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相关实验视频

Updated: Jul 17, 2025

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
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4D打印光驱动执行器与素光热转换模块.

Zechun Ren1, Kejiao Ding1, Xinyuan Zhou1

  • 1Material Science and Engineering College, Northeast Forestry University, Harbin 150040, China.

International journal of biological macromolecules
|August 31, 2023
PubMed
概括

本研究介绍了使用红外附近光响应形状记忆的素4D打印的聚乳酸 (PLA) 复合材料. 这些环保材料显示出作为执行器组件的潜力.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物科学 聚合物科学
  • 添加剂制造 添加剂制造 添加剂制造

背景情况:

  • 响应光的形状记忆聚合物提供远程和空间控制.
  • 聚乳酸 (PLA) 是一种用于3D打印应用的多功能聚合物.

研究的目的:

  • 开发可4D打印,近红外光响应的PLA复合材料.
  • 调查在PLA复合材料中使用素作为光热剂的用途.
  • 为了提高PLA复合材料的性能,用于4D打印应用.

主要方法:

  • 化混合PLA与3重量%的红素.
  • 加入二甲基过氧化物 (DCP) 来修改木质素结构并改善界面粘附.
  • 3D打印并对产生的复合材料进行表征.

主要成果:

  • 在近红外激光照射下,PLA复合材料表现出显著的光热效应.
  • 近红外激光照射有效启动和控制形状记忆.
  • DCP处理改善了界面粘附性,减少了分散相位大小,并为3D打印优化了质性质.
  • 复合材料表现出良好的机械和热稳定性.
关键词:
通过3D打印打印3D打印.在Lignin的基础上.形状记忆中的形状记忆.

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结论:

  • 建立了一种实用且环保的方法来创建光敏的4D打印PLA复合材料.
  • 素作为一种有效的光热剂,使光感应形状记忆成为可能.
  • 这些复合材料在各种应用中显示出作为执行器组件的前景.