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Engström, Gunnar
Publications (10 of 31) Show all publications
Kjellgren, H. & Engström, G. (2008). Influence of paper structure on barrier properties of starch-coated greaseproof paper. Nordic Pulp & Paper Research Journal, 23(1), 87-90.
Open this publication in new window or tab >>Influence of paper structure on barrier properties of starch-coated greaseproof paper
2008 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, no 1, 87-90 p.Article in journal (Refereed) Published
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-1932 (URN)10.3183/NPPRJ-2008-23-01-p087-090 (DOI)
Available from: 2007-11-09 Created: 2007-11-09 Last updated: 2017-12-07Bibliographically approved
Kjellgren, H. & Engström, G. (2008). Oxygen permeability of polyethylene-extrusion-coated greaseproof paper. Nordic Pulp & Paper Research Journal, 23(3), 272-276.
Open this publication in new window or tab >>Oxygen permeability of polyethylene-extrusion-coated greaseproof paper
2008 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, no 3, 272-276 p.Article in journal (Refereed) Published
Abstract [en]

Polyethylene-extrusion-coated greaseproof paper exhibited significantly lower oxygen permeability than predicted from the oxygen permeability of polyethylene and greaseproof paper itself. Two mechanisms proposed for the superior oxygen permeability of polyethylene-extrusion-coated greaseproof paper were compared. 

National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-1933 (URN)10.3183/NPPRJ-2008-23-03-p272-276 (DOI)
Available from: 2007-11-09 Created: 2007-11-09 Last updated: 2017-12-07Bibliographically approved
Mesic, B., Engström, G. & Lestelius, M. (2008). Water-Borne and Solvent-Based Flexographic Inks Influence on Uncovered Area and Ink Leveling on PEcoated Paperboard. TAGA Journal Vol 4 2008.
Open this publication in new window or tab >>Water-Borne and Solvent-Based Flexographic Inks Influence on Uncovered Area and Ink Leveling on PEcoated Paperboard
2008 (English)In: TAGA Journal Vol 4 2008Article in journal (Refereed)
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-25688 (URN)
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2013-01-22
Larsson, M., Vidal, D., Zou, X. & Engström, G. (2007). Impact of calendering on coating structures. NORDIC PULP AND PAPER RESEARCH JOURNAL 22(2): 267-274.
Open this publication in new window or tab >>Impact of calendering on coating structures
2007 (English)In: NORDIC PULP AND PAPER RESEARCH JOURNAL 22(2): 267-274Article in journal (Refereed)
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-20195 (URN)
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Larsson, M., Vidal, D., Zou, X. & Engström, G. (2007). Paper coating properties as affected by pigment blendning and calendering study. TAPPI JOURNAL 6(8): 16-22.
Open this publication in new window or tab >>Paper coating properties as affected by pigment blendning and calendering study
2007 (English)In: TAPPI JOURNAL 6(8): 16-22Article in journal (Refereed)
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-22232 (URN)
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Kjellgren, H., Gällstedt, M., Engström, G. & Järnström, L. (2006). Barrier and Surface Properties of Chitosan-Coated Greaseproof Paper. Carbohydrate Polymers, 65(4) 453-460 (2006).
Open this publication in new window or tab >>Barrier and Surface Properties of Chitosan-Coated Greaseproof Paper
2006 (English)In: Carbohydrate Polymers, 65(4) 453-460 (2006)Article in journal (Refereed)
Keyword
Greaseproof papers, Air permeance, Coatings, Chitosan, Oxygen Barrier properties
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-17294 (URN)
Projects
Barrier coatings for greaseproof paper
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Mesic, B., Lestelius, M. & Engström, G. (2006). Convertability Effects on Printability of Low-Density Polyethylene-Coated Packaging Material. Paper presented at Proc. For Printing Technology SPb´06 P, Saint Petersburg, Russia. Paper presented at Proc. For Printing Technology SPb´06 P, Saint Petersburg, Russia. .
Open this publication in new window or tab >>Convertability Effects on Printability of Low-Density Polyethylene-Coated Packaging Material
2006 (English)Conference paper, Published paper (Refereed)
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-17874 (URN)
Conference
Proc. For Printing Technology SPb´06 P, Saint Petersburg, Russia
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Kjellgren, H. & Engström, G. (2006). Influence of base paper on the barrier properties of chitosan-coated papers. Nordic Pulp and Paper Research Journal 21 (5) pp 685-689.
Open this publication in new window or tab >>Influence of base paper on the barrier properties of chitosan-coated papers
2006 (English)In: Nordic Pulp and Paper Research Journal 21 (5) pp 685-689Article in journal (Refereed)
Abstract [en]

A kraft paper and three greaseproof papers with different porosities were coated with chitosan to see whether the cheaper kraft paper can be used as a base paper for this coating and whether the final coated paper meets the demand for a low oxygen transmission rate. The coating was performed on a bench scale and two coat weights were applied: 3.4 and 6.0 g/m2. Besides the oxygen transmission rate, the coated material was also tested with respect to air permeance, grease resistance and water vapour transmission rate. The results showed that the coated kraft papers did not meet the demand for a low oxygen transmission rate. A lower oxygen transmission rate was obtained on the greaseproof paper with the lowest porosity, where the coating stayed on the surface and formed a continuous film without cracks. The chitosan coating gave a high grease resistance on the two densest greaseproof papers. Chitosan provided no barrier against water vapour transmission

National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-20310 (URN)
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Mesic, B., Lestelius, M. & Engström, G. (2006). Influence of corona treatment decay on print quality in water-born flexographic printing of Low-Density Polyethylene-coated paperboard. Packaging Technology and Science, 19(2), 61-70 (2006).
Open this publication in new window or tab >>Influence of corona treatment decay on print quality in water-born flexographic printing of Low-Density Polyethylene-coated paperboard
2006 (English)In: Packaging Technology and Science, 19(2), 61-70 (2006)Article in journal (Refereed)
Keyword
surface energy, spreading, printability, water-borne flexography, low-density polyethylene-coated paperboard, LDPE-coated paperboard corona treatment, print density, dot gain, uncovered areas, mottling, contact angle
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-20314 (URN)
Projects
Flexographic printing of PE-coated paperboard
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
Kjellgren, H., Gällstedt, M., Engström, G. & Järnström, L. (2005). Barrier and Surface Properties of Chitosan Coated Greaseproof Paper. Paper presented at PTS workshop INNOVATIVE PACKAGING, M.Kleebauer, S. Sander, J. Oberndorfer (eds.), Munich: PTS 2005, PTS Symposium GV 573. Paper presented at PTS workshop INNOVATIVE PACKAGING, M.Kleebauer, S. Sander, J. Oberndorfer (eds.), Munich: PTS 2005, PTS Symposium GV 573. .
Open this publication in new window or tab >>Barrier and Surface Properties of Chitosan Coated Greaseproof Paper
2005 (English)Conference paper, Published paper (Other (popular science, discussion, etc.))
Abstract [en]

Greaseproof papers with different air permeances were coated with chitosan, both on a bench scale and on a pilot scale to study the conditions necessary to obtain a packaging material with good oxygen barrier and high grease resistance. The results showed that an oxygen transmission rate in the same range as that of poly(ethylene terephatalate) was obtained at coat weights exceeding 5 g/m². High grease resistance values were also obtained at this coat weight while water resistance was slightly deteriorated due to the hygroscopic character of chitosan. However, that coat weight could only be achieved on papers coated on a bench scale. On a pilot scale, the maximum coat weight was 0.2 g/m² because the solids content of the coating solution used was limited to 1.0 wt%. The coating on a pilot scale was performed using the metered size press technique. To increase the coat weight, the solids content of the solution must be increased considerably. A coating technique which yields higher coat weights might also be necessary.

Keyword
Greaseproof papers, Air permeance, Coatings, Chitosan, Oxygen Barrier properties
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
urn:nbn:se:kau:diva-17291 (URN)
Conference
PTS workshop INNOVATIVE PACKAGING, M.Kleebauer, S. Sander, J. Oberndorfer (eds.), Munich: PTS 2005, PTS Symposium GV 573
Projects
Barrier coatings for greaseproof paper
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21
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