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1篇 您的检索式:作者名="Fangbin Fan"
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1A novel double polymer modified hydrophobic/hydrophilic stationary phase for liquid chromatography显示文摘In this paper,norbornene imidazolium hexafluorophosphate(NM-MIm-PF6)was modified on the surface of aminopropyl silica by ring-opening metathesis polymerization(ROMP),and then oligo(ethylene glycol)methacrylate(OEGMA)were grafted on the surface by atom transfer radical polymerization(ATRP).Some characterizations in this article confirmed that the synthesis of P(NM-MIm-PF6)-SiPOEGMA(Pl-Si-P2)is successful.The P1-Si-P2 can separate sugars,amino acids,sulfonamides in a hydrophilic interaction mode and alkyl benzene,polycyclic aromatic hydrocarbon in a reverse phase mode.The experiment also found that the column has typical characte ristics of hydrophobic/hydrophilic separation mechanism.Compared to single hydrophobic C18 column and single hydrophilic Si-NH2 column,this P1-Si-P2 shows certain advantages.Fangbin Fan Jingjun Pan Yijing Li Licheng Wang Shuai Wang Xiaojing Liang Yong Guo 2020Chinese Chemical Letters2020,31,3:0
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