Crystallization Behavior and Morphology of Biodegradable Polylactide/Layered Silicate Nanocomposite

An intercalated polylactide (PLA)/layered silicate nanocomposite was prepared by simple melt extrusion of PLA and organically modified montmorillonite. The detailed crystallization kinetics and morphology of neat PLA before and after nanocomposite preparation were studied by using polarized optical...

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Bibliographic Details
Published in:Macromolecules 2003-09, Vol.36 (19), p.7126-7131
Main Authors: Nam, Joo Young, Sinha Ray, Suprakas, Okamoto, Masami
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary:An intercalated polylactide (PLA)/layered silicate nanocomposite was prepared by simple melt extrusion of PLA and organically modified montmorillonite. The detailed crystallization kinetics and morphology of neat PLA before and after nanocomposite preparation were studied by using polarized optical microscopy, light scattering, differential scanning calorimetric, and wide-angle X-ray diffraction analyses. The overall crystallization rate and spherulitic texture of pure PLA were strongly influenced in the presence of montmorillonite particles.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma034623j