-term operation in a low-temperature environment can cause the service life of the device to be reduced. In order to solve the problem of low-temperature working bottleneck, an electric heating film is often adopted in the industry for assisting in increasing the working temperature. The front transparent conductive film which is most commonly used at present comprises an indium tin oxide heating film, a nano silver metal film, an FTO transparent conductive film and the like. The front-mounted film is a transparent conductive film mainly prepared by using glass or transparent polyester Plastic (PET) as a substrate, the whole surface of the transparent conductive film is covered with a heating film, the power consumption is slightly high, and the film has certain influence on the display characteristics of the display, such as brightness, chromatic aberration, resolution ratio and the like. On the other hand, the transparent film has a limited heating power because of its extremely small thickness.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, designs a preparation method of a portable rectangular flexible low-voltage driving electric heating film, adopts a process of preparing a low-voltage driving electric heating film on a flexible PET material containing back glue by using a silver-carbon material, and uses a back-attached heating film to achieve the advantages of flexibility and low-voltage driving.
In order to achieve the purpose, the preparation method of the portable rectangular flexible low-voltage driving electric heating film is characterized by comprising the following steps: 1) step 1, adding a one-dimensional or two-dimensional nano silver material into low-temperature silver paste, wherein the addition amount is 0.5-5%, so as to obtain improved silver paste; 2) step 2, adding a one-dimensional or two-dimensional nano carbon material into the improved silver paste, wherein the addition amount is 0.5-1.5%, so as to obtain the improved low-temperature carbon silver paste; 3) step 3, uniformly mixing and improving the low-temperature carbon silver paste by adopting any one of methods such as high-energy ball-milling vibration grinding, plane grinding, three-roller grinding and the like; 4) step 4, preparing the improved low-temperature carbon silver paste on an electrode substrate film in a screen printing mode, baking for 1-2 hours at the temperature of 150 ℃, and naturally cooling to obtain a flexible heating electrode film; 5) step 5, overprinting 1-5 layers of flexible heating electrode films with different thicknesses on the electrode substrate film according to needs, wherein each layer of flexible heating electrode film is provided with an asymmetric electrode; 6) step 6, leading out two electrode pins below the electrode wires on the flexible heating film, and directly connecting the electrode pins with a heating control circuit through a hot pressing method; 7) and 7, coating a layer of high-thermal-conductivity glue on the surface of the flexible heating film after the step 6 is finished.
In the step 1, the one-dimensional nano silver material is flaky nano silver powder, and the addition amount of the flaky nano silver powder is 0.5-3%; the two-dimensional nano silver material is a nano silver wire, the length-diameter ratio of the nano silver wire is more than 150, and the addition amount is 1-5%.
In the step 2, the one-dimensional nano carbon material is graphene, and the number of layers of the graphene is less than 8; the two-dimensional carbon nanomaterial is a multi-walled carbon nanotube, and the length-diameter ratio of the multi-walled carbon nanotube is more than 200.
In step 5, the electrode film is a rectangular film, the length of the rectangular film is L, the width of the rectangular film is W, the asymmetric electrode is a line electrode, and the line electrodes are symmetrically distributed along the middle line of the long side of the electrode film.
Width W of the line electrode 01/35-1/25 of the width W of the electrode film, the wire electrodes are arranged in a bent mode, the wire electrodes are distributed in the left and right mode, the left upper portion and the right lower portion of the wire electrodes, the left lower portion and the right upper portion of the wire electrodes are respectively in central symmetry, and the distance between every two adjacent transverse wires of the wire electrodes is Hn+1=6/5HnThe distance between two nearest transverse lines above the central line of the line electrode is H(n+x)Then H is（n+x+1）=4/5H(n+x)After the line electrode exceeds the horizontal neutral line, Hn+1=4/5Hn(ii) a The distance between the periphery of the electrode wire and the edge is 2W0±0.5W0。
In the step 7, the high-thermal-conductivity adhesive can be one of a high-thermal-conductivity transparent adhesive and a high-thermal-conductivity semi-transparent adhesive, and the thickness of the coating of the high-thermal-conductivity adhesive is 2-20 um.
Compared with the prior art, the invention has simple structure, convenient assembly and low cost, and is suitable for large-scale production; the film not only has the function of heating the indium tin oxide film in a common liquid crystal display, but also serves as a back heating film, and has the advantages of flexibility and low-voltage driving.
Drawings
Fig. 1 is a layout of electrode lines on a flexible heating film in the present invention.
Fig. 2 is a schematic view showing the adhesion position of the flexible heating film in the present invention.
FIG. 3 is an infrared image of an electrode measured in an embodiment of the invention.
Detailed Description
The invention is further illustrated below with reference to the accompanying drawings.
As shown in fig. 1, the method comprises the following steps: 1) step 1, adding a one-dimensional or two-dimensional nano silver material into low-temperature silver paste, wherein the addition amount is 0.5-5%, so as to obtain improved silver paste; 2) step 2, adding a one-dimensional or two-dimensional nano carbon material into the improved silver paste, wherein the addition amount is 0.5-1.5%, so as to obtain the improved low-temperature carbon silver paste; 3) step 3, uniformly mixing and improving the low-temperature carbon silver paste by adopting any one of methods such as high-energy ball-milling vibration grinding, plane grinding, three-roller grinding and the like; 4) step 4, preparing the improved low-temperature carbon silver paste on an electrode substrate film in a screen printing mode, baking for 1-2 hours at the temperature of 150 ℃, and naturally cooling to obtain a flexible heating electrode film; 5) step 5, overprinting 1-5 layers of flexible heating electrode films with different thicknesses on the electrode substrate film according to needs, wherein each layer of flexible heating electrode film is provided with an asymmetric electrode; 6) step 6, leading out two electrode pins below the electrode wires on the flexible heating film, and directly connecting the electrode pins with a heating control circuit through a hot pressing method; 7) and 7, coating a layer of high-thermal-conductivity glue on the surface of the flexible heating film after the step 6 is finished.
In the step 1, the one-dimensional nano silver material is flaky nano silver powder, and the addition amount of the flaky nano silver powder is 0.5-3%; the two-dimensional nano silver material is a nano silver wire, the length-diameter ratio of the nano silver wire is more than 150, and the addition amount is 1-5%.
In the step 2, the one-dimensional nano carbon material is graphene, and the number of layers of the graphene is less than 8; the two-dimensional carbon nanomaterial is a multi-walled carbon nanotube, and the length-diameter ratio of the multi-walled carbon nanotube is more than 200.
In step 5, the electrode film is a rectangular film, the length of the rectangular film is L, the width of the rectangular film is W, the asymmetric electrode is a line electrode, and the line electrodes are symmetrically distributed along the middle line of the long side of the electrode film.
Width W of the line electrode 01/35-1/25 of the width W of the electrode film, the wire electrode is arranged in a bent mode, the whole wire electrode is distributed left and right, and the upper left part and the lower right part, the lower left part and the upper right part of the wire electrode are respectively the middleCentrosymmetry, the distance between two adjacent transverse wires of the line electrode is Hn+1=6/5HnThe distance between two nearest transverse lines above the central line of the line electrode is H(n+x)Then H is（n+x+1）=4/5H(n+x)After the line electrode exceeds the horizontal neutral line, Hn+1=4/5Hn(ii) a The distance between the periphery of the electrode wire and the edge is 2W0±0.5W0。
In the step 7, the high-thermal-conductivity adhesive can be one of a high-thermal-conductivity transparent adhesive and a high-thermal-conductivity semi-transparent adhesive, and the thickness of the coating of the high-thermal-conductivity adhesive is 2-20 um.
Example (b):
a flexible electric heating film is designed for a PLC liquid crystal display with the size of 62mm multiplied by 105mm, and the electrode arrangement mode is shown in figure 1. In selecting a substrate material of 62mm x 105mm PET, the width of the electrode wires is 2 mm. Firstly, printing a layer of silver carbon paste added with graphene on PET, wherein the addition amount of the graphene is 1%; after drying, a layer of silver carbon paste added with carbon nano tubes is overprinted on the upper part of the existing electrode, and the adding amount of the carbon nano tubes is 1.5 percent, and the silver carbon paste is baked for 1 hour at the low temperature of 150 ℃. High-thermal-conductivity transparent silica gel is selected, and protective gel of about 5um is formed on the surface of the electrode through a spin coating process. The extraction electrode is connected with a control circuit so as to apply 5V direct current voltage, after the electrode is electrified for 10 minutes, the infrared imaging of the electrode is measured as shown in figure 3, and the average temperature rise amplitude of the surface can reach 31 ℃.
Claims (4)
1. A preparation method of a portable rectangular flexible low-voltage driving electric heating film is characterized by comprising the following steps: 1) step 1, adding a one-dimensional or two-dimensional nano silver material into low-temperature silver paste, wherein the addition amount is 0.5-5%, so as to obtain improved silver paste; 2) step 2, adding a one-dimensional or two-dimensional nano carbon material into the improved silver paste, wherein the addition amount is 0.5-1.5%, so as to obtain the improved low-temperature carbon silver paste; 3) step 3, uniformly mixing and improving the low-temperature carbon silver paste by adopting any one of high-energy ball-milling vibration grinding, plane grinding and three-roller grinding methods; 4) step 4, preparing the improved low-temperature carbon silver paste on an electrode substrate film in a screen printing mode, baking for 1-2 hours at the temperature of 150 ℃, and naturally cooling to obtain a flexible heating electrode film; 5) step 5, overprinting 1-5 layers of flexible heating electrode films with different thicknesses on the electrode substrate film according to needs, wherein each layer of flexible heating electrode film is provided with an asymmetric electrode; 6) step 6, leading out two electrode pins below the upper electrode of the flexible heating film, and directly connecting the electrode pins with a heating control circuit through a hot pressing method; 7) step 7, coating a layer of high-thermal-conductivity glue on the surface of the flexible heating film after the step 6 is finished;
in step 5, the electrode film is a rectangular film, the length of the rectangular film is L, the width of the rectangular film is W, the asymmetric electrode is a line electrode, and the line electrodes are symmetrically distributed along the central line of the long side of the electrode film;
width W of the line electrode 01/35-1/25 of the width W of the electrode film, the wire electrodes are arranged in a bent mode, the wire electrodes are distributed in the left and right mode, the left upper portion and the right lower portion of the wire electrodes, the left lower portion and the right upper portion of the wire electrodes are respectively in central symmetry, and the distance between every two adjacent transverse wires of the wire electrodes is Hn+1=6/5HnThe distance between two nearest transverse lines above the central line of the line electrode is H(n+x)Then H is（n+x+1）=4/5H(n+x)After the line electrode exceeds the horizontal neutral line, Hn+1=4/5Hn(ii) a The distance between the periphery of the line electrode and the edge is 2W0±0.5W0。
2. The method for preparing a portable rectangular flexible low-voltage driven electric heating film as claimed in claim 1, wherein: in the step 1, the one-dimensional nano silver material is flaky nano silver powder, and the addition amount of the flaky nano silver powder is 0.5-3%; the two-dimensional nano silver material is a nano silver wire, the length-diameter ratio of the nano silver wire is more than 150, and the addition amount is 1-5%.
3. The method for preparing a portable rectangular flexible low-voltage driven electric heating film as claimed in claim 1, wherein: in the step 2, the one-dimensional nano carbon material is graphene, and the number of layers of the graphene is less than 8; the two-dimensional carbon nanomaterial is a multi-walled carbon nanotube, and the length-diameter ratio of the multi-walled carbon nanotube is more than 200.
4. The method for preparing a portable rectangular flexible low-voltage driven electric heating film as claimed in claim 1, wherein: and 7, using one of high-thermal-conductivity transparent glue and high-thermal-conductivity semi-transparent glue as the high-thermal-conductivity glue, wherein the thickness of the coating of the high-thermal-conductivity glue is 2-20 um.
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| CN107333343B true CN107333343B (en) | 2021-07-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109896847A (en) * | 2017-12-07 | 2019-06-18 | 李刚 | A kind of infrared ray heating film and preparation method thereof, electric heating plate and heating furnace |
| CN109246870B (en) * | 2018-08-13 | 2020-06-09 | 武汉大学 | Preparation method of fully-printed low-voltage flexible high-performance patterned heating device |
| CN109283725A (en) * | 2018-10-31 | 2019-01-29 | 安徽奕辉电子科技有限公司 | A kind of liquid crystal display with automatic temperature control system |
| CN111863343B (en) * | 2019-04-30 | 2021-12-03 | 北京梦之墨科技有限公司 | Conductive laminate, electronic tag, conductive paste printing method, and printing apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209503A (en) * | 2013-01-24 | 2013-07-17 | 洛阳市云际电子科技有限公司 | Heating flexible transparent thin film printed with silver paste and carbon paste and production method thereof |
| CN104387854A (en) * | 2014-11-24 | 2015-03-04 | 苏州斯迪克新材料科技股份有限公司 | Heat-resistant nano-silver conductive paint and manufacturing process thereof |
| CN105208692A (en) * | 2015-10-10 | 2015-12-30 | 苏州聚宜工坊信息科技有限公司 | Flexible heating film assembly and preparing method thereof |
| CN106024100A (en) * | 2016-07-20 | 2016-10-12 | 苏州顾氏新材料有限公司 | Low-temperature conductive silver paste and preparation method and application thereof |
| CN106816202A (en) * | 2017-02-15 | 2017-06-09 | 山东圣泉新材料股份有限公司 | A kind of Graphene denatured conductive silver paste and preparation method thereof |
-
2017
- 2017-06-30 CN CN201710526409.0A patent/CN107333343B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209503A (en) * | 2013-01-24 | 2013-07-17 | 洛阳市云际电子科技有限公司 | Heating flexible transparent thin film printed with silver paste and carbon paste and production method thereof |
| CN104387854A (en) * | 2014-11-24 | 2015-03-04 | 苏州斯迪克新材料科技股份有限公司 | Heat-resistant nano-silver conductive paint and manufacturing process thereof |
| CN105208692A (en) * | 2015-10-10 | 2015-12-30 | 苏州聚宜工坊信息科技有限公司 | Flexible heating film assembly and preparing method thereof |
| CN106024100A (en) * | 2016-07-20 | 2016-10-12 | 苏州顾氏新材料有限公司 | Low-temperature conductive silver paste and preparation method and application thereof |
| CN106816202A (en) * | 2017-02-15 | 2017-06-09 | 山东圣泉新材料股份有限公司 | A kind of Graphene denatured conductive silver paste and preparation method thereof |
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