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A series of conjugated aromatic polyoxadiazoles was prepared by cyclization with phosphorus oxychloride of the corresponding polyhydrazides. These last ones were obtained by solution polycondensation of 2-alkoxy-terephthaloyl dihydrazides with 2-alkoxy-terephthaloyl dichlorides. Homogeneous thin films of such a material were prepared by the spin-coating technique. Films spun on silica fused were characterized...
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