A new symmetrical diamine containing triaryl imidazole pendent group was successfully synthesized by the nucleophilic substitution reaction of hydroquinone with 2-(2-chloro-5-nitrophenyl)-4, 5-diphenyl-1H-imidazole (I). A series of polyamides (PAs) were prepared from the diamine monomer and various dicarboxylic acids via phosphorylation polyamidation. These PAs are readily soluble in many organic solvents; their inherent viscosities ranged from 0.58 to 0.89 dL/g and gave tough and flexible films by solution-casting. They had useful levels of thermal stability associated with relatively high Tgs (186-278 °C), 10% weight loss temperatures in excess of 355 °C, and char yields at 600 °C in air up to 67%. All the polymers emitted in dilute (0.2 g/dL) DMAc solution (425-495), with photoluminescence (PL) quantum yields in the range 0.14-0.28. The chemiluminescence activity of polyamides was studied in the presence of peroxyoxalate[1-3].
