Maitian New Material
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11
2023
-
09
The higher the oil absorption value of conductive carbon black, the higher the structure and better the conductivity of conductive carbon black
Author:
The filling of conductive carbon black into polymer materials will reduce their volume resistivity, and the degree of reduction depends on the properties of carbon black particles and their filling amount. When the other characteristics of carbon black are the same, the finer the primary particles and the smaller the primary aggregates, the lower the volume resistivity of the polymer mixture. The increase in the structure of conductive carbon black will result in a decrease in the volume resistivity of the polymer mixture. The basic properties of high conductivity carbon black must be small particle size, large specific surface area, highly developed structure, less impurities that float π electrons, high degree of graphitization, and porosity.
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