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Volume: 27 | Article ID: art00095_1
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A Model Analysis of the Triboelectric Charging of Fumed Silicas
  DOI :  10.2352/ISSN.2169-4451.2011.27.1.art00095_1  Published OnlineJanuary 2011
Abstract

Nano-sized (e.g., 7nm primary particle size) fumed silica particles typically exhibit an ultra-high negative triboelectric charge-to-mass ratio (q/m) when agitated with micron-sized (e.g., 50 to 100μ diameter) carrier beads. Micron-sized toner particles (e.g. 5 to 9μ diameter) also exhibit an increasingly negative charge when fumed silica particles are applied as external additives to their surface.In this present report, a quantitative analysis of triboelectric charging data from mixtures of fumed silica particles and carrier beads is presented, based on a mechanistic model for triboelectric charge generation. The model is also used to illustrate the connection between the triboelectric charging properties of fumed nano-sized silica particles and the charge level of external additive micron-sized toners

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Robert J. Nash, "A Model Analysis of the Triboelectric Charging of Fumed Silicasin Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP27),  2011,  pp 369 - 373,  https://doi.org/10.2352/ISSN.2169-4451.2011.27.1.art00095_1

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