公开(公告)号：US20200148820A1

公开(公告)日：2020-05-14

申请号：US16469633

申请日：2017-12-12

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

Inventor： Marco GALIMBERTI ,  Giovanni FONTANA ,  Roberto VALSECCHI ,  Vito TORTELLI

IPC: C08G65/332 ,  C08G65/00 ,  C10M107/38 ,  G11B5/71

Abstract: The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers and to certain novel (per)fluoropolyether polymers. The present invention also relates to the use the (per)fluoropolyether polymers thus obtained, as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM).

公开(公告)号：US20210246264A1

公开(公告)日：2021-08-12

申请号：US17251527

申请日：2019-06-19

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

Inventor： Giovanni FONTANA ,  Marco GALIMBERTI ,  Vito TORTELLI

IPC: C08G65/00 ,  C08G65/332

Abstract: The present invention relates to a process for the synthesis of partially and fully fluorinated polyether (PFPE) polymers comprising cyclic moieties in the backbone chain, to PFPE polymers obtained therefrom and to the use of said PFPE polymers as intermediate compounds for the manufacture of additives for plastic and glass coating.

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.

公开(公告)号：US20210363299A1

公开(公告)日：2021-11-25

申请号：US17048684

申请日：2019-04-18

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

Inventor： Giovanni FONTANA ,  Marco GALIMBERTI ,  Vito TORTELLI

IPC: C08G65/323

Abstract: The present invention relates to a process for the synthesis of partially and fully fluorinated polyether (PFPE) polymers, to PFPE polymers obtained therefrom and to the use of said PFPE polymers as intermediate compounds for the manufacture of additives for plastic and glass coating.