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124th General Meeting of Korean Chemical Society Direct Synthesis of a Covalent Triazine-Based Framework from Aromatic Amides

Submission Date :
9 / 20 / 2019 , 11 : 40 : 04
Abstract Number :
Presenting Type:
Oral Presentation
Presenting Area :
KCS - Oral Presentation for 2019 DOW Korea Award
Authors :
Soo-Young Yu, Javeed Mahmood, Hyuk-Jun Noh, Jeong-Min Seo, Sun-Min Jung, Sun-Hee Shin, Yoon-Kwang Im, In-Yup Jeon1, Jong-Beom Baek*
School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Korea
1Department of Chemical Engineering, Wonkwang University, Korea
Assigned Code :
KCS.O-12 Assigend Code Guideline
Presenting Time :
THU, 11 : 13
There have been extensive efforts to synthesize crystalline covalent triazine-based frameworks (CTFs) for practical applications and to realize their potential. The phosphorus pentoxide (P2O5)-catalyzed direct condensation of aromatic amide instead of aromatic nitrile to form triazine rings. P2O5-catalyzed condensation was applied on terephthalamide to construct a covalent triazine-based framework (pCTF-1). This approach yielded highly crystalline pCTF-1 with high specific surface area (2034.1 m2 g−1). At low pressure, the pCTF-1 showed high CO2 (21.9 wt% at 273 K) and H2 (1.75 wt% at 77 K) uptake capacities. The direct formation of a triazine-based COF was also confirmed by model reactions, with the P2O5-catalyzed condensation reaction of both benzamide and benzonitrile to form 1,3,5-triphenyl-2,4,6-triazine in high yield.