Rheological Properties of Polyacrylonitrile Solutions Containing Highly Dispersed Carbon Nanotubesстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:Rheological properties of dispersions of carbon nanotubes in dimethylsulfoxide solutions of polyacrylonitrile are studied at different concentrations of the components. The viscosity values of all the studied dispersions are substantially dependent on shear rate. For a number of systems, the energies of activation of viscous flow are determined. The relationship of viscosity and the energy of activation of flow to the compositions and possible structural features of dispersions is discussed. The concentration regime where a thermally reversible mixed network exists with crosslinks formed by physical contacts of the polymer with nanotubes is characterized.