Enzymatic degradation studies were conducted on melt pressed films (prepared according the same protocol as for DMTA studies) using lipase produced by Pseudomonas cepacia bacteria. The enzyme was prepared in Dulbecco's PBS sterile phosphate buffer with a concentration of 25 U/ml and a pH of 7.25. To prevent the bacteria from multiplying, 0.02% sodium azide was added. Degradation was carried out at a temperature of 37°C for 35 days, and measuring points were scheduled every 7 days. The degradation medium was replaced every 48 hours to maintain enzyme activity. Each measuring point consisted of 4 samples, which were subjected to weight, microscopic, and SEC analysis. Enzymatic degradation was performed on discs of the test material, which were 6 mm in diameter and 100 µm in thickness. To ensure sterile conditions during the enzymatic degradation tests, all operations were performed under a laminar chamber. The discs of both the test material and reference material were sterilized with UVC radiation for 30 minutes on each side.