Preparation of Chemically Prepared Toners (CPT) by Polymerisation for Ceramic Decoration
Abstract:In ceramics decoration by xerography, once the toner particles have been deposited, the substrates need to be subjected to thermal treatment at temperatures above 400 °C to eliminate the organic constituents in the toner and enable the inorganic constituents to be integrated into the ceramic surface. The inorganic component includes an active inorganic fraction in decoration that is able to modify the aesthetic appearance of the surface to be coated, and an inorganic fraction that facilitates fusibility and integration into the substrate.
At present, this type of toner is made by the pulverisation method, with the presence of irregularly-shaped particles and inorganic particles that are only partly coated by the plastic organic matrix, which can lead to problems of particle flowability and electrical conductivity.
This paper describes a new method of ceramic toner preparation by suspension polymerisation that avoids the above problems. The method allows a high inorganic component content in the toner composition to be reached, assuring good colour saturation in decoration.
Document Type: Research Article
Publication date: 2011-01-01
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.
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