Chemical Research in Chinese Universities

, Volume 34, Issue 5, pp 862–866 | Cite as

Hollow-glass-microsphere-based Biphenyl Epoxy Resin Composite with Low Dielectric Contant

  • Weiwei Xu
  • Hui Na
  • Chengji ZhaoEmail author


In this study, rigid 4,4′-diglycidyl(3,3′,5,5′-tetramethylbiphenyl) epoxy(TMBP)-based composites were developed by the incorporation of varying percentages of commercial hollow glass microspheres(HGMs, QH-450) into the TMBP resin used for electronic packaging. The thermal and mechanical properties as well as the morphology of all the composites were characterized, and dielectric properties were characterized by advanced analytical techniques. The results reveal that a series of TMBP/QH-450 composites exhibits higher initial degradation tempera-tures(Td,5%>300 °C), and the residual char and glass transition temperature were clearly improved with QH-450 loading. In addition, all epoxy composites exhibited a lower dielectric constant ranging from 3.74 to 3.06 at 1.2 MHz because the lower dielectric properties of the inert gas used as the core of the QH-450 decreased molecule polarity. Hence, this developed TMBP/QH450 system demonstrates potential applications in electronic packaging.


Biphenyl Thermal property Polymer composite Dielectric constant 


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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Center of MetrologyDatang Northeast Electric Power Test & Research Institute Co., Ltd.ChangchunP. R. China
  2. 2.College of ChemistryJilin UniversityChangchunP. R. China

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