화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2014년 가을 (10/06 ~ 10/08, 제주 ICC)
권호 39권 2호
발표분야 고분자합성
제목 Synthesis and Characterization of Bicyclic Polystyrene
초록 The synthesis of diverse polymeric architectures has opened new avenues in polymer science because of their unique physical properties that depend on the architectural topology of respective macromolecules. Among the numerous architectures, cyclic polymers often exhibit distinct physical properties including reduced hydrodynamic volume and radii, reduced viscosity, elevated Tg that differ from their linear counterparts. However, there remains substantial interest in both developing new approaches and improving existing methods for the preparation of topologically complex cyclic polymers with high purity. In this study, bicyclic polystyrene was prepared by combining ATRP and click chemistry. The bicyclic polymer was separated from concurrently produced acyclic (branched) polymers through fractional precipitation. Its purity was quantified by two-dimensional liquid chromatography analysis. The structure of bicyclic polymer was characterized by SEC, MALDI-TOF MS, 1H NMR and FT-IR.
저자 정종화1, 정해지1, 김기현2, 장유진3, 전흥배3, Krzysztof Matyjaszewski4, 장태현2, 백현종1
소속 1부산대, 2포항공과대, 3광운대, 4Carnegie Mellon Univ.
키워드 Atom transfer radical polymerization; Click chemistry; Cyclization; Bicyclic polymer; Multi-bridged polymer
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