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Updated: Jul 27, 2025

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

自组装的微执行器使用状液晶弹性体.

Yoo Jin Lee¹, Mustafa K Abdelrahman², Manivannan Sivaperuman Kalairaj¹

¹Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843, USA.

Small (Weinheim an der Bergstrasse, Germany)

|June 9, 2023

概括

此摘要是机器生成的。

研究人员开发了一种自下而上的方法来创建自组装液晶微执行器. 这种技术可以实现可控的3D形状变形,用于软机器人和生物医学设备中的应用.

关键词:

执行器执行器执行器液晶弹性体的液晶弹性体.微阵列是一个微阵列.自动组装的自动组装机对刺激有反应的聚合物.

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Last Updated: Jul 27, 2025

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Published on: May 20, 2018

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科学领域:

材料科学材料科学材料科学
软机器人软机器人软机器人软机器人
生物医学工程生物医学工程

背景情况:

传统的自上而下的处理限制了微尺度编程,3D形状变形材料,特别是非单轴变形.
开发用于控制微结构编程的方法对于先进的材料应用至关重要.

研究的目的:

引入一个简单的自下而上的制造方法,用于曲微型执行器.
为了研究合性兴奋剂度对液晶微驱动器自组装和曲行为的影响.

主要方法:

在3D微型模具中利用了液晶 (LC) 单体的自发自组,具有受控的性.
在液晶弹性体 (LCE) 微驱动器中改变了奇拉尔剂的度.
通过执行器的切割确认了不对称的分子对齐.

主要成果:

由于分子方向的变化,加热会诱导制造的微型执行器曲.
带有0.05%重量%奇拉性剂的LCE微执行器展示了针形状,在180°C时曲到27.2±11.3°.
较高的兴奋剂度减少了曲,而较低的度导致控制不良的曲.

结论:

这种自下自上自组装方法成功地创造了曲微型执行器.
控制的性和微观结构几何是实现所需的形状变形行为的关键.
这个平台为开发先进软机器人和生物医学设备提供了潜力.