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
1^st segment (air atmosphere)		(i) Heating: 25°C - with rate 10 K/min; (ii) Cooling: to
2^nd 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