Browsing by Author "Colom Fajula, Xavier"
Now showing items 1-20 of 93
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Acoustic and mechanical properties of recycled polyvinyl chloride/ground tyre rubber composites
(2013-04-08)
Article
Restricted access - publisher's policyIn order to provide another way of reducing the stock of used tyres and polyvinyl chloride waste, a new material is developed and studied. Formulation includes a matrix constituted by a compound of recycled polyvinyl ... -
Análisis de los diferentes tipos de desvulcanizado en la caracterización de nuevos materiales elastoméricos formados por la mezcla de estireno butadieno-caucho natural y mezclados con neumáticos fuera de uso (GTR)
(2017-10-02)
Article
Open AccessThis article proposes the creation of a new material useful for the industry from the mixture with rolls of two 50% virgin elastomers, styrene-butadiene (SBR) and natural rubber (NR) with tires out of use (GTR). These tires ... -
Análisis estructural de óxidos de grafeno (GO) y óxidos de grafeno reducidos (rGO)
(2020-07-01)
Article
Open AccessEl artículo caracteriza a nivel estructural, morfológico y térmico tres muestras distintas de óxido de grafeno comerciales (AGO, EGO y CGO) obtenidas mediante el método Hummers, las cuales han sido posteriormente reducidas ... -
Antennas based on low-cost thermoplastic polymer substrates for communication in the industrial, scientific and medical radio band
(2019-05-10)
Article
Open AccessThis work addresses the design guidelines, manufacturing process and experimental test of several antennas based on low cost and low loss thermoplastic polymer substrates. The proposed antennas are based on patch topologies ... -
Aprovechamiento de residuos queratínicos para la sorción de cobre de soluciones acuosas
(2020)
Article
Open AccessLa industria avícola mundial genera una gran cantidad de residuos que en la actualidad son mayoritariamente desechados. Entre ellos, las plumas (CFs), estructuras queratínicas que presentan grupos funcionales y otras ... -
Assessment of microstructure, physical and thermal properties of bitumen modified with LDPE/GTR/elastomer ternary blends
(2016-03-01)
Article
Open AccessLDPE/GTR/elastomer ternary blends with variable LDPE/GTR ratio and constant elastomer content were prepared via melt-compounding. Obtained LDPE/GTR/elastomer blends were applied as thermoplastic modifiers into bitumen. ... -
Assessment of the devulcanization process of EPDM waste from roofing systems by combined thermomechanical/microwave procedures
(2020-12-02)
Article
Restricted access - publisher's policyEthylene-propylene-diene rubber (EPDM) is a elastomer widely used in common industrial applications. EPDM can be shaped into sheets and employed as isolating material for roofing systems. In this study, scraps of EPDM from ... -
Behavior of the three-phase induction motor with spiral sheet rotor
(2009-03)
Article
Open AccessImprovements 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: ... -
Biocomposites using waste whole chicken feathers and thermoplastic matrices
(Sage, 2013-10)
Article
Restricted access - publisher's policyThis study deals with the preparation and characterization of thermoplastic composites using polypropylene, high-density polyethylene and polylactic acid matrices and including whole chicken feathers as reinforcement. The ... -
Caracterització microestructural i mecànica de compòsits hdpe/fibres lignocel.lulòsiques
(Universitat Politècnica de Catalunya, 1999-06-03)
Doctoral thesis
Open AccessA partir de polietilè d'alta densitat i de fibres lignocel·lulòsiques provinents del trèmol (Populus tremula) s'han obtingut uns materials amb propietats úniques denominats compòsits. Aquests compòsits, amb un màxim de 40% ... -
Caracterización del comportamiento acústico y mecánico de blends de HDPE/EPDM/NFU
(2010)
Conference lecture
Restricted access - publisher's policyEn este trabajo se pretende caracterizar el comportamiento acústico y mecánico de mezclas formadas por HDPE/EPDM/NFU. Los Neumáticos Fuera de Uso(NFU) son un gran problema debido al elevado grado de contaminación que ... -
Caracterización mediante espectrofotometría FT-IR del PVC sometido a degradación termoquímica en medio ácido oxidante
(Instituto de Investigación Textil y Cooperación Industrial, 2003-07)
Article
Open AccessEl presente estudio pretende profundizar en los efectos que provoca la exposición con HNO3 sobre la estructura del PVC. A tal fin se han sometido una serie de probetas a exposición en medio HNO3 a distintas concentraciones ... -
Comparative study of elastomeric and biogenic waste composite materials
(2014)
Conference report
Restricted access - publisher's policy -
Composites from keratin biofibers. Study of compatibility using polyolephinic matrices
(2012)
Conference report
Restricted access - publisher's policyThe study deals with the analysis and characterization of chicken feathers (CFs) based thermoplastic composites. The performance of the composite has been characterized in terms of mechanical properties which have been ... -
Curing epoxy with ethylenediaminetetraacetic acid (EDTA) surface-functionalized CoxFe3- xO4 magnetic nanoparticles
(2019-08-19)
Article
Restricted access - publisher's policyIn this work, the bulk and surface composition of Fe3O4 supermagnetic nanoparticles were modified for efficient epoxy curing. The bare, ethylenediaminetetraacetic acid (EDTA) capped, and cobalt (Co)-doped EDTA capped Fe3O4 ... -
Dielectric and mechanical characterization of PVC composites with ground tire rubber
(2010-10-27)
Article
Restricted access - publisher's policyThe mass manufacture of tires and the difficulty for their elimination or storage constitutes a serious environmental problem. At present, several methods for the recycling of tires are used, such as mechanical crushing, ... -
Dielectric, mechanical, and thermal characterization of high-density polyethylene composites with ground tire rubber
(2011-07-08)
Article
Restricted access - publisher's policyThe mass manufacture of tires and the difficulty in storing or disposing them constitute a serious environmental problem. At present, various recycling methods for tires are used, such as grinding, which separates the ... -
Dielectric, mechanical, and thermal characterization of high-density polyethylene composites with ground tire rubber
(2012-07-25)
Article
Restricted access - publisher's policyThe mass manufacture of tires and the difficulty in storing or disposing them constitute a serious environmental problem. At present, various recycling methods for tires are used, such as grinding, which separates the steel ... -
DVD Fuentes de energía. Aspectos técnicos, medioambientales y legislativos
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-07)
Conference report
Open AccessEn este artículo se describe básicamente la planificación, metodología, ejecución, así como los resultados obtenidos en la elaboración del DVD sobre fuentes de energía convencionales y alternativas. El proyecto ha sido ... -
Effect of chemical treatments and additives on properties of chicken feathers thermoplastic biocomposites
(2018-11-01)
Article
Open AccessThe valorization of chicken feathers (CFs) waste was researched in this work through the preparation of composites using ground chicken feathers as a filler (20 % v/v) and polypropylene (PP) or low-density polyethylene ...
