Browsing by Author "Colom Fajula, Xavier"
Now showing items 1-20 of 120
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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 ... -
Analyzing thermal degradation effects on devulcanized GTR-based NR/SBR/NBR rubber compounds reinforced with SiO2 particles
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-11-24)
Article
Open AccessThe large number of tires produced annually demands new recycling methods. A key challenge associated with recycling elastomers is their crosslinking structure that prevents fusion. It is possible to reverse crosslinking ... -
Análisis comparativo de propiedades termo estructurales y eléctricas entre polietileno de alta densidad (HD-PE), y el HD-DE reforzado con neumáticos al final de su vida útil. Estudio de aplicación como dieléctrico
(2022-01-01)
Article
Open AccessEl propósito del presente trabajo pasa por analizar la permitividad y el factor de pérdidas tanto del polietile-no de alta densidad (HD-PE), como del compuesto de matriz polimérica (HD-PE)reforzado con neumáticos fuera de ... -
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 ... -
Application properties analysis as a dielectric capacitor of end-of-life tire-reinforced HDPE
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-12)
Article
Open AccessThe purpose of the present research is to obtain waste of polymeric composite as an insulator capacitive application. Rubber materials, once they end their useful life, may be difficult to reuse or recycle. At present, ... -
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
Open AccessEthylene-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 físico-térmica del proceso de degradación durante la transformación de un film de LLDPE destinado a la fabricación de bolsas
(2021-09-29)
Article
Open AccessCon este estudio se pretende analizar el comportamiento que presenta un LLDPE comercial, que se utiliza para la fabricación de bolsas, frente al proceso de degradación termo-oxidativa que sufre cada vez que se somete a un ... -
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 ... -
Circular economy assessment in recycling of LLDPE bags according to European Resolution, thermal and structural characterization
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-15)
Article
Open AccessAccording to the Circular Economy Package promoted by the European directive, plastic bags companies must use in their formulations a percentage of polyethylene waste (industrial and/or domestic) greater than 70%. Following ... -
Circular economy insights on the suitability of new tri-layer compostable packaging films after degradation in storage conditions
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-10-19)
Article
Open AccessThe environmental degradation of the films used in packaging is a key factor in their commercial use. Industrial and academic research is aimed at obtaining materials that have degradation features that ensure their ... -
Comparación de las características mecánicas y dieléctricas de varios polímeros mezclados con caucho de neumáticos fuera de uso (GTR) para su aplicación como aislante de calzado de trabajo industrial
(2020-01-01)
Article
Open AccessLa masiva fabricación de neumáticos y su dificultad para su posterior reciclaje, representa hoy por hoy, un grave problema medio ambiental. Existen varios métodos para intentar reciclar los neumáticos usados, uno de ellos ... -
Comparative analysis of the effects of incorporating post-industrial recycled LLDPE and post-consumer PE in films: macrostructural and microstructural perspectives in the packaging industry
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-03-27)
Article
Open AccessIn accordance with the Circular Economy Package of the European directive, the Spanish government compels manufacturers of plastic bags to include into their products a minimum of 70% of polyethylene (PE) waste. Following ...
