Simultaneously Enhanced Stereocomplexation and Melt Strength by Dynamic Polylactide toward Heat-Resistant Green Foams
Ze-Zhi Shi,
Zi-Yang Fan,
Ling Ma
et al.
Abstract:Because of the poor stereocomplex (sc) crystallization and low melt strength, stereocomplexed polylactide (sc-PLA) is yet to fulfill its promise as a heat-resistant green foam. Herein, the strategy of dynamic PLA is proposed to promote sc crystallization and improve the melt strength of sc-PLA simultaneously. Maleic anhydride-grafted poly(L-lactide) (PLLA) and poly(D-lactide) (PDLA) were first blended to form sc crystallites, ensuring that the interchain cross-linking between PLLA and PDLA pairs occurred based… Show more
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