公开(公告)号：US20240368329A1

公开(公告)日：2024-11-07

申请号：US18575990

申请日：2022-06-23

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

Inventor： Ugo De Patto ,  Andrea Lotierzo ,  Pier Antonio Guarda

IPC: C08F293/00 ,  C08L53/00 ,  C10M107/38 ,  C10N40/02 ,  C10N40/06 ,  C10N40/08 ,  C10N40/14 ,  C10N40/30

Abstract: The present patent application relates to block copolymers comprising (per)fluoropolyether chains useful as lubricants and characterized by increased viscosity.

公开(公告)号：US20220332854A1

公开(公告)日：2022-10-20

申请号：US17852254

申请日：2022-06-28

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

Inventor： Marco Avataneo ,  Ugo De Patto ,  Giuseppe Marchionni ,  Mirko Tavano

IPC: C08F2/24 ,  C08F14/18 ,  C08F14/20 ,  C08F14/22 ,  C08F14/26 ,  C08L71/02

Abstract: The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO.sub.3X.sub.a, —PO.sub.3X.sub.a and —COOX.sub.a, whereas X.sub.a is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.

公开(公告)号：US20250002628A1

公开(公告)日：2025-01-02

申请号：US18575240

申请日：2022-06-23

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

Inventor： Ugo De Patto ,  Andrea Lotierzo ,  Pier Antonio Guarda

IPC: C08F283/06 ,  C08L51/08

Abstract: The present patent application relates to copolymers comprising (per)fluoro-polyether chains, characterized by increased viscosity.

公开(公告)号：US20230089683A1

公开(公告)日：2023-03-23

申请号：US17802076

申请日：2021-02-22

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

Inventor： Michela Bea ,  Ugo De Patto

IPC: C08F283/06

Abstract: The present invention relates to polymers obtained by the copolymerization of (per)fluoropolyether (PFPE), tetrafluoroethylene (TFE) and at least one non-homopolymerizable olefin.

公开(公告)号：US10906999B2

公开(公告)日：2021-02-02

申请号：US16061943

申请日：2016-12-14

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

Inventor： Marco Avataneo ,  Liubov Chernysheva ,  Ugo De Patto

IPC: C08F214/22 ,  C08L27/12 ,  C08L71/02 ,  C08F214/18 ,  C08F214/26 ,  C08K3/22 ,  C08K5/14 ,  C08K5/17 ,  C08K5/30 ,  C08K5/33 ,  C08K5/57 ,  C08L27/16 ,  C08L27/18

Abstract: The invention pertains to a (per)fluoroelastomer composition comprising: —a (per)fluoroelastomer [fluoroelastomer (A)]; and —at least one (per)fluoropolyether additive [polymer (E)] comprising a (per)fluoropolyether chain comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and comprising at least one chain end comprising at least one per(halo)fluorinated aromatic group [group (ArF)], said polymer (E) being comprised in the composition in an amount of 0.5 to 30 phr, with respect to fluoroelastomer (A).