Abstract

Polyester resins and their composite have been evaluated by using two of the thermoanalytical methods viz. Differential Scanning Calorimetry (DSC) and Thermo gravimetry (TG). With the help of DSC, data on state of “B” stage cure, optimum curing temperature was obtained for a polyester resin and Dough Moulding compounds obtained from two different source. These results helped to optimise process parameters. Thermogravimetry has been used to determine heat resistance of polyester resins and DMC composites. Energy oh activation for degradation process has also been calculated which resembles closely with theoretical values. In this Paper, the methodology of experimentation and the results obtained have been discussed which elucidate the importance of using thermo analytical methods for quick and reliable results.

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