This study investigated the surface modification of thermotropic liquid crystal polyarylate (TLCP) fibers by 2-phenoxyethanol pre-treatment, specifically, whether it enhanced their interfacial adhesive properties. The surface chemical compositions and microstructures of both control and 2-phenoxyethanol pre-treated TLCP fibers were characterized by X-ray photoelectron spectroscopy, scanning electron microscopy, and atomic force microscopy. Furthermore, thermal, dyeing, and adhesion properties of both control and 2-phenoxyethanol pre-treated fibers were compared by thermogravimetric analysis, colorimetry, and universal material testing system, respectively. The results indicated that 2-phenoxyethanol pre-treatment increased the surface-anchored oxygen atom amount: the oxygen to carbon atomic ratio at the surface of the TLCP fibers increased from 0.17 to 0.22. However, 2-phenoxyethanol pre-treatment showed almost no effect on the thermal stability and mechanical properties of the TLCP fibers. The peeling strength of the 2-phenoxyethanol pre-treated TLCP fabric was around twice that of the control TLCP fabric.

本研究研究了2-苯氧基乙醇预处理对热致液晶聚芳酯（TLCP）纤维的表面改性，特别是它是否增强了它们的界面粘合性能。对照和2-苯氧基乙醇预处理的TLCP纤维的表面化学组成和微观结构均通过X射线光电子能谱，扫描电子显微镜和原子力显微镜表征。此外，分别通过热重分析，比色法和通用材料测试系统比较了对照纤维和2-苯氧基乙醇预处理纤维的热，染色和粘合性能。结果表明，2-苯氧基乙醇预处理增加了表面锚定的氧原子量：TLCP纤维表面的氧碳原子比从0增加。17至0.22。但是，2-苯氧基乙醇预处理对TLCP纤维的热稳定性和机械性能几乎没有影响。2-苯氧基乙醇预处理的TLCP织物的剥离强度约为对照TLCP织物的剥离强度的两倍。