Improving oxidation resistance of Polyphenylene Sulfide fibers by adding Antioxidant loaded Halloysite Nanotubes

IF 6.3 2区化学 Q1 POLYMER SCIENCE

Polymer Degradation and Stability Pub Date : 2025-04-23 DOI:10.1016/j.polymdegradstab.2025.111396

Tian Qiu , Zexu Hu , Liping Zhu , Xu Jin , Hengxue Xiang , Zhe Zhou , Meifang Zhu

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引用次数: 0

Abstract

The polyphenylene sulfide (PPS) fiber, renowned for its exceptional heat and chemical resistance, finds extensive applications in high-temperature filtration, protective clothing, electronics, automobile and aircraft sectors. However, the oxidation susceptibility of PPS fiber at elevated temperature significantly restricts its practical applications. In this study, a PPS nanocomposite fiber with improved oxidation resistance is prepared by incorporating a low content of antioxidant TH-1790 loaded halloysite nanotubes (T-HNTs) via melt spinning. The successful loading of TH-1790 into HNTs is demonstrated through TEM, TGA and FT-IR. The PPS/T-HNTs nanocomposite fiber with 0.6 wt% of T-HNTs performs the best during the mechanical test, showing a higher breaking strength (4.63 cN/dtex) than others. In addition, an increase of 16.9 °C is found for the maximum weight loss temperature (T_max) of the 0.4 wt% T-HNTs loading sample by TGA, suggesting a better thermal stability. Most importantly, the retention rate of breaking strength is found to be 91.0 % for PPS/T-HNTs-0.6 nanocomposite fibers while that of the pure PPS is only 79.1 % after thermo-oxidative aging. This work provides an effective and accessible method for improving the thermal stability and oxidation resistance of PPS fibers, which thereby helps to extend the applications of PPS fibers in high temperature environment.

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添加负载抗氧化剂的高岭土纳米管提高聚苯硫醚纤维的抗氧化性能

聚苯硫醚（PPS）纤维以其优异的耐热性和耐化学性而闻名，广泛应用于高温过滤、防护服、电子、汽车和飞机领域。然而，PPS纤维在高温下的氧化敏感性极大地限制了其实际应用。在本研究中，通过熔融纺丝，加入低含量的抗氧化剂TH-1790负载的高岭土纳米管（T-HNTs），制备了一种抗氧化性能更好的PPS纳米复合纤维。通过TEM， TGA和FT-IR证明TH-1790成功加载到hnt中。在力学测试中，含有0.6 wt% T-HNTs的PPS/T-HNTs纳米复合纤维表现最好，其断裂强度（4.63 cN/dtex）高于其他材料。此外，通过热重分析发现，0.4 wt% T-HNTs加载样品的最大失重温度（Tmax）提高了16.9°C，表明其具有更好的热稳定性。最重要的是，经热氧化老化后，PPS/T-HNTs-0.6纳米复合纤维的断裂强度保持率为91.0%，而纯PPS的断裂强度保持率仅为79.1%。本研究为提高PPS纤维的热稳定性和抗氧化性提供了一种有效可行的方法，从而有助于扩大PPS纤维在高温环境中的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polymer Degradation and Stability 化学-高分子科学

CiteScore

10.10

自引率

10.20%

发文量

325

审稿时长

23 days

期刊介绍： Polymer Degradation and Stability deals with the degradation reactions and their control which are a major preoccupation of practitioners of the many and diverse aspects of modern polymer technology. Deteriorative reactions occur during processing, when polymers are subjected to heat, oxygen and mechanical stress, and during the useful life of the materials when oxygen and sunlight are the most important degradative agencies. In more specialised applications, degradation may be induced by high energy radiation, ozone, atmospheric pollutants, mechanical stress, biological action, hydrolysis and many other influences. The mechanisms of these reactions and stabilisation processes must be understood if the technology and application of polymers are to continue to advance. The reporting of investigations of this kind is therefore a major function of this journal. However there are also new developments in polymer technology in which degradation processes find positive applications. For example, photodegradable plastics are now available, the recycling of polymeric products will become increasingly important, degradation and combustion studies are involved in the definition of the fire hazards which are associated with polymeric materials and the microelectronics industry is vitally dependent upon polymer degradation in the manufacture of its circuitry. Polymer properties may also be improved by processes like curing and grafting, the chemistry of which can be closely related to that which causes physical deterioration in other circumstances.