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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 11/2011

01.11.2011 | Special Issue: Nanostructured Materials 2010

Synthesis and characterization of PMMA/silylated MMTs

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

Erschienen in: Journal of Nanoparticle Research | Ausgabe 11/2011

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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.
Vorheriger Artikel Electrodeposition of polyaniline–carbon nanotubes composite films and investigation on their role in corrosion protection of austenitic stainless steel by SNIFTIR analysis
Nächster Artikel Thermodynamics and molecular dynamics investigation of a possible new critical size for surface and inner cohesive energy of Al nanoparticles

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Metadaten
Titel
Synthesis and characterization of PMMA/silylated MMTs
verfasst von
A. De Maria
A. Aurora
A. Montone
L. Tapfer
E. Pesce
R. Balboni
M. Schwarz
C. Borriello
Publikationsdatum
01.11.2011
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 11/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-011-0496-7

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