Preparation and Electrical Properties of Metallized Polyvinyl Acetate-Silver Nitrate/Polyethylene Terephthalate Films

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概要

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• An electrically conductive metal chelate polymer (MCP) was prepared by adding silver nitrate (AgNO3) metal salt to polyvinyl acetate (PVAc) polymer, and subsequently coated onto polyethylene terephthalate (PET) substrates. The MCP films were then treated with a sodium borohydride (NaBH4) aqueous solution to form reduced metal chelate polymer (RMCP) films. Characterization of the films was carried out by UV/VIS spectrometry, scanning electron microscopy (SEM) and X-ray diffraction (XRD). Both SEM and XRD results show the presence of crystalline Ag particles in the MCP and RMCP films. The electric conductivity of the PVAc polymer was improved significantly by the addition of AgNO3 metal salt to form the PVAc–AgNO3 chelate polymer. It was found that the sheet resistance ($R_{\text{s}}$) of both MCP and RMCP films decreased with increasing AgNO3 content. For the same AgNO3 concentration, the electric conductivity of the RMCP films is at least 4 orders of magnitude higher than that of the MCP films. Because of this high electric conductivity, the electromagnetic interference shielding effectiveness (EMI/SE) of the RMCP films is also evaluated.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2003-08-15

著者

• Shieu Fuh-sheng

  Department Of Materials Engineering National Chung Hsing University

• Shieu Fuh-Sheng

  Department of Materials Engineering, National Chung Hsing University, Taichung 402, Taiwan

• Huang Chueh-Jung

  Department of Chemical Engineering and Biotechnology, Hsiuping Institute of Technology, Taichung 412, Taiwan

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