Abstract
The flow birefringence method, diffusometry, and viscosimetry were used to study optical and rheological properties of dibutyl phthalate-decalin liquid mixtures of various compositions. The molecular refraction was demonstrated to obey the additivity rule, while the Maxwell constant was observed to deviate slightly from this rule. The nonmonotonic dependence of the molecular mobility of the medium on its composition was revealed and examined. The effects observed were interpreted. According to the diffusiometry and viscosimetry data obtained, the mean size of the mobile units in the system attains its maximum value at a dibutyl phthalate mole fraction of 0.2.
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Original Russian Text © E.V. Belyaeva, D.M. Volokhova, P.N. Lavrenko, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 2, pp. 250–255.
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Belyaeva, E.V., Volokhova, D.M. & Lavrenko, P.N. Optical and rheological properties of the dibutyl phthalate-decalin binary liquid system. Russ. J. Phys. Chem. 80, 187–192 (2006). https://doi.org/10.1134/S0036024406020117
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DOI: https://doi.org/10.1134/S0036024406020117