Study on biodegradable aromatic/aliphatic copolyesters

AUTOR(ES)

Chen, Yiwang, Tan, Licheng, Chen, Lie, Yang, Yan, Wang, Xiaofeng

FONTE

Brazilian Journal of Chemical Engineering

DATA DE PUBLICAÇÃO

2008-06

RESUMO

Progress on biodegradable aromatic/aliphatic copolyesters based on aliphatic and aromatic diacids, diols and ester monomers was reviewed. The aromatic/aliphatic copolyesters combined excellent mechanical properties with biodegradability. Physical properties and biodegradability of copolyesters varied with chain length of the aliphatic polyester segment and atacticity of copolyesters. The processability of copolyesters could be improved significantly after incorporating a stiff chain segment through copolymerization of aliphatic polyesters with an aromatic liquid crystal element. The aromatic/aliphatic copolyesters as a new type of biodegradable materials could replace some general plastics in certain applications, namely biomedical and environmental friendly fields.

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