RT Journal Article
T1 Bio and waste-based binders with hybrid rubberized-thermoplastic characteristics for roofing
A1 Álvarez Barajas, Rodrigo
A1 Cuadri Vega, Antonio Abad
A1 Delgado Sánchez, Clara
A1 Navarro Domínguez, Francisco Javier
A1 Partal López, Pedro
AB Non-bituminous binders with sustainable characteristics have been developed as potential roofing materials. Avegetable colophony rosin ester, waste cooking oil, waste crumb rubber and a blend of recycled high-densitypolyethylene (HDPE) and polypropylene (PP) have been used for binder formulations. Rheological, calorimetricand technological characterizations have been performed to assess the compatibility among bindercomponents and optimal compositions. Additionally, thermal conductivity, heat capacity and solar radiationtests have been performed on selected non-bituminous and bitumen-based binders. Solar radiation experimentalset-up has been simulated by Computational Fluid Dynamics (CFD) in order to get a deeper insight into heattransmission mechanisms involved. A binder formulation composed of 40 wt% maleic-modified rosin ester, 32 wt% waste oil, 20 wt% crumb rubber and 8 wt% recycled HDPE/PP blend has shown suitable mechanical propertiesand solar behaviour for roofing materials. The use of recycled thermoplastics and elastomers imparts materialwith a hybrid character, showing enhanced flexibility and softening points, respectively, at low and high inservicetemperatures. Its solar behaviour is comparable to that of the modified bitumen, with a similar heatabsorption from Sun (about 30 %) but lower heat storage capacity at ambient temperature.
PB Elsevier
SN 0142-9418
YR 2023
FD 2023-12
LK https://hdl.handle.net/10272/23960
UL https://hdl.handle.net/10272/23960
LA eng
NO Álvarez-Barajas, R., Cuadri, A. A., Delgado-Sánchez, C., Navarro, F. J., & Partal, P. (2024). Bio and waste-based binders with hybrid rubberized-thermoplastic characteristics for roofing. In Polymer Testing (Vol. 130, p. 108317). Elsevier BV. https://doi.org/10.1016/j.polymertesting.2023.108317
NO This work is co-funded by FEDER European Programme (80 %) and Junta de Andalucía (Consejería de Economía, Conocimiento, Empresas y Universidades/Agencia-IDEA) and of project TED2021-131284 B–I00 funded by MCIN/AEI/10.13039/501100011033 (Spanish Ministry of Science and Innovation) and European Union NextGenerationEU/PRTR. Clara Delgado-Sánchez also acknowledges financial support from Junta de Andalucía through post-doctoral Grant No. DC 01228 (PAIDI 2020), co-funded by the EU Fondo Social Europeo (FSE).
DS Repositorio Institucional de la Universidad de Huelva
RD 31 may 2026