摘要
以脱乙酰化度为 77 5 %的壳聚糖为原料 ,采用高温浓碱处理的方法得到脱乙酰化度为 98 2 %的壳聚糖 ,分别用这两种壳聚糖制膜 ,用于乙醇 /水混合物的分离结果表明 ,在同样条件下 ,脱乙酰化度高的壳聚糖膜的分离性能优于脱乙酰化度低的壳聚糖膜。
Using chitosan with a deacetylation degree of 77.5% as the original material, high temperature and concentrated alkali treatment was applied to obtain chitosan with a deacetylation degree of 98.2%. Membranes were prepared separately by both kinds of chitosan, and used to separate ethanol/water mixture. The results show that under the same conditions, the separation properties of the highly deacetylated chitosan membrane is better than that of the low deacetylated chitosan membrane.
基金
吉林省教委科学基金资助项目! (吉教合字第 96 0 0 2号 )
