分子内电荷移动型共轭聚合物的固相法制备及表征  

Solid-State Reaction Synthesis and Characterization of Conjugated Polymer with Charge Transferring in Molecule

作　　者：张子印[1] 刘彩霞[2] 宋微娜[1] 殷德刚[1] 司马义·努尔拉[1] 

机构地区：[1]新疆大学化学化工学院,新疆乌鲁木齐830046 [2]北京工商大学化学与环境工程学院,北京100037

出　　处：《高分子材料科学与工程》2009年第3期28-31,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(20274035,20674066)

摘　　要：首次使用固相法制备出了分子内电荷移动型(CT type)共轭聚合物聚(3,6-二噻基-哒嗪)(P(DThPD)),在25℃测得聚合物的特性黏度为0.67 dL/g。并利用核磁共振谱(1H-NMR)、红外光谱(FT-IR)、紫外-可见光谱(UV-vis)、电子扫描显微镜(SEM)、电子透射显微镜(TEM)、元素分析(elemental analysis)、循环伏安(CV)等测试方法对聚合物进行了表征。结果表明,DThPD在研磨过程中在d,d′位置发生了聚合反应,生成了纳米粒子聚合物,并且聚合物具有一定的电化学活性。A novel pyridazine derivative 3,6-dithiophenyl-pyridazine has been synthesized by coupling of 3, 6- dibromo-pyridazine and 2-（tributylstannyl）-thiophene via Stille reaction. Poly （3, 6-dithiophenyl-pyridazine）, of which the intrinc viscositic in DMF is 0.67 dL/g at 25 ℃. Charge transfer type（CT type） in molecule conjugated polymer （poly（3,6-dithiophenyl-pyridazine）） was synthesized by one-step solid-state reaction at room temperature. To our knowledge, it＇s the first time to prepare pyridazine-based conjugated polymers using this polymerization method by nowadays. The chemical structure of monomer and polymer was verified by ^1H-NMR, FT-IR and elemental analysis, and the ^1H-NMR and FT-IR. Results show that polymerization is happened at the d, d′-positions of 3, 6-dithiophenyl-pyridazine. The optical, microscopy and electrochemistry properties of polymer were also investigated here. The conjugated polynler is a kind of potential functional,macromolecule material.

关 键 词：固相聚合 聚(3  6-二噻基-哒嗪) 共轭聚合物 Pd(PPh3)4催化剂 

分 类 号：TQ316.337[化学工程—高聚物工业]