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Type: Journal article
Title: Morphology control in polymerized high internal phase emulsion templated via macro-RAFT agent composition: visualizing surface chemistry
Author: Khodabandeh, A.
Arrua, R.
Coad, B.
Rodemann, T.
Ohigashi, T.
Kosugi, N.
Thickett, S.
Hilder, E.
Citation: Polymer Chemistry, 2018; 9(2):213-220
Publisher: Royal Society of Chemistry
Issue Date: 2018
ISSN: 1759-9954
Statement of
A. Khodabandeh, R. D. Arrua, B. R. Coad, T. Rodemann, T. Ohigashi, N. Kosugi, S. C. Thickett and E. F. Hilder
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.
Rights: This journal is © The Royal Society of Chemistry 2018
DOI: 10.1039/c7py01770g
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