Fixation of Surface-Modified Polydiacetylene Nano/Microcrystals on Substrates
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概要
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Polydiacetylene nanocrystals (NCs) and fibrous microcrystals (FMCs), whose surfaces were modified by carboxyl groups, were prepared by radical-initiator-induced solid-state polymerization of NCs and FMCs of 1,6-di(<i>N</i>-carbazolyl)-2,4-hexadiyne using 2,2$'$-azobis{2-[<i>N</i>-(2-carboxylethyl)amidino]propane}. The NCs and FMCs could be attached to glass substrates modified by amino groups when the glass substrates were immersed into NC and FMC dispersions of <i>N</i>,<i>N</i>-dimethylformamide. However, the adhesive force was weak and the ultrasonic treatment almost removed the NCs and FMCs. On the other hand, after heat treatment of the NCs and FMCs weakly bonded on the glass substrates, we found that 81% of the NCs and 56% of the FMCs remained on the substrates after sonication. The annealing process seemed to accelerate the condensation reaction between crystals and the substrates to form covalent bonds.
- 2011-09-25
著者
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Tatewaki Yoko
Graduate School Of Environmental Science Hokkaido University
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Okada Shuji
Graduate School Of Science And Engineering Yamagata University
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Moritani Yuto
Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
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Tatewaki Yoko
Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
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Kinemuchi Takahiro
Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
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