화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2009년 봄 (04/09 ~ 04/10, 대전컨벤션센터)
권호 34권 1호
발표분야 고분자 합성
제목 Photoresponsive Behaviors of Well-Defined Rod-Coil Blcok Copolymers through Combination of Chain-Growth Condensation Polymerization and Atom Transfer Radical Polymerization
초록 Self-assembly of block copolymers and their phase-separated nanostructures have attracted much research interest due to their high potential in the bottom-up lithography. However, it is still challenging to achieve complex patterns with periods below 20 nm as well as patterns responsive to external stimuli. In this study, we describe novel condensation-b-addition type rod-coil block copolymers containing azobenzene groups in the main chain of the rod segment as photo-switching units. The block copolymer is expected to exhibit photoresponsive phase-separated structure with the small domain size. Synthetic methods and photoresponsive behaviors of the well-defined block copolymers with controlled molecular weights and narrow polydispersities will be presented.
저자 허재원, 서명은, 신선희, 김윤준, 김상율
소속 KAIST
키워드 chain-growth condensation polymerization; atom transfer radical polymerization
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