Abstract
Effects of the form birefringence on flow birefringence of polymer solutions in semidilute region were studied by using polystyrenes in bromobenzene and toluene, which are matching and non-matching solvents, respectively. It was found that the contribution of the form birefringence rapidly decreases when the degree of coil-overlapping becomes higher than the crossover point from dilute to semidilute regions for thermodynamic properties.
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Takahashi, Y., Yamaguchi, M., Hori, K. et al. Effects of Form Birefringence on Flow Birefringence of Polymer Solutions in Semidilute Regions. Polym J 21, 815–820 (1989). https://doi.org/10.1295/polymj.21.815
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DOI: https://doi.org/10.1295/polymj.21.815