id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
jh343r10h85	Si Li	Development of Polymer Membranes Involving Crosslinked Model Network Structures for Gas Separation	2022		.txt	text/plain	533	16	20	While the permeability-selectivity tradeoff seems to be tackled by many new high-performing polymers pushing the upper bound limits further toward the upper right side, polymer gas separation membranes frequently suffer from physical aging (e.g., loss of permeability over time) and plasticization (e.g., loss of size sieving in the presence of condensable gases like CO2). The impact of these challenges is clearly evidenced by the fact that only a handful of polymers have made it into commercial applications despite hundreds of new polymers have been developed and evaluated for gas separation membranes.	cache/jh343r10h85.txt	txt/jh343r10h85.txt