CN110942843A - Polymer conductive film for electric automobile, production equipment and preparation method - Google Patents
Polymer conductive film for electric automobile, production equipment and preparation method Download PDFInfo
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- CN110942843A CN110942843A CN201911014032.6A CN201911014032A CN110942843A CN 110942843 A CN110942843 A CN 110942843A CN 201911014032 A CN201911014032 A CN 201911014032A CN 110942843 A CN110942843 A CN 110942843A
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- base film
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
Abstract
The invention relates to the technical field of automobile products, in particular to a high polymer conductive film for an electric automobile, which comprises a base film, a bottom coating, a conductive layer and a protective coating, wherein the bottom coating is sprayed on the top of the base film, the conductive layer is sprayed on the top of the bottom coating, the protective coating is sprayed on the top of the conductive layer, and the base film is composed of one or more of polyethylene, polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polyimide, polyamideimide, polyether sulfone, polyether ether ketone, polycarbonate, polyarylate, cellulose propionate and polyvinyl chloride. The invention prepares the conductive film on the glass by the modes of vacuum magnetron sputtering and ultrasonic high-temperature vaporization, has simple production equipment structure and low cost, can realize automatic control, and has simple and convenient operation, and the prepared conductive film has uniform structure and stable performance.
Description
Technical Field
The invention relates to the technical field of automobile articles, in particular to a high-molecular conductive film for an electric automobile, production equipment and a preparation method.
Background
The conductive film is a thin film having a conductive function, and charged carriers of the conductive thin film are scattered by a surface and an interface during transport, and when the thickness of the thin film is comparable to the free path of electrons, the influence on the surface and the interface becomes significant, which is referred to as a size effect of the thin film, which is equivalent to a reduction in the free path of carriers, and thus the conductivity of the thin film is small compared to a bulk of the same material.
The conductive film can be applied to a touch panel, a rearview mirror and a rear windshield of an electric automobile, but the existing conductive film production equipment has the defects of complex structure, high cost, troublesome operation and use and poor performance of the manufactured product.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides a high-molecular conductive film for an electric automobile, production equipment and a preparation method.
(II) technical scheme
In order to realize the technical problem, the technical scheme provided by the invention is as follows:
a high-molecular conductive film for an electric automobile comprises a base film, a bottom coating, a conductive layer and a protective coating, wherein the bottom coating is sprayed on the top of the base film, the conductive layer is sprayed on the top of the bottom coating, and the protective coating is sprayed on the top of the conductive layer.
Further, the base film is composed of one or more of polyethylene, polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polyimide, polyamideimide, polyethersulfone, polyetheretherketone, polycarbonate, polyarylate, cellulose propionate, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyetherimide, polyphenylene sulfide, polyphenylene oxide, and polystyrene.
Further, the thickness of the base film is 50 to 300 μm.
The utility model provides a production facility of polymer conducting film for electric automobile, includes conveyer belt, vacuum sputtering coating machine, imprinter, solution tank, force pump, heater, connecting pipe, backup pad, atomizer and flush coater, the head end at the conveyer belt top is established to the vacuum sputtering coating machine frame, the middle part at the conveyer belt top is established to the imprinter frame, the tail end at the conveyer belt top is established to the flush coater frame.
The utility model discloses a sprayer, including solution jar, pressure pump, heater, connecting pipe, backup pad, atomizer fixed connection, solution jar fixed connection is at the top of flush coater, the fixed intercommunication of pressure pump is in one side at the solution jar top, the fixed opposite side that communicates at the solution jar top of heater, the fixed bottom that communicates at the solution jar of connecting pipe, backup pad fixed connection is between the organism of flush coater, atomizer fixed connection is in the bottom of connecting pipe, and atomizer's top and the bottom intercommunication of connecting pipe.
Further, the middle part inside the solution tank is fixedly connected with an ultrasonic system, the side surface of the spraying machine is fixedly connected with a solution concentration detection system, and glass is placed at the head end of the top of the conveyor belt.
In addition, the pressure pump is also connected with a pressure control monitoring system for monitoring and controlling the output pressure of the pressure pump so as to control the spraying speed of the solution, the heater is also connected with a temperature control monitoring system for monitoring and controlling the heating temperature of the heater so as to keep the solution at a preset vaporization temperature, and the solution concentration detection system is used for monitoring and controlling the concentration and the pH value of the solution.
A preparation method of a polymer conductive film for an electric automobile comprises the following steps:
attaching a base film and a bottom coating on the surface of glass by a vacuum magnetron sputtering method; step two, attaching a conductive layer on the bottom coating by adopting an imprinting method; thirdly, spraying a protective coating on the conductive layer by adopting a spraying method; wherein:
in the first step, the glass for electric automobile to which the conductive film is to be attached is placed on a conveyor belt, the conveyor belt conveys the glass to the inside of a vacuum sputtering coater, a base film is coated by a vacuum magnetron sputtering method, the base film is left to stand for 1 to 5 minutes after being produced, then the base film can be subjected to a surface treatment by using an argon, oxygen or carbon dioxide plasma treatment so as to improve coating property and adhesiveness, and finally a primer layer is attached to the surface of the base film, the primer layer is attached to the base film so as to improve coating property and adhesiveness, and different structures can be provided in a conductive region and a non-conductive region of the conductive layer.
And in the second step, a stamping machine stamps grid grooves on the bottom coating, conductive materials are filled in the grid grooves to form mutually crossed conductive wires, the mutually crossed conductive wires form a conductive layer, and the conductive materials are one or more of silver, copper, conductive polymers and ITO.
And in the third step, the protective coating solution is placed in a solution tank, the solution is heated when passing through a heater, the solution is vaporized under the dual action of high temperature and ultrasonic waves emitted by an ultrasonic system, enters an atomizing nozzle under the action of air pressure of a pressure pump, and is sprayed on the surface of the conductive layer through the atomizing nozzle to form the protective coating.
Further, in the first step, a method of UV ozone treatment or ion beam treatment using a reactive gas may be used for the surface treatment of the base film.
Further, in the second step, the grid grooves are one of V-shaped, W-shaped, arc-shaped, wave-shaped, regular hexagonal grid, rhombic grid and square grid, and the depth of the grid grooves is 50 nm-200 μm.
Further, in the third step, the protective coating solution is formed of an acrylic resin, the protective coating has a thickness of 50nm to 190nm, and the protective coating may completely cover the surface of the conductive layer to prevent oxidation of the conductive layer, and may physically protect the conductive layer.
(III) advantageous effects
The invention provides a polymer conductive film for an electric automobile, production equipment and a preparation method, and the polymer conductive film has the following beneficial effects:
1. the invention focuses on improving the structure, the preparation method and the equipment of the conductive film material simultaneously, so that the performance of the material is obviously improved, the preparation steps are simplified, and the equipment is convenient to operate; according to the polymer conductive film for the electric automobile, the conductive film is prepared on the glass in a vacuum magnetron sputtering and ultrasonic high-temperature vaporization mode, the production equipment is simple in structure and low in cost, automatic control can be achieved, operation is simple and convenient, and the prepared conductive film is uniform in structure and stable in performance.
2. According to the polymer conductive film for the electric automobile, the production equipment and the preparation method, the protective coating can completely cover the surface of the conductive layer through the arrangement of the protective coating, so that the conductive layer is prevented from being oxidized, the conductive layer can be physically protected, and the service life of the conductive film is further prolonged.
Drawings
FIG. 1 is a schematic view of a conductive film according to the present invention;
FIG. 2 is a schematic view of the structure of the production apparatus of the present invention;
FIG. 3 is a schematic view of the glass structure of the present invention.
In the figure: 1. a conductive film; 101. a base film; 102. a primer layer; 103. a conductive layer; 104. a protective coating; 2. a conveyor belt; 3. a vacuum sputtering coating machine; 4. a stamping machine; 5. a solution tank; 6. a pressure pump; 7. a heater; 8. a connecting pipe; 9. a support plate; 10. an atomizing spray head; 11. an ultrasonic system; 12. a solution concentration detection system; 13. a spray coater; 14. and (3) glass.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the polymer conductive film for an electric vehicle provided in this embodiment includes a base film 101, a primer layer 102, a conductive layer 103, and a protective coating 104, wherein the primer layer 102 is sprayed on top of the base film 101, the conductive layer 103 is sprayed on top of the primer layer 102, and the protective coating 104 is sprayed on top of the conductive layer 103.
The base film 101 is composed of one or more of polyethylene, polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polyimide, polyamide imide, polyether sulfone, polyether ether ketone, polycarbonate, polyarylate, cellulose propionate, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyetherimide, polyphenylene sulfide, polyphenylene oxide and polystyrene, and the thickness of the base film 101 is 50-300 μm.
The utility model provides a production facility of polymer conducting film for electric automobile, includes conveyer belt 2, vacuum sputtering coating machine 3, imprinter 4, solution tank 5, force pump 6, heater 7, connecting pipe 8, backup pad 9, atomizer 10 and flush coater 13, and vacuum sputtering coating machine 3 erects the head end at conveyer belt 2 top, and imprinter 4 erects the middle part at conveyer belt 2 top, and flush coater 13 erects the tail end at conveyer belt 2 top.
The middle part of the inside of the solution tank 5 is fixedly connected with an ultrasonic system 11, the side surface of the spraying machine 13 is fixedly connected with a solution concentration detection system 12, and the head end of the top of the conveyor belt 2 is provided with glass 14.
In addition, the pressure pump 6 is also connected with a pressure control monitoring system for monitoring and controlling the output pressure of the pressure pump 6 so as to control the spraying speed of the solution, the heater 7 is also connected with a temperature control monitoring system for monitoring and controlling the heating temperature of the heater 7 so as to keep the solution at a preset vaporization temperature, and the solution concentration detection system 12 is used for monitoring and controlling the concentration and the pH value of the solution.
A preparation method of a polymer conductive film for an electric automobile comprises the following steps:
attaching a base film and a bottom coating on the surface of glass by a vacuum magnetron sputtering method; step two, attaching a conductive layer on the bottom coating by adopting an imprinting method; thirdly, spraying a protective coating on the conductive layer by adopting a spraying method; wherein:
in the first step, the glass for electric automobile to which the conductive film is to be attached is placed on a conveyor belt, the conveyor belt conveys the glass to the inside of a vacuum sputtering coater, a base film is coated by a vacuum magnetron sputtering method, the base film is left to stand for 1 to 5 minutes after being produced, then the base film can be subjected to a surface treatment by using an argon, oxygen or carbon dioxide plasma treatment so as to improve coating properties and adhesiveness, a method of UV ozone treatment or ion beam treatment using a reactive gas can also be used for the surface treatment of the base film, and finally a primer layer is attached to the surface of the base film, the primer layer is attached to the base film so as to improve coating properties and adhesiveness, and different structures can be provided in a conductive region and a non-conductive region of the conductive layer.
In the second step, a grid groove is stamped on the bottom coating by a stamping machine, the grid groove is one of a V-shaped grid, a W-shaped grid, an arc-shaped grid, a wave-shaped grid, a regular hexagonal grid, a rhombic grid and a square grid, the depth of the grid groove is 50 nm-200 mu m, conductive materials are filled in the grid groove to form mutually crossed conductive threads, the mutually crossed conductive threads form a conductive layer, and the conductive materials are one or more of silver, copper, conductive polymers and ITO.
And in the third step, the protective coating solution is placed in a solution tank, the protective coating solution is formed by acrylic resin, the solution is heated when passing through a heater, the solution is vaporized under the dual action of high temperature and ultrasonic waves emitted by an ultrasonic system, enters an atomizing nozzle under the action of pressure of a pressure pump, and is sprayed on the surface of the conductive layer through the atomizing nozzle to form the protective coating, the thickness of the protective coating is 50 nm-190 nm, and the protective coating can completely cover the surface of the conductive layer to prevent the conductive layer from being oxidized and physically protect the conductive layer.
The thickness of the base film 101 is 50 μm to 300 μm to maintain the mechanical strength of the conductive film, the mechanical strength may be insufficient when the thickness of the base film 101 is less than 50 μm, the cost of materials may increase and the formation of a thin film may be difficult when the thickness of the base film 101 exceeds 300 μm.
The conductive layer 103 may have a thickness of 50nm to 200nm, when the thickness of the conductive layer 103 is less than 50nm, the conductivity may be poor, and when the thickness of the conductive layer 103 exceeds 200nm, the raw material cost may increase and the yield may decrease.
The conductive layer 103 may be divided into a conductive region and a non-conductive region, that is, the non-conductive region may be formed by removing a conductor filled in the mesh groove from a portion of the undercoat layer 102.
The protective coating 104 may have a thickness of 50nm to 190nm, when the thickness of the protective coating 104 is less than 50nm, the effect of the conductor filled in the grid grooves on the protection against oxidation may be insufficient, and when the thickness of the protective coating 104 exceeds 190nm, the electrical connection to the conductive region may be poor during the formation of a wire or electrode for connecting the conductive region to an external component.
By this method, the manufacturing process can be further simplified, and the protective coating layer 104 can be formed under a nitrogen-purged atmosphere to prevent oxidation of the conductive layer 103 and ensure durability.
The invention focuses on improving the structure, the preparation method and the equipment of the conductive film material simultaneously, so that the performance of the material is obviously improved, the preparation steps are simplified, and the equipment is convenient to operate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A polymer conductive film for an electric vehicle, comprising a base film (101), an undercoat layer (102), a conductive layer (103), and a protective coating layer (104), characterized in that: the base coat (102) is sprayed on top of the base film (101), the conductive layer (103) is sprayed on top of the base coat (102), and the protective coat (104) is sprayed on top of the conductive layer (103).
2. The polymer conductive film for electric vehicles according to claim 1, wherein: the base film (101) is composed of one or more of polyethylene, polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polyimide, polyamideimide, polyethersulfone, polyetheretherketone, polycarbonate, polyarylate, cellulose propionate, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyetherimide, polyphenylene sulfide, polyphenylene oxide, and polystyrene.
3. The polymer conductive film for electric vehicles according to claim 1, wherein: the thickness of the base film (101) is 50-300 mu m.
4. The utility model provides a production facility of polymer conducting film for electric automobile, includes conveyer belt (2), vacuum sputtering coating machine (3), imprinter (4), solution tank (5), force pump (6), heater (7), connecting pipe (8), backup pad (9), atomizer (10) and flush coater (13), its characterized in that: the vacuum sputtering coating machine (3) is erected at the head end of the top of the conveyor belt (2), the stamping machine (4) is erected in the middle of the top of the conveyor belt (2), and the spraying machine (13) is erected at the tail end of the top of the conveyor belt (2);
solution jar (5) fixed connection is at the top of flush coater (13), one side at solution jar (5) top is connected in fixed intercommunication in force pump (6), the opposite side at solution jar (5) top is connected in fixed intercommunication in heater (7), the bottom at solution jar (5) is connected in fixed intercommunication in connecting pipe (8), backup pad (9) fixed connection is between the organism of flush coater (13), atomizer (10) fixed connection is in the bottom of connecting pipe (8), and the top of atomizer (10) and the bottom intercommunication of connecting pipe (8).
5. The apparatus for producing a polymer conductive film for an electric vehicle according to claim 4, wherein: the middle part of the inside of the solution tank (5) is fixedly connected with an ultrasonic system (11), the side surface of the spraying machine (13) is fixedly connected with a solution concentration detection system (12), and glass (14) is placed at the head end of the top of the conveyor belt (2).
6. The preparation method of the polymer conductive film for the electric automobile is characterized by comprising the following steps of:
attaching a base film and a bottom coating on the surface of glass by a vacuum magnetron sputtering method; step two, attaching a conductive layer on the bottom coating by adopting an imprinting method; thirdly, spraying a protective coating on the conductive layer by adopting a spraying method; wherein:
in the first step, the glass for electric automobile needing to be attached with the conductive film is placed on a conveyor belt, the conveyor belt conveys the glass to the inside of a vacuum sputtering film coating machine, a base film is coated by adopting a vacuum magnetron sputtering method, the base film is kept still for 1-5 minutes after being generated, then the base film can be subjected to surface treatment by using argon, oxygen or carbon dioxide plasma treatment so as to improve coating performance and adhesiveness, finally, a base coating layer is attached to the surface of the base film, the base coating layer is attached to the base film so as to improve coating performance and adhesiveness, and different structures can be formed in a conductive region and a non-conductive region of the conductive layer;
in the second step, a grid groove is stamped on the bottom coating by a stamping machine, conductive materials are filled in the grid groove to form mutually crossed conductive wires, the mutually crossed conductive wires form a conductive layer, and the conductive materials are one or more of silver, copper, conductive polymers and ITO;
and in the third step, the protective coating solution is placed in a solution tank, the solution is heated when passing through a heater, the solution is vaporized under the dual action of high temperature and ultrasonic waves emitted by an ultrasonic system, enters an atomizing nozzle under the action of air pressure of a pressure pump, and is sprayed on the surface of the conductive layer through the atomizing nozzle to form the protective coating.
7. The method for producing a polymer conductive film for an electric vehicle according to claim 6, wherein: in the first step, a method of UV ozone treatment or ion beam treatment using a reactive gas may be used for the surface treatment of the base film.
8. The method for producing a polymer conductive film for an electric vehicle according to claim 6, wherein: in the second step, the grid grooves are one of V-shaped, W-shaped, arc-shaped, wave-shaped, regular hexagonal grid, rhombic grid and square grid, and the depth of the grid grooves is 50 nm-200 mu m.
9. The method for producing a polymer conductive film for an electric vehicle according to claim 6, wherein: in the third step, the protective coating solution is formed by acrylic resin, and the thickness of the protective coating is 50 nm-190 nm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911014032.6A CN110942843A (en) | 2019-10-23 | 2019-10-23 | Polymer conductive film for electric automobile, production equipment and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911014032.6A CN110942843A (en) | 2019-10-23 | 2019-10-23 | Polymer conductive film for electric automobile, production equipment and preparation method |
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| CN102574388A (en) * | 2009-11-11 | 2012-07-11 | 东丽株式会社 | Electroconductive laminate and process for production thereof |
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| CN104979037A (en) * | 2015-05-14 | 2015-10-14 | 上海电力学院 | Transparent conducting thin film with enhanced thermal stability and preparation method and application thereof |
| CN105161220A (en) * | 2015-10-09 | 2015-12-16 | 重庆文理学院 | Preparation method of high-temperature-resistant silver conductive film |
| JP2016091599A (en) * | 2014-10-29 | 2016-05-23 | 三菱マテリアル株式会社 | Transparent conductive film and manufacturing method of transparent conductive body having transparent conductive film |
| CN108877987A (en) * | 2018-05-31 | 2018-11-23 | 江苏大学 | ZnO compound transparent electricity conductive film based on flexible substrate and preparation method thereof |
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2019
- 2019-10-23 CN CN201911014032.6A patent/CN110942843A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102574388A (en) * | 2009-11-11 | 2012-07-11 | 东丽株式会社 | Electroconductive laminate and process for production thereof |
| JP2016091599A (en) * | 2014-10-29 | 2016-05-23 | 三菱マテリアル株式会社 | Transparent conductive film and manufacturing method of transparent conductive body having transparent conductive film |
| CN104867540A (en) * | 2015-04-16 | 2015-08-26 | 浙江科创新材料科技有限公司 | Low-haze transparent conductive film and preparation method thereof |
| CN104979037A (en) * | 2015-05-14 | 2015-10-14 | 上海电力学院 | Transparent conducting thin film with enhanced thermal stability and preparation method and application thereof |
| CN105161220A (en) * | 2015-10-09 | 2015-12-16 | 重庆文理学院 | Preparation method of high-temperature-resistant silver conductive film |
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Application publication date: 20200331 |