Rheological studies of moderately concentrated polystyrene solutions. I. A new method for the extrapolation of the zero-shear viscosity

6533b7d1fe1ef96bd125d531

RESEARCH PRODUCT

Rheological studies of moderately concentrated polystyrene solutions. I. A new method for the extrapolation of the zero-shear viscosity

subject

Shear rate Viscosity chemistry.chemical_compound Chromatography Rheology Chemistry Relative viscosity General Engineering Extrapolation Thermodynamics Polystyrene Reduced viscosity Toluene

description

Measurements of the viscosity coefficient η of solutions of polystyrene (Mw = 6.0 × 105 and 1.77 × 106) in trans-decalin (TD, θ solvent) and toluene (TL, good solvent) as function of shear rate (11−104 s−1), concentration (4.24−11.21 wt %), and temperature (10–50°C) are reported. As a new theoretically grounded method for the determination of the zero-shear viscosity η0 it is proposed to plot η as a function of . The intercepts of the straight lines obtained by this procedure give η0 in good agreement with directly measured values.

year	journal	country	edition	language
1983-07-01	Journal of Polymer Science: Polymer Physics Edition

https://doi.org/10.1002/pol.1983.180210719

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