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Synthesis of Porous Materials via Multiscale Templating Approaches: Emulsions, Nanoparticles, Supercritical Fluids, and Directional Freezing

Published online by Cambridge University Press:  26 February 2011

Haifei Zhang ,
Irshad Hussain ,
James Long ,
Bien Tan ,
Mathias Brust ,
Matthew Rosseinsky ,
Steven Rannard ,
Michael Butler  and
Andrew Cooper
Haifei Zhang
Affiliation:
zhanghf@liv.ac.uk, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Irshad Hussain
Affiliation:
irshad@nibge.org, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
James Long
Affiliation:
jimtastik@hotmail.com, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Bien Tan
Affiliation:
bien71@liv.ac.uk, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Mathias Brust
Affiliation:
M.Brust@liv.ac.uk, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Matthew Rosseinsky
Affiliation:
M.J.Rosseinsky@liv.ac.uk, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Steven Rannard
Affiliation:
Steven.Rannard@unilever.com, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
Michael Butler
Affiliation:
Michael.Butler@unilever.com, Unilever R&D Colworth, Sharnbrook, MK44 1LQ, United Kingdom
Andrew Cooper
Affiliation:
aicooper@liv.ac.uk, University of Liverpool, Department of Chemistry, Crown Street, Liverpool, L69 3BX, United Kingdom
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Abstract

A “toolkit” of emulsion templating and directional freezing methods has been developed which allows the preparation of a wide variety of organic, inorganic, and metallic materials in a macroporous or hierarchically porous form.1,18,20 The various processes use water, organic solvents, or aqueous/organic emulsions as the template phase. We have shown that the organic solvent can be replaced by liquid CO2 in both the emulsion templating and directional freezing approaches, thus reducing organic waste and offering advantages in applications such as the preparation of biomaterials.

Keywords

porosityenvironmentally benignpolymerization
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 988: Symposium QQ – Solid-State Chemistry of Inorganic Materials VI , 2006 , 0988-QQ05-03
Copyright
Copyright © Materials Research Society 2007

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