By optimizing and controlling the technology conditions of grey yam linear density, spinning speed, stretching temperature, stretching ratio, tension-setting and shrink-setting, the polyester staple with shrinkage rate over 20% was successfully developed
By optimizing and controlling the technology conditions of grey yam linear density, spinning speed, stretching temperature, stretching ratio, tension-setting and shrink-setting, the polyester staple with shrinkage rate over 20% was successfully developed
通过对原丝线密度、纺丝速度、拉伸温度、拉伸倍率、紧张热定型及松弛热定型等工艺条件的优化和控制，采用常规聚酯切片成功开发出收缩率在20%以上的涤纶短纤维。