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Method for preparing conductive polyaniline nanotube with maltose as template

A technology of conductive polyaniline and maltose, which is applied in the field of conductive polymer material preparation, can solve the problems affecting the electrochemical performance of polyaniline, irregularity, and uncontrollable diameter of polyaniline nanotubes, etc., to achieve good electrochemical performance, Effects of reduced internal resistance and high specific capacitance

Inactive Publication Date: 2016-08-31
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation of polyaniline by the template-free method has the advantages of environmental protection and simplicity, but the diameter of the obtained polyaniline nanotubes is uncontrollable and irregular, which affects the electrochemical performance of polyaniline to a certain extent.

Method used

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  • Method for preparing conductive polyaniline nanotube with maltose as template
  • Method for preparing conductive polyaniline nanotube with maltose as template

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Weigh 0.263g of maltose and add it to a flask containing 30 mL of deionized water, stir at room temperature for 0.5 h, then transfer the flask to an ice-water bath, then add 1 mL of aniline and 10 mL of 1mol / L hydrochloric acid solution to the flask, Stir for 1 h under the condition of ice-water bath to prepare a mixed solution, then add ammonium persulfate solution dropwise to the mixed solution, stir for 12 h under the condition of ice-water bath, then wash the reactant with deionized water and suction filter , until the filtrate was neutral, the resulting filter cake was dried in a vacuum oven at 50 °C for 24 h, and collected by grinding to obtain conductive polyaniline nanotubes.

[0016] The substance ratio of maltose to aniline is 1:15; the substance ratio of ammonium persulfate to aniline is 1:1.

Embodiment 2

[0018] Weigh 0.329g of maltose and add it to a flask filled with 30 mL of deionized water. After stirring at room temperature for 0.5 h, transfer the flask to an ice-water bath, and then add 1 mL of aniline and 10 mL of 1mol / L hydrochloric acid solution to the flask. Stir for 1 h under the condition of ice-water bath to prepare a mixed solution, then add ammonium persulfate solution dropwise to the mixed solution, stir for 12 h under the condition of ice-water bath, then wash the reactant with deionized water and suction filter , until the filtrate was neutral, the resulting filter cake was dried in a vacuum oven at 50 °C for 24 h, and collected by grinding to obtain conductive polyaniline nanotubes.

[0019] The substance ratio of maltose to aniline is 1:12; the substance ratio of ammonium persulfate to aniline is 1:1.

Embodiment 3

[0021] Weigh 0.438g of maltose and add it to a flask filled with 30 mL of deionized water. After stirring at room temperature for 0.5 h, transfer the flask to an ice-water bath, and then add 1 mL of aniline and 10 mL of 1mol / L hydrochloric acid solution to the flask. Stir for 1 h under the condition of ice-water bath to prepare a mixed solution, then add ammonium persulfate solution dropwise to the mixed solution, stir for 12 h under the condition of ice-water bath, then wash the reactant with deionized water and suction filter , until the filtrate was neutral, the resulting filter cake was dried in a vacuum oven at 50 °C for 24 h, and collected by grinding to obtain conductive polyaniline nanotubes.

[0022] The substance ratio of maltose to aniline is 1:9; the substance ratio of ammonium persulfate to aniline is 1:1.

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Abstract

The invention discloses a method for preparing a conductive polyaniline nanotube with maltose as a template. The method comprises the steps that maltose is weighed and added into a flask containing 30 mL of deionized water, after the mixture is stirred for 0.5 h at room temperature, the flask is transferred into an ice-water bath, and then 1 mL of aniline and 10 mL of 1mol / L hydrochloric acid solution are added into the flask; the mixture is stirred for 1 h under the condition of the ice-water bath, a mixed solution is prepared, an ammonium persulfate solution is added dropwise into the mixed solution, the mixture is stirred for 12 h under the condition of the ice-water bath, and then the reactants are washed and subjected to suction filtration with deionized water till the filtrate is neutral; a filter cake is dried in a vacuum drying oven for 24 h at the temperature of 50 DEG C, grinding and collecting are carried out, and the conductive polyaniline nanotube is prepared. The method is simple in preparation process, environmentally friendly and reliable, the raw material source is wide, cost is low, the method is suitable for industrial production, and the prepared conductive polyaniline nanotube is regular in structure, low in resistance and high in specific capacitance.

Description

technical field [0001] The invention belongs to the technical field of preparation of conductive polymer materials, in particular to a method for preparing conductive polyaniline nanotubes using maltose as a template. In this method, maltose is used as a template, and conductive polyaniline with a nanotube structure is prepared through self-assembly and in-situ polymerization of aniline. Background technique [0002] As a common conductive polymer, polyaniline is often used in supercapacitors, batteries, sensors and anti-corrosion fields due to its simple preparation, low cost, good environmental stability and unique physical and chemical properties. The great attention of scientific researchers all over the world. In particular, conductive polyaniline with nanostructures, due to its extremely small particle size, large specific surface area, and extremely fast electron transfer rate, endows nano-conductive polyaniline materials with many unique properties that traditional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/02
CPCC08G73/0266
Inventor 樊新陈韦良黄烈可
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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