CO<sub>2</sub> Induced Foaming Behavior of Polystyrene near the Glass Transition

<div>Bubble radius of PS/CO<sub>2</sub> during depressurization after holding at 63 to 120 bar at 70°C for 2 hours.</div>

International Journal of Polymer Science

Figure 5: CO<sub>2</sub> Induced Foaming Behavior of Polystyrene near the Glass Transition 