Abstract
A hypercrosslinked polymer doped with Ag(i) shows high selectivity toward olefins over paraffins under flowing conditions.
Highlights
The separation of ole ns and paraffins is one of the most important processes in the chemical industry
By varying the amount of crosslinker to monomer in the synthesis of the hypercrosslinked polymers (HCPs), the amount of Ag(I) can be ne-tuned to optimise performance for the separation
It is expected that the combination of microporosity and Ag(I) ions should give the HCP excellent ole n/paraffin separation ability
Summary
The separation of ole ns and paraffins is one of the most important processes in the chemical industry. HCP-3 has the lowest proportion of crosslinking and the lowest surface area, it has more available non-crosslinked aromatic sites for postfunctionalization, which results in SAM-HCP-3 and SAM-HCPAg-3 having the highest concentration of sulfonic acid groups and highest Ag(I) loading, respectively. Propane and propene sorption isotherms were measured up to 1 bar for the three Ag(I) doped HCPs at 273 and at 298 K (Fig. 2a).
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