METHODS By the means of viscometry, the effects of reaction time, chitosan and acetic acid concentration on the hydrolytic velocity of chitosan by ultrasonic wave were investigated.

• 方法在稀醋酸溶液中,超声波的辐射作用下使壳聚糖发生降解。采用粘度测定法,探讨了超声波辐射时间与壳聚糖粘度的关系以及壳聚糖的浓度、醋酸的浓度对降解速度的影响。