研究了改性剂对硅胶整体柱结构性能的影响.通过采用改进的溶胶-凝胶技术,以四甲氧基硅烷和聚乙二醇为原料,表面活性剂和变形抑制剂等为改性剂,使用特殊处理手段有效抑制柱体开裂和变形弯曲现象,同时极大缩短了干燥时间;探讨了原料比例和不同制孔剂浓度对整体柱结构的影响.制备出的硅胶整体柱具有通孔和中孔双孔结构,空隙率高,通透性好.
[1] Minakuchi H, Nakanishi K, Soga N, Ishizuka N, Tanaka N. OCTADECYLSILYLATED POROUS SILICA RODS AS SEPARATION MEDIA FOR REVERSED-PHASE LIQUID CHROMATOGRAPHY [J]. Analytical chemistry 1996, 19(19).
[2] Minakuchi H, Nakanishi K, Soga N, Ishizuka N, Tanaka N. EFFECT OF SKELETON SIZE ON THE PERFORMANCE OF OCTADECYLSILYLATED CONTINUOUS POROUS SILICA COLUMNS IN REVERSED-PHASE LIQUID CHROMATOGRAPHY [J]. Journal of chromatography, A: Including electrophoresis and other separation methods 1997, 1/2(1/2).
[3] Minakuchi H, NAKANISHI K, SOGA N. Designing monilithic double-pore silica for high- speed liquid chromatography [J]. Journal of Chromatography A 1998, 797.