Preparation of Polyimide/BaTiO<sub>3</sub>/Ag Nanocomposite Films <italic style="font-style: italic">via</italic> in situ Technique and Study of Their Dielectric Behavior

Jia-yu Zhan; Guo-feng Tian; Zhan-peng Wu; Sheng-li Qi; De-zhen Wu

doi:10.1007/s10118-014-1413-1

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Preparation of Polyimide/BaTiO₃/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior

Updated：2021-06-21

- Preparation of Polyimide/BaTiO₃/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior
- Chinese Journal of Polymer Science Vol. 32, Issue 4, Pages: 424-431(2014)
- Affiliations：
  
  a.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
  b.Beijing Building Materials Academy of Science Research/State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing 100041, China
- Author bio：
  
  **De-zhen Wu (武德珍), E-mail: wdz@mail.buct.edu.cn
- Funds：
- DOI：10.1007/s10118-014-1413-1
  CLC：
- Received：26 June 2013，
  
  Revised：2013-08-01，
  
  Accepted：07 August 2013，
  
  Published：2014-04
- Accepted：
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Jia-yu Zhan, Guo-feng Tian, Zhan-peng Wu, et al. Preparation of Polyimide/BaTiO₃/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior[J]. Chinese Journal of Polymer Science, 2014, 32(4): 424-431. DOI: 10.1007/s10118-014-1413-1.
DOI：

Jia-yu Zhan, Guo-feng Tian, Zhan-peng Wu, et al. Preparation of Polyimide/BaTiO₃/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior[J]. Chinese Journal of Polymer Science, 2014, 32(4): 424-431. DOI: 10.1007/s10118-014-1413-1. DOI：

摘要

Abstract

Triphase polyimide nanocomposite films were fabricated using barium titanate (BaTiO

) with high dielectric constant and silver (Ag) with high conductivity as fillers.

In situ

method was utilized to obtain the homogeneous dispersion of nanoparticles. The

in situ

polymerization of polyimide precursor-poly(amic acid) was performed in the presence of BaTiO

particles. Silver compound 1

1-trifluoro-2

4-pentadionato silver(I) was added into the BaTiO

containing poly(amic acid) solution to achieve silver nanoparticles

via in situ

self metallization technique. The thermally induced reduction converted silver (I) to metallic silver with concomitant imidization of poly(amic acid) to polyimide. Both BaTiO

and silver nanoparticles were uniformly dispersed in the polyimide substrate. The dependence of dielectric behavior on the BaTiO

and Ag contents was studied. The incorporation of small amount of silver nanoparticles greatly increased dielectric constant of composite films.

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Preparation of Polyimide/BaTiO3/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior

DOI：10.1007/s10118-014-1413-1

摘要

Abstract

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Keywords

references

Preparation of Polyimide/BaTiO₃/Ag Nanocomposite Films via in situ Technique and Study of Their Dielectric Behavior