Now showing items 21-37 of 37

  • Induction motor with spiral sheet rotor 

    Mujal-Rosas, Ramon Maria; Boix Aragonès, Oriol; Colom Fajula, Xavier (2009)
    Conference lecture
    Open Access
    mprovements in torque at low currents using a rotor with spiral sheets are analyzed. Several rotors and stators have been built combining different constructive and mechanical characteristics of the related elements : ...
  • Investigating the combined impact of plasticizer and shear force on the efficiency of low temperature reclaiming of ground tire rubber (GTR) 

    Formela, Krzysztof; Klein, Marek; Colom Fajula, Xavier; Reza Saeb, Mohammad (2016-03-01)
    Article
    Open Access
    In the present work, ground tire rubber (GTR) was mechano-chemically reclaimed at ambient temperature using two-roll mills. Road bitumen and styrene-butadiene-styrene (SBS)-modified bitumen at variable content (in range: ...
  • Materiales compuestos termoplásticos cargados con residuos biogénicos de base proteínica: influencia del tamaño de partícula 

    Rahhali, Ahmed; Carrillo Navarrete, Fernando; Macanás de Benito, Jorge; Cañavate Ávila, Francisco Javier; Colom Fajula, Xavier (2016-03-01)
    Article
    Open Access
    Chicken feathers are cheap, available and a ubiquitous renewable waste material resulting from the massive production of chicken meat from the aviary industry which is estimated in 925.000 ton/year in EU. Consequently, its ...
  • Método para generar hidrógeno a partir de residuos de aluminio, para alimentar la pila de combustible de un coche de radio control 

    Salueña Berna, Javier; Mujal-Rosas, Ramon Maria; Dagá Monmany, José María; Colom Fajula, Xavier (2019-01)
    Article
    Restricted access - publisher's policy
    La mayoría de coches de radio control con pila de combustible existentes en el mercado almacenan el hidrógeno en bombonas a presión o hidruros metálicos. En este artículo se plantea la posibilidad de generar hidrógeno “in ...
  • New routes to recycle scrap tyres 

    Colom Fajula, Xavier; Cañavate Ávila, Francisco Javier; Casas Carné, M. del Pilar; Carrillo Navarrete, Fernando (INTECH, 2011-08-10)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Preparation and characterization of natural rubber composites highly filled with brewers' spent grain/ground tire rubber hybrid reinforcement 

    Zedler, Lukasz; Colom Fajula, Xavier; Reza Saeb, Mohammad; Formela, Krzysztof (Elsevier, 2018-07-15)
    Article
    Restricted access - publisher's policy
    Brewers' spent grain (BSG) and ground tire rubber (GTR) were applied as low-cost hybrid reinforcement natural rubber (NR). The impact of BSG/GTR ratio (in range: 100/0, 75/25, 50/50, 25/75 and 0/100 phr) on processing and ...
  • Procesado y caracterización de nuevos materiales elastoméricos estireno-butadieno mezclados con neumáticos fuera de uso (GTR) desvulcanizados mediante microondas 

    Colom Fajula, Xavier; Sans García, Jorge; Norazman, A.S.B.; Zailan, N.Y.I.B. (2017-01-11)
    Article
    Open Access
    Se han obtenido materiales elastoméricos mediantela mezcla con rodillos de un elastómero virgen (estireno-butadieno-SBR) con dos tipos distintos de neumáticos fuera de uso (GTR), uno desvulcanizado mediante microondas y ...
  • Processing and structure-property relationships of natural rubber/wheat bran biocomposites 

    Formela, Krzysztof; Hejna, Aleksander; Piszczyk, Lukasz; Reza Saeb, Mohammad; Colom Fajula, Xavier (2016-10-01)
    Article
    Open Access
    In this work, wheat bran was used as cellulosic filler in biocomposites based on natural rubber. The impact of wheat bran content [ranging from 10 to 50 parts per hundred rubber (phr)] on processing, structure, dynamic ...
  • Properties and optimal manufacturing conditions of chicken feathers/poly(lactic acid) biocomposites 

    Cañavate Ávila, Francisco Javier; Aymerich Amorós, Jordi; Garrido Soriano, Núria; Colom Fajula, Xavier; Macanás de Benito, Jorge; Molins Duran, Gemma; Álvarez del Castillo, María Dolores; Carrillo Navarrete, Fernando (2015-04-20)
    Article
    Open Access
    Chicken feathers waste from poultry industry was incorporated in poly(lactic acid) matrix to obtain an environmental friendly biocomposite taking advantage of the unique properties of chicken feathers, such as low density, ...
  • Properties and optimal manufacturing conditions of chicken feathers thermoplastics biocomposites 

    Colom Fajula, Xavier; Rahalli, Ahmmed; Cañavate Ávila, Francisco Javier; Carrillo Navarrete, Fernando (2015-01-17)
    Article
    Open Access
    The aim of this study was the analysis and characterization of composites based on thermoplastics (ethylene vinyl acetate, polypropilene and high-density polyethylene) and chicken feathers. Several composite samples with ...
  • Structural and physico-mechanical properties of natural rubber/GTR composites devulcanized by microwaves: influence of GTR source and irradiation time 

    Colom Fajula, Xavier; Marin-Genesca, Marc; Mujal-Rosas, Ramon Maria; Formela, Krzysztof; Cañavate Ávila, Francisco Javier (2018-03-01)
    Article
    Open Access
    Ground tire rubber from car and truck was modified using microwave irradiation at variable time. The irradiated ground tire rubber was used as filler in composites based on natural rubber. The composites, with high content ...
  • Study of the charge profile of thermally poled electrets 

    Parsa, Seyedeh Elaheh; Trull Silvestre, José Francisco; Colom Fajula, Xavier; Sellarès González, Jordi (2016-02-17)
    External research report
    Open Access
    The charge profile of thermally poled electrets has been studied using two different methods, laser induced pressure pulse (LIPP) and pulsed electroacoustic (PEA), to gain insight into the mechanisms that are activated and ...
  • Surface treatment of rubber waste 

    Colom Fajula, Xavier; Marín Genescà, Marc; Formela, Krzysztof; Cañavate Ávila, Francisco Javier (Royal Society of Chemistry (RSC), 2018-10-03)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Rubber is used in a vast number of products, from tyres on vehicles to disposable surgical gloves. Increasingly both manufacturers and legislators are realising that recycling is essential for environmental sustainability ...
  • Synergistic effects of bitumen plasticization and microwave treatment on short-term devulcanization of ground tire rubber 

    Zedler, Lukasz; Klein, M.; Saeb, M.R.; Colom Fajula, Xavier; Cañavate Ávila, Francisco Javier; Formela, Krzysztof (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-13)
    Article
    Open Access
    Ground tire rubber (GTR) was mechano-chemically modified with road bitumen 160/220 and subsequently treated using a microwave radiation. The combined impact of bitumen 160/220 content and microwave treatment on short-term ...
  • Thermoplastic elastomers filled with GTR 

    Formela, Krzysztof; Haponiuk, Josef T; Wang, S.; Colom Fajula, Xavier (Royal Society of Chemistry (RSC), 2018-10-03)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Rubber is used in a vast number of products, from tyres on vehicles to disposable surgical gloves. Increasingly both manufacturers and legislators are realising that recycling is essential for environmental sustainability ...
  • Thermoplastic elastomers including ground tyre rubber in a thermoplastic matrix 

    Cañavate Ávila, Francisco Javier; Casas Carné, M. del Pilar; Carrillo Navarrete, Fernando; Nogués Morell, Francesc; Colom Fajula, Xavier (Sun Light Publishing Canada, 2011-06-15)
    Article
    Restricted access - publisher's policy
    Disposal of end of life tyres is regulated in many countries. The enormous amount produced every year needs the research of new ways of recycling. A common practice previous to any treatment is the grinding of the tyres ...
  • Use of chicken feathers waste for the fabrication of composite materials 

    Carrillo Navarrete, Fernando; Macanás de Benito, Jorge; Colom Fajula, Xavier; Cañavate Ávila, Francisco Javier; Molins Duran, Gemma; Álvarez del Castillo, María Dolores; Garrido Soriano, Núria (2012)
    Conference lecture
    Restricted access - publisher's policy
    Chicken feathers (CFs), mainly discarded nowadays, are an alternative reinforcement to be applied in the preparation of composite materials (CMs). The effect of different sanitizing methods on the properties of both CFs ...