| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5203588 | Polymer Degradation and Stability | 2011 | 4 Pages |
Abstract
The results of studies of the physico-chemical changes of a polyester, poly(ethylene isophthalate), subjected to gamma irradiation up to 1Â MGy, are reported. Viscometric measurements were carried out to monitor variations of the molecular weight. Changes in the amorphous fraction of the polymer were observed by means of differential scanning calorimetry. Positron annihilation lifetime spectroscopy was used to show possible modifications of the free volume as a consequence of irradiation. The results allow us to conclude that the polymer shows a good resistance to radiation damage.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
G. Consolati, N. Lotti, M. Mariani, A. Munari, F. Quasso,