Fabrication of CPNBRS/epoxy composites with excellent impact strength, ideal thermal stabilities and dielectric properties

Jin Wang, Lin Tang, Junwei Gu, Xutong Yang, Yang Li, Yalan Wu

Research output: Contribution to journalArticlepeer-review

Abstract

Carboxyl powdery nitrile rubbers (CPNBRs) areblended with bisphenol A epoxy resin (E-51) to produce the corresponding CPNBRs/E-51 composites via casting method. The effects of the percentage mass of the CPNBRs on the impact strength, thermal stabilities and dielectric properties of the CPNBRs/E-51 composites are discussed and investigated. The impact strength of the resulting CPNBRs/E-51 composites is found to be optimal with 5 wt% addition of CPNBRs, enhanced from 14.2 kJ/m2to 20.8 kJ/m2, increased by 46.5%. In addition, the dielectric constant and dielectric loss values of the resulting CPNBRs/E-51 composites are increased slightly, but the thermal stabilities are decreased with the increasing addition of CPNBRs.

Original languageEnglish
Pages (from-to)574-577
Number of pages4
JournalOptoelectronics and Advanced Materials, Rapid Communications
Volume10
Issue number7-8
StatePublished - 1 Jul 2016

Keywords

  • Carboxyl powdery nitrile rubbers (CPNBRs)
  • Dielectric properties
  • Epoxy resin
  • Mechanical properties

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