无需胶水，硅胶与亮面纸可快速粘合又可酒精剥离，适合软体机器人快速迭代。
Instant and Reversible Adhesive-free Bonding Between Silicones and Glossy Papers for Soft Robotics
- 通过接触实现无胶粘合，界面强度超61 kPa。
- 酒精浸泡可完全剥离并重复使用，性能不变。
- 适合需要快速试错和环保回收的软机器人设计。
将硅胶与非延展性材料结合是制造流体驱动软执行器的常用策略，但传统方法常依赖不可逆胶粘剂或耗时的嵌入工艺。本文提出硅胶-亮面纸粘合（SGB）技术，一种快速、无胶、可逆的粘接方法，仅通过接触即可形成牢固界面。SGB界面承受高机械载荷（剪切强度 > 61 kPa），可通过乙醇浸没完全分离并重新组装，性能无损，支持组件重复使用与快速重构。表征表明，亮面纸表面官能团与硅胶模量主导粘附行为，而耐久性与环境响应揭示可逆脱粘条件。结果表明氢键与低聚物扩散协同作用，实现强且可重构的粘附。采用SGB设计的软执行器性能不低于甚至优于传统嵌入式结构，支持收缩、弯曲、扭转等可编程驱动模式。该方法简化了制造流程，同时支持复用与快速迭代，为软体机器人提供了可扩展、可持续的快速原型平台。
原文摘要 · Abstract (English)
Integrating silicone with non-extensible materials is a common strategy used in the fabrication of fluidically-driven soft actuators, yet conventional approaches often rely on irreversible adhesives or embedding processes that are labor-intensive and difficult to modify. This work presents silicone-glossy paper bonding (SGB), a rapid, adhesive-free, and solvent-reversible bonding approach that forms robust silicone-paper interfaces simply through contact. The SGB interface withstands high mechanical loads (shear strength > 61 kPa) and can be fully detached and reassembled via ethanol immersion without loss of performance, enabling component reuse and rapid redesign. Characterization studies indicate that surface functional groups primarily govern adhesion on the glossy paper and the modulus of the silicone, while durability and environmental response clarify the conditions for reversible debonding. The results further suggest a synergistic interaction of hydrogen bonding and oligomer diffusion, yielding strong yet reconfigurable adhesion. Soft actuators fabricated using SGB design exhibit equal or greater performance compared to conventional embedded-layer design and enable programmable actuation modes, including contraction, bending, and twisting. By simplifying fabrication while supporting reuse and rapid iteration, SGB offers a scalable and sustainable platform for rapid prototyping in soft robotics.
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