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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received August 16, 2013
Accepted October 11, 2013
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Luminous polyimide bearing the coumarin 6 chromophore in the side group: Synthesis and fluorescence image patterning

Department of Pharmaceutical Engineering, International University of Korea, Jinju 660-759, Korea 1Department of Polymer Science, Kyungpook National University, Daegu 702-701, Korea
Korean Journal of Chemical Engineering, January 2014, 31(1), 172-177(6), 10.1007/s11814-013-0210-9
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Abstract

Coumarin was reacted with polyamic acid to form a luminous polyimide that is highly soluble in organic solvents and displays good thermal stability. Luminous side-chain coumarin 6 polyimide was obtained from incorporation of sulfonated coumarin 6 into polyamic acid. This polymer appeared in reddish brown solids and unusually exhibited a fairly strong visible light-emission of a yellowish green color. Fluorescence image patterning of side-chain coumarin 6 polyimide was successfully conducted by microtransfer molding of the polyamic acid and the subsequent_x000D_ thermal treatment for imidization. The polyimides exhibit high fluorescence, opening the possibility of new applications for these polymers.

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