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The interaction between water and liner and newsprint in flexographic CI-printing press
RISE, STFI-Packforsk.
RISE, STFI-Packforsk.
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2008 (English)In: Proceedings of the Technical Association of the Graphic Arts: TAGA, 2008, 267-284 p.Conference paper, Published paper (Refereed)
Abstract [en]

Printing with water-borne ink in a multicolor printing press subjects the substrate to water, because the water-borne ink contains water. The water in the ink can influence the surface properties, e.g. the roughness and compressibility, and can lead to dimensional changes. On the other hand, water derived from the ink can enhance or reduce some aspects of the final print quality depending on the properties of the substrate. In the present study, the manner in which the print quality of unsized paper substrates was influenced by pre-treatment with water and surfactant solution in flexographic printing was investigated. The experiment was designed to imitate the effects of multicolor printing using water-borne ink, since the water derived from the ink in an early printing unit influences the mechanical, dimensional and wettability properties of the paper and can thus influence the print quality in a later printing unit. This paper complements a previous paper, which showed a reduction of print mottle on a white top liner (with a low water absorptivity and wettability) when water and surfactant solution were applied just before the ink. The substrates investigated in the present paper were standard newsprint and a white top testliner, with high water absorptivity and wettability. The printing trials were performed in a central impression flexographic printing press using two of the six printing units. The first unit was used to apply water and a mixture of water and a surfactant and a second unit was used to transfer water-borne ink. The effects of water and surfactant pre-treatment were evaluated by measuring the print quality and the substrate properties. The pre-treatment by water and surfactant solution showed no effect on print mottle in the case of newsprint or testliner.

Place, publisher, year, edition, pages
2008. 267-284 p.
Keyword [en]
Flexography, Linerboard and printability, Newsprint, Wettability
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-29661Scopus ID: 2-s2.0-78649675408OAI: oai:DiVA.org:ri-29661DiVA: diva2:1105080
Conference
60th Annual Technical Conference of the Technical Association of the Graphic Arts, TAGA - Disseminating Graphic Arts Research Internationally since 1948; San Francisco, CA; United States; 16 March 2008 through 19 March 2008
Note

cited By 0

Available from: 2017-06-02 Created: 2017-06-02 Last updated: 2017-06-09Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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