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1. (WO2018197341) AROMATIC SULFONE POLYMERS COMPRISING (PER)FLUOROPOLYETHER SEGMENTS

Pub. No.:    WO/2018/197341    International Application No.:    PCT/EP2018/060100
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Fri Apr 20 01:59:59 CEST 2018
IPC: A61L 33/00
A61M 1/16
B01D 71/80
C08K 3/00
C08G 65/32
C08G 65/334
C08G 65/38
C08G 65/40
C08G 75/23
Applicants: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
Inventors: AHUJA, Ritu
NALAWADE, Trupti
DI NICOLO', Emanuele
FONTANA, Giovanni
WLASSICS, Ivan, Diego
MARCHIONNI, Giuseppe
TONELLI, Claudio, Adolfo, Pietro
Title: AROMATIC SULFONE POLYMERS COMPRISING (PER)FLUOROPOLYETHER SEGMENTS
Abstract:
A fluorinated aromatic sulfone polymer [polymer (F-PS)] comprising: recurring units [units (A)] derived from at least one dihalo-diaryl sulfone [monomer (A)]; recurring units [units (B)] derived from at least one aromatic diol [monomer (B)]; at least one unit [units (PFPE)] derived from at least one fully or partially fluorinated polyether alcohol (PFPE alcohol), said polymer (F-PS) having a fluorine content ranging from 0.1 % to 10% wt, is herein disclosed. Films and membranes obtained from (F-PS) are also disclosed, as well as their use in filtration methods.