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Functional Properties and Electromagnetic Shielding Behaviour of Elastic Warp-knitted Fabrics

Research and development

Authors:

  • Yu Zhi-Cai
    Liaoning Key Laboratory of Functional Textile Materials, Eastern Liaoning University, Dandong, P. R. China
  • Yu Zhi-Cai
    School of Chemical Engineering, Eastern Liaoning University, Dandong, P. R. China
  • He Hua-Ling
    Liaoning Key Laboratory of Functional Textile Materials, Eastern Liaoning University, Dandong, P. R. China
  • He Hua-Ling
    School of Chemical Engineering, Eastern Liaoning University, Dandong, P. R. China
  • Lu Yan-Hua
    Liaoning Key Laboratory of Functional Textile Materials, Eastern Liaoning University, Dandong, P. R. China
  • Lu Yan-Hua
    School of Chemical Engineering, Eastern Liaoning University, Dandong, P. R. China
  • Zhang Jian-Fei
    School of Textiles, Tianjin Polytechnic University, Tianjin, P. R. China
  • Lou Ching-Wen
    Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, Taichung, Taiwan R. O. C.
  • Chen An-Pang
    Laboratory of Fibre Application and Manufacturing, Department of Fibre and Composite Materials, Feng Chia University, Taichung, Taiwan R. O. C.
  • Lin Jia-Horng (j/w)
  • Lin Jia-Horng
    School of Chinese Medicine, China Medical University, Taichung, Taiwan R. O. C.
  • Lin Jia-Horng
    Department of Fashion Design, Asia University, Taichung, Taiwan R. O. C.

Nr DOI: 10.5604/12303666.1161761

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Abstract:

An investigation was made on the electromagnetic shielding behaviour and other functional properties for manufactured multifunctional elastic warp-knitted fabrics. Bamboo charcoal polyester/Crisscross-section polyester (BC-PET/CSP) blended yarns were used as the back of the warp-knitted fabric while conductive composite yarns were used as the front. The variation in the far infrared emissivity and anion density of elastic-warp knitted fabrics produced with different proportions of BC-PET content were studied in detail. Moreover the electromagnetic shielding effectiveness (EMSE) of the fabrics with different elongation was measured in this study. The experimental results showed that increased elongation almost did not significantly affect the EM shielding behaviour of fabric K1 in the elongation range of 0 - 40%. Finally to increase the EMSE of the fabric, the lamination method was used in this study. EMSE measurement results showed that two layer K1 warpknitted fabrics with 90° interval displayed a better shielding effect against the EM wave compared to that with a 0° interval.

Tags:

functional properties, electromagnetic shielding effectiveness, protective clothing, elastic warp-knitted fabric, electromagnetic wave.

Citation:

Yu Z-C, He H-L, Lu Y-H, Zhang J-F, Lou C-W, Chen A-P, Lin J-H. Functional Properties and Electromagnetic Shielding Behaviour of Elastic Warp-knitted Fabrics. FIBRES & TEXTILES in Eastern Europe 2015; 23, 5(113): 78-83.

Published in issue no 5 (113) / 2015, pages 78–83.

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