CN111244264B - PVDF film roll-to-roll composite polarization device and method - Google Patents
PVDF film roll-to-roll composite polarization device and method Download PDFInfo
- Publication number
- CN111244264B CN111244264B CN202010044037.XA CN202010044037A CN111244264B CN 111244264 B CN111244264 B CN 111244264B CN 202010044037 A CN202010044037 A CN 202010044037A CN 111244264 B CN111244264 B CN 111244264B
- Authority
- CN
- China
- Prior art keywords
- polarization
- film
- unit
- roll
- pvdf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
- H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Polarising Elements (AREA)
Abstract
The application discloses a PVDF film roll-to-roll composite polarization device and method, including relative unwinding unit and the rolling unit that sets up, be provided with first polarization mechanism, second polarization mechanism and guiding mechanism between unwinding unit and the rolling unit, unwinding unit is used for releasing the film, guiding mechanism adjusts the film trend and makes the film pass through first polarization mechanism and/or second polarization mechanism, first polarization mechanism and second polarization mechanism are used for carrying out first polarization treatment and second polarization treatment to the film of process respectively, the rolling unit is used for the rolling through the film after the polarization, realizes four kinds of composite polarization process flows such as corona polarization, plasma behind the corona, first plasma behind the corona; the polarization can be carried out in the atmosphere environment or in the protective atmosphere such as nitrogen, the process flexibility can be obviously improved, and different process condition combinations can be used to the maximum extent.
Description
Technical Field
The application relates to a PVDF film roll-to-roll composite polarization device and a method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Polyvinylidene fluoride (PVDF) has special performances such as piezoelectricity, dielectricity and pyroelectricity, polarization is a key process for preparing PVDF piezoelectric materials, the PVDF piezoelectric materials can obviously improve various characteristics such as piezoelectricity and ferroelectricity of films, unpolarized PVDF films almost have no piezoelectricity, and the films need to be subjected to piezoelectric treatment.
The inventors found that for some existing polarization approaches: for example, chinese patent CN 109037432A discloses a temperature-variable polarization device and method for piezoelectric element, the device comprising: the control assembly comprises a pressurizing unit and a control unit, and the pressurizing unit is electrically connected with the control unit; the polarization tank is used for containing silicone oil; the polarization assembly comprises a fixed seat and a movable assembly connected with the fixed seat; chinese patent CN 110244242A discloses a phase delay-based alkali metal atom spin polarization regulation and control device and method, which comprises a laser, a liquid crystal phase retarder, a linear polarizer, a half wave plate and a polarization spectroscope which are arranged along the laser emergent direction, wherein the linear polarization laser is divided into a main beam A and a reference beam B by the polarization spectroscope, a beam expanding lens, a quarter wave plate, an alkali metal atom air chamber and a first photoelectric detector are arranged along the light path of the main beam A, an optical attenuation sheet and a second photoelectric detector are arranged along the light path of the reference beam B, and driving power supplies of the two photoelectric detectors and the liquid crystal phase retarder are connected with a data processing server;
the polarization devices are used for singly polarizing materials, and a composite polarization mode is not adopted for the materials, and in addition, the adjustment of different types of polarization sequences in the composite polarization process is difficult to realize; on the other hand, the current process of the material is intermittent polarization, a continuous polarization process cannot be formed, particularly for thin film materials, the intermittent polarization process not only reduces the polarization efficiency, but also causes the problem of uneven different polarization operations, and the required products with special performances such as piezoelectricity, dielectricity and thermoelectricity are difficult to obtain.
Disclosure of Invention
The application aims at overcoming the defects in the prior art, and provides a PVDF film roll-to-roll composite polarization device and a PVDF film roll-to-roll composite polarization method, which are used for realizing four composite polarization process flows of corona polarization (corona), plasma polarization (pl asma), corona-first-then-plasma, plasma-first-then-corona and the like; the polarization can be carried out in the atmosphere environment or in the protective atmosphere such as nitrogen, the process flexibility can be obviously improved, and different process condition combinations can be used to the maximum extent.
The first purpose of this application is to provide a PVDF film roll-to-roll composite polarization device, adopts the following technical scheme:
unreel unit and rolling unit including relative setting, it is provided with first polarization mechanism, second polarization mechanism and guiding mechanism to unreel between unit and the rolling unit, it is used for releasing the film to unreel the unit, guiding mechanism adjusts the film trend and makes the film pass through first polarization mechanism and/or second polarization mechanism, first polarization mechanism and second polarization mechanism are used for carrying out first polarization processing and second polarization processing to the film of process respectively, the rolling unit is used for the rolling film after the polarization.
Further, the guide mechanism comprises a plurality of guide wheels, the guide wheels are used for matching with the supporting film, and the sequence of the polarization treatment of the film is changed by adjusting the matching sequence of the film and the guide wheels.
Furthermore, the guide mechanism comprises a deviation rectifying unit, and the deviation rectifying unit is positioned between the guide wheel and the unwinding unit and is used for matching the film and controlling the direction of the film when the film is released from the unwinding unit.
Furthermore, a protection film unit is arranged between the guide mechanism and the winding unit and used for leading in the polarized film and outputting the polarized film to the winding unit after the film is sealed with a protection film.
Furthermore, the number of the protective film units is two, and the protective films are respectively attached and sealed from two sides of the film and are pressed and attached.
Further, first polarization mechanism includes corona treatment machine and first running roller, form the first polarization district that supplies the film to pass through between corona treatment machine's effect end and the running roller, first polarization district is used for doing first polarization to the film of process and handles.
Furthermore, the second polarization mechanism comprises a plasma processor and a second roller wheel, a second polarization area for the thin film to pass through is formed between the action end of the plasma processor and the roller wheel, and the second polarization area is used for carrying out second polarization processing on the passing thin film.
Furthermore, the first polarization mechanism and the second polarization mechanism are respectively sleeved with a box body, and the box body is provided with an air inlet and an air outlet which are respectively used for filling protective gas into the box body and discharging the protective gas in the box body.
The second purpose of the present application is to provide a PVDF film roll-to-roll composite polarization method, which adopts the following technical scheme:
the method comprises the following steps:
the unwinding unit releases a film to be polarized;
adjusting the moving path of the film through a guide device to enable the film to pass through a polarization area;
the polarization mechanism carries out polarization treatment on the film to be polarized;
sealing and sticking a protective film to the polarized film by using a protective film unit, and pressing and sticking the film;
and the film with the protective film sealed is sent to a rolling unit to be rolled.
Furthermore, a plurality of polarization areas are provided, and different polarization treatments are respectively carried out on the passing thin films;
the guide means adjusts the moving path of the thin film, thereby adjusting the polarization type and/or polarization order of the thin film.
Compared with the prior art, the application has the advantages and positive effects that:
the PVDF film is polarized by a roll-to-roll method, so that the efficiency is high, the cost is low, and the large-area polarization is suitable; based on the roll-to-roll continuous composite polarization device, four composite process flows of corona polarization, plasma polarization (corona first and then plasma, plasma first and then corona) and the like can be realized at the same time, polarization can be carried out in the atmospheric environment and the protective atmosphere of nitrogen and the like, the process flexibility can be obviously improved, and different process condition combinations can be used to the maximum extent.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic diagram of a polarization apparatus only performing a corona polarization process in examples 1 and 2 of the present application;
FIG. 2 is a schematic diagram of the polarization apparatus of examples 1 and 2 of the present application performing only plasma polarization process;
FIG. 3 is a schematic diagram of a polarization apparatus according to embodiments 1 and 2 of the present application, which is corona-polarized and then plasma-polarized;
FIG. 4 is a schematic diagram of the polarization device of examples 1 and 2 of the present application, in which plasma polarization is performed first and then corona polarization is performed.
Wherein: 1-a frame; 2, an unwinding unit; 3-a deviation rectifying unit; 4-a guide wheel; 5-PVDF film; 6-a protective gas tank body; 7-a shielding gas inlet; 8-a protective gas outlet; 9-a corona treatment machine; 10-corona treatment of the roller; 11-a plasma processor; 12-plasma treatment roller; 13-protective film unwinding unit; 14-protective film laminating press roller; 15-protective film; 16-a winding unit.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate that the directions of movement are consistent with those of the figures themselves, and are not limiting in structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting in this application.
As introduced in the background art, the polarization devices in the prior art all perform single polarization on materials, and do not perform composite polarization on the materials, and in addition, adjustment of different types of polarization sequences in the composite polarization process is difficult to achieve; on the other hand, the process of the material is intermittent polarization at present, a continuous polarization process cannot be formed, particularly for thin film materials, the intermittent polarization process not only reduces the polarization efficiency, but also causes the problem of uneven different polarization operations, and the required products with special performances such as piezoelectricity, dielectricity and thermoelectricity are difficult to obtain.
Example 1
In an exemplary embodiment of the present application, as shown in fig. 1-4, a PVDF film roll-to-roll composite polarizer is proposed.
The polarizing device comprises a rack 1, the rack supports components in a polarizing process, specifically, an unreeling unit 2 and a reeling unit 16 which are oppositely arranged are mounted on the rack, a first polarizing mechanism, a second polarizing mechanism and a guide mechanism are arranged between the unreeling unit and the reeling unit, the unreeling unit is used for releasing a film, the guide mechanism is used for adjusting the trend of the film and enabling the film to pass through the first polarizing mechanism and/or the second polarizing mechanism, the first polarizing mechanism and the second polarizing mechanism are respectively used for carrying out first polarizing treatment and second polarizing treatment on the passed film, and the reeling unit is used for reeling the polarized film;
of course, it can be understood that there may be more polarization mechanisms, so as to increase the processing flow of film polarization, and only need to configure the corresponding polarization mechanism according to the requirement and install the polarization mechanism on the rack.
The guide mechanism comprises a plurality of guide wheels 4, the guide wheels are used for supporting the thin film in a matching mode, and the order of polarization treatment of the thin film is changed by adjusting the matching order of the thin film and the guide wheels;
the guide mechanism comprises a deviation rectifying unit 3, and the deviation rectifying unit is located between the guide wheel and the unwinding unit and used for matching the film and controlling the direction of the film when the film is released from the unwinding unit.
The arrangement mode of the guide wheels is not fixed, and after the movement paths of the films are configured according to the type and the sequence of the polarization mode, the guide wheels are used for guiding the films to enable the films to move and feed according to the configured movement paths, so that when the guide wheels are configured, the number of the guide wheels can be increased or reduced according to requirements;
of course, it can be understood that, in this embodiment, since the polarization modes are four, that is, single corona polarization (corona), single plasma polarization (p l asma), first corona and then plasma, and first plasma and then corona, the four polarization modes can all configure corresponding motion paths, that is, the arrangement position of the guide wheel on each path can be determined, and then only the film needs to be adjusted to be matched with the guide wheel on the path corresponding to the required processing mode according to the type of the required polarization, so that the complexity of disassembling and assembling the guide wheel is solved, and the switching of different polarization modes can be realized.
It should be noted that the deviation correcting unit can also adjust the position of the film in the direction perpendicular to the moving direction while controlling the direction of the film when the film is released from the unwinding unit, so that the stability of the film matched with the rear guide wheel is ensured, and the damage caused by the fact that part of the film is separated from the guide wheel in the moving process is avoided.
Furthermore, a protective film unit is arranged between the guide mechanism and the winding unit and used for leading in the polarized film and sealing the film with a protective film and then outputting the film to the winding unit; the protective film units are two in number and are respectively sealed with protective films from two sides of the film and tightly pressed and attached.
Specifically, as shown in the figure, the protection film unit include that the protection film unreels unit 13 and protection film laminating compression roller 14, the protection film unreels unit release protection film 15, and two protection film laminating compression rollers form the extrusion passageway, squeeze the laminating with the protection film and the film here together, and the protection film is along with attached on the film, and the motion of film drives the protection film and unreels the unit and constantly release the protection film to continuous two sides to the film are sealed.
Further, the first polarization mechanism comprises a corona treatment machine 9 and a first roller, a first polarization area for the thin film to pass through is formed between the action end of the corona treatment machine and the roller, and the first polarization area is used for carrying out first polarization treatment on the passing thin film; the first roller is a corona treatment roller 10;
the second polarization mechanism comprises a plasma processor 11 and a second roller, a second polarization area for the thin film to pass through is formed between the action end of the plasma processor and the roller, and the second polarization area is used for carrying out second polarization treatment on the passing thin film; the second roller is a plasma treatment roller 12;
the first polarization mechanism and the second polarization mechanism are respectively sleeved with a shielding gas box body 6, and the box bodies are provided with a shielding gas inlet 7 and a shielding gas outlet 8 which are respectively used for filling shielding gas into the box bodies and discharging the shielding gas in the box bodies.
In the structure, the polarization unit is the core of the system and consists of two modules of corona polarization and plasma polarization, and each module can be polarized in the atmospheric environment or in the protective atmosphere such as nitrogen and the like;
only starting the corona polarization module can achieve the corona polarization function. The movement speed of the PVDF film 5 is 0.05-1 m/min, the electric field intensity range adopted by corona polarization is 80-250MV/m, and the polarization temperature range is 70-120 ℃;
only starting the plasma polarization module can realize the plasma polarization function. The PVDF film movement speed is 0.1-2 m/min, the electric field intensity range adopted by plasma polarization is 50-200MV/m, and the polarization temperature range is 60-110 ℃;
and the corona polarization module and the plasma polarization module are started simultaneously, so that the composite polarization process flows of firstly corona and then plasma, firstly plasma and then corona and the like can be realized. The PVDF film moving speed is 0.05-05 m/min; the electric field intensity range adopted by corona polarization is 80-250MV/m, and the polarization temperature range is 70-120 ℃; the electric field intensity range adopted by plasma polarization is 50-200MV/m, and the polarization temperature range is 60-110 ℃.
The PVDF film is polarized by a roll-to-roll method, so that the efficiency is high, the cost is low, and the large-area polarization is suitable; based on the roll-to-roll continuous composite polarization device, four composite process flows of corona polarization, plasma polarization (corona first and then plasma, plasma first and then corona) and the like can be realized at the same time, polarization can be carried out in the atmospheric environment and the protective atmosphere of nitrogen and the like, the process flexibility can be obviously improved, and different process condition combinations can be used to the maximum extent.
Example 2
In another exemplary embodiment of the present application, a PVDF film roll-to-roll compound polarization method is also provided.
The method comprises the following steps:
the unwinding unit releases a film to be polarized;
adjusting the moving path of the film through a guide device to enable the film to pass through a polarization area;
the polarization mechanism carries out polarization treatment on the film to be polarized;
sealing and pasting a protective film on the polarized film by using a protective film unit, and pressing and pasting;
and the film with the protective film sealed is sent to a rolling unit to be rolled.
Specifically, for different polarization processes, a plurality of polarization regions are configured, and different polarization treatments are respectively carried out on the passing thin film; the guide means adjusts the moving path of the thin film, thereby adjusting the polarization type and/or the polarization order of the thin film.
The flexible PVDF film roll-to-roll corona polarization process flow is shown in figure 1, and specifically comprises the following steps: firstly, the PVDF film 5 is released through the unreeling unit 2, and the PVDF film 5 is adjusted to the middle position of the guide wheel 4 under the action of the deviation rectifying unit 3; then the PVDF film 5 enters a protective gas box 6, a corona polarizer 9 realizes polarization treatment through electrode discharge, a corona treatment roller 10 provides the heating function of the PVDF film 5, and when a protective gas inlet 7 and an outlet 8 are opened and protective gas is not introduced (generally nitrogen), the corona polarization treatment is carried out in the atmospheric environment; when the protective gas (generally nitrogen) is continuously introduced into the protective gas inlet 7, the protective gas box 6 is ensured to be filled with the nitrogen, and corona polarization treatment is carried out in the protective gas environment such as nitrogen; after the corona polarization treatment is completed, the PVDF film 5 enters the protective film unit, the protective film unreeling unit 13 releases the protective film 15 (PE, PP, etc.), the protective films are pasted and sealed on the two sides of the PVDF film 5 under the action of the protective film pasting compression roller 14, and the winding unit 16 completes winding. In the flexible PVDF film roll-to-roll corona polarization process, the movement speed of the PVDF film is 0.05-1 m/min, the electric field intensity range adopted by corona polarization is 80-250MV/m, and the polarization temperature range is 70-120 ℃.
The process flow of the flexible PVDF film roll-to-roll plasma polarization process is shown in FIG. 2, and comprises the following steps: firstly, the PVDF film 5 is released through the unreeling unit 2, and the PVDF film 5 is adjusted to the middle position of the guide wheel 4 under the action of the deviation rectifying unit 3; then the PVDF film 5 enters a protective gas box body 6, a plasma polarizer 11 realizes polarization treatment through plasma, a plasma treatment roller 12 provides the heating function of the PVDF film 5, and when a protective gas inlet 7 and an outlet 8 are opened and protective gas is not introduced (generally nitrogen), plasma polarization treatment is carried out in the atmospheric environment; when the protective gas (generally nitrogen) is continuously introduced into the protective gas inlet 7, the protective gas box 6 is ensured to be filled with nitrogen, and plasma polarization treatment is carried out in the protective gas environment such as nitrogen; after the plasma polarization treatment is completed, the PVDF film 5 enters the protective film unit, the protective film unreeling unit 13 releases the protective film 15 (PE, PP, etc.), and the protective films are pasted and sealed on the two sides of the PVDF film 5 under the action of the protective film pasting compression roller 14, and the winding unit 16 completes winding. In the roll-to-roll plasma polarization process of the flexible PVDF film, the moving speed of the PVDF film is 0.1-2 m/min, the electric field intensity range adopted by plasma polarization is 50-200MV/m, and the polarization temperature range is 60-110 ℃.
The flexible PVDF film roll-to-roll corona-then-plasma process flow is shown in fig. 3, and specifically includes the following steps: the PVDF film 5 is released through the unreeling unit 2, and under the action of the deviation rectifying unit 3, the PVDF film 5 is adjusted to the middle position of the guide wheel 4; then the PVDF film 5 enters a protective gas box 6, a corona polarizer 9 and a plasma polarizer 11 are sequentially subjected to corona and plasma polarization treatment, a corona treatment roller 10 and a plasma treatment roller 12 provide the heating function of the PVDF film 5, and when a protective gas inlet 7 and an outlet 8 are opened and protective gas is not introduced (generally nitrogen), corona and plasma polarization treatment is carried out in the atmospheric environment; when the protective gas (generally nitrogen) is continuously introduced into the protective gas inlet 7, the protective gas box 6 is ensured to be filled with nitrogen, and corona and plasma polarization treatment is carried out in the protective gas environment such as nitrogen; after the corona and plasma composite polarization treatment is completed, the PVDF film 5 enters the protective film unit, the protective film unreeling unit 13 releases the protective films 15 (PE, PP and the like), the protective films are pasted and sealed on the two sides of the PVDF film 5 under the action of the protective film pasting compression roller 14, and the winding unit 16 finishes winding. By the combination of two different processes, corona and plasma polarization, an innovative polarization treatment method can be obtained. In the flexible PVDF film roll-to-roll corona-then-plasma process, the movement speed of the PVDF film is 0.05-05 m/min; the electric field intensity range adopted by corona polarization is 80-250MV/m, and the polarization temperature range is 70-120 ℃; the electric field intensity range adopted by plasma polarization is 50-200MV/m, and the polarization temperature range is 60-110 ℃.
The process flow of the flexible PVDF film roll-to-roll plasma-first corona-then-corona process is shown in fig. 4, and specifically includes the following steps: the PVDF film 5 is released through the unreeling unit 2, and the PVDF film 5 is adjusted to the middle position of the guide wheel 4 under the action of the deviation rectifying unit 3; then the PVDF film 5 enters a protective gas box 6, a plasma polarizer 11 and a corona polarizer 9 sequentially carry out plasma and corona polarization treatment, a plasma treatment roller 12 and a corona treatment roller 10 provide the heating function of the PVDF film 5, and when a protective gas inlet 7 and an outlet 8 are opened and protective gas is not introduced (generally nitrogen), plasma and corona polarization treatment is carried out in the atmospheric environment; when the protective gas (generally nitrogen) is continuously introduced into the protective gas inlet 7, the protective gas box 6 is ensured to be filled with nitrogen, and plasma and corona polarization treatment are carried out in the protective gas environment such as nitrogen; after the plasma and corona composite polarization treatment is completed, the PVDF film 5 enters the protective film unit, the protective film unreeling unit 13 releases the protective films 15 (PE, PP and the like), the protective films are pasted and sealed on the two sides of the PVDF film 5 under the action of the protective film pasting compression roller 14, and the winding unit 16 finishes winding. In the flexible PVDF film roll-to-roll plasma-to-corona process, the movement speed of the PVDF film is 0.05-05 m/min; the electric field intensity range adopted by the plasma polarization is 50-200MV/m, and the polarization temperature range is 60-110 ℃; the electric field intensity range adopted by corona polarization is 80-250MV/m, and the polarization temperature range is 70-120 ℃.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The PVDF film roll-to-roll composite polarization device is characterized by comprising an unreeling unit and a reeling unit which are oppositely arranged, wherein a first polarization mechanism, a second polarization mechanism and a guide mechanism are arranged between the unreeling unit and the reeling unit, the unreeling unit is used for releasing a film, the guide mechanism is used for adjusting the trend of the film and enabling the film to pass through the first polarization mechanism and/or the second polarization mechanism, the guide mechanism comprises a plurality of guide wheels, the guide wheels are used for supporting the film in a matching way and configuring the motion path of the film according to the type and sequence of the polarization mode, and the sequence of the polarization processing of the film is changed by adjusting the matching sequence of the film and the plurality of guide wheels so that the film moves and feeds according to the configured motion path;
the first polarization mechanism and the second polarization mechanism are respectively used for carrying out first polarization treatment and second polarization treatment on a passing film, the first polarization mechanism comprises a corona treatment machine and a first roller wheel, a first polarization area for the film to pass through is formed between the action end of the corona treatment machine and the roller wheel, and the first polarization area is used for carrying out first polarization treatment on the passing film; the second polarization mechanism comprises a plasma processor and a second roller wheel, a second polarization area for the film to pass through is formed between the action end of the plasma processor and the roller wheel, and the second polarization area is used for carrying out second polarization processing on the passing film; the winding unit is used for winding the polarized film.
2. The PVDF film roll-to-roll composite polarization device as claimed in claim 1, wherein the guiding mechanism comprises a deviation rectifying unit located between the guiding wheel and the unwinding unit for engaging the film and controlling the direction of the film when being released from the unwinding unit.
3. The PVDF film roll-to-roll composite polarization device as in claim 1, wherein a protection film unit is arranged between the guide mechanism and the rolling unit, and the protection film unit is used for leading in the polarized film, sealing the protection film on the polarized film and outputting the polarized film to the rolling unit.
4. The PVDF film roll-to-roll composite polarizer device as in claim 3, wherein there are two protective film units, and the protective film units are respectively sealed and pressed from both sides of the film.
5. The PVDF film roll-to-roll composite polarization device as defined in claim 1, wherein the first polarization mechanism and the second polarization mechanism are respectively sleeved with a box body, and the box body is provided with an air inlet and an air outlet for respectively filling the protection gas into the box body and exhausting the protection gas in the box body.
6. A PVDF film roll-to-roll composite polarization method based on the PVDF film roll-to-roll composite polarization device of any one of claims 1-5, characterized by comprising the following steps:
the unwinding unit releases a film to be polarized;
adjusting the moving path of the film through a guide device to enable the film to pass through a polarization area;
the polarization mechanism carries out polarization treatment on the film to be polarized;
sealing and pasting a protective film on the polarized film by using a protective film unit, and pressing and pasting;
and the film with the protective film sealed is sent to a winding unit to be wound.
7. The PVDF film roll-to-roll composite polarization method as defined in claim 6, wherein there are a plurality of polarization regions for performing different polarization treatments on the passing film;
the guide means adjusts the moving path of the thin film, thereby adjusting the polarization type and/or polarization order of the thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044037.XA CN111244264B (en) | 2020-01-15 | 2020-01-15 | PVDF film roll-to-roll composite polarization device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044037.XA CN111244264B (en) | 2020-01-15 | 2020-01-15 | PVDF film roll-to-roll composite polarization device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111244264A CN111244264A (en) | 2020-06-05 |
| CN111244264B true CN111244264B (en) | 2023-04-18 |
Family
ID=70869406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010044037.XA Active CN111244264B (en) | 2020-01-15 | 2020-01-15 | PVDF film roll-to-roll composite polarization device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111244264B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606509B (en) * | 2020-12-16 | 2023-06-27 | 昆山微电子技术研究院 | Self-polarization composite electret-piezoelectric film, preparation method thereof and piezoelectric film sensor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2020483A (en) * | 1978-03-21 | 1979-11-14 | Post Office | Improvements in or relating to piezoelectric materials and to apparatus and methods for producing such material |
| CN1545149A (en) * | 2003-11-17 | 2004-11-10 | 中国科学院长春应用化学研究所 | Ordered orientation device for high polymer piezoelectric material |
| CN101578717A (en) * | 2007-01-10 | 2009-11-11 | 株式会社吴羽 | Method for manufacturing polymeric piezoelectric film and polymeric piezoelectric film |
| WO2014131895A1 (en) * | 2013-02-28 | 2014-09-04 | Bayer Materialscience Ag | Method for producing a multiple-layer dielectric polyurethane film system |
| CN104347793A (en) * | 2014-08-06 | 2015-02-11 | 贝骨新材料科技（上海）有限公司 | Microporous piezoelectric electret film assembly roll-to-roll continuous polarization device and method |
| JP2015111640A (en) * | 2013-10-29 | 2015-06-18 | ダイキン工業株式会社 | Method for producing piezoelectric film |
| CN105040401A (en) * | 2015-09-09 | 2015-11-11 | 江苏创云环保科技有限公司 | Method for improving filter efficiency of melt-blowing non-woven fabric |
| CN207241167U (en) * | 2017-08-18 | 2018-04-17 | 诚德科技股份有限公司 | A kind of thinfilms device |
| WO2019064739A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社クレハ | Piezoelectric film and method of manufacturing film |
-
2020
- 2020-01-15 CN CN202010044037.XA patent/CN111244264B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2020483A (en) * | 1978-03-21 | 1979-11-14 | Post Office | Improvements in or relating to piezoelectric materials and to apparatus and methods for producing such material |
| CN1545149A (en) * | 2003-11-17 | 2004-11-10 | 中国科学院长春应用化学研究所 | Ordered orientation device for high polymer piezoelectric material |
| CN101578717A (en) * | 2007-01-10 | 2009-11-11 | 株式会社吴羽 | Method for manufacturing polymeric piezoelectric film and polymeric piezoelectric film |
| WO2014131895A1 (en) * | 2013-02-28 | 2014-09-04 | Bayer Materialscience Ag | Method for producing a multiple-layer dielectric polyurethane film system |
| JP2015111640A (en) * | 2013-10-29 | 2015-06-18 | ダイキン工業株式会社 | Method for producing piezoelectric film |
| CN104347793A (en) * | 2014-08-06 | 2015-02-11 | 贝骨新材料科技（上海）有限公司 | Microporous piezoelectric electret film assembly roll-to-roll continuous polarization device and method |
| CN105040401A (en) * | 2015-09-09 | 2015-11-11 | 江苏创云环保科技有限公司 | Method for improving filter efficiency of melt-blowing non-woven fabric |
| CN207241167U (en) * | 2017-08-18 | 2018-04-17 | 诚德科技股份有限公司 | A kind of thinfilms device |
| WO2019064739A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社クレハ | Piezoelectric film and method of manufacturing film |
Non-Patent Citations (2)
| Title |
|---|
| 0-3型压电复合材料的电晕放电极化;朱嘉林等;《电子元件与材料》(第04期);全文 * |
| 洛阳石化BOPP薄膜电晕系统探讨;焦明立等;《自动化博览》(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111244264A (en) | 2020-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5182610B2 (en) | Thin film solar cell manufacturing equipment | |
| CN111244264B (en) | PVDF film roll-to-roll composite polarization device and method | |
| US9297066B2 (en) | Method for double-side vacuum film formation and laminate obtainable by the method | |
| TWI583815B (en) | Substrate spreading device for vacuum processing apparatus, vacuum processing apparatus with substrate spreading device and method for operating same | |
| KR102001044B1 (en) | Vacuum film formation method and laminate obtained by the method | |
| EP2551373B1 (en) | Method for double-side vacuum film formation and laminate obtainable by the method | |
| US9249503B2 (en) | Method for double-side vacuum film formation and laminate obtainable by the method | |
| TWI577816B (en) | Vacuum film formation method and laminate obtained by the method | |
| JP2017506290A (en) | Roller for spreading flexible substrate, apparatus for processing flexible substrate, and method for operating them | |
| TW201500190A (en) | Apparatuses and methods to process flexible glass laminates | |
| CN105084083A (en) | Simple parallel spreading and laminating device and technology for wide ultrathin membrane | |
| JP2017507247A (en) | Apparatus and method for thin film processing applications | |
| US20220293911A1 (en) | Roll press apparatus and manufacturing method for compressed strip-shaped electrode plate | |
| JP4985209B2 (en) | Thin film solar cell manufacturing equipment | |
| JP4893235B2 (en) | Film forming apparatus and film forming method | |
| CN213182260U (en) | Vacuum adsorption roll-to-roll friction alignment device | |
| KR100965761B1 (en) | Device for the production of an electric energy storage unit by winding on a flat mandrel | |
| JP2001007367A (en) | Method and device for manufacturing film solar cell | |
| JP5169068B2 (en) | Thin film solar cell manufacturing equipment | |
| JP5023914B2 (en) | Thin film manufacturing apparatus and thin film manufacturing method | |
| JP2000299481A (en) | Manufacture of thin-film solar battery and degassing processor for solar battery substrate | |
| US20200131627A1 (en) | Heat treatment apparatus for a vacuum chamber, deposition apparatus for depositing material on a flexible substrate, method of heat treatment of a flexible substrate in a vacuum chamber, and method for processing a flexible substrate | |
| CN218465131U (en) | Online stripping off device of optical film | |
| CN116371826B (en) | Roll-to-roll vacuum plasma cleaning machine and working method thereof | |
| CN108539242B (en) | Apparatus for forming edge of lead of secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |