Synonyms
PLLA; Poly(l-Lactic acid).
Definition
Poly(l-lactide) is a polymer synthesized by the ring-opening polymerization of l-lactide or polycondensation of l-lactic acid.
Historical Background
Historical outlines of poly(lactide), i.e., poly(lactic acid) (PLA), can be summarized as follows [1]. Synthetic routes to the linear dimer of lactic acid, i.e., lactoyllactic acid, and lactic acid oligomers from trimers to heptamers by the condensation (or esterification) of lactic acid by the removal of water at elevated temperatures such as 130 °C were reported in 1845 and 1914, respectively. Ring-opening polymerization of lactide, i.e., the cyclic dimer of lactic acid, was suggested in 1932 and developed in 1954, for the synthesis of high-molecular-weight (HMW) poly(lactic acid) (PLA). PLA can be hydrolyzed in the human body, and the formed lactic acid and oligomers are metabolized safely with very low harmful effects to the human body; consequently, PLA and its copolymers have been...
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References
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Tsuji, H. (2015). Poly(l-Lactide). In: Kobayashi, S., Müllen, K. (eds) Encyclopedia of Polymeric Nanomaterials. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29648-2_398
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