Abstract
Abstract The colloidal properties of carbon black feedstock from different origins (petroleum and coal) which may directly influence the carbon black quality have been investigated. The effect of feedstock asphaltenes on their colloidal stability on processing (storage, transportation and treatment) is summarized. A possible relationship between incompatibility of feedstock and structure-mechanical resistance is defined using a stability factor as a consolidated measure of capacity of dispersive system. The physical and mechanical effects are found to be pronounced at a particular phase change temperature state and leads to deformation of the structural system. A correlation between viscous flow activation energy and the stability factor is established and the colloidal stability of the system is defined.
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