1,4 butanediol 1 Article 1 Biodegradable Plastics 1 Butylene Glycols 1 Chitosan 1 Chitosan nanowhisker 1 Food Storage 1 Humans 1 Materials Testing 1 Nanocomposite 1 Nanocomposites 1 Poly(butylene succinate) 1 Polymerization 1 Polymers 1 Tensile Strength 1 aqueous solution 1 biodegradable plastic 1 bionole 1 butanediol 1 chemical stress chemical structure 1 chemistry 1 chitosan 1 chitosan nanoparticle 1 controlled study 1 dispersion 1 esterification 1 field emission scanning electron microscopy 1 food storage 1 human 1