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马兰戈尼效应驱动的格式凝的运动,具有进化的形状变化和多种运动模式
Hui Ying Bai1, Rui Hao Chen1, Iek Man Lei2,3
1Ministry of Education Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China.
ACS applied materials & interfaces
|January 20, 2026
概括
这项研究引入了有图案的凝,可以自主改变形状和运动模式. 这些适应性凝利用马兰戈尼效应进行可编程推进,推进软机器人和货物运输.
科学领域:
- 软机器人软机器人 软机器人软机器人
- 材料科学 材料科学 材料科学
- 流体动力学 流体动力学
背景情况:
- 马兰戈尼效应是由界面张力梯度驱动的,使机器人在机器人学中实现自主运动.
- 传统的马兰戈尼效应系统由于预先确定的材料形状和组成而具有固定的运动模式.
- 了解溶剂释放动态和凝几何是控制运动行为的关键.
研究的目的:
- 为了证明一种有图案的凝能够在马兰戈尼效应驱动的推进过程中自发地改变形状和运动模式.
- 探索用于软机器人和货物运输应用的自适应机 locomotion.
- 为了整合不同的凝类型,具有不同的溶剂释放和胀行为.
主要方法:
- 制造一个有图案的凝,整合两种具有不同特性的凝类型.
- 在凝矩阵中使用乙醇作为低表面张力溶剂.
- 当凝被放置在水面上时,观察推进和运动模式的转换.
主要成果:
- 有图案的凝表现出由乙醇释放和界面张力梯度驱动的自主推进.
- 凝的几何和依赖时间的溶剂扩散导致持续的重塑.
- 观察到不同运动模式之间的自主过渡 (例如,旋转到翻译,方向逆转).
结论:
- 带有集成材料的有图案的凝通过自主模式切换实现可编程和自适应的运动.
- 这种方法为软机器人和货物交付系统中的机动车提供了一个新的范式.
- 凝的动态重塑允许控制,时间变化的推进模式.
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