公开(公告)号：US10414846B2

公开(公告)日：2019-09-17

申请号：US15538464

申请日：2015-12-22

Applicant: Arkema France

Inventor： Pierre Gerard ,  Sébastien Taillemite ,  Daniel Callin

IPC: C08F265/06 ,  C08F220/14 ,  C08K5/098 ,  C08K5/14 ,  C08K5/18 ,  C08K5/47 ,  C08L51/00

Abstract: The invention relates to a viscous liquid (meth)acrylic syrup comprising: a) a (meth)acrylic polymer, b) a (meth)acrylic monomer, c) an initiator to start the polymerization of the (meth)acrylic monomer, said initiator being in the form of a peroxide compound that is liquid in a temperature range of between 0° and 50° C., said syrup being characterized in that the initiator is combined with an accelerating system comprising: d) a reducing compound, e) a metal salt or a mixture of metal salts not comprising any cobalt and f) a tertiary amine.

公开(公告)号：US10688735B2

公开(公告)日：2020-06-23

申请号：US15532755

申请日：2015-12-03

Applicant: Arkema France ,  INSTITUT DE SOUDURE

Inventor： Jean-Pierre Cauchois ,  Gilles Francois ,  Pierre Gerard ,  Henri Perrin ,  Sébastien Taillemite

IPC: B29C70/46 ,  B29C70/48 ,  B29C33/10 ,  B29C43/36

Abstract: The invention relates to a molding device (1) and a method for the manufacture of structured or semistructured composite components comprising a polymer resin (50) and a fibrous substrate (51). According to the invention, the device comprises a mold (2) comprising a bottom and a lateral surface, a part (10) that is movable along the lateral surface of the mold, comprising a compression surface (14) forming a cavity (7) with the bottom and the lateral surface (5) of said mold (2), characterized in that the movable part (10) comprises a vacuum-drawing channel (13, 23) opening into a chamber (25, 42) located above the cavity and communicating with said cavity (7).

公开(公告)号：US11186723B2

公开(公告)日：2021-11-30

申请号：US15538927

申请日：2015-12-22

Applicant: Arkema France

Inventor： Pierre Gerard ,  Sébastien Taillemite ,  Daniel Callin

IPC: C09D4/06 ,  C08L33/06 ,  C09D133/06 ,  C08F265/06 ,  C08F220/14 ,  C08J5/24 ,  B29C70/48 ,  C08F120/14

Abstract: The invention relates to a viscous liquid (meth)acrylic syrup comprising: a) a (meth)acrylic polymer, b) a (meth)acrylic monomer, c) an initiator to start the polymerization of the (meth)acrylic monomer, said initiator being in the form of a peroxide compound that is liquid in a temperature range of between 0° and 50° C., said syrup being characterized in that the initiator is combined with an accelerating system comprising: d) a vanadium salt and e) a tertiary amine.

公开(公告)号：US11225607B2

公开(公告)日：2022-01-18

申请号：US15556051

申请日：2016-03-10

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Marc Audenaert ,  Sébastien Taillemite

IPC: C09K21/14 ,  C08L27/12 ,  C08K3/40 ,  C08K3/36 ,  C08K3/38 ,  C08K5/00 ,  C08K3/04 ,  C08K3/016

Abstract: The present invention relates to the field of thermoplastic composite materials. Specifically, the invention relates to a fluorinated, flame-retardant thermoplastic composition, to the prepreg prepared from said composition, to the composite material containing said prepreg, to the methods enabling manufacture, and to the uses of said material. The invention also relates to the use of a thermoplastic prepreg for manufacturing fire-resistant composite materials.

公开(公告)号：US11040501B2

公开(公告)日：2021-06-22

申请号：US15532730

申请日：2015-12-03

Applicant: Arkema France ,  INSTITUT DE SOUDURE

Inventor： Jean-Pierre Cauchois ,  Pierre Gerard ,  Gilles Francois ,  Sébastien Taillemite ,  Henri Perrin

IPC: B29C70/48 ,  B29C70/46 ,  B29C43/36 ,  B29C33/10 ,  B29C33/00 ,  B29K101/10 ,  B29K105/08

Abstract: The invention relates to a molding device (1) and a method for the manufacture of structured or semistructured composite components comprising a polymer resin (50) and a fibrous substrate (51). According to the invention, the device comprises a mold (2) comprising a bottom and a lateral surface, a part (10) that is movable along the lateral surface of the mold, comprising a compression surface (14) forming a cavity (7) with the bottom and the lateral surface (5) of said mold (2), characterized in that the movable part (10) comprises a vacuum-drawing channel (13, 23) opening into a chamber (25, 42) located above the cavity and communicating with said cavity (7).