Photopolymers have received big interest in coating sciences. Quantitative knowledge of reactivity plays one major role to characterize such polymer systems. There are several methods available describing the kinetics of photopolymers operating according to a mechanism in which reaction heat would be released during crosslinking. From this point of view, Differential Scanning Calorimetry (DSC) can be used to determine the reaction heat released upon exposure with light generated either in the UV, visible or near infrared (NIR). Thus, coupling of the DSC with a lamp and synchronization of the begin and the end of exposure opens the possibility to study online photoinduced crosslinking of olefins and epoxies. A commercial solution has been already existing for synchronization between DSC and UV source. Nevertheless, it has not been described a general coupling of the DSC with light sources selected from LEDs or alternative exposure sources operating in the visible or near infrared (NIR). Thus, we describe a hardware and software solution in which nearby every light source can be integrated and synchronized with the DSC.
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