Enviaments recents

• Enhancing the electrical conductivity of polyetherimide-based foams by simultaneously increasing the porosity and graphene nanoplatelets dispersion 

  Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2018-09-19)
  Article
  Accés restringit per política de l'editorial

  Significant improvement in electrical conductivity of graphene nanoplatelets-filled polyetherimide (PEI) foams was achieved by simultaneously increasing the porosity and graphene nanoplatelets dispersion. Foams were prepared ...
• Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene 

  Redondo Realinho, Vera Cristina de; Haurie Ibarra, Laia; Formosa, Joan; Velasco Perero, José Ignacio (2018-07-23)
  Article
  Accés restringit per política de l'editorial

  The present work investigates the fire retardancy mechanisms of ammonium polyphosphate (APP) and aluminium diethyl phosphinate salt (AlPi) in an acrylonitrile-butadiene-styrene copolymer (ABS) by analysing the pyrolysis, ...
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  Porous membranes based on polypropylene-ethylene copolymers. Influence of temperature on extrusion, annealing and uniaxial strain stages 

  Castejón Galán, María del Pilar; Arencón Osuna, David; Antunes, Marcelo; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio; Martínez Benasat, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-02)
  Article
  Accés obert

  In this study, block and random copolymers of polypropylene–ethylene are selected to prepare porous membranes through the melt extrusion-annealing-uniaxial stretching technique (MEAUS), at a constant draw ratio. In some ...
• The fracture testing of ductile polymer films: Effect of the specimen notching 

  León Albiter, Noel; Martínez Benasat, Antonio; Castejón, P.; Arencón Osuna, David; Martínez, P. P. (Elsevier, 2017-10-01)
  Article
  Accés restringit per política de l'editorial

  The fracture of a ductile polymer film, a heterophase ethylene-propylene block copolymer, has been studied, combining a range of characterisation methods in an attempt to provide a better understanding of the intricate ...
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  Effects of carbon nanotubes/graphene nanoplatelets hybrid systems on the structure and properties of polyetherimide-based foams 

  Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2018-03-21)
  Article
  Accés obert

  Foams 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 ...
• Influence of injection molding parameters on the morphology, mechanical and surface properties of ABS foams 

  Gomez Monterde, J.; Sánchez Soto, Miguel; Maspoch Rulduà, Mª Lluïsa (2018-01-24)
  Article
  Accés restringit per política de l'editorial

  In this work, microcellular ABS foams were studied. A series of injection molding samples defined by a design of experiments was carried out to analyze the effect of shot volume, mold temperature, and injection velocity ...
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  Poly(Amide-imide) aerogel materials produced via an ice templating process 

  Gawryla, Matthew D.; Arndt, Eric M.; Sánchez Soto, Miguel; Schiraldi, David A. (2018-02-03)
  Article
  Accés obert

  Low density composites of sodium montmorillonite and poly(amide-imide) polymers have been created using an ice templating method, which serves as an alternative to the often-difficult foaming of high temperature/high ...
• Multivariable methods applied to FTIR: a powerful technique to highlight architectural changes in poly(lactic acid) 

  Riba Ruiz, Jordi-Roger; Cailloux, Jonathan; Cantero, R.; Canals Parelló, Trini; Maspoch Rulduà, Mª Lluïsa (Elsevier, 2018-02-01)
  Article
  Accés restringit per política de l'editorial

  The structural modifications of a commercially available poly(lactid acid) grade were induced through reactive extrusion using a multi-epoxide reactive agent in a pilot plant. The statistical nature of the chemical reactions ...
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  Polypropylene-based porous membranes: influence of polymer composition, extrusion draw ratio and uniaxial strain 

  Castejón Galán, María del Pilar; Habibi, Kian; Saffar, Amir; Ajji, Abdellah; Martínez Benasat, Antonio; Arencón Osuna, David (2017-12-29)
  Article
  Accés obert

  Several commercial grades of homo-polymer and its blends were selected to prepare microporous membranes through melt extrusion-annealing-uniaxial stretching technique (MEAUS). Branched or very fluid polypropylene was ...
• Microcellular PP/GF composites: morphological, mechanical and fracture characterization 

  Gomez Monterde, J.; Sánchez Soto, Miguel; Maspoch Rulduà, Mª Lluïsa (2018-01-01)
  Article
  Accés restringit per política de l'editorial

  The aim of the present work is to analyze the morphology, mechanical properties and fracture behaviour of solid and foamed plates made of glass fiber-reinforced PP. The morphology exhibited a solid skin/foamed core structure, ...
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  Tensile properties of LDPE/electrical cable waste blends prepared by melt extrusion process 

  Franco-Urquiza, Edgar; Camacho, N.; Maspoch Rulduà, Mª Lluïsa (2017-04-01)
  Article
  Accés obert

  In this study low density poly-ethylene (LDPE)/electrical cable waste blends were prepared using asingle-screw extruder at pilot plant level. The cable waste was mainly composed of LDPE, synthetic rubbers, flexible poly-vinyl ...
• Effect of specimen notch quality on the essential work of fracture of ductile polymer films 

  Martínez Benasat, Antonio; León, Noel; Segovia, Angélica; Cailloux, Jonathan; Martínez, Paris (2017-06-07)
  Article
  Accés restringit per política de l'editorial

  The essential work of fracture approach has been employed to analyse the effect of notch sharpening on the fracture toughness of a semicrystalline multiphase ethylene-propylene block copolymer. Double edge notched tension ...

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