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Effects of Lignocellulosic Fillers from Waste Thyme on Melt Flow Behavior and Processability of Wood Plastic Composites (WPC) with Biobased Poly(ethylene) by Injection Molding

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Effects of Lignocellulosic Fillers from Waste Thyme on Melt Flow Behavior and Processability of Wood Plastic Composites (WPC) with Biobased Poly(ethylene) by Injection Molding

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dc.contributor.author Montanes, Nestor es_ES
dc.contributor.author Quiles-Carrillo, Luis es_ES
dc.contributor.author Ferrándiz Bou, Santiago es_ES
dc.contributor.author Fenollar, Octavio es_ES
dc.contributor.author Boronat, Teodomiro es_ES
dc.date.accessioned 2019-03-01T13:33:44Z
dc.date.available 2019-03-01T13:33:44Z
dc.date.issued 2019 es_ES
dc.identifier.issn 1566-2543 es_ES
dc.identifier.uri http://hdl.handle.net/10251/117533
dc.description.abstract [EN] Wood-like plastic composites were manufactured with a thermoplastic matrix polymer from renewable resources, i.e. high-density poly(ethylene) from bioethanol and a lignocellulosic filler obtained as a byproduct of the industrial distillation of thyme. The potential manufacturing of these composites by injection molding was studied. For this purpose, an in depth study of the effects of the lignocellulosic loading (comprised between 10 and 50 wt%) on the rheological properties of these composites was carried out by using capillary rheometry and model fitting with the Cross-WLF rheological model. In addition, a side by side comparison of the experimental results and those obtained by simulations with MoldFlow® was provided. In addition, the values of the pressure in the cavity and in the sprue were measured and collected by two selectively mounted pressure sensors and the results were compared with those predicted by MoldFlow® with the inputs provided by the Cross-WLF fitting model. The results showed a remarkable increase in viscosity with increasing lignocellulosic filler content, which has a negative effect on overall processability. This phenomenon specifically intense at low shear rates. However, this phenomenon could be potentially minimized using high shear rates because of the shear thinning effect of pseudoplastic fluids. Both the experimental and simulated results suggest the need of higher pressures to fill the cavity with these WPC, specifically for those with high filler content of up to 50 wt%. The results of the study indicate that melt viscosity is highly linked to the cavity pressure which is the dominant factor determining the quality of the final product in plastic injection molding. es_ES
dc.description.sponsorship This research was supported by the Ministry of Economy and Competitiveness – MINECO through the grant number MAT2014-59242-C2-1-R. Authors also wish to thank “Licores Sinc, S.A.” for kindly supplying the thyme wastes.
dc.language Inglés es_ES
dc.publisher Springer-Verlag es_ES
dc.relation.ispartof Journal of Polymers and the Environment es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Natural fibers es_ES
dc.subject Rheological properties es_ES
dc.subject Process simulation es_ES
dc.subject Injection molding es_ES
dc.subject Thyme es_ES
dc.subject.classification INGENIERIA DE LOS PROCESOS DE FABRICACION es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.title Effects of Lignocellulosic Fillers from Waste Thyme on Melt Flow Behavior and Processability of Wood Plastic Composites (WPC) with Biobased Poly(ethylene) by Injection Molding es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s10924-019-01388-0 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2014-59242-C2-1-R/ES/TECNICAS AVANZADAS DE PROCESADO PARA SISTEMAS ACTIVOS ENCAPSULADOS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Tecnología de Materiales - Institut de Tecnologia de Materials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.description.bibliographicCitation Montanes, N.; Quiles-Carrillo, L.; Ferrándiz Bou, S.; Fenollar, O.; Boronat, T. (2019). Effects of Lignocellulosic Fillers from Waste Thyme on Melt Flow Behavior and Processability of Wood Plastic Composites (WPC) with Biobased Poly(ethylene) by Injection Molding. Journal of Polymers and the Environment. https://doi.org/10.1007/s10924-019-01388-0 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1007/s10924-019-01388-0 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.relation.pasarela S\377713 es_ES
dc.contributor.funder Ministerio de Economía, Industria y Competitividad es_ES
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