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In this paper, deep eutectic solvents (DESs) were firstly used as new and green solvents for the preparation of polymer-grafted silica stationary phases. 1-Vinylimidazole and acrylic acid were homopolymerized and copolymerized on silica via surface radical chain-transfer reaction in the DESs. Three stationary phases including poly(1-vinylimidazole)-, poly(acrylic acid)-, poly(1-vinylimidazole-co-acrylic...
In this work, a “solvent-free” and green method for controllable and quantitative preparation of chromatographic stationary phase has been proposed. About the method, the largely excess of functional monomer and strict control of the proportion between silane and silica are the two most important points. Due to the existence of excessive functional monomer, silane can be utilized at the maximum extent,...
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