Preparation method of polyaniline conductive film

A technology of conductive film and polyaniline, which is applied in the field of preparation of polyaniline conductive film, can solve the problems of poor uniformity and stability of the film, lower quality of conductive film, and poor stability of finished products, so as to improve storage stability and conduction stability , Improve the effect of tensile strength

Inactive Publication Date: 2018-09-11
SUZHOU ZHIRUI PHOTOELECTRIC MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Among the conductive polymers that have been discovered so far, polyaniline has many advantages such as simple synthesis, low price, adjustable conductivity, and good environmental stability, especially in the fields of metal corrosion protection, electrostatic discharge, and electromagnetic interference shielding. The prospect of large-scale application has become the most widely studied conductive polymer material; however, in order to further improve the conductive properties of polyaniline and increase its application fields, it is often blended with conductive inorganic particles at present, although it can be Improve the conductivity, but due to the poor compatibility of inorganic particles and polyaniline, it will also cause poor stability of the finished product, especially when it is made into a composite film, it is more likely to cause poor uniformity and stability of the film and reduce the quality of the conductive film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Take sodium persulfate, add it to deionized water 30 times its weight, and stir evenly to obtain an aqueous initiator solution;

[0024] (2) Take the silane coupling agent kh560, add it to anhydrous ethanol 13 times its weight, raise the temperature to 60°C, add dodecyl mercaptan, keep stirring for 20 minutes, and obtain a composite silane solution;

[0025] (3) Take stearic acid, heat and melt it, mix it with light calcium carbonate, add it to deionized water 70 times the weight of the mixture, ultrasonicate it for 10 minutes, mix it with the above compound silane solution, and send it into the reaction kettle to control the reaction The pressure of the kettle is 1mpa, the elevated temperature is 95°C, the temperature is kept and stirred for 2 hours, the discharge is cooled, centrifuged, and the precipitate is dried to obtain organically modified calcium carbonate;

[0026] (4) Take polytetrafluoroethylene wax, add it to the solvent, and stir evenly to obtain a wax...

Embodiment 2

[0033] (1) Take ammonium persulfate, add it to deionized water 25 times its weight, and stir evenly to obtain an aqueous initiator solution;

[0034] (2) Take the silane coupling agent kh560, add it to anhydrous ethanol 10 times its weight, raise the temperature to 55°C, add dodecyl mercaptan, keep stirring for 4 minutes, and obtain a composite silane solution;

[0035] (3) Take stearic acid, heat and melt, mix with light calcium carbonate, add to deionized water 60 times the weight of the mixture, ultrasonicate for 5 minutes, mix with the above compound silane solution, and send it into the reaction kettle to control the reaction The pressure of the kettle is 0.9mpa, the elevated temperature is 90°C, the temperature is kept and stirred for 1 hour, the discharge is cooled, centrifuged, and the precipitate is dried to obtain organically modified calcium carbonate;

[0036] (4) Take polytetrafluoroethylene wax, add it to the solvent, and stir evenly to obtain a wax solvent;

[...

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Abstract

The invention discloses a preparation method of a polyaniline conductive film. Specific preparation steps comprise: 1) preparation of an aqueous solution of an initiator; 2) preparation of a compositesilane solution; 3) preparation of organic modified calcium carbonate; 4) preparation of a wax solvent; 5) preparation of a polyaniline solution; 6) preparation of modified polyaniline; and 7) preparation of the polyaniline conductive film. During the polymerization process of aniline, an acid doping agent is introduced, thus effectively enhancing conducting stability of the polyaniline product.Meanwhile, by adding t-butyl, storage stability of the film can be enhanced.

Description

technical field [0001] The invention belongs to the field of film preparation, and in particular relates to a preparation method of polyaniline conductive film. Background technique [0002] Among the conductive polymers that have been discovered so far, polyaniline has many advantages such as simple synthesis, low price, adjustable conductivity, and good environmental stability, especially in the fields of metal corrosion protection, electrostatic discharge, and electromagnetic interference shielding. The prospect of large-scale application has become the most widely studied conductive polymer material; however, in order to further improve the conductive properties of polyaniline and expand its application fields, it is often blended with conductive inorganic particles at present. Improve the conductivity, but due to the poor compatibility of inorganic particles and polyaniline, the stability of the finished product will also be poor, especially when it is made into a compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L79/02C08L27/18C08K13/06C08K9/06C08K9/04C08K3/26C08K5/13C08K5/42C08K5/092C08J5/18C08G73/02
CPCC08G73/0266C08J5/18C08J2379/02C08J2427/18C08K5/092C08K5/13C08K5/42C08K9/04C08K9/06C08K13/06C08K2003/265
Inventor 顾黎明
Owner SUZHOU ZHIRUI PHOTOELECTRIC MATERIAL TECH CO LTD
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