Large capacity domestic polyester direct spinning line is introduced. Moreover, The polyester POY producted by the process and the main factors that affect the quality of POY products are discussed.

• 摘要简要介绍了大容量聚酯熔体直接纺长丝生产装置，并讨论了在熔体直接纺生产过程中，影响POY品质的主要因素。