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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
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.
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公开(公告)号：US10023704B2
公开(公告)日：2018-07-17
申请号：US15310626
申请日：2015-05-07
Applicant: ARKEMA FRANCE
Inventor： Quentin Pineau , Gilles Hochstetter , Marc Audenaert
Abstract: The use of an aqueous polymer dispersion including at least one amorphous polymer having a Tg varying between 55° C. and 175° C. or a semi-crystalline polymer having a melting point varying between 70° C. and less than 220° C., the weight concentration of the polymer in the dispersion varying between 5 and 50%, with the polymer particles having an average size of less than 10000 nm, as a binder for impregnating strands or strips of natural fibers, in particular flax fibers, with said polymer being incorporated in the core of the fiber bundle forming the strand or strip and thereby binding the fibers together.
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Patent Agency Ranking
公开(公告)号：US20150126646A1
公开(公告)日：2015-05-07
申请号：US14404718
申请日：2013-05-30
Applicant: ARKEMA FRANCE
Inventor： Gilles Hochstetter , Marc Audenaert , Thierry Briffaud
CPC classification number: C08J5/24 , B29B11/16 , B29B15/12 , B29C43/24 , B29C51/02 , B29C70/48 , B29C70/52 , B29K2077/00 , B29K2105/0872 , B29K2311/00 , C08J2301/02 , C08J2377/00 , C08J2477/06
Abstract: A method of producing a composite material, comprising an assembly of natural fibres, impregnated with an amorphous or semi-crystalline thermoplastic polymer, said method including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, having a molecular chain P having, at the ends of same, n reactive functions X, with n ranging from 1 to 3, in particular n being 1 or 2, and preferably 2 b) at least one chain extender Y-A-Y including reactive functions Y with at least one of said functions X ii) a step of polymerisation by mass (poly)addition, in the molten state, of said prepolymer with said chain extender with: said thermoplastic polymer being the result of said polymerisation by mass polyaddition and said impregnation i) and polymerisation ii) taking place at a temperature lower than 250° C.
Abstract translation: 一种生产复合材料的方法，包括用无定形或半结晶热塑性聚合物浸渍的天然纤维的组合物，所述方法包括：i）用熔融状态的前体组合物浸渍所述组合物的步骤，包括： ）所述热塑性聚合物的至少一种预聚物P（X）n，其分子链P在相同末端具有n个反应性官能团X，n为1至3，特别是n为1或2，以及 优选为b）至少一种扩链剂YAY，其包括具有至少一种所述官能团X的反应性官能团Y ii）在所述预聚物与所述扩链剂的质量（多）加成中聚合的步骤为：所述 热塑性聚合物是所述通过质量加聚和所述浸渍进行聚合的结果，i）和聚合ii）在低于250℃的温度下进行。
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4.发明申请公开(公告)号：US20180304578A1
公开(公告)日：2018-10-25
申请号：US15768045
申请日：2016-10-13
Applicant: Arkema France
Inventor： Marc Audenaert , Denis Huze
CPC classification number: B32B5/26 , B32B5/022 , B32B5/024 , B32B5/026 , B32B27/34 , B32B2262/02 , B32B2262/101 , B32B2262/106 , B32B2262/14 , B32B2264/0264 , B32B2307/202 , B32B2307/212 , B32B2419/00 , B32B2605/08 , B32B2605/18 , C08J5/042 , C08J5/24 , C08J2377/00 , C08K2003/0806 , C23C16/06 , H01B1/22 , C08K3/08 , C08L77/02
Abstract: The present invention relates to a method for producing a conductive composite material, as well as the composite material capable of being obtained by said method. The conductive material is obtained from a composite polymer matrix, which is formed by aggregation of composite conductive particles consisting of particles of a polymer matrix, having a diamter d50 of between 1 and 4000 μm, coated with a layer of electrically conductive material consisting of at least one metal. The ratio of the thickness of the conductive layer to the diameter d50 of the polymer matrix particles is between 0.0025:100 and 1.5:100, said thickness being less than 300 nm.
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公开(公告)号：US09139707B2
公开(公告)日：2015-09-22
申请号：US14404718
申请日：2013-05-30
Applicant: ARKEMA FRANCE
Inventor： Gilles Hochstetter , Marc Audenaert , Thierry Briffaud
IPC: B29B15/12 , C08J5/24 , B29C43/24 , B29C51/02 , B29C70/48 , B29C70/52 , B29B11/16 , B29K77/00 , B29K105/08 , B29K311/00
CPC classification number: C08J5/24 , B29B11/16 , B29B15/12 , B29C43/24 , B29C51/02 , B29C70/48 , B29C70/52 , B29K2077/00 , B29K2105/0872 , B29K2311/00 , C08J2301/02 , C08J2377/00 , C08J2477/06
Abstract: A method of producing a composite material, comprising an assembly of natural fibers, impregnated with an amorphous or semi-crystalline thermoplastic polymer, said method including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, having a molecular chain P having, at the ends of same, n reactive functions X, with n ranging from 1 to 3, in particular n being 1 or 2, and preferably 2 b) at least one chain extender Y-A-Y including reactive functions Y with at least one of said functions X ii) a step of polymerization by mass (poly)addition, in the molten state, of said prepolymer with said chain extender with: said thermoplastic polymer being the result of said polymerization by mass polyaddition and said impregnation i) and polymerization ii) taking place at a temperature lower than 250° C.
Abstract translation: 一种生产复合材料的方法，包括用无定形或半结晶热塑性聚合物浸渍的天然纤维的组合物，所述方法包括：i）用熔融状态的前体组合物浸渍所述组合物的步骤，包括： ）所述热塑性聚合物的至少一种预聚物P（X）n，其分子链P在相同末端具有n个反应性官能团X，n为1至3，特别是n为1或2，以及 优选为b）至少一种包含具有至少一种所述功能的反应性官能团Y的扩链剂YII ii）在所述预聚物与所述扩链剂的质量（聚）加成反应中聚合的步骤为：所述 热塑性聚合物是通过质量加聚所述聚合的结果，所述浸渍i）和聚合ii）在低于250℃的温度下进行。
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6.发明授权公开(公告)号：US11059263B2
公开(公告)日：2021-07-13
申请号：US15768045
申请日：2016-10-13
Applicant: Arkema France
Inventor： Marc Audenaert , Denis Huze
IPC: B32B5/26 , H01B1/22 , B32B27/34 , C08J5/04 , B64D45/02 , C08J5/24 , B32B5/02 , C08K3/08 , C23C16/06
Abstract: The present invention relates to a method for producing a conductive composite material, as well as the composite material capable of being obtained by said method. The conductive material is obtained from a composite polymer matrix, which is formed by aggregation of composite conductive particles consisting of particles of a polymer matrix, having a diamter d50 of between 1 and 4000 μm, coated with a layer of electrically conductive material consisting of at least one metal. The ratio of the thickness of the conductive layer to the diameter d50 of the polymer matrix particles is between 0.0025:100 and 1.5:100, said thickness being less than 300 nm.
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公开(公告)号：US10287410B2
公开(公告)日：2019-05-14
申请号：US15310463
申请日：2015-05-07
Applicant: ARKEMA FRANCE , DEHONDT TECHNOLOGIES
Inventor： Quentin Pineau , Gilles Hochstetter , Marc Audenaert , Guy Dehondt , Edouard Philippe
IPC: C08J5/24 , B29B15/12 , D06M15/227 , D06M15/263 , D06M15/277 , D06M15/507 , D06M15/564 , D06M15/59 , C08J5/04 , B29B13/06 , B29K77/00
Abstract: A method for impregnating strands or strips of natural fibers, using the following successive steps: i) the impregnation of the strands or strips by immersion in a bath containing a fine aqueous polymer dispersion; followed by ii) the drying of the strands or strips using a heating system, with the progressive elimination of the water and the gradual melting of the polymer, and the coating of the strands or strips and the molten polymer incorporated into the core of the strands or strips as a binder between the fibers; iii) optionally, the forming of the treated strands or strips into their final shape; and iv) the cooling of the treated strands or strips. The aqueous polymer dispersion comprises at least one semi-crystalline or amorphous polymer and, in the case of an amorphous polymer, has a Tg varying between 50° C. and 175° C.
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