4.8 Article

Marine-degradable polylactic acid

期刊

GREEN CHEMISTRY
卷 16, 期 4, 页码 1768-1773

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c3gc42604a

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资金

  1. National Science Foundation [CHE-0848236, CHE-1305794]
  2. University of Florida
  3. Direct For Mathematical & Physical Scien
  4. Division Of Chemistry [1305794] Funding Source: National Science Foundation

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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 (M-n) exceeded 15%; control experiments with polylactic acid (PLA) indicated no degradation.

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