A new class of ionic liquid-containing triblock copolymers have been prepared viaRAFT polymerization of the imidazolium methacrylate monomer using a telechelic fluoropolymer as the macro-chain transfer agent. It is found that the anionic counterion has a direct impact on the thermal properties, ionic conductivity and segmental dynamics of the polymers. The temperature dependence of the ionic conductivity is well described by the Vogel-Tamman-Fulcher model, suggesting that ion motion is closely coupled to segmental motion.
通过使用具有末端官能团的
氟聚物作为宏观链转移剂,通过可逆加成断裂链转移(RAFT)聚合咪唔甲酯单体,制备了一类含有
离子液体的新型三嵌段共聚物。研究发现阴离子反离子对聚合物的热性能、离子导电性和链段动力学有直接影响。离子导电性的温度依赖性可以很好地由Vogel-Tamman-Fulcher模型描述,这表明离子运动与链段运动紧密耦合。