Journal of Materials Science

, Volume 41, Issue 19, pp 6305–6312 | Cite as

Toward the preparation of a nanocomposite material through surface initiated controlled/“living” radical polymerization of styrene inside the channels of MCM-41 silica

  • Maurizio LenardaEmail author
  • Gavino Chessa
  • Elisa Moretti
  • Stefano Polizzi
  • Loretta Storaro
  • Aldo Talon


A hybrid organic–inorganic material was prepared by surface initiated controlled/“living” radical polymerization (CRP) of styrene in the internal space of a MCM-41 silica. The inorganic precursor was synthesized, via sol–gel, using tetraethoxysilane and cetyltrimethylammonium bromide, in the presence of ammonia and ethanol to induce the formation of submicrometric spherical particles. After characterization by powder X-ray diffraction (XRD), transmission electron micrography (TEM), scanning electron micrography (SEM), N2 adsorption and titration of the surface silanol groups, the mesoporous silica was functionalized through a 3-step grafting process, in order to link the nitroxide initiator to the inorganic matrix (TEMPO-MCM-41). The anchorage of the TEMPO-based initiator was checked by diffuse reflectance infrared spectroscopy (DRIFT-IR). Experimental data confirmed that the styrene polymerization occurred inside the MCM-41 channels system.


Mesoporous Silica Silica Microsphere Styrene Polymerization Lanthanum Hexaboride Mesoporous Silica Sphere 



Financial support from the MIUR (Ministero dell’Istruzione, Università e Ricerca) is gratefully acknowledged.


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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • Maurizio Lenarda
    • 1
    Email author
  • Gavino Chessa
    • 2
  • Elisa Moretti
    • 1
  • Stefano Polizzi
    • 3
  • Loretta Storaro
    • 1
  • Aldo Talon
    • 1
  1. 1.INSTM and Department of ChemistryUniversity Ca’ Foscari of VeniceVeneziaItaly
  2. 2.INSTM and Department of ChemistryUniversity Ca’ Foscari of VeniceVeneziaItaly
  3. 3.INSTM and Department of Physical ChemistryUniversity Ca’ Foscari of VeniceVeneziaItaly

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