CN109576900A - A method of promoting composite material piezoelectric property - Google Patents
A method of promoting composite material piezoelectric property Download PDFInfo
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- CN109576900A CN109576900A CN201811401570.6A CN201811401570A CN109576900A CN 109576900 A CN109576900 A CN 109576900A CN 201811401570 A CN201811401570 A CN 201811401570A CN 109576900 A CN109576900 A CN 109576900A
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- 239000002131 composite material Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000001737 promoting effect Effects 0.000 title claims description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000011787 zinc oxide Substances 0.000 claims abstract description 37
- 239000002073 nanorod Substances 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 239000002033 PVDF binder Substances 0.000 claims abstract description 26
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 238000009987 spinning Methods 0.000 claims abstract description 23
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 57
- 239000000243 solution Substances 0.000 claims description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000002242 deionisation method Methods 0.000 claims 1
- 238000004729 solvothermal method Methods 0.000 abstract 1
- 229960001296 zinc oxide Drugs 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4318—Fluorine series
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/48—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
本发明公开了一种提升复合材料压电性能的方法，包括如下步骤：S1、通过溶剂热法制备氧化锌纳米棒状粉末；S2、将氧化锌纳米棒粉末分散到PVDF溶液中制备成纺丝溶液；S3、将制备的纺丝溶液通过静电纺丝装置制备成复合纤维丝；S4、将复合纤维丝制备成复合纤维膜；S5、以复合纤维膜为压电层，封装制备成压电器组件，并测试其压电性。本发明通过氧化锌纳米棒粉末的设计有效提高了PVDF的压电β相；且本发明中的氧化锌纳米棒也能在复合材料中提供一定的压电性，使得制备的复合材料的压电性显著提高。
The invention discloses a method for improving the piezoelectric properties of composite materials, comprising the following steps: S1, preparing zinc oxide nanorod-shaped powder by a solvothermal method; S2, dispersing the zinc oxide nanorod powder into a PVDF solution to prepare a spinning solution S3, the prepared spinning solution is prepared into a composite fiber filament by an electrostatic spinning device; S4, the composite fiber filament is prepared into a composite fiber membrane; S5, the composite fiber membrane is used as the piezoelectric layer, and the package is prepared into a piezoelectric electrical component, and test its piezoelectricity. The invention effectively improves the piezoelectric beta phase of PVDF through the design of the zinc oxide nanorod powder; and the zinc oxide nanorods in the invention can also provide a certain piezoelectricity in the composite material, so that the piezoelectricity of the prepared composite material is improved. Sex was significantly improved.
Description
Technical field
The invention belongs to piezo-electric generating technical fields, more specifically more particularly to a kind of promotion composite material piezoelectricity
The method of energy.
Background technique
Currently, demand sustainable energy is extremely urgent as environmental pollution, global warming phenomenon are continuously increased, wherein
Flexible piezoelectric material because can effectively people live in mechanical energy be transformed into electric energy and cause very big concern.And as soft
The representative of property piezoelectric material, PVDF (Kynoar) are widely studied.The method for promoting PVDF piezoelectricity at present mainly will
Inorganic filler is compound by the method for electrostatic spinning with PVDF, passes through the piezoelectricity for increasing PVDF at nuclearity using inorganic filler
β phase, this method are one-sided promotion PVDF piezoelectricity, and it is limited to promote effect.
A kind of existing method by granular zinc-oxide nano as filler, piezoelectric property are lower.For existing
The problem of with the presence of technology, the study found that ZnO nanorod not only can induce PVDF molecular chain orientation during electrostatic spinning
Form more piezoelectricity β phases (highest content is 90.7%), and in piezoelectricity test process, zinc-oxide nano bar material because than
Zinc oxide nanoparticle material is easier to deformation, so can further provide for more piezoelectricity again.Therefore the present invention will be by that will have
There are the inorganic oxide zinc nanometer rods of piezoelectricity compound to propose a kind of can effectively be promoted as piezoelectric filler and PVDF Static Spinning
The method of composite material piezoelectric property.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of promotion composite material pressure proposed
The method of electrical property.
To achieve the above object, the invention provides the following technical scheme:
A method of composite material piezoelectric property is promoted, is included the following steps:
S1, zinc oxide nano rod sprills are prepared by solvent-thermal method；
S2, it zinc oxide nano rod powder is distributed in PVDF solution is prepared into spinning solution；
S3, the spinning solution of preparation is prepared into composite fibre silk by electrostatic spinning apparatus；
S4, composite fibre silk is prepared into composite cellulosic membrane；
S5, using composite cellulosic membrane as piezoelectric layer, encapsulation is prepared into piezoelectricity device assembly, and tests its piezoelectricity.
Preferably, the length range of the zinc oxide nano rod sprills is 500-1000nm, and the zinc-oxide nano
The diameter range of rodlike powder is 50-90nm.
Preferably, reaction reagent used in the solvent-thermal method mentioned in the S1 includes Zn (NO3) 6H2O, N, N-
Dimethylformamide (DMF) and deionized water.
Preferably, solvent used in PVDF (Kynoar) solution mentioned in the S2 be DMF and acetone, and
The mass ratio of both DMF and acetone is 1:1.
Preferably, the electrostatic spinning apparatus mentioned in the S3 includes injection-tube, Rotation of receiver roller and high-voltage electricity
Source, one end of the injection-tube are equipped with convenient for the syringe pump of injection spinning solution, and the other end of the injection-tube is communicated with just
In the syringe needle for shooing out composite fiber spinning, the positive and negative anodes of the high voltage power supply pass through conducting wire and syringe needle and Rotation of receiver roller respectively
It is electrically connected.
Preferably, the high voltage power supply, which passes through, is equipped with brush in conducting wire and the electric connection point of Rotation of receiver roller, and
The brush is mounted on one end conductive shaft of Rotation of receiver roller.
Preferably, the injection-tube is fixed on fixture, the electricity moved horizontally on one end of the injection-tube and syringe pump
Movable slider contact, and the other end of injection-tube is connected to hose.
Preferably, the syringe needle is vertically arranged in the surface of Rotation of receiver roller.
Preferably, the piezoelectricity device assembly mentioned in the S5 includes composite cellulosic membrane, the two sides of the composite cellulosic membrane
Be respectively fixedly connected with the conductive sheet as conductive electrode, and be provided on the outside of the conductive sheet play a protective role convenient for into
Went the PET film layer of packaged by plastic.
Preferably, in the S4, composite fibre silk Rotation of receiver is prepared into orientation composite cellulosic membrane.
Technical effect and advantage of the invention: a kind of method promoting composite material piezoelectric property provided by the invention,
1, the present invention effectively increases the piezoelectricity β phase of PVDF by the design of zinc oxide nano rod powder；
2 and the present invention in zinc oxide nano rod certain piezoelectricity can be also provided in the composite so that preparation
The piezoelectricity of composite material significantly improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electrostatic spinning apparatus of the present invention；
Fig. 2 is the structural schematic diagram of piezoelectricity device assembly of the present invention；
Fig. 3 is that pure PVDF (the i.e. 0% zinc oxide nano rod) content of the present invention pushes electrical test chart；
Fig. 4 is that 1% zinc oxide nano rod content of the invention pushes electrical test chart；
Fig. 5 is that 5% zinc oxide nano rod content of the invention pushes electrical test chart；
Fig. 6 is that 10% zinc oxide nano rod content of the invention pushes electrical test chart.
In figure: 1 PET film layer, 2 conductive sheets, 3 composite cellulosic membranes, 4 syringe pumps, 5 injection-tubes, 6 syringe needles, 7 composite fibres are spun
Silk, 8 Rotation of receiver rollers, 9 high voltage power supplies.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment 1
A method of composite material piezoelectric property is promoted, is included the following steps:
S1, zinc oxide nano rod sprills are prepared by solvent-thermal method；The length of the zinc oxide nano rod sprills is
500nm, and the diameter of the zinc oxide nano rod sprills is 50nm；Reaction reagent used in the solvent-thermal method includes
Zn (NO3) 6H2O, N,N-dimethylformamide (DMF) and deionized water；
S2, it zinc oxide nano rod powder is distributed in PVDF solution is prepared into spinning solution；PVDF (the polyvinylidene fluoride
Alkene) solvent used in solution is DMF and acetone, and the mass ratio of both DMF and acetone is 1:1；
S3, the spinning solution of preparation is prepared into composite fibre silk by electrostatic spinning apparatus；The electrostatic spinning apparatus
It include injection-tube 5, Rotation of receiver roller 8 and high voltage power supply 9, one end of the injection-tube 5 is equipped with convenient for injection spinning
The syringe pump 4 of solution, the other end of the injection-tube 5 are communicated with to shoot out the syringe needle 6 of composite fiber spinning 7, the high pressure
The positive and negative anodes of power supply 9 pass through conducting wire and syringe needle 6 respectively and Rotation of receiver roller 8 is electrically connected；The high voltage power supply 9 passes through conducting wire
With brush is installed in the electric connection point of Rotation of receiver roller 8, and the brush is mounted on one end of Rotation of receiver roller 8 and leads
In electric axis；The injection-tube 5 is fixed on fixture, the electronic sliding block moved horizontally on one end of the injection-tube 5 and syringe pump 4
Contact, and the other end of injection-tube 5 is connected to hose, the syringe needle 6 is vertically arranged in the surface of Rotation of receiver roller 8；
S4, composite fibre silk is prepared into composite cellulosic membrane, composite fibre silk Rotation of receiver is prepared into the compound fibre of orientation
Tie up film；
S5, using composite cellulosic membrane as piezoelectric layer, encapsulation is prepared into piezoelectricity device assembly, and tests its piezoelectricity (using bending
The piezoelectricity that measures of the mode of stirring)；The piezoelectricity device assembly includes composite cellulosic membrane 3, the two sides of the composite cellulosic membrane 3
It is respectively fixedly connected with the conductive sheet 2 as conductive electrode, and the outside of the conductive sheet 2 is provided with to play a protective role and be convenient for
Carried out the PET film layer 1 of packaged by plastic.
Embodiment 2
A method of composite material piezoelectric property is promoted, is included the following steps:
S1, zinc oxide nano rod sprills are prepared by solvent-thermal method；The length of the zinc oxide nano rod sprills is
830nm, and the diameter of the zinc oxide nano rod sprills is 70nm；Reaction reagent used in the solvent-thermal method includes
Zn (NO3) 6H2O, N,N-dimethylformamide (DMF) and deionized water；
S2, it zinc oxide nano rod powder is distributed in PVDF solution is prepared into spinning solution；PVDF (the polyvinylidene fluoride
Alkene) solvent used in solution is DMF and acetone, and the mass ratio of both DMF and acetone is 1:1；
S3, the spinning solution of preparation is prepared into composite fibre silk by electrostatic spinning apparatus；The electrostatic spinning apparatus
It include injection-tube 5, Rotation of receiver roller 8 and high voltage power supply 9, one end of the injection-tube 5 is equipped with convenient for injection spinning
The syringe pump 4 of solution, the other end of the injection-tube 5 are communicated with to shoot out the syringe needle 6 of composite fiber spinning 7, the high pressure
The positive and negative anodes of power supply 9 pass through conducting wire and syringe needle 6 respectively and Rotation of receiver roller 8 is electrically connected；The high voltage power supply 9 passes through conducting wire
With brush is installed in the electric connection point of Rotation of receiver roller 8, and the brush is mounted on one end of Rotation of receiver roller 8 and leads
In electric axis；The injection-tube 5 is fixed on fixture, the electronic sliding block moved horizontally on one end of the injection-tube 5 and syringe pump 4
Contact, and the other end of injection-tube 5 is connected to hose, the syringe needle 6 is vertically arranged in the surface of Rotation of receiver roller 8；
S4, composite fibre silk is prepared into composite cellulosic membrane, composite fibre silk Rotation of receiver is prepared into the compound fibre of orientation
Tie up film；
S5, using composite cellulosic membrane as piezoelectric layer, encapsulation is prepared into piezoelectricity device assembly, and tests its piezoelectricity (using bending
The piezoelectricity that measures of the mode of stirring)；The piezoelectricity device assembly includes composite cellulosic membrane 3, the two sides of the composite cellulosic membrane 3
It is respectively fixedly connected with the conductive sheet 2 as conductive electrode, and the outside of the conductive sheet 2 is provided with to play a protective role and be convenient for
Carried out the PET film layer 1 of packaged by plastic.
Embodiment 3
A method of composite material piezoelectric property is promoted, is included the following steps:
S1, zinc oxide nano rod sprills are prepared by solvent-thermal method；The length model of the zinc oxide nano rod sprills
It encloses for 1000nm, and the diameter range of the zinc oxide nano rod sprills is 90nm；Reaction used in the solvent-thermal method
Reagent includes Zn (NO3) 6H2O, N,N-dimethylformamide (DMF) and deionized water；
S2, it zinc oxide nano rod powder is distributed in PVDF solution is prepared into spinning solution；PVDF (the polyvinylidene fluoride
Alkene) solvent used in solution is DMF and acetone, and the mass ratio of both DMF and acetone is 1:1；
S3, the spinning solution of preparation is prepared into composite fibre silk by electrostatic spinning apparatus；The electrostatic spinning apparatus
It include injection-tube 5, Rotation of receiver roller 8 and high voltage power supply 9, one end of the injection-tube 5 is equipped with convenient for injection spinning
The syringe pump 4 of solution, the other end of the injection-tube 5 are communicated with to shoot out the syringe needle 6 of composite fiber spinning 7, the high pressure
The positive and negative anodes of power supply 9 pass through conducting wire and syringe needle 6 respectively and Rotation of receiver roller 8 is electrically connected；The high voltage power supply 9 passes through conducting wire
With brush is installed in the electric connection point of Rotation of receiver roller 8, and the brush is mounted on one end of Rotation of receiver roller 8 and leads
In electric axis；The injection-tube 5 is fixed on fixture, the electronic sliding block moved horizontally on one end of the injection-tube 5 and syringe pump 4
Contact, and the other end of injection-tube 5 is connected to hose, the syringe needle 6 is vertically arranged in the surface of Rotation of receiver roller 8；
S4, composite fibre silk is prepared into composite cellulosic membrane, composite fibre silk Rotation of receiver is prepared into the compound fibre of orientation
Tie up film；
S5, using composite cellulosic membrane as piezoelectric layer, encapsulation is prepared into piezoelectricity device assembly, and tests its piezoelectricity (using bending
The piezoelectricity that measures of the mode of stirring)；The piezoelectricity device assembly includes composite cellulosic membrane 3, the two sides of the composite cellulosic membrane 3
It is respectively fixedly connected with the conductive sheet 2 as conductive electrode, and the outside of the conductive sheet 2 is provided with to play a protective role and be convenient for
Carried out the PET film layer 1 of packaged by plastic.
In summary: the present invention is compound under pure PVDF, 1%, 5%, 10% (mass fraction) zinc oxide nano rod content
The piezoelectricity of material, the piezoelectricity size measured with oscillograph is respectively 20V, 60V, 85V, 45V；Piezoelectricity β phase content is respectively as follows:
85.55%, 90.0%, 90.7%, 87.5%.A kind of method promoting composite material piezoelectric property provided by the invention, this hair
The bright design by zinc oxide nano rod powder effectively increases the piezoelectricity β phase of PVDF；And the zinc oxide nano rod in the present invention
Also certain piezoelectricity can be provided in the composite, so that the piezoelectricity of the composite material of preparation significantly improves.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of method for promoting composite material piezoelectric property, characterized by the following steps:
S1, zinc oxide nano rod sprills are prepared by solvent-thermal method；
S2, it zinc oxide nano rod powder is distributed in PVDF solution is prepared into spinning solution；
S3, the spinning solution of preparation is prepared into composite fibre silk by electrostatic spinning apparatus；
S4, composite fibre silk is prepared into composite cellulosic membrane；
S5, using composite cellulosic membrane as piezoelectric layer, encapsulation is prepared into piezoelectricity device assembly, and tests its piezoelectricity.
2. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: the zinc oxide
The length range of nano bar-shape powder is 500-1000nm, and the diameter range of the zinc oxide nano rod sprills is 50-
90nm。
3. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: mentioned in the S1
To solvent-thermal method used in reaction reagent include Zn (NO3) 6H2O, N,N-dimethylformamide (DMF) and deionization
Water.
4. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: mentioned in the S2
Solvent used in PVDF (Kynoar) solution arrived is DMF and acetone, and the mass ratio of both DMF and acetone is 1:
1。
5. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: mentioned in the S3
To electrostatic spinning apparatus include injection-tube (5), Rotation of receiver roller (8) and high voltage power supply (9), the injection-tube (5)
One end be equipped with convenient for the syringe pump (4) of injection spinning solution, the other end of the injection-tube (5) is communicated with multiple convenient for shooing out
The positive and negative anodes of the syringe needle (6) of condensating fiber spinning (7), the high voltage power supply (9) pass through conducting wire and syringe needle (6) and Rotation of receiver respectively
Roller (8) is electrically connected.
6. a kind of method for promoting composite material piezoelectric property according to claim 5, it is characterised in that: the high-voltage electricity
Source (9) is by being equipped with brush in the electric connection point of conducting wire and Rotation of receiver roller (8), and the brush is mounted on rotation and connects
On one end conductive shaft for receiving roller (8).
7. a kind of method for promoting composite material piezoelectric property according to claim 5, it is characterised in that: the injection-tube
(5) it is fixed on fixture, the electronic shoe contact moved horizontally on one end and syringe pump (4) of the injection-tube (5), and injects
The other end of pipe (5) is connected to hose.
8. a kind of method for promoting composite material piezoelectric property according to claim 5, it is characterised in that: the syringe needle
(6) it is vertically arranged in the surface of Rotation of receiver roller (8).
9. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: mentioned in the S5
To piezoelectricity device assembly include composite cellulosic membrane (3), the two sides of the composite cellulosic membrane (3) have been respectively fixedly connected with as leading
The conductive sheet (2) of electrode, and be provided with to play a protective role on the outside of the conductive sheet (2) and be convenient for packaged by plastic
PET film layer (1).
10. a kind of method for promoting composite material piezoelectric property according to claim 1, it is characterised in that: in the S4
In, composite fibre silk Rotation of receiver is prepared into orientation composite cellulosic membrane.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481832A (en) * | 2020-12-18 | 2021-03-12 | 四川大学 | Preparation method of P (VDF-TrFE) tree-shaped micro-nano fiber piezoelectric film |
| CN114775171A (en) * | 2022-03-15 | 2022-07-22 | 四川大学 | P (VDF-TrFE) -based composite piezoelectric fiber membrane and preparation method thereof |
| CN115172582A (en) * | 2022-07-20 | 2022-10-11 | 河南大学 | Flexible piezoelectric device, flexible piezoelectric input equipment and input method thereof |
| CN115491815A (en) * | 2022-10-20 | 2022-12-20 | 璞里新材料科技(苏州)有限公司 | A reinforced flexible polyvinylidene fluoride nanofiber material and friction nanogenerator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010022158A2 (en) * | 2008-08-19 | 2010-02-25 | The Johns Hopkins University | Piezoelectric polymer fibers |
| CN102807249A (en) * | 2011-06-01 | 2012-12-05 | 国家纳米科学中心 | Method for controlling shapes of zinc oxide nanoparticles |
| CN106521678A (en) * | 2016-11-01 | 2017-03-22 | 华南协同创新研究院 | Preparation method of polymer fiber-based ZnO nanowire fiber |
| CN107237043A (en) * | 2017-06-23 | 2017-10-10 | 苏州大学 | Load the preparation method of the tunica fibrosa of oriented zinc oxide nanometer rods |
| CN108251971A (en) * | 2018-01-31 | 2018-07-06 | 西南交通大学 | A kind of flexible piezoelectric nano fibrous membrane and its preparation method and application |
-
2018
- 2018-11-22 CN CN201811401570.6A patent/CN109576900A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010022158A2 (en) * | 2008-08-19 | 2010-02-25 | The Johns Hopkins University | Piezoelectric polymer fibers |
| CN102807249A (en) * | 2011-06-01 | 2012-12-05 | 国家纳米科学中心 | Method for controlling shapes of zinc oxide nanoparticles |
| CN106521678A (en) * | 2016-11-01 | 2017-03-22 | 华南协同创新研究院 | Preparation method of polymer fiber-based ZnO nanowire fiber |
| CN107237043A (en) * | 2017-06-23 | 2017-10-10 | 苏州大学 | Load the preparation method of the tunica fibrosa of oriented zinc oxide nanometer rods |
| CN108251971A (en) * | 2018-01-31 | 2018-07-06 | 西南交通大学 | A kind of flexible piezoelectric nano fibrous membrane and its preparation method and application |
Non-Patent Citations (4)
| Title |
|---|
| RATYAKSHI NAIN等: ""Polymeric nanofiber composites with aligned ZnO nanorods"", 《COMPOSITES SCIENCE AND TECHNOLOGY》 * |
| 孙博伦等: ""具有压电性能的电纺PVDF/ZnO复合纳米纤维"", 《中国化学会第30届学术年会摘要集-第四十一分会：纳米材料与器件》 * |
| 晋传贵等: "《一维无机纳米材料》", 30 June 2007, 冶金工业出版社 * |
| 李静静等: ""高压电性静电纺柔性氧化锌/聚偏氟乙烯复合纤维膜"", 《纺织学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481832A (en) * | 2020-12-18 | 2021-03-12 | 四川大学 | Preparation method of P (VDF-TrFE) tree-shaped micro-nano fiber piezoelectric film |
| CN112481832B (en) * | 2020-12-18 | 2022-07-19 | 四川大学 | A kind of preparation method of P(VDF-TrFE) dendritic micro-nanofiber piezoelectric film |
| CN114775171A (en) * | 2022-03-15 | 2022-07-22 | 四川大学 | P (VDF-TrFE) -based composite piezoelectric fiber membrane and preparation method thereof |
| CN114775171B (en) * | 2022-03-15 | 2024-01-12 | 四川大学 | P (VDF-TrFE) -based composite piezoelectric fiber membrane and preparation method thereof |
| CN115172582A (en) * | 2022-07-20 | 2022-10-11 | 河南大学 | Flexible piezoelectric device, flexible piezoelectric input equipment and input method thereof |
| CN115491815A (en) * | 2022-10-20 | 2022-12-20 | 璞里新材料科技(苏州)有限公司 | A reinforced flexible polyvinylidene fluoride nanofiber material and friction nanogenerator |
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