储水芯用聚酯纤维的制备及性能研究

Preparation and Properties of Polyester Fiber for Water Storage Core

本文旨在研究以纤维组成和结构对记号笔纤维储水芯性能的影响规律,形成完备的纤维储水芯制备体系,本研究对提高纤维储水芯产品质量有重要意义。采用熔融纺丝法制备了不同纤度和截面的聚酯纤维,并采用卷曲收缩测试仪、DSC、FT-IR、扫描电子显微镜、接触角测量仪等测试手段对纤维结构形貌、表面成分、表面性能进行了表征。研究表明:采用相同后加工工艺制备出的纤维,圆形截面的卷曲收缩率随纤度的增加而降低,异形纤维的卷曲收缩率要略高于同纤度的圆形截面纤维,纤维的结晶度相差不大;圆形聚酯纤维,其截面会因为后加工等工艺,形成不规则的圆形,三角形和十字形纤维表面分别有明显的棱角和沟槽;纤维表面油剂能降低纤维表面与水的接触角,提高纤维表面的亲水性能。

In this paper,the effects of fiber composition and structure on the performance of marker pen water retention cores was studied and the quality of water storage cores of mark pen was improved.Polyester fibers with different deniers and cross-sections were prepared by melt-spinning.Crimp shrinkage testers,DSC,FT-IR,scanning electron microscope,the contact angle measuring instrument and other test methods were used to characterize the fiber structure,surface composition and surface properties.The results showed that the curl shrinkage of fiber with circular cross-section decreases with the increasing fineness,and the curl shrinkage of profiled fibers is slightly higher than that of circular fibers with the same denier.The cross-section profile of circular polyester fibers deform into irregular profile due to post-processing and other processes.Triangles and cross-shaped fibers have distinct edges and grooves.The contact angle between fiber surface and water reduced due to the fiber oil which improves the hydrophilic properties of the fiber surface.