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Issue 45, 2010
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Physically crosslinked fluorosilicone elastomers obtained by self- assembly and template polycondensation of tailored building blocks

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Abstract

Self-assembly and template polycondensation of two tailor-made fluorinated oligocarbosiloxanes generated physically crosslinked elastomer-like materials (denoted here as “gelastomers”). Clustering was found to arise from phase separation between strongly aggregated, polar silanol chain-ends and highly hydrophobic fluorosilicone domains. The large concentration of silanol functions promoted a template catalyst-free co-condensation to generate chains of typically 10 000 g mol−1 after extended times. One of these gelastomers exhibited noteworthy mechanical properties, such an elongation as large as 1500% at a fair strain force (0.2 MPa).

Graphical abstract: Physically crosslinked fluorosilicone elastomers obtained by self- assembly and template polycondensation of tailored building blocks

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Supplementary files

Article information


Submitted
19 May 2010
Accepted
14 Aug 2010
First published
07 Oct 2010

J. Mater. Chem., 2010,20, 10269-10276
Article type
Paper

Physically crosslinked fluorosilicone elastomers obtained by self- assembly and template polycondensation of tailored building blocks

C. Longuet, A. Ratsimihety, S. André, G. Boutevin, F. Guida-Pietrasanta, B. Decamps, M. Ramonda, C. Joly-Duhamel, B. Boutevin and F. Ganachaud, J. Mater. Chem., 2010, 20, 10269
DOI: 10.1039/C0JM01519A

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