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Use of residual agricultural plastics and cellulose fibers for obtaining sustainable eco-composites prevents waste generation

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dc.contributor.authorGonzález Sánchez, Carlos
dc.contributor.authorMartínez Aguirre, Alvar
dc.contributor.authorPérez García, Beatriz
dc.contributor.authorMartínez Urreaga, Joaquín
dc.contributor.authorOrden Hernández, María Ulagares De La
dc.contributor.authorFonseca Valero, Carmen
dc.date.accessioned2023-06-19T13:34:37Z
dc.date.available2023-06-19T13:34:37Z
dc.date.issued2014-11-15
dc.description.abstractCrop protection residual plastic films are a growing environmental problem which requires efficient solutions. Their suitability as matrices for obtaining sustainable eco-composites reinforced with industrially-sourced residual natural fibers was investigated in order to boost their recovery and prevent waste generation. The analysis of the studied residual agricultural plastics revealed that they are low density polyethylene still containing significant amounts of ethylene-vinyl acetate (2.5-4.5 wt%). A pilot-plant extrusion-compounding technology was applied to a selected recycled plastic from residual agricultural films and the residual cellulose fibers for obtaining the eco-composites. The effects of cellulose-fiber content and a selected maleic anhydride-modified polyethylene coupling agent on the properties and interfacial adhesion of the eco-composites were investigated. By using micromechanical models, scientific data of the intrinsic modulus and strength of the Eucalyptus Globulus residual fibers, hitherto scarcely available in literature, were found to be 16.4 GPa and 180 MPa, respectively, thus revealing their suitability as cost-effective reinforcement. Tensile modulus and strength of the eco-composites were up to 667% and 70% greater than those of the neat agricultural recycled plastic, the latter due to the enhanced compatibility provided by the ethylene-vinyl acetate found. When the coupling agent was added, tensile and flexural strengths increased up to a maximum of 20.26 MPa and 23.96 MPa, respectively. Property variations were found to be due to the fiber length reduction and the interfacial adhesion improvement caused by the coupling agent as well as to its plasticizing effect. The properties achieved revealed the suitability of the eco-composites for their immediate application in the production of numerous environmentally sustainable and cost-effective end-products from the aforementioned wastes.
dc.description.departmentSección Deptal. de Química Orgánica (Óptica y Optometría)
dc.description.facultyFac. de Óptica y Optometría
dc.description.refereedTRUE
dc.description.sponsorshipPlan Nacional R&D
dc.description.sponsorshipSecretaría para la Prevención de la Polución y el Cambio Climático del Departamento de Protección Medioambiental de España
dc.description.sponsorshipGobierno del Principado de Asturias
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/29938
dc.identifier.doi10.1016/j.jclepro.2014.07.061
dc.identifier.issn0959-6526
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.jclepro.2014.07.061
dc.identifier.relatedurlhttp://www.sciencedirect.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/34053
dc.journal.titleJournal of Cleaner Production
dc.language.isoeng
dc.page.final237
dc.page.initial228
dc.publisherElsevier LTD.
dc.relation.projectIDMAT2000-0690
dc.relation.projectIDMMA-A462/2007/2-02.7
dc.relation.projectIDPlan de Innovación, Ciencia y Tecnología
dc.rights.accessRightsrestricted access
dc.subject.cdu678.5
dc.subject.cdu54-127
dc.subject.keywordAgricultural plastics
dc.subject.keywordWaste prevention
dc.subject.keywordNatural fibers
dc.subject.keywordCellulose
dc.subject.keywordComposites
dc.subject.keywordIntrinsic properties
dc.subject.ucmIndustria del plástico
dc.subject.ucmQuímica industrial
dc.subject.ucmQuímica orgánica (Química)
dc.subject.unesco3312.10 Plásticos
dc.subject.unesco2306 Química Orgánica
dc.titleUse of residual agricultural plastics and cellulose fibers for obtaining sustainable eco-composites prevents waste generation
dc.typejournal article
dc.volume.number83
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