基于OBE理念的精细化工实验教学设计——再生纤维素纤维增强聚乙烯醇膜的制备和力学性能  

Experimental Teaching Design of Fine Chemical Industry Based on OBE——Taking Preparation and Mechanical Properties of Polyvinyl Alcohol Films Reinforced with Regenerated Cellulose Fibers as an Example

作　　者：谢元健 晁会霞 曹小凤 杨惠 陈波 蔡平雄 XIE Yuanjian;CHAO Huixia;CAO Xiaofeng;YANG Hui;CHEN Bo;CAI Pingxiong(College of Petroleum and Chemical Engineering,Guangxi Key Laboratory of Green Chemical Materials and Safety Technology,Beibu Gulf University,Qinzhou 535011,Guangxi,China)

机构地区：[1]北部湾大学石油与化工学院广西绿色化工新材料与安全技术重点实验室,广西钦州535011

出　　处：《实验室研究与探索》2025年第4期156-161,共6页Research and Exploration In Laboratory

基　　金：广西高校中青年教师科研基础能力提升项目(2023KY0442);北部湾大学本科教学改革项目(2024JGA008);广西大学对口支援学科项目(2023B04);广西高等教育本科教学改革工程项目(2023JGA256,2024JGB286,2024JGB279)。

摘　　要：基于成果导向教育(OBE)理念对学生实践能力和创新能力的培养要求,设计了“再生纤维素纤维增强聚乙烯醇膜的制备和力学性能”的开放拓展性实验。实验内容围绕聚乙烯醇基复合膜制备、结构表征分析、力学性能测试及包装应用拓展等开展。通过教师引导,学生查阅文献了解聚乙烯醇基复合膜制备方法,设计实验方案,学习红外光谱、X-射线衍射、热重、扫描电镜等表征实验方法,掌握膜材料力学性能测试方法,利用Jade、Origin等软件处理分析实验数据。同时,建立过程和结果相融合的考核体系,使学生的实践能力得到全面考查。该实验教学设计突出了学生主体地位,增强了的学生思考能力和动手实践能力,也培养了学生的团队精神和创新思维。In order to respond to the requirements of the outcomebased education(OBE)concept on the cultivation of students’practical ability and innovation ability,an open and expansive experiment of“Preparation and Mechanical Properties of Regenerated Cellulose Fiber Reinforced Polyvinyl Alcohol(PVA)Film”is designed in the fine chemical experiment teaching.The experiment focuses on the preparation,structural characterization,mechanical properties testing and packaging application development of the PVA-based composite films.With the guidance of the teacher,the students consult literature to understand the preparation method of PVA-based composite films,design the experimental scheme,become proficient in the operation methods of infrared spectroscopy,X-ray diffraction,thermogravimetric,scanning electron microscopy and other characterization,master the test methods of mechanical properties of film materials,and process and analyze the experimental data by using Jade,Origin and other software.At the same time,an assessment system integrating process and result is established,so that students’practical ability can be comprehensively examined.The experimental teaching design highlights students’main position,enhances students’thinking ability and practical ability,and also cultivates students’team spirit and innovative thinking.

关 键 词：聚乙烯醇基复合膜 开放拓展性实验 教学设计 考核体系 

分 类 号：TQ01.4[化学工程] G642.423[文化科学—高等教育学]