摘要
通过大气压下低温等离子体射流对材料表面进行处理,可以极大地提高材料表面的亲水性。该方法有别于传统的共混、表面接枝和界面聚合等方法对膜材料亲水性改性,利用悬浮电极射流源产生的等离子体化学活性强、气体温度低,而且操作简单、成本低廉。通过水接触角测量仪测量射流处理前后材料表面的水接触角,从而表征材料表面亲水性改性。该实验可以吸引学生的注意力,帮助学生加深了解材料及物理等交叉学科基本知识,培养学生运用材料物理基础理论知识和实验技能进行材料研究开发的基本能力,可为中国大学材料及物理相关专业的本科实验教学提供参考和启示。
The low temperature atmospheric pressure plasma jet is applied to treat the material surface,which has been demonstrated to significantly improve the material hydrophilicity.Material modification by plasma jet with the floating electrode has a variety of promising advantages,including enhanced plasma chemistry,low gas temperature,easy control and low cost,which is distinct from traditional surface grafting and interfacial polymerization methods.Before and after plasma treatment,the water contact angle is measured to characterize the modification of material hydrophilicity.Based on this vivid teaching method,it can attract the student＇s attention and cultivate them to understand the basic knowledge of interdisciplinary material physics.This paper is considered to provide references to undergraduate experimental teaching and help students to improve the ability of studying the material science and technology with the basic theoretical knowledge and experimental skills.
出处
《实验技术与管理》
CAS
北大核心
2015年第12期57-59,62,共4页
Experimental Technology and Management
基金
国家自然科学基金项目(11465013)
江西省教改项目"物理类创新实验模块实践及实施效果研究"(XJG-14-1-32)
关键词
材料表面
亲水性改性
大气压低温等离子体射流
大学实验教学
material surface
material hydrophilicity modification
low temperature atmospheric pressure plasma jet
undergraduate experimental teaching
