公开(公告)号：US12065525B2

公开(公告)日：2024-08-20

申请号：US17291468

申请日：2019-11-08

Applicant: Arkema France

Inventor： Anne-Laure Brocas ,  Sylvain Bourrigaud ,  Sylvie Cazaumayou

IPC: C08F212/08 ,  C08F2/38 ,  C08F220/06 ,  C08F220/18 ,  C08K5/32

CPC classification number: C08F212/08 ,  C08F2/38 ,  C08F220/06 ,  C08F220/18 ,  C08F220/1804 ,  C08K5/32 ,  C08F2438/01 ,  C08F2438/02 ,  C08F2438/03

Abstract: The present invention relates to the field of water-soluble or water-dispersible copolymers comprising at least one random copolymer comprising styrene, methacrylic acid, acrylic acid and butyl acrylate.

公开(公告)号：US11453735B2

公开(公告)日：2022-09-27

申请号：US16766926

申请日：2018-11-23

Applicant: Arkema France

Inventor： Anne-Laure Brocas ,  Sylvie Cazaumayou ,  Sylvain Bourrigaud ,  Guillaume Decrevoisier

IPC: C08F220/06 ,  C08F212/08 ,  B33Y70/00 ,  C08F212/14

Abstract: The present invention relates to the field of copolymers which are water-soluble or water-dispersible at neutral pH or near-neutral pH, that is to say between 5.5 and 9.5, comprising at least one random copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrenesulfonic acid or salts thereof, vinylbenzoic acid or salts thereof, 2-acrylamido-2-methanesulfonic acid or salts thereof, N-vinylpyrrolidone, alone or in combination.

公开(公告)号：US10577447B2

公开(公告)日：2020-03-03

申请号：US16653140

申请日：2019-10-15

Applicant: Arkema France

Inventor： Raber Inoubli ,  Sylvain Bourrigaud

IPC: C08F293/00 ,  B33Y10/00 ,  B29C64/00 ,  B33Y70/00 ,  B29C64/153 ,  B29C64/40

Abstract: The invention relates to a novel type of sacrificial polymer or support material for 3D printing, comprising a block copolymer consisting of: at least one partially or totally hydrophilic elastomeric block, with a Tg of less than 30° C. and comprising at least one hydrophilic monomer, and at least one water-soluble thermoplastic block with a Tg of greater than 30° C. and comprising at least one monomer bearing a carboxyl group, said copolymer being extrudable and granulable, said copolymer being partially or totally soluble in water or in aqueous medium, and the mass proportion of the thermoplastic block being greater than 50% of the weight of said copolymer.

公开(公告)号：US20200040120A1

公开(公告)日：2020-02-06

申请号：US16653140

申请日：2019-10-15

Applicant: Arkema France

Inventor： Raber Inoubli ,  Sylvain Bourrigaud

IPC: C08F293/00 ,  B33Y70/00 ,  B29C64/40 ,  B33Y10/00 ,  B29C64/153

Abstract: The invention relates to a novel type of sacrificial polymer or support material for 3D printing, comprising a block copolymer consisting of:at least one partially or totally hydrophilic elastomeric block, with a Tg of less than 30° C. and comprising at least one hydrophilic monomer, andat least one water-soluble thermoplastic block with a Tg of greater than 30° C. and comprising at least one monomer bearing a carboxyl group, said copolymer being extrudable and granulable, said copolymer being partially or totally soluble in water or in aqueous medium, and the mass proportion of the thermoplastic block being greater than 50% of the weight of said copolymer.

公开(公告)号：US10131735B2

公开(公告)日：2018-11-20

申请号：US15536453

申请日：2015-12-18

Applicant: ARKEMA FRANCE

Inventor： Sylvain Bourrigaud ,  Sylvie Cazaumayou ,  Pierre Escale ,  Raber Inoubli

IPC: C08F293/00 ,  C08F4/34 ,  C09D153/00 ,  C09J153/00 ,  C08F220/10

Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as −50° C., in the presence of a photoinitiator.

公开(公告)号：US20210395414A1

公开(公告)日：2021-12-23

申请号：US17291468

申请日：2019-11-08

Applicant: Arkema France

Inventor： Anne-Laure Brocas ,  Sylvain Bourrigaud ,  Sylvie Cazaumayou

IPC: C08F212/08 ,  C08F220/06 ,  C08F220/18 ,  C08F2/38 ,  C08K5/32

Abstract: The present invention relates to the field of water-soluble or water-dispersible copolymers comprising at least one random copolymer comprising styrene, methacrylic acid, acrylic acid and butyl acrylate.

公开(公告)号：US20200369808A1

公开(公告)日：2020-11-26

申请号：US16766926

申请日：2018-11-23

Applicant: Arkema France

Inventor： Anne-Laure Brocas ,  Sylvie Cazaumayou ,  Sylvain Bourrigaud ,  Guillaume Decrevoisier

IPC: C08F220/06

Abstract: The present invention relates to the field of copolymers which are water-soluble or water-dispersible at neutral pH or near-neutral pH, that is to say between 5.5 and 9.5, comprising at least one random copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrenesulfonic acid or salts thereof, vinylbenzoic acid or salts thereof, 2-acrylamido-2-methanesulfonic acid or salts thereof, N-vinylpyrrolidone, alone or in combination.

公开(公告)号：US10563000B2

公开(公告)日：2020-02-18

申请号：US16159773

申请日：2018-10-15

Applicant: Arkema France

Inventor： Sylvain Bourrigaud ,  Sylvie Cazaumayou ,  Pierre Escale ,  Raber Inoubli

IPC: C08F220/10 ,  C09J153/00 ,  C08F4/34 ,  C09D153/00 ,  C08F293/00

Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as −50° C., in the presence of a nitroxide reducing agent or photoinitiator.

公开(公告)号：US11427755B2

公开(公告)日：2022-08-30

申请号：US16614471

申请日：2017-05-18

Applicant: Eni S.P.A. ,  Arkema France

Inventor： Roberto Fusco ,  Antonio Alfonso Proto ,  Giuliana Schimperna ,  Jean Marc Boutillier ,  Sylvain Bourrigaud ,  Sylvain Tombolato ,  Véronique Carrere

IPC: C09K11/02 ,  C08L33/12 ,  C08L53/00 ,  C09K11/06 ,  H01L31/055

Abstract: The present invention relates to a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye. In particular the present invention relates to a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye, its process of preparation and use. The present invention concerns also objects or articles comprising a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye. The present invention concerns as well a photovoltaic module comprising a polymeric composition comprising a polymeric elastomeric phase and a fluorescent dye.

公开(公告)号：US20190048118A1

公开(公告)日：2019-02-14

申请号：US16159773

申请日：2018-10-15

Applicant: Arkema France

Inventor： Sylvain Bourrigaud ,  Sylvie Cazaumayou ,  Pierre Escale ,  Raber Inoubli

IPC: C08F293/00 ,  C08F220/10 ,  C09J153/00 ,  C08F4/34 ,  C09D153/00

Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as −50° C., in the presence of a nitroxide reducing agent or photoinitiator.