Effect of Polyethylene Oxide on the Rheological Behavior of Bentonite Suspensions

The effect of Polyethylene Oxide (PEO) with a molecular weight 10000g/mol on the rheological behavior bentonite suspension was examined in terms viscosity, yield stress and viscoelastic modulus (G’ G’’); characteristic complex behaviour montmorillonite water. A Physica MCR301 rheometer has been used to measure properties samples (6% bentonite) as well bentonite-PEO mixtures at different concentrations PEO (0.18%, 0.25%, 0.5% 1%). polyethylene oxide adsorbs onto clay particles, which changes their basic characteristics depending amount adsorbed.