公开(公告)号：US20200165392A1

公开(公告)日：2020-05-28

申请号：US16608179

申请日：2018-04-19

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Ritu AHUJA ,  Trupti NALAWADE ,  Emanuele DI NICOLO' ,  Giovanni FONTANA ,  Ivan Diego WLASSICS ,  Giuseppe MARCHIONNI ,  Claudio Adolfo Pietro TONELLI

IPC: C08G75/23 ,  C08G65/40 ,  C08G65/334 ,  B01D71/80 ,  B01D61/24 ,  B01D69/04 ,  B01D69/08

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.