Synthesis of Naphthalimidopropyl Acrylate and GMA Copolymers and Their Physical Properties
作者： Deok Jum Lim , Seung Min Oh , Boo Yoon Kim , Jae Kyung Park , Inn-Kyu Kang
关键词: Copolymer 、 Chemistry 、 Polymer chemistry 、 Resonance effect 、 Polar effect 、 Acrylate
摘要: 이 논문은 napthalimidopropylacrylate(NIPA)와 glycidylmethacrylate(GMA) 공중합체의 함성과 물성에 관한 연구로서 조성, 단량체 반응성비, 공명효과(Q)와 극성효과(e), 나프탈렌발색단을 가진 물질의 형광특성 등을 조사하였다. Azobisisobutyronitronitryl(AIBN) 개시제와 dimethylformamide(DMF)용매를 60℃에서 공중합하였다. 단량체의 반응성비는 Fineman-Ross(F-R), Kelen-Tudos(K-T)법으로 반응성비를 구한바, r1은 r2보다 크게 나타났다. NIPA이 GMA보다 공중합의 형성이 더 많음을 알 수 있다. 반응성비의 곱(r1·r2)이 1보다 적어서 불규칙한 교대공중합체가 형성되었고 다른 단량체끼리 결합하게 된 교호공중합체를 형성된 것으로 간주된다. 380 nm에서 약한 분자 형광띠와 460nm에서 강한 중합체 엑시머 형과띠가 NIPA 형광수명은 실온에서 UV 355 nm 파장에서 형광붕괴커브를 나타냈으며 5.1449×10-7s로 GMA 공단량체를 아크릴계에 공중합시켜 우수한 내열성 열경화성 접착제나 코팅제에 응용될 사료된다.
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