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.
The feasibility and technical characteristic of modified Murata 33H draw-texturing machine in manufacturing thick and thin polyester filament were discussed.
探讨了村田33H加弹机改造后生产涤纶竹节丝的可行性和技术特点。
3
With the chip-drying process, spinning process and draw-texturing process adjusted, the flame-retardant polyester DTY is produced.