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S. Cerveny and J. Swenson
Table 1
The glass transition temperature (T
g ) for different solutions in the amorphous and semi-crystalline state
Sample
T
cryst [K]
T
cryst [h]
T
g,onset(before crystallization) [K]
T
g,onset(after crystallization) [K]
DTg [K]
3PG (c
w
= 50 wt%)
200
8
184.1
184.4
0.3
3PG (c
w
= 50 wt%)
201
4
184.3
184.9
0.6
3PG (c
w
= 50 wt%)
228
2
184.5
188.2
3.7
3PG (c
w
= 40 wt%)
203
8
186.5
186.5
0
3PG (c
w
= 40 wt%)
218
8
187.1
189.5
2.4
3PG (c
w
= 40 wt%)
223
6
186.7
189.9
3.2
PVME (c
w
= 50 wt%)
210
1
190
190.5
0.5
PVME (c
w
= 50 wt%)
210
8
190
199.5
9.5
PVP (c
w
= 55 wt%)
215
2.5
204.4
205.9
1.5
PVP (c
w
= 55 wt%)
215
8
204.4
221
16.6
T
g,onset (before crystallization) and T
g ,
onset(after crystallization) represents the T
g values in the amorphous and semi-crystalline states, respectively.
T g represents the
difference between these two values. Samples were crystallized at a temperature of T
cryst during t
cryst