杜邦干法腈纶纤维聚合物中硫的研究

Research of Sulphur in Du pont Dry-spinning Acrylic Fiber Polymer

通过对聚合物反应机理的分析 ,建立了聚合物数均分子量与端基滴定度之间的关系式 ,并进一步研究了高分子链上硫的来源。根据活化剂塔 pH值的选择 ,确定了工艺控制重点。

The relational expression between the polymer numerical average molecular weight and the end group titer is set up through analysis of the polymerization mechanism . Further , the source and contribution of sulphur on the macromolecule chain is studied . The selection of activator column pH value determined the focal point of technological control.