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US 12,312,443 B2Granted
Polymeric anion-conducting membrane
AssigneeEvonik Operations GmbH
InventorsOliver Conradi, Artjom Maljusch, Harald Rögl, Gianluigi Luppi
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Abstract
The present invention provides compounds, especially polymeric compounds, having preferably at least one spiro or piperidine structural unit, a process for preparation thereof and the use thereof as anion conducting membrane.
Claims15
Compound containing at least one unit of the formula (I)
- with X being a structure element comprising a nitrogen atom with a positive charge bonded to C1 and C2 and bonded via two bonds to one or two hydrocarbon radical(s) comprising 1 to 12 carbon atoms and Z being a structure element comprising a carbon atom being bonded to C3 and C4 and at least one aromatic 6-ring directly bonded to one of the oxygen atoms,
- wherein structure element Z represents a unit of formula (IIIa)
- with R1, R2, R3, and R4, being the same or different alkyl group having from 1 to 4 carbon atoms.
Dependencies are inferred from the claim text.