【摘要】 简单介绍了聚酯粗细丝的各种生产技术。粗细丝可以通过在熔纺中加入添加剂，异形喷丝权法、拉伸法、变形法或某两种方法结合起来制取。此外还简要介绍了粗细丝在后加工时应注意的一些问题。更多还原

【Abstract】 Technology for production of polyester thick and thin yarn is introduced briefly. Thickand thin yarns are normally produced either in any of the following processes or in acombination of any two: addition of chemicals, duling melt spinning, using special type ofspinneret, drawing and twisting or texturing. In addition, quality indexes and problems infinishing processes are also introduced.更多还原