Synthesis and Characterization of Unsaturated Polyester Resin and Studying Their Thermo Properties

In the first step of this work, two samples of Unsaturated Polyester based on itaconic acid and 1,2-propylene glycol were prepared by polycondensation. The prepared unsaturated polyesters were identified using IR spectroscopy. In the second step of the work, the prepared unsaturated polyester resins in the previous step has been crosslinked, by chain growth polymerization, using UV radiation and presence of photoinitiator, the crosslinking reaction was tracking using the IR spectroscopy after that thermal properties were studied. Keywords: Unsaturated Polyester, itaconic acid, polycondensation, crosslinking