Increased CO2/N2 selectivity of PTMSP by surface crosslinking

Shaligram, Sayali V.; Regen, Steven L.

doi:10.1039/d2cc00065b

Title: Increased CO₂/N₂ selectivity of PTMSP by surface crosslinking

Journal Article · 17 February 2022 · ChemComm

DOI: https://doi.org/10.1039/d2cc00065b · OSTI ID:1864775

Shaligram, Sayali V. ^[1];

^[1]

Lehigh Univ., Bethlehem, PA (United States)

The surface crosslinking of poly[1-(trimethylsilyl)-1-propyne] (PTMSP) membranes by dithiothreitol under thiol–ene click reaction conditions has yielded membranes having CO₂/N₂ selectivities in excess of 30 with CO₂ permeances in excess of 300 GPU (gas permeation units). Here, the simplicity of this surface crosslinking strategy together with these permeation results suggests that PTMSP that is modified in such ways could lead to useful materials for the separation of CO₂/N₂ from flue gas and for certain other gaseous mixtures.

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Research Organization:: Lehigh Univ., Bethlehem, PA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: FG02-05ER15720

OSTI ID:: 1864775

Journal Information:: ChemComm, Journal Name: ChemComm Journal Issue: 21 Vol. 58; ISSN 1359-7345

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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