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Interference of biodegradable plastics in the polypropylene recycling process

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Interference of biodegradable plastics in the polypropylene recycling process

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dc.contributor.author Samper, María-Dolores es_ES
dc.contributor.author Bertomeu, D. es_ES
dc.contributor.author Arrieta, M. P. es_ES
dc.contributor.author Ferri, J. M. es_ES
dc.contributor.author López-Martínez, Juan es_ES
dc.date.accessioned 2020-02-19T21:00:39Z
dc.date.available 2020-02-19T21:00:39Z
dc.date.issued 2018 es_ES
dc.identifier.uri http://hdl.handle.net/10251/137340
dc.description.abstract [EN] Recycling polymers is common due to the need to reduce the environmental impact of these materials. Polypropylene (PP) is one of the polymers called commodities polymers' and it is commonly used in a wide variety of short-term applications such as food packaging and agricultural products. That is why a large amount of PP residues that can be recycled are generated every year. However, the current increasing introduction of biodegradable polymers in the food packaging industry can negatively affect the properties of recycled PP if those kinds of plastics are disposed with traditional plastics. For this reason, the influence that generates small amounts of biodegradable polymers such as polylactic acid (PLA), polyhydroxybutyrate (PHB) and thermoplastic starch (TPS) in the recycled PP were analyzed in this work. Thus, recycled PP was blended with biodegradables polymers by melt extrusion followed by injection moulding process to simulate the industrial conditions. Then, the obtained materials were evaluated by studding the changes on the thermal and mechanical performance. The results revealed that the vicat softening temperature is negatively affected by the presence of biodegradable polymers in recycled PP. Meanwhile, the melt flow index was negatively affected for PLA and PHB added blends. The mechanical properties were affected when more than 5 wt.% of biodegradable polymers were present. Moreover, structural changes were detected when biodegradable polymers were added to the recycled PP by means of FTIR, because of the characteristic bands of the carbonyl group (between the band 1700-1800 cm(-1)) appeared due to the presence of PLA, PHB or TPS. Thus, low amounts (lower than 5 wt.%) of biodegradable polymers can be introduced in the recycled PP process without affecting the overall performance of the final material intended for several applications, such as food packaging, agricultural films for farming and crop protection. es_ES
dc.description.sponsorship This research was funded by Conselleria d'Educacio, Investigacio, Cultura y Esport de la Generalitat Valenciana, grant number APOSTD/2018/209. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Materials es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Recycling es_ES
dc.subject Polypropylene es_ES
dc.subject Biodegradable polymers es_ES
dc.subject Degradation es_ES
dc.subject Inmiscibility es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.title Interference of biodegradable plastics in the polypropylene recycling process es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/ma11101886 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//APOSTD%2F2018%2F209/ es_ES
dc.rights.accessRights Abierto 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.contributor.affiliation Universitat Politècnica de València. Instituto de Tecnología de Materiales - Institut de Tecnologia de Materials es_ES
dc.description.bibliographicCitation Samper, M.; Bertomeu, D.; Arrieta, MP.; Ferri, JM.; López-Martínez, J. (2018). Interference of biodegradable plastics in the polypropylene recycling process. Materials. 11(10):1-18. https://doi.org/10.3390/ma11101886 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/ma11101886 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 18 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.description.issue 10 es_ES
dc.identifier.eissn 1996-1944 es_ES
dc.relation.pasarela S\350553 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
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