High dielectric multiwalled carbon nanotube-polybenzoxazine nanocomposites for printed circuit board applications

  • Mohan Selvi
  • , Muthukumaraswamy Rangaraj Vengatesan
  • , Pichaimani Prabunathan
  • , Jang Kun Song
  • , Muthukaruppan Alagar

Research output: Contribution to journalArticlepeer-review

Abstract

The present work describes the development of polybenzoxazine (PBZ) nanocomposite with high dielectric constant using varying weight percentages of (0.5, 1.0, and 1.5 wt. %) benzoxazine functionalized MWCNT (CNT-BS) and benzoxazine through thermal ring opening polymerization. The dielectric constants are increased with increasing weight percentages of incorporation of CNT-BS, whereas dielectric losses are in the reverse trend. Data from Cyclic Voltammogram and impedance studies confirm the conducting behavior of CNT-BS/PBZ nanocomposites. The increase in the weight ratio of CNT-BS enhances the values of Tg and thermal stability. The uniform distribution of functionalized CNT-BS was ascertained from transmission electron microscope.

Original languageEnglish
Article number152902
JournalApplied Physics Letters
Volume103
Issue number15
DOIs
StatePublished - 7 Oct 2013

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