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Synthesis and characterization of poly(2,6-dialkoxy-1,5-naphthylene)s with low dielectric constants

Polymer Journalvolume 50pages277280 (2018) | Download Citation

Abstract

An efficient method to decrease dielectric constant (ε) of poly(2,6-dihydroxy-1,5-naphthylene) (PDHN) by introducing bulky alkyl side chains was reported. Poly(2,6-dialkoxy-1,5-naphthylene)s (PDANs) were prepared by the O-alkylation of PDHN with alkyl halides. The ε values of PDANs at 10 GHz decreased as the length and size of side chains increased. Especially, PDCHMN exhibited the lowest dielectric constant (ε = 2.29). The ε value results were also supported by refractive index measurement.

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Affiliations

  1. Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan

    • Li-Che Hsu
    • , Min Chi Yang
    • , Wen-Chang Chen
    •  & Mitsuru Ueda
  2. Department of Organic Materials Science, Graduate School of Organic Materials Science, Yamagata University, Yamagata, 992-8510, Japan

    • Tomoya Higashihara

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Correspondence to Mitsuru Ueda.

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DOI

https://doi.org/10.1038/s41428-017-0011-9