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Deinking of HP Digital Commercial Prints: Effect of Chemicals and Their Loadings on Deinkability

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Here we show that the effect of chemicals and their specific loadings play a dominant role on the outcome of a deinking process. More specifically, we demonstrate that good deinkability of HP digital commercial prints (i.e. liquid-electrophotographic (LEP), dry-EP and inkjet (IJ) prints) can be achieved with our highly efficient neutral deinking chemistry (coded HPE6S4), which is based on readily available non-proprietary chemicals. We found a direct correlation of the chemical effects to the ink-particle speck contamination and its particle-size distribution. Our excellent results compared favorably to that obtained with the traditional deinking chemistry. Our approach can be readily scalable for adaption in the paper recycling mills.

Document Type: Research Article

Publication date: 2009-01-01

More about this publication?
  • 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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