Salmerón-Sánchez, M. , Hanyková, L., Ilavský, M. and Monleón Pradas, M. (2004) Thermal transitions of poly(N-isopropylmethacrylamide) in aqueous solutions. Polymer, 45(12), pp. 4087-4094. (doi: 10.1016/j.polymer.2004.04.020)
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Abstract
Thermal transitions of poly(N-isopropylmethacrylamide) (PIPMAm) in aqueous solutions were studied in a wide temperature range from −100 to 60 °C. The solutions of different polymer weight fractions (c=0.03–1) were investigated in cooling and heating scans of differential scanning calorimetry; four qualitatively different kinds of thermograms were identified in dependence of the fraction, c. The transitions are explained in a thermodynamic framework based on the phase diagram of the system. This diagram provides a complete understanding of thermal transitions in aqueous PIPMAm solutions as a function of c, in particular the existence of non-crystallizable water and the temperature induced phase transition that is due to the hydrophobic interaction in PIPMAm solutions.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Salmeron-Sanchez, Professor Manuel |
Authors: | Salmerón-Sánchez, M., Hanyková, L., Ilavský, M., and Monleón Pradas, M. |
College/School: | College of Science and Engineering > School of Engineering > Biomedical Engineering |
Journal Name: | Polymer |
ISSN: | 0032-3861 |
ISSN (Online): | 1873-2291 |
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