Now showing items 42-61 of 80

  • Micromoldeo mediante ultrasonidos. Encapsulación de fármacos y preparación de nanocompuestos 

    Rey Pérez, Lorena (Universitat Politècnica de Catalunya, 2013-10)
    Master thesis (pre-Bologna period)
    Open Access
    En este Proyecto, se ha estudiado la aplicación de un nuevo sistema de micromoldeo mediante ultrasonidos, evaluando el efecto de diferentes condiciones de procesado en un material biodegradable, así como la incorporación ...
  • Micro-molding with ultrasonic vibration energy: New method to disperse nanoclays in polymer matrices 

    Planellas Oates, Marc; Sacristan, Matias; Rey, Lorena; Olmo, Cristian; Aymami Bofarull, Juan; Casas Becerra, María Teresa; Valle Mendoza, Luis Javier del; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2014-07)
    Article
    Restricted access - publisher's policy
    Ultrasound technology was proved as an efficient processing technique to obtain micro-molded specimens of polylactide (PLA) and polybutylene succinate (PBS), which were selected as examples of biodegradable polyesters ...
  • Microstructural characteristics of graphene/polycarbonate nanocomposite foams 

    Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Rende, Deniz; Schadler, Linda; Velasco Perero, José Ignacio; Ozisik, Rahmi (2014)
    Conference report
    Restricted access - publisher's policy
    The microstructural characteristics of polycarbonate-graphene nanocomposite foams prepared using supercritical CO2 foaming are investigated using small and wide angle X-ray diffraction to understand the effect of graphene, ...
  • Millora de les propietats de films multicapa mitjançant la inclusió de Nanocompòsits de PA6 

    LLoret Fortuny, Elsa (Universitat Politècnica de Catalunya, 2013-09)
    Master thesis
    Restricted access - author's decision
    L’aplicació de materials multicapa per l’envasament de productes ha representat un gran avenç pel que fa a la conservació d’aliments i a la seva acceptació per part del consumidor. Aquesta tecnologia permet allargar la ...
  • Modification of as-cast Al-Mg/B4C composite by addition of Zr 

    Rezayat, Mohammad; Bahremand, M. R.; Parsa, M. H.; Mirzadeh, Hamed; Cabrera Marrero, José M. (2016-11-15)
    Article
    Restricted access - publisher's policy
    Zirconium was used in Al-Mg/B4C composite to improve compocasting efficiency by increasing particle incorporation. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) results revealed that by ...
  • Molecular mobility in hyperbranched polymers and their interaction with an epoxy matrix 

    Román Concha, Frida Rosario; Colomer Vilanova, Pere; Calventus Solé, Yolanda; Hutchinson, John M. (2016-03-01)
    Article
    Open Access
    The molecular mobility related to the glass transition and secondary relaxations in a hyperbranched polyethyleneimine, HBPEI, and its relaxation behaviour when incorporated into an epoxy resin matrix are investigated by ...
  • Morphology and thermomechanical properties of melt-mixed polyoxymethylene/polyhedral oligomeric silsesquioxane nanocomposites 

    Sánchez Soto, Miguel; Illescas Fernandez, Silvia; Milliman, Henry; Schiraldi, David A.; Arostegui, Asier (2010)
    Article
    Restricted access - publisher's policy
    The influence of the functionalization of fully condensed POSS cages on the properties of POMbased nanocomposites is studied. POSS with different organic substituents [glycidylethyl, aminopropylisobutyl, and poly(ethylene ...
  • Multicriteria value analysis for polymer composites selection in automotive applications 

    Carod de Arriba, Xavier; González Benítez, María Margarita (Asociación Española de Ingeniería de Proyectos (AEIPRO), 2015)
    Conference report
    Restricted access - publisher's policy
    This study presents a tool for decision making called Multicriteria Value Analysis, used for selection of polymeric materials applied in automotive parts and components. The tool is built from the methodological framework ...
  • Multifunctional foams made of polymer nanocomposites 

    Arencón Osuna, David; Velasco Perero, José Ignacio; Realiño, Vera; Antunes, Marcelo de Sousa Pais; Gedler, Gabriel (Campus de Terrassa de la UPC, 2013-06-13)
    Conference report
    Open Access
  • Nanocharacterization techniques for investigating the durability of wood coatings 

    Vlad Cristea, Mirela; Riedl, Bernard; Blanchet, Pierre; Jiménez Piqué, Emilio (2012-03)
    Article
    Restricted access - publisher's policy
    Nanocharacterization techniques such as nanoindentation and atomic force microscopy were used to investigate the exterior durability of waterborne coatings improved with inorganic nanosized UV-absorbers. Nanocomposite ...
  • Nanocomposite development for cesium and uranyl remediation 

    Mora Solé, Josep (Universitat Politècnica de Catalunya, 2017-06-16)
    Master thesis
    Open Access
    El Cesio es un radionúclido con un tiempo de vida media de 30,2 años (isótopo 137Cs). La presencia no deseada de este radionúclido (Fukushima, Flix) hace importante el desarrollo de nuevas tecnologías de remediación. Se ...
  • Nanocomposites of in-situ polymerized cyclic butylene terephthalate and polyhedral oligomeric silsesquioaxanes 

    Abt, Tobias Martin; Illescas Fernandez, Silvia; Antunes, Marcelo de Sousa Pais; Cáceres Moreno, María Angélica; Sánchez Soto, Miguel (2010-05-03)
    Conference report
    Open Access
    Nanocomposites were prepared by in-situ polymerization of CBT®, a cyclic form of poly(butylene terephthalate) (PBT) and polyhedral oligomeric silsesquioxane (POSS®) with 2.5, 5 and 10 wt% POSS content. Three different types ...
  • Nanocomposites of new biodegradable poliesters and polyesteramides 

    Puiggalí Bellalta, Jordi; Morales Gámez, Laura Teresa; Franco García, María Lourdes; Casas Becerra, María Teresa; Valle Mendoza, Luis Javier del; Rodríguez Galán, Rafael Alfonso (2011-03-16)
    Article
    Open Access
    Polymers are easily prepared by bulk polycondensation based on metal-halide salt formation, while crystallization is strongly influenced by incorporation and distribution of silicate nanoparticles.
  • Non-isothermal cure and exfoliation of tri-functional epoxy-clay nanocomposites 

    Shiravand, Fatemeh; Hutchinson, John M.; Calventus Solé, Yolanda (Budapest University of Technology and Economics, 2015)
    Article
    Open Access
    The non-isothermal cure kinetics of polymer silicate layered nanocomposites based on a tri-functional epoxy resin has been investigated by differential scanning calorimetry. From an analysis of the kinetics as a function ...
  • PLA-OMMT Nanocomposites manufactured by reactive extrusion 

    Carrasco Alonso, Félix Ángel; Santana Pérez, Orlando Onofre; Cailloux, Jonathan; Maspoch Rulduà, Mª Lluïsa (IAPC Publishing, 2017-05-03)
    Part of book or chapter of book
    Open Access
  • PLA/SiO2 composites: influence of the filler modifications on the morphology, crystallization behaviour and mechanical properties 

    Bin Raja-Nazri, Raja Nazrul Hakim; Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Bou Serra, Jordi; Sánchez Soto, Miguel; Odent, Jeremy; Raquez, Jean-Marie; Dubois, Philippe; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, Mª Lluïsa (Wiley, 2017-06-14)
    Article
    Restricted access - publisher's policy
    Films of an architecturally modified poly(lactic acid) (PLAREx) with three different types of fumed silica nanofillers (SiO2) were processed through reactive extrusion-calendering in a pilot plant. The effects of the SiO2 ...
  • Poly (ester amide) nanocomposites by in situ polymerization: kinetic studies on polycondensation and crystallization 

    Jones Camacho, Ignacio (Universitat Politècnica de Catalunya, 2011-06)
    Master thesis
    Restricted access - author's decision
    Preparation of nanocomposites by in situ polymerization of sodium chloroacetylaminohexanoate in the presence of C20A or C30B organo-modified montmorillonites was studied. Both clays rendered an intercalated structure that ...
  • Polymer layered silicates nanocomposite 

    Bin Zainal, Mohamad Noradnan (Universitat Politècnica de Catalunya, 2015-06-26)
    Bachelor thesis
    Open Access
    The polymer/clay nanocomposite has unique morphologies which help to improve the properties of the nanocomposite material itself. The morphologies are the intercalation and also the exfoliation. Intercalation is happen ...
  • Polypropylene/Clay Nanocomposites: Combined effects of clay treatment and compatibilizer polymers on the structure and properties 

    Velasco Perero, José Ignacio; Ardanuy Raso, Mònica; Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Fernández Renna, Ana Inés; González-Peña, J.I.; Rodríguez-Pérez, Miguel Ángel; Saja, José Antonio de (Wiley, 2006)
    Article
    Restricted access - publisher's policy
    Combined effects of clay treatment and compatibilizer polymers on the structure and properties of polypropylene/clay nanocomposites were studied. Dynamic mechanical analysis was used to analyze comparatively the dynamic ...
  • Preparation of nanocomposites of poly(epsilon-caprolactone) and multi-walled carbon nanotubes by ultrasound micro-molding. Influence of nanotubes on melting and crystallization 

    Olmo Osuna, Cristian; Amestoy, Hegoi; Casas, Maria Teresa; Martinez, Juan Carlos; Franco García, María Lourdes; Sarasua, Jose-Ramon; Puiggalí Bellalta, Jordi (2017-08-01)
    Article
    Open Access
    Ultrasound micro-molding technology was successfully applied to prepare nanocomposites based on a poly(e-caprolactone) (PCL) matrix and multi-walled carbon nanotubes (MWCNTs). Optimization of processing parameters (i.e. ...