Listar por autoría "0bd4fa81-84df-463d-94d3-e315dc2144ae"
Mostrando ítems 21-37 de 37
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Mejora de las propiedades mecánicas y compatibilidad de mezclas de PHBV/PLA con plastificantes comerciales de origen bio
González Ausejo, Jennifer; Boronat, T.; Gamez-Perez, Jose; Cabedo, Luis; García García, D. Compobell (2015-07-14)Mezclas de poli (3-hidroxibutirato-co-3-hidroxivalerato) (PHBV) y ácido poliláctico (PLA) se prepararon con un plastificante comercial funcionalizado de origen bio. La morfología obtenida, así como las propiedades mecánicas ... -
La metodología de aprendizaje basado en proyectos (ABP) aplicada a asignaturas de ciencia de los materiales en ingeniería en la red IdM@ti
Cabedo, Luis; Gamez-Perez, Jose; Segarra, Mercè; López Crespo, Pablo; Izquierdo Escrig, Raul; Royo González, Marta; Moliner Miravet, Lidón; Guraya, Teresa Sociedad Española de Materiales SOCIEMAT (2017)En este trabajo se va a presentar una experiencia docente llevada a cabo de forma coordinada entre profesorado de la red de innovación docente en ciencia de materiales IdM@ti. Se trata por tanto de una experiencia ... -
Modification of Nafion Membranes with Polyaniline to Reduce Methanol Permeability
González Ausejo, Jennifer; Cabedo, Luis; Gamez-Perez, Jose; Mollá, S.; Giménez Torres, Enrique; Compañ, Vicente Electrochemical Society (2015)The modification of Nafion membranes with polyaniline (PAni) has been studied as an alternative for reducing methanol crossover in direct methanol fuel cells (DMFC). The modification has been performed by directly polymerizing ... -
On the use of tris(nonylphenyl) phosphite as a chain extender in melt-blended poly(hydroxybutyrate-co-hydroxyvalerate)/clay nanocomposites: Morphology, thermal stability, and mechanical properties
González Ausejo, Jennifer; Sánchez-Safont, Estefanía; Gamez-Perez, Jose; Cabedo, Luis © 2015 Wiley Periodicals, Inc. (2015-06)The influence of the incorporation of tris(nonylphenyl) phosphite (TNPP) as a chain extender on the morphology and thermal stability of poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV)/clay nanocomposites obtained by melt ... -
PHBV/TPU/cellulose compounds for compostable injection molded parts with improved thermal and mechanical performance
Sánchez-Safont, Estefanía; Arrillaga, Alex; Anakabe, Jon; Gamez-Perez, Jose; Cabedo, Luis Wiley (2018-11)Poly(hydroxybutyrate-co-valerate) (PHBV) is a biopolymer that has gained a lot of attention because of its biodegradability, good thermal resistance, and balanced mechanical properties with respect to some commodity ... -
Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate)/ Purifi ed Cellulose Fiber Composites by Melt Blending: Characterization and Degradation in Composting Conditions
Sánchez-Safont, Estefanía; González Ausejo, Jennifer; Gamez-Perez, Jose; Lagarón, José María; Cabedo, Luis Tech Science Press (2016)Novel biodegradable composites based on poly(3-hydroxybutirate-co-3-hydroxyvalerate) (PHBV) and different contents of purifi ed alpha-cellulose fi bers (3, 10, 25 and 45%) were prepared by melt blending and characterized. ... -
Procesado del ácido poliláctico (PLA) y de nanocompuestos PLA/montmorillonita en planta piloto: Estudio de sus cambios estructurales y de su estabilidad térmica
Pagès, Pere; Carrasco, Félix; Gamez-Perez, Jose; Santana Pérez, Orlando Onofre; Maspoch, Maria Lluïsa Asociación de Químicos e Ingenieros del Instituto Químico de Sarrià (2010)Se aplican procesos de transformación y tratamiento de termoplásticos (inyección, extrusión-inyección y recocido) al ácido poliláctico (PLA) y a determinados nanocompues- tos PLA/montmorillonita, con objeto de estudiar las ... -
Processing of poly(lactic acid)/organomontmorillonite nanocomposites: microstructure, thermal stability and kinetics of the thermal decomposition
Carrasco, Félix; Gamez-Perez, Jose; Santana Pérez, Orlando Onofre; Maspoch, Maria Lluïsa Elsevier (2011-12-15)The degradation during the melt processing of poly(lactic acid) (PLA) and its nanocomposites with different contents (0.5 and 2.5%) of an organomodified montmorillonite (OMMT) promoted physical and chemical changes in their ... -
Role of Plasticizers on PHB/bio-TPE Blends Compatibilized by Reactive Extrusion
Samaniego Aguilar, Kerly; Matos Mendez; Sánchez-Safont, Estefanía; Candal, Maria; LAGARON, Jose; Cabedo, Luis; Gamez-Perez, Jose MDPI (2022-02-07)Poly(hydroxybutyrate) (PHB) is a biopolymer biologically synthesized by controlled bac- terial fermentation from a wide variety of microorganisms. PHB is proposed as a potential green alternative to commonly used plastics ... -
Sheets of branched poly(lactic acid) obtained by one step reactive extrusion calendering process: Melt rheology analysis
Cailloux, J.; Santana Pérez, Orlando Onofre; Franco Urquiza, Edgar A.; Bou, J. J.; Carrasco, Félix; Gamez-Perez, Jose; Maspoch, Maria Lluïsa Budapest University of Technology and Economics Department of Polymer Engineering (2013)One-step reactive extrusion-calendering process (REX-Calendering) was used in order to obtain sheets of 1mm from two PD,L-LA extrusion grades modified with a styrene-acrylic multifunctional oligomeric agent. In a preliminary ... -
Study of the Compatibilization Effect of Different Reactive Agents in PHB/Natural Fiber-Based Composites
Sánchez-Safont, Estefanía; Aldureid, Abdulaziz; Lagarón, José María; Cabedo, Luis; Gamez-Perez, Jose MDPI (2020)Fiber–matrix interfacial adhesion is one of the key factors governing the final properties of natural fiber-based polymer composites. In this work, four extrusion reactive agents were tested as potential compatibilizers ... -
The Essential Work of Fracture (EWF) method – Analyzing the Post-Yielding Fracture Mechanics of polymers
Martínez, A. B.; Gamez-Perez, Jose; Sánchez Soto, Miguel; Velasco, José Ignacio; Santana Pérez, Orlando Onofre; Maspoch, Maria Lluïsa Elsevier (2009-12)The Post-Yielding Fracture Mechanics describe the fracture behaviour of pre-cracked films and thin sheets that show yielding phenomenon at the crack tip during fracture. The Essential Work of Fracture method (EWF) has been ... -
Toca-Toca: ejemplos sencillos para conceptos complejos en asignaturas de ciencia y tecnología de materiales
Gamez-Perez, Jose; Salán, M Nuria Sociedad Española de Materiales SOCIEMAT (2017)En las asignaturas de tipo “Fundamentos de Ciencia de los Materiales” es habitual encontrar que la propuesta de temario es muy extensa y que en ella se introducen un gran número de conceptos, que van desde las bases ... -
Toughness Enhancement of Commercial Poly (Hydroxybutyrate-co-Valerate) (PHBV) by Blending with a Thermoplastic Polyurethane (TPU)
González Ausejo, Jennifer; Sánchez-Safont, Estefanía; Cabedo, Luis; Gamez-Perez, Jose World Scientific Publishing Co Pte Ltd (2016)Poly(hydroxyl butyrate-co-valerate) (PHBV) is a biopolymer synthesized by microorganisms that is fully biodegradable with improved thermal and tensile properties with respect to some commodity plastics. However, it presents ... -
Toughness Enhancement of PHBV/TPU/Cellulose Compounds with Reactive Additives for Compostable Injected Parts in Industrial Applications
Sánchez-Safont, Estefanía; Arrillaga, Alex; Anakabe, Jon; Cabedo, Luis; Gamez-Perez, Jose MDPI (2018-07)Poly(3-hydroxybutyrate-co-3-valerate), PHBV, is a bacterial thermoplastic biopolyester that possesses interesting thermal and mechanical properties. As it is fully biodegradable, it could be an alternative to the use of ... -
Valorization of agricultural waste lignocellulosic fibers for poly(3-hydroxybutyrate-co-valerate)-based composites in short shelf-life applications
Samaniego Aguilar, Kerly; Sánchez-Safont, Estefanía; Rodríguez, Andreina; Marín, Anna; Candal, Maria; Cabedo, Luis; Gamez-Perez, Jose MDPI (2023-11-23)Biocircularity could play a key role in the circular economy, particularly in applications where organic recycling (composting) has the potential to become a preferred waste management option, such as food packaging. The ... -
Void Content Minimization in Vacuum Infusion (VI) via Effective Degassing
Juan, Jaime; Silva, Arlindo; Tornero, José Antonio; Gamez-Perez, Jose; Salán, M Nuria Multidisciplinary Digital Publishing Institute (2021-09-01)This paper addresses the major concern which component porosity represents in Vacuum Infusion (VI) manufacturing due to resin gelation at pressures close to absolute vacuum. Degassing is a fundamental step to minimize ...