Digital Light Processing of Soft Robotic Gripper with High Toughness and Self-Healing Capability Achieved by Deep Eutectic Solvents

Cong Wei Huang, Si Chun Wen, Chuan Hsun Hsiao, Chen Zhen Zhang, Kuan Chung Lin, Sheng Sheng Yu

研究成果: Article同行評審

摘要

Inspired by nature's flexible and adaptable organisms, soft robotics are motorless robots made from highly compliant materials to work in confined environments and manipulate delicate objects. However, soft robots often suffer from early failure because of unexpected damage. At the same time, it is challenging to manufacture the geometrically complex structures of soft robots. This study introduces resins based on deep eutectic solvents (DES) to fabricate a pneumatically driven soft gripper using digital light processing (DLP). The resins consist of choline chloride (ChCl) as a hydrogen bond acceptor, glycerol (Gly), and acrylamide (AAm) as hydrogen bond donors. By utilizing the intense hydrogen bonding within DES, the resin can be rapidly cured by photopolymerization to form tough ionogels without chemical crosslinkers. The DES ionogels exhibit remarkable toughness and self-healing performance compared to common hydrogels. Furthermore, the ionogels show not only efficient energy-dissipating behavior but also achieve rapid self-recovery. Finally, the DLP-printed soft gripper from the DES-based resin performs successful actuation and healing of macroscopic damages. This work presents a simple strategy to 3D print a soft robotic gripper with high toughness and self-healing capability.

原文English
期刊Advanced Functional Materials
DOIs
出版狀態Accepted/In press - 2024

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 一般化學
  • 生物材料
  • 一般材料科學
  • 凝聚態物理學
  • 電化學

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