将细菌纤维素中存在的大量羟基与环氧氯丙烷结合,制备具有更高反应活性的物质--环氧基细菌纤维素醚.制备过程中采用响应面分析法优化合成条件,并用红外光谱仪对产物进行表征.结果表明,反应时间、碱化浓度和反应体系(8% NaOH)与环氧基含量存在显著相关性;最优合成条件为反应时间10.5h、碱化浓度30%和反应体系(8% NaOH)60.6mL/g(BC);实验值(1.03mmol/g(BC))与预测值(1.09mmol/g(BC))接近,环氧基含量是优化前(0.51mmol/g(BC))的2.02倍.
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