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Preparation method for polysilane azide-multiwalled carbon nanotube composite material

A technology of multi-wall carbon nanotubes and nitriding polysilane is applied in the field of preparation of polysilane-multi-wall carbon nanotube composite materials, which can solve the problems of destroying the integrity of multi-wall carbon nanotubes, complicated preparation process, etc. Destruction, Simplified Reaction Process, Simple Step Effect

Inactive Publication Date: 2015-05-20
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing method for preparing polysilane / multi-walled carbon nanotube composites has a complicated preparation process and destroys the integrity of multi-walled carbon nanotubes, and provides a polysilane azide -Preparation method of multi-wall carbon nanotube composite material

Method used

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  • Preparation method for polysilane azide-multiwalled carbon nanotube composite material
  • Preparation method for polysilane azide-multiwalled carbon nanotube composite material

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specific Embodiment approach 1

[0017] Specific embodiment 1: This embodiment is a polysilane azide-multi-walled carbon nanotube composite material composed of an acid solution with a concentration of 4mol / L to 6mol / L, an organic solvent, polysilane azide and multi-walled carbon Nanotubes are prepared; the mass of the multi-walled carbon nanotubes and the volume ratio of the acid solution are 1g:(200mL~350mL); the ratio of the mass of the multi-walled carbon nanotubes to the volume of the organic solvent is 1g:( 200mL-350mL); the mass ratio of the multi-walled carbon nanotubes to polysilane azide is 1:(25-120).

[0018] In this embodiment, azide polysilane-multi-wall carbon nanotube composite material is prepared through a [3+2] cycloaddition reaction between azide polysilane and multi-wall carbon nanotubes.

[0019] In this embodiment, the surface of the multi-walled carbon nanotubes is not treated with carboxylation or acyl chloride, which not only simplifies the reaction process of modifying the multi-wal...

specific Embodiment approach 2

[0020] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the acid solution is hydrochloric acid, nitric acid or sulfuric acid. Others are the same as the first embodiment.

specific Embodiment approach 3

[0021] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the organic solvent is o-dichlorobenzene or monochlorobenzene. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a polysilane azide-multiwalled carbon nanotube composite material and a preparation method thereof, and relates to a polysilane-multiwalled carbon nanotube composite material and a preparation method thereof, aiming at solving the problems that the existing preparation method of polysilane-multiwalled carbon nanotube composite material is complicated in preparation process and the completeness of the multi-walled carbon nanotube is damaged. The polysilane azide-multiwalled carbon nanotube composite material is prepared from an acid solution, an organic solvent, polysilane azide and a multiwalled carbon nanotube. The preparation method comprises the following steps of: (I) calcining; (II) purifying and (III) carrying out azidation to obtain the polysilane azide-multiwalled carbon nanotube composite material. The preparation method disclosed by the invention is mainly used for preparing the polysilane azide-multiwalled carbon nanotube composite material.

Description

technical field [0001] The invention relates to a preparation method of polysilane-multi-walled carbon nanotube composite material. Background technique [0002] Polysilane is a class of polymers with silicon as the main chain and unique photoelectric properties. However, based on the poor conductivity of polysilane itself, it is mostly through the introduction of large π electrons and strong electronegative groups, so that polysilane can form a σ-π conjugated system with it to improve the conductivity of polysilane. Therefore, the organic combination of polysilane and multi-walled carbon nanotubes with good stability and conductivity through covalent bonds has high scientific research value. However, the surface modification of carbon nanotubes is usually carried out by carboxylation first, followed by a series of treatments such as acyl chloride, alcoholylation or amination, and the modification process is complicated. Moreover, during the processing, the pipe wall is sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/16C08K9/00C08K7/00C08K3/04C08G77/60C08G83/00
Inventor 尚岩王桢桢张桂玲
Owner HARBIN UNIV OF SCI & TECH
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