Issue 35-36, 2005
From the journal:

Journal of Materials Chemistry

Structuring of bridged silsesquioxanesvia cooperative weak interactions: H-bonding of urea groups and hydrophobic interactions of long alkylene chains

Joël J. E. Moreau,*a   Benoît P. Pichon,a   Catherine Bieda  and  Michel Wong Chi Mana  

* Corresponding authors

a Laboratoire Hétérochimie Moléculaire et Macromoléculaire (UMR-CNRS 5076), Ecole Nationale Supérieure de Chimie de Montpellier, 8 rue de l'école normale 34296 Montpellier Cedex 5, France
E-mail: joël.moreau@enscm.fr

Abstract

Lamellar-bridged silsesquioxanes were obtained by the acid-catalysed hydrolytic condensation of a series of bissilylated organobridged molecular precursors. It was found that exploiting cooperative effects between the molecular interactions created by long hydrophobic hydrocarbon chains and the H-bonding between urea groups in the precursors favoured the nanostructuring of the corresponding hybrid silicas.

Graphical abstract: Structuring of bridged silsesquioxanes via cooperative weak interactions: H-bonding of urea groups and hydrophobic interactions of long alkylene chains

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Article information

DOI
https://doi.org/10.1039/B504635A
Article type
Paper
Submitted
04 Apr 2005
Accepted
27 Jun 2005
First published
19 Jul 2005

J. Mater. Chem., 2005,15, 3929-3936

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Structuring of bridged silsesquioxanes via cooperative weak interactions: H-bonding of urea groups and hydrophobic interactions of long alkylene chains

J. J. E. Moreau, B. P. Pichon, C. Bied and M. W. C. Man, J. Mater. Chem., 2005, 15, 3929 DOI: 10.1039/B504635A

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