【摘要】 合成了壳聚糖-g-水杨酸,用1H NMR,IR和热重分析等对结构进行了表征。接枝反应的最佳条件为:壳聚糖12.5 mmol,n(水杨酸)∶n(壳聚糖)=0.75,于55℃~65℃反应1 h,水杨酸接枝率为20%。更多还原

【Abstract】 Chitosan-g-(salicylic acid) was prepared in nonaqueous solution.The structure was characterized by ~1H NMR,IR and thermal analysis.The optimal reaction conditions were as follows: chitosan was 12.5 mmol,n(salicylic acid) ∶n(chitosan)=0.75,reaction temperature was 55 ℃～65 ℃,reaction time was 1 h.Under the optimal reaction conditions the graft ratio of salicylic acid was 20%.更多还原