Resin abbreviated as HBTE-I was synthesized by polycondensation in presence of PPA using phydroxybenzaldehyde (0.1 M), thiourea (0.1 M) and ethylene glycol (0.3 M). The structure of resin was assigned by elemental analysis, IR, NMR spectroscopy. Resin was found to show semiconducting behavior in the temperature range 303 K to 468 K. The activation energy of conduction was found to be 2294.3 J mol-1. The thermokinetic parameters were determined by Freeman-Carroll (FC) and Sharp- Wentworth (SW) method in temperature range 215 - 6250C. The thermokinetic parameters calculated with aid of these methods were found to be in good agreement.