新型高性能NH2-MIL-125(Ti)/聚芳醚砜反应性杂化超滤膜  

Novel high performance NH2-MIL-125(Ti)/PAES-CF3-COOH reactive hybrid ultrafiltration membrane

作　　者：耿文哲 冯永 王馨昱 耿直[1] 霍明昕[1] GENG Wen-zhe;FENG Yong;WANG Xin-yu;GENG Zhi;HUO Ming-xin(School of Environment,Northeast Normal University,Changchun 130117,China)

机构地区：[1]东北师范大学环境学院,吉林长春130117

出　　处：《东北师大学报（自然科学版）》2020年第4期143-150,共8页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(51508078);吉林省教育厅“十三五”科学技术研究项目(JJKH20180021KJ).

摘　　要：采用分子设计方式,将具有高太阳光响应能力的光催化剂NH2-MIL-125(Ti)与含氟聚芳醚砜基体材料PAES-CF3-COOH进行接枝反应,得到了NH2-MIL-125(Ti)/PAESCF3-COOH杂化材料,制备了反应性杂化超滤膜.通过红外光谱、扫描电镜、接触角测试等方式测试了其物理化学性能;通过超滤实验分析了超滤膜的分离性能、抗污染能力、自清洁效能和抗光催化老化能力.结果表明:通过化学键接枝的方式制备的反应性杂化超滤膜具有优异的分离性能,抗污染能力得到了提升;超滤膜的通量恢复率显著提升,具有较高的太阳光响应能力;光照前后对污染物的截留率未发生明显变化,具有较好的自清洁抗污染效能和抗光催化老化能力.NH2-MIL-125(Ti)/PAES-CF3-COOH hybrid material was prepared by molecular design method,grafted the NH2-MIL-125(Ti)with high solar responsiveness to fluorine-containing polyaryl ether sulfone matrix material.A serious of reactive hybrid ultrafiltration membranes were prepared by NH2-MIL-125(Ti)/PAES-CF3-COOH hybrid material.The physical and chemical properties of ultrafiltration membranes were tested by FT-IR,SEM and contant angle testing.And the separation performance,anti-pollution ability,self-cleaning performance and anti-photocatalytic aging ability of the ultrafiltration membranes were tested by ultrafiltration cup experiments.The results show that the reactive hybrid ultrafiltration membranes have excellent separation performance,high self-cleaning anti-pollution ability under solar light and anti-photocatalytic aging ability.

关 键 词：超滤膜 太阳光响应 自清洁 抗污染 

分 类 号：X79[环境科学与工程—环境工程]