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Printability of Polymer Coated Board: Licentitatuppsats
2004 (English)Report (Other academic)
Abstract [en]

Flexography is a cost- effective printing method that gives capabilities to print a wide variety of the materials. It is often the preferred graphic arts reproduction process for packaging printing. However, it can be problematic when printing is performed with water-borne inks on hydrophobic, low surface energy, substrates such as polymeric films.



The aim of this study was to explore how different kinds of surface treatment influence the printability. The surface treatments investigated were: 1) surface sizing with one oxidized (OX) and one hydrophobic modified (HM) starch performed at room temperature and at 70 °C, and 2) polyethylene (PE) extrusion coating and corona treating. As surface characterization parameters the surface roughness, the surface energy, the wetting and the spreading were used. Printability was assessed with respect to print density, white areas, dot gain, mottling, and rub-resistance of the ink. Some part of the PE-coated sheets used for investigation of corona decrease with time and its influence on printability, were protected from light, air, moisture and dust exposing in sealed PE-bags, while the other sheets were stored unprotected in laboratory atmosphere.

Place, publisher, year, edition, pages
Karlstad: Karlstad University Studies , 2004.
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-22571ISBN: 91-85019-82-8 (print)OAI: oai:DiVA.org:kau-22571DiVA, id: diva2:596323
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2013-01-22

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CiteExportLink to record
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  • apa
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  • ieee
  • modern-language-association-8th-edition
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