高分子微球的沉淀聚合法制备及色谱性能  

Chromatographic performance of polymeric microspheres synthesised by precipitation polymerization

作　　者：马言顺[1] 吴珊[1] 刘文乐[1] 张景[1] 周湘富[1] 

机构地区：[1]四川师范大学化学与材料科学学院,四川成都610068

出　　处：《应用化工》2013年第1期171-172,175,共3页Applied Chemical Industry

基　　金：四川省高校重点实验室开放课题(KFKT2010-04)

摘　　要：以二乙烯基苯(DVB-55)和二缩三乙二醇二甲基丙烯酸酯(TGD)为共聚单体,以乙腈为溶剂,采用沉淀聚合法一步合成了聚(二乙烯基苯-co-二缩三乙二醇二甲基丙烯酸酯)[P(DVB-co-TGD)]微球。采用反相液相色谱模式考察了微球的色谱性能。结果表明,共聚微球表面无大孔,单分散微球数均粒径为3.5μm,比表面积为2.9 m2/g,用作固定相具有较高的柱效,碱性物质具有对称的色谱峰形。Poly （ divinylbenzene-co-triethylene glycol dimethacrylate ） [ P （ DVB-co-TGD ） ] microspheres were prepared by precipitation polymerization with divinylbenzerie（DVB-55） and triethylene glycol dime- thacrylate （TGD） as comonomer. The chromatographic performance of the microspheres was evaluated by reversed-phase liquid chromatographic mode. No macroporous holes could be observed on the surface of the microspheres. The number-average diameter of the monodisperse mi.crospheres was 3.5 μm while the surface area of the microspheres was 2.9 m2/g, it exhibited high column efficiency and the peaks of basic compounds were symmetry.

关 键 词：沉淀聚合法 单分散 固定相 微球 

分 类 号：TQ422.4[化学工程]