Poly(lactic acid) Synthesis and Characterization
FH - HES
Keywords:Lactic acid, Lactide, Poly(lactic acid), Ring opening polymerization
AbstractPoly(lactic acid) (PLA) is a promising biodegradable polymer based on renewable resources. This paper describes scale-up studies to synthesize high molecular weight PLA (>100'000 g/mol) in five steps from commercial lactic acid. The first four steps of this process consist of synthesizing a highly pure precursor, lactide, which can be converted into a high molecular PLA by ring opening polymerization (ROP). We produced PLA with a molecular weight of 109'000 g/mol using this strategy.
How to Cite
P. Sanglard, V. Adamo, J.-P. Bourgeois, T. Chappuis, E. Vanoli, Chimia 2012, 66, 951, DOI: 10.2533/chimia.2012.951.
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