URETHANE CATIONIC POLY(IONIC LIQUIDS), THEIR DENSE AND COMPOSITE MEMBRANES, THEIR USE AND METHOD FOR REMOVING CO2 FROM NATURAL GAS OR AN EXHAUST GAS

Abstract: the present disclosure relates to example embodiments of urethane cationic poly(ionic liquids) (pils) based on hydroxylated ionic liquids (ils) cations, of formula (i), as well as to dense membranes and composite membranes, on polymeric supports, of urethane cationic pils. the present disclosure also relates to embodiments of the use of said membranes in the removal of cofrom natural gas or an exhaust gas and to a method for removing cofrom natural gas or an exhaust gas comprising subjecting a stream of the natural gas or the exhaust gas through the membranes of the present disclosure.

Inventor(s): Sandra Mara OLIVEIRA EINLOFT, Leonardo DOS SANTOS PEREIRA, Franciele LONGARAY BERNARD, Fernando GUSMAN BRANDAO, Ana Paula SANTANA MUSSE, Guilherme Thomas GEREVINI DIAS

CPC Classification: B01D53/228 (by diffusion (manufacturing semi-permeable membranes ; form, structure or properties of semi-permeable membranes ; material for semi-permeable membranes ))

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