| Title | Recyclability and self-healing capability in reinforced ionic elastomers |
|---|---|
| ID_Doc | 18218 |
| Authors | Utrera-Barrios, S; Mas-Giner, I; Manzanares, RV; Verdejo, R; López-Manchado, MA; Santana, MH |
| Title | Recyclability and self-healing capability in reinforced ionic elastomers |
| Year | 2024 |
| Published | |
| Abstract | This study presents a comparative analysis of different sustainable alternatives for producing reinforced ionic elastomers that are not just mechanically robust but also excellent in recyclability and self-healing, marking a significant advancement in sustainable materials science. Ionically crosslinked carboxylated nitrile rubber (XNBR) was combined with conventional (carbon black and silica) and sustainable (cellulose and ground tire rubber) fillers. The sustainable fillers not only enhanced the mechanical performance (reinforcing character) but also maintained high healing efficiencies (>80 %). Notably, the incorporation of just 10 phr of waste-based ground tire rubber (GTR) produced by water jet grinding (WJ-GTR) resulted in a material capable of complete repair and recycling (100 % efficiency) after temperature-driven protocols, with mechanical properties and a reinforcement index comparable to those of conventional fillers such as silica. This achievement represents a major breakthrough in the field of sustainable composites, as it offers a unique blend of robust mechanical properties and environmental sustainability. |
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