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Thermodynamic parameters of dilute solutions of a polymer in benzene at varying temperatures and concentrations |
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| Authors: | F. M. Sannaningannavar Shivaram N. Patil B. S. Navati R. M. Melavanki N. H. Ayachit |
| Affiliation: | 1. Department of Physics, Karnatak Science College, Dharwad, Karnataka, India 2. Indian Academy, PU College, Bangalore, Karnataka, India 3. Department of Physics, MS Ramaiah Institute of Technology, Bangalore, Karnataka, India 4. Post Graduate Department of Physics, Rani Channamma University, Belagavi, Karnataka, India |
| Abstract: | Dilatometric studies of solutions of four different mole fractions of poly(ethylene glycol) of average molecular mass 400 g mol?1 dissolved in benzene have been performed to estimate molar volumes (V) and volume expansion coefficients (α) at different temperatures. From these, thermodynamic parameters appropriate to these solutions have been evaluated at different temperatures ranging from 299 to 328 K. These parameters have been employed to collect and discuss the information on molecular structure, molecular order, molecular packing, polymer segment extension, and molecular interactions. |
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