3 years ago

Main-chain biodegradable liquid crystal based on diosgenyl end-capped poly(trimethylene carbonate)

Lianhua Xiao, Xiaoxu Xu, Jianshe Hu, Yanhua Lu, Qifan Chen, Liqun Yang, Yaoqing Wu

Main-chain biodegradable liquid crystal based on c diosgenyl end-capped poly(trimethylene carbonate) [Dios-(TMC)n] was investigated. The novel liquid crystal was synthesized through ring-opening polymerization of trimethylene carbonate initiated by diosgenin, without adding any catalyst. The chemical structure of resulting polymers was confirmed by 1H NMR. The liquid crystalline properties were validated by X-ray diffraction, differential scanning calorimetry, and polarising optical microscopy. The results showed that the synthesized Dios-(TMC)n exhibited liquid crystallinity in particular temperature ranges because of the incorporation of the diosgenin moieties.

Publisher URL: http://www.tandfonline.com/doi/full/10.1080/15421406.2017.1369777

DOI: 10.1080/15421406.2017.1369777

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