Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid)
This paper presents a novel approach to reduce the water vapor transmission rate (WVTR) and water absorbance of wheat gluten/paperboard laminates by introducing a hydrophobic component (oleic acid (OA)) into the hydrophilic plasticizer (glycerol). Whereas the paperboard showed immeasurably high WVTR...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | International Journal of Polymer Science |
| Online Access: | http://dx.doi.org/10.1155/2012/454359 |
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| _version_ | 1850110126809153536 |
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| author | Sung-Woo Cho Thomas O. J. Blomfeldt Helena Halonen Mikael Gällstedt Mikael S. Hedenqvist |
| author_facet | Sung-Woo Cho Thomas O. J. Blomfeldt Helena Halonen Mikael Gällstedt Mikael S. Hedenqvist |
| author_sort | Sung-Woo Cho |
| collection | DOAJ |
| description | This paper presents a novel approach to reduce the water vapor transmission rate (WVTR) and water absorbance of wheat gluten/paperboard laminates by introducing a hydrophobic component (oleic acid (OA)) into the hydrophilic plasticizer (glycerol). Whereas the paperboard showed immeasurably high WVTR, the laminate with gluten/glycerol yielded finite values. More importantly, by incorporating 75 wt.% OA into the plasticizer, the WVTR and water absorbance were reduced by, respectively, a factor of three and 1.5–2. Of particular interest was that the mechanical properties were not changing dramatically between 0 and 50 wt.% OA. The results showed clear benefits of combining a gluten film with paperboard. Whereas the paperboard provided toughness, the WG layer contributed with improved moisture barrier properties. In addition, WVTR indicated that the paperboard reduced the swelling of the outer gluten/glycerol layer in moist conditions; a free standing gluten/glycerol film would yield infinite, rather than finite, WVTR values. |
| format | Article |
| id | doaj-art-47d19cde0b024ad1bc0e3ab7ddeccad7 |
| institution | OA Journals |
| issn | 1687-9422 1687-9430 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Polymer Science |
| spelling | doaj-art-47d19cde0b024ad1bc0e3ab7ddeccad72025-08-20T02:37:54ZengWileyInternational Journal of Polymer Science1687-94221687-94302012-01-01201210.1155/2012/454359454359Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid)Sung-Woo Cho0Thomas O. J. Blomfeldt1Helena Halonen2Mikael Gällstedt3Mikael S. Hedenqvist4Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, SwedenDepartment of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, SwedenInnventia, P.O. Box 5604, 114 86 Stockholm, SwedenInnventia, P.O. Box 5604, 114 86 Stockholm, SwedenDepartment of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, SwedenThis paper presents a novel approach to reduce the water vapor transmission rate (WVTR) and water absorbance of wheat gluten/paperboard laminates by introducing a hydrophobic component (oleic acid (OA)) into the hydrophilic plasticizer (glycerol). Whereas the paperboard showed immeasurably high WVTR, the laminate with gluten/glycerol yielded finite values. More importantly, by incorporating 75 wt.% OA into the plasticizer, the WVTR and water absorbance were reduced by, respectively, a factor of three and 1.5–2. Of particular interest was that the mechanical properties were not changing dramatically between 0 and 50 wt.% OA. The results showed clear benefits of combining a gluten film with paperboard. Whereas the paperboard provided toughness, the WG layer contributed with improved moisture barrier properties. In addition, WVTR indicated that the paperboard reduced the swelling of the outer gluten/glycerol layer in moist conditions; a free standing gluten/glycerol film would yield infinite, rather than finite, WVTR values.http://dx.doi.org/10.1155/2012/454359 |
| spellingShingle | Sung-Woo Cho Thomas O. J. Blomfeldt Helena Halonen Mikael Gällstedt Mikael S. Hedenqvist Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) International Journal of Polymer Science |
| title | Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) |
| title_full | Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) |
| title_fullStr | Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) |
| title_full_unstemmed | Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) |
| title_short | Wheat Gluten-Laminated Paperboard with Improved Moisture Barrier Properties: A New Concept Using a Plasticizer (Glycerol) Containing a Hydrophobic Component (Oleic Acid) |
| title_sort | wheat gluten laminated paperboard with improved moisture barrier properties a new concept using a plasticizer glycerol containing a hydrophobic component oleic acid |
| url | http://dx.doi.org/10.1155/2012/454359 |
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