中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

29 records (took 0.016 seconds)

    Thermoplastic composite material made of a semi-crystalline polyamide and method for manufacturing same
    2.
    发明授权
    Thermoplastic composite material made of a semi-crystalline polyamide and method for manufacturing same 有权

    公开(公告)号：US10377898B2

    公开(公告)日：2019-08-13

    申请号：US15667211

    申请日：2017-08-02

    Applicant: ARKEMA FRANCE

    Inventor： Thierry Briffaud ,  Gilles Hochstetter

    IPC: C08L77/06 ,  C08L77/04 ,  C08K7/04 ,  C08J5/04 ,  C08J5/24 ,  C08G69/26 ,  B29C70/02 ,  C08K3/40

    Abstract: A composition for a thermoplastic composite material having a thermoplastic matrix made of a semi-crystalline polyamide having a specific composition that includes at least two amide units, A, 55-95 mol %, and B, 5-45 mol %. A corresponds to x.T, wherein x is a C9-C18 linear aliphatic diamine and B corresponds to x′.T, wherein x′ can be B1): a specific branched x-dependent aliphatic diamine, B2): MXD or B3): a linear x-dependent aliphatic diamine, said polyamide having a glass transition temperature Tg of at least 90° C. and a melting point no higher than 280° C. Also, a method for manufacturing the composite material, the semi-crystalline polyamide polymer, the use of the composition and of the polymer for parts made of composite material, as well as the material and the resulting composite part.

    Fibrous material impregnated with thermoplastic polymer of optimum molecular mass and viscosity and method for the production thereof
    3.
    发明授权
    Fibrous material impregnated with thermoplastic polymer of optimum molecular mass and viscosity and method for the production thereof 有权

    公开(公告)号：US12173129B2

    公开(公告)日：2024-12-24

    申请号：US17416098

    申请日：2019-12-17

    Applicant: Arkema France

    Inventor： Gilles Hochstetter ,  Lise Deves ,  Mathieu Capelot ,  Thierry Briffaud ,  Yves Deyrail

    IPC: C08J5/04

    Abstract: The present invention concerns an impregnated fibrous material comprising at least one continuous-fiber fibrous material in the form of a roving or a plurality of parallel rovings and at least one thermoplastic polymer matrix, characterized in that said at least one thermoplastic polymer is an amorphous or semi-crystalline polymer having a glass transition temperature such that Tg≥40° C., especially Tg≥100° C., in particular ≥120° C., the fiber content of said impregnated fibrous material being from 45 to 65% by volume, preferably from 50 to 60% by volume, especially from 54 to 60% by volume, the number-average molecular mass Mn of said thermoplastic polymer being from 11,000 to 25,000 g/mol, the melt viscosity of said thermoplastic polymer being from 80 to 1500 Pa·s, as measured by plane-plane rheology at 1 Hz and 2% deformation, at a temperature of Tg+220° C.

    METHOD FOR A COMPOSITE MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER, OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER
    6.
    发明申请
    METHOD FOR A COMPOSITE MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER, OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER 审中-公开
    用热塑性聚合物浸渍的复合材料的方法，由预聚物和链延长剂

    公开(公告)号：US20170037208A1

    公开(公告)日：2017-02-09

    申请号：US15304657

    申请日：2015-04-15

    Applicant: Arkema France

    Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

    IPC: C08J5/24 ,  C08J5/10 ,  B29C45/00 ,  C08G69/26 ,  C08G69/44 ,  C08J5/04 ,  C08G69/32

    CPC classification number: C08J5/24 ,  B29C45/0005 ,  B29K2077/00 ,  B29L2031/00 ,  C08G69/265 ,  C08G69/32 ,  C08G69/44 ,  C08G69/48 ,  C08J5/04 ,  C08J5/10 ,  C08J2377/06 ,  C08J2377/10 ,  C08J2377/12 ,  C08K5/353 ,  C08L77/06

    Abstract: A process for a composite material, including an assembly of one or more reinforcing fibers, impregnated with at least one thermoplastic polymer with a glass transition temperature Tg of less than or equal to 75° C. and a melting point of from 150° C. to less than 250° C. or a Tg of greater than 75° C., the process including: i) a step of impregnating said assembly in bulk melt form with at least one thermoplastic polymer, which is the product of polymerization by polyaddition reaction of a reactive precursor composition including: a) at least one prepolymer P(X)n of said thermoplastic polymer, and b) at least one chain extender, represented by Y-A-Y, ii) a step of cooling and obtaining a fibrous preimpregnate, and iii) a step of processing and final forming of said composite material.

    Abstract translation: 一种复合材料的方法，包括一种或多种增强纤维的组合物，其浸渍有玻璃化转变温度Tg小于或等于75℃并且熔点为150℃的至少一种热塑性聚合物。 至小于250℃或Tg大于75℃，该方法包括：i）将至少一种热塑性聚合物以大体积熔体形式浸渍的步骤，该热塑性聚合物是通过加聚反应进行聚合的产物 的反应性前体组合物，其包含：a）所述热塑性聚合物的至少一种预聚物P（X）n，和b）由YAY表示的至少一种扩链剂，ii）冷却和获得纤维状预浸渍物的步骤，iii ）所述复合材料的加工和最终成型的步骤。

    COMPOSITION AND METHOD FOR COMPOSITE MATERIAL IMPREGNATED WITH SEMI-CRYSTALLINE POLYAMIDE, OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER
    7.
    发明申请
    COMPOSITION AND METHOD FOR COMPOSITE MATERIAL IMPREGNATED WITH SEMI-CRYSTALLINE POLYAMIDE, OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER 审中-公开
    来自预聚物和链延长剂的半结晶聚酰胺包覆的复合材料的组合物和方法

    公开(公告)号：US20170037199A1

    公开(公告)日：2017-02-09

    申请号：US15304676

    申请日：2015-04-15

    Applicant: Arkema France

    Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

    IPC: C08J5/04 ,  B29C70/52 ,  C08G69/48 ,  B29C70/48 ,  C08G69/26 ,  C08G69/28

    CPC classification number: C08J5/04 ,  B29C70/48 ,  B29C70/52 ,  B29K2077/00 ,  B29K2105/06 ,  C08G69/265 ,  C08G69/28 ,  C08G69/48 ,  C08G2120/00 ,  C08J2377/06 ,  C08J2377/12 ,  C08L77/06 ,  C08L77/12

    Abstract: A molding composition including at least one semi-crystalline polyamide derived from the polyaddition of a) at least one polyamide prepolymer bearing n identical functions X chosen from carboxyl, amine and hydroxyl, and of b) at least one non-polymeric reactive extender bearing two identical functions Y that are reactive with said functions X with n ranging from 1 to 3, the polyamide and prepolymer a) including 55 mol % to 95 mol % of amide units A, 5 mol %-45 mol % of amide units B with A corresponding to x.T in which x is a linear aliphatic C9-C18 diamine and B corresponding to x′.T in which x′ may be B1): specific branched aliphatic diamine dependent on x or B2): MXD or B3): linear aliphatic diamine which depends on x, the polyamide having a Tg of at least 90° C. and a Tm of less than or equal to 280° C.

    Abstract translation: 一种模塑组合物，其包含至少一种衍生自a）至少一种聚酰胺预聚物的半结晶聚酰胺，所述聚酰胺预聚物具有n个相同的功能，X选自羧基，胺和羟基，b）至少一种非聚合反应性增量剂， 与n为1至3的所述功能X反应的相同功能Y，聚酰胺和预聚物a）包括55mol％至95mol％的酰胺单元A，5mol％-45mol％的具有A的酰胺单元B 对应于xT，其中x是直链脂肪族C9-C18二胺，B对应于X'，其中x'可以是B1）：取决于x或B2的特定支链脂族二胺）：MXD或B3）：线性脂族二胺 其取决于x，聚酰胺的Tg为至少90℃，Tm为小于或等于280℃。

    THERMOPLASTIC COMPOSITE MATERIAL MADE OF A SEMI-CRYSTALLINE POLYAMIDE AND METHOD FOR MANUFACTURING SAME
    8.
    发明申请
    THERMOPLASTIC COMPOSITE MATERIAL MADE OF A SEMI-CRYSTALLINE POLYAMIDE AND METHOD FOR MANUFACTURING SAME 有权
    半结晶聚酰胺的热塑性复合材料及其制造方法

    公开(公告)号：US20150267050A1

    公开(公告)日：2015-09-24

    申请号：US14438062

    申请日：2013-10-21

    Applicant: ARKEMA FRANCE

    Inventor： Thierry Briffaud ,  Gilles Hochstetter

    IPC: C08L77/06 ,  B29C70/02

    CPC classification number: C08L77/06 ,  B29C70/021 ,  C08G69/265 ,  C08J5/04 ,  C08J5/24 ,  C08J2377/06 ,  C08K7/04 ,  C08L2205/025

    Abstract: A composition for a thermoplastic composite material having a thermoplastic matrix made of a semi-crystalline polyamide having a specific composition that includes at least two amide units, A, 55-95 mol %, and B, 5-45 mol %. A corresponds to x.T, wherein x is a C9-C18 linear aliphatic diamine and B corresponds to x′.T, wherein x′ can be B1): a specific branched x-dependent aliphatic diamine, B2): MXD or B3): a linear x-dependent aliphatic diamine, said polyamide having a glass transition temperature Tg of at least 90° C. and a melting point no higher than 280° C. Also, a method for manufacturing said composite material, the semi-crystalline polyamide polymer, the use of the composition and of the polymer for parts made of composite material, as well as the material and the resulting composite part.

    Abstract translation: 一种热塑性复合材料组合物，其具有由具有特定组成的半结晶聚酰胺制成的热塑性基质，该组合物包含至少两个酰胺单元，A为55-95摩尔％，B为5-45摩尔％。 A对应于xT，其中x是C9-C18直链脂族二胺，B对应于x'.T，其中x'可以是B1）：特定的支链x-依赖性脂族二胺，B2）：MXD或B3）：a 线性x-依赖性脂族二胺，所述聚酰胺的玻璃化转变温度Tg为至少90℃，熔点不高于280℃。另外，制备所述复合材料，半结晶聚酰胺聚合物， 组合物和聚合物用于由复合材料制成的部件以及材料和所得到的复合部件的使用。

Patent Agency Ranking