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Recent Copolymerization Researches of Biodegradable Poly(lactic acid)

Shu Xiao-jun

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Abstract

Based on the presentation of the mechanical and biological properties of biomaterials poly(lactic acid)(PLA),the necessity and common methods of improving PLA properties are briefly introduced in this paper.Co- polymerization is the most effective approach to property improvement.The copolymerization of PLA with poly(glycol- ic acid),poly(e-caprolactone),poly(ethylene glycol)and poly(amino acid)as well as the properties and applications of the copolymers are summarized.The properties of mechanism,hydrophile or functionality of PLA copolymers may be improved compared with PLA,and the biodegradable property can be adjusted.Hence,the biomaterials can be applied to the biomedical and environmental areas perfectly.

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What this paper is about

Based on the presentation of the mechanical and biological properties of biomaterials poly(lactic acid)(PLA),the necessity and common methods of improving PLA properties are briefly introduced in this paper.Co- polymerization is the most effective approach to property improvement.The copolymerization of PLA with poly(glycol- ic acid),poly(e-caprolactone),poly(ethylene glycol)and poly(amino acid)as well as the properties and applications of the copolymers are summarized.The properties of mechanism,hydrophile or functionality of PLA copolymers may be improved compared with PLA,and the biodegradable property can be adjusted.Hence,the biomaterials can be applied to the biomedical and environmental areas perfectly.

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Available abstract

Based on the presentation of the mechanical and biological properties of biomaterials poly(lactic acid)(PLA),the necessity and common methods of improving PLA properties are briefly introduced in this paper.Co- polymerization is the most effective approach to property improvement.The copolymerization of PLA with poly(glycol- ic acid),poly(e-caprolactone),poly(ethylene glycol)and poly(amino acid)as well as the properties and applications of the copolymers are summarized.The properties of mechanism,hydrophile or functionality of PLA copolymers may be improved compared with PLA,and the biodegradable property can be adjusted.Hence,the biomaterials can be applied to the biomedical and environmental areas perfectly.

Key concepts: Copolymer, Materials science, Ethylene glycol, Lactic acid, Polymerization, Polymer chemistry, Biodegradable polymer, Polyester

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