Abstract
In this study, we investigated a poly(ether-block-amide)-5513 (PEBAX-5513)/AgBF4/1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4) composite membrane, which is expected to have a high stabilizing effect on the Ag+ ions functioning as olefin carriers in the amide group. Poly(ethylene oxide) (PEO) only consists of ether regions, whereas the PEBAX-5513 copolymer contains both ether and amide regions. However, given the brittle nature of the amide, the penetration of BMIMBF4 remains challenging. The nanoparticles did not stabilize after their formation in the long-term test, thereby resulting in a poor performance compared to previous experiments using PEO as the polymer (selectivity 3; permeance 12.3 GPU). The properties of the functional groups in the polymers were assessed using Fourier transform infrared spectroscopy, scanning electron microscopy, and thermogravimetric analysis, which confirmed that the properties endowed during the production of the film using the ionic liquid can impact the performance.
Highlights
Olefins, otherwise known as alkenes, are hydrocarbons with double bonds, whereas paraffins are hydrocarbons containing single bonds
The properties of the functional groups in the polymers were assessed using Fourier transform infrared spectroscopy, scanning electron microscopy, and thermogravimetric analysis, which confirmed that the properties endowed during the production of the film using the ionic liquid can impact the performance
Paraffins are typically used as fuels, whereas olefins can be utilized as polymer monomers because they have double bonds
Summary
Otherwise known as alkenes, are hydrocarbons with double bonds, whereas paraffins are hydrocarbons containing single bonds. Paraffins are typically used as fuels, whereas olefins can be utilized as polymer monomers because they have double bonds. Olefin/paraffin separation is an essential process because olefins are produced with the corresponding paraffins. Olefin/paraffin separation has primarily been achieved through cryogenic column distillation because olefin and paraffin have extremely similar characteristics [2,3]. Cryogenic distillation is an expensive and energy-intensive process requiring the use of expensive equipment [4]. To address this limitation, considerable research is being conducted on olefin/paraffin separation using a membrane [5,6]
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