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SiO2 hollow spheres and K-SiO2 insulation paper handsheets composed of these SiO2 hollow spheres with different weight percentages were synthesized. SiO2 hollow spheres with a low content were uniformly dispersed. However, the SiO2 hollow spheres locally aggregated with increased concentration. The relative permittivities of the immersed oil K-SiO2 handsheets initially decreased and then increased...
It is the Kraft-MMT(K-MMT) which was composited with various percentage of MMT(Montmorillonite) that were prepared to be stirred in deionized water with different time to reinforce the properties of Kraft Paper. The breakdown and relative dielectric characteristics of K-MMT were investigated. According to corresponding data analysis,we concluded that the breakdown voltage of K-MMT (immerged oil) was...
Kraft‐montmorillonite composites (K‐MMT) with different weight percent of MMT and different stirring time were prepared successfully. The electrical properties and thermal stability of K‐MMT were investigated. The breakdown voltage of K‐MMT (9 wt % MMT, stirring 12 min) was increased to 60 kV/mm from 50.3 kV/mm of blank Kraft. With the increase of MMT, the relative permittivity had a corresponding...
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