alexa An Overview of the Synthesis and Synthetic Mechanism of Poly (Lactic acid) | OMICS International | Abstract
ISSN: 2329-6798

Modern Chemistry & Applications
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Review Article

An Overview of the Synthesis and Synthetic Mechanism of Poly (Lactic acid)

Cheolho Lee and Sungyeap Hong*
Chemical and Biological Engineering Department, Seokyeong University, Korea
Corresponding Author : Sungyeap Hong
Professor, Chemical and Biological Engineering Department
Seokyeong University, 124 Seokyeong-Ro
Sungbuk-Ku, Seoul 136-704, Korea
Tel : +82-10-8970-7186
E-mail: [email protected]
Received December 01, 2014; Accepted December 25, 2014; Published December 29, 2014
Citation: Lee C, Hong S (2014) An Overview of the Synthesis and Synthetic Mechanism of Poly (Lactic acid). Mod Chem appl 2:144. doi: 10.4172/2329-6798.1000144
Copyright: © 2014 Lee C, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Poly(lactic acid) is the biodegradable aliphatic polyester produced in small quantity and in large quantities industrially and used very variously. Because of its good mechanical property and reconcilability with environment, it is one of the polymers most appropriate to replace non-biodegradable synthetic polymers based on crude oil. PLA can be made from lactic acid with different polymerizations such as polycondensation, ring-opening polymerization, and direct polymerizations by azeotropic dehydration or the enzymatic polymerization. The direct polymerization and the ring-opening polymerization are the most used techniques. This paper reviewed methods of making PLA such as oligomer polycondensation or ring-opening polymerization and mainly mechanism of ring-opening polymerization with 4 areas: metal catalyst, organic catalyst, cationic catalyst and stereo-controlled polymerization.

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