CN109777075A - A kind of polycarbonate electromagnetic shielding material of carbon nanotubes and preparation method thereof - Google Patents
A kind of polycarbonate electromagnetic shielding material of carbon nanotubes and preparation method thereof Download PDFInfo
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- CN109777075A CN109777075A CN201910082940.2A CN201910082940A CN109777075A CN 109777075 A CN109777075 A CN 109777075A CN 201910082940 A CN201910082940 A CN 201910082940A CN 109777075 A CN109777075 A CN 109777075A
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Abstract
The present invention relates to makrolon material preparation technical fields, specifically disclose a kind of polycarbonate electromagnetic shielding material and preparation method thereof of carbon nanotubes.The preparation method comprises the following steps: (1) being dispersed in water carbon nanotube, be then placed in and carry out grinding to obtain carbon nano tube paste in milling apparatus；(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusting pH value is 9~10,2~4h of ultrasonic reaction, and centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；(3) after mixing by metal-modified carbon nanotube, dispersing agent and polycarbonate, the polycarbonate electromagnetic shielding material up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine.There is excellent electromagnetic shielding action by the polycarbonate electromagnetic shielding material that this method is prepared.
Description
Technical field
The present invention relates to makrolon material preparation technical fields, and in particular to a kind of polycarbonate electricity of carbon nanotubes
Magnetic shielding material and preparation method thereof.
Background technique
Polycarbonate (abbreviation PC) is the high molecular polymer in strand containing carbonate group, is widely used in electricity
Son, electrical equipment industry field.With the development of science and technology and the improvement of people's living standards, the electronic products such as mobile phone, computer and
Spread to every family.Mobile phone, computer can all generate certain radiation, and therefore, the polycarbonate with electromagnetic shielding action is answered
It transports and gives birth to.
At present, although there are numerous makrolon materials with electromagnetic shielding action, existing most of poly- carbonic acid
The electromagnetic shielding action of ester material is not very by force, to be difficult to meet the shielding action of high radiation electrical equipment.Therefore, exploitation has
The makrolon material of stronger electromagnetic shielding action has great importance.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of polycarbonate electromagnetic shielding materials of carbon nanotubes
Preparation method has excellent electromagnetic shielding action by the polycarbonate electromagnetic shielding material that this method is prepared.
Above-mentioned technical problem to be solved by this invention, is achieved by the following technical programs:
A kind of preparation method of the polycarbonate electromagnetic shielding material of carbon nanotubes, it includes following steps:
(1) carbon nanotube is dispersed in water, is then placed in and carries out grinding to obtain carbon nano tube paste in milling apparatus；It is described
Carbon nanotube and water amount ratio be 1g:10~20mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9~10,2~4h of ultrasonic reaction, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；The chlorination
The amount ratio of aluminium and nickel chloride and carbon nano tube paste is 3~5g:1~3g:10~20mL；
(3) after mixing by metal-modified carbon nanotube, dispersing agent and polycarbonate, it is squeezed out and is made with dual-screw-stem machine
Grain up to the carbon nanotubes polycarbonate electromagnetic shielding material；The metal-modified carbon nanotube, dispersing agent with
And the weight ratio of polycarbonate is 1~3:3~5:50~70.
Preferably, it is multi-walled carbon nanotube that the carbon nanotube, which is carbon nanotube,.
Preferably, the amount ratio of carbon nanotube described in step (1) and water is 1g:15mL.
Preferably, the amount ratio of aluminium chloride described in step (2) and nickel chloride and carbon nano tube paste is 4g:2g:
15mL。
Preferably, the weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60.
Preferably, dispersing agent described in step (2) is prepared via a method which to obtain:
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in solvent, lithium hydroxide is then added, is added
Hot 2~3h of back flow reaction is concentrated after removal solvent up to the dispersing agent；
The molar ratio of 1- (the 4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid and lithium hydroxide is 1:1；1- (the 4-
Fluorophenylamino formoxyl) amount ratio of cyclopropane-carboxylic acid and solvent is 1g:10~15mL；The solvent is that volume fraction is
70%~90% ethanol water.
Most preferably, the dispersing agent is prepared via a method which to obtain:
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in solvent, lithium hydroxide is then added, is added
Hot back flow reaction 2.5h is concentrated after removal solvent up to the dispersing agent；
The molar ratio of 1- (the 4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid and lithium hydroxide is 1:1；1- (the 4-
Fluorophenylamino formoxyl) amount ratio of cyclopropane-carboxylic acid and solvent is 1g:12mL；The solvent is that volume fraction is 80%
Ethanol water.
The present invention also provides a kind of polycarbonate electromagnetic shielding materials prepared by the preparation method.
The utility model has the advantages that the present invention provides a kind of preparations of the polycarbonate electromagnetic shielding material of completely new carbon nanotubes
Method, this method joined during the preparation process by aluminium chloride and the modified obtained metal-modified carbon nanotube of nickel chloride, add
The makrolon material obtained after the metal-modified carbon nanotube is entered, carbon nanotube is added more merely in electromagnetic shielding performance
Electromagnetic shielding performance is substantially improved；Further, the dispersion is added by joined the dispersing agent being completely newly prepared in the present invention
It can be such that the metal-modified carbon nanotube is adequately dispersed in polycarbonate after agent, further improve the electromagnetism of polycarbonate
Shielding action；Embodiment experiment shows to be added dispersing agent that completely new approach of the present invention is prepared compared with other conventional dispersants
Electromagnetic shielding action is stronger.
Specific embodiment
The present invention is explained further below in conjunction with specific embodiment, but embodiment does not do any type of limit to the present invention
It is fixed.
The preparation of the polycarbonate electromagnetic shielding material of 1 carbon nanotubes of embodiment
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9.5, ultrasonic reaction 3h, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 4g:2g:15mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
The preparation of the polycarbonate electromagnetic shielding material of 2 carbon nanotubes of embodiment
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:10mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9, ultrasonic reaction 4h, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 3g:3g:10mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 2:5:70；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
The preparation of the polycarbonate electromagnetic shielding material of 3 carbon nanotubes of embodiment
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:20mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9, ultrasonic reaction 4h, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 5g:1g:20mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 3:3:50；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
The preparation of the polycarbonate electromagnetic shielding material of 1 carbon nanotubes of comparative example
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) carbon nanotube is drying to obtain in the carbon nano tube paste that step (1) is prepared；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 4g:2g:15mL；
(3) by carbon nanotube, dispersing agent and polycarbonate (the poly- carbon for being 1302HP-09 purchased from the LG Corp of South Korea trade mark
Acid esters) after mixing, the polycarbonate electromagnetic shielding material up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Material；
The weight ratio of the carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
Comparative example 1 the difference from embodiment 1 is that, be added without aluminium chloride in step (2) and nickel chloride be modified,
His step is all the same.
The preparation of the polycarbonate electromagnetic shielding material of 2 carbon nanotubes of comparative example
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) aluminium chloride is added in the carbon nano tube paste that step (1) is prepared, then adjusting pH value is 9.5, ultrasound
3h is reacted, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and carbon nano tube paste is 6g:15mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
Comparative example 2 the difference from embodiment 1 is that, aluminium chloride is only added in step (2) and is modified, and is added without chlorination
Nickel is modified, other steps are all the same.
The preparation of the polycarbonate electromagnetic shielding material of 3 carbon nanotubes of comparative example
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) nickel chloride is added in the carbon nano tube paste that step (1) is prepared, then adjusting pH value is 9.5, ultrasound
3h is reacted, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the nickel chloride and carbon nano tube paste is 6g:15mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in the ethanol water that volume fraction is 80%, so
After be added lithium hydroxide, heating reflux reaction 2.5h is carried out, up to the dispersing agent after concentration removal solvent；1- (the 4-
Fluorophenylamino formoxyl) molar ratio of cyclopropane-carboxylic acid and lithium hydroxide is 1:1；The 1- (4- Fluorophenylamino formoxyl)
The amount ratio of cyclopropane-carboxylic acid and ethanol water is 1g:12mL.
Comparative example 3 the difference from embodiment 1 is that, nickel chloride is only added in step (2) and is modified, and is added without chlorination
Aluminium is modified, other steps are all the same.
The preparation of the polycarbonate electromagnetic shielding material of 4 carbon nanotubes of comparative example
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9.5, ultrasonic reaction 3h, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 4g:2g:15mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
The dispersing agent is cetyl trimethylammonium bromide.
The difference of comparative example 4 and embodiment 1 is, the dispersing agent used in step (3) is different, comparative example 4 using
Conventional dispersing agent cetyl trimethylammonium bromide.
The preparation of the polycarbonate electromagnetic shielding material of 5 carbon nanotubes of comparative example
(1) multi-walled carbon nanotube is dispersed in water, is then placed in horizontal sand mill and grind obtaining carbon nanotube slurry
Material；
The amount ratio of the carbon nanotube and water is 1g:15mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusts pH value
It is 9.5, ultrasonic reaction 3h, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；
The amount ratio of the aluminium chloride and nickel chloride and carbon nano tube paste is 4g:2g:15mL；
It (3) (is 1302HP- purchased from the LG Corp of South Korea trade mark by metal-modified carbon nanotube, dispersing agent and polycarbonate
09 polycarbonate) after mixing, the polycarbonate electricity up to the carbon nanotubes is squeezed out and is granulated with dual-screw-stem machine
Magnetic shielding material；
The weight ratio of the metal-modified carbon nanotube, dispersing agent and polycarbonate is 1:4:60；
The dispersing agent is the adjacent sodium of ethylenediamine two.
The difference of comparative example 5 and embodiment 1 is, the dispersing agent used in step (3) is different, comparative example 5 using
The adjacent sodium of conventional dispersing agent ethylenediamine two.
Experimental example
The polycarbonate electromagnetic shielding material for the carbon nanotubes that Examples 1 to 3 and comparative example 1~5 are prepared
Injection molding machine is injected, the batten of 2.0mm thickness is made, referring to ASTM D4935 standard testing electromagnetic shielding action, experimental result is shown in Table
1。
1. electromagnetic shielding action test effect of table
It can be seen that from the effectiveness of the polycarbonate electromagnetic shielding material of 1 Examples 1 to 3 carbon nanotubes of table
Its db value is both greater than 70, this illustrates that the polycarbonate electromagnetic shielding material for the carbon nanotubes that Examples 1 to 3 is prepared has
Excellent effectiveness；The material has reached the electromagnetic shielding requirements of military equipment.
It can be seen that the poly- carbon for the carbon nanotubes that embodiment 1 is prepared from embodiment 1 and 1 experiment effect of comparative example
The effectiveness of acid esters electromagnetic shielding material is far longer than comparative example 1, this explanation is added during the preparation process by aluminium chloride
And electromagnetism can be substantially improved than not modified carbon nanotube is added in the metal-modified carbon nanotube that nickel chloride is modified
Shield effectiveness.
The carbon nanotubes that embodiment 1 is prepared it can be seen from embodiment 1 and the experiment effect of comparative example 2 and 3 gathers
The effectiveness of carbonic ester electromagnetic shielding material is equally far longer than comparative example 2 and 3, this explanation is added during the preparation process
Aluminium chloride or nickel chloride are only individually added by the metal-modified carbon nanotube ratio that aluminium chloride and nickel chloride are modified
Effectiveness can be substantially improved in modified carbon nanotube.This explanation, aluminium chloride and nickel chloride while modified carbon nano-tube,
It can collaboration promotion effectiveness.
The carbon nanotubes that embodiment 1 is prepared it can be seen from embodiment 1 and the experiment effect of comparative example 4 and 5 gathers
The effectiveness of carbonic ester electromagnetic shielding material is equally far longer than comparative example 4 and 5, this explanation is added during the preparation process
The dispersing agent being prepared by the method for the invention is more significant than the effectiveness of conventional dispersing agent is added.
Claims (8)
1. a kind of preparation method of the polycarbonate electromagnetic shielding material of carbon nanotubes, which is characterized in that comprise the following steps:
(1) carbon nanotube is dispersed in water, is then placed in and carries out grinding to obtain carbon nano tube paste in milling apparatus；The carbon
The amount ratio of nanotube and water is 1g:10~20mL；
(2) aluminium chloride and nickel chloride are added in the carbon nano tube paste that step (1) is prepared, then adjusting pH value is 9
~10,2~4h of ultrasonic reaction, centrifugation, washing are drying to obtain metal-modified carbon nanotube after being precipitated to neutrality；The aluminium chloride with
And the amount ratio of nickel chloride and carbon nano tube paste is 3~5g:1~3g:10~20mL；
(3) after mixing by metal-modified carbon nanotube, dispersing agent and polycarbonate, it is squeezed out and is granulated i.e. with dual-screw-stem machine
Obtain the polycarbonate electromagnetic shielding material of the carbon nanotubes；The metal-modified carbon nanotube, dispersing agent and poly-
The weight ratio of carbonic ester is 1~3:3~5:50~70.
2. preparation method according to claim 1, which is characterized in that the carbon nanotube is that carbon nanotube is multi wall carbon
Nanotube.
3. preparation method according to claim 1, which is characterized in that the use of carbon nanotube and water described in step (1)
Amount is than being 1g:15mL.
4. preparation method according to claim 1, which is characterized in that aluminium chloride described in step (2) and nickel chloride with
The amount ratio of carbon nano tube paste is 4g:2g:15mL.
5. preparation method according to claim 1, which is characterized in that the metal-modified carbon nanotube, dispersing agent with
And the weight ratio of polycarbonate is 1:4:60.
6. preparation method according to claim 1, which is characterized in that dispersing agent described in step (2) passes through such as lower section
Method is prepared:
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in solvent, lithium hydroxide is then added, heats back
Stream 2~3h of reaction, is concentrated after removal solvent up to the dispersing agent；
The molar ratio of 1- (the 4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid and lithium hydroxide is 1:1；1- (the 4- fluorobenzene
Base carbamoyl) amount ratio of cyclopropane-carboxylic acid and solvent is 1g:10~15mL；The solvent is that volume fraction is 70%
~90% ethanol water.
7. preparation method according to claim 6, which is characterized in that the dispersing agent is prepared via a method which
It arrives:
1- (4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid is dissolved in solvent, lithium hydroxide is then added, heats back
Stream reaction 2.5h, is concentrated after removal solvent up to the dispersing agent；
The molar ratio of 1- (the 4- Fluorophenylamino formoxyl) cyclopropane-carboxylic acid and lithium hydroxide is 1:1；1- (the 4- fluorobenzene
Base carbamoyl) amount ratio of cyclopropane-carboxylic acid and solvent is 1g:12mL；The solvent is the second that volume fraction is 80%
Alcohol solution.
8. the polycarbonate electromagnetic shielding material that the described in any item preparation methods of claim 1~7 are prepared.
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Cited By (3)
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| CN113512282A (en) * | 2020-04-12 | 2021-10-19 | 壹田科技(深圳)有限公司 | Polycarbonate composite conductive material containing ultra-dispersed multi-walled carbon nanotubes and preparation method thereof |
| CN114316558A (en) * | 2021-12-20 | 2022-04-12 | 杨劲光 | Carbon nano tube concentrated composition and preparation method and application thereof |
| CN115340692A (en) * | 2022-08-02 | 2022-11-15 | 昆山地博光电材料有限公司 | Scratch-resistant PC film and preparation method thereof |
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| CN101635353A (en) * | 2009-08-19 | 2010-01-27 | 桂林理工大学 | Method for preparing compound electrode active material of nickel hydroxide/carbon nano tube |
| US20120085970A1 (en) * | 2010-10-12 | 2012-04-12 | Florida State University Research Foundation | Composite Materials Reinforced with Carbon Nanotube Yarns |
| CN105968522A (en) * | 2016-06-30 | 2016-09-28 | 安徽杰奥玛克合成材料科技有限公司 | Carbon nanotube reinforced anti-oxidation geogrid and preparation method thereof |
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| CN101635353A (en) * | 2009-08-19 | 2010-01-27 | 桂林理工大学 | Method for preparing compound electrode active material of nickel hydroxide/carbon nano tube |
| US20120085970A1 (en) * | 2010-10-12 | 2012-04-12 | Florida State University Research Foundation | Composite Materials Reinforced with Carbon Nanotube Yarns |
| CN105968522A (en) * | 2016-06-30 | 2016-09-28 | 安徽杰奥玛克合成材料科技有限公司 | Carbon nanotube reinforced anti-oxidation geogrid and preparation method thereof |
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| CN113512282A (en) * | 2020-04-12 | 2021-10-19 | 壹田科技(深圳)有限公司 | Polycarbonate composite conductive material containing ultra-dispersed multi-walled carbon nanotubes and preparation method thereof |
| CN114316558A (en) * | 2021-12-20 | 2022-04-12 | 杨劲光 | Carbon nano tube concentrated composition and preparation method and application thereof |
| CN115340692A (en) * | 2022-08-02 | 2022-11-15 | 昆山地博光电材料有限公司 | Scratch-resistant PC film and preparation method thereof |
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