Kalsiyum floroborat sentezi, kinetik ve alev geciktirici özelliklerinin belirlenmesi

In this study, the synthesis parameters of calcium fluoroborate, one of the special boron compounds, were determined and its flame retardant properties in cotton fabric were investigated. In addition, kinetic studies were carried out to calculate the reaction order and activation energy. Calcium fluoroborate was synthesized by wet method using calcium oxide and fluoroboric acid as reactants. The parameters examined were reactant mole ratio (nCaO/nHBF 4 ), temperature and reaction time. FT-IR, XRD and BF 4 - ion selective electrode were used for characterization studies. Thermogravimetric-differential thermal analysis (TG-DTA) was used to characterize the thermal behavior. Calcium fluoroborate was synthesized with 97% yield when molar ratio of reactants, temperature and reaction time are set as 1:4, 90°C and 100 minutes, respectively. In addition, kinetic experiments reveal that the reaction order obeys to first order kinetics and the activation energy was found as 19.14 kJ/mol. LOI tests were used to determine the flame retardant properties of synthesized calcium fluoroborate. Tests proved that the calcium fluoroborate has very good flame retardant properties.