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Listar por palabra clave "Polyhydroxyalkanoates"

Mostrando ítems 1-16 de 16

Bacterial cellulose nanowhiskers to enhance the properties of plastics and bioplastics of interest in food packaging

Martínez Sanz, Marta (Universitat Politècnica de València, 2013-07-01)

El presente trabajo tiene por objetivo estudiar las aplicaciones de los nanocristales o ¿nanowhiskers¿ extraídos mediante hidrólisis ácida de celulosa bacteriana (BCNW) para el desarrollo de materiales poliméricos y ...
Biodegradable Mono and Multilayer Materials with Antimicrobial Capacity Based on Circular Bioeconomy of Application Interest in Food Packaging

Figueroa López, Kelly Johana (Universitat Politècnica de València, 2021-06-28)

[ES] El envasado activo es una de las tecnologías emergentes más relevantes de la industria alimentaria. Su objetivo es interactuar con el espacio de cabeza del envase para controlar las reacciones enzimáticas, químicas, ...
Blends of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) with Fruit Pulp Biowaste Derived Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate-co-3-Hydroxyhexanoate) for Organic Recycling Food Packaging

Melendez-Rodriguez, Beatriz; Torres-Giner, S.; Reis, Maria A. M.; Silva, Fernando; Matos, Mariana; Cabedo, Luis; Lagarón, José María (MDPI AG, 2021-04)

[EN] In the present study, a new poly(3-hydroxybutyrate-co-3-hydroxyvalerate-co-3-hydroxyhexanoate) [P(3HB-co-3HV-co-3HHx)] terpolyester with approximately 68 mol% of 3-hydroxybutyrate (3HB), 17 mol% of 3-hydroxyvalerate ...
Cultivation of Azotobacter vinelandii in microplates

Gastón Quesada, Andrea Susana (Universitat Politècnica de València, 2022-09-16)

[ES] Después del descubrimiento de Azotobacter vinelandii en 1903, las características de mayor interés del género han sido sus nitrogenasas y su capacidad para fijar nitrógeno. Sin embargo, Azotobacter vinelandii también ...
Development and Characterization of Monolayers and Multilayers Based on Biodegradable Materials Derived from Waste and By-products of Interest in Food Packaging

Meléndez Rodríguez, Beatriz (Universitat Politècnica de València, 2022-07-21)

[ES] La producción y consumo de plásticos derivados de petróleo ha crecido exponencialmente en las últimas décadas, impactando en la naturaleza y los seres vivos. Los envases alimentarios son considerados la principal ...
Development of P(3HB-co-3HHx) nanohydroxyapatite (nHA) composites for scaffolds manufacturing by means of fused deposition modeling

Ivorra-Martinez, Juan; Ferrer, Ines; Aguado, Roberto; Delgado-Aguilar, Marc; Garcia-Romeu, Maria Luisa; Boronat, Teodomiro (Whioce Publishing Pte. Ltd., 2024)

[EN] This work reports on the development of nanocomposites based on poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] and nanohydroxyapatite (nHA) for the development of scaffolds by means of a two-stage ...
Effect of the addition of sepiolite on the morphology and properties of melt compounded PHBV/PLA blends

González-Ausejo, Jennifer; Gámez-Pérez, José; Balart, Rafael; Lagarón, José María; Cabedo, Luis (John Wiley & Sons, 2019-01)

[EN] A study concerning the incorporation of sepiolite in blends of biopolyesters (PHBV/PLA) to obtain clay/polymer nanocomposites (CPN) was performed to improve the gas barrier performance of the final materials and achieve ...
Electrospun Oxygen Scavenging Films of Poly(3-hydroxybutyrate) Containing Palladium Nanoparticles for Active Packaging Applications

Cherpinski, Adriane; Gozutok, Melike; Turkoglu Sasmazel, Hilal; Torres-Giner, Sergio; Lagaron, Jose M. (MDPI AG, 2018-07)

[EN] This paper reports on the development and characterization of oxygen scavenging films made of poly(3-hydroxybutyrate) (PHB) containing palladium nanoparticles (PdNPs) prepared by electrospinning followed by annealing ...
Melt grafting of sepiolite nanoclay onto poly(3-hydroxybutyrate-co-4-hydroxybutyrate) by reactive extrusion with multi-functional epoxy-based styrene-acrylic oligomer

Torres Giner, Sergio; Montañés Muñoz, Néstor; Boronat Vitoria, Teodomiro; Quiles Carrillo, Luis Jesús; Balart Gimeno, Rafael Antonio (Elsevier, 2016-11)

[EN] This paper deals with grafting of sepiolite nanoclay onto poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3HB-co-4HB)) biopolymer by melt compounding. Reactive extrusion was performed in a twin-screw extruder in the ...
Oxygen-Scavenging Multilayered Biopapers Containing Palladium Nanoparticles Obtained by the Electrospinning Coating Technique

Cherpinski, Adriane; Szewczyk, Piotr K.; Gruszczynski, Adam; Stachewicz, Urszula; Lagaron, Jose M. (MDPI AG, 2019-02)

[EN] The main goal of this study was to obtain, for the first time, highly efficient water barrier and oxygen-scavenging multilayered electrospun biopaper coatings of biodegradable polymers over conventional cellulose ...
Post-processing optimization of electrospun submicron poly(3-hydroxybutyrate) fibers to obtain continuous films of interest in food packaging applications

Cherpinski, Adriane; Torres-Giner, Sergio; Cabedo, Luis; Lagaron. Jose M. (Taylor & Francis, 2017)

[EN] Polyhydroxyalkanoates (PHAs) are one of the most researched family of biodegradable polymers based on renewable materials due to their thermoplastic nature and moisture resistance. The present study was targeted to ...
Preparation and characterization of compression-molded green composite sheets made of poly(3-hydroxybutyrate) reinforced with long pita fibers

Torres-Giner, Sergio; Montanes, Nestor; Fombuena, Vicent; Boronat, Teodomiro; Sanchez-Nacher, Lourdes (John Wiley & Sons, 2016)

[EN] Novel green composites were successfully prepared from bacterial poly(3-hydroxybutyrate) (PHB) and pita fibers derived from the agave plant (Agave americana). Various weight contents (10, 20, 30, and 40 wt.-%) of pita ...
Procesado y caracterización de formulaciones industriales de poliésteres alifáticos mediante tecnologías de inyección y fabricación aditiva

Ivorra Martínez, Juan (Universitat Politècnica de València, 2023-03-31)

[ES] El principal objetivo de la presente tesis doctoral se centra en la obtención de poliésteres alifáticos con propiedades mejoradas para su empleo en procesos industriales aplicando técnicas de fabricación específicas ...
Propiedades mecánicas de films de almidón. efecto de la adición de plastificantes

Requena Peris, Raquel (Universitat Politècnica de València, 2015-11-18)

[ES] Se elaboraron films comestibles utilizando almidón de maíz y plastificantes (glicerol y polietilenglicol) en diferentes proporciones, mediante moldeado por compresión. Se caracterizaron las propiedades mecánicas de ...
The effect of pH on polyhydroxyalkanoate accumulation in activated sludge under cellulose, hemicellulose and lignin feed: hydrolysis stage

Ballester Valls, Raúl (Universitat Politècnica de València, 2020-10-20)

[ES] La tesis presente, forma parte de un proyecto más grande, el principal objetivo del cual es promover la economía circular de base biológica mediante el desarrollo de soluciones de bajo carbono y nuevos negocios ...
Uso de nuevos materiales antimicrobianos sostenibles para envasado alimentario

Martínez Ferrer, María (Universitat Politècnica de València, 2022-09-07)

[ES] Los envases activos abren las puertas a nuevas formas de conservación, más especializadas y adaptadas a los productos, como también, una ventana a la mejora de la sostenibilidad. Mediante la adición de agentes activos ...