改性聚乙烯醇膜对二氧化碳分离应用综述  

Advances of modified polyvinyl alcohol membrane on separation of carbon dioxide

作　　者：陈国利 张新儒[1] 王永洪[1] 刘成岑[1] 凌军 CHEN Guo-li;ZHANG Xin-ru;WANG Yong-hong;LIU Cheng-cen;LING Jun(College of Chemistry and Chemical Engineering,Taiyuan University of Technology,Taiyuan 030024,China;Technology Centre,China Tobacco Yunnan Industrial Co.,Ltd.,Kunming 650231,China)

机构地区：[1]太原理工大学化学化工学院,山西太原030024 [2]云南中烟工业有限责任公司技术中心,云南昆明650231

出　　处：《应用化工》2019年第7期1715-1719,共5页Applied Chemical Industry

基　　金：山西省高等学校科技创新项目(2015114)

摘　　要：以PVA为基体,综述了聚乙烯醇气体分离膜经接枝和共混改性对二氧化碳气体分离性能的影响。PVA膜的改性能调整膜的结构和形态,能提高PVA分离膜的渗透性和选择性,使其朝着对气体分离有利的方向发展。最后,对改性的PVA膜在气体处理领域的工业应用前景进行了展望。The effects of polyvinyl alcohol (PVA) membranes on the carbon dioxide gas separation performance are reviewed.As a polymer matrix,modification method of PVA includes grafting or blending.It has been found that the internal structure and morphology of the modified PVA membrane are changed.The modification of the gas separation membrane makes it develop in a favorable direction,and improves gas separation performance.Finally,the application of modified PVA membranes is prospected in the field of gas treatment.

关 键 词：聚乙烯醇 二氧化碳 分离 膜 接枝改性 共混改性 

分 类 号：TQ028.1[化学工程]