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Application of Polyolefin Dispersions in Paper Coatings

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The quality of inkjet printed color is significantly influenced by the substrate coating structure, which strongly affects ink-setting performance. Small amounts of coating additives are necessary and play an essential function, which in turn affects the substrates final surface structure, optical properties and printed color. The main objective of this study was to evaluate the performance of various polyolefin dispersions in paper coatings for inkjet papers and their effects on paper properties, inkjet printability and color. The polyolefin dispersions were added to a typical silica based coating formulation, and then compared to a control coating without a polyolefin additive. The coatings were applied to base sheets by a cylindrical laboratory coater. Coated papers were then calendered. To ascertain the mechanism underlying the effects of tested additives coating rheology, surface properties, optical properties, and print quality were measured. Based on the results, these additives provide increased paper brightness due to enhanced OBA efficiency, better lightfastness, and the potential for improved coating application.
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Document Type: Research Article

Publication date: 2009-01-01

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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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