CN104774432B - A kind of poly- 3 hexyl thiophenes/carbon nano tube compound material and preparation method - Google Patents
A kind of poly- 3 hexyl thiophenes/carbon nano tube compound material and preparation method Download PDFInfo
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Abstract
The invention discloses a kind of poly- 3 hexyl thiophenes/carbon nano tube compound material and preparation method.Contain poly- 3 hexyl thiophene 30wt% to 80wt% and dispersed CNT 1wt% to 15wt% in the composite, the CNT pattern is complete, its diameter is in 40nm between 60nm, for its length between 5 μm to 15 μm, the carbon nano tube surface is coated with thickness in 3nm to poly- 3 hexyl thiophene between 10nm.Its preparation method comprises the following steps：(1) poly- 3 hexyl thiophene and heavy polymer are dispersed in organic solvent；(2) CNT is dispersed in step (1) in obtained poly- 3 hexyl thiophenes/heavy polymer mixed solution using high-energy ultrasound；(3) casting or spinning moulding, that is, obtain the poly- 3 hexyl thiophenes/carbon nano tube compound material.Composite provided by the invention, wherein CNT pattern are complete and are uniformly dispersed, and achieve the combination properties such as good electricity, mechanics and heat conduction.
Description
Technical field
The invention belongs to field of compound material, more particularly, to a kind of poly- 3- hexyl thiophenes/carbon nano tube compound material
And preparation method.
Background technology
Poly- 3- hexyl thiophenes are because its excellent electro-optical properties, environmental stability and resolvability are in solar cell, electroluminescent
The fields such as Electrochromic device, chemical sensor, electromagnetic shielding material have wide application prospect.On the other hand, CNT is because of it
Excellent mechanical performance, heat conductivility and electric property, turn into the excellent filler of function or structural composite material.With CNT
It is compound to have been used for improving the characteristics such as carrier mobility, the electricity conversion of poly- 3- hexyl thiophenes film.
However, due to stronger Van der Waals force between CNT be present, CNT would generally because occur to reunite without
It can be well dispersed in composite, cause electric property, mechanical property and the heat conductivility of composite undesirable.If adopt
The dispersiveness of CNT is improved with strong chemistry or physical means, then can cause the appearance structure of CNT by broken
It is bad, influence electric property, mechanical property and the heat conductivility of composite.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of poly- 3- hexyl thiophenes/carbon nanometer
Pipe composite and preparation method, its object is to the method coated by high-energy ultrasonic and poly- 3- hexyl thiophenes, prepare carbon and receive
The composite that mitron pattern is complete, is evenly distributed, thus solves existing poly- 3- hexyl thiophenes and the compound skill of CNT
Art problem.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of poly- 3- hexyl thiophenes/CNT is multiple
Condensation material, contain poly- 3- hexyl thiophenes 30wt% to 80wt% and dispersed CNT in the composite
1wt% to 15wt%, the CNT pattern is complete, its diameter in 40nm between 60nm, its length 5 μm to 15 μm it
Between, the carbon nano tube surface is coated with thickness in 3nm to the poly- 3- hexyl thiophenes between 10nm.
Preferably, the poly- 3- hexyl thiophenes/carbon nano tube compound material, its CNT are multi-walled carbon nanotube.
Preferably, the poly- 3- hexyl thiophenes/carbon nano tube compound material, its poly- 3- hexyl thiophenes steric regularity are more than
90%, number-average molecular weight is between 40000 to 75000.
Preferably, the poly- 3- hexyl thiophenes/carbon nano tube compound material, its described composite are composite membrane or multiple
Condensating fiber.
It is another aspect of this invention to provide that provide the preparation side of the poly- 3- hexyl thiophenes/carbon nano tube compound material
Method, comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration in 0.2wt% between 10wt%, HMW
Polymer concentration is in 0.2wt% between 2wt%；
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 1wt% to 15wt%, and high-energy ultrasonic wave power is 300-500W, and often work 3-5s intervals 1-3s, ultrasound
5-20min；
(3) by the casting of obtained poly- 3- hexyl thiophenes/CNT in step (2)/heavy polymer dispersion liquid or
Person's spinning moulding, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Preferably, the preparation method, its described heavy polymer are polyethylene glycol oxide, poly-methyl methacrylate
One kind in ester, polycaprolactone.
Preferably, the preparation method, its described organic solvent be chloroform, chlorobenzene, tetrahydrofuran, o-dichlorohenzene, to two
One kind or two kinds of mixtures in chlorobenzene.
Preferably, the preparation method, its described CNT are multi-walled carbon nanotube, its diameter 40nm to 60nm it
Between, its length is between 5 μm to 15 μm.
Preferably, the preparation method, its described poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid,
Wherein CNT is separated from each other.
Preferably, the preparation method, its step (3) by obtained poly- 3- hexyl thiophenes/CNT in step (2)/
Heavy polymer dispersion liquid spinning moulding, spinning moulding condition are as follows：Electrostatic pressure scope is 5kV to 20kV；Syringe pump is defeated
Transmission rate is 0.02mL/min to 5mL/min；The reception distance of collector is 5cm to 20cm.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) poly- 3- hexyl thiophenes/carbon nano tube compound material provided by the invention, wherein CNT pattern are complete and divide
Dissipate uniformly, achieve the combination properties such as good electricity, mechanics and heat conduction.
(2) poly- 3- hexyl thiophenes/carbon nano tube compound material provided by the invention, can be that composite membrane or compound fibre is made
Dimension, is particularly suitable as composite fibre, further improves its specific surface area, photoelectric properties and mechanical property etc.；
(3) poly- 3- hexyl thiophenes/carbon nano tube compound material preparation method provided by the invention, develops a set of high energy and surpasses
The process for dispersing of sound intermittent work, and the series of parameters of the high-energy ultrasonic method is obtained by many experiments, including it is super
Acoustical power, working time, interval time, total sonication time, on the premise of the pattern for ensureing CNT is not destroyed, bag
Cover poly- 3- hexyl thiophenes and dispersed.
(4) poly- 3- hexyl thiophenes/carbon nano tube compound material preparation method provided by the invention, it is compound to be especially suitable for making
Fiber, the viscosity of poly- 3- hexyl thiophenes solution is improved using polyethylene glycol oxide；Poly- 3- hexyl thiophenes and carbon nanometer are utilized simultaneously
π-π interactions between pipe, prevent the winding of CNT.
Brief description of the drawings
Fig. 1 is the deployment conditions of untreated CNT in the solution；
Fig. 2 is pattern of the CNT in poly- 3- hexyl thiophenes solution after supersound process；
Fig. 3 and Fig. 4 is deployment conditions of the CNT in poly- 3- hexyl thiophenes solution after supersound process；
Fig. 5 is complex fiber material prepared by electrostatic spinning.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
Poly- 3- hexyl thiophenes/carbon nano tube compound material provided by the invention, containing poly- 3- hexyl thiophenes 30wt% extremely
80wt% and dispersed CNT 1wt% to 15wt%, the CNT pattern is complete, its diameter in 40nm extremely
Between 60nm, for its length between 5 μm to 15 μm, the carbon nano tube surface is coated with thickness in 3nm to gathering between 10nm
3- hexyl thiophenes.The CNT is preferably multi-walled carbon nanotube, and the poly- 3- hexyl thiophenes steric regularity is more than 90%,
Number-average molecular weight is between 40000 to 75000.Composite is composite membrane or composite fibre.
Poly- 3- hexyl thiophenes/carbon nano tube compound material provided by the invention, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration in 0.2wt% between 10wt%, HMW
Polymer concentration is in 0.2wt% between 2wt%.The heavy polymer is polyethylene glycol oxide, poly-methyl methacrylate
One kind in ester, polycaprolactone.The organic solvent is one in chloroform, chlorobenzene, tetrahydrofuran, o-dichlorohenzene, paracide
Kind or two kinds of mixtures.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 1wt% to 15wt%, and high-energy ultrasonic wave power is 300-500W, and often work 5-3s intervals 3-1s, ultrasound
5-20min.The CNT is multi-walled carbon nanotube, its diameter in 40nm between 60nm, its length 5 μm to 15 μm it
Between.High-energy ultrasonic causes the poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid, wherein CNT phase
Mutually separation, as shown in figure 1, reunion form is presented in original carbon nanotubes in the solution；However, as shown in Figure 2, Figure 3 and Figure 4, by
π-π interactions between poly- 3- hexyl thiophenes and CNT, are subject to the appropriate auxiliary of high-energy ultrasound, CNT table
Face has successfully coated one layer of more uniform poly- 3- hexyl thiophene, reduces the interaction force between CNT, is not destroying
Presented on the premise of form and be separated from each other state.
(3) by the casting of obtained poly- 3- hexyl thiophenes/CNT in step (2)/heavy polymer dispersion liquid or
Person's spinning moulding, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Compared to poly- 3- hexyl thiophenes film, the fiber of its one-dimentional structure has anisotropy and Geng Gao specific surface area, can
Hope and assign the more excellent photoelectric properties of poly- 3- hexyl thiophenes material and mechanical strength.By the regulation and control of fibre structure and pattern,
The structure and patterning of fiber mesh, poly- 3- hexyl thiophenes performance optimization can be achieved.The poly- 3- hexyl thiophenes/compound fibre of CNT
Dimension has component performance and the advantage of fibre structure concurrently, turns into the material of great application potential.When the composite is compound fibre
It is as follows using spinning moulding, actual conditions during dimension：
Electrostatic pressure scope is 5kV to 20kV；Syringe pump transfer rate is 0.02mL/min to 5mL/min；Collector connects
It is 5cm to 20cm to receive distance.
It is embodiment below：
Embodiment 1
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, containing poly- 3- hexyl thiophenes 47.5wt% and uniformly point
Scattered CNT 5wt%, the CNT pattern is complete, and its diameter is between 40nm-60nm, and its length is at 5 μm -15 μm
Between, the carbon nano tube surface is coated with the poly- 3- hexyl thiophenes that average thickness is 5nm.The CNT is preferably more walls
CNT, the poly- 3- hexyl thiophenes steric regularity are 98%, number-average molecular weight 54000-75000.Composite is
Composite membrane.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 1wt%, heavy polymer concentration is
1wt%.The heavy polymer is polyethylene glycol oxide.The organic solvent is chloroform.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 5wt%, and high-energy ultrasonic wave power is 300W, 3 seconds interval 1s of ultrasound, operates 10min.High-energy ultrasonic causes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid, wherein CNT is separated from each other, such as Fig. 2 and figure
Shown in 3, carbon nano tube surface has coated one layer of uniform poly- 3- hexyl thiophene, is on the premise of not destroying carbon nanometer tube form
Now it is separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is cast into
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Tensile strength, modulus of elasticity and the electric conductivity of the poly- 3- hexyl thiophenes/carbon nano tube compound material relatively adulterate
All it is significantly increased before CNT, as shown in table 1.
Embodiment 2
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, contain poly- 3- hexyl thiophenes 45wt% and dispersed
CNT 10wt%, the CNT pattern is complete, its diameter between 40-60nm, its length between 5 and 15 mum,
The carbon nano tube surface is coated with the poly- 3- hexyl thiophenes that average thickness is 7nm.The CNT is preferably that more wall carbon are received
Mitron, the poly- 3- hexyl thiophenes steric regularity are 98%, and number-average molecular weight is between 54000 to 75000.Composite is
Composite membrane.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 0.2wt%, heavy polymer concentration is
0.2wt%.The heavy polymer is polyethylene glycol oxide.The organic solvent is chloroform.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 10wt%, and high-energy ultrasonic wave power is 360W, and often work 5s intervals 3s, operates 10min.High-energy ultrasonic makes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein CNT is separated from each other, such as Fig. 4 institutes
Show, presented on the premise of not damage -form and be separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is cast into
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Tensile strength, modulus of elasticity and the electric conductivity of the poly- 3- hexyl thiophenes/carbon nano tube compound material relatively adulterate
All it is significantly increased before CNT, as shown in table 1.
Embodiment 3
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, containing poly- 3- hexyl thiophenes 42.5wt% and uniformly point
Scattered CNT 15wt%, the CNT pattern is complete, its diameter in 40nm between 60nm, its length at 5 μm extremely
Between 15 μm, the carbon nano tube surface is coated with poly- 3- hexyl thiophene of the average thickness between 3nm.The CNT is excellent
Elect multi-walled carbon nanotube as, the poly- 3- hexyl thiophenes steric regularity is 98%, number-average molecular weight 54000 to 75000 it
Between.Composite is composite membrane.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 2wt%, heavy polymer concentration is
2wt%.The heavy polymer is polyethylene glycol oxide.The organic solvent is chloroform.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 15wt%, and high-energy ultrasonic wave power is 500W, and often work 5s intervals 3s, operates 15min.High-energy ultrasonic makes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein CNT is separated from each other, do not broken
Presented on the premise of bad form and be separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is cast into
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Tensile strength, modulus of elasticity and the electric conductivity of the poly- 3- hexyl thiophenes/carbon nano tube compound material relatively adulterate
All it is significantly increased before CNT, as shown in table 1.
Embodiment 4
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, containing poly- 3- hexyl thiophenes 49.5wt% and uniformly point
Scattered CNT 1wt%, the CNT pattern is complete, and its diameter is in 40nm between 60nm, and its length is at 5 μm to 15
Between μm, the carbon nano tube surface is coated with the poly- 3- hexyl thiophenes that average thickness is 6nm.The CNT is preferably more
Wall carbon nano tube, the poly- 3- hexyl thiophenes steric regularity are 90%, and number-average molecular weight is between 40000 to 60000.It is compound
Material is composite fibre.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 0.5wt%, heavy polymer concentration is
0.5wt%.The heavy polymer is polyethylene glycol oxide.The organic solvent is mass ratio 4:1 chloroform/chlorobenzene mixing
Thing.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 1wt%, and high-energy ultrasonic wave power is 360W, and often work 5s intervals 2s, operates 5min.High-energy ultrasonic causes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid, wherein CNT are separated from each other, not destroyed
Presented on the premise of form and be separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is spun to
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Spinning moulding comprises the following steps that：
Poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid obtained above is transferred in syringe
Electrostatic spinning is carried out, regulation electrostatic pressure is 5kV, and syringe pump transfer rate is 0.02mL/min, and it is 5cm that collector, which receives distance,.
After the poly- 3- hexyl thiophenes composite fibre metal spraying being collected into ESEM (SEM) will be used to observe.Can from SEM (Fig. 5)
With find out fiber morphology preferably and diameter distribution uniform.
Embodiment 5
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, contain poly- 3- hexyl thiophenes 30wt% and dispersed
CNT 8wt%, the CNT pattern is complete, and its diameter is in 40nm between 50nm, and its length is at 5 μm to 10 μm
Between, the carbon nano tube surface is coated with the poly- 3- hexyl thiophenes that average thickness is 4nm.The CNT is preferably more walls
CNT, the poly- 3- hexyl thiophenes steric regularity are 95%, and number-average molecular weight is between 50000 to 75000.Composite wood
Expect for composite fibre.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 0.48wt%, heavy polymer concentration is
1wt%.The heavy polymer is polycaprolactone.The organic solvent is mass ratio 4:1 tetrahydrofuran/o-dichlorohenzene
Mixture.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 8wt%, and high-energy ultrasonic wave power is 360W, and often work 5s intervals 3s, operates 20min.High-energy ultrasonic makes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein CNT is separated from each other, do not broken
Presented on the premise of bad form and be separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is spun to
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Spinning moulding comprises the following steps that：
Poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid obtained above is transferred in syringe
Electrostatic spinning is carried out, regulation electrostatic pressure is 20kV, and syringe pump transfer rate is 5mL/min, and it is 10cm that collector, which receives distance,.
Embodiment 6
A kind of poly- 3- hexyl thiophenes/carbon nano tube compound material, contain poly- 3- hexyl thiophenes 80wt% and dispersed
CNT 4wt%, the CNT pattern is complete, and its diameter is in 40nm between 60nm, and its length is at 5 μm to 15 μm
Between, the carbon nano tube surface is coated with the poly- 3- hexyl thiophenes that average thickness is 10nm.The CNT is preferably more
Wall carbon nano tube, the poly- 3- hexyl thiophenes steric regularity are 92%, and number-average molecular weight is between 45000 to 60000.It is compound
Material is composite fibre.
The poly- 3- hexyl thiophenes/carbon nano tube compound material, its preparation method comprise the following steps：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyls thiophene
Fen/heavy polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration is 10wt%, heavy polymer concentration is
2wt%.The heavy polymer is polymethyl methacrylate.The organic solvent is mass ratio 4:1 chloroform/to two
Chlorobenzene mixtures.
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/high score obtained in step (1) using high-energy ultrasound
In sub- weight polymers mixed solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid is obtained, wherein carbon is received
The addition of mitron is 4wt%, and high-energy ultrasonic wave power is 400W, and often work 5s intervals 3s, operates 8min.High-energy ultrasonic causes
The poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid, wherein CNT are separated from each other, not destroyed
Presented on the premise of form and be separated from each other state.
(3) obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid in step (2) is spun to
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
Spinning moulding comprises the following steps that：
Poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid obtained above is transferred in syringe
Electrostatic spinning is carried out, regulation electrostatic pressure is 18kV, and syringe pump transfer rate is 0.2mL/min, and it is 20cm that collector, which receives distance,.
The related performance indicators of 1 material of the present invention of table
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (6)
1. a kind of preparation method of poly- 3- hexyl thiophenes/carbon nano tube compound material, it is characterised in that contain in the composite
There are poly- 3- hexyl thiophenes 30wt% to 80wt% and dispersed CNT 1wt% to 15wt%, the CNT
Pattern is complete, and its diameter is in 40nm between 60nm, and between 5 μm to 15 μm, the carbon nano tube surface is coated with its length
Thickness comprises the following steps in 3nm to the poly- 3- hexyl thiophenes between 10nm, the preparation method of the composite：
(1) poly- 3- hexyl thiophenes and heavy polymer are dispersed in organic solvent, obtain poly- 3- hexyl thiophenes/height
Polydispersity polymer mixed solution, wherein poly- 3- hexyl thiophenes concentration in 0.2wt% between 10wt%, heavy polymer
Concentration is in 0.2wt% between 2wt%；
(2) CNT is dispersed in the poly- 3- hexyl thiophenes/HMW obtained in step (1) using high-energy ultrasound
In mixed with polymers solution, poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid, wherein CNT is obtained
Addition be 1wt% to 15wt%, high-energy ultrasonic wave power is 300-500W, and often work 3-5s intervals 1-3s, ultrasonic 5-
20min；
(3) by obtained poly- 3- hexyl thiophenes/CNT/heavy polymer dispersion liquid electrostatic spinning in step (2) into
Type, that is, obtain the poly- 3- hexyl thiophenes/carbon nano tube compound material.
2. preparation method as claimed in claim 1, it is characterised in that the heavy polymer is polyethylene glycol oxide, gathered
One kind in methyl methacrylate, polycaprolactone.
3. preparation method as claimed in claim 1, it is characterised in that the organic solvent be chloroform, chlorobenzene, tetrahydrofuran,
One kind or two kinds of mixtures in o-dichlorohenzene, paracide.
4. preparation method as claimed in claim 1, it is characterised in that the CNT is multi-walled carbon nanotube, its diameter
In 40nm between 60nm, its length is between 5 μm to 15 μm.
5. preparation method as claimed in claim 1, it is characterised in that the poly- 3- hexyl thiophenes/CNT/HMW
Polymer dispersion liquid, wherein CNT are separated from each other.
6. preparation method as claimed in claim 1, it is characterised in that step (3) is by obtained poly- 3- hexyls thiophene in step (2)
Fen/CNT/heavy polymer dispersion liquid electrostatic spinning shaping, electrostatic spinning condition of molding are as follows：Electrostatic pressure scope
For 5kV to 20kV；Syringe pump transfer rate is 0.02mL/min to 5mL/min；The reception distance of collector is 5cm to 20cm.
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| KR102319360B1 (en) | 2017-09-28 | 2021-10-29 | 주식회사 엘지화학 | Electrochromic complex, electrochromic device containing the same and manufacturing method of the electrochromic device |
| WO2019066553A2 (en) * | 2017-09-28 | 2019-04-04 | 주식회사 엘지화학 | Electrochromic composite, electrochromic element comprising same, and manufacturing method for electrochromic element |
| CN109517345B (en) * | 2018-11-12 | 2020-11-10 | 深圳烯湾科技有限公司 | Multi-walled carbon nanotube bonded poly (3-hexylthiophene) material and preparation method thereof |
| CN112852065B (en) * | 2021-01-14 | 2024-04-02 | 安徽大学 | CNTs composite material and preparation method and application thereof |
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