Title
Effect of clay modification on structure-property relationships and thermal degradation kinetics of <tex>$\beta$</tex>-polypropylene/clay composite materials
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
,
Subject
Physics
Chemistry
Source (journal)
Journal of thermal analysis and calorimetry. - Place of publication unknown
Volume/pages
122(2015) :1 , p. 393-406
ISSN
1388-6150
ISI
000361431200042
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The influence of neat and organically modified montmorillonite on the structureproperty relationships of a β-nucleated polypropylene matrix has been thoroughly investigated. High-angle annular dark field scanning transmission electron microscopy revealed that the organic modification of clay facilitated the dispersion of the clay, while X-ray diffractograms showed the α-nucleating effect of the clays on the β-nucleated matrix. The results from tensile tests showed that the organic modification of MMT affected profoundly only the tensile strength at yield and at break. The effect of the organic modification of the clay on the thermal stability of the composites was finally evaluated by thermogravimetric analysis, where the samples filled with oMMT decomposed faster than the ones filled with neat MMT, due to the decomposition of the organic salts that were initially used for the modification of MMT. A kinetics study of the thermal degradation of the composites was also performed, in order to export additional conclusions on the activation energy of the samples.
E-info
https://repository.uantwerpen.be/docman/iruaauth/3a75fe/13ea13a1b8f.pdf
Full text (open access)
https://repository.uantwerpen.be/docman/irua/2e57b2/10753.pdf
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