Enhancement of Cellulose Reactivity Using an Ionic Liquid Pretreatment Step
نویسندگان
چکیده
The pretreatment is one of the critical steps in influencing the reaction efficiency of cellulose. In this article, several pretreatment methods of microcrystalline cellulose (MCC) are presented: the ultrasonic, sodium hydroxide and 1-butyl3-methylimidazolium chloride ([C4mim]Cl) dissolution treatment, and the reactivity of cellulose to a TEMPO-NaClONaBr oxidation system is investigated. The treated cellulose is characterized by scanning electron microscopy, X-ray diffraction, and FTIR. Comparing the three pretreatment methods, the ionic liquid pretreatment does not destroy cellulose I and greatly reduces crystallinity, while enhancing the reactivity of cellulose.
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