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Journal of Macromolecular Science, Part A
Pure and Applied Chemistry
Volume 36, 1999 - Issue 4
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Original Articles

SPECIALTY POLYMERIC MEMBRANES. 11. PERVAPORATION OF BENZENE/CYCLOHEXANE MIXTURES THROUGH POLY(VINYL ALCOHOL)-GRAFT-POLY(ACRYLIC ACID) MEMBRANES

MASAKAZU YOSHIKAWA Department of Polymer Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Kyoto, 606-8585, Japan
,
TOSHIHIRO MOTOI Department of Polymer Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Kyoto, 606-8585, Japan
&
KEISUKE TSUBOUCHI Department of Polymer Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Kyoto, 606-8585, Japan
Pages 621-631 | Received 14 Aug 1998, Published online: 07 Feb 2007
 
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Abstract

Poly(viny alcohol)-graft-poly(acrylic acid) was prepared by graft polymerization of acrylic acid onto poly(vinyl alcohol) initiated by ceric ammonium nitrate. Membranes prepared from grafted poly(vinyl alcohol) permeated benzene from benzene/cyclohexane mixtures by pervaporation. Permselectivity toward benzene increased with the increase in poly(acrylic acid) content in the membrane, and the separation factor reached around 10.

ACKNOWLEDGEMENT

A part of this work has been conducted by support of the Petroleum Energy Center (PEC) subsidized from the Ministry of International Trade and Industry.

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