Poly(lactic acid) Synthesis and Characterization | Zendy

Pauline Sanglard | Zendy; Vincent Adamo | Zendy; JeanPascal Bourgeois | Zendy; Thierry Chappuis | Zendy; Ennio Vanoli | Zendy

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Poly(lactic acid) Synthesis and Characterization

Author(s) -

Pauline Sanglard,

Vincent Adamo,

JeanPascal Bourgeois,

Thierry Chappuis,

Ennio Vanoli

Publication year - 2012

Publication title -

chimia international journal for chemistry

Language(s) - English

Resource type - Journals

eISSN - 2673-2424

pISSN - 0009-4293

DOI - 10.2533/chimia.2012.951

Subject(s) - lactic acid , lactide , biodegradable polymer , ring opening polymerization , polymerization , polymer , polymer chemistry , chemistry , characterization (materials science) , materials science , chemical engineering , organic chemistry , nanotechnology , bacteria , genetics , biology , engineering

Poly(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.

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