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- Calorimetric Analysis DSC & DTA
Alfa Chemistry provides you with calorimetric analysis services including DSC and DTA, which are used to measure the heat changes accompanying various physical or chemical processes and help you analyze the changes that occur in flame retardant materials at high temperatures.
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Relying on experienced materials chemists and advanced laboratory equipment, Alfa Chemistry provides calorimetric analysis services to customers with the following research and development needs:
During the research and development process, our material chemists will fully communicate with customers to understand your unique needs and ensure satisfactory flame retardant solutions.
Alfa Chemistry's materials chemists will help you choose the best calorimetric analysis method based on your specific product and customer needs.
Difference
Differential Scanning Calorimetry (DSC) is a thermal analysis method that measures the relationship between the power difference input to a sample and a reference and temperature under programmed temperature conditions.
Differential thermal analysis (DTA) is a thermal analysis method that measures the temperature difference and temperature relationship between a sample and a reference under program-controlled temperature conditions.
Comparison of DSC and DTA Curves
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Study on Curing Kinetics of Flame Retardant Materials by DSC
Hu Jianhua et al. studied the isothermal curing kinetics of DOPO-containing flame retardant epoxy resin by DSC combined with rheological method. The graph below depicts the isothermal cure curves of epoxy resins at five temperatures. The results showed that with the increase of curing temperature, the exothermic peak shifted to a short time, and the heat flow peak was higher. On the other hand, the high temperature curing exothermic peak was sharp, indicating that the reaction was completed in a short time. While at low curing temperatures, such as 110 °C, the exothermic peak broadened, indicating that the reaction took a long time to complete. [1]
Isothermal DSC thermogram of the curing reaction at indicated temperatures [1]
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