Comprehensive Chemical Experiment Design: Regulation of Stimulus-Responsive Color Change of Rhodamine Mechanophore by Poly(methyl methacrylate)/Polyurethane Interpenetrating Polymer Networks

WANG Yi-cheng; CHENG Xin; HU Huan; MA Zhi-yong

doi:10.14028/j.cnki.1003-3726.2025.25.026

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Comprehensive Chemical Experiment Design: Regulation of Stimulus-Responsive Color Change of Rhodamine Mechanophore by Poly(methyl methacrylate)/Polyurethane Interpenetrating Polymer Networks

更新时间：2025-05-23

- Comprehensive Chemical Experiment Design: Regulation of Stimulus-Responsive Color Change of Rhodamine Mechanophore by Poly(methyl methacrylate)/Polyurethane Interpenetrating Polymer Networks
- Polymer Bulletin Vol. 38, Issue 6, Pages: 950-957(2025)
- 作者机构：
  
  1.北京化工大学化学工程学院，北京 100029
  2.北京化工大学有机无机复合材料全国重点实验室，北京 100029
  3.北京化工大学材料科学与工程学院，北京 100029
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.25.026
  CLC：
- Received：17 January 2025，
  
  Accepted：04 March 2025，
  
  Published Online：16 April 2025，
  
  Published：20 June 2025
- 稿件说明：
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王艺澄, 程鑫, 胡欢, 马志勇. 综合化学实验设计: 聚丙烯酸甲酯/聚氨酯互穿网络对罗丹明基团刺激响应变色的调控作用. 高分子通报, 2025, 38(6), 950-957.

Wang, Y. C.; Cheng, X.; Hu, H.; Ma, Z. Y. Comprehensive chemical experiment design: regulation of stimulus-responsive color change of rhodamine mechanophore by poly(methyl methacrylate)/polyurethane interpenetrating polymer networks. Polym. Bull. (in Chinese), 2025, 38(6), 950-957.
王艺澄, 程鑫, 胡欢, 马志勇. 综合化学实验设计: 聚丙烯酸甲酯/聚氨酯互穿网络对罗丹明基团刺激响应变色的调控作用. 高分子通报, 2025, 38(6), 950-957. DOI： 10.14028/j.cnki.1003-3726.2025.25.026.

Wang, Y. C.; Cheng, X.; Hu, H.; Ma, Z. Y. Comprehensive chemical experiment design: regulation of stimulus-responsive color change of rhodamine mechanophore by poly(methyl methacrylate)/polyurethane interpenetrating polymer networks. Polym. Bull. (in Chinese), 2025, 38(6), 950-957. DOI： 10.14028/j.cnki.1003-3726.2025.25.026.

摘要

设计了一种综合化学实验，旨在通过制备和表征罗丹明衍生物共聚聚氨酯以及聚丙烯酸甲酯/聚氨酯（PMA/PU）互穿网络（IPN），探索调控聚合物的力致变色和光致变色性能，加深学生对亲核取代反应、聚合物互穿网络、力致变色和光致变色的理解。实验中将罗丹明衍生物共价嵌入聚氨酯网络制备聚合物

，再通过在丙烯酸甲酯中溶胀并进行光聚合制备聚合物

。利用傅里叶红外光谱、原位荧光光谱等对材料的力致变色和光致变色行为进行表征。通过IPN结构的预拉伸效应和自由体积调控，使罗丹明的力致变色灵敏度提高并抑制其光致变色。该实验立足前沿高分子力化学领域，内容新颖有趣，实现了多学科知识的深度交叉融合，有利于提升学生的科研实践能力和创新思维，适合作为材料类专业高年级本科生的综合性实验。

Abstract

A comprehensive chemical experiment was designed to explore the photochromic and photochromic properties of polymethyl methacrylate/polyurethane (PMA/PU) interpenetrating polymer networks (IPN) imbedded with rhodamine derivatives. In the experiment

rhodamine derivatives were covalently embedded in polyurethane network to prepare polymer

and then

was swollen in methyl acrylate and photopolymerized to prepare polymer

by photopolymerization. The mechanochromic and photochromic properties of

and

were characterized by Fourier transform infrared and in situ fluorescence spectra. Based on cutting-edge scientific research hotspots

the experiment is novel and interesting in content

and realizes the deep integration of multidisciplinary knowledge

which is conducive to improving students’ scientific research practice ability and innovative thinking

and is suitable for comprehensive experiments for senior undergraduates majoring in polymer materials.

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references

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