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Fourier transform infrared spectroscopy (FT-IR)

Fourier transform infrared spectroscopy (FT-IR)

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Figure 6: X-ray diffraction (XRD)
Figure 7: Fourier transform infrared spectroscopy (FT-IR)
Figure 8: Scanning Electron Microscope (FE-SEM)
Experimental conditions and membranes IDs
+1 Permeability, diffusion coefficient, solubility coefficient, and...
Influence of Temperature and Time Parameters on Solution Mixing and Drying for Membrane Synthesis of Copolymer (Polyether-Block-Amide)
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  • Jan 2022
Recently, researchers have suggested the use of membranes to separate gases. They found that using Pebax polymer was very suitable for gas separation. This polymer has good properties and good solubility for carbon dioxide absorption. One of the challenges for researchers is how to turn this polymer into a thin layer for usage as a membrane. Theref...
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Context 1
... analysis was performed on 600 to 4000 (cm -1 ) on the desired membranes. As depicted in Figure 7, the peak at 1635 cm -1 is the tensile vibrations (C=O) of carbonyl. The peak in wave number 1730 is attributed to another carbonyl group, both of which are in the hard phase. ...
Context 2
... 2861 cm -1 and peaks 1460 cm -1 were further associated with C-H tensile and flexural vibrations, respectively. These results were in good agreement with other studies (Figure 7) [16]. ...