One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 1072-62-4, Name is 2-Ethyl-1H-imidazole, formurla is C5H8N2. In a document, author is Pilawka, R., introducing its new discovery. Product Details of 1072-62-4.
Effect of 1-substituted imidazole derivatives for the curing process of epoxy-isocyanate composition
The kinetics of the curing process of isocyanate-epoxy materials hardened in the presence of 1-substituted imidazole derivatives was studied by the Coast-Redfern method. The extent of a conversion parameter of the curing process in two ways was calculated: DSC (peak area integration) and rheology (viscosity changes). The activation energy values were determined for epoxy-isocyanate cured in the presence of 0.5; 1.0 and 2.0 phr 1-substituted imidazole derivatives respectively. Increasing of accelerators amount results in decreasing the activation energy and other kinetic parameters.
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