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Abstract

A series of polymerized high internal phase emulsion (polyHIPE) materials have been prepared by using a water in oil emulsion stabilized by a macro-RAFT agent, 2-(butylthiocarbonothioylthio)-2-poly(styrene)-b-poly(acrylic acid), acting as a polymeric surfactant. The pore structures of the formed polyHIPEs were closed. By removing the RAFT-endgroup of the amphiphilic macro-RAFT agent, the obtained polyHIPEs possessed an open structure with voids. The effect of the RAFT-endgroup of the amphiphilic macro-RAFT agent on the surface chemistry of the polyHIPEs is discussed. The obtained polyHIPEs via this surfactant-assisted functionalization strategies were characterized by FTIR spectroscopy, FTIR mapping, SEM, SEM-EDX, TEM, XPS as well as synchrotron-based scanning transmission X-ray microscopy (STXM). The latter technique revealed the surface chemistry of the obtained polyHIPEs and macro-RAFT agent multicomponents with a surface spatial resolution of the order of 30–100 nm.

Item Type:	Article
Authors/Creators:	Khodabandeh, A and Arrua, RD and Coad, BR and Rodemann, T and Ohigashi, T and Kosugi, N and Thickett, SC and Hilder, EF
Keywords:	polyHIPE, surface functionalization, STXM, RAFT, porous monolith, polymerization
Journal or Publication Title:	Polymer Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1759-9954
DOI / ID Number:	10.1039/c7py01770g
Copyright Information:	Copyright 2018 The Royal Society of Chemistry
Related URLs:	Google Scholar: Rodemann, T UTAS Profile: Rodemann, T Google Scholar: Thickett, SC UTAS Profile: Thickett, SC
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