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Citation: Quan Liu, Jian Feng, Yuekun Qu, Jiayao Bai, Xunian Ren, Qi Wang, Haitao Xu, Shengrui Zhang. “神笔马良”——基于热致变色染料的创意绘画科普演示实验[J]. University Chemistry, ;2026, 41(5): 149-158. doi: 10.12461/PKU.DXHX202511095 shu

“神笔马良”——基于热致变色染料的创意绘画科普演示实验

College of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong 723000, Shaanxi Province, China

Corresponding author: Quan Liu, liuq@snut.edu.cn
Received Date: 14 November 2025
Revised Date: 25 February 2026

荧烷染料作为氧杂蒽类染料的重要分支，是一类重要的杂环化合物，其结构具有受外部刺激发生显著变化这一特性，导致其颜色随之改变。荧烷染料优异的光物理性质使其作为生物活性结构、染料或荧光试剂在生物成像中具有相当大的应用。本科普实验以荧烷染料为功能基元，制备荧烷染料微胶囊。尝试将荧烷染料微胶囊配制成油墨，通过油画、水粉画方式演示热致变色现象。进一步，为便于幼儿园和小学低年级儿童体验，对现有染料油墨进行器材化改进，设计了装有油墨的变色画笔。画笔体积小巧质量轻，可随身携带，所有原料器材方便易得，可极大减少实验准备的工作量。通过实验互动与演示讲解让观众们感受到科学变化的神奇，激发观众对化学学科的浓厚兴趣。
- Fluorane,
- Dye,
- Thermochromic,
- Microcapsules,
- Demonstration experiment
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