Continuous and sustainable cellulose filaments from ionic liquid dissolved paper sludge nanofibres

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dc.contributor.authorAdu, Cynthia
dc.contributor.authorZhu, Chenchen
dc.contributor.authorJolly, Mark R.
dc.contributor.authorRichardson, Robert M.
dc.contributor.authorEichhorn, Stephen J.
dc.date.accessioned2020-10-06T15:17:14Z
dc.date.available2020-10-06T15:17:14Z
dc.date.issued2020-10-03
dc.description.abstractThe textile industry is resource intensive, which has a significant impact on global emissions and waste pollution. To meet the demand of textiles over a third of fibres used in manufacturing are sourced from fossil fuels. As the global demand for textiles continues to grow, manufacturers have having to seek innovative approaches to providing sustainable regenerative cellulose fibres. However, the latest climate change pressures on the textile industry has uncovered grave environmental issues associated with traditional regenerative cellulose production such as the viscose manufacturing process. The viscose process the required intensive use of hazardous chemicals which leads to water pollution and ecotoxicity. In addition, if forestry products are unsustainably sourced for the viscose production this can lead to resource scarcity and deforestation. To provide a holistic solution for mitigating these challenges this study uses the by-products of paper manufacturing dissolved in an ionic liquid to produce regenerated cellulose filaments. Paper mill sludge (PMS) is a cellulosic by-product typically used on animal bedding and land spreading. The material has been dissolved in an ionic liquid - 1-ethyl-3-methylimidazolium diethyl phosphate - with the aid of a co-solvent dimethyl sulfoxide (DMSO) - and spun into continuous filaments for textile production. The mechanical properties of paper sludge filaments are found to be competitive with commercial viscose, which is promising for their drop-in replacement. It is also demonstrated that by increasing the concentration of the PMS from 9% to 12.4%, an improvement of the filament properties can be achieved; an increase in modulus from ~19 GPa to ~ 26 GPa and ~ 223 MPa to ~ 282 MPa. These values are shown to be competitive with other commercial, less sustainable, regenerated cellulose fibresen_UK
dc.identifier.citationAdu C, Zhu C, Jolly M, et al., (2021) Continuous and sustainable cellulose filaments from ionic liquid dissolved paper sludge nanofibres. Journal of Cleaner Production, Volume 280 Pt.2, January 2021, Article number 124503en_UK
dc.identifier.issn0959-6526
dc.identifier.urihttps://doi.org/10.1016/j.jclepro.2020.124503
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15863
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectSpinningen_UK
dc.subjectfibreen_UK
dc.subjectIonic liquiden_UK
dc.subjectPaper sludgeen_UK
dc.subjectcelluloseen_UK
dc.titleContinuous and sustainable cellulose filaments from ionic liquid dissolved paper sludge nanofibresen_UK
dc.typeArticleen_UK

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