预取向丝，POY由高速纺丝得到部分取向的卷绕丝。简称POY。
提出了一个涤纶高速预取向丝凝固过程的模型。
A model of the solidification process during the high speed PET-POY spinning is proposed.
长丝价格结合预取向丝的价格将下调。我们的印度通讯员报导，由于下游织造需求强劲，变形纱价格却有所增加。
Filament prices were mixed with POY prices being reduced while textured yarn prices were raised, thanks to stronger demand from weavers, our India Correspondent reports.
探讨了原丝预取向度、 拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
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