Multi-scale analysis of polypropylene based organoclay containing composites, Part 1: Morphology

A multi-scale study of the dispersion state of PP/organoclay and PP-g-MA/organoclay composite was performed. Microscopic investigation, WAXS diffractograms and rheological analysis were used to characterize the dispersion of organoclay in PP and PP-g-MA matrices during melt blending in different mor...

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Bibliographic Details
Published in:Polymer testing 2009-04, Vol.28 (2), p.128-138
Main Authors: Hedayati, A., Arefazar, A.
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Microscopic analysis
Morphology
Nanocomposite
Polymer industry, paints, wood
Technology of polymers
X-ray diffraction
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Summary:A multi-scale study of the dispersion state of PP/organoclay and PP-g-MA/organoclay composite was performed. Microscopic investigation, WAXS diffractograms and rheological analysis were used to characterize the dispersion of organoclay in PP and PP-g-MA matrices during melt blending in different morphological scales: from nano- to bulk-scale. The results show a system of aggregating intercalated clay particles which disperse with increasing mixing time with a strain-controlled process for PP-g-MA/organoclay nanocomposite, whilst PP/organoclay samples only form microcomposites.
ISSN:0142-9418
1873-2348
DOI:10.1016/j.polymertesting.2008.10.007