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Polymer Bulletin
Published in: Polymer Bulletin 6/2013

01-06-2013 | Original Paper

Synthesis and solubility of polylactide-co-poly(amino acid) random copolymer

Authors: Cong Chen, Lin Chen, Haiyun Chen, Hongli Li, Minglong Yuan

Published in: Polymer Bulletin | Issue 6/2013

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Abstract

Random copolymers of polylactide-co-poly(amino acids) with a molecule weight range of 5,000–20,000 g/mol were obtained by ring-opening polymerization of l-lactic acid O-carboxyanhydride with amino acid-N-carboxyl anhydride in the presence of DMAP as an initiator. The structures of the copolymers were characterized with IR, 1H-NMR, 13C-NMR, and GPC. The results show that the polymerization activity of amino acid-N-carboxyl anhydride is higher than that of l-lactic acid O-carboxyanhydride. Copolymers of polylactide-co-poly(amino acid) can improve the solubility of poly(amino acid) in organic solvents.
previous article Synthesis and properties of novel star-shaped polyesters based on l-lactide and castor oil
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Metadata
Title
Synthesis and solubility of polylactide-co-poly(amino acid) random copolymer
Authors
Cong Chen
Lin Chen
Haiyun Chen
Hongli Li
Minglong Yuan
Publication date
01-06-2013
Publisher
Springer-Verlag
Published in
Polymer Bulletin / Issue 6/2013
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-013-0918-z

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