- Volume 22 Issue 4
Syntheses and Characterization of Polyurethane Polymers with Versatile Stilbene Chromophores
Stilbene 발광 유도체를 가지는 Polyurethane을 기본으로 하는 고분자의 합성 및 특성
- Jin, Youngeup (Department of Industrial Chemistry, Pukyong National University) ;
- Noh, Ji Young (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University) ;
- Park, Seong Soo (Department of Industrial Chemistry, Pukyong National University) ;
- Ju, Changsik (Department of Chemical Engineering, Pukyong National University) ;
- Suh, Hongsuk (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University)
- 진영읍 (부경대학교 공업화학과) ;
- 노지영 (부산대학교 화학과, 기능성 물질 화학 연구소) ;
- 박성수 (부경대학교 공업화학과) ;
- 주창식 (부경대학교 화학공학과) ;
- 서홍석 (부산대학교 화학과, 기능성 물질 화학 연구소)
- Received : 2011.06.09
- Accepted : 2011.07.16
- Published : 2011.08.10
In this research, we have synthesized new pendant-type polyurethane polymers by introducing various chromophores with stilbene derivatives in the side-chain of the polymer backbone. The Stilbene monomers, N,N-bis(2-hydroxyethyl) amino-4'-cyanostilbene, N,N-bis(2-hydroxyethyl)amino-4'-methoxy stilbene, N,N-bis(2-hydroxyethyl)amino-4'-acetylstilbene, and N,N-bis(2-hydroxyethyl) amino stilbene, were synthesized by Wittig reaction. Another stilbene monomer, N,N-bis(2-hydroxyethyl)amino-4'-nitrostilbene, was synthesized by Knoevenagel condensation. By the measurement of UV-Vis absorption and Photoluminescence (PL) spectrum, we found that introduction of the electron-withdrawing group as a substituent shifts both UV-Vis and PL spectra to longer wavelength, and the introduction of the electron-donating group results in blue-shift of the spectrum. In case of polymer with
Supported by : 한국연구재단
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