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Modified carbon nanotube conductive carbon slurry

A technology of conductive carbon paste and nanotubes, which is applied in the direction of conductive materials dispersed in non-conductive inorganic materials, etc., can solve the problems of the influence of electrode conductivity, poor hydrophilicity of conductive carbon paste, and reduce the quality of working electrodes. Conductive properties and the effect of improving hydrophilicity

Inactive Publication Date: 2019-10-08
苏州怡拓生物传感技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of printing of existing biosensor working electrodes and conductive circuits, it is generally necessary to immerse the working electrodes in the conductive carbon paste to form a film on the surface of the working electrodes, but the hydrophilicity of the traditional conductive carbon paste is poor. The conductivity of the obtained electrode is affected, reducing the quality of the working electrode for use

Method used

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  • Modified carbon nanotube conductive carbon slurry
  • Modified carbon nanotube conductive carbon slurry
  • Modified carbon nanotube conductive carbon slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A modified carbon nanotube conductive carbon paste, its components and the mass fraction of each component are as follows:

[0024]

[0025] The production steps are as follows:

[0026] (1). According to the requirements of the actual production volume, weigh the corresponding mass fraction of hydroxylated nanotubes, micron graphite, alcohol solvents and polyvinyl acetal resin;

[0027] (2). Add the polyvinyl acetal resin to the alcohol solvent until the polyvinyl acetal resin is completely dissolved;

[0028] (3). Slowly add micron-sized graphite and hydroxylated nanotubes into the solution obtained in step (2) at the same time, and stir evenly to obtain the final modified carbon nanotube conductive carbon paste.

Embodiment 2

[0030] A modified carbon nanotube conductive carbon paste, its components and the mass fraction of each component are as follows:

[0031]

[0032] The preparation process refers to Example 1.

Embodiment 3

[0034] A modified carbon nanotube conductive carbon paste, its components and the mass fraction of each component are as follows:

[0035]

[0036] The preparation process refers to Example 1.

[0037] The modified carbon nanotube conductive carbon paste prepared by using the above components and the above process has good hydrophilicity, and at the same time, because it contains carbon nanotubes, its conductivity is improved and the quality of the working electrode is guaranteed.

[0038] Through the above method, the modified carbon nanotube conductive carbon paste provided by the present invention improves the conductivity of the entire conductive carbon paste by adding modified carbon nanotubes, so as to improve the hydrophilicity of the conductive carbon paste and improve the working electrode. Conductivity and the purpose of ensuring the quality of the working electrode.

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Abstract

The invention discloses modified carbon nanotube conductive carbon slurry, which comprises the following components: by mass fraction, 1 to 10 wt% of modified carbon nanotubes, 10 to 20 wt% of conductive carbon material, 65 to 79 wt% of solvent and 5 to 10 wt% of resin. The conductivity of the whole conductive carbon slurry is improved by adding of the modified carbon nanotubes, the hydrophilicityof the conductive carbon slurry is achieved, and the purposes of improving the conductivity of the working electrode and ensuring the use quality of the working electrode are improved.

Description

technical field [0001] The invention relates to the printing field of biosensor working electrodes and conductive circuits, in particular to modified carbon nanotube conductive carbon paste. Background technique [0002] In the field of printing of existing biosensor working electrodes and conductive circuits, it is generally necessary to immerse the working electrodes in the conductive carbon paste to form a film on the surface of the working electrodes, but the hydrophilicity of the traditional conductive carbon paste is poor. The conductivity of the obtained electrode is affected, reducing the quality of the working electrode for use. Contents of the invention [0003] In order to solve the above technical problems, the present invention proposes a modified carbon nanotube conductive carbon paste to achieve the purpose of improving the hydrophilicity of the conductive carbon paste, improving the conductivity of the working electrode and ensuring the quality of the worki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/24
CPCH01B1/24
Inventor 董明建
Owner 苏州怡拓生物传感技术有限公司