Note:The rheological properties of aqueous dispersions of hydrolyzed polyacrylonitrile-grafted cellulose (H-CPAN) have been investigated. The concentrated suspensions are pseudoplastic and thixotropic. The intrinsic viscosity of the suspended particles have been measured at various electrolyte concentrations, p, and have been found to increase linearly with 1/u. The apparent viscosity is reduced by increasing the electrolyte concentration or lowering the pH. The increase in apparent viscosity, np2 with concentration, C, at a constant shear is initially-exponential. [...]Ce présent travail se porte sur les propriétés rhéologiques des dispersions aqueuses de polyacrylonitrile hydrolysé, greffé sur cellulose (H-CPAN). Les suspensions concentré...
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