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Dolza C, Fages E, Gonga E, Gomez-Caturla J, Balart R, Quiles-Carrillo L. Development and Characterization of Environmentally Friendly Wood Plastic Composites from Biobased Polyethylene and Short Natural Fibers Processed by Injection Moulding. Polymers (Basel) 2021; 13:polym13111692. [PMID: 34067283 PMCID: PMC8196893 DOI: 10.3390/polym13111692] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/19/2021] [Accepted: 05/20/2021] [Indexed: 12/17/2022] Open
Abstract
Environmentally friendly wood plastic composites (WPC) with biobased high density polyethylene (BioHDPE) as the polymer matrix and hemp, flax and jute short fibers as natural reinforcements, were melt-compounded using twin-screw extrusion and shaped into pieces by injection molding. Polyethylene-graft-maleic anhydride (PE-g-MA) was added at two parts per hundred resin to the WPC during the extrusion process in order to reduce the lack in compatibility between the lignocellulosic fibers and the non-polar polymer matrix. The results revealed a remarkable improvement of the mechanical properties with the combination of natural fibers, along with PE-g-MA, highly improved stiffness and mechanical properties of neat BioHDPE. Particularly, hemp fiber drastically increased the Young's modulus and impact strength of BioHDPE. Thermal analysis revealed a slight improvement in thermal stability with the addition of the three lignocellulosic fibers, increasing both melting and degradation temperatures. The incorporation of the fibers also increased water absorption due to their lignocellulosic nature, which drastically improved the polarity of the composite. Finally, fire behavior properties were also improved in terms of flame duration, thanks to the ability of the fibers to form char protective barriers that isolate the material from oxygen and volatiles.
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Affiliation(s)
- Celia Dolza
- Textile Industry Research Association (AITEX), Plaza Emilio Sala, 1, 03801 Alcoy, Spain; (C.D.); (E.F.); (E.G.)
| | - Eduardo Fages
- Textile Industry Research Association (AITEX), Plaza Emilio Sala, 1, 03801 Alcoy, Spain; (C.D.); (E.F.); (E.G.)
| | - Eloi Gonga
- Textile Industry Research Association (AITEX), Plaza Emilio Sala, 1, 03801 Alcoy, Spain; (C.D.); (E.F.); (E.G.)
| | - Jaume Gomez-Caturla
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (R.B.); (L.Q.-C.)
- Correspondence: ; Tel.: +34-966-528-433
| | - Rafael Balart
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (R.B.); (L.Q.-C.)
| | - Luis Quiles-Carrillo
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (R.B.); (L.Q.-C.)
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Agüero Á, Garcia-Sanoguera D, Lascano D, Rojas-Lema S, Ivorra-Martinez J, Fenollar O, Torres-Giner S. Evaluation of Different Compatibilization Strategies to Improve the Performance of Injection-Molded Green Composite Pieces Made of Polylactide Reinforced with Short Flaxseed Fibers. Polymers (Basel) 2020; 12:E821. [PMID: 32260439 PMCID: PMC7240506 DOI: 10.3390/polym12040821] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 03/25/2020] [Accepted: 03/31/2020] [Indexed: 11/16/2022] Open
Abstract
Green composites made of polylactide (PLA) and short flaxseed fibers (FFs) at 20 wt % were successfully compounded by twin-screw extrusion (TSE) and subsequently shaped into pieces by injection molding. The linen waste derived FFs were subjected to an alkalization pretreatment to remove impurities, improve the fiber surface quality, and make the fibers more hydrophobic. The alkali-pretreated FFs successfully reinforced PLA, leading to green composite pieces with higher mechanical strength. However, the pieces also showed lower ductility and toughness and the lignocellulosic fibers easily detached during fracture due to the absence or low interfacial adhesion with the biopolyester matrix. Therefore, four different compatibilization strategies were carried out to enhance the fiber-matrix interfacial adhesion. These routes consisted on the silanization of the alkalized FFs with a glycidyl silane, namely (3-glycidyloxypropyl) trimethoxysilane (GPTMS), and the reactive extrusion (REX) with three compatibilizers, namely a multi-functional epoxy-based styrene-acrylic oligomer (ESAO), a random copolymer of poly(styrene-co-glycidyl methacrylate) (PS-co-GMA), and maleinized linseed oil (MLO). The results showed that all the here-tested compatibilizers improved mechanical strength, ductility, and toughness as well as the thermal stability and thermomechanical properties of the green composite pieces. The highest interfacial adhesion was observed in the green composite pieces containing the silanized fibers. Interestingly, PS-co-GMA and, more intensely, ESAO yielded the pieces with the highest mechanical performance due to the higher reactivity of these additives with both composite components and their chain-extension action, whereas MLO led to the most ductile pieces due to its secondary role as plasticizer for PLA.
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Affiliation(s)
- Ángel Agüero
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
| | - David Garcia-Sanoguera
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
| | - Diego Lascano
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
- Escuela Politécnica Nacional, 17-01-2759 Quito, Ecuador
| | - Sandra Rojas-Lema
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
- Escuela Politécnica Nacional, 17-01-2759 Quito, Ecuador
| | - Juan Ivorra-Martinez
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
| | - Octavio Fenollar
- Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (Á.A.); (D.G.-S.); (J.I.-M.); (O.F.)
| | - Sergio Torres-Giner
- Novel Materials and Nanotechnology Group, Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC), Calle Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Spain
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Unravelling the consequences of ultra-fine milling on physical and chemical characteristics of flax fibres. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2019.10.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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De Prez J, Van Vuure AW, Ivens J, Aerts G, Van de Voorde I. Flax treatment with strategic enzyme combinations: Effect on chemical fiber composition and ease of fiber extraction. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2019; 23:e00358. [PMID: 31321214 PMCID: PMC6612796 DOI: 10.1016/j.btre.2019.e00358] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/28/2019] [Accepted: 06/25/2019] [Indexed: 02/01/2023]
Abstract
The effect of treatment of flax with strategic enzyme combinations on the ease of fiber extraction and the chemical fiber composition is reported in this study. To contribute to the increasing demand for bio-based and sustainable materials, it is of great importance to develop optimal enzyme formulations which can replace the yet poorly controlled traditional dew retting process. Regarding the chemical composition of the fiber, enzymatic treatments all resulted in similar improvements, with an enhanced cellulose content of 81 ± 1% after polygalacturonase + xylanase treatment (vs. 64 ± 2% for green fibers). Evaluation of extraction efficiency (EE) showed that several enzyme combinations significantly increased EE in comparison with green fibers. An EE of 23 ± 6% was found for fibers extracted after polygalacturonase + pectinmethylesterase treatment, in comparison with an EE of 11 ± 1% for green fibers. Combinations with three enzymes resulted in a higher reduction of the pectin content of the fibers. The combination of enzymes shows hence promising potential but further evaluation of mechanical performance of fiber reinforced composites is needed.
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Affiliation(s)
- Jana De Prez
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M²S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology (EFBT), Technology Campus Ghent, Gebroeders De Smetstraat 1, 9000, Ghent, Belgium
| | - Aart Willem Van Vuure
- KU Leuven, Faculty of Engineering Technology, Department of Materials Engineering (MTM), Technology Cluster for Materials Technology (TC-MT), Campus Group T, Andreas Vesaliusstraat 13, B-3000, Leuven, Belgium
| | - Jan Ivens
- KU Leuven, Faculty of Engineering Technology, Department of Materials Engineering (MTM), Technology Cluster for Materials Technology (TC-MT), Campus De Nayer, De Nayerlaan 5, B-2860, Sint-Katelijne Waver, Belgium
| | - Guido Aerts
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M²S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology (EFBT), Technology Campus Ghent, Gebroeders De Smetstraat 1, 9000, Ghent, Belgium
| | - Ilse Van de Voorde
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M²S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology (EFBT), Technology Campus Ghent, Gebroeders De Smetstraat 1, 9000, Ghent, Belgium
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Chabi M, Goulas E, Leclercq CC, de Waele I, Rihouey C, Cenci U, Day A, Blervacq AS, Neutelings G, Duponchel L, Lerouge P, Hausman JF, Renaut J, Hawkins S. A Cell Wall Proteome and Targeted Cell Wall Analyses Provide Novel Information on Hemicellulose Metabolism in Flax. Mol Cell Proteomics 2017; 16:1634-1651. [PMID: 28706005 PMCID: PMC5587863 DOI: 10.1074/mcp.m116.063727] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 07/10/2017] [Indexed: 12/20/2022] Open
Abstract
Experimentally-generated (nanoLC-MS/MS) proteomic analyses of four different flax organs/tissues (inner-stem, outer-stem, leaves and roots) enriched in proteins from 3 different sub-compartments (soluble-, membrane-, and cell wall-proteins) was combined with publically available data on flax seed and whole-stem proteins to generate a flax protein database containing 2996 nonredundant total proteins. Subsequent multiple analyses (MapMan, CAZy, WallProtDB and expert curation) of this database were then used to identify a flax cell wall proteome consisting of 456 nonredundant proteins localized in the cell wall and/or associated with cell wall biosynthesis, remodeling and other cell wall related processes. Examination of the proteins present in different flax organs/tissues provided a detailed overview of cell wall metabolism and highlighted the importance of hemicellulose and pectin remodeling in stem tissues. Phylogenetic analyses of proteins in the cell wall proteome revealed an important paralogy in the class IIIA xyloglucan endo-transglycosylase/hydrolase (XTH) family associated with xyloglucan endo-hydrolase activity.Immunolocalisation, FT-IR microspectroscopy, and enzymatic fingerprinting indicated that flax fiber primary/S1 cell walls contained xyloglucans with typical substituted side chains as well as glucuronoxylans in much lower quantities. These results suggest a likely central role of xyloglucans and endotransglucosylase/hydrolase activity in flax fiber formation and cell wall remodeling processes.
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Affiliation(s)
- Malika Chabi
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France
| | - Estelle Goulas
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France
| | - Celine C Leclercq
- §Department Environmental Research and Innovation (ERIN), Luxembourg Institute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg
| | - Isabelle de Waele
- **Université Lille, CNRS, UMR 8516, Laboratoire de Spectrochimie Infrarouge et Raman, F 59655 Villeneuve d'Ascq, France
| | - Christophe Rihouey
- ‖Laboratoire Polymère Biopolymère Surface, UMR6270 CNRS, Institut de Recherche et d'Innovation Biomédicale, Normandie Université, Mont-Saint-Aignan, France
| | - Ugo Cenci
- ‡‡Department of Biochemistry and Molecular Biology and Centre for Comparative Genomics and Evolutionary Bioinformatics Dalhousie University, Halifax, Canada
| | - Arnaud Day
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France
| | - Anne-Sophie Blervacq
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France
| | - Godfrey Neutelings
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France
| | - Ludovic Duponchel
- **Université Lille, CNRS, UMR 8516, Laboratoire de Spectrochimie Infrarouge et Raman, F 59655 Villeneuve d'Ascq, France
| | - Patrice Lerouge
- ¶Laboratoire Glyco-MEV EA 4358, Institut de Recherche et d'Innovation Biomédicale, Normandie Université, Mont-Saint-Aignan, France
| | - Jean-François Hausman
- §Department Environmental Research and Innovation (ERIN), Luxembourg Institute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg
| | - Jenny Renaut
- §Department Environmental Research and Innovation (ERIN), Luxembourg Institute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg
| | - Simon Hawkins
- From the ‡Université Lille, CNRS, UMR 8576, UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France;
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Bourmaud A, Baley C. Effects of thermo mechanical processing on the mechanical properties of biocomposite flax fibers evaluated by nanoindentation. Polym Degrad Stab 2010. [DOI: 10.1016/j.polymdegradstab.2010.06.022] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Zhang L, Zhu R, Chen J, Chen J, Feng X. Seawater-retting treatment of hemp and characterization of bacterial strains involved in the retting process. Process Biochem 2008. [DOI: 10.1016/j.procbio.2008.06.019] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kim S, López C, Güebitz G, Cavaco‐Paulo A. Biological Coloration of Flax Fabrics with Flavonoids using Laccase from Trametes hirsuta. Eng Life Sci 2008. [DOI: 10.1002/elsc.200700061] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Kernaghan K, Sharma H, Whiteside L. Development of a novel roving-treatment process employing sequential chelating agent and enzymatic stages, utilising thermal analysis for assessment of fibre and yarn quality. Enzyme Microb Technol 2006. [DOI: 10.1016/j.enzmictec.2005.09.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Day A, Ruel K, Neutelings G, Crônier D, David H, Hawkins S, Chabbert B. Lignification in the flax stem: evidence for an unusual lignin in bast fibers. PLANTA 2005; 222:234-45. [PMID: 15968509 DOI: 10.1007/s00425-005-1537-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2004] [Accepted: 01/29/2005] [Indexed: 05/03/2023]
Abstract
In the context of our research on cell wall formation and maturation in flax (Linum usitatissimum L) bast fibers, we (1) confirmed the presence of lignin in bast fibers and (2) quantified and characterized the chemical nature of this lignin at two developmental stages. Histochemical methods (Weisner and Maüle reagents and KMnO(4)-staining) indicating the presence of lignin in bast fibers at the light and electron microscope levels were confirmed by chemical analyses (acetyl bromide). In general, the lignin content in flax bast fibers varied between 1.5% and 4.2% of the dry cell wall residues (CWRs) as compared to values varying between 23.7% and 31.4% in flax xylem tissues. Immunological and chemical analyses (thioacidolysis and nitrobenzene oxidation) indicated that both flax xylem- and bast fiber-lignins were rich in guaiacyl (G) units with S/G values inferior to 0.5. In bast fibers, the highly sensitive immunological probes allowed the detection of condensed guaiacyl-type (G) lignins in the middle lamella, cell wall junctions, and in the S1 layer of the secondary wall. In addition, lower quantities of mixed guaiacyl-syringyl (GS) lignins could be detected throughout the secondary cell wall. Chemical analyses suggested that flax bast-fiber lignin is more condensed than the corresponding xylem lignin. In addition, H units represented up to 25% of the monomers released from bast-fiber lignin as opposed to a value of 1% for the corresponding xylem tissue. Such an observation indicates that the structure of flax bast-fiber lignin is significantly different from that of the more typical 'woody plant lignin', thereby suggesting that flax bast fibers represent an interesting system for studying an unusual lignification process.
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Affiliation(s)
- Arnaud Day
- Laboratoire de Physiologie des Parois Végétales, UPRES EA 3568-USC-INRA, UFR de Biologie, USTL, 59655, Villeneuve d'Ascq cedex, France
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Sharma H, Whiteside L, Kernaghan K. Enzymatic treatment of flax fibre at the roving stage for production of wet-spun yarn. Enzyme Microb Technol 2005. [DOI: 10.1016/j.enzmictec.2004.10.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Bioscouring of hemp (Cannabis Sativa L) using pectate lyase (EC 4.2.2.2), Scourzyme L, was performed at 55 degrees C and pH 8.5 in a nonagitated system. The enzyme concentration, treatment time and substrate concentration were varied to obtain the kinetic constants, K(m) and V(m). Greater enzyme concentration and a longer treatment improved the removal of the low methoxy pectin component as indicated by UV spectroscopy. Removal of pectate caused no crystalline transformation in the fibres, except for a slight decline in the crystallinity order index analysed by Fourier Transform infrared spectroscopy and wide angle X-ray diffraction. This corresponded well with the single fibre bundle tensile mechanical properties test. Smooth surfaces and separated fibres observed using SEM images were evidence of successful treatment, supported by weight loss at low temperature of a pectic substance. After treatment, the pectin substance was no longer observed during thermogravimetry. An increase in surface area and pore size after scouring were further evidence of modification.
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Affiliation(s)
- Sirisart Ouajai
- Applied Chemistry, RMIT University, GPO Box 2476V, Melbourne 3001, Australia
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Akin DE, Foulk JA, Dodd RB, McAlister DD. Enzyme-retting of flax and characterization of processed fibers. J Biotechnol 2001; 89:193-203. [PMID: 11500213 DOI: 10.1016/s0168-1656(01)00298-x] [Citation(s) in RCA: 115] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Enzyme-retting formulations consisting of Viscozyme L, a pectinase-rich commercial enzyme product, and ethylenediaminetetraacetic acid (EDTA) were tested on Ariane fiber flax and North Dakota seed flax straw residue. Flax stems that were crimped to disrupt the outer layers were soaked with various proportions of Viscozyme-EDTA solutions, retted, and then cleaned and cottonized with commercial processing equipment. Fiber properties were determined and crude test yarns were made of raw and Shirley cleaned flax fibers and cotton in various blend levels. Cleaned fibers were obtained from both seed and fiber flax types, but with variations due to treatment. Retting formulations produced fibers having different properties, with enzyme levels of 0.3% (v/v as supplied) giving finer but weaker fibers than 0.05% regardless of EDTA level. Experimental yarns of blended flax and cotton fibers varied in mass coefficient of variation, single end strength, and nep imperfections due to sample and formulation. With cost and fiber and yarn quality as criteria, results established a range in the amounts of components comprising retting formulations as a basis for further studies to optimize enzyme-retting formulations for flax. Under conditions examined herein, Viscozyme L at 0.3% (v/v) plus 25 mM EDTA produced the best test yarns and, therefore, established a base for future studies to develop commercial-grade, short staple flax fibers for use in textiles.
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Affiliation(s)
- D E Akin
- US Department of Agriculture, Agricultural Research Service, Russell Research Center, PO Box 5677, Athens, GA 30604, USA
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