Photooxidation and thermooxidation of PLA as a function of its stereochemistry
[ 1 ] Instytut Technologii Materiałów, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 2 ] Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ P ] pracownik | [ SzD ] doktorant ze Szkoły Doktorskiej
2024
referat
angielski
EN Polylactide (PLA) is the most commonly used bioplastic. Its performance is driven by the L- and D-isomers' content, which strongly a@ects the crystallinity, inducing variations in processing, solubility, thermal or mechanical performance, and degradation rate. The impact of PLA chirality on biodegradation has been repeatedly investigated due to the environmentally friendly character of this polymer. However, despite PLA's susceptibility to oxidative degradation and its importance in multiple applications, its correlation with the content of particular isomers has been so far overlooked. Reported studies dealing with this phenomenon are predominantly based on one PLA grade despite the indisputably significant impact of its structure and di@er with applied oxidation conditions. Herein, photooxidation and thermooxidation of PLA grades di@ering with L- and D-isomer content were evaluated under the same conditions, providing clear and straightforward information about this material.
IUPAC MACRO2024 : 50th World Polymer Conference : Abstract Book, 1st-4th of July University of Warwick
2024
206
CC BY (uznanie autorstwa)
witryna wydawcy