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Materiale Plastice
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Materiale Plastice (Mater. Plast.), Year 2019, Volume 56, Issue 1, 87-91

https://doi.org/10.37358/MP.19.1.5129

Eduard-marius Lungulescu, Iosif Lingvay, Adriana-mariana Bors, Laszlo Fortuna, Nicoleta-oana Nicula(butoi)

Assessment of Paint Layers Quality by FTIR and DSC Techniques


Abstract:
In order to identify the causes that led to microbiological degradation by biofouling increases a top coat painting layer applied to a railway bridge was analyzed by both FTIR and the DSC methods; the analysed painting material was that used to paint the bridge in 2013.The determinations were performed comparatively on samples of a similar painting material after 10 days of curing in a natural atmosphere at 25 ± 5 °C, after 60 days of storage under laboratory conditions (22 ± 5 °C, RH 60 ± 10 %, natural lighting), and on samples from the painting material of a certain railway bridge after approx. 4.5 years (exposed natural weathering of temperate climate with Mediterranean influences). From FTIR determinations, the amount of oxygen containing groups (C = O, C-O, C-O-C, -HO) resulted from ageing under various conditions of the painting material.From DSC determinations, the resistance of the paint to the oxidative degradation decreases with the ageing time as resulted from oxidation onset temperatures and oxidation activation energies values - which decreases with 4 kJ / mole (about 2.2 %) in only 60 days of storage in the laboratory and with 7 kJ/mole (about 3.9 %) following exposure to 100 w/m2 for only 15 h and 29 kJ / mole (over 16 %) after exposure to 4.5 years of natural weathering.


Keywords:
painting material; ageing; natural weathering; polyurethane; FTIR; DSC

Issue: 2019 Volume 56, Issue 1
Pages: 87-91
Publication date: 30/03/2019
https://doi.org/10.37358/MP.19.1.5129
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
LUNGULESCU, E., LINGVAY, I., BORS, A., FORTUNA, L., NICULA (BUTOI), N., Assessment of Paint Layers Quality by FTIR and DSC Techniques, Mater. Plast., 56(1), 2019, 87-91.

Vancouver
Lungulescu E, Lingvay I, Bors A, Fortuna L, Nicula (butoi) N. Assessment of Paint Layers Quality by FTIR and DSC Techniques. Mater. Plast.[internet]. 2019 Jan;56(1):87-91. Available from: https://doi.org/10.37358/MP.19.1.5129


APA 6th edition
Lungulescu, E., Lingvay, I., Bors, A., Fortuna, L. & Nicula (butoi), N. (2019). Assessment of Paint Layers Quality by FTIR and DSC Techniques. Materiale Plastice, 56(1), 87-91. https://doi.org/10.37358/MP.19.1.5129


Harvard
Lungulescu, E., Lingvay, I., Bors, A., Fortuna, L., Nicula (butoi), N. (2019). 'Assessment of Paint Layers Quality by FTIR and DSC Techniques', Materiale Plastice, 56(1), pp. 87-91. https://doi.org/10.37358/MP.19.1.5129


IEEE
E. Lungulescu, I. Lingvay, A. Bors, L. Fortuna, N. Nicula(butoi), "Assessment of Paint Layers Quality by FTIR and DSC Techniques". Materiale Plastice, vol. 56, no. 1, pp. 87-91, 2019. [online]. https://doi.org/10.37358/MP.19.1.5129


Text
Eduard-marius Lungulescu, Iosif Lingvay, Adriana-mariana Bors, Laszlo Fortuna, Nicoleta-oana Nicula(butoi),
Assessment of Paint Layers Quality by FTIR and DSC Techniques,
Materiale Plastice,
Volume 56, Issue 1,
2019,
Pages 87-91,
ISSN 2668-8220,
https://doi.org/10.37358/MP.19.1.5129.
(https://revmaterialeplastice.ro/Articles.asp?ID=5129)
Keywords: painting material; ageing; natural weathering; polyurethane; FTIR; DSC


RIS
TY - JOUR
T1 - Assessment of Paint Layers Quality by FTIR and DSC Techniques
A1 - Lungulescu, Eduard-marius
A2 - Lingvay, Iosif
A3 - Bors, Adriana-mariana
A4 - Fortuna, Laszlo
A5 - Nicula (butoi), Nicoleta-oana
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2019
VL - 56
IS - 1
SP - 87
EP - 91
UR - https://doi.org/10.37358/MP.19.1.5129
KW - painting material
KW - ageing
KW - natural weathering
KW - polyurethane
KW - FTIR
KW - DSC
ER -


BibTex
@article{MatPlast2019P87,
author = {Lungulescu Eduard-marius and Lingvay Iosif and Bors Adriana-mariana and Fortuna Laszlo and Nicula (butoi) Nicoleta-oana},
title = {Assessment of Paint Layers Quality by FTIR and DSC Techniques},
journal = {Materiale Plastice},
volume = {56},
number = {1},
pages = {87-91},
year = {2019},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.19.1.5129},
url = {https://revmaterialeplastice.ro/Articles.asp?ID=5129}
}

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