Study on preparation and dielectric properties of Nano-Ag/Epoxy Resin composite

Author

Man, Xu ; Junqiang, Feng ; Xiaolong, Cao

Author_Institution

The Power Equip. & Electr. Insulation Nat. Key Lab., Xi´´an Jiaotong Univ.

fYear

2006

fDate

38869

Firstpage

852

Lastpage

856

Abstract

Nano-Ag can be prepared through ultraviolet radiation reduction reaction and then the influence on nano-Ag particles by protecting agent, intensity of radiation and mixture ration is studied. The TEM result shows that Ag particles are dispersed evenly and the particle size is about 20 nm. Nano-dielectric with nano-Ag in epoxy resin is prepared successfully. The dielectric property of the composite is discussed. The result is that resistivity (rho_v) and breakdown electric-field intensity (E_b) in room temperature of the composite are improved; the dielectric loss (tandelta) is reduced and the permittivity (epsiv_r) changes little. It can be seen that the dielectric property of base polymer material is improved by adding nano-Ag particles. This phenomenon is explained by Coulomb block effect

Keywords

Coulomb blockade; dielectric losses; filled polymers; nanoparticles; organic-inorganic hybrid materials; particle size; permittivity; silver; transmission electron microscopy; Coulomb block effect; TEM; breakdown electric-field intensity; dielectric loss; dielectric properties; nanosilver-epoxy resin composite preparation; particle size; permittivity; polymer material; protecting agent; resistivity; room temperature; ultraviolet radiation reduction reaction; Conductivity; Dielectric breakdown; Dielectric losses; Dielectric materials; Electric breakdown; Epoxy resins; Permittivity; Polymers; Protection; Temperature; Coulomb block effect; Nano-Ag; composite; dielectric property;

fLanguage

English

Publisher

ieee

Conference_Titel

Properties and applications of Dielectric Materials, 2006. 8th International Conference on

Conference_Location

Bali

Print_ISBN

1-4244-0189-5

Electronic_ISBN

1-4244-0190-9

Type

conf

DOI

10.1109/ICPADM.2006.284311

Filename

4062800