以3-溴噻吩、正丁基锂和1,6-二溴己烷为原料,经过改良的Li-Br交换反应、溴化反应、GRIM法成功合成了聚[3-(6-溴己基)噻吩]。通过傅里叶变换红外光谱(FT-IR),核磁共振波谱(1 H-NMR)、GPC、紫外吸收分光光谱(UV-Vis)及荧光发射光谱(PL)对中间产物及聚合物进行了结构和性能表征。结果表明,所合成聚合物与目标产物的结构一致。聚合物的数均分子量为5725,多分散系数为1.39,在氯仿溶液中最大吸收波长在398nm,最大发射波长在553nm。 Poly [3- (6-bromohexyl) -piperidin-4-one was successfully synthesized by 3-bromothiophene, n-butyllithium and 1,6-dibromohexane through improved Li- Thiophene]. The intermediates and polymers were characterized by FT-IR, 1 H-NMR, GPC, UV-Vis and PL spectra And performance characterization. The results show that the structure of the synthesized polymer and the target product are consistent. The polymer had a number average molecular weight of 5725, a polydispersity of 1.39, a maximum absorption wavelength of 398 nm in chloroform solution and a maximum emission wavelength of 553 nm.