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  • 1.
    Christophliemk, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Andersson, Caisa
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Ullsten, Henrik
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Oxygen and water vapor transmission rates of starch-poly(vinyl alcohol) barrier coatings for flexible packaging paper2017In: Progress in organic coatings, ISSN 0300-9440, E-ISSN 1873-331X, Vol. 113, p. 218-224Article in journal (Refereed)
    Abstract [en]

    Creating efficient water-borne dispersions based mainly on renewable materials for coating of flexible packaging paper was the aim of this study. The effects of an ethylene modified poly(vinyl alcohol) grade and a standard poly(vinyl alcohol) on the oxygen and water vapor barrier performance of corn starch and potato starch coatings was studied. The results showed that a coating composition with a high fraction of a renewable polymer was effective in keeping the oxygen barrier at a technically and commercially applicable level. An ethylene modified poly(vinyl alcohol) grade was found to provide lower oxygen transmission rates at high relative humidity, as compared to a standard poly(vinyl alcohol) grade. The oxygen barrier properties of blends of starch and poly (vinyl alcohol) were similar to that of the pure modified poly(vinyl alcohol) in the range from 0% starch to 60% starch. This was observed with both hydroxypropylated and octenyl succinate modified starch grades. The drying conditions of the mixed starch:poly(vinyl alcohol) coatings were based on drying trials with pure poly (vinyl alcohol) coatings. Drying at moderate temperatures indicated the possibility to slightly decrease water vapor transmission rate by higher drying temperature. Several secondary effects of increased drying temperature such as coating hold-out and formation of defects may also be of importance.

  • 2.
    Christophliemk, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Jokela, Jukka
    Christophliemk, Mika
    Kuokkanen, Toivo
    Study of Organic Coagulants and Flocculants in the Waste Water Treatment2007Conference paper (Other academic)
  • 3.
    Christophliemk, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Koskinen, Ari M.P.
    An Improved Synthesis of the C1-C9 -fragment of Calyculin C.1997Conference paper (Other academic)
  • 4.
    Christophliemk, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Ullsten, Henrik
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Johansson, Caisa
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences, Paper Surface Centre.
    Järnström, Lars
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Exploiting the synergies between starch, nanoclay and other additives to enhance the barrier properties of paper; Starch coatings - striking balance between the benefits and the drawbacks2011Conference paper (Other academic)
  • 5.
    Christophliemk, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Ullsten, Henrik
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Johansson, Caisa
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Starch-poly(vinyl alcohol) barrier coatings for flexible packaging paper and their effects of phase interactions2017In: Progress in organic coatings, ISSN 0300-9440, E-ISSN 1873-331X, Vol. 111, p. 13-22Article in journal (Refereed)
    Abstract [en]

    Starch and poly(vinyl alcohol) based barrier coatings for flexible packaging papers were studied. Both octenyl succinate modified and hydroxypropylated corn and potato starches were blended with regular and ethylene modified poly(vinyl alcohol) to increase the water vapor barrier properties and enhance the flexibility of the starch coatings, in order to accomplish superior barrier performance. Phase separation between starch and poly (vinyl alcohol) was studied in detail, both in the solution and in dry draw-down coatings on paper. The barrier performance of the coated paper was evaluated with respect to water vapor transmission rate. Conditions for the creation of a thin surface layer consisting of only one of the pure polymers were identified and discussed in terms of phase separation in solution migration of poly(vinyl alcohol) to the uppermost surface layer. The phase separation promoted low water vapor transmission rates also with a rather high fraction of starch in the coatings

  • 6. Johansson, Kristin
    et al.
    Christophliemk, Hanna
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Jönsson, Leif
    Järnström, Lars
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Effect of Pigment Volume Concentration and Drying Aspects on the Enzyme Activity of Clay Coatings2010Conference paper (Other academic)
  • 7.
    Johansson, Kristin
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Christophliemk, Hanna
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Jönsson, Leif
    Järnström, Lars
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Paper Surface Centre.
    Effect of pigment volume concentration and drying aspects on the enzyme activity of clay coatings2010In: 11th Advanced Coating Fundamentals Symposium Proceedings, The Latest Advances in Coating Research and Development, 11.-13. October, Munich, Germany, TAPPI Press, 2010, p. 129-143Conference paper (Refereed)
  • 8. Kovaz, Janez
    et al.
    Lahti, Johanna
    Christophliemk, Hanna
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Dubreuil, Marjorie
    Vangeneugden, Dirk
    Rose, Klaus
    Bokelmann, Katrin
    Nättinen, Kalle
    Nikkola, Juha
    Ketonen, Marjo
    Characterization of air-plasma deposited sol-gel coating on the paper substrate by SIMS, XPS and AFM techniques2012In: Final program and abstracs, 2012, p. 67-Conference paper (Other academic)
  • 9. Lahti, Johanna
    et al.
    Lavonen, Juho
    Christophliemk, Hanna
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Nanoscale Surface Modification of Paperboard for Adhesion Improvement with Atmospheric Plasma Technology2012Conference paper (Other academic)
  • 10. Rautkoski, Hille
    et al.
    Hartman, Jonas
    Sirviö, Juho
    Lahti, Johanna
    Saarikoski, Eve
    Karhunen, Pirkko
    Fiskari, Juha
    Kisonen, Victor
    Laine, Christiane
    Abburi, Ramarao
    Österberg, Monika
    Rämänen, Pirita
    Asikainen, Martta
    Pitkänen, Pauliina
    Gestranie, Marie
    Tammelin, Tekla
    Christophliemk, Hanna
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Mikkonen, Kirsi
    Tenkanen, Maija
    Tanninen, Panu
    Lindell, Henry
    Maunu, Sirkka-Liisa
    Siirilä, Joonas
    Kilpeläinen, Ilkka
    Willför, Stefan
    Seppälä, Jukka
    Biobarriers from laboratory scale to pilot scale2013Conference paper (Other academic)
1 - 10 of 10
CiteExportLink to result list
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf