Surface-modified polyethersulfone membranes and method of making thereof
AssigneeLife Technologies Corporation
InventorsSven Frost, Frans A. Audenaert, Pierre-Alexandre Bourgeois, Tim Wolf
Life of this patent
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Abstract
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with actinic irradiation, preferably UV light, wherein the hydrophilic monomers comprise at least one amino moiety; at least one polyoxyalkylene unit; and at least one (meth)acrylate moiety.
Claims13
A polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with actinic irradiation,
- wherein the hydrophilic monomers comprise
- (i) at least one amino moiety;
- (ii) at least one polyoxyalkylene unit;
- and
- (iii) at least one (meth)acrylate moiety;
- wherein the hydrophilic monomer is a hydrophilic monomer according to any one of formulae (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII), (XIII), or (XIV):
- wherein R is a linear or branched alkyl or alkoxy,
- wherein m and n may be different or the same,
- wherein m and n may each be in a range of from 1 to 100;
- wherein x, y, z may be different or the same,
- wherein x, y, z may be each in a range of from 1 to 100.
A process for producing a surface-modified polymeric membrane, comprising the following steps:
- (I) Providing a polymeric membrane;
- (II) Applying a solution comprising hydrophilic monomers to the polymeric membrane;
- and
- (III) Irradiating the polymeric membrane with actinic radiation,
- wherein the hydrophilic monomers comprise
- (i) at least one amino moiety;
- at least one polyoxyalkylene unit;
- and
- at least one (meth)acrylate moiety;
- wherein the hydrophilic monomer is a hydrophilic monomer according to any one of formulae (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII), (XIII), or (XIV):
- wherein R is a linear or branched alkyl or alkoxy,
- wherein m and n may be different or the same,
- wherein m and n may each be in a range of from 1 to 100;
- wherein x, y, z may be different or the same,
- wherein x, y, z may be each in a range of from 1 to 100.
Dependencies are inferred from the claim text.