Hydrophobically modified chitosan: A bio-based material for antimicrobial active film

The objective of the present research was to improve the hydrophobicity of chitosan, while retaining its antibacterial activity, through the grafting of dodecenyl succinyl chains onto phthaloyl chitosan, mainly at the C-6 position. Dodecenyl succinylated phthaloyl chitosan (DS-g-PHCTS) was synthesized via phthaloylation-dodecenyl succinylation-hydrazinolysis. The obtained derivatives were characterized by FTIR, (1)H NMR and XRD. Hydrazinolysis...