摘要
腈纶溶剂通过凝胶除杂,NaSCN回收率达到99%以上,除杂率提高到85%以上,降低腈纶溶剂的杂质含量效果显著。
The impurity of solvent for PAN fiber was removed by Gel permeation chromatography, The recovery rate of NaSCN arrived over 99%,The impurity removal rate improved over 85%,The impurity content of solvent for PAN fiber was induced dramatically.
引文