Browsing by Author "Méndez González, José Alberto"
Now showing items 1-11 of 11
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A comprehensive study on the effect of plasticizers on the characteristics of Polymer Inclusion Membranes (PIMs): exploring butyl stearate as a promising alternative
Alcalde, Berta; Elias, Gemma; Kolev, Spas D; Méndez González, José Alberto; Díez, Sergi; Oliver Ortega, Helena; Anticó, Enriqueta; Fontàs, Clàudia (Multidisciplinary Digital Publishing Institute (MDPI), 2024-01-09)
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Open AccessThis study investigated the influence of various plasticizers commonly used in the manufacture of polymer inclusion membranes (PIMs), such as 2-nitrophenyl octyl ether (NPOE), phthalates, adipates, and sebacates on the ... -
Determination of mean intrinsic flexural strength and coupling factor of natural fiber reinforcement in polylactic acid biocomposites
Tarrés Farrés, Joaquim Agustí; Oliver Ortega, Helena; Espinach, Francesc Xavier; Mutjé Pujol, Pere; Delgado-Aguilar, Marc; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-23)
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Open AccessThis paper is focused on the flexural properties of bleached kraft softwood fibers, bio-based, biodegradable, and a globally available reinforcement commonly used in papermaking, of reinforced polylactic acid (PLA) composites. ... -
Effect of extruder type in the interface of PLA layers in FDM printers: filament extruder versus direct pellet extruder
Pagés-Llobet, Antoni; Espinach, Francesc Xavier; Julian, Fernando; Oliver Ortega, Helena; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2023-04-24)
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Open AccessFDM (Fused Deposition Modeling) is one of the most used and industrially applied additive manufacturing processes due to its fast prototyping and manufacturing, simplicity, and low cost of the equipment. However, the ... -
Impact strength and water uptake behavior of bleached kraft softwood-reinforced PLA composites as alternative to PP-based materials
Oliver Ortega, Helena; Tarrés Farrés, Joaquim Agustí; Mutjé Pujol, Pere; Delgado-Aguilar, Marc; Méndez González, José Alberto; Espinach, Francesc Xavier (Multidisciplinary Digital Publishing Institute (MDPI), 2020-09-20)
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Open AccessThe research toward environmentally friendly materials has devoted a great effort on composites based on natural fiber-reinforced biopolymers. These materials have shown noticeable mechanical properties, mainly tensile and ... -
Improved process to obtain nanofibrillated cellulose (CNF) reinforced starch films with upgraded mechanical properties and barrier character
Granda, Luis Angel; Oliver Ortega, Helena; Fabra, Maria José; Tarrés Farrés, Joaquim Agustí; Pèlach Serra, Maria Àngels; Lagarón Cabello, José María; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-07)
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Open AccessNowadays, the interest on nanofibrillated cellulose (CNF) has increased owing to its sustainability and its capacity to improve mechanical and barrier properties of polymeric films. Moreover, this filler shows some drawbacks ... -
Life cycle assessment of PE and PP multi film compared with PLA and PLA reinforced with nanoclays film
Bala, Alba; Arfelis Espinosa, Sergi; Oliver Ortega, Helena; Méndez González, José Alberto (Elsevier, 2022-12-20)
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Open AccessPlastic has become essential for our economy and the packaging industry. However, plastic use is linked to environmental problems such as waste generation and loss of resources, since only 42% of the plastic used for ... -
Maleic anhydride polylactic acid coupling agent prepared from solvent reaction: synthesis, characterization and composite performance
Oliver Ortega, Helena; Reixach, Rafel; Espinach, Francesc Xavier; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-02)
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Open AccessIn the present work, a functionalization of polylactic acid (PLA) has been carried out to anchor maleic anhydride onto the main polymer chain to promote improvement in the compatibility of this polymer matrix with cellulose ... -
Nanoclay effect into the biodegradation and processability of poly(lactic acid) nanocomposites for food packaging
Oliver Ortega, Helena; Vandermoortele, Victor; Bala, Alba; Julian, Fernando; Méndez González, José Alberto; Espinach, Francesc Xavier (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-16)
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Open AccessOne of the most promising expectations in the design of new materials for food packaging is focused on the development of biodegradable systems with improved barrier character. In this sense PLA reinforced with nanoclay ... -
Nanocomposites materials of PLA reinforced with nanoclays using a masterbatch technology: a study of the mechanical performance and its sustainability
Oliver Ortega, Helena; Tresserras, Josep; Julian, Fernando; Alcalà, Manel; Bala, Alba; Espinach, Francesc Xavier; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-29)
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Open AccessPackaging consumes around 40% of the total plastic production. One of the most important fields with high requirements is food packaging. Food packaging products have been commonly produced with petrol polymers, but due ... -
Polyhydroxy-3-Butyrate (PHB)-based composite materials reinforced with cellulosic fibers, obtained from barley waste straw, to produce pieces for agriculture applications: production, characterization and scale-up analysis
Oliver Ortega, Helena; Evon, Philippe; Espinach, Francesc Xavier; Raynaud, Christine; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2024-04-19)
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Open AccessCellulosic fibers obtained from Barley straw were utilized to reinforce PHB. Four different processed fibers were employed as reinforcing material: sawdust (SW), defibered (DFBF), delignified (DBF), and bleached (BBF) ... -
Simulated environmental conditioning of PHB composites reinforced with barley fibres to determine the viability of their use as plastics for the agriculture sector
Oliver Ortega, Helena; Julian, Fernando; Espinach, Francesc Xavier; Méndez González, José Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-22)
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Open AccessNowadays, the search for new materials with a sustainable character to reduce the production of residues is under continuous research. In this sense, fully biodegradable composites based on polyhydroxybutyrate and different ...