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Molecular theory of the viscoelāstic properties of concentrated polymer solutions

✍ Scribed by Masao Doi

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
323 KB
Volume
26
Category
Article
ISSN
0009-2614

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✦ Synopsis

The viscoelastic properties of concentrated polymer solutions are discussed on the basis of the fixed tube model proposed by de Cennes. It is shown that the steady flow viscosity is proportional to M3, where M is the molecular weight, and that the relaxation spectrum exhibits a hump in the relaxation time proportional to M3.

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✍ Takahashi, Yoshiaki; Iio, Shinji; Matsumoto, Naoki; Noda, Ichiro 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 309 KB 👁 3 views

Viscoelastic properties of non-entangled concentrated aqueous solutions of three sodium polystyrenesulfonates with low molecular weights were measured in oscillation flows. Master curves of dynamic moduli were obtained by shifting the moduli data measured at different concentrations along the freque