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