膜科学与技术

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Preparation and characterization of micro-patterned PES membranes

Authors： WAN Weina 1,2 ZHANG Yuzhong1,2*, LIN Ligang 1,2, DING Xiaoli 1,2, LI Hong 1,2

Units： 1.School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300160, China; 2.Key Laboratory of Hollow Fiber Membrane Material and Membrane Process of Ministry of Education, Tianjin Polytechnic University, Tianjin 300160, China

KeyWords： membrane； micro-pattern,；PES； mold

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2012,32(4):1-5

Abstract：

Micro-patterned membrane has an expansive prospect in many fields, such as tissue scaffolds, micro-fluidic devices and porous molds for micro-contact printing, which has caused attention by the researchers in recently years. Perfectly micro-patterned polyethersulfone (PES) membrane was produced by non-solvent induced phase separation (NIPS) using a micro-structured wafer mold, and the effects of preparing conditions on the characters of micro-pattern, structure and performance were carefully studied. Using the micro-pattern mold the fabrication of micro-patterned membrane with tunable properties such as water flux, water contact angle, porosity and tensile strength were described. The results shown that micro-patterned PES membrane by means of mold with neat tiny pattern, the pattern of structure was influenced by casting concentration of PES. The test about water contact angle, porosity and water flux showed that micro-patterned membrane had higher water contact angle, higher porosity and water flux ; Mechanical performance of micro-patterned membrane has a little change.

Funds：

国家自然科学基金(50973083、21006070)；天津市应用基础及前沿技术研究计划重点项目(11JCZDJC23700、11JCZDJC21200)；高等学校博士学科点专项科研基金(20091201120002)；天津市高等学校科技发展基金计划项目基金（20090514）；中空纤维膜材料与膜过程省部共建国家重点实验室培育基地开放课题。

AuthorIntro：

万伟娜（1986-），女，山东烟台人，硕士生，从事微图案膜方面的制备及应用研究。* 通讯联系人< zhangyz2004cn@163.com>

Reference：

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