淀粉基高吸水树脂微波合成及其性能的综合实验教学设计

Instructional Design for Comprehensive Experiment of Microwave Synthesis and Performance of Starch-Based Super Absorbent Polymer

为了达成工程认证教育的培养要求,设计了"淀粉基高吸水树脂微波合成及其性能"综合实验。实验包括淀粉基高吸水树脂的微波辅助合成、结构表征及产品性能测定等内容;要求学生查阅文献,了解各种制备工艺并设计实验方案,掌握衰减全反射傅里叶红外光谱与X射线衍射等表征技术及树脂溶胀性能测定技术,分析实验数据。另外,设计了融合过程考核与结果考核的考核体系,通过实验设计、实验操作与数据分析等环节全面考核学生的综合实验能力。该实验教学方案不仅提高教学质量,还激发学生实验兴趣,培养其创新思维与应用实践能力。

In order to meet the requirements of engineering education certification,a comprehensive experiment of microwave synthesis and performance of starch-based super absorbent polymer was designed.The experiment involved the microwave-assisted synthesis,characterization and performance measurement of the super absorbent polymer based on starch and acrylic acid.In this experiment,students were required to consult literatures,understand various processes of preparation of super absorbent polymer and design the experimental scheme,master characterization technologies of ATR-FTIR and XRD and the testing technology of the swelling performance,and analyze the experimental data.In addition,an examination that integrated the process examination and result examination was also designed.Based on the teaching links such as experimental design,operation and data analysis,this examination could comprehensively evaluate the students’experimental abilities.This teaching scheme of the experiment not only improved the teaching quality,but also stimulated the students’interests in experiments and highlighted the cultivation of students’creative thinking as well as practical ability.