ArticleScientific reports2025
Star polylactide and its stereocomplex blends with enhanced heat stability triggered by microwave heating for degradable packaging.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
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5 authors.
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Abstract
Poly(D-lactide) with a star-shaped structure (starPDLA) has been synthesized and blended with commercial linear PLLA (l-PLLA) to enhance processability, thermal stability, and mechanical properties via stereocomplexation and incorporation of covalent junctions with compact structure from the star-shaped polymer. The blends, with a starPDLA content of 0.1 and 0.2, showed increased elongation at break by 35-43 times and toughness by 40-47 times compared to l-PLLA, with a slight reduction in tensile strength and modulus. The blends were fabricated into packaging trays by film extrusion and thermoforming. The DSC, FTIR, and XRD results indicated that the tray products initially possessed low crystallinity due to the high cooling rate of the fabrication process. Upon microwave heating, the electromagnetic field interacts with polar functional groups of the chains, generating heat at a slightly higher temperature than the T
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