2.9. Moisture content (MC)
The moisture content (MC) of the film was determined by drying
in an oven at 103 ± 2 C for 24 h. Small test specimens were cut
and placed on glass Petri dishes, and their weights were recorded
before and after oven-drying. MC was calculated as the percentage
of weight loss based on the original weight, using Eq. (2), where Mi
is the weight of the Petri dish and film specimen before drying, Mp
is the weight of the Petri dish, and Md is the weight of the Petri dish
and film specimen after drying.