Ara es mostren els items 37-56 de 68

  • 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
    Accés restringit per política de l'editorial
    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 ...
  • Micromoldeo mediante ultrasonidos. Encapsulación de fármacos y preparación de nanocompuestos 

    Rey Pérez, Lorena (Universitat Politècnica de Catalunya, 2013-10)
    Projecte/Treball Final de Carrera
    Accés obert
    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 ...
  • 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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    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 ...
  • 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
    Accés obert
    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
    Accés restringit per política de l'editorial
    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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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)
    Text en actes de congrés
    Accés obert
  • Nanocharacterization techniques for investigating the durability of wood coatings 

    Vlad Cristea, Mirela; Riedl, Bernard; Blanchet, Pierre; Jiménez Piqué, Emilio (2012-03)
    Article
    Accés restringit per política de l'editorial
    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 ...
  • 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)
    Text en actes de congrés
    Accés obert
    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
    Accés obert
    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
    Accés obert
    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 ...
  • Poly (ester amide) nanocomposites by in situ polymerization: kinetic studies on polycondensation and crystallization 

    Jones Camacho, Ignacio (Universitat Politècnica de Catalunya, 2011-06)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    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)
    Treball Final de Grau
    Accés obert
    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 (2006)
    Article
    Accés restringit per política de l'editorial
    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 ...
  • Properties of POSS blends with pCBT, PMMA, PC and POM thermoplastics 

    Abt, Tobias Martin; Sánchez Soto, Miguel; Illescas Fernandez, Silvia; Arostegui, Asier (2013)
    Article
    Accés restringit per política de l'editorial
    The influence of the functionalisation of fully or partially condensed POSS cages on the properties of engineering thermoplastic-based nanocomposites is studied. POSS with different organic substituents were selected ...
  • Role of Nanoparticle Surface Charge on the Nucleation of the Electroactive ß-Poly(vinylidene ¿uoride) Nanocomposites for Sensor and Actuator Applications 

    Martins, Pedro; Caparrós Vázquez, Cristina Maria; Gonçalves, Renato; Manuel, Pedro; Benelmekki, Maria; Botelho, Gabriela; Lanceros Méndez, Senentxu (2012-06-26)
    Article
    Accés restringit per política de l'editorial
    The electroactive ß-phase of poly(vinylidene fluoride) (PVDF) can be nucleated by introducing CoFe2O4 nanoparticles within the polymer matrix, leading to electroactive materials with large potential for sensor and actuator ...
  • Silicone rubber and nanocrystalline cellulose composites with antimicrobial properties 

    Artigas Lamora, Guillermo (Universitat Politècnica de Catalunya / Kaunas University of Tecnology, 2013)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
  • Structure-property evaluation of trisilanolphenyl POSS®/polysulfone composites as a guide to POSS melt blending 

    Milliman, Henry; Sánchez Soto, Miguel; Arostegui, Asier; Schiraldi, David A. (2012-08-15)
    Article
    Accés restringit per política de l'editorial
    A series of polysulfone/phenyl trisilanol POSS nanocomposites were produced by melt blending by twin screw batch mixing. These materials were then injec- tion molded, and their thermal, mechanical, and morpho- logical ...
  • Study of the cellular structure heterogeneity and anisotropy of polypropylene and polypropylene nanocomposite foams 

    Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio; Redondo Realinho, Vera Cristina de; Solórzano Quijano, Eusebio (2009)
    Article
    Accés restringit per política de l'editorial
    This article presents the analysis of the processing parameters influence on the foaming behavior and cellular structure of PP-montmorillonite foams. Polypropylene nanocomposites containing 5.0 phr of an organically- modified ...