Chitosan based antibacterial composite materials for leather industry: a review

Abstract Chitosan is an amorphous translucent substance with a structural unit similar to the polysaccharide structure of extracellular matrix, It has good antibacterial, biocompatible, and degradable properties. important application value in leather, water treatment, medicine, food other fields, so chitosan its modified products have received widespread attention. This article reviewed preparation methods chitosan-based antibacterial composites recent years, including chitosan/collagen, chitosan/graphene, chitosan/tannic acid, chitosan/polyethylene glycol composite materials, elaborates their modification mechanism were detail, applications leather industry as auxiliaries treatment adsorption materials discussed. Finally, future development challenges forecasted. Graphical abstract