TCS one|step process was employed to produce 57 dtex/36f super bright triangle PET FDY. The effects of drying step, spinning temperature and velocity, quenching conditions, and thermal channel temperature on fiber quality were discussed.

• 用热管纺丝拉伸一步法 ( TCS)生产 5 7dtex/36f涤纶超有光三角形 F DY ,探讨切片干燥、纺丝温度、速度、冷却条件、热管温度等对产品质量的影响。