Table 3.

Biodegradation rate (%) of bio-based films produced by the sol-gel and sol-gel-ma methods, containing 1.56 w/w % maleic anhydride.

Days	0	3	6	9	12	15	20	25	30
Sol-gel	0	22	40	59	60	63	59	58	59
Sol-gel-ma	0	22	39	53	51	52	49	49	49