Surface Modification of Sodium Montmorillonite Nanoclay by Plasma Polymerization and Its Effect on the Properties of Polystyrene Nanocomposites

Sodium montmorillonite nanoclay (Na+-MMT) was modified by plasma polymerization with methyl methacrylate (MMA) and styrene (St) as monomers and was denominated as Na+-MMT/MMA and Na+-MMT/St, respectively. This plasma modified nanoclay was used as reinforcement for polystyrene (PS) nanocomposites tha...

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Bibliographic Details
Published in:Journal of nanomaterials 2018-01, Vol.2018 (2018), p.1-13
Main Authors: Borjas-Ramos, José Javier, Soria-Arguello, Gustavo, Ibarra-Alonso, María Cristina, Castañeda-Facio, Adali Oliva, Hernández-Hernández, Ernesto, Mora-Cortes, Luis Fernando, Velázquez, María Guadalupe Neira, Narro-Céspedes, Rosa Idalia, Reyes-Acosta, Yadira Karina
Format: Article
Language:English
Subjects:
Carbon fibers
Clay
Composite materials
Emulsion polymerization
Fourier transforms
Infrared analysis
Investigations
Mechanical properties
Modulus of elasticity
Montmorillonite
Nanocomposites
Nanomaterials
Nanoparticles
Oxidation
Plasma
Polymerization
Polymers
Polymethyl methacrylate
Polystyrene resins
Scanning electron microscopy
Sodium
Thermodynamic properties
Thermogravimetric analysis
X-ray diffraction
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Summary:Sodium montmorillonite nanoclay (Na+-MMT) was modified by plasma polymerization with methyl methacrylate (MMA) and styrene (St) as monomers and was denominated as Na+-MMT/MMA and Na+-MMT/St, respectively. This plasma modified nanoclay was used as reinforcement for polystyrene (PS) nanocomposites that were prepared by melt mixing. Pristine and modified Na+-MMT nanoclay were analyzed by the dispersion in various solvents, Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). The results confirmed a change in hydrophilicity of the modified Na+-MMT, as well as the presence of a polymeric material over its surface. The pristine PS/Na+-MMT and modified PS/Na+-MMT/MMA and PS/Na+-MMT/St nanocomposites were studied with X-ray diffraction (XRD), differential scanning calorimetry (DSC), and TGA, as well as mechanical properties. It was found that the PS/Na+-MMT/St nanocomposites presented better thermal properties and an improvement in Young’s modulus (YM) in compared to PS/Na+-MMT/MMA nanocomposites.
ISSN:1687-4110
1687-4129
DOI:10.1155/2018/2480798