Morphology and crystallization kinetics in a mixture of low-molecular weight aliphatic amide and polylactide

Polylactide (PLA)/ N, N-ethylenebis(12-hydroxystearamide) mixture was prepared by using melt extrusion. The detailed crystallization kinetics and morphology of neat PLA and a mixture were studied by using polarized optical microscopy, light scattering, differential scanning calorimetry, and wide-ang...

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Published inPolymer (Guilford) Vol. 47; no. 4; pp. 1340 - 1347
Main Authors Nam, Joo Young, Okamoto, Masami, Okamoto, Hirotaka, Nakano, Mitsuru, Usuki, Arimitsu, Matsuda, Masatoshi
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 08.02.2006
Elsevier
Subjects
Aliphatic amide
Applied sciences
Crystallization
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polylactide
Properties and characterization
Aliphatic amide
Polylactide
Crystallization
Aliphatic compound
Experimental study
Binary mixture
Melt crystallization
Lactic acid polymer
Spherulites
Morphology
Organic amide
Kinetics
Isothermal crystallization
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Summary:Polylactide (PLA)/ N, N-ethylenebis(12-hydroxystearamide) mixture was prepared by using melt extrusion. The detailed crystallization kinetics and morphology of neat PLA and a mixture were studied by using polarized optical microscopy, light scattering, differential scanning calorimetry, and wide-angle X-ray diffraction analyses. The overall crystallization rate and spherulitic texture of PLA were strongly influenced in presence of the organic additive. The overall crystallization rate of matrix PLA increased with addition of WX1. These behaviors indicated that WX1 crystallites, which crystallized at the very early stage of PLA crystallization act as a nucleating agent for PLA crystallization.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2005.12.066