In situ real-time monitoring of epoxy/amine kinetics by remote near infrared spectroscopy |
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Authors: | Jovan Mijović ,Saš a Andjelić ,José M. Kenny |
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Abstract: | An experimental set-up for in situ real-time monitoring of chemical reactions by remote fiber optic near-infrared spectroscopy was assembled in our laboratory and is described in this communication. A series of epoxy/amine formulations, nonpolymer-forming, and polymerforming alike, were prepared and their reaction kinetics investigated. Accurate and reproducible spectra were generated, the characteristic near-infrared peaks assigned, and the reaction kinetics evaluated by monitoring the rates of disappearance and/or appearance of the characteristic peaks. The effect of the chemical structure and functionality of the components were pointed out and a method suggested to correlate the spectral information with the chemophysical changes in multifunctional formulations. |
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Keywords: | in-situ monitoring near-IR spectroscopy sensors |
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