Flow-induced phase separation in polymer solutions

K. De Moel, E. Flikkema, I. Szleifer, G. Ten Brinke

Research output: Contribution to journalArticlepeer-review


A correct description of phase behaviour in polymer solutions requires a coupling between configurational statistics and thermodynamics. The effect of flow-induced chain deformation on the polymer-solvent interaction energy depends on the concentration and on the polymer architecture. It will be demonstrated, using thermodynamic arguments, that for linear polymers this may give rise to a large flow-induced demixing. For more complex architectures such as ring polymers and branched polymers, a maximum in the critical temperature vs. flow rate is predicted.

Original languageEnglish
Pages (from-to)407-412
Number of pages6
JournalEurophysics Letters
Issue number4
Publication statusPublished - 15 May 1998


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