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Study on the Factor for the Morphological Control of the Chemically Prepared Toner

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The morphology of the dry toner particle for laser printer plays a very important role in the electrophotography (EP) process. For example, spherical shape of the toner particle provides good development efficiency, whereas irregular shape of the toner particle gives good blade cleanability. Thus, controlling the morphology of toner particle is a key technology to satisfy both preferences. Chemically Prepared Toner (CPT) has many advantages in that way.

In this study, the factor to control the morphology of the emulsion/aggregation toner is discussed. Since emulsion/aggregation toner is prepared by thermally coalescing aggregates of toner components, the morphology of the coalesced toner particle depends on the thermal process and the thermal properties of the aggregates. Thermal property such as Tg has close relationship with the property of the toner components such as molecular weight of the binder emulsion. Thus, we demonstrate that how the control of the properties of the emulsion would impact on the morphology of the toner particle. It was found that the molecular weight of the emulsion plays a role in forming the toner shape and the surface morphology.
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Document Type: Research Article

Publication date: 2005-01-01

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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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