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Efficient preparation of macroporous poly(methyl methacrylate) materials from high internal phase emulsion templates

Althubeiti, Khaled; Horozov, Tommy

Authors

Khaled Althubeiti



Abstract

Thermo- and photo-initiated polymerization of emulsion templates for making macroporous poly(methyl
methacrylate) materials both suffer from low energy efficiency and require tedious sample preparation (removal
of inhibitors, inert atmosphere) or specialized equipment to be used. Here, an easy and efficient method for the
preparation of such open pore materials with up to 93% porosity is demonstrated by using redox-initiated polymerization
in the oil phase of high internal phase emulsion templates. The method eliminates the need of heating/
irradiation and monomer purification, thus reducing the preparation costs without sacrificing the mechanical
properties of the porous materials. It also allows of two component HIPE curing systems to be made, stored
and used in the field for a rapid preparation of open pore monoliths in spaces with complex geometry. This is
demonstrated by the in situ preparation of a filter and a static mixer for foam generation. The proposed method
has a considerable potential for further practical exploitation in filtration, separation, microfluidics, chromatography
and other fields where porous materials are used.

Citation

Althubeiti, K., & Horozov, T. (2019). Efficient preparation of macroporous poly(methyl methacrylate) materials from high internal phase emulsion templates. Reactive and functional polymers, 142, 207–212. https://doi.org/10.1016...tfunctpolym.2019.06.015

Journal Article Type Article
Acceptance Date Jun 20, 2019
Online Publication Date Jun 22, 2019
Publication Date 2019-09
Deposit Date Jul 15, 2019
Publicly Available Date Nov 30, -0001
Journal Reactive and Functional Polymers
Print ISSN 1381-5148
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 142
Pages 207–212
DOI https://doi.org/10.1016/j.reactfunctpolym.2019.06.015
Keywords Water-in-oil emulsion templates; Redox-initiated polymerization; Benzoyl peroxide; Open pore polyHIPEs; Polymer filters
Public URL https://hull-repository.worktribe.com/output/2033547

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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/

Copyright Statement
©2019, Elsevier. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/



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