New Methods of Carbon Black Surface Modification
This paper is intended to give an overview on new modification methods which lead to a wide range of different types of carbon black. These technologies, e.g. polymer grafting, reactions with diazonium salts and radical initiators, open up the opportunity to influence the material surface, giving rise to changes from intense hydrophilic to strong hydrophobic.
An effective tool to attach modification agents on the carbon black surface is the well-known chemistry by Otto Diels and Kurt Alder. First published 75 years ago the socalled Diels-Alder reaction became a key also to new types of carbon blacks. With this reaction type it is possible to create products with variable polarities between hydrophilic and hydrophobic in order to tailor solutions for applications with special requirements. For this development the availability of new characterization methods like special DRIFTS and NMR analyses played an important role.
The main targets for the commercial use of these new products are NIP (non-impact printing) applications like ink jet and electrophotography, along with coating applications.
Document Type: Research Article
Publication date: 2003-01-01
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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