This work was supported by the National Natural Science Foundation of China (Grant Nos. 59790050-3 and 29704009) ;and the National "863" Program (Grant No. 863-715-002-0120).
The high Tg polyimide embedded with a novel imidazol-typed chromophore 2-[5-(4-nitrostilbenyl)thienyl]-4,S-di(4-aniinophenyl)imidazole (NSTDAPI) was prepared using the 'simultaneous poling and polymerization' techniqu...