Ramachandra, P. and Ramani, R. and Ramgopal, G. and Shariff, G. and Thimmegowda, M. C. and Sathyanarayana, P. M. and Ranganathaiah, C. (1999) The influence of vinylidenefluoride on the free volume of poly(chlorotrifluoroethylene). Polymer, 40 (21). pp. 5961-5965.
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Abstract
The influence of vinylidenefluoride (three different compositions, viz. 0, 0.5 and 3.0%) on the free volume of the polymer poly(chlorotrifluoroethylene) has been investigated using the Positron Annihilation Lifetime technique. The Lifetime results indicate that, with the increase in the composition of vinylidenefluoride, the average free volume size of the polymer decreases whereas their number density increases. Further, it has been observed that the glass transition temperature (T-g) of this polymer decreases with the increase in vinylidenefluoride content. The present results complement the literature report that vinylidenefluoride influences mainly the amorphous regions of poly (chlorotrifluoroethylene). (C) 1999 Elsevier Science Ltd. All rights reserved.
| Item Type: | Article |
|---|---|
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Users 23 not found. |
| Date Deposited: | 18 Jun 2021 09:09 |
| Last Modified: | 06 Dec 2022 09:53 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/16773 |
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