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Crossover effects on the osmotic pressure and the diffusion coefficient in moderately concentrated polymer solutions

✍ Scribed by Bo Nyström; Jaan Roots

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
517 KB
Volume
33
Category
Article
ISSN
0032-3861

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📜 SIMILAR VOLUMES

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A Simple Relation for the Concentration Dependence of Osmotic Pressure and Depletion Thickness in Polymer Solutions
✍ Gerard J. Fleer; Alexander M. Skvortsov; Remco Tuinier 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 235 KB

## Abstract We propose simple expressions $\Pi /\Pi \_0 = 1 + (\varphi /\varphi \_{{\rm ex}} )^{3\alpha - 1}$ and $(\delta \_0 /\delta )^2 = 1 + (\varphi /\varphi \_{{\rm ex}} )^{2\alpha }$ for the osmotic pressure Π and the depletion thickness __δ__ as a function of the polymer concentration __φ__