S. V. Bucha, A. D. Vorobiev, D. V. Cherednichenko, E. V. Vorobieva, E. V. Laevskaya, N. Krutko, H. V. Bondareva
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Effect of a nonionic surfactant and anionic polyelectrolyte binary system on the stability of a calcium and magnesium carbonates dispersion
The effect of sodium polyacrylate, polyethylene glycol of various molecular weights, and their mixtures on the dispersion stability of calcium and magnesium carbonates was studied. It was shown that in the presence of a binary system, the light transmission of the dispersion decreases 1.2–1.5 times, the content of fine fraction particles increases by 1.1–1.3 times compared to the individual components. The stability of the dispersion of carbonates depends on the components ratio in the binary system and their molecular weight. The formation of adsorption solvated layers of polyacrylate and polyethylene glycol molecules at the interphase boundary contributes to an increase in the stability of the carbonate dispersion.
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