A mathematical model of rheological behavior of silica suspension in hydroxypropyl methyl cellulose solution was investigated. The model takes into account the friction between particle aggregates, particle aggregates and macromolecules in solution and between macromolecules in solution as well as the formation of well ordered layers contained solid particles, adsorbed macromolecules and macromolecules in the holes between particles in aggregates at the large shear rates. Suggested model allows to describe the rheological behavior of silica suspensions in water solution of hydroxypropyl methyl cellulose.
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