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Relationship between Tribocharge and Contact Potential Difference in Toner-Carrier Systems

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Relationship between tribocharge Q/M of an acrylic powder and contact potential difference of metal beads, with which the polymer was tribocharged, was examined. First a contact potential measuring system for powdered materials was fabricated, which was based on Kelvin method. Tribocharge of the acrylic powder was measured by blow-off method. Metals beads of gold, silver, copper, etc. were employed as the rubbing medium. It was found that the contact potential difference of metal beads was influenced by their surface oxidation. The contact potential difference of metals had a linear relationship with their work function. The Q/M of acrylic powder has a close relationship with contact potential difference of metals qualitatively, but quantitative agreement between Q/M of acrylic powder and contact potential difference was not obtained.

Document Type: Research Article

Publication date: January 1, 2001

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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