Image analysis as a useful tool for fast detection of dimensional and structural changes of poly(ethylene terephthalate) containers

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Nenad Jevremović
Sava Veličković
Melina Kalagasidis Krušić
Vesna Panić
Tanja Volkov-Husović
Radmila Jančić-Heinmann
Ivanka Popović

Abstract

The aim of this paper is to present image analysis as a useful technique for fast, reliable and non-destructive detection of dimensional and structural changes in polymers. The possibility of applying image analysis was demonstrated in the case of solvent-induced crystallization of poly(ethylene terephthalate) (PET) containers filled with commonly used organic solvents: chlorobenzene, isophorone, xylene, Espesol, Shellsol A 100, Solvesso 150, propylene glycol, glycerin and water and subjected to the storage stability test at 54 °C for 14 days (CIPAC 1-MT 46.1.3). In addition, the obtained results were analyzed using one-step analysis of variance (ANOVA) combined with the Duncans statistical test (p<0.05). According to the achieved results, three main impacts of the presented paper could be distinguished: 1) dimensional and transparency changes could be precisely followed by image analysis in both following cases: for small changes in water, as well as for significant ones in chlorobenzene; 2) a correlation between the changes in the degree of crystallinity and transparency could be obtained without the continuous material testing by DSC; 3) image analysis is potentially applicable for assessment of other crystalline polymers.

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How to Cite
Jevremović, N., Veličković, S., Kalagasidis Krušić, M., Panić, V., Volkov-Husović, T., Jančić-Heinmann, R., & Popović, I. (2018). Image analysis as a useful tool for fast detection of dimensional and structural changes of poly(ethylene terephthalate) containers. HEMIJSKA INDUSTRIJA, 72(6), 351–361. https://doi.org/10.2298/HEMIND180516027J
Section
Engineering of Materials - Polymers

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