CN105970350B - A kind of preparation method and applications of Stretchable polymeric composite material - Google Patents
A kind of preparation method and applications of Stretchable polymeric composite material Download PDFInfo
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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- 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
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- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- 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
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- 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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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Abstract
The present invention relates to it is a kind of can a wide range of strained polymer composite material preparation method, refer in particular to a kind of preparation method and applications of Stretchable polymeric composite material based on super in-line arrangement ordered fiber.The present invention uses electrostatic spinning technique, using roller collection mode, the deposition in-line arrangement ultrathin nanometer fiber in the rubber substrate of 200-400% (length after stretching be original rubber length 2-4 times) pre-stretching.Rubber forms pleated structure after replying, that is, prepares stretchable composite material.
Description
Technical field
The present invention relates to it is a kind of can a wide range of strained polymer composite material preparation method, refer in particular to a kind of based on super in-line arrangement
The preparation method and applications of the Stretchable polymeric composite material of ordered fiber.
Background technique
Flexible extensible sensor has special demand in wearable device at present.Super large tensile property can be achieved
It is mainly based upon super in-line arrangement carbon nanotube [Science, 2015,349,400].But super in-line arrangement carbon nanotube preparation process is more multiple
It is miscellaneous.And electrostatic spinning technique inexpensive can quickly prepare nanofiber.Polyaniline (PANI) is because raw material is easy to get, synthesizes letter
Single, adjustable conductivity with higher and potential solution, melt processable and good environmental stability, in chemical-electrical
The fields such as source, antistatic coating, electromagnetic shielding material, anticorrosive, sensor are with a wide range of applications.Although polyaniline list
Only spinning can prepare that conductivity is higher, the lesser conductive fiber of diameter, but the requirement to equipment is relatively high, and fiber weakness
It is larger, greatly limit its application.In order to prepare polyaniline fiber film of good performance, it can be mixed with other polymers
Electrostatic spinning is carried out after conjunction, common polymer has polyethylene glycol oxide (PEO), polyvinyl alcohol (PVA), polyacrylonitrile (PAN), gathers
Lactic acid (PLA), polymethyl methacrylate (PMMA) etc., can also be compound with nanofiber by inorganic nanoparticles, further
Improve the functions such as its electric conductivity, gas sensing characteristic.
The present invention utilizes electrostatic spinning technique, using roller collection mode, deposits in the rubber substrate of super large pre-stretching
Ultra-thin super in-line arrangement composite nano fiber, forms the stretchable composite material of big deformation, and be applied in stretchable device.
Summary of the invention
The present invention uses electrostatic spinning technique, and using roller collection mode, in 200-400%, (length after stretching is former
Have 2-4 times of rubber length) pre-stretching rubber substrate on deposit in-line arrangement ultrathin nanometer fiber.Rubber forms fold knot after replying
Structure prepares stretchable composite material.The characteristics of invention, is: (1) directly carrying out in the rubber substrate of pre-stretching ultra-thin
The preparation of (0.5-2 micron thickness) super in-line arrangement nano wire.Because macromolecule or composite nano fiber and super in-line arrangement carbon nanotube are not
Together, there is no Van der Waals force between nano wire, namely mean during rubber tensile, if spinning film is thicker, high score
It is allowed to be consistent movement there is no interaction force between sub- silk.During stretching, device performance will change, and make
It does not have usable characteristic.For this purpose, film must be very thin.On the other hand.When film is very thin, if not directly pre-
It stretches and carries out spinning on rubber, but as under normal conditions, spinning being carried out on aluminium foil, is difficult for film to be transferred to from aluminium foil
On rubber.(2) it is dispersed in macromolecule precursor solution using carbon nanotube and silver nanowires, carries out the electrostatic spinning of composite membrane.
Since both materials all have certain electric conductivity, while being linear material again, ordered arrangement in the fibre may be implemented,
On the one hand the electric conductivity for improving composite fibre, on the other hand can be improved the mechanical characteristic of composite fibre.This can be applied to stretchable
Gas sensor, stretchable electrostatic shielding materials etc..
Realize the technical solution of the present invention is as follows:
(1) preparation of electrostatic spinning precursor solution
Polyacrylonitrile is dissolved in n,N-Dimethylformamide (DMF), continuously stirs obtained electrostatic at room temperature
Spinning solution；Aniline (ANI) is slowly added into electrostatic spinning raw material solution and obtains final electrostatic spinning precursor solution.
Further, the ratio of n,N-Dimethylformamide, polyacrylonitrile and aniline are as follows: 10ml:1.35g:12.5ml.
Further, finger is continuously stirred to be continuously stirred 12 hours with magnetic stirring apparatus.
Further, aniline (ANI) is slowly added into electrostatic spinning raw material solution, after every addition 1mL aniline, needs magnetic force
10min is stirred, after aniline is all added, needs to be stirred for 3 hours.
Further, before aniline is added, first into electrostatic spinning raw material solution be added carbon nanotube (CNTs) dispersion liquid or
Silver nanowires；The ratio of n,N-Dimethylformamide, polyacrylonitrile, carbon nano tube dispersion liquid and aniline are as follows: 10ml:1.35g:
10ml:12.5ml；The mass fraction of carbon nano tube dispersion liquid is 70-80 ‰, n,N-Dimethylformamide, polyacrylonitrile, Yin Na
The ratio of rice noodles and aniline are as follows: 10ml:1.35g:5ml:12.5ml.
(2) preparation of complex ordered precursor tunica fibrosa
After rubber substrate prestretching is extended to former long 200%-400%, it is fixed on metal and receives on roller, that is, be pre-stretched
Rubber matrix on, using electrostatic spinning technique, prepare orderly aniline/polyacrylonitrile composite nano fiber；It will be in pre-stretching rubber
Orderly aniline/polyacrylonitrile the composite nano fiber prepared on glue substrate is removed from roller, will be stained with orderly aniline/poly- third
The rubber of alkene nitrile composite nano fiber is fixed on glass according to pre-stretched length with fixture, is placed in drying in vacuum desiccator,
It is spare.
Further, the technological parameter of electrostatic spinning are as follows: operating voltage is positive pressure, the negative pressure of 1-2kV of 15-18kV, is pushed away
Speed is 0.005-0.01mL/min, and roller revolving speed is 1000-5000rpm.
Further, fiber thickness control is in 500-2000nm.
(3) oxidation polymerization of precursor fiber
Orderly aniline/polyacrylonitrile the composite nano fiber being adhered on pre-stretching rubber substrate is impregnated with deionized water
Afterwards, ammonium persulfate solution is dropped evenly on orderly aniline/polyacrylonitrile composite nano fiber, sample is then put into refrigerator
In after take out, it is cleaning, dry.
It further, is 15min with the time that deionized water is impregnated.
Further, in ammonium persulfate solution ammonium persulfate and deionized water ratio are as follows: 9g:13ml.
Further, refrigerator temperature is 3~4 DEG C, and standing time is for 24 hours.
Further, cleaning refers to first is cleaned by ultrasonic with deionized water repeatedly, removes remaining ammonium persulfate on fiber
Solution, then be cleaned by ultrasonic repeatedly with dehydrated alcohol, remove remaining aniline on fiber.
Further, sample is placed drying at room temperature 12h in a vacuum drying oven by dry refer to.
(4) preparation of Stretch material
Polyacrylonitrile/polyaniline composite nano fiber rubber substrate will be stained with to take off from glass, loosened, rubber lining
After former length is restored at bottom, composite fibre forms pleated structure, which can realize that multi-drawing is replied in pre-stretching range.
Detailed description of the invention
Fig. 1 is the SEM figure of ordered fiber in embodiment 2.
Fig. 2 is the pleated structure figure of Stretchable polymeric composite material.
Specific embodiment
The stretchable polyacrylonitrile of embodiment 1/polyaniline composite nano fiber
(1) polyacrylonitrile/aniline precursor solution preparation
10mL n,N-Dimethylformamide (DMF) is poured into conical flask, being slowly added to 1.35g polyacrylonitrile, (PAN divides
Son amount 1.0 × 106), at room temperature, 12h is continuously stirred with magnetic stirring apparatus, electrostatic spinning raw material solution is made；It is stirred in magnetic force
Under the conditions of mixing, 12.5mL aniline (ANI) is slowly dropped into PAN solution, after every addition 1mL ANI solution, needs magnetic agitation
10min is further continued for stirring 3h, the precursor solution of PAN/ANI is made after all instilling.
(2) preparation of the orderly precursor fiber of polyacrylonitrile/aniline
After rubber substrate is pre-stretched 300%, it is fixed on metal and receives on roller.It is spun using electrostatic spinning apparatus
Silk, receiving distance is 10cm, and operating voltage is positive pressure, the negative pressure of 1kV of 18kV, and pushing away speed is 0.01mL/min, and roller revolving speed is
1000rpm, the control of spinning time are 30min, and fiber thickness is controlled in 1200nm；By what is prepared on pre-stretching rubber substrate
PAN/ANI composite nano fiber is removed from roller, will be stained with the rubber of PAN/ANI fiber according to pre-stretched length fixture
It is fixed on glass, is placed in drying in vacuum desiccator, it is spare.
(3) the orderly oxidation polymerization of precursor fiber
It will be adhered to the PAN/ANI fiber on pre-stretching rubber substrate, be put into beaker, impregnates 15min with deionized water；
9g ammonium persulfate (APS) is weighed, is dissolved in 13mL deionized water, APS solution is obtained；The sample after impregnating is taken out, APS is molten
Liquid drops evenly on PAN/ANI ordered fiber, then sample is put into refrigerator for 24 hours, temperature is maintained at 3~4 DEG C.Again by sample
Product are cleaned by ultrasonic repeatedly with deionized water, remove remaining APS solution on fiber, then carry out ultrasound repeatedly with dehydrated alcohol
Cleaning removes remaining ANI on fiber, and sample is finally placed drying at room temperature 12h in a vacuum drying oven, obtains polypropylene
Nitrile/polyaniline (PAN/PANI) composite nano fiber.
(4) stretchable polyacrylonitrile/polyaniline composite nano fiber
The rubber for being stained with PAN/PANI composite nano fiber is removed from glass, restores former long, forms pleated structure,
It is prepared for stretchable PAN/PANI composite nano-fiber material.The material can be achieved to stretch repeatedly in pre-stretching range,
In drawing process, the resistance change rate of fiber is maintained in 2%.
The sample is used for electromagnetic shielding material, and EMI shielding effectiveness is up to 5dB.
The stretchable polyacrylonitrile of embodiment 2/Polymerization of Polyaniline/carbon Nanotube composite nano fiber
(1) polyacrylonitrile/aniline/carbon nanotube precursor solution preparation
10mL n,N-Dimethylformamide (DMF) is poured into conical flask, being slowly added to 1.35g polyacrylonitrile, (PAN divides
Son amount 1.0 × 106), at room temperature, 12h is continuously stirred with magnetic stirring apparatus, electrostatic spinning raw material solution is made；It is stirred in magnetic force
Under the conditions of mixing, carbon nanotube (CNTs) dispersion liquid that 10mL mass fraction is 70-80 ‰ is added in PAN solution, then will
12.5mL aniline (ANI) is slowly dropped into above-mentioned mixed solution, after every addition 1mLANI solution, needs magnetic agitation 10min, when
After all instilling, it is further continued for stirring 3h, PAN/ANI/CNTs precursor solution is made.
(2) preparation of the orderly precursor fiber of polyacrylonitrile/aniline/carbon nanotube
After rubber substrate is pre-stretched 300%, it is fixed on metal and receives on roller.It is spun using electrostatic spinning apparatus
Silk, receiving distance is 10cm, and operating voltage is positive pressure, the negative pressure of 1kV of 18kV, and pushing away speed is 0.01mL/min, and roller revolving speed is
1000rpm, the control of spinning time are 30min, and fiber thickness is controlled in 1200nm；By what is prepared on pre-stretching rubber substrate
PAN/ANI/CNTs composite nano fiber is removed from roller, and rubber substrate is fixed on glass with fixture according to pre-stretched length
On, it is placed in drying in vacuum oven, it is spare.
(3) the orderly oxidation polymerization of precursor fiber
It will be adhered to the PAN/ANI/CNTs composite fibre on pre-stretching rubber substrate, is put into beaker, uses deionized water
Impregnate 15min；9g ammonium persulfate (APS) is weighed, is dissolved in 13mL deionized water, APS solution is obtained；Take out the sample after impregnating
Product drop evenly APS solution on PAN/ANI ordered fiber, and then sample is put into refrigerator for 24 hours, and temperature is maintained at 3~
4℃.Sample is cleaned by ultrasonic repeatedly with deionized water again, remove fiber on remaining APS solution, then with dehydrated alcohol into
Row is cleaned by ultrasonic repeatedly, removes remaining ANI on fiber.Sample is finally placed into drying at room temperature 12h in a vacuum drying oven, is obtained
Obtain polyacrylonitrile/Polymerization of Polyaniline/carbon Nanotube (PAN/PANI/CNTs) composite nano fiber.
(4) stretchable polyacrylonitrile/Polymerization of Polyaniline/carbon Nanotube composite nano fiber
The rubber for being stained with PAN/PANI/CNTs composite nano fiber is removed from glass, restores former long, forms fold
Structure is prepared for stretchable PAN/PANI/CNTs composite nano-fiber material.The material can be achieved in pre-stretching range
It stretches repeatedly, in drawing process, the resistance change rate of fiber is maintained in 2%；The sample is used for electromagnetic shielding material, and electromagnetism is dry
Shield effectiveness is disturbed up to 10dB.
The stretchable polyacrylonitrile of embodiment 3/polyaniline/argentum nano line composite nano fiber
(1) polyacrylonitrile/aniline/silver nanowires precursor solution configuration
10mL n,N-Dimethylformamide (DMF) is poured into conical flask, being slowly added to 1.35g polyacrylonitrile, (PAN divides
Son amount 1.0 × 106), at room temperature, 12h is continuously stirred with magnetic stirring apparatus, electrostatic spinning raw material solution is made；It is stirred in magnetic force
Under the conditions of mixing, 5mL silver nanowires (AgNWs) is added in PAN solution, then 12.5mL aniline (ANI) is slowly dropped into above-mentioned
In mixed solution, after every addition 1mL ANI solution, magnetic agitation 10min is needed, after all instilling, is further continued for stirring 3h, system
Obtain PAN/ANI/AgNWs precursor solution.
(2) preparation of the orderly precursor fiber of polyacrylonitrile/aniline/silver nanowires
After rubber substrate is pre-stretched 300%, it is fixed on metal and receives on roller.It is spun using electrostatic spinning apparatus
Silk, receiving distance is 10cm, and operating voltage is positive pressure, the negative pressure of 1kV of 18kV, and pushing away speed is 0.01mL/min, and roller revolving speed is
1000rpm, the control of spinning time are 30min, and fiber thickness is controlled in 1200nm；By what is prepared on pre-stretching rubber substrate
PAN/ANI/AgNWs composite nano fiber is removed from roller, and rubber substrate is fixed on glass with fixture according to pre-stretched length
On glass, it is placed in drying in vacuum oven, it is spare.
(3) the orderly oxidation polymerization of precursor fiber
It will be adhered to the PAN/ANI/AgNWs composite fibre on pre-stretching rubber substrate, is put into beaker, uses deionized water
Impregnate 15min；9g ammonium persulfate (APS) is weighed, is dissolved in 13mL deionized water, APS solution is obtained；Take out the sample after impregnating
Product drop evenly APS solution on PAN/ANI ordered fiber, and then sample is put into refrigerator for 24 hours, and temperature is maintained at 3~
4℃；Sample is cleaned by ultrasonic repeatedly with deionized water again, remove fiber on remaining APS solution, then with dehydrated alcohol into
Row is cleaned by ultrasonic repeatedly, removes remaining ANI on fiber, and sample is finally placed drying at room temperature 12h in a vacuum drying oven, is obtained
Obtain PAN/PANI/AgNWs composite nano fiber.
(4) stretchable polyacrylonitrile/polyaniline/argentum nano line composite nano fiber.
The rubber for being stained with PAN/PANI/AgNWs composite nano fiber is removed from glass, restores former long, forms pleat
Wrinkle structure, that is, be prepared for stretchable PAN/PANI/AgNWs composite nano-fiber material.The material can in pre-stretching range
Realization stretches repeatedly, and in drawing process, the resistance change rate of fiber is maintained in 2%；The sample is used for electromagnetic shielding material, electricity
Magnetic disturbance shield effectiveness is up to 14dB.
Claims (5)
1. a kind of preparation method of Stretchable polymeric composite material, which is characterized in that specific step is as follows:
(1) preparation of electrostatic spinning precursor solution
Polyacrylonitrile is dissolved in n,N-Dimethylformamide (DMF), continuously stirs obtained electrostatic spinning at room temperature
Stoste；Aniline (ANI) is slowly added into electrostatic spinning raw material solution and obtains final electrostatic spinning precursor solution；
(2) preparation of complex ordered precursor tunica fibrosa
After rubber substrate prestretching is extended to former long 200%-400%, it is fixed on metal and receives on roller, i.e., in the rubber of pre-stretching
On matrix body, using electrostatic spinning technique, orderly aniline/polyacrylonitrile composite nano fiber is prepared；It will be in pre-stretching rubber lining
Orderly aniline/polyacrylonitrile the composite nano fiber prepared on bottom is removed from roller, will be stained with orderly aniline/polyacrylonitrile
The rubber of composite nano fiber is fixed on glass according to pre-stretched length with fixture, is placed in drying in vacuum desiccator, spare；
(3) oxidation polymerization of precursor fiber
After the orderly aniline/polyacrylonitrile composite nano fiber being adhered on pre-stretching rubber substrate is impregnated with deionized water,
Ammonium persulfate solution is dropped evenly on orderly aniline/polyacrylonitrile composite nano fiber, then sample is put into refrigerator
After take out, clean, dry；
(4) preparation of Stretch material
Polyacrylonitrile/polyaniline composite nano fiber rubber substrate will be stained with to take off from glass, loosened, rubber substrate is extensive
After restoring length, composite fibre forms pleated structure, and Stretchable polymeric composite material is made；
In step (1), before aniline is added, carbon nanotube (CNTs) dispersion liquid first is added into electrostatic spinning raw material solution or silver is received
Rice noodles；The ratio of n,N-Dimethylformamide, polyacrylonitrile, carbon nano tube dispersion liquid and aniline are as follows: 10ml:1.35g:10mL:
12.5mL, the mass fraction of carbon nano tube dispersion liquid are 70-80 ‰；N,N-Dimethylformamide, polyacrylonitrile, silver nanowires
With the ratio of aniline are as follows: 10mL: 1.35g:5mL: 12.5mL；
In step (2), the technological parameter of electrostatic spinning are as follows: operating voltage is positive pressure, the negative pressure of 1-2kV of 15-18kV, and pushing away speed is
0.005-0.01mL/min, roller revolving speed are 1000-5000rpm；
In step (2), fiber thickness is controlled in 500-2000nm.
2. a kind of preparation method of Stretchable polymeric composite material as described in claim 1, which is characterized in that step (1)
In, the ratio of n,N-Dimethylformamide, polyacrylonitrile and aniline are as follows: 10mL: 1.35g:12.5mL；Continuously stir finger magnetic
Power blender continuously stirs 12 hours.
3. a kind of preparation method of Stretchable polymeric composite material as described in claim 1, which is characterized in that step (1)
In, aniline (ANI) is slowly added into electrostatic spinning raw material solution, after every addition 1mL aniline, magnetic agitation 10min is needed, works as benzene
After amine is all added, need to be stirred for 3 hours.
4. a kind of preparation method of Stretchable polymeric composite material as described in claim 1, which is characterized in that step (3)
In, it is 15min with the time that deionized water is impregnated；The ratio of ammonium persulfate and deionized water is 9g in ammonium persulfate solution:
13mL ；Refrigerator temperature is 3~4 DEG C, and standing time is for 24 hours；Cleaning refers to first to be cleaned by ultrasonic with deionized water repeatedly, is removed
Remaining ammonium persulfate solution on fiber, then be cleaned by ultrasonic repeatedly with dehydrated alcohol, remove remaining aniline on fiber；It is dry
Sample is placed drying at room temperature 12h in a vacuum drying oven by dry refer to.
5. Stretchable polymeric composite material prepared by the preparation method as described in claim 1-4 is any is preparing stretchable electrostatic
Purposes in terms of shielding material.
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| CN112900080B (en) * | 2021-02-03 | 2021-12-28 | 西安交通大学 | A kind of composite nanofiber membrane and preparation method of flexible strain sensor |
| CN112980126B (en) * | 2021-02-22 | 2022-12-02 | 青岛科技大学 | Self-repairing stretchable electrode and preparation method and application thereof |
| CN113782278B (en) * | 2021-09-16 | 2022-12-02 | 北京科技大学 | Preparation method of fiber-based anisotropic stretchable conductor |
| CN115012122A (en) * | 2022-06-17 | 2022-09-06 | 华南理工大学 | Hydrophobic optical functional polymer composite fiber membrane and preparation method and application thereof |
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| CN105542157B (en) * | 2015-12-22 | 2018-03-02 | 温州大学 | A kind of method that cladding process prepares polyaniline/argentum nano material |
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