Issue 11, 2012

An efficient synthetic strategy for high performance polysulfone: ionic liquid/zwitterion as reaction medium

Abstract

Herein we report the novel use of ionic liquid (IL)/zwitterion (ZI) as a reaction medium for the efficient synthesis of polysulfones (PSFs) with high molecular weight and high yield. The results showed that ZI can significantly improve the solubility of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A), and an intermediate sulphonic-type IL with high acidity was formed by ZI and bisphenol A, resulting in 80% reduction in dehydration time compared with conventional methods.

Graphical abstract: An efficient synthetic strategy for high performance polysulfone: ionic liquid/zwitterion as reaction medium

Supplementary files

Article information

Article type
Paper
Submitted
08 May 2012
Accepted
12 Sep 2012
First published
12 Sep 2012

Green Chem., 2012,14, 3204-3210

An efficient synthetic strategy for high performance polysulfone: ionic liquid/zwitterion as reaction medium

J. Wang and Z. Liu, Green Chem., 2012, 14, 3204 DOI: 10.1039/C2GC35704F

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