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Elastomer monolayers adsorbed on mica surfaces by nitroxide-mediated polymerisation
Authors:Leïla Ghannam  Marie Bacou  Martin ER Shanahan  Laurent Billon
Affiliation:a Centre de Matériaux de Grande Diffusion, Ecole de Mines d'Alès-Pau Cedex, France
b Laboratoire de Physico-Chimie des Polymères, UMR CNRS 5067, Hélioparc Pau-Pyrénées, 2 avenue Pierre Angot, 64053 Pau Cedex 9, France
Abstract:We reported the first synthesis of Poly(n-butyl acrylate) by in situ nitroxide-mediated polymerisation from the surface of mica while preserving its lamellar structure. To obtain this polymer adsorbed to mica surface, a free radical initiator 2,2′-azobis(isobutyramidine hydrochloride) (AIBA) was attached by ion exchange to the surface of mica, and the resulting was used as a initiator to polymerise butyl acrylate. The kinetic studies show that the initiator adsorbed to mica surface successfully initiated the radical polymerisation of butyl acrylate. Adsorbed polymer was indeed obtained, in different amounts depending on reaction time, the XRD patterns of resulting products indicate that the polymer chains did not intercalate the aluminosilicate layers, as expected.
Keywords:Polymer mono-layer  Inorganic/organic material  Mica
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