Marine-degradable polylactic acid
2014
Martin, Ryan T. | Camargo, Ludmila P. | Miller, Stephen A.
Polyesteracetal (PEA) copolymers of 1,3-dioxolan-4-one (DOX) with l-lactide (LA) were synthesized via ring-opening polymerization (ROP). Facile degradability in distilled water or seawater was observed—presumably via hydrolysis of the main-chain acetal functionality. Over 45 days, mass loss approached 2% and molecular weight loss (Mₙ) exceeded 15%; control experiments with polylactic acid (PLA) indicated no degradation.
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