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Conductive paint, conductive composition and electronic component using the same

A technology of conductive coatings and conductive polymers, applied in conductive coatings, coatings, non-metallic conductors, etc., can solve the problems of high resistivity of conductive polymer materials, and achieve excellent performance, high capacity, and low resistivity. Effect

Active Publication Date: 2009-07-22
ZHENGZHOU TAIDA ELECTRONICS MATERIAL TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And solve the problem of high resistivity of conductive polymer materials such as solid electrolytic capacitors and ultra-large capacitors

Method used

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  • Conductive paint, conductive composition and electronic component using the same

Examples

Experimental program
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Effect test

preparation example Construction

[0098] (Preparation of carbon material 1)

[0099] Mix 5 g of carbon nanotubes, 20 g of 20 wt % hydrogen peroxide, and 10 g of 20 wt % ammonia water to obtain a mixed solution. The mixed solution was stirred at 60°C for 6 hours. After washing with ethanol, the carbon material 1 containing amino group and hydroxyl group was obtained.

[0100] (Preparation of carbon material 2)

[0101] Mix 5 g of fullerene (fullerene C60) and 20 g of 20 wt % hydrogen peroxide to obtain a mixed solution. The mixed solution was stirred at 60°C for 6 hours. Hydroxyl-containing carbon material 2 was obtained after washing with ethanol.

Embodiment 1

[0103] Add 0.06 g of carbon material 1 or carbon material 2 to 10 g of 1.2 wt % conductive polymer aqueous solution and 0.5 g of dimethyl sulfoxide (DMSO), respectively, to obtain a mixed solution of carbon material 1 a and the mixed solution b of the carbonaceous material 1, the mixed solutions a and b are emulsified under high pressure under a pressure of 100 MPa to obtain conductive paint a and conductive paint b.

[0104] Conductive coating a and conductive coating b were respectively coated on the glass, and dried in an oven at 120° C. to obtain conductive compositions a and b. The conductivity of the conductive composition was evaluated, and the results are shown in Table 1.

Embodiment 2

[0115] The conductive polymer electrolyte solution a and the conductive polymer electrolyte solution b are respectively impregnated into the semi-finished element of the winding capacitor by vacuum decompression method, and then dried in an oven at 120°C, and then impregnated / dried by the same method 2 times, the element a containing the solid electrolyte and the element b containing the solid electrolyte were obtained respectively. After the element containing the solid electrolyte is sealed with a casing and a rubber cover, a solid electrolytic capacitor a and a solid electrolytic capacitor b are obtained. The ESR performance of solid electrolytic capacitors was evaluated, and the results are shown in Table 2.

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Abstract

A method for preparing electroconductive polymer solution comprises the steps as follows: in the procedure of preparing the electroconductive polymer solution from monomer mixed solution containing electroconductive polymers, an emulsion procedure is adopted to improve the conductivity of the electroconductive polymers so as to obtain the electroconductive polymer with high conductivity. The coating film of the polymer solution has high conductivity and transmission and low resistance. When the coating film is used for the solid electrolyte of a solid electrolytic capacitor, favorable performances such as low ESR and the like can be achieved.

Description

technical field [0001] The invention belongs to the field of conductive coatings and conductive materials, and relates to conductive coatings, conductive compositions and electronic components using the conductive compositions. Background technique [0002] Conductive polymer materials including conductive polymers are expected to be used in: conductive applications, conductive coatings, antistatic agents, electromagnetic wave shielding materials, transparent conductive materials, battery materials, capacitor materials, sensors, electronic device materials, semiconductive materials , solar cells, organic light-emitting diodes, field emission displays (FED), touch screens, electroluminance sheets (Electroluminance), organic thin-film transistors (Organic thin-film transistors), electrostatic copying parts, transfer parts, electronic paper (epaper ), electrophotographic materials, etc. [0003] Generally, the so-called conductive polymers are polypyrrole, polythiophene, polya...

Claims

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Application Information

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IPC IPC(8): C09D5/24C09D201/02H01B1/12
Inventor 宁俊禄
Owner ZHENGZHOU TAIDA ELECTRONICS MATERIAL TECH
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