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Preparation method and application of one-dimensional rod-spherical attapulgite/polyaniline conductive composite

A conductive composite material and attapulgite technology, applied in conductive coatings and other directions, can solve the problems of high cost and high price of conductive fillers, and achieve the effects of improving conductivity, promoting dispersion and good conductivity

Active Publication Date: 2017-06-13
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conductive fillers are expensive and expensive

Method used

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  • Preparation method and application of one-dimensional rod-spherical attapulgite/polyaniline conductive composite
  • Preparation method and application of one-dimensional rod-spherical attapulgite/polyaniline conductive composite
  • Preparation method and application of one-dimensional rod-spherical attapulgite/polyaniline conductive composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) 0.25 kg Fe(NO 3 ) 3 9H 2 O was dissolved in 1.0 kg of attapulgite rod crystal dispersion liquid with a concentration of 10% by mass. After immersion for 2 hours, while stirring, an ammonia solution with a molar concentration of 2 mol / liter was added dropwise until the pH value of the system could be maintained stably. In 9, filter, wash the filter cake and dry at 300°C for 4 hours in an air atmosphere, cool to room temperature and pulverize to obtain Fe 2 o 3 / Attapulgite composite material;

[0021] (2) Fe obtained in step (1) 2 o 3 / Add the attapulgite composite material to 2.0 kg of deionized water, ultrasonically disperse it for 60 minutes, add 0.145 kg of aniline monomer, stir for 3 hours, and slowly pour it into the above mixture while stirring at a temperature of 5°C. Add dropwise 4.68 liters of hydrochloric acid solution with a molar concentration of 2 mol / liter, continue to stir and react for 8 hours after the dropwise addition, filter, wash the fil...

Embodiment 2

[0023] (1) 0.075 kg Fe(NO 3 ) 3 9H 2 O was dissolved in 1.0 kg mass percent concentration of 10% attapulgite rod crystal dispersion, after 6 hours of immersion, while stirring, dropwise added ammonia solution with a molar concentration of 1 mol / liter until the system pH value can be maintained stably In 8, filter, wash the filter cake and dry at 200°C for 1 hour in an air atmosphere, cool to room temperature and pulverize to obtain Fe 2 o 3 / Attapulgite composite material;

[0024] (2) Fe obtained in step (1) 2 o 3 / Add the attapulgite composite material to 2.0 kg of deionized water, ultrasonically disperse it for 30 minutes, add 0.027 kg of aniline monomer, stir for 1 hour, and slowly pour it into the above mixture while stirring at a temperature of 0°C. Add dropwise 2.5 liters of hydrochloric acid solution with a molar concentration of 4 mol / liter, continue to stir and react for 4 hours after the dropwise addition, filter, wash the filter cake until the pH value of t...

Embodiment 3

[0026] (1) 0.165 kg Fe(NO 3 ) 3 9H 2 O was dissolved in 1.0 kg mass percent concentration of 10% attapulgite rod crystal dispersion, after 4 hours of immersion, while stirring, dropwise added ammonia solution with a molar concentration of 1.5 mol / liter until the pH value of the system can be maintained stably In 8.5, filter, wash the filter cake and dry at 250°C for 2.5 hours in an air atmosphere, cool to room temperature and pulverize to obtain Fe 2 o 3 / Attapulgite composite material;

[0027] (2) Fe obtained in step (1) 2 o 3 / Add the attapulgite composite material to 2.0 kg of deionized water, ultrasonically disperse for 45 minutes, add 0.105 kg of aniline monomer, stir for 2 hours, and slowly pour it into the above mixture while stirring at a temperature of 2.5°C Add dropwise 3.12 liters of hydrochloric acid solution with a molar concentration of 3 mol / liter, continue to stir and react for 6 hours after the dropwise addition, filter, wash the filter cake until the...

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Abstract

The invention belongs to the field of preparation of conductive composites and in particular relates to a preparation method and application of a one-dimensional rod-spherical attapulgite / polyaniline conductive composite. Attapulgite rod crystals are taken as a carrier, firstly, iron oxide nanoparticles are loaded on the surfaces of the attapulgite rod crystals, and then released Fe<3+> is utilized for oxidizing a phenylamine monomer on the surface of iron oxide in an iron oxide self-dissolution process, so that the rod-spherical attapulgite / polyaniline conductive composite is formed. The conductive composite can be applied to paint.

Description

technical field [0001] The invention belongs to the field of conductive composite material preparation, and in particular relates to a preparation method and application of a rod-spherical attapulgite / polyaniline conductive composite material. Background technique [0002] The coating formed by coating the coating on the base material generally has the phenomenon of static electricity accumulation. At present, this problem is mainly solved by adding conductive powder to the coating. Most of the conductive powders commonly used in the market are spherical, with a large amount of addition, which is easy to cause precipitation and affect the mechanical properties of the matrix resin. Therefore, the development of fibrous conductive materials has become an inevitable trend of its development. The core material of the current fibrous conductive filler is mainly artificially synthesized fibrous potassium titanate, acicular titanium dioxide, etc., and the conductive film layer is m...

Claims

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Application Information

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IPC IPC(8): C09D5/24C08G73/02
CPCC08G73/0266C09D5/24
Inventor 徐亚南刘文杰左士祥姚超俞俊杰闫超威顾雅婷韩志鹏胡鹏
Owner CHANGZHOU UNIV
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