CN109102920A - A kind of magnetic-doped carbon nanotube and preparation method thereof - Google Patents
A kind of magnetic-doped carbon nanotube and preparation method thereof Download PDFInfo
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- CN109102920A CN109102920A CN201810759200.3A CN201810759200A CN109102920A CN 109102920 A CN109102920 A CN 109102920A CN 201810759200 A CN201810759200 A CN 201810759200A CN 109102920 A CN109102920 A CN 109102920A
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Abstract
The invention discloses a kind of magnetic-doped carbon nanotubes, it is composed of the following raw materials by weight: the ammonium hydroxide 20-30 of four water frerrous chloride 24-30, ferric chloride (FeCl36H2O) 16-20, carbon nanotube 10-12, isothiazolinone 0.5-1, lauryl mercaptan 2-4,1,6- hexanediyl ester 4-6, polymethyl hydrogen siloxane 3-5, platinum catalyst 0.01-0.02, Sodium Polyacrylate 1-2,10-13%.The present invention is doped modification to carbon nanotube using polymer-doped magnetic particle, by adsorption effect, obtains the carbon nanotube for stablizing doping, to obtain magnetic, conductive stability finished-product material.
Description
Technical field
The invention belongs to field of carbon nanotubes, and in particular to a kind of magnetic-doped carbon nanotube and preparation method thereof.
Background technique
Carbon nanotube has good conductive property, since the structure of carbon nanotube and the lamellar structure of graphite are identical, institute
With good electric property.Its electric conductivity of theoretical prediction depends on the helical angle of its caliber and tube wall.When the pipe of CNTs
When diameter is greater than 6nm, electric conductivity decline；When caliber is less than 6nm, CNTs can be seen as having the one-dimensional of excellent conductive performance
Quantum wire.It was reported that Huang thinks that the carbon nanotube that diameter is 0.7nm has superconductivity by calculating, although its superconduction
Transition temperature only has 1.5 × 10-4K, but implies carbon nanotube in the application prospect of superconductivity；
Carbon nanotube has good mechanical property, and it is 100 times of steel that CNTs tensile strength, which reaches 50~200GPa, close
Degree but only has the 1/6 of steel, an order of magnitude at least higher than ordinary graphite fiber；Its elasticity modulus is up to 1TPa, with diamond
Elasticity modulus it is suitable, about 5 times of steel.For the carbon nanotube of the single wall with ideal structure, tensile strength is about
800GPa.Although the structure of carbon nanotube is similar to the structure of high molecular material, its structure is more stable than high molecular material
It is more.Carbon nanotube is the material with highest specific strength that can be prepared at present.If will be using Other Engineering material as matrix and carbon
Composite material is made in nanotube, and composite material exhibits can be made to go out good intensity, elasticity, fatigue resistance and isotropism, to multiple
The performance of condensation material brings great improvement；
However, the use scope of carbon nanotube also receives no small limitation with the continuous development of composite material, because
This, for its use scope of further expansion, assigning its new performance is the emphasis studied at present.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind and preparation method thereof.
To achieve the above object, the invention adopts the following technical scheme:
A kind of magnetic-doped carbon nanotube, it is composed of the following raw materials by weight:
Four water frerrous chloride 24-30, ferric chloride (FeCl36H2O) 16-20, carbon nanotube 10-12, isothiazolinone 0.5-1, ten
Dialkyl group mercaptan 2-4,1,6 hexanediol diacrylate 4-6, polymethyl hydrogen siloxane 3-5, platinum catalyst 0.01-0.02, gather
The ammonium hydroxide 20-30 of sodium acrylate 1-2,10-13%.
A kind of preparation method of magnetic-doped carbon nanotube, comprising the following steps:
(1) isothiazolinone is taken, is added in the dehydrated alcohol of 17-20 times of its weight, stirs evenly, obtain alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, the deionized water of 30-40 times of mixture weight is added to
In, it stirs evenly, mixes, stir evenly with above-mentioned alcoholic solution, the ammonium hydroxide of above-mentioned 10-13% is added dropwise, be stirred to react 3-5 hours,
Sodium Polyacrylate is added, stirs evenly, obtains magnetic solution；
(3) carbon nanotube is taken, it is 2-3 hours ultrasonic in sulfuric acid solution that be added to 20-30 times of its weight, 96-98%,
Precipitating is washed in filtering, and air drying is mixed with polymethyl hydrogen siloxane, is added to the deionization of 10-14 times of mixture weight
It in water, stirs evenly, obtains alkyl carbon nano-tube solution；
(4) 1,6- hexanediyl ester, lauryl mercaptan mixing are taken, abovementioned alkyl carbon nano-tube solution is added to
In, it stirs evenly, increasing temperature is 110-120 DEG C, platinum catalyst is added, insulated and stirred 3-4 hours, discharging cooling obtained modification
Carbon nano-tube solution；
(5) above-mentioned magnetic solution, the mixing of modified carbon nano-tube solution are taken, is stirred evenly, increasing temperature is 50-55 DEG C, is surpassed
It sound 1-2 hours, filters, filter cake is washed, it is 1-2 hours dry at 50-55 DEG C of vacuum, it is cooled to room temperature and is mixed to get the magnetism
Miscellaneous carbon nanotube.
Advantages of the present invention:
The present invention is using four water frerrous chlorides, ferric chloride (FeCl36H2O) as presoma, in the alcohol solution containing isothiazolinone
Middle hydrolysis is re-introduced into Sodium Polyacrylate using ammonia precipitation process, obtains polymer-doped magnetic particle, then uses poly- methyl hydrogen
Siloxane treated carbon nanotube, then be blended with 1,6- hexanediyl ester, it is crosslinked under platinum catalyst effect, to mention
The high adsorption effect of carbon nanotube, is doped modification to carbon nanotube using polymer-doped magnetic particle later, passes through
Adsorption effect obtains the carbon nanotube for stablizing doping, to obtain magnetic, conductive stability finished-product material.
Specific embodiment
Embodiment 1
A kind of magnetic-doped carbon nanotube, it is composed of the following raw materials by weight:
Four water frerrous chlorides 24, ferric chloride (FeCl36H2O) 16, carbon nanotube 10, isothiazolinone 0.5, lauryl mercaptan
2, the ammonium hydroxide of 1,6 hexanediol diacrylate 4, polymethyl hydrogen siloxane 3, platinum catalyst 0.01, Sodium Polyacrylate 1,10%
20。
A kind of preparation method of magnetic-doped carbon nanotube, comprising the following steps:
(1) isothiazolinone is taken, is added in the dehydrated alcohol of 17 times of its weight, is stirred evenly, obtain alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, are added in 30 times of mixture weight of deionized water,
It stirs evenly, mixes, stir evenly with above-mentioned alcoholic solution, above-mentioned 10% ammonium hydroxide is added dropwise, is stirred to react 3 hours, be added poly- third
Olefin(e) acid sodium, stirs evenly, and obtains magnetic solution；
(3) carbon nanotube is taken, is added in 20 times of its weight, 96% sulfuric acid solution, ultrasound 2 hours, filtering will sink
It forms sediment and washes, air drying is mixed with polymethyl hydrogen siloxane, is added in 10 times of mixture weight of deionized water, and stirring is equal
It is even, obtain alkyl carbon nano-tube solution；
(4) 1,6- hexanediyl ester, lauryl mercaptan mixing are taken, abovementioned alkyl carbon nano-tube solution is added to
In, it stirs evenly, increasing temperature is 110 DEG C, platinum catalyst is added, insulated and stirred 3 hours, discharging cooling obtained modified carbon nano tube
Pipe solution；
(5) above-mentioned magnetic solution, the mixing of modified carbon nano-tube solution are taken, is stirred evenly, increasing temperature is 50 DEG C, ultrasound 1
Hour, it filters, filter cake is washed, it is 1 hour dry at 50 DEG C of vacuum, it is cooled to room temperature to get the magnetic-doped carbon nanometer
Pipe.
Embodiment 2
A kind of magnetic-doped carbon nanotube, it is composed of the following raw materials by weight:
Four water frerrous chlorides 30, ferric chloride (FeCl36H2O) 20, carbon nanotube 12, isothiazolinone 1, lauryl mercaptan 4,
1,6 hexanediol diacrylate 6, polymethyl hydrogen siloxane 5, platinum catalyst 0.02, Sodium Polyacrylate 2,13% ammonium hydroxide 30.
A kind of preparation method of magnetic-doped carbon nanotube, comprising the following steps:
(1) isothiazolinone is taken, is added in the dehydrated alcohol of 20 times of its weight, is stirred evenly, obtain alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, are added in 40 times of mixture weight of deionized water,
It stirs evenly, mixes, stir evenly with above-mentioned alcoholic solution, above-mentioned 13% ammonium hydroxide is added dropwise, is stirred to react 5 hours, be added poly- third
Olefin(e) acid sodium, stirs evenly, and obtains magnetic solution；
(3) carbon nanotube is taken, is added in 30 times of its weight, 98% sulfuric acid solution, ultrasound 3 hours, filtering will sink
It forms sediment and washes, air drying is mixed with polymethyl hydrogen siloxane, is added in 14 times of mixture weight of deionized water, and stirring is equal
It is even, obtain alkyl carbon nano-tube solution；
(4) 1,6- hexanediyl ester, lauryl mercaptan mixing are taken, abovementioned alkyl carbon nano-tube solution is added to
In, it stirs evenly, increasing temperature is 120 DEG C, platinum catalyst is added, insulated and stirred 4 hours, discharging cooling obtained modified carbon nano tube
Pipe solution；
(5) above-mentioned magnetic solution, the mixing of modified carbon nano-tube solution are taken, is stirred evenly, increasing temperature is 55 DEG C, ultrasound 2
Hour, it filters, filter cake is washed, it is 2 hours dry at 55 DEG C of vacuum, it is cooled to room temperature to get the magnetic-doped carbon nanometer
Pipe.
Performance test:
The saturation magnetization of the magnetic-doped carbon nanotube of the embodiment of the present invention 1 is 12.5emu/g.
Claims (2)
1. a kind of magnetic-doped carbon nanotube, which is characterized in that it is composed of the following raw materials by weight:
Four water frerrous chloride 24-30, ferric chloride (FeCl36H2O) 16-20, carbon nanotube 10-12, isothiazolinone 0.5-1, dodecane
Base mercaptan 2-4,1,6 hexanediol diacrylate 4-6, polymethyl hydrogen siloxane 3-5, platinum catalyst 0.01-0.02, polypropylene
The ammonium hydroxide 20-30 of sour sodium 1-2,10-13%.
2. a kind of preparation method of magnetic-doped carbon nanotube as described in claim 1, which comprises the following steps:
(1) isothiazolinone is taken, is added in the dehydrated alcohol of 17-20 times of its weight, stirs evenly, obtain alcoholic solution；
(2) four water frerrous chlorides, ferric chloride (FeCl36H2O) mixing are taken, is added in the deionized water of 30-40 times of mixture weight, stirs
It mixes uniformly, mixes, stir evenly with above-mentioned alcoholic solution, the ammonium hydroxide of above-mentioned 10-13% is added dropwise, be stirred to react 3-5 hours, be added poly-
Sodium acrylate stirs evenly, and obtains magnetic solution；
(3) carbon nanotube is taken, 2-3 hours ultrasonic in sulfuric acid solution that be added to 20-30 times of its weight, 96-98%, filtering,
Precipitating to be washed, air drying is mixed with polymethyl hydrogen siloxane, is added in the deionized water of 10-14 times of mixture weight,
It stirs evenly, obtains alkyl carbon nano-tube solution；
(4) 1,6- hexanediyl ester, lauryl mercaptan mixing are taken, is added in abovementioned alkyl carbon nano-tube solution,
It stirs evenly, increasing temperature is 110-120 DEG C, platinum catalyst is added, insulated and stirred 3-4 hours, discharging cooling obtained carbon modified and receives
Mitron solution；
(5) above-mentioned magnetic solution, the mixing of modified carbon nano-tube solution are taken, is stirred evenly, increasing temperature is 50-55 DEG C, ultrasonic 1-2
Hour, it filters, filter cake is washed, it is 1-2 hours dry at 50-55 DEG C of vacuum, it is cooled to room temperature and is received to get the magnetic-doped carbon
Mitron.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922307A (en) * | 2014-03-31 | 2014-07-16 | 北京化工大学 | Magnetic carbon nanotube and preparation method thereof |
| CN105499561A (en) * | 2015-12-09 | 2016-04-20 | 西南交通大学 | Preparing method of magnetic carbon nano tubes |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922307A (en) * | 2014-03-31 | 2014-07-16 | 北京化工大学 | Magnetic carbon nanotube and preparation method thereof |
| CN105499561A (en) * | 2015-12-09 | 2016-04-20 | 西南交通大学 | Preparing method of magnetic carbon nano tubes |
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Application publication date: 20181228 |