Roles of enthalpy, entropy, and hydrogen bonding in the lower critical solution temperature behavior of poly(ethylene oxide)/water solutions

Journal of Physical Chemistry B

Volumn 107, Issue 14, 2003, Pages 3095-3097

  Smith, Grant D ^a   Bedrov, Dmitry ^a  

^a UNIVERSITY OF UTAH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

LOWER CRITICAL SOLUTION TEMPERATURE (LCST);

COMPOSITION; ENTHALPY; ENTROPY; ETHERS; HYDROGEN BONDS; OLIGOMERS; WATER;

POLYETHYLENE OXIDES;

EID: 0037431281     PISSN: 10895647     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp0270046     Document Type: Review

References (14)

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3. Aqueous Biphasic Separations; Rogers, R. D., Eitman, M. A., Eds.; Plenum Press: New York, 1995.
4. Hydrogels and Biodegradable Polymers for Bioapplications; Ottenbrite, R. M., Huang, S. J. Park, K., Eds.; American Chemical Society: Washington, DC, 1996.
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7. Dormidontova, E. E. Macromolecules 2002, 35, 987.
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12. Smith, G. D.; Bedrov, D.; Borodin, O. Phys. Rev. Lett. 2000, 85, 5583.
13. Bedrov, D.; Smith, G. D.; Borodin, O. J. Phys. Chem. B 1998, 102, 5683.
14. Quantitatively, the models of Karlström and Dormidontova severely underestimate the excess thermodynamic properties for dilute PEO oligomer/water solutions. For the latter model, this discrepancy may reflect failure to include water structuring effects associated with hydration of PEO.