在水凝中通过按需交叉链接进行时空度调制
Jihun Lee1, Rogerio M Castilho2,3, Sungmin Nam1,3,4
1Department of Mechanical Engineering, School of Engineering, University of Michigan, Ann Arbor, MI, USA.
Science advances
|October 10, 2025
概括
研究人员开发了一种新的水凝平台,用于精确控制材料特性. 这一创新使得软材料的性和度可以根据需求调整,用于先进的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 生物材料工程 生物材料工程
背景情况:
- 坚固的水凝为软机器人和生物电子提供了弹性和生物相容性.
- 对水凝力学进行精确的时空控制是一个重大挑战.
研究的目的:
- 介绍一个水凝平台,使性空间时间调节.
- 在3D水凝中实现用户定义的硬度和机械配置的调整.
主要方法:
- 在酸盐/聚烯胺双网水凝中嵌入碳酸 (CaCO3) 微粒.
- 使用直接墨水写作来进行CaCO3.3的空间控制.
- 使用葡萄糖-δ-乳进行时间激活和释放.
主要成果:
- 通过局部释放来证明离子交联的时空控制.
- 启用了水凝刚性和性的用户定义调整.
- 制造的3D水凝具有量身定制的机械性能.
结论:
- 开发的水凝平台为适应性,可重新配置和多功能软材料提供了多功能解决方案.
- 潜在的应用包括异性质冲击屏蔽,定向应变传感和3D打印的组织粘合剂.
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