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Method for preparing carbon nano tube composite material loaded with nano indium-tin oxide

A technology of carbon nanotubes and composite materials, applied in nanostructure manufacturing, nanotechnology, nanotechnology, etc., can solve problems such as complex processes and achieve the effect of simple processes

Inactive Publication Date: 2010-08-04
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention is to solve the problem that the existing method for preparing the nano-indium tin oxide-loaded carbon nanotube composite material has complex processes, and provides a preparation method for the nano-indium tin oxide-loaded carbon nanotube composite material

Method used

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specific Embodiment approach 1

[0007] Embodiment 1: The preparation method of the carbon nanotube composite material loaded with nano indium tin oxide in this embodiment is carried out according to the following steps: 1. Take indium nitrate, tin chloride and ethylene glycol methyl ether respectively, wherein indium nitrate : The molar ratio of tin chloride is 1:0.1~0.125, the molar ratio of indium nitrate: ethylene glycol methyl ether is 1:0.1~0.5, and indium nitrate, tin chloride and ethylene glycol methyl ether are added to the reactor reflux at 75°C to 85°C for 20h to 28h to obtain an organic phase solution; 2. Weigh resorcinol, formaldehyde, sodium carbonate and water respectively, wherein the molar ratio of resorcinol: formaldehyde is 100 : 45 ~ 55, resorcinol: sodium carbonate molar ratio is 100: 0.08 ~ 0.12, resorcinol: water molar ratio is 100: 15 ~ 20, and resorcinol, formaldehyde, sodium carbonate and Add water into the reactor and mix evenly, then use hydrochloric acid to adjust the pH value to ...

specific Embodiment approach 2

[0009] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step one, the molar ratio of indium nitrate: tin chloride is 1:0.11~0.12, and the molar ratio of indium nitrate: ethylene glycol methyl ether is 1: 0.15~0.45. Other steps and parameters are the same as in the first embodiment.

specific Embodiment approach 3

[0010] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: in step one, the molar ratio of indium nitrate: tin chloride is 1:0.115, and the molar ratio of indium nitrate: ethylene glycol methyl ether is 1: 0.25. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for preparing a carbon nano tube composite material, in particular to a method for preparing a carbon nano tube composite material loaded with nano indium-tin oxide. The invention solves the problem of complicated process of the traditional method for preparing the carbon nano tube composite material loaded with nano indium-tin oxide. The method comprises the following steps of: preparing an organic phase solution by using indium nitrate, stannic chloride and ethylene glycol methyl ether; preparing an aqueous phase solution by using resorcinol, formaldehyde, sodium carbonate and water; dropwise adding the organic phase solution into the aqueous phase solution to obtain a precursor solution; soaking a porous aluminum oxide template into the precursor solution and standing; then sintering; finally, removing the template by using sodium hydroxide, washing and drying to obtain the carbon nano tube composite material loaded with the nano indium-tin oxide. The invention has simple process and can be used for preparing a hydrogen sensitive element.

Description

technical field [0001] The invention relates to a preparation method of a carbon nanotube composite material. Background technique [0002] Carbon nanotubes have the characteristics of hollow, light weight, high specific surface area, high conductivity and biocompatibility, and the loading of oxides on carbon nanotubes endows carbon nanotubes with new characteristics, making them have more excellent physical properties. And chemical properties, such as catalytic, optical, gas sensitive and absorbing properties, etc. The existing preparation method of metal oxide-loaded carbon nanotube composite material is: first prepare or purchase carbon nanotubes, then carry out surface modification on carbon nanotubes, and then attach the precursor particles of metal oxides by adsorption and electrostatic interaction. On the surface of the carbon nanotubes, the precursor of the metal oxide is converted into a metal oxide by heat treatment, so as to obtain a composite material of the met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00
Inventor 叶枫张海礁刘利盟
Owner HARBIN INST OF TECH
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