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US 9,309,343 B2Granted
Curable compositions and membranes
AssigneeFujifilm Manufacturing Europe B.V.
InventorsBastiaan Van Berchum, Willem Johannes Van Baak, Jacko Hessing
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Abstract
A membrane obtainable from curing a composition comprising (i) a curable compound comprising at least two acrylic groups and a quaternary ammonium group; (ii) solvent; and optionally (iii) a curable compound having one ethylenically unsaturated group.
Claims18
A membrane obtained from curing a composition comprising:
- (i) a curable compound comprising (a) at least two acrylamide groups;
- and (b) at least one quaternary ammonium group;
- (ii) solvent;
- and optionally (iii) a curable compound having one ethylenically unsaturated group.
1 more element
A process for preparing a membrane comprising the following steps:
- a) applying a composition to a support;
- and
- b) curing the composition to form a membrane;
- wherein the composition comprises (i) a curable compound comprising (a) at least two acrylamide groups;
- and (b) at least one quaternary ammonium group;
- (ii) solvent;
- and optionally (iii) a curable compound having one ethylenically unsaturated group;
- and
- wherein the curing is performed by radical polymerisation using electromagnetic radiation.
6 more elements
Dependencies are inferred from the claim text.