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Chemcial Industry and Engineering 2017, Vol. 34 Issue (5) :35-42    DOI: 10.13353/j.issn.1004.9533.20161020
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Synthesis and Properties of the Organogelators Based on Pyridine Dicarboxamides
Cao Wenwen, Zhang Meijie, Li Ziyan, Huang Yaodong
Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

Pyridine dicarboxamide derivatives with different side chains, including 4a/4b/4c, 5 and 9, were synthesized and their gelation properties were tested. The results showed that these compounds can form stable gels in some organic solvents and the structure of side chain affects gelling property greatly. Ultra-violet-visible spectroscopy and Fourier transform infrared spectroscopy were used to investigate the driving force of gelation. Gels from these compounds are responsive to fluorine anion, indicating the existence of hydrogen bond. The morphologies of xerogels were observed with scanning electron microscopy. Teas parameters of 9 and eight organic solvents were calculated and a Teas plot was constructed. The validity of expected gelation domain in the Teas plot was verified.

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Cao Wenwen
Zhang Meijie
Li Ziyan
Huang Yaodong
Keywordsorganogel;   pyridinedicarboxamide;   anionic response;   Teas parameter     
Received 2016-03-14;
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Cao Wenwen, Zhang Meijie, Li Ziyan, Huang Yaodong.Synthesis and Properties of the Organogelators Based on Pyridine Dicarboxamides[J]  Chemcial Industry and Engineering, 2017,V34(5): 35-42
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