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Dielectric and mechanical characterization of PVC composites with ground tire rubber
Orrit Prat, Jordi; Mujal Rosas, Ramón María; Rahhali, A.; Marín Genescá, Marcos; Colom Fajula, Xavier; Belana Punseti, Juan
Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear; Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. DILAB - Laboratori de física dels materials dielèctrics; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable; Universitat Politècnica de Catalunya. POLQUITEX - Materials Polimérics i Química Téxtil
The 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, in which the steel vulcanized rubber and the fibers are separated; this rubber is being used in numerous applications like pavements, insulators, footwear, etc. This study proposes a second option for obsolete tires, demonstrating their utility as dielectrics. In order to do so, ground tire rubber (GTR) has been combined with polyvinyl chloride (PVC), to obtain a composite of a polymeric matrix reinforced with GTR. In order to determine the behavior of this composite material, the electrical and mechanical tests are presented as well as, more briefly, microstructure and thermal analyses, undertaken for the various mixtures of PVC with GTR (concentrations of 0%, 5%, 10%, 20%, 40%, 50%, and 70% GTR), and three GTR particle size categories (<200 mm, 200–500 mm, and >500 mm), in a range of temperatures that varied from 30 C to 130 C, and with frequencies from between 1 10 2 Hz and 3 106 Hz. The dielectric tests have allowed for an analysis of dielectric constant, dielectric loss factor, dielectric modulus, etc. On the other hand, the mechanical analysis has involved the Young’s modulus, tensile strength, elongation at break, and toughness. Mechanical and dielectric results point out that below 20% of GTR the material features for mechanical or electrical applications are not significantly altered.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
Àrees temàtiques de la UPC::Enginyeria dels materials::Materials compostos
Composite materials--Electric properties
Composite materials--Mechanical properties
Polymers--Electric properties
Polymers--Mechanical properties
Materials compostos -- Propietats elèctriques
Materials compostos -- Propietats mecàniques
Polímers -- Propietats elèctriques
Polímers -- Propietats mecàniques
info:eu-repo/semantics/publishedVersion
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