The structure and properties of flat section and circular polyester filament were studied through measuring birefringence, sonic modulus and work coefficient ect.
对扁平形聚酯纤维和圆形聚酯纤维的结构和性能进行了研究。
2
In this article, the design of "-"spinneret of Polyester FDY was introduced. The effect of spinning temperature , spinning speed and quench process to the flat target of the filament were discussed.