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Carbon nano-cloth and preparation method thereof

A carbon nanometer and carbon nanotube array technology, applied in the field of materials, can solve problems such as poor heat dissipation and poor deformation resistance

Inactive Publication Date: 2019-05-17
SHENZHEN XIWAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the cloth made of traditional carbon nanotube fibers has poor deformation resistance and poor heat dissipation effect, which cannot meet the actual needs.

Method used

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  • Carbon nano-cloth and preparation method thereof
  • Carbon nano-cloth and preparation method thereof

Examples

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Effect test

preparation example Construction

[0025] The method for preparing carbon nano-cloths in one embodiment can prepare carbon nano-cloths with both tensile strength and electrical conductivity. The preparation method of the carbon nano-cloth comprises the following steps S110-S140:

[0026] S110, preparing a modified carbon nanotube array.

[0027] In one of the embodiments, the step of preparing the modified carbon nanotube array includes S111~S113:

[0028] S111, depositing a carbon nanotube array on the first substrate.

[0029] In one of the embodiments, the step of depositing the carbon nanotube array on the first substrate includes S1111-S1112:

[0030] S1111. Deposit a catalyst layer on the first substrate.

[0031] In one embodiment, the catalyst layer is formed on the surface of the first substrate by electron beam evaporation. Further, the material of the catalyst layer is at least one selected from iron, cobalt and nickel. The thickness of the catalyst layer is 20nm-23nm.

[0032] S1112. In a prot...

Embodiment 1

[0092] The preparation process of the carbon nano-cloth of the present embodiment is as follows:

[0093] (1) Take a piece of the first substrate, deposit and form a 20nm thick catalyst layer on the first substrate, the catalyst layer is a mixed material of nickel and cobalt (the mass ratio of nickel and cobalt is 1:1), and then place the first substrate In the chemical vapor deposition reaction furnace and through nitrogen, the temperature is raised to 900 ° C, and then the carbon source gas is introduced into the chemical vapor deposition reaction furnace (the carbon source gas includes ethylene and hexane, and the gas partial pressure ratio of ethylene and hexane is 2:1 ), and the flow rate of the carbon source gas is controlled at 15L / min to react for 25min, so that the surface of the first substrate is completely covered with a carbon nanotube array, the carbon nanotube array is a single-walled carbon nanotube array, and the length of the carbon nanotube array is 650 μm ,...

Embodiment 2

[0100] The preparation process of the carbon nano-cloth of the present embodiment is as follows:

[0101] (1) Take a piece of the first substrate, deposit and form a 23nm thick catalyst layer on the first substrate, the catalyst layer is a mixed material of nickel and cobalt (the mass ratio of nickel and cobalt is 1:1), and then place the first substrate In the chemical vapor deposition reaction furnace and through nitrogen, the temperature is raised to 550 ° C, and then the carbon source gas is introduced into the chemical vapor deposition reaction furnace (the carbon source gas includes ethylene and hexane, and the gas partial pressure ratio of ethylene and hexane is 5:1 ), and the flow rate of the carbon source gas is controlled at 5L / min to react for 10min, so that the surface of the first substrate is completely covered with a carbon nanotube array, the carbon nanotube array is a single-walled carbon nanotube array, and the length of the carbon nanotube array is 1180 μm ,...

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Abstract

The invention relates to carbon nano-cloth and a preparation method thereof. The preparation method comprises the following steps: a carbon nanotube array is formed on a first substrate; a high molecular polymer is formed on a second substrate, wherein the high molecular polymer is a copolymer of 2-oxazoline monomers and nitrogen-containing heterocyclic monomers; the high molecular polymer and thecarbon nanotube array are subjected to a grafting reaction, and a modified carbon nanotube array is obtained and spun, and a carbon nanotube fiber is obtained; a precursor is sprayed to the surface of the carbon nanotube fiber, a reaction is performed in a protective gas atmosphere, a modified carbon nano-fiber is obtained, the precursor is selected from at least one of epoxy resin, polyurethaneresin and polystyrene resin, the modified carbon nano-fiber is spun, modified cloth is obtained and placed in a solvent containing acetone, and the carbon nano-cloth is obtained. The preparation method can be used for preparing the carbon nano-cloth with high deformation resistance and better heat dissipation performance.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a carbon nano-cloth and a preparation method thereof. Background technique [0002] Carbon nanotubes, also known as bucky tubes, have a typical hollow structure. Carbon nanotubes are an ideal model material that can be used to make minute wires, nano-semiconductor materials, catalyst supports, and molecular absorbers. Wherein, the carbon nanotube fiber is prepared by spinning the carbon nanotube, and the carbon nanotube fiber is made into a cloth, so as to improve the mechanical and electrical properties of the cloth. However, the cloth made of traditional carbon nanotube fibers has poor deformation resistance and poor heat dissipation effect, which cannot meet the actual needs. Contents of the invention [0003] Based on this, it is necessary to provide a method for preparing carbon nano-cloths, which can be used to prepare carbon nano-cloths with strong deformation resist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/55D06M15/564D06M15/233D06M13/127D01F9/12D01F9/127D06M101/40
Inventor 邓飞
Owner SHENZHEN XIWAN TECH CO LTD