The bright profiled PET can be produced by the forming technology ex truded from the spinneret slit and high-speed spinning-drawing with bright p olyester chips.

• 介绍了以超有光聚酯切片为原料,采用熔体狭缝挤出成型技术和高速纺丝牵伸一步法工艺制取异形PET纤维的生产方法。