Synthetic method of polyaniline/carbon fiber composite material with nano-ordered structure

A technology of ordered structure and synthesis method, which is applied in the synthesis field of polyaniline/carbon fiber composite materials with nano-ordered structure, can solve the problems of composite material performance degradation, environmental hazards, cumbersome template removal process, etc., and achieve uniform size and easy operation , the effect of excellent electrochemical stability

Inactive Publication Date: 2013-04-17
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method also has many limitations. For example, the presence of templates will lead to a decrease in the performance of composite materials, and the process of removing templates is cumbersome and harmful to the environment.

Method used

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  • Synthetic method of polyaniline/carbon fiber composite material with nano-ordered structure
  • Synthetic method of polyaniline/carbon fiber composite material with nano-ordered structure
  • Synthetic method of polyaniline/carbon fiber composite material with nano-ordered structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~10

[0021] Examples 1-10 (the influence of the concentration of aniline on the nanometer size of polyaniline)

[0022] At room temperature, ultrasonically disperse 3 mg of CFs in 7 ml of 1mol / L HClO 4 System 1 was obtained in the solution. After the CFs were dispersed uniformly by ultrasonic, ANI was added, and the ultrasonic dispersion was continued to obtain System 2. At the same time, APS was ultrasonically dispersed in 3ml HClO with a concentration of 1mol / L at room temperature. 4 System 3 was obtained in the solution; mixed system 2 and system 3 obtained CFs / ANI / APS ternary system, wherein the molar ratio ANI:APS=1:1 was maintained, and the final concentration of carbon fiber was 0.3mg / ml respectively; CFs / ANI / The APS ternary system was quickly transferred to an ice-water bath, mechanically stirred at a constant temperature of 0 °C for 3 h, collected and dried, and a polyaniline / carbon fiber composite material with a nano-ordered structure was obtained.

[0023] Among them,...

Embodiment 11~12

[0026] Embodiments 11-12 (the influence of reaction time on the nanometer size of polyaniline)

[0027] After the CFs / ANI / APS ternary system was transferred to an ice-water bath, the stirring reaction was carried out at 7 h and 14 h respectively, and the others were the same as in Example 2. Figure 4 a~c are the transmission electron microscope comparison diagrams of the polyaniline / carbon fiber composite material with nano-ordered structure prepared in Examples 2, 11, and 12. From the figure, it can be clearly seen that the length of polyaniline changes with the increase of reaction time. long.

Embodiment 13

[0029] CFs dosage is 1mg, ANI dosage is 18.624mg, APS dosage is 22.82mg, HClO 4 The concentration of the solution is 0.5mol / L, keep the CFs / ANI / APS ternary system, the molar ratio ANI:APS=2:1, constant temperature mechanical stirring at -10°C, the others are the same as in Example 2, and a nano-ordered structure is also obtained polyaniline / carbon fiber composite material.

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Abstract

The invention belongs to the technical field of organic polymer chemistry and nano-composite materials and discloses a synthetic method of a polyaniline / carbon fiber composite material with a nano-ordered structure. The synthetic method comprises the following steps: dispersing carbon fibers, phenylamine and ammonium persulphate in 0.5-2 mol / L of perchloric acid solution and ensuring that in an obtained carbon fiber / phenylamine / ammonium persulphate system, the molar ratio of phenylamine to ammonium persulphate is (1-3):1, and the final concentration of the carbon fibers, the phenylamine and the ammonium persulphate is 0.1-0.5 mg / ml, 0.4656-4.656 mg / ml and 1.141-11.41 mg / ml; and transferring the carbon fiber / phenylamine / ammonium persulphate system into an ice-water bath, keeping the temperature to be 10 DEG C below zero to 5 DEG C, agitating for 3-14 hours at a constant temperature, and collecting and drying to obtain a target product. The synthetic method has the beneficial effects that not only the ordered structure formed by polyaniline self-assembly is realized, but also the size adjustment and control of the ordered structure are realized; and the polyaniline / carbon fiber composite material with the nano-ordered structure obtained by the invention has the advantages of uniform size, high orderliness and excellent electrochemical stability and can be used as an electrode material.

Description

technical field [0001] The invention belongs to the technical field of organic polymer chemistry and nanocomposite materials, and specifically discloses a method for synthesizing polyaniline / carbon fiber composite materials with nanometer ordered structure. Background technique [0002] The energy crisis and environmental protection are two major problems faced by countries in the world today, and the sustainable development of the global economy and society is facing severe challenges. Petroleum resources are becoming increasingly scarce, and the pollution of the environment caused by burning petroleum is becoming more and more serious. People are actively developing new energy sources and new energy storage devices. The development and research of biomass energy, ocean energy, fuel cells, chemical batteries and other new energy sources and energy storage devices have achieved certain results. However, due to their low efficiency, high cost, short service life, environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/02C08K7/06C08K3/04C08L79/02
Inventor 魏俊颐张佳楠许群刘洋
Owner ZHENGZHOU UNIV
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