The kinetic degradation of LDPE films subjected to aggressive environments

Imad Kashi; Ouahida Zeghouan; Karim Moussaceb

doi:10.14314/polimery.2022.6.3

Published : 2022-07-14

Vol. 67 No. 6 (2022)

The kinetic degradation of LDPE films subjected to aggressive environments

Imad Kashi https://orcid.org/0000-0003-3853-8298 Ouahida Zeghouan https://orcid.org/0000-0002-7094-8986 Karim Moussaceb https://orcid.org/0000-0003-1475-0729

DOI: https://doi.org/10.14314/polimery.2022.6.3

Abstract

The effect of natural and thermo-oxidative aging on the structure and physicochemical properties of LDPE films stabilized with hindered amine light stabilizers (HALS) was investigated. Based on multiple linear regression analysis (MLRA) mathematical models to predict the lifetime of the LDPE were developed. Four statistical criteria were used to evaluate the developed models: residual variance, coefficient of determination, Student's test and the Fisher-Snedecor test. The half-life times predicted by the mathematical models were found to be statistically significant (p < 0.05).

Keywords

low-density polyethylene, modeling, kinetic degradation, half-life time and thermo-oxidation polietylen małej gęstości ; modelowanie ; kinetyczna degradacja ; okres półtrwania ; termo-utlenianie

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Kashi, I., Zeghouan, O., & Moussaceb, K. (2022). The kinetic degradation of LDPE films subjected to aggressive environments . Polimery, 67(6), 255-260. https://doi.org/10.14314/polimery.2022.6.3

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Imad Kashi i.kashi@crbt.dz
https://orcid.org/0000-0003-3853-8298

Affiliation
Laboratory of Molecular and Macromolecular Synthesis and Characterization, Industrial Biotechnology Division, Biotechnology Research Centre (C.R.Bt), Constantine, Algeria

Ouahida Zeghouan
https://orcid.org/0000-0002-7094-8986

Affiliation
Laboratory of Molecular and Macromolecular Synthesis and Characterization, Industrial Biotechnology Division, Biotechnology Research Centre (C.R.Bt), Constantine, Algeria

Karim Moussaceb
https://orcid.org/0000-0003-1475-0729

Affiliation
Faculté de Technologie-Laboratoire de Technologie des Matériaux et de Génie Des Procédés–Route de Targa-Ouzemour, Université A-MIRA Bejaia, 06000, Algérie