The effect of Plantago psyllium seed husk flour on the properties of cellulose sheet
Author:
Halász Katalin12, Kóczán Zsófia32, Tóth Annamária1, Pásztory Zoltán3, Preklet Edina1
Affiliation:
1. Institute of Physics and Electrotechnics, Faculty of Simonyi Károly , 54610 University of Sopron , 4 Bajcsy-Zsilinszky str. , Sopron , Hungary 2. Paper Research Institute, Faculty of Simonyi Károly , 54610 University of Sopron , 4 Bajcsy-Zsilinszky str. , Sopron , Hungary 3. Innovation Center, Faculty of Simonyi Károly , 54610 University of Sopron , 4 Bajcsy-Zsilinszky str. , Sopron , Hungary
Abstract
Abstract
This study examined the use of Plantago psyllium seed husk flour as paper additive with the aim of improving the properties of cellulose sheet. The husk flour was added in 5 wt%, 10 wt%, 20 wt% and 30 wt% to the cellulose suspensions and its effect on the handsheet properties was studied. The results showed that the direct addition of husk flour highly improves the mechanical properties of the handsheets like tensile index (with up to 400 %), burst index (with up to 600 %) and tear index (with up to 1200 %). Cobb and contact angle tests with distilled water showed that the handsheets containing husk flour are more hydrophobic compared to the unmodified handsheets. The Cobb-Unger and contact angle tests with oil revealed that the additive reduces the oil absorbency of the handsheets as well, at the highest by 86 %. Additionally, the water vapor and especially the air barrier properties were improved. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) antioxidant capacity test showed that the modified handsheets had free radical scavenging properties. The direct addition of Plantago psyllium seed husk flour can be a promising, easy and green method to improve the mechanical and barrier properties, oil and water resistance of cellulose sheets.
Funder
European Regional Development Fund
Publisher
Walter de Gruyter GmbH
Subject
General Materials Science,Forestry
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