Exploració per autor "Velasco Perero, José Ignacio"
Ara es mostren els items 15-34 de 148
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Characterization of highly filled magnesium hydroxide-polypropylene composite foams
(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
(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
(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
(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)
(Universitat Politècnica de Catalunya, 2011-04-05)
Examen
Accés restringit a la comunitat UPC -
CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 1r quadrimestre, 1r parcial)
(Universitat Politècnica de Catalunya, 2011-11-03)
Examen
Accés restringit a la comunitat UPC -
CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 2n quadrimestre, 2n parcial)
(Universitat Politècnica de Catalunya, 2011-06-17)
Examen
Accés restringit a la comunitat UPC -
Coatings based on pea starch to improve conservation of strawberries
(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
(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
(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
(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 ... -
Comportamiento mecánico dinámico de espumas de policarbonato
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialSe caracterizan por DMTA espumas de policarbonato (PC) y de policarbonato con nanopartículas de grafeno, producidas mediante dos procesos diferentes de disolución de CO2 supercrítico con posterior expansión en una o en dos ... -
Composite and biocomposite foams based on polypropylene with reinforcements and functional fillers prepared by supercritical CO2 dissolution
(2011)
Text en actes de congrés
Accés restringit per política de l'editorialOne of the actual trends in polymer foams consists in the development of new materials by combining density reduction through foaming with the incorporation of functional fillers. This would enable to obtain materials with ... -
Compression properties and cellular structure of polyurethane composite foams combining nanoclay and different reinforcements
(2014-11)
Article
Accés obertIn the present work we prepared and characterized several polyurethane (PU) composite foams by combining variable concentrations of nanoclay (montmorillonite, MMT) with metal wires or low cost cellulosic-based reinforcements, ... -
Corn starch and gelatin-based films added with guabiroba pulp for application in food packaging
(Elsevier Ltd, 2019-03-01)
Article
Accés obertThe guabiroba pulp (GP) has natural antioxidant compounds, such as phenolic compounds and ascorbic acid. The aim of this work was to produce an active biodegradable film based on blends of gelatin (GEL) and corn starch ... -
Diseño y caracterización de mezclas EVA/plastómero para su empleo en compuestos de aislamiento acústico
(2010-06-23)
Comunicació de congrés
Accés restringit per política de l'editorialEn el desarrollo de materiales aislantes acústicos para sectores como la automoción, se utilizan habitualmente compuestos poliméricos con un contenido en cargas inorgánicas superior al 70% en peso. Este hecho obliga a ... -
Effect of an ionomer on the mechanical performance of flame retardant ABS formulations
(2018)
Text en actes de congrés
Accés obertAcrylonitrile butadiene styrene (ABS) is a widely used thermoplastic copolymer due to its desirable properties such as good mechanical performance (toughness, impact resistance, among others), ease of processability, ... -
Effect of the recycling and annealing on the mechanical and fracture properties of poly(lactic acid)
(2010-12)
Article
Accés restringit per política de l'editorialThe aim of this work is to evaluate the use of Poly(lactic acid)(PLA) industrial waste as a source of raw material for certain applications, as well to understand the effects of the annealing on the fracture behaviour of ... -
Effects of a phosphorus flame retardant system on the mechanical and fire behavior of microcellular ABS
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-26)
Article
Accés obertThe presentwork dealswith the study of phosphorus flame retardantmicrocellular acrylonitrile– butadiene–styrene (ABS) parts and the effects of weight reduction on the fire and mechanical performance. Phosphorus-based flame ... -
Effects of carbon nanotubes/graphene nanoplatelets hybrid systems on the structure and properties of polyetherimide-based foams
(2018-03-21)
Article
Accés obertFoams based on polyetherimide (PEI) with carbon nanotubes (CNT) and PEI with graphene nanoplatelets (GnP) combined with CNT were prepared by water vapor induced phase separation. Prior to foaming, variable amounts of only ...
