In this paper, the new chelating resin (PSIM) with a polythioether backbone bearing imidazole group is first synthesized by the reaction between polychloromethylthiirane and imidazole.

聚环硫氯丙烷与咪唑进行高分子反应，合成了以聚硫醚为主链、侧链带有咪唑团的螯合树脂（简称PSIM）。