Thickness dependence of free-standing th
✍
Gérald Guérin; Robert E. Prud'homme
📂
Article
📅
2006
🏛
John Wiley and Sons
🌐
English
⚖ 226 KB
## Abstract Below a critical thickness, of about 60 nm, the glass transition temperature of polystyrene (PS) films decreases with film thickness, as demonstrated using free‐standing films. A geometrical model is developed here describing this phenomenon in the case of ideal (Gaussian) chains. This