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Title: Improving Alkylamine Incorporation in Porous Polymer Networks through Dopant Incorporation

Journal Article · · Advanced Sustainable Systems
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  1. Texas A & M Univ. at College Station, TX (United States)
  2. Department of Materials Science and EngineeringUniversity of Texas at Dallas 800 West Campbell Rd Richardson TX 75080 USA
  3. Framergy, Inc., College Station, TX (United States)
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The industrial scale capture of CO2 from flue gas streams is becoming an increasingly important environmental issue. However, many of the existing CO2 capture systems either have regenerative energy demands that are too high or are cost prohibitive. A promising solution is the utilization of functionalized solid sorbents, such as porous polymer networks (PPNs). PPNs are attractive due to their inherent structural stability, flexibility, high surface areas, and ability to incorporate various functional groups within the chemical scaffold. Herein, a low cost, scalable alternative to common carbon capture systems using a series of robust mesoporous melamine-formaldehyde resins (mPMFs) loaded with active alkylamine sorbents is presented, which is dubbed as the PPN-150 family. The variants within this material class are differentiated based on the incorporation of functionalized dopants; small molecules added at low molar percent concentrations to impart additional functionality into the PPN in order to achieve low cost noncovalent tethering of alkylamines. The cyanuric acid doped PPN-151-DETA (DETA = diethylenetriamine) demonstrate unique features such as improved cycling capacity and heat of adsorption. To show its scalability, PPN-151-DETA is successfully synthesized at the 250 g scale without loss of the sorbent properties.

Research Organization:
Texas A & M Univ. at College Station, TX (United States); Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FE0026472
OSTI ID:
1579564
Alternate ID(s):
OSTI ID: 1569778; OSTI ID: 1579565; OSTI ID: 1579566
Journal Information:
Advanced Sustainable Systems, Vol. 3, Issue 12; ISSN 2366-7486
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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