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Compatibilizing effect of SEBS-g-MA on the mechanical properties of different types of OMMT filled polyamide 6/polypropylene nanocomposites

Mohd Ishak, Z. A. and Takeichi, T. and Chow, W. S. (2006) Compatibilizing effect of SEBS-g-MA on the mechanical properties of different types of OMMT filled polyamide 6/polypropylene nanocomposites. Composites, 39 . pp. 1802-1814.

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Abstract

Nanocomposites based on polyamide 6/polypropylene (PA6/PP) blends containing organophilic montmorillonite (OMMT) and maleic anhydride grafted styrene–ethylene/butylene–styrene (SEBS-g-MA) were prepared by melt compounding method followed by injection molding. Four different types of OMMT were used in this work, i.e. dodecylamine modified MMT (D-MMT), 12-aminolauric acid modified MMT (A-MMT), stearylamine modified MMT (S-MMT), and commercial organo-MMT (C-MMT). X-ray diffraction (XRD) and transmission electron microscopy (TEM) results revealed the presence of SEBS-g-MA did not produce any apparent effect on the dispersion of OMMT in the PA6/PP matrix. Incorporation of SEBS-g-MA into the nanocomposites enhanced strength, ductility, and impact strength but slightly reduced stiffness. A good balance of strength, stiffness, and toughness was obtained for PA6/PP/OMMT nanocomposites in the presence of SEBS-g-MA.

Item Type:Article
Subjects:Material Science > Nanostructured materials
ID Code:4556
Deposited By:CSMNT
Deposited On:07 Apr 2009 11:13
Last Modified:07 Apr 2009 11:13

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