Hydrophilic block copolymers and membranes prepared therefrom (II)

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United States of America Patent

PATENT NO 9718924
APP PUB NO 20150376341A1
SERIAL NO

14320376

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Abstract

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Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are defined herein. The block copolymers find use as wetting agents in the preparation of porous membranes from aromatic hydrophobic polymers such as polyethersulfone. Also disclosed are methods of preparing such block copolymers and porous membranes therefrom.

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Patent Owner(s)

  • PALL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ait-Haddou, Hassan Melville, US 30 114
Onyemauwa, Frank Pace, US 10 15

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