CN107057261B - Copper nano-wire-polymer composites and preparation method thereof - Google Patents
Copper nano-wire-polymer composites and preparation method thereof Download PDFInfo
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- CN107057261B CN107057261B CN201710037412.6A CN201710037412A CN107057261B CN 107057261 B CN107057261 B CN 107057261B CN 201710037412 A CN201710037412 A CN 201710037412A CN 107057261 B CN107057261 B CN 107057261B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention provides a kind of preparation methods of copper nano-wire-polymer composites, comprising the following steps: dissolves a polymer in the first organic solvent and forms polymer solution；Copper nano-wire raw material is added in the second organic solvent, lactic acid is added after ultrasonic disperse, filters after oscillation treatment, is then washed with isopropanol, obtains clean copper nano-wire；The copper nano-wire is put into vacuum oven, heat drying processing；The copper nano-wire after drying is added in the polymer solution, successively through batch mixer, disperser, batch mixer decentralized processing, obtains copper nano-wire-mixed with polymers solution；The copper nano-wire-mixed with polymers solution is heated, copper nano-wire-polymer composites are obtained.
Description
Technical field
The invention belongs to field of compound material more particularly to a kind of copper nano-wire-polymer composites and its preparation sides
Method.
Background technique
In recent years, copper nano-wire is due to conductive good (5.96 × 107S m-1), rich reserves (containing in the earth's crust
Amount be silver 1000 times), (Cu:$ 9/kg, Ag:$ 1000/kg) at low cost the advantages that receive more and more attention, become nanometer
The most potential conductive and heat-conductive primitive in composite material, smart electronics material, wearable material, flexible electronic device field.
Polymer material has excellent draftability and flexibility.How copper nano-wire and polymer material to be combined, conducing composite material,
And be applied to nanocomposite, smart electronics material, Heat Conduction Material, wearable material, flexible electronic device field are
Current facing challenges.
Existing copper nano-wire flexible conducting material, mostly uses two methods to prepare greatly.Three-dimensional structure is constructed first is that taking
Method preparation；Another kind is that first suction filtration prepares copper nano-wire conductive film, after be transferred on polymer.But first method
It is evenly dispersed in the polymer to be difficult to realize copper nano-wire, and second method cannot form copper nano-wire-polymer composite
Material, obtained flexible conducting material conductivity is low, poor flexibility.Therefore, how that copper nano-wire is evenly dispersed in the polymer, system
Copper nano-wire base flexible conducting material for highly conductive, high resiliency, high anti-oxidation is still current facing challenges.
Summary of the invention
The purpose of the present invention is to provide a kind of copper nano-wire-polymer composites and preparation method thereof, it is intended to solve
The problem of copper nano-wire based conductive composite material conductivity is low, poor flexibility.
The invention is realized in this way a kind of preparation method of copper nano-wire-polymer composites, including following step
It is rapid:
It dissolves a polymer in the first organic solvent and forms polymer solution；
Copper nano-wire raw material is added in the second organic solvent, lactic acid is added after ultrasonic disperse, is filtered after oscillation treatment, so
It is washed afterwards with isopropanol, obtains clean copper nano-wire；The copper nano-wire is put into vacuum oven, at heat drying
Reason；
The copper nano-wire after drying is added in the polymer solution, successively through batch mixer, disperser, batch mixer
Decentralized processing obtains copper nano-wire-mixed with polymers solution；
The copper nano-wire-mixed with polymers solution is heated, copper nano-wire-polymer composite is obtained
Material.
And a kind of copper nano-wire-polymer composites, the copper nano-wire-polymer composites are by above-mentioned side
Method prepares, including copper nano-wire and polymer.
The preparation method of copper nano-wire-polymer composites provided by the invention first removes copper using lactic acid treatment and receives
The oxide and remaining organic matter on rice noodles raw material surface, improve the inoxidizability and electric conductivity of copper nano-wire；Then copper is received
After rice noodles are mixed with polymer solution, pass through special dispersing method (batch mixer-triple dispersions of disperser-batch mixer) Jiang Tongna
Rice noodles are evenly dispersed in the polymer, effectively improve the elasticity and electric conductivity of composite conducting material.
Copper nano-wire-polymer composites provided by the invention, the feature flexible, conductivity is high, can be used in making
Standby flexible conducting material, is widely used in flexible device field.
Detailed description of the invention
Fig. 1 is copper nano-wire-polymer composites SEM figure that the embodiment of the present invention 1 provides；
Fig. 2 is copper nano-wire-polymer composites SEM figure that the embodiment of the present invention 2 provides；
Fig. 3 is copper nano-wire-polymer composites SEM figure that the embodiment of the present invention 3 provides；
Fig. 4 is copper nano-wire-polymer composites SEM figure that the embodiment of the present invention 4 provides；
Fig. 5 is copper nano-wire-polymer composites electric performance test figure that the embodiment of the present invention 3 provides.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
The embodiment of the invention provides a kind of preparation methods of copper nano-wire-polymer composites, comprising the following steps:
S01. it dissolves a polymer in the first organic solvent and forms polymer solution；
S02. copper nano-wire raw material is added in the second organic solvent, lactic acid is added after ultrasonic disperse, is taken out after oscillation treatment
Filter, is then washed with isopropanol, obtains clean copper nano-wire；The copper nano-wire is put into vacuum oven, heating is dry
Dry processing；
S03. the copper nano-wire after drying is added in the polymer solution, successively through batch mixer, disperser, mixed
Material machine decentralized processing obtains copper nano-wire-mixed with polymers solution；
S04. the copper nano-wire-mixed with polymers solution is heated, it is compound obtains copper nano-wire-polymer
Material.
Specifically, in above-mentioned steps S01, the polymer is dissolved in the first organic solvent to form uniform polymer molten
Liquid.In the embodiment of the present invention, for dissolving the first organic solvent of the polymer, simultaneously for dividing in following step S03
The copper nano-wire is dissipated, and is removed in subsequent heat processing step.As a preferred embodiment, first organic solvent is three
At least one of chloromethanes, N,N-dimethylformamide, ethyl alcohol, isopropanol.The boiling point of preferred first organic solvent
It is relatively low, on the one hand, to be conducive to its removal during subsequent heat；On the other hand, preferred described first is organic molten
Agent will not accelerate the oxidation of the copper nano-wire because temperature when removing organic solvent is excessively high, and then influence obtained copper nanometer
Line-polymer composites quality.As further preferred embodiments, first organic solvent is chloroform, N, N-
At least one of dimethylformamide.
In the embodiment of the present invention, the polymer be preferably but not limited to Styrene-Butadiene-Styrene Block Copolymer,
At least one of polyurethane, dimethyl silicone polymer, more preferably Styrene-Butadiene-Styrene Block Copolymer, poly- ammonia
Ester.The preferred polymer, can preferably be dissolved in the relatively low solvent of boiling point such as chloroform, N, N- dimethyl methyl
In amide, to have preferable solubility property, further and evenly dispersed composite material is formed with the copper nano-wire.
Further, in the polymer solution, the additive amount of first organic solvent needs to meet can be preferable
The dissolution polymer, normally, the mass ratio of the polymer and first organic solvent 0.0001:1-4:1 it
Between, it is able to satisfy polymer solution requirement of the embodiment of the present invention, concretely 1:1,2:1,3:1,4:1.Preferably, the polymerization
The mass ratio of object and first organic solvent is 1:9-3:2.The preferred polymer and first organic solvent
Mass ratio, can not only guarantee the dissolubility of polymer, and be capable of providing suitable polymer concentration, be conducive to the copper and receive
The dispersion of rice noodles.
In above-mentioned steps S02, copper nano-wire raw material is added in the second organic solvent, copper nano-wire raw material described herein
Refer to the copper nano-wire raw material without cleaning treatment.The diameter of the copper nano-wire is 10-500nm, specific such as 10nm, 50nm,
100nm, 150nm, 200nm, 250nm, 300nm, 350nm, 400nm, 500nm, length are 5 μm of -1cm, specific such as 10 μm, 20 μ
m,50μm,80μm,100μm,120μm,150μm,180μm,200μm.Preferably, the diameter of the copper nano-wire is 30-
300nm, length are 10-500 μm, which is conducive to improve its dispersing uniformity in the composite.
The selection of second organic solvent does not limit explicitly, only need to be able to be by the copper nano-wire stock dispersion
It can.The dosage of second organic solvent meets: the mass ratio of the copper nano-wire raw material and second organic solvent is 1:
20-1:50000, concretely 1:100,1:1000,1:2000,1:3000,1:40000, enable the copper nano-wire raw material
Enough it is uniformly dispersed, it is preferred that the mass ratio of the copper nano-wire raw material and second organic solvent is 1:100-1:4000, from
And under the premise of guaranteeing that the copper nano-wire stock dispersion is uniform, the efficiency for improving ultrasonic disperse, acid processing, filtering, meanwhile,
The dosage of lactic acid in acidization is reduced, and improves sour treatment effect.
In the embodiment of the present invention, the time of the ultrasonic disperse be may be provided between 0.1-600min, it is preferred that described super
The time of sound dispersion is 1-60min, and preferable ultrasonic disperse effect can be realized, thus be ready for subsequent acid processing,
Concretely 1min, 10min, 20min, 30min, 40min, 50min, 60min.
In the step, lactic acid is added in the dispersion liquid of copper nano-wire raw material and carries out sour processing, to effectively remove described
Copper nano-wire raw material oxide remained on surface and organic matter improve the purity of copper nano-wire, and then improve the anti-of copper nano-wire
Oxidisability and electric conductivity.
In the embodiment of the present invention, the mass ratio of the copper nano-wire raw material and the lactic acid is that 5:1-1:200 can meet
The embodiment of the present invention requires, concretely 5:1,1:50,1:100,1:200.Preferably, the copper nano-wire raw material and the cream
The mass ratio of acid is 1:2-1:100.The preferred ratio, it is ensured that the lactic acid can sufficiently, efficiently remove the copper
Nano wire raw material oxide remained on surface and organic matter, and not will cause excess waste.
Concussion processing is carried out after the lactic acid is added, the time of the concussion processing does not limit strictly, such as 0.1-60min
Inside, such as 0.1min, 10min, 20min, 30min, 40min, 50min, 60min, preferably 0.05-3min.
Concussion treated dispersion liquid is subjected to filtering and washing processing, it is preferred that filtering and washing method are as follows: fall dispersion liquid
Enter Suction filtration device, vacuum filtration to solvent is drained, and isopropanol washing is then added several times, residual to remove the copper nano-wire surface
Organic solvent, lactic acid or other substances stayed.Preferably, the isopropanol washing times are 1-10 times, 1-4 times more preferable.
Will by filtering and washing, treated that the copper nano-wire is put into vacuum oven, heat drying processing, into one
Step removes the copper nano-wire surface solvent.The temperature of heat drying of the embodiment of the present invention can be 20-200 DEG C, such as 20 DEG C, 40
DEG C, 80 DEG C, 1200 DEG C, 160 DEG C, 200 DEG C, heating time can be 1-2880min, as 1min, 100min, 500min,
1200min,1800min,2880min.Preferably, the temperature of the heat drying processing is 30-100 DEG C, time 120-
1200min, to avoid other solvents are introduced, influences the formation of subsequent mixed solution to guarantee preferable drying effect.
In above-mentioned steps S03, the copper nano-wire after drying is added in the polymer solution, it is preferred that described
The additive amount of copper nano-wire meets: the mass ratio of polymer is 0.1:9.9-9 in the copper nano-wire and the polymer solution:
1, and can be adjusted in the range, concretely 1:9,2:8,3:7,4:6,1:1,6:4,7:3,8:2,9:1.When the copper
When nano wire content is more, the electric conductivity of composite material is relatively more preferable, but elongation at break, toughness relative reduction；When described poly-
When conjunction object content is more, composite material has preferable elongation at break and toughness, but electric conductivity relative reduction.It is furthermore preferred that
The mass ratio of polymer is 1:1-1:5 in the copper nano-wire and the polymer solution, has both preferable flexibility to obtain
With copper nano-wire-polymer composites of electric conductivity.
Since the dispersion performance of the copper nano-wire itself is very poor, and the copper nano-wire after filtering drying is in bulk, into
One step increases the dispersion difficulty of copper nano-wire.In the embodiment of the present invention, the polymer solution is added in the copper nano-wire
Special decentralized processing is carried out afterwards, specifically, by dispersion liquid successively through batch mixer, disperser, batch mixer decentralized processing, it will be described
Copper nano-wire is fully dispersed, avoids the reunion of the copper nano-wire, so that it is mixed to obtain the uniform nanowire-polymer of interspersed high
Close solution.For the first time using the batch mixer decentralized processing revolving speed be 100-10000rpm/min, as 100rpm/min,
1000rpm/min, 3000rpm/min, 5000rpm/min, 10000rpm/min, time 0.1-600min, as 1min,
30min,60min,120min,200min,400min,600min.Revolving speed using the disperser decentralized processing is 100-
30000rpm/min, such as 100rpm/min, 500rpm/min, 10000rpm/min, 20000rpm/min, 30000rpm/min,
Time is 0.01-600min such as 1min, 10min, 60min, 150min, 300min, 600min.The batch mixer is used for the second time
The revolving speed of decentralized processing be 100-10000rpm/min, as 100rpm/min, 1000rpm/min, 3000rpm/min,
5000rpm/min, 10000rpm/min, time 0.1-600min, as 1min, 10min, 60min, 150min, 300min,
600min.Preferably, the revolving speed for using the batch mixer decentralized processing for the first time is 1000-3000rpm/min, time 1-
30min；Revolving speed using the disperser decentralized processing is 1000-25000rpm/min, time 0.1-30min；Second
Revolving speed using the batch mixer decentralized processing is 1000-3000rpm/min, time 1-30min, is efficiently divided to realize
Dissipate, the nanowire-polymer mixed solution being completely dispersed, improve copper nano-wire-polymer composites elasticity and
Electric conductivity.
In above-mentioned steps S04, the copper nano-wire-mixed with polymers solution is subjected to heat treatment removal solvent, is obtained
Dry copper nano-wire-polymer composites.The temperature of the heat treatment can between 10-200 DEG C, such as 10 DEG C, 20 DEG C,
50 DEG C, 80 DEG C, 150 DEG C, 200 DEG C, time 0.5-6000min, as 0.5min, 10min, 100min, 1000min,
2000min,3000min,4000min,5000min,6000min.Preferably, the temperature of the heat treatment is 20-100 DEG C,
Time is 1-600min, to guarantee solvent volatilization efficiency, while being avoided to the influence of copper nano-wire-polymer composites.
Further, copper nano-wire-mixed with polymers solution that the embodiment of the present invention obtains can be handled, is prepared into
Various finished products.
As a preferred embodiment, the finely dispersed copper nano-wire-mixed with polymers solution is poured into mold,
After evaporation of solvent, copper nano-wire-polymer composites fexible conductor of strip is obtained.Wherein, the temperature of solvent volatilization can
Between 10-200 DEG C, such as 10 DEG C, 20 DEG C, 50 DEG C, 80 DEG C, 150 DEG C, 200 DEG C, time 0.5-6000min, as 0.5min,
10min,100min,1000min,2000min,3000min,4000min,5000min,6000min.Preferably, solvent volatilizees
Temperature be 20-100 DEG C, time 1-600min, to guarantee that solvent volatilizees efficiency, while avoiding to copper nano-wire-polymerization
The influence of object compound material flexible conductor.
As another preferred embodiment, the finely dispersed copper nano-wire-mixed with polymers solution is passed through into mask
Plate prints on carrier, and solvent flashing obtains flexible conductive circuit.Wherein, the carrier includes but is not limited to paper；Solvent is waved
The temperature of hair can be between 10-200 DEG C, such as 10 DEG C, 20 DEG C, 50 DEG C, 80 DEG C, 150 DEG C, 200 DEG C, time 0.5-6000min,
Such as 0.5min, 10min, 100min, 1000min, 2000min, 3000min, 4000min, 5000min, 6000min.Preferably,
The temperature of solvent volatilization is 20-100 DEG C, time 1-600min, to guarantee solvent volatilization efficiency, while being avoided to copper nanometer
The influence of line-polymer composites fexible conductor.
The preparation method of copper nano-wire-polymer composites provided in an embodiment of the present invention, is first removed using lactic acid treatment
The oxide and remaining organic matter for going to copper nano-wire raw material surface, improve the inoxidizability and electric conductivity of copper nano-wire；Then
After copper nano-wire is mixed with polymer solution, pass through special dispersing method (batch mixer-triple dispersions of disperser-batch mixer)
Copper nano-wire is evenly dispersed in the polymer, the elasticity and electric conductivity of composite conducting material are effectively improved.
And the embodiment of the invention also provides a kind of copper nano-wire-polymer composites, the copper nano-wire-is poly-
Compound composite material is prepared by the above method, including copper nano-wire and polymer.
Preferably, the diameter of the copper nano-wire is 30-300nm, and length is 10-500 μm.
Preferably, the polymer is Styrene-Butadiene-Styrene Block Copolymer, polyurethane, polydimethylsiloxanes
At least one of alkane.
Copper nano-wire-polymer composites provided in an embodiment of the present invention, the feature flexible, conductivity is high, can
It is used to prepare flexible conducting material, is widely used in flexible device field.
It is illustrated combined with specific embodiments below.
Embodiment 1
A kind of preparation method of copper nano-wire-polymer composites, comprising the following steps:
S11. 800mg polymer Styrene-Butadiene-Styrene Block Copolymer is dissolved in be formed in chloroform and is polymerize
Object solution；
S12. 200mg copper nano-wire raw material is added in 400ml chloroform, 10ml cream is added after ultrasonic disperse 10min
Acid is filtered after oscillation treatment 1min, is then washed with isopropanol, obtains clean copper nano-wire；The copper nano-wire is put into
In vacuum oven, 50 DEG C and keep 30min heat drying handle；
S13. the copper nano-wire after drying is added in the polymer solution, successively through batch mixer 1800rpm/
Min disperses 10min, disperser 9000rpm/min dispersion 2min, batch mixer dispersion 1800rpm/min dispersion 10min processing, obtains
To copper nano-wire-mixed with polymers solution；
S14. the copper nano-wire-mixed with polymers solution is heated in 30 DEG C of temperature, obtains copper nano-wire-
Polymer composites.
Or the embodiment of the present invention directly pours into the copper nano-wire-mixed with polymers solution in mold, in 30 DEG C of temperature
Lower evaporation of solvent, obtains copper nano-wire-polymer composites.
Or, the copper nano-wire-mixed with polymers solution is printed on paper by mask plate, obtained in 30 DEG C of solvent flashings
To flexible conductive circuit.
Embodiment 2
In addition to copper nano-wire 300mg, Styrene-Butadiene-Styrene Block Copolymer 700mg, other and 1 phase of embodiment
Together.
Embodiment 3
In addition to copper nano-wire 200mg, Styrene-Butadiene-Styrene Block Copolymer 300mg, other and 1 phase of embodiment
Together.
Embodiment 4
In addition to copper nano-wire 500mg, Styrene-Butadiene-Styrene Block Copolymer 500mg, other and 1 phase of embodiment
Together.
The copper nano-wire-obtained after the volatilization of lactic acid treatment, drying, dispersion and solvent in 1-4 of the embodiment of the present invention is poly-
Compound composite material carries out SEM characterization and electrical property characterization respectively, as a result as shown in Figs 1-4 respectively.As seen from the figure, Fig. 1-4SEM
In it can be seen that preparation copper nano-wire-polymer composites in copper nano-wire uniformly disperse, do not reunite.
Fig. 5 is the electrical property of copper nano-wire composite material prepared by embodiment 3, and the electrical property of Fig. 5 shows that preparation is real
Applying copper nano-wire-polymer composites that example 3 is prepared has high conductivity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of preparation method of copper nano-wire-polymer composites, comprising the following steps:
It dissolves a polymer in the first organic solvent and forms polymer solution, first organic solvent is used to disperse copper simultaneously and receives
Rice noodles, and first organic solvent is at least one of chloroform, n,N-Dimethylformamide, ethyl alcohol, isopropanol；
Copper nano-wire raw material is added in the second organic solvent, lactic acid is added after ultrasonic disperse, filters after oscillation treatment, then uses
Isopropanol washing, obtains clean copper nano-wire；The copper nano-wire is put into vacuum oven, heat drying processing；
The copper nano-wire after drying is added in the polymer solution, is successively dispersed through batch mixer, disperser, batch mixer
Processing, obtains copper nano-wire-mixed with polymers solution；
The copper nano-wire-mixed with polymers solution is heated, copper nano-wire-polymer composites are obtained.
2. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that the polymerization
In object solution, the mass ratio of the polymer and first organic solvent is 1:9-3:2.
3. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that the copper is received
The mass ratio of rice noodles raw material and the lactic acid is 1:2-1:100.
4. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that the heating
The temperature of drying process is 30-100 DEG C, time 120-1200min.
5. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that after drying
The copper nano-wire be added in the step in the polymer solution, the additive amount of the copper nano-wire meets: the copper is received
The mass ratio of polymer is 0.1:9.9-9:1 in rice noodles and the polymer solution.
6. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that successively through mixed
It the use of the revolving speed of the batch mixer decentralized processing is for the first time 1000- in the step of material machine, disperser, batch mixer decentralized processing
3000rpm, time 1-30min；
Revolving speed using the disperser decentralized processing is 1000-25000rpm, and the time is 0.1-30 min；
Second of revolving speed using the batch mixer decentralized processing is 1000-3000rpm, time 1-30min.
7. the preparation method of copper nano-wire-polymer composites as described in claim 1, which is characterized in that the heating
The temperature of processing is 20-100 DEG C.
8. a kind of copper nano-wire-polymer composites, which is characterized in that the copper nano-wire-polymer composites are by weighing
Benefit requires any the method for 1-7 to prepare, including copper nano-wire and polymer.
9. copper nano-wire-polymer composites as claimed in claim 8, which is characterized in that the diameter of the copper nano-wire
For 30-300nm, length is 10-500 μm.
10. copper nano-wire-polymer composites as claimed in claim 8, which is characterized in that the polymer is benzene second
At least one of alkene-butadiene-styrene block copolymer, polyurethane, dimethyl silicone polymer.
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| WO2010085887A1 (en) * | 2009-01-30 | 2010-08-05 | The Governors Of The University Of Alberta | Nanomaterial composites and methods of making |
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| CN103819591A (en) * | 2014-03-21 | 2014-05-28 | 中国科学院上海硅酸盐研究所 | Copper nano wire/polyacrylate composite material and preparation method thereof |
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