In this study, cellulose/alkali earth metal fluorides (MF2, M=Ca, Mg, Sr, Ba) nanocomposites were successfully synthesised via microwave-assisted method. The different cellulose types including microcrystalline cellulose and cellulose solution pretreated with NaOH/urea and various kinds of alkali earth metal fluorides were investigated. All samples were investigated by X-ray powder diffraction (XRD), Fourier transform infrared spectrometry (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis (TG), and derivative thermogravimetric (DTG). In this research, we used sodium fluoride (NaF) as the source of fluoride ion and the alkali earth metal nitrate (Ca(NO3)2, Mg(NO3)2, Sr(NO3)2, and Ba(NO3)2) as the reaction initiator. The results demonstrated that the cellulose types played an important role in the recombination of cellulose and alkali earth metal fluorides, and the types of alkali earth metal fluorides also displayed different compound abilities. What’s more, cytotoxicity experiments revealed that the alkali earth metal fluorides on the cellulose substrate had nice biocompatibility and could be candidates for the potential applications of biomedical, drug loading and releasing fields.

Microwave-assisted synthesis of cellulose and alkali earth metal fluorides (MF2, M=Ca, Mg, Sr, Ba) nanocomposites

249th National Meeting (2015)

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