Tannic acid (ppm)
Tensile Strength (MP)
Elongation at break (%)
Young’s modulus (GPa)
0
33.63 ± 0.74
d
27.1 ± 4.2
a
0.395 ± 0.042
c
250
34.96 ± 0.33
c
22.1 ± 2.5
b
0.402 ± 0.061
b
500
35.33 ± 0.43
b
18.4 ± 4.1
c
0.413 ± 0.024
b
1000
37.22 ± 0.95
a
11.3 ± 3.8
0.491 ± 0.054
a
Letters in table (a,b,c,d) presenting the tolerances of 0.05%.
Table 2:
Effect of different concentration of tannic acid of mechanical properties of film.
