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Journal of Macromolecular Science, Part B
Physics
Volume 50, 2010 - Issue 1
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Original Articles

A Novel Hydrophilic Modification of PTFE Membranes Using In Situ Deposited PANI

Xin Wang Key Lab of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao, China
,
Yunxia Tian Key Lab of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao, China
,
Zhaobo Wang Key Lab of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao, China
&
Yong Tao Key Lab of Rubber-Plastics, Ministry of Education, Qingdao University of Science and Technology, Qingdao, China
Pages 172-178 | Received 06 Nov 2009, Accepted 13 Dec 2009, Published online: 20 Nov 2010
 
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Abstract

A new kind of polyaniline/polytetrafluoroethylene (PANI/PTFE) composite membrane has been successfully prepared by in situ deposition of PANI onto PTFE membranes during the aniline's dispersion polymerization. The PTFE membrane was plasma treated before the aniline polymerization; the induced alteration of morphology and surface properties accelerated the polymerization of aniline and increased the number density of the deposited PANI onto the PTFE surface. The surface properties and morphology of the membranes were characterized. The composite PANI/PTFE membrane exhibited an enhanced flux in salt water separation, which is up to 75% higher than the pristine membrane.

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