膜科学与技术

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Preparation and characterization of antibacterial polyethersulfone (PES) UF membrane by blending copolymers containing capsaicin derivative moiety

Authors： WANG Jian, GAO Xue-li*, WANG Han-min, HUANG Xing, GAO Cong-jie

Units： College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

KeyWords： N-(5-methyl-3-isobutyl-2-hydroxy-benzyl)-acrylamid; polyethersulfone; blend; antibacterial activety

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2013,33(3):12-16

Abstract：

Antibacterial membrane was prepared through phase conversion method by blend of polyethersulfone (PES) and copolymers containing capsaicin derivative moiety. Terpolymer of methyl methacrylate (MMA), acrylic acid (AA) and N-(5-methyl-3-isobutyl-2-hydroxy-benzyl)-acrylamid (MBHBA) was developed and then verified through FTIR analysis. The influence of terpolymer content in the casting solution to the performance of prepared PES membrane was investigated. The results indicate that the modified PES ultrafiltration membrane containing 1% terpolymer shows the best separation performance. The pure water flux and BSA rejection rate is 183.8 L•m-2•h-1 and 93.8% separately, which is slightly higher than that of the pristine membrane. However, the water contact angle of the membrane is decreased largely, from 74°to 57°. What’s more, the antibacterial activity of the modified membrane is improved significantly from 20% to 76%.

Funds：

国家自然科学基金（21006100）和国家973计划（2009CB623402）资助项目

AuthorIntro：

王剑(1985-)，男，山东省潍坊市人，在读研究生，研究方向为膜材料开发及膜制备，E-mail:swordking8856@163.com。 *高学理（通讯联系人），男，高级工程师，E-mail:gxl_ouc@126.com。

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