Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2. Effects of treatment conditions on morphological and structural properties of plastic films: glass transition and melting temperature, density
and crystallinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1. Change in crystallinity degree promoted by high pressure treatments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2. Effect of pressure and of low molecular weight compounds sorption on Tg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.3. Effect of pressure and of penetrant sorption on melting temperature of polymers . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.4. Effect of pressure on density of glassy amorphous domains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3. Effects of treatment on functional properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4. Effects of treatments on mechanical properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5. Effects of treatment on scalping and migration . .