PLA-Based Materials Containing Bio-Plasticizers and Chitosan Modified with Rosehip Seed Oil for Ecological Packaging

Raluca Darie-Niță; Maria Râpă; Morten Sivertsvik; Jan Rosnes; Elisabeta Popa; Raluca Dumitriu; Octaviana Marincaș; Ecaterina Matei; Cristian Predescu; Cornelia Vasile

doi:10.3390/polym13101610

journal article Open Access May 17, 2021

PLA-Based Materials Containing Bio-Plasticizers and Chitosan Modified with Rosehip Seed Oil for Ecological Packaging

Raluca Darie-Niță

Maria Râpă

Morten Sivertsvik

Jan Rosnes

Elisabeta Popa Raluca Dumitriu

Octaviana Marincaș Ecaterina Matei

Cristian Predescu Cornelia Vasile

Polymers Vol. 13 No. 10 pp. 1610 · MDPI AG

View at Publisher Save 10.3390/polym13101610

Abstract

Several recipes based on PLA, bio-plasticizers, and active agents such as vitamin E and cold-pressed rosehip seed oil encapsulated into chitosan by the emulsion method named here as chitosan modified (CS-M) were elaborated by melt compounding for food packaging applications. Resulted biocomposites have been investigated from the point of view of physical-mechanical, thermal, barrier, antimicrobial, and antioxidant properties to select the formulations with the optimum features to produce food trays and films for packaging applications. The obtained results showed that the elaborated formulations exhibit tensile strength and flexibility dependent on their composition being either rigid or flexible, as well as antimicrobial and antioxidant activity, which will potentially lead to prolonged use for food packaging. The recipe with PLA matrix and 40:60 Lapol®108 as masterbarch/polyethylene glycol (MB/PEG) bio-plasticizers ratio was distinguished by an improvement of over 100 times in terms of flexibility compared with neat PLA, while the highest antioxidant activity (36.27%) was recorded for the sample containing a CS-M and MB/PEG ratio of 60:40. An enhancement of ~50% for the water vapor barrier was recorded for PLA/CS-M_100:0 material. By modulating the MB and PEG bio-plasticizers ratio, the design of new eco-friendly food packaging materials with antimicrobial/antioxidant characteristics by using the existing technologies for processing synthetic polymers (melt mixing, compounding, pressing, thermoforming) has been successfully realized.

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Details

Published: May 17, 2021
Vol/Issue: 13(10)
Pages: 1610
License: View

Authors

R

Raluca Darie-Niță

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

M

Maria Râpă

Faculty of Materials Science and Engineering, University POLITEHNICA of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania

M

Morten Sivertsvik

Nofima AS, Department Processing Technology, Richard Johnsens gt 4, 4068 Stavanger, Norway

J

Jan Rosnes

Nofima AS, Department Processing Technology, Richard Johnsens gt 4, 4068 Stavanger, Norway

E

Elisabeta Popa

Faculty of Biotechnology, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Marasesti Blv., District 1, 011464 Bucharest, Romania

R

Raluca Dumitriu

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

O

Octaviana Marincaș

The Faculty of Orthodox Theology “Justinian the Patriarch”, University of Bucharest, Sf. Ecaterina Street, no. 2, Sector 4, 040155 Bucharest, Romania

E

Ecaterina Matei

Faculty of Materials Science and Engineering, University POLITEHNICA of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania

C

Cristian Predescu

Faculty of Materials Science and Engineering, University POLITEHNICA of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania

C

Cornelia Vasile

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

Funding

Ministerul Educaţiei Naţionale Award: 1SEE/2014

Romanian Ministry of Education and Research, CCCDI-UEFISCDI Award: 379PED/2020

Cite This Article

Raluca Darie-Niță, Maria Râpă, Morten Sivertsvik, et al. (2021). PLA-Based Materials Containing Bio-Plasticizers and Chitosan Modified with Rosehip Seed Oil for Ecological Packaging. Polymers, 13(10), 1610. https://doi.org/10.3390/polym13101610

PLA-Based Materials Containing Bio-Plasticizers and Chitosan Modified with Rosehip Seed Oil for Ecological Packaging

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