Journal of Electronic Materials

, Volume 48, Issue 10, pp 6771–6776 | Cite as

Preparation and Microwave Dielectric Properties of Polyethylene/TiO2 Composites

  • Huixia Lin
  • Zhangzhao WengEmail author
  • Zhaoxian Xiong


Rutile-phased TiO2-filled polyethylene (PE/TiO2) composites with dielectric constant (εr) ranging from 3.2 to 10.45 have been prepared by melt-mixing method and hot-molding techniques. The dielectric constant and dielectric loss (tanδ) of PE/TiO2 composites show an increasing trend, whereas the relative density, coefficient of thermal expansion and tensile strength showed a monotonically descending trend with increasing the rutile-phased TiO2 contents. A comparison of experimental and theoretical results shows large deviation at high filler contents. The prepared rutile-phased TiO2-filled PE composites were well suited for microwave application, especially for its ultra-low loss tangent (< 1.0 × 10−3).


Microwave properties PE/rutile-phased TiO2 composites CTE mechanical properties 


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We are grateful to Mr. Q.L. Li, Vice President, Hollyland (China) Electronic Technology Corporation Limited, for extending facilities to carry out this work.


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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  1. 1.College of Environment and Public HealthXiamen Huaxia UniversityXiamenChina
  2. 2.China Electronic Product Reliability and Environmental Testing Research InstituteGuangzhouChina
  3. 3.Municipal Key Laboratory of Electronic Ceramics and Components, College of MaterialsXiamen UniversityXiamenChina

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