Differential scanning calorimetry (DSC) is one of the thermal decomposition analytical methods which have most diverse applications in the study of polymeric systems. For example, it is used in determination of specific heat capacity and changes in enthalpy of a chemical reaction from the endothermic or exothermic reaction type. Photo-differential scanning calorimeter is a new type of calorimeter that due to its simplicity and high speed provides the ability to study the light initiated polymerization kinetics in a short timeframe. Photo-DSC assesses many variables such as monomer structure and optical triggers at polymerization, formulation composition, temperature and the effect of atmosphere (inert gas or air (oxygen)) and it gives reliable results which is widely employed in recent years.
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