CN109532067A - A kind of manufacturing method of high-performance flexible electric heating film - Google Patents
A kind of manufacturing method of high-performance flexible electric heating film Download PDFInfo
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- CN109532067A CN109532067A CN201811354592.1A CN201811354592A CN109532067A CN 109532067 A CN109532067 A CN 109532067A CN 201811354592 A CN201811354592 A CN 201811354592A CN 109532067 A CN109532067 A CN 109532067A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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Abstract
The present invention relates to the manufacturing methods for proposing a kind of high-performance flexible electric heating film, manufacture high-resolution, large ratio of height to width master tooling with the method for electric field driven melting jet deposition 3D printing；The vacuum pouring liquid dimethyl silicone polymer (PDMS) on master tooling makes PDMS soft mold；Electrocondution slurry (high metal content) is filled into the groove of PDMS soft mold by the way of electrowetting auxiliary blade coating and is solidified at a certain temperature；One layer of conducting polymer is coated on target flexibility substrate；The method transferred using conducting polymer, electrocondution slurry is transferred on flexible parent metal；Post-processing is further sintered to the conductive structure on flexible parent metal, obtains the flexible and transparent electric heating film of low square resistance, high transparency (large ratio of height to width, high-resolution, high metal content metal wire).
Description
Technical field
The invention belongs to transparent electric-heating technology fields more particularly to a kind of combination electric field driven melting jet deposition 3D to beat
Print technology and conducting polymer assist the flexible and transparent electric heating film high-efficiency and low-cost of micro- transfer technique realization high photoelectric performance
Manufacture new method.
Background technique
One kind typical application of the transparent electric heater as transparent electrode, touch screen, OLED, LCD, vehicle glass,
The numerous areas such as billboard play a part of demisting, defrosting and anti-ice.With the flexibility development trend of opto-electronic device, promote
Transparent electric heater is set to realize flexibility.And there are bend resistance abilities that poor, indium is for traditional electric heating material tin indium oxide (ITO)
Rare metal problem, so that its manufacture for being difficult to continue to apply to flexible and transparent electric heater.Therefore, in recent years, conducting polymer
The conductive materials such as object, graphene and carbon nanotube, metal nanometer line and metal grill are added by development and application in flexible electrical successively
The manufacture of hot film.Although these materials are all proved to can be applied to the manufacture of flexible and transparent electrical-heating film.However, from comprehensive
The angle of light combination electrical property is difficult to realize the manufacture of high transparency and low square resistance value transparent heating film, due to light transmittance and low
Sheet resistance value be under certain condition it is conflicting, for example, by using conducting polymer, graphene, carbon nanotube or metal nanometer line
When manufacturing flexible and transparent electric heater, the conductive material being deposited on fexible film is thicker, and the electric conductivity of fexible film is better, i.e.,
Heating properties are better, and thicker conductive film will have lower light transmittance.
However, the translucency of conductive film can be improved in metal grill to a certain extent, on condition that guaranteeing that metal grill has
Higher electric conductivity.The conductivity of the depth-width ratio and metallic mesh material that improve metal grill as a result, which becomes, solves metal mesh
The effective way of contradictory problems between lattice translucency and electric conductivity.Currently, there are many manufacturing methods of metal grill, such as optics light
Quarter, nano impression, inkjet printing, aerosol printing, however, although optical lithographic methods can be realized the system of high-performance metal grid
It makes, but the manufacturing cycle is long, at high cost, is especially difficult to realize the manufacture of the metal grill on flexible parent metal；However, nano impression
Mother matrix and large area imprinting in large area manufacture are always insoluble bottleneck problem；Inkjet printing and aerosol spray
Penetrate the printing for being difficult to realize high metal content and large ratio of height to width micro-structure.To sum up, there is an urgent need to develop a kind of flexible metal nets
The manufacturing technology of lattice can meet the needs of high-performance flexible electrical-heating film, existing high metal content, high-resolution net
Line, and have the structure of large ratio of height to width, and be suitable for flexible substrates.To realize the low cost batch of high-performance flexible electric heating film
Change manufacture.
Summary of the invention
In order to overcome the shortcomings of the transparent electric heating film process of existing manufacture and defect, the present invention provides one kind to be based on
Electric field driven melts the transparent electric heating film manufacturing method of jet deposition 3D printing technique and conducting polymer transfer technique, can be real
The low cost manufacturing of existing high-performance (high-resolution, large ratio of height to width, high metal content metal wire) flexible and transparent electric heating film, has
High production efficiency, preparation step be simple, can mass production the advantages that, the flexible and transparent electric heating film prepared has good
Optical characteristics and electrology characteristic provide a kind of solution party for the scale manufacture of transparent electric heating film and wearable electronic
Case.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A kind of manufacturing method of high-performance flexible electric heating film, comprising:
Step 1): large ratio of height to width master tooling is gone out using electric field driven melting jet deposition 3D printing；
Step 2): vacuum pouring liquid polydimethylsiloxane is made with reeded Working mould on master tooling
Tool；
Step 3): conductive slurries, solidification are filled to the groove of work mold, the template for filling conductive slurries is made；
Step 4): flexible parent metal surface coat one layer of conductive polymer solution, and by template made of step 3) with lead
Electropolymerization nitride layer fitting, the cured electrocondution slurry in the template is transferred on flexible parent metal, sintering to get.
Different from load conductive structure in substrate of glass, the conductive silver wire of high adhesion force in substrate of glass can be by leading
Doped-glass powder in electric silver paste, and high temperature sintering obtains the attachment of high adhesion strength.And for flexible substrates, it is difficult to bear high
Temperature sintering post-processing, therefore, in order to guarantee that conductive structure can be transferred to ethylene terephthalate PET, poly- naphthalenedicarboxylic acid second
On the flexible substrates such as diol ester PEN, polyimides PI, in some embodiments, the application is selected with low-temperature solids such as PEDOT/PSS
The conducting polymer of change is micro- offset medium, and bonding force with conductive structure after being solidified using them, is transferred to above-mentioned
On flexible substrate, meanwhile, the electric conductivity of flexible and transparent electrical-heating film can be enhanced in conducting polymer, also can effectively make up flexibility
It is influenced caused by being bent because of flexibility electric conductivity in substrate.
In some embodiments, the conductive polymer solution is poly- (3,4- ethylenedioxythiophene) PEDOT/ polyphenyl second
Alkene sulfonic acid (PEDOT/PSS).
In some embodiments, the flexible substrate is polyethylene terephtalate, poly- naphthalenedicarboxylic acid ethylene glycol
Ester PEN or polyimides PI.
In some embodiments, the electrocondution slurry is that nano-silver conductive slurry, Nanometer Copper electrocondution slurry or Platinum Nanoparticles are led
Plasma-based material.
In some embodiments, the printed material is polymetylmethacrylate or polycaprolactone (PCL).
In some embodiments, in step 3), electrocondution slurry is filled into work by the way of electrowetting auxiliary blade coating
The groove of mold.
In some embodiments, in step 4), after the template of the conductive slurries of filling is bonded with conducting polymer liquid, make to lead
Electric polymer solidification, then, the mold that will work are separated with flexible parent metal to get the flexible parent metal of conductive structure is had.
In some embodiments, the actual conditions of the electrowetting are to apply electric field between scraper and PDMS soft mold,
Voltage is 100V-500V.
The present invention also provides the high-performance flexible electric heating films of any above-mentioned method preparation.
The present invention also provides above-mentioned high-performance flexible electric heating film household electrical appliance, power electronics, communication, the energy,
Application in aerospace field.
The beneficial effects of the present invention are:
(1) electric field driven melting both jet deposition 3D printing technique and conducting polymer transfer technique are organically combined,
Play electric field driven melting jet deposition 3D printing can low cost manufacture high-resolution (1-20 microns), large ratio of height to width (0.3-
2) advantage of micro-mould can transfer the advantage of large ratio of height to width micro-structure in combination with the micro- transfer technique of conducting polymer, can be made
To the transparent electric heating film of high-performance (light transmittance is high, and sheet resistance is low).
(2) while using the conducting polymer of layer as micro- offset medium, flexible and transparent heating is also enhanced
The electric conductivity of film can also effectively make up flexible electrical-heating film because of influence caused by bending electric conductivity.To further decrease
The sheet resistance of transparent heating film, for the thickness of conducting polymer depending on the relationship of its electric conductivity and translucency, principle is not
Under the premise of influencing light transmittance requirement, using the conducting polymer of maximum thickness.
(3) entire technical process is simple, and cost is relatively low, and material has wide range of applications (using blade coating filling to material property
It is required that low).
The present invention provides solution for the problem of comprehensive photoelectric properties difference generated in transparent electric heating film manufacturing process
Scheme.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is that the present invention is based on electric field driven melting jet deposition 3D printing technique and the micro- transfer technique systems of conducting polymer
Make the step schematic diagram of the transparent electric heating film of high-performance flexible.
Fig. 2 (a)~(f) is the embodiment schematic diagram of present invention manufacture high-performance electric heating film.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used in this application have logical with the application person of an ordinary skill in the technical field
The identical meanings understood.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, it is difficult under the conditions of low cost for the manufacturing method of existing metal grill,
The problem of producing high-performance (high-resolution, large ratio of height to width, high metal content metal wire) flexible and transparent electric heating film.The present invention
The manufacturing method for proposing a kind of high-performance flexible electric heating film is manufactured with the method for electric field driven melting jet deposition 3D printing
High-resolution, large ratio of height to width master tooling；The vacuum pouring liquid dimethyl silicone polymer (PDMS) on master tooling, production PDMS are soft
Mold；Electrocondution slurry (high metal content, 60%-80%) is filled into PDMS soft mold by the way of electrowetting auxiliary blade coating
Groove in and solidify at a certain temperature；One layer of conducting polymer is coated on target flexibility substrate；Utilize conducting polymer
The method of transfer, electrocondution slurry is transferred on flexible parent metal；Post-processing is further sintered to the conductive structure on flexible parent metal,
Obtain the flexible and transparent electric heating film of low square resistance, high transparency (large ratio of height to width, high-resolution, high metal content metal wire).
Printed substrate used in the method for electric field driven melting jet deposition 3D printing is glass, silicon wafer etc.,
The printed material used is polymethyl methacrylate (PMMA), polycaprolactone (PCL) etc..
The electrocondution slurry includes nano-silver conductive slurry, Nanometer Copper electrocondution slurry, Platinum Nanoparticles electrocondution slurry etc..
The flexible parent metal includes polyethylene terephthalate (PET), polyethylene naphthalate (PEN), gathers
Acid imide (PI) etc..
The conducting polymer includes poly- (3,4- ethylenedioxythiophene)/polystyrolsulfon acid (PEDOT/PSS) etc..
A kind of manufacturing method of the transparent electric heating film of high-performance flexible, comprising the following steps:
Step 1, master tooling manufactures；
In such a way that electric field driven melts jet deposition 3D printing, high-resolution, large ratio of height to width master tooling are manufactured；
Step 2, PDMS soft mold manufactures；
In master tooling upper liquid PDMS, heating solidifies PDMS, then separates PDMS with master tooling, obtain PDMS
Soft mold；
Step 3, electrocondution slurry is scratched；
By the way of blade coating, while applying electric field, electrocondution slurry is filled into the groove of PDMS soft mold, and makes to lead
Electric slurry curing；
Step 4, conducting polymer is coated；
One layer of conducting polymer liquid is coated on target flexibility substrate；
Step 5, conducting polymer transfers；
The electrocondution slurry after solidification is transferred on flexible parent metal using conducting polymer transfer technique；
Step 6, electrocondution slurry is sintered；
To the further sintering curing of electrocondution slurry on flexible parent metal, optics and the preferable flexible and transparent of electric property are obtained
Electric heating film.
The specific steps of the step 1 are as follows:
Substrate needed for choosing printing, cleans it, and carries out plasma bombardment processing to its surface；Using electric field
Driving melting jet deposition 3D printing technique, chooses suitable printed material, prints flexible and transparent on substrate after treatment
High-resolution needed for electric heating film, large ratio of height to width micro/nano-scale mold.
The specific steps of the step 2 are as follows:
PDMS liquid is subjected to vacuumize process, then by the way of casting, PDMS liquid is coated on master tooling,
And it is fully cured with 80 DEG C of -90 DEG C of heating 15-20min PDMS；After solidification, the method demoulded using " open-type " will
PDMS is kept completely separate with master tooling, is obtained with reeded PDMS soft mold.
The specific steps of the step 3 are as follows:
Using the method for blade coating, blade coating tool is scraper, selects suitable conductive nano slurry, and soft with PDMS in scraper
Apply electric field between mold, electrocondution slurry is filled into the groove of PDMS soft mold by voltage 100V-500V with scraper, is protected
It demonstrate,proves and is full of electrocondution slurry in groove, and groove top is without remaining electrocondution slurry；The PDMS that will be filled with conductive nano slurry is soft
Mold solidifies 10-15min at 100 DEG C -120 DEG C, and the solvent in conductive nano slurry is made to volatilize.
The specific steps of the step 4 are as follows:
Take target flexibility substrate, by its surface clean it is clean after, in one layer of conducting polymer liquid of applied atop；
The specific steps of the step 5 are as follows:
The PDMS soft mold that will be filled with conducting wire is covered on conducting polymer liquid, and carries out hot place to conducting polymer
Reason, with the solidification of conducting polymer, the adhesion strength on surface gathers the conductive structure " pulling " in PDMS soft mold to conductive
Object surface is closed, then PDMS soft mold is demoulded, separates PDMS soft mold with target flexibility substrate, is obtained with conductive structure
Flexible parent metal；
The specific steps of the step 6 are as follows:
Further sintering post-processing is carried out to the conductive structure on flexible parent metal, improves its optics and electric property.
With reference to the accompanying drawing and specific embodiment the present invention is described further.
Embodiment 1
The present embodiment melts jet deposition 3D printing technique by electric field driven first and manufactures large ratio of height to width, high-resolution mother
Mold, wherein printed material PMMA, print structure are wire grid construction；Then, that the structure on master tooling is transferred to PDMS is soft
On mold；Later, nano-silver conductive slurry is filled into PDMS soft mold groove, one layer of conduction of spin coating is poly- in PET film
Close object PEDOT/PSS；Finally, silver wire is transferred on target flexibility substrate by conducting polymer transfer technique, and to silver
Conducting wire is further sintered post-processing.
The detailed process of manufacture includes: master tooling manufacture, the manufacture of PDMS soft mold, the blade coating of electrocondution slurry and solidification, leads
Electric polymer coating, conducting polymer transfer, electrocondution slurry sintering.As shown in Fig. 2 (a)~(f).
Specific works method and steps are as follows:
Step 1: master tooling manufacture.
Step 1-1: taking substrate of the simple glass as 3D printing, clean to substrate, uses acetone and isopropanol first
It is cleaned by ultrasonic 10min respectively, then is rinsed with deionized water, then with being dried with nitrogen, finally using plasma processor to glass
Surface carries out plasma bombardment processing, can improve the adhesive force between printed material and substrate to Substrate Surface Modification；
Step 1-2: it chooses PMMA and is driven according to designed micro-nano graph wire grid construction using electric field as printed material
Dynamic melting jet deposition 3D printing technique prints PMMA wire grid construction on substrate, obtains high-resolution, large ratio of height to width master mold
Tool, the wherein parameter of wire grid construction are as follows: active graphical region area is 200mm × 200mm, 5 μm of line width, 100 μm of the period, height
4μm。
The manufacture of step 2:PDMS soft mold.
Step 2-1: coating a layer thickness by the way of casting on the master tooling surface that 3D printing obtains is about 1.5mm's
PDMS liquid, the PDMS liquid of selection are the Sylgard 184 of Dow Corning company；
Step 2-2: the master tooling placement for being coated with PDMS liquid is heating and curing under vacuum conditions, solidification temperature 80
DEG C, curing time 20min forms PDMS；
Step 2-3: the PDMS of curing molding is separated with master tooling using the release method of " open-type ", it is soft to obtain PDMS
Mold.
Step 3: the blade coating of electrocondution slurry and solidification.
Step 3-1: taking nano-silver conductive slurry (middle Kona leads to NT-TL20E), and by the way of blade coating, selection is suitable
Speed and blade coating angle are scratched, and applies electric field between scraper and PDMS, wherein voltage is 200V, by nano-silver conductive slurry
It is filled into the groove on PDMS soft mold, under the action of electrowetting effect, it is ensured that be full of nano silver in inside grooves
Electrocondution slurry；
Step 3-2: the PDMS soft mold that will be filled with nano-silver conductive slurry is placed in heating environment, leads nano silver
Solvent volatilization in plasma-based material, realizes solidification, forms silver wire in PDMS soft mold groove, this nano-silver conductive used
Slurry is the conductive nano silver paste of BeiJing ZhongKe Na Tong company production, and solidification temperature is 100 DEG C, curing time 10min.
Step 4: coating conducting polymer.
Taking area is 300mm × 300mm, with a thickness of 100 μm of common PET films as target substrate, is made to its surface
After cleaning treatment, one layer of PEDOT/PSS liquid in spin coating.
Step 5: conducting polymer transfer.
Step 5-1: the PDMS soft mold for filling silver wire is covered in PET film, PDMS soft mold and PET film are made
Surface comes into full contact with, it is ensured that does not generate bubble between the two；
Step 5-2: the PET film that will be covered with PDMS soft mold, which is placed under 90 DEG C of environment, heats 5min, makes PEDOT/PSS
Liquid curing film forming, in the solidification process of PEDOT/PSS liquid, the adherency that is generated between PEDOT/PSS film and silver-colored grid
Power is greater than the adhesion strength between PDMS soft mold groove and silver-colored grid, so that silver-colored grid " pulling " is arrived PEDOT/PSS film table
Face；
Step 5-3: using the method for " open-type " demoulding, PDMS soft mold is separated with PET film, obtains leading with silver
The PET film of line, realize silver wire from PDMS soft mold to PET film on transfer.
Step 6: electrocondution slurry sintering.
PET film with silver wire is placed at 135 DEG C and heats 40min, it is solid to carry out further sintering to silver wire
Change, obtain optics and the excellent flexible and transparent electric heating film of electric property, is added using the transparent electricity that milliohmmeter AT516 measures manufacture
Hot glass sheet resistance is 3 Ω/sq, using ultraviolet-uisible spectrophotometer (UV-6100) to the optics for manufacturing transparent electrically heated glass
Performance (light transmittance) measures characterization, is 95% (deducting PET) in the light transmittance of visible light wave range (at 550nm).
Embodiment 2
The present embodiment melts jet deposition 3D printing technique by electric field driven first and manufactures high-resolution, large ratio of height to width mother
Mold, wherein printed material PCL, print structure are network；Then, that the structure on master tooling is transferred to PDMS is soft
On mold；Later, nano-silver conductive slurry is filled into PDMS soft mold groove, then one layer of spin coating in PET film
PEDOT/PSS liquid；Finally, silver-colored grid is transferred on target flexibility substrate by conducting polymer transfer technique, and to silver
Grid is further sintered.
The detailed process of manufacture includes: master tooling manufacture, the manufacture of PDMS soft mold, the blade coating of electrocondution slurry and solidification, leads
Electric polymer transfer, electrocondution slurry sintering.As shown in Fig. 2 (a)~(f).
Specific works method and step is as follows:
Step 1: master tooling manufacture.
Step 1-1: taking substrate of the simple glass as 3D printing, clean to substrate, uses acetone and isopropanol first
It is cleaned by ultrasonic 10min respectively, then is rinsed with deionized water, then with being dried with nitrogen, finally using plasma processor to glass
Surface carries out plasma bombardment processing, can improve the adhesive force between printed material and substrate to Substrate Surface Modification；
Step 1-2: PCL is chosen as printed material, according to designed micro-nano graph network, with electric field driven
Melting jet deposition 3D printing technique prints PCL network on substrate, obtains large ratio of height to width, high-resolution master tooling,
The wherein parameter of network are as follows: active graphical region area be 100mm × 100mm, 2 μm of line width, 100 μm of the period, height 2 μ
m。
The manufacture of step 2:PDMS soft mold.
Step 2-1: coating a layer thickness by the way of casting on the master tooling surface that 3D printing obtains is about 1.5mm's
PDMS liquid, the PDMS liquid of selection are the Sylgard 184 of Dow Corning company；
Step 2-2: the master tooling placement for being coated with PDMS liquid is heating and curing under vacuum conditions, solidification temperature 80
DEG C, curing time 20min forms PDMS；
Step 2-3: the PDMS of curing molding is separated with master tooling using the release method of " open-type ", it is soft to obtain PDMS
Mold.
Step 3: the blade coating of electrocondution slurry and solidification.
Step 3-1: taking nano-silver conductive slurry (middle Kona leads to NT-TL20E), and by the way of blade coating, selection is suitable
Speed and blade coating angle are scratched, and applies electric field between scraper and PDMS, wherein voltage is 300V, by nano-silver conductive slurry
It is filled into the groove on PDMS soft mold, under the action of electrowetting effect, it is ensured that be full of nano silver in inside grooves
Electrocondution slurry；
Step 3-2: the PDMS soft mold that will be filled with nano-silver conductive slurry is placed in heating environment, leads nano silver
Solvent volatilization in plasma-based material, realizes solidification, and silver-colored grid, the nano silver used for this are formed in PDMS soft mold groove
Electrocondution slurry, solidification temperature are 120 DEG C, curing time 10min.
Step 4: coating conducting polymer.
Taking area is 150mm × 150mm, with a thickness of 200 μm of common PET films as target substrate, is made to its surface
After cleaning treatment, one layer of PEDOT/PSS liquid in spin coating.
Step 5: conducting polymer transfer.
Step 5-1: the PDMS soft mold for filling silver-colored grid is covered in PET film, PDMS soft mold and PET film are made
Surface comes into full contact with, it is ensured that does not generate bubble between the two；
Step 5-2: the PET film that will be covered with PDMS soft mold, which is placed under 90 DEG C of environment, heats 5min, makes PEDOT/PSS
Liquid curing film forming, in the solidification process of PEDOT/PSS liquid, the adherency that is generated between PEDOT/PSS film and silver-colored grid
Power is greater than the adhesion strength between PDMS soft mold groove and silver-colored grid, so that silver-colored grid " pulling " is arrived PEDOT/PSS film table
Face；
Step 5-3: using the method for " open-type " demoulding, PDMS soft mold being separated with PET film, is obtained with silver-colored net
The PET film of lattice, realize silver-colored grid from PDMS soft mold to PET film on transfer.
Step 6: electrocondution slurry sintering.
PET film with silver-colored grid is placed at 135 DEG C and heats 40min, it is solid to carry out further sintering to silver-colored grid
Change, obtain optics and the excellent flexible and transparent electric heating film of electric property, is added using the transparent electricity that milliohmmeter AT516 measures manufacture
Hot glass sheet resistance is 3.5 Ω/sq, using ultraviolet-uisible spectrophotometer (UV-6100) to the light for manufacturing transparent electrically heated glass
It learns performance (light transmittance) and measures characterization, be 93% (deducting PET) in the light transmittance of visible light wave range (at 550nm).
Finally it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not limited to this hair
It is bright, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still
It can modify to technical solution documented by previous embodiment, or part is equivalently replaced.It is all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not to the scope of the present invention
Limitation, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not required to
Make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of manufacturing method of high-performance flexible electric heating film characterized by comprising
Step 1): going out large ratio of height to width master tooling using electric field driven melting jet deposition 3D printing,
Step 2): vacuum pouring liquid PDMS is made with reeded work mold on master tooling；
Step 3): conductive slurries, solidification are filled to the groove of work mold, the template for filling conductive slurries is made；
Step 4): one layer of conductive polymer solution is coated on flexible parent metal surface, and template made of step 3) and conduction is poly-
Close nitride layer fitting, the cured electrocondution slurry in the template is transferred on flexible parent metal, sintering to get.
2. the method as described in claim 1, which is characterized in that the conductive polymer solution is poly- (3,4- vinyl dioxies
Thiophene) PEDOT/ polystyrolsulfon acid (PEDOT/PSS).
3. the method as described in claim 1, which is characterized in that the flexible substrate is ethylene terephthalate PET, poly- naphthalene
Naphthalate PEN or polyimides PI.
4. the method as described in claim 1, which is characterized in that the electrocondution slurry is nano-silver conductive slurry, Nanometer Copper is led
Plasma-based material or Platinum Nanoparticles electrocondution slurry.
5. the method as described in claim 1, which is characterized in that the printed material is polymetylmethacrylate or gathers
Caprolactone PCL；
Or printed substrate is glass or silicon wafer.
6. the method as described in claim 1, which is characterized in that in step 3), will be led by the way of electrowetting auxiliary blade coating
Plasma-based material is filled into the groove of work mold.
7. the method as described in claim 1, which is characterized in that in step 4), fill the template and conducting polymer of conductive slurries
After thing liquid shows consideration for conjunction, solidify conducting polymer, then, work mold is separated with flexible parent metal to get with conductive structure
Flexible parent metal.
8. method as claimed in claim 6, which is characterized in that the actual conditions of the electrowetting are as follows: soft with PDMS in scraper
Apply electric field, voltage 100V-500V between mold.
9. the high-performance flexible electric heating film of the described in any item method preparations of claim 1-8.
10. high-performance flexible electric heating film flexibility electric heating film as claimed in claim 9 is in electrical appliance, power electronics, communication,
The application of the energy, aerospace field.
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| CN113421778A (en) * | 2021-06-21 | 2021-09-21 | 青岛理工大学 | Flexible micro super capacitor and manufacturing method thereof |
| CN115160626A (en) * | 2022-07-26 | 2022-10-11 | 中南大学 | Super-hydrophobic polymer material and preparation method and device thereof |
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