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Crystal structure of a charge-control agent of the quaternary ammonium salt and its electrical properties

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The title compound (P-51) is a well-known charge-control agent (CCA) used widely in electrophotography. Structure analysis as well as electrical measurements has been carried out in the present study in order to support our charge-control mechanism that assumes an appreciable temperature increase at the “toner/carrier” interface. P-51 is found to crystallize in space group of P21/n. There are chains of OH…O intermolecular hydrogen bonds between the OH group of one anion and the O atom of the other, leading to a polymer-like stabilization of the anion. The electrical conductivity increases exponentially with temperature by two-three orders of magnitude in the temperature range between room temperature and 100 °C. The present temperature dependence is closely correlated with the molecular arrangement as well as charging characteristics of the toner which includes P-51.

Document Type: Research Article

Publication date: January 1, 2007

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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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