Synthesis and characterization of polyamideimides from diaminobenzophenone-3,3′ ,4,4′ -tetracarboxylic diimides and aromatic dicarboxylic acid— terephthalic acid (TPA). Int. J. Emerg. Trends Sci. Technol. 2016;3(06):4171-4175. Accessed October 24, 2026. https://www.ijetst.in/index.php/ijetst/article/view/1125