Pressure Effects on Polymer Coil−Globule Transitions near an LCST.
In: Macromolecules, Jg. 43 (2010-02-09), Heft 3, S. 1571-1574
academicJournal
Zugriff:
A model for the pressure−temperature behavior of the coil−globule transition (CGT) of a polymer in dilute solution is developed without adjustable parameters. The predicted pressure−temperature conformational behavior semiquantitatively correlates with extant experimental data. The model yields a heating induced coil-to-globule transition (HCGT) temperature that increases with pressure until it merges with a cooling induced coil-to-globule transition (CCGT). The point at which the CCGT and HCGT meet is a hypercritical point that also corresponds to a merging of lower critical solution temperature (LCST) and upper critical solution temperatures (UCST). Theoretical results are discussed in terms of a generalized polymer/solvent phase diagram that possesses two hypercritical points. [ABSTRACT FROM AUTHOR]
Titel: |
Pressure Effects on Polymer Coil−Globule Transitions near an LCST.
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Autor/in / Beteiligte Person: | Simmons, David S. ; Sanchez, Isaac C. |
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Zeitschrift: | Macromolecules, Jg. 43 (2010-02-09), Heft 3, S. 1571-1574 |
Veröffentlichung: | 2010 |
Medientyp: | academicJournal |
ISSN: | 0024-9297 (print) |
DOI: | 10.1021/ma901485y |
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