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Tribocharge Performance of Colloidal Silica Additives in a Dual Component Developer

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Cabot has recently introduced a new series of treated colloidal silica additives for toner applications. Because of their larger size, narrower size distribution, and more spherical shape these additives can provide improved anti-blocking and free flow in toner formulations. Colloidal silica based additives are available in a wide range of particle sizes and with different shape characteristics, which provide the formulator much latitude in matching the additive to the needs of the toner. These colloidal silicas are available with tribocharging characteristics from positive to highly negative.

In this paper, we present a study of the tribocharge performance of this new class of additives. We have investigated the effects of particle size, coverage, and moisture content on tribocharge performance and have investigated the rate of charge build-up and charge stability with time in a model dual component system.
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Document Type: Research Article

Publication date: 2009-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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