Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
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Effect of Cooling Rate on Tg<br />
Heat Capacity (J/g°C)<br />
2.0<br />
1.8<br />
1.6<br />
1.4<br />
1.2<br />
1.0<br />
Heat Capacity Measured<br />
After Cooling at Quench,<br />
20, 10, 5, 2, 1 and 0.2°C/min<br />
increased amorphous<br />
fraction<br />
Quench<br />
20<br />
10<br />
20 40 60 80 100 120 140 160<br />
Temperature (°C)<br />
<strong>DSC</strong>: Effect of Aging on the Glass<br />
Transition [M. Todoki, Polymer Data Handbook]<br />
As-Spun<br />
2 days<br />
28 days<br />
196 days<br />
3 years and<br />
2 months<br />
4 years and<br />
11 months<br />
Glass Transition<br />
0 50 100 150<br />
0.2<br />
Cold Crystallization
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