PLA PLASTICIZED WITH ESTERS FOR PACKAGING APPLICATIONS

Andreea  BONDAREV; Stanca  CUC; Daniel  BOMBOȘ; Ioana  PERHAIȚĂ; Dorin  BOMBOȘ

doi:10.24193/subbchem.2023.2.05

PLA PLASTICIZED WITH ESTERS FOR PACKAGING APPLICATIONS

Authors

Andreea BONDAREV S.C. Medacril S.R.L, Mediaş, Sibiu County, Romania; Petroleum-Gas University of Ploieşti, Romania. Corresponding author: bombos.dorin@gmail.com. https://orcid.org/0000-0001-5052-8397
Stanca CUC S.C. Medacril S.R.L, Mediaş, Sibiu County, Romania; “Raluca Ripan” Institute of Chemistry, Babes-Bolyai University, Cluj-Napoca, Romania. Corresponding author: bombos.dorin@gmail.com. https://orcid.org/0000-0002-9812-695X
Daniel BOMBOȘ S.C. Medacril S.R.L, Mediaş, Sibiu County, Romania. Email: Corresponding author: bombos.dorin@gmail.com.
Ioana PERHAIȚĂ “Raluca Ripan” Institute of Chemistry, Babes-Bolyai University, Cluj-Napoca, Romania. Corresponding author: bombos.dorin@gmail.com. https://orcid.org/0000-0003-4378-395X
Dorin BOMBOȘ S.C. Medacril S.R.L, Mediaş, Sibiu County, Romania; Petroleum-Gas University of Ploieşti, Romania. Corresponding author: bombos.dorin@gmail.com.

DOI:

https://doi.org/10.24193/subbchem.2023.2.05

Keywords:

PLA, bioplasticizer, DSC analyses, vitrification temperature, flexural strength, water absorption

Abstract

In this study, polylactic acid PLA was melt blended with bis(2-(2-butoxyethoxy)ethyl) adipate, tributyl citrate and/or sorbitan monooleate. The thermo-mechanical analysis of plasticized PLA highlighted an improvement in its behavior. Thus, the plasticization of PLA with the tested esters favored the lowering of its vitrification temperature and the bending resistance of the tested materials at ss varied in an area of interest for all the tested plasticizers. No significant difference was noted between the maximum flexural strengths and the elongation at deformation recorded at 25°C and those at 4°C for the three recipes. Also, the weight loss of PLA recipes in contact with water decreases in the presence of hydrophobic plasticizers.

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STUDIA UBB CHEMIA, Volume 68 (LXVIII), No. 2, June 2023

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Published

2023-06-30

How to Cite

BONDAREV, A. ., CUC, S. ., BOMBOȘ, D. ., PERHAIȚĂ, I. ., & BOMBOȘ, D. . (2023). PLA PLASTICIZED WITH ESTERS FOR PACKAGING APPLICATIONS. Studia Universitatis Babeș-Bolyai Chemia, 68(2), 73–84. https://doi.org/10.24193/subbchem.2023.2.05