Abstract
In this article, we adopted the phase inversion process to prepare nanometer aluminum magnesium hydroxide/PVDF hybrid membrane, studied the influences of nanometer materials on pure water flux, retention, pore diameter, porosity, microstructure, mechanical property and adsorption property for membranes, researched the influences of different AMH contents on membrane property, and analyzed element contents of membrane transect through x-radial energy dispersive analysis (EDS). Comparing with PVDF membrane without nanometer materials, the results indicated that the addition of nanometer materials obviously enhanced the pure water flux, retention, microstructure, mechanical property and adsorption property for membranes, and didn’t largely influence the pore diameter and porosity for membranes. The analysis of SEM indicated that the addition of nanometer materials could obviously change the microstructure of membrane.
Highlights
Polyvinylidene fluoride (PVDF) is a sort of macromolecule material with good property, and it possesses good chemical stability, heat stability and tenacity, so the research of PVDF membrane is extensively emphasized by domestic and foreign research institutions, and it is successfully applied in many domains such as chemical industry, electron, textile, food and biochemistry
We studied the influence of the introduction of nanometer materials on flux of pure water, retention, pore diameter, porosity, mechanical property, adsorption, and micro structure for membrane, fully utilize the characters of nanometer materials to perfect the property of PVDF membrane, endows its charged property to enhance its function, and studied the influence of the introduction of different nanometer materials on the property of membrane
This structure could enhance the mechanical property of membrane, and the above surface has obvious white points comparing with PVDF membrane, and we think they are atoms of nanometer aluminum magnesium hydroxide on the membrane surface which could perfect the property of membrane
Summary
PVDF: Shanghai 3F New Materials Co., Ltd, FR904. N,N-Dimethylacetamide (DMAc): analytical reagent, Tianjin Hongyan Chemical Reagent Factory. Polyvinyl pyrrolidone (PVP): analytical reagent, BASF import to load separately, K-30. Bovine serum albumin (BSA): molecular weight 67000, Tianjin Lianxing Biological Technology Co., Ltd. Titan Yellow: molecular weight 695, Purchase and Supply Center of Chemical Reagents of Shanghai
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