TPA cross-linking increased 17 times the liquid water resistance duration of gelatin films, and delayed the entry of vapor water in the polymer matrix for 7 days, indicating that TPA increased the hydrophobic character of the gelatin matrix
TPA cross-linkingincreased 17 times the liquid water resistance duration of gelatin films, and delayed the entry of vaporwater in the polymer matrix for 7 days, indicating that TPA increased the hydrophobic character of thegelatin matrix