大学化学 >> 2025, Vol. 40 >> Issue (8): 255-264.doi: 10.12461/PKU.DXHX202410038

化学实验 上一篇    下一篇

双层水凝胶的制备及其pH响应变形实验

王仲瑞, 孟玉雯, 王旭   

  1. 山东大学化学与化工学院, 济南 250100
  • 收稿日期:2024-10-09 录用日期:2024-12-05 发布日期:2025-07-19
  • 通讯作者: 孟玉雯, 王旭 E-mail:yuwen.meng@sdu.edu.cn;wangxu@sdu.edu.cn
  • 基金资助:
    山东省自然科学基金(ZR2023JQ008)；国家自然科学基金(21975145)

Preparation of Stimulus-Responsive Hydrogels and Their Actuation Behavior

Zhongrui Wang, Yuwen Meng, Xu Wang   

  1. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
  • Received:2024-10-09 Accepted:2024-12-05 Published:2025-07-19
  • Contact: Yuwen Meng, Xu Wang E-mail:yuwen.meng@sdu.edu.cn;wangxu@sdu.edu.cn

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摘要： 为了帮助化学专业的学生掌握高分子水凝胶的制备及其溶胀行为的调控方法，本实验设计了一个刺激响应型水凝胶及其驱动行为的综合性实验。该实验包括三部分：首先，学生通过自由基聚合反应制备响应性与非响应性水凝胶，以理解自由基聚合反应的基本原理；其次，利用两步法制备双层水凝胶，了解层次结构对水凝胶驱动行为的影响；最后，通过调节环境的pH来控制响应型水凝胶的溶胀程度，并研究双层水凝胶的驱动行为。本实验立足于前沿研究热点，既涵盖基础聚合方法制备高分子材料的内容，又涉及功能性胶体材料的性能表征，不仅能够夯实学生对胶体化学的理解，提高实验操作技能，还能加深学生对功能性高分子材料前沿研究的认知，有利于提高学生的综合培养质量。

关键词: 高分子水凝胶, 驱动器, 刺激响应, 静电相互作用, 化学综合实验

Abstract: This experiment aims to assist chemistry students in mastering the preparation of polymer hydrogels and the regulation of their swelling behavior by investigating stimuli-responsive hydrogels and their actuation mechanisms. The experiment is divided into three parts: First, students synthesize responsive and non-responsive hydrogels via free radical polymerization to grasp the fundamental principles of the polymerization process. Second, a two-step method is employed to create bilayer hydrogels, allowing students to explore the impact of layered structures on actuation behavior. Lastly, students adjust the environmental pH to control the swelling degree of the responsive hydrogels and examine the actuation behavior of the bilayer hydrogels. This experiment is rooted in cutting-edge research and encompasses both the preparation of polymer materials through basic polymerization techniques and the characterization of functional colloidal materials. It not only reinforces students’ understanding of colloid chemistry and enhances their experimental skills but also deepens their awareness of advancements in functional polymer material research, ultimately contributing to the overall quality of their training.

Key words: Polymer hydrogel, Actuator, Stimulus-response, Electrostatic interaction, Comprehensive chemical experiment