CN110306248A - A kind of continuous producing method and device of PVDF piezoelectric fabric - Google Patents
A kind of continuous producing method and device of PVDF piezoelectric fabric Download PDFInfo
- Publication number
- CN110306248A CN110306248A CN201910513903.2A CN201910513903A CN110306248A CN 110306248 A CN110306248 A CN 110306248A CN 201910513903 A CN201910513903 A CN 201910513903A CN 110306248 A CN110306248 A CN 110306248A
- Authority
- CN
- China
- Prior art keywords
- temperature control
- slow speed
- roller
- fibre bundle
- temperature
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- 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
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/098—Forming organic materials
Abstract
The invention discloses the continuous producing methods and device of a kind of PVDF piezoelectric fabric, the continuous production device of PVDF piezoelectric fabric includes process units, polarization device and collecting drum, polarization device is located among process units and collecting drum, for generating with transporting fibre bundle to polarization device, fibre bundle is collected after polarization device polarizes by collecting drum process units；Operation of the present invention difficulty is low, and structure is simple, small in size, light-weight, easy for installation；Polarization efficiency is fast, and yields is high, can continuous high-efficient production want polarized fiber.
Description
Technical field
The present invention relates to the Polarization techniques of a kind of technology of preparing of polymer fiber and polymer fiber, especially polymer
Polarization method of the fiber under super-pressure, belongs to intelligent fiber field of material preparation.
Background technique
Piezoelectric fabric is the functional material of a kind of mechanical energy and the mutual inversion of phases of electric energy, and piezoelectric material refers to due to static pressure
Variation or temperature change generate corresponding charge inducing variation material.The piezoelectric material studied at present is membranaceous mostly
Or it is blocky, piezoelectric fabric is as a kind of special piezoelectric material form using more and more extensive.Kynoar is as a kind of pressure
Electric material has very strong piezoelectricity and pyroelectric effect, and what is studied in piezoelectric polymeric materials at present is more
System, most widely used high polymer.With currently used Polymers Phase such as quartz, piezoelectric ceramics class it that there are also acoustic impedances is small,
Frequency response is wide, dielectric constant is small, impact resistance is strong, it is easy to process at arbitrary shape the advantages that.
With the development of science and technology, higher and higher to the performance and shape need of piezoelectricity device, piezoelectricity is just produced therewith
Fiber.In the development process of piezoelectric fabric, in order to guarantee that the performance of its piezoelectric property, polarization are essential one of works
Sequence.Polarization is to confer to the basic process of piezoelectric material piezoelectric property, compared with the materials polarization such as traditional piezoelectric patches, pressure
Electric fiber has slender structure, and original Polarization technique is not able to satisfy its polarization and requires, therefore it is raw to develop piezoelectric fabric batch
It produces and polarization process has become the necessary technology for being worth research.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention be to provide a kind of structure be simple and convenient to operate, high degree of automation,
And be able to produce provide certain fineness be suitable for polarized device.
The technical solution adopted by the present invention is that: a kind of continuous production device of PVDF piezoelectric fabric, including process units, pole
Makeup is set to be located among process units and collecting drum 12 with collecting drum 12, polarization device, and process units is for generating and conveying fibre
Tow is tieed up to polarization device, fibre bundle is collected after polarization device polarizes by collecting drum；
The process units includes hopper 1, spinning manifold 2, spinning head 3, cooling body, thermoregulative mechanism, spinning manifold 2
On be provided with hopper 1,3 feed end of spinning head is connected to the discharge end of spinning manifold 2, and the fibre bundle that spinning head 3 sprays is successively
Around cooling body and thermoregulative mechanism, polarization device is reached；
The polarization device is oil bath 9 and polarizing voltage loading unit 8, and the oil bath 9 is provided with silicone oil, oil
A double spiral electrode 10 is fixedly installed in bathing pool 9, the double spiral electrode 10 is immersed in silicone oil, and 9 bottom of oil bath is equipped with electricity
Heating device 7, for silicone oil to be heated to predetermined temperature, double spiral electrode 10 connects in polarizing voltage loading unit 8 and oil bath 9
It connects.
Further, the cooling body includes batching roller 4 at a slow speed positioned at the first Water cooling type of low level and being located at
The second high-order Water cooling type batches roller 13 at a slow speed, and cooling body is for additionally cooling fibre bundle.
Further, the thermoregulative mechanism includes the first temperature control roller 14, the second temperature control roller 5, third at a slow speed at a slow speed
Temperature control roller 15, the quick roller 16 of temperature control and temperature control drawing rollers 6 and quick drawing rollers 11 of temperature control at a slow speed at a slow speed, the first temperature
Control roller 14, the second temperature control roller 5, third temperature control roller 15, the quick roller 16 of temperature control successively high infraversion malposition at a slow speed at a slow speed at a slow speed
Arrangement；
Drawing rollers 6 and the quick drawing rollers 11 of temperature control are fixedly mounted on 10 both ends of double spiral electrode at a slow speed for temperature control, in temperature
Control at a slow speed polarizes to fibre bundle in drawing-off using rotational speed difference between drawing rollers 6 and the quick drawing rollers 11 of temperature control, drawing-off
Be conducive to the crystal transition of fibre bundle, and drafting multiple is 3~5 times；
Fibre bundle successively bypass the first Water cooling type batch roller 4, the second Water cooling type at a slow speed batch at a slow speed roller 13,
First temperature control roller 14, the second temperature control roller 5, third temperature control roller 15, the quick roller 16 of temperature control and temperature at a slow speed at a slow speed at a slow speed
Drawing rollers 6 at a slow speed and the quick drawing rollers 11 of temperature control are controlled, so that fibre bundle is tensioned, and fibre bundle is preheated
To poling temperature.
Further, the double spiral electrode 10 is metal with good conductivity.
Further, the second temperature control roller 5, the first temperature control roller 14, third temperature control roller 15, temperature control at a slow speed at a slow speed at a slow speed
Quick roller 16, electric heater unit 7 are connected with temperature control unit 17, temperature and control so as to each component of real-time display
Silicone oil heating temperature in liquefaction bathing pool 9；Polarizing voltage loading unit 8 and double spiral electrode 10, so as to real-time monitoring pole
Change the load of voltage and shows the numerical value of polarizing voltage.
In addition, the present invention provides a kind of continuous production device realization PVDF piezoelectricity fibre using the PVDF piezoelectric fabric
The continuous producing method of dimension, includes the following steps:
Polymer beads are dried before 1 spinning, process conditions are set as 120 DEG C of temperature, the time 6 hours, dry
Afterwards, polymer beads are cooled to room temperature；
2 preheat spinning manifold 2, and polymer beads are poured into hopper 1, carry out spinning；
After 3 spinning from spinning head 3 spray fibre bundle successively bypass the first Water cooling type batch at a slow speed roller 4,
Second Water cooling type batches roller 13, the first temperature control at a slow speed, and roller 5, third temperature control be at a slow speed at a slow speed for roller 14, the second temperature control at a slow speed
Drawing rollers 6 and the quick drawing rollers 11 of temperature control, unlatching polarizing voltage add at a slow speed for roller 15, the quick roller 16 of temperature control and temperature control
Carrier unit 8 polarizes to the fibre bundle being immersed in silicone oil by the double spiral electrode 10 of oil bath 9；
4 polarization finish, and start 12 pairs of the collecting drum fibre bundles finished that polarize and are collected.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is mainly made of process units, polarization device, is devised heating device to polarized silicone oil, is greatly increased
The strong polarization efficiency and yield rate of piezoelectric fabric, the present invention include compared with prior art
1) fiber produced in the method and device of continuous production piezoelectric fabric of the invention by melt spinning than other at
The fiber quality of silk approach is all good, and the application of high-strength, flame resistance and drug resistance fiber in high-tech area is than wide.
2) oil bath of the method and device of continuous production piezoelectric fabric of the invention is twined fiber using silicone oil as medium
It is wound on screw electrode and is immersed in silicone oil, avoid the problem of air is easy breakdown.
2) the method and device structure of continuous production piezoelectric fabric of the invention is simple, small in size, light-weight, installation side
Just；It is convenient for mounting and clamping that the invention enables piezoelectric fabrics；Insulation effect under super-pressure polarization is good；
3) method and device of continuous production piezoelectric fabric of the invention makes production integrated with polarization；So that of the invention
High degree of automation, polarization efficiency is fast, and yields is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the continuous production device of PVDF piezoelectric fabric of the present invention.
In figure: 1-hopper, 2-spinning manifolds, 3-spinning heads, the 4-the first Water cooling type batch roller, 5-the at a slow speed
Two temperature controls roller, 6-temperature controls drawing rollers, 7-electric heater units, 8-polarizing voltage loading units, 9-oil baths at a slow speed at a slow speed
Pond, 10-double spiral electrodes, the quick drawing rollers of 11-temperature controls, 12-collecting drums, the 13-the second Water cooling type batch sieve at a slow speed
It draws, the 14-the first temperature control roller, 15-third temperature controls roller, the quick roller of 16-temperature controls, 17-newly added temperature at a slow speed at a slow speed
Spend control unit.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one:
1. as shown in Figure 1, a kind of continuous production device of PVDF piezoelectric fabric, including process units, polarization device and receipts
Collect roller 12, polarization device is located among process units and collecting drum 12, and process units is for generating with transporting fibre bundle extremely
Makeup is set, and fibre bundle is collected after polarization device polarizes by collecting drum；
The process units includes hopper 1, spinning manifold 2, spinning head 3, cooling body, thermoregulative mechanism, spinning manifold 2
On be provided with hopper 1,3 feed end of spinning head is connected to the discharge end of spinning manifold 2, and the fibre bundle that spinning head 3 sprays is successively
Around cooling body and thermoregulative mechanism, polarization device is reached；
The polarization device is oil bath 9 and polarizing voltage loading unit 8, and the oil bath 9 is provided with silicone oil, oil
A double spiral electrode 10 is fixedly installed in bathing pool 9, the double spiral electrode 10 is immersed in silicone oil, and 9 bottom of oil bath is equipped with electricity
Heating device 7, for silicone oil to be heated to predetermined temperature, double spiral electrode 10 connects in polarizing voltage loading unit 8 and oil bath 9
It connects.
The cooling body includes batching roller 4 at a slow speed and positioned at high-order second positioned at the first Water cooling type of low level
Water cooling type batches roller 13 at a slow speed, and cooling body is for additionally cooling fibre bundle.
The thermoregulative mechanism includes the first temperature control roller 14, the second temperature control roller 5, third temperature control sieve at a slow speed at a slow speed at a slow speed
Draw 15, the quick roller 16 of temperature control and temperature control drawing rollers 6 and the quick drawing rollers 11 of temperature control at a slow speed, the first temperature control roller at a slow speed
14, the second temperature control roller 5, third temperature control roller 15, the quick roller 16 of temperature control successively high infraversion malposition arrangement at a slow speed at a slow speed；
Drawing rollers 6 and the quick drawing rollers 11 of temperature control are fixedly mounted on 10 both ends of double spiral electrode at a slow speed for temperature control, in temperature
Control at a slow speed polarizes to fibre bundle in drawing-off using rotational speed difference between drawing rollers 6 and the quick drawing rollers 11 of temperature control, revolving speed
It is 5:1 than control, drawing-off is conducive to the crystal transition of fibre bundle, and drafting multiple is 3~5 times；
Fibre bundle successively bypass the first Water cooling type batch roller 4, the second Water cooling type at a slow speed batch at a slow speed roller 13,
First temperature control roller 14, the second temperature control roller 5, third temperature control roller 15, the quick roller 16 of temperature control and temperature at a slow speed at a slow speed at a slow speed
Drawing rollers 6 at a slow speed and the quick drawing rollers 11 of temperature control are controlled, so that fibre bundle is tensioned, and fibre bundle is preheated
To poling temperature.
The double spiral electrode 10 is metal with good conductivity.
Roller 15, temperature control are fast at a slow speed for roller 14, third temperature control at a slow speed for roller 5, the first temperature control at a slow speed for second temperature control
Fast roller 16, electric heater unit 7 are connected with temperature control unit 17, temperature and control so as to each component of real-time display
Silicone oil heating temperature in oil bath 9；Polarizing voltage loading unit 8 and double spiral electrode 10, so as to real-time monitoring polarization
The load of voltage and the numerical value for showing polarizing voltage.
Embodiment two:
As shown in Figure 1, a kind of continuous production device using the PVDF piezoelectric fabric of the present invention realizes PVDF piezoelectricity
The continuous producing method of fiber, includes the following steps:
Polymer beads are dried before 1 spinning, process conditions are set as 120 DEG C of temperature, the time 6 hours, dry
Afterwards, polymer beads are cooled to room temperature；
2 preheat spinning manifold 2, and polymer beads are poured into hopper 1, carry out spinning；
After 3 spinning from spinning head 3 spray fibre bundle successively bypass the first Water cooling type batch at a slow speed roller 4,
Second Water cooling type batches roller 13, the first temperature control at a slow speed, and roller 5, third temperature control be at a slow speed at a slow speed for roller 14, the second temperature control at a slow speed
Roller 15, the quick roller 16 of temperature control and temperature control drawing rollers 6 and the quick drawing rollers 11 of temperature control at a slow speed, will be in oil bath 9
Silicone oil is heated and maintained at 80 DEG C, opens polarizing voltage loading unit 8, and polarizing voltage control passes through the double of oil bath 9 in 13KV
Screw electrode 10 polarizes to the fibre bundle being immersed in silicone oil；
4 polarization finish, and start 12 pairs of the collecting drum fibre bundles finished that polarize and are collected.
On the basis of the present invention, control unit can also be increased, on the one hand, the load and display of real-time monitoring polarizing voltage
The numerical value of polarizing voltage, on the one hand, accurate control silicone oil heating temperature and real-time display, so that polarization efficiency of the invention is fast,
Yields is high.
Claims (6)
1. a kind of continuous production device of PVDF piezoelectric fabric, it is characterized in that: including process units, polarization device and collecting drum
(12), polarization device is located at process units and collecting drum (12) is intermediate, and process units is for generating with transporting fibre bundle extremely
Makeup is set, and fibre bundle is collected after polarization device polarizes by collecting drum；
The process units includes hopper (1), spinning manifold (2), spinning head (3), cooling body, thermoregulative mechanism, manifold
It is provided on body (2) hopper (1), spinning head (3) feed end is connected to the discharge end of spinning manifold (2), what spinning head (3) sprayed
Fibre bundle successively bypasses cooling body and thermoregulative mechanism, reaches polarization device；
The polarization device is oil bath (9) and polarizing voltage loading unit (8), and the oil bath (9) is provided with silicone oil,
It is fixedly installed with a double spiral electrode (10) in oil bath (9), the double spiral electrode (10) is immersed in silicone oil, oil bath (9)
Bottom is equipped with electric heater unit (7), for silicone oil to be heated to predetermined temperature, polarizing voltage loading unit (8) and oil bath (9)
Interior double spiral electrode (10) connection.
2. the continuous production device of PVDF piezoelectric fabric according to claim 1, it is characterized in that: the cooling body packet
The first Water cooling type positioned at low level is included to batch roller (4) at a slow speed and batch roller at a slow speed positioned at the second high-order Water cooling type
(13), cooling body is for additionally cooling fibre bundle.
3. the continuous production device of PVDF piezoelectric fabric according to claim 2, it is characterized in that: the thermoregulative mechanism packet
Include the first temperature control roller (14), the second temperature control roller (5), third temperature control roller (15), the quick roller of temperature control at a slow speed at a slow speed at a slow speed
(16) and temperature control drawing rollers (6) and the quick drawing rollers of temperature control (11) at a slow speed, the first temperature control roller (14), the second temperature at a slow speed
Control roller (5), third temperature control roller (15), the quick roller of temperature control (16) successively high infraversion malposition arrangement at a slow speed at a slow speed；
Drawing rollers (6) and the quick drawing rollers of temperature control (11) are fixedly mounted on double spiral electrode (10) both ends at a slow speed for temperature control,
Temperature control at a slow speed between drawing rollers (6) and the quick drawing rollers of temperature control (11) using rotational speed difference to fibre bundle the pole in drawing-off
Change, drawing-off is conducive to the crystal transition of fibre bundle, and drafting multiple is 3~5 times；
Fibre bundle successively bypass the first Water cooling type batch roller (4), the second Water cooling type at a slow speed batch at a slow speed roller (13),
First temperature control roller (14), the second temperature control roller (5), third temperature control roller (15), the quick roller of temperature control at a slow speed at a slow speed at a slow speed
(16) and temperature control drawing rollers (6) and the quick drawing rollers of temperature control (11) at a slow speed, fibre bundle is enable to be tensioned, and by fiber
Tow carries out being preheated to poling temperature.
4. the method and device of continuous production piezoelectric fabric according to claim 1, it is characterized in that: the double helix electricity
Pole (10) is metal with good conductivity.
5. the method and device of continuous production piezoelectric fabric according to claim 1, it is characterized in that: the second temperature control sieve at a slow speed
Draw (5), the first temperature control roller (14), third temperature control roller (15), the quick roller of temperature control (16), electric heater unit at a slow speed at a slow speed
(7) be connected with temperature control unit (17), so as to each component of real-time display temperature and control the silicon in oil bath (9)
Oily heating temperature.
6. a kind of continuous production device using PVDF piezoelectric fabric described in claim 1-5 any one realizes PVDF piezoelectricity
The continuous producing method of fiber, which comprises the steps of:
1) polymer beads being dried before spinning, process conditions are set as 120 DEG C of temperature, and the time 6 hours, after dry,
Polymer beads are cooled to room temperature；
2) spinning manifold (2) is preheated, polymer beads is poured into hopper (1), carry out spinning；
3) after spinning from spinning head (3) spray fibre bundle successively bypass the first Water cooling type batch at a slow speed roller (4),
Second Water cooling type batches roller (14), the second temperature control roller (5), third temperature at a slow speed at a slow speed of roller (13), the first temperature control at a slow speed
Roller (15), the quick roller of temperature control (16) and temperature control at a slow speed drawing rollers (6) and the quick drawing rollers of temperature control (11) at a slow speed are controlled,
It opens polarizing voltage loading unit (8), by the double spiral electrode (10) of oil bath (9) to the fibre bundle being immersed in silicone oil
It polarizes；
4) polarization finishes, and the fibre bundle that starting collecting drum (12) finishes polarization is collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513903.2A CN110306248A (en) | 2019-06-14 | 2019-06-14 | A kind of continuous producing method and device of PVDF piezoelectric fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513903.2A CN110306248A (en) | 2019-06-14 | 2019-06-14 | A kind of continuous producing method and device of PVDF piezoelectric fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110306248A true CN110306248A (en) | 2019-10-08 |
Family
ID=68075954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910513903.2A Pending CN110306248A (en) | 2019-06-14 | 2019-06-14 | A kind of continuous producing method and device of PVDF piezoelectric fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306248A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005546A (en) * | 2021-01-25 | 2021-06-22 | 连云港纶洋单丝科技有限公司 | Fluorocarbon monofilament and production method thereof |
| CN113060933A (en) * | 2021-03-23 | 2021-07-02 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| WO2023216387A1 (en) * | 2022-05-09 | 2023-11-16 | 北京大学口腔医学院 | Toothbrush filament and preparation method therefor, and toothbrush |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| GB2123602A (en) * | 1982-07-06 | 1984-02-01 | Raytheon Co | Piezoelectric transducer and method of making same |
| EP0146272A2 (en) * | 1983-11-22 | 1985-06-26 | Focas Limited | Coaxial cable |
| US4557880A (en) * | 1982-03-18 | 1985-12-10 | British Telecommunications | Piezoelectric and pyroelectric film |
| US4629925A (en) * | 1983-11-22 | 1986-12-16 | Raychem Corporation | Piezoelectric coaxial cable |
| CN101787575A (en) * | 2010-03-12 | 2010-07-28 | 浙江大学 | Preparation method for micro-nano piezoelectric fiber |
| CN101972568A (en) * | 2010-09-14 | 2011-02-16 | 尤祥银 | Medical efficient bacterium blocking filter material and preparation method thereof |
| CN103097105A (en) * | 2010-09-15 | 2013-05-08 | 博尔顿大学 | Piezoelectric polymer element and production method and apparatus therefor |
| CN104425705A (en) * | 2013-09-10 | 2015-03-18 | 龚伶 | Polarization method of polyvinylidene fluoride thin film |
| CN107026232A (en) * | 2017-05-09 | 2017-08-08 | 湖南科技大学 | A kind of piezoelectric fabric polar system and method |
-
2019
- 2019-06-14 CN CN201910513903.2A patent/CN110306248A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| US4557880A (en) * | 1982-03-18 | 1985-12-10 | British Telecommunications | Piezoelectric and pyroelectric film |
| GB2123602A (en) * | 1982-07-06 | 1984-02-01 | Raytheon Co | Piezoelectric transducer and method of making same |
| EP0146272A2 (en) * | 1983-11-22 | 1985-06-26 | Focas Limited | Coaxial cable |
| US4629925A (en) * | 1983-11-22 | 1986-12-16 | Raychem Corporation | Piezoelectric coaxial cable |
| CN101787575A (en) * | 2010-03-12 | 2010-07-28 | 浙江大学 | Preparation method for micro-nano piezoelectric fiber |
| CN101972568A (en) * | 2010-09-14 | 2011-02-16 | 尤祥银 | Medical efficient bacterium blocking filter material and preparation method thereof |
| CN103097105A (en) * | 2010-09-15 | 2013-05-08 | 博尔顿大学 | Piezoelectric polymer element and production method and apparatus therefor |
| CN104425705A (en) * | 2013-09-10 | 2015-03-18 | 龚伶 | Polarization method of polyvinylidene fluoride thin film |
| CN107026232A (en) * | 2017-05-09 | 2017-08-08 | 湖南科技大学 | A kind of piezoelectric fabric polar system and method |
Non-Patent Citations (1)
| Title |
|---|
| 邓基坎: "PVDF压电纤维及其织物的自感知性能研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅰ辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005546A (en) * | 2021-01-25 | 2021-06-22 | 连云港纶洋单丝科技有限公司 | Fluorocarbon monofilament and production method thereof |
| CN113005546B (en) * | 2021-01-25 | 2022-03-29 | 连云港纶洋单丝科技有限公司 | Production method of fluorocarbon monofilament |
| CN113060933A (en) * | 2021-03-23 | 2021-07-02 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| CN113060933B (en) * | 2021-03-23 | 2022-08-12 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| WO2023216387A1 (en) * | 2022-05-09 | 2023-11-16 | 北京大学口腔医学院 | Toothbrush filament and preparation method therefor, and toothbrush |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110306248A (en) | A kind of continuous producing method and device of PVDF piezoelectric fabric | |
| CN104862788B (en) | Air jet assisting multi-needle electrostatic spinning device and method for preparing nanofiber net through air jet assisting multi-needle electrostatic spinning device | |
| Zhao et al. | Preparation and formation mechanism of highly aligned electrospun nanofibers using a modified parallel electrode method | |
| Liu et al. | Active generation of multiple jets for producing nanofibres with high quality and high throughput | |
| CN103088454B (en) | Production method of melt direct spinning high-modulus low-shrinkage polyester industrial filament | |
| CN103102135A (en) | Electrospun micro-nanofiber reinforced aerogel flexible thermal insulation material and its preparation method | |
| CN104060355A (en) | Production method and device for continuous nano-fiber yarn | |
| CN105780152A (en) | Airflow bundling rotating twisting nanometer twisted thread preparation device and process | |
| CN106238726B (en) | A kind of flexible compound nano-silver thread and preparation method thereof | |
| CN110042481A (en) | A kind of device and method of continuous production piezoelectric fabric | |
| CN101314869A (en) | Apparatus for preparing macromolecule nano-fibre and spinning method thereof | |
| CN108963069A (en) | A kind of preparation method of 3D printing poly meta fluoroethylene piezoelectric film | |
| CN110607582A (en) | Method for preparing continuous PAN piezoelectric yarn by electrostatic spinning | |
| CN202369688U (en) | Centrifugal airflow nano-fiber bundle collecting device | |
| CN106400134A (en) | Reciprocating liquid feeding type nozzle-free electrostatic spinning device and method for producing nano-fiber membranes by using same | |
| CN101824662A (en) | High-pressure spinning method for preparing poly (p-phenylenebenzobisoxazole) (PBO) fiber | |
| CN105442065A (en) | Centrifugal gas electro-spinning device used for preparing large number of three-dimensional nanofiber scaffolds | |
| CN206428350U (en) | A kind of faller gill roll-type needleless electrostatic spinning apparatus | |
| CN203284512U (en) | Tip type needle-free electrostatic spinning device | |
| CN218842422U (en) | Rotor centrifugal spinning experimental device | |
| CN105088366B (en) | A kind of electrostatic spinning apparatus of batch micro operations nanofiber, method and system | |
| CN103451752B (en) | A kind of expandable metal mesh-belt formula melt electrostatic spinning device | |
| CN114507942B (en) | Preparation method of polyvinylidene fluoride nanofiber membrane regulated and controlled by mixed phase-change titanium dioxide | |
| CN203728972U (en) | Fused core-casing micro-nanofiber preparation device | |
| CN206157281U (en) | Fuse -element electricity of rotatory twisting of many needles spins nanometer preparation facilities of twisting thread |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
|
| RJ01 | Rejection of invention patent application after publication |