Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation
申请人:AKZO N.V.
公开号:EP0043159A1
公开(公告)日:1982-01-06
The invention relates to support material usable as such in chromatography or as a starting material which, upon linkage to it of compounds containing ionic groups, ligands or biomacromolecules, can be used as ion exchanger, as a medium in affinity chromatography or in enzymatic reactions and consists of porous, inorganic silanized particles onto which there is covalently bonded an organic, stationary phase built up of (co)polymerized vinyl monomers containing amide groups, said inorganic particles having been silanized with an organo silane of the formula I
wherein n = 1-5; R, is halogen or alkoxy (1-10 C); R2 and R3 are each halogen, alkoxy (1-10 C), alkyl (1-3 C) or aryl (6-10 C), the halogen and alkoxy group in R1, R2 and R3 being capable of forming an -0-Si-bond between the silane and the inorganic material through its surface hydroxyl groups; and R4 is amino, substituted amino, such as w-amino-alkyl (1-3 C)-amino, mercapto, an ester group or glycidoxy; and the organic stationary phase being a crosslinked (co)polymer obtained by addition polymerization and built up of 0.1 to 140 µmoles vinyl monomers per m2 inorganic surface of the support material, said (co)polymer containing at least 0.1 µmoles amide groups per m2 inorganic surface of the support material, said vinyl monomers consisting wholly or partly of bifunctional vinyl monomers containing amide groups and having the formula II
wherein R5 and R6 each are hydrogen or an organic group having up to 18 carbon atoms; R7 is hydrogen or an organic group up to 20 carbon atoms; and m is an integer from 1 to 20.
本发明涉及可用于色谱法的支撑材料或作为起始材料的支撑材料,在与含有离子基团、配体或生物大分子的化合物连接后,可用作离子交换剂、亲和色谱法或酶反应中的介质,它由多孔的无机硅烷化颗粒组成、无机硅烷化颗粒,其上共价键合了由含酰胺基团的(共)聚合乙烯基单体构成的有机固定相,所述无机颗粒已被式 I 的有机硅烷硅烷化。
其中 n = 1-5;R,是卤素或烷氧基(1-10 C);R2 和 R3 分别是卤素、烷氧基(1-10 C)、烷基(1-3 C)或芳基(6-10 C),R1、R2 和 R3 中的卤素和烷氧基能通过硅烷表面的羟基在硅烷和无机材料之间形成-0-硅键;而 R4 是氨基、取代氨基,如 w-氨基-烷基(1-3 C)-氨基、巯基、酯基或缩水甘油醚;有机固定相是通过加成聚合得到的交联(共)聚合物,由 0.1 至 140 微摩尔乙烯基单体组成,所述(共)聚合物每平方米无机表面至少含有 0.1 微摩尔酰胺基团,所述乙烯基单体全部或部分由含有酰胺基团的双官能团乙烯基单体组成,具有式 II
其中 R5 和 R6 分别为氢或最多具有 18 个碳原子的有机基团;R7 为氢或最多具有 20 个碳原子的有机基团;m 为 1 至 20 的整数。