Ara es mostren els items 29-48 de 125

    • EcoBlends’up: Compuestos microfibrilados “in situ” a partir de mezclas PLA/BioPA mediante manufactura aditiva 

      Martínez Orozco, Leandro Isidro; León Albiter, Noel; Cailloux, Jonathan; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa; Santana Pérez, Orlando Onofre (Grupo Español de Fractura, 2021)
      Text en actes de congrés
      Accés obert
      En ciertas mezclas de polímeros una morfología microfibrilar de la fase dispersa debidamente orientada durante la etapa de procesamiento, puede generar un efecto reforzante aumentando la tenacidad a la fractura, sobre todo ...
    • EcoBlends’up: PLA/BioPA blends composites, microfibrillated “in situ” through additive manufacturing 

      Martínez Orozco, Leandro Isidro; León Albiter, Noel; Cailloux, Jonathan; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa; Santana Pérez, Orlando Onofre (2022-04)
      Article
      Accés obert
      In certain polymer blends, a properly oriented microfibrillar morphology of the dispersed phase during the processing stage can generate a reinforcing effect by increasing the fracture toughness, especially in the crack ...
    • Effect of chitin nanocrystals on crystallization and properties of poly(lactic acid)-based nanocomposites 

      Singh, Shikha; Maspoch Rulduà, M. Lluïsa (Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-01)
      Article
      Accés obert
      The crystalline phase of poly(lactic acid) (PLA) has crucial effects on its own properties and nanocomposites. In this study, the isothermal crystallization of PLA, triethyl citrate-plasticized PLA (PLA–TEC), and its ...
    • Effect of microcellular foaming on the fracture behavior of ABS polymer 

      Gómez Monterde, Javier; Schulte, M.; Ilijevic, Stefan; Hain, J; Sánchez Soto, Miguel; Santana Pérez, Orlando Onofre; Maspoch Rulduà, M. Lluïsa (2016)
      Article
      Accés obert
      In this work, the properties of microcellular ABS were studied. Foamed samples exhibited a solid skin/foamed core struc- ture, with some elongated cells in the flow direction, while spherical cells were mostly observed in ...
    • Effect of the recycling and annealing on the mechanical and fracture properties of poly(lactic acid) 

      Nascimento, L.; Gamez Pérez, José; Santana Pérez, Orlando Onofre; Velasco Perero, José Ignacio; Maspoch Rulduà, M. Lluïsa; Franco Urquiza, Edgar Adrian (2010-12)
      Article
      Accés restringit per política de l'editorial
      The 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 ...
    • 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'editorial
      The 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 strain rate on damage in filled epdm during single and cyclic loadings 

      Candau, Nicolas; Oguz, Oguzhan; Peuvrel-Disdier, Edith; Bouvard, Jean-Luc; Maspoch Rulduà, M. Lluïsa; Corvec, Guillaume; Pradille, Christophe; Billon, Noëlle (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-01)
      Article
      Accés obert
      The effect of the strain rate on damage in carbon black filled Ethylene Propylene Diene Monomer rubber (EPDM)stretched during single and multiple uniaxial loading is investigated. This has been performed by analyzing the ...
    • 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'editorial
      This 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 obert
      PLA 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, ...
    • Elastocaloric effect in vulcanized natural rubber and natural/wastes rubber blends 

      Candau, Nicolas; Vives Santa-Eulàlia, Eduard; Fernández Renna, Ana Inés; Maspoch Rulduà, M. Lluïsa (Elsevier, 2021-11-30)
      Article
      Accés obert
      Vulcanized natural/wastes rubber blends were prepared and their elastocaloric properties were analysed. A thermodynamic frame was used to discriminate the contributions of thermoelastic effects and strain induced ...
    • Elastocaloric waste/natural rubber materials with various crosslink densities 

      Candau, Nicolas; Zimny, Adele; Vives, Eduard; Maspoch Rulduà, M. Lluïsa (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-02)
      Article
      Accés obert
      The characterization of the mechanical behavior of elastocaloric materials is essential to identify their viability in heating/cooling devices. Natural rubber (NR) is a promising elastocaloric (eC) polymer as it requires ...
    • 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'editorial
      An 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'editorial
      An 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 ...
    • Enhancement of the thermal resistance of poly(lactic acid) obtained by reactive extrusion by adding nanoclays 

      Carrasco Alonso, Félix Ángel; Maspoch Rulduà, M. Lluïsa (2016-10-01)
      Article
      Accés obert
      In the present work, poly(lactic acid) sheets (with a nominal width of 1 mm) reinforced with organically modified montmorillonite (with a mass content of 2.5%) have been manufactured through a reactive extrusion process. ...
    • Epoxy coupling agents for PLA and PHB copolymer-based cotton fabric bio-composites 

      Battegazzore, Daniele; Frache, Alberto; Abt, Tobias Martin; Maspoch Rulduà, M. Lluïsa (Elsevier, 2018-09-01)
      Article
      Accés obert
      Epoxy coupling agent was deposed on cotton fabric used for the formation of film stacked composites based on poly(lactic acid) (PLA) or a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHB) matrices. The additive confining ...
    • Espumas ignífugas de poliolefina libres de halógenos 

      Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Haurie Ibarra, Laia; Maspoch Rulduà, M. Lluïsa; Velasco Perero, José Ignacio (2012)
      Text en actes de congrés
      Accés obert
      En el presente trabajo se han preparado y caracterizado espumas ignífugas de poliolefinas libres de halógenos. Se ha utilizado para ello una formulación comercial, empleada típicamente en la industria de cables, y se le ...
    • Essential work of fracture analysis of the tearing of a ductile polymer film 

      Martínez Benasat, Antonio; Segovia, Angélica; Gamez Pérez, José; Maspoch Rulduà, M. Lluïsa (2010-09)
      Article
      Accés restringit per política de l'editorial
      The fracture behaviour of a 0.5 mm thick ethylene-propylene block copolymer, previously evaluated using the essential work of fracture method, has been analyzed again in more detail, using different plots, allowing the ...
    • 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 obert
      En 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 ...
    • Estudio de la fractura de materiales compuestos por una matriz de plástico 

      Maspoch Rulduà, M. Lluïsa (Universitat Politècnica de Catalunya, 1992-10-16)
      Tesi
      Accés obert
      Se estudia el comportamiento a fractura de materiales, compuestos por una matriz de plástico en la que se ha dispersado una segunda fase en forma de partículas elastoméricas. Como matriz se han utilizado dos materiales ...
    • Evaluación de las propiedades mecánicas en mezclas de Poliestireno/Polietileno de baja densidad reciclado y tamizado 

      Franco Urquiza, Edgar A.; Maspoch Rulduà, M. Lluïsa (2017)
      Article
      Accés obert
      En el presente trabajo se prepararon mezclas de poliestireno (PS) con residuo tamizado de Polietileno de baja densidad (LDPE) reciclado de cables eléctricos. Las mezclas se pr epararon utilizando ...