Journal of Pollution

ISSN: 2684-4958

Open Access

Synthesis and Characterization of New Covalent Triazine Frameworks


Emiliano-Sosa A, Hernandez-Colon L, Nieto-Ramos S and Roque-Malherbe R

Objective: The purpose of the synthesis was the preparation of porous materials with capacity for adsorption of gases, such as CO2 and CH4, in order to contribute to the search for temporary solutions to the energy needs and pollution problems in nowadays.
Methodology: We used an experimental modification of the previously reported ionothermal methodology for the polymerization of the monomers, which were 2,3-dicyanohydroquinone, 2,3-dicyanopyrazine, and 4,5 dicyanoimidazole. We used data from Scanning Electron Microscopy (SEM), Fourier Transformed Infrared Spectroscopy (FT-IR), Raman spectroscopy; X-Ray Diffraction (XRD), Cross Polarization Magic Angle Spinning Nuclear Magnetic Resonance (CP-MAS-NMR), and gas adsorption experiments for characterization of the materials.
Results: Three Covalent Triazine-Based Polymers (CTFs) were synthesized and characterized, the adsorption experiments of the polymers showed a very small pore size (230 pm), compared to the kinetic diameter of the gases: CO2 (330 pm), N2 (370 pm), and CH4 (380 pm).
Conclusion: The pore sizes of the synthesized polymers were too small in order to adsorb the intended gases; nevertheless, we have improved the methodology for the ionothermal synthesis of CTFs; these materials, by modeling and selection of appropriate monomers could be prepared with improved adsorption capacity.


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