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 ± 1.2^a	43.1 ± 1.0^a	20.0 ± 0.6^a	66.8 ± 0.6^a
5	−73.8 ± 2.2^a	45.7 ± 0.5^ab	20.6 ± 0.5^a	69.1 ± 0.4^a
10	−75.3 ± 1.1^a	45.8 ± 1.3^b	17.7 ± 1.3^b	68.9 ± 1.0^a
Second scan
0	−74.2 ± 3.8^a	31.5 ± 1.5^a
5	−75.7 ± 2.2^a	33.6 ± 1.3^a
10	−74.3 ± 4.0^a	32.0 ± 2.3^a

Values with different characters differ significantly in the same column ().