In an article, author is Choi, Ook, once mentioned the application of 82830-49-7, Name is 2-Fluoro-1,4-dimethoxybenzene, molecular formula is C8H9FO2, molecular weight is 156.15, MDL number is MFCD00042487, category is ethers-buliding-blocks. Now introduce a scientific discovery about this category, Name: 2-Fluoro-1,4-dimethoxybenzene.
Preparation of thin film nanocomposite hollow fiber membranes with polydopamine-encapsulated Engelhard titanosilicate-4 for gas separation applications
Among the various separation membranes, the thin-film nanocomposites (TFN) membranes have been widely applied for gas separation. In the present study, TFN hollow fiber membranes using polydopamine (PD)-encapsulated ETS-4 (Engelhard titanosilicate-4), PD-ETS-TFN, with a pore size of 3-4 angstrom were prepared for gas separation applications. The proposed TFN hollow fiber membranes were prepared by condensation-based interfacial polymerization (IP) between poly(ethylenimine) as an aqueous monomer and 1,3,5-benzenetricarbonyl trichloride as an organic monomer on a porous PES [poly(ether sulfone)] substrate. The dopamine-encapsulated ETS-4 was incorporated inside the polyamide layer to maximize the hydrophilicity of the membrane. Various methods were employed to analyze the structures and characteristics of the ETS-4 and TFN membranes, and tests were conducted to evaluate the permeance of H-2, CO2, N-2, and CH4 through PD-ETS-TFN. The results revealed a facilitated transport property toward CO2. Due to the molecular sieving effect of the ETS-4, the proposed membranes achieved a permeance as high as 60.4 GPU toward H-2 and H-2/CO2 selectivity of 14.3.
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