Synthesis,characterization and TG-DTA study of diethyl 5-(4-hydroxyethoxyphenylazo)isophthalate |
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| Authors: | Yu S. J. Wang S. X. Tan Z. C. Liao C. Q. Li Y. S. |
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| Affiliation: | (1) School of Mining Engineering and Metallurgy, National Technical University of Athens, 9 Heroon Polytechniou, 15773 Athens, Greece;(2) School of Chemical Engineering, National Technical University of Athens, 9 Heroon Polytechniou, 15773 Athens, Greece |
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| Abstract: | In this work, the hydration rate and products of blended zeolite cements were studied for periods up to 360 days. Thermoanalytical methods (TG/DTG and DTA) were applied in order to evaluate the hydration rate of blended cements, while. X-ray diffraction and FTIR spectroscopy were used in order to identify the hydrated products. As it is concluded the incorporation of zeolite in cement contributes to the consumption of Ca(OH)2 formed during the cement hydration and the formation of cement-like hydrated products. The pozzolanic reaction of the zeolite is rather slow during the first days of hydration but it is accelerated after the 28 days. |
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| Keywords: | Cement Zeolite Hydration |
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