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Nanomaterials 2012, 2(2), 163-186; doi:10.3390/nano2020163

Porous Copolymer Resins: Tuning Pore Structure and Surface Area with Non Reactive Porogens

1 Aquatic Ecosystems Protection Research Division, Water Science and Technology Directorate, 11 Innovation Boulevard, Saskatoon, Saskatchewan, S7N 3H5, Canada 2 Department of Chemistry, University of Saskatchewan, 110 Science Place—Room 165, Thorvaldson Building, Saskatoon, Saskatchewan, S7N 5C9, Canada
* Author to whom correspondence should be addressed.
Received: 3 May 2012 / Revised: 16 May 2012 / Accepted: 29 May 2012 / Published: 6 June 2012
(This article belongs to the Special Issue New Developments in Nanomaterial Analysis)
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In this review, the preparation of porous copolymer resin (PCR) materials via suspension polymerization with variable properties are described by tuning the polymerization reaction, using solvents which act as porogens, to yield microporous, mesoporous, and macroporous materials. The porogenic properties of solvents are related to traditional solubility parameters which yield significant changes in the surface area, porosity, pore volume, and morphology of the polymeric materials. The mutual solubility characteristics of the solvents, monomer units, and the polymeric resins contribute to the formation of porous materials with tunable pore structures and surface areas. The importance of the initiator solubility, surface effects, the temporal variation of solvent composition during polymerization, and temperature effects contribute to the variable physicochemical properties of the PCR materials. An improved understanding of the factors governing the mechanism of formation for PCR materials will contribute to the development and design of versatile materials with tunable properties for a wide range of technical applications.
Keywords: porous copolymer resins; porogen; suspension polymerization; porosity; surface area porous copolymer resins; porogen; suspension polymerization; porosity; surface area
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Mohamed, M.H.; Wilson, L.D. Porous Copolymer Resins: Tuning Pore Structure and Surface Area with Non Reactive Porogens. Nanomaterials 2012, 2, 163-186.

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