Exploració per autor "Santana Pérez, Orlando Onofre"
Ara es mostren els items 23-42 de 83
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Effect of the strain rate and drawing temperature on the mechanical behavior of EVOH and EVOH composites
Franco Urquiza, Edgar Adrian; Gamez Pérez, José; Velázquez Infante, Julio Cesar; Santana Pérez, Orlando Onofre; Martínez Benasat, Antonio; Maspoch Rulduà, M. Lluïsa (2012-02-27)
Article
Accés restringit per política de l'editorialThe effect of the strain rate and draw temperature on the mechanical behavior of ethylene vinyl alcohol (EVOH) and EVOH composites was analyzed. When EVOH is stretched at moderate strain rates, evidence of strain-induced ... -
Effect of the thermoforming process variables on the sheet friction coefficient
Morales, Rosa Amalia; Candal Pazos, Maria Virginia; Santana Pérez, Orlando Onofre; Gordillo Aubert, Antonio; Salazar, Rubén (2014-01)
Article
Accés obertThe objective of this work was to obtain, through a simple experimental assembly, the real influence of the friction and process conditions in the assisted thermoforming process. The use of simulation tools to optimize ... -
Effect of the unidirectional drawing on the thermal and mechanical properties of PLA films with different L -isomer content
Velázquez Infante, Julio Cesar; Gamez Pérez, José; Franco Urquiza, Edgar Adrian; Santana Pérez, Orlando Onofre; Carrasco, F; Maspoch Rulduà, M. Lluïsa (2013-02-15)
Article
Accés restringit per política de l'editorialThis work simulates the thermoforming process of two different L-isomer content PLA grades (95.6 and 98%), studying the influence on the induced morphology and the variation in the thermal and tensile properties. The ... -
Effect of the viscosity ratio on the PLA/PA10.10 bioblends morphology and mechanical properties
Cailloux, Jonathan; Abt, Tobias Martin; García Masabet, Violeta del Valle; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, M. Lluïsa (2018-01-30)
Article
Accés obertPLA bio-blends with a predominantly biosourced PA10.10 in the composition range 10-50wt.% were prepared by melt blending in order to overcome the advanced brittleness of PLA. Due to the inherent immiscibility of the blends, ... -
Enhanced general analytical equation for the kinetics of the thermal degradation of poly(lactic acid) driven by random scission
Carrasco Alonso, Félix Ángel; Perez Maqueda, L.A.; Sanchez Jimenez, P.E.; Perejón, A.; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2013-08)
Article
Accés restringit per política de l'editorialAn enhanced general analytical equation has been developed in order to evaluate the kinetic parameters of the thermal degradation of poly(lactic acid) (PLA) at various linear heating rates and at constant rate conditions. ... -
Enhanced general analytical equation for the kinetics of the thermal degradation of poly(lactic acid)/montmorillonite nanocomposites driven by random scission
Carrasco Alonso, Félix Ángel; Perez Maqueda, L.A.; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2014-03)
Article
Accés restringit per política de l'editorialAn enhanced general analytical equation has been developed in order to evaluate the kinetic parameters of the thermal degradation of nanocomposites, composed of poly(lactic acid) (PLA) and organo-modified montmorillonite ... -
Essential work of fracture of poly(lactic acid) modified by reactive extrusion
Santana Pérez, Orlando Onofre; Cailloux, Jonathan; Franco-Urquiza, Edgar; Illescas Fernandez, Silvia; Bou Serra, Jordi; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, M. Lluïsa (2012)
Text en actes de congrés
Accés obertEn este trabajo se han evluado las variaciones en el comportamiento mecánico y a fractura de láminas de 1 mm de espesor de dos grados de P LA con contenidos diferentes de enantiómero D (2 y 4.5 % mol), procesadas mediante ... -
ESTRUCTURA I CARACTERITZACIÓ DELS MATERIALS (3r quadrimestre)
Santana Pérez, Orlando Onofre; Manero Planella, José María; Pegueroles Neyra, Marta (Universitat Politècnica de Catalunya, 2014-06-30)
Examen
Accés restringit a la comunitat UPC -
Evaluation of the mechanical properties of Poly(Lactic) Acid/ABS Bio-Blend foams
Sánchez Soto, Miguel; Kamrani Moghadam, Mohammad Reza; Maspoch Rulduà, M. Lluïsa; Santana Pérez, Orlando Onofre; Cailloux, Jonathan (Springer, 2020-05-30)
Capítol de llibre
Accés restringit per política de l'editorialFoaming is a powerful method that allows lightening of products and reducing the amount of material used. Poly(lactic) acid (PLA) is considered a promising thermoplastic for the replacement of traditional non-biodegradable ... -
Extruded-calendered sheets of fully recycled pp/opaque pet blends: Mechanical and fracture behaviour
Loaeza Becerril, Alfonso David; Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa (Multidisciplinary Digital Publishing Institute (MDPI), 2021-07-02)
Article
Accés obertThis work presents the experimental results of the mechanical and fracture behaviour of three polymeric blends prepared from two recycled plastics, namely polypropylene and opaque poly (ethylene terephthalate), where the ... -
Fractura de láminas extruidas a partir de PET opaco reciclado
Santana Pérez, Orlando Onofre; Loaeza Becerril, Alfonso David; Cailloux, Jonathan; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa (2018)
Text en actes de congrés
Accés restringit per política de l'editorialEl presente trabajo se engloba dentro de las acciones prevista en el proyecto “Revalorización de PET opaco reciclado en materiales innovadores (RevalPET)” financiado por los fondos FEDER a través del programa INTERREG V ... -
Fractura de mezclas de policarbonato con acrilonitrilo-butadieno-estireno
Santana Pérez, Orlando Onofre (Universitat Politècnica de Catalunya, 1997-05-22)
Tesi
Accés obert -
Fractura postcedencia de polímeros
Maspoch Rulduà, M. Lluïsa; Franco Urquiza, Edgar Adrian; Santana Pérez, Orlando Onofre; Gamez Pérez, José; Sánchez Soto, Miguel; Velasco Perero, José Ignacio; Martínez Benasat, Antonio (2011)
Text en actes de congrés
Accés obert -
Fracture behavior of quenched poly(lactic acid)
Gamez Pérez, José; Velázquez Infante, Julio César; Franco Urquiza, Edgar Adrian; Pagès Figueras, Pere; Carrasco, F; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2011-01)
Article
Accés restringit per política de l'editorialThe effect of a quenching treatment applied on heated cast sheet extruded films of two poly(lactic acid) (PLA) commercial grades, with different optical purities, was studied. The thermal and mechanical properties of the ... -
Fracture behaviour of de-aged poly(lactic acid) assessed by essential work of fracture and J-Integral methods
Santana Pérez, Orlando Onofre; Rodríguez, C.; Belzunce, J.; Gamez Pérez, José; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, M. Lluïsa (2010-12)
Article
Accés restringit per política de l'editorialThe applicability of the essential work of fracture (EWF) in SENB geometry as an alternative to the J-integral methodology has been assessed. An amorphous poly(lactic acid) (PLA) with ductile behaviour promoted by a de-ageing ... -
Fracture behaviour of poly[ethylene–(vinyl alcohol)]/organo-clay composites
Maspoch Rulduà, M. Lluïsa; Franco Urquiza, Edgar Adrian; Gamez Pérez, José; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel (2009-04-14)
Article
Accés restringit per política de l'editorialBACKGROUND: Ethylene–(vinyl alcohol) (EVOH) copolymer/organo-modified montmorillonite (OMMT) composites were investigated. Composites with two different percentages by weight of OMMT were prepared using a melt-extrusion ... -
Halogen-free flame retardant polyolefin foams
Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Santana Pérez, Orlando Onofre; Velasco Perero, José Ignacio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe present work deals with the preparation and characterizacion of an improved fire-resistant ethylene-acrylate foamed material containing calcium carbonate and a silicon elastomer. This grade, usually employed on the ... -
Impact behavior of PLA/PCL bioblends
León Albiter, Noel; Abt, Tobias Martin; Hortos Llobera, Martí; Espino, Sebastian; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2020)
Text en actes de congrés
Accés obertThe effect of adding polycaprolactone (PCL) on the impact behavior of poly(lactic acid) (PLA) has been evaluated. Bioblends (with and without compatibilizer) were prepared in a pilot plant (twin screw extrusion, 5kg/h) ... -
Impact of titanium dioxide in the mechanical recycling of post-consumer polyethylene terephthalate bottle waste: tensile and fracture behavior
Loaeza Becerril, Alfonso David; Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-19)
Article
Accés obertThis work provides an experimental analysis regarding the fracture behavior of recycled opaque PET (rPET-O) containing titanium dioxide (TiO2) under plane stress conditions. For this purpose, a commercially post-consumer ... -
Implications of the circular economy in the context of plastic recycling: the case study of opaque PET
León Albiter, Noel; Santana Pérez, Orlando Onofre; Klotz, Magali; Ganesan, Kishore; Carrasco, Félix; Dagréou, Sylvie; Maspoch Rulduà, M. Lluïsa; Valderrama Ángel, César Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-01)
Article
Accés obertThe use of recycled opaque PET (r-O-PET, with TiO2) as a reinforcement for the recycled polypropylene matrix (r-PP) was evaluated through the life cycle assessment according to different scenarios corresponding to two ...