Now showing items 1-20 of 158

  • Análisis del comportamiento a impacto-indentación de materiales poliméricos mediante el método de elementos finitos 

    Aretxabaleta, L.; Múgica, J.I.; Aurrekoetxea, J.; Mateos, M.; Castillo, G.; Urrutibeascoa, I.; Martínez Benasat, Antonio (2008-03-05)
    Article
    Restricted access - publisher's policy
    El objetivo de este trabajo consiste en predecir la respuesta de materiales poliméricos sometidos a impacto-indentación mediante el programa de elementos finitos Abaqus/Explicit. En primer lugar se ha empleado un modelo ...
  • Aplicación de la Mecánica de la Fractura Post-Cedencia a Polímeros 

    Maspoch Rulduà, Mª Lluïsa; Franco Urquiza, Edgar Adrian; Gamez Pérez, José; Sánchez Soto, Miguel; Velasco Perero, José Ignacio; Santana Pérez, Orlando Onofre; Martínez Benasat, Antonio (2010-07-30)
    Article
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    La técnica del trabajo esencial de fractura (EWF) se ha utilizado en la caracterización a fractura de materiales que desarrollan una amplia ductilidad y donde ocurre una completa cedencia antes del inicio de la propagación ...
  • Aplicación de la técnica de autonucleación-recocido sucesivos (SSA) en un copolímero evoh: efecto del procesamiento 

    Santana Pérez, Orlando Onofre; Al-Jabareen, Ahmad; Maspoch Rulduà, Mª Lluïsa; Franco Urquiza, Edgar Adrian (2008)
    Conference report
    Restricted access - publisher's policy
  • Aplicaciones de las fibras naturales en los textiles de uso técnico 

    Ardanuy Raso, Mònica (2010-07-01)
    Article
    Open Access
    Por razones de sostenibilidad y por una concienciación cada vez mayor hacia el uso de materiales procedentes de recursos renovables, en los últimos años se está constatando un uso cada vez más frecuente de fibras naturales. ...
  • 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)
    Part of book or chapter of book
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    A 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 ...
  • Broad-band electrical conductivity of carbon nanofibre-reinforced polypropylene foams 

    Antunes, Marcelo de Sousa Pais; Mudarra López, Miguel; Velasco Perero, José Ignacio (2011)
    Article
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    The 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 del comportamiento a fractura de un polipropileno copolímero espumado 

    Gómez Monterde, Javier; Franco Urquiza, Edgar Adrian; Sánchez Soto, Miguel; Arencón Osuna, David; Santana Pérez, Orlando Onofre; Docampo, RAmon; Maspoch Rulduà, Mª Lluïsa (2014)
    Conference report
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    En el presente trabajo se ha aplicado el concepto de Trabajo Esencial de Fractura (EWF) a un copolímero etilenopropileno en bloque (EPBC) espumado, cuyas características morfológicas y mecánicas eran conocidas. Las ...
  • 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)
    Conference report
    Open Access
    En 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, Mª Lluïsa (2013)
    Conference report
    Open Access
    Los 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 ...
  • Chain architecture modifications of Poly(Lactic Acid) by reactive extrusion 

    Santana Pérez, Orlando Onofre; Callioux, Jonathan; Franco Urquiza, Edgar Adrian; Bou Serra, Jordi; Carrasco Alonso, Félix Ángel; Gamez Pérez, José; Maspoch Rulduà, Mª Lluïsa (2011)
    Conference report
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  • Characterisation and modelling of prestrained viscoelastic films 

    Martinez-Agirre, Manex; Illescas Fernandez, Silvia; Elejabarrieta, María Jesús (2014-04)
    Article
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    The goal of the present work is to characterise the influence of static prestrain on the elastic and dissipative properties of constrained viscoelastic films. Dynamic mechanical analysis (DMA) technique is considered for ...
  • Characterization of flame retardant polypropylene-magnesium hydroxide composite foams 

    Antunes, Marcelo de Sousa Pais; Haurie Ibarra, Laia; Velasco Perero, José Ignacio (2009)
    Conference lecture
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    Magnesium 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
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    Magnesium 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 municipal solid waste incineration residues from facilities with different air pollution control systems 

    Alba, N; Gassó Domingo, Santiago; Lacorte Avila, M. Teresa; Baldasano Recio, José María (1997-11)
    Article
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    Municipal Solid Waste incinerator residues produced in two types of facilities were exhaustively characterized: granulometry, mineralogy, chemical composition, leaching behavior, and elemental distribution as a function ...
  • 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)
    Conference lecture
    Open Access
    In 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 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
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    Low-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 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
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    The 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 ...
  • Cheaper membrane materials for microalgae dewatering 

    Nurra, Claudia; Franco Urquiza, Edgar Adrian; Maspoch Rulduà, Mª Lluïsa; Salvadó Rovira, Joan; Torras Font, Carles (Springer, 2014-10-01)
    Article
    Open Access
    Among different strategies to reduce costs in microalgae dewatering process via cross-flow filtration, the one related to membrane material was investigated in order to be decreased. Several materials were tested, starting ...
  • Comparación de formulaciones de PVC plastificado 

    Maspoch Rulduà, Mª Lluïsa; Illescas Fernandez, Silvia; Franco Urquiza, Edgar Adrian (2011-11-15)
    External research report
    Restricted access - confidentiality agreement
    Caracteritzar el comportamnet de diferents plastificants en una resina de PVC.
  • 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, Mª Lluïsa (2010)
    Conference report
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    En 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 ...