The effect of adsorbed polymers on the ESA potential of aqueous silica dispersions
โ Scribed by Herbert Maier; James A Baker; John C Berg
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 418 KB
- Volume
- 119
- Category
- Article
- ISSN
- 0021-9797
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The electroviscous effects in very dilute aqueous dispersions of amorphous silica (Ludox) were investigated at various levels of salt, pH, and volume fraction (<0.01) of solids. Viscosities were much higher than predicted from existing theories, which is ascribed to the formation of a thick, gel-lik
The viscosity behavior of aqueous suspensions of silica particles with physically adsorbed polyethylene oxide (PEO) molecules was investigated in relation to the adsorbed layer density and concentration of nonadsorbed polymer in the suspending fluid. Adsorption studies revealed the presence of two p