<論文>カーボンブラック粒子のエタノール水分散系における移動度

概要

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The mobility of carbon black particles was measured by an electrophoretic method. The samples used were an industrial black for printing ink and the ones treated superficially. The dispersion media were aqueous solutions of ethanol containing KC1. The mobility of the particles was found to depend on the concentration of ethanol and factors which determine the electrophoretic behavior of the particles in the media were the specific conductivity, viscosity, reactivities of adsorpted dispersion molecules and ions, and those of functional acidic groups on the particles. The dispersibility and stability of the particles relating to the mobility were discussed on the basis of the DLVO theorem.