Synthesis, properties, and applications of polylactic acid‐based polymers

Polylactic acid (PLA) is known as one of the greatest promising bioabsorbable and compostable polyesters with the capability of high molecular weight synthesis. Lactic acid condensation, azeotropic dehydration, and condensation ring‐open polymerize of lactide are three methods for PLA polymerization...

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Bibliographic Details
Published in:Polymer engineering and science 2023-01, Vol.63 (1), p.22-43
Main Authors: Ramezani Dana, Hossein, Ebrahimi, Farnoosh
Format: Article
Language:English
Subjects:
Analysis
biodegradable polymer
Biomedical materials
Chemical synthesis
Composite materials
Composition
Condensates
Condensation polymerization
Copolymerization
Dehydration
Lactic acid
Material properties
Mechanical properties
Methods
Permeability
PLA
poly(lactic acid)
Polyester resins
Polylactic acid
Polymerization
Polymers
Properties
Rheological properties
Rheology
synthesis
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Summary:Polylactic acid (PLA) is known as one of the greatest promising bioabsorbable and compostable polyesters with the capability of high molecular weight synthesis. Lactic acid condensation, azeotropic dehydration, and condensation ring‐open polymerize of lactide are three methods for PLA polymerization. Comprehension of material properties is critical for choosing the right processing method and adjusting PLA characteristics. A variety of mechanical properties of this material, from soft and elastic to stiff and high strength makes PLA suitable for a wide range of applications. Besides, PLA can be blended or copolymerized with other polymeric or non‐polymeric substances. Thus, this polymer can achieve suitable chemical, mechanical, and rheological properties. Understanding the role of these properties and selecting a suitable processing technique is necessary for its intended consumer and various applications. This study elaborated a general summary of the polymerization, processing, and characteristics of PLA (i.e., structural diversities, rheological performances, mechanical properties, and permeability). Besides, this work presented some information regarding essential factors that can be used for modifying PLA properties to address the requirements for various applications such as biomedical, food packing, biocomposite, and additive manufacturing.
ISSN:0032-3888
1548-2634
DOI:10.1002/pen.26193