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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 8/2023

05.05.2023 | Original Contribution

Modification on crystallization behavior and mechanical properties of polylactide by the addition of polyamide elastomer

Erschienen in: Colloid and Polymer Science | Ausgabe 8/2023

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Abstract

The phase morphology, crystallization behavior, and mechanical properties of polylactide (PLA) modified by polyamide elastomer (PAE) have been systematically investigated. SEM images showed that PAE was homogeneously dispersed in the PLA matrix forming a sea-island morphology. The dimension of PAE domains increased slightly with its content and still remained smaller than 3 μm even at 40 wt% due to the partial compatibility of PLA and PAE. PAE had some nucleation effect on PLA and promoted the crystallization of PLA to a certain extent. The crystallization kinetics and crystalline morphology, especially the nucleation and growth of PLA crystals, were compared in detail between pure PLA and PLA/PAE blends. The elongation at break and impact strength of PLA were considerably improved by PAE. The sample PAE20 exhibited the best rigidity-toughness balance showing ductile failure. The toughening mechanism was proposed based on the deformation of the impact fracture surfaces.
Vorheriger Artikel Facile fabrication of superhydrophilic poly(styrene-co-acrylate)/SiO2 composite materials by conventional emulsion polymerization
Nächster Artikel Light-induced reversible destabilization of responsive latex particles prepared via high solids content emulsion polymerization

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Metadaten
Titel
Modification on crystallization behavior and mechanical properties of polylactide by the addition of polyamide elastomer
Publikationsdatum
05.05.2023
Erschienen in
Colloid and Polymer Science / Ausgabe 8/2023
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-023-05117-x

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