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US 2025/0144613 A1Published application
Membranes
AssigneesFujifilm Maufacturing Europe B.V., FUJIFILM Corporation
InventorJacko Hessing
Life of this patent
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Abstract
Compositions and cation exchange membranes having low brittleness, low ER, good pH stability and good PS obtainable by curing a composition comprising: (a) a first crosslinking agent comprising an anionic group and at least two polymerisable groups; (b) a second crosslinking agent comprising at least 5 vinyl groups and being free from ionic groups; and (c) a third crosslinking agent comprising 2, 3 or 4 polymerisable groups and being free from ionic groups.
Claims23
A cation exchange membrane obtainable by curing a composition comprising:
- (a) a first crosslinking agent comprising an anionic group and at least two polymerisable groups;
- (b) a second crosslinking agent comprising at least 5 vinyl groups and being free from ionic groups;
- and
- (c) a third crosslinking agent comprising 2, 3 or 4 polymerisable groups and being free from ionic groups.
1 more element
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Dependencies are inferred from the claim text.