Synthesis and characterization of new covalent chains of 2,5-bi-(4-alcoxyphenyl)-1,3,4-oxadiazole and its polymers and study of their liquid crystal properties. cbej [Internet]. 2022 Dec. 9 [cited 2024 Jul. 8];23(99):85-100. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6609