Bibliographic Details
| Title: |
Mechanically strong, stretchable and self-healable silicone elastomers with designed dynamic networks for exceptional self-adhesion under harsh conditions |
| Authors: |
Shuai-Chi Liu, Yu-Tong Li, Yu-Qing Qin, Ling Yang, Meng-Ying Liu, Ji Liu, Yang Li, Cheng-Fei Cao, Li-Xiu Gong, Shi-Neng Li, Guo-Dong Zhang, Long-Cheng Tang |
| Source: |
Advanced Industrial and Engineering Polymer Research, Vol 8, Iss 3, Pp 422-432 (2025) |
| Publisher Information: |
Elsevier BV, 2025. |
| Publication Year: |
2025 |
| Subject Terms: |
TP1080-1185, Dynamic networks, Mechanical flexibility, Self-healing, Silicone elastomer, Self-adhesion, Polymers and polymer manufacture, TA1-2040, Engineering (General). Civil engineering (General) |
| Description: |
Silicone elastomers with wide-temperature stability and excellent mechanical flexibility have attracted considerable interest in both academic and industrial fields. However, the highly cross-linked networks cannot self-heal and usually show poor adhesion to other substrates, limiting their sustainable applications in emerging fields. Developing self-adhesive organosilicon elastomers with high mechanical strength, superior stretchability, and exceptional self-healing performance remains a significant challenge. Herein, we propose a facile method to synthesize self-adhesive organosilicon elastomers with high mechanical strength, flexibility, and self-healing performance by designing dynamic networks. Specifically, multiple reversible physical and chemical bonds, such as disulfide bonds, hydrogen bonds, and Zn2+ coordination bonds, are integrated into the organosilicon chains via click reactions, carboxylic acid-amine condensation, and ionic coordination. The optimized organosilicon elastomers exhibit exceptional stretchability and mechanical properties, including an elongation at break of ∼5600 %, high strength (2.2 MPa), and toughness (54.38 MJ/m3), outperforming traditional organosilicon elastomers. Additionally, the as-prepared elastomers demonstrate remarkable self-healing ability, with 80–93 % healing efficiency at 25–60 oC, and excellent self-adhesion to various substrates (0.3–1.0 MPa on aluminum, steel, and wood). These properties are maintained under harsh conditions, including low temperature (−10 oC), saltwater, and organic solvents. Clearly, the organosilicon elastomers developed in this work hold significant potential as green and sustainable candidates for various self-adhesive applications. |
| Document Type: |
Article |
| Language: |
English |
| ISSN: |
2542-5048 |
| DOI: |
10.1016/j.aiepr.2025.05.003 |
| Access URL: |
https://doaj.org/article/4f6e98b965dd4037b3f490ceaa65e2ab |
| Rights: |
CC BY NC ND |
| Accession Number: |
edsair.doi.dedup.....a35a9007a0a79eb83ccdfe5fd93bde9a |
| Database: |
OpenAIRE |