Table 3.
Results from the second heating cycle of the DSC analysis (means of n = 3, ±SD).
| Plasticizer | PVA 3-82 | PVA 4-88 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tg [°C] |
ΔCp [K/Jg−1] |
Tm(1) [°C] |
ΔH(1) [Jg−1] |
Tm(2) [°C] |
ΔH(2) [Jg−1] |
Tg [°C] |
ΔCp [K/Jg−1] |
Tm(1) [°C] |
ΔH(1) [Jg−1] |
Tm(2) [°C] |
ΔH(2) [Jg−1] |
|
| PLX 188 | 66.2 (±1.5) |
0.375 (±0.024) |
54.6 (±0.0) |
12.27 (±0.215) |
158.3 (±1.0) |
4.37 (±0.424) |
68.0 (±0.0) |
0.414 (±0.014) |
55.0 (±0.1) |
13.06 (±0.953) |
177.3 (±0.0) |
8.65 (±0.236) |
| PLX 407 | 65.0 (±0.2) |
0.393 (±0.022) |
54.8 (±0.2) |
11.82 (±1.764) |
158.78 (±1.5) |
4.35 (±0.367) |
68.0 (±0.3) |
0.386 (±0.023) |
54.6 (±0.1) |
11.34 (±0.520) |
178.68 (±0.0) |
8.79 (±0.191) |
| PEG 400 | N/A | N/A | N/A | N/A | N/A | N/A | 53.9 (±0.3) |
0.617 (±0.020) |
N/A | N/A | 176.5 (±1.0) |
8.40 (±0.446) |
| PEG 600 | 51.9 (±0.6) |
0.813 (±0.069) |
N/A | N/A | 173.2 (±2.7) |
3.43 (±0.719) |
60.9 (±0.3) |
0.488 (±0.031) |
19.3 (±0.1) |
1.13 (±0.225) |
175.6 (±0.6) |
9.11 (±0.284) |
| PEG 1000 | 55.7 (±1.7) |
0.490 (±0.058) |
37.7 (±0.3) |
0.65 (±0.093) |
169.0 (±2.2) |
3.87 (±0.823) |
65.5 (±0.5) |
0.557 (±0.071) |
37.3 (±0.0) |
6.26 (±1.927) |
173.5 (±0.4) |
10.3 (±0.277) |