In Situ Nitroxide-Mediated Polymerized Poly(acrylic acid) as a Stabilizer/Compatibilizer Carbon Nanotube/Polymer Composites
Vitaliy Datsyuk
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorCorresponding Author
Laurent Billon
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorChristelle Guerret-Piécourt
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorSylvie Dagréou
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorNicolas Passade-Boupatt
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorSylvain Bourrigaud
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorOlivier Guerret
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorLaurence Couvreur
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorVitaliy Datsyuk
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorCorresponding Author
Laurent Billon
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorChristelle Guerret-Piécourt
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorSylvie Dagréou
Equipe de Physico-Chimie des Polymères (EPCP), Institut Pluridisciplinaire de Recherche sur l′Environnement et les Matériaux (IPREM), UMR 5254 CNRS, Université de Pau et Pays de l′Adour, Hélioparc Pau-Pyrénées, 2 Avenue Angot, Pau Cedex 09 64053, France univ-pau.fr
Search for more papers by this authorNicolas Passade-Boupatt
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorSylvain Bourrigaud
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorOlivier Guerret
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorLaurence Couvreur
Groupement de Recherche de Lacq, ARKEMA, LACQ 64170, France arkema.com
Search for more papers by this authorAbstract
Carbon nanotube (CNT) polymer composites were synthesized via in situ nitroxide-mediated diblock copolymerization. Poly(acrylic acid) (PAA) was chosen as a first block to obtain a precomposite CNT-PAA which is readily dispersible in various solvents including water. The immobilization of the stable poly(acrylic acid) alkoxyamine functionality on the nanotube surface occurs during the synthesis of the first block without CNT prior treatment. The living character of this block is established by spectroscopic methods and the nature of the CNT/PAA interaction is discussed. This living first block offers the opportunity to reinitiate the polymerization of a second block that can be chosen among a wide range of monomers. This versatility is illustrated with a second block containing methyl acrylate (MA) or styrene (S). Scanning and transmission electron microscopies confirm good CNT dispersion in the polymer network, while transmission electron microscopy also spots the anchorage locations of PAA on the CNT surface. Such nanotubes wrapped by diblock copolymers can be dispersed in various polymer matrices to create CNT—polymer composites. Conductivity measurements show that these composites obey a percolation-like power law with a low percolation threshold (less than 0.5 vol%) and a high maximum conductivity (up to 1.5 S/cm at room temperature).
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