Macro- and near-mesoporous monoliths by medium internal phase emulsion polymerization: a systematic study

[en] The synthesis of a series of poly(ethylene oxide)-b-polystyrene copolymers with different block lengths was performed by radical addition fragmentation chain transfer. These amphiphilic copolymers were tested as stabilizers for water-in-oil medium internal phase emulsion (MIPE) templating polymerization and the formation of polyMIPEs with controlled morphology. Aside from the structure of the emulsion stabilizer, several parameters susceptible to influence the size of the cavities and the interconnectivity of the porous monoliths were probed including the choice of the comonomers, treatment of the emulsion by ultrasound, the use of controlled radical polymerization method for the network formation as well as interfacial initiation. Interconnected cellular monoliths were produced. The polymerization of the ultrasonicated water-in-ethylhexylacrylate/divinylbenzene MIPE notably led to near-mesoporous open-cell material. Mechanical properties and specific surface areas of the polyMIPEs were also investigated and discussed.

Research Center/Unit :

Center for Education and Research on Macromolecules (CERM)
CESAM - Complex and Entangled Systems from Atoms to Materials - ULiège

Disciplines :

Chemistry
Materials science & engineering

Author, co-author :

Mathieu, Kevin ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Jérôme, Christine ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Debuigne, Antoine ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Language :

English

Title :

Macro- and near-mesoporous monoliths by medium internal phase emulsion polymerization: a systematic study

Publication date :

02 September 2016

Journal title :

Polymer

ISSN :

0032-3861

eISSN :

1873-2291

Publisher :

Elsevier Science, Oxford, United Kingdom

Volume :

Pages :

157-165

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique

Available on ORBi :

since 17 August 2016

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Bibliography

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