Thermal analysis of Muga silk (Antheraea assama) Pupae protein

The Chemical behaviour of the pupae protein (Antheraea assama) were carried out by differential Scanning Calorimetry (DSC) and by Thermo Gravimetry (TG), Differential Thermo Gravimetry (DTG) and Differential Thermal Analysis (DTA). With the typical DSC thermogram of pupae protein of A assama, the glass transition (Tg) temperature, and heat capacity were determined. TG, DTG and DTA studies of pupae protein showed the decomposition temperature and exothermic peak temperature. In this study it was found that thermal decomposition of protein had taken place in three main degradation steps referred as initiation, propagation and carbonization in which weight changes in protein samples were recorded as a reaction temperature that is — deformation, degradation and decomposition.