Synthesis and characterization of PMMA/silylated MMTs

A. De Maria, A. Aurora, A. Montone, L. Tapfer, E. Pesce, R. Balboni, M. Schwarz, C. Borriello

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Abstract

Commercially available Sodium clay (Dellite HPS) and organo-clay (Dellite 72T) are modified via a silylation reaction. These silylated clays are characterized by IR, XRD, thermogravimetric analyses, and their equilibrium contact angles are measured. They are used to prepare nanocomposites at different loading percentage (1, 3, 5% wt) by in situ intercalative polymerization of Methyl methacrylate and morphology and thermal properties of nanocomposites are examined. SEM images of nanocomposites fractured surface show the absence of clays aggregates, confirming a good dispersion and distribution of montmorillonites in the polymer matrix. The effects of modified clays on the thermal properties of nanocomposites are analyzed by differential scanning calorimetry and thermogravimetric analyses showing an increase of glass and decomposition temperatures of all nanocomposites respect to homopolymer ones. The best results are obtained in the presence of silylated montmorillonites, clearly the organosilane improves the compatibility between polymer matrix and clay and as effect the properties of nanocomposites. © Springer Science+Business Media B.V. 2011.
Original languageEnglish
Pages (from-to)6049 - 6058
Number of pages10
JournalJournal of Nanoparticle Research
Volume13
Issue number11
DOIs
Publication statusPublished - Nov 2011

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All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Modelling and Simulation
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

De Maria, A., Aurora, A., Montone, A., Tapfer, L., Pesce, E., Balboni, R., ... Borriello, C. (2011). Synthesis and characterization of PMMA/silylated MMTs. Journal of Nanoparticle Research, 13(11), 6049 - 6058. https://doi.org/10.1007/s11051-011-0496-7