Figure 4. Color difference values of CH, CHTA, and cured films before the incubation (t = 0) and after 30 days of exposure to the degrading soil and macroscopic appearance of the buried CH based films

From

Physical and Chemical Treatments on Chitosan Matrix to Modify Film Properties and Kinetics of Biodegradation

S. Rivero, M. A. García, A. Pinotti

Journal of Materials Physics and Chemistry. 2013, 1(3), 51-57 doi:10.12691/jmpc-1-3-5