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Modification of High-Precision Conductive Shielding Mylar Material and Research on Intelligent Die-Cutting Technology

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  • Quanzhen Ding

    (WQKX (Wanqi Qianxiao), Beijing 100002, China)

Abstract

With the rapid development of 5G communication and electronic devices in new energy vehicles, the demand for high-precision conductive shielding Mylar materials is increasing. This study successfully developed conductive shielding Mylar materials with a shielding effectiveness of 45–50 dB by modifying PET substrates using a vacuum sputtering-electroplating composite process, which is significantly higher than that of domestic counterparts (typically below 35 dB) and comparable to high-end imported materials. The adhesion test results showed that the modified material achieved a 4B level in the cross-cut test, with no detachment after 3M tape adhesion, indicating excellent adhesion. Additionally, the modified material exhibited good weather resistance, with a color difference (ΔE) of only 1.2 after 1000 hours of UVB-313 lamp irradiation.

Suggested Citation

  • Quanzhen Ding, 2025. "Modification of High-Precision Conductive Shielding Mylar Material and Research on Intelligent Die-Cutting Technology," Journal of Progress in Engineering and Physical Science, Pioneer Academic Publishing Limited, vol. 4(5), pages 16-21, October.
    • Handle: RePEc:cvg:jpepsc:v:4:y:2025:i:5:p:16-21
    DOI: 10.56397/JPEPS.2025.10.03
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