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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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Redes de cristal líquido adaptable covalente habilitadas por cascadas de apertura de anillo reversible de disulfuros
Shuai Huang1, Yikang Shen1, Hari K Bisoyi2
1Institute of Advanced Materials, School of Chemistry and Chemical Engineering, and Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China.
Journal of the American Chemical Society
|July 19, 2021
Resumen
Los investigadores desarrollaron nuevas redes de cristales líquidos autocurables y programables en forma (LCN) utilizando enlaces covalentes dinámicos. Esta innovación permite materiales robóticos blandos reciclables y diversos, superando las limitaciones anteriores.
Área de la Ciencia:
- Ciencias de los materiales
- Química de los polímeros
- Robótica suave
Sus antecedentes:
- Las redes de cristales líquidos adaptables covalentes (LCN) ofrecen autocuración y programabilidad de forma para la robótica blanda.
- Las estrategias actuales de diseño molecular limitan la reciclabilidad del material y la diversidad arquitectónica.
Objetivo del estudio:
- Desarrollar LCN adaptados covalentes basados en polidisulfuro fotorresponsivos con mayor reciclabilidad y diversidad arquitectónica.
- Para superar las limitaciones en la fabricación sustractiva de dispositivos fotomecánicos.
Principales métodos:
- Fabricación de LCN a través de la polimerización de apertura de anillo de los grupos cíclicos de tiolano.
- Utilizando la metástasis de disulfuro para la auto-curación del material, la remodelación y la reprogramación.
- Utilizando la despolimerización catalítica para el reciclaje de monómeros.
Principales resultados:
- Se han sintetizado con éxito LCN adaptables covalentes basados en polidisulfuro fotorresponsivos.
- Demostrado auto-curación, la remodelación, y las capacidades de reprogramación.
- Se ha conseguido el reciclaje de monómeros mediante la despolimerización catalítica, lo que permite un proceso de fabricación más sostenible.
Conclusiones:
- Los LCN desarrollados ofrecen un enfoque rentable y ecológico para crear robótica blanda funcional.
- Esta estrategia mejora la programabilidad y la renovabilidad de los materiales, ampliando las aplicaciones en la robótica suave.
- El trabajo proporciona un avance significativo en materiales sostenibles para aplicaciones robóticas avanzadas.
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