Author, as appears in the article.: Marín-Genescà M; Mujal-Rosas R; García-Amorós J; Mudarra M; Juan XR; Fajula XC

Department: Enginyeria Mecànica

e-ISSN: 2073-4360

URV's Author/s: García Amorós, Jordi / Marín Genescà, Marc

Keywords: Thermal properties Recycling rubber Microstructure analysis Dielectric properties Composites

Abstract: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. The recycling and disposal of disused tires is a topic of great concern to today’s companies, researchers, and society in general. In this sense, our research aims to recycle end-of-life tires (GTRs) through the separation of the fraction of vulcanized rubber from the other compounds in order to later grind this fraction and separate it into lower particle sizes. Finally, we aim to incorporate these GTR particles as a filler of an ethylene-polyethylene-diene monomer (EPDM). The obtained composites with EPDM and GTR are tested (5%, 10%, 20%) comparing these values with neat EPDM as a control sample. Thermal tests such as differential calorimetry (DSC) and thermogravimetric analysis (TGA) as well as dielectric tests (DEA) are performed in order to characterize these materials and check their viability as dielectric or semiconductor, for industrial use. It is checked how the presence of GTR increases functional properties such as conductivity/permittivity. The influence of temperature (40 to 120 °C) and addition of GTR particles in electrical properties has also been analyzed. The dielectric behavior of these composites is fully characterized, analyzing the different types of relaxation with increasing frequency (10 mHz to 3 MHz), using the electric modulus, and Argand diagrams among other measures. The influence of GTR and temperature in the dielectric and thermal behavior of these materials has been analyzed, where CB of GTR creates interfacial polarization phenomena in the dielectric behavior of the composite and increases the permittivity (real and imaginary) as well as the conductivity. Finally, with these obtained properties, the possible application of EPDM/GTR composites as industrial dielectrics has been studied.

Thematic Areas: Polymers and plastics Polymer science Odontología General chemistry Farmacia Engenharias ii Ciências biológicas ii Chemistry (miscellaneous) Chemistry (all) Biotecnología Astronomia / física

licence for use: https://creativecommons.org/licenses/by/3.0/es/

Author's mail: marc.marin@urv.cat jordi.garcia-amoros@urv.cat

Author identifier: 0000-0002-7204-4526 0000-0002-6548-5059

Record's date: 2023-02-19

Journal volume: 13

Papper version: info:eu-repo/semantics/publishedVersion

Link to the original source: https://www.mdpi.com/2073-4360/13/4/509/htm

Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/

Papper original source: Polymers. 13 (4): 1-19

APA: Marín-Genescà M; Mujal-Rosas R; García-Amorós J; Mudarra M; Juan XR; Fajula XC (2021). Study analysis of thermal, dielectric and functional characteristics of an ethylene polyethylene diene monomer blended with end-of-life tire microparticles amounts. Polymers, 13(4), 1-19. DOI: 10.3390/polym13040509

Article's DOI: 10.3390/polym13040509

Entity: Universitat Rovira i Virgili

Journal publication year: 2021

Publication Type: Journal Publications