Preparation method of aqueous conductive paste

A production method and technology of conductive paste, applied to conductive materials dispersed in non-conductive inorganic materials, equipment for manufacturing conductive/semiconductive layers, cable/conductor manufacturing, etc., can solve the heavy cost of flexible electronics manufacturing Pressure and other issues, to achieve good stability, high conductivity, uniform dispersion effect

Inactive Publication Date: 2018-12-11
太仓萃励新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On this basis, carbon black, graphene, silver nanowires, copper nanowires and other materials are added to blend to improve conductivity, such as the Orgacon EL-P4020 product with carbon black, but the existing products are expensive for flexible electronics manufacturing Industry brings heavy cost pressure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of preparation method of water-based conductive paste, formula is made up of the composition of following mass ratio content:

[0020] Deionized water: 100 parts;

[0021] Poly 3,4-ethylenedioxythiophene: 1 part;

[0022] Polyvinylamine: 1 part;

[0023] Tetra(dimethylamine)ethylene: 2 parts;

[0024] Deionized water is used as a solvent, and the rest are functional components. The production method is to add functional components to deionized water, stir in an ultrasonic environment at room temperature to 50°C for 8 to 12 hours to obtain a stable conductive dispersion slurry, and spin or scrape the slurry On the surface of the material, air-dry at room temperature to 70°C to obtain a conductive coating with a conductivity of 0.4Scm -1 , Seebeck coefficient -26μV / K.

Embodiment 2

[0026] A kind of preparation method of water-based conductive paste, formula is made up of the composition of following mass ratio content:

[0027] Deionized water: 100 parts;

[0028] Poly 3,4-dimethoxythiophene: 4 parts;

[0029] Polyvinylamine: 4 parts;

[0030] Polyvinylamine-treated carbon nanotubes: 3 parts;

[0031] Acetylacetone: 2 parts;

[0032] Mineral oil: 0.1 parts;

[0033] Deionized water is used as a solvent, and the rest are functional components. The production method is to add functional components to deionized water, stir in an ultrasonic environment at room temperature to 50°C for 8 to 12 hours to obtain a stable conductive dispersion slurry, and spin or scrape the slurry On the surface of the material, air-dry at room temperature to 70°C to obtain a conductive coating with a conductivity of 35Scm -1 , Seebeck coefficient -8μV / K.

Embodiment 3

[0035] A kind of preparation method of water-based conductive paste, formula is made up of the composition of following mass ratio content:

[0036] Deionized water: 100 parts;

[0037] Poly 3-methoxythiophene: 5 parts;

[0038] Polyvinylamine: 5 parts;

[0039] Tetra(dimethylamine)ethylene: 3 parts;

[0040] Graphene treated with polyvinylamine: 2 parts;

[0041] Acetylacetone: 2 parts;

[0042] Polyether compound: 0.1 part;

[0043] Deionized water is used as a solvent, and the rest are functional components. The production method is to add functional components to deionized water, stir in an ultrasonic environment at room temperature to 50°C for 8 to 12 hours to obtain a stable conductive dispersion slurry, and spin or scrape the slurry On the surface of the material, air-dry at room temperature to 70°C to obtain a conductive coating with a conductivity of 47Scm -1 , Seebeck coefficient -6μV / K.

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Abstract

A preparation method of an aqueous conductive paste is characterized in that the formula is composed of the following components in mass ratio: 100 parts of deionized water; 1 to 5 parts of polythiophene derivative, 1 to 6 parts of polyvinylamine, 0 to 3 parts of tetrakis (dimethylamine) ethylene, 0 to 5 parts of N-type inorganic conductive filler, 0-3 parts of dispersant, 0 to 0.1 part of defoaming agent, wherein the content of the polydiallyldime thylammonium chloride is not lower than the content of the added polythiophene derivative, the content of dispersant is not less than 1/2 of the content of inorganic conductive filler, and the preparation method comprises adding functional components into deionized water, stirring at room temperature to 50 DEG C for 8 to 12 hours to obtain stable conductive dispersion paste, spin coating or scraping the pasteon the surface of the material, and air drying at room temperature to 70 DEG C to obtain a conductive coating. All raw materials of theinvention are common and cheap chemicals, so that large scale volume production is facilitated. The coatings are N-type conductive and can be used in flexible thermoelectric devices, flexible optoelectronic devices and other fields.

Description

technical field [0001] The invention belongs to the technical field of material chemistry and relates to a preparation method of water-based conductive paste. Background technique [0002] With the development of intelligent electronic technology, flexibility has become a major development trend of electronic devices. Research on flexible conductive electrode materials is in the ascendant worldwide. Flexible conductive coatings and electrodes mainly include polymers filled with inorganic conductive fillers and conjugated conductive polymers. The polymer of the polymer coating filled with inorganic conductive filler mainly acts as a binder, and conducts electricity mainly through percolation, and the conductivity stability is affected; while the conjugated conductive polymer coating is an intrinsic conductive coating. The PH200-PH1000 series of conjugated polymer organic transparent conductive pastes produced by Clevios in Germany and the OrgaCon series of PEDOT conductive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00H01B1/20H01B1/22H01B1/24
CPCH01B1/20H01B1/22H01B1/24H01B13/00H01B13/0026
Inventor 汪元元
Owner 太仓萃励新能源科技有限公司
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