Temperature response type europium ion imprinting composite membrane preparation method and application
A temperature-responsive, europium ion technology, applied in chemical instruments and methods, alkali metal compounds, alkali metal oxides/hydroxides, etc., can solve problems such as separation difficulties and rare reports of europium ions, and achieve good antibacterial performance, Excellent separation effect and high selective adsorption capacity
Inactive Publication Date: 2017-06-23
JILIN NORMAL UNIV
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The invention discloses a temperature response type europium ion imprinting composite membrane preparation method and belongs to the technical field of environmental functional material preparation. Specifically, a regenerated cellulose membrane is utilized as a supporting membrane, graphene oxide and modified silicon dioxide nanosphere are utilized as membrane preparing materials, an europium ion is utilized as a formwork, acrylic amide is utilized as a functional monomer, N-isopropyl acrylamide is utilized as a temperature sensitive type functional monomer, ethylene glycol dimenthacrylate is utilized as a cross-linking agent, azodiisobutyronitrile is utilized as an initiator, a composite membrane is prepared on the surface of the supporting membrane, a two-step temperature polymerization method is utilized to prepare a temperature response type europium ion imprinting composite membrane. A static adsorption experiment and a selective permeation experiment are utilized to research adsorption balance, adsorption kinetics, selective recognition and europium ion separation performance of the prepared temperature response type europium ion imprinting composite membrane. Results show that the temperature response type europium ion imprinting composite membrane prepared through the method disclosed by the invention has higher specific adsorption capacity on europium ions and excellent europium ion recognition and separation performance under condition of 35 DEG C.
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