US 12,420,239 B2
Surface modified polyethersulfone membranes and method of making thereof
Sven Frost, Essen (DE); Pierre-Alexandre Bourgeois, Essen (DE); Frans A. Audenaert, Kaprijke (BE); Tim Wolf, Düsseldorf (DE); and Tom Opstal, Kalken (BE)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/766,699
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Nov. 4, 2020, PCT No. PCT/IB2020/060393
§ 371(c)(1), (2) Date Apr. 5, 2022,
PCT Pub. No. WO2021/090215, PCT Pub. Date May 14, 2021.
Claims priority of application No. 19208130 (EP), filed on Nov. 8, 2019.
Prior Publication US 2024/0100486 A1, Mar. 28, 2024
Int. Cl. B01D 67/00 (2006.01); B01D 69/06 (2006.01); B01D 69/08 (2006.01); B01D 71/68 (2006.01)
CPC B01D 67/00931 (2022.08) [B01D 67/0088 (2013.01); B01D 67/009 (2013.01); B01D 69/06 (2013.01); B01D 69/08 (2013.01); B01D 71/68 (2013.01); B01D 2323/34 (2013.01); B01D 2325/36 (2013.01)] 6 Claims
 
1. A polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam,
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 said polymeric membrane is a porous polymer membrane; and
wherein the hydrophilic monomers are according to any one of formulae (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII), (XIII), or (XIV):

OG Complex Work Unit Chemistry

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OG Complex Work Unit Chemistry
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.