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Surface Modification of Aramid Fibers via Ammonia-Plasma Treatment

机译:氨等离子体处理对芳纶纤维的表面改性

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摘要

In this article, aramid fibers III were surface modified using an ammonia-plasma treatment to improve the adhesive performance and surface wettability. The surface properties of fibers before and after plasma treatment were investigated by X-ray photoelectron spectroscopy, scanning electron microscopy, atomic force microscopy, and water contact angle measurements. The interfacial shear strength of each aramid fibers III-reinforced epoxy composites was studied by micro-debonding test. The ammonia-plasma treatment caused the significant chemical changes of aramid fibers III, introducing nitrogen-containing polar functional groups, such as -C-N- and -CONH-, and improving their surface roughness, which contributed to the improvement of adhesive performance and surface wettability.
机译:在本文中,使用氨等离子体处理对芳纶纤维III进行了表面改性,以提高粘合性能和表面润湿性。通过X射线光电子能谱,扫描电子显微镜,原子力显微镜和水接触角测量研究了等离子体处理前后纤维的表面性能。通过微脱胶试验研究了每种芳纶纤维III增强环氧复合材料的界面剪切强度。氨等离子体处理引起芳纶纤维III的重大化学变化,引入了含氮极性官能团(如-CN-和-CONH-),并改善了它们的表面粗糙度,这有助于改善粘合性能和表面润湿性。

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