1.33dtex半光缝纫线涤纶短纤维生产工艺探讨

1. 33 Dtex Semifinished Sewing Thread Polyester Staple Fiber Production Process

本文介绍了天津石化10万t聚酯短丝装置利用现有设备,生产1.33dtex×38mm半光缝纫线型涤纶短纤维的纺丝和后处理工艺技术特点,着重讨论了涤纶树脂(PET)熔体粘度、纺丝温度、冷却条件、牵伸倍率以及热定型温度等工艺对原丝性能及产品质量的影响。

This paper introduces the Tianjin Petrochemical 100,000 tons of polyester staple fiber device utilizes existing equipment, production 1.33dtex x 38mm semi - gloss type of sewing thread spun polyester staple fiber characteristics and post - processing technology, focused on the melt viscosity of PET , spinning temperature, cooling conditions, draw ratio and heat setting temperature and other process performance and product on raw silk quality.