The use of fast FT-IR spectroscopy as a sensitive method to estimate a change of the crosslinking kinetics of epoxy resin with polyamine adducts is described in this study. A new epoxy formulation based on the use of polyamine adducts as the hardeners was analyzed. Crosslinking reactions of the different stoichiometric mixtures of the unmodified GY250 epoxy resin with the aliphatic EH606 and the cycloaliphatic EH637 polyamine adducts were studied using mid FT-IR spectroscopic techniques. As the crosslinking proceeded, the primary amine groups in polyamine adduct are converted to secondary and the tertiary amines. The decrease in the IR band intensity of epoxy groups at about 915 cm(-1), as well as at about 3,056 cm(-1), was observed due to process. Mid IR spectral analysis was used to calculate the content of the epoxy groups as a function of crosslinking time and the crosslinking degree of resin. The amount of all the epoxy species was estimated from IR spectra to changes during the c...rosslinking kinetics of epichlorhydrin.
TY - JOUR
AU - Nikolić, Goran
AU - Zlatković, Sasa
AU - Cakić, Milorad
AU - Cakić, Suzana
AU - Lačnjevac, Časlav
AU - Rajić, Zoran
PY - 2010
UR - http://aspace.agrif.bg.ac.rs/handle/123456789/2369
AB - The use of fast FT-IR spectroscopy as a sensitive method to estimate a change of the crosslinking kinetics of epoxy resin with polyamine adducts is described in this study. A new epoxy formulation based on the use of polyamine adducts as the hardeners was analyzed. Crosslinking reactions of the different stoichiometric mixtures of the unmodified GY250 epoxy resin with the aliphatic EH606 and the cycloaliphatic EH637 polyamine adducts were studied using mid FT-IR spectroscopic techniques. As the crosslinking proceeded, the primary amine groups in polyamine adduct are converted to secondary and the tertiary amines. The decrease in the IR band intensity of epoxy groups at about 915 cm(-1), as well as at about 3,056 cm(-1), was observed due to process. Mid IR spectral analysis was used to calculate the content of the epoxy groups as a function of crosslinking time and the crosslinking degree of resin. The amount of all the epoxy species was estimated from IR spectra to changes during the crosslinking kinetics of epichlorhydrin.
PB - MDPI, BASEL
T2 - Sensors
T1 - Fast Fourier Transform IR Characterization of Epoxy GY Systems Crosslinked with Aliphatic and Cycloaliphatic EH Polyamine Adducts
EP - 696
IS - 1
SP - 684
VL - 10
DO - 10.3390/s100100684
ER -
@article{
author = "Nikolić, Goran and Zlatković, Sasa and Cakić, Milorad and Cakić, Suzana and Lačnjevac, Časlav and Rajić, Zoran",
year = "2010",
abstract = "The use of fast FT-IR spectroscopy as a sensitive method to estimate a change of the crosslinking kinetics of epoxy resin with polyamine adducts is described in this study. A new epoxy formulation based on the use of polyamine adducts as the hardeners was analyzed. Crosslinking reactions of the different stoichiometric mixtures of the unmodified GY250 epoxy resin with the aliphatic EH606 and the cycloaliphatic EH637 polyamine adducts were studied using mid FT-IR spectroscopic techniques. As the crosslinking proceeded, the primary amine groups in polyamine adduct are converted to secondary and the tertiary amines. The decrease in the IR band intensity of epoxy groups at about 915 cm(-1), as well as at about 3,056 cm(-1), was observed due to process. Mid IR spectral analysis was used to calculate the content of the epoxy groups as a function of crosslinking time and the crosslinking degree of resin. The amount of all the epoxy species was estimated from IR spectra to changes during the crosslinking kinetics of epichlorhydrin.",
publisher = "MDPI, BASEL",
journal = "Sensors",
title = "Fast Fourier Transform IR Characterization of Epoxy GY Systems Crosslinked with Aliphatic and Cycloaliphatic EH Polyamine Adducts",
pages = "696-684",
number = "1",
volume = "10",
doi = "10.3390/s100100684"
}
Nikolić, G., Zlatković, S., Cakić, M., Cakić, S., Lačnjevac, Č.,& Rajić, Z.. (2010). Fast Fourier Transform IR Characterization of Epoxy GY Systems Crosslinked with Aliphatic and Cycloaliphatic EH Polyamine Adducts. in Sensors
MDPI, BASEL., 10(1), 684-696.
https://doi.org/10.3390/s100100684
Nikolić G, Zlatković S, Cakić M, Cakić S, Lačnjevac Č, Rajić Z. Fast Fourier Transform IR Characterization of Epoxy GY Systems Crosslinked with Aliphatic and Cycloaliphatic EH Polyamine Adducts. in Sensors. 2010;10(1):684-696.
doi:10.3390/s100100684 .
Nikolić, Goran, Zlatković, Sasa, Cakić, Milorad, Cakić, Suzana, Lačnjevac, Časlav, Rajić, Zoran, "Fast Fourier Transform IR Characterization of Epoxy GY Systems Crosslinked with Aliphatic and Cycloaliphatic EH Polyamine Adducts" in Sensors, 10, no. 1 (2010):684-696,
https://doi.org/10.3390/s100100684 . .
