The ball milled bamboo was firstly pretreated by dioxane, and then dissolved in 1-butyl-3-methylimidazolium chloride. The obtained solution was also blended with chitosan, TiO2, and ZnO, respectively. At last, the blend films were prepared by regenerated with distilled water. To investigate the structures and properties of the blended films were characterized by XRD, FT-IR, TGA, mechanical strength, and antibacterial ability. The results of FT-IR and XRD indicated that the mainly structure of blend films were unchanged comparing to lignocellulose film .The results of DTG presented that the residual mass of bamboo/chitosan, banboo/TiO2, bamboo/ZnO films were 23.43%, 19.27%, 27.68% at 700 oC, respectively. The mechanical properties of the blend films were reduced comparing to lignocellulose film during the dissolution and the regeneration processes .The blend films exhibited remarkable bacteriostatic ability against S. aureus and E. coli. The potential antimicrobial applications in the orthopedic field and perspectives regarding future studies in this field are also considered.

Preparation and characterization of antibacterial films by pretreatment of dioxane from Phyllostachys pubescens

253rd National Meeting (2017)

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