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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Compatibilizing effect of maleated polypropylene on the mechanical properties and morphology of injection molded polyamide 6/polypropylene/organoclay nanocomposites
Polymer, Volume 44, No. 24, Year 2003
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Description
Polyamide 6/polypropylene (PA6/PP = 70/30 parts) blends containing 4 phr (parts per hundred resin) of organophilic modified montmorillonite (organoclay) were prepared using twin screw extruder followed by injection molding. Maleated polypropylene (MAH-g-PP) was used to compatibilize the blend system. The mechanical properties of PA6/PP nanocomposites were studied through tensile and flexural tests. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to assess the fracture surface morphology and the dispersion of the organoclay, respectively. X-ray diffraction (XRD) was used to characterize the formation of nanocomposites. The thermal properties were characterized by using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The dynamic mechanical properties of PA6/PP nanocomposites were analyzed by using dynamic mechanical thermal analyzer (DMTA). The strength and stiffness of PA6/PP nanocomposites were improved significantly in the presence of MAH-g-PP. This has been attributed to the synergistic effect of organoclay and MAH-g-PP. The MAH-g-PP compatibilized PA6/PP nanocomposites showed a homogeneous morphology supporting the compatibility improvement between PA6, PP and organoclay. TEM and XRD results revealed the formation of nanocomposites as the organoclay was intercalated and exfoliated. A possible chemical interaction between PA6, PP, organophilic modified montmorillonite and MAH-g-PP was proposed based on the experimental work. © 2003 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Chow, Wen Shyang
Malaysia, Minden
Universiti Sains Malaysia
Mohd Ishak, Zainal Ariffin
Malaysia, Minden
Universiti Sains Malaysia
Karger-Kocsis, Jõzsef K.
Germany, Kaiserslautern
Leibniz-institut Für Verbundwerkstoffe Gmbh
Apostolov, Anton Atanassov
Bulgaria, Sofia
Sofia University St. Kliment Ohridski
Ishiaku, Umaru Semo
Japan, Kyoto
Kyoto Institute of Technology
Statistics
Citations: 294
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/j.polymer.2003.09.006
ISSN:
00323861