Abstract
Dilatometric studies have been performed on the pure poly(ethylene glycol) of average molecular mass 400 g.mol−1(PEG-400). From these studies, molar volumes and volume expansion coefficients (α) of this sample have been estimated at different temperatures. Using the data, a number of thermodynamic, thermo-acoustic and anharmonic parameters of the sample have been evaluated. All these parameters have been discussed to throw light on the internal structure, molecular order, anharmonicity and intermolecular interactions.
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The financial assistance provided by the University Grants Commission, New Delhi and the principals of the respective colleges is thankfully acknowledged by the authors. The authors also wish to thank the reviewers for their comments, because of which the quality of the paper could be in the present form.
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Sannaningannavar, F.M., Patil, S.N., Navati, B.S. et al. Studies on thermodynamic properties of pure poly(ethylene glycol)-400 in the temperature range 299–363 K using volume expansivities. Polym. Bull. 70, 3171–3183 (2013). https://doi.org/10.1007/s00289-013-1015-z
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DOI: https://doi.org/10.1007/s00289-013-1015-z