Synthesis and characterization of brominated poly(2,6-diphenyl-p-phenylene oxide)/SiO2 nanocomposite membrane for CO2/N2 separation
Source abstract
Abstract
Synthesized poly(2,6-diphenyl-p-phenylene oxide) (PPPOdp) and brominated poly(2,6-diphenyl-p-phenylene oxide) (BPPPOdp) are identified as new membranes for CO2/N2 separation and characterized by SEM, FTIR, and 1HNMR. BPPPOdp is known as a flexible membrane with higher permselectivity ( $$\alpha_{{{\text{CO}} 2 / {\text{N}} 2 }}$$ = 30.53) than PPPOdp membranes. BPPPO and SiO2 nanocomposite membranes display improved CO2 permeability and CO2/N2 selectivity compared to the pure PPPOdp, and BPPPOdp membranes. The CO2/N2 separation mechanism in the membranes is related to the amount of gas dissolution than the amount of gas diffusion.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Membrane Separation and Gas Transport · Covalent Organic Framework Applications · Fuel Cells and Related Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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