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Liquid–liquid equilibria of polymer solutions: Flory-huggins with specific interaction

✍ Scribed by Jae Gyeong Jung; Young Chan Bae

Book ID
105339291
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
170 KB
Volume
48
Category
Article
ISSN
0887-6266

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✦ Synopsis

Abstract

We have developed a new Flory‐Huggins model by adding a specific interaction parameter derived from a modified double‐lattice model for the Helmholtz energy of mixing for binary liquid mixtures. This model is very simple and could be easily integrated into engineering applications. Using this revised model, we can successfully describe the phase behavior of polymer solutions with an upper critical solution temperature (UCST), a lower critical solution temperature (LCST), both UCST and LCST, and a closed miscibility loop. © 2009 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 162–167, 2010

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✍ L. A. Errede 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 819 KB

It is shown that the Flory-Huggins interaction parameters ( X ) , for polystyrene-liquid systems, reported by others, vary linearly with the readily and precisely determinable relative swelling power ( C) of the selfsame liquid, determined in this laboratory using poly (styreneco-divinylbenzene ) as