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Liquid–liquid demixing from polystyrene solutions. Studies on temperature and pressure dependences using dynamic light scattering and neutron scattering
Phase diagrams in the vicinity of liquid–liquid demixing for polystyrene/solvent systems have been determined as functions of polymer molecular weight, polydispersity, pressure, temperature, solvent quality, and isotope substitution. The diagrams show upper and lower consolute branches and associate...
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Published in: | Fluid phase equilibria 1998-09, Vol.150, p.687-694 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Phase diagrams in the vicinity of liquid–liquid demixing for polystyrene/solvent systems have been determined as functions of polymer molecular weight, polydispersity, pressure, temperature, solvent quality, and isotope substitution. The diagrams show upper and lower consolute branches and associated critical and hypercritical loci. In this paper we present preliminary results from some studies of demixing along a near-critical isopleth using laser light scattering and photon correlation techniques (dynamic light scattering, DLS), and small angle neutron scattering (SANS). |
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ISSN: | 0378-3812 1879-0224 |
DOI: | 10.1016/S0378-3812(98)00348-3 |