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Silica Sol/Gel Based Nano Structured Hard Coats for Organic Photoconductors

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Objective of the present investigation was the development of a scratch resistant and anti-abrasion layer for organic photo-conductors which does not influence the electrophotographic properties like charge transporting properties and print quality A new class of hybrid polymers based on classical sol/gel materials has been developed. This two component material with covalently bonded functionalized silica nano particles in an epoxy matrix made of poly-functional epoxy components produces closed networks and exhibits excellent durability against liquid toner materials. By employing this material as a top coat on OPC drums, hardness and scratch resistance can be improved without having significant impact on printing properties such as the replication of single dots in high resolution digital printing.
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Document Type: Research Article

Publication date: 2007-01-01

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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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