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Polyester Chemical Toner with Low Fusing Temperature

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Polyester-based chemical toner with a low fusing temperature is demonstrated. The toner composition is based on spherical toner particles produced using the proprietary Chemical Milling process of DPI Solutions with a diameter centered about 6 μm. It exhibits the fusing latitude in the range of 100-150 °C, of which the low fusing temperature is significantly lower than commercial ‘low temperature’ toner used in a printer with a ribbon fuser architecture. The low fusing temperature with excellent blocking resistance is achieved through a new amorphous resin with a linear polyester chemical architecture in which the alkyl group length of alkylene diol monomers was optimized for the glass transition temperature about 60°C. We present the molecular design principle and the thermo-physical performance of the resin as well as toner processing characteristics of the resin in this paper.

Document Type: Research Article

Publication date: 2009-01-01

More about this publication?
  • 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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