Current State of Electroconductive Carbonblack

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  • 導電性カーボンブラックの現状
  • ドウデンセイ カーボンブラック ノ ゲンジョウ

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Abstract

Crystallites of carbon black (abbreviated as BC hereafter) are aggregates of polybenzene, where numerous π electrons exist and are responsible for electrical conductivity. Hundreds of commercial CB have different electrical conductivities because the motion of π electrons is varied due to differences in the backbone structure and surface functional groups of CB. In this review, after basic structures and properties of CB are represented, generally-mentioned implications of CB conductivity will be interpreted by reference to the three major CB properties and the experimental data mainly by the author. Finally, characteristics of representative CBs will be discussed simply using a model established by the author and coworkers.

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