摘要
设计了一个综合性实验,将荧光稀土液晶高分子防伪膜的制备和现代分析测试技术应用于高分子专业的教学实验中,以提高学生的综合实践能力。实验包括荧光稀土液晶高分子的制备、表征、防伪性能评价3大部分。采用FTIR、荧光光谱仪、POM、XRD、TG表征荧光稀土液晶高分子的结构与性能;制备荧光稀土液晶高分子防伪膜对其防伪性能进行评价,给整个实验增添趣味性与实用性。通过开设该实验,可让学生了解功能高分子的前沿知识及现代分析测试技术的基本原理和用途,掌握专业的实验操作与数据处理方法,提高学生的综合实践能力和专业素质。学生实验证明该综合实验适用于本科实验教学。
In order to acquaint students with the properties and applications of functional polymer materials,a research-oriented comprehensive experiment is developed.The preparation of fluorescent rare earth liquid-crystalline polymer anti-counterfeiting film and modern analytical techniques are applied to the research-oriented comprehensive experiment for polymer specialty in order to improve the innovative and practical abilities of students.The experiment includes preparation,characterization and anti-counterfeiting evaluation of fluorescent rare earth liquid crystal polymers.The chemical structures and performances of luminescent rare earth liquid-crystalline polymers are characterized by FT-IR spectroscopy,polarizing optical microscopy,X-ray diffraction,fluorescence spectrometer and thermogravimetric analysis.In order to evaluate the anti-counterfeiting property,the anti-counterfeiting film of fluorescent rare earth liquid crystal polymers is prepared.The interests and practicality are also improved by the preparation of anti-counterfeiting film.Based on this experiment,students can learn about frontier knowledge of functional polymers and basic principles and purpose of modern analysis technology,as well as the experimental operation skills,data processing skills,which can enhance the professional quality and comprehensive abilities of students.The comprehensive experiment is suitable for experimental teaching of undergraduate.
作者
么冰
黄子玉
佟奕
陈艳
YAO Bing;HUANG Zi-Yu;TONG Yi;CHEN Yan(College of Chemistry and Chemical Engineering,Xuzhou University of Technology,Xuzhou 221111,China)
出处
《化学教育(中英文)》
CAS
北大核心
2020年第18期44-47,共4页
Chinese Journal of Chemical Education
基金
江苏省高等学校自然科学研究面上项目(19KJB430038)
徐州工程学院高等教育教学研究课题(YGJ1914)。
关键词
综合实验
功能高分子
荧光稀土液晶
本科实验教学
comprehensive experiment
functional polymer
fluorescent rare earth liquid crystal
experimental teaching of undergraduate