Optimization of the Friedel – Crafts alkylation for the synthesis of hypercrosslinked polymers

Federico Begni, Francesca Gullo, Geo Paul, Riccardo Rea, Maria-Chiara Ferrari, Enzo Mangano, Maurizio Cossi, Giorgio Gatti*, Leonardo Marchese

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

An optimized Friedel – Crafts based methodology to prepare high surface area and pore volume hypercrosslinked polymers (HCPs) is here presented. A significant reduction in catalyst quantities resulted in an HCP showing SSABET of 905 m2/g and total pore volume of ≈ 1.12 cc/g. Spectroscopic investigations (DR-FTIR and SS-NMR) reveal that lowering the amount of catalyst avoid uncontrolled reaction pathways. For the optimized material CO2 uptakes are 2.55 mmol/g at 273 K and 1 bar. High pressure measurements at 298 K resulted in the uptake of 7.33 mmol/g of CO2 at 24 bar and 3.84 mmol/g of CH4 at 42 bar.
Original languageEnglish
JournalACS Applied Polymer Materials
Early online date3 Aug 2022
DOIs
Publication statusE-pub ahead of print - 3 Aug 2022

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