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Listar por palabra clave "Polyethylene"

Mostrando ítems 1-14 de 14

An innovative approach to the application of ultrasounds to remove polyethylene microspheres from activated sludge

Alvim, Clara; Bes-Piá, M.A.; Mendoza Roca, José Antonio (Elsevier, 2021-06-01)

[EN] During the secondary treatment of Wastewater Treatment Plants (WWTP) previous studies have reported that microplastics (MPs), which correspond to plastic fragments smaller than 5 mm, are mostly retained in the activated ...
Desarrollo y caracterización de compuestos de lignina-poliolefina

Romero Morte, Sara (Universitat Politècnica de València, 2021-02-22)

[ES] Hoy en día, somos fuertemente dependientes de la energía, la mayoría de ellas proviene de combustibles fósiles y esta tendencia aumentará con el paso del tiempo si no encontramos una alternativa mejor. Paralelamente ...
Desarrollo y optimización de mezclas de alto rendimiento medioambiental basadas en poliolefinas y cargas de origen natural

Morcillo Esquerdo, María del Carmen (Universitat Politècnica de València, 2024-01-15)

[ES] Debido a la gran problemática que concierne el uso de plásticos, se ha incrementado la conciencia social derivada de los problemas medioambientales como la gran cantidad de desechos plásticos generados, la escasez de ...
Effect of polyethylene microplastics on activated sludge process Accumulation in the sludge and influence on the process and on biomass characteristics

Alvim, C. Bretas; Castelluccio, S.; Ferrer-Polonio, Eva; Bes-Piá, M.A.; Mendoza Roca, José Antonio; Fernández-Navarro, J.; Alonso Molina, José Luís; Amoros, Inmaculada (Elsevier, 2021-04)

[EN] According to previous research, it has been proved that wastewater treatment plants (WWTPs) can retain more than 90 % of the MPs contained in wastewater. However, a significant fraction of the MPs removed in WWTPs is ...
Effective antimicrobial materials based on low-density polyethylene (LDPE) with zinc oxide (ZnO) nanoparticles

Rojas, Karina; Canales, Daniel; Amigo, Nicolas; Montoille, Lisette; Cament, Alejandro; Rivas, Lina M.; Gil-Castell, O.; Reyes, Pablo; Ulloa, Maria Teresa; Ribes-Greus, A.; Zapata, Paula A. (Elsevier, 2019-09-01)

[EN] Effective antimicrobial polymeric nanocomposites were prepared with low density polyethylene (LDPE) and zinc oxide nanoparticles by melt compounding. These nanoparticles (~17 nm) obtained by the sol¿gel method, were ...
Improving mechanical performance of thermoplastic adhesion joints by atmospheric plasma

Fombuena, V.; Balart Gimeno, Javier Francisco; Boronat, T.; Sánchez-Nácher, L.; García-Sanoguera, D. (Elsevier, 2013)

Polyethylene (PE) is characterized by low surface energy as a consequence of its non-polar nature. This characteristic is responsible for poor adhesion properties on polyethylene substrates. It is well known that some ...
Manufacturing and Characterization of Environmentally Friendly Wood Plastic Composites Using Pinecone as a Filler into a Bio-Based High-Density Polyethylene Matrix

Morcillo, María del Carmen; Tejada, Ramón; Lascano-Aimacaña, Diego Sebastián; Garcia-Garcia, Daniel; Garcia-Sanoguera, David (MDPI AG, 2021-12)

[EN] The use of wood plastic composites (WPC) is growing very rapidly in recent years, in addition, the use of plastics of renewable origin is increasingly implemented because it allows to reduce the carbon footprint. In ...
Microwave heating of polymers: Influence of carbon nanotubes dispersion on the microwave susceptor effectiveness

Galindo-Galiana, Begoña; Benedito-Borrás, Adolfo; Ramos, Fernando; Giménez Torres, Enrique (John Wiley & Sons, 2016-12)

[EN] Carbon nanotubes dispersion within the polymer matrix is a very important factor to take into account when developing new nanocomposites with optimized properties. In this article, dispersion studies have been carried ...
Optimization of atmospheric plasma treatment of LDPE films: Influence on adhesive properties and ageing behavior

Fombuena Borrás, Vicent; García Sanoguera, David; Sánchez Nacher, Lourdes; Balart Gimeno, Rafael Antonio; Boronat Vitoria, Teodomiro (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2014-01-02)

One of the major disadvantages of low density polyethylene (LDPE) films is their poor adhesive properties. Therefore, LDPE films have been treated with atmospheric pressure air plasma in order to improve their surface ...
Polietilè funcionalitzat i hidrolíticament estable

Hervàs Arnandis, Susi (Universitat Politècnica de València, 2022-10-02)

[ES] Funcionalización directa del polietileno con ésteres de diferentes longitudes y formas, adición de carbenos y posterior transesterificación, para el estudio de sus diferentes estabilidades hidrolíticas.
Predicción del aislamiento acústico a ruido aéreo de sistemas multicapa con láminas de alta densidad

Balagué García, María (Universitat Politècnica de València, 2022-11-04)

[ES] En los últimos tiempos la tendencia para mejorar los resultados de aislamiento acústico a ruido aéreo en edificación es la inserción de láminas de alta densidad. Se insertan láminas de polietileno (reticulados, ...
Relaxation dynamics of poly(vinylidene fluoride) studied by dynamical mechanical measurements and dielectric spectroscopy

Sencadas, V.; Lanceros-Mendez, S.; Sabater i Serra, Roser; Andrio Balado, A.; Gómez Ribelles, José Luís (SPRINGER, 2012-05)

[EN] The aim of this study is to analyze the mobility of polymer chains in semicrystalline poly(vinylidene fluoride) (PVDF). PVDF crystallizes from the melt in the crystalline phase. The transformation from the phase to ...
Sistemas de revalorización de poliolefinas procedentes de residuos sólidos urbanos

Peinado López-Cepero, Francisco (Universitat Politècnica de València, 2023-06-26)

[ES] La revalorización del reciclado de plástico de envases se ha convertido en una de las prioridades ambientales más importantes a nivel mundial debido a que el plástico se ha convertido en uno de los materiales más ...
Upgrading Argan Shell Wastes in Wood Plastic Composites with Biobased Polyethylene Matrix and Different Compatibilizers

Jordá-Reolid, María; Gómez-Caturla, Jaume; Ivorra-Martínez, Juan; Stefani, Pablo Marcelo; Rojas-Lema, Sandra Paola; Quiles-Carrillo, Luis (MDPI AG, 2021-03-30)

[EN] The present study reports on the development of wood plastic composites (WPC) based on micronized argan shell (MAS) as a filler and high-density polyethylene obtained from sugarcane (Bio-HDPE), following the principles ...