As a new kind of cationic photoinitiator, iron-arene complex has received much attention in recent years. The authors have reported the synthesis of cyclopentadienyl-iron-arene complexes and their activities in initia...As a new kind of cationic photoinitiator, iron-arene complex has received much attention in recent years. The authors have reported the synthesis of cyclopentadienyl-iron-arene complexes and their activities in initiating the photopolymerization of epoxides. Up to now, the photolysis process of ironarene complex has not been thoroughly investigated. In展开更多
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)w...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.展开更多
基金Project supported by the National Natural Science Foundation of China
文摘As a new kind of cationic photoinitiator, iron-arene complex has received much attention in recent years. The authors have reported the synthesis of cyclopentadienyl-iron-arene complexes and their activities in initiating the photopolymerization of epoxides. Up to now, the photolysis process of ironarene complex has not been thoroughly investigated. In
基金supported by the National Natural Science Foundation of China(Nos.21575148,21575149,21505146)。
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.
