控制碱的含量为1%,在-30℃,反应24h条件下,使用分光光度仪器探究不同冻融次数对制备壳聚糖纤维的影响。
The effect of different freezing and thawing times on the preparation of chitosan fiber was investigated by spectrophotometric instrument under the condition of -30℃ and 24h reaction with 1% alkali content.