Synthesis and Characterization of New Tetraaza-Bridged Polymeric Phthalocyanines

Abstract

New tetraaza-bridged metal-free and metal phthalocyanine polymers were prepared. The metal-free phthalocyanine polymer was obtained by the reaction of 4,4′-(octane-1,5,8,12-tetra-p-tolysulphonyl-1,5,8,12-tetraamine)- diphthalonitrile with hydroquinone. The chlorides of Cu(II), Ni(II) and Co(II) were employed in order to synthesize the corresponding metalphthalocyanine polymer, Zn(CH<inf>3</inf>CO<inf>2</inf>)<inf>2</inf> was used for the preparation of the zinc phthalocyanine, and Fe(CO)<inf>5</inf> was used for the preparation of the Fe-analog. For the preparation of the Co-containing polymer, ammonium molybdate had to be added as catalyst. The new polymers have been characterized by elemental analyses, IR, NMR and UV-VIS spectroscopy. The electrical conductivities of the phthalocyanine polymers measured as gold sandwiches are about 10-9 Sm-1 in vacuo and 10-8 Sm-1 in air. © 1997 Elsevier Science Ltd.