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首页> 外文期刊>RSC Advances >Light weight and flexible poly(ether ether ketone) based composite film with excellent thermal stability and mechanical properties for wide-band electromagnetic interference shielding
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Light weight and flexible poly(ether ether ketone) based composite film with excellent thermal stability and mechanical properties for wide-band electromagnetic interference shielding

机译：基于重量和柔性聚（醚醚酮）的复合膜，具有出色的热稳定性和用于宽带电磁干扰屏蔽的机械性能

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摘要

This study proposes an efficient method for fabricating a light weight and flexible composite film with excellent thermal stability and mechanical properties for wide-band electromagnetic interference (EMI) shielding, which was prepared by melt blending and subsequent melt extrusion using poly(ether ether ketone) (PEEK) as a matrix, multi-walled carbon nanotube wrapped poly(ether sulfone) (wrapped MWCNTs) as a conductive filler, and GENIOPLAST (R) PELLET S (GPPS, high-temperature lubricant) as a processing aid. GPPS was firstly used in EMI application, to reduce the melt viscosity of PEEK as well as to improve the dispersion of wrapped MWCNTs, which enables it to fabricate a highly efficient EMI shielding (similar to 74.6 dB mm(-1)) PEEK/wrapped MWCNT/GPPS1.0 composite film with a thickness of 180 mu m. Furthermore, the Lightweight composite film exhibits high thermal stability (i.e. degradation temperature at 5% mass loss of 586 degrees C) and good mechanical properties (tensile strength of 101 MPa), being superior to other previously reported EMI shielding films. The above mentioned enhanced property demonstrated its potential application as a high performance EMI shield for certain applications such as in the aerospace, weapons, and microelectronics industries, which require materials exhibits EMI shielding as well as superior mechanical properties and thermal stability.
机译：该研究提出了一种有效的方法，用于制造具有优异的热稳定性和机械性能的轻质和柔性复合膜，用于宽带电磁干扰（EMI）屏蔽，其通过熔融共混和使用聚（醚醚酮）制备的熔融挤出制备（PEEK）作为基质，多壁碳纳米管包裹聚（醚砜）（包裹的MWCNT）作为导电性填料，和GENIOPLAST（R）PELLET S（GPPS，高温润滑剂）作为加工助剂。 GPPS在EMI申请被首先使用，以降低PEEK的熔体粘度以及改善包裹碳纳米管的分散性，这使它能够制造高效率的EMI屏蔽（类似于74.6分贝毫米（-1））PEEK /包裹MWCNT / GPPS1.0复合薄膜，厚度为180μm。此外，轻质复合膜表现出高热稳定性（即5％质量损失586℃的降解温度）和良好的机械性能（抗拉强度为101MPa），优于其他先前报告的EMI屏蔽膜。上述增强财产证明其潜在的应用作为一种高性能EMI屏蔽，以实现某些应用，例如在航空航天，武器和微电子工业中，需要材料表现出EMI屏蔽以及卓越的机械性能和热稳定性。

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  • 来源
    《RSC Advances》 |2018年第6期|共8页
  • 作者

    Na Ruiqi; Liu Jinying; Wang Guibin; Zhang Shuling;

  • 作者单位

    Jilin Univ Coll Chem Natl &

    Local Joint Engn Lab Synth Technol High Pe Changchun 130012 Jilin Peoples R China;

    Chinese Acad Sci Changchun Appl Chem Corp Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Chem Natl &

    Local Joint Engn Lab Synth Technol High Pe Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Chem Natl &

    Local Joint Engn Lab Synth Technol High Pe Changchun 130012 Jilin Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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