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Utilization of different tall oils for improving the water resistance of cellulosic fibers
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för skog och träteknik (SOT). (GoFP)ORCID-id: 0000-0003-0883-2306
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för skog och träteknik (SOT). (GoFP)ORCID-id: 0000-0002-6909-2025
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET).
2019 (engelsk)Inngår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 136, nr 13, artikkel-id 47303Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This study was conducted to assess the effect of the pulping by-products crude tall oil (CTO), distilled tall oil (DTO), andtall oil fatty acid (TOFA) on dynamic water vapor sorption behavior, interfiber strength, and thermal stability of cellulosic paper-sheets.The results were compared against those obtained in cellulose papers treated with the conventional petroleum-derived hydrophobicagent hydrowax and in untreated ones. The tall oil treatments caused strong reduction in equilibrium moisture content of the paper-sheets during adsorption and desorption runs. The same trend was noticed for the hydrowax-treated papers, however, it was lesspronounced than the CTO-treated and DTO-treated samples in the relative humidity range of 75–95%. The sorption hysteresis was con-siderably decreased after the treatments. The ultimate dry-tensile strengths of the paper-sheets were significantly reduced by TOFA andhydrowax treatments, while CTO and DTO showed comparable strength as that of untreated control. The ultimate wet-strengths of thepaper-sheets were improved after the treatments. The thermal stability of the specimens was improved by the tall oil treatments, and thehydrowax-treated samples illustrated lower degradation temperature than the untreated control. The results are promising for the use oftall oils as alternative hydrophobic agents of cellulosicfiber-based products, such as wood panels and paper packaging.

sted, utgiver, år, opplag, sider
Wiley-Blackwell, 2019. Vol. 136, nr 13, artikkel-id 47303
HSV kategori
Forskningsprogram
Teknik, Skog och träteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-78872DOI: 10.1002/app.47303ISI: 000454418300034Scopus ID: 2-s2.0-85056707222OAI: oai:DiVA.org:lnu-78872DiVA, id: diva2:1264006
Forskningsfinansiär
Vinnova, 2015‐04825The Kamprad Family Foundation, 20160052Tilgjengelig fra: 2018-11-19 Laget: 2018-11-19 Sist oppdatert: 2019-08-29bibliografisk kontrollert

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Hosseinpourpia, RezaAdamopoulos, StergiosParsland, Charlotte

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