Citation
Mahmad Ayop, Fazilah and Silong, Sidik and Halim, Hafizah and Ab. Rahman, Mohamad Zaki and Wan Yunus, Wan Md. Zin and Abd. Moksin, Mohd Maarof
(2005)
Synthesis and characterization of discotic liquid crystal molecule containing S-benzyldithiocarbazate.
In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 367-372).
Abstract
A liquid crystal molecule was successfully prepared by using S-benzyldithiocarbazate as precursor for the thio-mesogenic group and cyanuric acid derivative as the core reagent. The S-benzyldithiocarbazate intermediate was subjected to several steps of alkylation and condensation reactions to afford the pheriperal unit. The discotic liquid crystal was obtained with further reaction with 2,4,6-trichloro-[1,3,5]triazine. The precursor and the
liquid crystal molecule have been characterized by elemental and spectroscopic methods. The phase-transition temperatures of the molecules were studied with differential
scanning calorimetry, and the mesophase was identified with polarizing optical microscopy technique.
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