RAFT engineered polymeric material with pendant furan groups that reversibly attach to the surface of multiwalled carbon nanotube (MWCNT) was developed. Thermoresponsive furan-maleimide (FMI) Diels-Alder dynamic covalent bonding was utilized and MWCNT reinforcement greatly improved the strength, functionality and performance of newly enhanced polymer architecture. Less than 1% CNT loading proved sufficient in creating stronger and powerful polymer materials by reversible bonding of excess furan groups to MWCNT surface, which facilitates facile and responsive bonding of the polymer matrix to nanoscale reinforcement. Self-healing experiments revealed excellent dynamic character of the resulting materials and this is due to the thermoresponsive property of FMI units. It was observed that this nanoscale reinforcement strategy enhances mechanical, thermal and electrical properties of the materials.

Carbon nanotube enhanced dynamic polymeric materials through macromolecular engineering

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.