Study on Thermal Behavior of Some Biocompatible and Biodegradable Materials Based on Plasticized PLA, Chitosan, and Rosemary Ethanolic Extract

Author:

Vasile Cornelia1ORCID,Tudorachi Niță1ORCID,Zaharescu Traian2,Darie-Nita Raluca Nicoleta1ORCID,Cheaburu-Yilmaz Catalina Natalia1ORCID

Affiliation:

1. Department of Physical Chemistry of Polymers, “Petru Poni” Institute of Macromolecular Chemistry, 41A Gr. Ghica Voda Alley, 700487 Iasi, Romania

2. National Institute for Electrical Engineering (INCDIE ICPE CA), 313 Splaiul Unirii, P.O. Box 149, 030138 Bucharest, Romania

Abstract

Thermal characterization of some multifunctional environmentally friendly materials based on plasticized poly (lactic acid) (PLA)/chitosan (CS) and rosemary extract (R) previously obtained is presented. Differential scanning calorimetry (DSC) associated with other complex investigations such as chemiluminescence and coupled thermogravimetry (TG)/Fourier-transform infrared spectroscopy (FT-IR)/mass spectroscopy (MS) was performed in order to test both the thermal behavior and the biocomposition–property relationship. It was established that the rosemary ethanolic extract offers an efficient protection against thermoxidative degradation to the new developed plasticized PLA-based biocomposites which show good thermal properties, being suitable for both medical and food packaging applications.

Funder

European Social Fund

Publisher

Hindawi Limited

Subject

Polymers and Plastics

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