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Dynamic light scattering and viscoelasticity of semidilute polystyrene/cyclohexane solutions

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Abstract

In the present work, dynamic light scattering (DLS) measurements from polystyrene in cyclohexane semidilute solutions were carried out at 60 °C with scattering angles varied from 30° to 120°. The correlation functions were analyzed with the double KWW function and the CONTIN program. The amplitude of the fast mode Af of the field correlation function g1(t) was used to calculate the longitudinal stress modulus Mo using Wang’s theory. A comparison between Mo calculated from DLS data and the shear stress modulus G obtained from mechanical measurement was made.

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Authors and Affiliations

  1. Department of Chemical Engineering, Yuan-Ze Institute of Technology, Nei-Li, Taoyuan, 32026, Taiwan, Republic of China

    Chi-Nern Lin, Yaw-Min Song & Tzyy-Lung Yu

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  1. Chi-Nern Lin
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  2. Yaw-Min Song
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  3. Tzyy-Lung Yu
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Lin, CN., Song, YM. & Yu, TL. Dynamic light scattering and viscoelasticity of semidilute polystyrene/cyclohexane solutions. J Polym Res 4, 107–117 (1997). https://doi.org/10.1007/s10965-006-0014-2

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  • DOI: https://doi.org/10.1007/s10965-006-0014-2

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