Preparation and Performance of Solvent Resistance Poly(diphenylacetylene) Nanofiltration Membranes

doi:10.11944/j.issn.1000-0518.2017.04.160297

Chinese Journal of Applied Chemistry ›› 2017, Vol. 34 ›› Issue (4): 443-448.DOI: 10.11944/j.issn.1000-0518.2017.04.160297

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Preparation and Performance of Solvent Resistance Poly(diphenylacetylene) Nanofiltration Membranes

ZHANG Ying^a,HU Yanming^b,LI Zhansheng^a^*(),XU Jie^a,XIA Yuping^a,MASUDA Toshio^c

^aSchool of Chemical Engineering,Dalian university of technology,Dalian,Liaoning 116024,China
^bChangchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China
^cDepartment of Environmental and Biological Chemistry,Fukui University of Technology,Fukui 910-8505,Japan

Received:2016-07-18 Accepted:2016-10-08 Published:2017-03-31 Online:2017-03-31
Contact: LI Zhansheng
Supported by:
Supported by the National High Technology Research and Development Program of China(No.2015AA033802), the Fundamental Research Funds for the Central Universities(No.DUT14ZD223, No.DUT11LK14)

Abstract

Abstract:

Poly(diphenylacetylene)(PDPA) is insoluble in organic solvents which makes it a new type promising membrane material for solvent resistant nanofiltration. PDPA membranes were obtained by desilylation of poly[1-phenyl-2-[p-(trimethylsilyl)phenyl]acetylene](PTMSDPA) dense membranes, which were prepared by solution-casting method. The permeation of pure ethanol and the retention of dye/ethanol solutions were investigated. The ethanol permeability of the PDPA membrane increases linearly with increased applying pressure. The transport mechanism for solvents in PDPA membrane can fall in the transition range between a pore flow and a solution diffusion mechanism. Moreover, the dye retention of the PDPA membrane is controlled by the molecular size of the dyes, the charge character and interaction between the dyes and the membrane.

Key words: poly(diphenylacetylene), solvent resistant nanofiltration, dye retention

ZHANG Ying, HU Yanming, LI Zhansheng, XU Jie, XIA Yuping, MASUDA Toshio. Preparation and Performance of Solvent Resistance Poly(diphenylacetylene) Nanofiltration Membranes[J]. Chinese Journal of Applied Chemistry, 2017, 34(4): 443-448.

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Preparation and Performance of Solvent Resistance Poly(diphenylacetylene) Nanofiltration Membranes

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