Dopamine and taurine modified polysulfone membrane and preparation method thereof

The invention provides a preparation method of a dopamine and taurine modified polysulfone membrane. The preparation method comprises the following steps that firstly, polydopamine is adopted for hydrophilic modification of a self-made polysulfone membrane to form a polydopamine layer, then taurine...

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Hauptverfasser: TAN ZHIYONG, YANG XIAOQING, WANG ZHAN, GAO WENJING, FANG XINYING
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a preparation method of a dopamine and taurine modified polysulfone membrane. The preparation method comprises the following steps that firstly, polydopamine is adopted for hydrophilic modification of a self-made polysulfone membrane to form a polydopamine layer, then taurine and dopamine react to further perform hydrophilic modification on a polysulfone membrane composite membrane, and hydrophilic groups are introduced to enhance the hydrophilic performance of the surface of the polysulfone membrane. The preparation method has the advantages that the hydrophilicity andanti-pollution performance of the polysulfone membrane are greatly improved, membrane materials are not damaged, the physical and chemical properties of a matrix membrane are not damaged, the purposeof prolonging the service life of the membrane is achieved, and the dopamine and taurine modified polysulfone membrane is simple to operate, excellent in performance and environmentally friendly. 本发明提供了一种多巴胺及牛磺酸改性聚砜膜的制备方法。首先采用