公开(公告)号：US20240213483A1

公开(公告)日：2024-06-27

申请号：US18285869

申请日：2022-04-26

Applicant: Arkema Inc.

Inventor： Wensheng HE ,  Jiaxin J. GE

IPC: H01M4/62 ,  C09D5/24 ,  C09D7/61 ,  C09D127/16 ,  H01M10/0525

CPC classification number: H01M4/623 ,  C09D5/24 ,  C09D7/61 ,  C09D127/16 ,  H01M4/625 ,  H01M10/0525

Abstract: The invention relates to polymer blends comprised of a fluoropolymer and functional acrylic copolymer. The fluoropolymer is majority in the blend, accounting for 80 wt % or higher. The fluoropolymer can be polyvinylidene fluoride (PVDF) and its copolymers. VDF copolymer can contain fluorinated comonomers such as hexafluoropropylene (HFP), tetrafluoroethylene (TFE) etc, or functionalized monomers such as vinyl carboxy lic acid, phosphoric, sulfonic acid and their salts. The functional acrylic copolymers are poly (methyl) methacrylate copolymers with functional containing monomers.

公开(公告)号：US20220311098A1

公开(公告)日：2022-09-29

申请号：US17618918

申请日：2020-06-24

Applicant: Arkema Inc.

Inventor： Yujie LIU ,  Jiaxin J. GE

IPC: H01M50/46 ,  H01M50/446 ,  H01M10/0525 ,  H01M50/403 ,  C09J127/22 ,  C09J11/04 ,  C09J133/08 ,  C09J127/16 ,  C09J127/20 ,  C08K3/34 ,  C08K3/22 ,  H01M50/417

Abstract: A coated separator for a lithium ion battery contains the porous separator substrate, and coatings on at least one side of the separator. The organic coating contains a silane functionalized fluoropolymer-acrylic composition or a mixture of silane functionalized fluoropolymer and non-silane functionalized fluoropolymer. The present invention can improve the adhesion of the coated separator to electrodes and offer good swelling properties in electrolyte.

公开(公告)号：US20220259357A1

公开(公告)日：2022-08-18

申请号：US17618917

申请日：2020-06-24

Applicant: Arkema Inc.

Inventor： Yujie LIU ,  Jiaxin J. GE

IPC: C08F259/08

Abstract: A silane functionalized fluoropolymer-acrylic composition is disclosed.