Synthesis and Postfunctionalization of Rod–Coil Diblock and Coil–Rod–Coil Triblock Copolymers Composed of Poly(3-hexylthiophene) and Poly(4-(4′-<i>N</i>,<i>N</i>-dihexylaminophenylethynyl)styrene) Segments
作者:Hiroyuki Fujita、Tsuyoshi Michinobu、Masatoshi Tokita、Mitsuru Ueda、Tomoya Higashihara
DOI:10.1021/ma301692b
日期:2012.12.21
(MALDI–TOF) mass spectrometry. These polymers were efficiently reacted with the living anionic polymers of 4-(4′-N,N-dihexylaminophenylethynyl)styrene (DHPS) to yield novel rod–coil diblock and coil–rod–coil triblock copolymers composed of rigid P3HT and flexible poly(4-(4′-N,N-dihexylaminophenylethynyl)styrene) (PDHPS) segments. The expected structures of the block copolymers were confirmed by size exclusion
在ω链末端带有溴丁基官能团的聚(3-己基噻吩)(P3HT)(P3HT-C 4 Br)在α,ω链末端带有溴丁基官能团的P3HT(BrC 4 -P3HT-C通过选择合适的引发剂进行格利雅复分解反应(GRIM)合成4 Br)。高端辅助功能已通过基质辅助激光解吸电离飞行时间(MALDI-TOF)质谱法确认。这些聚合物可与4-(4'- N,N-二己基氨基苯基乙炔基)苯乙烯(DHPS)的活性阴离子聚合物有效反应,生成由刚性P3HT和柔性聚( 4-(4′- N,N-二己基氨基苯基乙炔基)苯乙烯(PDHPS)段。嵌段共聚物的预期结构通过尺寸排阻色谱(SEC),质子核磁共振(1 H NMR)和傅立叶变换红外(FT-IR)光谱进行了确认。此外,P3HT- b- PDHPS和PDHPS- b- P3HT- b的PDHPS段的侧链炔烃-PDHPS通过[2 + 2]环加成,然后用四氰基乙烯(TCNE)进行环还原,进