Synthesis and Properties of Conjugated Polymer with Carboxylic Acids

Won-Chul Lee Department of Textile and Fashion Technology, Kyungil University, Gyungsan, KoreaCorrespondence[email protected]

Sung-Ho Jin Department of Chemistry Education, Pusan National University, Busan, Korea

Tai-Long Gui Department of Material Physics, Harbin University of Science and Technology, Harbin, China

Kwon Taek Lim Division of Image and Information Engineering, Pukyong National University, Busan, Korea

Chang-Jun Lee Department of Chemistry, Center for Nanotech. Res., The Catholic University, Bucheon, Korea

Young-Il Park Department of Chemistry, Center for Nanotech. Res., The Catholic University, Bucheon, Korea

Jong-Wook Park Department of Chemistry, Center for Nanotech. Res., The Catholic University, Bucheon, Korea

Sang-Hee Jang Department of Food and Nutrition, Kumi College, Kumi, Korea

Yeong-Soon Gal Polymer Chemistry Laboratory, College of Engineering, Kyungil University, Kyungsan, Korea

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Abstract

An ionic conjugated polymer was prepared by the spontaneous polymerization reaction of ethynylpyridines by using 11-bromoundecanoic acid in high yield without any additional initiator or catalyst. The activated acetylenic triple bond of N-substituted-2-ethynylpyridinium bromide, formed at the initial quaternarization process, was susceptible to linear polymerization. The polymer structure was characterized by various instrumental methods such as NMR, IR, and UV-visible spectroscopies. The photoluminescence peak is located at 593 nm corresponding to a photon energy of 2.09 eV. The electrochemical properties of this ionic polyacetylene were also measured and discussed.

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Acknowledgments

This work was supported by research fund of Kyungil University.

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