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Microporous polyacrylate matrix containing hydrogen bonded nanotubular assemblies

Farid Ouhib 1, 2 Emmanuelle Bugnet 2 Andrei Nossov 1 Jean-Luc Bonardet 1 Laurent Bouteiller 2
2 LCP - Chimie des polymères
UPMC - Université Pierre et Marie Curie - Paris 6, IPCM - Institut Parisien de Chimie Moléculaire, CNRS - Centre National de la Recherche Scientifique : UMR7610
Abstract : We report the straightforward photo-polymn. of polyacrylate films contg. bis-urea based self-assembled nanotubes. The obtained materials are characterized by gas adsorption measurements, 129Xe NMR spectroscopy and WAXS. The presence of the bis-ureas is shown by butane adsorption (at 273 K and ambient pressure) to be responsible for the formation of a significant microporosity. This porosity is however not detected by the classical argon adsorption procedure (at 77 K and low pressure). This effect is attributed to the contraction of the material at low temp. and pressure, and may be of general concern for other org. porous materials. One of the potential advantages of the present materials is that the porosity results from the self-assembled nanotubes and should therefore be independent of the matrix mech. properties. It should in particular be possible to adjust the flexibility of the matrix by changing the monomer compn. [on SciFinder(R)]
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Farid Ouhib, Emmanuelle Bugnet, Andrei Nossov, Jean-Luc Bonardet, Laurent Bouteiller. Microporous polyacrylate matrix containing hydrogen bonded nanotubular assemblies. Polymer, Elsevier, 2010, 51 (15), pp.3360-3364. ⟨10.1016/j.polymer.2010.05.047⟩. ⟨hal-00604788⟩

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