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：US10815370B2

公开(公告)日：2020-10-27

申请号：US16068993

申请日：2017-01-11

Applicant: Arkema France

Inventor： Raber Inoubli ,  Philippe Hajji ,  Rosangela Pirri ,  Pierre Gerard

IPC: C08L33/12 ,  C08F265/08 ,  C08F220/14 ,  C08L51/00 ,  C08J5/24

Abstract: The present invention relates to a liquid (meth) acrylic composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer. In particular the present invention it relates to liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation. More particularly the present invention relates also to a process for preparing a liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer.

公开(公告)号：US10815344B2

公开(公告)日：2020-10-27

申请号：US16311712

申请日：2017-06-23

Applicant: Arkema France

Inventor： Pierre Escale ,  Raber Inoubli ,  Pierre Gerard ,  Philippe Hajji

IPC: C08J5/04 ,  B29B15/10 ,  C08L33/12 ,  C08L51/00 ,  C08K7/02 ,  C08L47/00

Abstract: The present invention relates to a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer. The composition can be in form of a prepreg, a preform or a laminate. The present invention further relates to a method for making a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use in making composite articles. The present invention also relates to a process for preparing a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use for producing fibre reinforced impact modified composites.

公开(公告)号：US10723873B2

公开(公告)日：2020-07-28

申请号：US16382328

申请日：2019-04-12

Applicant: Arkema France

Inventor： Raber Inoubli ,  Philippe Hajji

IPC: C08L63/00 ,  C08L51/04 ,  C08F265/06 ,  C08F285/00

Abstract: The present invention relates to a multistage polymer in form of polymeric particles, its composition and its process of preparation. In particular the present invention it relates to a multistage polymer in form of polymeric particles made by a multistage process while the last stage comprises a polymer with a low molecular weight. More particularly the present invention relates to polymer composition in form of polymeric particles made by a multistage process comprising at least three stages while the last stage comprises a polymer with a low molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.

公开(公告)号：US20200063005A1

公开(公告)日：2020-02-27

申请号：US16654463

申请日：2019-10-16

Applicant: Arkema France

Inventor： Raber Inoubli ,  Christian Bret ,  Olivier Fradin ,  Nicolas Valloir ,  Mathieu Roux ,  Emilie Vaique

IPC: C09J153/00 ,  C09J4/06

Abstract: The present invention relates to a photopolymerizable adhesive composition containing a (meth)acrylic matrix, a (meth)acrylic block copolymer or a blend of (meth)acrylic block copolymers, and one or more photoinitiator(s).

公开(公告)号：US20200057368A1

公开(公告)日：2020-02-20

申请号：US16656103

申请日：2019-10-17

Applicant: Arkema France

Inventor： Xavier Chevalier ,  Raber Inoubli ,  Christophe Navarro ,  Celia Nicolet

IPC: G03F7/00 ,  G03F7/16 ,  G03F1/68 ,  C09D153/00 ,  B05D3/02 ,  B05D1/00 ,  C08L53/00

Abstract: Provided is a process for controlling the critical dimension uniformity of ordered films of block copolymers on a nanometric scale. The invention also relates to the compositions used for controlling the critical dimension uniformity of ordered films of block copolymers and to the resulting ordered films that can be used in particular as masks in the lithography field.

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.

公开(公告)号：US10131734B2

公开(公告)日：2018-11-20

申请号：US15536449

申请日：2015-12-18

Applicant: ARKEMA FRANCE

Inventor： Sylvain Bourrigaud ,  Sylvie Cazaumayou ,  Raber Inoubli

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

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.

公开(公告)号：US20180015645A1

公开(公告)日：2018-01-18

申请号：US15545134

申请日：2016-01-21

Applicant: Arkema France

Inventor： Xavier Chevalier ,  Raber Inoubli ,  Christophe Navarro ,  Celia Nicolet

IPC: B29C41/00 ,  G03F1/50 ,  B29C41/46 ,  G03F7/00 ,  C08J5/18 ,  B29L11/00 ,  B29K105/00

CPC classification number: B29C41/003 ,  B29C41/46 ,  B29K2105/0085 ,  B29L2011/00 ,  C08J5/18 ,  C08J2353/00 ,  C08J2453/00 ,  G03F1/50 ,  G03F7/0002

Abstract: The present invention relates to a process for reducing the assembly time comprising a block copolymer (BCP). The invention also relates to the compositions used to obtain these ordered films and to the resulting ordered films that can be used in particular as masks in the lithography field.

公开(公告)号：US11384236B2

公开(公告)日：2022-07-12

申请号：US17078144

申请日：2020-10-23

Applicant: Arkema France

Inventor： Raber Inoubli ,  Philippe Hajji ,  Rosangela Pirri ,  Pierre Gerard

IPC: C08L33/12 ,  C08F265/08 ,  C08F220/14 ,  C08L51/00 ,  C08J5/24

Abstract: The present invention relates to a liquid (meth)acrylic composition comprising a (meth)acrylic monomer, a (meth)acrylic polymer and a multistage polymer.
In particular the present invention it relates to liquid composition comprising a (meth)acrylic monomer, a (meth)acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation.