Used primarily in research and specialty applications, this polymer serves as a fluorescent probe or sensor due to its inherent light-emitting properties. Its aromatic structure allows for strong UV absorption and emission, making it suitable in optical devices and studies involving energy transfer. It is also explored in polymer blends and nanocomposites to modify mechanical or thermal properties. Additionally, it acts as a model compound in polymer degradation studies and chromatographic analysis because of its well-defined structure and stability.