Covalently bonded functionalized multi-walled carbon nanotubes and cellulose for electroactive paper actuator

Sungryul Yun; Kiju Yun; Jaehwan Kim

doi:10.1117/12.815580

31 March 2009 Covalently bonded functionalized multi-walled carbon nanotubes and cellulose for electroactive paper actuator

Sungryul Yun, Kiju Yun, Jaehwan Kim

Author Affiliations +

Proceedings Volume 7289, Behavior and Mechanics of Multifunctional Materials and Composites 2009; 72891K (2009) https://doi.org/10.1117/12.815580
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

A cellulose solution was prepared by dissolving cotton pulp in LiCl/DMAc solution. Functionalized multi-walled carbon nanotubes (MWNTs) were reacted with N, N-Carbonyldiimidazoles to obtain MWNTs-imidazolides. By acylation of cellulose with MWNTs-imidazolides, MWNTs were covalently bonded with cellulose. Using the product, MWNTs- Cellulose (M/C) composite were fabricated and its characteristics were investigated by FT-IR and Raman spectroscopy, scanning electron microscopy and Young's modulus. The presence of covalent bonds remarkably enhanced mechanical property of M/C composite, which improved its actuator performance. The actuator performance of M/C EAPap is investigated in terms of bending displacement and resonance frequency depending on humidity level.

Citation Download Citation

Sungryul Yun, Kiju Yun, and Jaehwan Kim "Covalently bonded functionalized multi-walled carbon nanotubes and cellulose for electroactive paper actuator", Proc. SPIE 7289, Behavior and Mechanics of Multifunctional Materials and Composites 2009, 72891K (31 March 2009); https://doi.org/10.1117/12.815580

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