导电液晶聚芳酯纤维制备及性能
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作者单位:

1.惠州学院,服装学院,惠州 516007;2.惠州学院,广东省电子功能材料与器件重点实验室,惠州 516007

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V45

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广东省重点研发计划项目(2024B1111060002);广东省普通高校重点领域专项(2021ZDZX1044);广东省基础与应用基础基金研究项目(2022A1515140036)


Preparation and Properties of Conductive Liquid Crystalline Polyarylester Fiber
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1.College of Fashion,Huizhou University,Huizhou 516007;2.Guangdong Key Laboratory of Electronic Functional Materials and Devices,Huizhou University,Huizhou 516007

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    摘要:

    表面金属化液晶聚芳酯导电纤维能满足航空线束线缆减重、耐辐射、耐化学腐蚀等特性要求,但其表面化学惰性阻碍了金属化制备的前处理粗化。本文采用扫描电镜SEM、傅里叶红外FTIR着重研究了氢氧化钠、“氢氧化钠-氨醇类衍生物”两种粗化刻蚀液对聚芳酯纤维的粗化效果,初步获得适宜的粗化工艺参数。在此基础上进行化学镀镍,利用SEM、电子能谱EDS和X射线衍射XRD表征镀层的表面形貌、成分和结晶情况。结果表明:温度为50 ℃时,聚芳酯纤维在40%NaOH与20%氨醇类衍生物混合液处理10 min后具有较好的粗化刻蚀效果,其镀镍纤维表层结构致密平整,整根纤维被均匀包裹,没有裂开剥离现象,纤维的平均单位长度电阻值为10.8 Ω/cm。

    Abstract:

    The surface metallized liquid crystalline polyarylate conductive fiber can meet the requirements of aviation harness cables for weight reduction,radiation resistance,chemical corrosion resistance and other characteristics.However,its surface chemical inertia hinder the pretreatment coarsening of metallized preparation.The coarsening effect of sodium hydroxide and "Sodium hydroxide-ammonia alcohol derivative" on polyarylate fiber was studied by SEM and FTIR,and then the appropriate coarsening process parameters were obtained.On this basis,nickel electroless plating was carried out and the surface morphology,composition and crystallization of the coating were characterized by SEM,EDS and XRD.The results show that when the temperature is 50 ℃,the polyarylate fiber has a good coarsening and etching effect after being treated with 40% NaOH and 20% ethanolamine derivative for 10 min.The surface structure of the nickel plated fiber is compact and flat,the whole fiber is evenly wrapped without cracking and peeling,and average unit length resistance of the fiber is 10.8 Ω/cm.

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朱方龙,冯倩倩.导电液晶聚芳酯纤维制备及性能[J].宇航材料工艺,2025,55(3):48-54.

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  • 收稿日期:2022-10-08
  • 最后修改日期:2023-02-24
  • 录用日期:2023-02-27
  • 在线发布日期: 2025-06-27
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