Carbon nanotube composite and method for forming same
a carbon nanotube and composite technology, applied in the field of carbon nanotube composite and a method for forming the same, can solve the problems of difficult to achieve a carbon nanotube composite, difficult to achieve the uniform dispersion of carbon nanotubes therein, and difficulty in processing the common powder form of carbon nanotube products
Inactive Publication Date: 2012-10-04
TSINGHUA UNIV +1
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Benefits of technology
[0007]Carbon nanotube composite is one kind of manipulable carbon nanotube structures. A method for producing carbon nanotube composites includes a stirring step or vibration step to disperse carbon nanotube powder in the composite. However, carbon nanotubes have extremely high surface energy and are prone to aggregate. Therefore, it is very difficult to achieve a composite with carbon nanotubes evenly dispersed therein. Furthermore, the carbon nanotubes dispersed in the carbon nanotube composite produced by this method, results in a surface of the carbon nanotube composite with low conductivity, thereby limiting the application of the carbon nanotube composite.
Problems solved by technology
However, one main obstacle in applying carbon nanotubes is the difficulty in processing the common powder form of the carbon nanotube products.
However, carbon nanotubes have extremely high surface energy and are prone to aggregate.
Therefore, it is very difficult to achieve a composite with carbon nanotubes evenly dispersed therein.
Furthermore, the carbon nanotubes dispersed in the carbon nanotube composite produced by this method, results in a surface of the carbon nanotube composite with low conductivity, thereby limiting the application of the carbon nanotube composite.
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[0025]The disclosure is illustrated by way of example and not by way of limitation in the figures of the accompanying drawings in which like references indicate similar elements. It should be noted that references to “an” or “one” embodiment in this disclosure are not necessarily to the same embodiment, and such references mean at least one.
[0026]Referring to FIG. 1 and FIG. 2, a method for forming a carbon nanotube composite includes:
[0027](a) providing a substrate 300 having a surface 301;
[0028](b) disposing a carbon nanotube structure 304 on the surface 301 of the substrate 300; and
[0029](c) disposing the substrate 300 and the carbon nanotube structure 304 in an environment filled with electromagnetic waves.
[0030]In step (a), the substrate 300 can be made of ceramic, glass, a polymeric material, or a macromolecular material. Examples of the polymeric material include polyethylene, epoxy, bismaleimide resin, cyanate resin, polypropylene, polyethylene, polyvinyl alcohol, polystyren...
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Abstract
A method for forming a carbon nanotube composite includes the following steps. A substrate having a surface is provided. A carbon nanotube structure is disposed on the surface of the substrate. The carbon nanotube structure includes a number of carbon nanotubes. The carbon nanotubes define a number of micro gaps. The substrate and the carbon nanotube structure are disposed in an environment filled with electromagnetic waves such that the surface of the substrate is melted and is permeated into the micro gaps.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims all benefits accruing under 35 U.S.C. §119 from China Patent Application No. 201110082160.1, filed on Apr. 1, 2011 in the China Intellectual Property Office, disclosure of which is incorporated herein by reference.BACKGROUND[0002]1. Technical Field[0003]The present disclosure relates to a carbon nanotube composite and a method for forming the carbon nanotube composite.[0004]2. Description of Related Art[0005]Carbon nanotubes are a novel carbonaceous material having extremely small size and extremely large specific surface area. Carbon nanotubes have interesting and potentially useful electrical and mechanical properties, and have been widely used in various fields such as emitters, gas storage and separation, chemical sensors, and high strength composites.[0006]However, one main obstacle in applying carbon nanotubes is the difficulty in processing the common powder form of the carbon nanotube products. Therefore, f...
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Login to View More IPC IPC(8): B05D3/06B32B27/06B29C71/04B32B5/12B82Y30/00B82Y40/00
CPCB32B27/30B32B27/32B32B27/365B32B27/38Y10T428/30B32B9/04Y10T428/265Y10T428/24132B32B2457/208G06F3/045G06F2203/04103G06F3/041
Inventor JIANG, KAI-LIWANG, JIA-PINGXIE, RUIFAN, SHOU-SHAN
Owner TSINGHUA UNIV