Using NaSCN as solvent,acrylic fiber was produced by one-step wet spinning process.The effect of spinneret negative draw ratio on fiber formation was discussed.

• 采用硫氰酸钠为溶剂,湿纺一步法工艺生产腈纶,探讨了喷丝头负拉伸率对纤维成形的影响。