Exploració per autor "Velasco Perero, José Ignacio"
Ara es mostren els items 6-25 de 148
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Application of layered nanoparticles in the micromechanical reinforcement and flame retardancy of polymer foams
Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Studium Press LLC, 2013)
Capítol de llibre
Accés restringit per política de l'editorialA great deal of attention has been given in the last years to the study of the influence of incorporating nanosized particles and particularly nanoparticles with a flat-like morphology such as nanoclays or layered double ... -
Application of the Box–Behnken experimental design for the extraction of phenolic compounds from araçá-roxo (Psidium myrtoides)
Martins de Freitas, Thainá Stéphanie; de Menezes Rodrigues, Giovanna; Matta Fakhouri, Farayde; da Silva, Camila; Lima Cardoso, Claudia Andréa; Velasco Perero, José Ignacio; Tostes Filgueiras, Cristina; dos Santos Garcia, Vitor Augusto (John Wiley & sons, 2021-01-09)
Article
Accés obertThe purpose of this study was to investigate the bioactive compounds of araçá-roxo by applying the Box–Behnken experimental design to evaluate the effect of temperature, time, and ethanol concentration on the extraction ... -
Assessment of the conditions of the thermoplastic extrusion process in the bioactive and mechanical properties of flexible films based on starch and Brazilian pepper
Matta Fakhouri, Farayde; Freitas de Lima, F.; Cardoso, Claudia; Martelli, Silvia; Antunes, Marcelo de Sousa Pais; Mei, Lucia Helena Innocentini; Yamashita, Fábio; Velasco Perero, José Ignacio (2018)
Comunicació de congrés
Accés obertThe objective of this work was to produce, through the thermoplastic extrusion process followed by blowing, manioc starch-based flexible films added with Brazilian pepper oil as an antioxidant and plasticizer agent, and ... -
Bioactive edible films based on arrowroot starch incorporated with cranberry powder: microstructure, thermal properties, ascorbic acid content and sensory analysis
Matta Fakhouri, Farayde; Ferreira Nogueira, Gislaine; Oliveira, Rafael Augustus de; Velasco Perero, José Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-11)
Article
Accés obertThe growing global awareness about environmental preservation has stimulated the search for alternatives to replace conventional plastics made from fossil sources. One of the advantages is using polymers from renewable ... -
Bioactive films based on starch from white, red, and black rice to food application
Silva, Luan Ramos da; Velasco Perero, José Ignacio; Matta Fakhouri, Farayde (Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-21)
Article
Accés obertPackages from renewable sources have been the focus of many studies, due to the consumer needs for high-quality food, environmental concern related to the inadequate discard of packaging, low percentage of packaging ... -
Broad-band electrical conductivity of carbon nanofibre-reinforced polypropylene foams
Antunes, Marcelo de Sousa Pais; Mudarra López, Miguel; Velasco Perero, José Ignacio (2011)
Article
Accés restringit per política de l'editorialThe influence of foaming a semi-crystalline polymer reinforced with different concentrations of carbon nanofibres (0–20 wt.%) on the formation of an electrically conductive network was studied at room temperature using an ... -
Caracterización mecánica de espumas rígidas multifuncionales de poliuretano
Antunes, Marcelo de Sousa Pais; Cano, Álvaro; Redondo Realinho, Vera Cristina de; Arencón Osuna, David; Velasco Perero, José Ignacio (2011)
Text en actes de congrés
Accés obertEn el presente trabajo se prepararon y caracterizaron espumas de poliuretano con refuerzo multi-escalar combinando concentraciones variables de arcilla organofílica (montmorillonita) y de lana de esparto, con el propósito ... -
Caracterización mecánica, térmica y a fuego de aerogeles arcilla/polímero modificados con partículas
Sánchez Soto, Miguel; Wang, Liang; Martínez Benasat, Antonio; Velasco Perero, José Ignacio; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2013)
Text en actes de congrés
Accés obertLos aerogeles son una clase de materiales que se caracteriza por su extrema ligereza y alto contenido de aire. En este trabajo se han preparado diferentes aerogeles polímero/arcilla (PVOH/Na+-MMT) mediante un proceso simple ... -
Characterization of flame retardant polypropylene-magnesium hydroxide composite foams
Antunes, Marcelo de Sousa Pais; Haurie Ibarra, Laia; Velasco Perero, José Ignacio (2009)
Comunicació de congrés
Accés restringit per política de l'editorialMagnesium hydroxide filled polypropylene foams have been prepared in order to analyze the foaming effects on the microstructure, flame and thermo-mechanical beaviour of the polypropylene composites. Several load percentages ... -
Characterization of highly filled magnesium hydroxide-polypropylene composite foams
Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio; Haurie Ibarra, Laia (2011)
Article
Accés restringit per política de l'editorialMagnesium hydroxide—filled polypropylene foams were prepared by a compression-molding chemical foaming process and studied considering the effects of foaming and the presence of the particles on the microstructure (cellular ... -
Characterization of poly(ethylene-co-vinyl acetate) (EVA) filled with low grade magnesium hydroxide
Fernández Renna, Ana Inés; Haurie Ibarra, Laia; Formosa Mitjans, Joan; Chimenos Ribera, Josep Maria; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2008)
Article
Accés restringit per política de l'editorialLow-grade magnesium hydroxide (LG-MH) is a solid by-product that undergoes an endothermic decomposition in the temperature range of 300–750 C. Due to its thermal behaviour and its lower cost relative to pure Mg(OH)2, ... -
Characterization of polycarbonate foam structures prepared by one-step SC-CO2 dissolution process
Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (2012)
Comunicació de congrés
Accés obertIn this communication polycarbonate foams were prepared by a supercritical CO2 dissolution one-step batch foaming process. Firstly, CO2 diffusion behavior in polycarbonate was studied by means of desorption experiments. ... -
Characterization of rigid polypropylene-based microcellular foams produced by batch foaming processes
Velasco Perero, José Ignacio; Antunes, Marcelo de Sousa Pais; Redondo Realinho, Vera Cristina de; Ardanuy Raso, Mònica (2011)
Article
Accés restringit per política de l'editorialThe properties of polypropylene (PP) foams can be extended by controlling the cellular structure and adding functional fillers. PP-based microcellular foams having an interesting combination of mechanical and transport ... -
CIÈNCIA I TECNOLOGIA DELS MATERIALS (2n quadrimestre, 1r parcial)
Velasco Perero, José Ignacio (Universitat Politècnica de Catalunya, 2011-04-05)
Examen
Accés restringit a la comunitat UPC -
CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 1r quadrimestre, 1r parcial)
Velasco Perero, José Ignacio (Universitat Politècnica de Catalunya, 2011-11-03)
Examen
Accés restringit a la comunitat UPC -
CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 2n quadrimestre, 2n parcial)
Velasco Perero, José Ignacio (Universitat Politècnica de Catalunya, 2011-06-17)
Examen
Accés restringit a la comunitat UPC -
Coatings based on pea starch to improve conservation of strawberries
Matta Fakhouri, Farayde; Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2019)
Comunicació de congrés
Accés restringit per política de l'editorialThe aim of this study was to elaborate different coating based on pea starch and evaluate its efficiency on strawberry shelf life stored at 7 and 25ºC -
Comportamiento a fractura de dos grados comerciales PLA: influencia de la estructura cristalina
Gamez Pérez, José; Velázquez Infante, Julio Cesar; Franco Urquiza, Edgar Adrian; Velasco Perero, José Ignacio; Maspoch Rulduà, M. Lluïsa (2010)
Text en actes de congrés
Accés restringit per política de l'editorialEn este trabajo se ha estudiado el efecto de un tratamiento de rejuvenecimiento aplicado a láminas obtenidas por extrusión-calandra a partir de dos grados comerciales de PLA, con diferentes purezas ópticas. Se han evaluado ... -
COMPORTAMIENTO A FRACTURA DE FILMS DE NANOCOMPUESTOS DE UN COPOLÍMERO EVOH
Maspoch Rulduà, M. Lluïsa; Franco Urquiza, Edgar Adrian; Boggio, M; Boitel, H; Velasco Perero, José Ignacio; Santana Pérez, Orlando Onofre (2006)
Text en actes de congrés
Accés restringit per política de l'editorialSe analizó el comportamiento a fractura de films de nanocompuestos de un copolímero EVOH con diferentes porcentajes en peso de dos tipos de arcillas montmorillonitas. Los nanocompuestos fueron obtenidos a través de ... -
Comportamiento a fractura de láminas de espuma de polipropileno producidas mediante dos métodos diferentes de espumación
Arencón Osuna, David; Antunes, Marcelo de Sousa Pais; Martínez Benasat, Antonio; Velasco Perero, José Ignacio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialDos tipos de espumas flexibles de baja densidad . basadas en polipropileno y producidas por dos métodos diferentes de espumación (espumación física y espumación química) .se han caracterizado utilizando el concepto del ...