Optimization of the Friedel-Crafts Alkylation for the Synthesis of Hyper-Cross-Linked Polymers

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

Research output: Contribution to journalArticlepeer-review

Abstract

An optimized Friedel-Crafts based methodology used to prepare high surface area and pore volume hyper-cross-linked polymers (HCPs) is presented here. A significant reduction in catalyst quantities resulted in an HCP showing SSABET of 905 m2/g and total pore volume of ≈1.12 cm3/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
Pages (from-to)5281-5286
Number of pages6
JournalACS Applied Polymer Materials
Volume4
Issue number8
DOIs
Publication statusPublished - 12 Aug 2022

Keywords

  • CHadsorption
  • COadsorption
  • Friedel-Crafts optimization
  • high pressure adsorption
  • hyper-cross-linked polymers

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