@article{LavrenkoSchulzStrelinaetal.1997, author = {Lavrenko, Peter N. and Schulz, Burkhard and Strelina, Irina A. and Okatova, Olga V.}, title = {Synthesis and molecular properties of new poly(naphthalene-1,3,4-oxadiazole)s}, year = {1997}, abstract = {Poly[(1,4-naphthalene)-2,5-diyl-1,3,4-oxadiazole] and poly[(2,6-naphthalene)-2,5-diyl-1,3,4-oxadiazole] have been synthesized and investigated in conc. H2S04, by the flow birefringence method in comparison with poly(1,4- phenylene)-2,5-diyl-1,3,4-oxadiazole]. Changes in conformation parameters and optical anisotropy of a chain unit induced by incorporation of the naphthalene groups into the macromolecule backbone have been evaluated.}, language = {en} }