Two novel conjugated hole transport polyazomethine materials have been reported by the reaction between 4,4'-bisamine-triphenylamine and dialdehydes. The polymers have non-cry stall me, heat resistance stability, hole transport properties. The polymers were characterized by IR, and H-1 NMR spectroscopies. The crystalline actions of the condensed polymers that were synthesized from different solvents were investigated by X-ray diffraction study. The result indicated that no crystalline phenomenon occurred when the solvent was dimethylbenzene. The thermal stability of the polymers was conducted by thermogravimetry (TG) and differential thermal analysis (DTA). The ionization energy and frontier linear molecular orbital level were calculated by quantum chemical initial calculation method, which indicated that the polymers have Rood thermal stability and hole transportation properties. (C) 2004 Elsevier B.V. All rights reserved.