The development of new reactive materials for the detoxification of chemical warfare agents (CWA) is of interest due to the current threat of CWAs. A swellable hypercrosslinked polymer (HCP) has been permeated with a robust oxidation catalyst capable of selective sulfoxidation of sulfur mustard (HD) using only ambient oxygen in air. The catalyst is comprised of hydrophobic salts of tribromide and nitrate, as well as an acidic component (for simplicity: NOxBrxH+). The HCP can be sulfonated to form HCP-SO3 and is thus dual functional in that it acts as both 1) an entrapping material and 2) the acidic catalytic component. NOxBrx/HCP-SO3 is a recyclable catalytic material for the solvent-free, selective sulfoxidation of the HD simulant CEES (2-chloroethyl ethyl sulfoxide) to the corresponding sulfoxide (CEESO).

Simultaneous entrapment and catalytic decontamination of blistering agents

ACS Spring Meeting 2021

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