draw-texturing process flow 牵伸变形工艺流程
By improving PP melt rheological properties, adjusting draw-texturing process, controlling winding tension and oil content, the crimping property of PP - BCF yarn can be improved effectively.
通过改善聚丙烯熔体的流变性能、调整拉伸和变形工艺、控制卷绕张力和油剂加入量，可有效地提高丙纶bcf的卷曲性能。
With the chip-drying process, spinning process and draw-texturing process adjusted, the flame-retardant polyester DTY is produced.
通过对阻燃聚酯切片干燥、纺丝和拉伸变形等工艺的调整，生产了阻燃聚酯低弹丝，探讨了影响阻燃聚酯低弹丝生产的主要因素。
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