Ionomeric cross-linkers and membranes formed therefrom
AssigneeItm Power (Research) Limited
InventorShaun Wright
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Abstract
The present invention is the use of a compound comprising two or more covalently bonded polymerisable vinyl groups and one or more covalently bonded ionic groups selected from a quaternary ammonium group; a quaternary phosphonium group; or a tertiary sulphonium group, as an ionic cross-linker. The cross-linkers of the invention may be used to form an ionomer membrane. Methods for forming the cross-linkers of the invention are also disclosed.
Claims18
Use of a compound comprising two or more covalently bonded polymerisable vinyl groups and one or more covalently bonded ionic groups selected from a quaternary ammonium group;
- a quaternary phosphonium group;
- or a tertiary sulphonium group, as an ionic cross-linker.
A compound of formula I or formula II.
Dependencies are inferred from the claim text.