席夫碱侧链聚硅氧烷液晶固定相的制备与色谱性能  

Preparation and Chromatographic Characteristics of Shiff-base Side-chain Polysiloxane Liquid Crystalline Stationary Phase

作　　者：唐新德[1] 张其震[1] 赵军2 

机构地区：[1]山东大学化学与化工学院

出　　处：《分析化学》2002年第4期458-460,共3页Chinese Journal of Analytical Chemistry

摘　　要：将合成的席夫 (Schiff)碱侧链聚硅氧烷高分子液晶化合物用作毛细管柱气相色谱固定相 ,具有较高的柱效 ,热稳定性较好 ,最高柱温可达 2 80℃ ;对苯的各种取代物、酚类及多环芳烃有良好的选择性 ,尤其对位置异构体有独特的分离效果。A new stationary phase, Shiff-base side-chain polysiloxane was synthesised and used in capillary column gas chromatography. It shows higher efficiency, with 2560 plates/m for anthracene at 180degreesC, has better thermostability and can be used under the temperature of 280degreesC. It exhibits excellent selectivity to some organic compounds such as replaced-benzenes, phenols and polycyclic aromatic hydrocarbon, especially positional isomers. The mixture of anthracene, phenanthrene, fluorene and acenaphthylene, dimethyl phenols and dichlorobenzene are separated well.

关 键 词：席夫碱 侧链聚硅氧烷 液晶 固定相 制备 色谱性能 毛细管柱气相色谱 

分 类 号：O658[理学—分析化学]