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首页> 外文期刊>Journal of Applied Polymer Science >UV aging resistance properties of PBO fiber coated with nano-ZnO hybrid sizing
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UV aging resistance properties of PBO fiber coated with nano-ZnO hybrid sizing

机译：纳米ZnO杂胶涂覆的PBO纤维的抗紫外线老化性能

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In this article, we focus on the ultraviolet (UV) shielding efficiency for poly(p-phenylene-2,6-benzobisoxazole) (PBO) fiber with zinc oxide (ZnO) nanoparticle/epoxy hybrid coating. ZnO nano particles were initially functionalized with silicon coupling agent for improving their dispersion and surface reactivity, and then they were hybridized with epoxy resin by grafting on the ZnO nano particles. The hybrid reactions have been indicated by means of Fourier transform infrared spectrometer (FT-IR). Its UV light shielding effect of the hybrid coating on PBO fiber properties has been studied using ultraviolet spectrum, tensile test, atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS). Results showed that the surface topographic, the surface polymer structure, and the tensile strength of coated PBO fiber were less declined than that of uncoated fiber by UV light. From these results, the nano-ZnO hybrid sizing had good UV-aging shielding efficiency for PBO fiber.
机译：在本文中，我们重点研究具有氧化锌（ZnO）纳米颗粒/环氧杂化涂层的聚对苯撑2,6-苯并双恶唑（PBO）纤维的紫外线（UV）屏蔽效率。首先使用硅偶联剂对ZnO纳米颗粒进行功能化，以改善其分散性和表面反应性，然后通过接枝到ZnO纳米颗粒上将其与环氧树脂杂交。通过傅立叶变换红外光谱仪（FT-IR）指示了杂化反应。使用紫外光谱，拉伸试验，原子力显微镜（AFM）和X射线光电子能谱（XPS）研究了杂化涂层对PBO纤维性能的紫外线屏蔽效果。结果表明，涂​​覆的PBO纤维的表面形貌，表面聚合物结构和拉伸强度比未涂覆的纤维在紫外光下的下降程度要小。从这些结果，纳米ZnO杂化施胶对PBO纤维具有良好的UV-老化屏蔽效率。

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