Biodegradable Films Based on Gelatin and Montmorillonite Produced by Spreading
Table 3
Glass transition temperatures, enthalpy, and fusion temperature for nanocomposites prepared with 5 g of gelatin/100 g of NFS and different MMT concentrations and stored under 58% of RH.
MMT (g of montmorillonite/100 g of gelatin)
Glass transition temperature
Enthalpy (J/g)
Fusion temperature (°C)
(°C)
(°C)
First scan
0
−74.3 ± 1.2a
43.1 ± 1.0a
20.0 ± 0.6a
66.8 ± 0.6a
5
−73.8 ± 2.2a
45.7 ± 0.5ab
20.6 ± 0.5a
69.1 ± 0.4a
10
−75.3 ± 1.1a
45.8 ± 1.3b
17.7 ± 1.3b
68.9 ± 1.0a
Second scan
0
−74.2 ± 3.8a
31.5 ± 1.5a
5
−75.7 ± 2.2a
33.6 ± 1.3a
10
−74.3 ± 4.0a
32.0 ± 2.3a
Values with different characters differ significantly in the same column ().