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具有同步颜色和形状反应的仿生智能聚合物及其在软机器人和执行器中的应用
Yun Cong Luo1, Gui Qing Dang1, Heng Hui Tang1
1College of Textile Science and Engineering, Wuyi University, Jiangmen 529020, Guangdong, China.
ACS applied materials & interfaces
|September 2, 2025
概括
在模仿章鱼的启发下,科学家们开发出一种改变形状和颜色的聚氨. 这种智能材料具有可逆形状记忆效应和热色,可用于软机器人和智能织品.
科学领域:
- 材料科学
- 聚合物化学
- 生物仿真工程
背景情况:
- 模仿章鱼改变形状和颜色以避开捕食者.
- 开发模拟这些适应能力的材料非常有意义.
研究的目的:
- 设计一种双响应型聚氨 (PU),模仿章鱼的形状和颜色变化能力.
- 创建具有可逆形状记忆效应 (SME) 和同步热色的材料.
主要方法:
- 合成聚氨,使用晶体聚烯酸 (PCL) 作为软片段,并使用梅洛二醇 (MC(OH) 2) 作为链延长剂.
- 嵌入均分布的键作为内部应力提供者以恢复形状.
- 研究了PCL切换阶段和键对SME和热色的协同效应.
主要成果:
- 开发的PU表现出可逆形状记忆效应,平均可逆应变率为10.98%.
- 由于动态键的可逆性,该材料在广泛的温度范围内表现出可逆和无步变色 (浅粉色到深紫色).
- 一个双层PU/纸质复合材料显示可逆曲,适用于软执行器.
结论:
- 这项研究提出了一种简单的策略, 以模仿章鱼为灵感,
- 该材料的性能使其在软执行器,智能织品和先进的印刷技术中得到应用.
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