Influence of Carbon Dioxide on the Glass Transition of Styrenic and Vinyl Pyridine Polymers: Comparison of Calorimetric, Creep, and Rheological Experiments
Table 3
Specifications of the HP-DSC experiments.
PS
P2VP
P4VP
PαMS
(°C)
50
50
100
140
(°C)
200
170
220
240
Test pressure (bar)
10 - 30
1st segment (air atmosphere)
(i) Heating: 25°C - with rate 10 K/min (ii) Cooling: to
2nd segment (CO2 atmosphere)
(i) Purging CO2, 20 mL/min for 5 min (ii) , test pressure for 3 h (iii) to with rate 10 K/min, test pressure