Effect of Keratin Waste on Poly(ε-Caprolactone) Films: Structural Characterization, Thermal Properties, and Keratinocytes Viability and Proliferation Studies
Table 1
Thermal behavior of PCL, KE, PCL/KE10, PCL/KE15, PCL/KE25, and PCL/KE30 films analyzed by TG-DSC analyses.
Sample
<200°C
200–450°C
450–600°C
TWL
RM
ΔW (%)
DTG (°C)
DSC (°C)
ΔW (%)
DTG (°C)
DSC (°C)
ΔW (%)
DTG (°C)
DSC (°C)
PCL
0.2
—
63.8a
98.4
338.3
343.4a
0.3
—
—
98.9
1.1
KE
4.2
68.5–145.5
65.3a
58.9
281.5–330.5
223.9b–339.6a
6.8
517.0
519.4a
69.9
30.1
PCL/KE10
1.1
—
59.1a
96.7
340.6–378.9
342.6a–352.1a–378.9a
1.7
—
492.1a
99.4
0.6
PCL/KE15
0.8
—
63.3a
90.1
350.3–391.8
354.7a–394.3a
1.8
—
520.2a
92.7
7.3
PCL/KE25
1.4
—
59.3a
93.7
345.5–386.2
345.0a–362.0a–387.5a
2.6
—
498.6a
97.7
2.4
PCL/KE30
1.1
—
59.1a
91.0
346.2–388.4
355.2a–391.7a
2.1
—
491.3a
94.1
5.9
ΔW = weight loss (by TG); TWL = total weight loss; RM = residual mass. aEndothermic reaction; bexothermic reaction.