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Enhanced Fluoropolymer Surface Adhesion by a Plasma Hybrid Process—Metal Plating Technology and Its Application to Millimeter-Wave Devices

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Plasma Modification of Polyolefins

Part of the book series: Engineering Materials ((ENG.MAT.))

Abstract

An improvement of the adhesiveness of PTFE/plastic using a plasma hybrid process, metal plating technology, and its application to millimeter-wave devices are described. Atmospheric-pressure plasma graft polymerization (also called “atmospheric-pressure plasma hybrid surface treatment”), which has been developed by the group of the author, is presented as an innovative surface treatment method to improve the PTFE adhesiveness and enable surface plating with minimal impact on the environment. First, the applicability of PTFE/plastics to millimeter-wave devices is briefly described, while next section presents the atmospheric-pressure plasma hybrid surface treatment that enables plating on PTFE. Next, methods to assess the effect of the surface treatment on PTFE metal plating are described. Final section describes several examples of improved strength of fiber-reinforced composite materials, which have a low dielectric constant similar to that of PTFE and can be used in radar domes. Some trial production results using this plasma hybrid surface treatment technology are also provided. Long-term durable adhesion properties of the surface are improved by this type of plasma treatments.

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Acknowledgements

The author would like to thank Dr. Mitsuru Tahara (formerly at Technology Research Institute of Osaka Prefecture), Dr. Noboru Saeki (formerly at Pearl Industry Co., Ltd.), Mr. Tatsuji Aoi (NIPPI Corporation.), Dr. Tomoyuki Kuroki (Osaka Prefecture University), Mr. Kota Hori, Mr. Keisuke Fujimoto, and Mr. Yudai Togashi (formerly Graduate Students of Osaka Prefecture University) for the experiments and analyses supporting the present work.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, 599-8531, Japan

    Masaaki Okubo

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  1. Masaaki Okubo
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Correspondence to Masaaki Okubo .

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Editors and Affiliations

  1. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kerala, Kerala, India

    N. S. Baneesh

  2. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kerala, Kerala, India

    P. S. Sari

  3. Department of Materials Engineering, Czech Technical University in Prague, Praha 2, Czech Republic

    Tatana Vackova

  4. School of Energy Materials, Mahatma Gandhi University, Kottayam, Kerala, India

    Sabu Thomas

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Okubo, M. (2022). Enhanced Fluoropolymer Surface Adhesion by a Plasma Hybrid Process—Metal Plating Technology and Its Application to Millimeter-Wave Devices. In: Baneesh, N.S., Sari, P.S., Vackova, T., Thomas, S. (eds) Plasma Modification of Polyolefins. Engineering Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-52264-3_9

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