Abstract
This report details the effect of addition of 0.5–3% of different ionic types of surfactants on the rheological and electrical properties of 5% carboxymethylcellulose aqueous solution. The nonionic surfactants caused significant change in neither viscosity nor zeta potential of 5% carboxymethylcellulose solution. The only exception was with Aminoxid WS 35. The amphoteric surfactant Tego-Betain L7 did not markedly affect the viscosity of 5% Blanose solution, but an unexpected increase in its viscosity was observed in the case of 2% concentration of Abil B 9950. Tego-Betain L7 and Abil 9950 increased the electronegativity of Blanose particles. The most significant change in zeta potential was observed with the Blanose sample in the presence of sodium lauryl sulphate.
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