The production technology of cationic-dyeable modified PET FDY by one-step process is discussed.
本文对一步法生产阳离子染料可染聚酯（C DP）全拉伸丝（FDY）的主要工艺技术进行了分折探讨。
The experimental results showed that Med-high boiling rate PET FDY can be obtained by partial innovation of the machine and process adjustment.
实践表明：通过对设备的局部改造和适当的工艺调整，可生产中高沸水收缩率涤纶FDY。
The factors affecting full-package rate of direct-spun PET FDY were analyzed and discussed from the aspects of melt transfer and process conditions.
从熔体输送和纺丝工艺条件分析、探讨影响PET直纺FDY满卷率的因素。
PET-FDY was prepared by using combination equipment. The effect of chips drying condition, spinning temperature, melt pressure and cooling condition on the quality of FDY was discussed.
用嫁接设备纺制涤纶FDY，讨论了切片干燥条件，纺丝温度，熔体压力，冷却成形条件等对FDY质量的影响。
It is discussed that the extensive use of special polyether and its influence on the spin finish of PET-POY, PET-FDY, PAN and PP, the development of the special polyether is described also.
叙述了功能性聚醚时涤纶、腈纶、丙纶等油剂的影响以及功能性聚醚的开发。
It is discussed that the extensive use of special polyether and its influence on the spin finish of PET-POY, PET-FDY, PAN and PP, the development of the special polyether is described also.
叙述了功能性聚醚时涤纶、腈纶、丙纶等油剂的影响以及功能性聚醚的开发。
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