Viscosities of liquids, colloidal suspensions, and polymeric systems under zero or non-zero electric field.
The viscosities of pure liquids, polymer solutions and melts, and colloidal suspensions under zero or non-zero electric field are surveyed in this paper and the focus is placed on the case that no electric field is applied. The free volume concept and Eyring's rate theory is used for deriving the viscosity equations of pure liquids, polymer solutions and melts, and colloidal suspensions. The derived equations are found to be more universal and could be reduced to many currently used equations under certain simplifications. Qualitatively, those derived equations are in consistent with experimental results, too.
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